Electronic device

Patent metadata

Field	Value
Publication number	US-12422708-B2
Application number	US-202418758088-A
Country	US
Kind code	B2
Filing date	Jun 28, 2024
Priority date	Oct 24, 2014
Publication date	Sep 23, 2025
Grant date	Sep 23, 2025

Abstract

A novel electronic device is provided. Alternatively an electronic device of a novel embodiment is provided. An electronic device includes a ring portion and a display portion. The display portion is flexible. The display portion has a top surface and a first side surface in contact with at least one side of the top surface. The first side surface has a curved surface. The top surface includes a first display region. The first side surface includes a second display region. The first display region and the second display region are continuously provided. The electronic device is mounted such that the ring portion is in contact with a user's finger.

First claim

What is claimed is:

1. An electronic device comprising:
a display portion;
a driver circuit;
a secondary battery electrically connected to the display portion, the secondary battery overlapping with the display portion; and
a wiring electrically connected to the display portion and the driver circuit,
wherein the display portion, the driver circuit, and the wiring are positioned over a flexible substrate,
wherein the display portion comprises a plurality of pixels,
wherein each of the plurality of pixels comprises a first transistor and an organic light-emitting element,
wherein the driver circuit comprises a second transistor,
wherein the first transistor and the second transistor are in contact with the same insulating film,
wherein the display portion comprises a first display region, a second display region, and a third display region each having a quadrangular shape,
wherein a first side of the first display region is in contact with a first side of the second display region,
wherein a second side of the first display region is adjacent to the first side of the first display region and is in contact with a first side of the third display region,
wherein a second side of the second display region is adjacent to the first side of the second display region,
wherein a third side of the second display region is opposite to the first side of the second display region and is adjacent to the driver circuit,
wherein a second side of the third display region is adjacent to the first side of the third display region,
wherein the wiring comprises a first region provided along the second side of the second display region and a second region provided along the second side of the third display region, and
wherein the second region of the wiring extends perpendicular to the first region of the wiring.

2. An electronic device comprising:
a display portion;
a driver circuit;
a secondary battery electrically connected to the display portion, the secondary battery overlapping with the display portion; and
a wiring electrically connected to the display portion and the driver circuit,
wherein the display portion, the driver circuit, and the wiring are positioned over a flexible substrate,
wherein the display portion comprises a pixel portion including a plurality of pixels,
wherein each of the plurality of pixels comprises a first transistor and an organic light-emitting element,
wherein the driver circuit comprises a second transistor,
wherein the first transistor and the second transistor are in contact with the same insulating film,
wherein the display portion comprises a first display region, a second display region, and a third display region each having a quadrangular shape,
wherein a first side of the first display region is in contact with a first side of the second display region,
wherein a second side of the first display region is adjacent to the first side of the first display region and is in contact with a first side of the third display region,
wherein a second side of the second display region is adjacent to the first side of the second display region,
wherein a second side of the third display region is adjacent to the first side of the third display region,
wherein a third side of the second display region is opposite to the first side of the second display region and is adjacent to the driver circuit,
wherein the wiring comprises a first region provided along the second side of the second display region and a second region provided along the second side of the third display region,
wherein the second region of the wiring extends perpendicular to the first region of the wiring, and
wherein a channel formation region of the first transistor is provided in an oxide semiconductor layer.

3. An electronic device comprising:
a display portion;
a driver circuit;
a secondary battery electrically connected to the display portion, the secondary battery overlapping with the display portion; and
a wiring electrically connected to the display portion and the driver circuit,
wherein the display portion, the driver circuit, and the wiring are positioned over a flexible substrate,
wherein the display portion comprises a plurality of pixels,
wherein each of the plurality of pixels comprises a first transistor and an organic light-emitting element,
wherein the driver circuit comprises a second transistor,
wherein the first transistor and the second transistor are in contact with the same insulating film,
wherein the display portion comprises a first display region, a second display region, and a third display region each having a quadrangular shape,
wherein a first side of the first display region is in contact with a first side of the second display region,
wherein a second side of the first display region is adjacent to the first side of the first display region and is in contact with a first side of the third display region,
wherein a second side of the second display region is adjacent to the first side of the second display region,
wherein a second side of the third display region is adjacent to the first side of the third display region,
wherein a third side of the second display region is opposite to the first side of the second display region and is adjacent to the driver circuit,
wherein the wiring comprises a first region provided along the second side of the second display region and a second region provided along the second side of the third display region,
wherein the second region of the wiring extends perpendicular to the first region of the wiring, and
wherein a channel formation region of the first transistor is provided in a semiconductor layer comprising silicon.

4. The electronic device according to claim 1 , wherein the wiring is configured to supply signals from the driver circuit to the third display region.

5. The electronic device according to claim 1 , wherein the secondary battery has flexibility.

6. The electronic device according to claim 1 , wherein the electronic device is a wearable device.

7. The electronic device according to claim 2 , wherein the oxide semiconductor layer comprises at least indium.

8. The electronic device according to claim 2 , wherein the oxide semiconductor layer comprises indium, gallium, and zinc.

9. The electronic device according to claim 2 , wherein the wiring is configured to supply signals from the driver circuit to the third display region.

10. The electronic device according to claim 2 , wherein the secondary battery has flexibility.

11. The electronic device according to claim 2 , wherein the electronic device is a wearable device.

12. The electronic device according to claim 3 , wherein the semiconductor layer comprises amorphous silicon.

13. The electronic device according to claim 3 , wherein the semiconductor layer comprises polycrystalline silicon.

14. The electronic device according to claim 3 , wherein the wiring is configured to supply signals from the driver circuit to the third display region.

15. The electronic device according to claim 3 , wherein the secondary battery has flexibility.

16. The electronic device according to claim 3 , wherein the electronic device is a wearable device.

Assignees

• Semiconductor Energy Lab

Inventors

• Kuwabara Hideaki
• Hiroki Masaaki

Classifications

• G02F1/163

  Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor · CPC title

• G02F1/1368

  in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} · CPC title

• G02F1/13452

  Conductors connecting driver circuitry and terminals of panels · CPC title

• G02F1/133305

  Flexible substrates, e.g. plastics, organic film · CPC title

• G06F1/1654

  the display being detachable, e.g. for remote use · CPC title