CN103091908A - Electrode pattern, pixel distribution method and liquid crystal display - Google Patents
Electrode pattern, pixel distribution method and liquid crystal display Download PDFInfo
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- CN103091908A CN103091908A CN2011103559470A CN201110355947A CN103091908A CN 103091908 A CN103091908 A CN 103091908A CN 2011103559470 A CN2011103559470 A CN 2011103559470A CN 201110355947 A CN201110355947 A CN 201110355947A CN 103091908 A CN103091908 A CN 103091908A
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Abstract
The invention discloses an electrode pattern, a pixel distribution method and a liquid crystal display. The electrode pattern is applied to at least one substrate of a liquid crystal layer of the liquid crystal display and comprises a plurality of main branches. The main branches comprise a first main branch and a second main branch which are crossed with each other and a plurality of auxiliary branches, wherein at least one ends of the auxiliary branches are connected with either the first main branch or the second main branch, and the width of the first main branch and the second main branch is broadened gradually at the position approaching the cross point of the first main branch and the second main branch.
Description
[technical field]
The present invention is relevant for a kind of electrode pattern, picture element layout method and liquid crystal display, and is particularly to a kind ofly can to accelerate electrode pattern and picture element layout method that the liquid crystal molecule in liquid crystal layer in liquid crystal display goes to correct angle.
[background technology]
In liquid crystal display, when using the main shaft angle to be the upper polaroid of 90 ° and lower polaroid, can wish that liquid crystal molecule in the liquid crystal layer between two polaroids when swinging to the in-plane of liquid crystal layer, can go to suitable angle, to obtain the maximal value of bright attitude.The main shaft angle of above polaroid and lower polaroid is respectively 0 ° and 90 ° and is example, during bright attitude, can expect that liquid crystal molecule goes to 45 ° or 135 °, makes penetrance reach maximum.And in order to make liquid crystal molecule go to specific angle when voltage applies, a kind of layout type that utilizes the special electrodes pattern to control the liquid crystal molecule corner is arranged.
When controlling the layout type of liquid crystal molecule corner with the electrode of one patterned, can wish that liquid crystal molecule can promptly go to suitable angle, to obtain the maximal value of bright attitude.Yet the resultant direction that the reaction velocity of liquid crystal molecule can be subject to the electric field that the one patterned electrode provides affects.Therefore, the reaction velocity that speeds liquid crystal molecule by designing good electrode pattern is the display utmost point target wanting to reach now.
[summary of the invention]
The invention provides a kind of electrode pattern, be applied at least one substrate of liquid crystal layer in liquid crystal display, comprising: a plurality of major branches are done, and comprise that the 1st major branch is done and the 2nd major branch is done, and both intersect; And a plurality of limbs, at least one end of each time limb is connected in the 1st major branch and does with the 2nd major branch and one of do.The 1st major branch do the width done with the 2nd major branch along with near both intersection point and broadening.
In one embodiment of the invention, the 1st major branch is done the width system of doing with the 2nd major branch linearly along with near intersection point and broadening.
In one embodiment of the invention, do or the 2nd major branch is done toward this intersection point and seen along the 1st major branch, be parallel to that the 1st major branch is done or the straight line of the 2nd dried main shaft of major branch is not more than 10 ° with the angle that is parallel to the 1st major branch and does the straight line that increases with the 2nd dried border width of major branch.
In one embodiment of the invention, do or the 2nd major branch is done toward this intersection point and seen it along the 1st major branch, be parallel to that the 1st major branch is done or the straight line of the 2nd dried main shaft of major branch is not less than 1 ° with the angle that is parallel to the 1st major branch and does the straight line that increases with the 2nd dried border width of major branch.
In one embodiment of the invention, electrode pattern is applied to have a plurality of these electrode patterns with rectangular arrangement on each inner side plane on both inner side plane in opposite directions of upper and lower substrate simultaneously.Wherein the formed matrix dislocation of a plurality of electrode patterns on the inner side plane of the formed matrix of a plurality of electrode patterns on the inner side plane of upper substrate and infrabasal plate is relative, make when watching perpendicular to the direction of this upper and lower substrate, any this electrode pattern can be surrounded by a plurality of this electrode pattern on the substrate of subtend.
In one embodiment of the invention, the 1st major branch is done and dried the 1st to the 4th quadrant that marks off of the 2nd major branch, the end points that a plurality of limbs at the 1st to the 4th quadrant in any one extend out is arranged in a straight line, and wherein the shortest the most close the 1st major branch of inferior limb is done or the dried width of the 2nd major branch the narrowest position.
In one embodiment of the invention, a plurality of times limb is extended towards 45 °, 135 °, 225 °, 315 ° directions respectively at the 1st to the 4th quadrant.
In one embodiment of the invention, electrode pattern is the part that transparent electrode layer is dug up.
In addition, the invention provides a kind of picture element layout method, in liquid crystal display, the liquid crystal molecule in liquid crystal layer goes to correct angle in order to accelerate, and the electrode layer that is included in this liquid crystal display forms the electrode pattern of above-mentioned any embodiment.
The present invention also provides a kind of liquid crystal display, comprising: a upper substrate; One infrabasal plate; One liquid crystal layer is formed between upper and lower substrate; And an electrode pattern, be applied at least one of upper and lower substrate of liquid crystal layer, comprising: a plurality of major branches are done, and comprise that the 1st major branch is done with the 2nd major branch to do, and both intersect; And a plurality of limbs, at least one end of each time limb is connected in the 1st major branch and does with the 2nd major branch and one of do.The 1st major branch do the width done with the 2nd major branch along with near both intersection point and broadening.
[description of drawings]
Fig. 1 a shows that use is according to the top view of the electrode pattern of the upper substrate of the embodiment of the present invention.
Fig. 1 b shows that use is according to the top view of the electrode pattern of the infrabasal plate of the embodiment of the present invention.
Fig. 2 shows the top view after the electrode pattern of infrabasal plate of the electrode pattern of upper substrate of overlapping Fig. 1 a and Fig. 1 b.
Fig. 3 shows that corner cuts different in the electrode pattern of Fig. 2 is for the impact of reaction velocity.
[primary clustering symbol description]
The electrode pattern of 10～upper substrate;
The electrode pattern of 20～infrabasal plate;
11,12,21,22～major branch is done;
13,23～inferior limb;
A, A '～the 1st quadrant;
B, B '～the 2nd quadrant;
C, C '～the 3rd quadrant;
D, D '～the 4th quadrant;
M～liquid crystal molecule;
θ～corner cut angle.
[embodiment]
Fig. 1 a shows that use is according to the top view of the electrode pattern of the upper substrate of the embodiment of the present invention.Fig. 1 b shows that use is according to the top view of the electrode pattern of the infrabasal plate of the embodiment of the present invention.Shown the electrode pattern 10 that is positioned at upper substrate (being the colored filter side) in Fig. 1 a, electrode pattern 10 is parts that the transparent electrode layer of upper substrate is dug up.
For convenience of description, 11,12 four fields that split of doing are defined as four quadrant A～D with the major branch of electrode pattern 10 in Fig. 1 a.In the 1st quadrant A, many limbs 13 of the electrode pattern 10 of upper substrate are done 11,12 by major branch and are extended toward 45 ° of directions.In the 2nd quadrant B, a plurality of times limb 13 is extended toward 135 ° of directions.In the 3rd quadrant C, a plurality of times limb 13 is extended toward 225 ° of directions.In the 4th quadrant D, a plurality of times limb 13 is extended toward 315 ° of directions.
Shown the electrode pattern 20 that is positioned at infrabasal plate (being film crystal tube drive circuit side) in Fig. 1 b, wherein 20 of electrode patterns are the parts that the transparent electrode layer of infrabasal plate is dug up.
Similarly, 21,22 four fields that split of doing are defined as four quadrant A '～D ' with the major branch of electrode pattern 20 in Fig. 1 b.In the 1st quadrant A ', many limbs 23 of the electrode pattern 20 of infrabasal plate are done 21,22 by major branch and are extended toward 45 ° of directions.In the 2nd quadrant B ', a plurality of times limb 23 is extended toward 135 ° of directions.In the 3rd quadrant C ', a plurality of times limb 23 is extended toward 225 ° of directions.In the 4th quadrant D ', a plurality of times limb 23 is extended toward 315 ° of directions.
Fig. 2 shows the top view after the electrode pattern 20 of electrode pattern 10 and the infrabasal plate of Fig. 1 b of upper substrate of overlapping Fig. 1 a.
Shown simultaneously the electrode pattern 10 that is positioned at upper substrate (being the colored filter side) and the electrode pattern 20 that is positioned at infrabasal plate (being film crystal tube drive circuit side) in Fig. 2, the electrode pattern 10 of wherein lining up a plurality of upper substrates of matrix can be relative with electrode pattern 20 dislocation of a plurality of infrabasal plates of lining up matrix.In other words, see it by the direction of vertical panel, each electrode pattern 10 can be surrounded at four quadrants by four electrode patterns 20, and each electrode pattern 20 also can be surrounded at four quadrants by four electrode patterns 10.Should be noted, the shown square of Fig. 2 is only the electrode pattern of a least unit, only comprises 1/4 part of the electrode pattern 20 of the electrode pattern 10 of a upper substrate and four infrabasal plates.According to design, the electrode pattern of this unit may correspond to a picture element, a sub-picture element or the part of a sub-picture element.The electrode pattern of a plurality of this units is arranged in the rectangular complete electrode pattern that is only a panel.
According to the electrode pattern of the present embodiment, be positioned at the liquid crystal molecule M of the 1st quadrant A when electrode application voltage, can be subject to time limb 13,23 electric field pulling force, and turn to 45 ° of (225 °) directions.Yet except inferior limb 13,23 electric field pulling force, major branch does 11,12,21,22 also can provide liquid crystal molecule M to turn to the electric field pulling force of 45 ° of (225 °) directions.For example, as shown in the solid arrow in Fig. 2, major branch is done 11,12 the vertically electric field pulling force at the dried edge of this major branch is provided respectively, and both resultant directions are as shown in dotted arrow, towards 225 ° of directions.
In like manner, in the 2nd quadrant B, when applying voltage, liquid crystal molecule M turns to 135 ° of (315 °) directions.In the 3rd quadrant C, when applying voltage, liquid crystal molecule M turns to 225 ° of (45 °) directions.In the 4th quadrant D, when applying voltage, liquid crystal molecule M turns to 315 ° of (135 °) directions.
In the 1st quadrant A, as shown in the solid line arrow, major branch do 11,12 electric field pulling force that vertical this major branch dried edge is provided depart from respectively 90 ° with 0 °, and the angle that this departs from is equivalent to edge that major branch does with respect to the corner cut θ of 0 ° of main shaft or 90 ° of main shafts.Depart from respectively 90 ° and 0 ° though two major branches are provided by 11,12 power that provide, both resultant directions are as shown in dotted arrow, still towards 225 ° of directions.
Therefore, utilize the dried electric field force of major branch of this deflection corner direction, liquid crystal molecule can go to the corner direction of setting at short notice.Be namely 45 ° of (225 °) directions at first quartile A; Be 135 ° of (315 °) directions at the second quadrant B; Be 225 ° of (45 °) directions at third quadrant C; Be 315 ° of (135 °) directions at fourth quadrant D.
Fig. 3 shows that corner cut θ different in the electrode pattern of Fig. 2 is for the impact of reaction velocity.In Fig. 3, transverse axis is driving voltage, and the longitudinal axis is the reaction time.Curve a, b, c, d when corner cut θ is 0 °, 1 °, 5 °, 10 ° have been shown in Fig. 3.By in figure as can be known, curve a (being the electrode pattern of the embodiment of the 1st figure) is under a set driving voltage, the reaction time is the longest.Corner cut is that the curve d of 10 ° is that curve b, c reaction time under same set driving voltage of 1 °, 5 ° is short than corner cut in the reaction time under set driving voltage.
According to the above results, clearly embodiments of the invention can effectively promote picture element and switch to the reaction velocity of bright attitude from dark attitude as can be known, and along with the dried corner cut angle of major branch in electrode pattern increases, the reaction velocity of liquid crystal molecule also can be accelerated.Therefore, in one embodiment of the invention, adopt and be not less than at least the corner cut of 1 °.Yet excessive corner cut can cause the decline of aperture opening ratio, for example, the penetrance during 10 ° of corner cuts be when there is no corner cut penetrance 86.61%.Therefore, in one embodiment of the invention, adopt corner cut to be not more than the electrode pattern of 10 °.
According to the electrode pattern of the embodiment of the present invention, liquid crystal display can switch to bright attitude from dark attitude with the shorter time, therefore can reach the effect of fast reaction speed.
Above explanation is only part embodiment, is not to limit the present invention, and scope of the present invention will be defined by claim.For example, major branch is done and can only be done the structure of corner cut in a quadrant, and the electrode pattern with corner cut can only be applied to the one of the upper and lower substrate of liquid crystal layer.Moreover the mode that two major branches are done along with the width that increases near both intersection points also is not limited to increase linearly, and various curve-likes, jagged width increase mode also applicable to electrode pattern of the present invention.
Claims (10)
1. electrode pattern is applied at least one substrate of liquid crystal layer in liquid crystal display, comprising:
A plurality of major branches are done, and comprise that the 1st major branch is done and the 2nd major branch is done, and both intersect; And
A plurality of limbs, at least one end of each time limb are connected in the 1st major branch and do with the 2nd major branch and one of do,
Wherein, the 1st major branch do the width done with the 2nd major branch along with near both intersection point and broadening.
2. electrode pattern according to claim 1, is characterized in that, the 1st major branch is done the width system of doing with the 2nd major branch linearly along with near this intersection point and broadening.
3. electrode pattern according to claim 2, it is characterized in that, do or the 2nd major branch is done toward this intersection point and seen along the 1st major branch, be parallel to that the 1st major branch is done or the straight line of the 2nd dried main shaft of major branch is not more than 10 ° with the angle that is parallel to the 1st major branch and does the straight line that increases with the 2nd dried border width of major branch.
4. electrode pattern according to claim 2, it is characterized in that, do or the 2nd major branch is done toward this intersection point and seen along the 1st major branch, be parallel to that the 1st major branch is done or the straight line of the 2nd dried main shaft of major branch is not less than 1 ° with the angle that is parallel to the 1st major branch and does the straight line that increases with the 2nd dried border width of major branch.
5. electrode pattern according to claim 3, is characterized in that, this electrode pattern is applied to have a plurality of these electrode patterns with rectangular arrangement on each inner side plane on both inner side plane in opposite directions of upper and lower substrate simultaneously,
Wherein the formed matrix dislocation of these a plurality of electrode patterns on this inner side plane of the formed matrix of these a plurality of electrode patterns on this inner side plane of this upper substrate and this infrabasal plate is relative, make when watching perpendicular to the direction of this upper and lower substrate, any this electrode pattern can be surrounded by a plurality of this electrode pattern on the substrate of subtend.
6. electrode pattern according to claim 1, it is characterized in that, the 1st major branch is done and dried the 1st to the 4th quadrant that marks off of the 2nd major branch, the end points that these a plurality of limbs at the 1st to the 4th quadrant in any one extend out is arranged in a straight line, and wherein the shortest the most close the 1st major branch of inferior limb is done or the dried width of the 2nd major branch the narrowest position.
7. electrode pattern according to claim 6, is characterized in that, these a plurality of limbs are extended towards 45 °, 135 °, 225 °, 315 ° directions respectively at the 1st to the 4th quadrant.
8. electrode pattern according to claim 1, is characterized in that, this electrode pattern is the part that transparent electrode layer is dug up.
9. picture element layout method, in liquid crystal display, the liquid crystal molecule in liquid crystal layer goes to correct angle in order to accelerate, and comprising:
Electrode layer in this liquid crystal display forms according to claim 1 to 8 arbitrary described electrode pattern.
10. liquid crystal display comprises:
One upper substrate;
One infrabasal plate;
One liquid crystal layer is formed between this upper and lower substrate; And
One electrode pattern is applied at least one of this upper and lower substrate, comprising:
A plurality of major branches are done, and comprise that the 1st major branch is done and the 2nd major branch is done, and both intersect; And
A plurality of limbs, at least one end of each time limb are connected in the 1st major branch and do with the 2nd major branch and one of do,
Wherein, the 1st major branch do the width done with the 2nd major branch along with near both intersection point and broadening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103559470A CN103091908A (en) | 2011-10-27 | 2011-10-27 | Electrode pattern, pixel distribution method and liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103559470A CN103091908A (en) | 2011-10-27 | 2011-10-27 | Electrode pattern, pixel distribution method and liquid crystal display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280946A (en) * | 2013-07-03 | 2015-01-14 | 三星显示有限公司 | Liquid crystal display |
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| US20100157186A1 (en) * | 2008-12-22 | 2010-06-24 | Samsung Electronics Co., Ltd. | Liquid crystal display and method of manufacturing the same |
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| US20020159018A1 (en) * | 2000-09-27 | 2002-10-31 | Fujitsu Limited | Liquid crystal display device and method for fabricating the same |
| US20110001913A1 (en) * | 2005-01-06 | 2011-01-06 | Sharp Kabushiki Kaisha | Liquid crystal display device |
| TW200912451A (en) * | 2007-09-12 | 2009-03-16 | Chi Mei Optoelectronics Corp | Liquid crystal display panel |
| JP2010139825A (en) * | 2008-12-12 | 2010-06-24 | Sharp Corp | Liquid crystal display panel |
| US20100157186A1 (en) * | 2008-12-22 | 2010-06-24 | Samsung Electronics Co., Ltd. | Liquid crystal display and method of manufacturing the same |
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| CN104280946A (en) * | 2013-07-03 | 2015-01-14 | 三星显示有限公司 | Liquid crystal display |
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| CN104280946B (en) * | 2013-07-03 | 2019-09-10 | 三星显示有限公司 | Liquid crystal display |
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Application publication date: 20130508 |