IP Library › Granted Patent US 11,335,218
Granted Patent B2
US 11,335,218 · App. 16/768,384 · Granted May 17, 2022

Display device

Inventors: Takeshi Yamamoto (Tokyo, JP); Soya Araki (Kanagawa, JP); Yoshinori Tachikawa (Tokyo, JP); Yohei Azuma (Kanagawa, JP); Yoichiro Eshita (Tokyo, JP)
G09F9/301G06F1/1652G09F11/15G09F11/21H01L27/3225H01L51/0097G09F2011/0009H01L2251/5338
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Quick Facts
Patent No.
US 11,335,218
App. No.
16/768,384
Granted
May 17, 2022
Kind
B2
Abstract

A display device includes a first rotation member configured to rotate, a second rotation member configured to rotate, the second rotation member being spaced apart from the first rotation member, a conveyance member that is extended between the first rotation member and the second rotation member, is configured to be conveyed between the first rotation member and the second rotation member in accordance with respective rotations of the first rotation member and the second rotation member, and has an inner surface and an outer surface, an abutting movement member that is disposed between the first rotation member and the second rotation member, and is configured to move to cause the conveyance member to be partially pushed up while being abutted against the inner surface, and a display member having flexibility that is attached to the outer surface, and displays an image using an organic light emitting phenomenon.

Claims (26)

1. A display device comprising:

a first rotation member configured to rotate;

a second rotation member configured to rotate, the second rotation member being spaced apart from the first rotation member;

a conveyance member that is extended between the first rotation member and the second rotation member, is configured to be conveyed between the first rotation member and the second rotation member in accordance with respective rotations of the first rotation member and the second rotation member, and has an inner surface and an outer surface;

an abutting movement member that is disposed between the first rotation member and the second rotation member, and is configured to move to cause the conveyance member to be partially pushed up while being abutted against the inner surface; and

a display member having flexibility that is attached to the outer surface, and displays an image using an organic light emitting phenomenon.

2. The display device according to claim 1 , wherein the display member includes

a flexible base, and

an image display layer that is supported by the flexible base and displays the image.

3. The display device according to claim 1 , further comprising:

a movement controller that controls movement of the abutting movement member; and

a tension detector that detects a tension of the conveyance member, wherein

the movement controller is configured to adjust a movement distance of the abutting movement member on a basis of the tension of the conveyance member detected by the tension detector.

4. The display device according to claim 1 , further comprising a conveyance controller that controls conveyance of the conveyance member in accordance with the respective rotations of the first rotation member and the second rotation member, wherein

in a state in which the abutting movement member is moved to cause the conveyance member to be partially pushed up while being abutted against the inner surface, the conveyance member includes an adjacent part that is adjacent to the abutting movement member and a non-adjacent part that is not adjacent to the abutting movement member, and

the conveyance controller is configured to adjust a conveyance distance of the conveyance member to cause the display member to be disposed on the non-adjacent part in accordance with the respective rotations of the first rotation member and the second rotation member.

5. The display device according to claim 4 , wherein, in a state in which the display member is disposed on the non-adjacent part, the conveyance controller is configured to adjust a position of the display member in a conveyance direction of the conveyance member in accordance with the respective rotations of the first rotation member and the second rotation member.

6. The display device according to claim 5 , wherein the non-adjacent part has a blank space to which the display member is not attached at at least one of upstream side or downstream side of the display member in the conveyance direction of the conveyance member.

7. The display device according to claim 1 , further comprising:

a movement controller that controls movement of the abutting movement member; and

an external force detector that detects, in a state in which the abutting movement member is moved to cause the conveyance member to be partially pushed up while being abutted against the inner surface, an external force to be supplied to the conveyance member, wherein

when the external force is detected by the external force detector, the movement controller is configured to adjust a movement distance of the abutting movement member to cause the conveyance member to bend, by moving the abutting movement member in a direction to be spaced apart from the inner surface.

8. The display device according to claim 1 , further comprising a support movement member that supports the first rotation member, the second rotation member, and the abutting movement member, and is configured to move in a direction that intersects a movement direction of the abutting movement member.

9. The display device according to claim 1 , further comprising a cleaning member that is disposed along a conveyance path of the conveyance member, and is configured to clean at least one of the inner surface or the outer surface.

10. The display device according to claim 1 , further comprising a storage member that stores the first rotation member, the second rotation member, the conveyance member, the abutting movement member, and the display member, wherein,

when the abutting movement member moves to cause the conveyance member to be partially pushed up while being abutted against the inner surface, the display member is configured to be drawn out from the storage member together with a portion of the abutting movement member and a portion of the conveyance member.

Assignments (2)
CHANGE OF NAME Recorded Jan 27, 2022
From: SONY CORPORATION
To: SONY GROUP CORPORATION
Reel/Frame 058870/0718 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2020
From: YAMAMOTO, TAKESHI; ARAKI, SOYA; TACHIKAWA, YOSHINORI; AZUMA, YOHEI; ESHITA, YOICHIRO
To: SONY CORPORATION
Reel/Frame 053525/0496 →
Priority Claims (1)
JP JP2017-235272 · Dec 7, 2017 · national
Continuity (1)
Related Publication 20200320907A1 · Oct 8, 2020
Cited By (1)
US 12,670,817