Dynamic Display Resolution Switching to Reduce Power and Bandwidth
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Solution Overview
Problem
UHD display devices cause unnecessary waste of computing power, power consumption, and transmission resources due to constant high resolution output, leading to unbalanced display ratios and poor user experience, especially in scenarios where high image quality is not required.
Innovation Solution
A method and device that dynamically adjust display resolution by resetting the communication channel between the source and display devices through instructions, reducing the native resolution to a target resolution, and adjusting it back to screen resolution while maintaining image quality, thereby reducing power consumption and data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If UHD resolution is maintained at all times, then image quality is improved, but power consumption and computing resources are wasted
Solution Approach 1:
The patent implements dynamic resolution adjustment by allowing the display device to switch between different resolution modes (UHD, FHD, HD) based on real-time detection of content type and usage scenario. The microcontroller continuously monitors the input signal and adjusts the resolution accordingly, transforming the static UHD display into a dynamic system that adapts its resource consumption to actual needs.
Solution Approach 2:
The system changes the resolution parameter dynamically based on detected content characteristics. When text or code is detected as the primary content type, the system automatically reduces resolution from UHD to FHD or HD, thereby changing the display parameter to match the actual requirements and reduce power consumption.
2Measurement precision
If UHD resolution is maintained, then display detail is improved, but display ratio becomes unbalanced and text size reduces
Solution Approach 1:
The display ratio is made dynamic through automatic resolution adjustment. The system detects when content requires larger text or icons and automatically adjusts the resolution to maintain an optimal display ratio, preventing the text and interface elements from becoming too small while preserving UHD detail when appropriate.
3Measurement precision
If first display device uses highest resolution, then its image quality is improved, but bandwidth for multiple display devices is reduced
Solution Approach 1:
The patent applies different resolution qualities to different display devices based on their specific needs and capabilities. The first display device may receive UHD resolution when appropriate, while second and third display devices receive lower resolutions, optimizing the overall bandwidth distribution and achieving local quality optimization for each device.
Data Source
AI summary
A method for dynamically adjusting resolution is provided. The method includes performing a ratio reduction operation on a native resolution of a display screen of the display device according to a ratio data command to obtain a target resolution when receiving the ratio data command. The method includes replacing the native resolution at a resolution storage address in an extended display identification data (EDID) with the target resolution to allow the target resolution to be read by a source device. The method includes receiving image data, wherein the image data is generated by the source device according to the target resolution. The method includes performing a ratio increase operation on the target resolution according to the ratio data command to obtain a screen resolution. The method includes setting the native resolution of the display screen to the screen resolution to display the image data.