IP Library Granted Patent US 11,481,051
Granted Patent B2
US 11,481,051 · App. 16/917,924 · Granted Oct 25, 2022

Touch flexible printed circuit, display panel and display apparatus

Inventors: Baoting Hou (Beijing, CN); Chichang Liu (Beijing, CN); Bin Zhao (Beijing, CN); Guofeng Li (Beijing, CN)
Assignees: Ordos Yuansheng Optoelectronics Co., Ltd.; Beijing BOE Technology Development Co., Ltd.
G06F3/041H01L27/323G06F2203/04102
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Quick Facts
Patent No.
US 11,481,051
App. No.
16/917,924
Granted
Oct 25, 2022
Kind
B2
Abstract

Disclosed are a touch flexible printed circuit, a display panel and a display apparatus. The touch flexible printed circuit includes at least two unfoldable portions and at least one foldable portion, the foldable portion is located between and connected to adjacent unfoldable portions, and the foldable portion is configured to make the adjacent unfoldable portions at least partially overlap to form a fold portion, when the foldable portion is folded.

Claims (21)

1. A touch flexible printed circuit, comprising at least two unfoldable portions and at least one foldable portion, wherein

the foldable portion is located between and connected to adjacent unfoldable portions;

the foldable portion is configured to make the adjacent unfoldable portions at least partially overlap to form a fold portion when the foldable portion is folded;

a bending silkscreen printing line is provided between the unfoldable portion and the foldable portion, and is configured for folding the foldable portion to make the foldable portion abutted against the unfoldable portion to form the fold portion;

the bending silkscreen printing line penetrates the touch flexible printed circuit in a width direction of the touch flexible printed circuit,

a first bonding zone for bonding to a touch film is provided at one end of the touch flexible printed circuit,

a second bonding zone for bonding to a glass panel is provided at the other end of the touch flexible printed circuit,

the fold portion is located between the first bonding zone and the second bonding zone; and

a reserved amount for bending a protrusion of the touch flexible printed circuit is folded by the fold portion, a length of the touch flexible printed circuit is reduced.

2. The touch flexible printed circuit according to claim 1 , wherein the touch flexible printed circuit comprises one foldable portion, and a first unfoldable portion located on one side of the foldable portion, and a second unfoldable portion located on the other side of the foldable portion, a first bending silkscreen printing line is provided between the first unfoldable portion and the foldable portion, and a second bending silkscreen printing line is provided between the second unfoldable portion and the foldable portion.

3. The touch flexible printed circuit according to claim 1 , wherein the touch flexible printed circuit comprises two unfoldable portions and at least three foldable portions located between the two unfoldable portions, a third bending silkscreen printing line is provided between the foldable portion and the unfoldable portion, and the foldable portion is folded towards the unfoldable portion through the third bending silkscreen printing line.

4. The touch flexible printed circuit according to claim 3 , wherein a fourth bending silkscreen printing line is provided between adjacent foldable portions, and the adjacent foldable portions are folded towards each other through the fourth bending silkscreen printing line to form a fold portion with at least five layers.

5. The touch flexible printed circuit according to claim 1 , wherein the touch flexible printed circuit comprises no less than three unfoldable portions and no less than two foldable portions, and the foldable portion is located between adjacent unfoldable portions.

6. The touch flexible printed circuit according to claim 1 , wherein an adhesive layer is provided on the foldable portion, and the foldable portion is adhered to the unfoldable portion through the adhesive layer.

7. The touch flexible printed circuit according to claim 6 , wherein material of the adhesive layer is double-sided adhesive tape.

8. The touch flexible printed circuit according to claim 6 , wherein the adhesive layer is provided on both front and back sides of the foldable portion.

9. The touch flexible printed circuit according to claim 1 , wherein the fold portion has a “Z” shape.

10. The touch flexible printed circuit according to claim 1 , wherein a positioning hole is provided on the first bonding zone.

11. The touch flexible printed circuit according to claim 1 , wherein the touch flexible printed circuit has a “ ” shape.

12. A display panel, comprising the touch flexible printed circuit according to claim 1 .

13. A display apparatus, comprising the display panel according to claim 12 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 2, 2022
From: BOE TECHNOLOGY GROUP CO., LTD.
To: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Reel/Frame 060690/0881 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 2, 2020
From: HOU, BAOTING; LIU, CHICHANG; ZHAO, BIN; LI, GUOFENG
To: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 053105/0304 →
Priority Claims (1)
CN 201910775097.6 · Aug 21, 2019 · national
Continuity (1)
Related Publication 20210055811A1 · Feb 25, 2021