Display Method for Reducing Power Consumption via Static Area Segmentation
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Solution Overview
Problem
High-resolution, high-frame-rate display devices face increased power consumption and operating temperature due to high-speed driver circuits, which adversely affect performance.
Innovation Solution
A display method that up-converts frame rates, identifies static image content, and controls the driver circuit to avoid updating pixels in static display areas during frame display, reducing power consumption by deactivating drivers for static areas while updating dynamic areas only.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high-speed driver circuits are used to drive the display panel, then the frame rate and resolution are improved, but the power consumption and operating temperature increase
Solution Approach 1:
The display area is divided into static display areas and dynamic display areas. The driver circuit is segmented to update only the dynamic display areas while maintaining the static display areas, thereby reducing the overall power consumption and operating temperature of the driver circuit.
Solution Approach 2:
Instead of updating the entire display panel at high frame rates, only the dynamic display areas are updated partially. This partial action approach maintains the necessary display performance while significantly reducing the power consumption and heat generation of the driver circuit.
2Speed
If high-speed driver circuits are used to drive the display panel, then the frame rate and resolution are improved, but the operating temperature rises adversely affecting performance
Solution Approach 1:
The display area is divided into static display areas and dynamic display areas. The driver circuit is segmented to update only the dynamic display areas while maintaining the static display areas, thereby reducing the overall power consumption and operating temperature of the driver circuit.
Solution Approach 2:
Instead of updating the entire display panel at high frame rates, only the dynamic display areas are updated partially. This partial action approach maintains the necessary display performance while significantly reducing the power consumption and heat generation of the driver circuit.
3Reliability
If the driver circuit updates all pixels continuously, then the display quality is maintained, but the power consumption increases
Solution Approach 1:
The display area is divided into static display areas and dynamic display areas. The driver circuit is segmented to update only the dynamic display areas while maintaining the static display areas, thereby reducing the overall power consumption and operating temperature of the driver circuit.
Solution Approach 2:
Different update strategies are applied to different regions of the display panel. Static display areas receive minimal updates to conserve power, while dynamic display areas receive full updates to maintain display quality where needed.
Data Source
AI summary
A display method includes steps of: receiving, by the controller, a first frame and a second frame from an input data; up-converting, by the controller, a frame rate of the input data to produce a third frame based on the first frame and the second frame; identifying, by the controller, a static image content of the third frame according to a comparison of the first frame and the second frame; controlling, by the controller, the driver circuit not to update data of pixels within a static display area of the display panel corresponding to the static image content during the period of time that the third frame is displayed by the display panel.