Display device including a hinge and support portions having an increasing thickness

Patent metadata

Field	Value
Publication number	US-10908644-B2
Application number	US-201916520565-A
Country	US
Kind code	B2
Filing date	Jul 24, 2019
Priority date	Oct 30, 2018
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

A display device includes a first support portion and a second support portion arranged in a first direction with the first support portion. The display device further includes a display panel disposed on the first and second support portions, and a hinge configured to provide first and second rotation axes to the first and second support portions, respectively, the first and second rotation axes extending in a second direction crossing the first direction. A thickness of the first support portion increases from a first side surface of the first support portion toward a second side surface of the first support portion. A thickness of the second support portion increases from a first side surface of the second support portion toward a second side surface of the second support portion. The first side surface of the second support portion faces the first side surface of the first support portion.

First claim

What is claimed is:

1. A display device comprising:
a first support portion;
a second support portion arranged in a first direction with the first support portion;
a display panel disposed on the first and second support portions; and
a hinge configured to provide first and second rotation axes to the first and second support portions, respectively, the first and second rotation axes extending in a second direction crossing the first direction,
wherein a thickness of the first support portion increases from a first side surface of the first support portion toward a second side surface of the first support portion, and a thickness of the second support portion increases from a first side surface of the second support portion toward a second side surface of the second support portion, wherein the first side surface of the second support portion faces the first side surface of the first support portion, wherein an entirety of an upper surface of the first support portion has a constant slope.

2. The display device of claim 1 , wherein a shape of the first support portion is symmetric to the second support portion about a center part of the display panel.

3. The display device of claim 1 , wherein lower surfaces of the first and second support portions each have a plane that is parallel to the first and second directions.

4. The display device of claim 3 , wherein the first side surface of the first support portion and the lower surface of the first support portion are substantially perpendicular to each other.

5. The displays device of claim 3 , wherein the first side surface of the second support portion and the lower surface of the second support portion are substantially perpendicular to each other.

6. The display device of claim 3 , wherein upper surfaces of the first and second support portions are inclined planes that make a first angle with the first direction, wherein the upper surface of the first support portion and the upper surface of the second support portion are symmetric to each other with respect to a center part of the display panel.

7. The display device of claim 6 , wherein the first angle is about 0.5 degree to about 1.5 degrees.

8. The display device of claim 6 , wherein the first side surface of the first support portion and the upper surface of the first support portion are substantially perpendicular to each other.

9. The display device of claim 6 , wherein the first side surface of the second support portion and the upper surface of the second support portion are substantially perpendicular to each other.

10. The display device of claim 1 , wherein the display panel comprises:
a first non-folding area;
a second non-folding area; and
a folding area disposed between the first non-folding area and the second non-folding areas and overlapping the first and second rotation axes.

11. The display device of claim 10 , further comprising:
an adhesive member disposed between the display panel and the first support portion and between the display panel and the second support portion.

12. The display device of claim 11 , further comprising:
a first coating layer disposed between a part of the upper surface of the first support portion and the adhesive member, wherein the part of the upper surface of the first support portion is adjacent to the first side surface of the first support portion; and
a second coating layer disposed between a part of an upper surface of the second support portion and the adhesive member, wherein the part of the upper surface of the second support portion is adjacent to the first side surface of the second support portion.

13. The display device of claim 12 , wherein the first and second coating layers overlap the folding area and are not attached to the adhesive member at the folding area.

14. The display device of claim 10 , wherein
the first rotation axis is provided at a part of the first support portion, wherein the part of the first support portion is adjacent to the first side surface of the first support portion, and
the second rotation axis is provided at a part of the second support portion, wherein the part of the second support portion is adjacent to the first side surface of the second support portion.

15. The display device of claim 14 , wherein the first and second support portions rotate about the first and second rotation axes, respectively, and the display panel is configured to fold inward so that the first and second non-folding areas face each other.

16. The display device of claim 15 , wherein when the display panel is in an unfolded mode, an angle made by the first non-folding area and the second non-folding area is greater than about 177 degrees and less than 180 degrees.

17. The display device of claim 1 , further comprising:
a case configured to accommodate the display panel and the first and second support portions,
wherein an upper surface of the display panel comprises a display area and a non-display area configured to at least partially surround the display area, and
the case covers the non-display area.

18. A display device comprising:
a first support portion;
a second support portion arranged in a first direction with the first support portion; and
a display panel disposed on the first and second support portions,
wherein a lower surface of the first support and a lower surface of the second support portion have planes defined by the first direction and a second direction crossing the first direction, and an upper surface of the first support and an upper surface of the second support portion make a first angle with the first direction and are symmetric to each other, wherein an entirety of the upper surface of the second support portion is even.

19. The display device of claim 18 , wherein a height of the upper surface of the first support portion increases from a first side surface of the first support portion toward a second side surface of the first support portion,
a height of the upper surface of the second support portion increases from a first side surface of the second support portion toward a second side surface of the second support portion, and
the first side surface of the first support portion faces the first side surface of the second support portion.

20. The display device of claim 19 , wherein the first side surface of the first support portion and the lower surface of the first support portion are substantially perpendicular to each other, and the first side surface of the second support portion and the lower surface of the second support portion are substantially perpendicular to each other.

Assignees

• Samsung Display Co Ltd

Inventors

• Han Jiwon
• Shin Jaiku

Classifications

• H04M1/0268

  including a flexible display panel · CPC title

• G06F1/1616

  with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position · CPC title

• G09F9/301 Primary

  flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED · CPC title

• G06F1/1641 Primary

  the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence) · CPC title

• H10K50/00

  Organic light-emitting devices (integrated devices or assemblies of multiple devices H10K59/00, H10K65/00; organic semiconductor lasers H01S5/36) · CPC title