Pixel structure and display method thereof, and display device

Patent metadata

Field	Value
Publication number	US-9697760-B2
Application number	US-201514769610-A
Country	US
Kind code	B2
Filing date	Jan 20, 2015
Priority date	Sep 30, 2014
Publication date	Jul 4, 2017
Grant date	Jul 4, 2017

Abstract

The invention provides a pixel structure and a display method thereof, and a display device including the pixel structure. The pixel structure comprises first pixel units and second pixel units which are sequentially arranged in staggered positions, wherein the first pixel unit comprises a first sub-pixel and a second sub-pixel arranged in an oblique line, and the second pixel unit comprises a third sub-pixel and a fourth sub-pixel arranged in an oblique line, and wherein the first sub-pixel and the third sub-pixel have different basic colors, and the second sub-pixel and the fourth sub-pixel have the same basic color.

First claim

The invention claimed is:

1. A pixel structure, comprising first pixel units and second pixel units which are sequentially arranged in staggered positions,
wherein the first pixel unit comprises a first sub-pixel and a second sub-pixel arranged in an oblique line, and the second pixel unit comprises a third sub-pixel and a fourth sub-pixel arranged in an oblique line,
wherein the first sub-pixel and the third sub-pixel have different basic colors, and the second sub-pixel and the fourth sub-pixel have the same basic color, and
wherein the first pixel unit additionally uses at least one of the third sub-pixels from adjacent second pixel units to display, and the second pixel unit additionally uses at least one of the first sub-pixels from adjacent first pixel units to display, so that both of the first pixel unit and the second pixel unit are capable of displaying the pixel display information for sub-pixels of three basic colors.

2. The pixel structure according to claim 1 , wherein the first pixel units and the second pixel units are alternately arranged in a row direction and a column direction, and both the first pixel units in two adjacent rows and the second pixel units in two adjacent rows are arranged to stagger one pixel unit distance in the row direction, and both the first pixel units in two adjacent columns and the second pixel units in two adjacent columns are arranged to stagger one pixel unit distance in the column direction.

3. The pixel structure according to claim 2 , wherein the first sub-pixels and the second sub-pixels in the first pixel units are disposed in adjacent two rows and adjacent two columns of sub-pixels, and the third sub-pixels and the fourth sub-pixels in the second pixel units are disposed in adjacent two rows and adjacent two columns of sub-pixels, so that the first sub-pixels and the third sub-pixels are arranged alternately in turn in the row or column direction respectively, and the second sub-pixels and the fourth sub-pixels are arranged alternately in turn in the row or column direction, respectively.

4. The pixel structure according to claim 3 , wherein
the first sub-pixels and the third sub-pixels are alternately disposed in odd rows and odd columns, and the second sub-pixels and the fourth sub-pixels are alternately disposed in even rows and even columns; or,
the first sub-pixels and the third sub-pixels are alternately disposed in odd rows and even columns, and the second sub-pixels and the fourth sub-pixels are alternately disposed in even rows and odd columns; or,
the first sub-pixels and the third sub-pixels are alternately disposed in even rows and odd columns, and the second sub-pixels and the fourth sub-pixels are alternately disposed in odd rows and even columns; or,
the first sub-pixels and the third sub-pixels are alternately disposed in even rows and even columns, and the second sub-pixels and the fourth sub-pixels are alternately disposed in odd rows and odd columns.

5. The pixel structure according to claim 4 , wherein centers of the first sub-pixels and the third sub-pixels located in the same row or column are in the same line, and centers of the second sub-pixels and the fourth sub-pixels located in the same row or column are in the same line; and
wherein the first sub-pixels, the second sub-pixels, the third sub-pixels and the fourth sub-pixels are arranged uniformly.

6. The pixel structure according to claim 5 , wherein,
in the same column, the center of the first sub-pixel is located in the perpendicular bisector of a line connecting the centers of two third sub-pixels adjacent to the first sub-pixel;
in the same row, the center of the first sub-pixel is located in the perpendicular bisector of a line connecting the centers of two third sub-pixels adjacent to the first sub-pixel;
in the same column, the center of the third sub-pixel is located in the perpendicular bisector of a line connecting the centers of two first sub-pixels adjacent to the third sub-pixel; and
in the same row, the center of the third sub-pixel is located in the perpendicular bisector of a line connecting the centers of two first sub-pixels adjacent to the third sub-pixel.

7. The pixel structure according to claim 6 , wherein the second sub-pixel or the fourth sub-pixel is located in a direction of an oblique angle of 45 degree with respect to the first sub-pixel or the third sub-pixel.

8. The pixel structure according to claim 7 , wherein area of the second sub-pixel is the same as that of the fourth sub-pixel, and area of the first sub-pixel is the same as that of the third sub-pixel and greater than that of the second sub-pixel; or, area of the second sub-pixel is the same as that of the fourth sub-pixel, area of the third sub-pixel is greater than that of the first sub-pixel, and area of the first sub-pixel is greater than that of the second sub-pixel.

9. The pixel structure according to claim 8 , wherein distance between the first sub-pixel and the second sub-pixel adjacent to each other is equal to distance between the third sub-pixel and the fourth sub-pixel adjacent to each other, and distance between the first sub-pixel and the third sub-pixel adjacent to each other is less than distance between the second sub-pixel and the fourth sub-pixel adjacent to each other.

10. The pixel structure according to claim 1 , wherein the basic colors comprise red, green and blue, the basic color of the first sub-pixel is red, the basic color of the third sub-pixel is blue, and the basic colors of the second and the fourth sub-pixels are green.

11. The pixel structure according to claim 1 , wherein each of the shapes of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel is an axial-symmetric pattern with a symmetry axis extending in the direction in parallel to the row or column direction.

12. The pixel structure according to claim 11 , wherein the shapes of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are any one of round shape, triangular shape, quadrangular shape, pentagonal shape, hexagonal shape or octagonal shape or a combination thereof.

13. The pixel structure according to claim 11 , wherein the first sub-pixel and the third sub-pixel have quadrilateral or octagonal shape and the shapes of the first sub-pixel and the third sub-pixel are the same, and the second sub-pixel and the fourth sub-pixel have quadrilateral or octagonal shape and the shapes of the second sub-pixel and the fourth sub-pixel are the same.

14. The pixel structure according to claim 1 , wherein the first sub-pixel and the second sub-pixel in the first pixel unit are connected to two data lines respectively, and the third sub-pixel and the fourth sub-pixel in the second pixel unit are connected to two data lines respectively, the data lines being used to receive the pixel display information.

15. A display method of the pixel structure according to claim 1 .

16. The display method according to claim 15 , comprising:
Step S1: from the data source of pixel display information, obtaining theoretical brightness values of colors corresponding to the basic colors of the first sub-pixel and the second sub-pixel in the first pixel unit, and obtaining theoretical brightness values of colors corresponding to the basic colors of the third sub-pixel and the fourth sub-pixel in the second pixel unit;
Step S2: obtaining actual brightness values of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel by calculation; and
Step S3: inputting the actual brightness values into the first sub-pixel, th

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wang Hongli

Classifications

• G09G2300/0452

  Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components · CPC title

• G09G2320/0242

  Compensation of deficiencies in the appearance of colours · CPC title

• G09G2300/0465

  Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness · CPC title

• G09G3/3208 Primary

  organic, e.g. using organic light-emitting diodes [OLED] · CPC title

• G02F2201/52

  RGB geometrical arrangements · CPC title