Dual Blue Pixel Display Panel for Eye Protection and Color Gamut
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Solution Overview
Problem
Quantum dot display technology, while offering high contrast and wide color gamut, emits harmful blue light components that can be detrimental to human eye health, necessitating a solution that balances display performance with eye protection.
Innovation Solution
A display panel with two types of blue pixels, each with distinct light transmission bands, allows switching between modes to either minimize blue light emission for eye protection or enhance color gamut, by adjusting and lighting different blue pixels based on the required mode.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If quantum dot blue light materials are used to achieve deep-blue light emission and wide color gamut, then display performance is improved, but harmful blue light components are emitted that can damage human eyes
Solution Approach 1:
The pixel structure is segmented into multiple sub-pixels including first blue pixels and second blue pixels with different light transmission characteristics. This segmentation allows the display to selectively activate different blue pixel types to balance color gamut and eye protection
Solution Approach 2:
The display dynamically adjusts which blue pixels are activated based on content requirements and eye protection needs. The system can switch between different blue pixel configurations to optimize both display performance and reduce harmful blue light exposure
2Device complexity
If a single blue pixel type is used in the display panel, then the device structure is simple, but the display panel cannot simultaneously achieve wide color gamut and reduce harmful blue light exposure
Solution Approach 1:
The display panel incorporates multiple blue pixel types that can serve different functions - one type optimized for wide color gamut and another type optimized for reducing harmful blue light. This multi-functionality allows the same display to adapt to different viewing requirements without requiring separate display devices
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 enables the display panel to simultaneously achieve wide color gamut and reduce harmful blue light exposure, effectively addressing both display performance and eye protection requirements.
Implementation Method 1
quantum dot (QD) display devices... use quantum dot materials... QD light-emitting principles
Data Source
AI summary
The present disclosure provides a display panel. The display panel includes: a substrate; a pixel driving circuit disposed on the substrate, the pixel driving circuit comprises driving sub-circuits; and a pixel layer disposed on the substrate, the pixel layer comprises pixel units arranged in an array, each of the pixel units comprises a red pixel, a green pixel, a first blue pixel, and a second blue pixel; each of the driving sub-circuits is in one-to-one correspondence with each color pixel, and a light transmission band of the first blue pixel is different from a light transmission band of the second blue pixel; in a first display mode, the pixel driving circuit drives the red pixels, the green pixels, and the first blue pixels to light up; in a second display mode, the pixel driving circuit drives the red pixels, the green pixels, and the second blue pixels to light up.