IP Library › Granted Patent US 11,460,966
Granted Patent B2
US 11,460,966 · App. 17/158,770 · Granted Oct 4, 2022

Display device

Inventors: Miyoung Kim (Hwaseong-si, KR); Kwanghyeok Kim (Cheonan-si, KR); Soyeon Park (Yongin-si, KR); Yong-Hwan Park (Hwaseong-si, KR); Sanghyun Jun (Suwon-si, KR)
Assignee: Samsung Display Co., Ltd.
G06F3/0446G06F3/0412G06F2203/04107G06F2203/04111
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Quick Facts
Patent No.
US 11,460,966
App. No.
17/158,770
Granted
Oct 4, 2022
Kind
B2
Abstract

A display device including a display panel, and an input sensor on the display panel, and in which an active area and a peripheral area and includes a first area and a second area spaced apart in a first direction, are defined, the input sensor including first sensing electrodes extending in the first direction, and arranged in a second direction crossing the first, second sensing electrodes extending in the second direction, and arranged in the first direction, first sensing lines extending in the second direction within the active area, connected to the first sensing electrodes, and partially located in the first area, respectively, second sensing lines electrically connected to the second sensing electrodes, respectively, and at least partially located in the second area, and a first guard electrode between the first sensing lines and the second sensing lines, and at a boundary between the first area and the second area.

Claims (57)

1. A display device comprising:

a display panel; and

an input sensor on the display panel, and in which an active area and a peripheral area, which is adjacent to the active area and comprises a first area and a second area spaced apart in a first direction, are defined, the input sensor comprising:

first sensing electrodes extending in the first direction, and arranged in a second direction crossing the first direction;

second sensing electrodes extending in the second direction, and arranged in the first direction;

first sensing lines extending in the second direction within the active area, connected to the first sensing electrodes, and partially located in the first area, respectively, at least one of the first sensing lines crossing at least one row of corresponding ones of the second sensing electrodes;

second sensing lines electrically connected to the second sensing electrodes, respectively, and at least partially located in the second area; and

a first guard electrode between the first sensing lines and the second sensing lines, and at a boundary between the first area and the second area.

2. The display device of claim 1 , wherein the first sensing lines are spaced apart in the first direction within the active area.

3. The display device of claim 1 , wherein the first sensing electrodes comprise first sensing patterns arranged in the first direction and first connection patterns connecting neighboring ones of the first sensing patterns,

wherein the second sensing electrodes comprise second sensing patterns arranged in the second direction and second connection patterns connecting neighboring ones of the second sensing patterns, and

wherein the first connection patterns and the second connection patterns respectively cross each other while being insulated from each other.

4. The display device of claim 3 , wherein the first sensing lines in the active area are on a same layer as the second connection patterns.

5. The display device of claim 3 , wherein, when viewed in a plan view, the first sensing lines and the second sensing electrodes are alternately arranged.

6. The display device of claim 1 , wherein the first guard electrode is configured to apply a ground voltage.

7. The display device of claim 1 , further comprising:

a guard pad overlapping the peripheral area, and electrically connected to the first guard electrode; and

sensing pads overlapping the peripheral area, and electrically connected to the first sensing lines and the second sensing lines, respectively.

8. The display device of claim 7 , wherein the sensing pads comprise:

first sensing pads electrically connected to the first sensing lines, respectively; and

second sensing pads electrically connected to the second sensing lines, respectively,

wherein the first sensing pads and the second sensing pads are spaced apart from each other with the guard pad therebetween.

9. A display device comprising:

a display panel; and

an input sensor on the display panel, and in which an active area and a peripheral area, which is adjacent to the active area and comprises a first area and a second area spaced apart in a first direction, are defined, the input sensor comprising:

first sensing electrodes extending in the first direction, and arranged in a second direction crossing the first direction;

second sensing electrodes extending in the second direction, and arranged in the first direction;

first sensing lines extending in the second direction within the active area, connected to the first sensing electrodes, and partially located in the first area, respectively;

second sensing lines electrically connected to the second sensing electrodes, respectively, and at least partially located in the second area; and

a first guard electrode between the first sensing lines and the second sensing lines, and at a boundary between the first area and the second area,

wherein the peripheral area further comprises a third area between the first area and the active area, and between the second area and the active area, and

wherein the first sensing lines and the second sensing lines cross each other in the third area.

10. The display device of claim 9 , further comprising a second guard electrode in the third area, and crossing the first sensing lines and the second sensing lines.

11. The display device of claim 9 , further comprising a second guard electrode at a boundary between the second area and the third area, and spaced apart from the first sensing lines and the second sensing lines.

12. A display device comprising a display panel and an input sensor on the display panel,

wherein the input sensor comprises:

a base insulating layer comprising an active area, a first area spaced apart from the active area in a second direction, and a second area spaced apart from the active area in the second direction and spaced apart from the first area in a first direction crossing the second direction;

first sensing electrodes located in the active area;

second sensing electrodes located in the active area;

first sensing lines partially located in the first area, and alternately arranged with the second sensing electrodes in the active area, at least one of the first sensing lines crossing at least one row of corresponding ones of the second sensing electrodes;

second sensing lines located in the second area and connected to the second sensing electrodes, respectively; and

a first guard electrode located between the first area and the second area.

13. The display device of claim 12 , wherein the first sensing lines extend in the second direction and are spaced part from each other in the first direction.

14. The display device of claim 12 , wherein the base insulating layer further comprises a third area between the active area and the first area and between the active area and the second area, and

wherein the first sensing lines and the second sensing lines cross each other in the third area while being insulated from each other.

15. The display device of claim 14 , wherein the first guard electrode extends in the second direction, and

wherein the display device further comprises a second guard electrode electrically connected to the first guard electrode, and extending in the first direction.

16. The display device of claim 15 , wherein the second guard electrode is in the third area and crosses the first sensing lines and the second sensing lines while being insulated from the first sensing lines and the second sensing lines.

17. The display device of claim 15 , wherein the second guard electrode is at a boundary between the second area and the third area, and is spaced apart from the first sensing lines and the second sensing lines.

18. The display device of claim 12 , further comprising:

a guard pad electrically connected to the first guard electrode; and

sensing pads electrically connected to the first sensing lines and the second sensing lines, respectively.

19. The display device of claim 18 , wherein the guard pad is configured to supply a ground voltage to the first guard electrode.

20. The display device of claim 18 , wherein the sensing pads comprise:

first sensing pads electrically connected to the first sensing lines, respectively; and

second sensing pads electrically connected to the second sensing lines, respectively,

wherein the first sensing pads and the second sensing pads are spaced apart from each other with the guard pad therebetween.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2021
From: KIM, MIYOUNG; KIM, KWANGHYEOK; PARK, SOYEON; PARK, YONG-HWAN; JUN, SANGHYUN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 055037/0488 →
Priority Claims (1)
KR 10-2020-0020092 · Feb 19, 2020 · national
Continuity (1)
Related Publication 20210255738A1 · Aug 19, 2021
Cited By (4)
US 12,189,894 US 12,299,245 US 12,422,949 US 12,645,326