WO2020192100A1 - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
WO2020192100A1
WO2020192100A1 PCT/CN2019/112203 CN2019112203W WO2020192100A1 WO 2020192100 A1 WO2020192100 A1 WO 2020192100A1 CN 2019112203 W CN2019112203 W CN 2019112203W WO 2020192100 A1 WO2020192100 A1 WO 2020192100A1
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Prior art keywords
area
light
display
display panel
functional
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PCT/CN2019/112203
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English (en)
French (fr)
Inventor
王硕晟
李骏
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武汉华星光电半导体显示技术有限公司
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Publication of WO2020192100A1 publication Critical patent/WO2020192100A1/zh

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    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors

Definitions

  • the present invention relates to the technical field of display panels, in particular to a display panel and a display device.
  • the display screen is divided into a display area and a functional area, and the front camera is set below the functional area; the display area has a higher PPI, which accounts for a higher proportion of the display screen, and can display pictures more delicately; the functional area has a lower PPI and can A simple screen is displayed.
  • Some areas of the functional area have no metal wiring, which can transmit light and be used for taking pictures with the front camera.
  • it was found that too much reduction in the PPI of the functional area will affect the display quality. If the image quality is not affected, the area of the functional area can only be reduced, which will affect the imaging effect of the camera under the screen.
  • An object of the present invention is to provide a display panel that can solve the problem of poor imaging quality of an under-screen camera in the prior art.
  • the present invention provides a display panel, the surface of which is defined with a display area and a functional area, the functional area is provided with a pixel array, which includes a pixel area and a light-transmitting area, the light-transmitting area includes The base substrate layer, the organic layer, the metal layer and the encapsulation layer, the materials used in all the film layers of the light-transmitting area are flexible materials, and the light-transmitting area is stretchable; wherein, when the light-transmitting area is in In the contracted state, each of the pixels is close to each other, the light-transmitting area becomes smaller, and the functional area can be combined with the display area to achieve a complete display of the display panel surface.
  • the light-transmitting area When the light-transmitting area When in a stretched state, each of the pixels is far away from each other, and the light transmission area becomes larger.
  • a camera module or a light sensor unit is provided at a position below the functional area.
  • the camera module can stretch the light-transmitting area by moving up and down.
  • the material used for the metal layer includes molybdenum or titanium metal.
  • the diameter of the functional area ranges from 1 to 5 mm.
  • the pixel area includes the base substrate, the thin film transistor layer, and the encapsulation layer that are sequentially arranged.
  • the functional area includes 2 or more.
  • a camera module or a light sensor is correspondingly disposed under each of the functional areas.
  • Another object of the present invention is to provide a display device, which includes a main body provided with the display panel related to the present invention, wherein the main body is also provided with a driving member, the driving member can control The up and down movement of the camera module drives the light-transmitting area to switch between the contracted state and the stretched state.
  • the main body is further provided with a main board, and the display effect of the two areas of the display area and the functional area can be adjusted by controlling the main board.
  • the beneficial effect of the present invention is that the present invention provides a display panel and a display device. All film layers in the light-transmitting area are made of flexible materials and can be stretched. By controlling the expansion and contraction state of the light-transmitting area, each pixel Close to or far away from each other; when the camera under the screen does not need to take pictures, the light-transmitting area shrinks, the pixels are close to each other, the functional area and the display area are combined to achieve a complete display of the display panel surface, when the camera under the screen needs to take pictures, the light is transmitted The area is stretched, the pixels are far away from each other, the light transmission area is enlarged, and the imaging effect of the under-screen camera is enhanced.
  • Embodiment 1 is a schematic top view of a display panel provided by Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a cross-sectional structure of a functional area when the light-transmitting area is in a contracted state according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic top view of the functional area when the light-transmitting area is in a contracted state according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic diagram of the cross-sectional structure of the functional area when the light-transmitting area is in a stretched state according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic diagram of the top view structure of the functional area when the light-transmitting area is in a stretched state according to Embodiment 1 of the present invention
  • FIG. 7 is a schematic diagram of the structure of each pixel when the light-transmitting area is in a stretched state according to Embodiment 1 of the present invention.
  • first and second may explicitly or implicitly include one or more of these characteristics.
  • plural means two or more.
  • the term “including” and any variations thereof is intended to cover non-exclusive inclusion.
  • FIG. 1 shows a schematic top view of the display panel provided in this embodiment.
  • the surface of the display panel defines a functional area 1 and a display area 2.
  • the diameter range of the functional area 1 It is 1-5mm, and a camera module is set below the functional area.
  • the function area 1 is provided with an array of pixels 100, including a pixel area 10 and a light-transmitting area 20.
  • the pixel area 10 includes a base substrate layer 11, a thin film transistor layer 12, and an encapsulation layer 13 arranged in sequence;
  • the thin film transistor layer 12 includes a buffer layer 121, a gate insulating layer 122, a gate layer 123, and a source and drain layer 124 arranged in sequence ⁇ Pixel electrode layer 125.
  • the light-transmitting area 20 includes a base substrate layer 21, an organic layer 22, a metal layer 200, and an encapsulation layer 23 sequentially arranged.
  • the base substrate layer 21, the organic layer 22 and the encapsulation layer 23 are all made of flexible materials, which can be When the deformation occurs, the metal layer 200 adopts a bendable metal, so the entire light-transmitting area 20 is stretchable, and has two states of contraction and stretching.
  • the metal layer 200 can be made of molybdenum or titanium, and can also be made of other metals with good bending properties, which can be determined as required, and is not limited herein.
  • the camera at the position below the functional area 1 can move up and down.
  • the light-transmitting area 20 is deformed due to the flexible material, so the light-transmitting area 20 is acted upon by the camera upwards
  • the light-transmitting area 20 shrinks.
  • FIG. 2 is a schematic diagram of the cross-sectional structure of the functional area when the light-transmitting area is in a contracted state provided by this embodiment
  • FIG. 3 is a schematic diagram of the functional area when the wiring is in a contracted state provided by this embodiment
  • FIG. 4 Shown in this embodiment is a schematic diagram of the structure of each pixel when the wiring is in a contracted state.
  • each pixel 100 When the light-transmitting area 20 is in a contracted state, each pixel 100 is close to each other, the pixel density in the functional area 1 becomes larger, and the light is transparent The area of the area 20 becomes smaller, and the functional area 1 and the display area 2 are combined to realize a complete display of the surface of the display panel, and the display quality of the functional area of the display panel is improved due to the increase of PPI.
  • FIG. 5 shows the cross-sectional structure diagram of the functional area provided by this embodiment when the light-transmitting area is in a stretched state
  • FIG. 6 shows the cable routing provided by this embodiment.
  • FIG. 7 shows the schematic diagram of the structure of each pixel when the wiring is in the stretched state provided by this embodiment.
  • the number of functional areas is not limited to one, but can be two or more; the location of the functional areas is not limited to the top of the display panel, and can be anywhere on the display panel; the number of functional areas is set ,
  • the setting size and setting position can be determined as needed, and there is no limitation here.
  • This embodiment provides a display device, which includes a main body provided with the display panel related to the present invention, wherein a driving member is also provided on the main body, and the driving member can control the vertical movement of the camera to drive the light transmission Zone 20 switches between a contracted state and a stretched state.
  • the driver controls the camera to move downwards, the light-transmitting area 20 shrinks, the pixels 100 are close to each other, the area of the pixel area 10 in the functional area 1 becomes larger, and the area of the light-transmitting area 20 becomes smaller.
  • the pixel density in zone 1 becomes larger, and the functional zone 1 and display zone 2 are combined to achieve a complete display of the display panel surface. Due to the increase in PPI, the display quality of the display panel functional zone is improved; when the camera needs to take pictures under the screen, The driver controls the camera to move upwards, the light-transmitting area 20 stretches, and the pixels 100 move away from each other.
  • the pixel density in the functional area 1 increases, the area of the pixel area 10 in the functional area 1 becomes smaller, and the area of the light-transmitting area 20 increases.
  • the imaging effect of the camera under the screen is enhanced.
  • the main body is also provided with a main board, and the display effect of the display area 1 and the functional area 2 can be adjusted by controlling the main board.
  • the beneficial effect of the present invention is that the present invention provides a display panel and a display device. All film layers in the light-transmitting area are made of flexible materials and can be stretched. By controlling the expansion and contraction state of the light-transmitting area, each pixel Close to or far away from each other; when the camera under the screen does not need to take pictures, the light-transmitting area shrinks, the pixels are close to each other, the functional area and the display area are combined to achieve a complete display of the display panel surface, when the camera under the screen needs to take pictures, the light is transmitted The area is stretched, the pixels are far away from each other, the light transmission area is enlarged, and the imaging effect of the under-screen camera is enhanced.

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  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板及显示装置，显示面板其表面定义有显示区（2）和功能区（1），功能区（1）上设置有像素（100）阵列，其包括像素区（10）和透光区（20），透光区（20）包括依次设置的衬底基板层（21）、有机层（22）、金属层（200）和封装层（23），透光区（20）所有膜层采用的材料都是柔性材料，透光区（20）是可伸缩的。

Description

一种显示面板及显示装置 技术领域
本发明涉及显示面板技术领域，特别涉及一种显示面板及显示装置。
 背景技术
随着智能手机的更新换代，高屏占比手机市占率越来越高，为了提高屏占比，手机厂商会尽量把传感器设计到屏幕下。目前，屏下指纹识别技术已经实现商用，屏幕发声、屏下虹膜识别技术也越来越成熟，促进了屏占比进一步提高。但前置摄像头对成像质量要求较高，而屏下摄像头成像质量不佳，使得屏下摄像头的实现难度较大。
为了实现屏下摄像头，现有技术中有许多设计方法，其中之一是降低前置摄像头区域上方屏幕的PPI(Pixels Per Inch，像素密度）。具体实现如下：显示屏分为显示区和功能区，前置摄像头设置于功能区下方；显示区PPI较高，占显示屏比例较高，可以较为细腻地显示画面；功能区PPI较低，可以显示简单画面。功能区有部分区域无金属走线，可以透过光线，用于前置摄像头拍照使用。但实践过程中发现，功能区的PPI降低太多会影响显示画质，若想画质不受影响，则只能将功能区的面积变小，这样一来又影响屏下摄像头的成像效果。
因此，确有必要来开发一种新型的显示面板，以克服现有技术的缺陷。
 技术问题
本发明的一个目的是提供一种显示面板，其能够解决现有技术中屏下摄像头成像质量不佳的问题。
 技术解决方案
为实现上述目的，本发明提供一种显示面板，其表面定义有显示区和功能区，所述功能区上设置有像素阵列，其包括像素区和透光区，所述透光区包括依次设置的衬底基板层、有机层、金属层和封装层，所述透光区所有膜层采用的材料都是柔性材料，所述透光区是可伸缩的；其中，当所述透光区处于收缩状态时，每个所述像素相互靠近，所述透光区变小，同时所述功能区能够与所述显示区结合在一起实现所述显示面板表面的完整显示，当所述透光区处于拉伸状态时，每个所述像素相互远离，所述透光区变大。
进一步的，在其他实施方式中，其中所述功能区的下方位置处设置有摄像头模组或是光传感器单元。
进一步的，在其他实施方式中，其中所述摄像头模组能够通过上下移动使所述透光区伸缩。
进一步的，在其他实施方式中，其中所述金属层采用的材料包括钼或钛金属。
进一步的，在其他实施方式中，其中所述功能区的直径大小范围为1-5mm。
进一步的，在其他实施方式中，其中所述像素区包括依次设置的所述衬底基板、薄膜晶体管层、封装层。
进一步的，在其他实施方式中，其中功能区包括2个或以上数量。
进一步的，在其他实施方式中，其中每一所述功能区下对应设置有一摄像头模组或一光传感器。
本发明的另一目的是提供一种显示装置，其包括本体，所述本体上设置有本发明涉及的所述的显示面板，其中所述本体上还设置有一驱动件，所述驱动件能够控制所述摄像头模组的上下移动，带动所述透光区在所述收缩状态和所述拉伸状态之间转换。
进一步的，在其他实施方式中，其中所述本体上还设置有主板，通过控制所述主板能够调控所述显示区和所述功能区两块区域的显示效果。
 有益效果
相对于现有技术，本发明的有益效果在于：本发明提供一种显示面板及显示装置，透光区所有膜层均采用柔性材料并且能够伸缩，通过控制透光区的伸缩状态，使得各像素相互靠近或远离；当屏下摄像头不需要拍照时，透光区收缩，各像素相互靠近，功能区与显示区结合在一起实现显示面板表面的完整显示，当屏下摄像头需要拍照时，透光区拉伸，各像素相互远离，透光区增大，屏下摄像头成像效果增强。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例1提供的显示面板的俯视示意图；
图2为本发明实施例1提供的当透光区处于收缩状态时功能区的剖面结构示意图；
图3为本发明实施例1提供的当透光区处于收缩状态时功能区的俯视结构示意图；
图4为本发明实施例1提供的当透光区处于收缩状态时各像素的结构示意图；
图5为本发明实施例1提供的当透光区处于拉伸状态时功能区的剖面结构示意；
图6为本发明实施例1提供的当透光区处于拉伸状态时功能区的俯视结构示意；
图7为本发明实施例1提供的当透光区处于拉伸状态时各像素的结构示意图。
 本发明的最佳实施方式
下面将结合本发明实施例中的附图，对本发明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发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用于描述本发明的示例性实施例的目的。但是本发明可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本发明的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，属于“第一”“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定由“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
实施例1
请参阅图1，本实施例提供一种显示面板，图1所示为本实施例提供的显示面板的俯视示意图，显示面板表面定义有功能区1和显示区2，功能区1的直径大小范围为1-5mm，功能区的下方位置处设置有摄像头模组。
请参阅图2、图3和图4，功能区1上设置有像素100阵列，包括像素区10和透光区20。像素区10包括依次设置的衬底基板层11、薄膜晶体管层12和封装层13；薄膜晶体管层12包括依次设置的缓冲层121、栅极绝缘层122、栅极层123、源漏极层124和像素电极层125。
透光区20包括依次设置的衬底基板层21、有机层22、金属层200和封装层23，衬底基板层21、有机层22和封装层23都采用柔性材料，在外力的作用下能够发生形变，金属层200采用可弯折的金属，所以整个透光区20是可伸缩的，具有收缩和拉伸两种状态。
金属层200可以采用钼或钛金属，也可以采用其他弯折性好的金属，可随需要而定，在此不做限定。
功能区1下方位置处的摄像头能够上下移动，通过向上移动接触功能区1并将功能区1顶起，透光区20因都是柔性材料能够发生形变，故透光区20受到摄像头向上的作用力而拉伸；摄像头向下移动时，透光区20收缩。
图2所示为本实施例提供的当透光区处于收缩状态时功能区的剖面结构示意图，图3所示为本实施例提供的当走线处于收缩状态时功能区的结构示意图，图4所示为本实施例提供的当走线处于收缩状态时各像素的结构示意图，当透光区20处于收缩状态时，每个像素100相互靠近，功能区1中的像素密度变大，透光区20面积变小，功能区1与显示区2结合在一起实现显示面板表面的完整显示，因PPI增大故而提升了显示面板功能区的显示质量。
请参阅图5、图6和图7，图5所示为本实施例提供的当透光区处于拉伸状态时功能区的剖面结构示意，图6所示为本实施例提供的当走线处于拉伸状态时功能区的结构示意图，图7所示为本实施例提供的当走线处于拉伸状态时各像素的结构示意图，当透光区20处于拉伸状态时，每个像素100相互远离，功能区1中的像素密度变小，透光区20的面积变大，因此功能区1下方位置处的摄像头得到的光线增多，成像效果增强。
在其他实施方式中，功能区的数量不限于1个，可以为两个或两个以上；功能区的设置位置也不限于显示面板的上方，可以在显示面板的任何位置；功能区的设置数量、设置大小和设置位置均可随需要而定，在此不做限定。
实施例2
本实施例提供一种显示装置，其包括本体，所述本体上设置有本发明所涉及的所述显示面板，其中本体上还设置有一驱动件，驱动件能够控制摄像头的上下移动，带动透光区20在收缩状态和拉伸状态之间转换。
当屏下摄像头不需要拍照时，驱动件控制摄像头向下移动，透光区20收缩，各像素100相互靠近，功能区1中的像素区10面积变大，透光区20面积变小，功能区1中的像素密度变大，功能区1与显示区2结合在一起实现显示面板表面的完整显示，因PPI增大故而提升了显示面板功能区的显示质量；当屏下摄像头需要拍照时，驱动件控制摄像头向上移动，透光区20拉伸，各像素100相互远离，功能区1中的像素密度变大，功能区1中的像素区10面积变小，透光区20面积增大，屏下的摄像头成像效果增强。
其中本体上还设置有主板，通过控制所述主板能够调控显示区1和功能区2两块区域的显示效果。
相对于现有技术，本发明的有益效果在于：本发明提供一种显示面板及显示装置，透光区所有膜层均采用柔性材料并且能够伸缩，通过控制透光区的伸缩状态，使得各像素相互靠近或远离；当屏下摄像头不需要拍照时，透光区收缩，各像素相互靠近，功能区与显示区结合在一起实现显示面板表面的完整显示，当屏下摄像头需要拍照时，透光区拉伸，各像素相互远离，透光区增大，屏下摄像头成像效果增强。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (15)

  1. 一种显示面板，其中，其表面定义有显示区和功能区，所述功能区上设置有像素阵列，其包括像素区和透光区，所述透光区包括依次设置的衬底基板层、有机层、金属层和封装层，所述透光区所有膜层采用的材料都是柔性材料，所述透光区是可伸缩的；其中，当所述透光区处于收缩状态时，每个所述像素相互靠近，所述透光区变小，同时所述功能区能够与所述显示区结合在一起实现所述显示面板表面的完整显示，当所述透光区处于拉伸状态时，每个所述像素相互远离，所述透光区变大。
  2. 根据权利要求1所述的显示面板，其中，所述功能区的下方位置处设置有摄像头模组或是光传感器单元。
  3. 根据权利要求2所述的显示面板，其中，所述摄像头模组能够通过上下移动使所述透光区伸缩。
  4. 根据权利要求1所述的显示面板，其中，所述金属层采用的材料包括钼或钛金属。
  5. 根据权利要求1所述的显示面板，其中，所述功能区的直径大小范围为1-5mm。
  6. 根据权利要求1所述的显示面板，其中，所述像素区包括依次设置的所述衬底基板、薄膜晶体管层、封装层。
  7. 根据权利要求1所述的显示面板，其中，所述功能区包括2个或以上数量。
  8. 根据权利要求7所述的显示面板，其中，每一所述功能区下对应设置有一摄像头模组或一光传感器。
  9. 一种显示装置，其包括本体，其中，所述本体上设置有如权利要求3所述的显示面板，其中所述本体上还设置有一驱动件，所述驱动件能够控制所述摄像头模组的上下移动，带动所述透光区在所述收缩状态和所述拉伸状态之间转换。
  10. 根据权利要求9所述的显示装置，其中，所述本体上还设置有主板，通过控制所述主板能够调控所述显示区和所述功能区两块区域的显示效果。
  11. 根据权利要求9所述的显示装置，其中，所述金属层采用的材料包括钼或钛金属。
  12. 根据权利要求9所述的显示装置，其中，所述功能区的直径大小范围为1-5mm。
  13. 根据权利要求9所述的显示装置，其中，所述像素区包括依次设置的所述衬底基板、薄膜晶体管层、封装层。
  14. 根据权利要求9所述的显示装置，其中，所述功能区包括2个或以上数量。
  15. 根据权利要求14所述的显示装置，其中，每一所述功能区下对应设置有一摄像头模组或一光传感器。
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