Granted Patent B2

US 12,596,451 · App. 18/136,349 · Granted Apr 7, 2026

Inventors: Ki Ho Bang (Yongin-si, KR); Won Suk Choi (Yongin-si, KR)

Assignee: Samsung Display Co., Ltd.

G06F3/04164G06F3/0412G06F3/0445G06F3/0446G06F2203/04112

Abstract

Claims (77)

1 . A touch detection module comprising:

a plurality of driving electrodes arranged side by side in a touch sensing area;

a plurality of sensing electrodes alternately arranged with the plurality of driving electrodes;

a plurality of touch driving lines arranged in a touch peripheral area to supply touch driving signals to the plurality of driving electrodes;

a plurality of touch sensing lines arranged in the touch peripheral area to transmit touch sensing signals from the plurality of sensing electrodes; and

a touch driving circuit receiving the touch sensing signals to detect a touch position coordinate,

wherein at least one pair of lines among the plurality of touch driving lines and the plurality of touch sensing lines is formed to have a first interval or a second interval according to a preset size of a foreign material,

wherein the plurality of touch driving lines is formed through a same patterning process and with a same metal material as the plurality of driving electrodes and the plurality of sensing electrodes,

wherein the plurality of touch sensing lines is formed through a same patterning process and with a same metal material as a plurality of connection electrodes which electrically connects driving electrodes adjacent to each other among the plurality of driving electrodes, and

wherein the plurality of touch driving lines connected to the plurality of driving electrodes are disposed on a different layer than the plurality of touch sensing lines connected to the plurality of sensing electrodes.

2 . The touch detection module of claim 1 , wherein the plurality of connection electrodes is formed in the touch sensing area of a layer different from the plurality of driving electrodes and the plurality of sensing electrodes.

3 . The touch detection module of claim 2 ,

wherein the plurality of touch sensing lines is arranged in the touch peripheral area, and

wherein the first interval between the plurality of touch sensing lines is formed to be wider than a width of each of the plurality of touch sensing lines.

4 . The touch detection module of claim 2 ,

wherein the plurality of touch driving lines is formed and arranged in the touch peripheral area so that the second interval is maintained, and

wherein the second interval between the plurality of touch driving lines is formed to be wider than a width of each of the plurality of touch driving lines.

5 . The touch detection module of claim 2 ,

wherein the plurality of touch sensing lines is formed and aligned side by side in one side of the touch peripheral area along a bottom surface and one side surface of the touch sensing area, and

wherein the plurality of touch driving lines is formed and aligned side by side in a same side of the touch peripheral area as the plurality of touch sensing lines and does not overlap the plurality of touch sensing lines.

6 . The touch detection module of claim 2 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area and aligned side by side in one side of the touch peripheral area, and

wherein the plurality of touch driving lines is aligned in a same side of the touch peripheral area as the plurality of touch sensing lines and overlaps odd-numbered or even-numbered touch sensing lines among the plurality of touch sensing lines, respectively.

7 . The touch detection module of claim 6 ,

wherein the plurality of touch sensing lines is disposed to maintain the first interval, and

wherein the first interval between the plurality of touch sensing lines is formed to be wider than a width of each of the plurality of touch sensing lines.

8 . The touch detection module of claim 7 ,

wherein the second interval between the plurality of touch driving lines overlapping each of the odd-numbered or even-numbered touch sensing lines is formed to be wider than a width of the plurality of touch driving lines and the first interval.

9 . The touch detection module of claim 2 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area, and

wherein the plurality of touch driving lines is formed on a second touch insulating layer of the touch peripheral area through the same patterning process as that of the plurality of driving electrodes not to overlap each of the plurality of touch sensing electrodes.

10 . The touch detection module of claim 9 ,

wherein the plurality of touch driving lines is disposed to maintain the second interval, and

wherein a width of each of the plurality of touch driving lines is formed to be wider than the second interval between the plurality of touch driving lines.

11 . The touch detection module of claim 9 ,

wherein the plurality of touch driving lines is disposed to maintain the second interval, and

wherein the second interval between the plurality of touch driving lines is formed to be wider than a width of each of the plurality of touch driving lines.

12 . The touch detection module of claim 2 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area, and

wherein the plurality of touch driving lines is formed on a second touch insulating layer of the touch peripheral area to overlap each of the plurality of touch sensing lines through the same patterning process as that of the plurality of driving electrodes.

13 . The touch detection module of claim 12 ,

wherein the plurality of touch driving lines is disposed to maintain the second interval, and

wherein a width of each of the plurality of touch driving lines is formed to be wider than the second interval between the plurality of touch driving lines.

14 . The touch detection module of claim 12 ,

wherein the plurality of touch driving lines is disposed to maintain the second interval, and

wherein the second interval between the plurality of touch driving lines is formed to be wider than a width of each of the plurality of touch driving lines.

15 . A display device comprising:

a display panel including a display area in which a plurality of pixels is disposed; and

a touch detection module disposed on a front surface of the display panel to sense a user's touch,

wherein the touch detection module includes a plurality of driving electrodes aligned side by side in a touch sensing area, a plurality of sensing electrodes alternately aligned with the plurality of driving electrodes, a plurality of touch driving lines aligned in a touch peripheral area to supply touch driving signals to the plurality of driving electrodes, a plurality of touch sensing lines aligned in the touch peripheral area to transmit touch sensing signals from the plurality of sensing electrodes, and a touch driving circuit receiving the touch sensing signals to detect a touch position coordinate,

wherein at least one pair of lines among the plurality of touch driving lines and the plurality of touch sensing lines is formed to have a first interval or a second interval according to a preset size of a foreign material,

wherein the plurality of touch driving lines is formed through a same patterning process and with a same metal material as the plurality of driving electrodes and the plurality of sensing electrodes,

wherein the plurality of touch sensing lines is formed through a same patterning process and with a same metal material as a plurality of connection electrodes which electrically connects driving electrodes adjacent to each other among the plurality of driving electrodes, and

wherein the plurality of touch driving lines connected to the plurality of driving electrodes are disposed on a different layer than the plurality of touch sensing lines connected to the plurality of sensing electrodes.

16 . The display device of claim 15 ,

wherein the plurality of connection electrodes is formed in the touch sensing area of a layer different from the plurality of driving electrodes and the plurality of sensing electrodes.

17 . The display device of claim 16 ,

wherein the plurality of touch sensing lines is formed and aligned side by side in one side of the touch peripheral area along a bottom surface and one side surface of the touch sensing area, and

wherein the plurality of touch driving lines is formed and aligned in parallel to the plurality of the touch sensing lines and does not overlap the plurality of touch sensing lines.

18 . The display device of claim 17 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area, and

wherein the plurality of touch driving lines is formed on a second touch insulating layer of the touch peripheral area through the same patterning process as the plurality of driving electrodes so that each of the plurality of touch driving lines does not overlap the plurality of touch sensing lines and is disposed side by side.

19 . The display device of claim 16 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area, and

wherein each of the plurality of touch driving lines is formed to respectively overlap the plurality of touch sensing lines on a second touch insulating layer of the touch peripheral area through the same patterning process as the plurality of driving electrodes.

20 . The display device of claim 16 ,

wherein the plurality of touch sensing lines is formed on a first touch insulating layer of the touch peripheral area, and

wherein the plurality of touch driving lines is aligned in a same side of the touch peripheral area as the plurality of touch sensing lines and overlaps odd-numbered or even-numbered touch sensing lines among the plurality of touch sensing lines.

21 . An electronic device including a display device,

wherein the display device comprises:

a display panel including a display area in which a plurality of pixels is disposed; and

a touch detection module disposed on a front surface of the display panel to sense a user's touch,

wherein the touch detection module includes a plurality of driving electrodes aligned side by side in a touch sensing area, a plurality of sensing electrodes alternately aligned with the plurality of driving electrodes, a plurality of touch driving lines aligned in a touch peripheral area to supply touch driving signals to the plurality of driving electrodes, a plurality of touch sensing lines aligned in the touch peripheral area to transmit touch sensing signals from the plurality of sensing electrodes, and a touch driving circuit receiving the touch sensing signals to detect a touch position coordinate,

wherein at least one pair of lines among the plurality of touch driving lines and the plurality of touch sensing lines is formed to have a first interval or a second interval according to a preset size of a foreign material,

wherein the plurality of touch driving lines is formed through a same patterning process and with a same material as the plurality of driving electrodes and the plurality of sensing electrodes,

wherein the plurality of touch sensing lines is formed through a same patterning process and with a same metal material as a plurality of connection electrodes which electrically connects driving electrodes adjacent to each other among the plurality of driving electrodes, and

wherein the plurality of touch driving lines connected to the plurality of driving electrodes are disposed on a different layer than the plurality of touch sensing lines connected to the plurality of sensing electrodes.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (14)