Display Driving Controller Fail-Safe Circuit Monitoring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display devices lack effective monitoring and rapid normalization of operating states for driving-related circuits, leading to abnormal image display and degraded image quality when malfunctions occur.
Innovation Solution
A display device with a driving controller that monitors and normalizes the operating states of gate driving, video input, internal logic, and source driving by using feedback signals to adjust control signals and output data, ensuring robust fail-safe processing and improved image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If feedback signals are used to monitor driving-related circuits, then the reliability of the display device is improved, but the device complexity increases
Solution Approach 1:
The patent implements feedback mechanisms where the driving controller receives feedback signals from driving-related circuits (gate driver circuit, source driver circuit, video signal input) to monitor their operating states. Based on these feedback signals, the controller determines whether to output frame start signals, thereby enabling automatic detection and response to circuit abnormalities without requiring complex external monitoring systems.
Solution Approach 2:
The driving controller is designed to perform multiple functions: it generates control signals for driving the display panel, receives feedback signals from various driving-related circuits, monitors their operating states, and automatically adjusts its operation based on the feedback. This multi-functionality reduces the need for separate dedicated monitoring components, thereby limiting the increase in device complexity while improving reliability.
2Productivity
If rapid monitoring and normalization of abnormal states is implemented, then the productivity of the display device is improved, but the loss of time increases
Solution Approach 1:
The driving controller continuously monitors the operating states of driving-related circuits during normal operation by receiving feedback signals. This preliminary monitoring allows the system to detect abnormalities as they occur rather than after they cause significant damage or display defects, enabling rapid response and normalization of the abnormal states.
Solution Approach 2:
The feedback mechanism allows the driving controller to immediately detect abnormal states through feedback signals and automatically adjust its operation in real-time. By continuously receiving feedback and rapidly responding to abnormalities, the system minimizes the time lost to abnormal operations while maintaining high productivity in normal display operations.
Data Source
AI summary
A display device, a driving controller, and a driving method provide a fail-safe function. The operating states of driving-related circuits are monitored, and depending on the result of the monitoring, abnormal driving is rapidly and accurately normalized. The performance of display driving and the quality of displayed images are improved.