CN105572948A - High-temperature high-humidity liquid crystal display device and manufacturing method thereof - Google Patents
High-temperature high-humidity liquid crystal display device and manufacturing method thereof Download PDFInfo
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- CN105572948A CN105572948A CN201610169735.6A CN201610169735A CN105572948A CN 105572948 A CN105572948 A CN 105572948A CN 201610169735 A CN201610169735 A CN 201610169735A CN 105572948 A CN105572948 A CN 105572948A
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- liquid crystal
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- outer rim
- film
- polyvinyl alcohol
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 186
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 171
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 141
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 141
- 229940124543 ultraviolet light absorber Drugs 0.000 claims abstract description 24
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 24
- 238000004043 dyeing Methods 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 210000002858 crystal cell Anatomy 0.000 claims description 92
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 53
- 239000010410 layer Substances 0.000 claims description 52
- 229920003023 plastic Polymers 0.000 claims description 44
- 239000004033 plastic Substances 0.000 claims description 44
- 239000002274 desiccant Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 5
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 abstract 2
- 229920006255 plastic film Polymers 0.000 abstract 2
- 239000010408 film Substances 0.000 description 297
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 119
- 239000000463 material Substances 0.000 description 13
- 239000000975 dye Substances 0.000 description 12
- 239000003365 glass fiber Substances 0.000 description 10
- 229920000058 polyacrylate Polymers 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000010415 tropism Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000662429 Fenerbahce Species 0.000 description 1
- 101000642345 Homo sapiens Sperm-associated antigen 16 protein Proteins 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 102100036373 Sperm-associated antigen 16 protein Human genes 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical class [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 230000005274 electronic transitions Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Classifications
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133311—Environmental protection, e.g. against dust or humidity
Abstract
The invention discloses a high-temperature high-humidity liquid crystal display device and a manufacturing method thereof. The display device comprises a first plastic film containing an ultraviolet light absorber, a first glass film arranged below the first plastic film, a liquid crystal box arranged below the first glass film, a first outer frame arranged between the first glass film and the liquid crystal box, a first inner frame arranged in a first sealed space and a first polyvinyl alcohol film subjected to dyeing treatment, wherein the first outer frame is positioned at the edges of the first glass film and the liquid crystal box, and form the first sealed space together with the first glass film and the liquid crystal box; and the first inner frame is arranged at the inner periphery of the first outer frame, and is provided with multiple first spacer blocks distributed at intervals to form a frame-shaped structure. The high-temperature high-humidity liquid crystal display device is applicable to a high-temperature high-humidity environment, and the service life and display performance of the liquid crystal display device can be ensured when the liquid crystal display device operates at the high-temperature high-humidity environment.
Description
Technical field
The invention belongs to technical field of liquid crystal display, be specially a kind of hot and humid Liquid crystal disply device and its preparation method.
Background technology
In portable display apparatus, liquid crystal indicator, Organic Light Emitting Diode (OLED, OrganicLightEmittingDiode) display device and display device of electronic paper three major types occupy main flow gradually.Wherein, liquid crystal indicator occupies the maximum market share with outstanding cost advantage, good display performance; OLED display by outstanding display performance, be easy to flexible and make, lightweight and that thickness is thin advantage expands the market share gradually; Display device of electronic paper be easy to low cost flexibility make, passive luminescence and not refresh picture display power consumption be zero peculiar advantage in the field of alternative paper, play irreplaceable effect.Although in display device such as some specific areas VFD and PDP still in use, exit situation obvious.Although display device is of a great variety, performance is more and more higher, particularly the aspect such as picture quality, power consumption, portability and display life all obtains rapid progress, but the storage of various display and display environment condition still restricted, particularly can only meet 90 DEG C × 95%RH under hot and humid condition, under the condition not having cooling device, active liquid crystal display device can reach the working temperature of 85 DEG C × 95%RH and the storing temperature of nearly 90 DEG C × 95%RH; The working temperature of passive liquid crystal display device and storage temperature all can reach 100 DEG C × 95%RH, but the life-span significantly shortens, and higher temperature is difficult to realize.Along with display device applications field is widened, mankind's activity Space Expanding, the application of various unmanned machine, the demand of 100 DEG C × more than 95%RH is in increase, the bottleneck of display device occurs, the work and the storage problem that therefore solve the display device under hot and humid environment have important realistic meaning.Under 60 DEG C × 95%RH condition, the degradation speed of display device is obviously accelerated; For OLED display, the electronic transition mechanism of active illuminating display device, causes material aging to accelerate; In liquid crystal indicator, the stability of liquid crystal material and polarizing materials is the key factor affecting the life-span, in more than 100 year that finds liquid crystal material, after particularly widely using as display material, immediate and mid-term, the stability of liquid crystal material obtains significant progress, in the liquid crystal cell be closed, for hot and humid environment, there is certain tolerance, its phase inversion temperature wide ranges during display, hot and humid environment can have been adapted to by adjustment blending constituent ratio; The structure of biphenyl class, cyclohexylbenzene class liquid crystal material is very abundant, mixed liquid crystal is formed by these materials, clearing point temperature can reach 120 ~ 130 DEG C, and still can meet display requirement in the viscosity of-30 DEG C of liquid crystal materials, has the operating temperature range of non-constant width.
The basic structure of polaroid is that two-layer cellulose triacetate thin film (TAC, Tri-AcetylCellulose) presss from both sides layer of polyethylene alcohol (PVA, polyvinylalcohol) film; Say from manufacturing process; uniaxial extension does after polyvinyl alcohol film dyeing in polaroid Qian Dao manufacturing process; fit again after forming light polarizing film; upper and lower Ge Jia covers one deck TAC film; and add again outside the TAC film of upper strata and cover a surface protection film, separately outside lower floor TAC film, to attach after release film or reflectance coating coating surface diaphragm again with optics sticker.Colouring method in polaroid production technology has iodine staining and dyes color method two kinds of techniques, wherein, iodine staining refers to and to dye at polaroid, in drawing process, iodine and potassium iodide is used to make PVA film polarization polarized light property as two tropism's media, the advantage of this colouring method is the polarized light property than the high degree of polarization and more than 42% high permeability being easier to acquisition more than 99.9%, so polarizing materials product in early days or need high polarisation, mostly iodine staining technique is all adopted to process in the polarizing materials product of high transmission characteristic, but the weak point of this technique is because the molecular structure of iodine is easy to destroy under hot and humid condition, therefore use the polaroid permanance of iodine staining explained hereafter poor, be applicable to the condition of work of 60 DEG C × below 90%RH, the polaroid product utilizing two tropism's dyestuffs to carry out polaroid dyeing to produce, the highest request for utilization that can meet the condition of work of 90 DEG C × below 95%RH at present.
Dye solution crystal formation display device without polaroid can produce the liquid crystal indicator of high-temp resisting high-humidity resisting, can be used in the environmental baseline of 100 DEG C × 95%RH; The dye-type liquid crystal indicator of high-temp resisting high-humidity resisting, its shortcoming is that contrast is low, even if absorb the double-deck dye liquid crystal box structure of direction intersection, usually also only has the contrast of 4 ~ 6; In mankind nowadays visual custom, this contrast cannot meet request for utilization.In addition, the dichroic dye in dye liquid crystal, exists because purity requirement is high, with the compatibility requirements of liquid crystal and limit and requirement that dichromatism is large, suitable kind of dyes is fewer, and during actual manufacture, purification is very difficult, and cost is also very high.
Summary of the invention
The present invention is directed in hot and humid environment, the parasitic problems that the liquid crystal indicator lost of life or Presentation Function are lost, and develop a kind of hot and humid Liquid crystal disply device and its preparation method.
Technological means of the present invention is as follows:
A kind of hot and humid liquid crystal indicator, comprising:
The first plastic sheeting containing ultraviolet light absorber;
Be arranged at the first glass film below described first plastic sheeting; Described first glass film upper surface is relative with described first plastic sheeting lower surface to be connected;
Be arranged at the liquid crystal cell below described first glass film;
Be arranged at the first outer rim between described first glass film and described liquid crystal cell; Described first outer rim is positioned at the marginal position of the first glass film and liquid crystal cell, forms the first enclosure space with the first glass film and liquid crystal cell;
Be placed in described first enclosure space first in frame and through dyeing process the first polyvinyl alcohol film; In described first, frame is laid in described first outer rim and encloses, and has the first spacer block of multiple formation frame-shaped structure spaced apart; Described first polyvinyl alcohol film upper surface connects described first glass film lower surface, and lower surface connects described liquid crystal cell, and side connects frame in described first;
Further, described first glass film upper surface is connected by pressure-sensitive adhesive layer with described first plastic sheeting lower surface; Described first polyvinyl alcohol film upper surface connects described first glass film lower surface by pressure-sensitive adhesive layer; Described first polyvinyl alcohol film lower surface connects described liquid crystal cell by pressure-sensitive adhesive layer;
In addition, described display device also comprises the first drying agent be positioned in the first outer rim and first between frame;
Further, described liquid crystal cell has double glazing substrate; Described device also comprises:
Be placed in the second glass film below described liquid crystal cell;
Be arranged at the second plastic sheeting below described second glass film; Described second plastic sheeting contains ultraviolet light absorber, and upper surface connects described second glass film lower surface;
Be arranged at the second outer rim between described liquid crystal cell and described second glass film; Described second outer rim is positioned at the marginal position of liquid crystal cell and the second glass film, forms the second enclosure space with liquid crystal cell and the second glass film;
Be placed in described second enclosure space second in frame and through dyeing process the second polyvinyl alcohol film; In described second, frame is laid in described second outer rim and encloses, and has the second spacer block of multiple formation frame-shaped structure spaced apart; Described second polyvinyl alcohol film upper surface connects described liquid crystal cell, and lower surface connects described second glass film, and side connects frame in described second;
Further, described second glass film upper surface is connected by pressure-sensitive adhesive layer with described second polyvinyl alcohol film lower surface; Described second polyvinyl alcohol film upper surface connects described liquid crystal cell by pressure-sensitive adhesive layer; Described second glass film lower surface is connected by pressure-sensitive adhesive layer with described second plastic sheeting upper surface;
Further, described display device also comprises the second drying agent be positioned in the second outer rim and second between frame;
Further, described liquid crystal cell one side connects the first polyvinyl alcohol film, and another side is reverberator;
Further, the cleaning point of described liquid crystal cell is at least high than the storing temperature of described liquid crystal indicator 10 DEG C; In described first outer rim, first, in frame, the second outer rim and second, frame fibreglass and epoxy resin mix according to constant weight percentage;
Further, described first glass film thickness, described second glass film thickness are all less than or equal to 200 μm; Described constant weight percentage is 1:99 ~ 50:50; In described first outer rim, first, the height of frame is 10 ~ 100 μm, and is less than or equal to the thickness sum of the first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer; In second outer rim and second, the height of frame is 10 ~ 100 μm, and is less than or equal to the thickness sum of the second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer; Described first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer are full of the inner space of frame in described first; Described second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer are full of the inner space of frame in described second; In described first outer rim, first, in frame, the second outer rim and second, the body width of frame is 200 ~ 500 μm; Distance in described first outer rim and first between frame is 0.1 ~ 1.5mm; Distance in described second outer rim and second between frame is 0.1 ~ 1.5mm.
A manufacture method for hot and humid liquid crystal indicator, for the manufacture of the hot and humid liquid crystal indicator of one described above, and comprises the steps:
Cleaning liquid crystal cell;
According to the order of the first glass film, the first polyvinyl alcohol film and the first release film or the sequentially pass through pressure-sensitive adhesive layer contrary with this order, three parts are complex as a whole successively; According to the order of the second glass film, the second polyvinyl alcohol film and the second release film or the sequentially pass through pressure-sensitive adhesive layer contrary with this order, three parts are complex as a whole successively;
Cut is carried out to the first polyvinyl alcohol film and the first release film, make the edge of the edge of the first polyvinyl alcohol film and the first release film all and in first outside frame between be separated by 100 ~ 500 μm; Cut is carried out to the second polyvinyl alcohol film and the second release film, make the edge of the edge of the second polyvinyl alcohol film and the second release film all and in second outside frame between be separated by 100 ~ 500 μm;
First glass film and the second glass film are cut, makes to be separated by 200 ~ 500 μm outside the first outer rim and between the edge of the first glass film, be separated by outside the second outer rim and between the edge of the second glass film 200 ~ 500 μm;
Frame in frame in the first outer rim, first, the second outer rim and second is printed according to respective precalculated position respectively in liquid crystal cell upper and lower surface;
In the first outer rim and first, place the first drying agent between frame, in the second outer rim and second, place the second drying agent between frame;
Take the first release film off, and in vacuum environment, side liquid crystal cell with frame in the first outer rim and first is covered in the complex contraposition of the first glass film and the first polyvinyl alcohol film, then flatten pressing; Take the second release film off, and in vacuum environment, side liquid crystal cell with frame in the second outer rim and second is covered in the complex contraposition of the second glass film and the second polyvinyl alcohol film, then flatten pressing;
Frame in frame, the second outer rim and second in first outer rim, first is heated or adopts UV-irradiation;
Attach the first plastic sheeting containing ultraviolet light absorber at the first glass film upper surface, attach the second plastic sheeting containing ultraviolet light absorber at the second glass film lower surface.
Owing to have employed technique scheme, the hot and humid Liquid crystal disply device and its preparation method of one provided by the invention, described liquid crystal indicator can be applicable to hot and humid environment, and be operated under hot and humid environment, serviceable life and the display performance of liquid crystal indicator can be ensured.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid crystal indicator of the present invention;
Fig. 2 is the structural representation of frame in the present invention first outer rim and first;
Fig. 3 is the structural representation of frame and the first polyvinyl alcohol film in the present invention first outer rim, first;
Fig. 4 is the process flow diagram of manufacture method of the present invention.
In figure: 1, the first plastic sheeting, the 2, first glass film, 3, liquid crystal cell, 4, the first outer rim, the 5, first enclosure space, frame in 6, first, 7, the first polyvinyl alcohol film, the 9, first drying agent, the 10, second glass film, 11, the second plastic sheeting, the 12, second outer rim, frame in 14, second, 15, the second drying agent, 16, pressure-sensitive adhesive layer, the 17, second polyvinyl alcohol film, the 61, first spacer block.
Embodiment
The hot and humid liquid crystal indicator of one as shown in Figure 1, Figure 2 and Figure 3, comprising: the first plastic sheeting 1 containing ultraviolet light absorber, be arranged at the first glass film 2 below described first plastic sheeting 1, described first glass film 2 upper surface is relative with described first plastic sheeting 1 lower surface to be connected, be arranged at the liquid crystal cell 3 below described first glass film 2, be arranged at the first outer rim 4 between described first glass film 2 and described liquid crystal cell 3, described first outer rim 4 is positioned at the marginal position of the first glass film 2 and liquid crystal cell 3, forms the first enclosure space 5 with the first glass film 2 and liquid crystal cell 3, be placed in described first enclosure space 5 first in frame 6 and through dyeing process the first polyvinyl alcohol film 7, in described first, frame 6 is laid in described first outer rim 4 and encloses, and has the first spacer block 61 of multiple formation frame-shaped structure spaced apart, described first polyvinyl alcohol film 7 upper surface connects described first glass film 2 lower surface, and lower surface connects described liquid crystal cell 3, and side connects frame 6 in described first, further, described first glass film 2 upper surface is connected by pressure-sensitive adhesive layer 16 with described first plastic sheeting 1 lower surface, described first polyvinyl alcohol film 7 upper surface connects described first glass film 2 lower surface by pressure-sensitive adhesive layer 16, described first polyvinyl alcohol film 7 lower surface connects described liquid crystal cell 3 by pressure-sensitive adhesive layer 16, in addition, described display device also comprises the first drying agent 9 be positioned in the first outer rim 4 and first between frame 6, further, described liquid crystal cell 3 has double glazing substrate, described device also comprises: be placed in the second glass film 10 below described liquid crystal cell 3, be arranged at the second plastic sheeting 11 below described second glass film 10, described second plastic sheeting 11 is containing ultraviolet light absorber, and upper surface connects described second glass film 10 lower surface, be arranged at the second outer rim 12 between described liquid crystal cell 3 and described second glass film 10, described second outer rim 12 is positioned at the marginal position of liquid crystal cell 3 and the second glass film 10, forms the second enclosure space with liquid crystal cell 3 and the second glass film 10, be placed in described second enclosure space second in frame 14 and through dyeing process the second polyvinyl alcohol film 17, in described second, frame 14 is laid in described second outer rim 12 and encloses, and has the second spacer block of multiple formation frame-shaped structure spaced apart, described second polyvinyl alcohol film 17 upper surface connects described liquid crystal cell 3, and lower surface connects described second glass film 10, and side connects frame 14 in described second, further, described second glass film 10 upper surface is connected by pressure-sensitive adhesive layer 16 with described second polyvinyl alcohol film 17 lower surface, described second polyvinyl alcohol film 17 upper surface connects described liquid crystal cell 3 by pressure-sensitive adhesive layer 16, described second glass film 10 lower surface is connected by pressure-sensitive adhesive layer 16 with described second plastic sheeting 11 upper surface, further, described display device also comprises the second drying agent 15 be positioned in the second outer rim 12 and second between frame 14, further, described liquid crystal cell 3 one side connects the first polyvinyl alcohol film 7, and another side is reverberator, further, the cleaning point of described liquid crystal cell 3 is at least high than the storing temperature of described liquid crystal indicator 10 DEG C, in described first outer rim 4, first, in frame 6, second outer rim 12 and second, frame 14 fibreglass and epoxy resin mix according to constant weight percentage, further, described first glass film 2 thickness, described second glass film 10 thickness are all less than or equal to 200 μm, described constant weight percentage is 1:99 ~ 50:50, in described first outer rim 4, first, the height of frame 6 is 10 ~ 100 μm, and is less than or equal to the thickness sum of the first polyvinyl alcohol film 7 and its both sides pressure-sensitive adhesive layer 16, in second outer rim 12 and second, the height of frame 14 is 10 ~ 100 μm, and is less than or equal to the thickness sum of the second polyvinyl alcohol film 17 and its both sides pressure-sensitive adhesive layer 16, described first polyvinyl alcohol film 7 and its both sides pressure-sensitive adhesive layer 16 are full of the inner space of frame 6 in described first, described second polyvinyl alcohol film 17 and its both sides pressure-sensitive adhesive layer 16 are full of the inner space of frame 14 in described second, in described first outer rim 4, first, in frame 6, second outer rim 12 and second, the body width of frame 14 is 200 ~ 500 μm, distance in described first outer rim 4 and first between frame 6 is 0.1 ~ 1.5mm, distance in described second outer rim 12 and second between frame 14 is 0.1 ~ 1.5mm, wherein, Fig. 2 illustrates the structural representation of frame 6 in the present invention first outer rim 4 and first, Fig. 3 shows the present invention first outer rim 4, the structural representation of frame 6 and the first polyvinyl alcohol film 7 in first, wherein figure 2 show the concrete laying example of frame 6 in the first outer rim 4 and first, Fig. 3 shows the concrete laying example in the inner space of the first polyvinyl alcohol film 7 frame 6 in first, second outer rim 12, the concrete laying example of frame 14 and the second polyvinyl alcohol film 17 and Fig. 2 in second, Fig. 3 is similar, second enclosure space and the second spacer block not shown in the accompanying drawings, itself and Fig. 2, the first enclosure space 5 shown in Fig. 3 is identical with the structure of the first spacer block 61, just symmetrical along liquid crystal cell about 3.
The manufacture method of a kind of hot and humid liquid crystal indicator as shown in Figure 4, for the manufacture of the hot and humid liquid crystal indicator of one described above, and comprises the steps:
Cleaning liquid crystal cell 3;
According to the order of the first glass film 2, first polyvinyl alcohol film 7 and the first release film or the sequentially pass through pressure-sensitive adhesive layer 16 contrary with this order, three parts are complex as a whole successively; According to the order of the second glass film 10, second polyvinyl alcohol film 17 and the second release film or the sequentially pass through pressure-sensitive adhesive layer 16 contrary with this order, three parts are complex as a whole successively;
Cut is carried out to the first polyvinyl alcohol film 7 and the first release film, make the edge of the edge of the first polyvinyl alcohol film 7 and the first release film all and in first outside frame 6 between be separated by 100 ~ 500 μm; Cut is carried out to the second polyvinyl alcohol film 17 and the second release film, make the edge of the edge of the second polyvinyl alcohol film 17 and the second release film all and in second outside frame 14 between be separated by 100 ~ 500 μm;
First glass film 2 and the second glass film 10 are cut, makes to be separated by 200 ~ 500 μm outside the first outer rim 4 and between the edge of the first glass film 2, outside the second outer rim 12 and between the edge of the second glass film 10, be separated by 200 ~ 500 μm;
Frame 14 in frame 6, second outer rim 12 and second is printed in the first outer rim 4, first according to respective precalculated position respectively in liquid crystal cell 3 upper and lower surface;
In the first outer rim 4 and first, place the first drying agent 9 between frame 6, in the second outer rim 12 and second, place the second drying agent 15 between frame 14;
Take the first release film off, and the complex contraposition of the first glass film 2 and the first polyvinyl alcohol film 7 is covered side liquid crystal cell 3 with frame 6 in the first outer rim 4 and first in vacuum environment, then flatten pressing; Take the second release film off, and the complex contraposition of the second glass film 10 and the second polyvinyl alcohol film 17 is covered side liquid crystal cell 3 with frame 14 in the second outer rim 12 and second in vacuum environment, then flatten pressing;
Frame 14 in frame 6, second outer rim in first outer rim 4, first 12 and second is heated or adopts UV-irradiation;
Attach the first plastic sheeting 1 containing ultraviolet light absorber at the first glass film 2 upper surface, attach the second plastic sheeting 11 containing ultraviolet light absorber at the second glass film 10 lower surface.
Liquid crystal cell 3 of the present invention is passive liquid crystal cell 3 or passive liquid crystal cell 3; When forming enclosure space, active liquid crystal box 3 and the main difference of passive liquid crystal cell 3 are the resolutions of pixel, and active liquid crystal box 3 selects the glass film of tens of micrometers thick to be advisable; Successively according to the order of the first glass film 2, first polyvinyl alcohol film 7 and the first release film, or according to the pressure-sensitive adhesive layer 16 that sequentially passes through of the first release film, the first polyvinyl alcohol film 7 and the first glass film 2, three parts are complex as a whole; Successively according to the order of the second glass film 10, second polyvinyl alcohol film 17 and the second release film, or according to the pressure-sensitive adhesive layer 16 that sequentially passes through of the second release film, the second polyvinyl alcohol film 17 and the second glass film 10, three parts are complex as a whole; Acting as of first release film is protected the first polyvinyl alcohol film 7 through dyeing process, and improves the homogeneity of the first polyvinyl alcohol film 7 and the first glass film 2 compound, and the effect of the second release film is similar; In described first outer rim 4, first, in frame 6, second outer rim 12 and second, frame 14 has certain gas barrier properties that blocks water; First drying agent 9 is positioned in the first outer rim 4 and first between frame 6, and the second drying agent 15 to be positioned in the second outer rim 12 and second between frame 14; First drying agent 9, second drying agent 15 can be block, powder or packed, due in the first outer rim 4 and first between frame 6 and are all accommodation spaces between frame 14 in the second outer rim 12 and second, even if the first drying agent 9 or the second drying agent 15 are diffused out by this accommodation space, because the first polyvinyl alcohol film 7 and the first glass film 2 are combined closely, second polyvinyl alcohol film 17 and the second glass film 10 are combined closely, and can prevent the first drying agent 9 or the second drying agent 15 from entering viewing area; First outer rim 4 and the second outer rim 12 are the frame-shaped structures closed continuously, can ensure that water vapor does not enter into the first enclosure space 5 or the second enclosure space, in described first, frame 6 has the first spacer block 61 of multiple formation frame-shaped structure spaced apart, ensure the first space, polyvinyl alcohol film 7 place, be communicated with the space in the first outer rim 4 and first between frame 6, and ensure the first drying agent 9 indiffusion; In described second, frame 14 has the second spacer block of multiple formation frame-shaped structure spaced apart, ensures the second space, polyvinyl alcohol film 17 place, is communicated with the space in the second outer rim 12 and second between frame 14, and ensures the second drying agent 15 indiffusion.
The present invention is according to the requirement of different liquid crystal indicator, for reflection-type liquid-crystal display device, the first plastic sheeting 1 containing ultraviolet light absorber is laid with above liquid level box, first glass film 2, first polyvinyl alcohol film 7, frame 6 in first outer rim 4 and first, below is laid with the second plastic sheeting 11 containing ultraviolet light absorber, second glass film 10, second polyvinyl alcohol film 17, second outer rim 12, frame 14 and reverberator in second, in reflection-type liquid-crystal display device, by design liquid crystal cell 3 structure, also the first plastic sheeting 1 containing ultraviolet light absorber can be laid with above liquid level box, first glass film 2, first polyvinyl alcohol film 7, frame 6 in first outer rim 4 and first, only reverberator is laid below liquid crystal cell 3, for half-reflection and half-transmission type liquid crystal indicator, be laid with frame 6 in the first plastic sheeting 1, first glass film 2, first polyvinyl alcohol film 7, first outer rim 4 and first containing ultraviolet light absorber above liquid crystal cell 3, below is laid with frame 14 and half-reflection and half-transmission device in the second plastic sheeting 11, second glass film 10, second polyvinyl alcohol film 17, second outer rim 12, second containing ultraviolet light absorber.
First glass film 2 thickness of the present invention, described second glass film 10 thickness is all less than or equal to 200 μm, the thickness of the first glass film 2 or the second glass film 10 is thinner, cost is higher, the thickness of the first glass film 2 or the second glass film 10 is thicker, the internal reflection of liquid crystal indicator can impact image quality, when the resolution of liquid crystal indicator is greater than 200ppi, the thickness of the first glass film 2 and the second glass film 10 all should be less than 100 μm, for segment encode class liquid crystal indicator, the thickness of the first glass film 2 or the second glass film 10 has no significant effect visual effect, when less demanding to the gross thickness of liquid crystal indicator, it is also passable that first glass film 2 and the second glass film 10 change the slightly thick glass substrate of thickness into.In first outer rim 4, first of the present invention, the height of frame 6 is 10 ~ 100 μm, and is less than or equal to the thickness sum of the first polyvinyl alcohol film 7 and its both sides pressure-sensitive adhesive layer 16; In second outer rim 12 and second, the height of frame 14 is 10 ~ 100 μm, and is less than or equal to the thickness sum of the second polyvinyl alcohol film 17 and its both sides pressure-sensitive adhesive layer 16; Described first polyvinyl alcohol film 7 and its both sides pressure-sensitive adhesive layer 16 are full of the inner space of frame 6 in first; Described second polyvinyl alcohol film 17 and its both sides pressure-sensitive adhesive layer 16 are full of the inner space of frame 14 in described second; In first frame 6 inner space and second in frame 14 inner space in, do not consider gas expansion factor, the first polyvinyl alcohol film 7 and the second polyvinyl alcohol film 17 that process through dyeing and pressure-sensitive adhesive layer 16, under the temperature conditions of 100 ~ 120 DEG C, the volume after expansion can not produce obvious distortion to the first glass film 2, second glass film 10 and liquid crystal cell 3;
In described first outer rim 4, first, in frame 6, second outer rim 12 and second, the body width of frame 14 is 200 ~ 500 μm; Here body width refers to the section bar width making frame 14 in frame 6, second outer rim in described first outer rim 4, first 12 and second, particularly, refers to the width of arbitrary side of frame; The minimum restricted width of body of the first outer rim 4 and the second outer rim 12 in gas barrier properties, in first in frame 6 and second the minimum restricted width of body of frame 14 in the liquid crystal indicator ken; Interval between interval between adjacent first spacer block 61, adjacent second spacer block does not have concrete dimensional requirement, according to the type set of drying agent; Distance in described first outer rim 4 and first between frame 6 is 0.1 ~ 1.5mm, distance in described second outer rim 12 and second between frame 14 is 0.1 ~ 1.5mm, and then the first drying agent 9 placed and/or the amount of the second drying agent 15, can the display performance of each sized liquid crystal display device of Reliable guarantee under hot and humid condition; Distance in distance in described first outer rim 4 and first between frame 6, described second outer rim 12 and second between frame 14 determines the amount that drying agent is placed, and the area of liquid crystal indicator is larger, and the range of choice of above-mentioned distance is wider; In described first outer rim 4, first, in frame 6, second outer rim 12 and second, frame 14 fibreglass and epoxy resin mix according to constant weight percentage, making in the first outer rim 4, first frame 14 in frame 6, second outer rim 12 and second possess certain gas barrier property water preventing ability, the first drying agent 9 and the second drying agent 15 can be placed for improving the life-span further; The cleaning point of described liquid crystal cell 3 is at least high than the storing temperature of described liquid crystal indicator 10 DEG C; The cleaning point appreciable impact liquid crystal characteristic of liquid crystal cell 3, particularly to birefraction and viscosity influence larger, meeting under high temperature display requirement condition, cleaning point is unsuitable too high, the liquid crystal of too high cleaning point, low temperature display performance can be reduced, and then for keeping same low temperature display performance to improve the cost of liquid crystal material.
In first outer rim 4, first of the present invention, in frame 6, second outer rim 12 and second, frame 14 fibreglass and epoxy resin mix according to constant weight percentage, and described constant weight percentage is 1:99 ~ 50:50; The glass fibre of suitable density can keep thickness evenly can improve choke water preventing ability again, and rule of thumb, the percentage by weight of glass fibre and epoxy resin is can keep good printing and cohesiveness within the scope of 1:99 ~ 50:50; The choke water preventing ability of usual epoxy resin is lower than glass, therefore the diameter of glass fibre is close to the polyvinyl alcohol film thickness through dyeing process, be coated on the pressure-sensitive adhesive layer 16 of the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17 both sides, the choke water preventing ability being conducive to frame 14 in frame 6, second outer rim in the first outer rim 4, first 12 and second improves, and epoxy resin can be UV curing type also can be thermohardening type;
The present invention is at the first plastic sheeting 1, in the recombination process of the first glass film 2 and the first polyvinyl alcohol film 7, or at the second plastic sheeting 11, in the recombination process of the second glass film 10 and the second polyvinyl alcohol film 17, should be noted that the adjustment cohesive force of pressure sensitive adhesive and the thickness of pressure sensitive adhesive, the thickness of pressure-sensitive adhesive layer 16 can be less than or equal to 20 μm, the pressure-sensitive adhesive layer 16 of the attaching on the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17, in the inner space and second that can not only adjust frame 6 in first frame 14 inner space in filling material, and first outer rim 4, frame 6 in first, second outer rim 12, matched relation in second between frame 14, and make the first polyvinyl alcohol film 7 at the glass substrate of bonding first glass film 2 and liquid crystal cell 3, second polyvinyl alcohol film 17 is at the glass substrate of bonding second glass film 10 and liquid crystal cell 3, gap can not be produced, reduce internal reflection, to consider in the first outer rim 4, first that in frame 6, second outer rim 12 and second, frame 14 is in process, the width after solidification is greater than printing width, with prevent frame and polyvinyl alcohol film excessive overlapping, affect the outward appearance of liquid crystal indicator, when first glass film 2 and the second glass film 10 are cut, the mechanical cutting method of laser cutting method or adamas break bar can be adopted realize, when the thickness of the first glass film 2 or the second glass film 10 is less than 100 μm, suggestion uses laser cutting method, the precalculated position of printing frame 14 in frame in the first outer rim 4, second outer rim 12, first 6 and second determines primarily of the ken of liquid crystal indicator and size, usually all near the edge of liquid crystal cell 3, keeps a safe distance with ken outer rim, the present invention is in vacuum environment, the complex contraposition of the first glass film 2 and the first polyvinyl alcohol film 7 is covered side liquid crystal cell 3 with frame 6 in the first outer rim 4 and first, the complex contraposition of the second glass film 10 and the second polyvinyl alcohol film 17 is covered side liquid crystal cell 3 with frame 14 in the second outer rim 12 and second, for making the least possible residuary water molecule and oxygen molecule in the first enclosure space 5 and the second enclosure space, extend the dye molecule life-span in the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17, vacuum abutted and encapsulation is very necessary, laminating under vacuum state and encapsulation can also make the polyvinyl alcohol film flatness of dyeing very high, and then form homogeneous coverage effect with the glass substrate of liquid crystal cell 3.Thickness after first polyvinyl alcohol film 7 of dyeing or the second polyvinyl alcohol film 17 stretch is in the scope of 10 ~ 50 μm, and self soft easily wrinkle, can overcome laminating and produce defect under vacuum state; Vacuum abutted and encapsulation after, need to carry out leveling stitching operation, this operation can have multiple processing mode, as parallel hot plate pressuring method, air bag hot plate pressuring method, the pressure applied is main relevant with the active volume of frame 14 in frame 6 and second in the first outer rim 4, second outer rim 12, first, to guarantee after pressing that glass fibre in frame in the first outer rim 4, second outer rim 12, first 6 and second in frame 14 is in same plane, produces uniform height; Heating frame 14 in frame 6, second outer rim in the first outer rim 4, first 12 and second or adopt UV-irradiation, only should be noted the luminous flux of heating-up temperature or ultraviolet irradiation, as carried out ultraviolet irradiation, needing to carry out in both sides.
Application example below in conjunction with liquid crystal indicator provides two kinds of representative liquid crystal indicators being applicable to hot and humid environment, be respectively segmentation TN type liquid crystal indicator, a TN type TFT liquid crystal indicator, balanced consideration cost, thickness, on the impact of liquid crystal indicator high-temp resisting high-humidity resisting performance parameter, provide explanation below respectively:
For a segmentation TN liquid crystal indicator, wherein, the first plastic sheeting 1 and the second plastic sheeting 11 adopt the PET film containing ultraviolet light absorber, and the thickness of this PET film is 50 μm; First glass film 2 and the second glass film 10 adopt thickness to be the commercial TN glass film of 200 μm; First polyvinyl alcohol film 7 and the second polyvinyl alcohol film 17 adopt the polyvinyl alcohol film through dichroic dye dyeing, and thickness is 20 μm; Before and after liquid crystal cell 3 adopts, double glazing substrate is the TN type liquid crystal cell 3 of 0.55mm; Pressure-sensitive adhesive layer 16 adopts polyacrylate pressure-sensitive; The ken size of segment liquid crystal box 3 is 80mmx75mm, minimum glass physical dimension 83x78mm, and box is thick is 7.5 μm, the interval insulant model of viewing area is SP2075, the interval insulant of frame is Si-H2078, and liquid crystal material is 8L1055600 series, has the clearing point temperature higher than 120 DEG C; The liquid crystal cell 3 that the liquid crystal of 8L1055600 series is made meets the environment temperature of 110 DEG C, and low temperature also can arrive-30 DEG C; In first outer rim 4, second outer rim 12, first, in frame 6 and second, frame 14 is made up of the thermosetting epoxy resin XN-5A of Mitsui Chemicals and the PF40 mixture of glass fibers of NEG, frame height is about 40 μm, equals thickness (20 μm) and its both sides pressure-sensitive adhesive layer 16 thickness (10 μm+10 μm) sum of the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17; The weight percent of described epoxy resin and glass fibre is 10:90; First outer rim 4 and the second outer rim 12 are of a size of 82.5x77.5mm; In first outer rim 4, second outer rim 12, first, in frame 6 and second, the body width of frame 14 is 300 μm respectively; Distance in distance in described first outer rim 4 and first between frame 6, described second outer rim 12 and second between frame 14 is 500 μm, middlely places the first drying agent 9 or the second drying agent 15; In first, in frame 6 and second, the size of frame 14 is all 81.7x76.7mm, is 81.1x76.1mm through the first polyvinyl alcohol film 7 of dichroic dye process or the size of the second polyvinyl alcohol film 17.
The manufacture method of above-mentioned segmentation TN liquid crystal indicator, specifically comprises:
A cleaning segmentation TN liquid crystal cell 3, so prevent that liquid crystal is residual, fingerprint and the display of other impurity effect;
Laminating is used three parts to be complex as a whole according to the order of the first glass film 2, first polyvinyl alcohol film 7 and the first release film or the polyacrylate that sequentially passes through contrary with this order successively; Laminating is used three parts to be complex as a whole according to the order of the second glass film 10, second polyvinyl alcohol film 17 and the second release film or the polyacrylate that sequentially passes through contrary with this order successively; The cohesive force of polyacrylate to the first release film or the second release film is 15gf/25mm, and be 500gf/25mm to the cohesive force of the first glass film 2 or the second glass film 10, thickness is set to 10 μm;
Carry out cut to the first polyvinyl alcohol film 7 and the first release film, carry out cut to the second polyvinyl alcohol film 17 and the second release film, the polyvinyl alcohol film after cutting and release film are of a size of 81.1x76.1mm;
Cut the first glass film 2 and the second glass film 10, the glass film after cutting is of a size of 83mmx78mm, particularly, uses diamond tool wheel cutting glass film surface, then sliver (splitting glass film);
Frame 14 in frame 6, second outer rim 12 and second is printed in the first outer rim 4, first according to respective precalculated position respectively in liquid crystal cell 3 upper and lower surface; In the first outer rim 4 and first, place the first drying agent 9 between frame 6, in the second outer rim 12 and second, place the second drying agent 15 between frame 14; The height of the first drying agent 9 or the second drying agent 15 is about 20 μm;
Take the first release film off, and the complex contraposition of the first glass film 2 and the first polyvinyl alcohol film 7 is covered side liquid crystal cell 3 with frame 6 in the first outer rim 4 and first in vacuum environment, then flatten pressing; Take the second release film off, and the complex contraposition of the second glass film 10 and the second polyvinyl alcohol film 17 is covered side liquid crystal cell 3 with frame 14 in the second outer rim 12 and second in vacuum environment, then flatten pressing; Pre-pressing pressure sets according to the actual conditions of production equipment, pressing-in temp is 120 DEG C, the single press time is 5 minutes, employing pressure is the parallel hot plate pressuring method of 0.08atm, to guarantee after pressing that glass fibre in frame 6, second outer rim in the first outer rim 4, first 12 and second in frame 14 is in same plane, produces uniform height;
The first plastic sheeting 1 containing ultraviolet light absorber is attached at the first glass film 2 upper surface, the second plastic sheeting 11 containing ultraviolet light absorber is attached at the second glass film 10 lower surface, i.e. PET film, detects after pressing and to see if there is in the first outer rim 4, first that frame 14 in frame 6, second outer rim 12 and second breaks, the defect such as irregular.
Above-mentioned segmentation TN liquid crystal indicator, can under the hot and humid environment of 110 DEG C of x90%RH the long-life normally show.
For TN type TFT liquid crystal indicator, the first plastic sheeting 1 and the second plastic sheeting 11 adopt the PET film containing compensate film and ultraviolet light absorber, and the thickness of this PET film is 100 μm; The thickness of the first glass film 2 and the second glass film 10 is 100 μm; First polyvinyl alcohol film 7 and the second polyvinyl alcohol film 17 adopt the polyvinyl alcohol film through dichroic dye dyeing; The TN type TFT liquid crystal cell 3 of double-deck 0.4mm alkali-free TFT glass substrate before and after liquid crystal cell 3 adopts and has; Pressure sensitive adhesive adopts polyacrylate pressure-sensitive; Compensate film is for improving the viewing angle characteristic of liquid crystal indicator; The ken size of TN type TFT liquid crystal cell 3 is 111mmx63mm, minimum glass physical dimension 115x68mm, box is thick is 4 μm, viewing area interval insulant model is SP2040, the interval insulant of frame is Si-H2042, liquid crystal material is highly purified 8L1055600 series, and having the clearing point temperature of 120 DEG C, be resistivity is 10 with a difference for segmentation TN liquid crystal indicator
13ohmcm; In first outer rim 4, second outer rim 12, first, in frame 6 and second, frame 14 is made up of the thermosetting epoxy resin XN-5A of Mitsui Chemicals and the PF20 mixture of glass fibers of NEG, the frame height formed is about 20 μm, equals thickness (10 μm) and its both sides pressure-sensitive adhesive layer 16 thickness (5 μm+5 μm) sum of the first polyvinyl alcohol film 7 or the second polyvinyl alcohol film 17; The weight percent of described epoxy resin and glass fibre is 10:90; First outer rim 4 and the second outer rim 12 are of a size of 114.5x67.5mm; In first outer rim 4, second outer rim 12, first, in frame 6 and second, the body width of frame 14 is 300 μm respectively; Distance in distance in described first outer rim 4 and first between frame 6, described second outer rim 12 and second between frame 14 is 500 μm, middlely places the first drying agent 9 or the second drying agent 15; In first, in frame 6 and second, the size of frame 14 is all 113.7x66.7mm, is 113.1x76.1mm through the first polyvinyl alcohol film 7 of dichroic dye process or the size of the second polyvinyl alcohol film 17.
The manufacture method of above-mentioned TN type TFT liquid crystal indicator, specifically comprises:
Cleaning TN type TFT liquid crystal cell 3, so prevent that liquid crystal is residual, fingerprint and the display of other impurity effect;
Laminating is used three parts to be complex as a whole according to the order of the first glass film 2, first polyvinyl alcohol film 7 and the first release film or the polyacrylate that sequentially passes through contrary with this order successively; Laminating is used three parts to be complex as a whole according to the order of the second glass film 10, second polyvinyl alcohol film 17 and the second release film or the polyacrylate that sequentially passes through contrary with this order successively; The cohesive force of polyacrylate to the first release film or the second release film is 15gf/25mm, and be 500gf/25mm to the cohesive force of the first glass film 2 or the second glass film 10, thickness is set to 5 μm;
Carry out cut to the first polyvinyl alcohol film 7 and the first release film, carry out cut to the second polyvinyl alcohol film 17 and the second release film, the polyvinyl alcohol film after cutting and release film are of a size of 115mmx68mm;
Cut is carried out, then sliver to the first glass film 2 and the second glass film 10;
Frame 14 in frame 6, second outer rim 12 and second is printed in the first outer rim 4, first according to respective precalculated position respectively in liquid crystal cell 3 upper and lower surface; In the first outer rim 4 and first, place the first drying agent 9 between frame 6, in the second outer rim 12 and second, place the second drying agent 15 between frame 14; The height of the first drying agent 9 or the second drying agent 15 is about 10 μm;
Take the first release film off, and the complex contraposition of the first glass film 2 and the first polyvinyl alcohol film 7 is covered side liquid crystal cell 3 with frame 6 in the first outer rim 4 and first in vacuum environment, then flatten pressing; Take the second release film off, and the complex contraposition of the second glass film 10 and the second polyvinyl alcohol film 17 is covered side liquid crystal cell 3 with frame 14 in the second outer rim 12 and second in vacuum environment, then flatten pressing; Pre-pressing pressure sets according to the actual conditions of production equipment, pressing-in temp is 120 DEG C, the single press time is 5 minutes, employing pressure is the parallel hot plate pressuring method of 0.08atm, to guarantee after pressing that glass fibre in frame 6, second outer rim in the first outer rim 4, first 12 and second in frame 14 is in same plane, produces uniform height;
The first plastic sheeting 1 containing ultraviolet light absorber is attached at the first glass film 2 upper surface, the second plastic sheeting 11 containing ultraviolet light absorber is attached at the second glass film 10 lower surface, i.e. PET film, detects after pressing and to see if there is in the first outer rim 4, first that frame 14 in frame 6, second outer rim 12 and second breaks, the defect such as irregular.
Above-mentioned TN type TFT liquid crystal indicator, can under the hot and humid environment of 110 DEG C of x90%RH the long-life normally show.
By changing glass film thickness, replacing the pattern of liquid crystal cell 3, add more film on the polyvinyl alcohol film of dyeing, to the adjustment that liquid crystal indicator carries out, be all encompassed in protection scope of the present invention; The present invention is according to the characteristics design confined space of the structure of liquid crystal cell 3 and light polarizing film, and protection light polarizing film, in vacuum environment, produces the liquid crystal indicator of high-temp resisting high-humidity resisting.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a hot and humid liquid crystal indicator, is characterized in that described display device comprises:
The first plastic sheeting containing ultraviolet light absorber;
Be arranged at the first glass film below described first plastic sheeting; Described first glass film upper surface is relative with described first plastic sheeting lower surface to be connected;
Be arranged at the liquid crystal cell below described first glass film;
Be arranged at the first outer rim between described first glass film and described liquid crystal cell; Described first outer rim is positioned at the marginal position of the first glass film and liquid crystal cell, forms the first enclosure space with the first glass film and liquid crystal cell;
Be placed in described first enclosure space first in frame and through dyeing process the first polyvinyl alcohol film; In described first, frame is laid in described first outer rim and encloses, and has the first spacer block of multiple formation frame-shaped structure spaced apart; Described first polyvinyl alcohol film upper surface connects described first glass film lower surface, and lower surface connects described liquid crystal cell, and side connects frame in described first.
2. the hot and humid liquid crystal indicator of one according to claim 1, is characterized in that described first glass film upper surface is connected by pressure-sensitive adhesive layer with described first plastic sheeting lower surface; Described first polyvinyl alcohol film upper surface connects described first glass film lower surface by pressure-sensitive adhesive layer; Described first polyvinyl alcohol film lower surface connects described liquid crystal cell by pressure-sensitive adhesive layer.
3. the hot and humid liquid crystal indicator of one according to claim 1, is characterized in that described display device also comprises the first drying agent be positioned in the first outer rim and first between frame.
4. the hot and humid liquid crystal indicator of one according to claim 1, is characterized in that described liquid crystal cell has double glazing substrate; Described device also comprises:
Be placed in the second glass film below described liquid crystal cell;
Be arranged at the second plastic sheeting below described second glass film; Described second plastic sheeting contains ultraviolet light absorber, and upper surface connects described second glass film lower surface;
Be arranged at the second outer rim between described liquid crystal cell and described second glass film; Described second outer rim is positioned at the marginal position of liquid crystal cell and the second glass film, forms the second enclosure space with liquid crystal cell and the second glass film;
Be placed in described second enclosure space second in frame and through dyeing process the second polyvinyl alcohol film; In described second, frame is laid in described second outer rim and encloses, and has the second spacer block of multiple formation frame-shaped structure spaced apart; Described second polyvinyl alcohol film upper surface connects described liquid crystal cell, and lower surface connects described second glass film, and side connects frame in described second.
5. the hot and humid liquid crystal indicator of one according to claim 4, is characterized in that described second glass film upper surface is connected by pressure-sensitive adhesive layer with described second polyvinyl alcohol film lower surface; Described second polyvinyl alcohol film upper surface connects described liquid crystal cell by pressure-sensitive adhesive layer; Described second glass film lower surface is connected by pressure-sensitive adhesive layer with described second plastic sheeting upper surface.
6. the hot and humid liquid crystal indicator of one according to claim 4, is characterized in that described display device also comprises the second drying agent be positioned in the second outer rim and second between frame.
7. the hot and humid liquid crystal indicator of one according to claim 1, it is characterized in that described liquid crystal cell one side connects the first polyvinyl alcohol film, another side is reverberator.
8. the hot and humid liquid crystal indicator of one according to claim 6, is characterized in that the cleaning point of described liquid crystal cell is at least high than the storing temperature of described liquid crystal indicator 10 DEG C; In described first outer rim, first, in frame, the second outer rim and second, frame fibreglass and epoxy resin mix according to constant weight percentage.
9. the hot and humid liquid crystal indicator of one according to claim 8, is characterized in that described first glass film thickness, described second glass film thickness is all less than or equal to 200 μm; Described constant weight percentage is 1:99 ~ 50:50; In described first outer rim, first, the height of frame is 10 ~ 100 μm, and is less than or equal to the thickness sum of the first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer; In second outer rim and second, the height of frame is 10 ~ 100 μm, and is less than or equal to the thickness sum of the second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer; Described first polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer are full of the inner space of frame in described first; Described second polyvinyl alcohol film and its both sides pressure-sensitive adhesive layer are full of the inner space of frame in described second; In described first outer rim, first, in frame, the second outer rim and second, the body width of frame is 200 ~ 500 μm; Distance in described first outer rim and first between frame is 0.1 ~ 1.5mm; Distance in described second outer rim and second between frame is 0.1 ~ 1.5mm.
10. a manufacture method for hot and humid liquid crystal indicator, is characterized in that described manufacture method is for the manufacture of the hot and humid liquid crystal indicator of one according to claim 4, and comprises the steps:
Cleaning liquid crystal cell;
According to the order of the first glass film, the first polyvinyl alcohol film and the first release film or the sequentially pass through pressure-sensitive adhesive layer contrary with this order, three parts are complex as a whole successively; According to the order of the second glass film, the second polyvinyl alcohol film and the second release film or the sequentially pass through pressure-sensitive adhesive layer contrary with this order, three parts are complex as a whole successively;
Cut is carried out to the first polyvinyl alcohol film and the first release film, make the edge of the edge of the first polyvinyl alcohol film and the first release film all and in first outside frame between be separated by 100 ~ 500 μm; Cut is carried out to the second polyvinyl alcohol film and the second release film, make the edge of the edge of the second polyvinyl alcohol film and the second release film all and in second outside frame between be separated by 100 ~ 500 μm;
First glass film and the second glass film are cut, makes to be separated by 200 ~ 500 μm outside the first outer rim and between the edge of the first glass film, be separated by outside the second outer rim and between the edge of the second glass film 200 ~ 500 μm;
Frame in frame in the first outer rim, first, the second outer rim and second is printed according to respective precalculated position respectively in liquid crystal cell upper and lower surface;
In the first outer rim and first, place the first drying agent between frame, in the second outer rim and second, place the second drying agent between frame;
Take the first release film off, and in vacuum environment, side liquid crystal cell with frame in the first outer rim and first is covered in the complex contraposition of the first glass film and the first polyvinyl alcohol film, then flatten pressing; Take the second release film off, and in vacuum environment, side liquid crystal cell with frame in the second outer rim and second is covered in the complex contraposition of the second glass film and the second polyvinyl alcohol film, then flatten pressing;
Frame in frame, the second outer rim and second in first outer rim, first is heated or adopts UV-irradiation;
Attach the first plastic sheeting containing ultraviolet light absorber at the first glass film upper surface, attach the second plastic sheeting containing ultraviolet light absorber at the second glass film lower surface.
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| CN201610169735.6A CN105572948B (en) | 2016-03-23 | 2016-03-23 | High-temperature high-humidity liquid crystal display device and manufacturing method thereof |
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| CN105572948B (en) | 2022-03-25 |
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Denomination of invention: A high-temperature and high humidity liquid crystal display device and its manufacturing method Effective date of registration: 20231229 Granted publication date: 20220325 Pledgee: China Merchants Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN LONGNING TECHNOLOGY Co.,Ltd. Registration number: Y2023210000361 |