Display Panel Drive Circuit Voltage Amplification for High Power Images
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Solution Overview
Problem
Liquid crystal display panels often experience issues with blank screens or abnormal images due to insufficient loading capacity of external voltage sources when displaying high power consumption images, as existing technologies struggle to provide adequate power supply for integrated touch and display functions.
Innovation Solution
A display panel driving method that determines whether an image is high or low power consumption based on predefined data parameters, amplifying the reference voltage for high power consumption images and maintaining the original voltage for low power consumption images to ensure proper power supply to the touch control and display integrated circuits and gate driving circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the external voltage source provides a fixed reference voltage for the touch control and display integrated circuit, then the device structure remains simple, but the loading capacity is insufficient when displaying high power consumption images
Solution Approach 1:
The reference voltage is made dynamic rather than fixed. The voltage processing circuit adjusts the reference voltage based on the power consumption characteristics of the image being displayed, switching between first reference voltage (for high power consumption images) and second reference voltage (for low power consumption images), thereby improving loading capacity while maintaining structural simplicity
Solution Approach 2:
The reference voltage parameter is changed according to different display conditions. By detecting image power consumption characteristics and adjusting the reference voltage parameter accordingly, the system can provide adequate power for high power consumption images while maintaining energy efficiency for low power consumption images
2Reliability
If the reference voltage is amplified for high power consumption images, then the power supply capacity is improved, but the device complexity increases due to additional voltage processing circuits
Solution Approach 1:
The voltage processing circuit is designed to perform multiple functions: it can provide different reference voltages for different power consumption scenarios, and it can also process the data signal to determine power consumption characteristics. This multi-functionality improves display stability without requiring separate dedicated circuits for each function
Solution Approach 2:
The system performs self-adjustment by automatically detecting the power consumption characteristics of the image data and autonomously selecting the appropriate reference voltage level. This self-service mechanism ensures display stability without requiring external intervention or complex control systems
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 method ensures normal display quality by providing appropriate reference voltages according to the power consumption type of the image, preventing issues like blank screens or abnormal images, thereby enhancing the reliability of liquid crystal display panels.
Implementation Method 1
a first reference voltage provided by an external voltage source is amplified into a second reference voltage
Data Source
AI summary
A display panel driving method, a drive circuit thereof, and a display device. The method comprises: when determined that the picture to be displayed belongs to a high power consumption display picture, providing a touch control and display integrated circuit and power supply management circuit of the display panel with a second reference voltage that is amplified by a first reference voltage and that is provided by an external voltage source, and driving each pixel to ensure the normal display of the high power consumption display picture; and when determined that the picture to be displayed belongs to a low power consumption display picture, directly providing the first reference voltage to the touch control and display integrated circuit and power supply management circuit of the display panel, and driving each pixel within the display panel so as to ensure the normal display of the low power consumption picture.