WO2017121011A1 - Panneau d'affichage incurvé et structure de pixel associée - Google Patents

Panneau d'affichage incurvé et structure de pixel associée Download PDF

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Publication number
WO2017121011A1
WO2017121011A1 PCT/CN2016/074513 CN2016074513W WO2017121011A1 WO 2017121011 A1 WO2017121011 A1 WO 2017121011A1 CN 2016074513 W CN2016074513 W CN 2016074513W WO 2017121011 A1 WO2017121011 A1 WO 2017121011A1
Authority
WO
WIPO (PCT)
Prior art keywords
color resist
display panel
curved display
sub
disposed
Prior art date
Application number
PCT/CN2016/074513
Other languages
English (en)
Chinese (zh)
Inventor
付如海
Original Assignee
深圳市华星光电技术有限公司
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
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Publication of WO2017121011A1 publication Critical patent/WO2017121011A1/fr

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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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136222—Colour filters incorporated in the active matrix substrate

Definitions

  • the present invention relates to a curved display panel and a pixel structure thereof, and more particularly to a curved display panel having a fixed liquid crystal layer thickness and a pixel structure thereof.
  • curved liquid crystal displays are obtained by bending a flat LCD.
  • the lower substrate of the LCD can be designed as a color filter integrated transistor (Color) Filter On Array, COA)
  • COA is a technique for placing RGB color resist on a CF substrate on a TFT array substrate to prevent misalignment of the upper and lower substrates.
  • FIG. 1 is a plan view of a conventional pixel structure
  • FIG. 2 is a plan view of a pixel structure on a conventional COA substrate
  • FIG. 3 is a cross-sectional view taken along line AA' of FIG.
  • the conventional planar LCD includes an upper substrate 10, a COA substrate 20, and a spacer 27 for partitioning the liquid crystal layer 25.
  • the COA substrate 20 has red, green and blue color resists RGB, wherein the red, green and blue color resists RGB overlap each other.
  • the spacers 27 are disposed on the black matrix 12 on the upper substrate 10, and one end is placed against the red, green, and blue color resists RGB.
  • FIG. 4 is a cross-sectional view showing a state in which a conventional pixel structure is misaligned.
  • the substrate 10 and the COA substrate 20 will be misaligned.
  • the spacer 27 which should be in the flat region of the color resist to deviate to Top in the data line area D where the two color resists overlap.
  • the topography of the color resisting overlap area is often uneven, which may cause a problem of uneven thickness of the liquid crystal cell, which seriously affects the display effect.
  • Another object of the present invention is to provide a pixel structure that is designed to flatten the color resistive region that the spacer is held by the first color resist, so that the thickness of the liquid crystal cell is kept uniform when the substrate is bent.
  • a preferred embodiment of the present invention provides a curved display panel comprising a plurality of pixel units, each pixel unit comprising three sub-pixels arranged in parallel, the curved display panel further comprising: an upper substrate;
  • the lower substrate includes a plurality of TFT switch tubes and a color resist layer, each sub-pixel corresponding to a TFT switch tube, and the color resist layer corresponding to the three parallel-arranged sub-pixels respectively includes a first color resist and a second color resist And a third color resist, wherein the first color resist is further located on a gate line region of the three sub-pixels; a liquid crystal layer is disposed between the upper substrate and the lower substrate; and a plurality of spacers, And disposed on the first color resistance of the gate line region.
  • the first color resist located on the gate line region of the three sub-pixels has a flat surface.
  • the curved display panel of the preferred embodiment of the present invention further includes a black matrix layer, and the black matrix layer is disposed on the lower substrate.
  • the curved display panel further includes a black matrix layer, and the black matrix layer is disposed on the upper substrate.
  • the plurality of spacers are a plurality of columnar photoresist spacers, and the plurality of columnar photoresist spacers are disposed between the black matrix layer and the first color resistor. Further, the plurality of columnar photoresist spacers have the same height for fixing the thickness of the liquid crystal layer.
  • the first color resistance is red, blue or green color resistance.
  • another preferred embodiment of the present invention provides a pixel structure including three sub-pixels arranged in parallel, the pixel structure further comprising: an upper substrate; and a lower substrate including three TFT switches And a first color resist, a second color resist, and a third color resist corresponding to the three sub-pixels, wherein the first color resist is further located on a gate line region of the three TFT switch tubes; Provided between the upper substrate and the lower substrate; and a plurality of spacers disposed on the first color resistance of the gate line region.
  • the first color resist located on the gate line region of the three sub-pixels has a flat surface.
  • the first color resistance is a red, blue or green color resistance.
  • the present invention ensures that the spacer is offset and does not resist the two colors by forming a first color resist on the gate line region and placing the spacer on the first color resist.
  • the junction of the resistors ensures the uniformity of the thickness of the liquid crystal cell and improves the display effect of the curved display.
  • 1 is a top plan view of a conventional pixel structure
  • FIG. 2 is a top plan view of a pixel structure on a conventional COA substrate
  • Figure 3 is a cross-sectional view taken along line AA' of Figure 1;
  • FIG. 4 is a cross-sectional view showing a misalignment of a conventional pixel structure
  • FIG. 5 is a top plan view of a curved display panel according to a preferred embodiment of the present invention.
  • FIG. 6 is a top plan view of a single pixel structure in accordance with a preferred embodiment of the present invention.
  • FIG. 7 is a top plan view of a pixel unit on a lower substrate according to a first selected embodiment
  • Figure 8 is a cross-sectional view along line BB' of Figure 6 in accordance with a first alternative embodiment
  • FIG. 9 is a top plan view of a pixel unit on a lower substrate according to a second selected embodiment
  • Figure 10 is a top plan view of a pixel unit on a lower substrate in accordance with a third alternative embodiment.
  • FIG. 5 is a top plan view of a curved display panel according to a preferred embodiment of the present invention
  • FIG. 6 is a top view of a single pixel structure according to a preferred embodiment of the present invention.
  • the curved display panel 50 of the preferred embodiment of the present invention includes a plurality of pixel units 60.
  • the pixel unit 60 ( 1) Located on the left side of the curved display panel 50, the pixel unit 60 (2) Located in the middle of the curved display panel 50, the pixel unit 60(3) is located on the right side of the curved display panel 50.
  • each pixel unit 60 includes three sub-pixels 62 arranged in parallel. Specifically, each of the three sub-pixels 62 is a red, green, and blue sub-pixel.
  • FIG. 7 is a plan view of a pixel unit according to a first alternative embodiment on a lower substrate
  • FIG. 8 is a cross-sectional view of FIG. 6 taken along line BB' according to the first alternative embodiment.
  • the curved display panel 50 of the present embodiment further includes an upper substrate 70, a lower substrate 80, and a liquid crystal layer 25 disposed between the upper substrate 70 and the lower substrate 80.
  • the lower substrate 80 includes a plurality of scan lines 22 and data lines 24, a plurality of TFT switch tubes 82, and a color resist layer 84.
  • the color resist layer 84 is disposed on the plurality of scan lines 22 and data lines 24 and Above the plurality of TFT switch tubes 82.
  • Each of the sub-pixels 62 corresponds to a TFT switch 84, and the color resist layer 84 includes a first color resist 86, a second color resist 87, and a third color resist 88 corresponding to the three parallel-arranged sub-pixels 62, respectively.
  • the first color resist 86 is also located on the gate line region 90 of the three sub-pixels 62. It should be noted that the first color resist 86 may be a red, blue or green color resist, for example, a red color resist, and the second color resist 87 and the third color resist 88 may be blue and green color resists, respectively. .
  • the curved display panel 50 of the present embodiment further includes a plurality of spacers 27 disposed on the first color resist 86 of the gate line region 90 .
  • the first color resist 86 located on the gate line region 90 of the three sub-pixels 62 has a flat surface 92.
  • the curved display panel 50 further includes a black matrix layer 12 disposed on the upper substrate 70.
  • the plurality of spacers 27 are a plurality of columnar photoresist spacers (Photo The plurality of columnar photoresist spacers are disposed between the black matrix layer 12 and the first color resistor 86. Further, the plurality of columnar photoresist spacers have the same height for fixing the thickness T of the liquid crystal layer 25.
  • the black matrix layer 12 may also be disposed on the lower substrate 80, such as above the color resist layer 84.
  • FIG. 9 is a plan view of a pixel unit on a lower substrate according to a second embodiment
  • FIG. 10 is a top view of the pixel unit on the lower substrate according to the third alternative embodiment.
  • the color resist layer 84 includes a first color resist 86, a second color resist 87, and a third color resist 88 corresponding to the three parallel arrays of sub-pixels, respectively.
  • a color resist 86 is also located on the gate line region 90 of the three sub-pixels 62.
  • the first color resist 86 is located between the second color resist 87 and the third color resist 88.
  • FIG. 9 is a plan view of a pixel unit on a lower substrate according to a second embodiment
  • FIG. 10 is a top view of the pixel unit on the lower substrate according to the third alternative embodiment.
  • the color resist layer 84 includes a first color resist 86, a second color resist 87, and a third color resist 88 corresponding to the three parallel arrays of sub-pixels, respectively.
  • the color resist layer 84 includes a first color resist 86, a second color resist 87, and a third color resist 88 corresponding to the three parallel arrays of sub-pixels, respectively.
  • a color resist 86 is also located on the gate line region 90 of the three sub-pixels 62.
  • the first color resist 86 is located to the right of the second color resist 87.
  • the curved display panel 50 of the present invention can simultaneously have a plurality of pixel units 60 of the three embodiments.
  • the pixel unit 60 shown in FIG. 8 is the pixel unit 60 (1) on the left side of the curved display panel 50 or the pixel unit 60 (3) on the right side of the curved display panel 50, A plurality of spacers 27 are located on the flat surface 92 of the first color resist 86 on the gate line region 90, so that even if the upper substrate 70 and the lower substrate 80 are offset, the thickness of the liquid crystal cell is not generated. Uniform problem.
  • the pixel structure of the embodiment includes three sub-pixels 62 arranged in parallel, and the pixel structure further includes: an upper substrate 70 , a lower substrate 80 , and the upper substrate 70 and the lower surface A liquid crystal layer 25 and a plurality of spacers 27 are interposed between the substrates 80.
  • the lower substrate 70 includes three TFT switch tubes 82 and a first color resist 86, a second color resist 87 and a third color resist 88 corresponding to the three sub-pixels 62, wherein the first color resist 86 is also located in the third The gate line region 90 of the TFT switch transistor 82.
  • the plurality of spacers 27 are disposed on the first color resistor 86 of the gate line region 90.
  • the first color resist 86 located on the gate line region 90 of the three sub-pixels 62 has a flat surface 92, so even if the upper substrate 70 and the lower substrate 80 are offset, it will not There is a problem that the thickness of the liquid crystal cell is not uniform.
  • the first color resist 86 may be a red, blue or green color resist, for example, a red color resist
  • the second color resist 87 and the third color resist 88 may be blue and green color resists, respectively.
  • the present invention ensures that the spacer 27 is not offset when the spacer 27 is offset by forming the first color resist 86 on the gate line region 90 and placing the spacer 27 on the first color resistor 86.
  • the junction of the two color resists is maintained, and the uniformity of the thickness of the liquid crystal cell is ensured, which improves the display effect of the curved display.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La présente invention concerne un panneau d'affichage incurvé et une structure de pixel. Le panneau d'affichage incurvé (50) comprend : de multiples unités de pixel (60), chaque unité de pixel (60) comprenant trois sous-pixels (62) en agencement parallèle ; un substrat supérieur (70) ; un substrat inférieur (80) ; une couche de cristaux liquides (25) disposée entre le substrat supérieur (70) et le substrat inférieur (80) ; et de multiples espaceurs (27). Le substrat inférieur (80) comprend plusieurs transistors en couches minces (TFT) (82) et une couche de réserve colorée (84). La couche de réserve colorée (84) comprend une première réserve colorée (86), une deuxième réserve colorée (87) et une troisième réserve colorée (88) correspondant respectivement aux trois sous-pixels (62) dans l'agencement parallèle, la première réserve colorée (86) étant également agencée au-dessus d'une zone de ligne de grille (90) des trois sous-pixels (62), et les espaceurs (27) étant agencés sur la première réserve colorée (86) dans la zone de ligne de grille (90).
PCT/CN2016/074513 2016-01-13 2016-02-25 Panneau d'affichage incurvé et structure de pixel associée WO2017121011A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610022023.1 2016-01-13
CN201610022023.1A CN105467705B (zh) 2016-01-13 2016-01-13 曲面显示面板及其像素结构

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Publication Number Publication Date
WO2017121011A1 true WO2017121011A1 (fr) 2017-07-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937566A (en) * 1987-04-28 1990-06-26 Commissariat A L'energie Atomique Liquid crystal matrix display screen provided with storage capacitances
CN1677207A (zh) * 2004-03-30 2005-10-05 Lg.菲利浦Lcd株式会社 液晶显示器及其制造方法
US20140375936A1 (en) * 2013-06-19 2014-12-25 Samsung Display Co., Ltd. Curved display device and manufacturing method thereof
CN104880879A (zh) * 2015-06-19 2015-09-02 京东方科技集团股份有限公司 Coa阵列基板及其制造方法、显示装置
CN105068336A (zh) * 2015-08-25 2015-11-18 深圳市华星光电技术有限公司 阵列基板的制作方法及阵列基板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101965305B1 (ko) * 2012-08-17 2019-04-04 삼성디스플레이 주식회사 액정 표시 장치 및 그 제조 방법
KR20140091100A (ko) * 2012-12-26 2014-07-21 삼성디스플레이 주식회사 곡면 액정 표시 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937566A (en) * 1987-04-28 1990-06-26 Commissariat A L'energie Atomique Liquid crystal matrix display screen provided with storage capacitances
CN1677207A (zh) * 2004-03-30 2005-10-05 Lg.菲利浦Lcd株式会社 液晶显示器及其制造方法
US20140375936A1 (en) * 2013-06-19 2014-12-25 Samsung Display Co., Ltd. Curved display device and manufacturing method thereof
CN104880879A (zh) * 2015-06-19 2015-09-02 京东方科技集团股份有限公司 Coa阵列基板及其制造方法、显示装置
CN105068336A (zh) * 2015-08-25 2015-11-18 深圳市华星光电技术有限公司 阵列基板的制作方法及阵列基板

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CN105467705A (zh) 2016-04-06

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