CN102162952A - Full-color cholesteric liquid crystal electronic paper - Google Patents
Full-color cholesteric liquid crystal electronic paper Download PDFInfo
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- CN102162952A CN102162952A CN2011101115140A CN201110111514A CN102162952A CN 102162952 A CN102162952 A CN 102162952A CN 2011101115140 A CN2011101115140 A CN 2011101115140A CN 201110111514 A CN201110111514 A CN 201110111514A CN 102162952 A CN102162952 A CN 102162952A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
- G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
- G02F2201/343—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector cholesteric liquid crystal reflector
Abstract
The invention provides full-color cholesteric liquid crystal electronic paper. The full-color cholesteric liquid crystal electronic paper comprises three liquid crystal boxes formed by vertically overlapping four layers of substrates, cholesteric liquid crystal layers capable of reflecting red, green and blue light, and a light shield layer for shielding the light leakage of a non-display area so as to obviate the negative influences of the light leakage of the non-display area on the contrast and the brightness of the display area, wherein the cholesteric liquid crystal layers are respectively packaged in the three liquid crystal boxes; a substrate electrode adopting the combination of a metal electrode and a transparent electrode can reduce the lead resistance; and a light absorption layer is built in the electronic paper to ensure that the incident light from the substrate electrode can be absorbed completely by the light absorption layer. On the premise of saving the cost and reducing the thickness, the full-color cholesteric liquid crystal electronic paper provided by the invention can achieve high-contrast and high-brightness display by increasing the transmittance and reducing the reflectance, and can obviate the poor display effect caused by the external mechanical force. The invention provides an excellent structure support for the large-size manufacture of the full-color liquid crystal electronic paper and the improvement on the display performance of the full-color cholesteric liquid crystal electronic paper.
Description
Technical field
The present invention relates to a kind of Electronic Paper, relate in particular to a kind of full color cholesteryl liquid crystal Electronic Paper.
Background technology
Because list/double-colored Electronic Paper can't color display, its application has limitation, and present full color electronic paper technology is the R﹠D direction of numerous manufacturers.
The cholesteryl liquid crystal Electronic Paper is owing to have low-power consumption, response speed is fast, production cost is low advantage, and the advantage that especially possesses skills on colour shows is considered to following 10 years topmost a kind of Electronic Paper production technologies.
Full color cholesteryl liquid crystal Electronic Paper adopts the lamination demonstration to reach full color demonstration purpose, the principle of this technical scheme is as follows: cholesteric liquid crystal material has unique light reflection selectivity characteristic, the ratio difference of cholesteryl liquid crystal, select the optical wavelength of reflection also different, can realize the light of three kinds of wavelength of reflection red, green, blue by selecting suitable material.The basic structure of cholesteryl liquid crystal Electronic Paper pixel and colored displaying principle: the cholesteryl liquid crystal Electronic Paper is a sandwich construction, each pixel is piled up formation by 3 layers that can reflect " blue-green-red " respectively, bottom is a light absorbing zone, and every layer material all is in the interlayer of two transparency electrodes.When driving voltage is loaded into the electrode in 3 reflection horizon respectively, each reflection horizon is to the corresponding change of reflectivity of 3 kinds of primary lights in the surround lighting, the primary lights of 3 kinds of suitable intensity that reflected just can be mixed into certain required color according to the colour mixture rule, thereby realize colored the demonstration.
The full color cholesteric Electronic Paper of prior art is formed three liquid crystal cells by the stack of six laminar substrates, the cholesteric liquid crystal layers that can reflect three kinds of light of red, green, blue is packaged in respectively in described three liquid crystal cells, form first cholesteric liquid crystal layers, second cholesteric liquid crystal layers, the 3rd cholesteric liquid crystal layers, the equal both sides up and down of each liquid crystal layer are all with vertical alignment layer, the both sides of vertical alignment layer are electrode of substrate, light-absorption layer is attached to the outside surface of orlop substrate, and the display part of electrode of substrate and lead portion adopt and adopt ito transparent electrode usually.
The full color cholesteryl liquid crystal Electronic Paper of prior art has following advantage: can carry out high pixel and show on unit area, improve the sharpness and the brightness of Electronic Paper, owing to there is not the distribution of sub-pixel, can save the distribution area about 2/3.
Weak point is: multilayer is used substrate, cost height; The electrode of substrate of prior art all adopts ito transparent electrode, and ito transparent electrode is thin more, and side's resistance is also big more, reflectivity is low more, transmissivity is high more, shows that contrast and brightness are high more, in order to obtain higher demonstration contrast and brightness, need to use thin ito thin film, but the resistance of electrode side will increase, and this will make lead resistance increase, when raising of cholesteryl liquid crystal Electronic Paper resolution or display area increase, can be excessive owing to lead resistance, and be difficult to satisfy the driving requirement.So the cholesteryl liquid crystal Electronic Paper of prior art, when display size was more than 10 inches, contrast can significantly descend; Contrast is subject to mechanical external force or stray light cross talk effects.
Display brightness, contrast and display size are the key factors of decision Electronic Paper readability, improve the contrast and the brightness of prior art full color cholesteryl liquid crystal Electronic Paper and reduce production costs, and will be the keys that can the cholesteryl liquid crystal Electronic Paper widespread use.
Summary of the invention
In view of this, the invention provides a kind of full color cholesteryl liquid crystal Electronic Paper, this cholesteryl liquid crystal Electronic Paper compared with prior art can save material cost, reduce product thickness, has higher contrast ratio and brightness.
To achieve these goals, the present invention adopts following technical scheme:
A kind of full color cholesteryl liquid crystal Electronic Paper comprises three liquid crystal cells, multilager base plate electrode, multilayer vertical alignment layer, light-absorption layer, the cholesteric liquid crystal layers that can reflect three kinds of light of red, green, blue, wherein: the cholesteric liquid crystal layers that can reflect three kinds of light of red, green, blue is packaged in respectively in described three liquid crystal cells, form first cholesteric liquid crystal layers, second cholesteric liquid crystal layers, the 3rd cholesteric liquid crystal layers, each layer of described multilager base plate electrode includes display part and lead portion, it is characterized in that:
Described full color cholesteryl liquid crystal Electronic Paper also comprises light shield layer; Described multilager base plate comprises: first substrate, second substrate, the 3rd substrate, tetrabasal, and described first substrate comprises viewing area and non-display area; Described multilayer vertical alignment layer comprises first vertical alignment layer, second vertical alignment layer, the 3rd vertical alignment layer, the 4th vertical alignment layer, the 5th vertical alignment layer, the straight alignment films of sextuple; Described multilager base plate electrode comprises: first electrode of substrate, second electrode of substrate, the 3rd electrode of substrate, tetrabasal electrode, the 5th electrode of substrate, the 6th electrode of substrate; Wherein:
Described first substrate, second substrate, the 3rd substrate, the vertical stack of tetrabasal surround described three liquid crystal cells;
Described first vertical alignment layer and described second vertical alignment layer are adjacent with described first liquid crystal layer respectively, described the 3rd vertical alignment layer and described the 4th vertical alignment layer are adjacent with described second liquid crystal layer respectively, and described the 5th vertical alignment layer and the straight alignment films of described sextuple are adjacent with described the 3rd liquid crystal layer respectively;
Described second electrode of substrate is adjacent with described second vertical alignment layer; Described the 3rd electrode of substrate is adjacent with described the 3rd vertical alignment layer; Described tetrabasal electrode is adjacent with described the 4th vertical alignment layer; Described the 5th electrode of substrate is adjacent with described the 5th vertical alignment layer; Described the 6th electrode of substrate is adjacent with the straight alignment films of described sextuple; Described first electrode of substrate is between described first substrate downside and the described first vertical alignment layer upside, and described light shield layer is attached to described first substrate or described first electrode of substrate; Described light shield layer only covers the non-display area of described first substrate; Described light-absorption layer is attached to described the 6th electrode of substrate; Transparency electrode is adopted in the display part of described multilager base plate electrode, the lead portion of described multilager base plate electrode or all adopt metal electrode, and described metal electrode is electrically connected with described transparency electrode.
Preferably, described light shield layer adopts photochromics or ink material, and described light shield layer color is a black, and the thickness of described light shield layer is 0.1～10 μ m.
Preferably, described metal electrode materials used is an aluminium, or aluminium and nickel alloy, or aluminium and molybdenum alloy, and the thickness of described metal electrode is 50 dusts～3000 dusts.
Preferably, ito transparent electrode is adopted in the display part of described multilager base plate electrode, and side's resistance of described ito transparent electrode is greater than 150 Ω/.
The beneficial effect of full color cholesteryl liquid crystal Electronic Paper provided by the invention is as follows:
Full color cholesteryl liquid crystal Electronic Paper provided by the invention has compared with prior art reduced two-layer substrate, thereby can reduce thickness, saves cost, increases transmitance, reduces the overall reflectivity of liquid crystal electron paper.
The lead portion of the electrode of substrate of full color cholesteryl liquid crystal Electronic Paper provided by the invention or all adopt metal electrode, the lead resistance of entire electrode is dropped to several ohm numbers of poles even littler, make the transparency electrode of the viewing area ito transparent electrode that the user hinders greatly, transmissivity is high, reflectivity is low of having an opportunity, thus the contrast and the brightness that have improved the cholesteryl liquid crystal Electronic Paper.The use of metal electrode declines to a great extent the lead resistance of entire electrode, solved the driving capacitance-resistance problem of display size more than 10 inches, cholesteryl liquid crystal Electronic Paper provided by the invention can carry out showing more than 10 inches under the prerequisite that guarantees high brightness and high-contrast.
Full color cholesteryl liquid crystal Electronic Paper provided by the invention increases light shield layer at the inside surface of first substrate, can shield the non-display area light leak fully, can avoid of the negative effect of non-display area light leak to viewing area contrast and brightness, thereby improved the contrast and the brightness of viewing area, improved display effect.
Full color cholesteryl liquid crystal Electronic Paper provided by the invention is positioned over the tetrabasal inboard with light-absorption layer, can reduce the distance of light-absorption layer and display pixel, the incident light that sees through the metacoxal plate electrode is absorbed by light-absorption layer fully, avoid the scouring effect that light causes pixel that do not absorb of few pixel self or neighborhood pixels, thereby improve display brightness and contrast.
The present invention will provide a good structural support for the large scale manufacturing of full color liquid crystal electron paper and the display performance that improves full-colorization cholesteryl liquid crystal Electronic Paper
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the full color cholesteryl liquid crystal Electronic Paper that provides of embodiment one.
Fig. 2 is the structural representation of the light shield layer of the full color cholesteryl liquid crystal Electronic Paper that provides of embodiment one.
Fig. 3 is the structural representation of full color cholesteryl liquid crystal Electronic Paper first electrode of substrate that provides of embodiment one and the stack of second electrode of substrate.
Fig. 4 is the one-piece construction synoptic diagram of the full color cholesteryl liquid crystal Electronic Paper that provides of embodiment two.
Fig. 5 is the structural representation of full color cholesteryl liquid crystal Electronic Paper first electrode of substrate that provides of embodiment two and the stack of second electrode of substrate.
Fig. 6 is the one-piece construction synoptic diagram of the full color cholesteryl liquid crystal Electronic Paper that provides of embodiment three.
1,1 ', 1 ": first substrate; 2,2 ', 2 ": second substrate;
3,3 ', 3 ": the 3rd substrate; 4,4 ', 4 ": tetrabasal;
5,5 ', 5 ": light shield layer; 6,6 ', 6 ": light-absorption layer;
7,7 ', 7 ": first vertical alignment layer; 8,8 ', 8 ": second vertical alignment layer;
9,9 ', 9 ": the 3rd vertical alignment layer; 10,10 ', 10 ": the 4th vertical alignment layer;
11,11 ', 11 ": the 5th vertical alignment layer; 12,12 ', 12 ": the straight alignment films of sextuple;
13,13 ', 13 ": first electrode of substrate; 14,14 ', 14 ": second electrode of substrate;
15,15 ', 15 ": the 3rd electrode of substrate; 16,16 ', 16 ": the tetrabasal electrode;
17,17 ', 17 ": the 5th electrode of substrate; 18,18 ', 18 ": the 6th electrode of substrate;
19,19 ', 19 ": first liquid crystal layer; 20,20 ', 20 ": second liquid crystal layer;
21,21 ', 12 ": the 3rd liquid crystal layer; A, a ', a ": transparency electrode;
B, b ', b ": metal electrode;
Specific embodiment
For those skilled in the art being understood better and realizing the present invention the specific embodiment of the present invention being described in detail below in conjunction with the drawings and specific embodiments, protection scope of the present invention is not limited to the described scope of specific embodiment.
Embodiment one
As shown in Figure 1, the full color cholesteryl liquid crystal Electronic Paper general structure that present embodiment provides is to form three liquid crystal cells by first substrate 1, second substrate 2, the 3rd substrate 3, tetrabasal 4 stacks, its inside is equipped with the liquid crystal layer that can reflect three kinds of light of red, green, blue respectively, i.e. first liquid crystal layer 19, second liquid crystal layer, 20, the three liquid crystal layers 21; First vertical alignment layer 7 and second vertical alignment layer 8 are adjacent with first liquid crystal layer 19 respectively; The 3rd vertical alignment layer 9 and the 4th vertical alignment layer 10 are adjacent with second liquid crystal layer 20 respectively; The 5th vertical alignment layer 11 is adjacent with the 3rd liquid crystal layer 21 respectively with the straight alignment films 12 of sextuple.
Second electrode of substrate 14 is adjacent with second vertical alignment layer 8; The 3rd electrode of substrate 15 is adjacent with the 3rd vertical alignment layer 9; Tetrabasal electrode 16 is adjacent with the 4th vertical alignment layer 10; The 5th electrode of substrate 17 is adjacent with the 5th vertical alignment layer 11.
First electrode of substrate 13 is adjacent with first substrate 1 with first vertical alignment layer 7 respectively, and light shield layer 5 is coated on the upper surface of first substrate 1.
As shown in Figure 2, light shield layer 5 only covers the non-display area of first substrate 1, the viewing area 101 of first substrate 1 is not covered by light shield layer 5, light shield layer 5 can use photoetching process to form the photochromics of pattern, can also use print process to form the ink material of pattern, the thickness of light shield layer 5 can be between 0.1 to 10um.
As shown in Figure 1, light-absorption layer 6 is attached to the 6th electrode of substrate 18 and is close to the straight alignment films 12 of sextuple.
First electrode of substrate 13 is for driving the COM electrode of first liquid crystal layer, second electrode of substrate 14 is for driving the SEG electrode of first liquid crystal layer, as shown in Figure 3, the display part 131 of first electrode of substrate 13 and the display part 141 of second electrode of substrate 14, adopt transparency electrode a, the lead portion 132 of first electrode of substrate 13 and the lead portion of second electrode of substrate 14 142 all adopt metal electrode b, in order to realize being electrically connected of metal electrode b and transparency electrode a, metal electrode b contacts with the outer rim of transparency electrode a is overlapping, metal electrode b be overlapped in transparency electrode a below.Need to prove, metal electrode b be overlapped in transparency electrode a top or following all can, the material of transparency electrode a is the TTO film, side resistance is 150 Ω/, the material of metal electrode b is an aluminium, the thickness of metal electrode is 900 dusts.
The 3rd electrode of substrate 15 is for driving the COM electrode of second liquid crystal layer, tetrabasal electrode 16 is for driving the SEG electrode of second liquid crystal layer, the structure of the 3rd electrode of substrate 15 and tetrabasal electrode 16 and material are identical with second electrode of substrate 14 with first electrode of substrate 13, do not repeat them here.
The 5th electrode of substrate 17 is for driving the COM electrode of the 3rd liquid crystal layer, the 6th electrode of substrate 18 is for driving the SEG electrode of the 3rd liquid crystal layer, the structure of the 5th electrode of substrate 17 and the 6th electrode of substrate 18 and material are identical with second electrode of substrate 14 with first electrode of substrate 13, do not repeat them here.
Embodiment two
Fig. 4 is the structural representation of the full color cholesteryl liquid crystal Electronic Paper that provides of present embodiment, for fear of giving unnecessary details, mainly describes difference with embodiment one at this.
The light shield layer 5 of the full color cholesteryl liquid crystal Electronic Paper that present embodiment provides ' be coated on first electrode of substrate 13 ' lower surface, and preceding first vertical alignment layer 7 of next-door neighbour ', the light shield layer 5 of present embodiment ' structure identical with embodiment one, light shield layer 5 ' only cover first substrate 1 ' non-display area, do not cover the viewing area, light shield layer 5 ' thickness be 0.1um.
The light-absorption layer 6 of present embodiment ' be attached to the 6th electrode of substrate 18 ' and with tetrabasal 4 ' adjacent.
First electrode of substrate 13 ' for driving the COM electrode of first liquid crystal layer, second electrode of substrate 14 ' for driving the SEG electrode of first liquid crystal layer, as shown in Figure 5, the first electrode of substrate electrode 13 ' display part 131 ' and second electrode of substrate 14 ' display part 141 ', adopt transparency electrode a ', the first electrode of substrate electrode 13 ' lead portion 132 ' and second electrode of substrate 14 ' lead portion 142 ' combining by metal electrode b ' and transparency electrode a ', in order to realize being electrically connected of metal electrode b ' and transparency electrode a ', metal electrode b ' is overlapped in above the transparency electrode a '.Need to prove, metal electrode b ' be overlapped in transparency electrode a ' top or following all can, the material of transparency electrode a ' is an ito thin film, side resistance is 200 Ω/, the material of metal electrode b ' is aluminium and nickel alloy, the thickness of metal electrode is 50 dusts.
Embodiment three
As shown in Figure 6, cholesteryl liquid crystal Electronic Paper that present embodiment provides and the difference of embodiment two are: light shield layer 5 " is coated on first electrode of substrate 13 " surface, the structure of "; present embodiment light shield layer 5 " is identical with embodiment two and to be close to first substrate 1, the non-display area that light shield layer 5 " only covers first substrate 1 ", light shield layer 5 " thickness be 10um.
Need to prove, the thickness of the light shield layer of full color cholesteryl liquid crystal Electronic Paper provided by the invention is in 0.1um～10um scope, the square resistance of transparency electrode should be greater than 150 Ω/, the thickness of metal electrode is in 50 dusts～3000 dust scopes, the material of metal electrode can be aluminium or aluminium and nickel alloy, or aluminium and molybdenum alloy, the width of metal electrode decides according to the size of display pixel or display graphics, display pixel or display graphics are big more, the width of metal electrode is wide more, its width is little of several microns, and is big to the millimeter utmost point.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within change of the present invention and changing, any modification of being made, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a full color cholesteryl liquid crystal Electronic Paper comprises three liquid crystal cells, multilager base plate electrode, multilayer vertical alignment layer, light-absorption layer, the cholesteric liquid crystal layers that can reflect three kinds of light of red, green, blue, wherein: the cholesteric liquid crystal layers that can reflect three kinds of light of red, green, blue is packaged in respectively in described three liquid crystal cells, form first cholesteric liquid crystal layers, second cholesteric liquid crystal layers, the 3rd cholesteric liquid crystal layers, each layer of described multilager base plate electrode includes display part and lead portion, it is characterized in that:
Described full color cholesteryl liquid crystal Electronic Paper also comprises light shield layer; Described multilager base plate comprises: first substrate, second substrate, the 3rd substrate, tetrabasal, and described first substrate comprises viewing area and non-display area; Described multilayer vertical alignment layer comprises first vertical alignment layer, second vertical alignment layer, the 3rd vertical alignment layer, the 4th vertical alignment layer, the 5th vertical alignment layer, the straight alignment films of sextuple; Described multilager base plate electrode comprises: first electrode of substrate, second electrode of substrate, the 3rd electrode of substrate, tetrabasal electrode, the 5th electrode of substrate, the 6th electrode of substrate; Wherein:
Described first substrate, second substrate, the 3rd substrate, the vertical stack of tetrabasal surround described three liquid crystal cells;
Described first vertical alignment layer and described second vertical alignment layer are adjacent with described first liquid crystal layer respectively, described the 3rd vertical alignment layer and described the 4th vertical alignment layer are adjacent with described second liquid crystal layer respectively, and described the 5th vertical alignment layer and the straight alignment films of described sextuple are adjacent with described the 3rd liquid crystal layer respectively;
Described second electrode of substrate is adjacent with described second vertical alignment layer; Described the 3rd electrode of substrate is adjacent with described the 3rd vertical alignment layer; Described tetrabasal electrode is adjacent with described the 4th vertical alignment layer; Described the 5th electrode of substrate is adjacent with described the 5th vertical alignment layer; Described the 6th electrode of substrate is adjacent with the straight alignment films of described sextuple; Described first electrode of substrate is between described first substrate downside and the described first vertical alignment layer upside, and described light shield layer is attached to described first substrate or described first electrode of substrate; Described light shield layer only covers the non-display area of described first substrate; Described light-absorption layer is attached to described the 6th electrode of substrate; Transparency electrode is adopted in the display part of described multilager base plate electrode, the lead portion of described multilager base plate electrode or all adopt metal electrode, and described metal electrode is electrically connected with described transparency electrode.
2. the described a kind of full color cholesteryl liquid crystal Electronic Paper of claim 1 is characterized in that: described light shield layer adopts photochromics or ink material, and described light shield layer color is a black, and the thickness of described light shield layer is 0.1～10 μ m.
3. the described a kind of full color cholesteryl liquid crystal Electronic Paper of claim 1, it is characterized in that: described metal electrode materials used is an aluminium, or aluminium and nickel alloy, or aluminium and molybdenum alloy, the thickness of described metal electrode is 50 dusts～3000 dusts.
4. the described a kind of full color cholesteryl liquid crystal Electronic Paper of claim 1 is characterized in that: ito transparent electrode is adopted in the display part of described multilager base plate electrode, and side's resistance of described ito transparent electrode is greater than 150 Ω/.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101115140A CN102162952A (en) | 2011-04-29 | 2011-04-29 | Full-color cholesteric liquid crystal electronic paper |
| PCT/CN2011/082495 WO2012146025A1 (en) | 2011-04-29 | 2011-11-20 | Full color cholesteric liquid crystal electronic paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101115140A CN102162952A (en) | 2011-04-29 | 2011-04-29 | Full-color cholesteric liquid crystal electronic paper |
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| CN102162952A true CN102162952A (en) | 2011-08-24 |
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| WO (1) | WO2012146025A1 (en) |
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| CN102591087A (en) * | 2012-03-14 | 2012-07-18 | 大连东方科脉电子有限公司 | 3D (three-dimensional) mixed-color electronic paper |
| WO2012146025A1 (en) * | 2011-04-29 | 2012-11-01 | 大连东方科脉电子有限公司 | Full color cholesteric liquid crystal electronic paper |
| CN105093519A (en) * | 2015-08-13 | 2015-11-25 | 信利半导体有限公司 | Electrowetting display panel, display device, and display panel display method |
| CN107045230A (en) * | 2017-04-18 | 2017-08-15 | 北京爱格信达科技有限公司 | A kind of 3D liquid crystal structures and its control method, movie theatre 3D systems |
| CN107728399A (en) * | 2017-11-06 | 2018-02-23 | 南京华日触控显示科技有限公司 | The color electric paper display screen and preparation method made using cholesteric liquid crystal |
| CN108037625A (en) * | 2018-01-31 | 2018-05-15 | 大连东方科脉电子股份有限公司 | A kind of color electronic paper display device of three layers of overlaying structure |
| CN110515246A (en) * | 2019-09-29 | 2019-11-29 | 福建捷联电子有限公司 | A kind of colorful liquid crystal display of stack cobasis plate |
| WO2021174579A1 (en) * | 2020-03-06 | 2021-09-10 | 珠海市绮光科技有限公司 | Variable multi-color liquid crystal light adjustment film |
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| WO2012146025A1 (en) * | 2011-04-29 | 2012-11-01 | 大连东方科脉电子有限公司 | Full color cholesteric liquid crystal electronic paper |
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| CN102591087B (en) * | 2012-03-14 | 2014-12-31 | 大连东方科脉电子有限公司 | 3D (three-dimensional) mixed-color electronic paper |
| CN105093519A (en) * | 2015-08-13 | 2015-11-25 | 信利半导体有限公司 | Electrowetting display panel, display device, and display panel display method |
| CN107045230A (en) * | 2017-04-18 | 2017-08-15 | 北京爱格信达科技有限公司 | A kind of 3D liquid crystal structures and its control method, movie theatre 3D systems |
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| CN108037625A (en) * | 2018-01-31 | 2018-05-15 | 大连东方科脉电子股份有限公司 | A kind of color electronic paper display device of three layers of overlaying structure |
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| CN110515246A (en) * | 2019-09-29 | 2019-11-29 | 福建捷联电子有限公司 | A kind of colorful liquid crystal display of stack cobasis plate |
| CN110515246B (en) * | 2019-09-29 | 2023-12-19 | 冠捷电子科技(福建)有限公司 | Multi-color liquid crystal display screen with stacked common substrate |
| WO2021174579A1 (en) * | 2020-03-06 | 2021-09-10 | 珠海市绮光科技有限公司 | Variable multi-color liquid crystal light adjustment film |
| CN113589574A (en) * | 2021-07-08 | 2021-11-02 | 福州大学 | Full-color car window display system |
| US11656493B1 (en) | 2021-12-23 | 2023-05-23 | Au Optronics Corporation | Display apparatus |
| CN116419598A (en) * | 2023-06-09 | 2023-07-11 | 惠科股份有限公司 | OLED structure and OLED display screen |
| CN116419598B (en) * | 2023-06-09 | 2023-09-19 | 惠科股份有限公司 | OLED structure and OLED display screen |
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| WO2012146025A1 (en) | 2012-11-01 |
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