Electronic device

Patent metadata

Field	Value
Publication number	US-2023168760-A1
Application number	US-202217978209-A
Country	US
Kind code	A1
Filing date	Nov 1, 2022
Priority date	Nov 30, 2021
Publication date	Jun 1, 2023
Grant date	—

Abstract

The present disclosure provides an electronic device including a first sensing circuit, a second sensing circuit and a power line. The first sensing circuit includes a first sensing unit and a first transistor, and a first end of the first sensing unit is coupled to a control end of the first transistor. The second sensing circuit includes a second sensing unit and a second transistor, and a first end of the second sensing unit is coupled to a control end of the second transistor. A first end of the first transistor and a first end of the second transistor are coupled to the power line.

First claim

What is claimed is:

1 . An electronic device, comprising:
a first sensing circuit, comprising:
a first sensing unit; and
a first transistor, wherein a first end of the first sensing unit is coupled to a control end of the first transistor;
a second sensing circuit, comprising:
a second sensing unit; and
a second transistor, wherein a first end of the second sensing unit is coupled to a control end of the second transistor; and
a power line, wherein a first end of the first transistor and a first end of the second transistor are coupled to the power line.

2 . The electronic device according to claim 1 , further comprising a pixel circuit comprising a signal line, wherein the first sensing circuit further comprises a third transistor, a second end of the first transistor is coupled to a first end of the third transistor, and a second end of the third transistor is coupled to the signal line.

3 . The electronic device according to claim 2 , wherein the signal line is a data line.

4 . The electronic device according to claim 2 , wherein the pixel circuit further comprises a fourth transistor, and a first end of the fourth transistor is coupled to the signal line.

5 . The electronic device according to claim 1 , further comprising a touch circuit comprising a touch signal line coupled to a second end of the first sensing unit.

6 . The electronic device according to claim 1 , further comprising a readout line, wherein the first sensing circuit further comprises a third transistor, a second end of the first transistor is coupled to a first end of the third transistor, and a second end of the third transistor is coupled to the readout line.

7 . The electronic device according to claim 1 , wherein the power line is disposed between the first sensing circuit and the second sensing circuit.

8 . The electronic device according to claim 1 , wherein the first sensing circuit further comprises a signal line coupled to a second end of the first sensing unit, and the signal line and the power line extend along a same direction.

9 . The electronic device according to claim 1 , further comprising another power line, wherein the first sensing circuit further comprises a fifth transistor, a first end of the fifth transistor is coupled to the control end of the first transistor, and a second end of the fifth transistor is coupled to the another power line.

10 . An electronic device, comprising:
a pixel circuit comprising a first transistor and a signal line, wherein the signal line is coupled to a first end of the first transistor; and a sensing circuit comprising a sensing unit, a second transistor and a third transistor, wherein a first end of the sensing unit is coupled to a control end of the second transistor, a second end of the second transistor is coupled to a first end of the third transistor, and a second end of the third transistor is coupled to the signal line.

11 . The electronic device according to claim 10 , wherein the signal line is a data line.

12 . An electronic device, comprising:
a sensing circuit, comprising:
a sensing unit; and
a first transistor, wherein a first end of the sensing unit is coupled to a control end of the first transistor; and
a touch circuit comprising a touch signal line, wherein the touch signal line is coupled to a second end of the sensing unit.

13 . The electronic device according to claim 12 , further comprising a pixel circuit comprising a signal line, wherein the sensing circuit further comprises a second transistor, a second end of the first transistor is coupled to a first end of the second transistor, and a second end of the second transistor is coupled to the signal line.

14 . The electronic device according to claim 13 , wherein the signal line is a data line.

15 . The electronic device according to claim 13 , wherein the signal line and the touch signal line extend along a same direction.

16 . The electronic device according to claim 12 , further comprising a readout line, wherein the sensing circuit further comprises a second transistor, a second end of the first transistor is coupled to a first end of the second transistor, and a second end of the second transistor is coupled to the readout line.

17 . The electronic device according to claim 16 , further comprising a pixel circuit comprising a third transistor and a signal line, wherein a first end of the third transistor is coupled to the signal line.

18 . The electronic device according to claim 12 , further comprising a power line, wherein a second end of the first transistor is coupled to the power line.

19 . The electronic device according to claim 12 , further comprising another power line, wherein the sensing circuit further comprises a fourth transistor, a first end of the fourth transistor is coupled to the control end of the first transistor, and a second end of the fourth transistor is coupled to the another power line.

20 . The electronic device according to claim 18 , further comprising a signal line coupled to a control end of the fourth transistor, wherein the signal line crosses the touch signal line.

Assignees

• Innolux Corp

Inventors

• Li Shu-Fen
• Chien Chuan-Chi
• Liao Hsiao-Feng
• Yu Rui-An
• CHENG Chang-Chiang
• Chen Po-Yang
• Yao I-An

Classifications

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• G02F1/13338

  Input devices, e.g. touch panels · CPC title

• G06F3/0416 Primary

  Control or interface arrangements specially adapted for digitisers · CPC title

• H01L27/124

  Electricity · mapped topic