CN110570770A - display panel and display device - Google Patents
display panel and display device Download PDFInfo
- Publication number
- CN110570770A CN110570770A CN201910865967.9A CN201910865967A CN110570770A CN 110570770 A CN110570770 A CN 110570770A CN 201910865967 A CN201910865967 A CN 201910865967A CN 110570770 A CN110570770 A CN 110570770A
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- transparent
- display
- display area
- display panel
- layer
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Classifications
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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
-
- 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
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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
- G09F9/33—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
Abstract
The application provides a display panel and a display device. The display panel comprises a first display area and a second display area, and the first display area and the second display area are adjacently arranged; the first display area is provided with a transparent wiring layer, and the transparent wiring layer is made of transparent conductive materials. The routing layer of the first display area is set to be a transparent routing layer, so that the light transmittance of the first display area is greatly improved, and compared with the non-transparent routing, the transparent routing layer can transmit most light, the phenomenon that incident light generates obvious light diffraction when passing through a gap between non-transparent routing lines is avoided, the problem of stray light generated due to the light diffraction effect is avoided, the problem that the light of an optical element is interfered by the display panel is greatly reduced, the requirement that the light of the optical element penetrates through the display panel is met, the first display area can display the light and can ensure enough light penetration capacity, and the real full-screen display is realized.
Description
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 technology, users have made higher demands on display devices. The utilization rate of the inner space of the smart phone is increased at any time along with the continuous increase of the size. Consumers now seek not only a simple large screen, but also a compact and better body while ensuring the size of the screen, and benefit from the homogenization of hardware, and the screen occupation ratio becomes a very popular word in the appearance of the mobile phone.
The narrow-edge mobile phone brings higher screen occupation ratio, so that the mobile phone is integrated with a larger display screen in a smaller body size, more perfect video and game experience is brought, and the portability of the mobile phone is improved. The visual effect that narrow frame cell-phone brought is splendid, and bigger screen under the fuselage of the same size can hold, or the screen of the same size can let the fuselage size compacter.
The frame of the existing mobile phone product needs to have a certain space for placing the front camera, the distance sensor, the ambient light sensor, the fingerprint identification sensor and other structures, so that the mobile phone product cannot realize a real comprehensive screen.
Disclosure of Invention
according to a first aspect of embodiments of the present application, there is provided a display panel including a first display region;
The first display area and the second display area are arranged adjacently;
the first display area is provided with a transparent wiring layer, and the transparent wiring layer is made of transparent conductive materials.
In one embodiment, the transparent routing layer comprises a first transparent routing layer; the display panel further comprises a scanning line, and the scanning line positioned in the first display area is a part of the first transparent wiring layer.
In one embodiment, the display device further comprises a thin film transistor, wherein the scanning line positioned in the first display area and the gate of the thin film transistor positioned in the first display area are positioned in the same film layer; and the grid electrode of the thin film transistor positioned in the first display area is a part of the first transparent wiring layer.
In one embodiment, the transparent routing layer further comprises a second transparent routing layer; the display panel further comprises a data line, and the data line positioned in the first display area is a part of the second transparent routing layer.
In one embodiment, the display device further comprises a thin film transistor, wherein the data line positioned in the first display area and the source electrode and the drain electrode of the thin film transistor positioned in the first display area are positioned in the same film layer; and the source electrode and the drain electrode of the thin film transistor positioned in the first display area are part of the second transparent wiring layer.
In one embodiment, all the film layers of the first display region are made of a transparent material.
In one embodiment, the display panel according to claim 1, wherein the transparent conductive material making up the transparent routing layer is polyacetylene.
In one embodiment, the transparent routing layer includes a main body portion and a fastening portion, the main body portion and the fastening portion are integrally formed and electrically connected, the fastening portion is located at an edge of the main body portion, and the fastening portion extends towards and is embedded into an adjacent film layer of the transparent routing layer.
According to a second aspect of embodiments of the present application, there is provided a display device comprising the flexible display panel described above.
In one embodiment, the display panel includes a substrate and a plurality of thin film transistors arranged in an array in the first display region and the second display region; and an optical element is arranged on the side, opposite to the thin film transistor, of the substrate, and light rays emitted and received by the optical element can penetrate through the display panel.
The display panel and the display device provided by the embodiment of the application comprise a first display area and a second display area, wherein the first display area and the second display area are adjacently arranged; the first display area is provided with a transparent wiring layer, and the transparent wiring layer is made of transparent conductive materials. The routing layer of the first display area is set to be a transparent routing layer, so that the light transmittance of the first display area is greatly improved, and compared with the non-transparent routing, the transparent routing layer can transmit most light, the condition that incident light generates obvious light diffraction effect when penetrating through a gap between the non-transparent routing is avoided, the parasitic light problem generated by the light diffraction effect is also avoided, the problem that the light of an optical element is interfered by the display panel is greatly reduced, the requirement that the light of the optical element penetrates through is met, the first display area can display, the enough light penetration capacity can be guaranteed, and the real full-screen display is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view of the display panel shown in FIG. 1;
Fig. 3 is a schematic cross-sectional view of a display panel according to another embodiment of the present application;
fig. 4 is a schematic cross-sectional view of a display panel according to yet another embodiment of the present application;
Fig. 5 is a schematic cross-sectional view of a display device according to yet another embodiment of the present disclosure.
description of reference numerals:
display apparatus 1000 display panel 100 optical element 200
First display region 10 and second display region 20 thin film transistor 30
Insulating layer 70 insulating layer 90 between gate insulating layers 80
Substrate 60 transparent routing layer 11 grid 31
source 32 drain 33 active layer 34
Main body 111 latch 112 first transparent wiring layer 113
second transparent routing layer 114 transparent routing 115
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "plurality" includes two, and is equivalent to at least two. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The display panel and the display device in the embodiments of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.
The embodiment of the application provides a display panel 100.
Referring to fig. 1, the display panel 100 includes a first display region 10 and a second display region 20, and the first display region 10 and the second display region 20 are adjacently disposed. Referring to fig. 2, the first display area 10 is provided with a transparent routing layer 11, and the transparent routing layer 11 is made of a transparent conductive material. After being irradiated to the transparent wiring layer 11 of the first display region, light may penetrate through the transparent wiring layer 11.
The display panel 100 provided by this embodiment greatly improves the light transmittance of the first display area 10 by setting the routing layer of the first display area 10 as the transparent routing layer 11. Compared with the non-transparent routing, the transparent routing layer 11 can penetrate through most of light, so that the condition that incident light generates an obvious light diffraction effect when penetrating through gaps between non-transparent routing lines is avoided, the problem of stray light generated due to the light diffraction effect is also avoided, the problem that the light of an optical element is interfered by the display panel 100 is greatly reduced, the requirement of light penetration of the optical element is further met, the first display area 10 can display and can ensure sufficient light penetration capacity, and the real full-screen display is realized.
Referring to fig. 1 to 3, the display panel 100 includes thin film transistors 30, and the thin film transistors 30 are arranged in an array in the first display region 10 and the second display region 20. The display panel 100 may be an organic electroluminescent (OLED) display panel. The display panel 100 includes a plurality of pixel units arranged in an array. The display panel 100 further includes scan lines supplying display driving control signals to the pixel units and data lines supplying data display signals to the pixel units. The plurality of scanning lines extend along a first direction and are arranged along a second direction. The plurality of data lines extend along the second direction and are arranged along the first direction. The first direction and the second direction intersect, and preferably, the first direction and the second direction are perpendicular.
The transparent routing layer 11 includes a first transparent routing layer 113. The scan lines in the first display area 10 are part of the first transparent routing layer. That is, the scan lines in the first display area 10 are traces made of transparent material. Since the scanning lines in the first display area 10 are made of transparent material, incident light can penetrate through the scanning lines after reaching the scanning lines, so that the incident light basically does not generate slit diffraction effect between adjacent scanning lines, and the phenomenon that the receiving and the transmitting of the light passing through the display panel 100 by optical elements are influenced due to the generation of a large amount of stray light caused by the slit diffraction between the scanning lines is avoided.
With continued reference to fig. 1 to fig. 3, the thin film transistor 30 includes a gate electrode 31, a source electrode 32, a drain electrode 33 and an active layer 34. The gate electrode 31 of the thin film transistor 30 in the first display region 10 is a part of the first transparent wiring layer 113. The scan line in the first display region 10 and the gate 31 of the thin film transistor 30 in the first display region 10 are located in the same layer. That is, the first transparent wiring layer 113 includes the gate electrode 31 of the thin film transistor 30 and the scan line. The scan line is electrically connected to the gate electrode 31. The grid 31 of the thin film transistor 30 in the first display area 10 is made of a transparent structure, so that diffraction phenomena such as circular hole diffraction or slit diffraction and the like between different parts of the grid 31 and between adjacent grids 31 can be avoided, and the influence of optical elements on the receiving and emitting of light rays passing through the display panel 100 due to a large amount of stray light generated by the diffraction effect of the grid is avoided.
With continued reference to fig. 1-3, the transparent routing layer 11 includes a second transparent routing layer 114. The data lines in the first display area 10 are part of the first transparent routing layer. That is, the data lines in the first display area 10 are transparent traces. Since the data lines in the first display area 10 are made of transparent material, incident light can penetrate through the data lines after reaching the data lines, so that the incident light basically does not generate a slit diffraction effect between adjacent data lines, and the phenomenon that the receiving and emitting of the light passing through the display panel 100 by optical elements are influenced due to a large amount of stray light generated by the slit diffraction between the data lines is avoided.
With continued reference to fig. 1 to fig. 3, the source 32 and the drain 33 of the thin film transistor 30 in the first display region 10 are part of the second transparent wiring layer 114. The data line in the first display region 10 and the source electrode 32 and the drain electrode 33 of the thin film transistor 30 in the first display region 10 are located in the same film layer. That is, the second transparent wiring layer 114 includes the source electrode 32 and the drain electrode 33 of the thin film transistor 30 and the data line. The data line is electrically connected to the source electrode 32 or the drain electrode 33. The source electrode 32 and the drain electrode 33 of the thin film transistor 30 in the first display area 10 are made of transparent structures, so that diffraction phenomena such as circular hole diffraction or slit diffraction and the like between different parts of the source electrode 32 and the drain electrode 33 and between adjacent source electrode 32 and drain electrode 33 can be avoided, and the phenomenon that a large amount of stray light is generated due to the diffraction effect of the source electrode 32 or the drain electrode 33 to influence the receiving and emitting of light rays passing through the display panel 100 by optical elements is avoided.
With reference to fig. 1 to fig. 3, the scan lines and the data lines in the first display area 10 of the display panel 100 are both arranged as transparent wires, so as to further avoid forming small holes between the scan lines and the data lines, and further avoid adverse effects on the receiving and transmitting of the light rays passing through the display panel 100 by the optical elements due to diffraction phenomenon.
Further, the display panel 100 further includes a storage capacitor, where the storage capacitor includes a first plate and a second plate; the first plate of the storage capacitor in the first display region 10 is a part of the first transparent wiring layer 113, and the second plate of the storage capacitor in the first display region 10 is a part of the second transparent wiring layer 114. This further increases the light transmittance of the first display region 10.
Referring to fig. 1, all the film layers of the first display area 10 are made of transparent materials. The method specifically comprises the following steps: scanning lines, data lines, an OLED device anode, an OLED device cathode and the like. Thus, the light transmittance of the first display area 10 is greatly improved, the condition that a large amount of stray light is generated due to diffraction is avoided, the normal display function of the first display area is ensured, meanwhile, the sufficient light transmittance is ensured, and the real full-screen display is realized.
referring to fig. 4, in the first display area 10, the transparent routing layer 11 includes a main body portion 111 and a fastening portion 112, the main body portion 111 and the fastening portion 112 are integrally formed and electrically connected, the fastening portion 112 is located at an edge of the main body portion 111, and the fastening portion 112 extends toward and is embedded in an adjacent film layer of the transparent routing layer 11. Specifically, as shown in fig. 4, the display panel 10 includes a substrate 60, an isolation layer 70, an active layer 34, a gate insulating layer 80, and a first transparent wiring layer 113, which are sequentially stacked. Specifically, the isolation layer 70 includes a silicon nitride layer and a silicon oxide layer stacked in sequence, the silicon nitride layer is close to the substrate 60, and the silicon oxide layer is far from the substrate 60. The latch portion 112 of the first transparent wiring layer 113 extends toward the gate insulating layer 80 and is embedded in the gate insulating layer 80. Further, in the first display region 10, the second transparent wiring layer 114 is disposed on the interlayer insulating layer 90, the interlayer insulating layer 90 covers the gate electrode 31 and the gate insulating layer 80, and the latch portion of the second transparent wiring layer 114 extends toward the interlayer insulating layer 90 and is embedded in the interlayer insulating layer 90.
The display panel 100 provided by this embodiment sets the transparent routing layer 11 to include the main body portion 111 and the fastening portion 112, so that the transparent routing layer 11 can be more tightly combined with adjacent films, the films are prevented from falling off, and the reliability of the product is improved.
The embodiment of the application also provides a display device. The display device 1000 includes the display panel 100 described above.
In one embodiment, referring to fig. 5, the display panel 100 includes a substrate 60 and a plurality of thin film transistors arranged in an array in the first display region 10 and the second display region 20; the side of the substrate 60 facing away from the thin film transistor is provided with an optical element 200, and light emitted and received by the optical element 200 can pass through the display panel. Specifically, the optical element 200 may be a front camera, a distance sensor, an ambient light sensor, a fingerprint sensor, or the like.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.
Claims (10)
1. a display panel, comprising:
a first display area;
The first display area and the second display area are arranged adjacently;
The first display area is provided with a transparent wiring layer, and the transparent wiring layer is made of transparent conductive materials.
2. The display panel according to claim 1,
the transparent routing layers comprise a first transparent routing layer;
The display panel further comprises a scanning line, and the scanning line positioned in the first display area is a part of the first transparent wiring layer.
3. The display panel according to claim 2,
the scanning line positioned in the first display area and the grid electrode of the thin film transistor positioned in the first display area are positioned on the same film layer;
and the grid electrode of the thin film transistor positioned in the first display area is a part of the first transparent wiring layer.
4. The display panel according to claim 1,
The transparent routing layer also comprises a second transparent routing layer;
The display panel further comprises a data line, and the data line positioned in the first display area is a part of the second transparent routing layer.
5. The display panel according to claim 4,
the data line positioned in the first display area and the source electrode and the drain electrode of the thin film transistor positioned in the first display area are positioned on the same film layer;
And the source electrode and the drain electrode of the thin film transistor positioned in the first display area are part of the second transparent wiring layer.
6. The display panel according to claim 1, wherein all the film layers of the first display region are made of a transparent material.
7. The display panel according to claim 1, wherein the transparent conductive material of which the transparent routing layer is made is polyacetylene.
8. The display panel according to claim 1, wherein the transparent routing layer comprises a main body portion and a fastening portion, the main body portion and the fastening portion are integrally formed and electrically connected, the fastening portion is located at an edge of the main body portion, and the fastening portion extends towards and is embedded into an adjacent film layer of the transparent routing layer.
9. a display device characterized in that it comprises a display panel according to any one of claims 1 to 8.
10. The display device according to claim 9, wherein the display panel includes a substrate and a plurality of thin film transistors arranged in an array in the first display region and the second display region; and an optical element is arranged on the side, opposite to the thin film transistor, of the substrate, and light rays emitted and received by the optical element can penetrate through the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865967.9A CN110570770B (en) | 2019-09-12 | 2019-09-12 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865967.9A CN110570770B (en) | 2019-09-12 | 2019-09-12 | Display panel and display device |
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| Publication Number | Publication Date |
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| CN110570770A true CN110570770A (en) | 2019-12-13 |
| CN110570770B CN110570770B (en) | 2021-08-13 |
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| CN201910865967.9A Active CN110570770B (en) | 2019-09-12 | 2019-09-12 | Display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111276055A (en) * | 2020-02-28 | 2020-06-12 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111863895A (en) * | 2020-07-16 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Foldable display screen |
| US11758770B2 (en) | 2020-12-29 | 2023-09-12 | Wuhan Tianma Micro-Electronics Co., Ltd. | Display panel and display device with pixel electrode overlapping transparent wires configured to reduce laser-etching damage |
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| CN110570770B (en) | 2021-08-13 |
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