WO2013075352A1 - 一种像素电极及液晶面板 - Google Patents

一种像素电极及液晶面板 Download PDF

Info

Publication number
WO2013075352A1
WO2013075352A1 PCT/CN2011/083335 CN2011083335W WO2013075352A1 WO 2013075352 A1 WO2013075352 A1 WO 2013075352A1 CN 2011083335 W CN2011083335 W CN 2011083335W WO 2013075352 A1 WO2013075352 A1 WO 2013075352A1
Authority
WO
WIPO (PCT)
Prior art keywords
slit
pixel electrode
edge
slits
liquid crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/083335
Other languages
English (en)
French (fr)
Inventor
姚晓慧
许哲豪
薛景峰
董成才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/378,504 priority Critical patent/US20130128208A1/en
Publication of WO2013075352A1 publication Critical patent/WO2013075352A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes

Definitions

  • the present invention relates to the field of liquid crystal display, and more particularly to a pixel electrode and a liquid crystal panel. ⁇ Background technique ⁇
  • the liquid crystal display device has been widely used in human life and work, in which the liquid crystal panel of the liquid crystal display device is turned off to the display effect of the liquid crystal display device, including the angle of view, the degree of shading, and the color.
  • FIG. 1 shows a case where a common electrode 200 and a pixel electrode 100 are overlapped in one pixel region of a conventional liquid crystal panel.
  • two symmetric and pixel electrodes 100 are disposed on the pixel electrode 100.
  • the edge of the slit 10 is opposite to the slit 10, and the two ends of the slit 10 extend to the edge of the pixel electrode 100; a plurality of slits 11 of the same depth are disposed on both sides of the slit 10;
  • the intersection of the slit 10 at the edge is also the intersection of the common electrode 200 and the edge of the pixel electrode 100, that is, as shown in FIG. 1, the first junction 1, the second junction 2, the third junction 3, and the fourth At junction 4, the structure of these places is different from the internal structure of the pixel, resulting in the electric field distribution of the pixel edge being different from the internal, for LC
  • a slit is also added to the side edge of the common electrode 200. As shown in FIG. 2, the second junction 2 is taken as an example. At the intersection of the common electrode 200 and the edge of the pixel electrode 100, an extension structure is provided.
  • the extension structure 210 and forming a fin-shaped slit pattern on the extension structure 210, and forming a slit at the edge by using the extension structure 210 to alleviate the influence of the fringe field effect on the liquid crystal molecules therein; but between the slits and the slit ends
  • the electric field of the part is still different from the internal electric field of the pixel, causing the liquid crystal molecules to still have an abnormal disclination.
  • the first junction 1, the second junction 2, the third junction 3 and the fourth junction At 4 there are still abnormal alignments of liquid crystal molecules.
  • the technical problem to be solved by the present invention is to provide a pixel electrode capable of improving the transmittance of a liquid crystal panel. And a liquid crystal panel.
  • a pixel electrode wherein the pixel electrode is provided with at least one slit that is inclined with respect to an edge of the pixel electrode, and both ends of the slit extend to the pixel electrode An edge of the slit; a plurality of equal slits having the same depth; and a plurality of slits on both sides of the slit have a plurality of edge slits extending to an edge of the pixel electrode
  • the slit end region is also provided with a plurality of progressive slits having a decreasing depth from the outward direction of the pixel electrode, the gradient slit having a depth greater than or equal to the depth of the slits.
  • the bottom of the edge cut is parallel to the edge of the pixel electrode and is in a straight line.
  • the edge slits are arranged at the edge of the pixel electrode with an equal depth difference to avoid an abnormal electric field.
  • the gradient slit depth gradually decreases in a direction from the outer to the inner side of the pixel electrode. So that the gradient cut can gradually transition the abnormal electric field at the edge to the inside of the pixel to avoid abnormal alignment of the liquid crystal molecules.
  • the gradual cuts are arranged in descending depths in such a manner that the depth differences are equal.
  • the electric field at the edge is made to transition to the internal electric field in a relatively gentle manner, thereby preventing the liquid crystal molecules from being abnormally arranged to cause dark lines.
  • the depth difference is S/N, wherein the N is the number of the gradual cuts, and the S is the open end of the slit on the common electrode in one pixel region of the liquid crystal panel corresponding to the pixel electrode.
  • the distance from the bottom of the slit Set the value of the equal depth difference and the number of gradient cuts as needed to achieve the best optimization.
  • N 3 is the preferred number of gradient cuts, which can achieve better electric field transition without adding a new abnormal electric field.
  • the gradual cuts are arranged in descending order in increasing depth difference. To achieve a more gradual transition, it is better than the inconvenient way.
  • the number of the gradual slits is four.
  • a better number of gradient cuts can achieve a better electric field transition without adding a new anomalous electric field.
  • the pixel electrode comprises two symmetrically arranged slits.
  • Better slit arrangement The liquid crystal tilting in multiple directions is obtained, thereby improving the range of the viewing angle.
  • the slit is arranged in a shape or a shape on the pixel electrode.
  • the superior arrangement shape can form liquid crystal dumping in multiple directions, thereby improving the range of the viewing angle.
  • a liquid crystal panel comprising a common electrode and a plurality of opposite pixel electrodes as described above.
  • the common electrode is provided with a common electrode slit corresponding to the pixel electrode, and the common electrode and the edge of the pixel electrode are provided with an extension structure for providing a slit at the edge;
  • An edge slit of the pixel electrode corresponds to an extended structure of the common electrode; a distance between a bottom of the tapered slit of the pixel electrode and a corresponding common electrode slit gradually decreases.
  • the edge cut corresponds to the slit on the extension structure to eliminate the abnormal electric field between the slits on the extension structure and the end of the slit, and at the same time, the distance between the gradient slit and the corresponding common electrode is gradually reduced, thereby A transitional effect causes the electric field at the edge to slowly change to coincide with the interior, thereby avoiding an abnormal flip of the liquid crystal, thereby increasing the transmittance of the pixel.
  • the edge cut has a cut-out slit having the largest depth, and the depth of the cut-off is greater than the depth of the cut.
  • the depth of the edge cut is greater than the depth of the equal cut to effectively eliminate the cut on the extended structure.
  • the depth of the boundary cut is greater than S+D, and the S is the distance of the open end of the slit on the common electrode in one pixel region of the liquid crystal panel corresponding to the bottom of the equal slit on the pixel electrode; The depth of the incision.
  • Such a boundary point incision and including other incisions can extend all the way to the edge of the pixel electrode to correspond to the excessive section of the common electrode, so as to more effectively alleviate the abnormal electric field between the incision and the incision end, since the bottom of the edge incision is parallel and in a strip. on-line.
  • a liquid crystal panel includes a common electrode and a plurality of opposed pixel electrodes, wherein the common electrode is provided with a common electrode slit corresponding to the pixel electrode, and adjacent common electrode slits are formed with serrations.
  • An extension structure for providing a slit at the edge is disposed at an edge of the common electrode and the pixel electrode; the pixel electrode is provided with at least one slit that is inclined with respect to an edge of the pixel electrode, and both ends of the slit extend to the An edge of the pixel electrode; a plurality of bottom end portions of the slit have a plurality of bottom edges extending to an edge of the pixel electrode, the edge of the pixel electrode a slit corresponding to the extension structure of the common electrode; the extension structure and the serrations adjacent to the extension structure extend to the corresponding slits on the pixel electrode, so that the teeth and the pixel electrode are incision The distance between them gradually decreases by d.
  • a portion of the slit of the region extends to the edge of the pixel electrode to form an edge slit to correspond to the extension structure on the common electrode of the liquid crystal panel.
  • the incision relieves the abnormal electric field between the incisions and the end of the incision, and forms a gradient incision on one side of the edge incision so that the electric field at the edge gradually becomes excessive to the electric field inside the pixel, thereby avoiding the liquid crystal in the region.
  • the molecules are abnormally arranged to reduce the generation of dark lines here, thereby increasing the transmittance of the pixels.
  • FIG. 1 is a structural tube diagram in which a common electrode of a conventional liquid crystal panel is overlapped with a pixel electrode
  • Figure 2 is an enlarged view of the structure of the second junction 2 in Figure 1,
  • FIG. 3 is a structural tube diagram of a pixel electrode in a conventional liquid crystal panel
  • FIG. 4 is an enlarged view of the structure of the pixel electrode corresponding to the second junction 2 in FIG.
  • Figure 5 is a structural view showing a structure in which a common electrode and a pixel electrode of a liquid crystal panel of the first embodiment of the present invention are superposed.
  • Figure 6 is an enlarged view of the structure of the second junction 2 in Figure 5
  • Figure 7 is a structural view of a pixel electrode in a first embodiment of the present invention.
  • Figure 8 is an enlarged view of the second junction 2 of Figure 7,
  • Figure 9 is a structural view showing a structure in which a common electrode and a pixel electrode of a liquid crystal panel are superimposed according to a second embodiment of the present invention.
  • Figure 10 is an enlarged view of the second junction 2 in Figure 9,
  • Figure 11 is a structural view of a pixel electrode in a second embodiment of the present invention.
  • Figure 12 is an enlarged view of the second junction 2 of Figure 11
  • FIG. 13 is a simulation diagram of transmittance of a conventional liquid crystal panel
  • Figure 14 is a simulation diagram of the transmittance of the first embodiment
  • Fig. 15 is a simulation diagram of the transmittance of the second embodiment.
  • the pixel electrode of the present invention includes: at least one slit disposed on the edge opposite to the edge of the pixel electrode, the two ends of the slit extending to an edge of the pixel electrode; Equal slits having the same depth; both end portions of the slit have a plurality of edge slits extending to the edge of the pixel electrode at both sides, and the bottom of the edge slit is parallel to the edge of the pixel electrode and
  • the end region of the slit is further provided with a plurality of gradual slits whose depth is decreased by the direction of the inside of the outward pixel electrode, and the depth of the gradual slit is greater than or equal to the depth of the slits.
  • a common electrode slit corresponding to an equal slit, an edge slit, and a tapered slit on the pixel electrode and which are shifted from each other is also provided on the common electrode.
  • the pixel electrode 100 is provided with two symmetric slits 10 extending straight to the edge of the pixel electrode 100 at the slit 10.
  • a plurality of equal slits 11 having the same depth are respectively disposed on both sides of the slit 10, and a plurality of edge slits 13 at the ends of the slit 10 are parallel to the edge of the pixel electrode 100 and are in a straight line, and the edge slits 13 are
  • the inner side i.e., the direction from the outer side of the pixel electrode 100
  • the second junction 2 is taken as an example, where the end of the slit 10 is provided with three gradient slits 12 which are arranged in descending order of S/3 with a depth difference, wherein the third gradient slit 13 ( That is, the depth of the gradient cut having the smallest depth is the same as the depth of the equal slit 11, wherein S is a common electrode slit corresponding to the bottom of the slit 11 of the pixel electrode 100 to the common electrode 200 on the plane as shown in FIG. The distance from the open end.
  • the number of edge slits 13 corresponds to the extension of the common electrode 200.
  • a slit in the structure 210 is used to relieve the fringing field effect and the anomalous electric field between the slits on the extension structure 210 and at the end of the slit.
  • the edge slit 13 includes a boundary cut 14 having the largest depth, and the depth of the cut point 14 is greater than S+D is smaller than L, wherein L is an open end of the slit of the pixel electrode 100 on the plane to the common electrode as shown in FIG. The distance from the bottom of the common electrode slit corresponding to 200, and D is the depth of the equal slit on the pixel electrode.
  • the outer side of the boundary point slit 14 (the direction outward from the inside of the pixel electrode) is the arrangement area of the edge slit 13, and the edge slit 13 starts at the joint portion 17, which is located at the end of the slit,
  • the portions where the pixel electrodes 100 are separated by the slits are joined, and the inside of the cut-out slit is an arrangement area of the gradual slits.
  • the number of the gradual slits can be set as needed, that is, the depth difference can be changed to S/N, where N is the number of gradual slits.
  • the pixel electrode 100 is structurally optimized at the first intersection 1, the second junction 2, the third junction 3, and the fourth junction 4, taking the second junction as an example, the edge slit 13—extending directly to the edge of the pixel electrode 100, thereby alleviating the influence of the fringe field effect here and the abnormal electric field between the slits on the extended structure 210 of the common electrode 200 and the end of the slit; in addition, a gradient cut 12 is used to form a comparative The moderated electric field gradual change region, thereby reducing the influence of the electric field perpendicular to the slit on the liquid crystal, as well as other junctions (first junction 1, third junction 3, and fourth junction 4), by mitigating the edge
  • the field effect and the way of forming the gradual electric field are such that the abnormal arrangement of the liquid crystal molecules at these places is reduced, thereby increasing the transmittance of the pixel, as shown in FIG. 14 is the transmittance of the pixel after using the pixel electrode of the embodiment. Simulation simulation, compared with the simulation simulation of the transmittance
  • a second embodiment of the present invention is different from the first embodiment.
  • the gradual slit of the end of the slit 10 is a depth-reducing cloth which is gradually reduced in depth difference, such as As shown in Fig. 9, still taking the second junction 2 as an example, here at the end of the slit 10, on the inner side of the boundary slit 14, a plurality of gradient slits 12 are arranged, in this embodiment, a gradient
  • the number of the slits 12 is preferably four, wherein: the first gradient cut is at the closest position to the cut-out slit 14, the depth is smaller than the depth of the cut-off slit 14, and is smaller than S+D, and the depth of the second gradient cut is The depth difference from the first gradient cut is dl, The depth difference between the two gradient cuts and the third gradient cut is d2, and the depth difference between the third gradient cut and the fourth gradient cut is d3, where dl>d2>d3, and the depth difference is formed by the outer structure of the pixel structure
  • the simulation result of the transmittance of the pixel in this embodiment is as shown in FIG. 15. Compared with the simulation result of the prior art (ie, FIG. 13), the transmittance of the pixel is improved under the improvement of the embodiment. 8.42%, compared with the result of the first embodiment of Fig. 14, the transmittance of the pixel under the basis of the second embodiment is improved by 0.45%.
  • the pixel electrode includes two symmetrical slits arranged in the pixel electrode such that the tilting of the liquid crystal molecules forms a plurality of different directions to increase the extent of the viewing angle.
  • the arrangement of the slits is not limited to this manner.
  • the common electrode in addition to designing a corresponding extension on the pixel electrode to the extension structure to alleviate the abnormal electric field between the slits and the end of the slit on the extended structure, the common electrode can also be designed accordingly.
  • the common electrode is also provided with a zigzag pattern corresponding to the various types of slits on the pixel electrode and the staggered common electrode slits, wherein the adjacent two slits are serrated, on the extending structure
  • the serrations can be made to extend in the direction of the corresponding slit of the pixel electrode on the plane, and at the same time, design.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

一种像素电极（100）及液晶面板，所述像素电极（100）上设置有至少一条与像素电极（100）边缘相对倾斜的狭缝（10），狭缝（10）的两端延伸到所述像素电极（100）的边缘；狭缝（10）两侧设置有多个深度相同的等切口（11）；狭缝（10）的两端部区域的两侧有多个底部延伸到所述像素电极（100）的边缘的边缘切口（13），狭缝（10）的端部区域还设置有多个由像素电极（100）外向内部的方向深度递减的渐变切口（12），所述渐变切口（12）的深度大于或等于所述等切口（11）的深度。通过改变像素电极（100）上边缘切口（13）深度，缓解共用电极（200）的延伸结构上切口间及切口端部的异常电场，同时在边缘切口（13）的一侧形成渐变切口（12），以使边缘处的电场渐渐变化过度到像素内部的电场，从而避免此处区域的液晶分子发生异常排列，减少此处的暗纹产生，从而提高像素的穿透率。

Description

一种像素电极及液晶面板
【技术领域】
本发明涉及液晶显示领域， 更具体的说， 涉及一种像素电极及液晶面板。 【背景技术】
液晶显示装置已被广泛应用于人类的生活和工作中， 其中液晶显示装置的 液晶面板攸关到液晶显示装置的显示效果， 包括视角、 明暗程度以及颜色等。
如图 1所示为现有一种液晶面板的一个像素区域内共用电极 200与像素电 极 100叠合的情况， 其中， 如图 3所示， 像素电极 100上设置有两条对称的与 像素电极 100的边缘相对倾斜的狭缝 10,所述狭缝 10的两端延伸到所述像素电 极 100的边缘；所述狭缝 10两侧设置有多个深度相同的等切口 11 ;如图 1所示， 狭缝 10在边缘的交接处， 也是共用电极 200与像素电极 100的边缘交接处， 即 如图 1所示， 第一交接处 1、 第二交接处 2、 第三交接处 3和第四交接处 4, 这 几处的结构与像素内部结构具有差异， 导致像素边缘电场分布异于内部， 对 LC
(液晶）产生边缘场效应， 使得这几处液晶分子产生异常排列 （disclination ), 从而使得像素的此几处穿透率低。 为解决这个问题， 常在共用电极 200侧边缘 也添加切口 （slit ), 如图 2所示以第二交接处 2为例， 在共用电极 200与像素电 极 100的边缘交接处， 设置有延伸结构 210, 并在该延伸结构 210上形成翅状的 切口 （slit ) 图案， 利用该延伸结构 210在边缘处形成切口， 以緩解边缘场效应 对此处液晶分子的影响； 但在切口间和切口端部的电场仍然异于像素的内部电 场，导致液晶分子仍会产生异常排列（disclination ),如图 1所示，第一交接处 1、 第二交接处 2、 第三交接处 3 和第四交接处 4 依然存在液晶分子异常排列
( disclination ), 从而使得这 4处穿透率降低， 进而使得整个像素的穿透率降低。
【发明内容】
本发明所要解决的技术问题是提供一种可提高液晶面板穿透率的像素电极 以及液晶面板。
本发明的目的是通过以下技术方案来实现的： 一种像素电极， 所述像素电 极上设置有至少一条与像素电极边缘相对倾斜的狭缝， 所述狭缝的两端延伸到 所述像素电极的边缘； 所述狭缝两侧设置有多个深度相同的等切口； 所述狭缝 的两端部区域的两侧有多个底部延伸到所述像素电极的边缘的边缘切口， 所述 狭缝的端部区域还设置有多个由像素电极外向内部的方向深度递减的渐变切 口， 所述渐变切口的深度大于或等于所述等切口的深度。
优选的， 所述边缘切口的底部与所述像素电极的边缘平行并且处于一条直 线上。 使边缘切口以一个相等的深度差排列在像素电极边缘， 避免产生异常电 场。
优选的， 沿像素电极由外向内的方向上， 所述渐变切口深度逐渐递减。 以 使渐变切口可以将边缘处的异常电场渐渐过渡到像素的内部， 避免造成液晶分 子异常排列。
优选的， 所述渐变切口按深度差相等的方式深度递减排列。 使得边缘处的 电场以较为平緩的方式过渡到内部电场， 从而避免液晶分子异常排列造成暗纹。
优选的， 所述深度差为 S/N, 其中， 所述 N为渐变切口的个数， 所述 S为 为液晶面板中一个像素区域内共用电极上的切口开口端对应于像素电极上的等 切口的底部的距离。 根据需要设置等深度差的值以及渐变切口的个数， 以达到 最佳的优化方式。
优选的， 所述 N=3。 N=3为较优的渐变切口数目， 能够获得较好的电场过 渡， 并且不会增加新的异常电场。
优选的， 所述渐变切口按深度差递增的方式深度递减排列。 以获得更为平 緩的过渡方式， 其要优于等深度差不便的方式。
优选的， 所述渐变切口的数量为 4个。 较优的渐变切口数目， 能够获得较 好的电场过渡， 并且不会增加新的异常电场。
优选的， 所述像素电极包括两条对称排布的狭缝。 较优的狭缝排布方式， 以获得多个方向的液晶倾倒， 从而改善视角的范围。
优选的， 所述狭缝在像素电极上呈》 或 《形排布。 较优的排布形状， 可以 形成多个方向的液晶倾倒， 从而改善视角的范围。
一种液晶面板， 包括共用电极及多个对置的如上任一所述的像素电极。 优选的， 所述共用电极上对应的设置有与所述像素电极对应错开的共用电 极切口， 所述共用电极与像素电极的边缘交接处设置有用于在边缘处设置切口 的延伸结构； 所述的像素电极的边缘切口与所述共用电极的延伸结构相对应； 所述的像素电极的渐变切口的底部与对应的共用电极切口之间的距离逐渐减 小。 边缘切口与延伸结构上的切口相对应， 以消除延伸结构上的切口之间和切 口端部的异常电场， 同时， 渐变切口与对应的共用电极之间的切口的距离逐渐 减小， 进而起到一个过渡的作用， 使得边缘处的电场慢慢变化到与内部一致， 从而避免液晶的异常翻转， 进而使得像素的穿透率得以提高。
优选的， 所述边缘切口具有一个深度最大的界点切口， 所述界点切口的深 度大于所述等切口的深度。 边缘切口的深度大于等切口的深度， 才能有效的消 除延伸结构上的切口。
优选的， 所述界点切口的深度大于 S+D, 所述 S为液晶面板中一个像素区 域内共用电极上的切口开口端对应于像素电极上的等切口的底部的距离；所述 D 为等切口的深度。 这样界点切口以及包括其它切口能一直延伸向像素电极的边 缘以对应共用电极上过度段的切口， 才能更有效的緩解此处切口间及切口端的 异常电场， 由于边缘切口的底部平行并处于一条线上。
一种液晶面板， 包括共用电极及多个对置像素电极， 所述共用电极上对应 的设置有与所述像素电极对应错开的共用电极切口， 相邻的共用电极切口之间 形成锯齿， 所述共用电极与像素电极的边缘交接处设置有用于在边缘处设置切 口的延伸结构； 所述像素电极上设置有至少一条与像素电极边缘相对倾斜的狭 缝， 所述狭缝的两端延伸到所述像素电极的边缘； 所述狭缝的两端部区域的两 侧有多个底部延伸到所述像素电极的边缘的边缘切口， 所述的像素电极的边缘 切口与所述共用电极的延伸结构相对应； 所述延伸结构及靠近该延伸结构上的 锯齿延伸向所述像素电极上与之对应的所述等切口， 使所述齿与所述像素电极 切口之间的距离逐渐减 d、。
本发明由于通过改变像素电极上边缘处也是狭缝的端部两侧的切口深度， 使得此处区域的一部分切口延伸到像素电极的边缘形成边缘切口以对应液晶面 板的共用电极上的延伸结构上的切口， 緩解此处的切口间及切口端部的异常电 场， 同时在边缘切口的一侧形成渐变切口， 以使边缘处的电场渐渐变化过度到 像素内部的电场， 从而避免此处区域的液晶分子发生异常排列， 减少此处的暗 纹产生， 从而提高像素的穿透率。
【附图说明】
图 1是现有液晶面板的共用电极与像素电极叠合的结构筒图，
图 2是图 1中第二交接处 2的结构放大图，
图 3是现有液晶面板中像素电极的结构筒图，
图 4是图 1中第二交接处 2对应的像素电极结构放大图，
图 5是本发明第一种实施例液晶面板的共用电极与像素电极叠合的结构筒 图，
图 6是图 5中第二交接处 2的结构放大图，
图 7是本发明第一种实施例中像素电极的结构筒图，
图 8是图 7的第二交接处 2的放大图，
图 9是本发明第二种实施例液晶面板的共用电极与像素电极叠合的结构筒 图，
图 10是图 9中第二交接处 2的放大图，
图 11是本发明第二种实施例中像素电极的结构筒图，
图 12是图 11的第二交接处 2的放大图，
图 13是现有液晶面板的穿透率模拟仿真图， 图 14是第一种实施例的穿透率模拟仿真图，
图 15是第二种实施例的穿透率模拟仿真图。
其中： 1、 第一交接处； 2、 第二交接处； 3、 第三交接处； 4、 第四交接处; 10、 狭缝； 11、 等切口； 12、 渐变切口； 13、 边缘切口； 14、 界点切口； 17、 连接部； 100、 像素电极； 200、 共用电极； 210、 延伸结构。
【具体实施方式】
下面结合附图和较佳的实施例对本发明作进一步说明。
本发明的像素电极包括： 设置在其上的至少一条与像素电极边缘相对倾斜 的狭缝， 所述狭缝的两端延伸到所述像素电极的边缘； 所述狭缝两侧设置有多 个深度相同的等切口； 所述狭缝的两端部区域的两侧有多个底部延伸到所述像 素电极的边缘的边缘切口， 所述边缘切口的底部与所述像素电极的边缘平行并 且处于一条直线上； 所述狭缝的端部区域还设置有多个由外向像素电极内部的 方向深度递减的渐变切口， 所述渐变切口的深度大于或等于所述等切口的深度。 在液晶面板中， 共用电极上也设置有与像素电极上的等切口、 边缘切口以及渐 变切口相对应的并且相互错开的共用电极切口。
如图 5-8为本发明优选的实施例， 首先看图 7, 像素电极 100上设置有两条 对称的狭缝 10, 狭缝 10—直延伸到像素电极 100的边缘处， 在狭缝 10的两侧 分别设置有多个深度相同的等切口 11 ,在狭缝 10的端部处的两侧有多个底部与 像素电极 100边缘平行并且处于一条直线上的边缘切口 13,边缘切口 13的内侧 (即由像素电极 100外向内的方向），设置有多个渐变切口 12。 如图 8所示以第 二交接处 2为例， 该处为狭缝 10的端部处， 设置有三个按深度差为 S/3递减排 列的渐变切口 12, 其中第三个渐变切口 13 (即深度最小的渐变切口） 的深度与 等切口 11的深度相同， 其中， 如图 5所示 S为在平面上像素电极 100的等切口 11的底部到共用电极 200上的与之对应共用电极切口的开口端的距离。
在本实施例中， 如图 6所示， 边缘切口 13的数量对应于共用电极 200的延 伸结构 210上的切口， 用于緩解边缘场效应以及该延伸结构 210上的切口之间 以及切口端部的异常电场。 边缘切口 13包括一个深度最大的界点切口 14, 该界 点切口 14的深度大于 S+D小于 L, 其中如图 5所示 L为在平面上像素电极 100 的等切口的开口端到共用电极 200上的与之对应的共用电极切口的底部的距离， 而 D为像素电极上的等切口的深度。 在该界点切口 14的外侧（由像素电极内部 向外的方向） 为边缘切口 13的排布区域， 并且边缘切口 13起始于连接部 17, 该连接部 17位于狭缝的端头， 它使像素电极 100被狭缝分开的部分连接起来， 在该界点切口的内侧是渐变切口的排布区域。
在本实施例中， 渐变切口的个数可根据需要而设定， 即深度差可变为 S/N, 其中 N为渐变切口的个数。
本实施例中， 所述的像素电极 100在第一交接处 1、 第二交接处 2、 第三交 接处 3和第四交接处 4进行了结构优化， 以第二交接处为例， 边缘切口 13—直 延伸到像素电极 100的边缘，从而緩解此处边缘场效应的影响以及共用电极 200 的延伸结构 210上的切口之间以及切口端部的异常电场； 另外， 利用渐变切口 12形成一个较为緩和的电场渐变区域， 进而减小垂直于切口的电场对液晶的影 响， 同样的， 其它交接处（第一交接处 1、 第三交接处 3和第四交接处 4 )也是 如此， 通过緩解边缘场效应以及形成渐变电场的方式， 使得这几处的液晶分子 发生异常排列的情况得以减少， 进而增加像素的穿透率， 如图 14为使用本实施 例的像素电极后像素的穿透率的模拟仿真情况， 与图 13现有液晶面板的穿透率 模拟仿真情况相比， 经过优化改进的穿透率提高了 7.93%。
如图 9-12 所示为本发明的第二种实施例， 与实施例一不同的是， 狭缝 10 的端部的渐变切口是按深度差渐渐减小的方式进行深度递减排布， 如图 9所示， 仍然以第二交接处 2为例， 此处是狭缝 10的端部处， 在界点切口 14的内侧， 排布着多个渐变切口 12,在本实施例中，渐变切口 12的个数优选为 4个，其中： 第一个渐变切口与界点切口 14处于最近的位置， 其深度小于界点切口 14的深 度， 并小于 S+D, 第二个渐变切口的深度与第一个渐变切口的深度差为 dl , 第 二个渐变切口与第三个渐变切口的深度差为 d2, 第三个渐变切口与第四个渐变 切口的深度差为 d3 , 其中有 dl>d2>d3, 形成深度差由像素结构外向内的方向递 减的排布。 在此种排布下， 渐变切口形成比深度差为固定值的第一种实施例的 排布更为緩和， 进而在液晶面板中， 此区域的电场渐变则更緩和， 从而能够更 进一步减小垂直于切口方向的电场对液晶的影响。 本实施例中像素的穿透率模 拟仿真结果如图 15所示， 与现有技术模拟仿真结果（即图 13 )相比， 在本实施 例所述改进的基础下像素的穿透率提高了 8.42%, 与图 14的第一种实施例的结 果相比， 本第二种实施方式的基础下像素的穿透率提高了 0.45%。
在本发明的两个实施例中， 像素电极包括两条对称的并呈》或 《形在像素 电极内排布的狭缝， 使得液晶分子的倾倒形成多个不同的方向而提高视角的广 度。 当然， 狭缝的排布方式并不限于此种方式。
当然， 除了在像素电极上设计相应的延伸到所述延伸结构上以緩解延伸结 构上的切口之间及切口端部的异常电场外， 也可以对共用电极作相应的设计。 在液晶面板中， 共用电极上也设置有与像素电极上的各类切口向对应并且错开 的共用电极切口形成锯齿状图案， 其中相邻两个切口之间为锯齿， 在所述延伸 结构上的锯齿可以作在平面上向像素电极对应的切口的方向进行延伸， 同时， 设计。 在此种设置下， 也可以消除延伸结构上的切口间及切口端部的异常电场， 同时也能将该区域的电场进行緩慢变化过渡到像素的内部电场。 但是此种方式 相对于前述实施例来说， 工艺上的改变较大， 相对来说， 前述实施例的方式更 容易实施， 降低生产成本。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通 技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推演或替 换， 都应当视为属于本发明的保护范围。

Claims

1、 一种像素电极，
所述像素电极上设置有至少一条与像素电极边缘相对倾斜的狭缝， 所 述狭缝的两端延伸到所述像素电极的边缘；
所述狭缝两侧设置有多个深度相同的等切口；
所述狭缝的两端部区域的两侧有多个底部延伸到所述像素电极的边缘 的边缘切口，
所述狭缝的端部区域还设置有多个渐变切口， 所述渐变切口的深度大 于或等于所述等切口的深度。
2、 如权利要求 1所述的一种像素电极， 其特征在于， 所述边缘切口的 底部与所述像素电极的边缘平行并且处于一条直线上。
3、 如权利要求 1所述的一种像素电极， 其特征在于， 沿像素电极由外 向内的方向上， 所述渐变切口深度逐渐递减。
4、 如权利要求 3所述的一种像素电极， 其特征在于， 所述渐变切口按 深度差相等的方式深度递减排列。
5、 如权利要求 4 所述的一种像素电极， 其特征在于， 所述深度差为 S/N, 其中， 所述 N为渐变切口的个数， 所述 S为液晶面板中一个像素区 域内共用电极上的切口开口端对应于像素电极上的等切口的底部的距离。
6、 如权利要求 5所述的一种像素电极， 其特征在于， 所述 N=3。
7、 如权利要求 3所述的一种像素电极， 其特征在于， 所述渐变切口按 深度差递增的方式深度递减排列。
8、 如权利要求 7所述的一种像素电极， 其特征在于， 所述渐变切口的 数量为 4个。
9、 如权利要求 1所述的一种像素电极， 其特征在于， 所述像素电极包 括两条对称排布的狭缝。
10、 如权利要求 9所述的一种像素电极， 其特征在于， 所述狭缝在像 素电极上呈》或 《形排布。
11、 一种液晶面板， 包括共用电极及多个对置的如权利要求 1所述的 像素电极， 所述像素电极上设置有至少一条与像素电极边缘相对倾斜的狭 缝， 所述狭缝的两端延伸到所述像素电极的边缘；
所述狭缝两侧设置有多个深度相同的等切口；
所述狭缝的两端部区域的两侧有多个底部延伸到所述像素电极的边缘 的边缘切口，
所述狭缝的端部区域还设置有多个渐变切口， 所述渐变切口的深度大 于或等于所述等切口的深度。
12、 如权利要求 11所述的一种液晶面板， 其特征在于， 所述边缘切口 的底部与所述像素电极的边缘平行并且处于一条直线上。
13、 如权利要求 11所述的一种液晶面板， 其特征在于， 沿像素电极由 外向内的方向上， 所述渐变切口深度逐渐递减。
14、 如权利要求 13所述的一种液晶面板， 其特征在于， 所述渐变切口 按深度差相等的方式深度递减排列。
15、 如权利要求 14所述的一种液晶面板， 其特征在于， 所述深度差为 S/N, 其中， 所述 N为渐变切口的个数， 所述 S为液晶面板中一个像素区 域内共用电极上的切口开口端对应于像素电极上的等切口的底部的距离。
16、 如权利要求 15所述的一种液晶面板， 其特征在于， 所述 N=3。
17、 如权利要求 13所述的一种液晶面板， 其特征在于， 所述渐变切口 按深度差递增的方式深度递减排列。
18、 如权利要求 17所述的一种液晶面板， 其特征在于， 所述渐变切口 的数量为 4个。
19、 如权利要求 11所述的一种液晶面板， 其特征在于， 所述像素电极 包括两条对称排布的狭缝。
20、 如权利要求 19所述的一种液晶面板， 其特征在于， 所述狭缝在像 素电极上呈》或 《形排布。
21、 如权利要求 11所述的一种液晶面板， 其特征在于， 所述共用电极 上对应的设置有与所述像素电极对应错开的共用电极切口， 所述共用电极 与像素电极的边缘交接处设置有用于在边缘处设置切口的延伸结构； 所述 的像素电极的边缘切口与所述共用电极的延伸结构相对应； 所述的像素电 极的渐变切口的底部与对应的共用电极切口之间的距离逐渐减小。
22、 如权利要求 12所述的一种液晶面板， 其特征在于， 所述边缘切口 具有一个深度最大的界点切口， 所述界点切口的深度大于所述等切口的深 度。
23、 如权利要求 13所述的一种液晶面板， 其特征在于， 所述界点切口 的深度大于 S+D, 所述 S为液晶面板中一个像素区域内共用电极上的切口 开口端对应于像素电极上的等切口的底部的距离；所述 D为等切口的深度。
24、 一种液晶面板， 包括共用电极及多个对置像素电极，
所述共用电极上对应的设置有与所述像素电极对应错开的共用电极切 口， 相邻的共用电极切口之间形成锯齿， 所述共用电极与像素电极的边缘 交接处设置有用于在边缘处设置切口的延伸结构；
所述像素电极上设置有至少一条与像素电极边缘相对倾斜的狭缝， 所 述狭缝的两端延伸到所述像素电极的边缘； 所述狭缝的两端部区域的两侧 有多个底部延伸到所述像素电极的边缘的边缘切口， 所述的像素电极的边 缘切口与所述共用电极的延伸结构相对应；
所述延伸结构及靠近该延伸结构上的锯齿延伸向所述像素电极上与之 对应的所述等切口， 使所述齿与所述像素电极切口之间的距离逐渐减小。
PCT/CN2011/083335 2011-11-21 2011-12-02 一种像素电极及液晶面板 Ceased WO2013075352A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/378,504 US20130128208A1 (en) 2011-11-21 2011-12-02 Pixel Electrode and LCD Panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011103716166A CN102364388B (zh) 2011-11-21 2011-11-21 一种像素电极及液晶面板
CN201110371616.6 2011-11-21

Publications (1)

Publication Number Publication Date
WO2013075352A1 true WO2013075352A1 (zh) 2013-05-30

Family

ID=45690957

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/083335 Ceased WO2013075352A1 (zh) 2011-11-21 2011-12-02 一种像素电极及液晶面板

Country Status (2)

Country Link
CN (1) CN102364388B (zh)
WO (1) WO2013075352A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104423673A (zh) * 2013-09-09 2015-03-18 天津富纳源创科技有限公司 触摸屏及液晶显示装置
CN105700254B (zh) * 2016-03-07 2020-03-27 京东方科技集团股份有限公司 电极、阵列基板及显示面板

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070247559A1 (en) * 2005-01-19 2007-10-25 Sharp Kabushiki Kaisha Liquid crystal display device
CN101089682A (zh) * 2006-06-13 2007-12-19 奇美电子股份有限公司 多区域垂直配向型液晶显示装置
CN101201513A (zh) * 2006-12-15 2008-06-18 奇美电子股份有限公司 液晶显示面板
US20100157227A1 (en) * 2008-12-18 2010-06-24 Wan-Hua Lu Liquid crystal display panel
CN101968582A (zh) * 2009-07-27 2011-02-09 奇美电子股份有限公司 液晶显示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7728943B2 (en) * 2004-05-28 2010-06-01 Sharp Kabushiki Kaisha Substrate for a display device, a method for repairing the same, a method for repairing a display device and a liquid-crystal display device
CN100432808C (zh) * 2005-06-06 2008-11-12 中华映管股份有限公司 多区域垂直排列液晶显示面板及其薄膜晶体管阵列
CN202330961U (zh) * 2011-11-21 2012-07-11 深圳市华星光电技术有限公司 一种像素电极及液晶面板

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070247559A1 (en) * 2005-01-19 2007-10-25 Sharp Kabushiki Kaisha Liquid crystal display device
CN101089682A (zh) * 2006-06-13 2007-12-19 奇美电子股份有限公司 多区域垂直配向型液晶显示装置
CN101201513A (zh) * 2006-12-15 2008-06-18 奇美电子股份有限公司 液晶显示面板
US20100157227A1 (en) * 2008-12-18 2010-06-24 Wan-Hua Lu Liquid crystal display panel
CN101968582A (zh) * 2009-07-27 2011-02-09 奇美电子股份有限公司 液晶显示装置

Also Published As

Publication number Publication date
CN102364388A (zh) 2012-02-29
CN102364388B (zh) 2013-11-27

Similar Documents

Publication Publication Date Title
CN107367873B (zh) 一种液晶显示面板及其像素单元
US9025121B2 (en) Pixel unit comprising an inclined connection part and array substrate of a liquid crystal display device with a fringe field switching mode
CN103439838B (zh) 像素结构
CN109116638B (zh) 像素结构
US10101840B2 (en) Integrated touch display panel and touch display device
JP4220719B2 (ja) 広視野角液晶表示装置及びその基板
JP4733374B2 (ja) フリンジフィールド駆動モード液晶表示装置
CN105676550A (zh) 阵列基板及其制造方法、显示装置
CN103091919B (zh) 一种阵列基板及其制造方法、显示装置
JP2023512368A5 (zh)
JP2009163243A (ja) 液晶ディスプレイの電子構造
JP2013148624A (ja) 液晶表示装置
WO2016138721A1 (zh) 液晶屏及显示装置
KR20170052802A (ko) 액정 표시 장치
CN106526986A (zh) 一种像素结构
WO2013075352A1 (zh) 一种像素电极及液晶面板
KR102233518B1 (ko) 표시 장치
CN111308808B (zh) 像素电极及液晶显示面板
CN105321959A (zh) 阵列基板及其制作方法、液晶显示面板和显示装置
US9625768B2 (en) Pixel structure, display panel and display device
CN110703517A (zh) 一种像素电极结构
CN103941486A (zh) 一种边缘场开关模式液晶显示器及彩膜基板
US20180210294A1 (en) Display substrate and method of manufacturing the same, and display device
CN103018973B (zh) 液晶显示器的单位像素
CN102736339B (zh) 液晶显示装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 13378504

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11876251

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11876251

Country of ref document: EP

Kind code of ref document: A1