Level Conversion Circuit Dynamic Clock Adaptation
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Solution Overview
Problem
The existing level conversion circuits in display panels have a fixed number of clock signals, which necessitates different structures for various gate driving circuits, increasing design costs due to the need for multiple configurations.
Innovation Solution
A level conversion circuit with a signal generation circuit, a first operational amplification circuit, and multiple switching circuits, along with a register and control circuit, that can dynamically control the number of clock signals output by adjusting the switching circuits in response to control signals, allowing the circuit to adapt to different gate driving circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-structure level conversion circuit is used, then the circuit structure is simple, but it cannot adapt to different gate driving circuits with varying clock signal requirements
Solution Approach 1:
The patent implements dynamic adaptability by introducing switching circuits that can dynamically connect or disconnect operational amplification circuits based on control signals. This allows the level conversion circuit to adjust its output clock signal quantity according to different gate driving circuit requirements, transforming a static fixed-structure circuit into a dynamic reconfigurable system that balances adaptability with controlled complexity.
Solution Approach 2:
The patent creates a universal level conversion circuit that can serve multiple different gate driving circuits through the incorporation of switching control mechanisms. By enabling the circuit to configure different numbers of operational amplification circuits based on control signals, a single circuit design can accommodate various clock signal requirements, eliminating the need for multiple dedicated circuits and achieving multi-functionality.
2Adaptability or versatility
If different structures of level conversion circuits are designed for various gate driving circuits, then the adaptability is improved, but the design cost increases
Solution Approach 1:
The patent reduces design costs by creating a universal level conversion circuit template that can be used across different gate driving circuits. Through switching control, this single universal design can adapt to various clock signal requirements that would otherwise demand multiple specialized circuits, significantly reducing design, manufacturing, and maintenance costs while maintaining full adaptability.
Solution Approach 2:
The patent enables a single circuit design to accommodate different requirements by changing operational parameters through control signals. By dynamically adjusting which operational amplification circuits are activated or connected, the circuit can adapt its output characteristics without requiring physical redesign, thereby reducing design costs while maintaining versatility.
3Productivity
If multiple operational amplification circuits are always connected, then the clock signal output capability is maximized, but the circuit complexity and control difficulty increase
Solution Approach 1:
The patent implements dynamic control of operational amplification circuits through switching circuits that respond to control signals. This allows the system to maximize clock signal output capability by connecting all operational amplification circuits when needed, while reducing complexity by disconnecting unnecessary circuits during normal operation, thereby achieving an optimal balance between productivity and controllability.
Solution Approach 2:
The patent divides the operational amplification circuits into independently controllable segments through switching circuits. Each operational amplification circuit can be individually connected or disconnected based on control signals, allowing granular control over output capability while simplifying overall circuit management through modular, segmented control architecture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces design costs by enabling a single level conversion circuit to accommodate different gate driving circuits with varying clock signal requirements, enhancing flexibility and efficiency.
Implementation Method 1
the first operational amplification circuit is configured to level-convert a voltage of an input terminal and output the voltage through an output terminal
Implementation Method 2
The switching circuit is connected between the signal output terminal of the signal generation circuit and the input terminal of the first operational amplification circuit that are in one-to-one correspondence, connected to a control signal terminal, and configured to communicate the signal output terminal of the signal generation circuit with the input terminal of the first operational amplification circuit in response to a signal of the control signal terminal
Data Source
AI summary
A level conversion circuit and a display panel are provided. The level conversion circuit includes a signal generation circuit configured to output driving signals through a plurality of signal output terminals, a first operational amplification circuit configured to level-convert a voltage of an input terminal and output the voltage through an output terminal, and signal output terminals of the signal generation circuit are in one-to-one correspondence with input terminals of the first operational amplification circuit; a plurality of switching circuits connected between the signal output terminal and the input terminal, connected to a control signal terminal, and configured to communicate the signal output terminal with the input terminal in response to a signal of the control signal terminal. At least part of the switching circuits are connected to different control signal terminals.