CN111286232B - Quantum dot ink and display panel - Google Patents

Quantum dot ink and display panel Download PDF

Info

Publication number
CN111286232B
CN111286232B CN202010280993.8A CN202010280993A CN111286232B CN 111286232 B CN111286232 B CN 111286232B CN 202010280993 A CN202010280993 A CN 202010280993A CN 111286232 B CN111286232 B CN 111286232B
Authority
CN
China
Prior art keywords
quantum dot
sulfur
containing photosensitive
photosensitive monomer
ink
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202010280993.8A
Other languages
Chinese (zh)
Other versions
CN111286232A (en
Inventor
吴永伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN202010280993.8A priority Critical patent/CN111286232B/en
Publication of CN111286232A publication Critical patent/CN111286232A/en
Application granted granted Critical
Publication of CN111286232B publication Critical patent/CN111286232B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • 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
    • 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
    • G02F1/1676—Electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The application provides a quantum dot ink and a display panel, wherein the quantum dot ink comprises a quantum dot material and a sulfur-containing photosensitive monomer; the sulfur-containing photosensitive monomer comprises a first sulfur-containing photosensitive monomer and a second sulfur-containing photosensitive monomer; the first type of sulfur-containing photosensitive monomer contains sulfydryl, and the second type of sulfur-containing photosensitive monomer contains propenyl. The quantum dot ink with the sulfur-containing photosensitive monomer is applied to the preparation of the luminous layer of the display panel or the preparation of the color conversion layer of the display panel, so that the refractive index of the quantum dot film can be improved, and the luminous efficiency of the display panel is improved.

Description

Quantum dot ink and display panel
Technical Field
The application relates to the technical field of display, in particular to quantum dot ink and a display panel.
Background
The quantum dots have the advantages of high luminous efficiency, narrow emission, coverage of a visible light full spectrum range and the like, so that the quantum dots are expected to be applied to the field of display, especially high-end display.
In recent years, Inkjet Printing (IJP) technology has gained widespread attention in the flat panel display industry. The technology has certain requirements on an ink system, and the current research on quantum dot ink is developed rapidly, so that a commercialized quantum dot ink system is provided. The existing quantum dot ink can be divided into two categories, namely photo-curing ink and thermal-curing ink. The photo-curing ink is formed by polymerization of photosensitive monomers in the ink initiated by illumination, and further cured into a film. The heat curable ink is cured to form a film by heating. Although the two curing methods are different, there is a certain similarity in the ink composition. After the existing quantum dot ink is cured into a film, the refractive index of the ink is lower due to the limitation of a main material, and the light emitting efficiency of the quantum dot film is limited.
Therefore, the prior art has defects which need to be solved urgently.
Disclosure of Invention
The application provides a quantum dot ink and a display panel, which can solve the technical problem that the refractive index is lower and the light emitting efficiency of a quantum dot film is limited due to the limitation of a main material after the existing quantum dot ink is cured into a film.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides quantum dot ink which comprises a quantum dot material and a sulfur-containing photosensitive monomer;
the sulfur-containing photosensitive monomer comprises a first sulfur-containing photosensitive monomer and a second sulfur-containing photosensitive monomer;
the first sulfur-containing photosensitive monomer contains sulfydryl, and the second sulfur-containing photosensitive monomer contains propenyl.
In the quantum dot ink provided by the application, the first type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000021
Figure BDA0002446561380000022
One or a combination of more than one of the above;
the second type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000023
Figure BDA0002446561380000024
One or a combination of more than one of them.
In the quantum dot ink provided by the application, the molar ratio of the sulfydryl contained in the first sulfur-containing photosensitive monomer to the propenyl contained in the second sulfur-containing photosensitive monomer is 1:0.7-1: 1.2.
In the quantum dot ink provided by the application, the quantum dot ink further comprises a photoinitiator, a nonpolar solvent and a functional additive, the quantum dot material accounts for 10 wt% -50 wt% of the quantum dot ink, the sulfur-containing photosensitive monomer accounts for 10 wt% -50 wt% of the quantum dot ink, the photoinitiator accounts for 0 wt% -5 wt% of the quantum dot ink, the nonpolar solvent accounts for 5 wt% -20 wt% of the quantum dot ink, and the functional additive accounts for 0.2 wt% -5 wt% of the quantum dot ink.
The present application also provides a display panel, including:
an array substrate;
the color film substrate is arranged opposite to the array substrate and comprises a substrate and a color conversion layer;
the liquid crystal layer is arranged between the array substrate and the color film substrate;
the blue light backlight source is arranged on one side, back to the color film substrate, of the array substrate;
the material of the color conversion layer is quantum dot ink, the quantum dot ink comprises a quantum dot material and sulfur-containing photosensitive monomers, the sulfur-containing photosensitive monomers comprise a first sulfur-containing photosensitive monomer and a second sulfur-containing photosensitive monomer, the first sulfur-containing photosensitive monomer contains sulfydryl, and the second sulfur-containing photosensitive monomer contains propenyl.
In the display panel of the present application, the first type of sulfur-containing photosensitive monomer includes
Figure BDA0002446561380000031
Figure BDA0002446561380000032
One or a combination of more than one of the above;
the second type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000033
Figure BDA0002446561380000034
One or a combination of more than one of them.
In the display panel, the color conversion layer comprises red quantum dot color blocking blocks, green quantum dot color blocking blocks and blue quantum dot color blocking blocks which are arranged at intervals, and a yellow layer is arranged between the red quantum dot color blocking blocks, the green quantum dot color blocking blocks and the substrate base plate.
The present application also provides a display panel, including:
an array drive substrate;
the light-emitting device is arranged on the array driving substrate and comprises an anode, a quantum dot light-emitting layer and a cathode which are arranged in a stacked mode;
an encapsulation layer disposed on the light emitting device;
the material of the quantum dot light-emitting layer is quantum dot ink, the quantum dot ink comprises a quantum dot material and a sulfur-containing photosensitive monomer, the sulfur-containing photosensitive monomer comprises a first sulfur-containing photosensitive monomer and a second sulfur-containing photosensitive monomer, the first sulfur-containing photosensitive monomer contains sulfydryl, and the second sulfur-containing photosensitive monomer contains propenyl.
In the display panel of the present application, the first type of sulfur-containing photosensitive monomer includes
Figure BDA0002446561380000041
Figure BDA0002446561380000042
One or a combination of more than one of the above;
the second type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000043
Figure BDA0002446561380000044
One or a combination of more than one of them.
In the display panel of the present application, the light emitting devices include a red quantum dot light emitting device, a green quantum dot light emitting device, and a blue quantum dot light emitting device.
The beneficial effect of this application does: the application provides a quantum dot ink, display panel replaces acrylic ester monomer in the current ink system through adopting the photosensitive monomer that contains sulphur to the preparation of the luminescent layer of display panel is applied to the quantum dot ink that will have the photosensitive monomer that contains sulphur, perhaps is applied to the preparation of display panel's colour conversion layer, thereby when keeping high-efficient photocuring, can improve the refracting index of quantum dot film, and then improves display panel's luminous efficacy.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, "/" means "or".
The present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
As most of photosensitive monomers in the traditional quantum dot ink are acrylic monomers, or most of thermosensitive monomers are acrylic monomers. Therefore, the main materials of the existing quantum dot ink after being cured into a film are all polyacrylate or epoxy resin polymers, the refractive index of the main materials is lower (1.4), and the limit is formed for improving the light-emitting efficiency of the film.
In order to solve the problems, the application provides quantum dot ink which comprises a quantum dot material, a sulfur-containing photosensitive monomer, a photoinitiator, a non-polar solvent and a functional auxiliary agent. The sulfur-containing photosensitive monomer comprises a first sulfur-containing photosensitive monomer and a second sulfur-containing photosensitive monomer; the first sulfur-containing photosensitive monomer contains sulfydryl, and the second sulfur-containing photosensitive monomer contains propenyl.
Specifically, the first type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000051
Figure BDA0002446561380000061
Figure BDA0002446561380000062
One or a combination of more than one of the above;
the second type of sulfur-containing photosensitive monomer comprises
Figure BDA0002446561380000063
Figure BDA0002446561380000064
One or a combination of more than one of them.
Wherein the sulfur-containing photosensitive monomer is any combination of at least one of the first type of sulfur-containing photosensitive monomer and at least one of the second type of sulfur-containing photosensitive monomer. The first sulfur-containing photosensitive monomer and the second sulfur-containing photosensitive monomer can generate polymerization reaction under the action of the photoinitiator to generate a sulfur-containing polymer.
Further, the molar ratio of the sulfydryl contained in the first sulfur-containing photosensitive monomer to the propenyl contained in the second sulfur-containing photosensitive monomer is 1:0.7-1: 1.2.
Specifically, the quantum dot material accounts for 10 wt% -50 wt% of the quantum dot ink, the sulfur-containing photosensitive monomer accounts for 10 wt% -50 wt% of the quantum dot ink, the photoinitiator accounts for 0 wt% -5 wt% of the quantum dot ink, the nonpolar solvent accounts for 5 wt% -20 wt% of the quantum dot ink, and the functional auxiliary agent accounts for 0.2 wt% -5 wt% of the quantum dot ink.
Wherein, the nonpolar solvent can be alkanes and the like; the functional aid may include a surface tension adjusting agent, a leveling agent, and the like.
The sulfur-containing polymers formed after curing with the quantum dot inks of the present application have excellent refractive indices (> 1.6) while also having excellent transparency. Therefore, the sulfur-containing photosensitive monomer is used for replacing an acrylate monomer in the existing ink system, the high-efficiency photocuring is kept, the refractive index of the cured film is enhanced, and the luminous efficiency of the film is further improved.
The quantum dot ink is suitable for a light emitting layer or a color conversion layer of a display panel. The following description is provided to describe the display panel in detail with reference to specific embodiments.
Example one
Referring to fig. 1, a first display panel prepared by using the quantum dot ink includes: the liquid crystal display panel comprises a color film substrate 10, an array substrate 20 and a blue light backlight source 30 located on one side of the array substrate 20, wherein a liquid crystal layer 40 is arranged between the color film substrate 10 and the array substrate 20. A polarizer 50 is disposed between the array substrate 20 and the blue light backlight 30.
The color film substrate 10 comprises a substrate 101 and a color conversion layer 102 located on the surface of the substrate 101, wherein the color conversion layer 102 is made of the quantum dot ink.
Specifically, the color conversion layer 102 is formed in the following manner: and printing the quantum dot ink on the substrate 101 of the color conversion layer to be prepared by adopting an ink-jet printing technology, and then curing the quantum dot ink by adopting UV (ultraviolet light), wherein the curing time is 2-30 min. During the period, the first type of sulfur-containing photosensitive monomer and the second type of sulfur-containing photosensitive monomer can be polymerized under the action of the photoinitiator to form a sulfur-containing polymer. The color conversion layer 102 is formed after being cured.
The color conversion layer 102 includes red quantum dot color resist blocks 1021, green quantum dot color resist blocks 1022, and blue quantum dot color resist blocks 1023 arranged at intervals.
The substrate base plate 101 is further provided with a black light shielding layer 103 at intervals, and the black light shielding layer 103 is located at the intervals among the red quantum dot color resistance block 1021, the green quantum dot color resistance block 1022 and the blue quantum dot color resistance block 1023. A reflective layer 104 is disposed at a position corresponding to the black light-shielding layer 103, and the red quantum dot color resist block 1021, the green quantum dot color resist block 1022, and the blue quantum dot color resist block 1023 are spaced by the reflective layer 104.
Red quantum dot look hinders piece 1021 green quantum dot look hinders piece 1022 and blue quantum dot look hinders piece 1023 and keeps away from one side of substrate base plate 101 is provided with water oxygen barrier layer 105, water oxygen barrier layer 105 is light-permeable material, can separate the invasion of water oxygen. An OC photoresist layer 106 is disposed on the water-oxygen barrier layer 105, and an electrode layer 107 is disposed on the OC photoresist layer 106.
The array substrate 20 is arranged opposite to the color film substrate 10, and the array substrate 20 includes a driving circuit layer and the like. Support pillars 60 are arranged between the array substrate 20 and the color film substrate 10 at intervals, and the support pillars 60 are arranged corresponding to the positions of the reflective layers 104.
The blue light backlight source 30 is arranged on one side of the array substrate 20, which is opposite to the color film substrate 10; the blue backlight 30 is configured to emit blue light. Wherein a yellow layer 108 is disposed between the red quantum dot color-resisting block 1021, the green quantum dot color-resisting block 1022 and the substrate base plate 101. Blue light penetrating through the red quantum dot color resistance block 1021 and the green quantum dot color resistance block 1022 is shielded by the yellow layer 108, thereby improving the color gamut.
In this embodiment, since the material of the color conversion layer is a sulfur-containing polymer, the refractive index of the color conversion layer can be enhanced while maintaining high-efficiency photocuring, thereby improving the luminous efficiency of the color conversion layer.
Example two
Referring to fig. 2, a second display panel prepared by using the quantum dot ink includes: the array driving baseplate 100 comprises a substrate 1001 and a driving circuit layer 1002 positioned on the substrate 1001; a light emitting device 200 provided on the array drive substrate 100, and including an anode 2001, a quantum dot light emitting layer 2002, and a cathode 2003, which are stacked; and an encapsulation layer 300 disposed on the light emitting device 200.
Wherein the light emitting device 200 includes a red quantum dot light emitting device, a green quantum dot light emitting device, and a blue quantum dot light emitting device.
In this embodiment, the material of the quantum dot light emitting layer 2002 is the quantum dot ink.
Specifically, the quantum dot light emitting layer 2002 is formed in the following manner: printing the quantum dot ink on a substrate to be prepared with a quantum dot light-emitting layer by adopting an ink-jet printing technology, and then curing the quantum dot ink by adopting UV (ultraviolet light), wherein the curing time is 2-30 min. During the period, the first type of sulfur-containing photosensitive monomer and the second type of sulfur-containing photosensitive monomer can be polymerized under the action of the photoinitiator to form a sulfur-containing polymer. After curing, the quantum dot light emitting layer 2002 is formed.
In this embodiment, since the material of the quantum dot light emitting layer is a sulfur-containing polymer, the refractive index of the quantum dot light emitting layer can be enhanced while maintaining high-efficiency photocuring, and the light emitting efficiency of the quantum dot light emitting layer is further improved.
To sum up, the quantum dot ink of this application replaces acrylic ester monomer in the current ink system through adopting the photosensitive monomer that contains sulphur to when keeping high-efficient photocuring, can improve the refracting index of quantum dot film, and then improve display panel's luminous efficacy.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.

Claims (7)

1. A quantum dot ink is characterized by comprising a quantum dot material and a sulfur-containing photosensitive monomer,
the sulfur-containing photosensitive monomer includes:
a first sulfur-containing photosensitive monomer, wherein the first sulfur-containing photosensitive monomer contains a mercapto group, and the first sulfur-containing photosensitive monomer comprises:
Figure FDA0003567519300000011
Figure FDA0003567519300000012
one or a combination of more than one of the above;
a second type of sulfur-containing photosensitive monomer, said second type of sulfur-containing photosensitive monomer comprising an acryl group, said second type of sulfur-containing photosensitive monomer comprising:
Figure FDA0003567519300000013
Figure FDA0003567519300000014
one or more ofA combination of (a) and (b).
2. The quantum dot ink according to claim 1, wherein a molar ratio of the mercapto group contained in the first sulfur-containing photosensitive monomer to the acryl group contained in the second sulfur-containing photosensitive monomer is 1:0.7 to 1: 1.2.
3. The quantum dot ink as claimed in claim 1, further comprising a photoinitiator, a nonpolar solvent and a functional auxiliary agent, wherein the quantum dot material accounts for 10 wt% to 50 wt% of the quantum dot ink, the sulfur-containing photosensitive monomer accounts for 10 wt% to 50 wt% of the quantum dot ink, the photoinitiator accounts for 0 wt% to 5 wt% of the quantum dot ink, the nonpolar solvent accounts for 5 wt% to 20 wt% of the quantum dot ink, and the functional auxiliary agent accounts for 0.2 wt% to 5 wt% of the quantum dot ink.
4. A display panel, comprising:
an array substrate;
the color film substrate is arranged opposite to the array substrate and comprises a substrate and a color conversion layer;
the liquid crystal layer is arranged between the array substrate and the color film substrate;
the blue light backlight source is arranged on one side, back to the color film substrate, of the array substrate;
the color conversion layer is made of quantum dot ink, the quantum dot ink comprises a quantum dot material and a sulfur-containing photosensitive monomer, and the sulfur-containing photosensitive monomer comprises:
a first sulfur-containing photosensitive monomer, wherein the first sulfur-containing photosensitive monomer contains a mercapto group, and the first sulfur-containing photosensitive monomer comprises:
Figure FDA0003567519300000021
Figure FDA0003567519300000022
one or a combination of more than one of the above;
a second type of sulfur-containing photosensitive monomer, said second type of sulfur-containing photosensitive monomer comprising an acryl group, said second type of sulfur-containing photosensitive monomer comprising:
Figure FDA0003567519300000023
Figure FDA0003567519300000031
one or a combination of more than one of them.
5. The display panel according to claim 4, wherein the color conversion layer comprises a red quantum dot color resist block, a green quantum dot color resist block, and a blue quantum dot color resist block which are arranged at intervals, and wherein a yellow layer is arranged between the red quantum dot color resist block, the green quantum dot color resist block, and the substrate.
6. A display panel, comprising:
an array drive substrate;
the light-emitting device is arranged on the array driving substrate and comprises an anode, a quantum dot light-emitting layer and a cathode which are arranged in a stacked mode;
an encapsulation layer disposed on the light emitting device;
the material of the quantum dot light-emitting layer is quantum dot ink, the quantum dot ink comprises a quantum dot material and a sulfur-containing photosensitive monomer, and the sulfur-containing photosensitive monomer comprises:
a first sulfur-containing photosensitive monomer, wherein the first sulfur-containing photosensitive monomer contains a mercapto group, and the first sulfur-containing photosensitive monomer comprises:
Figure FDA0003567519300000032
Figure FDA0003567519300000033
one or a combination of more than one of the above;
a second type of sulfur-containing photosensitive monomer, said second type of sulfur-containing photosensitive monomer comprising an acryl group, said second type of sulfur-containing photosensitive monomer comprising:
Figure FDA0003567519300000041
Figure FDA0003567519300000042
one or a combination of more than one of them.
7. The display panel according to claim 6, wherein the light-emitting devices comprise a red quantum dot light-emitting device, a green quantum dot light-emitting device, and a blue quantum dot light-emitting device.
CN202010280993.8A 2020-04-10 2020-04-10 Quantum dot ink and display panel Active CN111286232B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010280993.8A CN111286232B (en) 2020-04-10 2020-04-10 Quantum dot ink and display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010280993.8A CN111286232B (en) 2020-04-10 2020-04-10 Quantum dot ink and display panel

Publications (2)

Publication Number Publication Date
CN111286232A CN111286232A (en) 2020-06-16
CN111286232B true CN111286232B (en) 2022-05-31

Family

ID=71031225

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010280993.8A Active CN111286232B (en) 2020-04-10 2020-04-10 Quantum dot ink and display panel

Country Status (1)

Country Link
CN (1) CN111286232B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220000021A (en) * 2020-06-24 2022-01-03 삼성디스플레이 주식회사 Display apparatus including light control member and manufacturing method of including light control member
CN112280382A (en) * 2020-10-20 2021-01-29 深圳市华星光电半导体显示技术有限公司 Quantum dot ink and display panel
CN112980242A (en) * 2021-02-05 2021-06-18 深圳市华星光电半导体显示技术有限公司 Perovskite ink and display device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636111A (en) * 2015-06-02 2018-01-26 三星Sdi株式会社 The preparation method of quantum dot, the constituent containing quantum dot and quantum dot

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636111A (en) * 2015-06-02 2018-01-26 三星Sdi株式会社 The preparation method of quantum dot, the constituent containing quantum dot and quantum dot

Also Published As

Publication number Publication date
CN111286232A (en) 2020-06-16

Similar Documents

Publication Publication Date Title
CN111286232B (en) Quantum dot ink and display panel
US10366876B2 (en) Phosphor-containing film and backlight unit
US10781369B2 (en) Wavelength conversion member and backlight unit
CN111580301B (en) Color film substrate, manufacturing method thereof and display device
JP6758387B2 (en) Fluorescent film and backlight unit
CN110709736A (en) Digenation point-containing curing composition, digenation point-containing cured material, method for producing optical member, and method for producing display device
CN108873470B (en) Quantum dot color film backlight structure
KR20180099991A (en) Organic light emitting display device and manufacturing method for the device
CN109661598B (en) Phosphor-containing film and backlight unit
CN106833649A (en) Embedded photoluminescent material, the preparation method of light conversion film piece, light conversion film piece and display device
EP0827008A2 (en) A flat panel display device and a manufacturing method therefor
CN108845448B (en) Substrate structure for improving light-emitting purity of quantum dot color film
KR20190045235A (en) Curable resin composition, image display device, and manufacturing method of image display device
CN114035363A (en) Display panel and quantum dot color film substrate
JP5686014B2 (en) Optical element and manufacturing method thereof
JP2015118342A (en) Display device with liquid crystal lens unit
KR102202689B1 (en) Display device and method of driving the same
JP2002139613A (en) Optical element, method for manufacturing the same, transfer film to be used for the manufacturing method, and liquid crystal device using the optical element
CN109061937B (en) Preparation method of color film substrate, quantum dot light conversion film and display device
CN110591447A (en) Ink composition, quantum dot color film and display device
CN110828686A (en) Self-luminous display structure and display device
CN112280382A (en) Quantum dot ink and display panel
CN114806274B (en) Ink, display substrate, manufacturing method of display substrate and display panel
TWI765236B (en) Light switchable device
KR20180109238A (en) Self emission type photosensitive resin composition, color conversion layer and image display device using the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant