Display device and electronic watch including the same

Patent metadata

Field	Value
Publication number	US-10877440-B2
Application number	US-201916532710-A
Country	US
Kind code	B2
Filing date	Aug 6, 2019
Priority date	Jun 11, 2015
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.

First claim

What is claimed is:

1. A display device, comprising:
a substrate having a through-hole;
a display area at least partially surrounding the through-hole;
a first non-display area between the display area and the through-hole;
a first transistor, a second transistor, and a third transistor in the display area, wherein the first transistor is electrically connected to the second transistor and the third transistor,
a data line electrically connected to one electrode of the second transistor;
a scan line electrically connected to a gate electrode of the second transistor; and,
an emission control line electrically connected to a gate electrode of the third transistor,
wherein the emission control line cross each other in the first non-display area, and
wherein the emission control line and the data line are curved in the first non-display area.

2. The display device of claim 1 , wherein each of the data line and the emission control line extends across the display area and the first non-display area.

3. The display device of claim 1 , further comprising:
a second non-display area surrounding the display area.

4. The display device of claim 3 , further comprising:
a driving circuit disposed in the second non-display area and electrically connected to at least one of the scan line and the emission control line.

5. The display device of claim 3 , wherein at least one of the substrate, the display area, the first non-display area, and the second non-display area has a ring shape.

6. The display device of claim 1 , wherein the through-hole includes a plurality of through-holes, and wherein the plurality of through-holes are separated from one another and surrounded by the display area.

7. The display device of claim 1 ,
wherein the emission control line is straight in the display area.

8. The display device of claim 1 , further comprising:
a light emitting diode electrically connected to one of the first transistor and the third transistor.

9. The display device of claim 1 , further comprising:
an encapsulation layer covering the display area and the first non-display area.

10. The display device of claim 9 ,
wherein the encapsulation layer includes multiple layers including one or more of an organic material and an inorganic material.

11. The display device of claim 1 , wherein the emission control line comprises:
a first straight portion extending in a first direction in the display area;
a second straight portion extending in a second direction crossing the first direction in the display area; and
a curved portion in the first non-display area, wherein the curved portion is disposed between the first straight portion and the second straight portion.

12. The display device of claim 11 , further comprising:
a fourth transistor electrically connected to the first transistor and the second transistor; and
a driving power line electrically connected to one electrode of the fourth transistor
wherein the emission control line is electrically connected to a gate electrode of the fourth transistor.

13. The display device of claim 12 , further comprising:
a fifth transistor electrically connected to the first transistor and the third transistor, and
wherein the scan line is electrically connected to a gate electrode of the fifth transistor.

14. The display device of claim 13 , further comprising:
a sixth transistor electrically connected to the fifth transistor; and
an initialization power line electrically connected to one electrode of the sixth transistor.

15. The display device of claim 14 , further comprising:
a seventh transistor electrically connected to third transistor and the sixth transistor; and
a light emitting diode electrically connected to the third transistor and the seventh transistor.

16. A display device, comprising:
a substrate having a through-hole;
a display area at least partially surrounding the through-hole;
a first non-display area between the display area and the through-hole,
a second non-display area surrounding the display area;
an encapsulation layer covering the display area and the first non-display area;
a first transistor, a second transistor, and a third transistor in the display area, wherein the first transistor is electrically connected to the second transistor and the third transistor;
a data line electrically connected to one electrode of the second transistor;
a scan line electrically connected to a gate electrode of the second transistor; and
an emission control line electrically connected to a gate electrode of the third transistor,
wherein the emission control line and the data line cross each other in the first non-display area, and
wherein the emission control line and the data line are curved in the first non-display area.

17. The display device of claim 16 , wherein the encapsulation layer includes multiple layers including one or more of an organic material and an inorganic material.

18. A display device, comprising:
a substrate having a through-hole;
a display area at least partially surrounding the through-bole;
a first non-display area between the display area and the through-hole;
a second non-display area surrounding the display area;
an encapsulation layer covering the display area and the first non-display area, wherein the encapsulation layer includes multiple layers including one or more of an organic material and an inorganic material;
a first transistor, a second transistor, a third transistor, and a fourth transistor in the display area, wherein the first transistor is electrically connected to the second transistor, the third transistor, and the fourth transistor;
a data line electrically connected to one electrode of the second transistor;
a scan hue electrically connected to a gate electrode of the second transistor;
a driving power line electrically connected to one electrode of the fourth transistor; and
an emission control line electrically connected to a gate electrode of the third transistor and a gate electrode of the fourth transistor; and
wherein the emission control line and the data line cross each other in the first non-display area, and
wherein the emission control line and the data line are curved in the first non-display area.

Assignees

• Samsung Display Co Ltd

Inventors

• Kang Ki Nyeng
• Kim Keum Nam
• Choi Jong Hyun

Classifications

• G04G17/045

  Mounting of the display · CPC title

• G04G9/04 Primary

  by controlling light sources, e.g. electroluminescent diodes {(G04G9/0058 takes precedence)} · CPC title

• G04G9/0088 Primary

  by controlling light sources, e.g. electroluminescent diodes · CPC title

• G04C17/0091

  Combined electro-optical and electro-mechanical displays · CPC title

• G04C3/00

  Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (clocks driven by synchronous motors G04C15/00) · CPC title