Display device and electronic device including the same

Patent metadata

Field	Value
Publication number	US-12346167-B2
Application number	US-202318470665-A
Country	US
Kind code	B2
Filing date	Sep 20, 2023
Priority date	Aug 19, 2020
Publication date	Jul 1, 2025
Grant date	Jul 1, 2025

Abstract

A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.

First claim

What is claimed is:

1. A display device comprising:
a display panel comprising a folding area at which the display panel is foldable and a non-folding area which is adjacent to the folding area along a first direction;
a barrier layer facing the display panel;
a support layer facing the display panel with the barrier layer therebetween;
a plurality of openings which are defined in the support layer and correspond to the folding area of the display panel; and
a space which is defined between the barrier layer and the support layer and overlaps the plurality of openings.

2. The display device of claim 1 , wherein the barrier layer comprises a colored polyimide film.

3. The display device of claim 1 , wherein the barrier layer comprises a light shielding material.

4. The display device of claim 1 , wherein along the first direction, the support layer extends further than the barrier layer.

5. The display device of claim 1 , further comprising:
a cushion layer facing the display panel with the support layer therebetween; and
a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer comprising a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.

6. The display device of claim 5 , wherein
the support layer faces both the folding area and the non-folding area, and
along the first direction:
each of the cushion layer, the support layer and the barrier layer has a width,
the width of the cushion layer is less than the width of the support layer, and
the width of the barrier layer is less than the width of the support layer.

7. The display device of claim 5 , wherein
the cushion layer comprises a first cushion layer and a second cushion layer spaced apart from each other along the first direction by a gap, and
the gap by which the first cushion layer and the second cushion layer are spaced apart from each other corresponds to the folding area of the display panel.

8. The display device of claim 5 , wherein
each of the support layer and the cushion layer has an elastic modulus, and
the elastic modulus of the support layer is greater than the elastic modulus of the cushion layer.

9. The display device of claim 5 , wherein
each of the barrier adhesive layer and the barrier layer has a thickness, and
the thickness of the barrier adhesive layer is less than the thickness of the barrier layer.

10. The display device of claim 5 , wherein
each of the cushion layer and the barrier layer has a thickness, and
the thickness of the cushion layer is greater than the thickness of the barrier layer.

11. The display device of claim 5 , further comprising an upper adhesive layer between the display panel and the barrier layer,
wherein
the upper adhesive layer attaches the display panel to the barrier layer,
each of the upper adhesive layer and the barrier adhesive layer has a thickness, and
the thickness of the upper adhesive layer is greater than the thickness of the barrier adhesive layer.

12. The display device of claim 5 , wherein
the first barrier portion and the second barrier portion are spaced apart from each other along the first direction by a first distance,
along the first direction, the plurality of openings which correspond to the folding area of the display panel comprises a first opening closest to the non-folding area and a second opening furthest from the non-folding area,
the support layer comprises along the first direction:
a first sidewall which is closest to the non-folding area and defines the first opening,
a second sidewall which is furthest from the non-folding area and defines the second opening, and
a second distance between the first sidewall and the second sidewall, and
the first distance between the first barrier portion and the second barrier portion is greater than the second distance between the first sidewall and the second sidewall of the support layer.

13. The display device of claim 5 , wherein along the first direction:
the first barrier portion and the second barrier portion are spaced apart from each other by a distance,
the distance between the first barrier portion and the second barrier portion is greater than a width of an area in which the plurality of openings are defined.

14. The display device of claim 5 , wherein the non-folding area of the display panel comprises a display area,
further comprising:
a hole which corresponds to the display area and extends through the support layer, and
along the first direction, the cushion layer which is spaced apart from the hole which extends through the support layer.

15. An electronic device comprising a display device comprising:
a display panel comprising a folding area at which the display panel is foldable and a non-folding area which is adjacent to the folding area along a first direction;
a barrier layer facing the display panel;
a support layer facing the display panel with the barrier layer therebetween;
a plurality of openings which are defined in the support layer and correspond to the folding area of the display panel; and
a space which is defined between the barrier layer and the support layer and overlaps the plurality of openings.

Assignees

• Samsung Display Co Ltd

Inventors

• Shin Jaiku
• Park Dongjin
• Seo Dongwoo
• Choi Sung Chul
• La Sojeong
• Shin Jihye
• Lee Seokchan

Classifications

• H10K50/84

  Passivation; Containers; Encapsulations · CPC title

• H10K59/8792

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

• H10K59/8731

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

• H10K59/8722

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

• B32B2457/20

  Displays, e.g. liquid crystal displays, plasma displays · CPC title