IP Library Granted Patent US 12,396,356
Granted Patent B2
US 12,396,356 · App. 17/975,912 · Granted Aug 19, 2025

Display device including a light control layer and an input sensor

Inventors: Su Jeong Kim (Seoul, KR); Taeho Kim (Yongin-si, KR); Jongho Son (Seoul, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/60H10K50/865H10K59/38
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Quick Facts
Patent No.
US 12,396,356
App. No.
17/975,912
Granted
Aug 19, 2025
Kind
B2
Abstract

A display device includes: a display panel including a light emitting element and a pixel definition layer including a pixel opening; an input sensor disposed on the display panel and including at least one insulating layer, a sensing electrode overlapping the pixel definition layer, and a floating pattern overlapping the pixel opening; and a light control layer disposed on the input sensor and including a light blocking pattern and a color filter, wherein the light blocking pattern includes a first pattern and a second pattern, wherein the first pattern is includes a light blocking opening corresponding to the pixel opening, wherein the second pattern is spaced apart from the first pattern, is disposed in the light blocking opening, and overlaps the floating pattern, and wherein the color filter overlaps the light blocking opening.

Claims (29)

1. A display device comprising:

a display panel comprising a light emitting element and a pixel definition layer including a pixel opening;

an input sensor disposed on the display panel and comprising at least one insulating layer, a sensing electrode overlapping the pixel definition layer, and a floating pattern overlapping the pixel opening; and

a light control layer disposed on the input sensor and comprising a light blocking pattern and a color filter, wherein the light blocking pattern comprises a first pattern and a second pattern, wherein the first pattern is includes a light blocking opening corresponding to the pixel opening, wherein the second pattern is spaced apart from the first pattern, is disposed in the light blocking opening, and overlaps the floating pattern, and wherein the color filter overlaps the light blocking opening.

2. The display device of claim 1 , wherein the at least one insulating layer comprises a first insulating layer and a second insulating layer disposed on the first insulating layer, wherein the sensing electrode comprises a bridge electrode and a mesh electrode, wherein the bridge electrode is disposed between the first insulating layer and the second insulating layer, wherein the mesh electrode is disposed on the second insulating layer and includes a mesh opening corresponding to the pixel opening, and wherein the floating pattern is disposed on the second insulating layer, is spaced apart from the mesh electrode, and is disposed in the mesh opening.

3. The display device of claim 2 , wherein the at least one insulating layer further comprises a third insulating layer disposed on the second insulating layer and covering the mesh electrode and the floating pattern, and the second pattern is disposed on the third insulating layer.

4. The display device of claim 2 , wherein the first pattern is disposed on the second insulating layer and overlaps the mesh electrode, and the second pattern is disposed on the second insulating layer.

5. The display device of claim 2 , wherein the input sensor further comprises an additional floating pattern disposed between the first insulating layer and the second insulating layer and overlapping the second pattern.

6. The display device of claim 5 , wherein the floating pattern includes a floating opening, and the additional floating pattern overlaps the floating opening.

7. The display device of claim 6 , wherein each of the floating opening and the additional floating pattern has a circular shape or a polygonal shape.

8. The display device of claim 5 , wherein the at least one insulating layer further comprises a third insulating layer disposed on the second insulating layer and covering the mesh electrode and the floating pattern, and the second pattern is disposed on the third insulating layer.

9. The display device of claim 5 , wherein the first pattern is disposed on the second insulating layer and covers the mesh electrode, and the second pattern is disposed on the second insulating layer and covers the floating pattern.

10. The display device of claim 2 , wherein the second insulating layer includes a groove removing a portion of the second insulating layer from an upper surface of the second insulating layer along a thickness direction of the second insulating layer, and the floating pattern covers the groove.

11. The display device of claim 10 , wherein an inner side surface of the groove of the second insulating layer has a curvature.

12. The display device of claim 10 , wherein the at least one insulating layer further comprises a third insulating layer disposed on the second insulating layer and covering the mesh electrode and the floating pattern, and the second pattern is disposed on the third insulating layer.

13. The display device of claim 10 , wherein the first pattern is disposed on the second insulating layer, is in contact with the mesh electrode, and covers the mesh electrode, and the second pattern is disposed on the second insulating layer, is in contact with the floating pattern, and covers the floating pattern.

14. The display device of claim 1 , wherein the second pattern has a circular shape or a polygonal shape.

15. The display device of claim 1 , wherein the floating pattern comprises a metal material.

16. The display device of claim 1 , wherein the pixel definition layer has a black color and comprises a light scattering particle.

17. The display device of claim 1 , wherein the pixel opening is a plurality of pixel openings comprising first, second, and third pixel openings, wherein the first pixel opening has a size greater than a size of the second pixel opening and smaller than a size of the third pixel opening, wherein the second pattern comprises first, second, and third sub-patterns respectively overlapping the first, second, and third pixel openings, and the first sub-pattern has a size greater than a size of the second sub-pattern and smaller than a size of the third sub-pattern.

18. The display device of claim 1 , wherein the floating pattern is electrically insulated from the sensing electrode.

19. A display device comprising:

a display panel comprising a light emitting area and a non-light-emitting area;

an input sensor disposed on the display panel and comprising a sensing electrode and a reflective pattern, wherein the sensing electrode overlaps the non-light-emitting area, and the reflective pattern overlaps the light emitting area; and

a light control layer disposed on the input sensor and comprising a light blocking pattern comprising a first pattern, a second pattern and a color filter, wherein the first pattern overlaps the non-light-emitting area, wherein the second pattern is spaced apart from the first pattern and overlaps the reflective pattern, and wherein the color filter overlaps the light emitting area and the non-light-emitting area.

20. A display device comprising:

a display panel comprising a light emitting element and a pixel definition layer including a pixel opening;

an input sensor disposed on the display panel; and

a light control layer disposed on the input sensor and comprising a light absorbing pattern and a color filter overlapping the pixel opening, wherein the light absorbing pattern comprises a first pattern and a second pattern, wherein the first pattern includes a display opening corresponding to the pixel opening and overlaps the pixel definition layer, and wherein the second pattern is spaced apart from the first pattern and is disposed in the display opening.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2022
From: KIM, SU JEONG; KIM, TAEHO; SON, JONGHO
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 061578/0744 →
Priority Claims (1)
KR 10-2022-0026345 · Feb 28, 2022 · national
Continuity (1)
Related Publication 20230276681A1 · Aug 31, 2023
References Cited (12)
US 7833569B2 · Chae et al. · 2010 [cited by applicant]
US 20100117528A1 · Fukuda · 2010 [cited by examiner]
US 20120120616A1 · Katsui · 2012 [cited by examiner]
US 20150124179A1 · Ko et al. · 2015 [cited by applicant]
US 20210202594A1 · Jo et al. · 2021 [cited by applicant]
KR 101246720 · 2013 [cited by applicant]
KR 101296651 · 2013 [cited by applicant]
KR 101362147 · 2014 [cited by applicant]
KR 101469471 · 2014 [cited by applicant]
KR 1020150051490 · 2015 [cited by applicant]
KR 1020210081603 · 2021 [cited by applicant]
KR 1020210084913 · 2021 [cited by applicant]