Display device

Patent metadata

Field	Value
Publication number	US-12298613-B2
Application number	US-202318515203-A
Country	US
Kind code	B2
Filing date	Nov 20, 2023
Priority date	Mar 10, 2022
Publication date	May 13, 2025
Grant date	May 13, 2025

Abstract

A display device includes: a first substrate including a first area, a second area surrounding the first area, and a third area surrounding the second area; a second substrate facing the first substrate; a sealing member between the first substrate and the second substrate at the third area; a color filter layer under the second substrate; a low refractive index layer under the color filter layer, overlapping with the first area, and spaced from the sealing member; a protective layer covering the low refractive index layer, surrounding a side surface of the low refractive index layer, and including an inorganic material; and a color conversion layer under the protective layer, overlapping with the first area, and including a plurality of color conversion parts spaced from each other.

First claim

What is claimed is:

1. A display device comprising:
a first substrate including a first area, a second area surrounding the first area, and a third area surrounding the second area;
a second substrate facing the first substrate in a thickness direction;
a sealing member between the first substrate and the second substrate at the third area;
a color filter layer under the second substrate;
a first layer under the color filter layer and with a different refractive index than adjacent layers;
a second layer under the first layer and overlapping with the sealing member;
a third layer under the second layer and above the first substrate; and
a capping layer between the second layer and the third layer and extending in the thickness direction to cover a side surface of the first layer.

2. The display device of claim 1 , wherein the color filter layer overlaps with the sealing member.

3. The display device of claim 1 , wherein the color filter layer comprises a first color filter, a second color filter, and a third color filter.

4. The display device of claim 3 , wherein a portion of the first color filter, a portion of the second color filter, and a portion of the third color filter overlap each other in a plan view.

5. The display device of claim 3 , wherein the first area includes a light emitting area and a light blocking area surrounding the light emitting area, and
a portion of the first color filter, a portion of the second color filter, and a portion of the third color filter overlap each other at the light blocking area.

6. The display device of claim 3 , wherein a portion of the first color filter, a portion of the second color filter, and a portion of the third color filter overlap each other at the second area.

7. The display device of claim 3 , wherein each of the first color filter, the second color filter, and the third color filter overlaps with the sealing member.

8. The display device of claim 1 , wherein a side surface of the capping layer is exposed to outside.

9. The display device of claim 1 , wherein the capping layer overlaps with the sealing member.

10. A display device comprising:
a first substrate including a first area, a second area surrounding the first area, and a third area surrounding the second area;
a second substrate facing the first substrate;
a sealing member between the first substrate and the second substrate at the third area;
a color filter layer under the second substrate;
a first layer under the color filter layer and with a different refractive index than adjacent layers;
a second layer under the first layer and overlapping with the sealing member;
a third layer under the second layer; and
a color conversion layer between the second layer and the capping layer in the first area and comprising a plurality of color conversion parts spaced from each other.

11. The display device of claim 1 , wherein a side surface of the first layer is exposed to outside.

12. The display device of claim 1 , wherein a side surface of the second layer is exposed to outside.

13. The display device of claim 1 , wherein a side surface of the third layer is exposed to outside.

14. The display device of claim 1 , wherein the first layer overlaps with the sealing member.

15. The display device of claim 1 , wherein the third layer overlaps with the sealing member.

16. A display device comprising:
a first substrate including a first area, a second area surrounding the first area, and a third area surrounding the second area;
a second substrate facing the first substrate;
a sealing member between the first substrate and the second substrate at the third area;
a color filter layer under the second substrate;
a first layer under the color filter layer and with a different refractive index than adjacent layers;
a second layer under the first layer and overlapping with the sealing member; and
a third layer under the second layer,
wherein the second layer is a protective layer comprising an inorganic material, and
the third layer is a barrier layer comprising at least one organic layer.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Ran
• Lee Juwon
• Kim Kihyun
• Park Younggil
• JEONG Sooim

Classifications

• H10K50/8426 Primary

  Peripheral sealing arrangements, e.g. adhesives, sealants · CPC title

• G02F1/133617 Primary

  Illumination with ultraviolet light; Luminescent elements or materials associated to the cell · CPC title

• G02F1/1339

  Gaskets; Spacers; Sealing of cells · CPC title

• H10K59/32

  Stacked devices having two or more layers, each emitting at different wavelengths · CPC title

• H10K50/858

  comprising refractive means, e.g. lenses · CPC title