CN101017257A - Wide angle liquid crystal display and method thereof for producing effect of wide angle - Google Patents
Wide angle liquid crystal display and method thereof for producing effect of wide angle Download PDFInfo
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- CN101017257A CN101017257A CN 200610003532 CN200610003532A CN101017257A CN 101017257 A CN101017257 A CN 101017257A CN 200610003532 CN200610003532 CN 200610003532 CN 200610003532 A CN200610003532 A CN 200610003532A CN 101017257 A CN101017257 A CN 101017257A
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Abstract
This invention provides one wide vision angle LCD display and its generation method, which comprises the following steps: adding nanometer conductive particles in one LCD layers; exerting drive voltage onto the LCD display and generating uneven electric field in the LCD layer due to the nanometer conductive particles torque field to make the molecule in multiple directions.
Description
Technical field
The invention relates to a kind of liquid crystal indicator, particularly relevant for a kind of wide viewing angle liquid crystal display device.
Background technology
(Liquid Crystal Display LCD) has become popular display module to LCD, yet the research of many variety classes display techniques is still being carried out.Conventional liquid crystal has the birth defects of visual angle deficiency, along with the requirement of consumer to high quality displayer, and the main flow trend that wide-angle liquid crystal display has become research and made.Outside subsides compensate film improves dark attitude light leak, under the bright attitude of added electric field, for making the liquid crystal oblique arrangement have the optics symmetry to promote effect of wide angle, some for example reach the wide viewing angle method: multiple domain is cut apart homeotropic alignment orientation (Multi-Domains Vertical Alignment, MVA) type, lateral electric-field type (In-Plane Switching, IPS) and the fringe field type (Fringe FieldSwitching FFS) etc., is suggested and puts into practice.
In nearer enhancement wide viewing angle design, all need additionally to use multiple tracks gold-tinted preparation technology to make raised structures (protrusion) or patterned electrodes (pattemed electrodes), cause the liquid crystal oblique arrangement to have the optics symmetry to promote effect of wide angle, as shown in Figure 3 and Figure 4.
Fig. 3 is that traditional multiple domain is cut apart homeotropic alignment alignment type liquid crystal display device structural section synoptic diagram.This kind LCD is the raised structures 101 that utilizes on two plate bases (substrate) 100a and 100b up and down, or claims projection (bump), forms the pre-dumping effect that liquid crystal 102 is arranged; Further use the dielectric coefficient of the dielectric coefficient of projection material again, reach multiple domain and cut apart design, significantly to improve the effect of wide angle of bright state less than liquid crystal 102.On the preparation technology, bump pitch needs to be difficult for that less than 30 microns (μ m) high aperture is arranged.
Fig. 4 is another structural section synoptic diagram that traditional multiple domain is cut apart the homeotropic alignment alignment type liquid crystal display device.This kind LCD is pattern-making indium tin oxide (ITO) electrode 103 on up and down two plate base 100a and 100b, and is staggered upright to hyte.Drive the pre-dumping direction of liquid crystal molecule in fringe field mode 104, simplify preparation technology and form multiple domain and cuts apart, and add and revolve optical activity material (chiralreagent) and improve transmittance.
In the 1999's, the technology that multiple domain is cut apart the homeotropic alignment orientation only needs to do projection at last plate base, does the indium tin oxide etching at following plate base, simplifies on the preparation technology, and aperture opening ratio also improves.After more have with the existing preparation technology of colored filter, with RGB (RGB) three look superpositions, and, on preparation technology, more simplify, and improve contrast as gap (spacer) design.
Yet above-mentioned technology, need additionally use multiple tracks gold-tinted preparation technology makes raised structures 101 or increases step of preparation process and come pattern-making indium tin oxide (ITO) electrode 103, in order to reaching wide-visual angle effect, in view of this, a kind of simple and easy and effective wide-angle liquid crystal display and LCD produce the method for effect of wide angle promptly in response to generation.
Summary of the invention
The object of the present invention is to provide the method for a kind of wide-angle liquid crystal display and generation effect of wide angle thereof.
For achieving the above object, wide-angle liquid crystal display provided by the invention, it comprises:
-the first substrate;
-the second substrate;
-the first electrode layer is formed on this first substrate;
-the second electrode lay is formed on this second substrate and relative this first electrode layer; And
-liquid crystal layer, be formed between this first electrode layer and this second electrode lay, be added with the conducting particles of a predetermined content in this liquid crystal layer, so that when applying a voltage to this first electrode layer and this second electrode lay, in this liquid crystal layer, produce the heterogeneity electric field by these conducting particless.
The method of generation effect of wide angle provided by the invention, this method via the conducting particles that adds a predetermined content in a liquid crystal layer so that when apply driving voltage in this liquid crystal layer, by these conducting particless in this liquid crystal layer midfield generation heterogeneity electric field.
Preferably, these conducting particles particle diameters of the present invention are not more than 200 millimicrons (nm).
Preferably, these conducting particles content of the present invention are no more than 10% of this liquid crystal layer gross weight.
Preferably, these conducting particles content of the present invention are no more than 10% of this liquid crystal layer gross weight.
Preferably, this liquid crystal layer of the present invention comprises the negative type liquid crystal molecule.
Preferably, these conducting particless of the present invention are formed by solid conductive material.
Preferably, these conducting particless of the present invention are formed by the outer conductive layer that coats of an insulation material.
Preferably, the effect of wide angle of wide-angle liquid crystal display of the present invention reaches optimization via the density that these conducting particless disperse.
The present invention utilizes the conducting particles that inserts in the liquid crystal layer to reach effect of wide angle, step of preparation process is simple, be easy to reach, can solve and additionally to use multiple tracks gold-tinted preparation technology and make raised structures or increase step of preparation process and come the pattern-making indium-tin oxide electrode in order to the problem that reaches effect of wide angle.The present invention can reduce the cost of manufacture of LCD and improve fine ratio of product.
Description of drawings
Fig. 1 is a wide-angle liquid crystal display structural section synoptic diagram of the present invention.
Fig. 2 A is a conducting particles diagrammatic cross-section of the present invention.
Fig. 2 B is the another kind of conducting particles diagrammatic cross-section of the present invention.
Fig. 3 is cut apart homeotropic alignment alignment type liquid crystal display device structural section synoptic diagram for traditional multiple domain.
Fig. 4 is cut apart another structural section synoptic diagram of homeotropic alignment alignment type liquid crystal display device for traditional multiple domain.
Embodiment
A kind of wide-angle liquid crystal display provided by the invention, mainly comprise one first substrate, second substrate of one corresponding first substrate below, be provided with at first upper surface of base plate one first electrode layer is set on one first blooming and the lower surface, one the second electrode lay and lower surface are set on the upper surface of second substrate one second blooming is set, and correspond to first electrode layer on first substrate, one first both alignment layers is set below this first electrode layer, one second both alignment layers is set above this second electrode lay, and between this first both alignment layers and this second both alignment layers, form a liquid crystal layer, be added with nano conducting powders (conductive nanoparticles) in this liquid crystal layer, make when applying driving voltage in this first electrode layer and this second electrode lay, be scattered in this liquid crystal layer by these nano conducting powderses, produce electric field distorting, and then twist equipotential line (equal potential lines) in this liquid crystal layer, when making liquid crystal molecule along these equipotential lines arrangements, present multidirectional arrangement mode, cause liquid crystal molecule in this liquid crystal layer, to have multiple pitch angle, and then increase the visual angle of LCD of the present invention.
The method of wide-angle liquid crystal display of the present invention and generation effect of wide angle thereof will be described in detail as follows by following specific embodiment conjunction with figs..
See also Fig. 1, be wide-angle liquid crystal display structural section synoptic diagram of the present invention, this wide-angle liquid crystal display mainly comprises one first substrate 200a, with one second substrate 200b, this second substrate 200b is with respect to the below of this first substrate 200a, and one first blooming 206a is set the upper surface of this first substrate 200a and lower surface is provided with one first electrode layer 201a, and the upper surface of this second substrate 200b is provided with a second electrode lay 201b and lower surface is provided with one second blooming 206b, below this first electrode layer 201a, one first both alignment layers 207a is set, one second both alignment layers 207b is set above this second electrode lay 201b, have a liquid crystal layer 202 between this first substrate 200a and the second substrate 200b, have the conducting particles 204 of liquid crystal molecule 203 and predetermined content in this liquid crystal layer 202.
When applying driving voltage in this first electrode layer 201a and this second electrode lay 201b, in this liquid crystal layer 202 around these conducting particless 204 electric field be subjected to the influence of these conducting particless 204 and be twisted, and in this liquid crystal layer 202, cause the heterogeneity electric field, equipotential line 205 in this liquid crystal layer 202 thereby twisted, when making liquid crystal molecule 203, present multiple different vergence direction along these equipotential lines 205 arrangements.Along with these liquid crystal molecules 203 have multiple different pitch angle in this liquid crystal layer 202, and then can increase the visual angle of this LCD, make this LCD that wide-visual angle effect can be provided.
This liquid crystal molecule 203 belongs to negative type liquid crystal molecules, this conducting particles that is added into this liquid crystal layer 202 can be solid conducting particles 204 or with an insulation material 204a " outer one deck conductive layer 204a ' that coats, respectively shown in Fig. 2 A and Fig. 2 B.These conducting particles 204 its particle diameters in this liquid crystal layer 202 can not be excessive and content can not be too high, in order to avoid cause the first electrode layer 201a and the second electrode lay 201b short circuit.These conducting particles 204 particle size are preferable to be not more than 200 millimicrons (nm), and it is distributed in preferable 10% of these liquid crystal layer 202 gross weights that are no more than of content in this liquid crystal layer 202.The effect of wide angle of LCD of the present invention can reach optimization via the density that these conducting particless 204 disperse.
The present invention provides a kind of LCD to produce the method for effect of wide angle in addition, this method is via adding an amount of conducting particles 204 in a liquid crystal layer 202, so that when applying driving voltage in this liquid crystal layer 202, electric field in this liquid crystal layer 202 is twisted because of the influence of conducting particles 204, and then makes that the equipotential line 205 in this liquid crystal layer 202 is twisted.These liquid crystal molecules 203 in this liquid crystal layer 202 are arranged along these equipotential lines 205, and present multiple different angle of inclination, and then can reach the effect of augmentation display viewing angles.
The present invention also can use the known attached alignment film that is affixed on the blooming in the liquid crystal display substrate outside and is attached at the liquid crystal display substrate inboard to reach better effect in the lump.LCD of the present invention does not need additionally to use multiple tracks gold-tinted preparation technology to make raised structures or increases step of preparation process makes special electrode in order to reaching effect of wide angle, can obtain under the lifting in manufacturing cost reduction and production yield, the present invention is a kind of simple and easy and effective wide-angle liquid crystal display and the method that produces effect of wide angle in fact.
The above is specific embodiments of the invention only, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the claim of application.
Claims (16)
1. wide-angle liquid crystal display, it comprises:
One first substrate;
One second substrate;
One first electrode layer is formed on this first substrate;
One the second electrode lay is formed on this second substrate and relative this first electrode layer; And
One liquid crystal layer, be formed between this first electrode layer and this second electrode lay, be added with the conducting particles of a predetermined content in this liquid crystal layer, so that when applying a voltage to this first electrode layer and this second electrode lay, in this liquid crystal layer, produce the heterogeneity electric field by these conducting particless.
2. wide-angle liquid crystal display as claimed in claim 1 is characterized in that, wherein these conducting particles particle diameters are not more than 200 millimicrons.
3. wide-angle liquid crystal display as claimed in claim 1 is characterized in that, wherein these conducting particles content are no more than 10% of this liquid crystal layer gross weight.
4. wide-angle liquid crystal display as claimed in claim 2 is characterized in that, wherein these conducting particles content are no more than 10% of this liquid crystal layer gross weight.
5. wide-angle liquid crystal display as claimed in claim 1 is characterized in that wherein this liquid crystal layer comprises the negative type liquid crystal molecule.
6. wide-angle liquid crystal display as claimed in claim 1 is characterized in that wherein these conducting particless are formed by solid conductive material.
7. wide-angle liquid crystal display as claimed in claim 1 is characterized in that, wherein these conducting particless are formed by the outer conductive layer that coats of an insulation material.
8. wide-angle liquid crystal display as claimed in claim 1 is characterized in that, wherein the effect of wide angle of this wide-angle liquid crystal display reaches optimization via the density that these conducting particless disperse.
9. a LCD produces the method for effect of wide angle, this method via the conducting particles that adds a predetermined content in a liquid crystal layer, so that when applying driving voltage, produce the heterogeneity electric field in this liquid crystal layer midfield by these conducting particless in this liquid crystal layer.
10. LCD as claimed in claim 9 produces the method for effect of wide angle, it is characterized in that wherein these conducting particles particle diameters are not more than 200 millimicrons.
11. LCD as claimed in claim 9 produces the method for effect of wide angle, it is characterized in that wherein these conducting particles content are no more than 10% of this liquid crystal layer gross weight.
12. LCD as claimed in claim 10 produces the method for effect of wide angle, it is characterized in that wherein these conducting particles content are no more than 10% of this liquid crystal layer gross weight.
13. LCD as claimed in claim 9 produces the method for effect of wide angle, it is characterized in that wherein this liquid crystal layer comprises the negative type liquid crystal molecule.
14. LCD as claimed in claim 9 produces the method for effect of wide angle, it is characterized in that wherein these conducting particless are formed by solid conductive material.
15. LCD as claimed in claim 9 produces the method for effect of wide angle, it is characterized in that, wherein these conducting particless are formed by the outer conductive layer that coats of an insulation material.
16. wide-angle liquid crystal display as claimed in claim 9 is characterized in that, wherein the effect of wide angle of this wide-angle liquid crystal display reaches optimization via the density that these conducting particless disperse.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610003532 CN101017257A (en) | 2006-02-09 | 2006-02-09 | Wide angle liquid crystal display and method thereof for producing effect of wide angle |
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| CN 200610003532 CN101017257A (en) | 2006-02-09 | 2006-02-09 | Wide angle liquid crystal display and method thereof for producing effect of wide angle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645777A (en) * | 2011-12-13 | 2012-08-22 | 北京京东方光电科技有限公司 | Liquid crystal panel manufacturing method, liquid crystal panel and display |
| CN103472611A (en) * | 2013-09-05 | 2013-12-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, and manufacturing method and display device of liquid crystal display panel |
| CN103909693A (en) * | 2014-03-24 | 2014-07-09 | 昆山锦悦电子有限公司 | Novel LCD protective film |
| CN102645777B (en) * | 2011-12-13 | 2016-12-14 | 北京京东方光电科技有限公司 | A kind of liquid crystal panel manufacture method, liquid crystal panel and display |
-
2006
- 2006-02-09 CN CN 200610003532 patent/CN101017257A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645777A (en) * | 2011-12-13 | 2012-08-22 | 北京京东方光电科技有限公司 | Liquid crystal panel manufacturing method, liquid crystal panel and display |
| CN102645777B (en) * | 2011-12-13 | 2016-12-14 | 北京京东方光电科技有限公司 | A kind of liquid crystal panel manufacture method, liquid crystal panel and display |
| CN103472611A (en) * | 2013-09-05 | 2013-12-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, and manufacturing method and display device of liquid crystal display panel |
| CN103472611B (en) * | 2013-09-05 | 2016-05-25 | 京东方科技集团股份有限公司 | A kind of display panels and preparation method thereof, display unit |
| CN103909693A (en) * | 2014-03-24 | 2014-07-09 | 昆山锦悦电子有限公司 | Novel LCD protective film |
| CN103909693B (en) * | 2014-03-24 | 2016-04-06 | 昆山锦悦电子有限公司 | A kind of LCD diaphragm |
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