WO2021248618A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2021248618A1
WO2021248618A1 PCT/CN2020/101894 CN2020101894W WO2021248618A1 WO 2021248618 A1 WO2021248618 A1 WO 2021248618A1 CN 2020101894 W CN2020101894 W CN 2020101894W WO 2021248618 A1 WO2021248618 A1 WO 2021248618A1
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Prior art keywords
electrode
substrate
display panel
liquid crystal
panel according
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French (fr)
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任维
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to US16/980,438 priority Critical patent/US20210382355A1/en
Publication of WO2021248618A1 publication Critical patent/WO2021248618A1/zh
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement

Definitions

  • the present invention relates to the field of display technology, in particular to a display panel and a display device applied to IPS-VA.
  • LCD liquid crystal display
  • LCD display technology requirements are getting higher and higher, and the fast refresh rate of electronic products is required.
  • Display requirements The need for fast response to liquid crystals can match the needs of products. However, the response time of materials is limited under the current development situation. It is necessary to develop new display modes to improve the response time of liquid crystals.
  • Figure 1 is a new display mode developed today.
  • the positive and negative electrodes are horizontal electrodes; when the liquid crystal is deflected, although the display liquid crystal can improve the effect time, there is no deflection of the liquid crystal between adjacent electrodes, resulting in The liquid crystals in these areas cannot achieve their functions, and the simulation results show that the transmittance is missing (marked area 10 as shown in Fig. 2, corresponding to the undeflected area in the middle of the electrode in Fig. 1).
  • the technical problem to be solved by the present invention is to provide a display panel and a display device, which can improve the unsatisfactory deflection effect of a partial area of the panel, thereby increasing the transmittance of the partial area.
  • the present invention provides a display panel, including: a first substrate and a second substrate disposed opposite to each other; at least two first electrodes disposed on the first substrate; at least one second electrode disposed on the On the first substrate and arranged between the two first electrodes, the first electrode and the second electrode have different polarities; liquid crystal molecules are arranged in an array on the first substrate and the Between the second substrate; wherein a support block is provided between the second electrode and the first substrate.
  • the height of the support block is greater than the height of the first electrode.
  • the material of the support block includes color resistance.
  • liquid crystal molecules are PSVA.
  • the first electrode is a positive electrode or a negative electrode
  • the second electrode is a negative electrode or a positive electrode.
  • a first alignment film is provided on the first substrate, the first electrode and the second electrode; a second alignment film is provided on the side of the second substrate facing the liquid crystal molecules.
  • the material of the first electrode is indium tin oxide; and/or, the material of the second electrode is indium tin oxide.
  • the width of the first electrode is 2um ⁇ 3um; and ⁇ or, the width of the second electrode is 2um ⁇ 3um; and ⁇ or, the distance between the first electrode and the second electrode is 7um ⁇ 12um.
  • the height of the support block is 0.5um ⁇ 1.5um.
  • the present invention also provides a display device, including the aforementioned display panel.
  • the present invention provides a display panel and a display device.
  • a support block is provided between the second electrode and the array substrate to increase the height of the second electrode.
  • FIG. 1 is a schematic diagram of the liquid crystal deflection structure of a display panel in the prior art.
  • FIG. 2 is a simulation curve diagram of the transmittance measurement of the existing display panel corresponding to the different positions of FIG. 1.
  • FIG. 3 is a schematic diagram of the liquid crystal deflection structure of the display panel provided by the present invention.
  • FIG. 4 is a graph showing the measurement simulation curve of the transmittance of the display panel provided by the present invention using different height support blocks.
  • FIG. 5 is a schematic diagram of the structure of the display device provided by the present invention.
  • Display panel 100 display device 200;
  • Second electrode 105 liquid crystal molecules 103; support block 106;
  • First alignment film 109 First alignment film 109; second alignment film 108.
  • the present invention provides a display panel 100, which includes a first substrate 101 and a second substrate 102, at least two first electrodes 104, at least one second electrode 105, and liquid crystal molecules 103 that are arranged opposite to each other.
  • the first substrate 101 is an array substrate, and the second substrate 102 is a color filter substrate.
  • the first electrode 104 is provided on the first substrate 101.
  • the second electrode 105 is disposed on the first substrate 101 and is disposed between the two first electrodes 104, and the first electrode 104 and the second electrode 105 have different polarities. Therefore, an electric field can be generated so that the liquid crystal molecules 103 can be deflected.
  • the display panel 100 further includes a passivation layer 107, a first alignment film 109 and a second alignment film 108.
  • the passivation layer 107 is provided on the first substrate 101.
  • the first alignment film 109 is provided on the first substrate 101, the first electrode 104 and the second electrode 105.
  • the second alignment film 108 is disposed on the side of the second substrate 102 facing the liquid crystal molecules 103.
  • the first electrode 104 is a positive electrode or a negative electrode; the second electrode 105 is a negative electrode or a positive electrode.
  • the material of the first electrode 104 is indium tin oxide; and/or, the material of the second electrode 105 is indium tin oxide.
  • the width of the first electrode 104 is 2um ⁇ 3um; and ⁇ or, the width of the second electrode 105 is 2um ⁇ 3um; and ⁇ or, the distance between the first electrode 104 and the second electrode 105 is 7um ⁇ 12um.
  • Both the first electrode 104 and the second electrode 105 are pixel electrodes.
  • the liquid crystal molecules 103 are arranged in an array between the first substrate 101 and the second substrate 102.
  • the liquid crystal molecules 103 are polymer-stabilized vertical alignment liquid crystal (PSVA).
  • the liquid crystal molecule 103 is elliptical, and its long axis is perpendicular to the first substrate 101 and the second substrate 102.
  • a supporting block 106 is provided between the second electrode 105 and the array substrate.
  • the height of the support block 106 is greater than the height of the first electrode 104.
  • the material of the support block 106 includes color resistance.
  • the height of the support block 106 is 0.5um ⁇ 1.5um.
  • a support block 106 is provided between the second electrode 105 and the array substrate, and then the height of the second electrode 105 is raised.
  • the opposite electrode When the first electrode 104 and the second electrode 105 are energized, the opposite electrode generates The electric field lines of ⁇ will cover more liquid crystal molecules 103, thus changing the electric field distribution (the electric field line distribution in Figure 3), increasing the liquid crystal deflection efficiency, and improving the transmittance of the panel.
  • the penetration rate of the display panel of the present invention can be increased from 14.5% to 17.6% compared with the penetration rate of the existing display panel .
  • the driving voltage (7V) from 21.0% Increase to 23.1% (drive voltage 10V).
  • Fig. 4 shows the simulation curves 110, 120, and 130 for the measurement of the transmittance of the display panel of the present invention when the support blocks 106 of different heights are used.
  • the penetration rate of the inventive display panel in the marked area 10 shown in FIG. 2 is normal, and it can be seen that the marked area 10 in FIG. 3 corresponding to FIG. 2 is deflected.
  • the curve 110 corresponds to the height of the support block 106 by 0.6um
  • the curve 120 corresponds to the height of the support block 106 is 1um
  • the curve 130 corresponds to the height of the support block 106 is 0.6um
  • the curve 120 corresponds to the height of the support block 106 is 1.5um.
  • the present invention also provides a display device 200, including a display panel 100, an upper polarizer 202, and a lower polarizer 201.
  • the display panel 100 is disposed on the upper polarizer 202 and the lower polarizer 201. Between 201 pieces.
  • the display panel 100 includes: a first substrate 101 and a second substrate 102 disposed opposite to each other, at least two first electrodes 104, at least one second electrode 105, and liquid crystal molecules 103.
  • the first substrate 101 is an array substrate, and the second substrate 102 is a color filter substrate.
  • the first electrode 104 is provided on the array substrate.
  • the second electrode 105 is disposed on the array substrate and is disposed between the two first electrodes 104, and the first electrode 104 and the second electrode 105 have different polarities. Therefore, an electric field can be generated so that the liquid crystal molecules 103 can be deflected.
  • the first electrode 104 is a positive electrode or a negative electrode; the second electrode 105 is a negative electrode or a positive electrode.
  • the material of the first electrode 104 is indium tin oxide; and/or, the material of the second electrode 105 is indium tin oxide.
  • the width of the first electrode 104 is 2um ⁇ 3um; and ⁇ or, the width of the second electrode 105 is 2um ⁇ 3um; and ⁇ or, the distance between the first electrode 104 and the second electrode 105 is 7um ⁇ 12um.
  • the liquid crystal molecules 103 are arranged in an array between the first substrate 101 and the second substrate 102.
  • the liquid crystal molecules 103 are PSVA.
  • the liquid crystal molecule 103 is elliptical, and its long axis is perpendicular to the first substrate 101 and the second substrate 102.
  • a supporting block 106 is provided between the second electrode 105 and the array substrate.
  • the height of the support block 106 is greater than the height of the first electrode 104.
  • the material of the support block 106 includes color resistance.
  • the height of the support block 106 is 0.5um ⁇ 1.5um.
  • a support block 106 is provided between the second electrode 105 and the array substrate, and then the height of the second electrode 105 is raised.
  • the opposite electrode When the first electrode 104 and the second electrode 105 are energized, the opposite electrode generates The electric field lines will cover more liquid crystal molecules 103, thus changing the electric field distribution (the electric field line distribution in Fig. 3), increasing the liquid crystal deflection efficiency, and improving the transmittance of the panel.

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

Abstract

本发明提供一种显示面板及显示装置，显示面板包括:相对设置的第一基板以及第二基板、至少两个第一电极、至少一个第二电极以及液晶分子。通过在所述第二电极与所述阵列基板之间设有一支撑块，进而将第二电极的高度拔高，在第一电极与第二电极通电的时候，异性电极产生的电场线会覆盖更多的液晶分子，因此改变了电场分布，增加了液晶偏转效率，提高的面板的穿透率。

Description

显示面板及显示装置 技术领域
本发明涉及显示技术领域，特别是一种应用于IPS-VA的显示面板及显示装置。
 背景技术
随着液晶显示器（ Liquid Crystal Display ，LCD）产品市场发展，根据市场高频率高速动画的电竞产品需求，对LCD 显示技术要求越来越高，需要电子产品的快的刷新频率，则在液晶材料显示需求快速响应的液晶需求才能匹配到产品的需求，而在现有开发的情况下材料的响应时间有限，有必要开发新的显示模式来改善液晶的响应时间。
 技术问题
图1为现如今开发的新的显示模式，在新的显示模式中，正负电极为水平电极；液晶偏转的时候，虽然显示液晶可以改善效应时间，然而相邻电极之间液晶无偏转，导致这些区域的液晶无法实现其功能，并且模拟结果显示穿透率有缺失（如图2所示标记区域10处，对应图1中的电极中间未偏转的区域）。
因此，急需提供一种显示面板及显示装置，改善面板部分区域的偏转效果不理想，进而提高部分区域的穿透率。
 技术解决方案
本发明所要解决的技术问题是，提供一种显示面板及显示装置，改善面板部分区域的偏转效果不理想，进而提高部分区域的穿透率。
为解决上述问题，本发明提供一种显示面板，包括:相对设置的第一基板以及第二基板；至少两个第一电极，设于所述第一基板上；至少一个第二电极，设于所述第一基板上且设于所述两个第一电极之间，所述第一电极与所述第二电极的极性不同；液晶分子，阵列式的设于所述第一基板以及所述第二基板之间；其中，在所述第二电极与所述第一基板之间设有一支撑块。
进一步地，所述支撑块的高度大于所述第一电极的高度。
进一步地，所述支撑块的材料包括色阻。
进一步地，所述液晶分子为PSVA。
进一步地，所述第一电极为正极或负极；所述第二电极为负极或正极。
进一步地，第一配向膜，设于所述第一基板、所述第一电极以及所述第二电极上；第二配向膜，设于所述第二基板朝向所述液晶分子的一侧。
进一步地，所述第一电极的材料为氧化铟锡；和\或，所述第二电极的材料为氧化铟锡。
进一步地，所述第一电极的宽度为2um~3um；和\或，所述第二电极的宽度为2um~3um；和\或，所述第一电极与所述第二电极的间距为7um~12um。
进一步地，所述支撑块的高度为0.5um~1.5um。
本发明还提供一种显示装置，包括前文所述的显示面板。
 有益效果
本发明提供一种显示面板及显示装置，通过在所述第二电极与所述阵列基板之间设有一支撑块，进而将第二电极的高度拔高，在第一电极与第二电极通电的时候，异性电极产生的电场线会覆盖更多的液晶分子，因此改变了电场分布，增加了液晶偏转效率，提高的面板的穿透率。
 附图说明
图1为现有技术显示面板液晶偏转的结构示意图。
图2为现有显示面板对应于图1不同位置的穿透率测量模拟曲线图。
图3为本发明提供的显示面板液晶偏转的结构示意图。
图4为本发明提供的显示面板采用不同高度的支撑块的穿透率的测量模拟曲线图。
图5为本发明提供的显示装置的结构示意图。
显示面板100；显示装置200；
第一基板101；第二基板102；第一电极104；
第二电极105；液晶分子103；支撑块106；
下偏光片201；上偏光片202；钝化层107；
第一配向膜109；第二配向膜108。
 本发明的实施方式
本申请提供一种实体键盘输入系统、键盘输入方法及存储介质，为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
如图3所示，本发明提供一种显示面板100，包括:相对设置的第一基板101以及第二基板102、至少两个第一电极104、至少一个第二电极105以及液晶分子103。
所述第一基板101为阵列基板，所述第二基板102为彩膜基板。
所述第一电极104设于所述第一基板101上。
所述第二电极105设于所述第一基板101上且设于所述两个第一电极104之间，所述第一电极104与所述第二电极105的极性不同。因而可以产生电场，用以使液晶分子103可以进行偏转。
所述显示面板100还包括：钝化层107、第一配向膜109以及第二配向膜108。
所述钝化层107设于所述第一基板101上。
所述第一配向膜109设于所述第一基板101、所述第一电极104以及所述第二电极105上。
所述第二配向膜108设于所述第二基板102朝向所述液晶分子103的一侧。
所述第一电极104为正极或负极；所述第二电极105为负极或正极。
所述第一电极104的材料为氧化铟锡；和\或，所述第二电极105的材料为氧化铟锡。
所述第一电极104的宽度为2um~3um；和\或，所述第二电极105的宽度为2um~3um；和\或，所述第一电极104与所述第二电极105的间距为7um~12um。
所述第一电极104与所述第二电极105皆为像素电极。
所述液晶分子103阵列式地设于所述第一基板101以及所述第二基板102之间。所述液晶分子103为聚合物稳定的垂直排列液晶（PSVA）。
所述液晶分子103为椭圆状，其长轴与所述第一基板101以及所述第二基板102垂直。
在所述第二电极105与所述阵列基板之间设有一支撑块106。
所述支撑块106的高度大于所述第一电极104的高度。所述支撑块106的材料包括色阻。所述支撑块106的高度为0.5um~1.5um。
本发明通过在所述第二电极105与所述阵列基板之间设有一支撑块106，进而将第二电极105的高度拔高，在第一电极104与第二电极105通电的时候，异性电极产生的电场线会覆盖更多的液晶分子103，因此改变了电场分布（图3中的电场线分布），增加了液晶偏转效率，提高面板的穿透率。
本发明显示面板的穿透率相较于现有显示面板的穿透率能够从14.5% 提升到17.6% 。而驱动电压（7V）从21.0% 提升到23.1% （驱动电压10V）。
图4表示出本发明显示面板采用不同高度的支撑块106时其穿透率的测量模拟曲线图110、120、130，对比现有显示面板穿透率的测量模拟曲线图（虚线表示），本发明显示面板在如图2所示的标记区域10的穿透率正常，可见图3中的对应图2标记区域10发生偏转。
曲线110对应支撑块106高度0.6um，曲线120对应支撑块106高度1um；曲线130对应支撑块106高度0.6um，曲线120对应支撑块106高度1.5um。
如图5所示，本发明还提供一种显示装置200，包括一显示面板100、上偏光片202以及下偏光片201，所述显示面板100设于所述上偏光片202以及所述下偏光片201之间。
所述显示面板100包括:相对设置的第一基板101以及第二基板102、至少两个第一电极104、至少一个第二电极105以及液晶分子103。
所述第一基板101为阵列基板，所述第二基板102为彩膜基板。
所述第一电极104设于所述阵列基板上。
所述第二电极105设于所述阵列基板上且设于所述两个第一电极104之间，所述第一电极104与所述第二电极105的极性不同。因而可以产生电场，用以使液晶分子103可以进行偏转。
所述第一电极104为正极或负极；所述第二电极105为负极或正极。
所述第一电极104的材料为氧化铟锡；和\或，所述第二电极105的材料为氧化铟锡。
所述第一电极104的宽度为2um~3um；和\或，所述第二电极105的宽度为2um~3um；和\或，所述第一电极104与所述第二电极105的间距为7um~12um。
所述液晶分子103阵列式地设于所述第一基板101以及所述第二基板102之间。所述液晶分子103为PSVA。
所述液晶分子103为椭圆状，其长轴与所述第一基板101以及所述第二基板102垂直。
在所述第二电极105与所述阵列基板之间设有一支撑块106。
所述支撑块106的高度大于所述第一电极104的高度。所述支撑块106的材料包括色阻。所述支撑块106的高度为0.5um~1.5um。
本发明通过在所述第二电极105与所述阵列基板之间设有一支撑块106，进而将第二电极105的高度拔高，在第一电极104与第二电极105通电的时候，异性电极产生的电场线会覆盖更多的液晶分子103，因此改变了电场分布（图3中的电场线分布），增加了液晶偏转效率，提高的面板的穿透率。
可以理解的是，对本领域普通技术人员来说，可以根据本申请的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本申请所附的权利要求的保护范围。

Claims (10)

  1. 一种显示面板，其中，包括:
    相对设置的第一基板以及第二基板；
    至少两个第一电极，设于所述第一基板上；
    至少一个第二电极，设于所述第一基板上且设于所述两个第一电极之间，所述第一电极与所述第二电极的极性不同；
    液晶分子，阵列式的设于所述第一基板以及所述第二基板之间；
    其中，在所述第二电极与所述第一基板之间设有一支撑块。
  2. 根据权利要求1所述的显示面板，其中，
    所述支撑块的高度大于所述第一电极的高度。
  3. 根据权利要求1所述的显示面板，其中，
    所述支撑块的材料包括色阻。
  4. 根据权利要求3所述的显示面板，其中，
    所述液晶分子为PSVA。
  5. 根据权利要求1所述的显示面板，其中，
    所述第一电极为正极或负极；
    所述第二电极为负极或正极。
  6. 根据权利要求1所述的显示面板，其中，还包括：
    第一配向膜，设于所述第一基板、所述第一电极以及所述第二电极上；
    第二配向膜，设于所述第二基板朝向所述液晶分子的一侧。
  7. 根据权利要求1所述的显示面板，其中，
    所述第一电极的材料为氧化铟锡；和\或，
    所述第二电极的材料为氧化铟锡。
  8. 根据权利要求1所述的显示面板，其中，
    所述第一电极的宽度为2um~3um；和\或，
    所述第二电极的宽度为2um~3um；和\或，
    所述第一电极与所述第二电极的间距为7um~12um。
  9. 根据权利要求1所述的显示面板，其中，
    所述支撑块的高度为0.5um~1.5um。
  10. 一种显示装置，其中，包括如权利要求1所述的显示面板。
PCT/CN2020/101894 2020-06-08 2020-07-14 显示面板及显示装置 Ceased WO2021248618A1 (zh)

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