CN107993581B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN107993581B CN107993581B CN201711244108.5A CN201711244108A CN107993581B CN 107993581 B CN107993581 B CN 107993581B CN 201711244108 A CN201711244108 A CN 201711244108A CN 107993581 B CN107993581 B CN 107993581B
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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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
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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
Abstract
the invention provides a display panel and a display device, the display panel includes: the display panel comprises a first display area and a second display area, wherein the second display area comprises a first sub display area and a second sub display area which are positioned on two sides of a first opening area, at least one gate line in the second display area comprises a first sub gate line, a second sub gate line and a first crossover line, the first crossover line is positioned in the first display area, and two ends of the first crossover line are respectively connected with the first sub gate line and the second sub gate line. In the above embodiment, the first flying line is arranged in the display area of the display panel, and the first sub gate line and the second sub gate line are connected into a whole through the arranged first flying line, so that the gate lines which are broken into two ends due to the arrangement of the notch are connected into a whole again, the driving mode of the two sides of the gate lines in the notch area is realized, the difference of the gate line loads in the notch area and the non-notch area is reduced, and the display effect is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
background
along with the development of narrow frame, the display panel of mobile terminal is more big and more big, and need set up devices such as earphone, camera on mobile terminal, consequently, need set up the breach on display panel, as shown in fig. 1, when setting up breach 2 on display panel 1, because dig partial structure and can lead to the grid line load different, lead to showing inequality even the split screen.
One conventional solution is as shown in fig. 2, that is, different problems of gate line loads can be solved by winding wires in the area of the edge of the notch, but this causes the non-display area of the edge of the notch to be extremely large, which affects the area of the display panel.
Disclosure of Invention
The invention provides a display panel and a display device, which are used for improving the display effect of the display panel when the display area of the display panel is not influenced.
The present invention provides a display panel, including:
the display device comprises a first display area and a second display area, wherein the number of any row of sub-pixels in the second display area is less than that of any row of sub-pixels in the first display area;
The second display area comprises a first sub-display area and a second sub-display area, a first opening area is arranged between the first sub-display area and the second sub-display area, and each row of sub-pixels in the second display area receive gate signals through the same gate line; wherein the content of the first and second substances,
at least one gate line in the second display area comprises a first sub-gate line, a second sub-gate line and a first crossover line, the first sub-gate line is located in the first sub-display area, the second sub-gate line is located in the second sub-display area, the first crossover line is located in the first display area, and two ends of the first crossover line are respectively connected with the first sub-gate line and the second sub-gate line.
In the above embodiment, the first flying line is arranged in the display area of the display panel, and the first sub gate line and the second sub gate line are connected into a whole through the arranged first flying line, so that the gate lines which are broken into two ends due to the arrangement of the notch are connected into a whole again, the driving mode of the two sides of the gate lines in the notch area is realized, the difference of the gate line loads in the notch area and the non-notch area is reduced, and the display effect is improved.
in a specific embodiment, the sub-pixel of the first display region includes a thin film transistor, and an anode layer connected to a drain of the thin film transistor, the thin film transistor includes a first metal layer and a second metal layer, a gate of the thin film transistor is located in the first metal layer, and a source and/or a drain of the thin film transistor is located in the second metal layer.
In a specific embodiment, the first flying lead is located in the same layer as the anode layer. The first overline is arranged on the anode layer, so that the layer number of the whole display panel is reduced, and the production of the display panel is facilitated.
In a specific embodiment, the thin film transistor further includes a third metal layer, and the first flying lead and the third metal layer are located in the same layer. A first crossover is provided by a third metal.
In a specific embodiment, the third metal layer is located between the first metal layer and the second metal layer.
In a specific embodiment, the third metal layer is located between the second metal layer and the anode layer.
in a specific embodiment, the at least one gate line further includes a first connection portion and a second connection portion, the first crossover line is connected with the first sub-gate line through the first connection portion, and the first crossover line is connected with the second sub-gate line through the second connection portion. The first connecting portion and the second connecting portion are respectively connected with the first cross wire, so that the first cross wire is convenient to arrange.
In a particular embodiment, the first and second connections are at the same level as the first span. The number of layers of the display panel is reduced.
In a specific embodiment, the first connection portion and the second connection portion are disposed on the same layer, and the first connection portion and the second connection portion are located between the first span line and the at least one gate line. The first connecting part and the second connecting part are formed by an additionally arranged metal layer.
In a specific embodiment, a width of the first flying line is greater than a width of the first sub-gate line and/or the second sub-gate line. Thus, the resistance is reduced, and since the path is lengthened by the winding, the resistance of the wire is increased, and thus the resistance is reduced by widening the wire.
The invention also provides a display device comprising the display panel.
In the above embodiment, the first flying line is arranged in the display area of the display panel, and the first sub gate line and the second sub gate line are connected into a whole through the arranged first flying line, so that the gate lines which are broken into two ends due to the arrangement of the notch are connected into a whole again, the driving mode of the two sides of the gate lines in the notch area is realized, the difference of the gate line loads in the notch area and the non-notch area is reduced, and the display effect is improved.
Drawings
FIG. 1 is a schematic diagram of a display panel in the prior art;
FIG. 2 is a schematic diagram illustrating a gate line arrangement of a display panel according to the prior art;
Fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a gate line in a first display area according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a gate line of a first display area according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a gate line of a first display area according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a gate line of a first display area according to an embodiment of the present invention;
Fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 3, fig. 3 shows a structure of a display panel according to an embodiment of the present invention. As can be seen from the structure shown in fig. 3, the display panel provided by the embodiment of the invention has a display area and a non-display area, wherein the display area is provided with sub-pixels arranged in an array; however, when the display panel has an irregular structure, the number of sub-pixels in each row on the display panel changes with the change of the shape of the display panel, and as shown in fig. 3, the top of the display panel has a notch 40, and at this time, the notch 40 causes the sub-pixels in several rows on the top of the display panel to be cut off, and the gate line 30 connecting the sub-pixels in each row is also cut into two segments by the notch 40. For convenience of description, the display area is divided into two regions according to the arrangement of the sub-pixels in each row, which are respectively: a first display area 10 and a second display area. The number of any row of sub-pixels in the second display area is less than that of the row of sub-pixels in the first display area 10. In the display panel corresponding to fig. 3, the first display area 10 is a display area located below the notch 40, and the second display area is a display area located on both sides of the notch 40.
The second display area includes a first sub-display area 21 and a second sub-display area 22, and a first opening area is arranged between the first sub-display area 21 and the second sub-display area 22, the first opening area is a gap 40 on the display panel in fig. 3, the placing direction of the display panel in fig. 3 is taken as a reference direction, the first sub-display area 21 is located on the left side of the gap 40, and the second sub-display area 22 is located on the right side of the gap 40. For the gate lines 30 of the second display area, each row of sub-pixels in the second display area receives a gate signal through the same gate line 30, and when the arrangement is specific, at least one gate line 30 in the second display area includes a first sub-gate line 31, a second sub-gate line 32 and a first crossover line 33, and when the number of the gate lines 30 in the second display area is multiple, each gate line 30 includes the first sub-gate line 31, the second sub-gate line 32 and the first crossover line 33.
In a specific arrangement, for each gate line 30, the first sub-gate line 31 is located in the first sub-display area 21, the second sub-gate line 32 is located in the second sub-display area 22, the first crossover line 33 is located in the first display area 10, and both ends of the first crossover line 33 are respectively connected to the first sub-gate line 31 and the second sub-gate line 32. In the structure shown in fig. 3, the first sub-gate line 31 and the second sub-gate line 32 can be understood as two gate lines 30 formed by cutting the same gate line 30 due to the provision of the notch 40, and the first crossover line 33 is a line reconnecting the first sub-gate line 31 and the second sub-gate line 32.
As can be seen from the structure shown in fig. 3, although the first display area 10 cuts off the gate lines 30 in the first display area 10 due to the provision of the notches 40, the first and second sub-gate lines 31 and 32 are reconnected to form one gate line by the provision of the first crossover lines 33, so that the gate lines 30 in the second display area are one complete gate line as the gate lines in the first display area 10, and in specific driving, as shown in fig. 3 and 4, when driven by the driving circuits 60 located at both sides of the display panel, the gate lines in the first display area 10 drive the sub-pixels of the entire row, and the gate lines 30 in the second display area drive the sub-pixels of the entire row, that is, the load of one row of gate lines in the first display area 10 is substantially the same as the load of one row of gate lines 30 in the second display area. In addition, when the display panel adopts the dual-side driving, because the gate line 30 in the second display area connects the first sub-gate line 31 and the second sub-gate line 32 into a whole through the first crossover line 33, the gate line 30 in the second display area can also realize the same dual-side driving mode as the gate line of the first display area 10, thereby reducing the delay difference between the first display area 10 and the second display area during the display and improving the display effect. In addition, as can be seen from fig. 3, since the gap 40 needs to be bypassed when the first sub-gate and the second sub-gate are connected, the length of the gate line 30 in the second display area is greater than the length of the gate line in the first display area 10, in order to avoid the situation that the resistance of the gate line 30 increases due to the increase of the length of the gate line 30 in the second display area, in the embodiment of the present invention, the width of the first crossover line 33 is greater than the width of the first sub-gate line 31 and/or the width of the second sub-gate line 32, for example, the width of the first crossover line 33 is greater than the width of the first sub-gate line 31, and the width of the first crossover line 33 is greater than the width of the second sub-gate line 32. Thus, the resistance is reduced, and since the path is lengthened by the winding, the resistance of the wire is increased, and thus the resistance is reduced by widening the wire.
In addition, when there are a plurality of gate lines 30 in the second display area, more first flying leads 33 need to be disposed, and in order to avoid the disposed first flying leads 33 affecting the area of the display area, in the embodiment of the present invention, the first flying leads 33 are disposed in the first display area 10, that is, the first flying leads 33 are located in the display area, so as to avoid the more first flying leads 33 affecting the display area when disposed. For the convenience of understanding the improvement of the display area of the first flying lead 33 in the embodiment of the present application, it will be described in detail with reference to fig. 2 and 3.
Fig. 2 is a schematic view of a prior art implementation for ensuring the integrity of the gate lines 3 on both sides of the gap 2, as shown in fig. 2. In the structure shown in fig. 2, the gate line 3 is driven by the driving circuits 4 at both ends, so as to avoid the gap 2 cutting off the gate line 3, when the gate line 3 is set, the gap 2 is avoided, that is, the gate line 3 near the gap 2 is bent to bypass the gap 2, thereby ensuring the integrity of the whole gate line 3, but when this method is adopted, the gate line 3 is piled near the gap 2, and the gate line 3 is set to be in the non-display area, therefore, a larger non-display area is formed near the gap 2, thereby affecting the display area of the display panel.
As shown in fig. 3, in the display device provided by the embodiment of the present invention, the first sub gate line 31 and the second sub gate line 32 are integrally connected by using the first flying line 33 as a connection line. And when the first crossover line 33 is specifically arranged, the first crossover line 33 is located in the first display area 10, that is, the first crossover line 33 provided in the embodiment of the present invention is made of a transparent material, or is arranged in an area shielded by a black matrix in the first display area 10 when a non-transparent material is adopted, so that a new non-display area is not additionally formed when the first crossover line 33 provided in the embodiment of the present invention is arranged, and the hands-free of the display area of the display panel is not affected.
In order to facilitate understanding of the arrangement of the first flying lead 33 provided by the embodiment of the present invention, a structure of a sub-pixel of the first display area 10 according to the embodiment of the present invention is first described, where the sub-pixel includes a thin film transistor and an anode layer 50 connected to a drain of the thin film transistor, where the thin film transistor includes a first metal layer and a second metal layer, a gate of the thin film transistor is located in the first metal layer, and a source and/or a drain of the thin film transistor is located in the second metal layer.
When the first flying leads 33 are specifically provided, the flying leads may be provided in different layers of the first display region 10. As shown in fig. 5, the first flying lead 33 is located at the same layer as the anode layer. Specifically, when the anode is formed, the first crossover line 33 may be formed at the same time and connected to the first and second sub-gate lines 31 and 32 through the via hole. In particular, the at least one gate line 30 further includes a first connection portion 34 and a second connection portion 35, the first flying line 33 is connected to the first sub-gate line 31 through the first connection portion 34, and the first flying line 33 is connected to the second sub-gate line 32 through the second connection portion 35. The first connecting portion 34 and the second connecting portion 35 are respectively connected to the first flying lead 33, so that the first flying lead 33 can be arranged conveniently. As shown in fig. 3, the first sub gate line 31 is connected to the first connection portion 34, and the second sub gate line 32 is connected to the second connection portion 35, and when the first connection portion 34 and the second connection portion 35 are disposed, as shown in fig. 3, perpendicular to the first sub gate line 31 and the second sub gate line 32, or the first connection portion 34 and the second connection portion 35 may be disposed in a manner of being inclined at a certain angle with respect to each other, it is sufficient that the first connection portion 34 and the second connection portion 35 connect the first crossover line 33 located in the first display region 10 and the first sub gate line 31 and the second sub gate line 32 located in the second display region.
The first connection portion 34 and the second connection portion 35 may be disposed on different layers. In one embodiment, as shown in FIG. 6, the first connection 34 and the second connection 35 are located at the same level as the first flying lead 33. In this case, in the anode layer 50, both ends of the first jumper line 33 communicate with the first connection portion 34 and the second connection portion 35, respectively. And the first and second connection parts 34 and 35 extend from the first display region 10 to the second display region, and are respectively connected to the first and second sub gate lines 31 and 32 after passing through a via hole provided in the second display region, thereby integrally connecting the first and second sub gate lines 31 and 32. Alternatively, the first connection portion 34 and the second connection portion 35 may be provided in a different layer from the first crossover 33. As shown in fig. 7, the first connection portion 34 and the second connection portion 35 are disposed on the same layer, and the first connection portion 34 and the second connection portion 35 are located between the first flying line 33 and the at least one gate line 30. That is, by forming one metal layer between the gate line 30 and the anode layer 50, and the first connection portion 34 and the second connection portion 35 are formed on the metal layer. In a specific arrangement, the first flying line 33 is connected to the first connection portion 34 and the second connection portion 35 through a via hole provided in the first display region 10, and the first connection portion 34 and the second connection portion 35 are connected to the first sub gate line 31 and the second sub gate line 32 through a via hole provided in the second display region.
As can be seen from the above description, since the first connection portion 34, the second connection portion 35, and the first crossover line 33 are not disposed in the same layer as the first sub-gate line 31 and the second sub-gate line 32, when the number of the first sub-gate line 31 and the second sub-gate line 32 is plural, the first crossover line 33, the first connection portion 34, and the second connection portion 35 can be disposed in the space of another layer on the display panel, and the disposition space of the first connection portion 34, the second connection portion 35, and the first crossover line 33 is greatly improved.
The first flying lead 33 may be disposed on a layer other than the anode layer 50, and in a specific arrangement, the thin film transistor further includes a third metal layer, and the first flying lead 33 and the third metal layer are on the same layer. That is, when the first flying lead 33 is provided, a layer is separately provided for forming the first flying lead 33, and when specifically provided, the third metal layer is located between the first metal layer and the second metal layer. Alternatively, the third metal layer is located between the second metal layer and the anode layer. Therefore, the arrangement position of the third metal layer can be selected according to the actual space structure of the display panel. To facilitate the placement of first flying lead 33.
When the first flying lead 33 is located in the third metal layer, the first connection portion 34 and the second connection portion 35 may be disposed in the same layer or different layers from the first flying lead 33. The specific arrangement of the first connecting portion 34 and the second connecting portion 35 is the same as that described above when the first crossover line 33 and the anode layer 50 are on the same layer, and will not be described in detail here.
As can be seen from the above specific embodiments, in the display panel provided in the embodiments of the present invention, the first crossover line 33, the first connection portion 34, and the second connection portion 35 are arranged to connect the first sub-gate and the second sub-gate integrally, so that a difference in response between the second display region and the first display region 10 during display time delay is improved, and when the first crossover line 33, the first connection portion 34, and the second connection portion 35 are arranged specifically, the first crossover line 33, the first connection portion 34, and the second connection portion 35 are all located in the display region, so that a non-display region is avoided being formed when the first sub-gate line 31 and the second sub-gate line 32 are connected integrally, and a display region of the display panel is improved to the maximum extent.
As shown in fig. 8, the present invention further provides a display device 100, where the display device 100 is a display device 100 commonly used in a mobile phone, a tablet computer, a smart watch, etc., and the display device 100 includes a display panel 200 according to any one of the above descriptions.
In the above embodiment, by disposing the first flying lead 33 in the display area of the display panel 200 and integrally connecting the first sub gate line 31 and the second sub gate line 32 by the disposed first flying lead 33, the gate line 30 cut to two ends by disposing the notch 40 is integrally reconnected, so that the driving manner of both sides of the gate line 30 in the notch 40 area is realized, and the difference in load of the gate line 30 in the notch 40 area and the non-notch 40 area is reduced, thereby improving the display effect.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A display panel, comprising:
the display device comprises a first display area and a second display area, wherein the number of any row of sub-pixels in the second display area is less than that of any row of sub-pixels in the first display area;
The second display area comprises a first sub-display area and a second sub-display area, a first opening area is arranged between the first sub-display area and the second sub-display area, and each row of sub-pixels in the second display area receive gate signals through the same gate line; wherein the content of the first and second substances,
At least one gate line in the second display area comprises a first sub-gate line, a second sub-gate line and a first crossover line, the first sub-gate line is located in the first sub-display area, the second sub-gate line is located in the second sub-display area, the first crossover line is located in the first display area, and two ends of the first crossover line are respectively connected with the first sub-gate line and the second sub-gate line.
2. The display panel according to claim 1, wherein the sub-pixels of the first display region comprise a thin film transistor and an anode layer connected to a drain of the thin film transistor, the thin film transistor comprises a first metal layer and a second metal layer, a gate of the thin film transistor is located on the first metal layer, and a source and/or a drain of the thin film transistor is located on the second metal layer.
3. The display panel of claim 2, wherein the first flying lead is in the same layer as the anode layer.
4. The display panel according to claim 2, wherein the thin film transistor further comprises a third metal layer, and the first flying lead and the third metal layer are located in the same layer.
5. the display panel according to claim 4, wherein the third metal layer is located between the first metal layer and the second metal layer.
6. The display panel of claim 4, wherein the third metal layer is between the second metal layer and the anode layer.
7. The display panel according to claim 1, wherein the at least one gate line further comprises a first connection portion and a second connection portion, the first crossover line is connected to the first sub-gate line through the first connection portion, and the first crossover line is connected to the second sub-gate line through the second connection portion.
8. The display panel according to claim 7, wherein the first connection portion and the second connection portion are located in the same layer as the first crossover.
9. The display panel according to claim 7, wherein the first connection portion and the second connection portion are disposed on the same layer, and the first connection portion and the second connection portion are located between the first cross line and the at least one gate line.
10. the display panel according to claim 1, wherein the width of the first flying line is greater than the width of the first sub gate line and/or the second sub gate line.
11. A display device characterized by comprising the display panel according to any one of claims 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711244108.5A CN107993581B (en) | 2017-11-30 | 2017-11-30 | Display panel and display device |
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| CN201711244108.5A CN107993581B (en) | 2017-11-30 | 2017-11-30 | Display panel and display device |
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| CN107993581B true CN107993581B (en) | 2019-12-13 |
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| CN101149500A (en) * | 2006-09-18 | 2008-03-26 | 三星电子株式会社 | Display apparatus |
| EP1968033A1 (en) * | 2007-03-09 | 2008-09-10 | Thomas Tennagels | Display device with holder device |
| CN104749838A (en) * | 2013-12-30 | 2015-07-01 | 乐金显示有限公司 | Thin film transistor substrate and liquid crystal display device using the same |
| CN104880871A (en) * | 2015-06-23 | 2015-09-02 | 合肥鑫晟光电科技有限公司 | Display panel and display device |
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| CN107993581A (en) | 2018-05-04 |
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