Gate Driver Stage Circuit Layout for Lower Power and Dead Space
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Solution Overview
Problem
Existing display devices face increased power consumption and dead space due to the complexity of gate driver configurations, including multiple transistors, signal lines, and voltage lines.
Innovation Solution
A simplified gate driver design incorporating a plurality of stages with input circuits, inversion control circuits, and gate output circuits, utilizing PMOS transistors and capacitors to reduce the number of configurations, thereby minimizing power consumption and dead space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the gate driver includes multiple configurations (transistors, signal lines, voltage lines), then the gate driver can perform complex control functions, but the power consumption and dead space increase
Solution Approach 1:
The patent extracts and removes unnecessary configurations from the gate driver circuit. Specifically, it eliminates redundant transistors, signal lines, and voltage lines that do not contribute to essential control functions, thereby reducing power consumption and dead space while maintaining core operational capabilities
Solution Approach 2:
The patent implements a simplified gate driver where existing components perform multiple functions. For example, the remaining transistors and control circuits are designed to handle various control tasks through flexible switching and signal generation, reducing the need for dedicated separate components for each function
2Adaptability or versatility
If the gate driver includes multiple configurations (transistors, signal lines, voltage lines), then the gate driver can perform complex control functions, but the dead space increases
Solution Approach 1:
The patent removes unnecessary circuit configurations that occupy dead space. By extracting redundant transistors, signal lines, and voltage lines, the circuit area is reduced, allowing for more efficient use of available space in the gate driver while preserving essential control functionality
Solution Approach 2:
The patent combines multiple functions into fewer integrated components. Existing transistors and control circuits are designed to perform multiple control tasks simultaneously or sequentially, reducing the total number of separate components needed and thereby minimizing dead space
Data Source
AI summary
A gate driver includes a plurality of stages. Each of the plurality of stages includes an input circuit configured to provide an input signal to a control node in response to a first clock signal, a first inversion control circuit configured to control a voltage of an inversion control node in response to a voltage of the control node, and a gate output circuit configured to output a gate signal in response to the voltage of the control node and the voltage of the inversion control node.