IP Library › Granted Patent US 12,299,245
Granted Patent B2
US 12,299,245 · App. 18/480,490 · Granted May 13, 2025

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 12,299,245
App. No.
18/480,490
Granted
May 13, 2025
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 (41)

1. An electronic 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, are defined, the input sensor comprising:

first sensing electrodes extending in a 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; and

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

2. The electronic device of claim 1 , further comprising second sensing lines electrically connected to the second sensing electrodes, respectively, and at least partially located in the peripheral area, wherein the first sensing lines are spaced apart in the first direction within the active area.

3. The electronic device of claim 2 , wherein the peripheral area comprises a first area and a second area spaced apart in the first direction.

4. The electronic device of claim 3 , further comprising 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.

5. The electronic device of claim 4 , wherein the first guard electrode is configured to apply a ground voltage.

6. The electronic display device of claim 5 , 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.

7. The electronic device of claim 6 , further comprising a second guard electrode in the third area, and crossing the first sensing lines and the second sensing lines.

8. The electronic display device of claim 6 , 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.

9. The electronic 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.

10. The electronic device of claim 9 , wherein the first sensing lines in the active area are on a same layer as the second connection patterns.

11. The electronic device of claim 9 , wherein, when viewed in a plan view, the first sensing lines and the second sensing electrodes are alternately arranged.

12. An electronic 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;

first sensing electrodes located in the active area;

second sensing electrodes located in the active area; and

first sensing lines 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.

13. The electronic device of claim 12 , the base insulating layer further comprising 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.

14. The electronic device of claim 13 , wherein the first sensing lines extend in the second direction and are spaced apart from each other in the first direction.

15. The electronic device of claim 13 , wherein the input sensor further comprises a first guard electrode located between the first area and the second area.

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

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

17. The electronic device of claim 16 , wherein the input sensor further comprises second sensing lines located in the second area and connected to the second sensing electrodes, respectively,

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.

18. The electronic device of claim 17 , 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.

19. The electronic device of claim 17 , 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.

20. The electronic device of claim 17 , 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,

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, and

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 Jul 23, 2024
From: KIM, MIYOUNG; KIM, KWANGHYEOK; PARK, SOYEON; PARK, YONG-HWAN; JUN, SANGHYUN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 068055/0571 →
Priority Claims (1)
KR 10-2020-0020092 · Feb 19, 2020 · national
Continuity (3)
Continuation 17936747 · Sep 29, 2022
Continuation 17158770 · Jan 26, 2021
Related Publication 20240045555A1 · Feb 8, 2024
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