Liquid Crystal Display Panel Luminance Viewing Angle Adjustment
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Solution Overview
Problem
Conventional methods for improving the luminance viewing angle of liquid crystal display devices are complex, costly, and have low efficiency.
Innovation Solution
A method and system that detect the luminance viewing angle of a liquid crystal display panel based on current image brightness, adjust positive and negative polarity driving voltages according to a preset step size, and calculate a target voltage value to achieve the desired luminance viewing angle without altering pixel designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional methods are used to improve luminance viewing angle, then luminance viewing angle is improved, but process complexity increases, cost increases, and efficiency decreases
Solution Approach 1:
The patent adjusts the luminance viewing angle by changing the driving voltage parameters of the liquid crystal display panel. Specifically, it modifies the positive and negative polarity driving voltage values to alter the liquid crystal molecule orientation and improve luminance viewing angle, avoiding complex structural changes while achieving the desired optical performance improvement
2Illumination intensity
If conventional methods are used to improve luminance viewing angle, then luminance viewing angle is improved, but manufacturing cost increases
Solution Approach 1:
The patent achieves luminance viewing angle improvement through parameter adjustment (driving voltage) rather than through expensive material changes or complex additional components. This approach maintains cost-effectiveness while achieving the desired optical performance enhancement
3Illumination intensity
If conventional methods are used to improve luminance viewing angle, then luminance viewing angle is improved, but improvement efficiency decreases
Solution Approach 1:
The patent enables rapid adjustment of luminance viewing angle through voltage parameter modification, which can be implemented quickly without lengthy manufacturing processes. This significantly improves the efficiency of achieving desired optical performance compared to conventional methods that require complex structural modifications
Solution Approach 2:
The patent employs a feedback mechanism where the luminance viewing angle is detected based on brightness values, compared against a threshold, and then the driving voltage is adjusted accordingly. This closed-loop control enables efficient and precise optimization of the luminance viewing angle
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 approach simplifies the process, reduces costs, and significantly enhances the efficiency of improving the luminance viewing angle of liquid crystal display panels.
Implementation Method 1
adjusting a positive and negative polarity driving voltage of the liquid crystal display panel according to a preset step size, so as to obtain a relational expression between the positive and negative polarity driving voltage and the luminance viewing angle
Data Source
AI summary
The present disclosure provides a method, a device, a system, and a display device for adjusting a luminance viewing angle of a liquid crystal display panel. The method obtains an actual value of a luminance viewing angle corresponding to a current image, adjusts a positive and negative polarity driving voltage when the actual value is less than a threshold value to obtain a relational expression between the positive and negative polarity driving voltage and the luminance viewing angle, processes a difference value between the actual value and the threshold value to obtain a target driving voltage value, and adjusts the positive and negative polarity driving voltage according to the target driving voltage value, thereby realizing adjustment of the luminance viewing angle.