CN115734680A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN115734680A
CN115734680A CN202110990720.7A CN202110990720A CN115734680A CN 115734680 A CN115734680 A CN 115734680A CN 202110990720 A CN202110990720 A CN 202110990720A CN 115734680 A CN115734680 A CN 115734680A
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China
Prior art keywords
sub
display
area
transition
region
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Pending
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CN202110990720.7A
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Chinese (zh)
Inventor
张晓亮
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ZTE Corp
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ZTE Corp
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Priority to CN202110990720.7A priority Critical patent/CN115734680A/en
Priority to PCT/CN2022/107151 priority patent/WO2023024778A1/en
Publication of CN115734680A publication Critical patent/CN115734680A/en
Pending legal-status Critical Current

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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
    • G02F1/1343—Electrodes
    • 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
    • H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
    • 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

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Sustainable Development (AREA)
  • Mathematical Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The application discloses a display panel and a display device. The display panel comprises a main display area, an auxiliary display area and a transition area, wherein the transition area is positioned between the main display area and the auxiliary display area; the transition area comprises a first sub-transition area and a second sub-transition area, the attribute of the light-emitting unit of the first sub-transition area is the same as that of the main display area, and the attribute of the light-emitting unit of the second sub-transition area is the same as that of the sub-display area; the main display area, the auxiliary display area and the transition area display pictures together. The technical scheme of this application can realize the smooth transition in the vision between main display area and the vice display area, promotes display panel's display effect.

Description

Display panel and display device
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
With the development of display technologies, users have higher and higher requirements on screen occupation ratios of display screens of electronic devices, so that comprehensive screen display of electronic devices is receiving more and more attention in the industry. The appearance of the under-screen camera technology enables a real comprehensive screen to be realized, and how to improve the display effect of the under-screen camera is the most key factor for the under-screen camera technology to be really popular.
Disclosure of Invention
The main objective of the embodiments of the present application is to provide a display panel and a display device, which can achieve smooth visual transition between a main display area and an auxiliary display area, and improve the display effect of the display panel.
The embodiment of the application provides a display panel, which comprises a main display area, an auxiliary display area and a transition area, wherein the transition area is positioned between the main display area and the auxiliary display area; wherein the content of the first and second substances,
the transition area comprises a first sub-transition area and a second sub-transition area, the attribute of the light-emitting unit of the first sub-transition area is the same as that of the main display area, and the attribute of the light-emitting unit of the second sub-transition area is the same as that of the sub-display area; the main display area, the auxiliary display area and the transition area display pictures together.
Embodiments of the present application further provide a display device including a display panel having any of the above features.
The application provides a display panel and display device, it is through setting up the transition region between main display area and vice display area, and the transition region includes first sub-transition region and the sub-transition region of second, and the luminescence unit attribute of first sub-transition region is the same with the luminescence unit attribute of main display area, and the luminescence unit attribute of the sub-transition region of second is the same with the luminescence unit attribute of vice display area. The integration of the display effects of the main display area and the auxiliary display area is formed, the smooth transition of the main display area and the auxiliary display area in vision is realized, the sharp feeling of a user on the different display areas is reduced, and the display effect of the display panel is improved.
Drawings
Fig. 1 is a schematic top view of a display panel according to an embodiment;
fig. 2 is a schematic cross-sectional view illustrating a display panel according to an embodiment;
FIG. 3 is a schematic diagram illustrating a top view of an array distribution of transition groups of a transition region according to an embodiment;
FIG. 4 is a schematic diagram illustrating a top view of another display panel according to an embodiment;
FIG. 5 is a schematic diagram illustrating a top view structure of another display panel according to an embodiment;
FIG. 6 is a schematic diagram illustrating a top view structure of another display panel according to an embodiment;
fig. 7 is a schematic structural diagram of a display device according to an embodiment.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
Also, the drawings and description of the embodiments are to be regarded as illustrative in nature, and not as restrictive. Like reference numerals refer to like elements throughout the specification. In addition, the thickness or size of some layers, films, panels, regions, etc. may be exaggerated in the drawings for understanding and ease of description. It will also be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In addition, "on … …" means that an element is positioned on or under another element, but does not essentially mean that an element is positioned on the upper side of another element according to the direction of gravity. For ease of understanding, the figures in this application all depict an element on the top side of another element.
Additionally, unless explicitly described to the contrary, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of stated elements but not the exclusion of any other elements.
It should also be noted that, in the embodiments of the present application, the various components are described by "first", "second", and the like, but these components should not be limited by these terms. These terms are only used to distinguish one component from another. Also, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
While certain embodiments may be practiced differently, the specific process sequence may be performed differently than described. For example, two processes described consecutively may be performed at substantially the same time or in an order reverse to that described.
With the development of display technology, the requirements of users on the screen occupation ratio of the display screen of the electronic equipment are higher and higher. At present, the screen occupation ratio of the display screen is improved to a certain extent by the display screens such as Liu Haibing, a water drop screen and an excavating hole screen until the technology of a camera under the screen appears, so that the real comprehensive screen is realized. The under-screen camera technology refers to: divide into two regions with the display screen, be the region A that is used for normally showing the picture and the region B that is used for placing the camera under the screen respectively, also be provided with luminescence unit (pixel) in the region B, only luminescence unit's in the region B arrange different with the luminescence unit's in the region A of arranging, the luminousness is also higher with the material that luminescence unit in the region A used to its material that uses, thereby make region B can have higher luminousness, make the camera have better formation of image effect under the screen. However, due to the different arrangement of the light emitting materials and the light emitting units used in the areas a and B, there are significant display differences at the boundaries of the areas a and B, and these display differences enable the user to clearly perceive the difference between the two areas, which affects the user experience.
The existing scheme mainly adopts two methods to improve the difference of the display effects of the area A and the area B:
one method is to display black contents in both the area a and the area B through an interface (UI) image, so as to make the both visually as uniform as possible. But this is a negative solution, leaving neither area to light up the display.
Another method is to simultaneously light a plurality of light emitting cells using the same circuit, which can improve the light transmittance of the region B. However, the method still has the problem that the pixel graininess is obvious when the area B displays, and the display effect of the area A and the area B still has difference.
The application embodiment provides a display panel and a display device, which can realize smooth transition in vision between a main display area and an auxiliary display area and improve the display effect of the display panel.
The following describes a display panel, a display device and technical effects thereof.
Fig. 1 is a schematic top view illustrating a display panel according to an embodiment, and fig. 2 is a schematic cross-sectional view illustrating a display panel according to an embodiment. As shown in fig. 1 and 2, the display panel is used to implement a display function, and in the embodiment provided in the present application, the display panel includes a main display area 10, a sub display area 20, and a transition area 30, and the transition area 30 is located between the main display area 10 and the sub display area 20. The main display area 10, the sub display area 20 and the transition area 30 all have a display function. The number of the sub display regions 20 may be one or more (fig. 1 shows the number of the sub display regions 20 as one example). The number of transition areas 30 is equal to the number of sub display areas 20. Alternatively, the main display area 10 may be a relatively large area in the display panel, and the sub-display area 20 may be a relatively small area in the display panel, that is, the area ratio of the main display area 10 in the display panel is greater than the area ratio of the sub-display area 20 in the display panel. The main display area 10, the sub display area 20, and the transition area 30 collectively display a screen.
Referring to fig. 2, although the display panel is divided into the main display area 10, the sub display area 20 and the transition area 30, the main display area 10, the sub display area 20 and the transition area 30 are physically integrated, i.e. the display panel is an integrated structure and is not divided into a plurality of independent components. For example, the main display area 10, the sub display area 20, and the transition area 30 are formed on one substrate. The substrate may be made of a glass material, or may be made of a flexible material such as Polyimide (PI), which is not limited in this application. The shading bubble cotton 40 is pasted to the one side that main display area 10 kept away from the light-emitting side, the shading bubble cotton 40 is not pasted to the one side that the light-emitting side was kept away from to vice display area 20, it digs the hole to be about to shading bubble cotton 40 corresponds the position of vice display area 20, it can set up photosensitive element 60 to dig the region, the shading bubble cotton 40 is pasted to the one side part that the light-emitting side was kept away from to transition zone 30, display panel's light-emitting side is pasted polarizer 50, light can pass through entering photosensitive element 60 behind polarizer 50 and the vice display area 20.
The main display region 10 may include a plurality of light emitting units, and the sub display region 20 may also include a plurality of light emitting units. A light emitting unit (also referred to as a pixel) may include a plurality of sub-pixels each for emitting one color light, and the plurality of sub-pixels mix more colors by emitting different color light. In general, one light emitting unit includes three different color sub-pixels of R (red), G (green), and B (blue), that is, one light emitting unit includes at least one red sub-pixel, at least one green sub-pixel, and at least one blue sub-pixel. The red sub-pixel may emit red monochromatic light, the green sub-pixel may emit green monochromatic light, and the blue sub-pixel may emit blue monochromatic light. In some alternative embodiments, a light emitting unit may also include sub-pixels of other colors, such as a white sub-pixel, which is not specifically limited by the embodiments of the present application.
With continued reference to fig. 1, a transition region 30 is disposed between the primary display region 10 and the secondary display region 20. The transition region 30 includes a first sub-transition region 31 and a second sub-transition region 32, the light emitting unit property of the first sub-transition region 31 is the same as that of the main display region 10, and the light emitting unit property of the second sub-transition region 32 is the same as that of the sub-display region 20.
In the embodiment of the present application, the light emitting unit property refers to a property related to the light emitting unit (i.e., a property determined by the design of the light emitting unit). In one embodiment, the light emitting unit attribute includes at least one of a pixel size, a resolution, a center-to-center distance between adjacent pixels, a pixel arrangement manner, a pixel structure, a pixel connection manner, and a pixel shape.
A first sub-transition region 31 and a second sub-transition region 32 are designed in the transition region 30, the light emitting unit property of the first sub-transition region 31 is the same as that of the main display region 10, and the light emitting unit property of the second sub-transition region 32 is the same as that of the sub-display region 20. In this way, the merging of the light emitting units of the main display area 10 and the light emitting units of the sub display area 20 can be achieved in the transition area 30, that is, equivalently, the light emitting units of the main display area 10 are extended into the sub display area 20, and the light emitting units of the sub display area 20 are also extended into the main display area 10. Because human eyes have good receptivity to the color with smooth transition, for example, the color in a picture is very gently transited from dark to light, and the human eyes do not catch the sudden change, which is still considered as a whole, the fusion of the display effects of the main display area 10 and the auxiliary display area 20 can be formed, thereby realizing the smooth transition of the vision between the main display area 10 and the auxiliary display area 20, reducing the sharp feeling of the user to the different display areas, and improving the display effect of the display panel.
In an embodiment, the area of the first sub-transition 31 is equal to the area of the second sub-transition 32. That is, in the transition region 30, the ratio of the area of the first sub-transition region 31 to the area of the second sub-transition region 32 is 1:1. In this way, the fusion effect of the main display area 10 and the sub display area 20 can be ensured.
In a possible implementation manner, assuming that the shape of the secondary display area 20 is a rectangle, fig. 3 illustrates a schematic top view structure diagram of a transition group array distribution of a transition area according to an embodiment. The transition region 30 includes a plurality of transition groups 300 arranged in an array or in sequence, and each transition group 300 includes a first sub-transition region 31 and a second sub-transition region 32.
When the first sub-transition area 31 and the second sub-transition area 32 are designed, the orthographic projection of the first sub-transition area 31 and/or the second sub-transition area 32 on the display panel may be at least one of a triangle, a quadrangle, a polygon, a circle, and an ellipse. For example, fig. 4 is a schematic top view structure diagram of another display panel provided in an embodiment, where fig. 4 is drawn by taking an example that an orthographic projection of the second sub-transition area 32 on the display panel is triangular.
Fig. 5 is a schematic top view illustrating a display panel according to an embodiment. It can be understood that the greater the number of the first sub-transition areas 31 and the second sub-transition areas 32 in the transition area 30, the better the merging effect of the main display area 10 and the sub-display area 20.
In another possible implementation manner, fig. 6 illustrates a schematic top view structure of another display panel provided in an embodiment. The orthographic projection of the auxiliary display area 20 on the display panel is circular, and the orthographic projection of the transition area 30 on the display panel is annular; the orthographic projections of the first sub-transition area 31 and the second sub-transition area 32 on the display panel are in a ring shape arranged at intervals in sequence.
In one embodiment, the effective width of the transition region 30 is less than or equal to the maximum width of the secondary display region 20, and the effective length of the transition region 30 is less than or equal to the maximum length of the secondary display region 20. Thereby reducing the process complexity while ensuring the blending effect of the main display area 10 and the sub display area 20.
In one embodiment, the pixel density unit (PPI) of the main display area 10 is greater than or equal to the PPI of the sub-display area 20. Thus, the ratio of the area of the light-transmitting region to the entire region can be increased, and the light transmittance of the region can be increased. As the PPI of the main display region 10 is closer to the PPI of the sub-display region 20, the difference in image quality between the main display region 10 and the sub-display region 20 when displaying a picture is smaller; when the difference between the PPI of the main display region 10 and the PPI of the sub display region 20 is larger, the difference in image quality between the main display region 10 and the sub display region 20 when displaying a picture is larger.
In the present application, the positional relationship between the sub display area 20 and the main display area 10 is not limited. The sub display area 20 is located at a gap portion formed at the edge of the main display area 10; and/or, the sub display area 20 is located at a gap portion formed at the middle of the main display area 10.
Specifically, the positional relationship between the sub display area 20 and the main display area 10 includes, but is not limited to, any one of the following: the auxiliary display area 20 is located at a gap formed at the top edge of the main display area 10; the auxiliary display area 20 is located at a gap formed at the left edge of the main display area 10; the auxiliary display area 20 is located at a gap formed at the right edge of the main display area 10; the auxiliary display area 20 is located at a gap formed at the bottom edge of the main display area 10; the sub display area 20 is located at a gap portion formed at the center of the main display area 10, and the like.
In the design manner provided by the present application, the material of the light emitting unit of the sub-display area 20 is a transparent material, and the transparent material refers to a material having a light transmittance higher than a predetermined index (e.g., a transmittance higher than a predetermined index). Since the sub-display area 20 is made of a transparent material, the sub-display area 20 has a good light transmission performance, so that a photosensitive element (such as a camera and a sensor) can be disposed below the sub-display area 20.
It should be added that the present application provides a solution that does not limit the shape of the sub-display area 20, and may be a regular shape such as a rectangle, a rounded rectangle, a circle, or an irregular shape such as a drop shape, an arc shape, or the like. Accordingly, the shape of the transition area 30 is not limited in the solution provided by the present application, and the shape of the transition area 30 can be designed according to actual requirements (the shape of the secondary display area 20).
The embodiment of the application provides a display panel, which comprises a main display area, an auxiliary display area and a transition area, wherein the transition area is positioned between the main display area and the auxiliary display area; the transition region comprises a first sub-transition region and a second sub-transition region, the attribute of the light-emitting unit of the first sub-transition region is the same as that of the main display region, and the attribute of the light-emitting unit of the second sub-transition region is the same as that of the sub-display region. The transition region is arranged between the main display region and the auxiliary display region and comprises a first sub-transition region and a second sub-transition region, the attribute of the light-emitting unit of the first sub-transition region is the same as that of the main display region, and the attribute of the light-emitting unit of the second sub-transition region is the same as that of the auxiliary display region. The integration of the display effects of the main display area and the auxiliary display area is formed, the smooth transition of the main display area and the auxiliary display area in vision is realized, the sharp feeling of a user on the different display areas is reduced, and the display effect of the display panel is improved.
An embodiment of the present application further provides a display device, and fig. 7 shows a schematic structural diagram of the display device provided in the embodiment. As shown in fig. 7, the display device 70 includes a display panel 71 provided in any of the embodiments of the present application.
The display device 70 may also include light sensing elements (such as a camera and sensor). The front camera and the sensor are correspondingly disposed below the sub-display area of the display panel 71. Optionally, besides the front camera and the sensor, other devices, such as a gyroscope or an earphone, may be disposed below the secondary display area.
The display panel 71 may be any one of display panels such as an Organic Light-Emitting Diode (OLED) display panel, an In-Plane Switching (IPS) display panel, a Twisted Nematic (TN) display panel, a Vertical Alignment (VA) display panel, electronic paper, a Quantum Dot Light Emitting (QLED) display panel, or a micro LED (micro Light Emitting Diode, μ LED) display panel, which is not particularly limited In the present application. The light emission pattern of the display panel 71 may be top emission, bottom emission, or double-sided emission.
The display device 70 provided by the embodiment of the application can be applied to intelligent wearable equipment (such as an intelligent bracelet and an intelligent watch), and can also be applied to equipment such as a smart phone, a tablet computer and a display.
The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not intended to limit the scope of the claims of the application accordingly. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present application are intended to be within the scope of the claims of the present application.

Claims (10)

1. A display panel comprising a main display area, a sub display area and a transition area, the transition area being located between the main display area and the sub display area; wherein the content of the first and second substances,
the transition region comprises a first sub-transition region and a second sub-transition region, the attribute of the light-emitting unit of the first sub-transition region is the same as that of the main display region, and the attribute of the light-emitting unit of the second sub-transition region is the same as that of the sub-display region; and the main display area, the auxiliary display area and the transition area jointly display a picture.
2. The display panel according to claim 1, wherein the light emitting unit property includes at least one of a pixel size, a resolution, a center-to-center distance between adjacent pixels, a pixel arrangement, a pixel structure, a pixel connection, and a pixel shape.
3. The display panel according to claim 1, wherein the area of the first sub-transition region is equal to the area of the second sub-transition region.
4. The display panel according to any one of claims 1 to 3, wherein the transition region comprises a plurality of transition groups arranged in an array or in sequence, each transition group comprising one of the first sub-transition regions and one of the second sub-transition regions;
the orthographic projection of the first sub-transition area and/or the second sub-transition area on the display panel is at least one of a triangle, a quadrangle, a polygon, a circle and an ellipse.
5. The display panel according to any one of claims 1 to 3, wherein an orthographic projection of the sub-display region on the display panel is circular, and an orthographic projection of the transition region on the display panel is annular;
orthographic projections of the first sub-transition area and the second sub-transition area on the display panel are in annular shapes which are sequentially arranged at intervals.
6. A display panel as claimed in any one of the claims 1-3 characterized in that the effective width of the transition area is smaller than or equal to the maximum width of the sub-display area and the effective length of the transition area is smaller than or equal to the maximum length of the sub-display area.
7. The display panel of any of claims 1-3, wherein the PPI of the main display region is greater than or equal to the PPI of the sub-display region.
8. The display panel according to any one of claims 1 to 3, wherein the sub display region is located at a notch portion formed at an edge of the main display region; and/or the auxiliary display area is positioned at a gap part formed in the middle of the main display area.
9. A display device characterized by comprising the display panel according to any one of claims 1 to 8.
10. The display device according to claim 9, further comprising: and the photosensitive element is positioned below the secondary display area of the display panel.
CN202110990720.7A 2021-08-26 2021-08-26 Display panel and display device Pending CN115734680A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110990720.7A CN115734680A (en) 2021-08-26 2021-08-26 Display panel and display device
PCT/CN2022/107151 WO2023024778A1 (en) 2021-08-26 2022-07-21 Display panel and display device

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Application Number Priority Date Filing Date Title
CN202110990720.7A CN115734680A (en) 2021-08-26 2021-08-26 Display panel and display device

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Publication number Priority date Publication date Assignee Title
CN110767712B (en) * 2019-02-28 2021-01-26 云谷（固安）科技有限公司 OLED array substrate, display panel and display device
CN109962092B (en) * 2019-03-29 2021-09-24 上海天马微电子有限公司 Display panel and display device
CN110430300A (en) * 2019-09-16 2019-11-08 北京小米移动软件有限公司 Terminal screen and terminal
CN111028692A (en) * 2019-12-26 2020-04-17 武汉天马微电子有限公司 Display panel and display device
CN111402740B (en) * 2020-04-27 2022-07-15 京东方科技集团股份有限公司 Display panel and electronic device
CN112908199A (en) * 2021-04-13 2021-06-04 昆山国显光电有限公司 Display panel and display device

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