Processing circuit of display panel, display method, and display device

Patent metadata

Field	Value
Publication number	US-10884489-B2
Application number	US-201715753455-A
Country	US
Kind code	B2
Filing date	Aug 10, 2017
Priority date	Jan 3, 2017
Publication date	Jan 5, 2021
Grant date	Jan 5, 2021

Abstract

The present disclosure provides a processing circuit of a display panel, a display method and a display device. The processing circuit includes: a line-of-sight acquisition module configured to track an eyeball of each eye, to determine a concern region of line of sight on the display panel and a region other than the concern region; a control module configured to acquire original image data of an image to be displayed on the display panel, subject first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and output first image generation data corresponding to the concern region and second image generation data corresponding to the other region and having a resolution smaller than the first image generation data; and a display signal output module configured to output a display signal to the display panel in accordance with the first image generation data and the second image generation data.

First claim

What is claimed is:

1. A processing circuit of a display panel, comprising:
a line-of-sight acquisition module configured to track an eyeball of each eye, to determine a concern region of line of sight on the display panel and a region other than the concern region on the display panel;
a control module configured to acquire original image data of an image to be displayed on the display panel, subject first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and output first image generation data corresponding to the concern region and second image generation data corresponding to the other region and having a resolution smaller than the first image generation data; and
a display signal output module configured to output a display signal to the display panel in accordance with the first image generation data and the second image generation data,
wherein the control module comprises:
an original image data acquisition unit configured to acquire the original image data of the image to be displayed on the display panel, and determine the first original image data corresponding to the concern region and the second original image data corresponding to the other region; and
a processing unit configured to, in the case that a resolution of the original image data is greater than a first threshold, subject the first original image data to BV3 algorithm treatment to acquire the first image generation data corresponding to the concern region and subject an image corresponding to the second original image data to reduction treatment to acquire the second image generation data corresponding to the other region, and in the case that the resolution of the original image data is smaller than a second threshold smaller than the first threshold, enlarge an image corresponding to the first original image data, subject the enlarged image to the BV3 algorithm treatment to acquire the first image generation data corresponding to the concern region, and directly output the second original image data as the second image generation data,
wherein the BV3 algorithm is an algorithm configured to performed weighted calculation on image data of original adjacent pixels to acquire image generation data having a resolution half of the original image data.

2. The processing circuit according to claim 1 , wherein the line-of-sight acquisition module comprises:
a face identification unit configured to extract a face through a face detection algorithm, acquire a face region, and determine a deflection angle of the face;
an eye identification unit configured to detect an eye feature at the face region, to acquire an eye region and determine a distance between the eye and the display panel;
an offset calculation unit configured to determine a center of a pupil of each eye at the eye region, and calculate a movement amount of the center of the pupil of each eye;
a direction vector calculation unit configured to calculate a direction vector of the line of sight of each eye in accordance with the movement amount of the center of the pupil of each eye and the deflection angle of the face; and
a concern region determination unit configured to calculate the concern region of the line of sight and the region other than the concern region in accordance with the direction vector of the line of sight and space coordinates of each eye relative to the display panel.

3. The processing circuit according to claim 1 , wherein after the processing unit has subjected the image corresponding to the second original image data to the reduction treatment to acquire the second image generation data corresponding to the other region, the display signal output module is further configured to output to the display panel a display signal for displaying the second image generation data in a resolution-reduced mode.

4. A display device, comprising a display panel and the processing circuit according to claim 1 .

5. The display device according to claim 4 , wherein the control module is integrated into a Central Processing Unit (CPU) of the display device and the display signal output module is integrated into a driver Integrated Circuit (IC) of the display panel, or both the control module and the display signal output module are integrated into the driver IC of the display panel.

6. The display device according to claim 5 , wherein a base substrate of the display panel is a silicon substrate, and the driver IC of the display panel is integrated into the silicon substrate.

7. The display device according to claim 6 , wherein the display device is a head-mounted display device.

8. The display device according to claim 5 , wherein the display device is a head-mounted display device.

9. The display device according to claim 4 , wherein the display device is a head-mounted display device.

10. The display device according to claim 4 , wherein the line-of-sight acquisition module comprises:
a face identification unit configured to extract a face through a face detection algorithm, acquire a face region, and determine a deflection angle of the face;
an eye identification unit configured to detect an eye feature at the face region, to acquire an eye region and determine a distance between the eye and the display panel;
an offset calculation unit configured to determine a center of a pupil of each eye at the eye region, and calculate a movement amount of the center of the pupil of each eye;
a direction vector calculation unit configured to calculate a direction vector of the line of sight of each eye in accordance with the movement amount of the center of the pupil of each eye and the deflection angle of the face; and
a concern region determination unit configured to calculate the concern region of the line of sight and the region other than the concern region in accordance with the direction vector of the line of sight and space coordinates of each eye relative to the display panel.

11. A display method for use in the display panel according to claim 1 , comprising steps of:
tracking an eyeball of each eye to determine a concern region of line of sight on the display panel and a region other than the concern region;
acquiring original image data of an image to be displayed on the display panel, subjecting first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and outputting first image generation data corresponding to the concern region and second image generation data corresponding to the other region and having a resolution smaller than the first image generation data; and
outputting a display signal to the display panel in accordance with the first image generation data and the second image generation data,
wherein the display panel comprises subpixels arranged in a plurality of rows, the subpixels in two adjacent rows are arranged in such a staggered manner that a staggered distance between each two adjacent rows is equal to a half width of the subpixel, and each subpixel in one row is in a color different from two subpixels in the adjacent row closest to the subpixel,
wherein the step of acquiring original image data of an image to be displayed on the display panel, subjecting first original image data corresponding to the concern region and/or second original image data corresponding to the other region to treatment, and outputting first image generation data corresponding to the concern region and second image generation data corresponding to the other region comprises:
acquiring the original image data of the image to be displayed on the display panel, and determining the fi

Assignees

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

Inventors

• Shi Tiankuo
• Dong Xue
• Chen Dong
• Zhang Xiaomang
• Sun Wei
• Zhang Hao
• Shi Lingyun
• Xie Xiaobo
• Xue Zijiao
• Gao Bo
• Li Yafei
• Liu Jinxing
• Li Yan
• Li Yue
• Chen Xiangyi
• Xu Shuaishuai
• Chen Xiaochuan
• Yang Shengji

Classifications

• G06V40/193

  Preprocessing; Feature extraction · CPC title

• G06V40/168

  Feature extraction; Face representation · CPC title

• G09G2320/0261

  in the context of movement of objects on the screen or movement of the observer relative to the screen · CPC title

• G09G2340/0407

  Resolution change, inclusive of the use of different resolutions for different screen areas · CPC title

• G09G3/3208 Primary

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