Display device and electronic apparatus

Patent metadata

Field	Value
Publication number	US-11538878-B2
Application number	US-202117342269-A
Country	US
Kind code	B2
Filing date	Jun 8, 2021
Priority date	Jul 30, 2020
Publication date	Dec 27, 2022
Grant date	Dec 27, 2022

Abstract

A display device includes: a first main pixel being configured to emit light of a first color, and a second main pixel being configured to emit light of a second color; and a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color, wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

First claim

What is claimed is:

1. A display device comprising:
a substrate including a first area and a second area in contact with the first area;
a first main pixel and a second main pixel on the first area, the first main pixel being configured to emit light of a first color, and the second main pixel being configured to emit light of a second color; and
a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color,
wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and
a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

2. The display device of claim 1 , wherein the first auxiliary pixel is closer to the first area than the second auxiliary pixel.

3. The display device of claim 1 , wherein a shortest distance between the first main pixel and the first auxiliary pixel is less than a shortest distance between the second main pixel and the second auxiliary pixel.

4. The display device of claim 1 , wherein an angle between the first virtual line and the second virtual line is 45° or less.

5. The display device of claim 1 , wherein the first main pixel and the first auxiliary pixel are configured to emit green light.

6. The display device of claim 5 , wherein the second main pixel and the second auxiliary pixel are configured to emit red or blue light.

7. The display device of claim 1 , wherein a size of the emission area of the first main pixel is less than a size of the emission area of the second main pixel, and a size of the emission area of the first auxiliary pixel is less than a size of the emission area of the second auxiliary pixel.

8. The display device of claim 1 , further comprising a third main pixel on the first area and configured to emit light of a third color, and a third auxiliary pixel on the second area and configured to emit light of the third color.

9. The display device of claim 8 , wherein a third virtual line passing through a center of an emission area of the third main pixel and a center of an emission area of the third auxiliary pixel crosses the first direction.

10. The display device of claim 9 , wherein the second virtual line and the third virtual line cross each other.

11. The display device of claim 8 , wherein a fourth virtual line passing through each of the center of the emission area of the second main pixel and a center of an emission area of a third main pixel is spaced apart from and parallel to the first virtual line, and
the second auxiliary pixel is not on the fourth virtual line.

12. The display device of claim 11 , further comprising a third auxiliary pixel on the second area and emitting light of a third color,
wherein a fifth virtual line passing through the center of the emission area of the second auxiliary pixel and a center of an emission area of the third auxiliary pixel is spaced apart from and parallel to the fourth virtual line.

13. The display device of claim 1 , wherein the first main pixel and the first auxiliary pixel, which are on the first area, and the second main pixel and the second auxiliary pixel, which are on the second area, are each arranged in a pentile configuration.

14. The display device of claim 1 , wherein a size of the emission area of the first auxiliary pixel is greater than a size of the emission area of the first main pixel.

15. A display device comprising:
a substrate including a first area and a second area in contact with the first area;
a first main pixel and a second main pixel on the first area, the first main pixel being configured to emit light of a first color, and the second main pixel being configured to emit light of a second color; and
a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color,
wherein a size of an emission area of the first main pixel is less than a size of an emission area of the second main pixel, a size of an emission area of the first auxiliary pixel is less than a size of an emission area of the second auxiliary pixel, and
the first auxiliary pixel is closer to the first area than the second auxiliary pixel.

16. The display device of claim 15 , wherein the first main pixel and the first auxiliary pixel are configured to emit green light.

17. The display device of claim 15 , wherein the first main pixel and the first auxiliary pixel, and the second main pixel and the second auxiliary pixel are closest to each other at a boundary between the first area and the second area.

18. The display device of claim 17 , wherein a shortest distance between the first main pixel and the first auxiliary pixel is less than a shortest distance between the second main pixel and the second auxiliary pixel.

19. The display device of claim 15 , wherein the first main pixel and the second main pixel, which are on the first area, are in a pentile configuration, and the first auxiliary pixel and the second auxiliary pixel, which are on the second area, are in a stripe configuration.

20. The display device of claim 19 , further comprising a component overlapping the second area.

21. The display device of claim 19 , wherein the second area is at least one corner portion of the substrate, and
at least a portion of the substrate corresponding to the second area includes a through portion.

22. The display device of claim 16 , wherein a first virtual line passing through a center of the emission area of the first main pixel and a center of the emission area of the first auxiliary pixel is parallel to a first direction.

23. The display device of claim 22 , wherein a second virtual line passing through a center of the emission area of the second main pixel and a center of the emission area of the second auxiliary pixel crosses the first direction.

24. The display device of claim 23 , wherein an angle between the first virtual line and the second virtual line is 45° or less.

25. The display device of claim 15 , wherein a size of the emission area of the first auxiliary pixel is greater than a size of the emission area of the first main pixel.

26. An electronic apparatus comprising:
a display device including a first area and a second area in contact with the first area, the display device including an array of a plurality of main pixels on the first area, and an array of a plurality of auxiliary pixels on the second area; and
a component overlapping the second area,
wherein the display device includes:
a first main pixel and a second main pixel on the first area, the first main pixel being configured to emit light of a first color, and the second main pixel being configured to emit light of a second color; and
a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color,
wherein a first virtual line passing through a center of an emission

Assignees

• Samsung Display Co Ltd

Inventors

• Park Sangha
• Hwang Kyuhwan
• Jeong Dahee
• Jo Eunbee

Classifications

• H01L27/326 Primary

  Electricity · mapped topic

• H10K59/65

  OLEDs integrated with inorganic image sensors · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• H10K77/00

  Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80 · CPC title

• H10K59/121

  characterised by the geometry or disposition of pixel elements · CPC title