IP Library › Granted Patent US 9,760,129
Granted Patent B2
US 9,760,129 · App. 14/957,636 · Granted Sep 12, 2017

Rollable display device

Inventors: Youn Joon Kim (Seoul, KR); Jung Hun Lee (Hwaseong-si, KR); Jusuck Lee (Seoul, KR); Kyung Min Choi (Seoul, KR); Sang Jo Lee (Hwaseong-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
G06F1/1656G06F1/1652
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Quick Facts
Patent No.
US 9,760,129
App. No.
14/957,636
Granted
Sep 12, 2017
Kind
B2
Abstract

A rollable display device, including a flexible display panel; a roller having a cylindrical shape, one end of the flexible display panel being fixed to the roller and rolled around the roller, the roller including a penetration part, the penetration part being inclined with respect to a circumferential surface of the roller, the flexible display panel penetrating through the penetration part; and a first guide at a portion adjacent to the penetration part on the circumferential surface of the roller, the first guide guiding the flexible display panel penetrating through the penetration part to be adjacent to an outer surface of the roller.

Claims (24)

1. A rollable display device, comprising:

a flexible display panel;

a roller having a cylindrical shape, one end of the flexible display panel being fixed to the roller and rolled around the roller, the roller including a penetration part, the penetration part being inclined with respect to a circumferential surface of the roller, the flexible display panel penetrating through the penetration part; and

a first guide at a portion adjacent to the penetration part on the circumferential surface of the roller, the first guide guiding the flexible display panel penetrating through the penetration part and pressing a part of the flexible display panel that is outside of the penetration part to an outer surface of the roller.

2. The rollable display device as claimed in claim 1 , wherein a cross section of the penetration part has an arc shape.

3. The rollable display device as claimed in claim 1 , wherein one end of the first guide at least partially covers the penetration part.

4. The rollable display device as claimed in claim 3 , wherein an end portion of the first guide covering the penetration part has a same radius of curvature as a radius of curvature of the penetration part.

5. The rollable display device as claimed in claim 1 , wherein the first guide includes an elastically deformable material.

6. The rollable display device as claimed in claim 1 , wherein the first guide is formed integrally with the roller.

7. The rollable display device as claimed in claim 1 , wherein an end portion of the flexible display panel in the roller is fixedly coupled to an inner wall of the roller.

8. The rollable display device as claimed in claim 1 , further comprising a second guide having a curved plate shape, the second guide partially enclosing the roller and the first guide, the second guide covering the first guide on the exterior of the penetration part, and the second guide being on and contacting the outer surface of the roller.

9. The rollable display device as claimed in claim 8 , wherein the second guide has a same radius of curvature as a radius of curvature of the roller.

10. A rollable display device, comprising:

a flexible display panel;

a roller having a cylindrical shape, one end of the flexible display panel being fixed to the roller and rolled around the roller, the roller including a penetration part, the penetration part being inclined with respect to a circumferential surface of the roller, the flexible display panel penetrating through the penetration part; and

a first guide at a portion adjacent to the penetration part on the circumferential surface of the roller, the first guide guiding the flexible display panel penetrating through the penetration part and pressing a part of the flexible display panel that is outside of the penetration part to an outer surface of the roller,

wherein one end of the first guide at least partially covers the penetration part, and

wherein an end portion of the first guide covering the penetration part has a same radius of curvature as a radius of curvature of the penetration part.

11. The rollable display device as claimed in claim 10 , wherein a cross section of the penetration part has an arc shape.

12. The rollable display device as claimed in claim 10 , wherein the first guide includes an elastically deformable material.

13. The rollable display device as claimed in claim 10 , wherein the first guide is formed integrally with the roller.

14. The rollable display device as claimed in claim 10 , wherein an end portion of the flexible display panel in the roller is fixedly coupled to an inner wall of the roller.

15. The rollable display device as claimed in claim 10 , further comprising a second guide having a curved plate shape, the second guide partially enclosing the roller and the first guide, the second guide covering the first guide on the exterior of through the penetration part, and the second guide being on and contacting the outer surface of the roller.

16. The rollable display device as claimed in claim 15 , wherein the second guide has a same radius of curvature as a radius of curvature of the roller.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 3, 2015
From: KIM, YOUN JOON; LEE, JUNG HUN; LEE, JUSUCK; CHOI, KYUNG MIN; LEE, SANG JO
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 037197/0009 →
Priority Claims (1)
KR 10-2015-0022410 · Feb 13, 2015 · national
Continuity (1)
Related Publication 20160239052A1 · Aug 18, 2016