Display Panel Bias Adjustment Signals for Flicker Reduction
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Solution Overview
Problem
Display panels with different areas requiring distinct functions face challenges in optimizing pixel circuit designs due to varying display functions and effects, leading to instability in driving currents and flicker issues caused by bias problems in transistors.
Innovation Solution
A display panel with first and second display areas, each equipped with pixel circuits receiving distinct bias adjustment signals (V1 and V2) to adjust their bias states, where the integrated chip provides these signals to optimize the functions of each area independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If differentiated designs are carried out for different areas of the display panel to realize different functions, then the display functions and effects in different areas are optimized, but the device complexity increases due to multiple bias adjustment signals and their transmission paths
Solution Approach 1:
The display panel is divided into different display areas (first display area and second display area), each with its own pixel circuits receiving differentiated bias adjustment signals. This segmentation allows independent optimization of display functions in different areas while managing complexity through modular organization of signal paths.
Solution Approach 2:
Different bias adjustment signals (first bias adjustment signal and second bias adjustment signal) are applied to different display areas to achieve locally optimized display effects. The first pixel circuits receive the first bias adjustment signal while the second pixel circuits receive the second bias adjustment signal, allowing each area to have tailored electrical characteristics for its specific display function.
2Adaptability or versatility
If differentiated bias adjustment signals are applied to different display areas to optimize display functions, then the display effects are enhanced, but the manufacturing precision requirements increase due to the need for precise signal differentiation and transmission
Solution Approach 1:
The integrated chip pre-processes and differentiates the bias adjustment signals before transmission to the display panel. By performing the signal differentiation in advance at the chip level, the patent reduces the precision requirements for subsequent signal transmission and distribution across different display areas.
Solution Approach 2:
The integrated chip acts as an intermediary device that generates and differentiates the bias adjustment signals. This intermediary function simplifies the overall system by centralizing the complex signal differentiation task, thereby reducing the precision burden on the display panel's internal signal transmission paths.
3Reliability
If multiple bias adjustment signals are used to address bias problems in transistors, then the stability of driving currents is improved and flicker is reduced, but the device complexity increases due to additional signal lines and control circuits
Solution Approach 1:
The integrated chip performs multiple functions: generating bias adjustment signals, differentiating them into distinct signals, and transmitting them to different display areas. This multi-functionality consolidates what would otherwise require separate components, reducing overall device complexity while maintaining driving current stability through differentiated bias adjustment.
Data Source
AI summary
The present application discloses a display panel, an integrated chip and a display apparatus. The display panel includes: a first display area and a second display area; and pixel circuits including first pixel circuits and second pixel circuits, wherein the first pixel circuits are configured to provide driving currents to light emitting elements of the first display area, and the second pixel circuits are configured to provide driving currents to light emitting elements of the second display area, the pixel circuits receive a bias adjustment signal, the bias adjustment signal includes a first bias adjustment signal and a second bias adjustment signal, the first pixel circuits receive the first bias adjustment signal, and the second pixel circuits receive the second bias adjustment signals, a voltage value of the first bias adjustment signal is V1, and a voltage value of the second bias adjustment signal is V2, wherein V1≠V2.