Gate Driving Circuit Reconfiguration for Multi-Mode Display Scanning
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Solution Overview
Problem
Existing gate driving devices are limited to a single series connection mode, which restricts their ability to adapt to different scanning modes required by various display technologies.
Innovation Solution
A gate driving device and method that allows for changing the series connection mode between gate driving circuits in response to a scan selection signal, enabling the selection of an initial stage gate driving circuit and switching between progressive and interlace scanning modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the gate driving device uses a fixed series connection mode, then the device structure is simple and stable, but the device cannot adapt to different scanning modes required by various display technologies
Solution Approach 1:
The patent implements dynamic reconfiguration of the gate driving circuits by introducing a control circuit that can switch between different series connection modes (first series connection mode and second series connection mode) based on scanning requirements. The connection mode change signal dynamically alters the signal transmission paths, enabling the device to adapt from a fixed to a flexible configuration where circuits can be reorganized into different series arrangements.
Solution Approach 2:
The gate driving device achieves multi-functionality by enabling the same physical circuit structure to perform multiple scanning modes through configurable connection modes. The control circuit acts as a universal controller that can set up different series connection configurations, allowing the device to serve both progressive scanning and interlace scanning requirements without requiring separate dedicated circuits for each mode.
2Adaptability or versatility
If the gate driving device allows changing series connection modes, then the device can operate in multiple scanning modes, but the control complexity increases
Solution Approach 1:
The control circuit automatically manages the configuration changes by internally generating the connection mode change signals based on the required scanning mode. Once the scanning mode is determined, the control circuit self-configures the appropriate series connection mode without requiring external intervention or complex manual setup, thereby simplifying the operation despite the increased functionality.
Solution Approach 2:
The system implements feedback control where the control circuit monitors the scanning mode requirements and automatically adjusts the series connection configuration accordingly. The control circuit receives feedback about the desired scanning mode and generates appropriate control signals to reconfigure the gate driving circuits, creating a closed-loop system that simplifies operation through automatic adaptation.
Data Source
AI summary
A gate driving device and an operating method are provided. The gate driving device includes a plurality of gate driving circuits and a control circuit. The gate driving circuits generate a plurality of gate driving signals having different timing. The control circuit is coupled to a plurality of candidate gate driving circuits among the gate driving circuits. The control circuit selects one of the candidate gate driving circuits as an initial stage gate driving circuit per one scanning cycle. A series connection mode between the gate driving circuits is changed in response to a scan selection signal.