Display Signal Locking Circuit With Dynamic Band Selection
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Solution Overview
Problem
Current panel signal transmission technologies face bottlenecks due to advancements in panel resolution and data transmission rates, necessitating improved efficiency and handling of various resolutions.
Innovation Solution
A source driving device and timing controlling device with locking, controlling, and decoding modules that selectively execute locking processes in different bands based on band setting signals, comparing control voltages with reference voltages to generate band setting signals and decode display signals, enhancing signal transmission efficiency through band adjustment and impedance matching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If panel resolution and data transmission rate are increased to meet high-definition display demands, then display quality and multimedia performance are improved, but signal transmission reliability and stability deteriorate due to transmission bottlenecks
Solution Approach 1:
The patent segments the signal transmission process into multiple bands (first band and second band) with different impedance characteristics. By dividing the transmission into band-specific paths with optimized impedance matching, the system maintains signal integrity at higher transmission rates while preserving reliability through targeted impedance control for each band segment.
Solution Approach 2:
The patent implements dynamic band selection that adjusts the impedance matching configuration based on real-time signal characteristics and transmission requirements. The system can switch between first band and second band configurations, dynamically optimizing the transmission path to maintain both high data rates and signal reliability under varying display conditions.
2Device complexity
If a fixed impedance matching configuration is used to simplify the circuit design, then device complexity is reduced, but signal transmission performance deteriorates when handling multiple resolutions and data rates
Solution Approach 1:
The patent employs dynamic band selection that automatically adjusts the impedance matching configuration based on the detected signal band and transmission requirements. This dynamic adaptation allows the circuit to optimize its configuration for different resolutions and data rates without requiring manual reconfiguration, thereby maintaining versatility while keeping the control logic integrated and manageable.
Solution Approach 2:
The patent changes the impedance parameter based on the detected signal band. By detecting whether the input signal belongs to the first band or second band and accordingly selecting the appropriate impedance matching configuration, the system adapts its electrical parameters to optimize transmission performance across various resolutions and data rates without increasing overall device complexity.
3Productivity
If band detection and selective locking processes are implemented to improve signal transmission efficiency, then transmission performance is enhanced, but device complexity increases due to additional modules and control logic
Solution Approach 1:
The patent implements a self-service mechanism where the system automatically detects the signal band and selects the appropriate locking configuration without external intervention. The band detection and selective locking process operates autonomously, with the system self-adjusting its impedance matching based on the detected signal characteristics, thereby improving transmission efficiency while minimizing the need for additional control complexity.
Solution Approach 2:
The patent incorporates feedback through the band detection mechanism that monitors the input signal characteristics and uses this information to selectively activate the appropriate locking process. This feedback-driven approach allows the system to optimize signal transmission efficiency by adapting its configuration based on real-time signal conditions, while the integrated control logic keeps the overall device complexity manageable.
Data Source
AI summary
A source driving device includes a locking module, a controlling module and a decoding module. The locking module executes a locking process selectively in a first band or a second band according to a band setting signal in order to lock a first clock signal synchronized with a first display signal. The controlling module is coupled to the locking module for comparing a control voltage with a reference voltage in the locking process and generates the band setting signal accordingly. The decoding module is coupled to the locking module for generating a decoded signal according to the first display signal and the first clock signal.