Image display method and display system

Patent metadata

Field	Value
Publication number	US-10037070-B2
Application number	US-201615105144-A
Country	US
Kind code	B2
Filing date	Jan 5, 2016
Priority date	Jul 15, 2015
Publication date	Jul 31, 2018
Grant date	Jul 31, 2018

Abstract

The present invention provides an image display method and a display system, belongs to the field of display technology, and can solve the problem of large power consumption in an existing image display method when displaying images. The image display method of the present invention comprises: determining a utilization ratio of a CPU according to a pre-acquired working parameter of the CPU to a determined result; adjusting a processing frequency of a GPU according to the determined result; and adjusting a resolution of displayed images according to the adjusted processing frequency of the GPU so as to display images.

First claim

The invention claimed is:

1. An image display method of an image display device, the image display method comprising:
determining a utilization ratio of a CPU of the image display device according to a pre-acquired working parameter of the CPU;
adjusting a processing frequency of a GPU of the image display device according to the determined utilization ratio of the CPU; and
before acquiring the working parameter of the CPU, setting a dominant frequency for the GPU,
wherein adjusting the processing frequency of the GPU according to the determined utilization ratio of the CPU comprises:
determining an operation mode of the image display device according to the determined utilization ratio of the CPU, when the determined utilization ratio of the CPU is less than or equal to 30%, the image display device is determined in a static mode, adjusting the processing frequency of the GPU to be smaller than the dominant frequency;
when the determined utilization ratio of the CPU is greater than or equal to 70%, the image display device is determined in a high speed processing mode, adjusting the processing frequency of the GPU to be larger than the dominant frequency; and
when the determined utilization ratio of the CPU is between 30% and 70%, the image display device is determined in a mode between the static mode and the high speed processing mode, keeping the processing frequency of the GPU at the dominant frequency,
wherein the CPU is configured to control operations of the image display device, and the GPU is configured to process data of images displayed by the image display device.

2. The image display method according to claim 1 , wherein the working parameter of the CPU comprises a working frequency.

3. The image display method according to claim 1 , further comprising adjusting a resolution of displayed images according to the adjusted processing frequency of the GPU so as to display images, wherein adjusting the resolution of the displayed images according to the adjusted processing frequency of the GPU comprises:
when the processing frequency of the GPU equals to the dominant frequency, keeping the resolution of the displayed images at an initial resolution;
when the processing frequency of the GPU is smaller than the dominant frequency, adjusting the resolution of the displayed images to be smaller than the initial resolution; and
when the processing frequency of the GPU is larger than the dominant frequency, keeping the resolution of the displayed images at the initial resolution.

4. An image display device, configured to:
determine a utilization ratio of a CPU of the image display device according to a pre-acquired working parameter of the CPU;
adjust a processing frequency of a GPU of the image display device according to the determined utilization ratio of the CPU; and
set a dominant frequency for the GPU,
wherein
the image display device is configured to determine an operation mode thereof according to the determined utilization ratio of the CPU, when the determined utilization ratio of the CPU is less than or equal to 30%, the image display device is determined in a static mode, and configured to adjust the processing frequency of the GPU to be smaller than the dominant frequency;
when the determined utilization ratio of the CPU is greater than or equal to 70%, the image display device is determined in a high speed processing mode, and configured to adjust the processing frequency of the GPU to be larger than the dominant frequency; and
when the determined utilization ratio of the CPU is between 30% and 70%, the image display device is determined in a mode between the static mode and the high speed processing mode, and configured to keep the processing frequency of the GPU at the dominant frequency,
wherein the CPU is configured to control operations of the image display device, and the GPU is configured to process data of images to be displayed by the image display device.

5. The image display device according to claim 4 , wherein the working parameter of the CPU comprises a working frequency.

6. The image display device according to claim 5 , further configured to adjust a resolution of displayed images according to the adjusted processing frequency of the GPU, and display images according to the adjusted resolution, wherein
the image display device is configured to keep the resolution of the displayed images at an initial resolution when the processing frequency of the GPU equals to a dominant frequency, adjust the resolution of the displayed images to be smaller than the initial resolution when the processing frequency of the GPU is smaller than the dominant frequency, and keep the resolution of the displayed images at the initial resolution when the processing frequency of the GPU is larger than the dominant frequency.

7. The image display device according to claim 4 , further configured to adjust a resolution of displayed images according to the adjusted processing frequency of the GPU, and display images according to the adjusted resolution, wherein
the image display device is configured to keep the resolution of the displayed images at an initial resolution when the processing frequency of the GPU equals to a dominant frequency, adjust the resolution of the displayed images to be smaller than the initial resolution when the processing frequency of the GPU is smaller than the dominant frequency, and keep the resolution of the displayed images at the initial resolution when the processing frequency of the GPU is larger than the dominant frequency.

Assignees

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

Inventors

• Wang Di
• Zhang Hao
• Shi Lingyun
• Li Jialong
• Dong Xue

Classifications

• G09G5/363

  Graphics controllers · CPC title

• G06F3/14

  Digital output to display device {; Cooperation and interconnection of the display device with other functional units} · CPC title

• G06T15/005

  General purpose rendering architectures · CPC title

• G06F1/3265 Primary

  Power saving in display device · CPC title

• G06T1/20

  Processor architectures; Processor configuration, e.g. pipelining · CPC title