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CN106773220A - Negative expansion microballoon and preparation method, liquid crystal display panel - Google Patents

Negative expansion microballoon and preparation method, liquid crystal display panel Download PDF

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Publication number
CN106773220A
CN106773220A CN201710085118.2A CN201710085118A CN106773220A CN 106773220 A CN106773220 A CN 106773220A CN 201710085118 A CN201710085118 A CN 201710085118A CN 106773220 A CN106773220 A CN 106773220A
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China
Prior art keywords
liquid crystal
inner core
sealing shell
heat accumulating
negative expansion
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Granted
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CN201710085118.2A
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CN106773220B (en
Inventor
倪欢
李群
解晓龙
张新霞
郭霄
吕凤珍
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Priority to CN201710085118.2A priority Critical patent/CN106773220B/en
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Publication of CN106773220B publication Critical patent/CN106773220B/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/06Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063Materials absorbing or liberating heat during crystallisation; Heat storage materials

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

The embodiment of the present invention provides a kind of negative expansion microballoon and preparation method, liquid crystal display panel, it is related to display technology field, the scope of LC Margin can be improved, low-temperature bubbles and the uneven generation of gravity display is reduced, and can avoid being improved to ensure normal display the problem of clearing point.The liquid crystal display panel includes being arranged at the surface that array base palte is contacted with liquid crystal layer, and/or the regulating course for being arranged at the surface for contacting box substrate with liquid crystal layer;The regulating course includes negative expansion microballoon;Wherein, the regulating course is arranged at the non-display area within the lightproof part of viewing area and the frame glue;The negative expansion microballoon includes sealing shell and is enclosed in inner core therein;Sealing shell is made up of negative thermal expansion material;Inner core includes thermal store, and the thermal store is made up of heat accumulating;Wherein, volume of the thermal store when the volume during absorbing heat is less than or equal to the sealing shell in pyrocondensation.

Description

Negative expansion microballoon and preparation method, liquid crystal display panel
Technical field
The present invention relates to display technology field, more particularly to a kind of negative expansion microballoon and preparation method, LCD Plate.
Background technology
As shown in figure 1, liquid crystal display panel includes array base palte 10 and to box substrate 20, frame glue 30 is arranged on array base palte 10 and between box substrate 20, for encapsulated liquid crystals display panel, also including within frame glue 30, array base palte 10 and to box Liquid crystal layer 40 and chock insulator matter (Post Spacer, abbreviation PS) 50 between substrate 20.The liquid crystal display panel passes through frame glue 30th, chock insulator matter 50 and liquid crystal layer 40 carry out supporting case thickness.
In manufacture craft, LC Margin (Liquid Crystal Margin, liquid crystal loading) need to be in certain limit It is interior, otherwise, because the density with temperature of liquid crystal changes greatly, on the one hand, in hot environment, the liquid crystal in liquid crystal display panel The thermal coefficient of expansion of layer 40 is noticeably greater than chock insulator matter 50 and frame glue 30 so that liquid crystal layer 40 plays main support, chock insulator matter 50 The support force that is born reduces, and the mobility of liquid crystal layer 40 increases, liquid crystal layer 40 due to the flowing of self gravitation factor and liquid crystal, So that there is the excessive situation of liquid crystal in the subregion of liquid crystal display panel, so as to gravity shows uneven under causing high temperature (Gravity Mura);On the other hand, in low temperature environment, the volume contraction of liquid crystal layer 40 is more than chock insulator matter 50 and frame glue 30, There are low-temperature bubbles (Low Temperature Bubble) in the viewing area for being easily caused liquid crystal display panel.
On this basis, as too high clearing point (TNi) more than liquid crystal of temperature in liquid crystal display panel, liquid crystal can be caused Display panel display is abnormal.At present, generally using the method for improving clearing point, to ensure the normal aobvious of liquid crystal display panel Show, however, the clearing point for improving liquid crystal can sacrifice some characteristics of liquid crystal, the response time can such as increased, so as to limit The selection of liquid crystal species.
The content of the invention
Embodiments of the invention provide a kind of negative expansion microballoon and preparation method, liquid crystal display panel, can improve LC The scope of Margin, reduces low-temperature bubbles and the uneven generation of gravity display, and can avoid improving liquid to ensure normal display The problem of brilliant clearing point.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that:
A kind of first aspect, there is provided negative expansion microballoon, including sealing shell and it is enclosed in inner core therein;The sealing Shell is made up of negative thermal expansion material;The inner core includes thermal store, and the thermal store is made up of heat accumulating;Wherein, it is described Volume of the thermal store when the volume during absorbing heat is less than or equal to the sealing shell in pyrocondensation.
Preferably, the heat accumulating is solid-liquid phase change heat accumulating.
Optionally, the inner core is made up of the heat accumulating;There is space between the inner core and the sealing shell.
Optionally, the inner core also includes inclusion enclave, and the material of the inclusion enclave is the material with porous network structure Material;The thermal store is adsorbed in the partially porous property network structure of the inclusion enclave;The inclusion enclave is full of outside the sealing Shell.
It is further preferred that the material with porous network structure includes the porous graphite of expanded treatment.
A kind of second aspect, there is provided preparation method of negative expansion microballoon, including:Formed in being at least made up of thermal store Core, the thermal store is made up of heat accumulating;The inner core is enclosed in sealing shell;The sealing shell is by negative expansion Material is made;Wherein, the thermal store absorb heat during volume less than or equal to the sealing shell in pyrocondensation when Volume.
Optionally, the heat accumulating is solid-liquid phase change heat accumulating;The negative expansion microballoon is formed, is specifically included: The inner core that formation is made up of heat accumulating, and the sealing shell is coated in the interior core outer surface, make the sealing shell Inner surface is contacted with the outer surface of the inner core;The part inner core is dissolved using solvent, is made outside the inner core and the sealing There is space between shell.
Optionally, the heat accumulating is solid-liquid phase change heat accumulating;The negative expansion microballoon is formed, is specifically included: The heat accumulating is heated, the heat accumulating is mutually changed into liquid, by the heat accumulating of liquid and with porous The material blending absorption of network structure, and filter, dry, inner core is made, the inner core is by the material with porous network structure The inclusion enclave of material and the thermal store of heat accumulating are constituted, and the thermal store is adsorbed in the partially porous property net of the inclusion enclave In network structure;The sealing shell is coated in the parcel external surface, makes the inner surface of the sealing shell and the parcel The outer surface contact of body.
A kind of third aspect, there is provided liquid crystal display panel, including array base palte, to box substrate and it is arranged at the two it Between frame glue and liquid crystal layer;Also include being arranged at the surface that the array base palte is contacted with the liquid crystal layer, and/or be arranged at institute State the regulating course on the surface contacted with the liquid crystal layer to box substrate;The regulating course includes the negative expansion described in first aspect Microballoon;Wherein, the regulating course is arranged at the non-display area within the lightproof part of viewing area and the frame glue.
Preferably, the regulating course includes transparent photomask glue and the described negative heat being uniformly mixed in the transparent photomask glue Expandable microspheres.
The embodiment of the present invention provides a kind of negative expansion microballoon and preparation method thereof, liquid crystal display panel, by using bag Include the inner core of thermal store, and the material of thermal store is heat accumulating, when can make it temperature being raised around, absorb heat, During environment temperature reduction, heat is discharged, so that the temperature around it is maintained within a certain range;Adopted by the way that inner core is enclosed in With in the sealing shell of negative thermal expansion material, can making negative expansion microballoon that there is pyrocondensation cold expanding characteristic, wherein, by making heat accumulation Volume of the body when the volume during absorbing heat is less than or equal to sealing shell in pyrocondensation, it is ensured that thermal store becomes in temperature Form generation change will not cause thermal store material to be revealed during change.Based on this, when negative expansion microballoon is used for liquid crystal display In panel, and when making to include the regulating course of negative expansion microballoon near liquid crystal layer setting, by negative expansion microballoon to surrounding The adjustment effect of temperature, can adjust the temperature of liquid crystal around it, reduce due to liquid crystal swell increment or amount of contraction caused by temperature; Meanwhile, by the pyrocondensation cold expanding characteristic of the negative expansion microballoon, the thick increase of box can be made, to weaken liquid crystal when liquid crystal expands Expand the supporting role thick to box;When liquid crystal shrinks, make that box is thick to be reduced, even if thus liquid crystal shrink, will not also cause in box The large change of amount of liquid crystal;To sum up, the scope of LC Margin can be improved, low-temperature bubbles and the uneven hair of gravity display is reduced It is raw, and the clearing point of liquid crystal can be improved, it is to avoid to ensure that normal display improves clearing point, caused by liquid crystal The problem that characteristic is sacrificed.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of liquid crystal display panel of the prior art;
Fig. 2 is a kind of structural representation one of negative expansion microballoon provided in an embodiment of the present invention;
Fig. 3 is a kind of structural representation two of negative expansion microballoon provided in an embodiment of the present invention;
Fig. 4 is a kind of preparation flow schematic diagram one of negative expansion microballoon provided in an embodiment of the present invention;
Fig. 5 is a kind of preparation flow schematic diagram two of negative expansion microballoon provided in an embodiment of the present invention;
Fig. 6 is a kind of structural representation one of liquid crystal display panel provided in an embodiment of the present invention;
Fig. 7 is a kind of structural representation two of liquid crystal display panel provided in an embodiment of the present invention;
Fig. 8 is a kind of preparation flow schematic diagram of liquid crystal display panel provided in an embodiment of the present invention.
Brief description of the drawings:
10- array base paltes;20- is to box substrate;30- frame glues;40- liquid crystal layers;50- chock insulator matters;60- negative expansion microballoons; 61- sealing shells;62- inner cores;63- thermal stores;64- inclusion enclaves;70- regulating courses.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of negative expansion microballoon 60, as Figure 2-3, including sealing shell 61 and is enclosed in Inner core therein 62;Sealing shell 61 is made up of negative thermal expansion material, and inner core 62 includes thermal store 63, and thermal store 63 is by heat accumulation material Material is made;Wherein, volume of the thermal store 63 when the volume during absorbing heat is less than or equal to sealing shell 61 in pyrocondensation.
Wherein, sealing shell 61 coats wherein inner core 62 completely.
It should be noted that first, negative expansion (Negative thermal expansion, the NTE) material is Refer to that average coefficient of linear expansion or the coefficient of volume expansion within the scope of certain temperature are a class compound of negative value.Specific manifestation For within the scope of certain temperature, with the change of temperature, the negative thermal expansion material occurs pyrocondensation cold expanding.For example, it may be Tungsten wire array, carbonnitrogen bond compound, ferroelectric ceramics, the manganese nitrogen compound of anti-perovskite structure and nano-particle etc..
Second, the heat accumulating can be researching of sensible heat storage material, or latent heat heat accumulating or chemical reaction Heat accumulating, is not specifically limited herein, if can around temperature raise when, absorb heat, around temperature reduction when, release Thermal discharge, so that environment temperature is maintained in certain scope.
The embodiment of the present invention provides a kind of negative expansion microballoon 60, and the inner core 62 of thermal store 63 is included by using, and storage The material of hot body 63 be heat accumulating, can make its around temperature raise when, absorb heat, around temperature reduction when, release Thermal discharge, so that the temperature around it is maintained within a certain range;Negative thermal expansion material is used by the way that inner core 62 is enclosed in Sealing shell 61 in, can make negative expansion microballoon 60 have pyrocondensation cold expanding characteristic, wherein, by make thermal store 63 absorb Volume during heat is less than or equal to volume of the sealing shell 61 in pyrocondensation, it is ensured that thermal store 63 is in temperature change mistake Form generation change will not cause the material of thermal store 63 to be revealed in journey.Based on this, when negative expansion microballoon 60 is used for liquid crystal display In panel, and when making to include the regulating course of negative expansion microballoon 60 near liquid crystal layer setting, by the right of negative expansion microballoon 60 The adjustment effect of environment temperature, can adjust the temperature of liquid crystal around it, reduce due to liquid crystal swell increment or receipts caused by temperature Contracting amount;Meanwhile, by the pyrocondensation cold expanding characteristic of the negative expansion microballoon 60, the thick increase of box can be made, to subtract when liquid crystal expands The weak liquid crystal expansion supporting role thick to box;When liquid crystal shrinks, make that box is thick to be reduced, even if thus liquid crystal shrink, will not also lead Cause the large change of amount of liquid crystal in box;To sum up, the scope of LC Margin can be improved, low-temperature bubbles is reduced and gravity is shown not Equal generation, and the clearing point of liquid crystal can be improved, it is to avoid to ensure that normal display improves clearing point, and cause Liquid crystal characteristic sacrifice problem.
It is considered that solid-liquid phase change heat accumulating has storage density big, phase transition process approximately constant temperature and with low cost etc. excellent Point, it is preferred, therefore, that the heat accumulating is solid-liquid phase change heat accumulating.
Wherein, the solid-liquid phase change heat accumulating includes that inorganic solid-liquid phase change heat accumulating and organic solid-liquid phase change are stored up Hot material.
Further, the solid-liquid phase change heat accumulating can be organic calculus wax.Wherein, paraffin also have non-corrosiveness, Steady performance
Based on above-mentioned, there is provided two kinds of concrete structures of negative expansion microballoon 60:
The first structure, as shown in Fig. 2 inner core 62 is made up of the heat accumulating, between inner core 62 and sealing shell 61 With space.
The embodiment of the present invention sets space between inner core 62 and sealing shell 61, can avoid the volume after the phase transformation of inner core 62 Problem that is excessive, making sealing shell 61 rupture and cause the material of inner core 62 after phase transformation to be revealed, so as to negative expansion can be maintained micro- The stability of ball 60.
In order to ensure that the volume after the phase transformation of inner core 62 will not rupture sealing shell 61, it is preferred that the volume of inner core 62 with The ratio between volume of sealing shell 61 is 1:2~1:Between 3.
Second structure, as shown in figure 3, inner core 62 also includes inclusion enclave 64, the material of inclusion enclave 64 is with porous The material of network structure;Thermal store 63 is adsorbed in the partially porous property network structure of inclusion enclave 64;Inclusion enclave 64 is full of sealing Shell 61.
Wherein, illustrated as a example by forms of Fig. 3 when thermal store 63 does not absorb heat, when thermal store 63 absorbs heat phase When being changed into liquid, then the thermal store of liquid can spread to all directions.
Further, since the structure of negative expansion microballoon 60 is spherical structure, inclusion enclave 64 is also spherical structure.
On this basis, inclusion enclave 64 is full of sealing shell 61, i.e. the outer surface of inclusion enclave 64 is interior with sealing shell 61 Surface completely attaches to, and the volume of inclusion enclave 64 is equal with the volume of sealing shell 61.
Based on this, in order to ensure volume of the thermal store 63 during heat is absorbed less than or equal to sealing shell 61 in pyrocondensation When volume, that is, ensure thermal store 63 absorb heat during volume less than or equal to inclusion enclave 64 compressed after volume, Preferably, when there is no liquid phase-change in thermal store 63, the volume of the part of unadsorbed thermal store 63 and absorption heat accumulation in inclusion enclave 64 The ratio between volume of the part of body 63 is 1:1~1:Between 2.
It should be noted that the specific material to inclusion enclave 64 is not defined, as long as ensureing to be stored up with the solid-liquid phase change After hot material blending absorption, filtering, drying, the solid-liquid phase change heat accumulating can adsorb the porous net in inclusion enclave 64 In network structure, and inclusion enclave 64 has certain pliability and thermal conductivity.For example, inclusion enclave 64 can be macromolecule material Material, or the porous graphite of expanded treatment.
Have that thermal conductivity is high, density is low, chemical stability is strong and and solid-liquid in view of the porous graphite of expanded treatment Many advantages, such as phase-change heat-storage material compatibility is good, it is preferred, therefore, that the material with porous network structure is including expanded The porous graphite for the treatment of.
On this basis, the solid-liquid phase change heat accumulating is blended absorption with the porous graphite of expanded treatment, can be made The thermal conductivity of inner core 62 is more preferable.
The embodiment of the present invention also provides a kind of preparation method of negative expansion microballoon 60, as Figure 2-3, including:Formed The inner core 62 being at least made up of thermal store 63, thermal store 63 is made up of heat accumulating;Inner core 62 is enclosed in sealing shell 61; Sealing shell 61 is made up of negative thermal expansion material;Wherein, volume of the thermal store 63 during heat is absorbed is less than or equal to sealing Volume of the shell 61 in pyrocondensation.
The embodiment of the present invention provides a kind of preparation method of negative expansion microballoon 60, with the negative expansion with foregoing description The identical technique effect of microballoon 60, will not be repeated here.
For the negative expansion microballoon 60 of above-mentioned the first structure, as shown in figure 4, its preparation method comprises the following steps:
The inner core 62 that S10, formation are made up of heat accumulating, and sealing shell 61 is coated in the outer surface of inner core 62, make sealing The inner surface of shell 61 is contacted with the outer surface of inner core 62;The heat accumulating is solid-liquid phase change heat accumulating.
S11, using solvent dissolve part inner core 62, make between inner core 62 and sealing shell 61 have space.
Wherein, when dissolving part inner core 62 using solvent, obtained after inner core 62 outer surface being coated into sealing shell 61 First microballoon is positioned in the solvent of permeable sealing shell 61, the solvent is penetrated into sealing shell 61, makes part inner core 62 dissolvings, obtain the second microballoon;Hereafter, second microballoon is taken out, oozes out the solvent in the second microballoon, obtain described negative Microspheres 60.
Additionally, the volume of inner core 62 by time for controlling first microballoon to be placed in the solvent, can be controlled.
For the negative expansion microballoon 60 of above-mentioned second structure, as shown in figure 5, its preparation method comprises the following steps:
S20, the heat accumulating is heated, the heat accumulating is mutually changed into liquid, by the heat accumulating of liquid Absorption is blended with the material with porous network structure, and filters, dry, be made inner core 62;Inner core 62 is by with porous The inclusion enclave 64 of the material of network structure and the thermal store 63 of heat accumulating are constituted, and thermal store 63 is adsorbed in inclusion enclave 64 In partially porous property network structure;The heat accumulating is solid-liquid phase change heat accumulating.
Herein, when thermal store 63 is heated mutually is changed into liquid, the thermal store 63 of liquid is filled in the porous of inclusion enclave 64 In network, when liquid thermal store 63 is mutually changed into solid-state through drying, the volume contraction of thermal store 63 is obtained for example such as Fig. 3 The solid-state thermal store 63 in the shown porous network center positioned at inclusion enclave 64.
Those skilled in the art should be understood that the fusing point of the different solid-liquid phase change heat accumulatings is different, therefore, for not The same solid-liquid phase change heat accumulating, the temperature of its heating is also different.When the solid-liquid phase change heat accumulating is paraffin, The heating-up temperature can be 57 DEG C~80 DEG C, such as described heating-up temperature is 60 DEG C.
S21, the sealing shell 61 is coated in the outer surface of inclusion enclave 64, make the inner surface of sealing shell 61 and the parcel The outer surface contact of body 64.
The embodiment of the present invention provides a kind of liquid crystal display panel, as shown in fig. 6-7, including array base palte 10, to box substrate 20 and it is arranged at frame glue 30 therebetween and liquid crystal layer 40;Also include that be arranged at array base palte 10 contacts with liquid crystal layer 40 Surface, and/or the regulating course 70 for being arranged at the surface contacted with liquid crystal layer 40 to box substrate 20;Regulating course 70 includes above-mentioned Negative expansion microballoon 60;Wherein, regulating course 70 is arranged at the non-display area within the lightproof part of viewing area and frame glue 30.
Wherein, regulating course 70 may be disposed at array base palte 10 and/or to being removed in viewing area lightproof part on box substrate 20 Part beyond correspondence chock insulator matter 50, certainly, may also set up the surface contacted with liquid crystal layer 40 in chock insulator matter 50.
The present invention provides a kind of liquid crystal display panel, by the surface contacted with liquid crystal layer 40 in array base palte 10 or right The setting on the surface that box substrate 20 is contacted with liquid crystal layer 40 includes the regulating course 70 of negative expansion microballoon 60, micro- based on negative expansion The adjustment effect to environment temperature of ball 60, can adjust the temperature of liquid crystal around it, reduce because liquid crystal is swollen caused by temperature Bulk or amount of contraction, meanwhile, the pyrocondensation cold expanding characteristic based on negative expansion microballoon 60 can make the thick increase of box when liquid crystal expands, The supporting role thick to box to weaken liquid crystal expansion;When liquid crystal shrinks, make that box is thick to be reduced, even if thus liquid crystal shrink, also not The large change of amount of liquid crystal in box can be caused;To sum up, the scope of LC Margin can be improved, low-temperature bubbles is reduced and gravity is aobvious Show the generation of inequality, and the clearing point of liquid crystal can be improved, it is to avoid to ensure that normal display improves clearing point, and The problem that caused liquid crystal characteristic is sacrificed.
Preferably, regulating course 70 includes that transparent photomask glue and the negative expansion being uniformly mixed in the transparent photomask glue are micro- Ball 60.
In the case, negative expansion microballoon 60 is mixed in the transparent photomask glue, by exposure, development prepares described Regulating course 70, preparation process is simple.
Based on above-mentioned, as shown in Figure 8, there is provided a kind of specific steps of LCD board manufacturing method:
S30, to box substrate 20 lightproof part formed chock insulator matter 50.
Specifically, it is possible to use chemical vapor deposition method, on box substrate 20 deposit one layer of chock insulator matter film film, it is described The material of chock insulator matter film can be photosensitive material, then, be processed by patterning processes such as exposure, developments with mask plate, Chock insulator matter 50 is formed in the lightproof part to the viewing area of box substrate 20.
S31, complete S30 on the basis of, in array base palte 10 and to forming both alignment layers on box substrate 20.
Specifically, first array substrate 10 and can be cleaned to box substrate 20, removal array base palte 10 and to box base Foreign particle on plate 20, the array base palte 10 after cleaning and to forming alignment film on box substrate 20 by the way of printing, Orientation treatment is carried out to the alignment film using both alignment layers friction process, the both alignment layers are obtained.
S32, complete S31 on the basis of, to the non-display area part of box substrate 10 formed frame glue 30.
S33, complete S32 on the basis of, on to the both alignment layers of box substrate 20 coating include negative expansion microballoon 60 Transparent photomask glue, by exposing, developing, clean, dry, obtains being located to the non-display area within the glue frame 30 of box substrate 20, shows Show the regulating course 70 of area's lightproof part.
Specifically, the regulating course 70 of viewing area lightproof part is located at viewing area lightproof part except chock insulator matter 50 is with outside Point, further may be located on the side surface of chock insulator matter 50.
S34, complete S33 on the basis of, on box substrate 20 formed liquid crystal layer 40.
Specifically, can be by (One Drop Filling, ODF) technology under liquid crystal drop to the both alignment layers to box substrate 20 Upper instillation liquid crystal, forms liquid crystal layer 40.
S35, complete S34 on the basis of, under vacuum conditions, by array base palte 10 and to box substrate 20 in high accuracy model Fitted in enclosing, obtained the liquid crystal display panel.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of negative expansion microballoon, it is characterised in that including sealing shell and be enclosed in inner core therein;The sealing shell It is made up of negative thermal expansion material;The inner core includes thermal store, and the thermal store is made up of heat accumulating;
Wherein, volume of the thermal store when the volume during absorbing heat is less than or equal to the sealing shell in pyrocondensation.
2. negative expansion microballoon according to claim 1, it is characterised in that the heat accumulating is solid-liquid phase change heat accumulation Material.
3. negative expansion microballoon according to claim 2, it is characterised in that the inner core is made up of the heat accumulating; There is space between the inner core and the sealing shell.
4. negative expansion microballoon according to claim 2, it is characterised in that the inner core also includes inclusion enclave, the bag The material for wrapping up in body is the material with porous network structure;
The thermal store is adsorbed in the partially porous property network structure of the inclusion enclave;The inclusion enclave is full of outside the sealing Shell.
5. negative expansion microballoon according to claim 4, it is characterised in that the material with porous network structure Porous graphite including expanded treatment.
6. a kind of preparation method of negative expansion microballoon, it is characterised in that including:
The inner core that formation is at least made up of thermal store, the thermal store is made up of heat accumulating;
The inner core is enclosed in sealing shell;The sealing shell is made up of negative thermal expansion material;
Wherein, volume of the thermal store when the volume during absorbing heat is less than or equal to the sealing shell in pyrocondensation.
7. preparation method according to claim 6, it is characterised in that the heat accumulating is solid-liquid phase change heat accumulating;
The negative expansion microballoon is formed, is specifically included:
The inner core that formation is made up of heat accumulating, and the sealing shell is coated in the interior core outer surface, make outside the sealing The inner surface of shell is contacted with the outer surface of the inner core;
The part inner core is dissolved using solvent, makes that there is space between the inner core and the sealing shell.
8. preparation method according to claim 6, it is characterised in that the heat accumulating is solid-liquid phase change heat accumulating;
The negative expansion microballoon is formed, is specifically included:
The heat accumulating is heated, the heat accumulating is mutually changed into liquid, by the heat accumulating of liquid and with many The material blending absorption of permeability network structure, and filter, dry, it is made inner core;The inner core is by with porous network structure The inclusion enclave of material and the thermal store of heat accumulating constitute, the thermal store is adsorbed in the partially porous of the inclusion enclave In property network structure;
The sealing shell is coated in the parcel external surface, makes the inner surface of the sealing shell outer with the inclusion enclave Surface contacts.
9. a kind of liquid crystal display panel, including array base palte, to box substrate and frame glue therebetween and liquid crystal are arranged at Layer;Characterized in that, also including being arranged at the surface that the array base palte is contacted with the liquid crystal layer, and/or it is arranged at described The regulating course on the surface contacted with the liquid crystal layer to box substrate;The regulating course is included described in claim any one of 1-5 Negative expansion microballoon;
Wherein, the regulating course is arranged at the non-display area within the lightproof part of viewing area and the frame glue.
10. liquid crystal display panel according to claim 9, it is characterised in that the regulating course include transparent photomask glue with And uniformly it is mixed in the negative expansion microballoon in the transparent photomask glue.
CN201710085118.2A 2017-02-16 2017-02-16 Negative thermal expansion microsphere, preparation method thereof and liquid crystal display panel Active CN106773220B (en)

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Application Number Priority Date Filing Date Title
CN201710085118.2A CN106773220B (en) 2017-02-16 2017-02-16 Negative thermal expansion microsphere, preparation method thereof and liquid crystal display panel

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Application Number Priority Date Filing Date Title
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CN116540453B (en) * 2023-03-30 2024-06-14 惠科股份有限公司 Liquid crystal display panel having a light shielding layer

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