Display Driving Controller Dynamic Refresh Rate Adjustment
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Solution Overview
Problem
As the use of display devices becomes more diversified, there is a need to reduce power consumption while maintaining or improving display quality, especially when multiple images are displayed concurrently, as existing technologies struggle to manage power efficiently without degrading image quality.
Innovation Solution
The electronic device employs a driving controller that adjusts the frequency of refresh intervals based on image complexity, using artificial intelligence and neural networks to optimize the display timing, including effective, blanking, and refresh intervals, to minimize power consumption and maintain high display quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the refresh frequency is increased to improve display quality and reduce timing delays, then display quality is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic refresh rate adjustment where the refresh frequency is changed based on image complexity analysis. The driving controller analyzes image data to determine complexity levels and adjusts the refresh frequency accordingly - using higher frequencies for complex images requiring quality display, and lower frequencies for simple images where quality requirements are reduced, thus resolving the contradiction between display quality and power consumption
Solution Approach 2:
The patent changes the refresh frequency parameter dynamically based on image characteristics. By analyzing image complexity and adjusting the refresh rate parameter accordingly, the system optimizes the balance between display quality (requiring higher refresh rates) and power consumption (reduced at lower refresh rates), directly addressing the technical contradiction
2Reliability
If the refresh interval is shortened to reduce timing delays and jitter, then display quality is improved, but power consumption increases
Solution Approach 1:
The patent dynamically adjusts the refresh interval duration based on image complexity. For simple images, longer intervals are used to reduce power consumption while maintaining acceptable timing precision. For complex images, shorter intervals are applied to minimize timing delays and jitter, thus resolving the contradiction between timing precision and power consumption through adaptive control
3Adaptability or versatility
If multiple images are displayed concurrently to increase functionality, then adaptability is improved, but power consumption management becomes more difficult
Solution Approach 1:
The patent segments the display content into multiple independent image layers or regions, each of which can be processed and refreshed independently. This segmentation allows the system to manage power consumption for each image separately based on its complexity and importance, reducing the overall power management complexity while maintaining the ability to display multiple images concurrently
Solution Approach 2:
The patent applies partial refresh strategies where only certain regions or images are refreshed at full rate while others use reduced refresh rates. This partial action approach maintains display functionality for multiple images while significantly reducing the complexity of power management by selectively applying different refresh strategies to different image portions
Data Source
AI summary
Provided is an electronic device according to an embodiment of the inventive concept may include a display panel including a plurality of pixels respectively connected to a plurality of data lines and a plurality of scan lines, a data driving circuit connected to the plurality of data lines, a scan driving circuit connected to the plurality of scan lines, and a driving controller generating image data, and controlling the data driving circuit and the scan driving circuit to display a plurality of frames at a first frequency on the display panel based on the image data, wherein at least one of the plurality of frames includes an effective interval during which an image is transmitted, a blanking interval during which the image is not transmitted, and a refresh interval operating at a second frequency different from the first frequency.