CN111725427B - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN111725427B
CN111725427B CN202010530618.4A CN202010530618A CN111725427B CN 111725427 B CN111725427 B CN 111725427B CN 202010530618 A CN202010530618 A CN 202010530618A CN 111725427 B CN111725427 B CN 111725427B
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layer
insulating layer
gate
pixel
display
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CN111725427A (en
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曹祖强
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/86Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65OLEDs integrated with inorganic image sensors

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

Abstract

The embodiment of the application provides a display panel and display device, display panel is including showing drive assembly and light emitting pixel device, it has relative first face and the second face that sets up to show drive assembly, first face evenly is provided with the contact hole, it includes semiconductor layer to show drive assembly, semiconductor layer is located the second face, light emitting pixel device sets up first face, just light emitting pixel device pass through the contact hole with semiconductor layer connects, light emitting pixel device has the fretwork region, the fretwork region is used for placing the camera. The embodiment of the application can avoid the problem that the peripheral brightness of the camera is displayed unevenly.

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
In order to realize the narrow frame design of a small-size mobile phone and realize the larger screen occupation ratio of the mobile phone, a front-mounted camera is generally changed into a 'bang' or 'water drop' screen in the industry, or a 'hole digging' screen in the plane which is very popular in recent two years, and when the hole digging screen is manufactured by an OLED (organic light emitting diode), the problem that the peripheral brightness of the hole digging camera is displayed unevenly often occurs
Therefore, it is an urgent technical problem for those skilled in the art to provide a display panel capable of solving the uneven display of the brightness around the camera.
Disclosure of Invention
The embodiment of the application provides a display panel and a display device, which can solve the problem that the peripheral brightness of a camera is displayed unevenly.
The application provides a display panel, including:
the display driving assembly is provided with a first surface and a second surface which are oppositely arranged, contact holes are uniformly formed in the first surface, the display driving assembly comprises a semiconductor layer, and the semiconductor layer is located on the second surface;
the light-emitting pixel device is arranged on the first face and connected with the semiconductor layer through the contact hole, and the light-emitting pixel device is provided with a hollow area used for placing a camera.
In some embodiments, the display driving assembly further includes a first gate insulating layer, a second gate insulating layer, a first gate layer, a second gate layer, and an interlayer insulating layer, the first gate insulating layer is disposed on a side of the semiconductor layer close to the first surface, the first gate layer is disposed on a side of the first gate insulating layer away from the semiconductor layer, the second gate insulating layer is disposed on a side of the first gate layer away from the semiconductor layer and covers the first gate insulating layer, the second gate layer is disposed on a side of the second gate insulating layer away from the first gate layer, and the interlayer insulating layer is disposed on a side of the second gate layer away from the first gate insulating layer and covers the second gate insulating layer.
In some embodiments, the display device further comprises a compensation circuit electrically connected to the display driving component.
In some embodiments, the display panel includes a display region and a non-display region, the non-display region is located at a periphery of the display region, the semiconductor layer, the first gate insulating layer, the second gate insulating layer, the first gate layer, the second gate layer, and the interlayer insulating layer are disposed in the display region, and the compensation circuit is disposed in the non-display region.
In some embodiments, the thickness of the second gate insulating layer decreases from a side close to the compensation circuit to a side away from the compensation circuit.
In some embodiments, the light emitting pixel device includes a first pixel, a second pixel, and a third pixel alternately connected to the semiconductor layer through a contact hole.
In some embodiments, the first pixel is a red pixel, the second pixel is a green pixel, and the third pixel is a blue pixel.
In some embodiments, the semiconductor layer includes a channel layer and a conductor layer on both sides of the channel layer.
In some embodiments, the hollowed-out area is adapted to the shape of the camera.
The embodiment of the application further provides a display device, which comprises a display panel and a camera, wherein the display panel is provided with the above structure, and the camera is installed at a position corresponding to the hollow area.
The embodiment of the application provides a display panel and display device, display panel is including showing drive assembly and light emitting pixel device, it has relative first face and the second face that sets up to show drive assembly, first face evenly is provided with the contact hole, it includes semiconductor layer to show drive assembly, semiconductor layer is located the second face, light emitting pixel device sets up first face, just light emitting pixel device pass through the contact hole with semiconductor layer connects, light emitting pixel device has the fretwork region, the fretwork region is used for placing the camera. This application sets up the contact hole not connected with the light emitting pixel device in the fretwork region, guarantees that the display area that corresponds with the camera has the contact hole of same density with other display areas to guarantee for digging the peripheral light emitting pixel of hole camera, contact hole and normal display area are identical completely around it, avoid the device characteristic difference because of the contact hole arouses, thereby avoid the peripheral luminance of camera to show uneven problem.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application.
Fig. 2 is a sectional view in the direction a-a of fig. 1.
Fig. 3 is a schematic structural diagram of a display driving assembly according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application.
The embodiments of the present application provide a display panel and a display device, and the display panel is described in detail below.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a display panel structure according to an embodiment of the present disclosure. Fig. 2 is a sectional view in the direction a-a of fig. 1. The embodiment of the application provides a display panel 10, wherein the display panel 10 includes a display driving assembly 11 and a light-emitting pixel device 12, the display driving assembly 11 has a first surface 11a and a second surface 11b which are oppositely arranged, the first surface 11a is uniformly provided with a contact hole 117, the display driving assembly 11 includes a semiconductor layer 111, the semiconductor layer 111 is located on the second surface 11b, the light-emitting pixel device 12 is arranged on the first surface 11a, and the light-emitting pixel device 12 is connected with the semiconductor layer 111 through the contact hole 117, the light-emitting pixel device 12 has a hollow area 124, and the hollow area 124 is used for placing a camera 20.
It should be noted that the first surface 11a is an upper surface of the display driving assembly 11, and the second surface 11b is a lower surface of the display driving assembly 11, and of course, in some embodiments, the positions of the first surface 11a and the second surface 11b may be interchanged.
The display driving component 11 may be connected to the light emitting pixel device 12, and the display driving component 11 may drive the light emitting pixel device 12 to emit light. Specifically, the light-emitting pixel device 12 is connected through a source-drain electrode, and the source-drain electrode is connected to the semiconductor layer 111 through the contact hole 117.
The contact holes 117 of the display driving component 11 are uniformly arranged, that is, the density of the contact holes 117 is the same. In the prior art, because the contact hole 117 is removed in the area corresponding to the camera 20, the density of the contact hole 117 around the camera 20 in the display panel 10 is different, and the density of the contact hole 117 is different, which results in that the brightness around the camera 20 is lower, and in the present application, the contact hole 117 is uniformly arranged in the whole display panel 10, which avoids the problem that the brightness around the camera 20 is lower.
The hollow area 124 is formed by taking out a part of the light emitting pixel device 12, and the hollow area 124 may be in a shape of a circle, a rectangle, a polygon, or the like.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a display driving assembly according to an embodiment of the present disclosure. The display driving assembly 11 further includes a first gate insulating layer 112, a second gate insulating layer 113, a first gate layer 114, a second gate layer 115, and an interlayer insulating layer 116, wherein the first gate insulating layer 112 is disposed on a side of the semiconductor layer 111 close to the first surface 11a, the first gate layer 114 is disposed on a side of the first gate insulating layer 112 away from the semiconductor layer 111, the second gate insulating layer 113 is disposed on a side of the first gate layer 114 away from the semiconductor layer 111 and covers the first gate insulating layer 112, the second gate layer 115 is disposed on a side of the second gate insulating layer 113 away from the first gate insulating layer 114, the interlayer insulating layer 116 is disposed on a side of the second gate layer 115 away from the first gate insulating layer 112 and covers the second gate insulating layer 113, the first gate insulating layer 112, the second gate insulating layer 113, The second gate insulating layer 113, the first gate layer 114, the second gate layer 115, and the interlayer insulating layer 116 have openings to form the contact hole 117.
The display panel 10 further includes a compensation circuit 13, and the compensation circuit 13 is electrically connected to the display driving component 11.
It should be noted that the compensation circuit 13 may further perform voltage compensation on the light-emitting pixels with insufficient brightness in the light-emitting pixel device 12, so that the light-emitting brightness of each light-emitting pixel in the light-emitting pixel device 12 is more uniform.
The display panel 10 includes a display region 10a and a non-display region 10b, the non-display region 10b is located at a periphery of the display region 10a, the semiconductor layer 111, the first gate insulating layer 112, the second gate insulating layer 113, the first gate layer 114, the second gate layer 115, and the interlayer insulating layer 116 are disposed in the display region, and the compensation circuit 13 is disposed in the non-display region 10 b.
Note that the compensation circuit 13 is provided in the non-display region 10b, which makes the display panel 10 thinner.
Wherein, the thickness of the second gate insulating layer 113 decreases from the side close to the compensation circuit 13 to the direction far away from the compensation circuit 13.
It should be noted that, the voltage gradually decreases from the side close to the compensation circuit 13 to the side away from the compensation circuit 13, and therefore the input current also gradually decreases, in the present invention, the two gate electrode layers and the gate insulating layer therebetween form a storage capacitor together, when the thickness of the gate insulating layer gradually decreases from the side close to the compensation circuit to the side away from the compensation circuit 13, the capacitance value of the storage capacitor gradually increases from the side close to the compensation circuit to the side away from the compensation circuit, and the phenomenon of uneven light emitting brightness of the display panel 10 is further improved by means of current compensation.
The light emitting pixel device 12 includes a first pixel 121, a second pixel 122, and a third pixel 123, and the first pixel 121, the second pixel 122, and the third pixel 123 are alternately connected to the semiconductor layer 111 through a contact hole 117. Specifically, the first pixel 121 is a red pixel, the second pixel 122 is a green pixel, and the third pixel 123 is a blue pixel.
The semiconductor layer 111 includes a channel layer 111a and a conductor layer 111b, and the conductor layer 111b is located on both sides of the channel layer 111 a.
Wherein the hollow area 124 is adapted to the shape of the camera 20.
It should be noted that, the shape of the camera 20 is adapted to the shape of the hollow area 124, so that the camera 20 can be ensured to be matched with the hollow area 124, and the camera 20 is convenient to mount.
The display panel 10 that this application embodiment provided includes display drive assembly 11 and light emitting pixel device 12, display drive assembly 11 has relative first face 11a and the second face 11b that sets up, first face 11a evenly is provided with contact hole 117, display drive assembly 11 includes semiconductor layer 111, semiconductor layer 111 is located second face 11b, light emitting pixel device 12 sets up first face 11a, just light emitting pixel device 12 pass through contact hole 117 with semiconductor layer 111 is connected, light emitting pixel device 12 has the fretwork region, the fretwork region is used for placing camera 20. This application sets up the contact hole 117 that is not connected with emitting pixel device 12 in the fretwork region, guarantees that the display area that corresponds with camera 20 has the contact hole 117 of the same density with other display areas to guarantee for digging the peripheral emitting pixel of hole camera 20, contact hole 117 is identical with normal display area completely around it, avoids the device characteristic difference because of contact hole 117 arouses, thereby avoids the peripheral luminance of camera 20 to show uneven problem.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present disclosure. The display device 100 includes a display panel 10 and a camera 20, where the display panel 10 is the display panel 10, and the camera 20 is installed at a position corresponding to the hollow area. Since the display panel 10 in the embodiment of the present application is the display panel 10 in the embodiment described above, and the display panel 10 has been described in detail in the embodiment described above, too much description is not repeated for the display panel 10 in the embodiment of the present application. The display device 100 of the embodiment of the application is provided with the contact hole 117 which is not connected with the light-emitting pixel device 12 in the hollow area, so that the display area corresponding to the camera 20 and other display areas have the same density of the contact hole 117, and therefore, the contact hole 117 around the hole-digging camera 20 is completely consistent with a normal display area relative to the light-emitting pixels around the hole-digging camera 20, the characteristic difference of the device caused by the contact hole 117 is avoided, and the problem of uneven brightness display around the camera 20 is avoided.
The display panel and the display device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the above embodiments is only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A display panel, comprising:
the display driving assembly is provided with a first surface and a second surface which are oppositely arranged, contact holes are uniformly formed in the first surface, the display driving assembly comprises a semiconductor layer, and the semiconductor layer is located on the second surface;
the light-emitting pixel device is arranged on the first face and connected with the semiconductor layer through the contact hole, and the light-emitting pixel device is provided with a hollow area used for placing a camera.
2. The display panel of claim 1, wherein the display driving assembly further comprises a first gate insulating layer, a second gate insulating layer, a first gate layer, a second gate layer, and an interlayer insulating layer, wherein the first gate insulating layer is disposed on a side of the semiconductor layer close to the first surface, the first gate layer is disposed on a side of the first gate insulating layer away from the semiconductor layer, the second gate insulating layer is disposed on a side of the first gate layer away from the semiconductor layer and covers the first gate insulating layer, the second gate layer is disposed on a side of the second gate insulating layer away from the first gate layer, the interlayer insulating layer is disposed on a side of the second gate layer away from the first gate insulating layer and covers the second gate insulating layer, the first gate insulating layer, the second gate insulating layer, and an interlayer insulating layer, The second gate insulating layer, the first gate layer, the second gate layer, and the interlayer insulating layer have openings to form the contact holes.
3. The display panel of claim 2, further comprising a compensation circuit for voltage compensation of the pixels with insufficient brightness, wherein the compensation circuit is electrically connected to the display driving component, and the display driving component is connected to the pixels with insufficient brightness.
4. The display panel according to claim 3, wherein the display panel comprises a display region and a non-display region, the non-display region is located at a periphery of the display region, the semiconductor layer, the first gate insulating layer, the second gate insulating layer, the first gate layer, the second gate layer, and the interlayer insulating layer are provided in the display region, and the compensation circuit is provided in the non-display region.
5. The display panel according to claim 4, wherein the thickness of the second gate insulating layer decreases in a direction from a side close to the compensation circuit to a side away from the compensation circuit.
6. The display panel according to claim 1, wherein the light-emitting pixel device comprises a first pixel, a second pixel, and a third pixel, and the first pixel, the second pixel, and the third pixel are alternately connected to the semiconductor layer through a contact hole.
7. The display panel according to claim 6, wherein the first pixel is a red pixel, the second pixel is a green pixel, and the third pixel is a blue pixel.
8. The display panel according to claim 1, wherein the semiconductor layer comprises a channel layer and a conductor layer, and the conductor layer is located on both sides of the channel layer.
9. The display panel according to claim 1, wherein the hollowed-out area is adapted to a shape of the camera.
10. A display device, comprising a display panel according to any one of claims 1 to 9 and a camera mounted at a position corresponding to the hollow area.
CN202010530618.4A 2020-06-11 2020-06-11 Display panel and display device Active CN111725427B (en)

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CN111725427B true CN111725427B (en) 2022-04-05

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106935144A (en) * 2017-04-17 2017-07-07 广东欧珀移动通信有限公司 display module and terminal device
EP3419072A1 (en) * 2017-06-22 2018-12-26 Apple Inc. Transparent coatings with multilayer flake pigments
CN110085650A (en) * 2019-05-24 2019-08-02 武汉华星光电半导体显示技术有限公司 Display panel
CN110190104A (en) * 2019-06-03 2019-08-30 武汉天马微电子有限公司 Display panel and manufacturing method thereof
CN110265441A (en) * 2019-06-10 2019-09-20 武汉华星光电半导体显示技术有限公司 A kind of display panel and its display device
CN110297365A (en) * 2019-06-27 2019-10-01 武汉天马微电子有限公司 Array substrate, display panel and display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106935144A (en) * 2017-04-17 2017-07-07 广东欧珀移动通信有限公司 display module and terminal device
EP3419072A1 (en) * 2017-06-22 2018-12-26 Apple Inc. Transparent coatings with multilayer flake pigments
CN110085650A (en) * 2019-05-24 2019-08-02 武汉华星光电半导体显示技术有限公司 Display panel
CN110190104A (en) * 2019-06-03 2019-08-30 武汉天马微电子有限公司 Display panel and manufacturing method thereof
CN110265441A (en) * 2019-06-10 2019-09-20 武汉华星光电半导体显示技术有限公司 A kind of display panel and its display device
CN110297365A (en) * 2019-06-27 2019-10-01 武汉天马微电子有限公司 Array substrate, display panel and display device

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