IP Library › Granted Patent US 11,762,519
Granted Patent B2
US 11,762,519 · App. 17/630,347 · Granted Sep 19, 2023

Flexible touch substrate, flexible touch panel, and flexible touch apparatus

Inventors: Zewen Bo (Beijing, CN); Tawei Kuo (Beijing, CN); Baofeng Sun (Beijing, CN)
Assignee: BOE Technology Group Co., Ltd.
G06F3/0446G06F2203/04102G06F2203/04107G06F2203/04111G06F2203/04112
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,762,519
App. No.
17/630,347
Granted
Sep 19, 2023
Kind
B2
Abstract

Provided are a flexible touch substrate, a flexible touch panel, and a flexible touch apparatus. The flexible touch substrate includes: a flexible base, a plurality of light-emitting devices, a touch electrode layer, and a shielding layer. The light-emitting devices are located on the flexible base; the touch electrode layer is located on the side of the light-emitting devices distant from the flexible base; the shielding layer is located between the light-emitting devices and the touch electrode layer; the shielding layer is insulated from the light-emitting devices and the touch electrode layer, the shielding layer comprises a plurality of openings; and light emitted by the light-emitting device can pass through the openings.

Claims (62)

1. A flexible touch substrate, comprising:

a flexible base substrate;

a plurality of light-emitting devices, on the flexible base substrate;

a touch electrode layer, disposed on a side of the plurality of light-emitting devices facing away from the flexible base substrate, and being provided with a pattern; and

a shielding layer, between the touch electrode layer and the plurality of light-emitting devices;

wherein the shielding layer is insulated from the plurality of light-emitting devices and the touch electrode layer and comprises a transparent conductive material or a metal material; and

the shielding layer is provided with a pattern with a plurality of openings to allow light beams emitted by the plurality of light-emitting devices to pass through the openings.

2. The flexible touch substrate according to claim 1 , wherein the shielding layer is floating.

3. The flexible touch substrate according to claim 1 , further comprising:

a thin film encapsulation layer covering the plurality of light-emitting devices, wherein

the shielding layer is disposed on a side of the thin film encapsulation layer facing away from the flexible base substrate.

4. The flexible touch substrate according to claim 3 , further comprising:

a plurality of bridging structures between the touch electrode layer and the thin film encapsulation layer, and

a first insulating layer between the touch electrode layer and the bridging structures, wherein

the touch electrode layer comprises: a plurality of touch electrodes, and a part of the touch electrodes in the touch electrode layer are coupled with each other through the plurality of bridging structures;

the first insulating layer comprises: a plurality of via holes running through a thickness direction of the first insulating layer; and

the plurality of bridging structures are coupled with the touch electrodes through the via holes.

5. The flexible touch substrate according to claim 4 , wherein the shielding layer and the bridging structures are disposed in a same layer and are made of a same material.

6. The flexible touch substrate according to claim 5 , wherein

the first insulating layer comprises an organic material; and

a thickness of the first insulating layer is within a range of 0.5 μm-3 μm.

7. The flexible touch substrate according to claim 4 , wherein

the shielding layer is disposed between the thin film encapsulation layer and the bridging structures; and

the flexible touch substrate further comprises:

a second insulating layer between the shielding layer and the bridging structures.

8. The flexible touch substrate according to claim 3 , further comprising:

a buffer layer disposed on a side of the thin film encapsulation layer facing away from the flexible base substrate.

9. The flexible touch substrate according to claim 1 , wherein the touch electrode layer is of a grid structure, and meshes of the grid structure allow the light beams emitted by the plurality of light-emitting devices to pass through; and

an orthographic projection of the pattern of the touch electrode layer on the flexible base substrate and an orthographic projection of the pattern of the shielding layer on the flexible base substrate do not overlap each other.

10. The flexible touch substrate according to claim 9 , wherein the shielding layer is of a mesh structure; and

the mesh structure has a plurality of disconnected positions, and the disconnected positions are positions where orthographic projections of grid lines of the grid structure in the touch electrode layer on the shielding layer pass through.

11. The flexible touch substrate according to claim 9 , wherein the shielding layer comprises:

a plurality of metal rings arranged at intervals; and

the plurality of metal rings are located respectively in orthographic projections of meshes of the grid structure in the touch electrode layer on the shielding layer.

12. The flexible touch substrate according to claim 1 , wherein an orthographic projection of the pattern of the shielding layer on the flexible base substrate is located in a gap between two adjacent light-emitting devices of the plurality of light-emitting devices.

13. The flexible touch substrate according to claim 1 , further comprising:

a protection layer disposed on a side of the touch electrode layer facing away from the flexible base substrate.

14. A flexible touch panel, comprising:

a flexible touch substrate;

a polarizer, disposed on a side of a touch electrode layer of the flexible touch substrate facing away from a flexible base substrate; and

a transparent cover plate, disposed on a side of the polarizer away from the flexible touch substrate;

wherein the flexible touch substrate comprises:

the flexible base substrate;

a plurality of light-emitting devices, on the flexible base substrate;

the touch electrode layer, disposed on a side of the plurality of light-emitting devices facing away from the flexible base substrate, and being provided with a pattern; and

a shielding layer, between the touch electrode layer and the plurality of light-emitting devices;

wherein the shielding layer is insulated from the plurality of light-emitting devices and the touch electrode layer and comprises a transparent conductive material or a metal material; and

the shielding layer is provided with a pattern with a plurality of openings to allow light beams emitted by the plurality of light-emitting devices to pass through the openings.

15. The flexible touch panel according to claim 14 , wherein the shielding layer is floating.

16. The flexible touch panel according to claim 15 , further comprising:

a thin film encapsulation layer covering the plurality of light-emitting devices, wherein

the shielding layer is disposed on a side of the thin film encapsulation layer facing away from the flexible base substrate.

17. The flexible touch panel according to claim 14 , wherein an orthographic projection of the pattern of the shielding layer on the flexible base substrate is located in a gap between two adjacent light-emitting devices of the plurality of light-emitting devices.

18. A flexible touch apparatus, comprising the flexible touch panel according to claim 14 .

19. A flexible touch apparatus, comprising a flexible touch substrate,

wherein the flexible touch substrate comprises:

a flexible base substrate;

a plurality of light-emitting devices, on the flexible base substrate;

a touch electrode layer, disposed on a side of the plurality of light-emitting devices facing away from the flexible base substrate, and being provided with a pattern; and

a shielding layer, between the touch electrode layer and the plurality of light-emitting devices;

wherein the shielding layer is insulated from the plurality of light-emitting devices and the touch electrode layer and comprises a transparent conductive material or a metal material; and

the shielding layer is provided with a pattern with a plurality of openings to allow light beams emitted by the plurality of light-emitting devices to pass through the openings.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2022
From: BO, ZEWEN; KUO, TAWEI; SUN, BAOFENG
To: BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 058860/0128 →
Priority Claims (1)
CN 202010334027.X · Apr 24, 2020 · national
Continuity (1)
Related Publication 20220276744A1 · Sep 1, 2022
Cited By (1)
US 12,455,665