Display panel and display device

Patent metadata

Field	Value
Publication number	US-2021408206-A1
Application number	US-201916960190-A
Country	US
Kind code	A1
Filing date	Jul 31, 2019
Priority date	Jul 31, 2019
Publication date	Dec 30, 2021
Grant date	—

Abstract

Provided are a display panel including: a first component, a second component, and a bending component connecting the first component and the second component; wherein, the first component has a display surface, and the bending component has a via passing through the bending component in a direction perpendicular to the display surface. A display device is also provided.

First claim

What is claimed is:

1 . A display panel, comprising:
a first component, a second component, and a bending component connecting the first component and the second component; wherein the first component has a display surface, and the bending component has a via passing through the bending component in a direction substantially perpendicular to the display surface.

2 . The display panel of claim 1 , wherein the bending component comprises a first bending subcomponent connected to the first component and a second bending subcomponent connected to the second component; and
the via comprises a first hole in the first bending subcomponent and a second hole in the second bending subcomponent, and an orthographic projection of the first hole onto a plane of the display surface and an orthographic projection of the second hole onto the plane of the display surface at least partially coincide or completely coincide.

3 . (canceled)

4 . The display panel of claim 2 , wherein the first hole communicates with the second hole.

5 . The display panel of claim 1 , wherein a number of the via is at least 1, and each via passes through the bending component in a thickness direction of the bending component.

6 . (canceled)

7 . The display panel of claim 1 , wherein the via extends into the first component and the second component.

8 . The display panel of claim 7 , wherein the first component has a fan-out area, an edge area, and a display area sequentially arranged in a direction away from the bending component, and the via extends to the fan-out area.

9 . (canceled)

10 . The display panel of claim 5 , wherein the via is located at the center of the bending component in a first direction parallel to a bending axis of the bending component.

11 . (canceled)

12 . The display panel of claim 10 or 11 , wherein the bending component has a bending portion symmetrically arranged on both sides of the via in the first direction, and the bending portion is provided with signal lines extending to the second component and connected to signal leads in the fan-out area of the first component.

13 . The display panel of claim 12 , wherein the signal lines in the bending portion comprises a first power signal line, a first data signal line, a second power signal line and a second data signal line that are arranged insulatedly and sequentially in a direction away from the via.

14 . (canceled)

15 . The display panel of claim 12 , further comprising a control chip, wherein the signal lines in the second component are connected to the control chip through a chip-on-film film.

16 . The display panel of claim 1 , wherein the display area of the first component comprises a flexible base substrate, and an active layer, a first insulation layer, a first gate layer, a second insulation layer, a second gate layer, an interlayer dielectric layer, a first source-drain layer, a passivation layer, a first planarizing layer, a second source-drain layer, a second planarizing layer, a metal conductive layer, a pixel-defining layer, a light-emitting device and a packaging layer sequentially arranged in a direction away from the flexible base substrate.

17 . The display panel of claim 16 , wherein
a region of the first component on a side of the via distal from the second component comprises the flexible base substrate, and the interlayer dielectric layer, the first source-drain layer, the passivation layer, and the packaging layer sequentially arranged in a direction away from the flexible base substrate; a region, where the first power signal line is located, in the bending portion of the bending component comprises the flexible base substrate, and a flexible material layer, the first source-drain layer, the first planarizing layer, the second source-drain layer, the second planarizing layer, and the pixel-defining layer sequentially arranged in a direction away from the flexible base substrate; a region of the second component on a side of the via distal from the first component comprises the flexible base substrate, and the interlayer dielectric layer, the passivation layer, the first planarizing layer, the second planarizing layer, and the pixel-defining layer sequentially arranged in a direction away from the flexible base substrate.

18 . The display panel of claim 17 , wherein a number of the via is 1, and the via passes through the bending component in a thickness direction of the bending component;
the via extends into the first component, and the via extends into the second component; the via is located at the center of the bending component in a first direction parallel to the bending axis of the bending component.

19 . A display device, comprising the display panel of claim 1 .

20 . The display device of claim 19 , further comprising: a support structure, a cover plate located on a side of the first component distal from the second component, and a bottom plate located on a side of the second component distal from the first component;
wherein a first end of the support structure is connected to the cover plate, a second end of the support structure is connected to the bottom plate, wherein an orthographic projection of the support structure onto the cover plate and an orthographic projection of the via onto the cover plate has an overlapping area; or the orthographic projection of the support structure onto the cover plate is within the orthographic projection of the via onto the cover plate; or the support structure is located on a side of the bending component distal from the first component and the second component.

21 . (canceled)

22 . The display device of claim 20 , wherein a preparation material of the support structure comprises one of plastic and metal materials, and/or, the preparation material of the cover plate comprises one of an organic resin material and an inorganic flexible material.

23 . (canceled)

24 . The display device of claim 19 , further comprising at least one selected from the group consisting of:
a touch layer and a polarizer located on a side of the first component distal from the second component and stacked in a direction away from the first component a heat dissipation film on a side of the first component proximal to the second component; or a support assembly between the heat dissipation film and the second component, a first end of the support assembly is connected to the heat dissipation film, and a second end of the support assembly is connected to the second component.

25 . (canceled)

26 . (canceled)

27 . A display device, comprising:
a display panel including a first component, a second component, and a bending component connecting the first component and the second component; a cover plate located on a side of the first component distal from the second component; a bottom plate located on a side of the second component distal from the first component; and a support structure located on a side of the bending component distal from the first component and the second component, wherein a first end of the support structure is connected to the cover plate, and a second end of the support structure is connected to the bottom plate.

28 . The display device of claim 27 , wherein a surface of the first component distal from the second component is a display surface, the support structure comprises a plurali

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Zeng Chao
• Huang Weiyun
• Long Yue
• Huang Yao
• Li Meng

Classifications

• H10K59/8794

  Arrangements for heating and cooling · CPC title

• H10K59/8793

  Arrangements for polarized light emission (H10K59/8791 takes precedence) · CPC title

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title

• H10K77/111 Primary

  Flexible substrates · CPC title

• Y02E10/549

  Organic PV cells · CPC title