[go: up one dir, main page]

CN111454606A - Perovskite ink, liquid crystal display panel and O L ED display panel - Google Patents

Perovskite ink, liquid crystal display panel and O L ED display panel Download PDF

Info

Publication number
CN111454606A
CN111454606A CN202010407328.0A CN202010407328A CN111454606A CN 111454606 A CN111454606 A CN 111454606A CN 202010407328 A CN202010407328 A CN 202010407328A CN 111454606 A CN111454606 A CN 111454606A
Authority
CN
China
Prior art keywords
integer
silicon
perovskite
substrate
hydrogen bond
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.)
Pending
Application number
CN202010407328.0A
Other languages
Chinese (zh)
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 CN202010407328.0A priority Critical patent/CN111454606A/en
Publication of CN111454606A publication Critical patent/CN111454606A/en
Pending legal-status Critical Current

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
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • 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
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/10—Organic polymers or oligomers
    • H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nonlinear Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Silicon Polymers (AREA)

Abstract

The application provides a perovskite ink, liquid crystal display panel and O L ED display panel, perovskite ink includes perovskite material and low molecular organosilicon polymer in this application, wherein, low molecular organosilicon polymer's molecular formula CxHyNzOmSinX, y, z, m and n are positive integers, the low molecular organosilicon polymer at least has triple silicon-hydrogen bond side chains, hydrogen bonds on the silicon-hydrogen bond side chains are bonded to the surface of the substrate, the adhesion between the cured ink and the substrate is enhanced, and the hydrogen bonds on the silicon-hydrogen bond side chains are broken and then recombined with preset atoms on adjacent silicon-hydrogen bond side chains through hydrogen bonds, so that microcracks can be repaired, and corresponding effects can be realizedThe film layer is self-healing, so that the luminescent layer or the color conversion layer formed by the perovskite ink has excellent self-repairing performance, the stability and the flexibility of the display device are enhanced, and the light-emitting intensity and the visual angle of the display panel are improved.

Description

Perovskite ink, liquid crystal display panel and O L ED display panel
Technical Field
The application relates to the technical field of display, in particular to perovskite ink, a liquid crystal display panel and an O L ED display panel.
Background
Perovskite is one of the most spotlighted light-emitting materials in recent years, has the advantages of high carrier mobility, high luminous efficiency, high chromatographic purity, adjustable light-emitting wavelength and the like, can greatly improve the color gamut range and the color expression of a display by being applied to a liquid crystal display panel or an O L ED display panel, and can also be used as a light-emitting layer of the corresponding display.
In the prior art, perovskite ink comprises perovskite luminescent materials and acrylate resin polymers, the resin polymers are used for adjusting the viscosity and surface tension of the ink, the perovskite ink deposits the ink in a pixel region, a luminescent layer or a color conversion layer is formed after illumination curing, the luminescent layer or the color conversion layer has poor adhesion with a bottom substrate, meanwhile, a thin film is brittle, the mechanical property is poor, and on the other hand, when the luminescent layer or the color conversion layer is subjected to inevitable external damage such as external bending, collision, scraping and the like, cracks and fractures are easily generated.
In summary, a new perovskite ink needs to be designed to solve the technical problems that in the prior art, the adhesion of a cured film of perovskite ink is poor, the film is brittle, the mechanical property is poor, and the like, and the practical application of perovskite ink is limited.
Disclosure of Invention
The application provides a perovskite ink, liquid crystal display panel and O L ED display panel, can solve among the prior art perovskite ink solidification film-forming adhesion relatively poor, the film is more fragile simultaneously, mechanical properties subalternation problem has restricted its practical technical problem who uses.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides perovskite ink, which comprises a perovskite material and a low-molecular organic silicon polymer, wherein the structural formula of the low-molecular organic silicon polymer is as follows:
Figure BDA0002491798570000021
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
According to a preferred embodiment of the present application, the low molecular weight silicone polymer has at least two side chains containing silicon-hydrogen bonds, and at least one hydrogen bond is formed by a silicon atom, a nitrogen atom or an oxygen atom and a hydrogen atom on the periphery of each side chain containing silicon-hydrogen bonds, and any two adjacent side chains containing silicon-hydrogen bonds are coordinately connected through a non-metal atom, and the coordinating non-metal atom is one or more than one atom of a nitrogen atom, an oxygen atom or a silicon atom.
According to a preferred embodiment of the present application, at least one or more of amino, hydroxyl, carboxyl, phenyl, aldehyde, and phenolic hydroxyl groups are formed on the hydrogen atoms, carbon atoms, nitrogen atoms, and oxygen atoms at the periphery of any two adjacent side chains containing silicon-hydrogen bonds.
According to a preferred embodiment of the present application, the molecular weight of the low molecular silicone polymer is in the range of 1000g/mol to 10000 g/mol.
According to a preferred embodiment of the present application, the perovskite ink further includes a solvent and a functional assistant, wherein the perovskite material accounts for 10 wt% to 40 wt% of the perovskite ink, the low molecular organosilicon polymer accounts for 10 wt% to 40 wt% of the perovskite ink, the solvent accounts for 10 wt% to 30 wt% of the perovskite ink, and the functional assistant accounts for 0.2 wt% to 5 wt% of the perovskite ink.
According to a preferred embodiment of the present application, the solvent is dimethylformamide and/or dimethylsulfoxide, and the functional auxiliary comprises a surface tension adjusting agent and/or a leveling agent.
According to the perovskite ink, the liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer between the array substrate and the color film substrate; the color film substrate comprises a first substrate and a color conversion layer positioned on the first substrate; the color conversion layer is made of perovskite ink, the perovskite ink comprises a perovskite material and a low-molecular organosilicon polymer, and the structural formula of the low-molecular organosilicon polymer is as follows:
Figure BDA0002491798570000041
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
According to a preferred embodiment of the present application, the perovskite material is uniformly distributed in the color conversion layer, the hydrogen bond on the silicon-hydrogen bond-containing side chain of the low molecular silicone polymer is bonded to the surface of the first substrate through a hydrogen bond effect, and/or the hydrogen bond on the silicon-hydrogen bond-containing side chain of the low molecular silicone polymer is broken and then recombined with a preset atom on the adjacent silicon-hydrogen bond-containing side chain through the hydrogen bond effect.
According to the perovskite ink, the application also provides an O L ED display panel, which comprises an array driving substrate and a light emitting device on the array driving substrate, wherein the light emitting device comprises an anode, a light emitting layer and a cathode which are stacked, the light emitting layer comprises a second substrate and a light emitting unit on the second substrate, the light emitting unit is made of perovskite ink, the perovskite ink comprises a perovskite material and a low-molecular organic silicon polymer, and the structural formula of the low-molecular organic silicon polymer is as follows:
Figure BDA0002491798570000051
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
According to a preferred embodiment of the present application, the perovskite material is uniformly distributed in the light-emitting unit, the hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular organic silicon polymer are bonded to the surface of the second substrate through hydrogen bonding, and/or the hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular organic silicon polymer are broken and then recombined with preset atoms on adjacent silicon-hydrogen bond-containing side chains through hydrogen bonding.
The perovskite ink, the liquid crystal display panel and the O L ED display panel are provided, the perovskite ink comprises a perovskite material and a low-molecular organic silicon polymer, wherein the molecular formula C of the low-molecular organic silicon polymerxHyNzOmSinX, y, z, m, n is the positive integer, and this low molecular organosilicon polymer has multiple silicon-hydrogen bond containing side chain, hydrogen bond to the base plate surface on the silicon-hydrogen bond containing side chain, strengthen the adhesion with the base plate after the ink solidification, through hydrogen bonding effect and the atomic recombination of predetermineeing on the adjacent silicon-hydrogen bond containing side chain after the hydrogen bond fracture on the silicon-hydrogen bond containing side chain, can repair the crazing line, can also realize corresponding rete self-healing, so the luminescent layer or the look conversion layer that this perovskite ink formed have outstanding selfreparing performance, strengthen display device stability and pliability, promote display panel's luminous intensity and visual angle.
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 provides a structural formula of a low molecular organosilicon polymer.
FIG. 2 is a schematic diagram of a mechanism for repairing hydrogen bonds in a low molecular weight silicone polymer.
Fig. 3 is a schematic structural view of a color filter substrate according to the present application.
Fig. 4 is a schematic top view of a color filter substrate according to the present disclosure.
Fig. 5 is a schematic view of a structure of a light emitting layer according to the present application.
Fig. 6 is a schematic top view of a light emitting layer according to 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.
In the prior art, the perovskite ink comprises a perovskite luminescent material and an acrylate resin polymer, the resin polymer is used for adjusting the viscosity and the surface tension of the ink, the perovskite ink forms ink deposition in a pixel region, a luminescent layer or a color conversion layer is formed after illumination curing, the luminescent layer or the color conversion layer has poor adhesion with a bottom substrate, meanwhile, the thin film is brittle, and the mechanical property is poor.
In view of the above, the present application provides a perovskite ink comprising a perovskite material and a low molecular organosilicon polymer, wherein the low molecular organosilicon polymer has a formula CxHyNzOmSinThe low molecular organosilicon polymer has two or more than two silicon-hydrogen bond side chains, and peripheral silicon atoms, nitrogen atoms or oxygen atoms of each silicon-hydrogen bond side chain and hydrogen atoms form at least one hydrogen bond, any two adjacent silicon-hydrogen bond side chains are coordinated and connected through nonmetal atoms, and the coordinated nonmetal atoms are preferably nitrogen atoms, oxygen atoms or silicon atoms.
As shown in figure 1, the application provides a structural formula of a low molecular organic silicon polymer, which comprises three silicon-hydrogen bond containing side chains, the structure of each silicon-hydrogen bond containing side chain is preferably the same, the low molecular organic silicon polymer has at least triple hydrogen bonds and is distributed along a space network, the molecular weight of the low molecular organic silicon polymer is in a range of 1000 to 10000g/mol, wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5. The perovskite ink also comprises a solvent and a functional auxiliary agent, wherein the solvent is a dimethyl formamide and/or dimethyl sulfoxide solvent, the functional auxiliary agent comprises a surface tension regulator and/or a leveling agent, the perovskite material accounts for 10 wt% -40 wt% of the perovskite ink, the low-molecular organosilicon polymer accounts for 10 wt% -40 wt% of the perovskite ink, the solvent accounts for 10 wt% -30 wt% of the perovskite ink, and the functional auxiliary agent accounts for 0.2 wt% -5 wt% of the perovskite ink.
As shown in fig. 2, the present application provides a schematic diagram of a hydrogen bond repair mechanism in a low molecular organosilicon polymer, when a perovskite ink formed film layer is damaged or cracked, a weaker hydrogen bond will dissociate, if the film layer is in butt joint, and is kept for a certain time, generally from several minutes to several hours, by using the mobility of a polymer chain and the reversibility principle of the hydrogen bond, the hydrogen bond action recombines with a preset atom on a side chain adjacent to a silicon-containing hydrogen bond, i.e., a new hydrogen bond will be formed on a film layer fracture surface S10, and a nitrogen atom, an oxygen atom and a silicon atom in the molecular chain respectively and a hydrogen atom will form a self-repairing hydrogen bond, so that the film layer fracture surface S10 is healed again, thereby reconnecting the. In addition, the surface of the film layer is provided with hydrogen bonds on the silicon-containing hydrogen bond side chains, and the hydrogen bonds are bonded to the surface of the substrate, so that the adhesion between the ink and the substrate after the ink is cured is enhanced.
Therefore, the low-molecular organic silicon polymer is influenced by factors such as chemical substances, external force, light, heat and the like in the long-time use process, so that the material has cracks, the self-repairing capability of damage can be realized, hydrogen bonds on a silicon-hydrogen bond side chain can repair microcracks, the self-healing of a corresponding film layer can be realized, additional conditions are not needed, the mechanical tensile strength of the repaired film layer is good, and the problems of brittleness, poor mechanical property and easiness in cracking of a display panel film can be solved. In addition, at least one or more covalent bond groups of amino, hydroxyl, carboxyl, phenyl, aldehyde group and phenolic hydroxyl are formed on hydrogen atoms, carbon atoms, nitrogen atoms and oxygen atoms at the periphery of any two adjacent silicon-hydrogen bond containing side chains, so that the stability of the low-molecular organosilicon polymer is improved.
According to the perovskite ink, the liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer between the array substrate and the color film substrate, wherein the color film substrate comprises a first substrate and a color conversion layer located on the first substrate, and the material used for the color conversion layer is the perovskite ink in the embodiment. The perovskite ink comprises a perovskite material and a low-molecular organosilicon polymer, wherein the molecular formula of the low-molecular organosilicon polymer is as follows: cxHyNzOmSin(ii) a Wherein x, y, z, m and n are positive integers, and FIG. 1 is a structural formula of the low molecular organosilicon polymer, wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, n5 is an integer from 1 to 5, and the low molecular weight silicone polymer has at least two silicon-containing hydrogen bond side chains, each of which includes at least one hydrogen bond. The perovskite ink further comprises a solvent and a functional auxiliary agent, wherein the solvent is a dimethyl formamide and/or dimethyl sulfoxide solvent, and the functional auxiliary agent comprises a surface tension regulator and/or a leveling agent. Wherein the perovskite material accounts for 10-40 wt% of the perovskite ink, the low molecular organosilicon polymer accounts for 10-40 wt% of the perovskite ink, the solvent accounts for 10-30 wt% of the perovskite ink, and the functional additive accounts for 0.2-5 wt% of the perovskite ink.
Specifically, as shown in fig. 3 and fig. 4, the present embodiment provides a schematic structural diagram of a color filter substrate 100, where the color filter substrate 100 includes a first substrate 101 and a color conversion layer 103 disposed on a surface of the first substrate 101. The perovskite ink is used for preparing a dot matrix color conversion layer 103 by an ink-jet printing method, the color conversion layer 103 is arranged on the surface of a first substrate 101, retaining walls 102 are arranged around the color conversion layer 103, the retaining walls 102 are made of hydrophobic materials, the cross section of each retaining wall 102 is preferably trapezoidal or rectangular, the thickness of each retaining wall 102 perpendicular to the first substrate 101 is preferably in the range of 800nm to 1500nm, the retaining walls 102 form grid-shaped openings on the surface of the first substrate 101, the color conversion layer 103 is filled in the openings, the first substrate 101 is one of a glass substrate, a phenolic resin substrate, an epoxy resin substrate or a polyamide fiber substrate, the low molecular organosilicon polymer is uniformly distributed in the perovskite ink film layer in a nano-particle shape, that is, the perovskite material is uniformly distributed in the color conversion layer 103, and hydrogen bonds on the silicon-containing hydrogen bond side chain of the low molecular silicone polymer are bonded to the surface of the first substrate 101, so that the adhesion between the color conversion layer 103 and the first substrate 101 is enhanced. The hydrogen bond on the silicon-hydrogen bond side chain of the low-molecular organic silicon polymer is broken and then recombined with the preset atoms on the adjacent silicon-hydrogen bond side chain, so that microcracks can be repaired, the self-healing of the color conversion layer 103 can be realized, the stability and the flexibility of the liquid crystal display device are improved, and the light intensity and the visual angle of the liquid crystal display panel are improved.
The backlight source is arranged on the back of the liquid crystal display panel in the implementation and comprises an optical film material, a reflecting sheet, a light guide plate, a light source and a rubber frame, wherein the light source comprises a plurality of light bars and L ED lamps fixed on the light bars, the L ED light bars are preferably the same in structural width and beneficial to the design of a narrow frame of a backlight module, the light guide plate is used for changing a point light source emitted by the L ED light bars into a surface light source, so that the incident point light source is converted into the surface light source and is fully scattered, the light source is softer and more uniform, the optical film usually comprises a prism sheet and a brightness enhancement film, the prism sheet is a light gathering device, the scattered light is gathered in a certain angle range to be emitted by utilizing the law of total reflection and refraction, the brightness in the emitting range is improved, the brightness of the backlight source is improved, the rubber frame comprises a front frame and a middle frame.
According to the perovskite ink, the O L ED display panel comprises an array driving substrate and a light-emitting device arranged on the surface of the array driving substrate, wherein the light-emitting device comprises an anode, a light-emitting layer and a cathode which are arranged in a laminated mode, the light-emitting layer comprises a second substrate and a light-emitting unit arranged on the second substrate, the light-emitting unit is made of the perovskite ink in the embodiment, the perovskite ink comprises a perovskite material and a low-molecular organic silicon polymer, and the molecular formula of the low-molecular organic silicon polymer is CxHyNzOmSin(ii) a Wherein x, y, z, m and n are positive integers, and FIG. 1 is a structural formula of the low molecular organosilicon polymer, wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5, the low molecular weight silicone polymer having at least two silicon-containing hydrogen bond side chains, each silicon-containing hydrogen bond side chain including at least one hydrogen bond. The perovskite ink also comprises a solvent and a functional auxiliary agent, wherein the solvent is a dimethyl formamide and/or dimethyl sulfoxide solvent, and the functional auxiliary agentIncluding surface tension modifiers and/or leveling agents. Wherein the perovskite material accounts for 10-40 wt% of the perovskite ink, the low molecular organosilicon polymer accounts for 10-40 wt% of the perovskite ink, the solvent accounts for 10-30 wt% of the perovskite ink, and the functional additive accounts for 0.2-5 wt% of the perovskite ink.
Specifically, as shown in fig. 5 and fig. 6, the embodiment provides a schematic structural diagram of a light emitting layer 200, where the light emitting layer 200 includes a second substrate 201 and a light emitting unit 203 disposed on a surface of the second substrate 201, a dot matrix light emitting unit 203 is prepared on a surface of the second substrate 201 by an inkjet printing method, retaining walls 202 are disposed around the second substrate 201, the retaining walls 202 are made of a hydrophobic material, a cross-sectional shape of the retaining walls 202 is preferably trapezoidal or rectangular, the retaining walls 202 are perpendicular to the first substrate 101 and have a thickness preferably in a range of 800nm to 1500nm, the second substrate 201 is one of a glass substrate, a phenolic resin substrate, an epoxy resin substrate, or a polyamide fiber substrate, perovskite materials are uniformly distributed in the light emitting unit 203, hydrogen bonds on a silicon-hydrogen bond-containing side chain of a low molecular organic silicon polymer to the surface of the second substrate 201, adhesion between the light emitting unit 203 and the second substrate 201 is enhanced, hydrogen bonds on the silicon-hydrogen bond-containing side chain of the low molecular organic silicon polymer are broken and are recombined with atoms on adjacent silicon-containing side chains, micro cracks can be repaired, self-healing of the light emitting unit 203 can.
The application provides a perovskite ink, liquid crystal display panel and O L ED display panel, perovskite ink includes perovskite material and low molecular organosilicon polymer in this application, wherein, low molecular organosilicon polymer's molecular formula CxHyNzOmSinX, y, z, m and n are positive integers, the low-molecular organosilicon polymer has multiple silicon-hydrogen bond side chains, hydrogen bonds on the silicon-hydrogen bond side chains are bonded to the surface of the substrate, the adhesion between the cured ink and the substrate is enhanced, and the hydrogen bonds on the silicon-hydrogen bond side chains are broken and then recombined with preset atoms on adjacent silicon-hydrogen bond side chains through hydrogen bond action, so that the ink can be used for printing ink on a substrateCan repair the crazing line, can also realize corresponding rete self-healing, so the luminescent layer or the color conversion layer that this perovskite ink formed have outstanding selfreparing performance, reinforcing display device stability and pliability promote display panel's luminous intensity and visual angle.
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 scope of the appended claims.

Claims (10)

1. A perovskite ink comprising a perovskite material and a low molecular organosilicon polymer having the formula:
Figure FDA0002491798560000011
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
2. The perovskite ink as claimed in claim 1, wherein the low molecular weight organosilicon polymer has at least two silicon-hydrogen bond containing side chains, and at least one hydrogen bond is formed by silicon atoms, nitrogen atoms or oxygen atoms and hydrogen atoms on the periphery of each silicon-hydrogen bond containing side chain, and any two adjacent silicon-hydrogen bond containing side chains are coordinately connected through a non-metal atom, and the coordinately connected non-metal atom is one or more than one of nitrogen atoms, oxygen atoms or silicon atoms.
3. The perovskite ink as claimed in claim 2, wherein at least one or more of amino group, hydroxyl group, carboxyl group, phenyl group, aldehyde group and phenolic hydroxyl group is formed on the hydrogen atom, carbon atom, nitrogen atom and oxygen atom at the periphery of any two adjacent side chains containing silicon-hydrogen bond.
4. The perovskite ink as claimed in claim 1, wherein the low molecular organosilicon polymer has a molecular weight in the range of 1000g/mol to 10000 g/mol.
5. The perovskite ink as claimed in claim 1, further comprising a solvent and a functional assistant, wherein the perovskite material accounts for 10 wt% -40 wt% of the perovskite ink, the low-molecular organosilicon polymer accounts for 10 wt% -40 wt% of the perovskite ink, the solvent accounts for 10 wt% -30 wt% of the perovskite ink, and the functional assistant accounts for 0.2 wt% -5 wt% of the perovskite ink.
6. The perovskite ink as claimed in claim 5, wherein the solvent is dimethylformamide and/or dimethylsulfoxide solvent and the functional assistant comprises a surface tension adjusting agent and/or leveling agent.
7. The liquid crystal display panel is characterized by comprising an array substrate, a color film substrate and a liquid crystal layer between the array substrate and the color film substrate;
the color film substrate comprises a first substrate and a color conversion layer positioned on the first substrate;
the color conversion layer is made of perovskite ink, the perovskite ink comprises a perovskite material and a low-molecular organosilicon polymer, and the structural formula of the low-molecular organosilicon polymer is as follows:
Figure FDA0002491798560000031
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
8. The liquid crystal display panel according to claim 7, wherein the perovskite material is uniformly distributed in the color conversion layer, hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular silicone polymer are bonded to the surface of the first substrate through hydrogen bonding, and/or hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular silicone polymer are broken and then recombined with preset atoms on adjacent silicon-hydrogen bond-containing side chains through hydrogen bonding.
9. An O L ED display panel, comprising an array driving substrate and a light emitting device on the array driving substrate, wherein the light emitting device comprises an anode, a light emitting layer and a cathode which are stacked;
the light-emitting layer comprises a second substrate and a light-emitting unit positioned on the second substrate, the light-emitting unit is made of perovskite ink, the perovskite ink comprises a perovskite material and a low-molecular organosilicon polymer, and the structural formula of the low-molecular organosilicon polymer is as follows:
Figure FDA0002491798560000041
wherein R is1Is O or N, R2Is- (CH)2)m-CH3，R3Is O or NH, wherein m is an integer from 0 to 12, n1 is an integer from 1 to 4, n2 is an integer from 1 to 4, n3 is an integer from 1 to 100, n4 is an integer from 1 to 6, and n5 is an integer from 1 to 5; the low molecular silicone polymer has at least triple hydrogen bonds.
10. The O L ED display panel according to claim 9, wherein the perovskite material is uniformly distributed in the light-emitting unit, hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular silicone polymer are bonded to the surface of the second substrate through hydrogen bonding, and/or hydrogen bonds on the silicon-hydrogen bond-containing side chains of the low molecular silicone polymer are broken and then recombined with preset atoms on adjacent silicon-hydrogen bond-containing side chains through hydrogen bonding.
CN202010407328.0A 2020-05-14 2020-05-14 Perovskite ink, liquid crystal display panel and O L ED display panel Pending CN111454606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010407328.0A CN111454606A (en) 2020-05-14 2020-05-14 Perovskite ink, liquid crystal display panel and O L ED display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010407328.0A CN111454606A (en) 2020-05-14 2020-05-14 Perovskite ink, liquid crystal display panel and O L ED display panel

Publications (1)

Publication Number Publication Date
CN111454606A true CN111454606A (en) 2020-07-28

Family

ID=71674763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010407328.0A Pending CN111454606A (en) 2020-05-14 2020-05-14 Perovskite ink, liquid crystal display panel and O L ED display panel

Country Status (1)

Country Link
CN (1) CN111454606A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021248708A1 (en) * 2020-06-12 2021-12-16 深圳市华星光电半导体显示技术有限公司 Quantum dot ink and display terminal

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101260258A (en) * 2007-02-09 2008-09-10 佳能株式会社 Liquid composition, image forming method, ink cartridge, recording unit, and inkjet recording apparatus
EP2088173A1 (en) * 2006-11-22 2009-08-12 Kaneka Corporation Curable composition and catalyst composition
CN102344747A (en) * 2010-07-30 2012-02-08 雍飞 Low surface energy organosilicon coating material composition, preparation method, updating method and application thereof
CN106409873A (en) * 2016-10-12 2017-02-15 上海天马微电子有限公司 Flexible display device and manufacturing method
CN107805308A (en) * 2016-09-09 2018-03-16 翁秋梅 A kind of dynamic aggregation thing and its application with hybrid cross-linked network
CN107805309A (en) * 2016-09-09 2018-03-16 翁秋梅 A kind of dynamic aggregation thing of non-covalent structure and its application
CN107815055A (en) * 2016-09-12 2018-03-20 翁秋梅 A kind of dynamic aggregation thing thermoplastic elastomer (TPE) and its application
CN109320723A (en) * 2018-10-12 2019-02-12 泉州三欣新材料科技有限公司 A kind of self-repair type organic siliconresin and preparation method thereof
CN110591542A (en) * 2019-08-28 2019-12-20 山东大学 Disulfide bond and hydrogen bond containing dual self-repairing polyurethane coating for invisible car cover and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2088173A1 (en) * 2006-11-22 2009-08-12 Kaneka Corporation Curable composition and catalyst composition
CN101260258A (en) * 2007-02-09 2008-09-10 佳能株式会社 Liquid composition, image forming method, ink cartridge, recording unit, and inkjet recording apparatus
CN102344747A (en) * 2010-07-30 2012-02-08 雍飞 Low surface energy organosilicon coating material composition, preparation method, updating method and application thereof
CN107805308A (en) * 2016-09-09 2018-03-16 翁秋梅 A kind of dynamic aggregation thing and its application with hybrid cross-linked network
CN107805309A (en) * 2016-09-09 2018-03-16 翁秋梅 A kind of dynamic aggregation thing of non-covalent structure and its application
CN107815055A (en) * 2016-09-12 2018-03-20 翁秋梅 A kind of dynamic aggregation thing thermoplastic elastomer (TPE) and its application
CN106409873A (en) * 2016-10-12 2017-02-15 上海天马微电子有限公司 Flexible display device and manufacturing method
CN109320723A (en) * 2018-10-12 2019-02-12 泉州三欣新材料科技有限公司 A kind of self-repair type organic siliconresin and preparation method thereof
CN110591542A (en) * 2019-08-28 2019-12-20 山东大学 Disulfide bond and hydrogen bond containing dual self-repairing polyurethane coating for invisible car cover and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021248708A1 (en) * 2020-06-12 2021-12-16 深圳市华星光电半导体显示技术有限公司 Quantum dot ink and display terminal
US12305050B2 (en) 2020-06-12 2025-05-20 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Quantum dot ink and display terminal

Similar Documents

Publication Publication Date Title
US20090283794A1 (en) Curable resin material composition, optical material, light-emitting device, method for producing light-emitting device, and electronic device
CN1293393C (en) Anti-reflection coating, optical element and visual display
US7527408B2 (en) Backlight unit having heat dissipating layer, display device having heat dissipating layer, and method for manufacturing heat dissipating layer
JP4506904B1 (en) Organic electroluminescence light source device
JP2015102857A (en) Light conversion member, backlight unit, liquid crystal display device, and method for manufacturing light conversion member
CN1588201A (en) LED backlight module
CN111454606A (en) Perovskite ink, liquid crystal display panel and O L ED display panel
JP5798259B1 (en) Sealant for display element
CN101051153A (en) Back light module
KR102176074B1 (en) Aromatic polyamide solution for producing display element, optical element or illumination element
KR20160068798A (en) Resin composition, substrate, method of manufacturing electronic device and electronic device
CN110703498B (en) Quantum dot film, preparation method thereof, backlight source and display device
JP5258163B2 (en) Optical sheet, substrate for image display device, liquid crystal display device, organic EL display device and solar cell
TWI836780B (en) Low-refractivity optical clear resin
KR101606578B1 (en) Uv curable adhesive composition
KR101469257B1 (en) Resin composition for optical film, optical film using the same and method for preparing thereof
KR100669138B1 (en) High Reflective Film Heat Seal Adhesive for LCD Backlight
KR20180056563A (en) Liquid Crystal Display Device Comprising High Brightness Film
KR101584403B1 (en) Composite sheet and display apparatus comprising the same
CN118222176A (en) Low refractive index optical resin
KR20180056578A (en) Liquid Crystal Display Comprising Bright Enhancing Film
CN101509620A (en) Ultra-thin backlight source
KR100820676B1 (en) Backlight unit and display device including a thermal diffusion layer
CN1584693A (en) Backlight module and its fixing mechanism
KR20070080782A (en) Thermal diffusion layer, backlight unit and display device including 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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200728

RJ01 Rejection of invention patent application after publication