Display Panel Drive Circuit for Rapid Charge Release
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display panel closing methods cannot ensure all output channels are opened, leading to prolonged closing times and potential picture abnormalities due to stored charges not being quickly released.
Innovation Solution
A driving method that outputs a power-off signal when the power voltage drops to a preset value, switches a low-level signal to a high-level signal using a switching circuit to turn on active switches, and closes the display panel, ensuring all output channels are opened and charges are quickly released.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the display panel uses conventional closing method without active switch control, then the circuit structure is simpler, but the stored charges cannot be quickly released causing prolonged closing time and picture abnormalities
Solution Approach 1:
The active switch is turned on in advance before the display panel closes, preparing the charge release path ahead of time. This preliminary action ensures that when closing occurs, the charges can be immediately discharged through the activated switch, significantly reducing closing time and preventing picture abnormalities.
Solution Approach 2:
The active switch acts as an intermediary component that mediates the charge discharge process during panel closing. By introducing this intermediate element, the system enables controlled and rapid charge release without requiring fundamental changes to the overall circuit architecture, thus reducing closing time while maintaining reasonable circuit complexity.
2Reliability
If the display panel closes without ensuring all output channels are open, then the operation is simpler, but picture abnormalities occur due to stored charges
Solution Approach 1:
The control circuit monitors the closing signal and provides feedback control to activate the active switch at the appropriate moment. This feedback mechanism ensures that all output channels are properly opened and charges are discharged before the panel closes, guaranteeing picture quality without complicating the closing operation.
Solution Approach 2:
The active switch and control circuit work together in a self-service manner where the closing signal automatically triggers the switch activation and charge discharge process. This self-service mechanism ensures reliable picture quality by automatically managing the charge release without requiring additional manual intervention or complex operational steps.
Data Source
AI summary
Disclosed are a driving method for a display panel and a drive circuit. The drive circuit includes: a power circuit, configured to output a power-off signal; a pixel control circuit, configured to turn on an active switch corresponding to a pixel; and a power-off circuit, configured to close a display panel, where the pixel control circuit includes: a first logical circuit, configured to output a first control signal for turning off the active switch; a second logical circuit, configured to output a second control signal for turning on the active switch; and a switching circuit, configured to switch the first logical circuit and the second logical circuit, the active switch corresponding to the pixel being turned on when the display panel is closed.