WO2018042437A1 - Sols-gels, leurs procédés de préparation et leur traitement - Google Patents

Sols-gels, leurs procédés de préparation et leur traitement Download PDF

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Publication number
WO2018042437A1
WO2018042437A1 PCT/IL2017/050976 IL2017050976W WO2018042437A1 WO 2018042437 A1 WO2018042437 A1 WO 2018042437A1 IL 2017050976 W IL2017050976 W IL 2017050976W WO 2018042437 A1 WO2018042437 A1 WO 2018042437A1
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Prior art keywords
another embodiment
halide
alkyl
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absent
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PCT/IL2017/050976
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English (en)
Inventor
Daniel Szwarcman
Mor Shmuel Armon
Elad Cohen
Evgenia Liel KUKS (Jeny)
Rony Schwarz
Eran Sella
Ziv SOBOL
Daniel Aronov
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StoreDot Ltd.
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Priority claimed from US15/252,492 external-priority patent/US9771480B2/en
Priority claimed from US15/252,597 external-priority patent/US10100197B2/en
Priority claimed from US15/353,015 external-priority patent/US9868859B2/en
Application filed by StoreDot Ltd. filed Critical StoreDot Ltd.
Publication of WO2018042437A1 publication Critical patent/WO2018042437A1/fr
Priority to US15/959,329 priority Critical patent/US20180246371A1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/04—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82—Xanthenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
    • C07D491/14—Ortho-condensed systems
    • C07D491/147—Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
    • C07D491/16—Peri-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
    • G03F7/0007—Filters, e.g. additive colour filters; Components for display devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/0046—Photosensitive materials with perfluoro compounds, e.g. for dry lithography
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/075—Silicon-containing compounds
    • G03F7/0755—Non-macromolecular compounds containing Si-O, Si-C or Si-N bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/105—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell

Definitions

  • the present invention relates to the field of color conversion in displays, and more particularly, to the control of illumination spectra for LCD displays.
  • One aspect of the present invention provides color conversion and/or assistant dyes used to enhance spectral regions transmitted through the color filters and possibly shape the illumination spectrum, to improve efficiency and performance.
  • Figure 1 is a high level schematic overview illustration of disclosed film production processes, film configurations and display configurations, according to some embodiments of the invention.
  • Figures 2A-2U are high level schematic illustrations of configurations of digital displays with color conversion film(s), according to some embodiments of the invention.
  • Figures 3A-3F schematically illustrates white point adjustment that extends a display lifetime, according to some embodiments of the invention.
  • Figure 4 is an illustration example of polarization anisotropy of film(s) with RBF (rhodamine-based fluorescent) compound(s), according to some embodiments of the invention.
  • FIG. 5A is a high level schematic illustration of red (R) enhancement in devices with white illumination, according to some embodiments of the invention.
  • Figure 5B illustrates an example for the improvement in an RGB spectrum provided by backlight unit using the film(s), according to some embodiments of the invention.
  • Figure 5C is a high level schematic illustration of green (G) and red (R) enhancement in devices with white illumination, according to some embodiments of the invention.
  • Figures 5D-5F are high level schematic illustrations of spectrum shaping using assistant dyes, according to some embodiments of the invention.
  • Figure 6A is a high level schematic illustration of precursors, formulations, films and displays, according to some embodiments of the invention.
  • Figure 6B illustrates schematically prior art methods according to Reisfeld 2006.
  • Figures 6C and 6D are photographs of a film on a substrate with and without pretreating of the substrate.
  • Figures 6E and 6F are photographs of a film with and without PDMS-hydroxyl.
  • Figure 6G is high resolution SEM image of a sol-gel film prepared with isocyanate- functionalized silica nanoparticles (IC-Si NP).
  • Figures 7A and 7B are examples for illustrations of characteristics of formulations and films, according to some embodiments of the invention.
  • Figure 7C illustrates the normalized intensity with and without an evaporation step.
  • Figures 8A-8E illustrate examples of emission results of films produced by sol-gel processes, according to some embodiments of the invention.
  • Figure 8F illustrates the peak shifts according to the molar ratio of PhTMOS:FiTMOS.
  • FIG. 9 schematically illustrates some embodiments of PMMA (poly-methyl- methacrylate) cross-linked dyes, according to some embodiments of the invention.
  • Figures 10A-10D, 11A-B, 12A-C, and 13A-D illustrate examples of emission results of films produced by UV curing processes, according to some embodiments of the invention.
  • Figures 14A-14I illustrate schematically examples for illumination and absorption spectra, according to some embodiments of the invention.
  • Figure 14J is a high level flowchart illustrating methods, according to some embodiments of the invention.
  • Figures 15A-15B depict absorption and emission spectra of a mixture of compounds
  • Figure 15A absorption at 579 nm.
  • Figure 15B emission at 605 nm.
  • Figures 16A-16B depict absorption and emission spectra of compound 2 in ethanol.
  • Figure 16A absorption at 581 nm.
  • Figure 16B emission at 608 nm.
  • Figures 17A-17B depict absorption and emission spectra of compound 4 in ethanol.
  • Figure 17A absorption at 564 nm.
  • Figure 17B emission at 587 nm.
  • Figures 18A-18B depict absorption and emission spectra of a mixture of compounds
  • Figure 18A absorption at 583 nm.
  • Figure 18B emission at 608 nm.
  • Figures 19A-19B depict absorption and emission spectra of a mixture of compounds
  • Figure 19A absorption at 583 nm.
  • Figure 19B emission at 608 nm.
  • Figures 20A-20B depict absorption and emission spectra of compound 9A in ethanol.
  • Figure 20A absorption at 590 nm.
  • Figure 20B emission at 613 nm.
  • Figures 21A-21B depict absorption and emission spectra of compound 9 in ethanol.
  • Figure 21A absorption at 600 nm.
  • Figure 21B emission at 622 nm.
  • Figures 22A-22B depict absorption and emission spectra of compound 10 in ethanol.
  • Figure 22A absorption at 604 nm.
  • Figure 22B emission at 621 nm.
  • Figures 23A-23B depict absorption and emission spectra of compound 11a in ethanol.
  • Figure 23A absorption at 594 nm.
  • Figure 23B emission at 609 nm.
  • Figures 24A-24B depict absorption and emission spectra of compound 11 in ethanol.
  • Figure 24A absorption at 606 nm.
  • Figure 24B emission at 623 nm.
  • Figures 25A-25B depict absorption and emission spectra of compound 12 in ethanol.
  • Figure 25A absorption at 506 nm.
  • Figure 25B emission at 527 nm.
  • Figures 26A-26B depict absorption and emission spectra of compound 13 in ethanol.
  • Figure 26A absorption at 505 nm.
  • Figure 26B emission at 525 nm.
  • Figures 27A-27B depict absorption and emission spectra of compound 14 in ethanol.
  • Figure 27A absorption at 507 nm.
  • Figure 27B emission at 525 nm.
  • Figures 28A-28B depict absorption and emission spectra of compound 15 in ethanol.
  • Figure 28A absorption at 512 nm.
  • Figure 28B emission at 538 nm.
  • Figures 29A-29B depict absorption and emission spectra of compound 16 in ethanol.
  • Figure 29A absorption at 514 nm.
  • Figure 29B emission at 533 nm.
  • Figures 30A-30B depict absorption and emission spectra of compound 17 in ethanol.
  • Figure 30A absorption at 503 nm.
  • Figure 30B emission at 525 nm.
  • Figures 31A-31B depict absorption and emission spectra of compound 18 in ethanol.
  • Figure 31A absorption at 501 nm.
  • Figure 31B emission at 523 nm.
  • Figures 32A-32B depict absorption and emission spectra of compound 19 in ethanol.
  • Figure 32A absorption at 509 nm.
  • Figure 32B emission at 531 nm.
  • Figures 33A-33B depict absorption and emission spectra of compound 26 in ethanol.
  • Figure 33A absorption at 602 nm.
  • Figure 33B emission at 621 nm.
  • Figures 34A-34B depict photostability data for compounds 14 and 19.
  • Figure 34A emission intensity data over time.
  • Figure 34B d(x,y) data over time.
  • Color conversion films for a LCD (liquid crystal display) having RGB (red, green, blue) color filters as well as such displays, formulations, precursors and methods are provided, which improve display performances with respect to color gamut, energy efficiency, materials and costs.
  • the color conversion films absorb backlight illumination and convert the energy to green and/or red emission at high efficiency, specified wavelength ranges and narrow emission peaks.
  • rhodamine-based fluorescent compounds are used in matrices produced by sol-gel processes and/or UV (ultraviolet) curing processes which are configured to stabilize the compounds and extend their lifetime - to provide the required emission specifications of the color conversion films.
  • Film integration and display configurations further enhance the display performance with color conversion films utilizing various color conversion elements and possibly patterned and/or integrated with a crosstalk blocking matrix.
  • the color conversion film(s) may be integrated in the LCD panel below the color filters, either before or after the analyzer associated with the liquid crystal film.
  • Color conversion and/or assistant dyes may be used to enhance spectral regions transmitted through the color filters and shape the illumination spectrum, to improve efficiency and performance.
  • FIG. 1 is a high level schematic overview illustration of disclosed film production processes 100, film configurations 130 and display configurations 140, according to some embodiments of the invention.
  • Embodiments combine color conversion elements (such as rhodamine -based fluorescent (RBF) compounds 115 and/or other color conversion elements 116 (such as fluorescent organic and/or inorganic compounds, quantum dots etc.) into films 130 by various film production processes 100 (such as sol-gel processes 200, UV curing processes 300 and/or other processes 101) to yield a variety of film configurations 130 such as color conversion films 130 and/or protective films 131 (which may be also color conversion films 130), which are then used in a variety of display configurations 140.
  • RBF rhodamine -based fluorescent
  • other color conversion elements 116 such as fluorescent organic and/or inorganic compounds, quantum dots etc.
  • Films 130, 131 prepared by as sol-gel processes 200 and UV curing processes 300 may be combined to form film 130.
  • Film(s) 130 may be used in display(s) 140 in one or more ways, such as any of: positioned in one or more locations in a backlight unit 142 and/or in LCD panel 85 and used as multifunctional films 130 (e.g., configured to function as any of: color conversions films, protective films, diffusers, polarizers etc.).
  • Further display configurations 140 may comprise adjusting film(s) 130 according to the backlight source 135 (see e.g., red enhancement below, possibly also green enhancement) and/or adjusting the display white point 145, adjustment which may be carried out by modifying any of the color conversion elements, film production processes 100 and/or film configurations 130.
  • Some embodiments provide integrative approaches to display configuration, which take into account multiple factors at all illustrated levels, as exemplified below.
  • FIGS 2A-2H and 3A-3E are high level schematic illustrations of configurations of digital display 140 with color conversion film(s) 130, according to some embodiments of the invention.
  • Digital displays 140 are illustrated schematically as comprising a backlight unit 142 and a LCD panel 85, the former providing RGB illumination 84A to the latter.
  • Backlight unit 142 is illustrated schematically in Figure 2A in a non-limiting manner as comprising a backlight source 80 (e.g., white LEDs 80B or blue LEDs 80A), a waveguide with reflector 82 (the latter for side-lit waveguides), a diffuser 144, prism film(s) 146 (e.g., brightness enhancement film (BEF), dual BDF (DBEF), etc.) and polarizer film(s) 148, which may be configured in various ways.
  • a backlight source 80 e.g., white LEDs 80B or blue LEDs 80A
  • a waveguide with reflector 82 the latter for side-lit waveguides
  • a diffuser 144 e.g., prism film(s) 146 (e.g., brightness enhancement film (BEF), dual BDF (DBEF), etc.) and polarizer film(s) 148, which may be configured in various ways.
  • BEF brightness enhancement film
  • DBEF dual BDF
  • Films 130 may be applied at various positions in backlight unit 142 such as on either side (130A, 130B) of diffuser 144, on either side (130C, 130D) of at least one of prism film(s) 146, on either side (130E, 130F) of at least one polarizer film(s) 148, etc.
  • film 120 may be deposited on any of the film in back light unit 142.
  • films 130 may be used to replace diffuser 144 and/or polarizer film 148 (and possibly prism film(s) 146), once appropriate optical characteristics are provided in films 130 as explained herein.
  • the location of film(s) 130 may be optimized with respect to radiation propagation in backlight unit 142, in both forwards (84A) and backward (84B) directions due to reflections in backlight unit 142.
  • optimization considerations may comprise fluorescence efficiency, energy efficiency, stability of rhodamine-based fluorescent (RBF) compounds 115 or other color conversion elements in film(s) 130, and so forth.
  • RBF rhodamine-based fluorescent
  • Some embodiments of displays 140 comprise a blue light source 80A (such as blue LEDs - light emitting diodes) with film(s) 130 configured to provide red and green components in RGB illumination 84A, e.g., by using red- fluorescent RBF compound(s) (e.g., with silane precursor(s) such as PhTMOS (trimethoxyphenylsilane) and/or TMOS (trimethoxysilane) with fluorine substituents - see below) and green-fluorescent RBF compound(s) (e.g., with silane precursor(s) such as FiTMOS (trime thoxy( 3,3,3 - trifluoropropyl)silane) - see below).
  • silane precursor(s) such as PhTMOS (trimethoxyphenylsilane) and/or TMOS (trimethoxysilane) with fluorine substituents - see below
  • green-fluorescent RBF compound(s) e.g., with si
  • the red and green fluorescent RBF compound(s) may be provided in a single film layer 133 or in multiple film layers 134, 132.
  • the process may be optimized to provide required absorption and emission characteristics of RBF compounds in film 130, while maintaining stability thereof during operation of display 140.
  • film(s) 130 with either one or more color conversion elements e.g., other fluorescent compounds, organic or inorganic, quantum dots etc.
  • any of the mentioned RBF compound(s) may, in some embodiments, be replaced or augmented by other color conversion elements (e.g., other fluorescent compounds, organic or inorganic, quantum dots etc.).
  • Some embodiments of displays 140 comprise a white light source 80B (such as white LEDs) with film(s) 130 configured to provide red and green components in RGB illumination 84A, e.g., by using red- fluorescent RBF compound(s) (e.g., with PhTMOS and/or TMOS with fluorine substituents as silane precursor(s)).
  • the red fluorescent RBF compound(s) may be provided in a single film layer or in multiple film layers 134. The process may be optimized to provide required absorption and emission characteristics of RBF compounds in film 130, while maintaining stability thereof during operation of display 140.
  • Red-fluorescent RBF compound(s) may be used to shift some of the yellow region in the emission spectrum of white light source 80B into the red region, to reduce illumination losses in LCD panel 85 while maintaining the balance between B and R+G in RGB illumination 84A.
  • FIG. 2B illustrates in more details various films and elements in display 140 to which film 130 may be associated or which may be replaced by film 130 in some embodiments.
  • LCD panel 85 is shown to include compensation films 85A, 85H, glass layers 85B, 85G, thin film transistors (TFT) 85C, ITO (indium tin oxide) layers 85D, 85F, liquid crystal cell (LC) 85E, RGB color filters 86, polarizer film 851 and protective film 85J (e.g., anti-glare, anti-reflection).
  • TFT thin film transistors
  • ITO indium tin oxide
  • LC liquid crystal cell
  • RGB color filters 86 polarizer film 851
  • protective film 85J e.g., anti-glare, anti-reflection
  • One or more film(s) 130 may be attached to or replace any of various layers in backlight unit 142 and/or in LCD panel 85, depending on considerations of minimizing further illumination losses, film performance and lifetime of the fluorescent dyes (RBF compounds 115).
  • Figure 2B illustrates schematically associating on or more films 130 with any of diffuser 144A and/or light guide 82, prism layer(s) 146, diffuser 144B, polarizers 83A, 83B (in either or both backlight unit 142 and LCD panel 85, respectively), LC 85E, ITO 85F and/or color filters 86. It is emphasized that Figure 2B merely provides a non-limiting example of a display configuration, and films 130 may be applied at various positions and any display configuration.
  • color conversion film 130 may comprise color conversion elements other than RBF compounds 115, such as organic (non-rhodamine- based) or inorganic fluorescent compounds, quantum dots etc.
  • Various display 140 configurations may be provided, which optimize illumination loss with film parameters and lifetime of the color converting elements.
  • Figure 2D illustrates an example for configuration of film 130 folded into a zigzag form, characterized by an overall length L, overall thickness di and step d 2 between folds.
  • Film 130 may be folded to increase the film thickness through which the illumination passes, without increasing the actual thickness of film 130 (formulated otherwise - to reduce the light flux per area of film 130).
  • the folding may increase the lifetime of RBF compounds 115 in film or of any other comprise color conversion elements on which film 130 may be based, such as organic (non-rhodamine-based) or inorganic fluorescent compounds, quantum dots etc.
  • FIGs 2C and 2E schematically illustrate some of the above considerations, by comparing display 140B with color conversion film 130 in LCD panel 85 versus display 140A ( Figure 2E) with color conversion film 130 in backlight unit 142.
  • the schematic illustrations depict the illumination intensity as Io, and illumination components R, G, B as they are produced in the respective display.
  • color conversion film 130 in backlight unit 142 provides illumination at RGB, assuming in a non-limiting manner no loss on the conversion.
  • color filters 86 remove two of the three illumination components, leaving ca. 10% of the original illumination at each color component (see also Figure 2B, illustrating a more realistic lower rate of less than 5% per color component).
  • a blue component may be delivered directly to blue color filter 86 without color conversion or filtering, while R and G may be converted from corresponding blue component just before filters 86, so that that filters 86 pass most or all of the illumination they receive, which is wavelength-adjusted just before entering color filters 86 - resulting in a much higher efficiency than in display 140A of ca. 30% of the original illumination at each color component (corresponding to 10- 15% per color component in terms of Figure 2B).
  • Such gain in efficiency may be achieved by some embodiments having any type of color conversion film 130, which may comprise color conversion elements other than RBF compounds 115, such as organic (non-rhodamine-based) or inorganic fluorescent compounds, quantum dots etc.
  • Various display configurations may be provided which increase illumination use efficiency by positioning respective color conversion film 130 in LCD panel 85, before color filters 86.
  • Some embodiments comprise respective LCD panels
  • Figures 2F-2M are high level schematic illustrations of configurations of digital display 140 with color conversion film(s) 130, according to some embodiments of the invention.
  • Figure 2F illustrates, schematically, embodiments in which color conversion film 130 is positioned in backlight unit 142, e.g., between diffuser 144 and prism 146 or associated therewith, as disclosed above.
  • FIG. 2G illustrates, schematically, embodiments in which color conversion film 130 is positioned in LCD panel 85 between polarizer 83B and an analyzer film 87 (e.g., a corresponding polarizing film), e.g., between liquid crystal layer 85E and analyzer film 87 and below RGB color filter layer 86.
  • analyzer film 87 e.g., a corresponding polarizing film
  • the position of color conversion film 130 may be optimized to provide maximal light conversion efficiency while retaining long life time (due to less radiation passing though film 130 after non-polarized illumination has been filtered out by polarizer 83B) and maintaining the polarization of the illumination.
  • the latter effect may be achieved by corresponding configuration of color conversion film 130 to maintain or even enhance the respective polarization, e.g., by aligning RBF compounds 115 during preparation of color conversion film 130, as disclosed herein.
  • One or more color conversion film(s) 130 may be positioned in certain embodiments between polarizer 83B and liquid crystal layer 85E.
  • FIG. 2H illustrates, schematically, embodiments in which color conversion film 130 is positioned in LCD panel 85 after analyzer film 87 and below RGB color filter layer 86.
  • RGB color filter layer 86 in LCD panel 85 may be positioned after analyzer film 87, and be preceded by color conversion film 130.
  • LCD panel 85 comprising, sequentially with respect to received illumination 84A: polarizing film 83B, liquid crystal layer 85E, analyzer film 87, color conversion film 130, RGB color filter layer 86 and protective film 85J.
  • the position of color conversion film 130 may be optimized to provide maximal light conversion efficiency while retaining long life time (due to less radiation passing though film 130 after non-polarized illumination has been filtered out by polarizer 83B).
  • Polarization maintenance is not necessarily required in these embodiments, as color conversion film 130 is positioned after liquid crystal layer 85E and analyzer film 87.
  • One or more color conversion film(s) 130 may be positioned in certain embodiments between analyzer film 87 and protective film 85J.
  • multiple films 130 may be used in display 140, e.g., combining embodiments illustrated in Figures 2F-2H, possibly with different films 130 which are configured each with respect to its position in display 140.
  • color conversion film(s) 130 may be patterned with respect to a patterning of RGB color filter layer 86 to yield a spatial correspondence between film regions with R and G emission peaks and respective R and G color filters, as disclosed herein (see e.g., Figure 2C).
  • Color conversion film(s) 130 may comprise one or more layers, with corresponding red-fluorescent RBF compound(s) and green-fluorescent RBF compound(s) as disclosed herein. Color conversion film(s) 130 may comprise independent film(s) and/or corresponding layers applied onto any of the LCD panel components disclosed herein, according to their respective position in LCD panel 85.
  • considerations for positioning color conversion film(s) 130 within LCD panel 85 may be carried out according to estimations of transmission of illumination, similar to the non-limiting example presented in Figure 2B.
  • the considerations may comprise minimizing radiation intensity passing through color conversion film(s) 130 with respect to the complexity of modifying LCD panel 85.
  • Additional considerations may comprise reduction of parallax effects due to film thickness, which may be achieved by close association of film(s) 130 with color filters 86, applying at least part(s) of film(s) 130 as coatings on color filters 86 or on other films in LCD panel 85, and possibly providing barriers in film(s) 130 to limit stray light.
  • FIG. 21 is a high level schematic illustration of an intensity regulating mechanism implemented by a controller 143, according to some embodiments of the invention.
  • Controller 143 may be configured to regulate transmission through LC unit 87A, (e.g., by controlling LC layer 85E and/or polarizers 83B, 87) in relation to the intensity of fluorescence from color conversion film 130.
  • controller 143 may be configured to tune down transmission through LC unit 87A when color conversion film 130 is fresh and provides a high level of fluorescence, and gradually tune up transmission through LC unit 87A as color conversion film 130 degrades and provides less fluorescence.
  • FIG. 2J is a high level schematic illustration of a fluorescence-intensifying section 138 with color conversion film 130, according to some embodiments of the invention.
  • Section 138 may comprise optical elements 136 and optionally 137, configured to enhance red and green radiation by reflecting fluorescent radiation from green- fluorescent and red- fluorescent RBF compounds 115 (indicated schematically by the arrows) back in direction of color filters 86 (not illustrated).
  • the distribution and density of green- fluorescent and red- fluorescent RBF compounds 115 in color conversion film 130 may be configured to take into account recurring fluorescence to provide the required white point parameters.
  • Section 138 may be configured to pass the blue illumination component without reflections (attenuated only by the absorption by RBF compounds 115).
  • optical element 136 may comprise DBEF (Dual Brightness Enhancement Film) film(s) which may be configured to be transparent to blue light and reflective to red and green light.
  • Optical element 137 may also comprise DBEF film(s) configured to be transparent to blue light and reflective to red and green light, to form some back and forth reflections of R and/or G light through color conversion film 130.
  • Optical element 137 is optional in the sense that fluorescence-intensifying section 138 may comprise only optical elements 136 to enhance R and/or G light by simple reflection.
  • fluorescence-intensifying section 138 may be also configured to enhance the degree of polarization of the illumination, by selectively reflecting (by optical element 136) and/or transmitting (by optical element 137) light with specified polarization properties, in particular red and green light with specified polarization properties.
  • Fluorescence- intensifying section 138 may at least partly compensate for possible loss of polarization by fluorescence of RBF compounds 115 in color conversion film 130.
  • Fluorescence- intensifying section 138 may be positioned in either back light unit 142 and/or LCD panel 85, and may be combined with any of the disclosed display configurations.
  • fluorescence-intensifying section 138 may be configured to reduce stray light, compensate for absorption and/or enhance polarization of light passing through color conversion film 130.
  • enhancements may be applied to color conversion film 130 integrated in backlight unit 142 and/or in LCD panel 85.
  • a short-pass reflector (SPR) layer (see e.g., layer 139A in Figure 2L) may be positioned before color conversion film 130 to reflect backward fluorescent emission of RBF compounds 115 into the forward direction, to prevent absorption loss of the backward fluorescent emission.
  • SPR layer 139A may be implemented as any of, e.g., single-edge short-pass dichroic beam splitter(s), bandpass filter(s) and/or blocking single-band bandpass filter(s) or their combinations.
  • a layer may be positioned after color conversion film 130 to enhance the fluorescent output of color conversion film 130 by directing more radiation through it, to reduce stray fluorescent emission and possibly to reduce cross talk between RGB color filters 86 (see also crosstalk-reducing layer 139B disclosed below).
  • possible polarization scrambling by film 130 may be compensated by a layer positioned before or after film 130, such as a thin analyzer (polarizer) layer 87B.
  • Figures 2K and 2L are high level schematic illustrations of patterned color conversion films 130 with a matrix-like crosstalk-reducing layer 139B, according to some embodiments of the invention.
  • Figure 2K illustrates schematically a cross section through a part of LCD panel 85, between polarizer 83B and analyzer 87 of embodiments similar to the illustrated in Figure 2G.
  • color conversion film 130 may be patterned and attached to or adjacent to RGB color filters layer 86. Regions of color conversion film 130 which are adjacent to B (blue) color filter regions of layer 86 may be devoid of RBF compounds 115 and pass all the blue light (see also Figure 2D); regions of color conversion film 130 which are adjacent to G (green) color filter regions of layer 86 may comprise only green- fluorescent RBF compounds 115 to convert blue light to green light; and regions of color conversion film 130 which are adjacent to R (red) color filter regions of layer 86 may comprise both green-fluorescent and red-fluorescent RBF compounds 115 to convert blue light to green light and green light to red light, respectively.
  • the film stack comprising patterned color conversion film 130, color filters layer 86 and possibly liquid crystal (LC) layer 85E, polarizer 83B and analyzer 87 (indicated as an LC unit 87A) - may be produced or processed jointly to achieve exact alignment of patterned color conversion film 130 and color filters layer 86.
  • LC liquid crystal
  • Color conversion films 130 may have a crosstalk-reducing layer 139B embedded therein (see also Figure 2M below), and/or patches of color conversion film 130 may be incorporated within the structural framework of crosstalk-reducing layer 139B.
  • Color conversion film 130 with crosstalk-reducing layer 139B may be patterned to comprise compartments of film 130 with green-fluorescent RBF compounds 115, denoted 130 (115G) - before the G filter regions of RGB filter 86, compartments of film 130 with both red-fluorescent and green-fluorescent RBF compounds 115, denoted 130 (115R) and 130 (115G), respectively - before the R filter regions of RGB filter 86 and compartments with blue or no film 130 (e.g., possibly blue emitting film "B", a diffuser and/or a void, as explained below) before the B filter regions of RGB filter 86.
  • blue or no film 130 e.g., possibly blue emitting film "B", a diffuser and/or a void, as explained below
  • Figure 2L illustrates schematically a cross section through a part of LCD panel 85, with additional optical elements configured to optimize the LCD output and the radiation movement through the LC panel.
  • SPR layer 139A may be used before layer 130 to recycle backscattered fluorescent light and possibly to increase blue transmission by configuration in the respective polarization; and optical elements 85J, 85K may be used to control radiation after layer 130.
  • optical elements 85K may comprise diffuser or concave micro lens configured to correct possible spatial distribution differences in illumination between the B, R and G component from film 130 and filters 86 (e.g., possibly correcting deviations introduced be film 130).
  • Optical elements 85K may comprise, in addition or in place of analyzer 87, and possibly integrated in protective layer 85J, optical elements configured to reflect back and/or absorb ambient light, a black matrix with micro lenses to further improve the LCD output.
  • thin analyzer 87B may be positioned before SPR layer 139A to enhance the degree of polarization of the radiation reaching film 130, optionally to compensate for possible polarization scrambling in film 130.
  • Thin analyzer 87B and SPR layer 139A (illustrated as stack 87C) may be replaced by (main) analyzer 87, a glass substrate and SPR layer 139A in alternative embodiments of stack 87C.
  • Figure 2M provides a schematic cross section view of a part of LCD panel 85 as well as a perspective view of color conversion films 130 with crosstalk-reducing layer 139B, showing the top compartments thereof (130 (115G) of the red compartments are not visible in the image, see in Figures 2K, 2L).
  • layer 139B may have a honeycomb structure, a rectangular structure or any other structure designed to correspond to patterns of color filters 86 and/or to patterns of color conversion film 130 disclosed above.
  • the combination of color conversion films 130 and crosstalk-reducing layer 139B may be implemented by a range of technologies, such as deposition methods, photolithography, solution-based coating methods and/or by producing a film (such as a white film, a black film, a reflective film etc.) with holes by the corresponding color- conversion materials (patches of film 130 with respective RBF compounds 115).
  • Layers 130, 139B may be positioned next to LC layer 85E and/or after analyzer 87 (see e.g., Figures 2G, 2H, respectively), depending on the level pf polarization layers 130, 139B are configured to provide.
  • the configuration illustrated schematically in Figure 2L may be used with backlight unit 142 having blue illumination source 80A or with backlight unit 142 having white illumination source 80B, as illustrated e.g., in Figure 2A and in Figure 2N described below.
  • Figure 2N is a high level schematic block diagram illustrating various configurations of LCD panel 85 and display 140, according to some embodiments of the invention. Various configurations and combinations illustrated in Figure 2N are explained in more detail and demonstrated in Figures 5C-5F and 14A-14F below. Disclosed configurations may be implemented for backlight units 142 configured to provide white illumination 80B (e.g., using white LEDs) and/or blue illumination 80A (e.g., using blue LEDs), as discussed below.
  • white illumination 80B e.g., using white LEDs
  • blue illumination 80A e.g., using blue LEDs
  • red-fluorescent and green-fluorescent RBF compounds 115 in respective layers 134, 132 may be used to enhance efficiency (illumination intensity of LCD display 140) and/or adjust its white point.
  • Efficiency enhancement may be achieved by changing the white illumination spectrum to bring a larger part of the spectrum into the transmission ranges of RGB filters 86, as illustrated e.g., in Figures 5A-5D and the respective disclosure sections.
  • White point adjustment may be achieved by changing the ratios between the illumination components in the transmission ranges of RGB filters 86 within the illumination spectrum, as illustrated e.g., in Figures 3C-3E and the respective disclosure sections.
  • red-fluorescent and green- fluorescent RBF compounds 115 in one or more layers 133 may be used to adapt the illumination spectrum to the transmission ranges of RGB filters 86, as disclosed herein (see also Figure 2C).
  • red-fluorescent and green-fluorescent RBF compounds 115 in color conversion films 130 or color conversion elements may be applied when using blue illumination 80A for providing green and red illumination; when using white illumination 80B for enhancing green and red illumination and adjusting the illumination spectrum; and possibly when using blue and green illumination 80C (e.g., with blue and green LEDs in backlight units 142) for providing red illumination and enhancing red illumination and adjusting the illumination spectrum.
  • assistant dye compounds 117 may be used as disclosed below (e.g., Figures 20, 5D) to enhance any of the efficiency, FWHM, peak shape and/or white point of the illumination reaching RGB filters 86 and the illumination provided by LCD display 140.
  • Assistant dye compounds 117 may be selected to have specified absorption and emission peaks and/or to have absorption curves and fluorescence curves which change the shape of illumination spectrum 80A and/or 80B and/or change the shape and intensity of illumination components in the transmission ranges of RGB filters 86.
  • Two non-limiting examples for assistant dyes 117 are 5-FAM and 5- Carboxyfluorescein.
  • assistant dye 117 is HPTS; pyranine (8-Hydroxypyrene-l,3,6-Trisulfonic Acid, Trisodium Salt), having an absorption peak at shorter wavelengths than 5-FAM (e.g., at ca. 450nm vs. 490nm), with a similar emission peak at 520-530nm (depending on embedding conditions).
  • assistant dye 117 are rhodamine 12, rhodamine 101 from Atto-tec® and perylene dye F300 from Lumogen®.
  • Figure 20 is a high level schematic illustration of patterned color conversion films 130 with a layer 117 of assistant dyes, according to some embodiments of the invention.
  • Layer 117 of assistant dyes may be patterned, possibly with different assistant dyes associated with each of R, G and B filters 86, indicated schematically as assistant dye layers 117(R, G, B).
  • assistant dye layers 117 may be integrated in one or more of patterned color conversion film(s) 130.
  • an illumination efficiency calculation may be used to adjust the relative amounts of illumination in each spectral range (e.g., R, G, B ranges).
  • color conversion factors may be adjusted to provide relative amounts of R, G, B illumination reaching color filters 86 (e.g., green and red color conversion for blue illumination 80A, red color conversion for blue and green illumination 80C), second, color conversion dyes (and possibly assistant dyes) may be provided to adjust the illumination spectrum and fine tune the relative amounts of R, G, B illumination reaching color filters 86 (e.g., red and green enhancement for blue illumination 80A, red and green enhancement for white illumination 80B, red and possibly green enhancement for blue and green illumination 80C).
  • red and green enhancements may be configured to compensate for higher losses through red and green conversion films and possibly for higher losses for R illumination (due to double conversion - to green and then to red) than for G illumination (see also Figures 2B and 2C).
  • assistant dye(s) may comprise phosphorous compound(s) selected to convert blue illumination 80A to illumination at longer wavelengths, as an assistant component (e.g., in association with R color filters 86 as 117R).
  • red- fluorescent and/or green-fluorescent RBF compounds 115 and/or assistant dyes 117 may be used to enhance any of the efficiency, FWHM, peak shape and/or white point of the illumination reaching RGB filters 86 and the illumination provided by LCD display 140 ( Figure 2N).
  • Red-fluorescent and/or green-fluorescent RBF compounds 115 and/or assistant dye compounds 117 may be selected to have specified absorption curves and fluorescence curves which change the shape of illumination spectrum 80A after it is modified by quantum dots 116 and/or change the shape and intensity of illumination components in the transmission ranges of RGB filters 86.
  • red-fluorescent and/or green-fluorescent RBF compounds 115 and/or assistant dye compounds 117 may be selected to correct symmetry issues in the transmission ranges of RGB filters 86 which are prevalent when using certain color conversion technologies (see e.g., Figure 5F).
  • FIG. 2P is a high level schematic illustration of an integrated layer 186 of patterned color conversion film 130 with RGB color filters 86, according to some embodiments of the invention.
  • one or more of RGB color filters 86 may be configured to comprise red-fluorescent and/or green-fluorescent RBF compounds 115 and/or assistant dyes 117 and be configured as respective integrated RGB color filters 186.
  • FIG. 2Q is a high level schematic enlarged view of an LCD 140 having a possibly collimated backlight unit 142, according to some embodiments of the invention.
  • light source 80 may provide blue illumination 80A which is collimated, composed of parallel beams.
  • An LCD panel 85 may comprise a liquid crystal (LC) layer 85E with associated polarizers and control circuitry (not shown), which is configured to control the images of LCD 140, with a color conversion film 130 and a color filter layer 86 (which may be separate or integrated) following, to provide the displayed image.
  • LC liquid crystal
  • the above-display configuration of color conversion film 130 and color filter layer 86 is enabled by the fact that illumination 80A is collimated, preventing spatial discrepancies (such as scattering and cross talk) between positions of LC elements and positions of color filter elements.
  • any of the disclosed embodiments may be implemented in various pixel arrangements (e.g., stripe, mosaic, delta and boomerang arrangements, as non- limiting examples) and with respect to any number of subpixels per pixel (e.g., 1, 2, 3 or more subpixels per pixel, possibly with various color allocations per subpixel), possibly with corresponding spatial adjustments and configurations, and possibly only to some of the sub-pixels in the array.
  • the patterning of color conversion film 130 may be configured to follow the patterning of color filter layer 86 and/or be integrated therewith. Elements of color conversion film 130 may be configured to be produced together with color filter layer 86 with minimal or possibly no additional complexity, using same or possibly modified production processes.
  • FIG. 2R is a high level schematic illustration of patterned color conversion film 130 with a matrix-like crosstalk-reducing layer 139B in an above-LC configuration, according to some embodiments of the invention.
  • Illumination 80A and/or 80B may be configured to enable maintaining the direction of illumination exiting the LC module as it propagates through color conversion film 130 to color filters 86 and exits display 140 - to achieve a low level of blurring and high efficiency.
  • Figure 2R is a schematic cross section through a part of LCD panel 85, including polarizer 83B, LC layer 85E, polarizer (analyzer) 87B, and patterned color conversion film 130 and color filters layer 86 positioned above polarizer (analyzer) 87B.
  • FIG. 2S is a high level schematic illustration of LCD panel 85 comprising the color conversion and filtering layer above the LC module, with a top optical- elements array 137B, according to some embodiments of the invention.
  • the color conversion and filtering layer may comprise separate color conversion layer 130 and color filters layer 86 or integrated color conversion and filtering layer 186 as shown in Figure 2T below.
  • LCD panel 85 may comprise top optical-elements array 137B having e.g., a micro-lens array ( Figure 2S), which is placed above color filters 86 and configured to increase the brightness and radiance of LCD 140 at the center of a vertical viewing direction.
  • LCD panel 85 may comprise top optical- elements array 137B having optical elements such as lenslets, encapsulated within a transparent material (typically having a lower refractive index than the lenslets), providing a flat optical element which is placed above color filters 86 and configured to increase the brightness and radiance of LCD 140 at the center of a vertical viewing direction.
  • optical elements such as lenslets, encapsulated within a transparent material (typically having a lower refractive index than the lenslets), providing a flat optical element which is placed above color filters 86 and configured to increase the brightness and radiance of LCD 140 at the center of a vertical viewing direction.
  • Figure 2S further illustrates schematically blue diffuser elements 131A, which may be applicable to any of the embodiments disclosed herein, configured to provide a similar spatial distribution of blue light as the red and green light spatial distributions, which are affected by color conversion elements 130R (e.g., 130(115R)) and/or 130G (e.g., 130(115G)).
  • top optical-elements array 137B may comprise optical elements (e.g., micro-lenses) only over blue sub-pixels (in addition or in place of blue diffuser elements 131A) to equalize the light spatial distributions of R, G and B light.
  • Figures 2T and 2U are high level schematic illustrations of a part of LCD panel 85, according to some embodiments of the invention.
  • Figure 2T is a schematic cross section view.
  • patterned color conversion film 130 and color filters layer 86 may be integrated into a single layer 186 configured to perform both functions of color conversion and filtering.
  • Layer 186 may be pixelated in any pattern of pixels and subpixels, and may have regions B, G+130G and R+130R (possibly with additional colors, e.g., yellow) configured to provide blue, green and red light from illumination 80A and/or 80B (possibly collimated), e.g., collimated blue illumination 80A, through color conversion and color filtering.
  • compositions and amounts of absorptive and fluorescent dyes may be produced into the compartments of layer 186 according to the principles disclosed herein, possibly integrated in a production process which is similar to the current process of producing color filters layer 86.
  • Supporting elements and/or matrixlike crosstalk-reducing layer 139B may be part of layer 186 to maintain collimation of the provided light and minimize light stray.
  • Figure 2U further illustrates schematically red and/or green diffuser elements 131B, which may be applicable to any of the embodiments disclosed herein, configured to regulate the spatial distribution of red and/or green light, respectively, possibly to compensate for effects of color conversion elements 130R and/or 130G, respectively.
  • blue diffuser elements 131A may be applied together with red and/or green diffuser elements 131B. Any of the embodiments may be configured to equalize the light spatial distributions of R, G and B light.
  • color conversion film 130 may be patterned and attached to or adjacent to RGB color filters layer 86. Regions of color conversion film 130 which are adjacent to B (blue) color filter regions of layer 86 may be devoid of color conversion compounds and pass all the blue light; regions of color conversion film 130G which are adjacent to G (green) color filter regions of layer 86 may comprise only green color conversion compounds, such as green-fluorescent rhodamine -based compounds disclosed in U.S. Patent Application No.
  • regions of color conversion film 130R which are adjacent to R (red) color filter regions of layer 86 may comprise both green and color conversion compounds such as green- fluorescent and red-fluorescent rhodamine-based compounds disclosed in U.S. Patent Application Nos. 15/252,597 and 15/252,492, included herein by reference in their entirety, to convert blue light to green light and green light to red light, respectively.
  • Color conversion films 130 may comprise crosstalk-reducing layer 139B embedded therein (patterned in squares, hexagons, or other shapes), and/or patches of color conversion film 130 may be incorporated within the structural framework of crosstalk- reducing layer 139B.
  • Color conversion film 130 with crosstalk-reducing layer 139B may be patterned to comprise compartments 130G of film 130 with green color conversion compounds adjacent and before the G filter regions of RGB filter 86, compartments 130R, 130G (possibly combined or integrated) of film 130 with both green and red color conversion compounds adjacent and before the R filter regions of RGB filter 86 and compartments with blue or no film 130 (e.g., possibly blue emitting film, a diffuser and/or a void) adjacent and before the B filter regions of RGB filter 86.
  • color conversion film 130 with crosstalk-reducing layer 139B may be patterned to comprise compartments 130G of film 130 with green color conversion compounds adjacent and before the G filter regions of RGB filter 86, compartments 130R, 130G (possibly combined or integrated) of film 130 with both
  • additional layers may be added, such as short-pass reflector (SPR) layer(s) to recycle backscattered fluorescent light and possibly to increase blue transmission by configuration in the respective polarization, optical elements configured to control radiation after color conversion layer 130 such as diffuser(s) or concave micro lenses configured to correct possible spatial distribution differences in illumination between the B, R and G component from color conversion film 130 and filters 86, to reflect back and/or absorb ambient light, to further improve the LCD output e.g., using a black matrix with micro lenses, etc.
  • a thin analyzer layer may be used as polarizer (analyzer) 87 to enhance the degree of polarization of the radiation reaching color conversion film 130, optionally to compensate for possible polarization scrambling therein.
  • Figures 3A-E schematically illustrates white point adjustment 145 that extends a display lifetime of display 140, according to some embodiments of the invention.
  • Illustration 145A ( Figure 3A) shows an example of EC- 154 (Z3 with JK-71 + Z2 with ES- 61, see line 9 in Table 1 below) sample color gamut compared to DCI (digital cinema initiatives) P3 cinema standard color gamut over the CIE 1931 color space with a white region indicated by WR and a white point denoted by WP, having a diameter which is denoted by d and may be e.g., 0.01 in the diagram's x coordinates.
  • the region WP denotes the range within which display 140 is considered to be within the specifications with respect to its color performance. Once the actual white point of display 140 is outside region WP, even when it remains within a possibly larger region WR corresponding to white color, display 140 is considered over its lifetime and not operating according to specifications.
  • films 130 are configured to provide a white point 141A at the center of the region WP and as with time RBF compounds 115 or other color conversion elements degrade 141 (indicated in graph 145C, Figure 3C, showing the emission spectrum of film 130 by arrows which are denoted Time) white point 141 A moves until it exits region WP and the display is considered over its lifetime.
  • the degradation in terms of the distance on color diagram 145A is illustrated in graph 145B ( Figure 3B) using non-limiting experimental data of the distance from point 141A over the operation time (in arbitrary units, a.u., scaled to 1000) of the display.
  • film(s) 130 may be fine-tuned to have the exact white point within region WP but at a point 141B on the edge of it which is opposite to the direction of degradation marked by arrow 141 (illustrations 145D, 145E in Figures 3D and 3E, respectively, show an enlarged view of white region WR).
  • Such fine tuning to white point 141A enables the display characteristics to be changed to ca.
  • the semi-quantitative example in graph 145B illustrates an increase in display lifetime, from ca. 600 a.u. to ca. 900 a.u., when changing the white-point from 141A to 141B.
  • display 140 starts a bit warmer, goes through the exact white point and ends a bit colder, with a longer lifetime overall.
  • RBF compounds 115 or other color conversion elements in film 130 thus enables effective lengthening of the lifetime of display 140.
  • Examples for increased dye concentrations may be up to 20% for green dyes and up to 40% for red dyes.
  • Some embodiments comprising raising the concentration of one or more types of dyes (such as red- fluorescent and green-fluorescent RBF compounds 115), to fine tune the exact white point of display 140.
  • the increased concentration of dyes may result in a somewhat warmer white within specified region WP.
  • Illustrations 145D and 145E emphasize that white point 141B may be selected according to known degradation 141 of color conversion film 130 with respect to specified white point WP, for any type of film 130, including films using organic (non-rhodamine-based) or inorganic fluorescent compounds, quantum dots etc.
  • Film 130 may comprise at least one layer 134 with red fluorescent RBF compound, or at least one layer 134 with red fluorescent RBF compound and thereupon at least one layer 132 with green fluorescent RBF compound. At least one of the layers of film 130 may be configured to exhibit polarization properties.
  • Figure 4 is an illustration example of polarization anisotropy of film(s) 130 with RBF compound(s) 115, according to some embodiments of the invention. The inventors have found out that in certain cases, during the embedding of RBF compound(s) 115 in film 130, the molecules self-assemble to affect light polarization, providing at least partially polarized light emission.
  • Process parameters may be adjusted to enhance the degree of polarization of light emitted from film 130, e.g., by providing conditions that cause self-assembly to occur to a larger extent.
  • the inventors suggest that the polarized emission of fluorescence is related to the limitations on rotational motions of the macromolecular fluorophores during the lifetime of the excitation state (limitations relating to their size, shape, degree of aggregation and binding, and local environment parameters such as solvent, local viscosity and phase transition).
  • the inventors have further found that these limitations may be at least partially controlled by the preparation process of film 130 which may thus be used to enhance illumination polarization in display 140.
  • Figure 4 illustrates polarization and anisotropy measurement of films 130 prepared with red and green fluorescent compounds (specifically, green coumarin 6 dye and rhodamine 101 red molecular dyes, using the sol-gel process).
  • the anisotropy values range between 0.3-0.5 at the emission wavelengths.
  • Films 130 having different red and/or green fluorescent RBF compound 115, as well as films 130 prepared by UV curing also present polarization properties and may be used in device 140 to enhance or at least partially replace polarizer films (e.g., 83A, 83B, 851 etc. see Figures 2A and 2B).
  • polarizer films e.g., 83A, 83B, 851 etc. see Figures 2A and 2B.
  • Some embodiments comprise any type of color conversion film 130, which may comprise color conversion elements other than RBF compounds 115, such as organic (non- rhodamine -based) or inorganic fluorescent compounds, quantum dots etc. - configured to provide polarize fluorescent radiation as disclosed above.
  • Such films 130 may be used to enhance or at least partially replace polarizer films in respective displays 140.
  • Figure 5A is a high level schematic illustration of red (R) enhancement in devices with white illumination, according to some embodiments of the invention.
  • Figure 5A schematically illustrates a typical white light spectrum 80B-1 (of white illumination source 80B), optimized to provide RGB illumination 84A in prior art backlight units, and typical ranges (86R, 86G, 86B) of RGB filters 86 in LCD panel 85 (see Figures 2B, 2C and 2E).
  • white light spectrum 80B-1 is optimized with respect to the ratio between its blue section (80B-B) and its yellow section (80B-Y), it is deficient with respect to the relative position of the yellow region (80B-Y) and G and R ranges 86G, 86R, respectively (corresponding, for example, to B, G, R denoted in Figures 2C and 2E).
  • G and R ranges 86G, 86R, respectively (corresponding, for example, to B, G, R denoted in Figures 2C and 2E).
  • much of the illumination energy in yellow region 80B-Y is filtered out and thus wasted in the operation of the display and moreover, color cross talk (part of the yellow orange might go to the green filter and some of the green-yellow to the red filter) which degrades the color gamut.
  • film(s) 130 with red-fluorescent RBF compound(s) 115 shifts 132A at least some of the illumination energy in yellow region 80B-Y into red region 86R which is passed by the R (red) filter in LCD panel 85, and is therefore not wasted.
  • Using film(s) 130 thus increases the energy efficiency of display 140 and possibly improves its color gamut.
  • Figure 5B illustrates an example for the improvement in RGB spectrum 84B provided by backlight unit 84 using film(s) 130, according to some embodiments of the invention.
  • films 130 were produced by UV curing process 300.
  • White light spectrum 80B-1 is somewhat different from the one illustrated in Figure 5A due to the difference in white light source 80B, yet also exhibits a peak in the yellow region.
  • emission spectrum 134-1 of film 130 (made of layer(s) 134 - specifically - one to three layers with JK32 (0.02-0.3mg/ml for each layer, spectra shown without LCD color filter effects)) in backlight unit 142 splits the yellow peak of white light spectrum 80B-1 into a green and a red peak, each within the range of the corresponding G and R filters, thereby increasing the efficiency, reducing the color cross talk and improving the gamut of display 140, e.g., by providing a more saturated (narrower FWHM, full width at half maximum) red and at longer red wavelength.
  • the characteristics of the green and red peaks of emission spectrum 134-1 of film 130 were 618 ⁇ 5nm peak with FWHM of ca.
  • Some embodiments comprise any type of color conversion film 130, which may comprise color conversion elements other than RBF compounds 115, such as organic (non- rhodamine -based) or inorganic fluorescent compounds, quantum dots etc. - configured to provide polarize fluorescent radiation as disclosed above.
  • Such films 130 may be used to RGB spectra 84B by providing shifts 132A of yellow illumination 80B-Y into the red region of corresponding R color filters 86 in respective displays 140.
  • films 130 may be configured to provide green enhancement, using only or mostly green-fluorescent compounds.
  • Figure 5C is a high level schematic illustration of green (G) and red (R) enhancement in devices with white illumination, according to some embodiments of the invention.
  • Figure 5C schematically illustrates a typical white light spectrum 80B-1 (of white illumination source 80B), optimized to provide RGB illumination 84A in prior art backlight units, and typical ranges (86R, 86G, 86B) of RGB filters 86 in LCD panel 85 (see Figures 2B, 2C and 2E).
  • film(s) 130 with green- fluorescent RBF compound(s) 115 (layer(s) 132) shifts 132B at least some of the illumination energy in cyan region 80B-C into green region 86G which is passed by G (green) filter 86 in LCD panel 85, and is therefore not wasted.
  • film(s) 130 thus increases the energy efficiency of display 140 and possibly improves its color gamut.
  • Certain embodiments comprise LCD 140 comprising backlight unit 142 configured to provide white illumination 80B and LCD panel 85 receiving illumination from backlight unit 142 and comprising, sequentially with respect to the received illumination: polarizing film 83B, liquid crystal layer 85E, analyzer film 87B, color conversion film 130 (possibly patterned), RGB color filter layer 86, and protective layer 85J, possibly with additional analyzer film 87 between RGB color filter layer 86 and protective layer 85J.
  • Color conversion film 130 may comprise rhodamine-based fluorescent (RBF) compounds 115 selected to absorb illumination from backlight unit 142 and have an R emission peak and a G emission peak.
  • assistant dyes 117 may be further integrated in the color conversion film 130 and/or in a separate layer. Green enhancement in white LED applications may improve the efficiency and/or intensity of green and/or red filters 86.
  • certain embodiments comprise LCD 140 comprising backlight unit 142 configured to provide illumination 80 and LCD panel 85 receiving illumination from backlight unit 142 and comprising, sequentially with respect to the received illumination: polarizing film 83B, liquid crystal layer 85E, analyzer film 87B, integrated RGB color filter layer 186 which is integrated with color conversion film 130 (possibly patterned), and protective layer 85J, possibly with additional analyzer film 87 between integrated RGB color filter layer 186 and protective layer 85J.
  • Integrated RGB color filter layer 186 may comprise rhodamine-based fluorescent (RBF) compounds 115 selected to absorb illumination from backlight unit 142 and have an R emission peak and a G emission peak.
  • RBF rhodamine-based fluorescent
  • illumination 80 may comprise blue illumination 80A and integrated RGB color filter layer 186 may comprise RBF compounds 115 having the R emission peak and the G emission peak.
  • illumination 80 may comprise white illumination 80B and integrated RGB color filter layer 186 may comprise RBF compounds 115 having the R emission peak and/or the G emission peak configured to provide red and/or green color enhancement, respectively.
  • illumination 80 may comprise blue and green illumination 80C and integrated RGB color filter layer 186 may comprise RBF compounds 115 having the R emission peak and/or the G emission peak configured to provide red color conversion and possibly red and/or green color enhancement, respectively.
  • assistant dyes 117 may be further integrated in integrated RGB color filter layer 186 and/or possibly used as separate color conversion elements 117.
  • the efficiency of illumination may be determined by a large number of parameters, such as spectrum overlap between illumination 80 from backlight unit 142 and absorption ranges of color conversion and assistant dyes 115, 117 respectively, transmission and reflection parameters in the spectral range of optical elements in LCD panel 85 (e.g., optical elements 136 and optionally 137 illustrated in Figure 2J), quantum yields of the dyes and recycling efficiency of the backscattered fluorescent light; and spectrum overlap between the modified spectrum and color filters 86, e.g., spectrum overlap between the emission spectra of color conversion and assistant dyes 115, 117 respectively, and color filters 86, residual illumination 80 after color conversion, and spatial considerations such as angular dependency of fluorescent radiation, and of optical elements in LCD panel 85.0ptimization of color conversion and assistant dyes 115, 117 respectively, of dye integration in color filters 86, of spectrum shaping (see below) and of crosstalk-reducing layer 139B may be carried out with respect to individual color ranges and specified required gamut parameters.
  • parameters such as spectrum overlap between illumination 80 from back
  • FIGS 5D-5F are high level schematic illustrations of spectrum shaping using assistant dyes 117, according to some embodiments of the invention.
  • One or more assistant dye(s) 117 may be used, independently and/or integrated in color conversion layer(s) 130 (and/or 132, 133, 134) and/or integrated in RGB color filters 86 and/or integrated in integrated RGB color filters 186 (having color conversion compounds 115).
  • Assistant dyes 117 are characterized herein by their absorption curve 118 and their emission (e.g., fluorescence, possibly phosphorescence) curve 119, which are shown in Figures 5D-5F in a schematic, non-limiting manner as triangles.
  • Clearly realistic curves may be used to optimize displays 140 according to the disclosed principles.
  • absorption and emission curves are used herein interchangeably with the terms absorption and emission peaks, respectively, in a non-limiting manner, to refer to complementary spectral characteristics of disclosed dyes 115 and/or 117.
  • Certain embodiments comprise shaping spectral distribution 85 of illumination delivered to RGB filters 86 using fluorescent compound(s) having one or more absorption peaks outside a respective transmission region of one of RGB filters 86 and one or more fluorescence peaks, at least one of which being inside the respective transmission region of the RGB filter.
  • Figure 5D illustrates an example for the R color filter, providing certain embodiments with one assistant dye 117 having an absorption curve 118 outside the transmitted range of the R filter and an intermediate emission curve 119 which partly overlaps absorption curve 118 of RBF compound 115 (in the illustrated case, red- fluorescent RBF compound 115R) to enhance the illumination absorbed thereby.
  • multiple assistant dyes 117 may be used, having a series of absorption and emission curves (each emission curve 119 at least partly overlapping absorption curve 118 of next assistant dye 117 in the series), which form a photon delivery chain from filtered to unfiltered regions of the spectrum.
  • Certain embodiments comprise LCD 140 comprising backlight unit 142 configured to provide illumination 80 and LCD panel 85 receiving illumination 80 from backlight unit 142 and comprising, sequentially with respect to the received illumination: polarizing film 83B, liquid crystal layer 85E, analyzer film 87B, color conversion film 130 (possibly patterned), RGB color filter layer 86, and protective layer 85J, possibly with additional analyzer film 87 between RGB color filter layer 86 and protective layer 85J.
  • Color conversion film 130 may comprise a plurality of fluorescent compounds 115, 117 selected to have, when embedded in color conversion film 130, a series of absorption peaks (or curves) 118 outside a respective transmission region of one of RGB filters 86 and respective series of fluorescence (or phosphorescence) peaks (or curves) 119, one of fluorescence peaks 119 being inside the respective transmission region of RGB filter 86 (e.g., fluorescence peak of RBF compound 115) and at least one other fluorescence peak being intermediate between the fluorescence peak inside the respective transmission region and the absorption peaks, forming a photon delivery chain from filtered to unfiltered regions of the spectrum.
  • a series of absorption peaks (or curves) 118 outside a respective transmission region of one of RGB filters 86 and respective series of fluorescence (or phosphorescence) peaks (or curves) 119 one of fluorescence peaks 119 being inside the respective transmission region of RGB filter 86 (e.g., fluorescence peak of RBF compound
  • Certain embodiments comprise shaping a spectral distribution of illumination 80 delivered to RGB filters 86 of LCD 140 by using at least one fluorescent compound 115 in color conversion film 130, which is selected to have, when embedded in color conversion film 130, absorption peak 118 outside a respective transmission region of one of RGB filters 86 and fluorescence peak 119 inside the respective transmission region of RGB filter 86.
  • certain embodiments comprise LCD 140 comprising backlight unit 142 configured to provide illumination 80 and LCD panel 85 receiving illumination 80 from backlight unit 142 and comprising, sequentially with respect to the received illumination: polarizing film 83B, liquid crystal layer 85E, analyzer film 87B, color conversion film 130 (possibly patterned), RGB color filter layer 86, and protective layer 85J, possibly with additional analyzer film 87 between RGB color filter layer 86 and protective layer 85J.
  • Color conversion film 130 comprises at least one fluorescent compound 115 selected to have, when embedded in color conversion film 130, absorption peak 118 outside a respective transmission region of one of RGB filters 86 and fluorescence peak 119 inside the respective transmission region of RGB filter 86.
  • Certain embodiments comprise shaping a spectral distribution of illumination delivered to RGB filters 86 of LCD 140 by using at least one fluorescent compound 115 and/or at least one assistant dye 117 in color conversion film 130, selected to have, when embedded in color conversion film 130, absorption curve 118 and fluorescence curve 119 selected to re-shape a spectral region of illumination 80 within a respective transmission region of at least one of RGB filters 86 to decrease FWHM (full width at half maximum) of the illumination in the respective transmission region.
  • FWHM full width at half maximum
  • certain embodiments comprise LCD 140 comprising backlight unit 142 configured to provide illumination 80 and LCD panel 85 receiving illumination 80 from backlight unit 142 and comprising, sequentially with respect to the received illumination: polarizing film 83B, liquid crystal layer 85E, analyzer film 87B, color conversion film 130 (possibly patterned), RGB color filter layer 86, and protective layer 85J, possibly with additional analyzer film 87 between RGB color filter layer 86 and protective layer 85J.
  • Color conversion film 130 comprises at least one fluorescent compound 115 and/or at least one assistant dye 117 having, when embedded in color conversion film 130, absorption curve 118 and fluorescence curve 119 - selected to re-shape a spectral region of illumination 80 within a respective transmission region of at least one of RGB filters 86 to decrease FWHM of the illumination in the respective transmission region.
  • modified illumination 80-1 may comprise components 80-l(B), 80-l(G), 80-l(R) in the transmission regions of B, G, R color filters 86, respectively, which are shaped according to requirements by one or more fluorescent compound(s) 115 and/or assistant dye(s) 117, e.g., by removal of spectral sections by absorption (e.g., any of sections 118A(B), 118A(G), possibly also a section in the red section (not shown), respectively) and/or by enhancement of spectral sections by emission (e.g., any of sections 119A(B), 119A(G), 119A(R), respectively) - as disclosed above.
  • fluorescent compound(s) 115 and/or assistant dye(s) 117 e.g., by removal of spectral sections by absorption (e.g., any of sections 118A(B), 118A(G), possibly also a section in the red section (not shown), respectively) and/or by enhancement of spectral sections by emission (
  • LCD 140 may utilize quantum dot technology, e.g., with color conversion film 130 being based on quantum dots. Similar ideas of assistant dyes and green and red enhancement may be applied to quantum-dots-based display.
  • LCD 140 may utilize color conversion films 130 having asymmetric emission spectrum 116.
  • Color conversion film 130 may further comprise one or more fluorescent compound(s) 115 and/or assistant dye(s) 117 selected to reduce a level of asymmetry in an emission spectrum of color conversion film 130.
  • absorption spectrum 118 of assistant dye 117 may be selected to be reversely asymmetric, to reduce the level of asymmetry with spectral regions of RGB color filter(s) 86, e.g., B color filter 86 as illustrated in the non-limiting example.
  • one or more fluorescent compound(s) 115 and/or one or more assistant dye(s) 117 may be used, independently, and/or integrated in color conversion layer(s) 130 (and/or layers 132, 133, 134) and/or integrated in RGB color filters 86 and/or integrated in integrated RGB color filters 186 (having color conversion compounds 115).
  • one or more fluorescent compound(s) 115 and/or one or more assistant dye(s) 117 may be further be used to adjust the white point of LCD display 140, as illustrated e.g., in Figures 3C-3E.
  • a wide range of fluorescent organic molecules may be incorporated in films 130, such as materials of the xanthene dye family like fluorescein, rhodamine derivatives and coumarin family dyes, as well as various inorganic fluorescent materials.
  • rhodamine-based derivatives, RBF compounds 115 are presented in detail, in a non-limiting manner.
  • red-fluorescent RBF compounds 115 defined by the structure of formula (I):
  • R 1 is halide, alkyl, haloalkyl, COOR, N0 2 , COR, COSR, CON(R) 2 , CO(N-heterocycle) or CN;
  • R 2 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M and COOZ;
  • R 3 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, SO3H, SO3M and COOZ;
  • R 4 -R 7 , R 13 -R 16 , R 4' -R 7' andR 13' -R 16' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and
  • R 8 -R 9 , R u -R 12 , R 8' -R 9' andR n' -R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 10 and R 10' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide,N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R is H, haloalkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, - (CH2CH20)rCH2CH 2 OH,-(CH2)pOC(0)NH(CH2) q Si(Oalkyl)3,
  • Z is alkyl, haloalkyl, alkenyl, alkynyl, alkylated epoxide, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH20H,-(CH2)pOC(0)NH(CH 2 ) q Si(Oalkyl)3, -
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • n and m are each independently an integer between 1-4;
  • p and q are each independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion; wherein if there is a double bond between the carbons which are substituted by R 8 , R 8 , R 9 and R 9' - then R 8 and R 9 are absent or R 8 and R 9' are absent or R 8' and R 9 are absent or R 8' and R 9' are absent; and
  • R 11 , R 11 , R 12 and R 12' wherein if there is a double bond between the carbons which are substituted by R 11 , R 11 , R 12 and R 12' - then R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • red-fluorescent RBF compounds 115 defined by the structure of formula (II):
  • R 1 is halide, alkyl, haloalkyl, COOR, N0 2 , COR, COSR, CON(R) 2 , CO(N-heterocycle) or CN;
  • R 2 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M and COOZ;
  • R 3 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, SO3H, SO3M and COOZ;
  • R 4 -R 7 , R 13 -R 16 , R 4' -R 7' andR 13' -R 16' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and
  • R 8 -R 9 , R u -R 12 , R 8' -R 9' andR n' -R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 10 andR 10' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R is H, haloalkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -
  • Z is alkyl, haloalkyl, alkenyl, alkynyl, alkylated epoxide, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH20H,-(CH2)pOC(0)NH(CH 2 ) q Si(Oalkyl)3, -
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • n is an integer between 1-4;
  • p and q are each independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion; wherein if there is double bond between the carbons which are substituted by R 8 , R 8 , R 9 and R 9' - then R 8 and R 9 are absent or R 8 and R 9' are absent or R 8' and R 9 are absent or R 8' and R 9' are absent; and
  • R 11 , R 11 , R 12 and R 12' wherein if there is double bond between the carbons which are substituted by R 11 , R 11 , R 12 and R 12' - then R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • red-fluorescent RBF compounds 115 defined by the structure of formula (III):
  • R 1 is halide, alkyl, haloalkyl, COOR, N0 2 , COR, COSR, CON(R) 2 , CO(N-heterocycle) or CN;
  • R 2 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M and COOZ;
  • R 3 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, SO3H, SO3M and COOZ;
  • R 4 -R 7 , R 13 -R 16 , R 4' -R 7' andR 13' -R 16' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and
  • R 8 -R 9 , R u -R 12 , R 8' -R 9' andR n' -R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 10 andR 10' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R is H, haloalkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -
  • Z is alkyl, haloalkyl, alkenyl, alkynyl, alkylated epoxide, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH20H,-(CH2)pOC(0)NH(CH 2 ) q Si(Oalkyl)3, -
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • n is an integer between 1-4;
  • p and q are each independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion; wherein if there is double bond between the carbons which are substituted by R 8 , R 8 , R 9 and R 9' - then R 8 and R 9 are absent or R 8 and R 9' are absent or R 8' and R 9 are absent or R 8' and R 9' are absent; and
  • R 11 , R 11 , R 12 and R 12' wherein if there is double bond between the carbons which are substituted by R 11 , R 11 , R 12 and R 12' - then R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • red-fluorescent RBF compounds 115 defined by the structure of formula (IV):
  • R 3 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M and COOZ;
  • R 4 -R 7 , R 1 -R 16 , R 4' -R 7' andR 1 ' -R 16' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocyclo alkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 8 -R 9 , R u -R 12 , R 8' -R 9' andR n' -R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 10 andR 10' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R is H, haloalkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -
  • Z is alkyl, haloalkyl, alkenyl, alkynyl, alkylated epoxide, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH20H,-(CH2)pOC(0)NH(CH 2 ) q Si(Oalkyl)3, -
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • n is an integer between 1-4;
  • p and q are each independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • R 8 , R 8 , R 9 and R 9' - then R 8 and R 9 are absent or R 8 and R 9' are absent or R 8' and R 9 are absent or R 8' and R 9' are absent; and wherein if there is double bond between the carbons which are substituted by R 11 , R 11 , R 12 and R 12' - then R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • red-fluorescent RBF compounds 115 defined by the structure of formula (V):
  • R 3 each is independently selected from H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M and COOZ;
  • R 4 -R 7 , R 1 -R 16 , R 4' -R 7' andR 1 ' -R 16' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and
  • R 8 -R 9 , R u -R 12 , R 8' -R 9' andR n' -R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R 10 andR 10' are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , SR, OR, N(R) 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR;
  • R is H, haloalkyl, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -
  • Z 101 is O or C(CH 3 ) 2 ;
  • n is an integer between 1-4;
  • p and q are each independently an integer between 1-6;
  • r is an integer between 0-10;
  • M is a monovalent cation
  • X is an anion
  • R 8 , R 8 , R 9 and R 9' wherein if there is double bond between the carbons which are substituted by R 8 , R 8 , R 9 and R 9' - then R 8 and R 9 are absent or R 8 and R 9' are absent or R 8' and R 9 are absent or R 8' and R 9' are absent; and
  • R 11 , R 11 , R 12 and R 12' wherein if there is double bond between the carbons which are substituted by R 11 , R 11 , R 12 and R 12' - then R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • R 11 and R 12 are absent or R 11 and R 12' are absent or R 11' and R 12 are absent or R 11' and R 12' are absent.
  • Q 1 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q 2 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q > Q 3 Q 15 an d Q 15' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Hetero
  • Q 8 > Q 8 ⁇ > Q 10 an d C 10' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 4 -Q 6 , Q 9 , Q 9 , Q 12 -Q 14 , Q 4 '-Q 6' and Q 12' -Q 14' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q 7 > Q 7 Q 11 and Q 11' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH 2 OH,-
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • s and t are independently an integer between 1-4;
  • p and q are independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • red-fluorescent RBF compounds 115 defined by the structure of formula (VII):
  • Q 1 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q 2 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q > Q 3 Q 15 an d Q 15' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Hetero
  • Q 8 > Q 8 ⁇ > Q 10 an d C 10' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 4 -Q 6 , Q 9 , Q 9 , Q 12 -Q 14 , Q 4 '-Q 6' and Q 12' -Q 14' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q 7 > Q 7 Q 11 an d Q 11 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH 2 OH,-
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • t is an integer between 1-4;
  • p and q are independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • red-fluorescent RBF compounds 115 defined by the structure of formula (VIII):
  • Q 1 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q 2 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q > Q 3 Q 15 an d Q 15' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Hetero
  • Q 8 > Q 8 ⁇ > Q 10 an d C 10' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 4 -Q 6 , Q 9 , Q 9 , Q 12 -Q 14 , Q 4 '-Q 6' and Q 12' -Q 14' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q 7 > Q 7 Q 11 an d Q 11 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH 2 OH,-
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • t is an integer between 1-4;
  • p and q are independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • red-fluorescent RBF compounds 115 defined by the structure of formula (IX):
  • Q 2 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, N0 2 , N(Q) 2 , SO3H, SO3M, SO2Q, S0 2 M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q > Q 3 ⁇ > Q 15 an d Q 15' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 8 > Q 8 ⁇ > Q 10 an d C 10' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 4 -Q 6 , Q 9 , Q 9 , Q 12 -Q 14 , Q 4 '-Q 6' and Q 12' -Q 14' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, NO 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q 7 > Q 7 Q 11 an d Q 11 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, NO2, OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, - ⁇ ⁇ 2 ⁇ 1 ⁇ 20) ⁇ ⁇ 1 ⁇ 2 ⁇ 1 ⁇ 2 ⁇ ,-
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • t is an integer between 1-4;
  • p and q are independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • red-fluorescent RBF compounds 115 defined by the structure of formula (X):
  • Q 2 each is independently selected from H, halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-heterocycle), NO, NO2, N(Q) 2 , SO3H, SO3M, SO2Q, SO2M, SOQ, PO(OH) 2 and OPO(OH) 2 ;
  • Q 15 an d Q 15' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q S Q 10 an d C 10' are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N0 2 , OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N- Heterocycle) and COOQ;
  • Q 4 -Q 6 , Q 9 , Q 9 , Q 12 -Q 14 , Q 4 '-Q 6' and Q 12' -Q 14' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, NO2, OQ, N(Q) 2 , COQ, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ;
  • Q 7 > Q 7 Q 11 an d Q 11 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, NO2, OQ, N(Q) 2 , COQ, CN,
  • Q is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, -(CH 2 CH20)rCH2CH 2 OH,-
  • Z 101 is O or C(CH 3 ) 2 ;
  • M is a monovalent cation
  • t is an integer between 1-4;
  • p and q are independently an integer between 1-6;
  • r is an integer between 0-10;
  • X is an anion
  • red-fluorescent RBF compounds 115 of the invention include compounds represented by the structures below denoted as ES61, JK32 (shown as JK-32A and/or JK-32B), RS56 (shown as RS56A and/or RS56B), RS106, RS130, ESI 18 and ES144.
  • red-fluorescent RBF compounds are presented in more detail in U.S. Patent Application No. 15/252,492 and are considered likewise part of the present disclosure. Non-limiting examples are provided in the following variants, numbered 1-11, 9a, 10a, 11a, 20 and 23-26.
  • Some embodiments of the invention provide green-fluorescent RBF compounds 115 defined by the structure of formula (XI):
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOI QIO2 CON QIO 3 QICH NCO NCS; _ 0 C(0)0Q 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi0 3 Qi ( H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi0 3 Qi ( H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 104 , R 104' , R 108 and R 108' are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • R 105 and R 105' are each independently selected from H, Z', OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, S0 3 " , SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
  • R 106 , R 106' , R 107 and R 107' are each independently selected fromH, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, S0 3 " , SO3M, SO3H, SQ 101 , - N Q i o i Q i o2 CON Qi03Qi (H NCQ NCS; alkeny l, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
  • R 104 and R 105 , R 104' and R 105' , R 104 and R 108 or R 104' and R 108' may form together an N- heterocyclic ring wherein said ring is optionally substituted;
  • Z 101 is O or C(CH 3 ) 2 ;
  • (CH 2 )pOC(0)C(CH3) CH2,-(CH 2 )pSi(Oalkyl)3, -(CH 2 )pOC(0)NH(CH 2 ) q Si(halide)3, - (CH 2 ) P Si(halide)3, -OC(0)N(H)Q 104 , -OC(S)N(H)Q 104 , -N(H)C(O)N(Q 103 ) 2 and - N(H)C(S)N(Q 103 ) 2 ;
  • Q 103 and Q 104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion.
  • Some embodiments of the invention provide green-fluorescent RBF compounds 115 defined by the structure of formula (XII):
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QI OI QIO2 CON QIO3QICH NCO NCS ; _ 0 C(0)0Q 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QI OI QIO2 CON QIO3QICH NCO NCS ; _ 0 C(0)OQ 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi03Qi(H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 104 are R 104 ' are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • R 105 and R 105 ' are each independently selected from H, Z' , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, S0 3 " , S0 3 M, S0 3 H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
  • R 106 , R 106' , R 107 and R 107' are each independently selected fromH, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, S0 3 " , SO3M, SO3H, SQ 101 , - N Q IOI Q IO2 CON Q IO3 Q IO4 ; NCQ NCS; alken yl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
  • R 104 and R 105 or R 104' and R 105' may form together a N-heterocyclic ring wherein said ring is optionally substituted;
  • Z 101 is O or C(CH 3 ) 2 ;
  • (CH2)POC(0)C(CH 3 ) CH 2 , -(CH 2 )pSi(Oalkyl) 3 , -(CH 2 )pOC(0)NH(CH 2 ) q Si(halide)3, - (CH 2 ) P Si(halide)3, -OC(0)N(H)Q 104 , -OC(S)N(H)Q 104 , -N(H)C(O)N(Q 103 ) 2 and - N(H)C(S)N(Q 103 ) 2 ;
  • Q 103 and Q 104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion.
  • Some embodiments of the invention provide green-fluorescent RBF compounds 115 defined by the structure of formula (XIII):
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi03Qi(H NCQ NCS; _ 0 C(0)OQ 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi03Qi(H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOI QIO2 CON QIO3QICH nco NCS; _ 0 C(0)OQ 101 or halide;
  • R 104 are R 104' are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • R 104 and R 105 or R 104' and R 105' may form together a N-heterocyclic ring wherein said ring is optionally substituted;
  • Z 101 is O or C(CH 3 ) 2 ;
  • (CH 2 )POC(0)C(CH 3 ) CH 2 , -(CH 2 )pSi(Oalkyl) 3 , -(CH 2 ) p OC(0)NH(CH 2 ) q Si(halide) 3 , - (CH 2 )pSi(halide) 3 , -OC(0)N(H)Q 104 , -OC(S)N(H)Q 104 , -N(H)C(O)N(Q 103 ) 2 and - N(H)C(S)N(Q 103 ) 2 ;
  • Q 103 and Q 104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion
  • Some embodiments of the invention provide green-fluorescent RBF compounds 115 defined by the structure of formula (XIV):
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOI QIO2 CON QIO 3 QICH NCO NCS ; _ 0 C(0)0Q 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi0 3 Qi ( H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi0 3 Qi ( H NCQ NCS ; _0C(0)0Q 101 or halide;
  • R 104 are R 104 ' are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • R 105 and R 105 ' are each independently selected from H, Z' , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, S0 3 " , S0 3 M, S0 3 H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide and halide;
  • R 104 and R 105 or R 104' and R 105' may form together a N-heterocyclic ring wherein said ring is optionally substituted;
  • Z 101 is O or C(CH 3 ) 2 ;
  • (CH 2 )pOC(0)C(CH 3 ) CH2,-(CH 2 )pSi(Oalkyl) 3 , -(CH 2 )pOC(0)NH(CH 2 ) q Si(halide) 3 , - (CH 2 ) P Si(halide) 3 , -OC(0)N(H)Q 104 , -OC(S)N(H)Q 104 , -N(H)C(O)N(Q 103 ) 2 and - N(H)C(S)N(Q 103 ) 2 ;
  • Q 103 and Q 104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOIQIO2 CON QIO3QIO4 ; NCQ NCS; _ 0 C(0)OQ 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOIQIO2 CON QIO3QICH nco NCS; _ 0 C(0)OQ 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOIQIO2 CON QIO3QIO4 ; nco NCS; _ 0 C(0)OQ 101 or halide;
  • R 104 are R 104 ' are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • Z 101 is O or C(CH 3 ) 2 ;
  • Q 103 and Q 104 are each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion
  • Some embodiments of the invention provide green-fluorescent RBF compounds 115 defined by the structure of formula (XVI):
  • R 101 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOIQIO2 CON QIO3QIO4 ; nco NCS; _ 0 C(0)0Q 1 or halide;
  • R 102 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QioiQio2 CON Qi03Qi ( H NCQ NCS; _0C(0)0Q 101 or halide;
  • R 103 each is independently H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , - N QIOIQIO2 CON QIO3QIO4 ; NCQ NCS ; _0C(0)0Q 101 or halide;
  • Z 101 is O or C(CH 3 ) 2 ;
  • Q 103 is each independently selected from H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl and benzyl;
  • M is a monovalent cation
  • n, m and 1 are independently an integer between 1-5;
  • p and q are independently an integer between 1-6;
  • X is an anion
  • green-fluorescent RBF compounds 115 of the invention include compounds represented by the structures below, denoted as JK71 and RS285.
  • alkyl refers, in some embodiments, to a saturated aliphatic hydrocarbon, including straight-chain or branched-chain.
  • alkyl is linear or branched.
  • alkyl is optionally substituted linear or branched.
  • alkyl is methyl.
  • alkyl is ethyl.
  • the alkyl group has 1-20 carbons.
  • the alkyl group has 1-8 carbons.
  • the alkyl group has 1-7 carbons.
  • the alkyl group has 1-6 carbons.
  • non- limiting examples of alkyl groups include methyl, ethyl, propyl, isobutyl, butyl, pentyl or hexyl.
  • the alkyl group has 1-4 carbons.
  • the alkyl group may be optionally substituted by one or more groups selected from halide, hydroxy, alkoxy, carboxylic acid, aldehyde, carbonyl, amido, cyano, nitro, amino, alkenyl, alkynyl, aryl. azide, epoxide, ester, acyl chloride and thiol.
  • a "cycloalkyl” group refers, in some embodiments, to a ring structure comprising carbon atoms as ring atoms, which are saturated, substituted or unsubstituted.
  • the cycloalkyl is a 3-12 membered ring.
  • the cycloalkyl is a 6 membered ring.
  • the cycloalkyl is a 5-7 membered ring.
  • the cycloalkyl is a 3-8 membered ring.
  • the cycloalkyl group may be unsubstituted or substituted by a halogen, alkyl, haloalkyl, hydroxyl, alkoxy, carbonyl, amido, alkylamido, dialkylamido, cyano, nitro, CO2H, amino, alkylamino, dialkylamino, carboxyl, thio and/or thioalkyl.
  • the cycloalkyl ring may be fused to another saturated or unsaturated 3-8 membered ring.
  • the cycloalkyl ring is an unsaturated ring.
  • Non limiting examples of a cycloalkyl group comprise cyclohexyl, cyclohexenyl, cyclopropyl, cyclopropenyl, cyclopentyl, cyclopentenyl, cyclobutyl, cyclobutenyl, cycloctyl, cycloctadienyl (COD), cycloctaene (COE) etc.
  • a "heterocycloalkyl” group refers in some embodiments, to a ring structure of a cycloalkyl as described herein comprising in addition to carbon atoms, sulfur, oxygen, nitrogen or any combination thereof, as part of the ring.
  • non-limiting examples of heterocycloalkyl include pyrrolidine, pyrrole, tetrahydrofuran, furan, thio lane, thiophene, imidazole, pyrazole, pyrazolidine, oxazolidine, oxazole, isoxazole, thiazole, isothiazole, thiazolidine, dioxolane, dithiolane, triazole, furazan, oxadiazole, thiadiazole, dithiazole, tetrazole, piperidine, oxane, thiane, pyridine, pyran, thiopyran, piperazine, morpholine, thiomorpholine, dioxane, dithiane, diazine, oxazine, thiazine, dioxine, triazine, and trioxane.
  • aryl refers to any aromatic ring that is directly bonded to another group and can be either substituted or unsubstituted.
  • the aryl group can be a sole substituent, or the aryl group can be a component of a larger substituent, such as in an arylalkyl, arylamino, arylamido, etc.
  • Exemplary aryl groups include, without limitation, phenyl, tolyl, xylyl, furanyl, naphthyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, triazinyl, thiazolyl, oxazolyl, isooxazolyl, pyrazolyl, imidazolyl, thiophene-yl, pyrrolyl, phenylmethyl, phenylethyl, phenylamino, phenylamido, etc.
  • Substitutions include but are not limited to: F, CI, Br, I, C1-C5 linear or branched alkyl, C1-C5 linear or branched haloalkyl, C1-C5 linear or branched alkoxy, C1-C5 linear or branched haloalkoxy, CF3, CN, NO2, - CH 2 CN, NH 2 , NH-alkyl, N(alkyl) 2 , hydroxyl, -OC(0)CF 3 , -OCH 2 Ph, -NHCO-alkyl, COOH, -C(0)Ph, C(0)0-alkyl, C(0)H, or - or -C(0)NH 2 .
  • N-heterocycle refers to in some embodiments, to a ring structure comprising in addition to carbon atoms, a nitrogen atom, as part of the ring.
  • the N- heterocycle is a 3-12 membered ring.
  • the N-heterocycle is a 6 membered ring.
  • the N-heterocycle is a 5-7 membered ring.
  • the N-heterocycle is a 3-8 membered ring.
  • the N-heterocycle group may be unsubstituted or substituted by a halogen, alkyl, haloalkyl, hydroxyl, alkoxy, carbonyl, amido, alkylamido, dialkylamido, cyano, nitro, C0 2 H, amino, alkylamino, dialkylamino, carboxyl, thio and/or thioalkyl.
  • the heterocycle ring may be fused to another saturated or unsaturated cycloalkyl or heterocyclic 3-8 membered ring.
  • the N-heterocyclic ring is a saturated ring.
  • the N-heterocyclic ring is an unsaturated ring.
  • Non limiting examples of N-heterocycle comprise pyridine, piperidine, morpholine, piperazine, pyrrolidine, pyrrole, imidazole, pyrazole, pyrazolidine, triazole, tetrazole, piperazine, diazine, or triazine.
  • halide refers to any substituent of the halogen group (group 17).
  • halide is fluoride, chloride, bromide or iodide.
  • halide is fluoride.
  • halide is chloride.
  • halide is bromide.
  • halide is iodide.
  • haloalkyl is partially halogenated. In another embodiment haloalkyl is perhalogenated (completely halogenated, no C-H bonds). In another embodiment, haloalkyl refers to alkyl, alkenyl, alkynyl or cycloalkyl substituted with one or more halide atoms. In another embodiment, haloalkyl is CH2CF3. In another embodiment, haloalkyl is CH2CCI3. In another embodiment, haloalkyl is CH 2 CBr3. In another embodiment, haloalkyl is CH2CI3. In another embodiment, haloalkyl is CF2CF3. In another embodiment, haloalkyl is CH2CH2CF3. In another embodiment, haloalkyl is CH2CF2CF3. In another embodiment, haloalkyl is CF2CF3. In another embodiment, haloalkyl is CF2CF2.
  • the carbon-carbon double bond is found in one terminal of the alkenyl group.
  • the carbon-carbon double bond is found in the middle of the alkenyl group.
  • more than one carbon-carbon double bond is found in the alkenyl group.
  • three carbon-carbon double bonds are found in the alkenyl group.
  • four carbon-carbon double bonds are found in the alkenyl group.
  • five carbon-carbon double bonds are found in the alkenyl group.
  • the alkenyl group comprises a conjugated system of adjacent alternating single and double carbon-carbon bonds.
  • the alkenyl group is a cycloalkenyl, wherein "cycloalkenyl" refers to a cycloalkyl comprising at least one double bond.
  • alkynyl refers to any alkyl group wherein at least one carbon-carbon triple bond (C ⁇ C) is found.
  • the carbon-carbon triple bond is found in one terminal of the alkynyl group.
  • the carbon-carbon triple bond is found in the middle of the alkynyl group.
  • more than one carbon-carbon triple bond is found in the alkynyl group.
  • three carbon-carbon triple bonds are found in the alkynyl group.
  • four carbon-carbon triple bonds are found in the alkynyl group.
  • five carbon-carbon triple bonds are found in the alkynyl group.
  • the alkynyl group comprises a conjugated system.
  • the conjugated system is of adjacent alternating single and triple carbon-carbon bonds.
  • the conjugated system is of adjacent alternating double and triple carbon-carbon bonds.
  • the alkynyl group is a cycloalkynyl, wherein "cycloalkynyl" refers to a cycloalkyl comprising at least one triple bond.
  • alkylated azide refers to any alkylated substituent comprising an azide group (-N3).
  • the azide is in one terminal of the alkyl.
  • the alkyl is a cycloalkyl.
  • the alkyl is an alkenyl.
  • the alkyl is an alkynyl.
  • the epoxide is monoalkylated.
  • alkylated epoxide refers to any alkylated substituent comprising an epoxide group (a 3 membered ring consisting of oxygen and two carbon atoms).
  • the epoxide group is in the middle of the alkyl.
  • the epoxide group is in one terminal of the alkyl.
  • the alkyl is a cycloalkyl.
  • the alkyl is an alkenyl.
  • the alkyl is an alkynyl.
  • the epoxide is monoalkylated.
  • the epoxide is dialkylated.
  • M is a monovalent cation.
  • non- limiting examples of M include alkali metal cations, NH4 "1" , N(Q 3 ) 4 + , and P(Q 3 ) 4 + .
  • M is Li + .
  • M is Na + .
  • M is K + .
  • M is Rb + .
  • M is Cs + .
  • non-limiting examples of the quarternary ammonium cation, N(Q 3 ) 4 + include tetrametylammonium, tetraethylammonium, tetrabutylammonium, tetraoctylammonium, trimethyloctylammonium and cetyltrimethylammonium.
  • non-limiting examples of the quarternary phosphonium cation, P(Q 3 ) 4 + include tetraphenylphosphonium, dimethyldiphenylphosphonium, tetrabutylphosphonium, methyltriphenoxyphosphonium and tetramethylphosphonium.
  • Z 101 is O or C(CH 3 )2. In another embodiment, Z 101 is O. In another embodiment, Z 101 is C(CH 3 )2.
  • Z is an alkyl. In another embodiment, Z is an alkenyl. In another embodiment, Z is an alkynyl. In another embodiment, Z is a haloalkyl. In another embodiment, Z is an alkylated epoxide. In another embodiment, Z is a cycloalkyl. In another embodiment, Z is a heterocycloalkyl. In another embodiment, Z is an aryl. In another embodiment, Z is a benzyl. In another embodiment, Z is -(CH2) P OC(0)NH(CH 2 )qSi(Oalkyl) 3 . In another embodiment, Z is -(CH2)20C(0)NH(CH2) 3 Si(OEt) 3 .
  • (CH 2 )POC(0)C(CH 3 ) CH 2 , -(CH 2 ) P Si(halide) 3 , alkenyl, alkynyl, alkylated epoxide, alkylated azide or azide wherein p is an integer between 1 -6, q is an integer between 1 -6 r is an integer between 0-10 and alkyl, haloalkyl, alkenyl, alkynyl, alkylated epoxide, , alkylated azide, cycloalkyl, heterocycloalkyl, aryl and halide are as defined herein above.
  • R is H.
  • R is an alkyl.
  • R is haloalkyl.
  • R is - (CH 2 ) p OC(0)NH(CH 2 ) q Si(halide) 3 .
  • R is, -(CH 2 ) p Si(halide) 3 .
  • R is alkenyl.
  • R is alkynyl.
  • R is alkylated epoxide.
  • R is an alkylated azide.
  • R is an azide.
  • R 1 is halide, alkyl, haloalkyl, COOZ, N0 2 , COR, COSR, CON(R) 2 , or CN, wherein halide, alkyl, haloalkyl, Z and R are as defined herein above.
  • R 1 is halide.
  • R 1 is alkyl.
  • R 1 is haloalkyl.
  • R 1 is COOZ.
  • R 1 is N0 2 .
  • R 1 is COR.
  • R 1 is COSR.
  • R 1 is CON(R) 2 .
  • R 1 is CO(N-heterocycle).
  • R 1 is CN.
  • R 2 is H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- heterocycle), NCO, NCS, OR, SR, S0 3 H, SO3M or COOZ, wherein halide, R, N- heterocycle and M are as defined herein above.
  • R 2 is H.
  • R 2 is halide.
  • R 2 is N(R) 2 .
  • R 2 is COR.
  • R 2 is CN.
  • R 2 is CON(R) 2 .
  • R 2 is CO(N-heterocycle).
  • R 2 is NCO.
  • R 2 is NCS.
  • R 2 is OR.
  • R 2 is SR.
  • R 2 is SO3H.
  • R 2 is SO3M.
  • R 2 is COOZ.
  • R 3 is H, halide, N(R) 2 , COR, CN, CON(R) 2 , CO(N- Heterocycle), NCO, NCS, OR, SR, SO3H, SO3M or COOZ, wherein halide, R, N- heterocycle and M are as defined herein above.
  • R 3 is H.
  • R 3 is halide.
  • R 3 is N(R) 2 .
  • R 3 is COR.
  • R 3 is CN.
  • R 3 is CON(R) 2 .
  • R 3 is CO(N-heterocycle).
  • R 3 is NCO.
  • R 3 is NCS.
  • R 3 is OR.
  • R 3 is SR.
  • R 3 is SO3H.
  • R 3 is SO3M.
  • R 3 is COOZ.
  • R 4 , R 4 , R 16 , R 16 are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, SR, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , N0 2 , COR, CN, CON(R) 2 , CO(N- heterocycle) and COOR, wherein alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, R, cycloalkyl, heterocycloalkyl, aryl, halide and N-heterocycle are as defined herein above.
  • R 4 , R 4 , R 16 and/or R 16 is H. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is alkyl. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is alkenyl. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is alkynyl. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is epoxide. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is alkylated epoxide. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is azide.
  • R 4 , R 4 , R 16 and/or R 16 is SR. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is cycloalkyl. In another embodiment, R 4 , R 4 , R 16 and/or R 16 is heterocycloalkyl. In another embodiment, R 4 , R 4 ', R 16 and/or R 16 is aryl. In another embodiment, R 4 , R 4 ', R 16 and/or R 16 is benzyl. In another embodiment, R 4 , R 4 ', R 16 and/or R 16 is halide. In another embodiment, R 4 , R 4 ', R 16 and/or R 16 is N(R) 2 .
  • R 4 R 4 ', R 16 or R 16 is NO2. In another embodiment, R 4 , R 4 ', R 16 and/or R 16' is COR. In another embodiment, R 4 R 4 ', R 9 , R 9 , R 11 , R 11 ' , R 16 and/or R 16' is CN. In another embodiment, R 4 R 4 ', R 16 and/or R 16' is CON(R) 2 . In another embodiment, R 4 R 4 ', R 16 and/or R 16 is CO(N-heterocycle). In another embodiment, R 4 R 4 ', R 16 and/or R 16' is COOR.
  • R 5 , R 5 , R 15 , R 15 are each independently selected from H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, SR, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , N0 2 , COR, CN, CON(R) 2 , CO(N- heterocycle) and COOR, wherein alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, R, cycloalkyl, heterocycloalkyl, aryl, halide and N-heterocycle are as defined herein above.
  • R 5 , R 5 , R 15 and/or R 15 is H. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is alkyl. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is alkenyl. In another embodiment, R 5 , R 5' , R 8 , R 8 , R 12 , R 12' , R 15 and/or R 15' is alkynyl. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is epoxide. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is alkylated epoxide.
  • R 5 , R 5 , R 15 and/or R 15 is azide. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is SR. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is cycloalkyl. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is heterocycloalkyl. In another embodiment, R 5 , R 5' , R 8 , R 8' , R 12 , R 12' , R 15 and/or R 15' is aryl. In another embodiment, R 5 , R 5 , R 15 and/or R 15 is benzyl.
  • R 5 , R 5' , R 15 and/or R 15' is halide. In another embodiment, R 5 , R 5' , R 15 and/or R 15' is N(R) 2 . In another embodiment, R 5 , R 5 , R 15 and/or R 15 is N0 2 . In another embodiment, R 5 , R 5 , R 8 , R 8' , R 12 , R 12' , R 15 and/or R 15' is COR. In another embodiment, R 5 , R 5' , R 15 and/or R 15' is CN. In another embodiment, R 5 , R 5 , R 15 and/or R 15' is CON(R) 2 . In another embodiment, R 5 , R 5 , R 15 and/or R 15 is CO(N-heterocycle). In another embodiment, R 5 , R 5' , R 15 and/or R 15' is COOR.
  • R 6 , R 6' , R 7 , R r , R 13 , R 13 , R 14 , R 14' are each independently selected from is H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, SR, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , NO2, COR, CN, CON(R) 2 , CO(N-Heterocycle) and COOR, wherein alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, R, cycloalkyl, heterocycloalkyl, aryl, halide and N-heterocycle are as defined herein above.
  • R 6 , R 6 , R 7 , R 7 , R 13 , R 13 , R 14 and/or R 14 is H. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is alkyl. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is alkenyl. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is alkynyl.
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is epoxide. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is alkylated epoxide. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is azide. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is SR.
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is cycloalkyl. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is heterocycloalkyl. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is aryl. In another embodiment, R 6 , R 6 , R 7 , R 7 , R 13 , R 13 , R 14 and/or R 14 is benzyl.
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is halide. In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is N(R) 2 . In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is N0 2 . In another embodiment, R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is COR.
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is CN.
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is CON(R) 2 .
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is CO(N-heterocycle).
  • R 6 , R 6' , R 7 , R 7' , R 13 , R 13' , R 14 and/or R 14' is COOR.
  • R 8 , R 8 , R 9 , R 9 , R 11 , R 11 ' , R 12 and/or R 12' are each independently selected from absent, H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, azide, SR, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , NO2, COR, CN, CON(R) 2 , CO(N-heterocycle) and COOR, wherein alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, R, cycloalkyl, heterocycloalkyl, aryl, halide and N-heterocycle are as defined herein above.
  • R 8 , R 8 , R 9 , R 9 , R 11 , R 11 , R 12 and/or R 12 are absent.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' are H.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' are alkyl.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' are alkenyl.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' are alkynyl. In another embodiment, R 8 , R 8 , R 9 , R 9 , R 11 , R 11' , R 12 and/or R 12' are epoxide. In another embodiment, R 8 , R 8 , R 9 , R 9 , R 11 , R 11 , R 12 and/or R 12 are alkylated epoxide. In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' are azide.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' are SR.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is cycloalkyl.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' is heterocycloalkyl.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is aryl.
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' is benzyl. In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is halide. In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is N(R) 2 . In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is N0 2 .
  • R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is COR. In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' is CN. In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' is CON(R) 2 . In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11' , R 12 and/or R 12' is CO(N- heterocycle). In another embodiment, R 8 , R 8' , R 9 , R 9' , R 11 , R 11 ' , R 12 and/or R 12' is COOR.
  • R 10 is H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, SR, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , N0 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) or COOR, wherein alkyl, alkenyl, alkynyl, alkylated epoxide, alkylated azide, R, cycloalkyl, heterocycloalkyl, aryl, halide, M and N-heterocycle are as defined herein above.
  • R 10 is H. In another embodiment, R 10 is alkyl. In another embodiment, R 10 is alkenyl. In another embodiment, R 10 is alkynyl. In another embodiment, R 10 is epoxide. In another embodiment, R 10 is alkylated epoxide. In another embodiment, R 10 is alkylated azide. In another embodiment, R 10 is azide. In another embodiment, R 10 is SO3H. In another embodiment, R 10 is SO3M. In another embodiment, R 10 is SR. In another embodiment, R 10 is cycloalkyl. In another embodiment, R 10 is alkyl. In another embodiment, R 10 is heterocycloalkyl. In another embodiment, R 10 is aryl.
  • R 10 is benzyl. In another embodiment, R 10 is halide. In another embodiment, R 10 is N(R) 2 . In another embodiment, R 10 is N0 2 . In another embodiment, R 10 is COR. In another embodiment, R 10 is CN. In another embodiment, R 10 is CON(R) 2 . In another embodiment, R 10 is CO(N-heterocycle). In another embodiment, R 10 is COOR.
  • R 10 is H, alkyl, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide, SO3H, SO3M, SR cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(R) 2 , N0 2 , COR, CN, CON(R) 2 , CO(N-heterocycle) or COOR, wherein alkyl, alkenyl, alkynyl, alkylated epoxide, alkylated azide, R, cycloalkyl, heterocycloalkyl, aryl, halide, M and N-heterocycle are as defined herein above.
  • R 10 is H. In another embodiment, R 10 is alkyl. In another embodiment, R 10 is cycloalkyl. In another embodiment, R 10 is alkyl. In another embodiment, R 10 is alkenyl. In another embodiment, R 10 is alkynyl. In another embodiment, R 10 is epoxide. In another embodiment, R 10 is alkylated epoxide. In another embodiment, R 10 is alkylated azide. In another embodiment, R 10 is azide. In another embodiment, R 10 is SO3H. In another embodiment, R 10 is SO3M. In another embodiment, R 10 is SR. In another embodiment, R 10 is heterocycloalkyl. In another embodiment, R 10 is aryl.
  • R 10 is benzyl. In another embodiment, R 10 is halide. In another embodiment, R 10 is N(R) 2 . In another embodiment, R 10 is NO2. In another embodiment, R 10 is COR. In another embodiment, R 10' , is CN. In another embodiment, R 10' , is CON(R) 2 . In another embodiment, R 10 is CO(N-heterocycle). In another embodiment, R 10 , is COOR.
  • Q 1 is halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ,OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-Heterocycle), NO, N0 2 ,N(Q) 2 , SO3H, SO3M, SO2Q, SO2M, SOQ, PO(OH) 2 or OPO(OH) 2 , wherein halide, haloalkyl, Q, N-heterocycle and M are as defined herein above.
  • Q 1 is halide. In another embodiment, Q 1 is halogenated alkyl. In another embodiment, Q 1 is tosylate. In another embodiment, Q 1 is mesylate. In another embodiment, Q 1 is SO2NHQ. In another embodiment, Q 1 is triflate. In another embodiment, Q 1 is isocyante. In another embodiment, Q 1 is cyanate. In another embodiment, Q 1 is thiocyanate. In another embodiment, Q 1 is isothiocyanate. In another embodiment, Q 1 is COQ. In another embodiment, Q 1 is COC1. In another embodiment, Q 1 is COOCOQ. In another embodiment, Q 1 is COOQ. In another embodiment, Q 1 is OCOQ. In another embodiment, Q 1 is OCONHQ.
  • Q 1 is NHCOOQ. In another embodiment, Q 1 is NHCONHQ. In another embodiment Q 1 is OCOOQ. In another embodiment, Q 1 is CN. In another embodiment, Q 1 is CON(Q) 2 . In another embodiment, Q 1 is CO(N-heterocycle). In another embodiment, Q 1 is NO. In another embodiment, Q 1 is NO2. In another embodiment, Q 1 is N(Q) 2 . In another embodiment, Q 1 is SO3H. In another embodiment, Q 1 is SO3M. In another embodiment, Q 1 is SO2Q. In another embodiment, Q 1 is SO2M. In another embodiment, Q 1 is SOQ. In another embodiment, Q 1 is PO(OH)2. In another embodiment, Q 1 is OPO(OH)2.
  • Q 2 is halide, haloalkyl, tosylate, mesylate, SO2NHQ, triflate, isocyante, cyanate, thiocyanate, isothiocyanate, COQ, COC1, COOCOQ, COOQ, OCOQ, OCONHQ, NHCOOQ, NHCONHQ, OCOOQ, CN, CON(Q) 2 , CO(N-Heterocycle), NO, N0 2 ,N(Q) 2 , SO3H, SO3M, SO2Q, SO2M, SOQ, PO(OH) 2 or OPO(OH) 2 , wherein halide, haloalkyl, Q, N-heterocycle and M are as defined herein above.
  • Q 2 is halide. In another embodiment, Q 2 is halogenated alkyl. In another embodiment, Q 2 is tosylate. In another embodiment, Q 2 is mesylate. In another embodiment, Q 2 is SO2NHQ. In another embodiment, Q 2 is triflate. In another embodiment, Q 2 is isocyante. In another embodiment, Q 2 is cyanate. In another embodiment, Q 2 is thiocyanate. In another embodiment, Q 2 is isothiocyanate. In another embodiment, Q 2 is COQ. In another embodiment, Q 2 is COC1. In another embodiment, Q 2 is COOCOQ. In another embodiment, Q 2 is COOQ. In another embodiment, Q 2 is OCOQ. In another embodiment, Q 2 is OCONHQ.
  • Q 2 is NHCOOQ. In another embodiment, Q 2 is NHCONHQ. In another embodiment Q 2 is OCOOQ. In another embodiment, Q 2 is CN. In another embodiment, Q 2 is CON(Q)2. In another embodiment, Q 2 is CO(N-Heterocycle). In another embodiment, Q 2 is NO. In another embodiment, Q 2 is NO2. In another embodiment, Q 2 is N(Q) 2 . In another embodiment, Q 2 is SO3H. In another embodiment, Q 2 is SO3M. In another embodiment, Q 2 is SO2Q. In another embodiment, Q 2 is SO2M. In another embodiment, Q 2 is SOQ. In another embodiment, Q 2 is PO(OH) 2 . In another embodiment, Q 2 is OPO(OH) 2 .
  • Q 3 , Q 3 , Q 15 and/or Q 15 are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , NO2, COR, CN, CON(Q)2, CO(N-heterocycle) and COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 3 , Q 3 , Q 15 and/or Q 15 is H.
  • Q 3 , Q 3 , Q 15 and/or Q 15 is alkyl.
  • Q 3 , Q 3 , Q 15 and/or Q 15 is cycloalkyl. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is alkyl. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is heterocycloalkyl. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is aryl. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is benzyl. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is halide. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 is N(Q) 2 .
  • Q 3 , Q 3 , Q 15 and/or Q 15 is NO2. In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15' is COQ. In another embodiment, Q 3 , Q 3' , Q 15 and/or Q 15' is CN. In another embodiment, Q 3 , Q 3' , Q 15 and/or Q 15' , is CON(Q) 2 . In another embodiment, Q 3 , Q 3' , Q 15 and/or Q 15 is CO(N-heterocycle). In another embodiment, Q 3 , Q 3 , Q 15 and/or Q 15 , is COOQ.
  • Q 4 , Q 4 , Q 14 , and/or Q 14 are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , NO2, COR, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 4 , Q 4 , Q 14 and/or Q 14 is H.
  • Q 4 , Q 4 , Q 14 and/or Q 14 is alkyl.
  • Q 4 , Q 4 , Q 14 and/or Q 14 is cycloalkyl. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is alkyl. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is heterocycloalkyl. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is aryl. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is benzyl. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is halide. In another embodiment, Q 4 , Q 4 , Q 14 and/or Q 14 is N(Q) 2 .
  • Q 4 , Q 4' , Q 14 and/or Q 14' is N0 2 .
  • Q 4 is COQ.
  • Q 4 , Q 4 , Q 14 and/or Q 14 is CN.
  • Q 4 , Q 4 , Q 14 and/or Q 14' is CON(Q) 2 .
  • Q 4 , Q 4' , Q 14 and/or Q 14' is CO(N- heterocycle).
  • Q 4 , Q 4 , Q 14 and/or Q 14 is COOQ.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' are each independently selected from H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , NO2, COR, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is H.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is alkyl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is cycloalkyl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is alkyl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is heterocycloalkyl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is aryl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is benzyl.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is halide.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is N(Q) 2 .
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is N0 2 .
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is COQ.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is CN.
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is CON(Q) 2 .
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is CO(N-heterocycle).
  • Q 5 , Q 5' , Q 6 , Q 6' , Q 12 , Q 12' , Q 13 and/or Q 13' is COOQ.
  • Q 7 , Q 7 , Q 11 , and/or Q 11 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , N0 2 , COR, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 7 , Q 7 , Q 11 , and/or Q 11 is absent.
  • Q 7 , Q 7 , Q 11 , and/or Q 11 is H. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is alkyl. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is cycloalkyl. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is alkyl. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is heterocycloalkyl. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is aryl. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is benzyl.
  • Q 7 , Q 7 , Q 11 , and/or Q 11 is halide. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is N(Q) 2 . In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 ' is N0 2 . In another embodiment, Q 7 , Q 7' , Q 11 , and/or Q 11 ' is COQ. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is CN. In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11' is CON(Q) 2 . In another embodiment, Q 7 , Q 7' , Q 11 , and/or Q 11' is CO(N- heterocycle). In another embodiment, Q 7 , Q 7 , Q 11 , and/or Q 11 is COOQ.
  • Q 8 , Q 8 , Q 10 and/or Q 10 are each independently selected from absent, H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 ,N0 2 , COR, CN, CON(Q) 2 , CO(N-heterocycle) and COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 8 , Q 8 , Q 10 and/or Q 10 is absent.
  • Q 8 , Q 8 , Q 10 and/or Q 10 is H.
  • Q 8 , Q 8 , Q 10 and/or Q 10 is alkyl. In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is cycloalkyl. In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is alkyl. In another embodiment, Q 8 , Q 8 , Q 10 and/or Q 10 is heterocycloalkyl. In another embodiment, Q 8 , Q 8 , Q 10 and/or Q 10 is aryl. In another embodiment, Q 8 , Q 8 , Q 10 and/or Q 10 is benzyl. In another embodiment, Q 8 , Q 8 , Q 10 and/or Q 10 is halide.
  • Q 8 , Q 8' , Q 10 and/or Q 10' is N(Q) 2 . In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is NO2. In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is COQ. In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is CN. In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is CON(Q) 2 . In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' is CO(N-heterocycle). In another embodiment, Q 8 , Q 8' , Q 10 and/or Q 10' , is COOQ.
  • Q 9 is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , N0 2 , COR, CN, CON(Q) 2 , CO(N-Heterocycle) or COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 9 is H.
  • Q 9 is alkyl.
  • Q 9 is cycloalkyl.
  • Q 9 is alkyl.
  • Q 9 is heterocycloalkyl.
  • Q 9 is aryl. In another embodiment, Q 9 is benzyl. In another embodiment, Q 9 is halide. In another embodiment, Q 9 is N(Q) 2 . In another embodiment, Q 9 is N0 2 . In another embodiment, Q 9 is COQ. In another embodiment, Q 9 is CN. In another embodiment, Q 9 is CON(Q) 2 . In another embodiment, Q 9 is CO(N-heterocycle). In another embodiment, Q 9 is COOQ.
  • Q 9 is H, alkyl, cycloalkyl, heterocycloalkyl, aryl, benzyl, halide, N(Q) 2 , N0 2 , COR, CN, CON(Q) 2 , CO(N-heterocycle), COOQ, wherein alkyl, cycloalkyl, heterocycloalkyl, aryl, halide, Q and N-heterocycle are as defined herein above.
  • Q 9 is H.
  • Q 9 is alkyl.
  • Q 9 is cycloalkyl.
  • Q 9 is alkyl.
  • Q 9 is heterocycloalkyl.
  • Q 9 is aryl. In another embodiment, Q 9 is benzyl. In another embodiment, Q 9 is halide. In another embodiment, Q 9 is N(Q) 2 . In another embodiment, Q 9 is N0 2 . In another embodiment, Q 9 is COQ. In another embodiment, Q 9 is CN. In another embodiment, Q 9 , is CON(Q) 2 . In another embodiment, Q 9 is CO(N-heterocycle). In another embodiment, Q 9 is COOQ.
  • Q 103 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl, wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl and aryl are as defined herein above.
  • Q 103 is H.
  • Q 103 is alkyl.
  • Q 103 is fluorinated alkyl.
  • Q 103 is heterocycloalkyl.
  • Q is cycloalkyl.
  • Q is aryl.
  • Q 103 is benzyl.
  • Q 104 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl, wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl and aryl are as defined herein above.
  • Q 104 is H.
  • Q 4 is alkyl.
  • Q 104 is fluorinated alkyl.
  • Q 104 is heterocycloalkyl.
  • Q 104 is cycloalkyl.
  • Q 104 is aryl.
  • Q 104 is benzyl.
  • R 101 is H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , -NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, -OC(0)OQ 101 or halide, wherein Q 101 , Q 102 Q 103 and Q 104 are as defined herein above.
  • R 101 is H.
  • R 101 is Q 101 .
  • R 101 is OQ 101 .
  • R 101 is C(0)Q 101 .
  • R 101 is NQ 101 Q 102 .
  • R 101 is N0 2 .
  • R 101 is CN.
  • R 101 is SQ 101 . In another embodiment, R 101 is -NQ 101 Q 102 CONQ 103 Q 104 . In another embodiment, R 101 is NCO. In another embodiment, R 101 is NCS. In another embodiment, R 101 is -OC(0)OQ 101 . In another embodiment, R 101 is halide.
  • R 102 is H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN,SQ 101 , -NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, -OC(0)OQ 101 or halide, wherein Q 101 , Q102 Q103 an( j Qi04 are as d e f mec i herein above.
  • R 102 is H.
  • R 102 is Q 101 .
  • R 102 is OQ 101 .
  • R 102 is C(0)Q 101 .
  • R 102 is NQ 101 Q 102 .
  • R 102 is N0 2 . In another embodiment, R 102 is CN. In another embodiment, R 102 is SQ 101 . In another embodiment R 102 is -NQ 101 Q 102 CONQ 103 Q 104 . In another embodiment, R 102 is NCO. In another embodiment, R 102 is NCS. In another embodiment, R 102 is -OC(0)OQ 101 . In another embodiment, R 102 is halide.
  • R 103 is H, Q 101 , OQ 101 , C(0)Q 101 , NQ 101 Q 102 , N0 2 , CN, SQ 101 , -NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, -OC(0)OQ 101 or halide, wherein Q 101 , Q 102 Q 103 and Q 104 are as defined herein above.
  • R 103 is H.
  • R 103 is Q 101 .
  • R 103 is OQ 101 .
  • R 103 is C(0)Q 101 .
  • R 103 is NQ 101 Q 102 .
  • R 103 is N0 2 .
  • R 103 is CN. In another embodiment, R 103 is SQ 101 . In another embodiment R 103 is -NQ 101 Q 102 CONQ 103 Q 104 . In another embodiment, R 103 is NCO. In another embodiment, R 103 is NCS. In another embodiment, R 103 is -OC(0)OQ 101 . In another embodiment, R 103 is halide.
  • R 104 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl, wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl are as defined herein above.
  • R 104 is H.
  • R 104 is alkyl.
  • R 104 is haloalkyl.
  • R 104 is heterocycloalkyl.
  • R 104 is cycloalkyl.
  • R 104 is aryl.
  • R 104 is benzyl.
  • R 104 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl are as defined herein above.
  • R 104 is H.
  • R 104 is alky.
  • R 104 is haloalkyl.
  • R 104 is heterocycloalkyl.
  • R 104 is cycloalkyl.
  • R 104 is aryl.
  • R 104 is benzyl.
  • (CH2)pOC(0)C(CH 3 ) CH 2 .
  • Z' is -(CH 2 )pSi(halide) 3 .
  • Z' is -OC(0)N(H)Q 1U4 .
  • Z' is -OC(S)N(H)Q ltM
  • Z' is -N(H)C(O)N(Q 103 )2.
  • Z' is - N(H)C(S)N(Q 103 ) 2 .
  • R 105 is H, Z', OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3-, SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Z' , Q 101 , Q 102 , Q 103 ,Q 104 , M, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 105 is H. In another embodiment, R 105 is Z'. In another embodiment, R 105 is OQ 101 . In another embodiment, R 105 is C(0)Q 101 . In another embodiment, R 105 is COOQ 101 . In another embodiment, R 105 is CON(Q 101 ) 2 . In another embodiment, R 105 is NQ 101 Q 102 . In another embodiment, R 105 is N0 2 . In another embodiment, R 105 is CN. In another embodiment, R 105 is SO3 " . In another embodiment, R 105 is SO3M. In another embodiment, R 105 is SO3H. In another embodiment, R 105 is SQ 101 .
  • R 105 is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 105 is NCO.
  • R 105 is NCS.
  • R 105 is alkenyl.
  • R 105 is alkynyl.
  • R 105 is epoxide.
  • R 105 is alkylated epoxide.
  • R 105 is alkylated azide.
  • R 105 is azide.
  • R 105 is halide.
  • R 105' is H, Z', OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3-, SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Z' , Q 101 , Q 102 , Q 103 ,Q 104 , M , alkenyl, alkynyl, alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 105 is H. In another embodiment, R 105 is Z'. In another embodiment, R 105' is OQ 101 . In another embodiment, R 105' is C(0)Q 101 . In another embodiment, R 105' is COOQ 101 . In another embodiment, R 105' is CON(Q 101 ) 2 . In another embodiment, R 105 is NQ 101 Q 102 . In another embodiment, R 105 is N0 2 . In another embodiment, R 105 is CN. In another embodiment, R 105 is SO3 " . In another embodiment, R 105' is SO3M. In another embodiment, R 105' is SO3H. In another embodiment, R 105' is SQ 101 .
  • R 105' is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 105' is NCO.
  • R 105 is NCS.
  • R 105 is alkenyl.
  • R 105 is alkynyl.
  • R 105 is epoxide.
  • R 105 is alkylated epoxide.
  • R 105 is alkylated azide.
  • R 105 is azide.
  • R 105 is halide.
  • R 106 is H, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3-, SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Q 101 , Q 102 , Q 103 ,Q 104 , M, alkenyl, alkynyl, alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 106 is H. In another embodiment, R 106 is Q 101 . In another embodiment, R 106 is OQ 101 . In another embodiment, R 106 is C(0)Q 101 . In another embodiment, R 106 is COOQ 101 . In another embodiment, R 106 is CON(Q 101 ) 2 . In another embodiment, R 106 is NQ 101 Q 102 . In another embodiment, R 106 is N0 2 . In another embodiment, R 106 is CN. In another embodiment, R 106 is SO3 " . In another embodiment, R 106 is SO3M. In another embodiment, R 106 is SO3H. In another embodiment, R 106 is SQ 101 .
  • R 106 is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 106 is NCO.
  • R 106 is NCS.
  • R 106 is alkenyl.
  • R 106 is alkynyl.
  • R 106 is epoxide.
  • R 106 is alkylated epoxide.
  • R 106 is alkylated azide.
  • R 106 is azide.
  • R 106 is halide.
  • R 106' of is H, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3 " , SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Q 101 , Q 102 , Q 103 , Q 104 , M, alkenyl, alkynyl, alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 106 is H. In another embodiment, R 106 is Q 101 . In another embodiment, R 106 is OQ 101 . In another embodiment, R 106' is C(0)Q 101 . In another embodiment, R 106' is COOQ 101 . In another embodiment, R 106' is CON(Q 101 ) 2 . In another embodiment, R 106' is NQ 101 Q 102 . In another embodiment, R 106 is N0 2 . In another embodiment, R 106 is CN. In another embodiment, R 106 is SO3 " . In another embodiment, R 106 is SO3M. In another embodiment, R 106 is SO3H.
  • R i06 is S Q i o i
  • R 106' is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 106 is NCO.
  • R 106 is NCS.
  • R 106 is alkenyl.
  • R 106 is alkynyl.
  • R 106 is epoxide.
  • R 106 is alkylated epoxide.
  • R 106 is alkylated azide.
  • R 106 is azide.
  • R 106 is halide.
  • R 107 is H, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3-, SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Q 101 , Q 102 , Q 103 , Q 104 , M, alkenyl, alkynyl, , alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 107 is H. In another embodiment, R 107 is Q 101 . In another embodiment, R 107 is OQ 101 . In another embodiment, R 107 is C(0)Q 101 . In another embodiment, R 107 is COOQ 101 . In another embodiment, R 107 is CON(Q 101 ) 2 . In another embodiment, R 107 is NQ 101 Q 102 . In another embodiment, R 107 is N0 2 . In another embodiment, R 107 is CN. In another embodiment, R 107 is SO3 " . In another embodiment, R 107 is SO3M. In another embodiment, R 107 is SO3H. In another embodiment, R 107 is SQ 101 .
  • R 107 is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 107 is NCO.
  • R 107 is NCS.
  • R 107 is alkenyl.
  • R 107 is alkynyl.
  • R 107 is epoxide.
  • R 107 is alkylated epoxide.
  • R 107 is alkylated azide.
  • R 107 is azide.
  • R 107 is halide.
  • R 107' is H, Q 101 , OQ 101 , C(0)Q 101 , COOQ 101 , CON(Q 101 ) 2 , NQ 101 Q 102 , N0 2 , CN, SO3 " , SO3M, SO3H, SQ 101 , - NQ 101 Q 102 CONQ 103 Q 104 , NCO, NCS, alkenyl, alkynyl, epoxide, alkylated epoxide, alkylated azide, azide or halide, wherein Q 101 , Q 102 , Q 103 , Q 104 , M, alkenyl, alkynyl, alkylated epoxide, alkylated azide and halide are as defined herein above.
  • R 107 is H. In another embodiment, R 107 is Q 101 . In another embodiment, R 107 is OQ 101 . In another embodiment, R 107' is C(0)Q 101 . In another embodiment, R 106 is COOQ 101 . In another embodiment, R 107' is CON(Q 101 ) 2 . In another embodiment, R 106 is NQ 101 Q 102 . In another embodiment, R 107' is N0 2 . In another embodiment, R 107 is CN. In another embodiment, R 107 is SO3 " . In another embodiment, R 107 is SO3M. In another embodiment, R 107 is SO3H. In another embodiment, R 107' is SQ 101 .
  • R 107' is, - NQ 101 Q 102 CONQ 103 Q 104 .
  • R 107 is NCO.
  • R 107 is NCS.
  • R 107 is alkenyl.
  • R 107 is alkynyl.
  • R 107 is epoxide.
  • R 107 is alkylated epoxide.
  • R 107 is alkylated azide.
  • R 107 is azide.
  • R 107 is halide.
  • R 108 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl, wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl and aryl are as defined herein above.
  • R 108 is H.
  • R 108 is alkyl.
  • R 108 is fluorinated alkyl.
  • R 108 is heterocycloalkyl.
  • R 108 is cycloalkyl.
  • R 108 is aryl.
  • R 108 is benzyl.
  • R 108 is H, alkyl, haloalkyl, heterocycloalkyl, cycloalkyl, aryl or benzyl, wherein alkyl, haloalkyl, heterocycloalkyl, cycloalkyl and aryl are as defined herein above.
  • R 108 is H.
  • R 108 is alkyl.
  • R 108 is fluorinated alkyl.
  • R 108 is heterocycloalkyl.
  • R 108 is cycloalkyl.
  • R 108 is aryl.
  • R 108 is benzyl.
  • R 104 and R 105 form together a N-heterocyclic ring wherein said ring is optionally substituted.
  • the N-heterocyclic ring is substituted by one or more groups selected from halide, hydroxy, alkoxy, carboxylic acid, aldehyde, carbonyl, amido, cyano, nitro, amino, alkenyl, alkynyl, aryl, azide, epoxide, ester, acyl chloride and thiol.
  • R 104 and R 105 form together a N-heterocyclic ring wherein said ring is optionally substituted.
  • the N-heterocyclic ring is substituted by one or more groups selected from halide, hydroxy, alkoxy, carboxylic acid, aldehyde, carbonyl, amido, cyano, nitro, amino, alkenyl, alkynyl, aryl, azide, epoxide, ester, acyl chloride and thiol.
  • each structure in structures I-X of the current invention comprise two bonds.
  • each structure comprises two " * " ** "-" bonds that are selected to be two single bonds, two double bonds, one single and one double bond or one double and one single bond, each represents a separate embodiment of the current invention.
  • some embodiments comprise color conversion films 130 for LCD's 140 having RGB color filters 86 which comprise color conversion element(s) such as RBF compound(s) 115 or other compounds 116 selected to absorb illumination from backlight source 80 of LCD 140 and have a R emission peak and/or a G emission peak (see non-limiting examples below).
  • color conversion films 130 for LCD's with backlight source 80 providing blue illumination may comprise both R and G peaks provided by corresponding RBF compounds of Formula 1 and Formula 2.
  • color conversion films 130 for LCD's with backlight source 80 providing white illumination may comprise R peak provided by corresponding RBF compound(s) of Formula 1.
  • Color conversion film(s) 130 may be set in either or both backlight unit 142 and LCD panel 85; and may be attached to other film(s) in LCD 140 or replace other film(s) in LCD 140, e.g. being multifunctional as both color conversion films and polarizers, diffusers, etc., as demonstrated above.
  • Color conversion film(s) 130 may be produced by various methods, such as sol-gel and/or UV curing processes, may include respective dyes at the same or different layers, and may be protected by any of a protective film, a protective coating and/or protective components in the respective sol-gel or UV cured matrices which may convey enhanced flexibility, mechanical strength and/or less susceptibility to humidity and cracking.
  • Color conversion film(s) 130 may comprise various color conversion elements such as organic or inorganic fluorescent molecules, quantum dots and so forth.
  • Some embodiments of fluorescent film production 100 were developed on the basis of sol-gel technology in a different field of laser dyes.
  • Reisfeld 2006 Doped polymeric systems produced by sol-gel technology: optical properties and potential industrial applications, Polimery 2006, 51(2): 95-103 reviews sol-gel technology based on hydrolysis and subsequent polycondensation of precursors, such as organo-silicon alkoxides, leading to formation of amorphous and porous glass.
  • the matrices for incorporation of organically active dopants are the glass/polymer composites, organically modified silicates (ORMOSIL) or hybrid materials zirconia - silica - polyurethane (ZSUR).
  • ORMOSIL organically modified silicates
  • ZSUR hybrid materials zirconia - silica - polyurethane
  • the matrices taught by Reisfeld 2006 do not yield films with photo-stable fluorescent compounds that are necessary for color conversion films and the films do not have a wide color gamut.
  • sol-gel technology may be modified and adapted for producing films of fluorescent optical compounds which may be used in displays, with surprisingly good performance with respect to emission spectra and stability of the fluorescent compounds.
  • the inventors have found that multiple modifications to technologies discussed in Reisfeld 2006 enable using them in a completely different field of implementation and moreover, enable enhancing the stability of the fluorescent compounds and tuning their emission spectra (e.g., peak wavelengths and widths of peaks to enable wide color gamut illuminance from the display backlight) using process parameters.
  • Hybrid sol-gel precursor formulations, formulations with rhodamine- based fluorescent compounds, films, displays and methods are provided, in which the fluorescent compounds are stabilized and tuned to modify display backlight illumination in a manner that increases the display's efficiency and widens its color gamut.
  • Silane precursors are used with silica nanoparticles and zirconia to provide fluorescent films that may be applied in various ways in the backlight unit and/or in the LCD panel and improve the display's performance.
  • the sol-gel precursor and film forming procedures may be optimized and adjusted to provide a high photostability of the fluorescent compounds and narrow emission peaks of the backlight unit.
  • Figure 6A is a high level schematic illustration of precursors 110, formulations 120, films 130 and displays 140 according to some embodiments of the invention.
  • Figure 6B illustrates schematically prior art methods 90 according to Reisfeld 2006. Disclosed processes and methods 200 overarch compounds and processing steps for formulations 110, 120 and film 130 as well as integration steps of films 130 in display 140.
  • Hybrid sol-gel precursor formulations 110 comprise an epoxy silica ormosil solution 106 prepared from tetraethyl orthosilicate (TEOS) 102, at least one silane precursor (other than TEOS) 104 and/or methyltrimethoxysilane (MTMOS) 91B, and 3- Glycidyloxypropyl)trimethoxysilane (GLYMO) 91C; a nanoparticles powder 109 prepared from isocyanate-functionalized silica nanoparticles 111, or non-functionalized silica nanoparticles 111, and ethylene glycol 108; and a transition metal(s) alkoxide matrix solution 103 (based on e.g., zirconia, titania or other transition metal(s) alkoxides).
  • TEOS tetraethyl orthosilicate
  • MTMOS methyltrimethoxysilane
  • GLYMO 3- Glycidyloxypropyl)trimeth
  • ratios (wt/vol/vol (mg/ml/ml)) of nanoparticles powder / epoxy silica ormosil solution / transition metal(s) alkoxide matrix solution may be in the range 15-25 / 1-3 / 1, with each of the components possibly deviating by up to 50% from the stated proportions. Additional variants 107 are provided below.
  • Figure 6A presents non-limiting examples of process 200.
  • the epoxy silica ormosil solution and the transition metal(s) alkoxide matrix solution may be mixed at ratio of between 1: 1 and 3: 1 (e.g., 2: 1) followed by the addition of the nanoparticles powder at a concentration of 5-10 mg / 1ml mixed (e.g., epoxy silica ormosil solution and zirconia) solution - resulting in ratios (wt/vol/vol (mg/ml/ml)) of nanoparticles powder / epoxy silica ormosil solution / transition metal(s) alkoxide matrix solution of 15-30 / 2 / 1 in the no n- limiting example, wherein any of the components may deviate by up to ⁇ 50% from the stated proportions.
  • the solution may then be mixed (e.g., for one hour) and then filtered (e.g., using a syringe with a ⁇ filter).
  • the fluorophore may then be added to form formulation 120 from precursor 110, and the mixing may be continued for another hour.
  • Formulation 120 may then be evaporated and heated (e.g., in a non-limiting example, using a rotovap under pressure of 60-100mbar and temperature of 40-60°C) to achieve increased photo-stability as found by the inventors and explained below.
  • silane precursors 104 may comprise any of MTMOS (methyltrimethoxysilane), PhTMOS, a TMOS with fluorine substituents, e.g., FiTMOS (trimethoxy(3,3,3-trifluoropropyl)silane), FoTEOS (Fluorotriethoxysilane) or F2TMOS (tridecafluoro- 1 , 1 ,2,2-tetrahydrooctyl)trimethoxysilane, 1 ,2-bis(triethoxysilyl)ethane, trimethoxy(propyl) silane, octadecyltrimethoxysilane, fluorotriethoxysilane, and ammonium(propyl)trimethoxysilane.
  • FiTMOS trimethoxy(3,3,3-trifluoropropyl)silane
  • FoTEOS Fluorotriethoxysilane
  • F2TMOS tridecafluoro- 1
  • Silane precursors 104 may comprise any alkoxysilane, with R 1 , R 2 , R 3 typically consisting of methyl or ethyl groups (e.g., R 4 -OSi(Me)3), and R 4 may consist of a branched or unbranched carbon chain, possibly with any number of halogen substituents, as illustrated below.
  • silane precursors 104 may comprise any of: tetraalkoxysilane (e.g., tetraethoxysilane), alkyltrialkoxysilane, aryltrialkoxysilane, haloalkyltrialkoxysilane, heterocycloalkyltrialkoxysilane, N-heterocycletrialkoxysilane, (3-Glycidyloxypropyl)trialkoxysilane, haloalkyltrialkoxysilane, heterocycloalkyltrialkoxysilane, N-heterocycletrialkoxysilane, and cyclo alkyltrialkoxysilane .
  • silane precursors 104 may be selected from any of the following structures:
  • T101 is an alkyl
  • T102 an aryl
  • T103 an haloalkyl
  • T104 an heterocycloalkyl
  • T105 an cycloalkyl, as defined herein.
  • epoxy silica ormosil solution may be prepared by first mixing the TEOS and at least one silane precursor(s) under acidic conditions and then adding the GLYMO.
  • the acidic conditions may be adjusted by adding acetic acid, and may be followed by adding water and alcohol(s) such as ethanol, propanol, 2-propanol or butanol.
  • the inventors have used various silane precursors 104 to provide emission spectrum tunability to film 130.
  • tuning of the wavelength may be achieved by adjusting the ratio of the silane precursors 104.
  • the ratio of silane precursors is adjusted within each layer; such as a 1: 1 ratio of PhTMOS and FiTMOS in a single sol-gel matrix layer.
  • the ratio of the silane precursors is adjusted between layers; such as a 1: 1 ratio of layers - for example one layer with PhTMOS and one layer with FiTMOS one on top of each other.
  • Figure 8F is an example of a peak shift due to the change in molar ratio of two silane precursors PhTMOS (Z3 matrix detailed below): FiTMOS (Z2 matrix detailed below).
  • PhTMOS Z3 matrix detailed below
  • FiTMOS Z2 matrix detailed below.
  • the first peak with just Z3 is at 535nm and as Z2 is added and the ratio changes the peak shifts to higher wave lengths up to 545nm when the ratio is 3: 1.
  • the wavelengths for each ratio can be found in rows 5-8 in Table 1 below.
  • JK71 a green RBF molecule, was used in a concentration of 0.15 mg/ml, in a single layer of ⁇ 40 ⁇ thickness.
  • the volumetric ratio between TEOS:MTMOS or other silane precursor(s):GLYMO may be between 1: 1: 1.5-2; and the volumetric ratio between TEOS:silane precursor(s): acetic acid: alcohol: water may be between 1: 1:0.01-1: 1-10:4-8.
  • the epoxy silica ormosil solution mixing time may be reduced to about five minutes. Any of the components may deviate by up to ⁇ 50% from the stated proportions.
  • ethanol and/or water are not used, to simplify the process.
  • DPSD diphenylsilanediol
  • citric acid and/or ascorbic acid may replace or be added to the acetic acid.
  • the GLYMO precursor is polymerized 107C (poly- GLYMO) before it is used in the epoxy silica ormosil solution preparation. See example below:
  • poly-GLYMO 107C in the preparation of the hybrid sol-gel matrix may result in an increase of the crosslinking density.
  • GLYMO is polymerized in the presence of at least one RBF compound. This may provide a polymer cage which limits the diffusion of the RBF compound and inhibits reactive molecules from reaching the RBF compound.
  • the RBF compound has epoxide groups which enable it to covalently bind to the sol-gel's polymer back bone thus further limiting the RBF diffusion.
  • the RBF compound is ES-118 according to the following formula:
  • ES-118 [00222] In some embodiments (3-Glycidyloxypropyl)trimethoxysilane (Glymo CAS: 2530-83-8) was dissolved in ethanol in concentration of 1-lOmM. Then to initiate the polymerization 1 -methylimidazole (CAS: 616-47-7) was added, in concentration of 0.05%-5% (w/w), the solution was then maintained under reflux for three (3) hours.
  • the poly-glymo:TEOS ratio is about 1: 1 - 3: 1 (v/v).
  • one or more additional additives 107 may be added to the epoxy silica ormosil solution.
  • the additives are added during the preparation of the epoxy silica ormosil solution and specifically following the addition of the silane precursors.
  • additive 107 may be polydimethylsiloxane hydroxy terminated (PDMS -hydroxy CAS: 70131-67-8) as illustrated below.
  • PDMS is highly flexible (has a very low Tg) and highly hydrophobic.
  • the PDMS's hydroxyl groups on both sides of the main chain allow covalent linkage to the sol-gel matrix and act as flexible crosslinkers.
  • PDMS was added in a molecular weight of 0.1-20 (kDa) and in a concentration of 5%-20% (w/w).
  • the resulting hybrid sol-gel had a higher viscosity, enabled more uniform spreading, increased flexibility, reduction of bubbles, better resistant to thermal shock, less splintering during cutting and better resistance toward humidity compared to the hybrid sol-gel without PDMS.
  • Figures 6E and 6F are photographs of a film with and without PDMS-hydroxyl.
  • Figure 6E is a typical sol-gel film without PDMS-hydroxyl
  • Figure 6F is a typical sol-gel film with PDMS-hydroxyl. As can be seen the figures demonstrate how addition of PDMS-hydroxyl prevents the bubbling effect and produces a smoother surface.
  • additive 107 may be a dendritic polyol.
  • Dendritic polyols have a large number of active chemical sites and a flexible backbone. The dendritic polyols also have many hydroxyl groups which allow covalent linkage to the sol-gel matrix and act as highly functional crosslinkers.
  • the dendritic polyol is BoltornTM H2004 (CAS: 462113- 22-0, Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, l, l'-[2-[[3-hydroxy-2- (hydroxymethyl)-2-methyl- 1 -oxopropoxy] methyl] -2-methyl- 1 ,3-propanediyl] ester), as illustrated below:
  • Boltorn H2004 was added in a concentration of 1%-10% (w/w).
  • the resulting hybrid sol-gel film had improved adhesion and better flexibility compared to the hybrid sol-gel without Boltorn H2004.
  • Dendritic polyols may also be used when preparing a matrix using UV as detailed below.
  • additive 107 may be Polyvinylpyrrolidone (PVP CAS: 9003-39-8) as illustrated below: [00235] In some embodiments PVP was added in a molecular weight of lOkDa and in a concentration of 5%-20% (w/w). The resulting hybrid sol-gel had improved adhesion and flexibility compared to the hybrid sol-gel without PVP.
  • PVP Polyvinylpyrrolidone
  • a combination of two or more of PDMS, dendritic polyol and PVP may be used in the preparation of the epoxy silica ormosil solution.
  • the combination is tuned to receive certain desired characteristics.
  • Nanoparticles powder 109 is prepared from ethylene glycol 108 and isocyanate- functionalized silica nanoparticles (IC-Si NP) 111.
  • ethylene glycol 108 for nanoparticles powder 109 instead of polyethylene glycol (PEG) 94 A for DURS 95 (as in Reisfeld 2006) enables better control of the film production and improves the mechanical properties of films better films 130, including the film being less brittle, compared to the prior art sol-gel precursors 96, as explained below.
  • PEG polyethylene glycol
  • IC-Si NP 111 are multi-functional nanoparticles which have many active sites and specifically many more then prior art 3-isocyanatopropyltriethoxysilane (ICTEOS) 94B which is not multi-functionalized.
  • ICTEOS has a single isocyanate group and when two ICTEOS molecules bind to PEG they create diuretane silane (DURS); while IC-Si NP has man active sites which may form significantly different matrix structures.
  • DURS diuretane silane
  • IC-Si NP have hydroxide groups on their surface which participate in the condensation step (detailed below), and accordingly increase the actual functionality of the IC-Si NP.
  • ICTEOS 3-isocyanatopropyltriethoxysilane
  • the matrix may also absorb residue solvents and unreacted precursors thereby protecting RBF compound from potential reactions that may occur with the residue solvents and unreacted precursors.
  • the isocyanate-functionalized silica nanoparticles (IC-Si NP) 111 may be comprised of (isocyanato)alkylfunctionalized silica nanoparticles and/or 3- (isocyanato)propyl-functionalized silica nanoparticles, which may be prepared from precursors (isocyanato)alkylfunctionalized trialkoxysilane and/or 3- (isocyanato)propyltrietoxysilane, respectively.
  • the nanoparticles powder may be prepared by mixing and refluxing the silicon (e.g. IC-Si NP) and glycolated precursors (e.g. ethylene glycol). In some embodiments, the ethylene glycol may be added in excess. In some embodiments, the reflux may be followed by cooling and filtration steps. In some embodiments, chlorobenzene (C6H5CI) may be added to the mixture before the reflux step. In some embodiments, the chlorobenzene (C6H5CI) may be evaporated prior to the cooling step. In an example, nanoparticles powder was prepared by refluxing 3-isocyanatopropyl functionalized nanoparticles and ethylene glycol.
  • silicon e.g. IC-Si NP
  • glycolated precursors e.g. ethylene glycol
  • the reflux may be followed by cooling and filtration steps.
  • chlorobenzene (C6H5CI) may be added to the mixture before the reflux step.
  • the chlorobenzene (C6H5CI)
  • the size of the silica nanoparticles is between about 1- 500nm. In some embodiments, the size of the silica nanoparticles is between about 1- 400nm. In some embodiments, the size of the silica nanoparticles is between about 1- lOOnm. In some embodiments, the size of the silica nanoparticles is between about 50- 300nm. In some embodiments, the size of the silica nanoparticles is between about 50- 200nm. In some embodiments, the size of the silica nanoparticles is between about 100- 200nm. In some embodiments, the size of the silica nanoparticles is between about 100- 160nm. In some embodiments, the size of the silica nanoparticles is between about 110- 140nm.
  • Figure 6G is high resolution SEM image of a sol-gel film prepared with
  • IC-silica NP as opposed to ICTEOS, increases the photostablity of the film from one day with ICTOS to three days with IC-silica NP.
  • both films were prepared using JK71 as the RBF molecule in a Z3 matrix and the measurements were done by a Fluorimeter, FluoroMax-4 Horiba, the excitation was: 452nm, the temperature was: 70°C and the flux 70mW/cm.
  • nanoparticles 111 may comprise non-functionalized silica nanoparticles.
  • the non-functionalized silica nanoparticles 111 may be comprised of any silica nanoparticles.
  • the non-functionalized silica nanoparticles 111 may comprise standard silica gel (CAS 7631-86-9).
  • the non-functionalized nanoparticles 111 may replace the functionalized nanoparticles in both Z2 and Z3 matrix using the same concentration by weight of the particles per volume of the solution.
  • Figure 3F shows a photo-stability comparison between a device with functionalized silica NP and non-functionalized silica NP.
  • the photo-stability or degradation in terms of the distance on color diagram 145A (in Figure 3A) is illustrated in Figure 3F using non- limiting experimental data of the distance from point 141 A (in Figure 3A) over the operation time (in arbitrary units, a.u., scaled to 1000) of the display.
  • the nanoparticles powder 109 is prepared from a mixture of functionalized and non-functionalized silica NP.
  • the ratio of functionalized and non-functionalized silica NP in the mixture is 50:50. In some embodiments the ratio is 40:60. In some embodiments the ratio is 30:70. In some embodiments the ratio is 20:80. In some embodiments the ratio is 10:90. In some embodiments the ratio is 60:40. In some embodiments the ratio is 70:30. In some embodiments the ratio is 80:20. In some embodiments the ratio is 90: 10. In some embodiments, the size of the functionalized NP is between about 1 -400nm and the size of the non-functionalized NP is between about 1-lOOnm.
  • the size of the functionalized NP is between about 50-300nm and the size of the non-functionalized NP is between about 50-200nm. In some embodiments, the size of the functionalized NP is between about 100-200nm and the size of the non-functionalized NP is between about 100-160nm. In some embodiments, the size of the functionalized NP is between about 110-140nm and the size of the non-functionalized NP is between about l-400nm Any of the above embodiments may be combined together.
  • nanoparticles powder is not used, to simplify the process.
  • Transition metalalkoxide matrix solution 103 may comprise alkoxides of one or more transition metals.
  • a zirconia (Zr0 2 ) matrix solution may be prepared from zirconium tetraalkoxide, e.g., Zr(OPr) 4 and/or zirconium, mixed with alcohol (e.g., propanol) under acidic conditions (e.g., in the presence of acetic acid, citric acid and/or ascorbic acid).
  • alcohol e.g., propanol
  • acidic conditions e.g., in the presence of acetic acid, citric acid and/or ascorbic acid.
  • transition metals alkoxides may be used in place or in addition to zirconia.
  • the epoxy silica ormosil solution may be mixed with the zirconia matrix solution at a 2: 1 volumetric ratio, and the nanoparticles powder may then be added to the mixture to provide, after mixing (e.g., for 1-5 hours) and filtering, hybrid sol-gel precursor formulations.
  • the zirconia matrix solution may be configured to catalyze the epoxy polymerization of the epoxy silica ormosil solution.
  • the zirconia matrix solution may be added to the epoxy silica ormosil solution after e.g., 15, 30, 45 minutes. The subsequent mixing time may be decreased down to about 10 minutes.
  • other metal oxide matrix may be used instead or in addition to zirconia matrix during the sol-gel process, such as titania using titanium isopropoxide or boron oxide using boric acid.
  • zirconia and/or alkoxides from transition metals such as boron alkoxide 103 may be used in preparing sol-gel precursor 110.
  • Formulations 120 comprise hybrid sol-gel precursor formulations 110 and at least one RBF compound 115 such as red-fluorescent RBF compound(s) and green- fluorescent RBF compound(s) which may be configured to emit the R and G components of the required RGB illumination, provided by the display's backlight unit (red-fluorescent RBF compounds emit radiation with an emission peak in the red region while green- fluorescent RBF compounds emit radiation with an emission peak in the green region).
  • RBF compound 115 such as red-fluorescent RBF compound(s) and green- fluorescent RBF compound(s) which may be configured to emit the R and G components of the required RGB illumination, provided by the display's backlight unit
  • red-fluorescent RBF compounds emit radiation with an emission peak in the red region
  • green- fluorescent RBF compounds emit radiation with an emission peak in the green region.
  • formulations 120 are very different from prior art laser dye formulation 97 as laser dye usage as gain medium is very different from the operation of fluorescent films in the backlight unit, e.g., concerning stability, emission spectra and
  • Stages of methods 200 - namely preparing hybrid sol-gel precursor formulation 110 (stage 210), mixing in RBF compound(s) 115 to form formulation 120 (stage 220), forming film 130 (stage 230) and optionally evaporating alcohols prior to film formation (stage 225) - are shown schematically and explained in more detail below.
  • the mixture of the hybrid sol-gel precursor formulation and the RBF compound(s) may be stirred and then evaporated and heated (e.g., in a non-limiting example, stirred for between about 20 minutes and about three hours, evaporated at about 60-100mbar and heated to 40-60°C) to increase the photo-stability of the RBF compound(s) (see additional process details below).
  • Process parameters may be adjusted to avoid damage to the fluorescent dyes, control parameters of the sol-gel process and optimize the productivity in the process.
  • FIG. 7C is a graph showing the normalized intensity, with and without an evaporation step, of a film of Zl formulation (detailed below) with RS 130 as the RBF molecule.
  • the stability of the layer with evaporation is almost twice that of the layer without evaporation (light color line). Details of the measurement are: Fluorimeter, FluoroMax-4 Horiba, Excitation: 540nm; Detail of acceleration: Excitation: 452nm; Temperature: 70°C; Flux: 70mW/cm 2 .
  • the concentration of the RBF compound(s) may be adjusted to determine the final peak emission intensity excited by the chosen backlight unit and may range e.g., between 0.005-0.5mg/ml. It is noted that multiple fluorescent molecules having different emission peaks may be used in a single formulation 120.
  • the processes may be optimized to achieve required relations between the RBF compound(s) and the other components of the film, e.g., to achieve any of supramolecular encapsulation of the RBF compound(s) in the sol- gel matrix, covalent embedding of the RBF compound(s) in the sol-gel matrix (e.g., via siloxane bonds), and/or incorporation of the RBF compound(s) in the sol-gel matrix.
  • Silane precursors 104 may be selected according to the used RBF compound.
  • PhTMOS may be used to stabilize red-fluorescent RBF compounds.
  • TMOS with fluorine substituents may be used to stabilize red-fluorescent RBF compounds. Modifying and adjusting parameters of the substituents was found to enable the control of the photostability and emission characteristics of the fluorescent compounds.
  • FiTMOS may be used to stabilize green- fluorescent RBF compounds.
  • Films 130 prepared from formulation 120 may comprise epoxy silica ormosil solution 106 prepared from TEOS 102, at least one silane precursor 104 (and/or MTMOS 91B), and GLYMO 91C; nanoparticles powder 109 prepared from isocyanate- functionalized silica nanoparticles 111, or non-functionalized silica nanoparticles 111, and ethylene glycol 108; a transition metal(s) alkoxide matrix solution 103; and at least one RBF compound 115, selected to emit green and/or red light and being supramolecularly encapsulated and/or covalently embedded within film 130.
  • Silane precursors 104 may comprise any of MTMOS, PhTMOS, a TMOS with fluorine substituents, FiTMOS, F 2 TMOS (tridecafluoro- 1 , 1 ,2,2-tetrahydrooctyl)trimethoxysilane, 1 ,2- bis(triethoxysilyl)ethane, trimethoxy(propyl) silane, octadecyltrimethoxysilane, fluorotriethoxysilane, and ammonium(propyl)trimethoxysilane.
  • silane precursor 104 may comprise PhTMOS and/or a TMOS with fluorine substituents.
  • silane precursor 104 may comprise FiTMOS.
  • Examples are provided below for four matrix compositions (Zi, Z 2 , Z3, Z 4 ) for mixtures of epoxy silica ormosil solution and zirconia matrix solution having the components Zr(PrO) 4 :
  • the emission peak wavelengths in lines 1-4 and 9 vary according to the concentration of the fluorophore and the thickness of the sol-gel layer.
  • the data was measured with a blue light flux of lOOmW/cm 2 and temperature of 60°C for the green RBF compounds and with a white light flux of 20mW/cm 2 and temperature of 60°C for the red RBF compounds.
  • Table 1 demonstrates the capabilities of the disclosed technology to increase the lifetime of RBF compound(s) in film 130 multiple times over (eight fold - line 4 vs. line 1, fivefold - line 13 vs. line 10), reach high quantum yields (above 80% - lines 2, 14 15), tune the emission peak wavelength of the RBF compound(s) significantly (lines 5-8, 14-16, 17- 19) and provide tuned multi-layered films 130 (line 9).
  • intercalating the red fluorescent compound(s) in the Z 2 matrix resulted in increased photo-stability
  • intercalating the green fluorescent compound(s) in the Z 3 matrix resulted in increased photo-stability and improved the quantum yield (QY) compare to the Zi matrix.
  • QY quantum yield
  • the length of the carbon chain of the silane precursor(s) may contribute to the stability of the red- fluorescent RBF compounds; in certain embodiments, the carbon chain may consist of 8, 9, 10, 12 or more carbon atoms, possibly with corresponding fluorine atoms as hydrogen substituents. In certain embodiments, some or all the fluorine atoms may be replaced by another halogen such as chlorine. Moreover, the inventors have found that modifying the length and hydrophobicVhydrophilic degree of the chain may be used to further tune and adjust the emission peak (beyond the data exemplified above), according to desired requirements.
  • Figures 7A and 7B are examples for illustrations of characteristics of formulations and films according to some embodiments of the invention.
  • Figure 7A exemplifies the tuning of the emission spectrum (tuning of the emission peak is indicated by AX) by adjusting formulation 120, the illustrated cases correspond to line 15 (JK-71 in Z3 with peak at 535nm) and line 8 (JK-71 in Z2 with peak at 543nm - dotted line) in Table 1.
  • Figure 7B exemplifies the implementation of formulation 120 with two fluorescent compounds and different respective precursors indicated in line 9 in Table 1 (Z 3 with JK- 71 + Z 2 with ES-61) providing two different emission peaks.
  • silane precursors 104 may comprise, in addition or in place of silane precursor 104 disclosed above, at least one of: l,2-bis(triethoxysilyl)ethane, trimethoxy(propyl) silane, octadecyltrimethoxysilane, fluorotriethoxysilane, ammonium(propyl)trimethoxysilane (illustrated below) and any further varieties of any of disclosed silane precursor 104.
  • l,2-bis(triethoxysilyl)ethane trimethoxy(propyl) silane
  • octadecyltrimethoxysilane fluorotriethoxysilane
  • fluorotriethoxysilane fluorotriethoxysilane
  • ammonium(propyl)trimethoxysilane illustrated below
  • Films 130 may be prepared from formulations 120 using a transparent substrate (e.g., glass, polyethylene terephthalate (PET), polycarbonate, poly-methyl-methacrylate (PMMA) etc.) or as stand-alone films (after solidification), and be used as color-conversion films in backlight units of displays.
  • a transparent substrate e.g., glass, polyethylene terephthalate (PET), polycarbonate, poly-methyl-methacrylate (PMMA) etc.
  • the substrate may be scrubbed to increase the surface roughness or be laminated to provide diffuser properties - in order to increase scattering or diffusing of blue light from the backlight unit.
  • the surface of the substrate may be treated prior to applying the film. Treating the surface may improve the adhesion of the film and may prevent delamination and cracks at extreme conditions.
  • the surface is treated by covalently binding aminosilanes.
  • the aminosilane is (aminoprpyl)triethoxysilane (APTES).
  • APTES aminoprpyl triethoxysilane
  • Figures 6C-6D are photographs of a film on a substrate with and without surface treatment.
  • the film in both figures is a single film comprising RS285 in Z3 and ES144 in Z2 in the same film.
  • Figure 6C is a photograph without pretreatment of the substrate and
  • Figure 6D is a photograph with pretreatment of the substrate with APTES.
  • 0.1%-10% ⁇ / ⁇ of APTES were mixed with toluene. The mixture was then poured in to a bath. The substrate was dried with hot air and then placed in the bath with the mixture. The bath was then hermetically sealed (to prevent moisture absorbance) and the substrate was soaked for 3 hours. The substrate was then removed from the bath, washed with toluene and dried before coating.
  • Spreading formulation 120 may be carried out by any of manual coating (blade or spiral bar), automatic coting (blade or spiral bar), spin coating, deep coating, spray coating or molding; and the coatings may be applied on either side or both sides of the transparent substrate. Multiple layers of formulation 120 may be applied consecutively to film 130 (film thickness may range between 10-100 ⁇ ).
  • the drying, or curing process of formulation 120 may be a two- step process comprising an initial short term curing at a high reaction rate for determining the formation of the sol-gel matrix and a long term curing at a lower reaction rate for determining the completion of the reaction (the temperature and duration of this step may be set to determine and adjust the reaction results).
  • the initial short term curing (drying) maybe carried out by a hot plate, an oven, a drier and/or an IR (infrared) lamp.
  • film 130 on glass may be placed on top of a hot plate or in an oven and undergo the following heating profile: constant temperature (e.g., 60-100°C for 1-3 hours) followed by step- wise temperature increase increments (e.g., 3-5 steps of 20-40°C increase during 15-90 minutes each).
  • films may be cured by a drier or an IR lamp, e.g., being set on a conveyor (moving e.g., in 0.1-5 m/min) and heated to temperatures between 60-100°C.
  • the curing may be configured to avoid film annealing and provide a required mesh size, while maintaining and promoting the stability of the RBF compound(s) 115.
  • Curing parameters may be optimized with respect to a tradeoff between photostability and brightness, which relate to the film density resulting from the curing.
  • additional curing may be carried out between layer depositions (e.g., 50-90°C for 1-3 hours) and a final curing may be applied after deposition of the last layer (e.g., 100-200°C for 2-72 hours).
  • lower curing temperatures may be applied for longer times, e.g., the curing may be carried out for a week in 50°C.
  • curing temperatures may be raised stepwise, possibly with variable durations, e.g., the curing may be carried out stepwise at 30°C, 60°C, 90°C, two hours at each step.
  • a final curing stage e.g., at 130°C may be applied.
  • green-fluorescent RBF compound in Z 3 (FiTMOS) matrix was cured under different heat transport regimes: IR only (IR intensity 10%; 25min on the conveyor moving at O.lm/min) dryer only (at consecutive 15min steps of 30°C, 50°C, 70°C, 90°C, 110°C) and a combination of IR followed by dryer, with a final curing of 24h in an oven at 130°C.
  • IR only IR intensity 10%; 25min on the conveyor moving at O.lm/min
  • dryer only at consecutive 15min steps of 30°C, 50°C, 70°C, 90°C, 110°C
  • a combination of IR followed by dryer with a final curing of 24h in an oven at 130°C.
  • the samples maintained their emission peaks, FWHM (full width at half maximum) and QY, and exhibited the following reduction of emission intensity after eight days with respect to the initial intensity (measured by a fluorimeter): IR only - 54%, dryer only - 79%, IR and dryer - 73%, showing the efficiency of the latter two methods.
  • the process may be further adjusted in various ways, as detailed above, to yield encapsulation or bonding of the RBF compound(s) 115 in the matrix which narrows the FWHM of the emission band by adjusting the micro-environment of the fluorescent molecules.
  • the process may be monitored and optimized using any of quantum yield measurements, fluorescent measurements, photometric measurements, photostability (lifetime) testing and others.
  • emission peaks may be related to the display hue property and the FWHM may be related to the display saturation property.
  • the adjustment of the hue and saturation properties may be carried out by corresponding adjustments in one or more components of formulation 120 and/or in the film production process described above. It is further noted that additional display properties such as intensity/ lightness and brightness/LED power may be adjusted with respect to the designed film properties.
  • film 130 was prepared by applying ten layers of formulation 120 with green- fluorescent RBF compound at a concentration of O.lmg/ml in the formulation, layer by layer, onto a transparent substrate and then applying two layers of formulation 120 with red-fluorescent RBF compound at a concentration of 0.05mg/ml in the formulation, layer by layer, onto the former, green emitting layers.
  • the inventors later found that the multiple green-fluorescent layers may be replaced by fewer or even a single layer when evaporation of the alcohols is carried out prior to the layer application.
  • Figure 8A illustrates the resulting spectrum, having a first emission peak at 617 ⁇ 3 nm (red) and a FWHM of around 50 nm; and a second emission peak at 540 ⁇ 3nm (green) and a FWHM of around 45 nm, according to some embodiments of the invention.
  • the quantum yield of the film was measured by a fluorimeter having an integrating sphere to be around 70-90% depending on the RBF compound and the lifetime at the device level was estimated to be in the range of 20,000 to 50,000 hours.
  • Figure 8B illustrates the CIE 1931 color gamut diagram for the film, compared to NTSC and sRGB standards, according to some embodiments of the invention. As seen in the diagram, the color gamut range of film 130 in display 140 is larger than the standard LCD (sRGB) gamut and is in the range of the NTSC standard gamut.
  • Figure 8C illustrates the resulting emission spectrum, according to some embodiments of the invention.
  • the resulting change of spectrum is illustrated by comparing Figure 8A for the film prepared in the first example with Figure 8C for the film prepared in the second example.
  • the relative intensity of the peak at around 550nm attributed to the green light is higher in Figure 8C in comparison to the relative intensity of the corresponding peak in Figure 8A and thus demonstrates that the white point position may be tuned as desired by changing the structure of film 130, e.g., by adjusting the number of layers and/or concentration in formulation 120 of either RBF compound.
  • sol-gel formulation 120 consecutive layers of sol-gel formulation 120 were applied directly on light source 80 (in the non-limiting example, on blue light source 80A which emits at a wavelength range of about 400-480nm) or in close proximity thereto.
  • both green-fluorescent and red-fluorescent RBF compounds were mixed in formulation 120 and applied as film 130 comprising ten layers to blue LED light source 80A.
  • Figure 8D illustrates the resulting emission spectrum, having a first emission peak at 621nm (red) and a second emission peak at 512nm (green), both peaks exhibiting a FWHM in the range of 40-50nm (the peak at 450nm corresponds to the light source blue emission), according to some embodiments of the invention.
  • red-fluorescent RBF compounds 115 were 5- and 6-Carboxy X-rhodamine -Silylated illustrated below.
  • the illustrated derivative of RS-130 red RBF compound is a no n- limiting example. Similar covalent binding of RBF compounds 115 to the sol- gel matrix may be achieved with other RBF compounds in similar ways.
  • precursor 110 was configured to covalently bind the RBF compounds to the sol-gel matrix.
  • Epoxy silica ormosil solution 106 was prepared by stirring over-night 3mg of a mixture of the RBF compounds, 10ml of ethanol and 3.6ml of H 2 0 to yield the epoxy silica ormosil solution.
  • 3ml of TEOS and 3ml of MTMOS and 250 ⁇ 1 of acetic acid were added to the epoxy silica ormosil solution mixture, which was then stirred for 10-15 minutes.
  • 4.8 ml of GLYMO were added to the mixture and stirred for two hours.
  • Zirconia 93 (as a non-limiting example for transition metal(s) alkoxide matrix solution 103) was prepared by stirring together 10ml of zirconium n-tetrapropoxide in propanol and 3ml of acetic acid for 10 minutes. 3.3 ml of acetic acid in H 2 0 (1 : 1 ratio) and 20ml of isopropanol were added to the mixture and stirred for another 10 minutes. Nanoparticles powder 109 was prepared by refluxing of 90mg of 3-isocyanato propyl functionalized silica nanoparticles and 32 ⁇ 1 of ethylene-glycol in chlorobenzene for two hours.
  • Precursor 110 was prepared by mixing the nanoparticles powder with 8ml of the epoxy silica ormosil solution and 4 ml of Zr0 2 solution.
  • the final concentration of the (red- fluorescent) RBF compounds in formulation 120 was 0.08 mg/ml. The mixture was stirred for over one hour and then filtrated.
  • Film 130 was prepared from formulation 120 and its measured emission peak was 610 ⁇ 5 nm with FWHM of 50 ⁇ 5 nm, with the emission curve illustrated in Figure 8E.
  • red-fluorescent RBF compounds 115 were 5- and 6-Carboxy X-rhodamine -Silylated, illustrated above.
  • precursor 110 was configured to covalently bind the RBF compounds to the sol-gel matrix.
  • Epoxy silica ormosil solution 106 was prepared under either acidic or basic conditions, the former proving to be a better alternative. Under acidic conditions, 4.9mg of a mixture of the RBF compounds, 10ml of ethanol, 3.6ml of H 2 0 and 125 ⁇ 1 of acetic acid were stirred over-night to yield the epoxy silica ormosil solution.
  • Zirconia 93 (as a non- limiting example for transition metal(s) alkoxide matrix solution 103) was prepared by stirring together 10ml of zirconium n-tetrapropoxide in propanol and 3ml of acetic acid for 10 minutes. 3.3ml of acetic acid in H2O (1: 1 ratio) and 20ml of isopropanol were added to the mixture and stirred for another 10 minutes. Nanoparticles powder 109 was prepared by refluxing of 90mg of 3-isocyanato propyl functionalized silica nanoparticles and 32 ⁇ 1 of ethylene-glycol in chlorobenzene for two hours.
  • Precursor 110 was prepared by mixing the Nanoparticles powder with 8ml of the epoxy silica ormosil solution and 4ml of Zr0 2 solution.
  • the final concentration of the RBF compounds in formulation 120 was 0.13mg/ml when prepared under acidic conditions and 0.46 mg/ml when prepared under basic conditions. The mixture was stirred for over one hour and then filtrated.
  • Some embodiments comprise fluorescent compounds which are bond to PMMA and have Si linkers to bond the PMMA-bonded compounds to the sol-gel matrix.
  • RBF compounds to PMMA by showing the preparation of RBF compound ES-87 and cross-linking it with PMMA and linker of Si to be bonded to the sol-gel matrix.
  • ES-86 was prepared as a precursor by dissolving 3-bromopropanol (0.65ml, 7.19 mmol, 1 eq) in dry DCM (dichloromethane) under N 2 atmosphere.
  • NEt 3 (0.58ml, 7.91 mmol, 1.1 eq) was added and the mixture was cooled to 0°C.
  • ES-87 was then prepared by dissolving RS-106 (see below, 150mg, 0.26mmol, leq) in 3ml dry DMF (dimethylformamide) under N 2 atmosphere. K 2 C0 3 (55mg, 0.4mmol, 1.5eq) was added and the mixture was stirred for 5 minutes before ES-86 (154mg, 0.8mmol, 3eq) was added. The mixture was stirred for 3 hours at room temperature. Upon completion, the mixture was diluted with DCM and was washed with brine. The organic layer was separated, dried with Na 2 S04, filtered and the solvents were removed under reduced pressure. The crude product was purified by column chromatography (S1O2, DCM to 10% MeOH/DCM) to give the product as a blue powder (147 mg, 75% yield).
  • ES-87 was used to prepare cross-linked dyes as explained below in three non- limiting examples.
  • ES-91 was prepared by charging a 50ml round-bottom flask with dry EtOH (9ml) and N2 was bubbled through for 20 min. Methyl methacrylate (0.3ml, 2.8mmol, leq), ES- 87 (4mg, 0.0056mmol, 0.002eq) and AIBN (azobisisobutyronitrile, lOmg, 0.056 mol, 0.02eq) were added and N2 was bubbled through for 10 minutes. The reaction mixture was heated to reflux under N2 atmosphere for 24h. Upon completion, the mixture was cooled to room temperature and was evaporated to dryness under reduced pressure. The crude product was dissolved in 3ml of DCM and then was added dropwise to 50ml of n-hexane. The precipitate was filtered and the purification process was repeated again to give the product as a blue powder.
  • ES-99 was prepared by charging a 50ml round-bottomed flask with dry EtOH (9 ml) and N2 was bubbled through for 20 min. Methyl methacrylate (0.3 ml, 2.8 mmol, 1 eq), 3-methacryloxypropyl trimethoxysilane (34 ⁇ , 0.14 mmol, 0.05 eq), ES-87 (8 mg, 0.01 mmol, 0.002 eq) and AIBN (10 mg, 0.056 mmol, 0.02 eq) were added and N2 was bubbled through for 10 minutes. The reaction mixture was heated to reflux under N2 atmosphere for 24 hours.
  • ES-113 and ES-110 were prepared similarly to ES-99, but using higher concentration of the linker 3-methacryloxypropyl trimethoxysilane, namely 50% and 100% linker respectively, compared with 5% in ES-99.
  • Figure 9 schematically illustrates some embodiments of PMMA cross-linked dyes, according to some embodiments of the invention.
  • Some embodiments comprise applying a protective film 131 to color conversion film 130 and/or configuring color conversion film 130 to have protective properties which prevent humidity damages and cracking.
  • Any type of color conversion film 130 may be protected and/or enhanced as described in the following, e.g., RBF-compounds-based films 130 as well as films 130 based on other organic or inorganic fluorescent molecules and quantum-dot-based color conversion films 130.
  • protective film 131 may be formed using zirconium-phenyl siloxane hybrid material (ZPH), a transparent, clear and flexible polymer, based on the description in Kim et al. 2014 ("Sol-gel derived transparent zirconium-phenyl siloxane hybrid for robust high refractive index led encapsulant", ACS Appl. Mater. Interfaces 2014, 6, 3115-3121), with the following modifications, found by the inventors to isolate films 130 from the surroundings, provide the film with mechanical support and prevent cracks.
  • ZPH zirconium-phenyl siloxane hybrid material
  • ZPH is a silica based polymer gel, cured in hydrosilylation addition reaction.
  • the polymer comprises two resin components: HZPO (a Si-H functionalized silica) and VZPO (a vinyl functionalized silica). Both components are synthesized in a sol-gel reaction separately and then mixed in the proper ratio into formulation 120 and cured to yield a semi-solid form.
  • HZPO was mixed from 3.2ml Methyldiethoxysilane (MDES), 6.5g diphenylsilanediol (DPSD) and 25mg amberlite IRC76 for 1 hour at 100°C and then, while stirring, 673 ⁇ zirconium propoxide (ZP) 70% in 1-propanol was added slowly and the reaction continued overnight.
  • MDES Methyldiethoxysilane
  • DPSD diphenylsilanediol
  • ZP zirconium propoxide
  • VZPO was mixed from 3.1g vinyltrimethylsilane (VTMS), 4.4g DPSD and 7.7mg barium hydroxide monohydrate in 0.86ml p-xylene at 80°C and then, while stirring, ZP was added slowly, with the reaction time being four hours.
  • ZPH was prepared by mixing VZPO and HZPO in a ratio of 1 : 1 mol/mol and 10ml of a platinum catalyst was added to the viscous liquid, which was then stirred vigorously for one minute and applied on the substrate using a coating rod.
  • Protective film 131 was inserted into the oven in 150°C for three hours for curing.
  • Additional examples for protective films 131 include using polymerized MMA (methyl-methacrylate) as protection, by allowing MMA to diffuse into the sol-gel pores.
  • Color conversion films 130 may be coated with additional MMA monomers that penetrate the sol-gel pores and then polymerize inside, thereby improving the life time of film 130.
  • the preparation procedure may be modified to provide such polymerization conditions.
  • Some embodiments comprise using a trimethoxysilane derivative as coating, e.g., an R-TMOS coating with R being e.g., phenyl, methyl, CH2CH2CF3 or other groups, with proper process adaptations which provide the coating conditions for forming protective film 131 and/or protective characteristics of film 130.
  • a trimethoxysilane derivative e.g., an R-TMOS coating with R being e.g., phenyl, methyl, CH2CH2CF3 or other groups
  • Some embodiments comprise using an epoxy silica ormosil solution layer as protective coating 131, such as an epoxy silica ormosil solution with no dye as protective layer 131 applied on cured film 130.
  • Other protective coatings 131 of film 130 may comprise an acetic anhydride surface treatment derived from acetic acid with ending -OH groups changed to -Ac groups to enhance life time and/or chlorotrimethoxysilane protective layer 131 having endings with -OH groups modified to -trimethylsilane to enhance life time.
  • disclosed protective films 131 may be used in a range of applications for protecting respective films from humidity and mechanical damages.
  • disclosed protective films 131 may be used to coat various plastic films (made of e.g., PEI (polyethylenimine), acrylic polymers, polycarbonate, PET, PDMS (polydimethylsiloxane) and related siloxanes, as well as other polymers), glass and metals/metal oxide films or surfaces (e.g., of copper, silicon, silicon oxides, aluminum, titanium and other transition metals and their oxides).
  • PEI polyethylenimine
  • acrylic polymers polycarbonate
  • PET PET
  • PDMS polydimethylsiloxane
  • related siloxanes as well as other polymers
  • glass and metals/metal oxide films or surfaces e.g., of copper, silicon, silicon oxides, aluminum, titanium and other transition metals and their oxides.
  • Protective films 131 may be configured to have corresponding good adhesion to the respective films.
  • protective films 131 may be used to coat diffusers, polarizers, glasses or any other film that needs temperature and humidity protection (e.g., up to 85°C , 95% relative humidity). [00302] In some embodiments, protective films 131 and/or formulations thereof may be used as fillers in porous films.
  • UV curing processes may be used additionally or in place of sol-gel processes to provide the color conversion films.
  • Formulations without and with rhodamine-based fluorescent compounds, films, displays and methods are provided, in which the fluorescent compounds are stabilized and tuned to modify display backlight illumination in a manner that increases the display's efficiency and widens its color gamut.
  • UV cured formulations may be used to provide fluorescent films that may be applied in various ways in the backlight unit and/or in the LCD panel and improve the display's performance.
  • the formulation, curing process and film forming procedures may be optimized and adjusted to provide a high photostability of the fluorescent compounds and narrow emission peaks of the backlight unit.
  • the sol-gel process may be replaced by a UV curing process, with respect to some or all layers of film 130.
  • Similar or different RBF compounds 115 may be used in UV cured layers, such as RBF compounds disclosed above, and films 130 produced by UV curing may replace (or complement) films 130 (or layers 132 and/or 134) produced by the sol-gel processes in the configurations of backlight unit 142 and display 140 which are illustrated in Figures 2A-2E and the related disclosure.
  • Other organic or inorganic fluorescent dyes as well as quantum dots may be embedded in disclosed UV cured films 130 or modifications thereof as well.
  • configurations of film 130 disclosed above in relation to display configurations, polarizing films and red enhanced films may be implemented with UV cured films 130 or layers 132, 134. In the following, examples for applicable UV processes are presented.
  • UV curing is advantageous due to the wide range of UV curable materials, which provide an opportunity to create polymeric matrices which are compatible with the incorporated dyes, such as RBF compounds 115.
  • the structure and the crosslinking density may be optimized and the interaction between the dye and the matrix may be minimized.
  • the use done in UV curing of highly reactive components may significantly reduce the amount of non- crosslinked material even at low UV exposure and short retention time - thereby enabling to minimize damage to the dye molecules while providing required matrices for the dye, e.g., matrices which provide high photostability, narrow FWHM (e.g., 40-60nm) and high QY in the green and red regions (e.g., due to less occupied vibration levels), for RBF compounds 115 or other fluorescent molecules).
  • the cross-linking degree may be optimized per dye material in order to obtain high QY (too much cross linking may degrade the QY).
  • formulations 120 which are then UV cured after being applied to transparent PET (polyethylene terephthalate) substrate or diffuser films (PET coated with PMMA coating) by drawing using coating rods for providing films with widths ranging 20-100 ⁇ which are then irradiated once under "H" UV lamp at conveyor speed 2-7 m/min.
  • Color conversion films 130 may comprise multiple layers which may be applied one on top of the other. Resulting color conversion films 130 (or protective films 131, see below) may be used as explained above by themselves or in combination with films 130 produced by sol-gel processes 200.
  • Formulations 120 for UV cured films 130 may comprise RBF compounds 115 as described above. Life times of fluorescent dyes in UV cured matrix are different for different dyes and depend on the cured formulation and on the curing conditions. Generally, the stability of RBF compounds 115 under continued blue light excitation provides a long life time.
  • UV cured films 130 in particular UV cured color conversion films 130, may be prepared from formulations 120 comprising 65-70% monomers, 25-30% oligomers, and 1-5% photoinitiator; as well as color conversion elements such as RBF compounds at low concentration (e.g., 0.005-0.05%), in weight percentages of the total formulation.
  • formulations 120 which are UV cured to yield respective films 130.
  • formulations 120 being a mixture of the ingredients listed in Table 2, such as the five specific formulations presented as non-limiting examples.
  • Table 2 UV cured formulations.
  • Formulations 1 and 2 were prepared by mixing all the ingredients, except the respective dyes, at a temperature of 50°C and cooling the mixture to room temperature. Mixing of formulation 3 was performed without heating. Then the respective dye was added and sonication was used to dissolve the dye into formulation 120.
  • Formulation 4 was prepared by mixing and sonication of a first part with rhodamine 110 and a second part with JK-32. Each part was prepared like formulations 1 and 2. The samples were applied to transparent PET substrate by drawing using a coating rod to ⁇ and irradiated once under H UV lamp at conveyor speed 2-5m/min. Formulation 5 was prepared by mixing all the ingredients, except ES-61, at a temperature of 50°C and cooling the mixture to room temperature.
  • the produced films may be combined and optimized to form film 130, for example a non-limiting example of film 130 was optimized to operate with a blue backlight source 80A of about 10mW/cm 2 of optical power and provided a red emission peak at 616nm with FWHM of 60nm and a green emission peak at 535nm with FWHM of 45nm, with a white point at (0.30, 0.27) CIE 1931 coordinates (white point adjustment may also be carried out as disclosed above).
  • Figures 11A-11B illustrate the emission spectrum of film 130 and its color gamut with respect to sRGB, NTSC and a quantum-dots-based display, according to some embodiments of the invention.
  • the color gamut provided by film 130 is similar to the color gamut defined by NTSC.
  • Formulations 1-5 are shown with red fluorescent RBF compounds and may be used as red-enhancing films 130 in displays with white light source 80B - as illustrated in Figures 5A and 5B which were discuss in detail above.
  • Figures 12A and 12C illustrate examples for absorption and emission spectra, respectively, of displays 140 with red-fluorescent RBF compound(s) films 130, according to some embodiments of the invention.
  • Film(s) 130 may be used e.g., to red-enhance white LED displays as disclosed above under the section titled "Red enhancement" and Figures 5A and 5B.
  • the absorption spectrum of film(s) 130 with red- fluorescent RBF compound(s) 115 has significant absorption in yellow region 80B-Y (550-600nm) and the fluorescent spectrum of film(s) 130 with red-fluorescent RBF compound(s) 115, using YAG-based LEDs 80B (YAG - yttrium aluminum garnet, Y3AI5O12) and measured after an LCD color display, shows the distinct peaks at the transmission regions of the RGB filters.
  • YAG-based LEDs 80B YAG - yttrium aluminum garnet, Y3AI5O12
  • FIG. 12B illustrates an example for a color gamut diagram of displays 140 with red-fluorescent RBF compound(s) films 130, according to some embodiments of the invention.
  • the gamut of disclosed display 140 is wider and extends into regions which are not represented by prior art displays, thereby providing better color representation.
  • the gamut range of disclosed display 140 larger than sRGB in the green and in the red regions.
  • the tunability of the spectral range of RBF compound(s) 115 in films 130 by controlling the sol-gel process may be used to extend the color gamut even further, to the wavelength region beyond 540nm to 530nm or over 520nm, providing even wider gamuts.
  • green fluorescent RBF compounds may be added to these formulations or may be applied in separate formulations to form films added to red fluorescent films.
  • formulations 120 being a mixture of the ingredients listed in Table 3, such as the five specific formulations presented as non- limiting examples.
  • Table 3 UV cured formulations.
  • Formulation 6 was prepared by mixing all the ingredients, except JK32, at a temperature of 50°C and cooling the mixture to room temperature. Then JK32 was added and sonication was used to dissolve it. The samples were applied to the back side of diffuser 144 at a layer 60 ⁇ thick using a coating rod and irradiated once under H UV lamp at conveyor speed 2m/min.
  • Formulation 7 was prepared by mixing all the ingredients, except RS56, at a temperature of 50°C and cooling the mixture to room temperature. Then RS56 was added and sonication was used to dissolve it. The samples were applied to a transparent PET substrate at a layer 60 ⁇ thick using an 80 ⁇ coating rod and irradiated once under H UV lamp at conveyor speed 2m/min.
  • Formulations 8 and 9 were prepared by mixing all the ingredients, except JK32, at a temperature of 50°C and cooling the mixture to room temperature. Then JK32 was added and sonication was used to dissolve it. The samples were applied to the back side of diffuser 144 at a layer 60 ⁇ thick using a coating rod and irradiated once under H UV lamp at conveyor speed 2m/min. Formulations 10 and 11 were prepared similarly to formulations 8 and 9, with respect to JK-71 and RS- 106, respectively in place of JK-32.
  • Film 130 made from formulation 6 had a QY of 49%, emission peak at 615nm and a lifetime prolonging factor of x5 (see Table 1 for comparison to films 130 prepared by sol-gel processes).
  • Film 130 made from formulation 7 had a QY of 57%, emission peak at 616nm and a lifetime prolonging factor of x8.
  • Figures 13A-13D illustrate the emission spectra of films 130 produced from formulations 8-11, according to some embodiments of the invention.
  • Formulations 6-9 and 11 are shown with red fluorescent RBF compounds and may be used as red-enhancing films 130 in displays with white light source 80B.
  • green fluorescent RBF compounds may be added to these formulations or may be applied in separate formulations to form films added to red fluorescent films.
  • Formulation 10 is shown with green fluorescent RBF compounds and may be used as green-enhancing films 130.
  • red fluorescent RBF compounds may be added to this formulation or may be applied in separate formulations to form films added to green fluorescent films.
  • Protective films are shown with green fluorescent RBF compounds and may be used as green-enhancing films 130.
  • red fluorescent RBF compounds may be added to this formulation or may be applied in separate formulations to form films added to green fluorescent films.
  • Some embodiments comprise applying a protective film 131 to color conversion film 130 and/or configuring color conversion film 130 to have protective properties which prevent humidity damages and cracking.
  • Any type of color conversion film 130 may be protected and/or enhanced as described in the following, e.g., RBF-compounds-based films 130 as well as films 130 based on other organic or inorganic fluorescent molecules and quantum-dot-based color conversion films 130.
  • UV cured protective film 131 may be formed using a mixture of 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexanecarboxylate, triarylsulfonium hexafluoroantimonate salts, mixed-50wt% in propylene carbonate, polyether modified polydimethylsiloxane and 3-ethyloxetane-3-methanol, which is UV cured on a conveyor.
  • UV cured protective film 131 may be formed by mixing 76.8% 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexanecarboxylate, 19.2% trimethylolpropane (TMP) oxetane (TMPO), 3.8% triarylsulfonium hexafluoroantimonate salts, mixed-50wt% in propylene carbonate and 0.2% polyether- modified polydimethylsiloxane (in this order) and stirring the mixture at room temperature.
  • TMP trimethylolpropane
  • TMPO trimethyloxetane
  • the sample was applied to a sol- gel layer (e.g., color conversion film 130 produced by a sol- gel process disclosed above) by drawing using a coating rod to form a 50 ⁇ layer and then irradiated once under H UV lamp at conveyor speed 7m/min.
  • the sol-gel layer was cleaned with ethanol and air dried before coating.
  • Figures 14A-14I illustrate schematically examples for illumination and absorption spectra, according to some embodiments of the invention.
  • Figure 14A illustrates white illumination spectrum 80B while
  • Figures 14B and 14C illustrate, respectively, absorption spectra 118 of red-fluorescent RBF compound 115 listed above as RS285 and of green-fluorescent RBF compound 115 listed above as ES144.
  • phosphorous compound(s) may be selected to enhance the correspondence between the resulting illumination spectrum and absorption spectra 118 of RBF and assistant dyes 115, 117 (see also Figure 20 above for spatial adjustment of illumination to red filter 86 only).
  • Figures 14G and 14H illustrate absorption spectra 118 and emission spectra 119 of two non-limiting examples for assistant dyes 117 - 5-FAM and 5-Carboxyfluorescein (respectively).
  • Figure 141 illustrates schematically fluorescence enhancement by assistant dyes 117.
  • Figure 14D illustrates blue illumination spectrum 80A.
  • Figure 14E illustrates schematically absorption and emission spectra 118, 119, respectively, of assistant dye 117 (e.g., 5-FAM, see below) and
  • Figure 14F illustrates schematically absorption curve 118 of red-fluorescent RBF compound 115 listed above as RS285.
  • Figures 14D-14F illustrates the disclosed method of diverting illumination from unused spectral regions into illumination that passes through color filters 86, using one or more assistant dyes 117 which absorb unused illumination and emit usable illumination (or illumination which is further absorbed and emitted in a spectral range that is transmitted through color filter 86).
  • assistant dyes 117 may be selected to provide required absorption and emission spectra while maintaining good integrability in color conversion film 130 and long photostability.
  • HPTS HPTS
  • pyranine 8-Hydroxypyrene-l,3,6-Trisulfonic Acid, Trisodium Salt
  • assistant dye 117 having an absorption peak at shorter wavelengths than 5-FAM (e.g., at ca. 450nm vs. 490nm), with a similar emission peak at 520-530nm (depending on embedding conditions).
  • Figure 141 illustrates schematically fluorescence enhancement by assistant dyes 117, according to some embodiments of the invention.
  • Assistant dyes 117 may be configured and used to transfer radiation from the green region of the spectrum to the red region of the spectrum by absorbing emitted green radiation and emitting the absorbed radiation in the absorption region of the red-fluorescent dye, the transfer is illustrated schematically in Figure 141 by arrow 117C from overlap region 117A through overlap region 117B to the red emission region.
  • an overlap area 117A (illustrated schematically as a broken-line triangle in Figure 141) between the emission of green dye (for example RS285) 115(G) with absorbance 118 of 5-FAM 117 as being around 10-30%; and overlap area 117B (illustrated schematically as a broken-line triangle in Figure 141) between emission 119 of 5-FAM 117 and absorbance 118 (115R) of red dye (for example ES144) 115(R) over 80%.
  • the extent of radiation 117C (illustrated schematically as an arrow from green to red) transferred from the green region to the red region of the spectrum is at least 10- 30% (of the 5-FAM absorbance) times 90% (of the 5-FAM quantum yield) times 80% (of the overlap between 5-FAM emission and red dye absorption) - resulting between 7 and 20%.
  • the FWHM of the green fluorescence 115(G) (e.g., by RS285) becomes narrower by estimated 5-20nm.
  • the inventors estimate that the intensity of the red fluorescence 115(R) (e.g., by ES144) may be increased by 10-30% compared to not using assisting dyes 117.
  • assisting dyes 117 improve the device performance with respect to the color gamut, efficiency and/or intensity.
  • 5-FAM and 5-Carboxyfluorescein may be used as assistant dyes 117 in the green region, and compounds such as red rhiodamines (e.g., rhodamine 12, rhodamine 101 from Atto-tec®, perylene dye F300 from Lumogen® etc.) may be used as assistant dyes 117 in the red region.
  • red rhiodamines e.g., rhodamine 12, rhodamine 101 from Atto-tec®, perylene dye F300 from Lumogen® etc.
  • Figure 14J is a high level flowchart illustrating a method 105, according to some embodiments of the invention.
  • the stages of method 105 may be carried out with respect to various aspects of precursors 110, formulations 120, films 130 and displays 140 described above, which may optionally be configured to implement method 105, irrespective of the order of the stages.
  • method 105 comprises configuring a LCD with RGB color filters to have at least one color conversion film prepared to have a R emission peak and/or a G emission peak (stage 150), patterning the at least one color conversion film with respect to a patterning of the RGB color filters to yield a spatial correspondence between film regions with R and G emission peaks and respective R and G color filter (stage 160), and positioning the color conversion film in an LCD panel of the LCD (stage 165).
  • method 105 comprises configuring a LCD with RGB color filters to have at least one color conversion film prepared to have a R emission peak and a G emission peak (stage 150), and adjusting an intensity of the R and G emission peaks of the at least one color conversion film to fine tune a white point of the LCD to be at a center of an expected line of deterioration of the intensity within given LCD specifications (stage 170).
  • method 105 comprises configuring a LCD with RGB color filters to have at least one color conversion film prepared to have a R emission peak and a G emission peak (stage 150), preparing the at least one color conversion film using a matrix and a process which direct self-assembly of molecules of color conversion molecules of the at least one color conversion film to yield polarization of at least part of illumination emitted by the color conversion film (stage 180), and replacing at least one polarizer in the LCD by the at least one color conversion film (stage 185).
  • method 105 comprises configuring a LCD with RGB color filters and white backlight illumination to have at least one color conversion film prepared to have a R emission peak (stage 190).
  • method 105 further comprises applying a protective layer to the color conversion film (stage 195).
  • method 105 may further comprise any of: preparing the protective layer by a sol-gel process with at least one of: zirconium- phenyl siloxane hybrid material (ZPH), methyl methacrylate (MMA), trimethoxysilane derivative and an epoxy silica ormosil solution; preparing the protective layer by an acetic anhydride surface treatment and/or a trimethylsilane surface treatment; and/or preparing the protective layer by a UV curing process using a mixture of 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexanecarboxylate and triarylsulfonium hexafluoroantimonate salts, mixed in propylene carbonate.
  • ZPH zirconium- phenyl siloxane hybrid material
  • MMA methyl methacrylate
  • trimethoxysilane derivative and an epoxy silica ormosil solution
  • the at least one color conversion film may comprise at least one RBF compound defined by Formula 1 and/or Formula 2.
  • the at least one color conversion film may be prepared by at least one corresponding sol-gel process (stage and method 200) and/or UV curing process (stage and method 300), which are presented in more detail below.
  • Figure 14J is further a high-level flowchart illustrating a method 200 which may be part of method 105, according to some embodiments of the invention.
  • the stages of method 200 may be carried out with respect to various aspects of precursors 110, formulations 120, films 130 and displays 140 described above, which may optionally be configured to implement method 200.
  • Method 200 may comprise stages for producing, preparing and/or using precursors 110, formulations 120, films 130 and displays 140, such as any of the following stages, irrespective of their order.
  • Method 200 may comprise preparing a hybrid sol-gel precursor formulation from: an epoxy silica ormosil solution prepared from TEOS, at least one MTMOS or TMOS derivative, and GLYMO; a nanoparticles powder prepared from isocyanate-functionalized silica nanoparticles, or non-functionlized silica nano particles, and ethylene glycol; and a metal(s) alkoxide matrix solution (stage 210), mixing the prepared hybrid sol-gel precursor with at least one RBF compound (stage 220); and spreading the mixture and drying the spread mixture to form a film (stage 230).
  • Method 200 may comprise comprising evaporating alcohols from the mixture prior to spreading 230 (stage 225).
  • stage 225 The inventors have found that using ethylene glycol 108 in the preparation of nanoparticles powder 109 and evaporating 225 the alcohols prior to spreading improves film properties, and, for example, enables reducing the number of required green-fluorescent RBF layers 132 due to the increased viscosity of formulation 120. Possibly, the number of required green-fluorescent RBF layers 132 may be reduced to one by substantial or complete evaporation of the alcohols in formulation 120 prior to spreading 230 (as detailed above).
  • Preparing 210 of the hybrid sol-gel precursor formulation may be carried out under acidic conditions (stage 212), mixing 220 may comprise adjusting types and amounts of the TMOS derivatives to tune emission wavelengths of the fluorophores (stage 215), spreading and drying 230 may be carried out respectively by bar coating and by at least one of convective heating, evaporating and infrared radiation (stage 240).
  • the RBF compound may be a red-fluorescent RBF compound and the TMOS derivative(s) may comprise for example PhTMOS and/or a TMOS with fluorine substituents; and/or the RBF compound may be a green-fluorescent RBF compound and the TMOS derivative(s) may comprise PhTMOS and/or FiTMOS with the PhTMOS:FiTMOS ratio being adjusted to tune emission properties of the green- fluorescent RBF compound.
  • TMOS derivatives may comprise F 2 TMOS (tridecafluoro- 1 , 1 ,2,2-tetrahydrooctyl)trimethoxysilane, 1 ,2-bis(triethoxysilyl)ethane, trimethoxy(propyl)silane, octadecyltrimethoxysilane, fluorotriethoxysilane, and ammonium(propyl)trimethoxysilane.
  • Method 200 may comprise forming the film from at least one red fluorescent RBF compound and/or from at least one green fluorescent RBF compound (stage 250).
  • the RBF compound(s) may be supramoleculary encapsulated and/or covalently embedded in one or more layers.
  • method 200 may comprise forming the film from at least one red fluorescent RBF compound to enhance a red illumination component in displays using a white light source (stage 280), such as a white-LED-based display.
  • a white light source such as a white-LED-based display.
  • films may be formed to have both red and green fluorescent RBF compounds and be used for enhancing red and green illumination components in displays using a blue light source (blue LEDs).
  • Method 200 may comprise associating the film with any of the diffuser, prism film(s) and polarizer film(s) in a display backlight unit (stage 260), e.g. attaching one or more films onto any of the elements in the display backlight unit or possibly replacing one or more of these elements by the formed film(s).
  • method 200 may comprise configuring the film to exhibit polarization properties (stage 270) and using the polarizing film to enhance or replace polarizer film(s) in the display backlight unit.
  • Figure 14J is further a high level flowchart illustrating a method 300 which may be part of method 105, according to some embodiments of the invention.
  • the stages of method 300 may be carried out with respect to various aspects of formulations 120, films 130 and displays 140 described above, which may optionally be configured to implement method 300.
  • Method 300 may comprise stages for producing, preparing and/or using formulations 120, films 130 and displays 140, such as any of the following stages, irrespective of their order.
  • Method 300 may comprise preparing a formulation from 65-70% monomers, 25- 30% oligomers, 1-5% photointiator and at least one RBF compound (stage 310), in weight percentages of the total formulation, spreading the formulation to form a film (stage 330), and UV curing the formulation (stage 340).
  • Method 300 may comprise any of: selecting the monomers from: dipropylene glycol diacrylate, ditrimethylolpropane tetraacrylate, dipentaerythritol hexaacrylate, ethoxylated pentaerythritol tetraacrylate, propoxylated (3) glyceryl aery late and trimethylolpropane triacrylate; selecting the oligomers from: polyester acrylate, modified polyester resin diluted with dipropyleneglycol diacrylate and aliphatic urethane hexaacrylate; and selecting the photo intiat or from: alpha- hydro xy- cyclohexyl-phenyl-ketone and alpha-hydro xy ketone (possibly difunctional).
  • Method 300 may further comprise configuring the formulation and the film to yield a color conversion film and determining UV curing parameters to avoid damage to the color conversion elements, such as RBF compound(s) (stage 345). Method 300 may further comprise forming the color conversion film with at least one red fluorescent RBF compound and with at least one green fluorescent RBF compound (stage 350).
  • method 300 may comprise configuring the color conversion film to exhibit polarization properties (stage 370), e.g., by directing self- assembly of molecules of the RBF compound(s) into at least partial alignment.
  • Method 300 may further comprise associating the color conversion film with any of: a diffuser, a prism film and a polarizer film in a display backlight unit (stage 360).
  • method 300 may comprise forming the color conversion film with at least one red fluorescent RBF compound to enhance a red illumination component in a white-LED-based display (stage 380) by shifting some of the yellow region in the emission spectrum of the white light source into the red region, namely into the R transmission region of the R color filter, to reduce illumination losses in the LCD panel while maintaining the balance between B and R+G regions in the RGB illumination (stage 382).
  • Method 105 may comprise enhancing a green component of illumination delivered to RGB filters of a LCD by using at least one green- fluorescent RBF compound selected to have an absorption peak outside a transmission region of a green one of the RGB filters and a fluorescence peak inside the transmission region of the green filter (stage 390), for example, by shifting some of the cyan region in the emission spectrum of the light source into the G transmission region of the G color filter (stage 392).
  • Green enhancement may be carried out in addition to red enhancement, namely enhancing a red component of illumination delivered to RGB filters of a LCD by using at least one red-fluorescent RBF compound selected to have an absorption peak outside a transmission region of a red one of the RGB filters and a fluorescence peak inside the transmission region of the red filter (stages 380, 382).
  • Method 105 may comprise integrating color conversion RBF compounds in RGB color filters of a LCD panel, wherein the RBF compounds are selected to absorb illumination from a backlight unit and have at least one of an R emission peak and a G emission peak - corresponding to transmission peaks of the RGB color filters (stage 400).
  • Method 105 may comprise shaping a spectral distribution of illumination delivered to RGB filters of a LCD by using at least one fluorescent compound in a color conversion film, wherein the at least one fluorescent compound is selected to have, when embedded in the color conversion film, an absorption peak outside a respective transmission region of one of the RGB filters and a fluorescence peak inside the respective transmission region of the RGB filter (stage 410).
  • Method 105 may comprise shaping a spectral distribution of illumination delivered to RGB filters of a LCD by using a plurality of fluorescent compounds in a color conversion film, wherein the fluorescent compounds are selected to have, when embedded in the color conversion film, a series of absorption peaks outside a respective transmission region of one of the RGB filters and series of fluorescence peaks, at least one of the fluorescence peaks being inside the respective transmission region of the RGB filter and at least one other fluorescence peak being intermediate between the fluorescence peak inside the respective transmission region and the absorption peaks, forming a photon delivery chain from filtered to unfiltered regions of the spectrum.
  • Method 105 may comprise shaping a spectral distribution of illumination delivered to RGB filters of a LCD by using at least one fluorescent compound in a color conversion film, wherein the at least one fluorescent compound is selected to have, when embedded in the color conversion film, an absorption curve and a fluorescence curve, at least one which selected to re-shape a spectral region of the illumination within a respective transmission region of one of the RGB filters to decrease FWHM (full width at half maximum) of the illumination in the respective transmission region.
  • method 105 may comprise reducing illumination curve asymmetry using spectrum shaping dyes (stage 414).
  • UV-Vis absorption of is: 581 nm (in ethanol) (See Figure 15A).
  • UV-Vis absorption 579 nm (in ethanol) (See Figure 16A).
  • Fluorescence emission 608 nm (in ethanol) (See Figure 16B).
  • UV-Vis absorption of Compound 4 is: 564 nm (in ethanol) (see Figure 17A).
  • Fluorescence emission 587 nm (in ethanol) (See Figure 17B).
  • 9A (0.219 gr, 0.39 mmol) was dissolved in methanol (55.0 ml) under nitrogen atmosphere. Acetyl chloride (1.8 ml, 2.5 mmol) was added dropwise at room temperature and the solution was heated to reflux. The solution was kept at reflux for 7 days in which fresh portions of acetyl chloride (0.35 ml, 5.0 mmol) were added twice a day. Then the solvent was removed under reduced pressure and the crude product was further purified using flash chromatography (DCM:MeOH 8: 1). The pure product was obtained as dark purple solid (yield 51%).
  • UV-Vis absorption 600 nm (in EtOH) (See Figure 21 A).
  • tetrachlorophthalic anhydride 8-hydroxyjulolidine 8-Hydroxyjulolidine (0.4 gr, 2.1 mmol), tetrachlorophthalic anhydride (0.38 gr, 1.32 mmol) and j?-toluene sulfonic acid monohydrate (0.02 gr, 0.11 mmol) were dissolved in propionic acid (3.0 ml) under nitrogen atmosphere. The reaction was heated to reflux for 6 days. After cooling to room temperature, the solvent was removed under reduced pressure. The crude product was further purified using flash chromatography (DCM:MeOH 9: 1). The pure product was obtained as dark purple solid 11-a (yield 24%).
  • UV-Vis absorption 594 nm (in EtOH) (See Figure 23A).
  • Fluorescence emission 609 nm (in EtOH) (See Figure 23B).

Abstract

La présente invention a trait à des films de conversion de couleur pour un afficheur à cristaux liquides (LCD) comportant des filtres colorés RVB (rouge, vert, bleu), ainsi qu'à des afficheurs de ce type, à des formulations, à des précurseurs et à des procédés qui améliorent les performances d'affichage en termes de gamme de couleurs, de rendement énergétique, de matériaux et de coûts. Les films de conversion de couleur absorbent l'éclairage de rétroéclairage et ils convertissent l'énergie en émission verte et/ou rouge ayant un rendement élevé, des gammes de longueurs d'onde spécifiées et des pics d'émission étroits. Par exemple, des composés fluorescents à base de rhodamine sont utilisés dans des matrices produites par des méthodes sol-gel et/ou des méthodes de durcissement aux ultraviolets (UV) qui sont conçues pour stabiliser les composés et prolonger leur durée de vie, afin d'obtenir les caractéristiques d'émission exigées des films de conversion de couleur. L'intégration de film et les configurations d'affichage améliorent davantage les performances d'affichage avec des films de conversion de couleur utilisant divers éléments de conversion de couleur.
PCT/IL2017/050976 2015-11-16 2017-08-31 Sols-gels, leurs procédés de préparation et leur traitement WO2018042437A1 (fr)

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US15/252,492 US9771480B2 (en) 2015-11-16 2016-08-31 Rhodamine derivatives dyes and uses thereof
US15/252,597 2016-08-31
US15/252,492 2016-08-31
US15/252,597 US10100197B2 (en) 2016-08-31 2016-08-31 Rhodamine derivatives dyes and uses thereof
US15/353,015 2016-11-16
US15/353,015 US9868859B2 (en) 2015-11-16 2016-11-16 Color conversion in LCD displays

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