IP Library › Granted Patent US 12,535,859
Granted Patent B2
US 12,535,859 · App. 18/365,122 · Granted Jan 27, 2026

Display device

Inventors: Hyun Tae Kim (Yongin-si, KR); Jung Hyun Oh (Yongin-si, KR); Byung Seo Yoon (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
G06F1/1652
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Quick Facts
Patent No.
US 12,535,859
App. No.
18/365,122
Granted
Jan 27, 2026
Kind
B2
Abstract

A display device includes: a display panel having a folding area, a first non-folding area on a side of the folding area, and a second non-folding area on another side of the folding area; a support member on a surface of the display panel and having a plurality of slits in the folding area and a plurality of bars between the slits; and a base resin on the support member and inside the support member. A height of a first one of the bars at an edge of the folding area is higher than a height of a second one of the bars in a central area of the folding area, and a width of a first one of the slits at the edge of the folding area is smaller than a width of a second one of the slits in the central area of the folding area.

Claims (53)

1 . A display device comprising:

a display panel having a folding area, a first non-folding area on a side of the folding area, and a second non-folding area on another side of the folding area;

a support member on a surface of the display panel and having a plurality of slits in the folding area and a plurality of bars between the slits; and

a base resin on the support member and inside the support member,

wherein a height of a first one of the bars at an edge of the folding area from among the bars is higher than a height of a second one of the bars in a central area of the folding area from among the bars,

wherein a width of a first one of the slits at the edge of the folding area from among the slits is smaller than a width of a second one of the slits in the central area of the folding area from among the slits, and

wherein the support member includes a first fiber material extending in a second direction and a second fiber material extending in a first direction different from the second direction.

2 . The display device of claim 1 , wherein heights of the bars decrease from the edge of the folding area toward the central area of the folding area, and

wherein widths of the slits increase from the edge of the folding area toward the central area of the folding area.

3 . The display device of claim 1 , wherein a width of the first one of the bars at the edge of the folding area is smaller than a width of the second one of the bars in the central area of the folding area.

4 . The display device of claim 3 , wherein widths of the bars increase from the edge of the folding area toward the central area of the folding area.

5 . The display device of claim 1 , wherein the first fiber material includes a first fiber yarn and the second fiber material includes a second fiber yarn and the support member comprises:

a first layer comprising the first fiber yarn extending in the second direction, wherein the second direction crosses the first direction;

a second layer comprising the second fiber yarn extending in the first direction; and

a third layer comprising a third fiber yarn extending in the second direction,

wherein the first one of the bars at the edge of the folding area comprises all of the first layer, the second layer, and the third layer, and

wherein the second one of the bars in the central area of the folding area does not comprise at least one of the first layer, the second layer, and the third layer.

6 . The display device of claim 5 , wherein a number of types of layers in the first one of the bars at the edge of the folding area from among the first layer, the second layer, and the third layer is greater than a number of types of layers in the second one of the bars in the central area of the folding area from among the first layer, the second layer, and the third layer.

7 . The display device of claim 1 , wherein the support member is a metal plate comprising a metal material.

8 . The display device of claim 1 , wherein an upper surface of the base resin is flat.

9 . The display device of claim 1 , wherein the width of each of the slits is smaller than the width of each of the bars.

10 . The display device of claim 1 , wherein the support member has a first flat portion and a second flat portion in the first non-folding area and the second non-folding area, respectively, and

wherein the height of each of the bars is smaller than a height of the first flat portion and a height of the second flat portion.

11 . A display device comprising:

a display panel having a folding area, a first non-folding area on a side of the folding area, and a second non-folding area on another side of the folding area;

a support member on a surface of the display panel and having a plurality of slits in the folding area and a plurality of bars between the slits; and

a base resin on the support member and inside the support member,

wherein a height of a first one of the bars at an edge of the folding area from among the bars is lower than a height of a second one of the bars in a central area of the folding area from among the bars,

wherein a width of a first one of the slits at the edge of the folding area from among the slits is greater than a width of a second one of the slits in the central area of the folding area from among the slits,

wherein the support member includes a first fiber material extending in a second direction and a second fiber material extending in a first direction different from the second direction.

12 . The display device of claim 11 , wherein heights of the bars increase from the edge of the folding area toward the central area of the folding area, and

wherein widths of the slits decrease from the edge of the folding area toward the central area of the folding area.

13 . The display device of claim 11 , wherein a width of the first one of the bars at the edge of the folding area is greater than a width of the second of the bars in the central area of the folding area.

14 . The display device of claim 13 , wherein widths of the bars decrease from the edge of the folding area toward the central area of the folding area.

15 . The display device of claim 11 , wherein the first fiber material includes a first fiber yarn and the second fiber material includes a second fiber yarn and the support member comprises:

a first layer comprising the first fiber yarn extending in the second direction, wherein the second direction crosses the first direction;

a second layer comprising the second fiber yarn extending in the first direction; and

a third layer comprising a third fiber yarn extending in the second direction,

wherein the second one of the bars in the central area of the folding area comprises all of the first layer, the second layer, and the third layer, and

wherein the first one of the bars at the edge of the folding area does not comprise at least one of the first layer, the second layer, and the third layer.

16 . The display device of claim 15 , wherein a number of types of layers in the second one of the bars in the central area of the folding area from among the first layer, the second layer, and the third layer is greater than a number of types of layers in the first one of the bars at the edge of the folding area from among the first layer, the second layer, and the third layer.

17 . The display device of claim 11 , wherein the width of each of the slits is smaller than the width of each of the bars.

18 . The display device of claim 11 , wherein the support member has a first flat portion and a second flat portion in the first non-folding area and the second non-folding area, respectively, and

wherein the height of each of the bars is smaller than a height of the first flat portion and a height of the second flat portion.

19 . A display device comprising:

a display panel having a folding area, a first non-folding area on a side of the folding area, and a second non-folding area on another side of the folding area;

a support member on a surface of the display panel and having a plurality of slits in the folding area and a plurality of bars between the slits; and

a base resin on the support member and inside the support member,

wherein a height of a first one of the bars at an edge of the folding area from among the bars is equal to a height of a second one of the bars in a central area of the folding area from among the bars,

wherein a width of a first one of the slits at the edge of the folding area from among the slits is greater than a width of a second one of the slits in the central area of the folding area from among the slits, and

wherein the support member includes a first fiber material extending in a second direction and a second fiber material extending in a first direction different from the second direction.

20 . The display device of claim 19 , wherein the bars have the same height, and

wherein widths of the slits decrease from the edge of the folding area toward the central area of the folding area.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2023
From: KIM, HYUN TAE; OH, JUNG HYUN; YOON, BYUNG SEO
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 064656/0794 →
Priority Claims (2)
KR 10-2022-0130072 · Oct 11, 2022 · national
KR 10-2023-0024049 · Feb 23, 2023 · national
Continuity (1)
Related Publication 20230393626A1 · Dec 7, 2023
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