WO2002103661A1 - Unite d'affichage et procede de production de cette unite d'affichage - Google Patents

Unite d'affichage et procede de production de cette unite d'affichage Download PDF

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Publication number
WO2002103661A1
WO2002103661A1 PCT/JP2002/005817 JP0205817W WO02103661A1 WO 2002103661 A1 WO2002103661 A1 WO 2002103661A1 JP 0205817 W JP0205817 W JP 0205817W WO 02103661 A1 WO02103661 A1 WO 02103661A1
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WO
WIPO (PCT)
Prior art keywords
display
color filter
color
display device
patterned
Prior art date
Application number
PCT/JP2002/005817
Other languages
English (en)
Japanese (ja)
Inventor
Takatoshi Tsujimura
Kohichi Miwa
Mitsuo Morooka
Osamu Tokuhiro
Original Assignee
International Business Machines Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corporation filed Critical International Business Machines Corporation
Publication of WO2002103661A1 publication Critical patent/WO2002103661A1/fr

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Classifications

    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
    • 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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • 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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G02F2203/055—Function characteristic wavelength dependent wavelength filtering
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]

Definitions

  • the present invention relates to a display device, and more particularly, to a display device including a display driving unit selected from an electrophoresis device, an organic electroluminescence device, a luminescence device or a liquid crystal display device, and capable of performing color display. . Background art
  • various display devices such as a display device using a liquid crystal display device and a display device using an organic electro-luminescence device are used in a display drive unit of a computer, a cellular phone, a clock, and the like.
  • electrospinning displays using electrophoresis as a reflective display are also attracting attention as display devices for display devices because of their light weight and low power consumption.
  • FIG. 9 is a diagram showing a configuration of an electrophoretic display using electrophoresis as a conventional display device.
  • white fine particles 52 such as titanium oxide are dispersed between a support 50 composed of a glass and a polymer film and a support 51 such as a conductive film.
  • a microcapsule 53 containing an organic solvent is disposed.
  • a patterned electrode 54 is formed on the side of the support 50 that is in contact with the microcapsule 53, and the electrode 54 is formed between the electrode 54 and the support 51 formed of a conductive film. It is configured so that a voltage can be applied between them.
  • the white fine particles 52 such as titanium oxide contained in the microcapsules 53 are dispersed in an organic solvent and have a positive or negative surface charge in the organic solvent.
  • the white fine particles 52 are electrophoresed in a direction corresponding to the surface charge by an electric field generated between the electrode 54 and the support 51.
  • the surface of the white fine particles 52 is positively charged, and the potential is low, for example, ground or negative potential, from the electrode 54a to which the positive potential is applied. It is shown that electrophoresis is performed on the support 51 side.
  • ground or a negative potential is applied to the electrode 54b, and the positively charged white fine particles 52 are shown to be electrophoresed toward the electrode 54b.
  • the micro force plate 53 a is white because the white fine particles 52 electrophores toward the support 51 side.
  • Light is reflected, and in the microcapsules 53b, the white fine particles 52 are electrophoresed toward the electrode 54b, so that they cannot reflect light, and an image corresponding to the characteristics of the white fine particles 52 Shape contrast can be provided.
  • a black dye is dissolved in the organic solvent in the microcapsules 53 to enhance the contrast.
  • a good black-and-white contrast can be provided between the microcapsules 53 a and the microcapsules 53 b, and the display can be made clearer. Can be.
  • FIG. 10 shows a conventional method of manufacturing a color filter applied to a liquid crystal display or the like.
  • a color filter is formed by depositing a chromium (Cr) glass film 61 on a glass substrate 60, applying a photoresist 62 on the chromium glass film 61, and forming a hydrofluoric acid.
  • the chromium glass film 61 is etched with hydrofluoric acid salts to form a plaque'matrix BK as shown in FIG. 10 (b).
  • a photoresist 63 colored red (R) is applied, exposed by ultraviolet rays (UV), and developed, and then, as shown in FIG. Configure the R filter as shown in).
  • the same process is performed for green (G) and blue (B) to form three primary color filters as shown in Fig. 10 (e).
  • the color filter is finally formed by protecting the surface with a protective film 64 as shown in FIG. 10 (f).
  • JP-A-54-35752, JP-A-54-79050, JP-A-62-63901 and JP-A-4-70601 disclose a photosensitive emulsion containing a silver salt as a color filter.
  • a method for producing a color filter which describes production using a composition and does not use a solvent. Is disclosed.
  • 61-101 is used in an optical system for a color television, and when forming a black matrix for providing clarity of display of a display device, a black filter is used.
  • ⁇ There is a disadvantage that it is necessary to add a manufacturing process for matrix manufacturing. F.
  • a color filter that can provide color display and reduce the number of process steps, while providing sufficient optical characteristics to electrophoretic displays and organic electroluminescent displays, luminescence displays, has been developed.
  • a display device capable of color display including a display driving unit selected from an electrophoretic display, an organic electro-luminescence display, and a liquid crystal display, and a method of manufacturing the display device.
  • the present invention has been made in view of the above problems, and the present invention provides (1) a support for swelling or dissolving a support 51 by a solvent at the time of applying a photoresist; (2) Further, deterioration and damage of the display drive unit and short-circuit between the supports due to the penetration of the solvent at the time of applying the photoresist through the maintenance body 51, (3) To provide a display device capable of color display without causing the inconvenience that a lithography step for forming a black matrix portion needs to be added, and a method of manufacturing the display device. With the goal. Disclosure of the invention
  • the object of the present invention is to provide a display device and a method for manufacturing a display device according to the present invention. Achieved by providing.
  • the display device includes: a display driving unit that is held between opposed electrodes at least one of which is patterned; and a color filter provided adjacent to the display driving unit.
  • a display device is provided, which is patterned into a black matrix pattern and three primary color patterns and is formed by laminated photosensitive layers corresponding to the three primary colors.
  • the display drive unit is selected from an electrophoretic device, an organic electroluminescent device, or a liquid crystal display device that provides image-like contrast.
  • a display device that can be used for performing color display can be provided.
  • the photosensitive layer is a photosensitive emulsion layer containing a silver salt.
  • a step of forming a display drive section held between opposed electrodes at least one of which is patterned, and a step of forming a color filter adjacent to the display drive section are provided.
  • a process for forming the color filters wherein a step of laminating a photosensitive layer corresponding to the three primary colors adjacent to the display driving unit; and a step of forming the three primary colors of the color filter on the photosensitive layer.
  • the display drive unit is selected from an electrophoretic device that gives an image-like contrast, an organic EL device “luminescence” device, and a liquid crystal display device.
  • the photosensitive layer can be formed by coating a photosensitive emulsion layer containing a silver salt or laminating a photosensitive emulsion film containing a silver salt.
  • a method for manufacturing a display device used for performing color display can be provided.
  • a display driving unit held between opposed electrodes at least one of which is patterned
  • a color filter provided adjacent to the display drive unit, wherein the color filter is patterned into a black matrix pattern and a three primary color pattern, and is a laminated photosensitive layer corresponding to each of the three primary colors.
  • An electrophoretic display device is provided.
  • Forming a color filter adjacent to the display drive section wherein the step of forming the color filter comprises: a photosensitive layer corresponding to three primary colors adjacent to the display drive section. And exposing and developing the photosensitive layer through a color mask having a three primary color pattern and a black matrix pattern of the color filter.
  • FIG. 1 is a side view of the display device according to the first embodiment of the present invention.
  • FIG. 2 is a side view of the display device according to the second embodiment of the present invention.
  • FIG. 3 is a side view of the display device according to the third embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a method for manufacturing a display device of the present invention.
  • FIG. 5 is a diagram illustrating the operation of forming a color filter in the present invention.
  • FIG. 6 is a side view of the display device according to the fourth embodiment of the present invention.
  • FIG. 7 is a side view of a display device according to a fifth embodiment of the present invention.
  • FIG. 8 is a side view ⁇ of the display device according to the sixth embodiment of the present invention.
  • FIG. 9 is a diagram showing a conventional electrophoretic device.
  • FIG. 10 is a diagram showing a conventional color filter manufacturing method. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a diagram showing a first embodiment of the display device of the present invention.
  • the display device shown in FIG. 1 is configured to include a support 1, a conductive-treated support 2, and a microcapsule 3 held between the support 1 and the support 2. It is an electrophoretic display.
  • Electrodes 4 formed in a pattern are provided on the side of the support 1 facing the microcapsules 3.
  • the patterned electrode 4 is preferably as small as possible in order to provide a fine display, and for example, may be 150 m or less in size.
  • the portion held by the electrode 4 and the support 2 forms a display driving section-5 in the present invention for performing a display operation.
  • a display driving unit 5 of the present invention in addition to the electrophoretic display, an organic electroluminescent display or a liquid crystal display in which liquid crystal molecules are filled in a cell held between electrodes can be used. Any conventionally known liquid crystal display device can be used for this purpose. Can also be used.
  • a conductive treatment layer 2 a used as an electrode is formed on a side of the support 2 facing the microcapsule 3.
  • the configuration is such that an electric field can be generated between the support 1 and the support 2.
  • the support 1 is not particularly limited in the present invention, and any glass or polymer film known so far can be used.
  • the support 2 in the present invention a known transparent support such as glass or polymer film can be used.
  • the polymer film can be formed from a polymer film having a towable property, and the surface of the light is formed from a metal such as gold, silver, copper, nickel, aluminum, and the like. permeable membrane attached in a conductive-treated polymer film or gold, silver, copper, nickel, Arumiyuu arm, ITO, AT O, a material such as S N_ ⁇ 2, CVD (chemical 'vapor-deposition, ) Or conductive film deposited and conductive treated by a suitable method, such as PVD (fiber-deposition / vapor-deposition).
  • microcapsules 3 that can be used in the present invention can be manufactured by any known micro force psenolation method, for example, gelatin, polyurethane, acrylic resin, urea resin, gum arabic, etc. Can be used.
  • the microcapsule 3 is filled with an organic solvent and white fine particles 6 dispersed in the organic solvent.
  • white fine particles 6 dispersed in the organic solvent.
  • black matrix Of black dye has been dissolved.
  • the microcapsules 3 described above can be used in any size. However, from the viewpoint that electrophoresis can be efficiently generated at a low voltage, the particle size is preferably 20 to 200 ⁇ , and further, in terms of display speed and display drive unit 5. The particle size is preferably about 100 / xm from the viewpoint of manufacturability.
  • the potential applied between the support 1 and the support 2 can be in the range of 1 V to 100 V in terms of display speed and withstand voltage, and 1 V to 100 V in terms of power consumption. It is preferable to be in the range of 3 OV.
  • the white fine particles 6 described above can be used in the present invention, for example, titanium oxide (T I_ ⁇ 2), zinc oxide (ZnO), barium sulfate (B a S_ ⁇ 4), white lead (2PbC0 3. P b (OH) 2 ).
  • the particle size of the white fine particles 6 is 1 ⁇ ! ⁇ 5 ⁇ .
  • these white fine particles can be appropriately mixed and used, and if necessary, a dispersant, a surfactant, and the like can be used to improve dispersibility. Further, if necessary, another colored particle or fine particle can be mixed and used.
  • the display device of the present invention shown in FIG. 1 in the microcapsules 3a in which a voltage is applied and the white fine particles 6 move to the color filter 7, the light is indicated by an arrow R ref d.
  • the microcapsules 3b that reflect light and move toward the electrode 4 absorb light as indicated by the arrow Absd., Thereby enabling color display.
  • the electrophoretic device used as the display driving unit 5 holding the microcapsules 3 described above is, for example, a method in which a solution containing the microphone opening film 3 is applied to the support 1 on which the electrodes 4 are formed, and then the conductive film is formed. It can be manufactured by laminating the support 2 thus obtained.
  • a color filter 7 is disposed on the side of the support 2 on which light rays are incident.
  • the filter 7 includes a photosensitive layer corresponding to three primary colors such as cyan, magenta, yellow, or R, G, and B.
  • the photosensitive layer can be composed of a photosensitive emulsion containing a silver salt or a layer containing a photosensitive resin or a photosensitive resin composition.
  • the filter 7a corresponding to R is used for R color formation.
  • the filter 7b corresponding to G is a photosensitive emulsion including a coupler for G color development (ie, C + Y), and a filter corresponding to B.
  • Filter 7c can be a photosensitive emulsion containing a coupler for B color development (ie, M + C).
  • a desired color can be given by combining a plurality of filter layers 7a to 7c by using a coupler that generates complementary colors corresponding to R, G, and B, respectively.
  • silver salts that can be used include silver chloride, silver iodide, silver bromide, silver chloroiodide, silver chlorobromide, silver iodobromide, and mixtures thereof. it can.
  • any coupler that has hitherto been known in silver halide photography can be used.
  • a sensitizer can be appropriately mixed and used to adjust the photosensitive wavelength.
  • the filter layers 7a to 7c containing the above-mentioned photosensitive emulsion may have a composition for wet development, or may have a composition enabling dry development as appropriate.
  • a composition capable of dry development By using a composition capable of dry development, a step particularly provided for development can be eliminated.
  • the filter layers 7a to 7c containing these photosensitive emulsions can be formed on the support 2 by, for example, simultaneously coating three layers as an aqueous gelatin solution, or containing the respective photosensitive emulsions.
  • Film on support 2 It can be formed by a method such as laminating on a sheet.
  • a water-soluble photosensitive resin or a photosensitive resin composition can be used, if possible.
  • the photosensitive layer include water-soluble resins such as polybutyl alcohol and gelatin.
  • a photosensitive monomer or sensitizer capable of being activated in a wavelength range corresponding to R, G, and B, and a dye corresponding to the three primary colors can be used.
  • a method of applying a photosensitive resin solution, forming a photosensitive film in advance, and laminating the photosensitive resin solution is used. can do. As shown in FIG.
  • the color filter 7 is provided with colored portions 8a, 8b, and 8c that are exposed to form a color filter pattern, as described later.
  • the respective ends of the colored portions 8a to 8c are partially overlapped to form a portion corresponding to Black'Matrix BK.
  • FIG. 2 is a diagram showing a second embodiment of the display device of the present invention.
  • the display device of the present invention shown in FIG. 2 has the same configuration as that of the embodiment shown in FIG. 1, except that a conductive film is used as the support 2.
  • the conductive film used in the embodiment of the display device of the present invention shown in FIG. 2 includes, for example, gold in a suitable polymer such as polyvinylidene dendrite (PVDF), acrylic resin, silicone resin, and polystyrene resin.
  • PVDF polyvinylidene dendrite
  • acrylic resin acrylic resin
  • silicone resin silicone resin
  • polystyrene resin polystyrene resin
  • Silver copper, aluminum, palladium and when Commercially available metals such as metal or a conductive metal oxide such as ITO, ATO, and SnO2 may be used.
  • FIG. 3 shows a third embodiment of the display device of the present invention.
  • an organic electroluminescence device is held between a support 1 and a support 2, and a display driver 5 is formed.
  • the organic electroluminescent device shown in FIG. 3 includes an electron injection layer 9 used as a patterned electrode, a hole injection layer 10 and a light emitting layer 11.
  • the light emitting layer 11 emits white light.
  • the display driving section 5 can be formed by, for example, a method such as lamination also in the above-described organic electroluminescence device.
  • the color filter 7 described in FIG. 1 is arranged adjacent to the support 2.
  • the color filter 7 can provide a color display by giving one of the three primary colors to the white light emitted from the light emitting layer 11 by the color filter 7 at the corresponding position.
  • the color filter 7 is formed by laminating or coating from an aqueous solution, so that the optical characteristics of the support 2 are not degraded and the light emitting layer 11 is adversely affected. It is possible to provide a good display device without giving a display.
  • FIG. 4 is a diagram showing a manufacturing method for forming a color filter 7 for a display driving section 5 including an electrophoresis device or an organic electroluminescence device for use in the display device of the present invention.
  • a color filter 7 is formed on the support 2 by a method such as coating or lamination.
  • a photosensitive emulsion is used as the color filter 7, a protective film can be laminated on the uppermost layer.
  • the three primary color patterns of the desired color filter 7 and black Exposure is performed by a high-pressure mercury lamp, a metal halide lamp, a xenon lamp and V, through a color mask 12 including a region for forming a portion corresponding to the matrix BK.
  • the photosensitive layer for forming the color filter 7 is exposed.
  • the reaction between the nipple and the dye precursor is carried out, and the developing process forms the filter layers 7a, 7b, and 7c of the respective colors.
  • a wet process is used for the development process.
  • the development process described above can be any process known so far.
  • FIG. 5 is a diagram for explaining the operation when the color filter 7 is manufactured using the photosensitive emulsion as the photosensitive layer.
  • the color mask 12 has colored portions 12a, 12b, and 12c corresponding to C, M, and Y, respectively.
  • the color mask 12 is positioned with respect to the display drive unit 5 and irradiated with white light through the color mask 12, the complementary colors corresponding to the colored portions 12a, 12b, and 12c are absorbed. Then, the photosensitive emulsion constituting each of the filter layers 7a, 7b and 7c is irradiated.
  • Each filter layer 7a, 7b, 7c containing the photosensitive emulsion has a sensitizer corresponding to the wavelength passing through the colored portions 12a, 12b, 12c, and R, G and B color cutting knives are included, silver salt reacts in response to irradiation of light, and a force blaster reacts, so that predetermined areas after the development process correspond to R, G, B Formed as a filter.
  • the finoleta layers 12a to 12c can be formed using a positive resist material containing R, G, and B colorants.
  • This positive resist material can be composed of a positive photosensitive resin or a positive photosensitive resin composition.
  • FIG. 6 shows a fourth embodiment of the display device of the present invention.
  • the color filter layers 7a to 7c are configured such that two layers adjacent to each other are combined to give a desired coloring.
  • the embodiment shown in FIG. 6 is applied to the case where the light filter 7 is manufactured using a photosensitive emulsion as a photosensitive layer.
  • the color mask 12 has colored portions 12a, 12b, and 12c corresponding to C, M, and Y, respectively, as shown in FIG.
  • Each of the filter layers 7a to 7c containing the photosensitive emulsion contains a sensitizer corresponding to the wavelength passing through the colored portions 12a, 12b, and 12c, and various cutlery.
  • the silver salt reacts in response to light irradiation, and the C, M, and Y color couplers react to form a predetermined area as a filter corresponding to R, G, and B after the development process. . Further, in the colorless transparent portion 14 formed on the color mask 12, the filter layers 7a to 7c are exposed to light and the respective layers are co-colored, so that a black matrix BK portion can be formed.
  • the filter layer used in the embodiment shown in FIG. 6 can use a photosensitive emulsion as described above.
  • a colorant desired for a negative photoresist is used. Can be used by imparting the same photosensitive characteristics.
  • FIG. 7 shows a fifth embodiment of the display device of the present invention.
  • the filter layers 7a, 7b, and 7c are formed corresponding to R, G, and B, and the filter layers 7a, 7b, and 7c are used alone.
  • the color mask is not composed of C, M, and Y, but rather is a colorless transparent part 14 to form a black matrix ⁇ ⁇ ⁇ ⁇ and color separation into R, G, and B. Color masks containing formed portions can be used.
  • the filter layers 7a to 7c can be formed using a negative photoresist. Further, in the embodiment shown in FIG.
  • the optically transparent protective film 15 is replaced with a color filter.
  • the color filter 7 is laminated on the upper surface of the filter 7 by, for example, a method such as lamination to protect the color filter 7.
  • FIG. 8 shows a sixth embodiment of the display device of the present invention.
  • the filter layers 7a to 7c are composed of Y, M, and C colors.
  • the color mask includes a non-transmissive portion 13 for forming a black matrix BK and color-separated portions corresponding to R, G, and B, respectively.
  • a plurality of filter layers adjacent to each other are used to give a desired coloring.
  • each of the filter layers 7a to 7b can be formed using, for example, a silver halide finolem or a photodepolymerizable positive photoresist.
  • the light transmitted through the color mask for example, R
  • a is colored or depolymerized.
  • any conventionally known photosensitizer which is sensitive only to a desired wavelength region can be used.
  • the color filter 7 shown in FIG. 8 can be formed.
  • the black 'matrix BK does not transmit light, there is no coupling reaction, and there is no increase in the dissolution rate due to photodepolymerization, so C, M, and Y are superimposed to form the black matrix part.
  • color display can be performed without adversely affecting the characteristics of a display driving unit such as an electrophoretic device or an organic electroluminescent device.
  • the manufacturing process can be significantly simplified as compared with the conventional color filter manufacturing.
  • the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments shown in the drawings, but includes a layer configuration, a photosensitive material, and a configuration of a display driving unit. Throughout the details of the present invention, it is possible to use even known configurations. Further, the manufacturing method of the present invention can be used even when a liquid crystal display is used as a display driving unit, and in particular, it is not appropriate to manufacture a color filter by a conventional photolithography process. It can also be applied to devices.

Abstract

Cette invention concerne une unité d'affichage ainsi qu'un procédé de production de cette unité d'affichage, selon lequel un filtre coloré est imprimé dans un motif à matrice noire et dans un motif à trois couleurs primaires, et se compose de couches photosensibles correspondant respectivement aux trois couleurs primaires. Cette unité d'affichage comprend une unité de commande (5) d'affichage placée entre des électrodes (2a, 4) situées face à face, dont au moins une est imprimée, et un filtre coloré (7) situé adjacent à l'unité de commande (5) d'affichage. Ce filtre coloré (7) est imprimé dans un motif à matrice noire et dans un motif à trois couleurs primaires et se compose de couches photosensibles (7a, 7b, 7c) correspondant respectivement aux trois couleurs primaires. L'unité de commande (5) d'affichage peut être sélectionnée entre un dispositif d'électrophorèse qui produit un contraste de type image, un dispositif à électroluminescence organique et un dispositif d'affichage à cristaux liquides.
PCT/JP2002/005817 2001-06-19 2002-06-11 Unite d'affichage et procede de production de cette unite d'affichage WO2002103661A1 (fr)

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JP2001-184304 2001-06-19

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1785768A1 (fr) * 2005-11-11 2007-05-16 Bridgestone Corporation Panneau d'affichage d'information
CN100389359C (zh) * 2003-03-31 2008-05-21 精工爱普生株式会社 显示装置、电子设备和显示方法
CN100510925C (zh) * 2005-09-28 2009-07-08 株式会社普利司通 信息显示用面板及其制造方法
CN100573295C (zh) * 2005-11-11 2009-12-23 株式会社普利司通 信息显示用面板
KR20180088379A (ko) * 2016-12-23 2018-08-03 보에 테크놀로지 그룹 컴퍼니 리미티드 디스플레이 기판 및 그것의 제조 방법, 디스플레이 디바이스
CN112038384A (zh) * 2020-09-14 2020-12-04 京东方科技集团股份有限公司 一种显示面板及其制作方法、显示装置
CN112198732A (zh) * 2020-10-21 2021-01-08 上海大学 一种彩色电子纸

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JPH10232307A (ja) * 1996-12-20 1998-09-02 Fuji Photo Film Co Ltd カラーフィルターの製造方法

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JPH10232307A (ja) * 1996-12-20 1998-09-02 Fuji Photo Film Co Ltd カラーフィルターの製造方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100389359C (zh) * 2003-03-31 2008-05-21 精工爱普生株式会社 显示装置、电子设备和显示方法
CN100510925C (zh) * 2005-09-28 2009-07-08 株式会社普利司通 信息显示用面板及其制造方法
EP1785768A1 (fr) * 2005-11-11 2007-05-16 Bridgestone Corporation Panneau d'affichage d'information
CN100573295C (zh) * 2005-11-11 2009-12-23 株式会社普利司通 信息显示用面板
KR20180088379A (ko) * 2016-12-23 2018-08-03 보에 테크놀로지 그룹 컴퍼니 리미티드 디스플레이 기판 및 그것의 제조 방법, 디스플레이 디바이스
EP3561874A4 (fr) * 2016-12-23 2020-10-28 Boe Technology Group Co. Ltd. Substrat d'affichage et son procédé de fabrication, et dispositif d'affichage
KR102206530B1 (ko) 2016-12-23 2021-01-22 보에 테크놀로지 그룹 컴퍼니 리미티드 디스플레이 기판 및 그것의 제조 방법, 디스플레이 디바이스
CN112038384A (zh) * 2020-09-14 2020-12-04 京东方科技集团股份有限公司 一种显示面板及其制作方法、显示装置
CN112038384B (zh) * 2020-09-14 2023-01-10 京东方科技集团股份有限公司 一种显示面板及其制作方法、显示装置
CN112198732A (zh) * 2020-10-21 2021-01-08 上海大学 一种彩色电子纸

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