CN110205037A - Sealant and liquid crystal display device - Google Patents
Sealant and liquid crystal display device Download PDFInfo
- Publication number
- CN110205037A CN110205037A CN201910460003.6A CN201910460003A CN110205037A CN 110205037 A CN110205037 A CN 110205037A CN 201910460003 A CN201910460003 A CN 201910460003A CN 110205037 A CN110205037 A CN 110205037A
- Authority
- CN
- China
- Prior art keywords
- sealant
- mass fraction
- epoxy resin
- liquid crystal
- ultraviolet lighting
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13398—Spacer materials; Spacer properties
Abstract
A kind of sealant and liquid crystal display panel, the sealant include thermal initiator, mass fraction ultraviolet lighting colour-changing agent and mass fraction inorganic filler 0~40% between 1%~10% between of acryl resin, mass fraction photoinitiator, mass fraction 0.5%~2% between of epoxy resin, mass fraction of the mass fraction between 15%~40% between 15%~40% between 5%~15%.The liquid crystal display device includes: color membrane substrates, array substrate and liquid crystal layer, and the edge both ends between the color membrane substrates and the array substrate are additionally provided with the sealant；The sealant contains ultraviolet light induced off-color material, when ultraviolet lighting of the sealant without the close color membrane substrates side, the sealant is in colourless or yellow, and when the sealant is passed through close to the ultraviolet lighting of the color membrane substrates side, the sealant is in black.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of sealant and liquid crystal display devices.
Background technique
At present in Thin Film Transistor-LCD (TFT-LCD) production, need in array substrate or color membrane substrates
Then two substrates are carried out to a group fitting under vacuum conditions, then sealant are solidified, sealant by upper dispenser method and sealant
For being bonded array substrate and color membrane substrates, and intermediate liquid crystal is protected not influenced by outside air and water.It is existing
The curing process of PSVA-LCD panel (polymer stabilizing homeotropic liquid crystal display panel) sealant is broadly divided into two steps: first
Solidified using ultraviolet lighting, then further achievees the purpose that be fully cured by heating.As people are to flat-panel monitor requirement
Raising, narrow frame display panel is increasingly becoming the mainstream of display.Frame narrows and does not generate light leakage again, and black matrix (BM) is general
Need to be overlapped with sealant, since ultraviolet light can not can only be selected by black matrix (BM), the ultraviolet light solidification of sealant
It selects and is irradiated from array substrate side, because of the demand of narrow frame, the metal routing on array substrate periphery becomes more closeer, makes to seal frame
Glue can greatly be weakened when ultraviolet radiation-curable through the intensity of illumination of metal routing, lead to sealant solidification not exclusively,
And change unevenly with the curing degree of metal wire arrangement variable density sealant, in turn result in display periphery box thickness ununiformity
(Mura), the generation for the problems such as liquid crystal punctures.
In conclusion existing sealant and liquid crystal display device, since the metal routing on array substrate periphery is excessively close
Collection when sealant may be made to pass through close to the ultraviolet radiation-curable of array substrate side, leads to sealant solidification not exclusively, into one
Step leads to liquid crystal display device periphery box thickness ununiformity.
Summary of the invention
The present invention provides a kind of sealant and liquid crystal display device, can be avoided sealant and solidifies through ultraviolet light by metal wire
Width is to the occlusion issue of ultraviolet light, to solve existing sealant and liquid crystal display device, due to the metal on array substrate periphery
Cabling is excessively intensive, when sealant may be made to pass through close to the ultraviolet radiation-curable of array substrate side, sealant is caused to solidify
Not exclusively, the technical issues of further resulting in liquid crystal display device periphery box thickness ununiformity.
To solve the above problems, technical solution provided by the invention is as follows:
The present invention provides a kind of sealant, and the sealant includes asphalt mixtures modified by epoxy resin of the mass fraction between 15%~40%
Photoinitiator of the acryl resin, mass fraction of rouge, mass fraction between 15%~40% between 0.5%~2%, matter
Measure thermal initiator, mass fraction ultraviolet lighting colour-changing agent and matter 1%~10% between of the score between 5%~15%
Measure inorganic filler of the score between 0~40%.
According to one preferred embodiment of the present invention, when the sealant is without ultraviolet lighting, the sealant in colourless or
Yellow, when the sealant is through ultraviolet lighting, the sealant is in black.
According to one preferred embodiment of the present invention, the epoxy resin includes bisphenol A type epoxy resin, bisphenol F type epoxy tree
Rouge, bisphenol-s epoxy resin, bis-phenol H-type epoxy resin, novolac epoxy resin, polyfunctional glycidyl ether's epoxy resin, more officials
It can at least one of glycidyl amine epoxy resin and halogenated epoxy resin.
According to one preferred embodiment of the present invention, the structural formula of the acryl resin are as follows:
Wherein R base is methyl or ethyl.
According to one preferred embodiment of the present invention, the structural formula of the photoinitiator are as follows:
With
AndAt least one of.
According to one preferred embodiment of the present invention, the structural formula of the thermal initiator are as follows:
And
At least one of.
According to one preferred embodiment of the present invention, the structural formula of the ultraviolet lighting colour-changing agent are as follows:
AndIn at least one
Kind.
According to one preferred embodiment of the present invention, the inorganic filler is silica dioxide granule, alumina particle and clay
At least one of particle, the size of the inorganic filler is between 1 micron to 3 microns.
The present invention also provides a kind of liquid crystal display devices, comprising: color membrane substrates, array substrate and is located in the color film
Liquid crystal layer between substrate and the array substrate, the edge both ends between the color membrane substrates and the array substrate are also
It is provided with sealant；Wherein, the sealant contains ultraviolet light induced off-color material, when the sealant is without close to the color film
When the ultraviolet lighting of substrate-side, the sealant is in colourless or yellow, when the sealant is passed through close to the color membrane substrates side
When ultraviolet lighting, the sealant is in black.
According to one preferred embodiment of the present invention, the sealant includes asphalt mixtures modified by epoxy resin of the mass fraction between 15%~40%
Photoinitiator of the acryl resin, mass fraction of rouge, mass fraction between 15%~40% between 0.5%~2%, matter
Measure thermal initiator, mass fraction ultraviolet lighting colour-changing agent and matter 1%~10% between of the score between 5%~15%
Measure inorganic filler of the score between 0~40%.
The invention has the benefit that sealant provided by the present invention and liquid crystal display device, make sealant ultraviolet
It is in black under illumination, avoids sealant from solidifying the occlusion issue by metal line width to ultraviolet light through ultraviolet light, improve sealant
Cured uniformity further improves the box thickness ununiformity on liquid crystal display device periphery.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is schematic diagram of the liquid crystal display device of the present invention without ultraviolet lighting.
Fig. 2 is schematic diagram of the liquid crystal display device of the present invention after ultraviolet lighting.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention is directed to existing sealant and liquid crystal display device, since the metal routing on array substrate periphery is excessively close
Collection when sealant may be made to pass through close to the ultraviolet radiation-curable of array substrate side, leads to sealant solidification not exclusively, into one
The technical issues of step leads to liquid crystal display device periphery box thickness ununiformity, the present embodiment is able to solve the defect.
The embodiment of the invention provides a kind of sealant, the sealant includes mass fraction between 15%~40%
The light of acryl resin, mass fraction between 0.5%~2% of epoxy resin, mass fraction between 15%~40% draws
Send out the ultraviolet lighting discoloration of thermal initiator, mass fraction between 1%~10% of agent, mass fraction between 5%~15%
The inorganic filler of agent and mass fraction between 0~40%.
Specifically, when the sealant is without ultraviolet lighting, the sealant is in colourless or yellow, when the sealant
When through ultraviolet lighting, the sealant is in black.
Specifically, the epoxy resin includes bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol S type epoxy tree
Rouge, bis-phenol H-type epoxy resin, novolac epoxy resin, polyfunctional glycidyl ether's epoxy resin, multifunctional glycidyl amine epoxy
At least one of resin and halogenated epoxy resin.It preferably, can when the epoxy resin uses bisphenol A type epoxy resin
Select model E-44 bisphenol A type epoxy resin or E-51 bisphenol A type epoxy resin.Wherein, the model E-44 bisphenol type epoxy
The structural formula of resin is as follows:
The structural formula of the model E-51 bisphenol A type epoxy resin is as follows:
Specifically, the structural formula of the acryl resin are as follows:Wherein R base is methyl or ethyl.
Specifically, the structural formula of the photoinitiator are as follows:
With
AndAt least one of.
Specifically, the structural formula of the thermal initiator are as follows:
AndIn
At least one.
Specifically, the structural formula of the ultraviolet lighting colour-changing agent are as follows:
And
In
It is at least one.
Specifically, the inorganic filler is at least one of silica dioxide granule, alumina particle and clay particle,
The size of the inorganic filler is between 1 micron to 3 microns.
As shown in Figure 1, the liquid crystal display device includes: color membrane substrates the present invention also provides a kind of liquid crystal display device
10, array substrate 20 and the liquid crystal layer 30 being located between the color membrane substrates 10 and the array substrate 20 are located at described
Edge both ends between color membrane substrates 10 and the array substrate 20 are additionally provided with sealant 40；Wherein, the sealant 40 contains
There is ultraviolet light induced off-color material, when ultraviolet lighting of the sealant 40 without close 10 side of color membrane substrates, the envelope
Frame glue is in colourless or yellow.
Specifically, the color membrane substrates 10 include first substrate 11, chromatic filter layer 12, protective film 13 and pixel electrode
14, the chromatic filter layer 12 is all set on the first substrate 11 with the protective film 13, and the chromatic filter layer 12 is also
Including red color resistance layer 121, green color blocking layer 122 and blue color blocking layer 123.
Specifically, the sealant includes that epoxy resin, mass fraction of the mass fraction between 15%~40% exist
Photoinitiator between 0.5%~2% of acryl resin, mass fraction between 15%~40%, mass fraction 5%~
Ultraviolet lighting colour-changing agent between 1%~10% of thermal initiator, mass fraction between 15% and mass fraction 0~
Inorganic filler between 40%.
As shown in Fig. 2, being schematic diagram of the liquid crystal display device of the present invention after ultraviolet lighting.Wherein, when ultraviolet light 60 passes through
When 10 side of color membrane substrates is irradiated to the sealant 40, the sealant 40 is in black.
Specifically, the sealant also needs to carry out at a certain temperature after the ultraviolet light 60 irradiation solidification
Certain time heat cure, is fully cured with reaching, and the last sealant 40 is in black.
Liquid crystal display device of the invention is used as sealant material, the liquid crystal display device using the sealant 40
Periphery is white, yellow or colourless, the sealant before ultraviolet radiation-curable without black matrix", the sealant 40
40 are become black after ultraviolet radiation-curable, are played shading, are prevented periphery light leakage phenomena, with traditional liquid crystal display device week
As the effect of side black matrix".The ultraviolet light 10 is irradiated from 10 side of color membrane substrates, is avoided from the array substrate
There are the shortcomings that metal routing blocks ultraviolet light 60 in 30 sides, improve light efficiency, also avoid different cabling density area frame glues
Solidify uneven phenomenon.
The invention has the benefit that sealant provided by the present invention and liquid crystal display device, make sealant ultraviolet
It is in black under illumination, avoids sealant from solidifying the occlusion issue by metal line width to ultraviolet light through ultraviolet light, improve sealant
Cured uniformity further improves the box thickness ununiformity on liquid crystal display device periphery.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of sealant, which is characterized in that the sealant include epoxy resin of the mass fraction between 15%~40%,
Photoinitiator of acryl resin, mass fraction of the mass fraction between 15%~40% between 0.5%~2%, quality
Ultraviolet lighting colour-changing agent and quality of thermal initiator, mass fraction of the score between 5%~15% between 1%~10%
Inorganic filler of the score between 0~40%.
2. sealant according to claim 1, which is characterized in that when the sealant is without ultraviolet lighting, the envelope
Frame glue is in colourless or yellow, and when the sealant is through ultraviolet lighting, the sealant is in black.
3. sealant according to claim 1, which is characterized in that the epoxy resin includes bisphenol A type epoxy resin, double
Phenol F type epoxy resin, bisphenol-s epoxy resin, bis-phenol H-type epoxy resin, novolac epoxy resin, polyfunctional glycidyl ether's ring
At least one of oxygen resin, multifunctional glycidyl amine epoxy resin and halogenated epoxy resin.
4. sealant according to claim 1, which is characterized in that the structural formula of the acryl resin are as follows:Wherein R base is methyl or ethyl.
5. sealant according to claim 1, which is characterized in that the structural formula of the photoinitiator are as follows:
With
AndAt least one of.
6. sealant according to claim 1, which is characterized in that the structural formula of the thermal initiator are as follows:
And
At least one of.
7. sealant according to claim 1, which is characterized in that the structural formula of the ultraviolet lighting colour-changing agent are as follows:
And
In at least
It is a kind of.
8. sealant according to claim 1, which is characterized in that the inorganic filler is silica dioxide granule, aluminium oxide
At least one of particle and clay particle, the size of the inorganic filler is between 1 micron to 3 microns.
9. a kind of liquid crystal display device characterized by comprising color membrane substrates, array substrate and be located in the color film base
Liquid crystal layer between plate and the array substrate, the edge both ends between the color membrane substrates and the array substrate are also set
It is equipped with sealant；Wherein, the sealant contains ultraviolet light induced off-color material, when the sealant is without close to the color film base
When the ultraviolet lighting of plate side, the sealant is in colourless or yellow, when the sealant passes through the purple close to the color membrane substrates side
When outer illumination, the sealant is in black.
10. liquid crystal display device according to claim 9, which is characterized in that the sealant includes that mass fraction exists
Acryl resin between 15%~40% of epoxy resin, mass fraction between 15%~40%, mass fraction are 0.5%
Thermal initiator between 5%~15% of photoinitiator, mass fraction between~2%, mass fraction are between 1%~10%
The inorganic filler between 0~40% of ultraviolet lighting colour-changing agent and mass fraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460003.6A CN110205037A (en) | 2019-05-30 | 2019-05-30 | Sealant and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460003.6A CN110205037A (en) | 2019-05-30 | 2019-05-30 | Sealant and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110205037A true CN110205037A (en) | 2019-09-06 |
Family
ID=67789529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910460003.6A Pending CN110205037A (en) | 2019-05-30 | 2019-05-30 | Sealant and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110205037A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111443530A (en) * | 2020-04-15 | 2020-07-24 | 深圳市华星光电半导体显示技术有限公司 | Display screen and display device |
| CN112280504A (en) * | 2020-10-16 | 2021-01-29 | 武汉华星光电技术有限公司 | Frame sealing adhesive and liquid crystal display panel |
| CN114015397A (en) * | 2021-11-16 | 2022-02-08 | Tcl华星光电技术有限公司 | Frame glue and liquid crystal display panel |
| CN115650951A (en) * | 2022-09-07 | 2023-01-31 | 中国人民解放军96901部队25分队 | Diaryl ethylene organic photochromic material and preparation method thereof |
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Cited By (7)
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| CN111443530A (en) * | 2020-04-15 | 2020-07-24 | 深圳市华星光电半导体显示技术有限公司 | Display screen and display device |
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| US11937452B2 (en) | 2020-04-15 | 2024-03-19 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display screen with photosensitive material included in shielding layer or bonding layer, and display device including same |
| CN112280504A (en) * | 2020-10-16 | 2021-01-29 | 武汉华星光电技术有限公司 | Frame sealing adhesive and liquid crystal display panel |
| CN114015397A (en) * | 2021-11-16 | 2022-02-08 | Tcl华星光电技术有限公司 | Frame glue and liquid crystal display panel |
| CN115650951A (en) * | 2022-09-07 | 2023-01-31 | 中国人民解放军96901部队25分队 | Diaryl ethylene organic photochromic material and preparation method thereof |
| CN115650951B (en) * | 2022-09-07 | 2023-12-26 | 中国人民解放军96901部队25分队 | Diaryl ethylene organic photochromic material and preparation method thereof |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20190906 |