CN-224218778-U - Display panel and display device

Abstract

The utility model provides a display panel and display device relates to and shows technical field, can realize display panel's narrow frame design. The display panel comprises a display area, a peripheral area surrounding the display area, the display panel comprises a substrate, a blocking dam, a first metal layer, a first electrode layer and a packaging structure, the blocking dam is arranged on the substrate, the blocking dam is located in the peripheral area and surrounds the display area, the first metal layer is arranged on the substrate and comprises a first power signal wire located in the peripheral area, the first electrode layer is arranged on one side, far away from the substrate, of the first metal layer, the first electrode layer extends to the peripheral area and is electrically connected with the first power signal wire, the boundary of the first electrode layer is located on one side, close to the display area, of the blocking dam, the packaging structure is arranged on one side, far away from the substrate, of the first electrode layer, the packaging structure comprises a first inorganic layer, a first organic layer and a second inorganic layer, and the boundary of the first inorganic layer is flush or approximately flush with the boundary of the first electrode layer, and the first inorganic layer is arranged in a stacked mode along the direction far away from the substrate.

Inventors

• XU QIAN
• WU JIANPENG
• SONG JIANG

Assignees

• 京东方科技集团股份有限公司
• 成都京东方光电科技有限公司

Dates

Publication Date

20260508

Application Date

20250403

Claims (18)

1. 1. A display panel comprising a display area and a peripheral area surrounding the display area; The display panel includes: A substrate; A barrier dam disposed on the substrate, the barrier dam being located in the peripheral region and surrounding the display region; The first metal layer is arranged on the substrate and comprises a first power signal line positioned in the peripheral area; The first electrode layer is arranged on one side, far away from the substrate, of the first metal layer, extends to the peripheral area and is electrically connected with the first power signal line, and the boundary of the first electrode layer is positioned on one side, close to the display area, of the barrier dam; The packaging structure is arranged on one side, far away from the substrate, of the first electrode layer, and comprises a first inorganic layer, a first organic layer and a second inorganic layer, wherein the first inorganic layer, the first organic layer and the second inorganic layer are arranged in a stacked mode along the direction far away from the substrate, and the boundary of the first inorganic layer is flush or approximately flush with the boundary of the first electrode layer.
2. 2. The display panel according to claim 1, wherein the second inorganic layer is in contact with an upper surface of the barrier dam, and a boundary of the second inorganic layer is located at a side of the barrier dam away from the display area.
3. 3. The display panel of claim 2, wherein a boundary of the first organic layer is flush or substantially flush with a boundary of the first electrode layer.
4. 4. The display panel according to claim 1, further comprising a third inorganic layer disposed between the first inorganic layer and the first organic layer, the third inorganic layer being in contact with an upper surface of the barrier dam, and a boundary of the third inorganic layer being located at a side of the barrier dam away from the display region.
5. 5. The display panel according to claim 4, further comprising a second organic layer disposed between the first inorganic layer and the third inorganic layer, wherein a boundary of the second organic layer is flush or substantially flush with a boundary of the first electrode layer.
6. 6. The display panel according to any one of claims 1 to 5, further comprising a partition structure disposed on a side of the barrier dam near the display area, wherein the first electrode layer is disconnected at the partition structure.
7. 7. The display panel of claim 6, wherein the first power signal line includes a first portion, the first portion being located at a side of the barrier dam adjacent to the display area; The first part comprises a first side surface far away from one side of the display area, and the first side surface is provided with a first groove which forms the partition structure.
8. 8. The display panel of claim 7, wherein the first power signal line further comprises a second portion, the second portion being located on a side of the barrier dam adjacent to the substrate; the second part comprises a second side surface close to one side of the display area, and the second side surface is positioned on one side of the barrier dam close to the display area; the second side is provided with a second groove, which forms the partition structure.
9. 9. The display panel of claim 8, wherein the first power signal line further comprises at least one third portion, the at least one third portion being located between the first portion and the second portion; The third part comprises two third side surfaces which are arranged oppositely in the extending direction perpendicular to the first power signal line, at least one third side surface is provided with a third groove, and the third groove forms the partition structure.
10. 10. The display panel according to any one of claims 7 to 9, further comprising, The second electrode layer is arranged between the first metal layer and the first electrode layer, the second electrode layer comprises a transfer pattern positioned in the peripheral area, and the first electrode layer is electrically connected with the first power signal line through the transfer pattern; and the partition column is arranged on one side of the second electrode layer, which is far away from the substrate, and is positioned in the peripheral area, and the partition column forms the partition structure.
11. 11. The display panel according to claim 10, wherein the partition column includes two fourth sides oppositely disposed in an extending direction perpendicular to the first power signal line, at least one of the fourth sides being provided with a fourth groove for breaking the first electrode layer at the fourth groove.
12. 12. A display panel comprising a display area and a peripheral area surrounding the display area; The display panel includes: A substrate; A barrier dam disposed on the substrate, the barrier dam being located in the peripheral region and surrounding the display region; The first metal layer is arranged on the substrate and comprises a first power signal line positioned in the peripheral area; The first electrode layer is arranged on one side, far away from the substrate, of the first metal layer, and extends to the peripheral area to be electrically connected with the first power signal line; And the partition structure is arranged on one side of the blocking dam, which is close to the display area, and the first electrode layer is disconnected at the partition structure.
13. 13. The display panel of claim 12, wherein the first power signal line includes a first portion, the first portion being located at a side of the barrier dam adjacent to the display area; The first part comprises a first side surface far away from one side of the display area, and the first side surface is provided with a first groove which forms the partition structure.
14. 14. The display panel of claim 13, wherein the first power signal line further comprises a second portion, the second portion being located on a side of the barrier dam adjacent to the substrate; the second part comprises a second side surface close to one side of the display area, and the second side surface is positioned on one side of the barrier dam close to the display area; the second side is provided with a second groove, which forms the partition structure.
15. 15. The display panel of claim 14, wherein the first power signal line further comprises at least one third portion, the at least one third portion being located between the first portion and the second portion; The third part comprises two third side surfaces which are arranged oppositely in the extending direction perpendicular to the first power signal line, at least one third side surface is provided with a third groove, and the third groove forms the partition structure.
16. 16. The display panel according to any one of claims 12 to 15, further comprising: The second electrode layer is arranged between the first metal layer and the first electrode layer, the second electrode layer comprises a transfer pattern positioned in the peripheral area, and the first electrode layer is electrically connected with the first power signal line through the transfer pattern; and the partition column is arranged on one side of the second electrode layer, which is far away from the substrate, and is positioned in the peripheral area, and the partition column forms the partition structure.
17. 17. The display panel of any one of claims 12-15, wherein a portion of the first electrode layer is located on a side of the barrier dam away from the substrate.
18. 18. A display device, comprising: the display panel according to any one of claims 1 to 17; And the driving chip is connected with the display panel.

Description

Display panel and display device Technical Field The disclosure relates to the field of display technologies, and in particular, to a display panel and a display device. Background With the continuous development of the display industry, the requirements of users for the design of a narrow frame of a display product are higher and higher, so that the realization of the design of the narrow frame of the display product has become an important development point. Disclosure of utility model The technical problem solved by the embodiments of the present disclosure is how to implement a design of a narrow frame or an ultra-narrow frame of a display panel. In one aspect, a display panel is provided. The display panel comprises a display area, a peripheral area surrounding the display area, the display panel comprises a substrate, a blocking dam, a first metal layer, a first electrode layer and a packaging structure, the blocking dam is arranged on the substrate, the blocking dam is located in the peripheral area and surrounds the display area, the first metal layer is arranged on the substrate and comprises a first power signal wire located in the peripheral area, the first electrode layer is arranged on one side, far away from the substrate, of the first metal layer, the first electrode layer extends to the peripheral area and is electrically connected with the first power signal wire, the boundary of the first electrode layer is located on one side, close to the display area, of the blocking dam, the packaging structure is arranged on one side, far away from the substrate, of the first electrode layer, the packaging structure comprises a first inorganic layer, a first organic layer and a second inorganic layer, and the boundary of the first inorganic layer is flush or approximately flush with the boundary of the first electrode layer, and the first inorganic layer is arranged in a stacked mode along the direction far away from the substrate. In the display panel, the first inorganic film is used as a temporary packaging structure of the first electrode film, so that the first electrode film is prevented from being contacted with a developing solution for developing photoresist in the preparation process, meanwhile, the first inorganic layer of the packaging structure, which is etched away from the part on the barrier dam and the part on one side of the barrier dam, is used as a mask, the developing solution can be prevented from being used when the first electrode layer is formed, the developing solution can be prevented from diffusing to the side of the display area AA of the display panel along with the boundary of the formed first electrode layer, the overlapping of the first electrode layer and a first power supply signal line of a first metal layer is influenced, or the overlapping of a switching pattern of the first electrode layer and a second electrode layer is influenced, so that the overlapping of the first electrode layer and the first power supply signal line of the first metal layer is influenced, the first electrode film can be arranged in a whole layer by adopting an evaporation process, then the part on the barrier dam and the part on one side of the barrier dam, which is far away from the display area, the formed first electrode layer is enabled to be prevented from being diffused towards the side of the display area AA of the display area of the display panel along with the boundary of the formed first electrode layer, or the overlapping of the first electrode layer and the first power supply signal line of the first electrode layer and the second electrode layer are influenced, the overlapping of the first electrode layer and the first power supply signal line of the first electrode layer can be prevented from being completely arranged in a narrow layer, and the film is required to be prevented from being arranged in the front by the etching process, and far away from the boundary of the first electrode layer, and the side of the barrier layer is required to be accurately from the side the barrier layer is required to be prevented from being arranged on the side front side and can be realized far from the side front side and can be kept far away from the front side. In some embodiments, the second inorganic layer is in contact with an upper surface of the barrier dam, and a boundary of the second inorganic layer is located at a side of the barrier dam away from the display area. In some embodiments, the boundary of the first organic layer is flush or substantially flush with the boundary of the first electrode layer. In some embodiments, the display panel further includes a third inorganic layer disposed between the first inorganic layer and the first organic layer, the third inorganic layer being in contact with an upper surface of the barrier dam, and a boundary of the third inorganic layer being located at a side of the barrier dam away from the display area. In some embodiments, the displ