Display Panel with Segmented Refresh Rates for Flicker Control
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Solution Overview
Problem
Display panels face challenges in performing diverse functions effectively due to the need for varying refresh rates across different display areas, which existing technologies have not adequately addressed.
Innovation Solution
A display panel with separate refresh rates for different display areas, allowing each area to operate in distinct modes with unique refresh rates, enabling independent adjustment and optimization of refresh rates for better function performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single refresh rate is used for the entire display panel, then the device complexity is reduced, but the display panel cannot perform diverse functions effectively in different display areas
Solution Approach 1:
The display panel is divided into multiple display areas (first display area, second display area, etc.), each with its own pixel circuit and refresh rate configuration. This segmentation allows different refresh rates to be applied to different areas simultaneously, enabling diverse function performance while managing complexity through modular architecture.
Solution Approach 2:
Each display area is assigned a specific refresh rate tailored to its functional requirements. The first display area uses refresh rate F11 while the second display area uses refresh rate F12 in the first mode, and they can switch to F21 and F22 respectively in the second mode. This local quality approach optimizes performance for each area's specific function.
2Adaptability or versatility
If different refresh rates are applied to different display areas, then the function performance is optimized, but the control complexity increases
Solution Approach 1:
The pixel circuit is designed with multi-functionality to handle different refresh rate configurations. It can operate in a first mode with refresh rates F11 and F12 for different display areas, and switch to a second mode with refresh rates F21 and F22. This universal design allows the same pixel circuit to adapt to multiple refresh rate scenarios without requiring separate control mechanisms for each area.
Solution Approach 2:
The refresh rate configuration is made dynamic and adjustable. The system can switch between different modes (first mode and second mode) with different refresh rate combinations (F11/F12 or F21/F22) based on functional requirements. This dynamic adjustment capability allows optimization for different functions while managing control complexity through standardized switching mechanisms.
3Use of energy by moving object
If refresh rates are adjusted independently for each display area, then power consumption is optimized, but the risk of flickering increases
Solution Approach 1:
The system incorporates feedback mechanisms to monitor and adjust refresh rate configurations. When switching between different modes with different refresh rates (e.g., from F11/F12 to F21/F22), the feedback control ensures proper synchronization and timing to minimize flickering risks while maintaining optimized power consumption for each display area.
Data Source
AI summary
A display panel and a display device are provided. The display panel includes a first display area, a second display area and a pixel circuit. The pixel circuit includes a first pixel circuit and a second pixel circuit. The first pixel circuit is connected to a light emitting element in the first display area. The second pixel circuit is connected to a light emitting element in the second display area. The pixel circuit operates in a first mode and a second mode. In the first mode, the first display area corresponds to a refresh rate of F11, and the second display area corresponds to a refresh rate of F12. In the second mode, the first display area corresponds to a refresh rate of F21, and the second display area corresponds to a refresh rate of F22. There is a relationship of |F21−F11|≠|F22−F12|.