CN100420989C - Color cholesterol type LCD device and its mfg. method - Google Patents
Color cholesterol type LCD device and its mfg. method Download PDFInfo
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- CN100420989C CN100420989C CNB2005100545875A CN200510054587A CN100420989C CN 100420989 C CN100420989 C CN 100420989C CN B2005100545875 A CNB2005100545875 A CN B2005100545875A CN 200510054587 A CN200510054587 A CN 200510054587A CN 100420989 C CN100420989 C CN 100420989C
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- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 title claims abstract description 316
- 235000012000 cholesterol Nutrition 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 69
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 128
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 97
- 230000004888 barrier function Effects 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 14
- 230000003098 cholesteric effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229940067606 lecithin Drugs 0.000 claims description 3
- 235000010445 lecithin Nutrition 0.000 claims description 3
- 239000000787 lecithin Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001259 photo etching Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- HVYWMOMLDIMFJA-UHFFFAOYSA-N 3-cholesterol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)CCCC(C)C)C1(C)CC2 HVYWMOMLDIMFJA-UHFFFAOYSA-N 0.000 description 3
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Abstract
The present invention relates to a color cholesterol type liquid crystal display and a manufacturing method thereof. The method comprises the steps: a plurality of retaining wall structures are made on a first electrode layer of a lower baseplate; a plurality of solution layers which are formed by mixing first cholesterol liquid crystal and high molecular monomers are sprayed among the retaining wall structures; a plurality of diaphragming layers are formed on the first cholesterol type liquid crystal layers; a plurality of solution layers which are formed by mixing second cholesterol liquid crystal and high molecular monomers are sprayed on the diaphragming layers; a plurality of upper covers are formed on the second cholesterol type liquid crystal layers; a plurality of electrically conductive materials are applied on the upper covers. The liquid crystal display comprises the lower baseplate, the retaining wall structures, the first cholesterol liquid crystal, a plurality of diaphragming walls, the second cholesterol liquid crystal, and a second electrode layer. The present invention can overcome the difficulties of complicated manufacturing procedures, difficulty in the para-position of a panel, difficulty in electrode design, complicated driving means, etc. of a publicly known color cholesterol type liquid crystal display. The manufactured liquid crystal display device can enhance reflection brightness.
Description
Technical field
The present invention relates to a kind of color cholesterol type LCD device and manufacture method thereof, especially refer to a kind of with ink-jet method in conjunction with ultraviolet exposure and cholesterol liquid crystal is arranged in pairs or groups mutually and the mode of being separated is made the color cholesterol type LCD device with bistable individual layer (or piling up) structure, the stacked structure color cholesterol type LCD device of made can strengthen reflecting brightness, and can be used as soft color cholesterol type LCD device.
Background technology
In recent years, flexible display and Electronic Paper and e-book are just flourish, and employed display medium comprises that LCD, electrophoretic display device (EPD), electrochromism chromogenic device and electrolysis separate out display.On Application of Electronic Paper, cholesterol liquid crystal and other display medium are compared, preferable comparation and assessment are all arranged on brightness and contrast, the while cholesterol liquid crystal has can passive driving and the advantage of producing easily.
To reach full-color cholesterin liquid-crystal display in the past, two kinds of means commonly used are arranged: first kind is to utilize three layers of cholesterol structure, by piling up the cholesterol liquid crystal of three layers of different colours reflection, and the multiple different driving mode of arranging in pairs or groups, the reflection that makes this display can produce different colours, its shortcoming be the three level stack structure cause the panel contraposition be difficult for/electrode design is difficult for and is difficult to crooked situation.Second kind is the individual layer cholesterol structure; utilize the decomposable chiral dope of light to mix with cholesterol liquid crystal; by adjusting the illuminate condition of extraneous ultraviolet light; destroy and reduce the content of single area chiral dope; and reach individual layer and colorful effect; but this assembly fiduciary level is not good, is subject to the influence of external environment, is protected and need add a uvioresistant layer.
The known technology aspect, as U.S. Pat 6,356, the color monitor of No. 323 cholesterol liquid crystals (Color Display Using Cholesteric Liquid Crystals), it discloses a kind of color monitor that uses cholesterol liquid crystal, please refer to Fig. 1, be the color monitor structural drawing of known cholesterol liquid crystal, comprise a light source absorption layer 10, one transparent soft substrate layer 12, one first electrode layer, 14, one the second electrode lays, 16, one third electrode layers 18, one the 4th electrode layer 20, one the 5th electrode layer, 22, one first light are adjusted layer 24, one second light and are adjusted layer 26 and 1 the 3rd light adjustment layer 28.
In addition, as U.S. Pat 6,331, the method (Method of Making aLiquid Crystal Device) of No. 884 making liquid-crystal apparatus discloses a kind of method of using liquid crystal material to make a liquid-crystal apparatus.As shown in Figure 2, the method processing procedure figure for the making liquid-crystal apparatus of known technology comprises a plurality of liquid crystal materials 30, a plurality of resin partition wall 32, one first substrates 34, one second substrates 36, a plurality of conducting membranes 38, a plurality of insulation films 40, a plurality of gaps post 42 and one absorption layer 44 backlight.
Yet, above-mentioned U.S. Pat 6,331, the method of No. 884 making liquid-crystal apparatus, its shortcoming on the processing procedure for coating resin monomer in advance on a plurality of insulation films 40, a plurality of liquid crystal materials 30 of spray printing again, carry out exposure manufacture process again after covering second substrate 36, form a plurality of resin partition walls 32, so neither good control on thickness, the processing procedure, and the driving voltage that needs is higher and image effect is relatively poor.
Summary of the invention
Fundamental purpose of the present invention be propose a kind of with ink-jet method in conjunction with ultraviolet exposure and the cholesterol liquid crystal making display module of arranging in pairs or groups mutually, utilize easy ink-jet processing procedure and the mode of being separated to produce color cholesterol type LCD device with bistable individual layer and stacked structure, the color cholesterol type LCD device of produced stacked structure can strengthen reflecting brightness, and can be used as can be soft color cholesterol type LCD device.
To achieve the above object, the present invention proposes a kind of manufacture method of color cholesterol type LCD device, comprises making a plurality of barrier wall structures on one first electrode layer of an infrabasal plate; Spray the first cholesterol liquid crystal layer that a plurality of first cholesterol liquid crystals mix with high polymer monomer between described barrier wall structure; Form a plurality of barrier layers on the described first cholesterol liquid crystal layer; Spray the second cholesterol liquid crystal layer that a plurality of second cholesterol liquid crystals mix with high polymer monomer on described barrier layer; Form and be placed on this second cholesterol liquid crystal layer on a plurality of, described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength between 400 to 800nm; And a plurality of conductive materials of coating cover on described.
According to design of the present invention, this infrabasal plate uses glass substrate or plastic base.
According to design of the present invention, this first electrode layer comprises active or the passive type driving circuit, and this first electrode layer uses inorganic conductive material or organic conductive material.
According to design of the present invention, described barrier wall structure uses little shadow, die casting, wire mark or ink-jet processing procedure to form, and described barrier wall structure is the macromolecular material that more contains a pigment.
According to design of the present invention, the step of this spraying is realized by an ink-jet method.
According to design of the present invention, described first cholesterol liquid crystal and described second cholesterol liquid crystal adopt the composite material of nematic crystal and chiral dope, described first cholesterol liquid crystal and described second cholesterol liquid crystal also contain a pigment, are combined as multiple pattern between the cholesterol liquid crystal of wherein said first cholesterol liquid crystal and the described second cholesteric liquid intracrystalline.
According to design of the present invention, described first cholesterol liquid crystal is the cholesterol liquid crystal of different revolving property with the second cholesterol liquid crystal layer that the first cholesterol liquid crystal layer and described second cholesterol liquid crystal of high polymer monomer mixing mix with high polymer monomer.
According to design of the present invention, described loam cake forms a polymer protection layer by a ultraviolet exposure mode.
According to design of the present invention, the step of this coating is wire mark method, ink-jet method, method of spin coating, immersed method, scrapes the skill in using a kitchen knife in cookery or print process.
According to design of the present invention, described conductive material is the black absorption material.
According to design of the present invention, when a plurality of first cholesterol liquid crystals of the spraying step of the first cholesterol liquid crystal layer between described barrier wall structure of mixing with high polymer monomer finished, promptly become the color cholesterol type LCD device of a single layer structure.
According to design of the present invention, also be contained on one first electrode layer of an infrabasal plate coating one and join layer mutually, this joins mutually that layer adopts polyvinyl alcohol (PVA), pi, polyamide, nylon, silicon dioxide, little groove or lecithin.
In addition, the present invention proposes a kind of color cholesterol type LCD device of stacked structure, comprises the infrabasal plate with one first electrode layer; A plurality of barrier wall structures are distributed on this infrabasal plate; A plurality of first cholesterol liquid crystals are distributed between described barrier wall structure; A plurality of barrier ribs are coated on described first cholesterol liquid crystal; A plurality of second cholesterol liquid crystals are coated on the described barrier rib; A plurality of loam cakes are formed on described second cholesterol liquid crystal, and described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength between 400 to 800nm; And a plurality of top electrodes, be distributed in and cover on described.
According to design of the present invention, also comprise one and join layer mutually, coat on this first electrode layer of this infrabasal plate.
According to design of the present invention, this first electrode layer uses inorganic conductive material or organic conductive material.
According to design of the present invention, described barrier wall structure is macromolecular material more, also contains a pigment in the described macromolecular material.
According to design of the present invention, described first cholesteric liquid intracrystalline and the described second cholesteric liquid intracrystalline also contain a pigment.
In addition, the invention provides a kind of color cholesterol type LCD device of double-basis stack of plates structure, comprising: the infrabasal plate with one first electrode layer; A plurality of barrier wall structures are formed on this infrabasal plate; A plurality of first cholesterol liquid crystals are distributed between described barrier wall structure; A plurality of barrier ribs are coated on described first cholesterol liquid crystal; A plurality of second cholesterol liquid crystals are coated on the described barrier rib; A plurality of loam cakes are formed on described second cholesterol liquid crystal, and described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength between 400 to 800nm; And a second electrode lay, be formed at and cover on described.
According to design of the present invention, also comprise one and join layer mutually, coat on this first electrode layer of this infrabasal plate.
According to design of the present invention, also comprise a upper substrate, be formed on this second electrode lay.
According to design of the present invention, this first electrode layer and this second electrode lay use inorganic conductive material or organic conductive material.
According to design of the present invention, described barrier wall structure is macromolecular material more, also contains a pigment in the described macromolecular material.
According to design of the present invention, described first cholesteric liquid intracrystalline and the described second cholesteric liquid intracrystalline also contain a pigment.
According to design of the present invention, this second electrode lay is a conductive material, and described conductive material is the black absorption material.
It is comparatively numerous and diverse that method of the present invention can overcome the processing procedure of known color cholesterol type LCD device, has easily that the panel contraposition is difficult for, electrode design is difficult for, a type of drive difficulty such as complexity comparatively.By arranging in pairs or groups mutually in conjunction with ultraviolet exposure and cholesterol liquid crystal with ink-jet method and being separated mode, making has the color cholesterol type LCD device of bistable individual layer and stacked structure, the color cholesterol type LCD device of produced stacked structure can strengthen reflecting brightness, and this technology can be applied in the manufacturing of color cholesterol type LCD device of soft (flexible) in addition.
Description of drawings
Fig. 1 is the color monitor structural drawing of known three layers of cholesterol liquid crystal;
Fig. 2 is the method processing procedure figure of the making liquid-crystal apparatus of known technology;
Fig. 3 A to Fig. 3 E is the stacked structure color cholesterol type LCD device synoptic diagram of first embodiment of the invention; And
Fig. 4 A to Fig. 4 E makes the color cholesterol type LCD device synoptic diagram of double-basis stack of plates structure with ink-jet method for the present invention.
Wherein, description of reference numerals is as follows:
10-backlight absorption layer; 12-transparent soft substrate layer; 14-first electrode layer;
The 16-the second electrode lay; 18-third electrode layer; 20-the 4th electrode layer;
22-the 5th electrode layer; 24-first light is adjusted layer; 26-second light is adjusted layer;
28-the 3rd light is adjusted layer; The 30-liquid crystal material; 32-resin partition wall; 34-first substrate;
36-second substrate; The 38-conducting membranes; The 40-insulation film; 42-gap post;
44-absorption layer backlight; The 50-ink gun; The 52-infrabasal plate; 54-first electrode layer;
56-first cholesterol liquid crystal; 58-second cholesterol liquid crystal; The 60-barrier wall structure;
The 62-loam cake; The 64-ultraviolet light; The 66-conductive material; The 68-barrier rib;
The 70-the second electrode lay; The 72-upper substrate.
Embodiment
In order further to understand technology, method and the effect that the present invention is taked for the set purpose of realization, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, when being goed deep into thus and concrete understanding, yet appended accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.
In the known technology as U.S. Pat 6,356, No. 323, wherein use the mode of traditional liquid crystal filling, the present invention is sprayed in the defined range with the cholesterol liquid crystal of ink-jet method with three kinds of colors, and uses the mode that is separated to realize the colourful cholesterin liquid-crystal display of individual layer and stacked structure.
Please refer to Fig. 3 A to Fig. 3 E, be the stacked structure color cholesterol type LCD device synoptic diagram of first embodiment of the invention with the ink-jet method processing procedure, Fig. 3 A, on one first electrode layer 54 of an infrabasal plate 52, make a plurality of barrier wall structures 60, wherein this infrabasal plate uses glass substrate or plastic base, this first electrode layer uses inorganic conductive material or organic conductive material, and comprise active or the passive type driving circuit, described barrier wall structure uses little shadow, die casting, wire mark and/or ink-jet processing procedure to form, and described barrier wall structure more contains melanic macromolecular material.
Fig. 3 B, spray solution layer 56 that a plurality of first cholesterol liquid crystals mix with high polymer monomer in 60 of described barrier wall structures, this spraying method is realized with ink-jet method by an ink gun 50, described first cholesterol liquid crystal is cholesteric liquid crystal material and/or the composite material that adopts nematic crystal and chiral dope, described first cholesterol liquid crystal is the liquid crystal of a plurality of reflection different colours and can be three kinds of color reflections of RGB, the described first cholesteric liquid intracrystalline also contains its reflection wavelength of a pigment and comprises visible region between 400 to 800nm, and described first cholesterol liquid crystal is the cholesterol liquid crystal of different revolving property with the solution layer that high polymer monomer mixes, in the processing procedure process, more be contained in addition on one first electrode layer of an infrabasal plate coating one and join layer mutually, wherein this joins layer employing polyvinyl alcohol (PVA) mutually, pi, polyamide, nylon, silicon dioxide, little groove or lecithin, when a plurality of first cholesterol liquid crystals of the spraying step of solution layer between described barrier wall structure of mixing with high polymer monomer finished, promptly becoming the color cholesterol type LCD device of a single layer structure and integral thinned and processing procedure becomes simply, again, arrange its left dextrorotatory array mode to can be multiple pattern with the pixel of individual layer cholesterin liquid-crystal display, its result can increase reflectivity.
Fig. 3 C forms a plurality of barrier layers 68 on the described first cholesterol liquid crystal layer, and this formation step causes the formation that is separated in the ultraviolet photoetching mode, and this ultraviolet photoetching mode is a direct irradiation ultraviolet 64.
Fig. 3 D; spray solution layer that a plurality of second cholesterol liquid crystals mix with high polymer monomer on described barrier layer; this spraying method is realized with ink-jet method by an ink gun 50; described second cholesterol liquid crystal is cholesteric liquid crystal material and/or the composite material that adopts nematic crystal and chiral dope; described second cholesterol liquid crystal is the liquid crystal of a plurality of reflection different colours and can be three kinds of color reflections of RGB; the described second cholesteric liquid intracrystalline also contains its reflection wavelength of a pigment and comprises visible region between 400 to 800nm; and described second cholesterol liquid crystal is the cholesterol liquid crystal of different revolving property with the solution layer that high polymer monomer mixes; carry out ultraviolet photoetching and cause a plurality of loam cakes 62 of formation that are separated; this ultraviolet photoetching mode is directly to shine ultraviolet 64, and described loam cake is a polymer protection layer.
Fig. 3 E, be coated with a plurality of conductive materials 66 on described loam cake 62, described conductive material is the black absorption material, wherein the step of this coating is wire mark method, ink-jet method, method of spin coating, immersed method, scrapes the skill in using a kitchen knife in cookery and print process, when the step of coating is finished, promptly become the color cholesterol type LCD device of a pile stack structure.
Among the first above-mentioned embodiment; when entering, outer light can reflect and derotation light can penetrate with revolving property light; so the highest reflectivity has only 50%; on this framework; the present invention makes a plurality of barrier wall structures earlier; carry out barrier layer of ultraviolet exposure formation after spraying ground floor dextrorotation (left-handed) cholesterol liquid crystal again; cholesterol liquid crystal mixes this barrier layer in order to avoid up and down; spray second layer dextrorotation (left-handed) cholesterol liquid crystal afterwards again; and then carry out the exposure second time to form described loam cake protective seam; the wave band of above-mentioned twice ultraviolet exposure can be difference, and the array mode of revolving cholesterol liquid crystal about it can be multiple pattern.In addition, its array mode can as earlier continuous three times left-handed after continuous again three dextrorotation or the like by that analogy, its result can increase reflectivity.
Please refer to Fig. 4 A to Fig. 4 E, make the color cholesterol type LCD device synoptic diagram of double-basis stack of plates structure with ink-jet method for the present invention, wherein the fabrication steps of this Fig. 4 A to Fig. 4 D is same as the described Fig. 3 of first embodiment A to Fig. 3 D, in Fig. 4 E, the upper substrate 72 that formation has a second electrode lay 70 covers on described, and this promptly becomes the color cholesterol type LCD device of a pair of substrate stacked structure.
The present invention adopts ink-jet method, because ink-jet method just can define zone to display, it just can demonstrate full-color effect to utilize ink-jet method that described liquid crystal is filled into the viewing area, its chiral dope can be divided into left-handed and dextrorotation, as will reflect the optical wavelength of dextrorotation when adding the chiral dope of dextrorotation, and the ratio regular meeting that adds chiral dope reflects the wave band of reflection, the benefit of ink-jet method is injected into the viewing area to the thing that will inject then for controlling to locate, as want defined range the present invention can design barrier wall structure, ultraviolet exposure can be simplified processing procedure and avoid colour mixture.
The above-mentioned accompanying drawing that discloses, explanation; only be embodiments of the invention; allly be skillful in this operator when can doing other all improvement according to above-mentioned explanation, still to belong to invention of the present invention spiritual and among the protection domain of appended claims and these change.
Claims (24)
1. the manufacture method of the color cholesterol type LCD device of a stacked structure, comprising the following step:
Make a plurality of barrier wall structures on one first electrode layer of an infrabasal plate;
Spray the first cholesterol liquid crystal layer that a plurality of first cholesterol liquid crystals mix with high polymer monomer between described barrier wall structure;
Form a plurality of barrier layers on the described first cholesterol liquid crystal layer;
Spray the second cholesterol liquid crystal layer that a plurality of second cholesterol liquid crystals mix with high polymer monomer on described barrier layer;
Form and be placed on this second cholesterol liquid crystal layer on a plurality of, described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength between 400 to 800nm; And
Being coated with a plurality of conductive materials covers on described.
2. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that this infrabasal plate uses glass substrate or plastic base.
3. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that this first electrode layer comprises active or the passive type driving circuit, and this first electrode layer uses inorganic conductive material or organic conductive material.
4. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1, it is characterized in that described barrier wall structure uses little shadow, die casting, wire mark or ink-jet processing procedure to form, described barrier wall structure is the macromolecular material that more contains a pigment.
5. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that the step of this spraying is realized by an ink-jet method.
6. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1, it is characterized in that described first cholesterol liquid crystal and described second cholesterol liquid crystal adopt the composite material of nematic crystal and chiral dope, described first cholesterol liquid crystal and described second cholesterol liquid crystal also contain a pigment, are combined as multiple pattern between the cholesterol liquid crystal of wherein said first cholesterol liquid crystal and the described second cholesteric liquid intracrystalline.
7. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that first cholesterol liquid crystal layer of described first cholesterol liquid crystal and high polymer monomer mixing and the second cholesterol liquid crystal layer that described second cholesterol liquid crystal mixes with high polymer monomer are the cholesterol liquid crystal of different revolving property.
8. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that described loam cake by a ultraviolet exposure mode, forms a polymer protection layer.
9. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1, the step that it is characterized in that this coating is wire mark method, ink-jet method, method of spin coating, immersed method, scrapes the skill in using a kitchen knife in cookery or print process.
10. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1 is characterized in that described conductive material is the black absorption material.
11. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1, it is characterized in that when the step of the first cholesterol liquid crystal layer between described barrier wall structure that a plurality of first cholesterol liquid crystals of spraying mix with high polymer monomer finished, promptly becoming the color cholesterol type LCD device of a single layer structure.
12. the manufacture method of the color cholesterol type LCD device of stacked structure as claimed in claim 1, it is characterized in that also being contained on one first electrode layer of an infrabasal plate coating one and join layer mutually, this joins mutually that layer adopts polyvinyl alcohol (PVA), pi, polyamide, nylon, silicon dioxide, little groove or lecithin.
13. the color cholesterol type LCD device of a stacked structure, comprising:
Infrabasal plate with one first electrode layer;
A plurality of barrier wall structures are distributed on this infrabasal plate;
A plurality of first cholesterol liquid crystals are distributed between described barrier wall structure;
A plurality of barrier ribs are coated on described first cholesterol liquid crystal;
A plurality of second cholesterol liquid crystals are coated on the described barrier rib;
A plurality of loam cakes are formed on described second cholesterol liquid crystal, and described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength is between 400 to 800nm, and
A plurality of top electrodes are distributed in and cover on described.
14. the color cholesterol type LCD device of stacked structure as claimed in claim 13 is characterized in that also comprising one and joins layer mutually, coats on this first electrode layer of this infrabasal plate.
15. the color cholesterol type LCD device of stacked structure as claimed in claim 13 is characterized in that this first electrode layer uses inorganic conductive material or organic conductive material.
16. the color cholesterol type LCD device of stacked structure as claimed in claim 13 is characterized in that more macromolecular material of described barrier wall structure, also contains a pigment in the described macromolecular material.
17. the color cholesterol type LCD device of stacked structure as claimed in claim 13 is characterized in that described first cholesteric liquid intracrystalline and the described second cholesteric liquid intracrystalline also contain a pigment.
18. the color cholesterol type LCD device of a double-basis stack of plates structure, comprising:
Infrabasal plate with one first electrode layer;
A plurality of barrier wall structures are formed on this infrabasal plate;
A plurality of first cholesterol liquid crystals are distributed between described barrier wall structure;
A plurality of barrier ribs are coated on described first cholesterol liquid crystal;
A plurality of second cholesterol liquid crystals are coated on the described barrier rib;
A plurality of loam cakes are formed on described second cholesterol liquid crystal, and described first cholesterol liquid crystal and second cholesterol liquid crystal are the liquid crystal of a plurality of reflection different colours, and reflection wavelength between 400 to 800nm; And
One the second electrode lay is formed at and covers on described.
19. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that also comprising one and joins layer mutually, coats on this first electrode layer of this infrabasal plate.
20. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that also comprising a upper substrate, is formed on this second electrode lay.
21. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that this first electrode layer and this second electrode lay use inorganic conductive material or organic conductive material.
22. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that more macromolecular material of described barrier wall structure, also contains a pigment in the described macromolecular material.
23. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that described first cholesteric liquid intracrystalline and the described second cholesteric liquid intracrystalline also contain a pigment.
24. the color cholesterol type LCD device of double-basis stack of plates structure as claimed in claim 18 is characterized in that this second electrode lay is a conductive material, described conductive material is the black absorption material.
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| CNB2005100545875A CN100420989C (en) | 2005-03-14 | 2005-03-14 | Color cholesterol type LCD device and its mfg. method |
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| CNB2005100545875A CN100420989C (en) | 2005-03-14 | 2005-03-14 | Color cholesterol type LCD device and its mfg. method |
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| CN100420989C true CN100420989C (en) | 2008-09-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001188119A (en) * | 1999-12-28 | 2001-07-10 | Seiko Epson Corp | Method of producing color filter, and method of producing liquid crystal display device |
| US6331884B1 (en) * | 1997-07-18 | 2001-12-18 | Minolta Co., Ltd. | Method of making a liquid crystal device |
| US6356323B1 (en) * | 2000-08-11 | 2002-03-12 | Eastman Kodak Company | Color display using cholesteric liquid crystals |
-
2005
- 2005-03-14 CN CNB2005100545875A patent/CN100420989C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331884B1 (en) * | 1997-07-18 | 2001-12-18 | Minolta Co., Ltd. | Method of making a liquid crystal device |
| JP2001188119A (en) * | 1999-12-28 | 2001-07-10 | Seiko Epson Corp | Method of producing color filter, and method of producing liquid crystal display device |
| US6356323B1 (en) * | 2000-08-11 | 2002-03-12 | Eastman Kodak Company | Color display using cholesteric liquid crystals |
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