Transparent Display Pixel Layout for Reduced Color Breakup
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Solution Overview
Problem
Conventional Field Sequential Color (FSC) display devices suffer from Color Break UP (CBU), affecting the visual effects of transparent display devices.
Innovation Solution
The display device employs a pixel arrangement and control method where each pixel block includes three color sub-pixels connected to specific scan and data lines, and frames are divided into sub-frames for controlled light emission, alternating the emission sequence of color sub-pixels to minimize CBU.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If Field Sequential Color (FSC) driving method is applied to increase aperture ratio, then the transmittance of transparent display device is improved, but Color Break UP (CBU) occurs affecting visual effects
Solution Approach 1:
The pixel structure is segmented into multiple sub-pixels (first color sub-pixel, second color sub-pixel, third color sub-pixel) with different electrical connections to scan lines and data lines. This segmentation allows independent control of each sub-pixel's light emission timing, enabling the FSC driving method to achieve high transmittance while maintaining visual quality by preventing CBU through coordinated sequential activation of color sub-pixels
Solution Approach 2:
The patent implements dynamic control of color sub-pixel activation through time-sequential scanning. Different color sub-pixels are activated at different time periods within each frame based on their specific electrical connections to scan lines (first scan line, second scan line) and data lines (first data line, second data line). This dynamic temporal control ensures that color transitions are smooth and prevents the Color Break UP phenomenon while maintaining high aperture ratio and transmittance
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 enhances color display uniformity and reduces CBU, improving the visual quality of transparent display devices.
Implementation Method 1
Each of the first pixel blocks includes: a first color sub-pixel block, a second color sub-pixel block and a third color sub-pixel block
Data Source
AI summary
A display device and a control method therefor are provided. The display device includes a pixel row having first, second and third color sub-pixel blocks. In the control method, a frame is divided into a first sub-frame and a second sub-frame. Then, M color-mixed pixel blocks and N single color pixel blocks are defined. When N=0, the first and second sub-pixel blocks of at least one of the color-mixed pixel blocks are controlled to emit lights in the first sub-frame, and the first and the third sub-pixel blocks of the at least one of the color-mixed pixel blocks are controlled to emit lights in the second sub-frame. When N≠0, the first and second sub-pixel blocks of the color-mixed pixel blocks are controlled to emit lights in the first sub-frame, and third color sub-pixel blocks of the single color pixel blocks are controlled to emit lights in the second sub-frame.