WO2014012224A1 - 一种液晶显示面板 - Google Patents

一种液晶显示面板 Download PDF

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Publication number
WO2014012224A1
WO2014012224A1 PCT/CN2012/078800 CN2012078800W WO2014012224A1 WO 2014012224 A1 WO2014012224 A1 WO 2014012224A1 CN 2012078800 W CN2012078800 W CN 2012078800W WO 2014012224 A1 WO2014012224 A1 WO 2014012224A1
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WIPO (PCT)
Prior art keywords
electrode
pixel electrode
liquid crystal
display panel
crystal display
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PCT/CN2012/078800
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English (en)
French (fr)
Inventor
姚晓慧
许哲豪
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/583,220 priority Critical patent/US8982294B2/en
Priority to DE201211006574 priority patent/DE112012006574T5/de
Publication of WO2014012224A1 publication Critical patent/WO2014012224A1/zh
Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134318Electrodes characterised by their geometrical arrangement having a patterned common electrode
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136213Storage capacitors associated with the pixel electrode

Definitions

  • the PVA pixel structure maintains a potential through a storage electrode provided on the array substrate.
  • the storage electrode includes two upper and lower storage electrodes, as shown in FIG. 1, the metal tilt angle of the storage electrode edge (metal Taper) should be relatively flat during normal operation to avoid abnormal display on the LCD panel.
  • the metal tilt angle is liable to be abnormal due to the error of the etching process.
  • the tilt angle of the storage electrode edge becomes steep from the normal flat state, and the lateral electric field of the storage electrode is too large.
  • the arrangement of the liquid crystal molecules around the storage electrode is abnormal, which causes a defect in the display of the pixel, which affects the display quality of the liquid crystal display panel.
  • the technical problem to be solved by the present invention is to provide a liquid crystal display panel to avoid the problem of display abnormality caused by an abnormal metal tilt angle of the storage electrode.
  • a technical solution adopted by the present invention is to provide a liquid crystal display panel, comprising: an array substrate and a color filter substrate disposed opposite to each other, wherein the array substrate is provided with a first pixel electrode and a storage electrode, and The storage electrode is located in a lower layer of the first pixel electrode, the second pixel electrode is disposed on the color filter substrate, and the second pixel electrode and the first pixel electrode are alternately arranged in a horizontal direction; at least the first pixel electrode and the second pixel electrode One of the plurality of ITO slits having unequal lengths is disposed at a position corresponding to the edge of the storage electrode, and the first pixel electrode and the second pixel electrode are """-type electrodes. The ITO slit is located at the front end of the """ type electrode.
  • the storage electrode includes an upper storage electrode and a lower storage electrode, and the upper storage electrode is disposed on the lower storage electrode, and the first pixel electrode is disposed on the upper storage electrode.
  • the ITO slit is disposed at an edge of the lower storage electrode.
  • a liquid crystal display panel comprising: an array substrate and a color filter substrate disposed opposite to each other, wherein the array substrate is provided with a first pixel electrode and a storage electrode, And the storage electrode is located in a lower layer of the first pixel electrode, the second pixel electrode is disposed on the color filter substrate, and the second pixel electrode and the first pixel electrode are alternately arranged in a horizontal direction; the first pixel electrode and the second pixel electrode are At least one of the plurality of ITO slits having unequal lengths is disposed at a position corresponding to the edge of the storage electrode.
  • the first pixel electrode is a """ type electrode, and the ITO slit is disposed at the front end of the """ type electrode.
  • the first pixel electrode is a "" type electrode, and the ITO slit is disposed at the front end of the "" type electrode.
  • the second pixel electrode is a """ type electrode, and the ITO slit is disposed at the front end of the """ type electrode.
  • the second pixel electrode is a "" type electrode, and the ITO slit is disposed at the front end of the "" type electrode.
  • the storage electrode includes an upper storage electrode and a lower storage electrode, and the upper storage electrode is disposed on the lower storage electrode, and the first pixel electrode is disposed on the upper storage electrode.
  • the ITO slit is disposed at an edge with respect to the upper storage electrode.
  • the invention has the beneficial effects that the present invention provides a plurality of unequal length ITO slits at positions where the pixel electrodes correspond to the edges of the storage electrodes for enhancing the electric field shape to effectively reduce the metal tilt angle abnormality due to the storage electrodes.
  • the induced lateral electric field interference avoids display defects caused by abnormal metal tilt angle of the storage electrode, and improves the display quality of the liquid crystal display panel.
  • Figure 1 shows a schematic structural view of a storage electrode having a normal metal tilt angle
  • FIG. 3 is a schematic cross-sectional structural view of a liquid crystal display panel of the present invention.
  • FIG. 5 is a schematic structural view of a first pixel electrode in a second embodiment of the liquid crystal display panel of the present invention.
  • FIG. 6 is a schematic structural view of a second pixel electrode in a third embodiment of the liquid crystal display panel of the present invention.
  • FIG. 7 is a schematic structural view of a second pixel electrode in a fourth embodiment of the liquid crystal display panel of the present invention.
  • Figure 8 is a diagram showing the output simulation of the first and second embodiments of the liquid crystal display panel of the present invention.
  • Figure 9 is a diagram showing the output simulation of the third and fourth embodiments of the liquid crystal display panel of the present invention.
  • FIG. 10 is a simulation diagram of output of a conventional liquid crystal display panel.
  • the array substrate 110 is disposed opposite to the color filter substrate 120.
  • a first pixel electrode 111 and a storage electrode 112 are disposed on the array substrate 110, and a second pixel electrode 121 is disposed on the color filter substrate 120.
  • the first pixel electrode 111 is disposed on the upper layer of the storage electrode 112.
  • the storage electrode 112 includes an upper storage electrode 10 and a lower storage electrode 20.
  • the storage electrode 10 is located under the first pixel electrode 111, and the upper storage electrode 10 is disposed at the lower storage electrode 20. Above, and the area of the upper storage electrode 10 is generally slightly smaller than the lower storage electrode 20.
  • the second pixel electrode 121 and the first pixel electrode 111 of the liquid crystal display panel 300 are not a complete ITO film, but are slits carved into a track, that is, the ITO slit 30, and second.
  • the pixel electrode 121 and the first pixel electrode 111 are alternately arranged in the horizontal direction, and the orientation of the liquid crystal molecules in the liquid crystal layer 130 is controlled by an electric field applied between the first pixel electrode 111 and the second pixel electrode 121.
  • FIG. 4 is a schematic structural diagram of a first pixel electrode 111 of a first embodiment of a liquid crystal display panel 300 of the present invention.
  • the first pixel electrode 111 is a """ type electrode, and a plurality of unequal lengths are disposed at a front end of the """ type electrode, that is, a position at which the first pixel electrode 111 corresponds to an edge of the storage electrode 112. ITO slit 40.
  • the width of the ITO slit 40 is the same as the original ITO slit 30 on the first pixel electrode 111, and the length difference between the adjacent ITO slits 40 is 1 um to 10 um, 1 um to 15 um or other length suitable for the PVA mode. The range of values for the difference.
  • the plurality of unequal length ITO slits 40 can change the electric field distribution at the corresponding position edge of the storage electrode 112, enhance the electric field shape, and overcome the interference of the transverse electric field.
  • the liquid crystal molecules at the edge of the corresponding position of the storage electrode 112 are aligned with the liquid crystal molecules at other positions, thereby avoiding the phenomenon of abnormal display due to abnormal metal tilt angle.
  • FIG. 5 is a schematic structural diagram of a first pixel electrode 211 of a second embodiment of a liquid crystal display panel 300 of the present invention.
  • the first pixel electrode 211 is a ""-type electrode, as shown in FIG. 5, at the front end of the ""-type electrode, that is, the first pixel electrode 211 corresponds to the upper storage electrode 10 of the storage electrode 112, A position of the edge of the lower storage electrode 20 is provided with a plurality of ITO slits 40 of unequal length.
  • FIG. 6 is a schematic structural diagram of a second pixel electrode 321 in a third embodiment of the liquid crystal display panel 300 of the present invention.
  • the second pixel electrode 321 is a """ type electrode, and a plurality of unequal lengths are disposed at a front end of the """ type electrode, that is, a position at which the second pixel electrode 321 corresponds to the edge of the storage electrode 112. ITO slit 40.
  • the first pixel electrode 111 is a """ type electrode, and the pattern of the first pixel electrode 111 can adopt various electrode patterns of a liquid crystal display panel suitable for the PVA mode, which will not be described herein.
  • the plurality of unequal length ITO slits 40 can change the electric field distribution at the corresponding position edge of the storage electrode 112, enhance the electric field shape, and overcome the interference of the transverse electric field.
  • the liquid crystal molecules at the edge of the corresponding position of the storage electrode 112 are aligned with the liquid crystal molecules at other positions, thereby avoiding the phenomenon of abnormal display due to abnormal metal tilt angle.
  • FIG. 7 is a schematic structural diagram of a second pixel electrode 421 of a fourth embodiment of the liquid crystal display panel 300 of the present invention.
  • the second pixel electrode 421 is a ""-type electrode, as shown in FIG. 7, at the front end of the ""-type electrode, that is, the second pixel electrode 421 corresponds to the upper storage electrode 10 of the storage electrode 112, A position of the edge of the lower storage electrode 20 is provided with a plurality of ITO slits 40 of unequal length.
  • the second pixel electrode 421 of the "" type is opposite to the second pixel electrode 321 of the above “" type, and the working principle and the implementation effect are the same, and details are not described herein again.
  • the first pixel electrode 111 is a ""-type electrode, and the pattern of the first pixel electrode 111 can adopt various ""-type electrode patterns of a liquid crystal display panel suitable for the PVA mode. Let me repeat.
  • the first pixel electrode 111 is a """ type electrode shown in FIG. 4, and the second pixel electrode 121 is a """ type electrode shown in FIG. 6, and in this embodiment, the first pixel
  • the ITO slits 40 on the electrodes and the second pixel electrode are staggered in the horizontal direction.
  • the first pixel electrode 111 is a "" type electrode shown in FIG. 5
  • the second pixel electrode 121 is a "" type electrode shown in FIG. 7, and in this embodiment, the first pixel
  • the ITO slits 40 on the electrodes and the second pixel electrode are staggered in the horizontal direction.
  • the plurality of ITO slits 40 of the unequal lengths on the first pixel electrode 111 and the second pixel electrode 121 change the storage electrode 112.
  • the electric field shape is enhanced, and the interference of the transverse electric field is overcome, so that the liquid crystal molecules at the corresponding position of the storage electrode 112 are aligned with the liquid crystal molecules at other positions, thereby avoiding the occurrence of the metal tilt angle abnormality. An abnormal phenomenon is displayed.
  • FIG. 8 is an output simulation diagram of the first and second embodiments of the liquid crystal display panel of the present invention
  • FIG. 9 is an output simulation diagram of the third and fourth embodiments of the liquid crystal display panel of the present invention
  • the output simulation diagram of the display panel is an output simulation diagram of the display panel.
  • the dark lines are significantly reduced at the edge of the storage electrode 112 (black rectangle in the figure), that is, the display offset phenomenon due to the abnormal metal tilt angle of the storage electrode is reduced, and the improvement is remarkably improved.
  • the transmittance of the liquid crystal display panel and the display quality are significantly reduced at the edge of the storage electrode 112 (black rectangle in the figure), that is, the display offset phenomenon due to the abnormal metal tilt angle of the storage electrode is reduced, and the improvement is remarkably improved.

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Description

一种液晶显示面板
【技术领域】
本发明涉及液晶显示领域,具体而言涉及一种液晶显示面板。
【背景技术】
PVA(Patterned Vertical Alignment,图像垂直调整技术)作为液晶VA(Vertical Alignment,垂直调整技术)显示中的一种模式,其利用阵列基板侧和彩色滤光片基板侧的像素电极图案形成的电场来控制液晶的指向。
现有技术中,PVA像素结构通过阵列基板上设置的存储电极来保持电位。一般的,存储电极包括上下两个存储电极,如图1所示,存储电极边缘的金属倾斜角(metal taper)正常时应较为平缓,以避免液晶显示面板的显示出现异常。但在实际生产过程中金属倾斜角易因刻蚀过程的误差而出现异常,如图2所示,此时存储电极边缘倾斜角从正常的平缓状态变得陡峭,导致存储电极横向电场过大,使得存储电极周围的液晶分子的排列出现异常,进而导致像素显示产生偏移(disclination)的缺陷,影响液晶显示面板的显示品质。
综上所述,有必要提供一种液晶显示面板,以解决上述问题。
【发明内容】
本发明主要解决的技术问题是提供一种液晶显示面板,以避免因存储电极的金属倾斜角异常而导致的显示异常的问题。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种液晶显示面板,包括:相对设置的阵列基板和彩色滤光片基板,阵列基板上设置有第一像素电极和存储电极,且存储电极位于第一像素电极的下层,彩色滤光片基板上设置有第二像素电极,第二像素电极与第一像素电极在水平方向上交错设置;第一像素电极和第二像素电极的至少其中之一者在对应于存储电极边缘的位置设置有多个不等长的ITO狭缝,且第一像素电极和第二像素电极为“》”型电极, ITO狭缝位于“》”型电极的前端。
其中,存储电极包括上存储电极和下存储电极,上存储电极设置于下存储电极上,第一像素电极设置于上存储电极上。
其中, ITO狭缝是相对于上存储电极的边缘处设置。
其中, ITO狭缝是相对于下存储电极的边缘处设置。
为解决上述技术问题,本发明采用的另一个技术方案是:提供一种液晶显示面板,包括:相对设置的阵列基板和彩色滤光片基板,阵列基板上设置有第一像素电极和存储电极,且存储电极位于第一像素电极的下层,彩色滤光片基板上设置有第二像素电极,第二像素电极与第一像素电极在水平方向上交错设置;第一像素电极和第二像素电极的至少其中之一者在对应于存储电极边缘的位置设置有多个不等长的ITO狭缝。
其中,第一像素电极对应于存储电极边缘的位置设置有ITO狭缝。
其中,第一像素电极为“》”型电极, ITO狭缝设置于 “》”型电极的前端。
其中,第一像素电极为“《”型电极, ITO狭缝设置于 “《”型电极的前端。
其中,第二像素电极对应于存储电极边缘的位置设置有ITO狭缝。
其中,第二像素电极为“》”型电极, ITO狭缝设置于 “》”型电极的前端。
其中,第二像素电极为“《”型电极, ITO狭缝设置于 “《”型电极的前端。
其中,存储电极包括上存储电极和下存储电极,上存储电极设置于下存储电极上,第一像素电极设置于上存储电极上。
其中,ITO狭缝是相对于上存储电极的边缘处设置。
其中,ITO狭缝是相对于下存储电极的边缘处设置。
本发明的有益效果是:本发明通过在像素电极对应于存储电极边缘的位置设置多个不等长的ITO狭缝,用于增强电场场形,以有效地降低由于存储电极的金属倾斜角异常引发的横向电场的干扰,避免了因存储电极的金属倾斜角异常而导致的显示缺陷,提高了液晶显示面板的显示品质。
【附图说明】
图1显示具有正常的金属倾斜角的存储电极的结构示意图;
图2显示金属倾斜角异常的存储电极的结构示意图;
图3是本发明液晶显示面板的剖面结构示意图;
图4是本发明液晶显示面板的第一实施例中的第一像素电极的结构示意图;
图5是本发明液晶显示面板的第二实施例中的第一像素电极的结构示意图;
图6是本发明液晶显示面板的第三实施例中的第二像素电极的结构示意图;
图7是本发明液晶显示面板的第四实施例中的第二像素电极的结构示意图;
图8是本发明液晶显示面板的第一和第二实施例的输出模拟仿真图;
图9是本发明液晶显示面板的第三和第四实施例的输出模拟仿真图;
图10是现有液晶显示面板的输出模拟仿真图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细说明。
图3是本发明液晶显示面板的剖面结构示意图。如图3所示,液晶显示面板300为一PVA显示模式的面板,其包括:阵列基板110、彩色滤光片基板120以及液晶层130。
其中,阵列基板110与彩色滤光片基板120相对设置。阵列基板110上设置有第一像素电极111和存储电极112,彩色滤光片基板120上设置有第二像素电极121。其中,第一像素电极111设置于存储电极112上层,存储电极112包括上存储电极10和下存储电极20,存储电极10位于第一像素电极111的下层,上存储电极10设置于下存储电极20上方,且上存储电极10的面积通常略小于下存储电极20。
需要说明的是,液晶显示面板300的第二像素电极121和第一像素电极111不是一个完整的ITO薄膜,而是被刻了一道道的狭缝(slit),即ITO狭缝30,第二像素电极121与第一像素电极111在水平方向上交错设置,进而通过施加在第一像素电极111和第二像素电极121之间的电场控制液晶层130中的液晶分子的指向。
请参阅图4所示,图4是本发明液晶显示面板300的第一实施例的第一像素电极111的结构示意图。如图4所示,第一像素电极111为“》”型电极,在“》”型电极的前端,即第一像素电极111对应于存储电极112边缘的位置,设置有多个不等长的ITO狭缝40。
其中,ITO狭缝40的宽度与第一像素电极111上原有的ITO狭缝30相同,相邻ITO狭缝40之间的长度差为1um至10um、1um至15um或其它适用于PVA模式的长度差的取值范围。
本发明实施例中,第二像素电极121为“》”型电极,第二像素电极121的图案可采用现有适用于PVA模式的液晶显示面板的各种电极图案,此处不再赘述。
在阵列基板110与彩色滤光片基板120对盒后,多个不等长的ITO狭缝40可改变存储电极112对应位置边缘处的电场分布,增强电场场形,克服横向电场的干扰,使得存储电极112对应位置边缘处的液晶分子与其它位置的液晶分子取向一致,避免此处因金属倾斜角异常而出现的显示异常的现象。
请参阅图5所示,图5是本发明液晶显示面板300的第二实施例的第一像素电极211的结构示意图。
在本实施例中,第一像素电极211为“《”型电极,如图5所示,在“《”型电极的前端,即第一像素电极211对应于存储电极112的上存储电极10,下存储电极20边缘的位置,设置有多个不等长的ITO狭缝40。
“《”型的第一像素电极211与上述“》”型的第一像素电极111结构反向,工作原理以及实施效果相同,此处不再赘述。
本发明实施例中,第二像素电极121为“《”型电极,第二像素电极121的图案可采用现有适用于PVA模式的液晶显示面板的各种“《”型电极图案,此处不再赘述。
请参阅图6所示,图6是本发明液晶显示面板300的第三实施例中的第二像素电极321的结构示意图。如图6所示,第二像素电极321为“》”型电极,在“》”型电极的前端,即第二像素电极321对应于存储电极112边缘的位置,设置有多个不等长的ITO狭缝40。
本发明实施例中,第一像素电极111为“》”型电极,第一像素电极111的图案可采用现有适用于PVA模式的液晶显示面板的各种电极图案,此处不再赘述。
在阵列基板110与彩色滤光片基板120对盒后,多个不等长的ITO狭缝40可改变存储电极112对应位置边缘处的电场分布,增强电场场形,克服横向电场的干扰,使得存储电极112对应位置边缘处的液晶分子与其它位置的液晶分子取向一致,避免此处因金属倾斜角异常而出现的显示异常的现象。
请参阅图7所示,图7是本发明液晶显示面板300的第四实施例的第二像素电极421的结构示意图。
在本实施例中,第二像素电极421为“《”型电极,如图7所示,在“《”型电极的前端,即第二像素电极421对应于存储电极112的上存储电极10,下存储电极20边缘的位置,设置有多个不等长的ITO狭缝40。
“《”型的第二像素电极421与上述“》”型的第二像素电极321结构反向,工作原理以及实施效果相同,此处不再赘述。
本发明实施例中,第一像素电极111为“《”型电极,第一像素电极111的图案可采用现有适用于PVA模式的液晶显示面板的各种“《”型电极图案,此处不再赘述。
此外,应理解,本发明还有其他的实施方式,例如:
另一实施例中,第一像素电极111为图4所示的“》”型电极,第二像素电极121为图6所示的“》”型电极,且在此实施例中,第一像素电极和第二像素电极上的ITO狭缝40在水平方向上交错设置。
又一实施例中,第一像素电极111为图5所示的“《”型电极,第二像素电极121为图7所示的“《”型电极,且在此实施例中,第一像素电极和第二像素电极上的ITO狭缝40在水平方向上交错设置。
上述两个实施例中,在阵列基板110与彩色滤光片基板120对盒后,第一像素电极111与第二像素电极121上的多个不等长的ITO狭缝40改变了存储电极112对应位置边缘处的电场分布,增强电场场形,克服横向电场的干扰,使得存储电极112对应位置边缘处的液晶分子与其它位置的液晶分子取向一致,避免此处因金属倾斜角异常而出现的显示异常的现象。
图8是本发明液晶显示面板的第一和第二实施例的输出模拟仿真图;图9是本发明液晶显示面板的第三和第四实施例的输出模拟仿真图;图10是现有液晶显示面板的输出模拟仿真图。
对比图8和图10的输出模拟仿真图,在存储电极112(图中黑色矩形)的边缘,暗纹明显减轻,即因存储电极的金属倾斜角异常而导致的显示偏移现象减少,显著改善了液晶显示面板的穿透率以及显示品质。
对比图9和图10的输出模拟仿真图,在存储电极112(图中黑色矩形)的边缘,暗纹减轻,即因存储电极的金属倾斜角异常而导致的显示偏移现象有所减少,显著改善了液晶显示面板的穿透率以及显示品质。综上所述,本发明通过在像素电极对应于存储电极边缘的位置设置多个不等长的ITO狭缝,用于增强电场场形,以有效地降低由于存储电极的金属倾斜角异常引发的横向电场的干扰,避免了因存储电极的金属倾斜角异常而导致的显示缺陷,提高了液晶显示面板的显示品质。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种液晶显示面板,其包括:
    相对设置的阵列基板和彩色滤光片基板,所述阵列基板上设置有第一像素电极和存储电极,且所述存储电极位于所述第一像素电极的下层,所述彩色滤光片基板上设置有第二像素电极,所述第二像素电极与所述第一像素电极在水平方向上交错设置;
    其中,所述第一像素电极和所述第二像素电极的至少其中之一者在对应于所述存储电极边缘的位置设置有多个不等长的ITO狭缝,且所述第一像素电极和所述第二像素电极为“》”型电极,所述ITO狭缝位于所述“》”型电极的前端。
  2. 根据权利要求1所述的液晶显示面板,其中,所述存储电极包括上存储电极和下存储电极,所述上存储电极设置于所述下存储电极上,所述第一像素电极设置于所述上存储电极上。
  3. 根据权利要求2所述的液晶显示面板,其中,所述ITO狭缝是相对于所述上存储电极的边缘处设置。
  4. 根据权利要求2所述的液晶显示面板,其中,所述ITO狭缝是相对于所述下存储电极的边缘处设置。
  5. 一种液晶显示面板,其包括:
    相对设置的阵列基板和彩色滤光片基板,所述阵列基板上设置有第一像素电极和存储电极,且所述存储电极位于所述第一像素电极的下层,所述彩色滤光片基板上设置有第二像素电极,所述第二像素电极与所述第一像素电极在水平方向上交错设置;
    其中,所述第一像素电极和所述第二像素电极的至少其中之一者在对应于所述存储电极边缘的位置设置有多个不等长的ITO狭缝。
  6. 根据权利要求5所述的液晶显示面板,其中,所述第一像素电极对应于所述存储电极边缘的位置设置有所述ITO狭缝。
  7. 根据权利要求6所述的液晶显示面板,其中,所述第一像素电极为“》”型电极,所述ITO狭缝设置于所述“》”型电极的前端。
  8. 根据权利要求6所述的液晶显示面板,其中,所述第一像素电极为“《”型电极,所述ITO狭缝设置于所述“《”型电极的前端。
  9. 根据权利要求5所述的液晶显示面板,其中,所述第二像素电极对应于所述存储电极边缘的位置设置有所述ITO狭缝。
  10. 根据权利要求9所述的液晶显示面板,其中,所述第二像素电极为“》”型电极,所述ITO狭缝设置于所述“》”型电极的前端。
  11. 根据权利要求9所述的液晶显示面板,其中,所述第二像素电极为“《”型电极,所述ITO狭缝设置于所述“《”型电极的前端。
  12. 根据权利要求5所述的液晶显示面板,其中,所述存储电极包括上存储电极和下存储电极,所述上存储电极设置于所述下存储电极上,所述第一像素电极设置于所述上存储电极上。
  13. 根据权利要求12所述的液晶显示面板,其中,所述ITO狭缝是相对于所述上存储电极的边缘处设置。
  14. 根据权利要求12所述的液晶显示面板,其中,所述ITO狭缝是相对于所述下存储电极的边缘处设置。
PCT/CN2012/078800 2012-07-16 2012-07-18 一种液晶显示面板 Ceased WO2014012224A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060092341A1 (en) * 2004-11-02 2006-05-04 Wei-Kai Huang Thin film transistor array substrate and method for repairing the same
US20080024710A1 (en) * 2006-07-27 2008-01-31 Sung-Jae Moon Liquid crystal display with improved lateral visibility
CN101968582A (zh) * 2009-07-27 2011-02-09 奇美电子股份有限公司 液晶显示装置
CN102023420A (zh) * 2009-09-16 2011-04-20 三星电子株式会社 液晶显示器
CN102253545A (zh) * 2011-08-03 2011-11-23 深圳市华星光电技术有限公司 Pva像素电极及相应的液晶显示装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101112540B1 (ko) * 2004-10-25 2012-03-13 삼성전자주식회사 다중 도메인 박막 트랜지스터 표시판

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060092341A1 (en) * 2004-11-02 2006-05-04 Wei-Kai Huang Thin film transistor array substrate and method for repairing the same
US20080024710A1 (en) * 2006-07-27 2008-01-31 Sung-Jae Moon Liquid crystal display with improved lateral visibility
CN101968582A (zh) * 2009-07-27 2011-02-09 奇美电子股份有限公司 液晶显示装置
CN102023420A (zh) * 2009-09-16 2011-04-20 三星电子株式会社 液晶显示器
CN102253545A (zh) * 2011-08-03 2011-11-23 深圳市华星光电技术有限公司 Pva像素电极及相应的液晶显示装置

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