Foldable display device

Patent metadata

Field	Value
Publication number	US-2016014881-A1
Application number	US-201514735018-A
Country	US
Kind code	A1
Filing date	Jun 9, 2015
Priority date	Jul 8, 2014
Publication date	Jan 14, 2016
Grant date	—

Abstract

A foldable display device includes: a display panel having a folded portion bendable along a fold line; and a cover window disposed on the display panel, wherein the cover window includes: at least a soft pattern disposed on the folded portion of the display panel; and a hard coating layer disposed on the display panel having the soft pattern formed thereon, and the soft pattern has a triangular cross section.

First claim

What is claimed is:

1 . A foldable display device comprising:
a display panel having a folded portion bendable along a fold line; and a cover window disposed on the display panel, wherein the cover window includes: at least a soft pattern disposed on the folded portion of the display panel; and a hard coating layer disposed on the display panel having the soft pattern formed thereon, and the soft pattern has a triangular cross section.

2 . The foldable display device of claim 1 , wherein the soft pattern is disposed to be parallel with respect to the fold line.

3 . The foldable display device of claim 1 , wherein the soft pattern has a hardness lower than a hardness of the hard coating layer.

4 . The foldable display device of claim 3 , wherein the soft pattern has a hardness of about 2 hardness (H) or lower.

5 . The foldable display device of claim 3 , wherein the hard coating layer has a hardness of higher than or equal to about 2 H.

6 . The foldable display device of claim 1 , wherein the soft pattern has a width decreased as farther away from the display panel.

7 . The foldable display device of claim 1 , wherein the cover window includes a plurality of soft patterns spaced apart from one another at an interval in a range of about 10 micrometers (μm) to about 100 μm

8 . The foldable display device of claim 7 , wherein the hard coating layer is disposed between the soft patterns.

9 . The foldable display device of claim 1 , wherein the hard coating layer has a thickness in a range of about 10 μm to about 100 μm.

10 . The foldable display device of claim 1 , wherein the hard coating layer is disposed to cover the soft pattern.

11 . The foldable display device of claim 1 , wherein the soft pattern includes a polymer resin.

12 . The foldable display device of claim 1 , wherein the hard coating layer includes one of glass and a high-hardness resin film.

Assignees

• Samsung Display Co Ltd

Inventors

• Shin Heon Jung
• Kim Ah Young
• Nam Seung Wook
• Jeong Yong Cheol

Classifications

• G06F1/1652 Primary

  the display being flexible, e.g. mimicking a sheet of paper, or rollable · 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

• H05K5/00

  Casings, cabinets or drawers for electric apparatus · CPC title

• G09F9/301

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

• H05K1/02

  Details · CPC title