IP Library Granted Patent US 12,386,469
Granted Patent B2
US 12,386,469 · App. 18/402,608 · Granted Aug 12, 2025

Input sensor and display device including the same

Inventor: Jungmok Park (Hwaseong-si, KR)
Assignee: Samsung Display Co., Ltd.
G06F3/0445G06F3/0412H10K59/40
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,386,469
App. No.
18/402,608
Granted
Aug 12, 2025
Kind
B2
Abstract

An input sensor and display device including the same are capable of sensing a touch (or touch interaction) by a user's body and a touch by an electronic pen.

Claims (102)

1. A display device comprising:

a plurality of first electrodes, wherein at least one of the plurality of first electrodes comprises a first sensor part and a second sensor part;

a plurality of second electrodes insulated from the plurality of first electrodes, wherein at least one of the plurality of second electrodes comprises a third sensor part and a fourth sensor part;

a first sensing line electrically connected to one of the plurality of first electrodes;

a plurality of second sensing lines electrically connected to one of the plurality of second electrodes;

a plurality of third electrodes, wherein at least one of the plurality of third electrodes is disposed between the first sensor part and the second sensor part; and

a plurality of fourth electrodes, wherein at least one of the plurality of fourth electrodes is disposed between the third sensor part and the fourth sensor part;

wherein at least two third electrodes among the plurality of third electrodes are electrically connected to each other and at least two fourth electrodes among the plurality of fourth electrodes are electrically connected to each other.

2. The display device of claim 1 , wherein:

each of the plurality of first electrodes comprises a first connection part electrically connecting the first sensor part and the second sensor part, and

each of the plurality of second electrodes comprises a second connection part electrically connecting the third sensor part and the fourth sensor part.

3. The display device of claim 2 , wherein:

the first connection part and the second connection part are formed from a first conductive layer,

the first to fourth sensor part, the plurality of third electrodes and the plurality of fourth electrodes are formed from a second conductive layer; and

an insulation layer is disposed between the first conductive layer and the second conductive layer.

4. The display device of claim 1 , wherein:

the plurality of second electrodes extend in a first direction and are arranged in a second direction intersecting the first direction,

the plurality of first electrodes extend in the second direction and are arranged in the first direction,

the first sensor part and the second sensor part are spaced apart from each other in the second direction, and

the plurality of third sensor parts and the plurality of fourth sensor parts are spaced part from each other in the first direction.

5. The display device of claim 1 , wherein:

the plurality of first electrodes and the plurality of second electrodes are configured to sense a touch input during a first sensing mode, and

the plurality of third electrodes and the plurality of fourth electrodes are configured to sense a pen input during a second sensing mode.

6. The display device of claim 1 , wherein:

the plurality of third electrodes comprise a plurality of third sensing lines; and

the plurality of fourth electrodes comprise a plurality of fourth sensing lines.

7. The display device of claim 6 , wherein:

at least two third sensing lines among the plurality of third sensing lines are electrically connected to each other; and

at least two fourth sensing lines among the plurality of fourth sensing lines are electrically connected to each other.

8. An input sensor comprising:

a plurality of first touch electrodes, wherein at least one of the plurality of first touch electrodes comprises a first sensor part and a second sensor part;

a plurality of second touch electrodes insulated from the plurality of first touch electrodes, each of the plurality of second touch electrodes having a third sensor part and a fourth sensor part;

a plurality of first pen electrodes, wherein at least one of the plurality of first pen electrodes is disposed between the first sensor part and the second sensor part; and

a plurality of second pen electrodes, wherein at least one of the plurality of second pen electrodes is disposed between the third sensor part and the fourth sensor part;

wherein:

at least two of the plurality of first pen electrodes are electrically connected to each other;

at least two of the plurality of second pen electrodes are electrically connected to each other;

the plurality of first touch electrodes and the plurality of second touch electrodes are configured to sense a touch input during a touch sensing mode; and

the plurality of first pen electrodes and the plurality of second pen electrodes are configured to sense a pen input during a pen sensing mode.

9. The input sensor of claim 8 , wherein:

each of the plurality of first touch electrodes comprises a first connection part electrically connecting the first sensor part and the second sensor part, and

each of the plurality of second touch electrodes comprises a second connection part electrically connecting the third sensor part and the fourth sensor part.

10. The input sensor of claim 9 , wherein:

the first connection part and the second connection part are formed from a first conductive layer;

the first to fourth sensor parts, the plurality of first pen electrodes and the plurality of second pen electrodes are formed from a second conductive layer; and

an insulation layer is disposed between the first conductive layer and the second conductive layer.

11. The input sensor of claim 8 , wherein:

the plurality of second touch electrodes extend in a first direction and are arranged in a second direction intersecting the first direction;

the plurality of first touch electrodes extend in the second direction and arranged in the first direction;

the first sensor part and the second sensor part are spaced apart from each other in the second direction; and

the third sensor part and the fourth sensor part are spaced part from each other in the first direction.

12. The input sensor of claim 8 , wherein:

the plurality of first pen electrodes comprise a plurality of first sensing lines; and

the plurality of second pen electrodes comprise a plurality of second sensing lines.

13. The input sensor of claim 12 , wherein:

at least two first sensing lines among the plurality of first sensing lines are electrically connected to each other; and

at least two second sensing lines among the plurality of second sensing lines are electrically connected to each other.

14. A display device comprising:

a display panel;

an input sensor disposed on a first surface of the display panel; and

a sensing circuit configured to receive first input information and second input information from the input sensor,

wherein the input sensor comprises:

a plurality of first electrodes, wherein at least one of the plurality of first electrodes comprises a first sensor part and a second sensor part;

a plurality of second electrodes insulated from the plurality of first electrodes, wherein at least one of the plurality of second electrodes comprises a third sensor part and a fourth sensor part;

a plurality of first sensing lines electrically connected to each of the plurality of first electrodes;

a plurality of second sensing lines electrically connected to each of the plurality of second electrodes;

a plurality of third electrodes, wherein at least one of the plurality of third electrodes is disposed between the first sensor part and the second sensor part; and

a plurality of fourth electrodes, wherein at least one of the plurality of fourth electrodes is disposed between the third sensor part and the fourth sensor part;

wherein at least two third electrodes among the plurality of third electrodes are electrically connected to each other and at least two fourth electrodes among the plurality of fourth electrodes are electrically connected to each other.

15. The display device of claim 14 , wherein:

each of the plurality of first electrodes comprises a first connection part electrically connecting the first sensor part and the second sensor part, and

each of the plurality of second electrodes comprises a second connection part electrically connecting the third sensor part and the fourth sensor part.

16. The display device of claim 14 , wherein:

the plurality of second electrodes extend in a first direction and are arranged in a second direction intersecting the first direction;

the plurality of first electrodes extend in the second direction and are arranged in the first direction;

the plurality of first sensor parts and the plurality of second sensor parts are spaced apart from each other in the second direction; and

the plurality of third sensor parts and the plurality of fourth sensor parts are spaced part from each other in the first direction.

17. The display device of claim 14 , wherein:

the sensing circuit is further configured to:

receive the first input information through the plurality of first sensing lines and the plurality of second sensing lines during a first sensing mode; and

receive the second input information through the plurality of third electrodes and the plurality of fourth electrodes during a second sensing mode.

18. The display device of claim 17 , wherein:

the plurality of third electrodes comprises a plurality of third sensing lines; and

the plurality of fourth electrodes comprises a plurality of fourth sensing lines.

19. The display device of claim 18 , wherein:

the sensing circuit receives a touch input information through the plurality of first sensing lines and the plurality of second sensing lines during the first sensing mode; and

the sensing circuit receives a pen input information through the plurality of third sensing lines and the plurality of fourth sensing lines during the second sensing mode.

20. The display device of claim 18 , wherein:

at least two third sensing lines among the plurality of third sensing lines are electrically connected to each other; and

at least two fourth sensing lines among the plurality of fourth sensing lines are electrically connected to each other.

21. An electronic device comprising:

a display panel configured to display an image;

an input sensor disposed on a first surface of the display panel; and

a sensing circuit configured to receive first input information and second input information from the input sensor,

wherein the input sensor comprises:

a plurality of first electrodes, wherein at least one of the plurality of first electrodes comprises a first sensor part and a second sensor part;

a plurality of second electrodes insulated from the plurality of first electrodes, wherein at least one of the plurality of second electrodes comprises a third sensor part and a fourth sensor part;

a first sensing line electrically connected to one of the plurality of first electrodes;

a plurality of second sensing lines electrically connected to one of the plurality of second electrodes;

a plurality of third electrodes, wherein at least one of the plurality of third electrodes is disposed between the first sensor part and the second sensor part; and

a plurality of fourth electrodes, wherein at least one of the plurality of fourth electrodes is disposed between the third sensor part and the fourth sensor part, and

wherein at least two third electrodes among the plurality of third electrodes are electrically connected to each other and at least two fourth electrodes among the plurality of fourth electrodes are electrically connected to each other.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 28, 2025
From: PARK, JUNGMOK
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 070672/0589 →
Priority Claims (1)
KR 10-2019-0110525 · Sep 6, 2019 · national
Continuity (3)
Continuation 18091397 · Dec 30, 2022
Continuation 16986134 · Aug 5, 2020
Related Publication 20240231549A1 · Jul 11, 2024
References Cited (26)
US 9236421B2 · Lee · 2016 [cited by applicant]
US 9269408B2 · Yamaki · 2016 [cited by applicant]
US 9886127B2 · Choi · 2018 [cited by examiner]
US 10146336B2 · Lee et al. · 2018 [cited by applicant]
US 10481729B2 · Park · 2019 [cited by applicant]
US 10712889B2 · Park et al. · 2020 [cited by applicant]
US 11880221B2 · Park · 2024 [cited by examiner]
US 20130285939A1 · Kim et al. · 2013 [cited by applicant]
US 20150317008A1 · Chandran et al. · 2015 [cited by applicant]
US 20190004649A1 · Ju et al. · 2019 [cited by applicant]
US 20190114070A1 · Youn · 2019 [cited by applicant]
US 20190129553A1 · Oh et al. · 2019 [cited by applicant]
KR 1020140077000 · 2014 [cited by applicant]
KR 1020150004029A · 2015 [cited by applicant]
KR 101653719 · 2016 [cited by applicant]
KR 1020170060833 · 2017 [cited by applicant]
KR 1020180014393A · 2018 [cited by applicant]
KR 1020180046708 · 2018 [cited by applicant]
KR 1020190003148 · 2019 [cited by applicant]
KR 1020190025798A · 2019 [cited by applicant]
KR 1020190041826 · 2019 [cited by applicant]
KR 1020190047168 · 2019 [cited by applicant]
KR 101975596 · 2019 [cited by applicant]
Non-Final Office Action dated Mar. 17, 2022, in U.S. Appl. No. 16/986,134 (submitted in parent). [cited by applicant]
Notice of Allowance dated Aug. 15, 2022, in U.S. Appl. No. 16/986,134. (submitted in parent). [cited by applicant]
Notice of Allowance dated Sep. 13, 2023, in U.S. Appl. No. 18/091,397. [cited by applicant]