Viewing Angle Switchable Panel Voltage Compensation
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Solution Overview
Problem
Existing electronic devices with privacy protection sheets often experience color shift issues due to display light passing through these sheets, affecting display quality.
Innovation Solution
An electronic device with a viewing angle switchable panel that adjusts data voltage based on viewing angle mode, using a switching element and driving element to manage the display module's first and second units, thereby minimizing color shift.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a privacy protection sheet is used to protect privacy, then privacy protection effect is improved, but color shift occurs affecting display quality
Solution Approach 1:
The patent applies a viewing angle switchable panel that can dynamically switch between a first viewing angle mode (wide viewing angle for privacy protection) and a second viewing angle mode (narrow viewing angle for display quality). The panel's optical properties are not fixed but can be changed based on the required function, allowing the system to adapt between privacy protection and display quality requirements
Solution Approach 2:
The patent changes the optical parameters of the display system by switching the viewing angle mode of the panel. In the first viewing angle mode, the panel provides wide viewing angle for privacy protection. In the second viewing angle mode, the panel adjusts its optical parameters to reduce color shift and improve display quality. Additionally, different data voltages are applied to different color units to compensate for color shift
2Reliability
If display light passes through privacy protection sheet, then privacy protection is achieved, but color shift occurs
Solution Approach 1:
The patent directly addresses color shift by applying different data voltages to different color units (first color units and second color units with different colors) of the display module. When the viewing angle switchable panel is in the first viewing angle mode, the driving element provides different data voltages to compensate for the color shift caused by light passing through the privacy protection sheet, thereby maintaining display quality while achieving privacy protection
Solution Approach 2:
The system incorporates a switching element that detects the viewing angle mode of the panel and provides feedback to the driving element. Based on this feedback, the driving element automatically adjusts the data voltages applied to different color units, creating a closed-loop control system that compensates for color shift in real-time
Data Source
AI summary
An electronic device, including a display module, a viewing angle switchable panel, a switching element, and a driving element, is provided. The display module has multiple first units and multiple second units. The first units have a first color, and the second units have a second color. The first color and the second color are different. The switching element is used to switch the viewing angle switchable panel between a first viewing angle mode and a second viewing angle mode. The driving element is used to provide a first data voltage to at least one of the first units of the display module in the first viewing angle mode, and provide a second data voltage to the at least one of the first units in the second viewing angle mode. The first data voltage and the second data voltage are different.