Voltage Regulation Circuit for Display Timing Controller Stability
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Solution Overview
Problem
Existing methods for ensuring stability of the core voltage in timing controllers for display panels, such as increasing wiring width, are ineffective due to packaging limitations and increased power consumption, leading to abnormal display phenomena.
Innovation Solution
A voltage regulation system comprising a power supply circuit, a determination circuit, and a regulation circuit that self-regulates voltage by providing a reference voltage and a first voltage, calculating a compensation voltage, and adjusting the output voltage to maintain stability within a preset range, using operational amplifiers and resistors to achieve voltage regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wiring width is increased to ensure core voltage stability, then voltage stability is improved, but device complexity and packaging difficulty increase
Solution Approach 1:
The patent introduces a voltage regulation circuit as an intermediary component between the power supply and the timing controller core. This circuit includes a power supply module that generates the core voltage, a detection module that monitors voltage stability, and a adjustment module that dynamically regulates the voltage. By inserting this intermediary regulation system, the patent achieves voltage stability without requiring increased wiring width, thus resolving the contradiction between reliability and device complexity.
2Reliability
If wiring width is increased to ensure core voltage stability, then voltage stability is improved, but power consumption increases
Solution Approach 1:
The patent employs dynamic parameter adjustment through the voltage regulation circuit. The adjustment module changes voltage parameters in real-time based on detection feedback, optimizing power delivery efficiency. This dynamic regulation reduces unnecessary power loss that would occur with increased wiring width, thereby maintaining voltage stability while reducing power consumption.
3Reliability
If voltage regulation circuit is added to stabilize core voltage, then timing controller stability is improved, but device complexity increases
Solution Approach 1:
The patent merges the voltage regulation functionality directly into the power control chip that already exists in the display device architecture. The power supply module, detection module, and adjustment module are integrated into a unified circuit system within the chip. This merging approach provides the necessary voltage stabilization while minimizing the increase in overall device complexity by utilizing existing chip infrastructure.
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
The system effectively stabilizes the core voltage, improving the stability of the timing controller and preventing abnormal displays by dynamically adjusting voltage levels based on feedback and preset ranges.
Implementation Method 1
the determination circuit is configured to acquire the compensation voltage by performing a difference process between the reference voltage and the first voltage
Implementation Method 2
the regulation circuit is configured to output a third voltage, according to the compensation voltage and a second voltage, in a case where the compensation voltage is not within a preset range
Data Source
AI summary
A voltage regulation system, a driving circuit, a display device and a voltage regulation method are disclosed. The voltage regulation system, applicable to an electronic device, including a power supply circuit, a determination circuit and a regulation circuit. The power supply circuit is connected with the regulation circuit, and the power supply circuit is configured to provide a reference voltage and provide a first voltage inputted into the electronic device; the determination circuit is connected with the power supply circuit, and the determination circuit is configured to, according to the reference voltage and the first voltage, output a compensation voltage; and the regulation circuit is connected with the determination circuit so as to receive the compensation voltage, and the regulation circuit is configured to output a third voltage, according to the compensation voltage and a second voltage, in a case where the compensation voltage is not within a preset range.