CN-116978918-B - Display panel and display device

CN116978918BCN 116978918 BCN116978918 BCN 116978918BCN-116978918-B

Abstract

The invention discloses a display panel and a display device. The display panel comprises a first display area, a second display area, a plurality of first electrode groups, a plurality of second electrode groups and a plurality of first display areas, wherein the first display area and the second display area of the first display area are arranged in an extending mode along a first direction, the second display area comprises a first edge area which is arranged in an extending mode along a second direction, and at least one third edge area which is arranged at the junction of the first edge area and the second edge area, the plurality of first electrode groups are provided with a plurality of first bonding areas, the plurality of second electrode groups are provided with a plurality of second bonding areas, the plurality of second electrode groups are arranged in at least one of the first edge area, the second edge area and the third edge area, the plurality of first electrode groups are arranged on portions, where the first electrode groups and the second display area are not arranged, of any second bonding areas of the second electrode groups are larger than the first bonding areas of any first electrode groups. The visual effect that this scheme can improve the splice and lead to, promotes display device's display effect.

Inventors

LI YANG
Tian Wenya
REN FUJIAN
LI YUNZE
WAN BAOHONG

Assignees

成都辰显光电有限公司

Dates

Publication Date: 20260508
Application Date: 20220421

Claims (10)

1. A display panel, comprising: A first display area; The second display area surrounds the first display area and comprises a first edge area extending along a first direction, a second edge area extending along a second direction and four third edge areas positioned at the junction of the first edge area and the second edge area, wherein the first direction and the second direction are orthogonal; A plurality of first electrode sets having a plurality of first bonding regions; a plurality of second electrode sets having a plurality of second bonding regions; the first electrode groups are arranged in the first display area and the second display area, the second electrode groups are arranged in the parts, where the second electrode groups are not arranged, of the first edge area, the second edge area and the third edge area, and the number of the second bonding areas of any one of the second electrode groups is greater than that of the first bonding areas of any one of the first electrode groups.
2. The display panel of claim 1, wherein the second electrode group has a size greater than a size of the first electrode group in at least one of the first direction and the second direction.
3. The display panel of claim 2, wherein when the plurality of second electrode groups are disposed in the first edge region and the plurality of first electrode groups are disposed at least in the first display region, the second bonding regions of any one of the second electrode groups are arranged at intervals along the second direction.
4. The display panel according to claim 3, wherein, The plurality of first electrode groups are arranged in an array and have the same size, and the plurality of second electrode groups are arranged in an array; Each first electrode group comprises a first cathode and a first anode which are oppositely arranged, and the first bonding region extends from the first cathode to the first anode; The second electrode groups have a first type structure, each second electrode group with the first type structure comprises a second cathode and a second anode which are oppositely arranged, and the second bonding region extends from the second cathode to the second anode; The plurality of second electrode groups having the first type of structure may have a uniform size, or the plurality of second electrode groups having the first type of structure may have a size gradually increasing from the first display region toward the second display region.
5. The display panel according to any one of claims 2 to 4, wherein when the plurality of second electrode groups are disposed at the second edge region and the plurality of first electrode groups are disposed at least at the first display region, the second bonding regions of any one of the second electrode groups are arranged at intervals along the first direction.
6. The display panel of claim 5, wherein the display panel comprises, The plurality of first electrode groups are arranged in an array and have the same size, and the plurality of second electrode groups are arranged in an array; each first electrode group comprises a first cathode and a first anode which are oppositely arranged; The second electrode groups are provided with second-type structures, each second electrode group with the second-type structures comprises a second cathode and a second anode which are in tooth shapes, each second cathode and each second anode comprises a plurality of tooth shapes which are arranged at intervals, a connecting part which is connected with the same end of each tooth shape and an opening which is positioned among the plurality of tooth shapes, the second cathode of each second-type structure and the opening of each second anode are oppositely arranged, the tooth shapes of the second cathode are contained in the opening of each second anode, and the tooth shapes of the second anode are contained in the opening of each second cathode, so that the tooth shapes of the second cathode and the tooth shapes of the second anode are alternately arranged; the second bonding region extends from the tooth of the second cathode to the tooth of an adjacent second anode; the number of the teeth of the plurality of second electrode groups with the second type structure is equal, or the number of the teeth of the plurality of second electrode groups with the second type structure is gradually increased from the first display area to the direction teeth of the second display area.
7. The display panel of claim 6, wherein when the plurality of second electrode sets are disposed in the third edge region and the plurality of first electrode sets are disposed at least in the first display region, the second bonding regions of any one of the second electrode sets are arranged in an array.
8. The display panel of claim 7, wherein the display panel comprises, The second electrode groups are of a third type structure, each second electrode group with the third type structure comprises a second cathode and a second anode which are comb-tooth-shaped, each tooth part of the second cathode and the second anode comprises a plurality of tooth parts which are arranged at intervals, a connecting part which is connected with the same end of the plurality of tooth parts and an opening which is positioned among the plurality of tooth parts, the opening of the second cathode and the opening of the second anode of each third type structure are oppositely arranged, and the tooth parts of the second cathode are accommodated in the opening of the second anode and the tooth parts of the second anode are accommodated in the opening of the second cathode; The size of the teeth of the second electrode group having the third type of structure in the second direction is larger than the size of the teeth of the second electrode group having the second type of structure in the second direction; For the second electrode group with the third type structure, the second bonding regions extend from the teeth of the second cathode to the teeth of the adjacent second anode, and the second bonding regions of one second electrode group are arranged at intervals along the first direction and are staggered in the second direction.
9. The display panel of claim 8, wherein the display panel comprises, The teeth of the second electrode groups with the third type structure are equal in size and number, or The teeth of the second electrode groups having the third type of structure are equal in size, and the number of teeth of the second electrode groups having the third type of structure gradually increases from the first display area to the second display area, or The number of the teeth of the plurality of second electrode groups with the third type structure is equal, the size of the teeth of the plurality of second electrode groups with the third type structure gradually increases from the first display area to the second display area, or The size and the number of the teeth of the plurality of second electrode groups with the third type of structure are gradually increased from the first display area to the direction teeth of the second display area.
10. A display device comprising a plurality of display panels as claimed in any one of claims 1 to 9, wherein one of the bonding regions of each electrode group of the display panel is bonded with one LED device.

Description

Display panel and display device Technical Field The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device. Background Large and ultra-large displays are typically tiled from multiple small displays. In the splicing process, the splicing seam is easy to occur due to the mechanism precision and tolerance and the limitation of the display screen, and the splicing seam is larger. In the existing display screen, the distances between Light-Emitting Diode (LED) devices are equal, but the existence of the splice seam can lead to the increase of the distances between the LED devices at two sides of the splice seam, so that the distances between the LED devices at two sides of the splice seam are inconsistent with the distances between other LED devices in the display screen, and the display effect is affected. Disclosure of Invention The invention provides a display panel and a display device, which can improve visual influence caused by a splicing seam and improve the display effect of the display device. According to a first aspect of the present invention, there is provided a display panel comprising: A first display area; The second display area surrounds the first display area and comprises a first edge area extending along a first direction, a second edge area extending along a second direction and at least one third edge area positioned at the junction of the first edge area and the second edge area, and the first direction and the second direction are orthogonal; A plurality of first electrode sets, each of the plurality of first electrode sets having a plurality of first bonding regions; a plurality of second electrode sets having a plurality of second bonding regions; The first electrode groups are arranged in the first display area and the part of the second display area, where the second electrode groups are not arranged, and the number of the second bonding areas of any one second electrode group is greater than that of the first bonding areas of any one first electrode group. A first display area and a second display area In the display panel as above, optionally, the second electrode group has a size larger than that of the first electrode group in at least one of the first direction and the second direction. In the display panel, optionally, when the plurality of second electrode groups are disposed in the first edge region and the plurality of first electrode groups are disposed at least in the first display region, the second bonding regions of any one of the second electrode groups are arranged at intervals along the second direction. In the display panel, optionally, the plurality of first electrode groups are arranged in an array and have identical sizes, and the plurality of second electrode groups are arranged in an array; each first electrode group comprises a first cathode and a first anode which are oppositely arranged, and a first bonding area extends from the first cathode to the first anode; the second electrode group comprises first type structures, each first type structure comprises a second cathode and a second anode which are oppositely arranged, and a second bonding area extends from the second cathode to the second anode; The plurality of first type structures have a uniform size, or the plurality of first type structures have a size that gradually increases from the first display area toward the second display area. A first display area and a second display area In the display panel, optionally, when the plurality of second electrode groups are disposed in the second edge region and the plurality of first electrode groups are disposed at least in the first display region, the second bonding regions of any one of the second electrode groups are arranged at intervals along the first direction. In the display panel, optionally, the plurality of first electrode groups are arranged in an array and have identical sizes, and the plurality of second electrode groups are arranged in an array; each first electrode group comprises a first cathode and a first anode which are oppositely arranged; The second electrode group comprises second type structures, each second type structure comprises a tooth-shaped second cathode and a tooth-shaped second anode, each second cathode and each second anode of the second type structures comprises a plurality of teeth, a connecting part for connecting the same ends of the teeth and an opening positioned among the teeth, the openings of the second cathode and the second anode of each second type structure are oppositely arranged, and the teeth of the second cathode are accommodated in the openings of the second anode and the teeth of the second anode are accommodated in the openings of the second cathode; The second bonding region extends from the tooth of the second cathode to the tooth of the second anode; the number of the teeth of the second type of structure is equal, or the numb