Display apparatus, control module thereof and drive method therefor

Patent metadata

Field	Value
Publication number	US-12579953-B2
Application number	US-202218995585-A
Country	US
Kind code	B2
Filing date	Dec 14, 2022
Priority date	Dec 14, 2022
Publication date	Mar 17, 2026
Grant date	Mar 17, 2026

Abstract

A display apparatus, a control module thereof and a drive method therefor, belonging to the technical field of display. The display apparatus includes a display panel having sub-pixels arranged out of sequence. The display apparatus can display a target picture according to received picture data of an initial picture. The display apparatus is configured to: when the initial picture has at least one feature pattern region, adjust the brightness of at least part of sub-pixels in the feature pattern region, so as to generate a target picture.

First claim

What is claimed is:

1 . A display device, comprising a display panel; wherein the display device is capable of displaying a target picture based on picture data of a received initial picture, and the display device is configured to adjust, when the initial picture comprises a feature pattern area, brightness of at least some sub-pixels of the feature pattern area to generate the target picture;
wherein the feature pattern area comprises at least one of a first feature pattern area, a second feature pattern area or a third feature pattern area; the first feature pattern area comprises a plurality of first feature pixel groups sequentially arranged along a column direction, and a first feature pixel group comprises a first feature pixel, a second feature pixel and a third feature pixel sequentially adjacent in a same row; a brightness difference between the first feature pixel and the second feature pixel is greater than or equal to a brightness threshold, and a brightness difference between the third feature pixel and the second feature pixel is greater than or equal to the brightness threshold; individual first feature pixels are arranged in a same column; the second feature pattern area comprises a plurality of second feature pixel groups sequentially arranged along the column direction, and a second feature pixel group comprises a fourth feature pixel, a fifth feature pixel and a sixth feature pixel sequentially adjacent in a same row; a brightness difference between the fourth feature pixel and the fifth feature pixel is greater than or equal to the brightness threshold, and a brightness difference between the sixth feature pixel and the fifth feature pixel is less than the brightness threshold; individual fourth feature pixels are arranged in a same column; the third feature pattern area comprises a first sub-pixel group, a second sub-pixel group and a third sub-pixel group sequentially adjacent along a row direction; the second sub-pixel group comprises three sub-pixel sequentially adjacent along the row direction, and the first sub-pixel group and the third sub-pixel group each comprise a plurality of sub-pixels sequentially adjacent along the row direction; in the first sub-pixel group, gray scales of individual same-color sub-pixels are the same, and a number of sub-pixels in any the same color is N 1 , in the third sub-pixel group, gray scales of individual same-color sub-pixels are the same, and a number of sub-pixels in any the same color is N 2 , where N 1 and N 2 are positive integers from 1 to 1000; a brightness difference between a pixel in the second sub-pixel group and a pixel in the first sub-pixel group is greater than or equal to the brightness threshold, and a brightness difference between the pixel in the second sub-pixel group and a pixel in the third sub-pixel group is greater than or equal to the brightness threshold; when the first feature pattern area is adjusted, Gx(SA 1 ) is between G(SA 1 ) and G(SA 10 ), where Gx(SA 1 ) is a gray scale of a first correction sub-pixel in the target picture, G(SA 1 ) is a gray scale of the first correction sub-pixel in the initial picture, and G(SA 10 ) is a gray scale of a reference sub-pixel of the first correction sub-pixel; according to an arrangement mode of sub-pixels on the display panel, the first correction sub-pixel is a sub-pixel of the first feature pixel that is close to the second feature pixel, and the reference sub-pixel of the first correction sub-pixel is a sub-pixel located in the second feature pixel adjacent to the first correction sub-pixel and having the same color as the first correction sub-pixel; Gx(SA 2 ) is between G(SA 2 ) and G(SA 20 ), where Gx(SA 2 ) is a gray scale of a second correction sub-pixel in the target picture, G(SA 2 ) is a gray scale of the second correction sub-pixel in the initial picture, and G(SA 20 ) is a gray scale of a reference sub-pixel of the second correction sub-pixel; according to the arrangement mode of the sub-pixels on the display panel, the second correction sub-pixel is a sub-pixel of the third feature pixel that is close to the second feature pixel, and the reference sub-pixel of the second correction sub-pixel is a sub-pixel located in the second feature pixel adjacent to the second correction sub-pixel and having the same color as the second correction sub-pixel; when the second feature pattern area is adjusted, Gx(SB 1 ) is between G(SB 1 ) and G(SB 10 ), where Gx(SB 1 ) is a gray scale of a third correction sub-pixel in the target picture, G(SB 1 ) is a gray scale of the third correction sub-pixel in the initial picture, and G(SB 10 ) is a gray scale of a reference sub-pixel of the third correction sub-pixel; according to the arrangement mode of the sub-pixels on the display panel, the third correction sub-pixel is a sub-pixel of the fourth feature pixel that is close to the fifth feature pixel, and the reference sub-pixel of the third correction sub-pixel is a sub-pixel located in the fifth feature pixel adjacent to the third correction sub-pixel and having the same color as the third correction sub-pixel; and when the third feature pattern area is adjusted, Gx(SC 1 ) is between G(SC 1 ) and G(SC 10 ), where Gx(SC 1 ) is a gray scale of a fourth correction sub-pixel in the target picture, G(SC 1 ) is a gray scale of the fourth correction sub-pixel in the initial picture, and G(SC 10 ) is a gray scale of a reference sub-pixel of the fourth correction sub-pixel; according to the arrangement mode of the sub-pixels on the display panel, the fourth correction sub-pixel is a sub-pixel in the first feature pixel group that is close to the second feature pixel group, and the reference sub-pixel of the fourth correction sub-pixel is a sub-pixel in the second sub-pixel group that has the same color as the fourth correction sub-pixel; Gx(SC 2 ) is between G(SC 2 ) and G(SC 20 ), where Gx(SC 2 ) is a gray scale of a fifth correction sub-pixel in the target picture, G(SC 2 ) is a gray scale of the fifth correction sub-pixel in the initial picture, and G(SC 20 ) is a gray scale of a reference sub-pixel of the fifth correction sub-pixel; according to the arrangement mode of the sub-pixels on the display panel, the fifth correction sub-pixel is a sub-pixel in the third sub-pixel group that is close to the second sub-pixel group, and the reference sub-pixel of the fifth correction sub-pixel is a sub-pixel in the second sub-pixel group that has the same color as the fifth correction sub-pixel.

2 . The display device according to claim 1 , wherein gray scales of individual sub-pixel of a feature pixel are the same in the initial picture; and
wherein the reference sub-pixel of the first correction sub-pixel is any one or more sub-pixels located in the second feature pixel adjacent to the first correction sub-pixel, or a sub-pixel located in the second feature pixel and adjacent to the first correction sub-pixel; the reference sub-pixel of the second correction sub-pixel is any one or more sub-pixels located in the second feature pixel adjacent to the second correction sub-pixel, or a sub-pixel located in the second feature pixel and adjacent to the second correction sub-pixel; and the reference sub-pixel of the third correction sub-pixel is any one or more sub-pixels located in the fifth feature pixel adjacent to the third correction sub-pixel, or a sub-pixel located in the fifth feature pixel and adjacent to the third correction sub-pixel.

3 . The display device according to claim 1 , wherein gray scales of individual sub-pixels in the second sub-pixel group are the same;
the reference sub-pixel of the fourth correction sub-pixel is any one or more sub-pixels located in the second sub-pixel group, or a sub-pixel located in the second sub-pixel group and adjacent to the fourth correction sub-pixel; and the reference sub-pixel of the fifth

Assignees

• Beijing Boe Display Tech Co
• Boe Technology Group Co Ltd

Inventors

• Zhao Yucheng
• Su Junning
• Meng Zhiming
• Li Shou
• He Jianzi
• Li Minghan
• Lv Jialing
• Chao He
• Niu Hanzhang
• Liu Jianyang

Classifications

• G09G2320/0686

  with two or more screen areas displaying information with different brightness or colours · CPC title

• G09G2320/0646

  Modulation of illumination source brightness and image signal correlated to each other · CPC title

• G09G2320/029

  by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel · CPC title

• G09G2320/0233

  Improving the luminance or brightness uniformity across the screen · CPC title

• G09G2300/0452

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