Display device

Patent metadata

Field	Value
Publication number	US-11650681-B2
Application number	US-202017095633-A
Country	US
Kind code	B2
Filing date	Nov 11, 2020
Priority date	Feb 20, 2020
Publication date	May 16, 2023
Grant date	May 16, 2023

Abstract

Provided is a display device that includes a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas, an insulating layer disposed on the display panel, a first conductive pattern overlapping the non-light emitting area and directly disposed on the insulating layer, a color filter layer overlapping the light emitting areas and disposed on the insulating layer, a first insulating layer disposed on the first conductive pattern and the color filter layer and in which opening parts overlapping the light emitting areas are defined, and a second conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer.

First claim

What is claimed is:

1. A display device comprising:
a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas;
an insulating layer disposed on the display panel;
a first conductive pattern overlapping the non-light emitting area and directly disposed on the insulating layer;
a color filter layer overlapping the light emitting areas and disposed on the insulating layer;
a first insulating layer disposed on the first conductive pattern and the color filter layer and in which opening parts overlapping the light emitting areas are defined; and
a second conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer.

2. The display device of claim 1 , wherein side surfaces of the first insulating layer where the opening parts are defined have an inclining surface.

3. The display device of claim 2 , wherein a width of the first insulating layer, which is defined as a distance between the opening parts, becomes smaller as it goes in an upper direction perpendicular to an upper surface of the display panel.

4. The display device of claim 1 , further comprising a black matrix overlapping the non-light emitting area and disposed on the second conductive pattern and the first insulating layer.

5. The display device of claim 4 , further comprising a second insulating layer disposed on the color filter layer, the first insulating layer, and the black matrix and configured to fill the opening parts.

6. The display device of claim 5 , wherein a refractive index of the second insulating layer is greater than a refractive index of the first insulating layer.

7. The display device of claim 5 , wherein the first insulating layer and the second insulating layer comprise an organic material.

8. The display device of claim 1 , wherein the color filter layer comprises:
a first color filter; and
a second color filter spaced apart from the first color filter,
wherein each of the first and second color filters extends to a portion of the non-light emitting area adjacent to a corresponding light emitting area among the light emitting areas.

9. The display device of claim 1 , wherein the color filter layer comprises a plurality of color filters,
wherein the first conductive pattern is disposed between some of the color filters.

10. The display device of claim 1 , wherein the second conductive pattern comprises:
a plurality of first detection parts having a mesh shape, arranged in a first direction, and connected to each other by the first conductive pattern;
a plurality of second detection parts having the mesh shape, arranged in a second direction intersecting the first direction, and alternately arranged with the first detection parts; and
an extension pattern disposed between the second detection parts, and formed integrally with the second detection parts to extend from the second detection parts.

11. The display device of claim 10 , wherein the first conductive pattern is connected to the first detection parts through contact holes defined in the first insulating layer.

12. The display device of claim 10 , wherein the first conductive pattern comprises a first extension part and a second extension part,
wherein the extension pattern is disposed between the first extension part and the second extension part,
wherein the first extension part and the second extension part are connected to the first detection parts through an area overlapping the second detection parts.

13. The display device of claim 1 , wherein the display panel further comprises:
a light emitting element disposed in each of the light emitting areas; and
a thin film encapsulation layer disposed on the light emitting element,
wherein the insulating layer is disposed on the thin film encapsulation layer.

14. The display device of claim 1 , further comprising a black matrix overlapping the non-light emitting area and disposed on the first conductive pattern,
wherein the first insulating layer is disposed on the black matrix.

15. The display device of claim 14 , wherein the first conductive pattern is connected to some patterns among the second conductive pattern through contact holes defined in the first insulating layer and the black matrix.

16. The display device of claim 14 , further comprising a second insulating layer disposed on the color filter layer, the first insulating layer, and the second conductive pattern and configured to fill the opening parts.

17. A display device comprising:
a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas;
an insulating layer disposed on the display panel;
a color filter layer overlapping the light emitting areas and extending to a portion of the non-light emitting area adjacent to each of the light emitting areas to be disposed directly on the insulating layer;
a first insulating layer disposed on the color filter layer and in which opening parts overlapping the light emitting areas are defined;
a black matrix overlapping the non-light emitting area and disposed on the first insulating layer; and
a second insulating layer disposed on the color filter layer, the first insulating layer, and the black matrix and configured to fill the opening parts,
wherein side surfaces of the first insulating layer where the opening parts are defined have an inclining surface.

18. The display device of claim 17 , further comprising:
a first conductive pattern overlapping the non-light emitting area and disposed on the insulating layer; and
a second conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer,
wherein the first insulating layer is disposed on the first conductive pattern,
wherein the black matrix is disposed on the second conductive pattern.

19. The display device of claim 17 , further comprising a conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer,
wherein the black matrix is disposed on the conductive pattern.

20. The display device of claim 17 , further comprising a conductive pattern overlapping the non-light emitting area and disposed on the insulating layer,
wherein the first insulating layer is disposed on the conductive pattern.

21. A display device comprising:
a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas;
an insulating layer disposed on the display panel;
a first conductive pattern overlapping the non-light emitting area and directly disposed on the insulating layer;
a color filter layer overlapping the light emitting areas and extending to a portion of the non-light emitting area adjacent to each of the light emitting areas to be disposed on the insulating layer;
a black matrix overlapping the non-light emitting area and disposed on the insulating layer to cover the first conductive pattern;
a first insulating layer disposed on the color filter layer and the black matrix and in which opening parts overlapping the light emitting areas are defined; and
a second insulating layer disposed on the color filter layer and the first insulating layer and configured to fill the opening parts,
wherein side surfaces of the first insulating layer where the opening parts are defined have an inclining surface.

22. The display device of claim 21 , further comprising a second conductive pattern overlap

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Ji-Hyun
• Kim Woongsik
• Byun Jin-Su
• Kang Tae Wook
• Cha Gwangmin
• Han Saehee

Classifications

• H10K59/8792

  comprising light absorbing layers, e.g. black layers · CPC title

• H10K59/878

  comprising reflective means · CPC title

• H10K59/8731

  multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers · CPC title

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F3/0443 Primary

  using a single layer of sensing electrodes · CPC title