CN102193257B - Cholesterol liquid crystal display structure - Google Patents
Cholesterol liquid crystal display structure Download PDFInfo
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- CN102193257B CN102193257B CN 201010139687 CN201010139687A CN102193257B CN 102193257 B CN102193257 B CN 102193257B CN 201010139687 CN201010139687 CN 201010139687 CN 201010139687 A CN201010139687 A CN 201010139687A CN 102193257 B CN102193257 B CN 102193257B
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- liquid crystal
- cholesterol liquid
- cholesterol
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- curtain wall
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Abstract
A cholesterol liquid crystal display structure comprises an upper base plate, an upper electrode, a lower electrode, a lower base plate and an absorbing layer. A partition wall structure is arranged between the upper electrode and the lower electrode and has a plurality of spaces which are used for accommodating a plurality of cholesterol liquid crystals; the plurality of cholesterol liquid crystals comprise a white light cholesterol liquid crystal; and the aim of improving the reflectance of the cholesterol liquid crystal display can be fulfilled by arranging the white light cholesterol liquid crystal and fitting with the arrangement design of other types of cholesterol liquid crystals.
Description
Technical field
The invention relates to a kind of cholesterin liquid-crystal display structure, refer to a kind of cholesterin liquid-crystal display structure that is provided with the white light cholesterol liquid crystal especially.
Background technology
Conventional reflective cholesterin liquid-crystal display design is divided into two kinds of individual layer cholesterol structure and three layers of cholesterol structure, a kind of structural representation of known individual layer cholesterin liquid-crystal display 10 as shown in Figure 1, it has lower floor's conductive film 11, once laminar substrate 12 and an absorption layer 13, form plural sept 14 in this lower conductive film 11, by forming complex number space between this plural number sept 14, in this complex number space, be perfused with ruddiness cholesterol liquid crystal 15R, green glow cholesterol liquid crystal 15G, blue light cholesterol liquid crystal 15B, this ruddiness cholesterol liquid crystal 15R, green glow cholesterol liquid crystal 15G, blue light cholesterol liquid crystal 15B is side by side in (on this lower conductive film 11) on the same plane, again in this ruddiness cholesterol liquid crystal 15R, green glow cholesterol liquid crystal 15G, blue light cholesterol liquid crystal 15B top arranges a upper strata conductive film 16, one top substrate layer 17, this individual layer cholesterol structure 10 utilizes the decomposable chiral dope of light to mix with cholesterol liquid crystal, by adjusting the illuminate condition of extraneous ultraviolet light, reduce the content of single area chiral dope, and reach individual layer and colorful effect, but owing to incident light can't reflect again, so its reflectivity is low than three layers of cholesterol structure; See also the structural representation of a kind of known three layers of cholesterin liquid-crystal display 20 shown in Figure 2, it is by a ruddiness cholesteric liquid crystal panel 21, one green glow cholesteric liquid crystal panel 22, three monochromatic cholesterol panels such as one blue light cholesteric liquid crystal panel, 23 grades stack and form, be provided with an absorption layer 24 in the bottom, this ruddiness cholesteric liquid crystal panel 21, green glow cholesteric liquid crystal panel 22, blue light cholesteric liquid crystal panel 23 is arranged in pairs or groups separately levels electrode and levels substrate (not shown), by stacking three layers of different colours reflection and the multiple different driving mode of arranging in pairs or groups, compared to individual layer cholesterin liquid-crystal display 10 shown in Figure 1, the reflectivity of these three layers of cholesterin liquid-crystal displays 20 is higher, but shortcoming is three layers of stacking structure and causes the panel contraposition to be difficult for, electrode design is difficult for, and thickness can't effectively reduce.
Summary of the invention
Because the disappearance of known techniques, the present invention proposes a kind of cholesterin liquid-crystal display structure, by the setting of white light cholesterol liquid crystal, cooperates the arrangement design of other kind cholesterol liquid crystals, can reach the purpose that improves the cholesterin liquid-crystal display reflectivity.
For achieving the above object, the present invention proposes a kind of cholesterin liquid-crystal display structure, comprises:
One absorption layer;
One bottom substrate is the one side that stacks on this absorption layer;
One bottom electrode is to stack on the one side that this lower basal plate differs from this absorption layer;
One curtain wall structure is to stack on the one side that this lower electrode differs from this lower basal plate, and this curtain wall structure has complex number space, and this complex number space is to plant cholesterol liquid crystal in order to plural number to be set, and this plural number kind cholesterol liquid crystal comprises a white light cholesterol liquid crystal;
One upper electrode is to stack on the one side that this curtain wall structure differs from this lower electrode; And
One upper substrate is to stack on the one side that this upper electrode differs from this curtain wall structure.
Cholesterin liquid-crystal display structure provided by the invention can improve outside the reflectivity by the white light cholesterol liquid crystal; But the arrangement design of mat cholesterol liquid crystal more reaches the effect that improves the cholesterin liquid-crystal display reflectivity in addition.
Further understand and approval for making to have for structure purpose of the present invention and effect, cooperate diagram to describe in detail now as after.
Description of drawings
Fig. 1 is the structural representation of known individual layer cholesterin liquid-crystal display;
Fig. 2 is the structural representation of known three layers of cholesterin liquid-crystal display;
Fig. 3 is first embodiment of the invention plan structure synoptic diagram;
Fig. 4 is that first embodiment of the invention is faced structural representation;
Fig. 5 is second embodiment of the invention plan structure synoptic diagram;
Fig. 6 is third embodiment of the invention plan structure synoptic diagram;
Fig. 7 is that fourth embodiment of the invention is faced structural representation;
Fig. 8 is to be the embodiment that foundation is derived with the fourth embodiment of the invention.
Description of reference numerals:
Prior art: 10-individual layer cholesterin liquid-crystal display; The 11-lower conductive film; Laminar substrate under the 12-; The 13-absorption layer; The 14-sept; 15R-ruddiness cholesterol liquid crystal; 15G-green glow cholesterol liquid crystal; 15B-blue light cholesterol liquid crystal; 16-upper strata conductive film; The 17-top substrate layer; Three layers of cholesterin liquid-crystal display of 20-; 21-ruddiness cholesteric liquid crystal panel; 22-green glow cholesteric liquid crystal panel; 23-blue light cholesteric liquid crystal panel; The 24-absorption layer;
The present invention: 30-cholesterin liquid-crystal display; The 31-absorption layer; The 32-lower basal plate; The 33-lower electrode; The 34-curtain wall structure; 341～344-space; The 35-upper electrode; The 36-upper substrate; 37R-ruddiness cholesterol liquid crystal; 37G-green glow cholesterol liquid crystal; 37B-blue light cholesterol liquid crystal; 37W-white light cholesterol liquid crystal; 40,50-cholesterin liquid-crystal display; 44,54-curtain wall structure; 441～444,541～548-space; 47R, 57R-ruddiness cholesterol liquid crystal; 47G, 57G-green glow cholesterol liquid crystal; 47B, 57B-blue light cholesterol liquid crystal; 47W, 57W-white light cholesterol liquid crystal; The 50-cholesterin liquid-crystal display; 60,70-cholesterin liquid-crystal display; 61,71-absorption layer; 62,72-lower basal plate; 63,73-lower electrode; 64a, 74a-bottom curtain wall structure; 64b, 74b-top curtain wall structure; 641,642,741,742-lower layer space; 643,644, the last sheaf space of 743-; 65,75-upper electrode; 66,76-upper substrate; 67W-white light cholesterol liquid crystal; 67G, 77G-green glow cholesterol liquid crystal; 67R, 77R-ruddiness cholesterol liquid crystal; 67B, 77B-blue light cholesterol liquid crystal; 67,77-first middle electrode; 68,78-middle part substrate; 69,79-second middle electrode; The distance of d1-lower electrode and upper electrode.
Embodiment
For reaching the employed technological means of purpose and effect, and following graphic cited embodiment only is aid illustration, is beneficial to understanding of the present invention hereinafter with reference to the graphic the present invention of description who encloses, but that the technological means of this case is not limited to is cited graphic.
See also first embodiment of the invention plan structure synoptic diagram shown in Figure 3, and first embodiment of the invention shown in Figure 4 is faced structural representation, this cholesterol liquid crystal (cholesteric LCD) display 30 comprises an absorption layer 31, one bottom substrate 32, one bottom electrode 33, one curtain wall structure 34, one upper electrode 35 and a upper substrate 36, this lower basal plate 32 is the one sides that stack on this absorption layer 31, this lower electrode 33 is to stack on the one side that this lower basal plate 32 differs from this absorption layer 31, this curtain wall structure 34 is to stack on the one side that this lower electrode 33 differs from this lower basal plate 32, this upper electrode 35 is to stack on the one side that this curtain wall structure 34 differs from this lower electrode 33, this upper substrate 36 is to stack on the one side that this upper electrode 35 differs from this curtain wall structure 34, as shown in the figure, this absorption layer 31, lower basal plate 32, lower electrode 33, curtain wall structure 34, upper electrode 35 and upper substrate 36 are from bottom to top to stack in regular turn.
This upper substrate 36 and lower basal plate 32 can adopt glass, saturated polyester terephthaldehyde acetoacetic ester (PET), polyethersulfone (PES), polyimide (PI) to make; This upper electrode 35 and lower electrode 33 can adopt conducting polymer composite, indium tin oxide (ITO), indium-zinc oxide (IZO), azo (AZO), zinc paste (ZnO), tin oxide (SnO) transparent conductive material; This curtain wall structure 34 can adopt organic material, one or more combinations wherein of inorganic material and macromolecular material, take shape between this lower electrode 33 and the upper electrode 35 with printing or the light lithography that exposes to the sun, and this curtain wall structure 34 electrically connects with this upper electrode 33 and this lower electrode 35, can being controlled in the scope of 0.1～100um apart from d1 of 35 of this lower electrode 33 and upper electrodes, in Fig. 3 and this first embodiment shown in Figure 4, this curtain wall structure 34 is single layer structure, and have four spaces 341 that are arranged as delegation, 342,343,344, again to adopt vacuum to inject, modes such as the formula of dripping injection method (ODF (ONE DROPFILLING) CELL GAP) or ink jet are injected ruddiness cholesterol liquid crystal 37R respectively in these four spaces 341～344, green glow cholesterol liquid crystal 37G, blue light cholesterol liquid crystal 37B, four kinds of cholesterol liquid crystals of white light cholesterol liquid crystal 37W.About this ruddiness cholesterol liquid crystal 37R, green glow cholesterol liquid crystal 37G, the kind of blue light cholesterol liquid crystal 37B, can adopt the net cholesterol liquid crystal, or be added with the nematic liquid crystal of chiral dope and macromolecule mixture, this chiral dope is cyano group (Cyano) series, Cholesteryl pelargonate (cholesterylnonanoate), non-racemization (nonracemic), giant molecule spirality (macromolecularhelicity), azobenzene (azobenzenes), code is the liquid crystal series of ZLI, dinaphthyl (binaphthalene), two polarity (dipolar), code is liquid crystal series one or more combinations wherein of SPE, and this macromolecule mixture can be and includes the monofunctional molecule monomer, the multiple functional radical molecule monomer, monofunctional oligomerization compound, multiple functional radical oligomerization compound, ultraviolet light photopolymerization type or the thermmohardening type macromolecule mixture of initiator one of them or its combination.
What deserves to be explained is, general so-called with ruddiness, green glow, blue light three looks (that is R, G, the B three primary colors) cholesterol liquid crystal is mixed into white light, should " white light " reality be transparent optical, and this white light cholesterol liquid crystal 37W that the present invention adds, this " white light " refers to cholesterol liquid crystal and high polymer monomer (monomer) adds light initiator, by with the viewing area in residual generation polyreaction form dispersed polymeres (dispersedpolymer), by the planar texture (planar texture) that imports multidomain (multi-domain) and adjust the nearly ruddiness of pitch of cholesterol liquid crystal, because of farmland (domain) different wavelength that reflect with the screw axis vergence direction of farmland (domain) also difference, after whole wavelength superpositions, " white " that presents; Control mode of the present invention is, when desire shows reflection to red light, as long as this green glow cholesterol liquid crystal of control 37G, blue light cholesterol liquid crystal 37B is shown as focal conic state (focal conic state), control this white light cholesterol liquid crystal 37W and be shown as flat state (planar state), can improve the reflection to red light rate of this ruddiness cholesterol liquid crystal 37R, the principle that shows green glow and blu-ray reflection is identical, if and control this ruddiness cholesterol liquid crystal 37R, green glow cholesterol liquid crystal 37G, blue light cholesterol liquid crystal 37B, when white light cholesterol liquid crystal 37W is flat state (planar state), then can improve white light reflectance.
Preparation method about white light cholesterol liquid crystal of the present invention is, the reflection wavelength of white light cholesterol liquid crystal is adjusted near infrared light, add high polymer monomer, can form the flat state (planar state) of multidomain (multi-domain), owing to farmland (domain) different wavelength that reflect with the screw axis vergence direction on farmland also different (λ=npcos θ, wherein, p is liquid crystal pitch, θ is the angle on incident light and liquid crystal plane, n is liquid-crystal refractive-index, λ is the liquid crystal reflection wavelength), therefore all can present white light reflection after the wavelength superposition, and present scattering (scattering) black at focal conic state (focal conic state).Cholesterin liquid-crystal display structure provided by the present invention, its curtain wall structure is except the curtain wall structure 34 of the single file form of single sheet of Fig. 3 and this first embodiment shown in Figure 4, also can do other variations, see also the plan structure figure of this second embodiment shown in Figure 5, the curtain wall structure 44 of this cholesterin liquid-crystal display 40 is single layer structure, this curtain wall structure 44 has four spaces 441,442,443,444, these four spaces 441～444th, 2X2 array are respectively arranged with ruddiness cholesterol liquid crystal 47R in these four spaces 441～444 on same plane, green glow cholesterol liquid crystal 47G, blue light cholesterol liquid crystal 47B, white light cholesterol liquid crystal 47W; See also the plan structure figure of the 3rd embodiment shown in Figure 6, the curtain wall structure 54 of this cholesterin liquid-crystal display 50 is still single layer structure, this curtain wall structure 54 has eight spaces 541,542,543,544,545,546,547,548, these eight spaces 541～548th, the 2X4 array, that is have two the row, each row has four spaces, in four spaces of every row, be respectively arranged with ruddiness cholesterol liquid crystal 57R, green glow cholesterol liquid crystal 57G, blue light cholesterol liquid crystal 57B, white light cholesterol liquid crystal 57W, and the ruddiness cholesterol liquid crystal 57R of two row, green glow cholesterol liquid crystal 57G, blue light cholesterol liquid crystal 57B, white light cholesterol liquid crystal 57W mutual dislocation; It is identical with Fig. 3 and this embodiment of Fig. 4 that Fig. 5 and Fig. 6 two embodiment control the light reflection way, this Fig. 5 and Fig. 6 are in order to illustrate that curtain wall structure of the present invention can be set to individual layer, and the formed space in order to ccontaining cholesterol liquid crystal of curtain wall structure can be single file and arranges or plural ranks array.
See also the structural representation of facing of fourth embodiment of the invention shown in Figure 7, this cholesterin liquid-crystal display 60 comprises an absorption layer 61, one bottom substrate 62, one bottom electrode 63, the one side that differs from this lower basal plate 62 in this lower electrode 63 has stacked a bottom curtain wall structure 64a and a top curtain wall structure 64b, between this bottom curtain wall structure 64a and this top curtain wall structure 64b, be provided with one first middle electrode 67, one middle part substrate 68, one second middle electrode 69, the one side that differs from this second middle electrode 69 in this top curtain wall structure 64b is provided with a upper electrode 65 and a upper substrate 66, the characteristics of present embodiment are to be provided with the two-layer equation curtain wall structure of a bottom curtain wall structure 64a and top curtain wall structure 64b formation, this bottom curtain wall structure 64a is provided with two lower layer spaces 641 arranged side by side, 642, a lower layer space 641 wherein is provided with ruddiness cholesterol liquid crystal 67R, another lower layer space 642 is provided with blue light cholesterol liquid crystal 67B, this top curtain wall structure 64b is provided with two last sheaf spaces 643 arranged side by side, 644, wherein one on sheaf space 643 be provided with white light cholesterol liquid crystal 67W, sheaf space 644 is provided with green glow cholesterol liquid crystal 67G on another, this ruddiness cholesterol liquid crystal 67R is that correspondence is arranged at this white light cholesterol liquid crystal 67W below, this blue light cholesterol liquid crystal 67B is that correspondence is arranged at this green glow cholesterol liquid crystal 67G below, by this top curtain wall structure 64b, this white light cholesterol liquid crystal 67W, this green glow cholesterol liquid crystal 67G constitutes a top cholesteric liquid crystal layer and a top reflectivity can be provided, and this bottom curtain wall structure 64a below being positioned at, this ruddiness cholesterol liquid crystal 67R, this blue light cholesterol liquid crystal 67B constitutes a bottom cholesteric liquid crystal layer and a bottom reflectivity can be provided, compared to this ruddiness cholesterol liquid crystal 67R that is positioned at lower floor, this blue light cholesterol liquid crystal 67B, owing to be positioned at this white light cholesterol liquid crystal 67W on upper strata, this green glow cholesterol liquid crystal 67G has higher reflectivity, therefore, aforementioned this top reflectivity is greater than this bottom reflectivity, can improve the reflectivity of these cholesterin liquid-crystal display 60 integral body, the present embodiment explanation, setting by this white light cholesterol liquid crystal 67W, collocation is done can significantly improve reflectivity under the two-layer equation design double action with other cholesterol liquid crystals.In like manner, this first embodiment of Fig. 3 and Fig. 4, this this embodiment of second embodiment, Fig. 6 of Fig. 5, also can be set to double-decker, its design focal point is that the cholesterol liquid crystal that reflectivity is higher is arranged at the upper strata, the cholesterol liquid crystal that reflectivity is lower is arranged at lower floor, and the upper strata reflectivity is got final product greater than lower floor's reflectivity.
According to Fig. 7 embodiment, can derive the embodiment as Fig. 8, this cholesterin liquid-crystal display 70 comprises an absorption layer 71, one bottom substrate 72, one bottom electrode 73, the one side that differs from this lower basal plate 72 in this lower electrode 73 has stacked a bottom curtain wall structure 74a and a top curtain wall structure 74b, between this bottom curtain wall structure 74a and this top curtain wall structure 74b, be provided with one first middle electrode 77, one middle part substrate 78, one second middle electrode 79, the one side that differs from this second middle electrode 79 in this top curtain wall structure 74b is provided with a upper electrode 75 and a upper substrate 76, the characteristics of present embodiment are, this bottom curtain wall structure 74a is provided with two lower layer spaces 741 arranged side by side, 742, a lower layer space 741 wherein is provided with ruddiness cholesterol liquid crystal 77R, another lower layer space 742 is provided with blue light cholesterol liquid crystal 77B, this top curtain wall structure 74b is provided with sheaf space 743 on, should go up sheaf space 743 and be provided with green glow cholesterol liquid crystal 77G, the scope of this green glow cholesterol liquid crystal 77G can contain this ruddiness cholesterol liquid crystal 77R and blue light cholesterol liquid crystal 77B, because the reflectivity of green glow cholesterol liquid crystal 77G is higher than this ruddiness cholesterol liquid crystal 77R and blue light cholesterol liquid crystal 77B, therefore, also can improve the reflectivity of this cholesterin liquid-crystal display 70, by that analogy, should go up sheaf space 743 the white light cholesterol liquid crystal can be set, ruddiness cholesterol liquid crystal or blue light cholesterol liquid crystal also can be set, get final product in other lower cholesterol liquid crystals of lower layer space collocation reflectivity again.
In sum, cholesterin liquid-crystal display structure provided by the invention, except improving the reflectivity by the white light cholesterol liquid crystal, but the arrangement design of mat cholesterol liquid crystal more reaches the purpose that improves the cholesterin liquid-crystal display reflectivity.
The above description of this invention is illustrative; and it is nonrestrictive; those skilled in the art should be understood that within the spirit that claim limits and scope can carry out many modifications, variation or equivalence to it, but they all will fall within the scope of protection of the present invention.
Claims (7)
1. cholesterin liquid-crystal display structure comprises:
One absorption layer;
One bottom substrate is the one side that stacks on this absorption layer;
One bottom electrode is to stack on the one side that this lower basal plate differs from this absorption layer;
One curtain wall structure is to stack on the one side that this lower electrode differs from this lower basal plate, and this curtain wall structure has complex number space, and this complex number space is to plant cholesterol liquid crystal in order to plural number to be set;
One upper electrode is to stack on the one side that this curtain wall structure differs from this lower electrode; And
One upper substrate is to stack on the one side that this upper electrode differs from this curtain wall structure, wherein:
This curtain wall structure is double-decker, and this double-decker comprises:
One bottom cholesteric liquid crystal layer, this bottom cholesteric liquid crystal layer is to stack on the one side that this lower electrode differs from this lower basal plate, be provided with at least one lower layer space in this bottom cholesteric liquid crystal layer, be provided with cholesterol liquid crystal in this lower layer space, this bottom cholesteric liquid crystal layer is in order to a bottom reflectivity to be provided;
One top cholesteric liquid crystal layer, this top cholesteric liquid crystal layer is to stack on the one side that this bottom cholesteric liquid crystal layer differs from this lower electrode, be provided with at least one sheaf space of going up in this top cholesteric liquid crystal layer, on this, be provided with cholesterol liquid crystal in the sheaf space, this top cholesteric liquid crystal layer is in order to a top reflectivity to be provided, it is characterized in that this plural number kind cholesterol liquid crystal comprises a white light cholesterol liquid crystal, aforementioned this top reflectivity is greater than this bottom reflectivity.
2. cholesterin liquid-crystal display structure according to claim 1, wherein this bottom cholesteric liquid crystal layer is provided with two lower layer spaces arranged side by side, and this top cholesteric liquid crystal layer is provided with two last sheaf spaces arranged side by side.
3. cholesterin liquid-crystal display structure according to claim 2, wherein one on sheaf space be provided with the white light cholesterol liquid crystal, sheaf space is provided with the green glow cholesterol liquid crystal on another, a lower layer space wherein is provided with the ruddiness cholesterol liquid crystal, and another lower layer space is provided with the blue light cholesterol liquid crystal.
4. cholesterin liquid-crystal display structure according to claim 3, wherein this ruddiness cholesterol liquid crystal is that correspondence is arranged at this white light cholesterol liquid crystal below, this blue light cholesterol liquid crystal is that correspondence is arranged at this green glow cholesterol liquid crystal below.
5. cholesterin liquid-crystal display structure according to claim 1, wherein this white light cholesterol liquid crystal is the combination that is added light initiator by cholesterol liquid crystal and high polymer monomer.
6. cholesterin liquid-crystal display structure according to claim 1, wherein this curtain wall structure is one or more combinations wherein of organic material, inorganic material and macromolecular material.
7. cholesterin liquid-crystal display structure according to claim 1, wherein this curtain wall structure is to print or the light lithography that exposes to the sun takes shape between this lower electrode and the upper electrode.
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| CN 201010139687 CN102193257B (en) | 2010-03-17 | 2010-03-17 | Cholesterol liquid crystal display structure |
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| CN 201010139687 CN102193257B (en) | 2010-03-17 | 2010-03-17 | Cholesterol liquid crystal display structure |
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| CN102193257B true CN102193257B (en) | 2013-09-18 |
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| CN103176301A (en) * | 2011-12-21 | 2013-06-26 | 东莞万士达液晶显示器有限公司 | Reflective-type liquid crystal display device and manufacturing method thereof |
| RU2705440C1 (en) * | 2015-10-02 | 2019-11-07 | Эптив Текнолоджиз Лимитед | Method and system for making color filter offsets to reduce moiré interference in a display system including a plurality of displays |
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| CN100351677C (en) * | 2004-01-08 | 2007-11-28 | 电子科技大学 | Liquid crystal display device containing nano polymer network and its manufacturing method |
| CN100432774C (en) * | 2005-08-15 | 2008-11-12 | 中华映管股份有限公司 | Semitransparent and half- reflective liquid crystal display |
| JP2007219403A (en) * | 2006-02-20 | 2007-08-30 | Nanox Corp | Reflection type color liquid crystal display device and its manufacturing method |
| CN101148591B (en) * | 2007-10-16 | 2011-05-04 | 北京科技大学 | Method for preparing liquid crystal thin film material with controllable reflection bandwidth |
| JP2010039038A (en) * | 2008-08-01 | 2010-02-18 | Fujitsu Ltd | Display device |
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