IP Library Granted Patent US 12,399,593
Granted Patent B2
US 12,399,593 · App. 17/483,701 · Granted Aug 26, 2025

Display device

Inventors: Jina Seo (Seoul, KR); Su Jeong Kim (Seoul, KR); Suk Kim (Hwaseong-si, KR)
Assignee: Samsung Display Co., Ltd.
G06F3/0443H10K50/844H10K50/865H10K59/122H10K59/38H10K59/40H10K59/65H10K59/88G06F3/0446G06V40/1318H10K59/131H10K59/873H10K59/8792
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Quick Facts
Patent No.
US 12,399,593
App. No.
17/483,701
Granted
Aug 26, 2025
Kind
B2
Abstract

A display device includes: a base substrate including a plurality of pixel areas and a plurality of sensing areas between the plurality of pixel areas; a pixel layer including a plurality of light emitting elements disposed on the plurality of pixel areas of the base substrate and a plurality of sensors disposed on the plurality of sensing areas of the base substrate, the plurality of sensors being adjacent to first light emitting elements among the light emitting elements; an input sensing layer including a conductive layer; and a color layer disposed between the pixel layer and the conductive layer.

Claims (75)

1. A display device comprising:

a base substrate comprising a plurality of pixel areas and a plurality of sensing areas between the plurality of pixel areas;

a pixel layer comprising a plurality of light emitting elements disposed on the plurality of pixel areas of the base substrate and a plurality of sensors disposed on the plurality of sensing areas of the base substrate, the plurality of sensors being adjacent to first light emitting elements among the light emitting elements;

an input sensing layer comprising a conductive layer; a color layer disposed between the pixel layer and the conductive layer; and

a thin film encapsulation layer disposed between the pixel layer and the color layer,

wherein the color layer is disposed directly on the thin film encapsulation layer.

2. The display device of claim 1 , further comprising a color filter layer comprising a plurality of color filters disposed to respectively overlap the light emitting elements; and

a dummy color filter disposed to overlap the sensors.

3. The display device of claim 2 , wherein the first light emitting elements are configured to emit a first light having a first wavelength band, and the light emitting elements further comprise:

second light emitting elements configured to emit a second light having a second wavelength band different from the first wavelength band; and

third light emitting elements configured to emit a third light having a third wavelength band different from the first wavelength band and the second wavelength band.

4. The display device of claim 3 , wherein the color filter layer comprises:

a first color filter having a first color and disposed to overlap the first light emitting elements;

a second color filter having a second color different from the first color and disposed to overlap the second light emitting elements; and

a third color filter having a third color different from the first color and the second color and disposed to overlap the third light emitting elements.

5. The display device of claim 4 , wherein the dummy color filter has the first color.

6. The display device of claim 4 , wherein the color layer has the second color and comprises a same material as the second color filter.

7. The display device of claim 1 , further comprising a light blocking layer disposed on the input sensing layer.

8. The display device of claim 3 , wherein the color filter layer is disposed directly on the input sensing layer.

9. The display device of claim 8 , wherein the color filter layer comprises:

a first color filter having a first color and disposed to correspond to the first light emitting elements;

a second color filter having a second color different from the first color and disposed to correspond to the second light emitting elements; and

a third color filter having a third color different from the first color and the second color and disposed to correspond to the third light emitting elements.

10. The display device of claim 9 , wherein the dummy color filter has the first color.

11. The display device of claim 9 , wherein the color filter layer further comprises a light blocking layer having the second color and comprising a same material as the second color filter.

12. The display device of claim 1 , wherein:

the color layer is a light absorbing layer, and

the color layer has a width greater than a width of the conductive layer.

13. A display device comprising:

a base substrate comprising a plurality of pixel areas and a plurality of sensing areas between the plurality of pixel areas;

a pixel layer comprising a plurality of light emitting elements disposed on the plurality of pixel areas of the base substrate and a plurality of sensors disposed on the plurality of sensing areas of the base substrate, the plurality of sensors being adjacent to first light emitting elements among the light emitting elements;

a first color filter layer disposed on the pixel layer;

an input sensing layer disposed on the first color filter layer; and

a second color filter layer disposed on the input sensing layer,

wherein the input sensing layer comprises a conductive layer, and

wherein the first color filter layer comprises a first dummy color filter, the first dummy color filter overlapping with the conductive layer and not overlapping with the light emitting elements.

14. The display device of claim 13 , wherein:

the first light emitting elements are configured to emit a first light having a first wavelength band, and

the first color filter layer further comprises a first color filter having a first color.

15. The display device of claim 14 , wherein:

the first wavelength band is a green wavelength band, and

the first color is a blue color.

16. The display device of claim 14 , wherein the light emitting elements further comprise:

second light emitting elements configured to emit a second light having a second wavelength band different from the first wavelength band; and

third light emitting elements configured to emit a third light having a third wavelength band different from the first wavelength band and the second wavelength band.

17. The display device of claim 16 , wherein the second color filter layer comprises:

a second color filter having a second color different from the first color and disposed to overlap the first light emitting elements; and

a third color filter having a third color different from the first color and the second color and disposed to correspond to the third light emitting elements.

18. The display device of claim 17 , wherein the second color filter layer further comprises a second dummy color filter having the second color and disposed to overlap the sensors.

19. The display device of claim 16 , wherein the first color filter is disposed to overlap the second light emitting elements.

20. The display device of claim 19 , wherein:

the first dummy color filter has the first color.

21. The display device of claim 20 , wherein the first dummy color filter has a width greater than a width of the conductive layer.

22. The display device of claim 20 , wherein the conductive layer comprises:

a first conductive layer; and

a second conductive layer disposed on the first conductive layer.

23. The display device of claim 22 , wherein:

the input sensing layer further comprises an insulating layer,

the first conductive layer is disposed on the first dummy color filter and covered by the insulating layer, and

the second conductive layer is disposed on the insulating layer.

24. The display device of claim 13 , further comprising a thin film encapsulation layer disposed between the pixel layer and the first color filter layer.

25. The display device of claim 13 , further comprising a light blocking layer disposed on the input sensing layer.

26. The display device of claim 13 , wherein the pixel layer further comprises a pixel definition layer comprising a first opening and a second opening, and wherein:

the light emitting elements are disposed in the first opening overlapping the plurality of pixel areas; and

the sensors are disposed in the second opening overlapping the plurality of sensing areas.

27. The display device of claim 26 , wherein the pixel definition layer comprises a black material.

28. The display device of claim 13 , wherein each of the sensors comprises a photodiode.

29. An electronic device comprising a display device comprising:

a base substrate comprising a plurality of pixel areas and a plurality of sensing areas between the plurality of pixel areas;

a pixel layer comprising a plurality of light emitting elements disposed on the plurality of pixel areas of the base substrate and a plurality of sensors disposed on the plurality of sensing areas of the base substrate, the plurality of sensors being adjacent to first light emitting elements among the light emitting elements;

a first color filter layer disposed on the pixel layer;

an input sensing layer disposed on the first color filter layer; and

a second color filter layer disposed on the input sensing layer,

wherein the input sensing layer comprises a conductive layer, and

wherein the first color filter layer comprises a first dummy color filter, the first dummy color filter overlapping with the conductive layer and not overlapping with the light emitting elements.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 23, 2021
From: SEO, JINA; KIM, SU JEONG; KIM, SUK
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 057584/0540 →
Priority Claims (1)
KR 10-2020-0168320 · Dec 4, 2020 · national
Continuity (1)
Related Publication 20220181406A1 · Jun 9, 2022
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