WO2020133821A1 - 一种oled显示面板及智能终端 - Google Patents

一种oled显示面板及智能终端 Download PDF

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Publication number
WO2020133821A1
WO2020133821A1 PCT/CN2019/083146 CN2019083146W WO2020133821A1 WO 2020133821 A1 WO2020133821 A1 WO 2020133821A1 CN 2019083146 W CN2019083146 W CN 2019083146W WO 2020133821 A1 WO2020133821 A1 WO 2020133821A1
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Prior art keywords
area
pixel
sub
pixels
light
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PCT/CN2019/083146
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English (en)
French (fr)
Inventor
郑敏
高洪
金武谦
赵勇
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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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Priority to US16/477,364 priority Critical patent/US11374061B2/en
Publication of WO2020133821A1 publication Critical patent/WO2020133821A1/zh

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    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • 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
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • 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 invention relates to the technical field of display panels, in particular to an OLED display panel and an intelligent terminal.
  • mobile phone display screens on the market are showing a full-screen trend, for example, "bang screen”, "drop screen”, etc., which gradually reduces the cutting area of the non-display area of the screen.
  • dig holes in the pixel area and place sensor elements at the corresponding positions under the screen and the holes In order to free up the digging area in the pixel area, at least one sub-pixel in the pixel area needs to be removed or the area of at least one sub-pixel needs to be reduced, resulting in a difference in the number or size of the sub-pixels in the pixel area and the display area, so that the pixel area
  • the difference in pixel density from the display area results in a significant difference in the luminous efficiency between the pixel area and the display area.
  • Embodiments of the present invention provide an OLED display panel and an intelligent terminal to solve the problem of excessive difference in luminous efficiency between the pixel area and the display area in the existing display panel.
  • An embodiment of the present invention provides an OLED display panel, including an electronic component area for placing a sensor element and a pixel area; the pixel area is provided with at least one light-transmitting area, the electronic element area and the at least one transparent Corresponding to the position of the light zone;
  • a plurality of sub-pixels are also arranged in the pixel area, and the pixel density of the sub-pixels gradually decreases toward the center of the pixel area.
  • the area of the sub-pixel gradually decreases, so that the pixel density of the sub-pixel gradually decreases.
  • the pixel gap In the direction toward the center of the pixel area, the pixel gap gradually increases, and the number and area of the light-transmitting areas gradually increase.
  • the number of the sub-pixels gradually decreases, so that the pixel density of the sub-pixels gradually decreases.
  • At least one sub-pixel area is also provided in the pixel area, and the light-transmitting area is correspondingly provided in the sub-pixel area;
  • the number of the sub-pixel areas gradually increases, and the number of the light-transmitting areas gradually increases.
  • the area and number of the sub-pixels alternately decrease, so that the pixel density of the sub-pixel gradually decreases.
  • the pixel area is divided into at least one first area and at least one second area;
  • the first area and the second area are alternately arranged, and the area of the sub-pixels in the first area gradually decreases, and the sub-pixels in the second area The number is gradually decreasing.
  • the pixel gap in the first area gradually increases, and the number and area of light-transmitting areas in the first area gradually increase.
  • At least one sub-pixel area is provided in the second area, and the light-transmitting area in the second area is correspondingly provided in the sub-pixel area;
  • the number of sub-pixel areas in the second area gradually increases, and the number of light-transmitting areas gradually increases.
  • the OLED display panel further includes a display area provided outside the pixel area, and a plurality of sub-pixels are arranged in the display area;
  • the pixel density of the sub-pixels in the display area is greater than the pixel density of the sub-pixels in the pixel area.
  • An embodiment of the present invention also provides an intelligent terminal, including a sensor element and an OLED display panel;
  • the OLED display panel includes an electronic element area and a pixel area; at least one light-transmitting area is provided in the pixel area, the electronic element area corresponds to the position of the at least one light-transmitting area; the sensor element is provided at In the electronic component area;
  • a plurality of sub-pixels are also arranged in the pixel area, and the pixel density of the sub-pixels gradually decreases toward the center of the pixel area.
  • the area of the sub-pixel gradually decreases, so that the pixel density of the sub-pixel gradually decreases.
  • the pixel gap In the direction toward the center of the pixel area, the pixel gap gradually increases, and the number and area of the light-transmitting areas gradually increase.
  • the number of the sub-pixels gradually decreases, so that the pixel density of the sub-pixels gradually decreases.
  • At least one sub-pixel area is also provided in the pixel area, and the light-transmitting area is correspondingly provided in the sub-pixel area;
  • the number of the sub-pixel areas gradually increases, and the number of the light-transmitting areas gradually increases.
  • the area and number of the sub-pixels alternately decrease, so that the pixel density of the sub-pixel gradually decreases.
  • the pixel area is divided into at least one first area and at least one second area;
  • the first area and the second area are alternately arranged, and the area of the sub-pixels in the first area gradually decreases, and the sub-pixels in the second area The number is gradually decreasing.
  • the pixel gap in the first area gradually increases, and the number and area of light-transmitting areas in the first area gradually increase.
  • At least one sub-pixel area is provided in the second area, and the light-transmitting area in the second area is correspondingly provided in the sub-pixel area;
  • the number of sub-pixel areas in the second area gradually increases, and the number of light-transmitting areas gradually increases.
  • the OLED display panel further includes a display area provided outside the pixel area, and a plurality of sub-pixels are arranged in the display area;
  • the pixel density of the sub-pixels in the display area is greater than the pixel density of the sub-pixels in the pixel area.
  • the beneficial effects of the present invention are: after the pixel area is provided with a light-transmitting area, in the direction toward the center of the pixel area, the pixel density of the sub-pixels arranged in the pixel area is gradually reduced to avoid the abrupt change in the pixel density of the pixel area In order to avoid the difference in luminous efficiency between the pixel area and the display area being too large, thereby reducing the visual difference between the pixel area and the display area.
  • FIG. 1 is a schematic structural diagram of an OLED display panel provided by an embodiment of the present invention.
  • FIG. 2 is a distribution diagram of a pixel area and a display area in an OLED display panel provided by an embodiment of the present invention
  • FIG. 3 is another distribution diagram of the pixel area and the display area in the OLED display panel provided by an embodiment of the present invention.
  • FIG. 4 is another distribution diagram of the pixel area and the display area in the OLED display panel provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an intelligent terminal provided by an embodiment of the present invention.
  • the OLED display panel includes a display area 10 and a pixel area (O-cut area) 20.
  • the pixel area 20 may be a circular area or other shape areas.
  • the left side of the boundary line C is the display area 10
  • the right side of the boundary line C is the pixel area 20.
  • the bottom of the OLED display panel is provided with an electronic component area (not shown in the figure).
  • the electronic component area is used for placing sensor elements, such as a sensing unit of a camera.
  • the positions of the electronic element area and the pixel area 20 correspond.
  • the pixel area 20 is provided with at least one light-transmitting area 21, and the electronic element area corresponds to the position of the at least one light-transmitting area 21, thereby improving the light transmittance of the electronic element area, so as to place the sensor element in the electronic element area, increasing The proportion of the display.
  • the light-transmitting region 21 may be a through hole filled with a transparent material, and the transparent material may be siloxane or transparent polyimide (CPI).
  • the transparent material may be siloxane or transparent polyimide (CPI).
  • a plurality of sub-pixels 11 are arranged in the display area 10, and a plurality of sub-pixels 22 are arranged in the pixel area 20.
  • the sub-pixels 11 and 22 each include a blue sub-pixel B, a red sub-pixel R, a green sub-pixel G, and so on.
  • the pixel density of the sub-pixel 22 gradually decreases toward the center of the pixel area 20. It should be noted that although the pixel density of the pixel area 20 changes, the overall luminous effect of the pixel area 20 remains unchanged. The purpose of maintaining the overall luminous effect of the pixel area 20 can be achieved by increasing the luminous intensity of the sub-pixels 22.
  • the direction of the boundary line C toward the position O is the direction A toward the center of the pixel area 20.
  • the sub-pixels 22 are arranged in a gradual manner, that is, the closer to the position O, the smaller the pixel density of the sub-pixel 22, and the closer to the boundary line C, the greater the pixel density of the sub-pixel 22.
  • the pixel density of the sub-pixel 11 of the display area 10 is greater than the pixel density of the sub-pixel 22 of the pixel area 20.
  • the pixel density of the sub-pixels in the pixel area changes in a gradual manner, which can avoid the problem of excessive difference in the luminous efficiency between the pixel area and the display area due to the sudden change in the pixel density of the pixel area, thereby reducing the pixel area and the display area The visual difference between.
  • the number of sub-pixels 22 in the direction A toward the center of the pixel area 20, the number of sub-pixels 22 remains unchanged, but the area of the sub-pixels 22 gradually decreases, so that the sub-pixels The pixel density of 22 gradually decreases.
  • the area of the sub-pixels with the same color gradually decreases.
  • the area of the blue sub-pixel B near the position O is smaller than the area of the blue sub-pixel B near the boundary line C
  • the area near the position O The area of the red color sub-pixel R is smaller than the area of the red sub-pixel R near the boundary C
  • the area of the green sub-pixel G near the position O is smaller than the area of the green sub-pixel G near the boundary C.
  • the pixel gap gradually increases, and the number and area of the light-transmitting areas 21 gradually increase.
  • the number of sub-pixels 22 remains unchanged, and the area of the sub-pixels 22 gradually decreases, thereby causing the pixel gap between the sub-pixels 22 to gradually increase.
  • the light area 21 makes the number and size of the light-transmitting areas 21 change in a gradual manner, that is, the closer to the position O, the larger the pixel gap and the number and area of the light-transmitting areas 21, and the closer to the boundary line C, the pixel gap and The smaller the number and area of the light transmitting regions 21 are.
  • the area of the sub-pixels 22 remains unchanged, but the number of sub-pixels 22 gradually decreases, so that the sub-pixels The pixel density of the pixel 22 gradually decreases.
  • the number of sub-pixels 22 near the position O is less than the number of sub-pixels 22 near the boundary C.
  • At least one sub-pixel area 23 is also provided in the pixel area 20, and the number of the sub-pixel areas 23 is the same as the number of the light-transmitting area 21, so that the light-transmitting area 21 can be correspondingly provided within the pixel area 23.
  • the sub-pixel area 23 is originally provided with the sub-pixel 22, and by providing the light-transmitting area 21 in the sub-pixel area 23, the sub-pixel 22 in the sub-pixel area 23 is removed.
  • the 9 sub-pixel areas 23 in FIG. 3 are originally filled with 3 green sub-pixels G, 3 blue sub-pixels B, and 2 red sub-pixels R.
  • the number of the sub-pixel areas 23 gradually increases, and the number of the light-transmitting areas 21 gradually increases.
  • the area of the sub-pixel 22 remains unchanged, and the number of sub-pixel areas 23 provided with light-transmitting areas gradually increases, so that the number of light-transmitting areas 21 also changes in a gradual manner, that is, the closer to the position O, The larger the number of sub-pixel regions 23 and the number of translucent regions 21 provided with light-transmitting regions, the closer to the boundary line C, the more the number of sub-pixel regions 23 and the number of translucent regions 21 provided with light-transmitting regions small.
  • the area and number of the sub-pixels 22 alternately decrease, so that the pixels of the sub-pixel 22 The density gradually decreases.
  • the pixel area 20 is divided into at least one first area and at least one second area, and the first area and the second area are alternately arranged in a direction A toward the center of the pixel area 20. As shown in FIG. 4, in the direction A toward the center of the pixel area 20, the area and number of the sub-pixels 22 alternately decrease, so that the pixels of the sub-pixel 22 The density gradually decreases.
  • the pixel area 20 is divided into at least one first area and at least one second area, and the first area and the second area are alternately arranged in a direction A toward the center of the pixel area 20.
  • the pixel area 20 is divided into two first areas and two second areas, the area between the boundary line C and the virtual line C1 is the first area, and the area between the virtual line C1 and the virtual line C2 The area is the second area, the area between the virtual line C2 and the virtual line C3 is the first area, and the area between the virtual line C3 and the position O is the second area.
  • the area of the sub-pixels in the first area gradually decreases, and the number of sub-pixels in the second area gradually decreases.
  • the number of sub-pixels 22 in the first area remains unchanged, but the area of the sub-pixels 22 gradually decreases.
  • the area of the sub-pixel 22 in the first area between the virtual line C2 and the virtual line C3 is smaller than the area of the sub-pixel in the first area between the boundary line C and the virtual line C1.
  • there is a pixel gap between adjacent sub-pixels 22 in the first area and the light-transmitting area 21 is provided in the pixel gap.
  • the pixel gap gradually increases, and the number and area of the light-transmitting areas 21 gradually increase.
  • the pixel gap in the first area between the virtual line C2 and the virtual line C3 and the number and area of the light-transmitting areas 21 are respectively smaller than the pixel gap and the transparent area in the first area between the boundary line C and the virtual line C1 The number and area of light zones 21.
  • the area of the sub-pixels 22 in the second area remains unchanged, but the number of sub-pixels 22 gradually decreases.
  • the number of sub-pixels in the second area between the virtual line C3 and the position O is smaller than the number of sub-pixels in the second area between the virtual line C1 and the virtual line C2.
  • at least one sub-pixel area is also provided in the second area, and the number of sub-pixel areas is the same as the number of the light-transmitting areas 21, so that the light-transmitting areas 21 can be correspondingly disposed in the sub-pixel area.
  • the number of sub-pixel regions gradually increases, and the number of light-transmitting regions 21 gradually increases.
  • the number of sub-pixel areas and light-transmitting areas 21 in the second area between the virtual line C3 and the position O are smaller than the number of sub-pixel areas and light-transmitting areas in the second area between the virtual line C1 and the virtual line C2, respectively The number of District 21.
  • the pixel density of the sub-pixels arranged in the pixel area is gradually reduced in the direction toward the center of the pixel area to avoid pixels in the pixel area The density changes suddenly, so as to avoid the difference in the luminous efficiency between the pixel area and the display area being too large, thereby reducing the visual difference between the pixel area and the display area.
  • the smart terminal includes a sensor element 51 and an OLED display panel 52.
  • the OLED display panel 52 is the OLED panel in the above embodiment, and will not be described in detail here.
  • the sensor element 51 is provided in the electronic element area 53 on the back of the OLED display panel 52.
  • the electronic element area 53 may be a groove on the back of the OLED display panel 52, that is, the sensor element 51 may be provided in the concave on the back of the OLED display panel 52 In the slot.
  • the electronic element region 53 corresponds to the light-transmitting region 21 in the pixel region, so that the sensor element 51 corresponds to the light-transmitting region 21.
  • the sensor element 51 may be a sensor unit of a camera.
  • the pixel density of the sub-pixels arranged in the pixel area is gradually reduced in the direction toward the center of the pixel area, avoiding the pixel density of the pixel area Sudden change, thereby avoiding that the difference in luminous efficiency between the pixel area and the display area is too large, thereby reducing the visual difference between the pixel area and the display area.

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Abstract

一种OLED显示面板(52)及智能装置，包括用于放置传感器元件(51)的电子元件区(53)以及像素区(20)；像素区(20)中设有至少一个透光区(21)，电子元件区(53)与至少一个透光区(21)的位置相对应；像素区(20)中还排列有多个子像素(22)，且在朝向像素区(20)的中心方向(A)上，子像素(22)的像素密度逐渐减小。

Description

一种OLED显示面板及智能终端 技术领域
本发明涉及显示面板技术领域，尤其涉及一种OLED显示面板及智能终端。
 背景技术
目前，市场上的手机显示屏呈全面屏的趋势，例如，“刘海屏”、“水滴屏”等，使得屏幕非显示区的切割区逐步缩小。为了进一步缩小切割区，在像素区挖孔，并在屏下与孔的对应位置放置传感器元件。而为了在像素区腾出挖孔区域，需要将像素区的至少一个子像素去除或者缩减至少一个子像素的面积，导致像素区与显示区的子像素个数或大小存在差异，从而使像素区与显示区的像素密度产生差异，进而导致像素区与显示区的发光效率具有明显差异。
 技术问题
本发明实施例提供一种OLED显示面板及智能终端，以解决现有显示面板中的像素区与显示区的发光效率差异过大的问题。
 技术解决方案
本发明实施例提供了一种OLED显示面板，包括用于放置传感器元件的电子元件区以及像素区；所述像素区中设有至少一个透光区，所述电子元件区与所述至少一个透光区的位置相对应；
所述像素区中还排列有多个子像素，且在朝向所述像素区的中心方向上，所述子像素的像素密度逐渐减小。
进一步地，在朝向所述像素区的中心方向上，所述子像素的面积逐渐减小，使得所述子像素的像素密度逐渐减小。
进一步地，相邻子像素之间具有像素间隙，所述透光区设于所述像素间隙中；
在朝向所述像素区的中心方向上，所述像素间隙逐渐增大，所述透光区的个数和面积逐渐增大。
进一步地，在朝向所述像素区的中心方向上，所述子像素的个数逐渐减小，使得所述子像素的像素密度逐渐减小。
进一步地，所述像素区中还设有至少一个子像素区，所述透光区对应设于所述子像素区内；
在朝向所述像素区的中心方向上，所述子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
进一步地，在朝向所述像素区的中心方向上，所述子像素的面积和个数交替减小，使得所述子像素的像素密度逐渐减小。
进一步地，所述像素区被划分为至少一个第一区和至少一个第二区；
在朝向所述像素区的中心方向上，所述第一区和所述第二区交替设置，且所述第一区中的子像素的面积逐渐减小，所述第二区中的子像素的个数逐渐减小。
进一步地，所述第一区中的相邻子像素之间具有像素间隙，所述第一区中的透光区设于所述像素间隙中；
在朝向所述像素区的中心方向上，所述第一区中的像素间隙逐渐增大，所述第一区中的透光区的个数和面积逐渐增大。
进一步地，所述第二区中设有至少一个子像素区，所述第二区中的透光区对应设于所述子像素区内；
在朝向所述像素区的中心方向上，所述第二区中的子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
进一步地，所述OLED显示面板还包括设置在所述像素区外的显示区，所述显示区中排列有多个子像素；
所述显示区的子像素的像素密度大于所述像素区的子像素的像素密度。
本发明实施例还提供一种智能终端，包括传感器元件以及OLED显示面板；
所述OLED显示面板包括电子元件区以及像素区；所述像素区中设有至少一个透光区，所述电子元件区与所述至少一个透光区的位置相对应；所述传感器元件设于所述电子元件区中；
所述像素区中还排列有多个子像素，且在朝向所述像素区的中心方向上，所述子像素的像素密度逐渐减小。
进一步地，在朝向所述像素区的中心方向上，所述子像素的面积逐渐减小，使得所述子像素的像素密度逐渐减小。
进一步地，相邻子像素之间具有像素间隙，所述透光区设于所述像素间隙中；
在朝向所述像素区的中心方向上，所述像素间隙逐渐增大，所述透光区的个数和面积逐渐增大。
进一步地，在朝向所述像素区的中心方向上，所述子像素的个数逐渐减小，使得所述子像素的像素密度逐渐减小。
进一步地，所述像素区中还设有至少一个子像素区，所述透光区对应设于所述子像素区内；
在朝向所述像素区的中心方向上，所述子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
进一步地中，在朝向所述像素区的中心方向上，所述子像素的面积和个数交替减小，使得所述子像素的像素密度逐渐减小。
进一步地，所述像素区被划分为至少一个第一区和至少一个第二区；
在朝向所述像素区的中心方向上，所述第一区和所述第二区交替设置，且所述第一区中的子像素的面积逐渐减小，所述第二区中的子像素的个数逐渐减小。
进一步地，所述第一区中的相邻子像素之间具有像素间隙，所述第一区中的透光区设于所述像素间隙中；
在朝向所述像素区的中心方向上，所述第一区中的像素间隙逐渐增大，所述第一区中的透光区的个数和面积逐渐增大。
进一步地，所述第二区中设有至少一个子像素区，所述第二区中的透光区对应设于所述子像素区内；
在朝向所述像素区的中心方向上，所述第二区中的子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
进一步地，所述OLED显示面板还包括设置在所述像素区外的显示区，所述显示区中排列有多个子像素；
所述显示区的子像素的像素密度大于所述像素区的子像素的像素密度。
 有益效果
本发明的有益效果为：像素区在设有透光区后，在朝向所述像素区的中心方向上，使像素区中排列的子像素的像素密度逐渐减小，避免像素区的像素密度突变，进而避免像素区与显示区的发光效率差异过大，从而减小像素区与显示区之间的视觉差异。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，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为本发明实施例提供的OLED显示面板的结构示意图；
图2为本发明实施例提供的OLED显示面板中像素区和显示区的一分布图；
图3为本发明实施例提供的OLED显示面板中像素区和显示区的另一分布图；
图4为本发明实施例提供的OLED显示面板中像素区和显示区的又一分布图；
图5为本发明实施例提供的智能终端的结构示意图。
 本发明的实施方式
以下参考说明书附图介绍本发明的优选实施例，用以举例证明本发明可以实施，这些实施例可以向本领域中的技术人员完整介绍本发明的技术内容，使得本发明的技术内容更加清楚和便于理解。然而本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例。
本发明说明书中使用的术语仅用来描述特定实施方式，而并不意图显示本发明的概念。除非上下文中有明确不同的意义，否则，以单数形式使用的表达涵盖复数形式的表达。在本发明说明书中，应理解，诸如“包括”、“具有”以及“含有”等术语意图说明存在本发明说明书中揭示的特征、数字、步骤、动作或其组合的可能性，而并不意图排除可存在或可添加一个或多个其他特征、数字、步骤、动作或其组合的可能性。附图中的相同参考标号指代相同部分。
如图1所示，OLED显示面板包括显示区10和像素区（O-cut区）20，像素区20可以为圆形区域，也可以为其他形状区域。如图2所示，分界线C的左侧即为显示区10，分界线C的右侧即为像素区20。OLED显示面板的底部设有电子元件区（图中未示出），电子元件区用于放置传感器元件，例如摄像头的传感单元。电子元件区和像素区20的位置相对应。像素区20中开设有至少一个透光区21，电子元件区与所述至少一个透光区21的位置相对应，从而提高电子元件区的透光率，以便在电子元件区放置传感器元件，增加显示屏占比。
需要说明的是，透光区21可以为填充有透明材料的通孔，透明材料可以为硅氧烷（siloxane）或透明聚酰亚胺(Colorless Polyimide，CPI)等。
进一步地，显示区10内排列有多个子像素11，像素区20内排列有多个子像素22，子像素11和子像素22均包括蓝色子像素B、红色子像素R或绿色子像素G等。在像素区20中，在朝向所述像素区20的中心方向上，所述子像素22的像素密度逐渐减小。需要说明的是，像素区20的像素密度虽然改变，但像素区20的总体发光效果保持不变，可通过增加子像素22的发光强度来实现像素区20总体发光效果不变的目的。
如图2所示，将位置O作为像素区20的中心位置，分界线C朝向位置O的方向即为朝向像素区20的中心方向A。在方向A上，子像素22呈渐变的方式排列，即越靠近位置O，子像素22的像素密度越小，越靠近分界线C，子像素22的像素密度越大。另外，显示区10的子像素11的像素密度大于像素区20的子像素22的像素密度。本实施例中像素区的子像素的像素密度呈渐变的方式变化，能够避免由于像素区的像素密度突变而引起像素区与显示区的发光效率差异过大问题，从而减小像素区与显示区之间的视觉差异。
在一个具体的实施方式中，如图2所示，在朝向像素区20的中心方向A上，子像素22的个数保持不变，但子像素22的面积逐渐减小，使得所述子像素22的像素密度逐渐减小。具体的，在方向A上，颜色相同的子像素的面积逐渐减小，例如，靠近位置O的蓝色子像素B的面积小于靠近分界线C的蓝色子像素B的面积，靠近位置O的红色色子像素R的面积小于靠近分界线C的红色子像素R的面积，靠近位置O的绿色子像素G的面积小于靠近分界线C的绿色子像素G的面积。
进一步地，如图2所示，相邻子像素22之间具有像素间隙，所述透光区21设于所述像素间隙中。在朝向所述像素区的中心方向A上，所述像素间隙逐渐增大，所述透光区21的个数和面积逐渐增大。具体的，在方向A上，子像素22的个数保持不变，而子像素22的面积逐渐减小，从而导致子像素22之间的像素间隙逐渐增大，在像素间隙合适的地方开设透光区21，使得透光区21的数量和大小也呈渐变的方式变化，即越靠近位置O，像素间隙以及透光区21的个数和面积越大，越靠近分界线C，像素间隙以及透光区21的个数和面积越小。
在另一个具体的实施方式中，如图3所示，在朝向像素区20的中心方向A上，子像素22的面积保持不变，但子像素22的个数逐渐减小，使得所述子像素22的像素密度逐渐减小。具体的，在方向A上，靠近位置O的子像素22的个数少于靠近分界线C的子像素22的个数。
进一步地，如图3所示，像素区20中还设有至少一个子像素区23，子像素区23的个数与透光区21的个数相同，使得透光区21能够对应设于子像素区23内。需要说明的是，子像素区23中原始设有子像素22，通过在子像素区23中设置透光区21，以去除子像素区23中的子像素22。例如，图3中的9个子像素区23中原始填充有3个绿色子像素G、3个蓝色子像素B和2个红色子像素R，通过在这9个子像素区中设置透光区21，以去除这9个子像素。像素区20中的子像素22的个数减少，进而使得像素区20的子像素22的像素密度小于显示区10的子像素11的像素密度。
在朝向所述像素区的中心方向A上，所述子像素区23的个数逐渐增大，所述透光区21的个数逐渐增大。具体的，在方向A上，子像素22的面积保持不变，而设置透光区的子像素区23逐渐增多，使得透光区21的数量也呈渐变的方式变化，即越靠近位置O，设置透光区的子像素区23的个数以及透光区21的个数越大，越靠近分界线C，设置透光区的子像素区23的个数以及透光区21的个数越小。
在又一个具体的实施方式中，如图4所示，在朝向所述像素区20的中心方向A上，所述子像素22的面积和个数交替减小，使得所述子像素22的像素密度逐渐减小。具体的，像素区20被划分为至少一个第一区和至少一个第二区，且在朝向所述像素区20的中心方向A上，所述第一区和所述第二区交替设置。如图4所示，像素区20被划分为2个第一区和2个第二区，分界线C与虚拟线C1之间的区域为第一区，虚拟线C1与虚拟线C2之间的区域为第二区，虚拟线C2与虚拟线C3之间的区域为第一区，虚拟线C3与位置O之间的区域为第二区。
进一步地，在朝向所述像素区20的中心方向A上，所述第一区中的子像素的面积逐渐减小，所述第二区中的子像素的个数逐渐减小。
具体的，在方向A上，第一区中的子像素22的个数保持不变，但子像素22的面积逐渐减小。例如，虚拟线C2与虚拟线C3之间的第一区中的子像素22的面积小于分界线C与虚拟线C1之间的第一区中的子像素的面积。进一步地，第一区中的相邻子像素22之间具有像素间隙，所述透光区21设于所述像素间隙中。在朝向所述像素区的中心方向A上，所述像素间隙逐渐增大，所述透光区21的个数和面积逐渐增大。例如，虚拟线C2与虚拟线C3之间的第一区中的像素间隙以及透光区21的个数和面积分别小于分界线C与虚拟线C1之间的第一区中的像素间隙以及透光区21的个数和面积。
具体的，在方向A上，第二区中的子像素22的面积保持不变，但子像素22的个数逐渐减小。例如，虚拟线C3与位置O之间的第二区中的子像素的个数小于虚拟线C1与虚拟线C2之间的第二区中的子像素的个数。进一步地，第二区中还设有至少一个子像素区，子像素区的个数与透光区21的个数相同，使得透光区21能够对应设于子像素区内。在方向A上，子像素区的个数逐渐增大，透光区21的个数逐渐增大。例如，虚拟线C3与位置O之间的第二区中的子像素区和透光区21的个数分别小于虚拟线C1与虚拟线C2之间的第二区中的子像素区和透光区21的个数。
本实施例中的OLED显示面板，能够在像素区设置透光区后，在朝向所述像素区的中心方向上，使像素区中排列的子像素的像素密度逐渐减小，避免像素区的像素密度突变，进而避免像素区与显示区的发光效率差异过大，从而减小像素区与显示区之间的视觉差异。
参见图5，是本发明实施例提供的智能终端的结构示意图。所述智能终端包括传感器元件51以及OLED显示面板52。其中，OLED显示面板52为上述实施例中的OLED面板，在此不再详细赘述。
所述传感器元件51设于所述OLED显示面板52背面的电子元件区53，该电子元件区53可以是OLED显示面板52背面的凹槽，即传感器元件51可以设在OLED显示面板52背面的凹槽中。电子元件区53与像素区中的透光区21对应设置，从而使得传感器元件51与透光区21对应设置。其中，传感器元件51可以是摄像头的传感器单元。
本实施例中的智能终端，能够在像素区设置透光区后，在朝向所述像素区的中心方向上，使像素区中排列的子像素的像素密度逐渐减小，避免像素区的像素密度突变，进而避免像素区与显示区的发光效率差异过大，从而减小像素区与显示区之间的视觉差异。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种OLED显示面板，其中，包括用于放置传感器元件的电子元件区以及像素区；所述像素区中设有至少一个透光区，所述电子元件区与所述至少一个透光区的位置相对应；
    所述像素区中还排列有多个子像素，且在朝向所述像素区的中心方向上，所述子像素的像素密度逐渐减小。
  2. 根据权利要求1所述的OLED显示面板，其中，在朝向所述像素区的中心方向上，所述子像素的面积逐渐减小，使得所述子像素的像素密度逐渐减小。
  3. 根据权利要求2所述的OLED显示面板，其中，相邻子像素之间具有像素间隙，所述透光区设于所述像素间隙中；
    在朝向所述像素区的中心方向上，所述像素间隙逐渐增大，所述透光区的个数和面积逐渐增大。
  4. 根据权利要求1所述的OLED显示面板，其中，在朝向所述像素区的中心方向上，所述子像素的个数逐渐减小，使得所述子像素的像素密度逐渐减小。
  5. 根据权利要求4所述的OLED显示面板，其中，所述像素区中还设有至少一个子像素区，所述透光区对应设于所述子像素区内；
    在朝向所述像素区的中心方向上，所述子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
  6. 根据权利要求1所述的OLED显示面板，其中，在朝向所述像素区的中心方向上，所述子像素的面积和个数交替减小，使得所述子像素的像素密度逐渐减小。
  7. 根据权利要求6所述的OLED显示面板，其中，所述像素区被划分为至少一个第一区和至少一个第二区；
    在朝向所述像素区的中心方向上，所述第一区和所述第二区交替设置，且所述第一区中的子像素的面积逐渐减小，所述第二区中的子像素的个数逐渐减小。
  8. 根据权利要求7所述的OLED显示面板，其中，所述第一区中的相邻子像素之间具有像素间隙，所述第一区中的透光区设于所述像素间隙中；
    在朝向所述像素区的中心方向上，所述第一区中的像素间隙逐渐增大，所述第一区中的透光区的个数和面积逐渐增大。
  9. 根据权利要求7所述的OLED显示面板，其中，所述第二区中设有至少一个子像素区，所述第二区中的透光区对应设于所述子像素区内；
    在朝向所述像素区的中心方向上，所述第二区中的子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
  10. 根据权利要求1所述的OLED显示面板，其中，所述OLED显示面板还包括设置在所述像素区外的显示区，所述显示区中排列有多个子像素；
    所述显示区的子像素的像素密度大于所述像素区的子像素的像素密度。
  11. 一种智能终端，其中，包括传感器元件以及OLED显示面板；
    所述OLED显示面板包括电子元件区以及像素区；所述像素区中设有至少一个透光区，所述电子元件区与所述至少一个透光区的位置相对应；所述传感器元件设于所述电子元件区中；
    所述像素区中还排列有多个子像素，且在朝向所述像素区的中心方向上，所述子像素的像素密度逐渐减小。
  12. 根据权利要求11所述的智能终端，其中，在朝向所述像素区的中心方向上，所述子像素的面积逐渐减小，使得所述子像素的像素密度逐渐减小。
  13. 根据权利要求12所述的智能终端，其中，相邻子像素之间具有像素间隙，所述透光区设于所述像素间隙中；
    在朝向所述像素区的中心方向上，所述像素间隙逐渐增大，所述透光区的个数和面积逐渐增大。
  14. 根据权利要求11所述的智能终端，其中，在朝向所述像素区的中心方向上，所述子像素的个数逐渐减小，使得所述子像素的像素密度逐渐减小。
  15. 根据权利要求14所述的智能终端，其中，所述像素区中还设有至少一个子像素区，所述透光区对应设于所述子像素区内；
    在朝向所述像素区的中心方向上，所述子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
  16. 根据权利要求11所述的智能终端，其中，在朝向所述像素区的中心方向上，所述子像素的面积和个数交替减小，使得所述子像素的像素密度逐渐减小。
  17. 根据权利要求16所述的智能终端，其中，所述像素区被划分为至少一个第一区和至少一个第二区；
    在朝向所述像素区的中心方向上，所述第一区和所述第二区交替设置，且所述第一区中的子像素的面积逐渐减小，所述第二区中的子像素的个数逐渐减小。
  18. 根据权利要求17所述的智能终端，其中，所述第一区中的相邻子像素之间具有像素间隙，所述第一区中的透光区设于所述像素间隙中；
    在朝向所述像素区的中心方向上，所述第一区中的像素间隙逐渐增大，所述第一区中的透光区的个数和面积逐渐增大。
  19. 根据权利要求17所述的智能终端，其中，所述第二区中设有至少一个子像素区，所述第二区中的透光区对应设于所述子像素区内；
    在朝向所述像素区的中心方向上，所述第二区中的子像素区的个数逐渐增大，所述透光区的个数逐渐增大。
  20. 根据权利要求11所述的智能终端，其中，所述OLED显示面板还包括设置在所述像素区外的显示区，所述显示区中排列有多个子像素；
    所述显示区的子像素的像素密度大于所述像素区的子像素的像素密度。
PCT/CN2019/083146 2018-12-29 2019-04-18 一种oled显示面板及智能终端 WO2020133821A1 (zh)

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