IP Library › Granted Patent US 9,877,384
Granted Patent B2
US 9,877,384 · App. 14/973,551 · Granted Jan 23, 2018

Display device

Inventors: Jusuck Lee (Seoul, KR); Junghun Lee (Hwaseong-si, KR); Younjoon Kim (Seoul, KR); Mi Jang (Suwon-si, KR); Kyungmin Choi (Seoul, KR)
Assignee: Samsung Display Co., Ltd.
H05K1/028G06F1/1652H05K2201/051H05K2201/10128
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Quick Facts
Patent No.
US 9,877,384
App. No.
14/973,551
Granted
Jan 23, 2018
Kind
B2
Abstract

A display device including: a flexible display panel; a first housing having an outer peripheral surface around which the flexible display panel is rolled; a jig in the first housing and connected to a first end of the flexible display panel, wherein the flexible display panel is configured to be rolled around the jig; and a second housing accommodating the first housing, wherein the jig and the first housing are configured to be rotated in different directions.

Claims (25)

1. A display device comprising: a flexible display panel; a first housing having an outer peripheral surface around which the flexible display panel is rolled; a jig in the first housing and connected to a first end of the flexible display panel, wherein the flexible display panel is configured to be rolled inside the first housing around the jig; and a second housing accommodating the first housing, wherein the jig and the first housing are configured to be rotated in different directions, and wherein a rotating direction of a first portion of the flexible display panel in the first housing is opposite to a rotating direction of a second portion of the flexible display panel in the second housing when the flexible display panel is drawn out or retracted in.

2. The display device of claim 1 ,

wherein the first housing comprises a protruding portion having a circular, an elliptical, or a semi-circular cross-sectional shape.

3. The display device of claim 2 , further comprising:

a protective member on the protruding portion of the first housing.

4. The display device of claim 3 ,

wherein the protective member comprises one or more of the following: polycarbonate (PC), polyethyleneterephthalate (PET), polypropylene terephthalate (PPT), polyethylene naphthalate (PEN), cyclic olefin polymer (COP), cyclic olefin copolymer (COC), poly(methyl methacrylate) (PMMA), polyimide (PI), polyacrylate (PAR), polyethersulphone (PES), polyetherimide (PEI), a silicon resin, a fluorocarbon resin, and a modified epoxy resin.

5. The display device of claim 1 ,

wherein the jig is configured to be rotated using a motor or a torsion spring.

6. The display device of claim 1 ,

wherein the first housing is configured to be rotated using a motor or a torsion spring.

7. The display device of claim 1 , further comprising:

a wire connecting the flexible display panel and the jig.

8. The display device of claim 7 ,

wherein the wire comprises one or more of the following: a leaf spring, a spiral spring, and a coil spring.

9. The display device of claim 1 ,

wherein the jig is rotatably fixed to an interior of the first housing.

10. The display device of claim 1 ,

wherein the first housing is rotatably fixed to an interior of the second housing.

11. The display device of claim 1 ,

wherein the first housing has a first inlet through which the flexible display panel is drawn in or out.

12. The display device of claim 1 ,

wherein the second housing has a second inlet through which the flexible display panel is drawn in or out.

13. The display device of claim 1 , further comprising:

a handle connected to a second end of the flexible display panel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 11, 2016
From: LEE, JUSUCK; LEE, JUNGHUN; KIM, YOUNJOON; JANG, MI; CHOI, KYUNGMIN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 037719/0209 →
Priority Claims (1)
KR 10-2015-0061132 · Apr 30, 2015 · national
Continuity (1)
Related Publication 20160324014A1 · Nov 3, 2016