Display method and display device

• US 9,576,519 B2
• Filed: 03/20/2014
• Issued: 02/21/2017
• Est. Priority Date: 02/21/2014
• Status: Active Grant

• Current Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Original Assignee: Beijing BOE Optoelectronics Technology Co Ltd. (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Inventors: Guo, Renwei, Dong, Xue
• Primary Examiner(s): Dharia, Prabodh M
• Application Number:
  US14/421,978
• Publication Number:
  US 20160027359A1
• Time in Patent Office: 1,069 Days
• Field of Search: 345/55, 345/83, 345/88, 345/419, 345/589, 345690-694, 719/313, 348/51, 348/54, 348/302, 313/504
• US Class Current: 1/1
• 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 2340/0457 Improvement of perceived resolution by subpixel rendering
• CPC Class Codes: G09G 2360/16 Calculation or use of calculated indices related to luminance levels in display data
• 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

The invention provides a display method and a display device. The display method in the invention is applicable to a display panel comprising multiple rows of sub-pixels, each row of sub-pixels are formed of sub-pixels of various colors which are alternately and circularly arranged, the sub-pixels in each row are arranged in the same order, and in column direction, sub-pixels of the same color are not adjacent, wherein the display method comprises steps of: S1, generating a primary image based on image information, the primary image is formed of virtual pixels arranged in a matrix, each virtual pixel is formed of sub-pixels of different colors and size of the virtual pixel is the same as that of the sub-pixel of the display panel; S2, calculating a display component of each sub-pixel by using primary components of sampling virtual sub-pixels of the sub-pixel.

Claims

1. A display method, which is applicable to a display panel comprising multiple rows of sub-pixels, each row of sub-pixels are formed of sub-pixels of various colors which are alternately and circularly arranged, the sub-pixels in each row are arranged in the same order, and in column direction, sub-pixels of the same color are not adjacent, wherein the display method comprises steps of:

S1, generating a primary image based on image information, wherein the primary image is formed of virtual pixels arranged in a matrix, each of the virtual pixels is formed of sub-pixels of different colors and size of the virtual pixel is the same as that of the sub-pixel of the display panel;

S2, calculating a display component of each sub-pixel by using primary components of sampling virtual sub-pixels of the sub-pixel, wherein sampling virtual sub-pixels of one sub-pixel include multiple virtual sub-pixels, which are adjacent to a corresponding position of the one sub-pixel in the primary image and have the same color as the one sub-pixel.

2. The display method of claim 1, wherein both of the sub-pixel and the virtual pixel are square.

3. The display method of claim 2, wherein the step S2 comprises:

multiplying primary components of respective sampling virtual sub-pixels of one sub-pixel by weight coefficients of the respective sampling virtual sub-pixels, and adding them up to obtain a display component of the sub-pixel.

4. The display method of claim 1, wherein the display panel consists of a plurality of pixels, and each of the pixels comprises multiple sub-pixels, which are adjacent and have different colors, and

wherein the sampling virtual sub-pixels of one sub-pixel comprise a virtual pixel, which has the same color as the one sub-pixel and corresponds to a corresponding position of a pixel including the one sub-pixel in the primary image.

5. The display method of claim 4, wherein the sampling virtual sub-pixels of one sub-pixel further comprise at least one virtual sub-pixel, which has the same color as the one sub-pixel and is adjacent to a corresponding position of a pixel including the one sub-pixel in the primary image.

6. The display method of claim 5, wherein the step S2 comprises:

multiplying primary components of respective sampling virtual sub-pixels of one sub-pixel by weight coefficients of the respective sampling virtual sub-pixels, and adding them up to obtain a display component of the sub-pixel.

7. The display method of claim 4, wherein

each row of sub-pixels in the display panel are formed of sub-pixels of three colors which are alternately and circularly arranged;

and

each virtual pixel of the primary image consists of three virtual sub-pixels of different colors.

8. The display method of claim 7, wherein

any two adjacent sub-pixels in column direction are staggered by 1/2 sub-pixels in row direction;

and

each pixel includes two adjacent sub-pixels in the same row, and a sub-pixel which is in an adjacent row and is in the middle of the two adjacent sub-pixels in row direction.

9. The display method of claim 7, wherein

any two adjacent sub-pixels in column direction are aligned in row direction, and

each pixel includes two adjacent sub-pixels in the same column, and a sub-pixel which is in an adjacent column and is in the same row as one of the two adjacent sub-pixels.

10. The display method of claim 7, wherein

any two adjacent sub-pixels in column direction are aligned in row direction, and

each pixel includes three continuous sub-pixels in the same row.

11. The display method of claim 7, wherein the step S2 comprises:

multiplying primary components of respective sampling virtual sub-pixels of one sub-pixel by weight coefficients of the respective sampling virtual sub-pixels, and adding them up to obtain a display component of the sub-pixel.

12. The display method of claim 4, wherein the step S2 comprises:

multiplying primary components of respective sampling virtual sub-pixels of one sub-pixel by weight coefficients of the respective sampling virtual sub-pixels, and adding them up to obtain a display component of the sub-pixel.

13. The display method of claim 1, wherein the step S2 comprises:

multiplying primary components of respective sampling virtual sub-pixels of one sub-pixel by weight coefficients of the respective sampling virtual sub-pixels, and adding them up to obtain a display component of the sub-pixel.

14. The display method of claim 13, wherein

a sum of the weight coefficients of the sampling virtual sub-pixels of one sub-pixel is 1.

15. The display method of claim 14, wherein

the sampling virtual sub-pixels of one sub-pixel include a main sampling virtual sub-pixel, which is a virtual sub-pixel and has the same color as the sub-pixel, and which corresponds to a corresponding position of the sub-pixel in the primary image;

and

among the sampling virtual sub-pixels of one sub-pixel, the main sampling virtual sub-pixel has the largest weight coefficient.

16. The display method of claim 15, wherein

the main sampling virtual sub-pixel has a weight coefficient ranging from 0.5 to 0.9.

17. The display method of claim 16, wherein

the sampling virtual sub-pixels of one sub-pixel, except the main sampling virtual sub-pixel, have weight coefficients ranging from −

0.1 to 0.3.

18. A display device comprising a display panel, wherein the display panel comprises pixels arranged in a matrix, which include multiple rows of sub-pixels, each row of sub-pixels are formed of sub-pixels of various colors which are alternately and circularly arranged, the sub-pixels in each row are arranged in the same order, and in column direction, sub-pixels of the same color are not adjacent, wherein the display device further comprising:

a primary image generating module for generating a primary image based on image information, the primary image is formed of virtual pixels arranged in a matrix, each of the virtual pixels is formed of sub-pixels of different colors and size of the virtual sub-pixel is the same as that of the sub-pixel of the display panel;

a display component calculating module for calculating a display component of each sub-pixel by using primary components of sampling virtual sub-pixels of the sub-pixel, wherein sampling virtual sub-pixels of one sub-pixel include multiple virtual sub-pixels, which are adjacent to a corresponding position of the one sub-pixel in the primary image and have the same color as the one sub-pixel; and

a display driving module for driving the sub-pixels of the display panel to display according to their respective display components.