WO2017059767A1 - 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
WO2017059767A1
WO2017059767A1 PCT/CN2016/099456 CN2016099456W WO2017059767A1 WO 2017059767 A1 WO2017059767 A1 WO 2017059767A1 CN 2016099456 W CN2016099456 W CN 2016099456W WO 2017059767 A1 WO2017059767 A1 WO 2017059767A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
display panel
barrier strip
display
supporting member
Prior art date
Application number
PCT/CN2016/099456
Other languages
English (en)
French (fr)
Inventor
高悦凯
李建
范宇光
周永山
李京鹏
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/505,813 priority Critical patent/US10254593B2/en
Publication of WO2017059767A1 publication Critical patent/WO2017059767A1/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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • G02F1/133377—Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13396—Spacers having different sizes
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties
    • 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
    • G02F1/1341—Filling or closing of 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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a display panel and a display device.
  • the in-vehicle display products have gradually evolved from a simple display function to a control center of the entire vehicle.
  • the display size of the car display product has also gradually increased, and the touch button gradually replaces the physical button.
  • the demand for display quality and operating experience has gradually increased, resulting in higher requirements for TFT-LCD (Thin Film Transistor Liquid Crystal Display) Panels.
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • the liquid crystal in the display panel is affected by factors such as gravity, acceleration and high temperature during the driving process of the vehicle, which causes the vehicle display product to be more prone to local liquid crystal aggregation.
  • the phenomenon due to the difference in the amount of liquid crystal, the cell thickness (Cell Gap) of each area of the display panel, the display panel may have a difference in transmittance (especially when the black screen is displayed), resulting in poor display quality of the display panel (Dark Not Uniform). ).
  • the main objective of the present disclosure is to provide a technical solution capable of avoiding partial liquid crystal aggregation in a moving scene and in a vertical use state due to factors such as gravity, acceleration, and high temperature in the liquid crystal in the box.
  • the phenomenon of the display panel can be improved.
  • the present disclosure provides a display panel including an array a substrate, a color filter substrate, and a liquid crystal layer between the array substrate and the color filter substrate; a liquid crystal blocking member disposed between the color film substrate and the array substrate, wherein the liquid crystal blocking member displays the display
  • the entire display area of the panel is divided into at least two sub-display areas for blocking liquid crystal flow between the sub-display areas.
  • the liquid crystal blocking member comprises at least one first liquid crystal barrier strip parallel to an edge of the display panel.
  • the liquid crystal blocking component further includes at least one second liquid crystal barrier strip perpendicular to the first liquid crystal barrier strip.
  • the first liquid crystal barrier strip and/or the second liquid crystal barrier strip comprise a plurality of spaced blocks.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip are formed with a cross-shaped intersection.
  • the first liquid crystal barrier strip is not interrupted at an intermediate position of the first liquid crystal barrier strip
  • the second liquid crystal barrier strip is interrupted at an intermediate position of the second liquid crystal barrier strip
  • the blocking block has a short length and a small gap between adjacent blocking blocks.
  • the display panel further includes a first elastic support member and a second elastic support member disposed between the array substrate and the color filter substrate, wherein a height of the first elastic support member is greater than the first a height of the two elastic support members, the height of the liquid crystal blocking member being greater than a height of the second elastic support member and smaller than a height of the first elastic support member.
  • the height of the liquid crystal blocking member is equal to the height of the first elastic supporting member.
  • the first elastic support member and the second elastic support member adopt an island design.
  • the first elastic supporting member and the second elastic supporting member are made of the same elastic material, and the material of the liquid crystal blocking portion is the elastic material.
  • the liquid crystal blocking member is disposed in a region corresponding to a black matrix of the color filter substrate.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip are both made of a transparent material.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip are both disposed in an area corresponding to the display area.
  • all of the sub-display areas have the same area.
  • the area of all of the sub-display areas is different.
  • the elastic material is a photoresist material.
  • the present disclosure also provides a display device including the above display panel.
  • the display panel and the display device of the present disclosure divide the entire display area into a plurality of small display areas, and block the small display by providing a liquid crystal barrier strip between adjacent small display areas.
  • the liquid crystals between the regions flow to each other to prevent the liquid crystal in the large display area from being affected by factors such as gravity, acceleration or high temperature, thereby causing local liquid crystal to aggregate, thereby making the screen display more uniform and improving the display panel. Picture quality.
  • FIG. 1 is a schematic structural view of a display panel according to some embodiments of the present disclosure.
  • FIG. 2 is a schematic structural diagram of a display panel adopting a setting mode 1 according to some embodiments of the present disclosure
  • FIG. 3 is a schematic structural diagram of a display panel adopting a setting mode 2 according to some embodiments of the present disclosure
  • FIG. 4 is a block diagram of a display panel employing a setup mode three, in accordance with some embodiments of the present disclosure.
  • the in-vehicle display product uses a large-area display screen and is in a motion scene It is easily affected by factors such as gravity, acceleration or high temperature, and it is easy to cause local liquid crystals to accumulate, resulting in a significant reduction in the picture quality of the display screen. It should be noted that these phenomena do not only appear in the vehicle display products, but also exist in the display panels of other sports scenes.
  • an embodiment of the present disclosure provides a PS (Photo Spacer, which uses a photoresist material), which can divide a large-sized display panel into a plurality of relatively independent regions and add a specific structure between adjacent independent regions.
  • the supporting structure of the retaining wall can effectively avoid the phenomenon that the large-sized display panel is prone to localized liquid crystal accumulation.
  • the present disclosure provides a display panel including an array substrate, a color filter substrate, and a liquid crystal layer between the array substrate and the color filter substrate.
  • a liquid crystal blocking member is disposed between the color film substrate and the array substrate, and the liquid crystal blocking member divides an entire display area of the display panel into at least two sub-display areas and blocks liquid crystal between the sub-display areas flow.
  • the liquid crystal blocking member forms a PS retaining wall between the sub display regions.
  • the liquid crystal blocking member includes at least one first liquid crystal barrier strip that is parallel to an edge of the display panel.
  • the first liquid crystal barrier strip may be disposed in a horizontal direction by taking a large vertical setting as an example, so as to be blocked by the first liquid crystal.
  • the upper and lower sub-display areas divided by the strips are less affected by gravity and acceleration during the movement to avoid the occurrence of liquid crystal accumulation in the lower area of the entire large screen.
  • the number of the first liquid crystal barrier strips is plural, the number of sub display regions is also plural. Theoretically, the more the number of sub-display regions, the smaller the probability of generating localized liquid crystal aggregation. However, in order not to affect the display effect of the entire display panel, the number of sub-display areas cannot be too large, and it is necessary to design according to actual display requirements. That is to say, the number of the first liquid crystal barrier strips needs to be suitable for actual display requirements.
  • the liquid crystal blocking member further includes at least one second liquid crystal barrier strip perpendicular to the first liquid crystal barrier strip.
  • the second liquid crystal barrier strip is perpendicular to the first liquid crystal barrier strip.
  • the advantage of such a design is that the entire display area of the display panel can be divided in a two-dimensional direction, and the entire display area is divided into at least four sub-display areas arranged in the horizontal and vertical directions (of course, this is in the first liquid crystal barrier strip) And the case where the number of the second liquid crystal barrier strips is only one). If the number of the first liquid crystal barrier strip and the second liquid crystal barrier strip are both two, the entire display area is divided into nine sub-display areas.
  • the area of the sub-display area may be the same or different, and the area ratio of the plurality of sub-display areas that need to be divided may be set according to actual needs.
  • the lengths of the first liquid crystal barrier strip and the second liquid crystal barrier strip are naturally adjusted according to design requirements.
  • FIG. 1 is a block diagram of a display panel in accordance with some embodiments of the present disclosure.
  • the entire display area of the display panel is divided into 9 sub-display areas (ie, 9 identical small display areas), and the first liquid crystal barrier strip is disposed between each two adjacent small display areas. (which may be horizontal or vertical) and the second liquid crystal barrier strip (which may be vertical or horizontal) to block the liquid crystal flow between adjacent small display areas, thereby reducing or avoiding the occurrence of more obvious liquid crystal aggregation. .
  • first liquid crystal barrier strips disposed between the nine small display areas shown in FIG. 1 are horizontal, and the second liquid crystal barrier strips are vertical.
  • first liquid crystal barrier strip and the second liquid crystal barrier strip are both disposed in a continuous uninterrupted structure, but the structure is not limited thereto.
  • the following structure may also be adopted: the first liquid crystal barrier strip and/or the second liquid crystal barrier strip includes a plurality of spaced blocks.
  • this design structure includes three cases: (1) the first liquid crystal barrier strip may be composed of a plurality of spaced-apart blocking blocks (corresponding to a dotted line shape), and the second liquid crystal barrier strip is still continuous (2) the first liquid crystal barrier strip is continuously uninterrupted, and the second liquid crystal barrier strip may be composed of a plurality of spaced barrier blocks (corresponding to a dotted line shape); and (3) The first liquid crystal barrier strip may be composed of a plurality of spaced-apart blocking blocks (corresponding to a dotted line shape), and the second liquid crystal barrier strip may be composed of a plurality of spaced-apart blocking blocks (corresponding to a dotted line shape).
  • FIG. 2 is a schematic structural view of a display panel adopting the first mode according to some embodiments of the present disclosure
  • FIG. 3 is a display surface adopting the setting mode 2 according to some embodiments of the present disclosure.
  • FIG. 4 is a schematic structural view of the display panel adopting the setting mode three according to some embodiments of the present disclosure.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip are each composed of a plurality of barrier blocks interrupted and spaced apart from each other.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip are formed with a cross-shaped intersection.
  • the barrier effect of the first liquid crystal barrier strip and the second liquid crystal barrier strip are not continuously set, the cross-shaped intersection portion is disposed between the adjacent four sub-display regions, The liquid crystal flow between the two adjacent sub-display areas (for example, the upper left and the lower right) can be well blocked, so that the occurrence of liquid crystal aggregation can be alleviated.
  • the blocking block of the first liquid crystal barrier strip is not interrupted in the middle position of the first liquid crystal barrier strip, and the blocking block of the second liquid crystal barrier strip is in the middle of the second liquid crystal barrier strip.
  • the location is broken.
  • liquid crystal flow may occur between the upper two sub-display areas, and the liquid crystal flow between the upper two sub-display areas and the lower two sub-display areas is not obvious.
  • the gravity factor mainly has a large influence on the vertical direction, this arrangement can also well reduce the occurrence of liquid crystal aggregation.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip comprise a block having a short length and a small gap between adjacent block blocks, so that under the influence of factors such as gravity or acceleration, It is not easy for the liquid crystals in the adjacent two sub-display areas to pass through the gap between the blocking blocks, which also can well alleviate the occurrence of liquid crystal aggregation.
  • first liquid crystal barrier strip and/or the second liquid crystal barrier strip may also be disposed in other forms.
  • the embodiments of the present disclosure do not limit this.
  • the display panel may further include a first elastic support member and a second elastic support member disposed between the array substrate and the color filter substrate, the first elastic support member The height is greater than the height of the second elastic support member, and the heights of the first liquid crystal barrier strip and the second liquid crystal barrier strip are both greater than the height of the second elastic support member and less than or equal to the first elastic support The height of the part.
  • the first elastic supporting member and the second elastic supporting member may be made of the same elastic material, and the first liquid crystal barrier strip and the second liquid crystal barrier strip may also adopt the elastic Made of sexual materials. That is, the first liquid crystal barrier strip and the second liquid crystal barrier strip may be formed using the elastic materials of the first elastic support member and the second elastic support member.
  • the elastic material may be a photoresist material.
  • the first elastic support member may be referred to as a main support member (Main PS), and the second elastic support member may be referred to as a secondary support member (Sub PS).
  • Main PS main support member
  • Sub PS secondary support member
  • an island-type main support member is generally used.
  • Auxiliary support member design, this structural design can ensure the feasibility of liquid crystal (LC) drip.
  • LC liquid crystal
  • the heights of the first liquid crystal barrier strip and the second liquid crystal barrier strip may be between the height of the second elastic support member (Sub support member, Sub PS) and the first elastic support member ( The height of the main support member, Main PS). Since the materials used for the main support member and the auxiliary support member are both elastic materials, and the main support member can be fully compressed, the height of the first liquid crystal barrier strip and the second liquid crystal barrier strip is closer to the height of the main support member. The better the effect of blocking the flow of the liquid crystal.
  • a height of the first liquid crystal barrier strip and the second liquid crystal barrier strip may be equal to a height of the first elastic support member (main support member, Main PS), such that the first liquid crystal barrier strip And the second liquid crystal barrier strip blocks the liquid crystal more thoroughly.
  • the first liquid crystal barrier strip and the second liquid crystal barrier strip may both be disposed in a region corresponding to a black matrix of the color filter substrate.
  • Such an arrangement is suitable for the case where the first liquid crystal barrier strip and the second liquid crystal barrier strip are both formed of an elastic material of a main support member and a secondary support member. Since the elastic material used for the main support member and the auxiliary support member is non-transparent, in order not to affect the display, it is necessary to dispose the first liquid crystal barrier strip and the second liquid crystal barrier strip on the color filter substrate. The area of the black matrix.
  • first liquid crystal barrier strip and the second liquid crystal barrier strip may also adopt a transparent material.
  • the positions of the first liquid crystal barrier strip and the second liquid crystal barrier strip are not limited, and the first liquid crystal barrier strip and the second liquid crystal barrier strip may be disposed in the color
  • the area of the black matrix of the film substrate can also be set in the display area, and the display performance of the display panel is not affected regardless of which area is provided.
  • the manner in which the first liquid crystal barrier strip and the second liquid crystal barrier strip are disposed may be referred to as a PS retaining wall design.
  • a PS retaining wall design In practical applications, it is necessary to redesign the liquid crystal drip pattern, and according to the ratio of the area of each divided area, the same proportion of liquid crystal is dripped in each area, of course, this is very Easy to implement.
  • the display panel provided by the embodiment of the present disclosure can avoid or reduce the phenomenon that the local display area is prone to liquid crystal accumulation due to factors such as gravity, acceleration or high temperature, and has many other advantages.
  • the display uniformity is better, and the gray scale unevenness caused by the uneven thickness of the box is not easily generated, and during the touch use process, the liquid crystal movement caused by the pressure of the panel is reduced, and the water ripple phenomenon is prevented from being pressed.
  • the present disclosure also provides a display device including the above display panel.
  • the display device can be applied to any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
  • the principle of the display device is similar to that of the above display panel.
  • a method of adding a PS retaining wall design in a conventional TFT-LCD is adopted, and the larger panel is divided into several relatively independent spaces, which can prevent the liquid crystal from diffusing in a large area.
  • the divided areas need to be proportionally instilled according to the area, so that the uniformity of the overall display of the entire panel can be ensured.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (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

一种显示面板及显示装置。该显示面板包括：阵列基板、彩膜基板以及位于阵列基板和彩膜基板之间的液晶层；所述彩膜基板与所述阵列基板之间设置有液晶阻挡部件，所述液晶阻挡部件将所述显示面板的整个显示区域划分为至少两个子显示区域，所述液晶阻挡部件用于阻挡所述子显示区域之间的液晶流动。

Description

显示面板及显示装置
相关申请的交叉引用
本申请主张在2015年10月10日在中国提交的中国专利申请号No.201510651161.1的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及显示技术领域，尤其是涉及一种显示面板及显示装置。
背景技术
随着车载显示产品的应用和发展，车载显示产品由单纯的显示功能逐渐发展成为整个车辆的控制中心。车载显示产品的显示屏尺寸也逐渐增大，触控按钮逐渐取代实体按键。人们对显示品质以及操作体验的要求逐渐提升，导致对TFT-LCD(Thin Film Transistor Liquid Crystal Display，薄膜晶体管液晶显示器)Panel(面板)的要求也越来越高。与使用6英寸以下显示屏的移动终端不同，大尺寸显示产品的面板面积较大，需要填充的液晶量也较多，容易产生局部区域出现液晶聚集现象。
由于车载显示产品在使用过程中通常在竖直方向上进行固定，而显示面板中的液晶在汽车行驶过程中会受到重力、加速度及高温等因素的影响，导致车载显示产品更容易出现局部液晶聚集的现象。而且，由于显示面板的各区域的液晶量、盒厚(Cell Gap)等差异，显示面板会产生透过率差异(黑画面显示时尤为明显)，最终导致显示面板的画面品质不良(Dark Not Uniform)。
发明内容
本公开的主要目的在于提供一种技术方案，该技术方案能够避免显示面板在运动场景中以及在竖直使用状态下由于盒内液晶受到重力、加速度和高温等因素的影响而容易发生局部液晶聚集的现象，从而可以提高显示面板的画面品质。
为了达到上述目的，本公开提供了一种显示面板，该显示面板包括阵列 基板、彩膜基板以及位于所述阵列基板和所述彩膜基板之间的液晶层；所述彩膜基板与所述阵列基板之间设置有液晶阻挡部件，所述液晶阻挡部件将所述显示面板的整个显示区域划分为至少两个子显示区域，所述液晶阻挡部件用于阻挡所述子显示区域之间的液晶流动。
可选地，所述液晶阻挡部件包括至少一个与所述显示面板的边缘平行的第一液晶阻挡条。
可选地，所述液晶阻挡部件还包括至少一个与所述第一液晶阻挡条垂直的第二液晶阻挡条。
可选地，所述第一液晶阻挡条和/或所述第二液晶阻挡条包括多个间隔设置的阻挡块。
可选地，所述第一液晶阻挡条与所述第二液晶阻挡条形成有十字型交叉部。
可选地，所述第一液晶阻挡条在所述第一液晶阻挡条的中间位置不中断，所述第二液晶阻挡条在所述第二液晶阻挡条的中间位置中断。
可选地，所述阻挡块长度短且相邻阻挡块之间的间隙小。
可选地，所述显示面板还包括设置于所述阵列基板与所述彩膜基板之间的第一弹性支撑部件和第二弹性支撑部件，所述第一弹性支撑部件的高度大于所述第二弹性支撑部件的高度，所述液晶阻挡部件的高度大于所述第二弹性支撑部件的高度且小于所述第一弹性支撑部件的高度。
可选地，所述液晶阻挡部件的高度等于所述第一弹性支撑部件的高度。
可选地，所述第一弹性支撑部件和所述第二弹性支撑部件采用孤岛式设计。
可选地，所述第一弹性支撑部件和所述第二弹性支撑部件采用相同的弹性材料，所述液晶阻挡部采用的材料为所述弹性材料。
可选地，所述液晶阻挡部件设置在对应于所述彩膜基板的黑矩阵的区域。
可选地，所述第一液晶阻挡条和所述第二液晶阻挡条均采用透明材料。
可选地，所述第一液晶阻挡条和所述第二液晶阻挡条均设置在对应于显示区域的区域。
可选地，所有所述子显示区域的面积相同。
可选地，所有所述子显示区域的面积不同。
可选地，所述弹性材料为光阻材料。
本公开还提供了一种显示装置，该显示装置包括上述显示面板。
与相关技术相比，本公开所述的显示面板及显示装置，采用将整个显示区域划分为多个小的显示区域，并在相邻的小显示区域之间设置液晶阻挡条的方式阻隔小显示区域之间的液晶发生相互流动，以避免整块大显示区域中的液晶由于受到重力，加速度或高温等因素的影响而发生局部液晶聚集的现象，从而能够使画面显示更加均一，提高了显示面板的画面品质。
附图说明
为了更清楚地说明本公开的实施例的技术方案，下面将对本公开的实施例的描述中涉及的附图作简单地介绍。显而易见地，下面的描述中的附图仅仅是本公开的一些实施例。对于本领域普通技术人员而言，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他附图。
图1是根据本公开的一些实施例的显示面板的结构示意图；
图2是根据本公开的一些实施例的采用设置方式一的显示面板的结构示意图；
图3是根据本公开的一些实施例的采用设置方式二的显示面板的结构示意图；
图4是根据本公开的一些实施例的采用设置方式三的显示面板的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域的普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
在相关技术中，由于车载显示产品使用大面积的显示屏且处于运动场景 中容易受到重力、加速度或高温等因素的影响，很容易发生局部液晶聚集的现象，导致显示屏的画面品质大幅降低。对此需要说明的是，这些现象并不仅仅出现在车载显示产品中，同样存在于其它运动场景下的显示面板中。
基于上述问题，本公开实施例提供一种可以将大尺寸显示面板(Panel)分割成多个相对独立区域，并在相邻独立区域之间增加设置特定结构的PS(Photo Spacer，采用光阻材料的支撑件)挡墙的设计方案，可以有效避免大尺寸显示面板容易出现局部液晶量聚集的现象。
本公开提供了一种显示面板，该显示面板包括阵列基板、彩膜基板以及位于阵列基板和彩膜基板之间的液晶层。所述彩膜基板与所述阵列基板之间设置有液晶阻挡部件，所述液晶阻挡部件将所述显示面板的整个显示区域划分为至少两个子显示区域并且阻挡所述子显示区域之间的液晶流动。所述液晶阻挡部件形成所述子显示区域之间的PS挡墙。
在本公开实施例中，所述液晶阻挡部件包括至少一个与所述显示面板的边缘平行的第一液晶阻挡条。
也就是说，如果整个显示区域被划分为两个子显示区域，则可以只需要设置一个所述第一液晶阻挡条即可，而所述第一液晶阻挡条的方向可以与所述显示面板的长边平行，也可以与所述显示面板的短边平行。当然，为了更好地适应车载等运动场景中对大屏显示的需要，以大屏竖直设置固定为例，可以在水平方向上设置所述第一液晶阻挡条，这样被上述第一液晶阻挡条划分开的上下两个子显示区域就会较少受到运动过程中的重力和加速度的影响，以避免产生在整个大屏的下部区域发生液晶聚集的现象。
当然，当所述第一液晶阻挡条的个数为多个时，子显示区域的个数也就是多个。从理论上说，子显示区域的个数越多，产生局部区域液晶聚集现象的概率越小。但是为了不影响整个显示面板的显示效果，子显示区域的个数也不能太多，需要根据实际显示需求进行设计。也就是说，所述第一液晶阻挡条的个数需要适合实际显示需求为佳。
在本公开实施例中，所述液晶阻挡部件还包括至少一个与所述第一液晶阻挡条垂直的第二液晶阻挡条。
也就是说，除了设置所述第一液晶阻挡条以外，还可以对应地设置与所 述第一液晶阻挡条垂直的所述第二液晶阻挡条。这样设计的好处是可以在二维方向上划分显示面板的整个显示区域，将整个显示区域划分为横向和纵向上排布的至少四个子显示区域(当然，这是在所述第一液晶阻挡条和所述第二液晶阻挡条的个数都仅为一个的情况下)。如果所述第一液晶阻挡条和所述第二液晶阻挡条的个数均为两个，则整个显示区域被划分为9个子显示区域。
在实际应用中，子显示区域的面积可以相同，也可以不同，可以根据实际需求对需要划分的多个子显示区域的面积比例进行设定。当然，对于划分为多个不同面积的子显示区域的情况，所述第一液晶阻挡条和所述第二液晶阻挡条的长度自然也要根据设计需求进行调整。
为便于理解，参考图1，图1是根据本公开的一些实施例的显示面板的结构示意图。如图1所示，显示面板的整个显示区域被划分为9个子显示区域(即9个相同的小显示区域)，每两个相邻的小显示区域之间通过设置所述第一液晶阻挡条(可以为水平或垂直)和所述第二液晶阻挡条(可以为垂直或水平)的方式，来阻隔相邻小显示区域之间的液晶流动，从而减轻或避免了出现较为明显的液晶聚集现象。
当然，图1所示的9个小显示区域之间设定的所述第一液晶阻挡条是水平方向的，所述第二液晶阻挡条是垂直方向的。而且，所述第一液晶阻挡条和所述第二液晶阻挡条都是采用连续不间断的结构设置的，但结构并不限于此。在本公开实施例中，还可以采用以下结构进行设置：所述第一液晶阻挡条和/或所述第二液晶阻挡条包括多个间隔设置的阻挡块。也就是说，这种设计结构包括三种情况：(1)所述第一液晶阻挡条可以由多个间隔设置的阻挡块组成(相当于虚线形状)，所述第二液晶阻挡条仍然是连续不间断的；(2)所述第一液晶阻挡条是连续不间断的，所述第二液晶阻挡条可以由多个间隔设置的阻挡块组成(相当于虚线形状)；以及(3)所述第一液晶阻挡条可以由多个间隔设置的阻挡块组成(相当于虚线形状)，所述第二液晶阻挡条可以由多个间隔设置的阻挡块组成(相当于虚线形状)。
以上三种情况仅是组合方式的差别，这里只对情况(3)进行说明。参考图2至图4，图2是根据本公开的一些实施例的采用设置方式一的显示面板的结构示意图；图3是根据本公开的一些实施例的采用设置方式二的显示面 板的结构示意图；以及图4是根据本公开的一些实施例的采用设置方式三的显示面板的结构示意图。
如图2所示，所述第一液晶阻挡条和所述第二液晶阻挡条均由多个中断并彼此间隔设置的阻挡块组成。但是，为了达到较好的阻挡效果，所述第一液晶阻挡条与所述第二液晶阻挡条形成有十字型交叉部。虽然这种情况没有所述第一液晶阻挡条和所述第二液晶阻挡条全部连续设置的阻挡效果好，但是由于在相邻四个子显示区域之间设置有所述十字型交叉部，因此也可以很好地阻挡不相邻的两个(例如左上方和右下方)子显示区域之间的液晶流动，从而可以减轻液晶聚集现象的发生。
如图3所示，所述第一液晶阻挡条的阻挡块在第一液晶阻挡条的中间位置并没有中断，而所述第二液晶阻挡条的阻挡块在所述第二液晶阻挡条的中间位置中断。以这样的设置方式，上方的两个子显示区域之间可能会发生液晶流动，上方的两个子显示区域与下方的两个子显示区域之间液晶流动并不明显。而且由于重力因素主要对竖直方向影响较大，因此这种设置方式也可以很好地减轻液晶聚集现象的发生。
如图4所示，所述第一液晶阻挡条和第二液晶阻挡条包括的阻挡块长度较短且相邻阻挡块之间的间隙很小，因此在重力或加速度等因素的影响下，任意相邻的两个子显示区中的液晶想要通过阻挡块之间的间隙并不容易，这种方式同样可以很好地减轻液晶聚集现象的发生。
当然，以上设置方式仅仅属于本公开实施例提供的可选设置方式，在实际设计过程中，也可以采用其它形式的方式设置所述第一液晶阻挡条和/或所述第二液晶阻挡条，本公开实施例并不对此做出限制。
在本公开的实施例中，所述显示面板还可以包括设置在所述阵列基板与所述彩膜基板之间的第一弹性支撑部件和第二弹性支撑部件，所述第一弹性支撑部件的高度大于所述第二弹性支撑部件的高度，所述第一液晶阻挡条和所述第二液晶阻挡条的高度均大于所述第二弹性支撑部件的高度且小于或等于所述第一弹性支撑部件的高度。
所述第一弹性支撑部件和所述第二弹性支撑部件可以采用相同的弹性材料制成，并且所述第一液晶阻挡条和所述第二液晶阻挡条也可以采用所述弹 性材料制成。也就是说，可以采用所述第一弹性支撑部件和所述第二弹性支撑部件的弹性材料来形成所述第一液晶阻挡条和所述第二液晶阻挡条。在实施例中，所述弹性材料可以是光阻材料。
所述第一弹性支撑部件可以称为主支撑部件(Main PS)，所述第二弹性支撑部件可以称为辅支撑部件(Sub PS)，在实际应用中，通常采用孤岛式的主支撑部件与辅支撑部件设计，这种结构设计可以保证液晶(LC)滴注可行性。
也就是说，所述第一液晶阻挡条和所述第二液晶阻挡条的高度可以介于所述第二弹性支撑部件(辅支撑部件，Sub PS)的高度与所述第一弹性支撑部件(主支撑部件，Main PS)的高度之间。由于主支撑部件和辅支撑部件采用的材料均为弹性材料，并且主支撑部件能够被完全压缩，因此所述第一液晶阻挡条和所述第二液晶阻挡条的高度越接近主支撑部件的高度，阻挡液晶流动的效果越好。可选的，所述第一液晶阻挡条和所述第二液晶阻挡条的高度可以等于所述第一弹性支撑部件(主支撑部件，Main PS)的高度，这样，所述第一液晶阻挡条和所述第二液晶阻挡条对液晶的阻挡更为彻底。
在本公开实施例中，所述第一液晶阻挡条和所述第二液晶阻挡条可以均设置在对应于所述彩膜基板的黑矩阵的区域中。这样的设置方式适用于所述第一液晶阻挡条和所述第二液晶阻挡条均采用主支撑部件和辅支撑部件的弹性材料形成的情况。由于主支撑部件和辅支撑部件采用的弹性材料是非透明的，因此为了不影响显示，有必要将所述第一液晶阻挡条和所述第二液晶阻挡条设置在对应于所述彩膜基板的黑矩阵的区域。
当然，所述第一液晶阻挡条和所述第二液晶阻挡条还可以均采用透明材料。在这种情况下，所述第一液晶阻挡条和所述第二液晶阻挡条的设置位置不受限定，可以将所述第一液晶阻挡条和所述第二液晶阻挡条设置在所述彩膜基板的黑矩阵的区域，也可以设置在显示区域，无论设置在哪个区域都不会影响显示面板的显示性能。
在本公开的实施例中，设置所述第一液晶阻挡条和所述第二液晶阻挡条的方式可以称为PS挡墙式设计。在实际应用中，需要重新设计液晶滴注图案，按照各分割区域面积比例，在各区域中滴注相同比例的液晶，当然这是很容 易实现的。
本公开实施例提供的显示面板，相比传统设计方案的大屏显示面板，除了能够避免或减轻由于重力、加速度或高温等因素造成局部显示区域容易出现液晶聚集的现象，还具有其它很多优势，例如显示均一性更好，不容易产生由于盒厚不均匀导致的灰度不均现象，且在触控使用过程中，减少面板受压产生的液晶移动，避免按压水波纹现象。
本公开还提供了一种显示装置，该显示装置包括上述显示面板。该显示装置可以应用于手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。由于该显示装置解决问题的原理与上述显示面板相似，因此该显示装置的实施可以参见上述显示面板的实施，在此不再结合附图对该显示装置进行赘述。
通过本公开实施例，采用在传统TFT-LCD中添加PS挡墙式设计的方式，将较大面板分割成几个相对独立空间，可以阻止液晶在较大区域相互扩散。分割的几个区域需要根据面积按比例滴注液晶量，从而可以保证整个面板的整体显示的均一性。
以上所述是本公开的可选实施例。应当指出，对于本领域的普通技术人员来说，在不脱离本公开的所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为包含在本公开的保护范围之内。

Claims (18)

  1. 一种显示面板，包括：
    阵列基板，
    彩膜基板，以及
    位于所述阵列基板和所述彩膜基板之间的液晶层；
    其中，在所述彩膜基板与所述阵列基板之间设置有液晶阻挡部件，所述液晶阻挡部件将所述显示面板的整个显示区域划分为至少两个子显示区域，所述液晶阻挡部件用于阻挡所述子显示区域之间的液晶流动。
  2. 根据权利要求1所述的显示面板，其中，所述液晶阻挡部件包括至少一个与所述显示面板的边缘平行的第一液晶阻挡条。
  3. 根据权利要求2所述的显示面板，其中，所述液晶阻挡部件还包括至少一个与所述第一液晶阻挡条垂直的第二液晶阻挡条。
  4. 根据权利要求3所述的显示面板，其中，所述第一液晶阻挡条和所述第二液晶阻挡条中的至少一个包括多个间隔设置的阻挡块。
  5. 根据权利要求3或4所述的显示面板，其中，所述第一液晶阻挡条与所述第二液晶阻挡条形成有十字型交叉部。
  6. 根据权利要求3或4所述的显示面板，其中，所述第一液晶阻挡条在所述第一液晶阻挡条的中间位置不中断，所述第二液晶阻挡条在所述第二液晶阻挡条的中间位置中断。
  7. 根据权利要求4所述的显示面板，其中，所述阻挡块长度短且相邻阻挡块之间的间隙小。
  8. 根据权利要求1至7中任一项所述的显示面板，还包括第一弹性支撑部件和第二弹性支撑部件，其中，
    所述第一弹性支撑部件和所述第二弹性支撑部件设置在所述阵列基板与所述彩膜基板之间，并且所述第一弹性支撑部件的高度大于所述第二弹性支撑部件的高度，所述液晶阻挡部件的高度大于所述第二弹性支撑部件的高度且小于所述第一弹性支撑部件的高度。
  9. 根据权利要求1至7中任一项所述的显示面板，还包括第一弹性支撑 部件和第二弹性支撑部件，其中，
    所述第一弹性支撑部件和所述第二弹性支撑部件设置在所述阵列基板与所述彩膜基板之间，并且所述第一弹性支撑部件的高度大于所述第二弹性支撑部件的高度，所述液晶阻挡部件的高度大于所述第二弹性支撑部件的高度且等于所述第一弹性支撑部件的高度。
  10. 根据权利要求8或9所述的显示面板，其中所述第一弹性支撑部件和所述第二弹性支撑部件采用孤岛式设计。
  11. 根据权利要求8至10中任一项所述的显示面板，其中，所述第一弹性支撑部件和所述第二弹性支撑部件采用相同的弹性材料，所述液晶阻挡部件也采用所述弹性材料。
  12. 根据权利要求1至11中任一项所述的显示面板，其中，所述液晶阻挡部件采用透明材料。
  13. 根据权利要求1至12中任一项所述的显示面板，其中，所述液晶阻挡部件设置在对应于所述彩膜基板的黑矩阵的区域。
  14. 根据权利要求12所述的显示面板，其中所述液晶阻挡部件设置在对应于显示区域的区域。
  15. 根据权利要求1至14中任一项所述的显示面板，其中，所有所述子显示区域的面积相同。
  16. 根据权利要求1至14中任一项所述的显示面板，其中，所有所述子显示区域的面积不同。
  17. 根据权利要求11所述的显示面板，其中，所述弹性材料为光阻材料。
  18. 一种显示装置，包括：
    根据权利要求1至17中任一项所述的显示面板。
PCT/CN2016/099456 2015-10-10 2016-09-20 显示面板及显示装置 WO2017059767A1 (zh)

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