Display Panel Frame Rate Control for Segment Flicker Compensation
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Solution Overview
Problem
Existing display panel driving methods fail to effectively reduce power consumption while minimizing flicker, which degrades display quality, especially when displaying static images.
Innovation Solution
A method of driving a display panel that adjusts the frame rate based on segment flicker values, compensating for flicker using adjacent segment values, and determining frame rates to prevent flicker perception and enhance display quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the display panel is driven in a relatively low frequency, then power consumption is reduced, but flicker is generated that degrades display quality
Solution Approach 1:
The display panel is divided into multiple segments, and each segment is independently evaluated for flicker risk based on its characteristics. This allows selective frame rate adjustment per segment rather than uniformly across the entire display, enabling lower overall power consumption while preventing flicker in critical areas.
Solution Approach 2:
Different frame rates are applied to different segments based on their individual flicker characteristics and neighboring segment relationships. Segments with higher flicker risk or those adjacent to high-risk segments are driven at higher frame rates, while other segments can use lower frame rates, optimizing the local display quality where needed.
2Loss of energy
If the frame rate is reduced to minimize power consumption, then energy efficiency improves, but display quality deteriorates due to perceptible flicker
Solution Approach 1:
The frame rate for each segment is dynamically adjusted based on real-time evaluation of flicker risk factors including segment characteristics and neighboring segment relationships. This dynamic adaptation allows the system to maintain high display quality where necessary while reducing frame rates elsewhere to improve energy efficiency.
Solution Approach 2:
The system evaluates flicker risk for each segment and uses this feedback information to determine appropriate frame rates. Segments with higher evaluated flicker risk receive higher frame rates, while segments with lower risk can operate at reduced frame rates, creating a feedback-driven energy optimization strategy.
Data Source
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AI summary
A method of driving a display panel includes dividing an input image into a plurality of segments, generating a flicker value of a segment of the plurality of segments, determining whether to compensate the flicker value of the segment or not according to a segment size, compensating the flicker value of the segment based on the segment size, determining a frame rate of the display panel based on the flicker value of the segment and outputting a data voltage to the display panel in the frame rate. The flicker value of the segment is compensated based on the flicker value of the segment and flicker values of segments that are adjacent to the segment.