Display device

Patent metadata

Field	Value
Publication number	US-11557267-B2
Application number	US-202117353235-A
Country	US
Kind code	B2
Filing date	Jun 21, 2021
Priority date	Feb 18, 2019
Publication date	Jan 17, 2023
Grant date	Jan 17, 2023

Abstract

A display device includes a first display area including a plurality of first pixel areas, a second display area including a plurality of second pixel areas and a plurality of transmission areas, a plurality of pixels arranged in a matrix form in the first and second display areas, and a first signal line and a second signal line disposed to correspond to each pixel column in the plurality of pixels. In each pixel column, one of the first and second signal lines may extend over the first and second display areas, and a remaining one of the first and second signal lines may not be disposed in the second display area.

First claim

What is claimed is:

1. A display device comprising:
a first display area including a plurality of first pixel areas;
a second display area including a plurality of second pixel areas and a plurality of transmission areas;
a plurality of pixels arranged in a matrix form in the first and second display areas; and
a first signal line and a second signal line disposed to correspond to each pixel column of a plurality of pixel columns in the plurality of pixels,
wherein in each of the pixel columns, a number of pixels overlapping one of the first and second signal lines is greater than a number of pixels overlapping a remaining one of the first and second signal lines,
wherein two pairs of the first and second signal lines correspond to each pair of contiguous pixel columns in the first display area, and
wherein in each of the pixel columns, both the first and second signal lines overlap each pixel in the first display area and only one of the first and second signal lines overlaps each pixel in the second display area.

2. The display device of claim 1 , wherein
the first and second signal lines are disposed in the first display area in each of the pixel columns.

3. The display device of claim 1 , wherein
the plurality of second pixel areas and the plurality of transmission areas are arranged in a checkerboard pattern in the second display area.

4. The display device of claim 1 , wherein
the first and second signal lines are data lines transmitting a data signal.

5. The display device of claim 1 , wherein
each of the plurality of second pixel areas includes at least one pixel electrode, and the plurality of transmission areas do not include a pixel electrode.

6. The display device of claim 5 , wherein
the second display area includes a plurality of scan lines and a voltage line disposed in a same layer as the at least one pixel electrode, and
the voltage line includes a portion which overlaps at least one of the plurality of scan lines and extends side by side therewith in at least one of the plurality of transmission areas.

7. The display device of claim 1 , wherein
pixels of each of the pixel columns among the plurality of pixels are alternately connected to the first and second signal lines one by one.

8. The display device of claim 1 , wherein
sizes of the plurality of second pixel areas and sizes of the plurality of transmission areas are the same.

9. The display device of claim 1 , wherein
a size of at least one of the plurality of transmission areas is larger than that of each of the plurality of second pixel areas.

10. The display device of claim 1 , wherein
each of the plurality of second pixel areas includes at least one of a red pixel, a green pixel, and a blue pixel.

11. The display device of claim 10 , wherein
each of the plurality of second pixel areas includes one red pixel, one blue pixel, and two green pixels.

12. The display device of claim 10 , wherein
the second display area displays a single color.

13. The display device of claim 1 , further comprising
an optical member overlapping the second display area.

14. A display device comprising:
a first display area including a plurality of first pixel areas;
a second display area including a plurality of second pixel areas and a plurality of transmission areas;
a plurality of pixels arranged in a matrix form in the first and second display areas;
a plurality of scan lines extending in a first direction in the first and second display areas;
a first signal line and a second signal line extending in a second direction crossing the first direction in the plurality of pixels and overlapping each pixel column of a plurality of pixel columns; and
an optical member overlapping the second display area,
wherein in each of the pixel columns, a number of pixels overlapping one of the first and second signal lines is greater than a number of pixels overlapping a remaining one of the first and second signal lines,
wherein two pairs of the first and second signal lines correspond to each pair of contiguous pixel columns in the first display area, and
wherein in each of the pixel columns, both the first and second signal lines overlap each pixel in the first display area and only one of the first and second signal lines overlaps each pixel in the second display area.

15. The display device of claim 14 , wherein
the plurality of second pixel areas and the plurality of transmission areas are alternately disposed in the first direction and the second direction one by one.

16. The display device of claim 15 , wherein
each of the plurality of second pixel areas includes at least one pixel electrode, and the plurality of transmission areas do not include a pixel electrode.

17. The display device of claim 16 , wherein
the second display area includes a plurality of scan lines and a voltage line disposed in the same layer as the at least one pixel electrode, and
the voltage line of the transmission area includes a portion which overlaps at least one of the plurality of scan lines and extends side by side therewith.

18. The display device of claim 15 , wherein
the first and second signal lines are data lines which transmit a data signal, and
pixels of each of the pixel columns among the plurality of pixels are alternately connected to the first and second signal lines one by one.

19. The display device of claim 15 , wherein
sizes of the plurality of second pixel areas and sizes of the plurality of transmission areas are the same.

20. The display device of claim 15 , wherein
a size of at least one of the plurality of transmission areas is larger than that of each of the plurality of second pixel areas.

Assignees

• Samsung Display Co Ltd

Inventors

• Choi Jun Won
• Kim Jae Won
• Min Jun Young

Classifications

• G09G3/3258

  with pixel circuitry controlling the voltage across the light-emitting element · CPC title

• G09G2360/144

  the light being ambient light · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G5/10 Primary

  Intensity circuits · CPC title

• G09G2310/0297

  Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns · CPC title