CN106444169A - Liquid crystal display device and preparation method thereof - Google Patents
Liquid crystal display device and preparation method thereof Download PDFInfo
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- CN106444169A CN106444169A CN201611110134.4A CN201611110134A CN106444169A CN 106444169 A CN106444169 A CN 106444169A CN 201611110134 A CN201611110134 A CN 201611110134A CN 106444169 A CN106444169 A CN 106444169A
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- liquid crystal
- light
- polymer ring
- liquid
- frame adhesive
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display device and a preparation method thereof. The device comprises an upper substrate, a lower substrate corresponding to the upper substrate, a display area, a frame adhesive and a polymer ring, wherein the display area is arranged between the upper substrate and the lower substrate and filled with liquid crystal, and the frame adhesive is arranged on the outer edge of the liquid crystal display device. The polymer ring surrounds the display area, and the frame adhesive is arranged around the outer edge of the polymer ring; the upper end and the lower end of the polymer ring are connected with the upper substrate and the lower substrate respectively. Because the periphery of the display area is surrounded by the polymer ring, and the upper end and the lower end of the polymer ring are connected with the upper substrate and the lower substrate, the liquid crystal is completely isolated from the frame adhesive, and thus it is avoided that the liquid crystal is polluted.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly to a kind of liquid crystal indicator and preparation method thereof.
Background technology
It is known that LCD is LCDs, liquid crystal material plays very important smooth valve action.But more or less all
Can there is the contaminated problem of liquid crystal.The traditional vacuum instillation process that LCD produces is that the solidification first carrying out frame adhesive carries out liquid again
Brilliant perfusion is although frame adhesive has cured, but can there is the phenomenon that pollutant component separates out pollution liquid crystal.ODF technique is
Resolidification frame adhesive after another substrate of coating frame adhesive substrate and dispenser method is fitted, if frame adhesive can not be
Solidification in short time, then uncured frame adhesive then can be easy to contact with liquid crystal material thus leading to liquid crystal to be contaminated, and
And, the frame adhesive after solidification also has pollution molecule and spreads thus polluting liquid crystal.When applying electric field, contaminated liquid crystal molecule
Characteristic can change it is impossible to complete twisted arrangement action in time, observe and can be appreciated that contaminated area by bright dimmed from pixel
Process on there is an obvious time difference, form periphery mura, image retention etc. show bad.On the other hand, liquid crystal and solid
Leakage crystalline substance after the frame adhesive contact changed also can cause frame adhesive to puncture and fit is bad.
Content of the invention
In order to solve above-mentioned technical problem, using the liquid crystal indicator comprising polymer ring, polymer ring will for the present invention
The liquid crystal of display device and frame adhesive completely cut off out completely, substantially reduce liquid crystal and are contaminated rate or make liquid crystal hardly contaminated, from
And reduce LCDs and show bad problem.Meanwhile, the invention also discloses the manufacture method of this display device, the method letter
Single easy, the problems such as show bad can be reduced, improve product yield and quality.
The technical problem to be solved is achieved by the following technical programs：
A kind of liquid crystal indicator, including upper substrate infrabasal plate corresponding with upper substrate, is arranged between upper substrate and infrabasal plate
Viewing area full of liquid crystal, and be arranged in the outer peripheral frame adhesive of described liquid crystal indicator it is characterised in that：Also include gathering
Compound ring, described polymer ring is arranged around viewing area, and described frame adhesive is arranged around polymer ring outward flange.
Further, the upper and lower ends of described polymer ring are connected with upper substrate, infrabasal plate respectively.
Further, described polymer ring is prepared from by ultraviolet light liquid-crystal composition, described liquid-crystal composition
Including liquid crystal material, prepolymer, monomer and light trigger.
The present invention also provides the manufacture method of above-mentioned liquid crystal indicator it is characterised in that comprising the following steps：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using ODF technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, so that the polymeric acceptor in liquid crystal cell ties up to reacting under ultraviolet light, forms polymer ring, liquid crystal divides
Son is separated to the viewing area not having ultraviolet light.
Further, the irradiation process described in step 3 is once irradiating, is more than 100mw/cm using light intensity, illumination
Time is 10min-100min, and illumination initial temperature is set in 23-40 DEG C.
The present invention also provides the manufacture method of above-mentioned liquid crystal indicator it is characterised in that comprising the following steps：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using traditional liquid filling technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, and the shape of described transmittance section is with the polymerization to be formed
The shape of thing ring matches, or matches with the shape of frame adhesive and the polymer ring to be formed；In upper substrate or infrabasal plate
Side is irradiated to described liquid crystal cell by light shield using ultraviolet light, so that the polymeric acceptor in liquid crystal cell ties up to ultraviolet
React under light irradiation, form polymer ring, liquid crystal molecule is separated to the viewing area not having ultraviolet light.
Further, the irradiation process described in step 3 is once irradiating, is 1.5-150mw/cm using light intensity, illumination
Time is 10min-100min, and illumination initial temperature is set in 23-40 DEG C.
Further, in above-mentioned manufacture method, described polymeric system comprises prepolymer, monomer, light trigger.
Further, described prepolymer is esters of acrylic acid prepolymer, and described monomer is acrylic ester monomer, described light
Initiator is the hydrogen-capture-type light initiator in radical polymerization light trigger.
Further, described monomer is methacrylic acid-beta-hydroxy ethyl ester, 1,6- hexanediyl ester or trihydroxy methyl
Propane triacrylate, described light trigger is benzophenone and its derivant or 1-Phenylethanone. and its derivant.
Further, described prepolymer and monomer content in liquid crystal material are 0.1wt%-2wt%, and light trigger is in liquid crystal
In material, content is 0.001wt%-0.1wt%.
The present invention has the advantages that：
（1）The present invention is simultaneously introduced the polymeric system of prepolymer, monomer and light trigger composition in liquid crystal molecule, using purple
After outer light is irradiated by light shield, polymeric system forms polymer ring structure according to the pattern of light shield, plays stop liquid crystal
The effect being contacted with frame adhesive, thus being effectively reduced the contaminated rate of liquid crystal, being reduced periphery mura, image retention etc. and showing bad asking
Topic.
（2）Polymer ring structure also has stability, can directly support upper and lower base plate, by increasing capacitance it is possible to increase liquid crystal cell resistance to compression
Property, maintain liquid crystal cell periphery box thick, reduce the display that is producing because box thickness periphery is uneven bad.
（3）The invention also discloses a kind of manufacture method of liquid crystal indicator, the method is simple, can reduce aobvious
The problems such as show bad, improve product yield and quality.
Brief description
Fig. 1 is the structure chart of liquid crystal indicator of the present invention；
Fig. 2 is for forming the schematic diagram of polymer ring in the step 3 of manufacture method of liquid crystal indicator of the present invention；
Fig. 3 is the schematic diagram forming polymer ring another kind of in the step 3 of manufacture method of liquid crystal indicator of the present invention.
In figure：1st, upper substrate, 2, infrabasal plate, 3, viewing area, 4, frame adhesive, 5, polymer ring, 6, light shield.
Specific embodiment
With reference to embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention,
It is not limitation of the invention.
In prior art, in order to reduce the pollution to liquid crystal for the frame adhesive, often focus on improvement frame glue material,
By increasing the anchoring ability to small-molecule substance for the material, reduce the small-molecule substance in liquid crystal material that dissociates, thus reducing
The pollution to liquid crystal for the frame adhesive, but inventor find actual processing procedure in existing frame glue material the difficulty of improvement further very
Height, the effect of the pollution to liquid crystal for the minimizing frame adhesive that it can reach is limited, and using frame adhesive and liquid crystal can be completely cut off completely
Polymer ring, pollution can be reduced to minimum.
Based on above-mentioned thought, the invention provides a kind of liquid crystal indicator, including upper substrate corresponding with upper substrate under
Substrate, be arranged between upper substrate and infrabasal plate be full of the viewing area of liquid crystal, to be arranged in described liquid crystal indicator outer peripheral
Frame adhesive, and polymer ring；Polymer ring is arranged around viewing area, and described frame adhesive is arranged around polymer ring outward flange；
Described polymer ring is formed by photocuring and its upper and lower ends is bonding with upper substrate, infrabasal plate respectively, reduces liquid crystal further
The contaminated possibility of material.Surrounding due to viewing area is surrounded by polymer ring, and the upper and lower ends of polymer ring are connected to
Upper and lower base plate, it is achieved that the isolation completely of liquid crystal and frame adhesive, it is to avoid liquid crystal is contaminated.
The manufacture method of above-mentioned liquid crystal indicator, comprises the following steps：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using traditional liquid filling technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, and the shape of described transmittance section is with the polymerization to be formed
The shape of thing ring matches, or matches with the shape of frame adhesive and the polymer ring to be formed；In upper substrate or infrabasal plate
Side is irradiated to described liquid crystal cell by light shield using ultraviolet light, and described irradiation process is once irradiating, using light intensity
For 1.5-150mw/cm, light application time is 10min-100min, and illumination initial temperature is set in 23-40 DEG C, and temperature can be with
The prolongation of light application time gradually rises；So that the polymeric acceptor in liquid crystal cell ties up under ultraviolet light under ultraviolet light
React, form polymer ring, liquid crystal material is separated to the viewing area not having ultraviolet light so that polymer ring is around aobvious
Show that area is arranged, described frame adhesive is arranged around polymer ring outward flange.Polymer ring can be by the liquid crystal of display device and frame
Glue completely cuts off out completely, greatly reduces liquid crystal and is contaminated rate.
Above-mentioned liquid crystal indicator can also be obtained by following manufacture method, and it comprises the following steps：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using ODF technology, it is coated with frame adhesive and in infrabasal plate dispenser method compositionss in upper substrate, or drips in upper substrate
Fluid injection crystal composite and infrabasal plate be coated with frame adhesive, then upper substrate and infrabasal plate vacuum para-position laminating obtain liquid crystal cell；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, in described irradiation process, light intensity according to used by solidification depending on light intensity needed for frame adhesive, preferably but be not limited to adopt
Light intensity >=100 mw/cm, light application time is 10min-100min, and illumination initial temperature is set in 23-40 DEG C, and temperature can be with
Light application time extends and gradually rises；Polymeric system under ultraviolet light so that in liquid crystal cell and frame adhesive are in ultraviolet
React under light irradiation, form polymer ring and frame adhesive respectively；Liquid crystal material is separated to the display not having ultraviolet light
So that polymer ring is arranged around viewing area, described frame adhesive is arranged around polymer ring outward flange in area.Polymer ring can be by
The liquid crystal of display device and frame adhesive completely cut off out completely, greatly reduce liquid crystal and are contaminated rate.Frame adhesive and UV illumination will be solidified
Polymerization forms polymer ring and is merged into a step, and that is, an illumination curing obtains frame adhesive and polymer ring, can not increase processing procedure, only
Change liquid crystal material and photomask structure, process is simple low cost.
Described upper substrate and infrabasal plate are existing array base palte and color membrane substrates, belong to for those skilled in the art
Known technology, will not be described in detail herein.The white background plate that described upper substrate and infrabasal plate are adopted can be glass substrate or
It is added in the plastic base on substrate glass, described plastic base is including but not limited to PI substrate.After above-mentioned steps 3, also may be used
To carry out separating plastic base and substrate glass, obtain flexible display apparatus.
Described liquid crystal material adopts existing material of the prior art, is not particularly limited, will not be described here.
Described polymeric system comprises prepolymer, monomer, light trigger, and described polymeric acceptor below will be described in further detail
Each component in system.
According to the present invention, described monomer be acrylic ester monomer, specifically, including but not limited to methacrylic acid-
Beta-hydroxy ethyl ester, 1,6 hexanediol diacrylate or trimethylolpropane trimethacrylate.Described monomer is in liquid-crystal composition
Content be 0.02wt%-0.04 wt%.Monomer, as reactive diluent, is complementary functional monomer, such as adds too
Few, less than 0.02%, then liquid-crystal composition mobility can be made too poor, affect processing procedure.And although monomer can also be polymerized,
But its degree of cross linking and the degree of polymerization are all poor, so content can not be too high, too high can affect polymerization effect, increase polymerization difficulty, and
And the polymer ring that polymerization is formed can be made less sticky, do not have the effect connecting upper and lower base plate, thus side can not be completely cut off completely
Frame glue and liquid crystal.Preferably, content in liquid-crystal composition for the described monomer is 0.02wt%-0.03wt%.
Described prepolymer is esters of acrylic acid prepolymer, specially：Epoxy acrylate, urethane acrylate or polyester
Acrylate, but it is not limited to this.Described prepolymer and monomer content in liquid-crystal composition are 0.1wt%-2wt%.In this model
In enclosing, form continuous polymer ring, no phenomenon of rupture, reach good isolation effect, and will not be because of in liquid-crystal composition
The excessive polymer monomer of middle residue, affects display effect.Preferably, described prepolymer and monomer content in liquid-crystal composition
For 0.3wt%-1.8wt%, it is highly preferred that content is 0.5wt%-1.5wt%.
Described light trigger is the hydrogen-capture-type light initiator in radical polymerization light trigger, including but not limited to hexichol first
Ketone and its derivant or 1-Phenylethanone. and its derivant.Light trigger content in liquid-crystal composition is 0.001wt%-0.1wt%.
Within this range, polymerization speed presents first increases the rule reducing afterwards, and less than 0.001wt%, the free radical of generation very little, causes
Speed is extremely slow, and with the increase of light trigger, the free radical of generation gets more and more, and velocity of initiation is also increasingly faster, but when freely
When base is excessive, cage effect can occur between free radical so that speed reduces, so photoinitiator levels also can more than 0.1wt%
Make velocity of initiation extremely slow, thus causing polymerization speed extremely slow, and excessive initiator can cause the decay of light, and impact polymerization is deep
Degree is not so that the polymer ring being formed reaches the effect of isolation completely.Preferably, described light trigger contains in liquid-crystal composition
Amount is preferably 0.01wt%-0.1wt%, more preferably 0.05wt%-0.08wt%.
Inventor it has unexpectedly been discovered that, from above-mentioned particular kind of prepolymer, monomer and light trigger, and control it
Specific content so as to cooperate, synergism, the polymer ring stickiness of generation is good, seriality is good, no phenomenon of rupture, and
Polymerization speed is fast, not only can greatly reduce liquid crystal and be contaminated rate, and not interfere with display effect, achieve unexpected
Technique effect.
The liquid crystal indicator of the present invention passes through for such as television set, personal computer, portable phone, numeral mark
The display device of board, information display etc., can play excellent display characteristic.
Next, the present invention will be described with reference to some embodiments.It should be understood that providing following examples to be merely to illustrate
Purpose and never in any form be construed to limit the present invention.Embodiment 1
A kind of manufacture method of liquid crystal indicator, comprises the following steps：
Step 1：Array base palte, color membrane substrates and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal
Material and the mixture of polymeric system, described polymeric system is：Epoxy acrylate, methacrylic acid-beta-hydroxy ethyl ester and
Benzophenone, wherein epoxy acrylate content in liquid-crystal composition is 0.08wt%, and methacrylic acid-beta-hydroxy ethyl ester is in liquid
In crystal composite, content is 0.02wt%, and benzophenone content in liquid-crystal composition is 0.001wt%.
Step 2：Using ODF technology, it is coated with frame adhesive and in color membrane substrates dispenser method compositionss in array base palte, or
Array base palte dispenser method compositionss and color membrane substrates be coated with frame adhesive, then array base palte and color membrane substrates vacuum para-position patch
Conjunction obtains liquid crystal cell；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, and described irradiation process is once irradiating, light intensity >=100 mw/cm, and light application time is 10min-100min, illumination
Initial temperature is set in 23-40 DEG C；So that the polymeric acceptor in liquid crystal cell ties up to ultraviolet light issues under ultraviolet light
Raw reaction, forms polymer ring, liquid crystal material is separated to the viewing area not having ultraviolet light so that polymer ring is around display
Area is arranged, and described frame adhesive is arranged around polymer ring outward flange.
Embodiment 2
A kind of manufacture method of liquid crystal indicator, comprises the following steps：
Step 1：Array base palte, color membrane substrates and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal
Material and the mixture of polymeric system, described polymeric system is：Urethane acrylate, 1,6 hexanediol diacrylate
And 1-Phenylethanone., wherein urethane acrylate content in liquid-crystal composition is 1.96wt%, and 1,6- hexanediyl ester exists
In liquid-crystal composition, content is 0.04wt%, and 1-Phenylethanone. content in liquid-crystal composition is 0. 1wt%.
Step 2：Using ODF technology, it is coated with frame adhesive and in color membrane substrates dispenser method compositionss in array base palte, or
Array base palte dispenser method compositionss and color membrane substrates be coated with frame adhesive, then array base palte and color membrane substrates vacuum para-position patch
Conjunction obtains liquid crystal cell；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, and described irradiation process is once irradiating, light intensity >=100 mw/cm, and light application time is 10min-100min, illumination
Initial temperature is set in 23-40 DEG C；So that the polymeric acceptor in liquid crystal cell ties up to ultraviolet light issues under ultraviolet light
Raw reaction, forms polymer ring, liquid crystal material is separated to the viewing area not having ultraviolet light so that polymer ring is around display
Area is arranged, and described frame adhesive is arranged around polymer ring outward flange.
Embodiment 3
A kind of manufacture method of liquid crystal indicator, comprises the following steps：
Step 1：Array base palte, color membrane substrates and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal
Material and the mixture of polymeric system, described polymeric system is：Polyester acrylate, trimethylolpropane trimethacrylate
And benzophenone, wherein polyester acrylate content in liquid-crystal composition is 0.47wt%, trimethylolpropane trimethacrylate
In liquid-crystal composition, content is 0.03wt%, and benzophenone content in liquid-crystal composition is 0. 05wt%.
Step 2：Using ODF technology, it is coated with frame adhesive and in color membrane substrates dispenser method compositionss in array base palte, or
Array base palte dispenser method compositionss and color membrane substrates be coated with frame adhesive, then array base palte and color membrane substrates vacuum para-position patch
Conjunction obtains liquid crystal cell；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, and described irradiation process is once irradiating, light intensity >=100 mw/cm, and light application time is 10min-100min, illumination
Initial temperature is set in 23-40 DEG C；So that the polymeric acceptor in liquid crystal cell ties up to ultraviolet light issues under ultraviolet light
Raw reaction, forms polymer ring, liquid crystal material is separated to the viewing area not having ultraviolet light so that polymer ring is around display
Area is arranged, and described frame adhesive is arranged around polymer ring outward flange.
Embodiment 4
Step 1：Array base palte, color membrane substrates and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal
Material and the mixture of polymeric system, described polymeric system is：Epoxy acrylate, 1,6 hexanediol diacrylate,
1-Phenylethanone., wherein epoxy acrylate content in liquid-crystal composition is 0.28wt%, and 1,6- hexanediyl ester is in liquid crystal
In compositionss, content is 0.02wt%, and 1-Phenylethanone. content in liquid-crystal composition is 0. 08wt%.
Step 2：Using traditional liquid filling technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, and the shape of described transmittance section is with the polymerization to be formed
The shape of thing ring matches；By light shield, described liquid crystal cell is irradiated using ultraviolet light in upper substrate or infrabasal plate side,
Described irradiation process is once irradiating, is 1.5-150mw/cm using light intensity, and light application time is 10min-100min, illumination
Initial temperature is set in 23-40 DEG C, and temperature can gradually rise with the prolongation of light application time；So that liquid under ultraviolet light
Polymeric acceptor in brilliant box ties up to and reacts under ultraviolet light, forms polymer ring, liquid crystal material is separated to does not have ultraviolet
So that polymer ring is arranged around viewing area, described frame adhesive is arranged around polymer ring outward flange for the viewing area of light irradiation.
Embodiment described above only have expressed embodiments of the present invention, and its description is more concrete and detailed, but can not
Therefore it is interpreted as the restriction to the scope of the claims of the present invention, as long as the skill being obtained in the form of equivalent or equivalent transformation
Art scheme, all should fall within the scope and spirit of the invention.
Claims (10)
1. a kind of liquid crystal indicator, including upper substrate infrabasal plate corresponding with upper substrate, be arranged at upper substrate and infrabasal plate it
Between full of liquid crystal viewing area, and be arranged in the outer peripheral frame adhesive of described liquid crystal indicator it is characterised in that：Also include
Polymer ring, described polymer ring is arranged around viewing area, and described frame adhesive is arranged around polymer ring outward flange.
2. liquid crystal indicator as claimed in claim 1 it is characterised in that：The upper and lower ends of described polymer ring respectively with upper
Substrate, infrabasal plate connect.
3. liquid crystal indicator as claimed in claim 1 it is characterised in that：Described polymer ring passes through ultraviolet light liquid crystal
Compositionss are prepared from, and described liquid-crystal composition includes liquid crystal material, prepolymer, monomer and light trigger.
4. the liquid crystal indicator as described in any one of claims 1 to 3 manufacture method it is characterised in that：Walk including following
Suddenly：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using ODF technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, the shape of described transmittance section with frame adhesive and is intended to shape
The shape of the polymer ring becoming matches；By light shield, described liquid crystal cell is entered using ultraviolet light in upper substrate or infrabasal plate side
Row irradiates, so that the polymeric acceptor in liquid crystal cell ties up to reacting under ultraviolet light, forms polymer ring, liquid crystal divides
Son is separated to the viewing area not having ultraviolet light.
5. the liquid crystal indicator as described in any one of claims 1 to 3 manufacture method it is characterised in that：Walk including following
Suddenly：
Step 1：Upper substrate, infrabasal plate and liquid-crystal composition are provided, standby；Wherein, described liquid-crystal composition is liquid crystal material
Mixture with polymeric system；
Step 2：Using traditional liquid filling technology, obtain the liquid crystal cell closed by frame adhesive；
Step 3：There is provided light shield, described light shield includes transmittance section and mask portion, and the shape of described transmittance section is with the polymerization to be formed
The shape of thing ring matches, or matches with the shape of frame adhesive and the polymer ring to be formed；In upper substrate or infrabasal plate
Side is irradiated to described liquid crystal cell by light shield using ultraviolet light, so that the polymeric acceptor in liquid crystal cell ties up to ultraviolet
React under light irradiation, form polymer ring, liquid crystal molecule is separated to the viewing area not having ultraviolet light.
6. liquid crystal indicator as claimed in claim 4 manufacture method it is characterised in that：Irradiation process described in step 3
For once irradiating, it is more than 100mw/cm using light intensity, light application time is 10min-100min, illumination initial temperature is set in
23-40℃.
7. liquid crystal indicator as claimed in claim 5 manufacture method it is characterised in that：Irradiation process described in step 3
For once irradiating, it is 1.5-150mw/cm using light intensity, light application time is 10min-100min, illumination initial temperature is set in
23-40℃.
8. the liquid crystal indicator as described in claim 4 or 5 manufacture method it is characterised in that：Described polymeric system bag
Containing prepolymer, monomer, light trigger；Described prepolymer is esters of acrylic acid prepolymer, and described monomer is acrylic ester monomer,
Described light trigger is the hydrogen-capture-type light initiator in radical polymerization light trigger.
9. liquid crystal indicator as claimed in claim 8 manufacture method it is characterised in that：Described monomer is metering system
Acid-beta-hydroxy ethyl ester, 1,6- hexanediyl ester or trimethylolpropane trimethacrylate, described light trigger is hexichol first
Ketone and its derivant or 1-Phenylethanone. and its derivant.
10. liquid crystal indicator as claimed in claim 8 manufacture method it is characterised in that：Described prepolymer and monomer exist
In liquid crystal material, content is 0.1wt%-2wt%, and light trigger content in liquid crystal material is 0.001wt%-0.1wt%.
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| WO2023097789A1 (en) * | 2021-12-03 | 2023-06-08 | 武汉华星光电技术有限公司 | Display panel and method for preparing same, display apparatus |
| US12025885B2 (en) | 2021-12-03 | 2024-07-02 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and manufacturing method thereof, and display device |
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