DISPLAY SUBSTRATE AND DRIVING METHOD THEREOF AS WELL AS DISPLAY APPARATUS

• US 20160372019A1
• Filed: 07/17/2015
• Published: 12/22/2016
• Est. Priority Date: 02/13/2015
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Jin, Xiaodan, Zhang, Lintao
• Granted Patent: US 9,881,539 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2300/0452 Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• CPC Class Codes: G09G 2300/0465 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 Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/2003 Display of colours specific for liquid crystal displays G09G3/3607

Abstract

A display substrate and a driving method thereof as well as a display apparatus. The display substrate comprises pixel groups which are arranged repeatedly, each pixel group comprising a first sub-pixel group and a second sub-pixel group, each comprising four pixel columns. The present invention reduces the number of sub-pixels in the whole display apparatus. Therefore, on a premise of ensuring that the display apparatus achieves a relatively high resolution, the fabrication difficulty of the display apparatus is reduced, and the cost is lowered.

Claims

1-12. -12. (canceled)

13. A display substrate, comprising pixel groups which are arranged repeatedly, each pixel group comprising a first sub-pixel group and a second sub-pixel group, and said first sub-pixel group and said second sub-pixel ground both comprising four pixel columns;

wherein

two first sub-pixels which are sequentially arranged are disposed in a first pixel column of said first sub-pixel group, one second sub-pixel is disposed in a second pixel column of said first sub-pixel group, one third sub-pixel is disposed in a third pixel column in said first sub-pixel group, and two second sub-pixels which are sequentially arranged are disposed in a fourth pixel column of said first sub-pixel group, wherein said second sub-pixel in said second pixel column corresponds to said two first sub-pixels in said first pixel column, and said third sub-pixel in said third pixel column corresponds to said two second sub-pixels in said fourth pixel column; and

one third sub-pixel is disposed in a first pixel column of said second sub-pixel group, two second sub-pixels which are sequentially arranged are disposed in a second pixel column of said second sub-pixel group, two first sub-pixels which are sequentially arranged are disposed in a third pixel column of said second sub-pixel group, and one second sub-pixel is disposed in a fourth pixel column of said second sub-pixel group, wherein said third sub-pixel in said first pixel column corresponds to said two second sub-pixels in said second pixel column, and said second sub-pixel in said fourth pixel column corresponds to said two first sub-pixels in said third pixel column.

14. The display substrate according to claim 13, wherein said first sub-pixel group and said second sub-pixel group are disposed in an overlying relation, and wherein individual pixel columns in said first sub-pixel group are disposed corresponding to individual pixel columns in said second sub-pixel group.

15. The display substrate according to claim 13, wherein in said first sub-pixel group, said second sub-pixel in said second pixel column and said third sub-pixel in said third pixel column are located in the same pixel row.

16. The display substrate according to claim 13, wherein in said first sub-pixel group, a light emitting center of said second sub-pixel in said second pixel column and a midpoint of a connecting line between light emitting centers of said two first sub-pixels in said first pixel column are located on the same straight line in a row direction, and a light emitting center of said third sub-pixel in said third pixel column and a midpoint of a connecting line between light emitting centers of said two second sub-pixels in said fourth pixel column are located on the same straight line in a row direction.

17. The display substrate according to claim 13, wherein in said second sub-pixel group, said third sub-pixel in said first pixel column and said second sub-pixel in said fourth pixel column are located in the same pixel row.

18. The display substrate according to claim 13, wherein in said second sub-pixel group, a light emitting center of said third sub-pixel in said first pixel column and a midpoint of a connecting line between light emitting centers of said two second sub-pixels in said second pixel column are located on the same straight line in a row direction, and a light emitting center of said second sub-pixel in said fourth pixel column and a midpoint of a connecting line between light emitting centers of said two first sub-pixels in said third pixel column are located on the same straight line in a row direction.

19. A display apparatus, comprising the display substrate according to claim 13.

20. A display apparatus, comprising the display substrate according to claim 14.

21. A display apparatus, comprising the display substrate according to claim 15.

22. A display apparatus, comprising the display substrate according to claim 16.

23. A display apparatus, comprising the display substrate according to claim 17.

24. A display apparatus, comprising the display substrate according to claim 18.

25. A method for driving the display substrate according to claim 13, comprising:

according to input values for corresponding sub-pixels in said first sub-pixel group, respectively generating output values for said two first sub-pixels in said first pixel column, an output value for said one second sub-pixel in said second pixel column, an output value for said one third sub-pixel in said third pixel column and output values for said two second sub-pixels in said fourth pixel column;

respectively outputting said output values for said two first sub-pixels in said first pixel column, said output value for said one second sub-pixel in said second pixel column, said output value for said one third sub-pixel in said third pixel column and said output values for said two second sub-pixels in said fourth pixel column, which are generated as above;

according to input values for corresponding sub-pixels in said second sub-pixel group, respectively generating an output value for said one third sub-pixel in said first pixel column, output values for said two second sub-pixels in said second pixel column, output values for said two first sub-pixels in said third pixel column, and an output value for said one second sub-pixel in said fourth pixel column; and

respectively outputting said output value for said one third sub-pixel in said first pixel column, said output values for said two second sub-pixels in said second pixel column, said output values for said two first sub-pixels in said third pixel column, and said output value for said one second sub-pixel in said fourth pixel column, which are generated as above.

26. The method according to claim 25, wherein the step of, according to input values for corresponding sub-pixels in said first sub-pixel group, respectively generating output values for said two first sub-pixels in said first pixel column, an output value for said one second sub-pixel in said second pixel column, an output value for said one third sub-pixel in said third pixel column and output values for said two second sub-pixels in said fourth pixel column, comprises:

according to two first sub-pixel input values corresponding to each first sub-pixel in said first pixel column of said first sub-pixel group, generating an output value for each first sub-pixel in said first pixel column;

according to two second sub-pixel input values corresponding to said second sub-pixel in said second pixel column of said first sub-pixel group, generating an output value for said second sub-pixel in said second pixel column;

according to four third sub-pixel input values corresponding to said third sub-pixel in said third pixel column of said first sub-pixel group, generating an output value for said third sub-pixel in said third pixel column; and

according to a second sub-pixel input value corresponding to each second sub-pixel in said fourth pixel column of said first sub-pixel group, generating an output value for each second sub-pixel in said fourth pixel column.

27. The method according to claim 26, wherein

the step of, according to two first sub-pixel input values corresponding to each first sub-pixel in said first pixel column of said first sub-pixel group, generating an output value for each first sub-pixel in said first pixel column, comprises:

by dividing a sum of two first sub-pixel input values corresponding to each first sub-pixel in said first pixel column of said first sub-pixel group by two, generating an output value for each first sub-pixel in said first pixel column;

the step of, according to two second sub-pixel input values corresponding to said second sub-pixel in said second pixel column of said first sub-pixel group, generating an output value for said second sub-pixel in said second pixel column, comprises;

by dividing a sum of two second sub-pixel input values corresponding to said second sub-pixel in said second pixel column of said first sub-pixel group by two, generating an output value for said second sub-pixel in said second pixel column;

the step of, according to four third sub-pixel input values corresponding to said third sub-pixel in said third pixel column of said first sub-pixel group, generating an output value for said third sub-pixel in said third pixel column, comprises;

by dividing a sum of the four third sub-pixel input values corresponding to said third sub-pixel in said third pixel column of said first sub-pixel group by four, generating an output value for said third sub-pixel in said third pixel column; and

the step of, according to a second sub-pixel input value corresponding to each second sub-pixel in said fourth pixel column of said first sub-pixel group, generating an output value for each second sub-pixel in said fourth pixel column, comprises;

setting a second sub-pixel input value corresponding to each second sub-pixel in said fourth pixel column of said first sub-pixel group to an output value for each second sub-pixel in said fourth pixel column.

28. The method according to claim 25, wherein the step of, according to input values for corresponding sub-pixels in said second sub-pixel group, respectively generating an output value for said one third sub-pixel in said first pixel column, output values for said two second sub-pixels in said second pixel column, output values for said two first sub-pixels in said third pixel column, and an output value for said one second sub-pixel in said fourth pixel column, comprises:

according to four third sub-pixel input values corresponding to said third sub-pixel in said first pixel column of said second sub-pixel group, generating an output value for said third sub-pixel in said first pixel column;

according to a second sub-pixel input value corresponding to each second sub-pixel in said second pixel column of said second sub-pixel group, generating an output value for each second sub-pixel in said second pixel column;

according to two first sub-pixel input values corresponding to each first sub-pixel in said third pixel column of said second sub-pixel group, generating an output value for each first sub-pixel in said third pixel column; and

according to two second sub-pixel input values corresponding to said second sub-pixel in said fourth pixel column of said second sub-pixel group, generating an output value for said second sub-pixel in said fourth pixel column.

29. The method according to claim 28, wherein

the step of, according to four third sub-pixel input values corresponding to said third sub-pixel in said first pixel column of said second sub-pixel group, generating an output value for said third sub-pixel in said first pixel column, comprises:

by dividing a sum of four third sub-pixel input values corresponding to said third sub-pixel in said first pixel column of said second sub-pixel group by four, generating an output value for said third sub-pixel in said first pixel column;

the step of, according to a second sub-pixel input value corresponding to each second sub-pixel in said second pixel column of said second sub-pixel group, generating an output value for each second sub-pixel in said second pixel column, comprises;

setting a second sub-pixel input value corresponding to each second sub-pixel in said second pixel column of said second sub-pixel group to an output value for each second sub-pixel in said second pixel column;

the step of, according to two first sub-pixel input values corresponding to each first sub-pixel in said third pixel column of said second sub-pixel group, generating an output value for each first sub-pixel in said third pixel column, comprises;

by dividing a sum of two first sub-pixel input values corresponding to each first sub-pixel in said third pixel column of said second sub-pixel group by two, generating an output value for each first sub-pixel in said third pixel column; and

the step of, according to two second sub-pixel input values corresponding to said second sub-pixel in said fourth pixel column of said second sub-pixel group, generating an output value for said second sub-pixel in said fourth pixel column, comprises;

by dividing a sum of two second sub-pixel input values corresponding to said second sub-pixel in said fourth pixel column of said second sub-pixel group by two, generating an output value for said second sub-pixel in said fourth pixel column.