WO2020107588A1 - Écran d'affichage et dispositif d'affichage - Google Patents

Écran d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2020107588A1
WO2020107588A1 PCT/CN2018/123044 CN2018123044W WO2020107588A1 WO 2020107588 A1 WO2020107588 A1 WO 2020107588A1 CN 2018123044 W CN2018123044 W CN 2018123044W WO 2020107588 A1 WO2020107588 A1 WO 2020107588A1
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WO
WIPO (PCT)
Prior art keywords
sub
light
shielding layer
layer
color
Prior art date
Application number
PCT/CN2018/123044
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English (en)
Chinese (zh)
Inventor
何怀亮
Original Assignee
惠科股份有限公司
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
Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Publication of WO2020107588A1 publication Critical patent/WO2020107588A1/fr

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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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a display device.
  • Curved TVs change straight straight lines to slightly concave curves, which presents more stunning visual effects and has been sought after by consumers.
  • the current color filter is integrated into the array substrate (Color Filter on Array, COA) structure panel to make a curved surface. Because the curvature of the color filter substrate and the array substrate are different, the black matrix cannot accurately position the shading, causing light leakage on both sides of the product .
  • the purpose of this application is to provide a display panel and a display device to solve the problem of light leakage of a curved screen.
  • the red first sub-light-shielding layer is above, the green second sub-light-shielding layer is in the middle, and the blue third sub-light-shielding layer is at the bottom.
  • a red first sub-light-shielding layer is at the top
  • a green second sub-light-shielding layer is at the bottom
  • a blue third sub-light-shielding layer is in the middle.
  • a red first sub-light-shielding layer is at the bottom
  • a green second sub-light-shielding layer is at the top
  • a blue third sub-light-shielding layer is at the middle.
  • a red first sub-shading layer is in the middle, a green second sub-shading layer is above, and a blue third sub-shading layer is at the bottom.
  • the red first sub-light-shielding layer is in the middle
  • the green second sub-light-shielding layer is at the bottom
  • the blue third sub-light-shielding layer is above.
  • the color resists of the three colors in the light shielding layer are stacked in a random manner, each sub-light shielding layer includes color resists of multiple colors, and the color resists of the multiple colors are staggered.
  • the color resist layer includes red, green, blue, and yellow sub-color resist layers with different colors
  • the light-shielding layer includes red, green, blue, and yellow sub-light shades of at least two colors Floor.
  • the second substrate includes a black matrix, and the black matrix is disposed above the light shielding layer and overlapped with the light shielding layer.
  • the second substrate includes support pillars, and the support pillars are disposed on the surface of the black matrix and have the same material as the black matrix.
  • the black matrix and the support pillar are formed by a process.
  • the light-shielding layer includes a fourth sub-light-shielding layer and a fifth sub-light-shielding layer, and the light-shielding layer is formed by stacking two sub-light-shielding layers having different colors from the fourth sub-light-shielding layer and the fifth sub-light-shielding layer.
  • the color of the fourth sub-shielding layer is red, and the color of the fifth sub-shielding layer is blue.
  • the present application also discloses a display panel, which includes a first substrate with an arc shape and a second substrate with an arc shape, the first substrate and the second substrate are disposed oppositely, and the first substrate includes Color resist layers of three sub-color groups with different colors and a light-shielding layer disposed between each adjacent two sub-color resists in the color resist layer, the light-shielding layer includes a first sub-light-shielding layer, a second sub-light-shielding layer and a third Three sub-shading layers, the shading layer is formed by stacking these three sub-shading layers, wherein the color of the first sub-shading layer is red, the color of the second sub-shading layer is green, and the third sub-shading layer The color of the layer is blue; the three sub-shading layers use the same material as the color resist layer; the thickness of the third sub-shading layer is greater than the thickness of the first sub-shading layer and the thickness of the second sub-shading
  • the present application also discloses a display device including the above display panel.
  • this application provides a light shielding layer between the color resist layers to achieve the maximum light shielding effect; and the light shielding layer is set to be the same as the color resist layer
  • the material can also complete the processing of the light-shielding layer while processing the color resist layer, saving processing time; since the light-shielding layer of one color can only transmit light of one color, the light-shielding layer is set to consist of two different colors
  • the stacked structure of the light-shielding layer can play a role of light-shielding.
  • FIG. 1 is a schematic diagram of a display panel structure according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a structure of an arc-shaped display panel according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of another structure of an arc-shaped display panel according to an embodiment of the present application.
  • the color filter When the color filter is integrated into the array substrate (Color filter On Array, COA) structure panel to be made into a flat surface as shown in FIG. 1, but it is made into a curved surface, because the curvature of the color filter substrate and the array substrate are different, the black matrix 131 Unable to accurately position the shading, causing light leakage on both sides of the product.
  • the array substrate Color filter On Array, COA
  • the applicant uses two unpublished solutions to improve the light leakage of the curved screen: the first is to increase the width of the black matrix 131; the second is to add a metal layer to block the light leakage part with the metal layer. Although these two methods are effective, but it will affect the panel opening rate, the product penetration rate will decline.
  • the color of the first sub-light-shielding layer 151 is red
  • the color of the second sub-light-shielding layer 152 is green
  • the color of the third sub-light-shielding layer 153 is blue
  • the thickness of one sub-light blocking layer 151 and the thickness of the second sub-light blocking layer 152 is blue
  • the red first sub-light shielding layer 151 is above, the green second sub-light shielding layer 152 is in the middle, and the blue third sub-light shielding layer 153 is at the bottom.
  • the red first sub-light shielding layer 151 is at the bottom
  • the green second sub-light shielding layer 152 is at the top
  • the blue third sub-light shielding layer 153 is in the middle.
  • the color resists of the three colors in the light shielding layer 150 are stacked randomly, and each sub-light shielding layer includes color resists of multiple colors, and the color resists of multiple colors are staggered.
  • the color resist layer 140 includes red, green, blue, and yellow sub-color resist layers
  • the light-shielding layer 150 includes at least two of the red, green, blue, and yellow colors. Color sub-shade. The addition of yellow, red, green, and blue primary colors effectively improves the color saturation of the display panel.
  • the second substrate 130 includes a black matrix 131, which is disposed above the light shielding layer 150 and overlapped with the light shielding layer. That is, the shading layer and the black matrix are projected onto the same vertical plane, and their projections will overlap but will not overlap.
  • a black matrix 131 is provided above the light shielding layer 150 to prevent gaps between the light shielding layer 150 and the color layer to cause light leakage.
  • the black matrix 131 can also play a second light shielding effect, which is more safe; because the first substrate 120 Unlike the curvature of the second substrate 130, if the black matrix 131 is provided directly above the light-shielding layer 150, the projection of the black matrix 131 will not overlap with the light-shielding layer 150, resulting in the black matrix 131 being unable to completely block the sub-color resistance 141 The light transmitted through the gap; and adjusting the position of the black matrix 131 according to the curvatures of the first substrate 120 and the second substrate 130 can enable the black matrix 131 to just reach the maximum utilization rate.
  • the color of the fourth sub-shielding layer 154 is red
  • the color of the fifth sub-shielding layer 155 is blue
  • the arrangement of the blue color resist and the red color resist is not required, and the blue color resist is Above, the red color resistance is on the top, or the red and blue resistances are staggered.
  • the shading effect of red and blue is the best, and the shading effect of green is the worst, so the first sub-shading layer 151 and the fifth sub-shading layer 155 are set to red and blue, thus shading The light blocking effect of the layer 150 will be better.
  • the height of the light shielding layer 150 does not exceed the height of the color resist layer 140. Since the first substrate 120 is curved, light is not always perpendicular to the first substrate 120 when it passes through the first substrate 120. When the light-shielding layer 150 protrudes and the color resist layer 140, the protruding portion may generate shadows. As a result, part of the light in the display panel 110 is relatively dark. To avoid this situation, the light shielding layer 150 is set so as not to exceed the color resist layer 140, so that no adverse effects will occur.
  • a display panel 110 including a first substrate 120 having an arc shape and a second substrate 130 having an arc shape, the first substrate 120 and the first The two substrates 130 are oppositely arranged.
  • the first substrate 120 includes a color resist layer 140 containing at least three sub-color groups with different colors, and a light-shielding layer 150 disposed between each adjacent two sub-color resists 141 in the color resist layer 140.
  • the light-shielding layer 150 includes a first sub-light-shielding layer 151, a second sub-light-shielding layer 152, and a third sub-light-shielding layer 153.
  • the light-shielding layer 150 is formed by stacking the three kinds of sub-light-shielding layers 150, wherein the color of the first sub-light-shielding layer 151 is red The color of the second sub-shielding layer 152 is green, and the color of the third sub-shielding layer 153 is blue; the three sub-shielding layers 150 are made of the same material as the color resist layer 140; the thickness of the third sub-shielding layer 153 is greater than that of the first The thickness of the sub light shielding layer 151 and the thickness of the second sub light shielding layer 152. In the curved panel, the curvature of the first substrate 120 and the second substrate 130 are different.
  • a display device 100 is disclosed, including the above-mentioned display panel 110.
  • the technical solution of the present application can be widely used in various display panels, such as twisted nematic (TN) display panel, in-plane switching (IPS) display panel, vertical alignment type (Vertical Alignment, VA) ) Display panel, multi-quadrant vertical alignment (Multi-Domain Vertical Alignment, MVA) display panel, of course, it can also be other types of display panels, such as organic light-emitting diode (Organic Light-Emitting Diode, OLED) display panel, both The above scheme is applicable.
  • TN twisted nematic
  • IPS in-plane switching
  • VA Vertical Alignment
  • MVA multi-quadrant vertical alignment
  • OLED Organic Light-Emitting Diode

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

Abstract

L'invention concerne un écran d'affichage (110) et un dispositif d'affichage (100). L'écran d'affichage (110) comprend un premier substrat incurvé (120) et un second substrat incurvé (130). Le premier substrat (120) comprend une couche de réserve de couleur (140) contenant des sous-sections de réserve de couleur (141) ayant au moins trois couleurs différentes et une couche de blocage de lumière (150) disposée entre chaque deux sous-sections de réserve de couleur adjacentes (141) de la couche de réserve de couleur (140). La couche de blocage de lumière (150) comprend des sous-couches de blocage de lumière (151, 152, 153) ayant au moins deux couleurs différentes. La couche de blocage de lumière (150) est formée par empilement des sous-couches de blocage de lumière (151, 152, 153) ensemble. Les sous-couches de blocage de lumière (151, 152, 153) sont constituées du même matériau que la couche de réserve de couleur (140).
PCT/CN2018/123044 2018-11-26 2018-12-24 Écran d'affichage et dispositif d'affichage WO2020107588A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821949306.1 2018-11-26
CN201821949306.1U CN209343082U (zh) 2018-11-26 2018-11-26 一种显示面板和显示装置

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WO2020107588A1 true WO2020107588A1 (fr) 2020-06-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW440740B (en) * 1995-09-08 2001-06-16 Toshiba Corp Liquid crystal display device
CN202975541U (zh) * 2012-11-29 2013-06-05 深圳市华星光电技术有限公司 液晶显示装置及其彩色滤光片基板
CN107741669A (zh) * 2017-12-01 2018-02-27 深圳市华星光电半导体显示技术有限公司 液晶显示面板及其制造方法
CN108363233A (zh) * 2018-02-06 2018-08-03 武汉华星光电技术有限公司 彩色滤光片基板及其制作方法
CN108681141A (zh) * 2018-05-22 2018-10-19 厦门天马微电子有限公司 一种曲面显示面板、显示装置及曲面显示面板的制作方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW440740B (en) * 1995-09-08 2001-06-16 Toshiba Corp Liquid crystal display device
CN202975541U (zh) * 2012-11-29 2013-06-05 深圳市华星光电技术有限公司 液晶显示装置及其彩色滤光片基板
CN107741669A (zh) * 2017-12-01 2018-02-27 深圳市华星光电半导体显示技术有限公司 液晶显示面板及其制造方法
CN108363233A (zh) * 2018-02-06 2018-08-03 武汉华星光电技术有限公司 彩色滤光片基板及其制作方法
CN108681141A (zh) * 2018-05-22 2018-10-19 厦门天马微电子有限公司 一种曲面显示面板、显示装置及曲面显示面板的制作方法

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