Pyrimidine Dye Antireflection Film for Quantum Dot Displays
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current antireflection films in quantum dot display devices face challenges in effectively absorbing blue long and green short wavelength regions, leading to issues with light resistance reliability and color reproducibility.
Innovation Solution
A compound represented by Chemical Formula 1, which absorbs light in the blue long and green short wavelength regions with a maximum absorption wavelength between 490 nm to 520 nm, is integrated into an antireflection film, improving light resistance and color reproducibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If cyanine-based dyes or azo-based dyes are used to maximize low-reflection characteristics, then light absorption in short wavelength region is improved, but light resistance reliability deteriorates
Solution Approach 1:
The patent changes the chemical structure parameters of the dye by introducing a pyrimidine ring core with specific substituents (aryl groups, alkyl groups, cyano groups) to achieve both strong light absorption and high light resistance. This structural modification transforms the dye's properties to simultaneously satisfy both requirements.
Solution Approach 2:
The patent creates a composite dye structure combining pyrimidine ring core with various aromatic substituents, creating a molecule that integrates multiple functional groups to achieve both optical performance and stability properties.
2Manufacturing precision
If quantum dot material is used to improve color reproducibility and luminance, then display quality is improved, but reflectance by external light increases
Solution Approach 1:
The patent introduces an antireflection film containing the pyrimidine-based dye as an intermediary layer between the quantum dot display and external environment. This mediator absorbs excess light and reduces reflection without interfering with the quantum dot light emission, thus maintaining color reproducibility while reducing glare.
3Use of energy by moving object
If blue light source is used to improve luminous efficiency of quantum dots, then energy efficiency is improved, but spectrum control complexity increases
Solution Approach 1:
The patent uses the pyrimidine-based dye's specific absorption characteristics in the blue-green region to selectively absorb certain wavelengths from the blue light source, effectively tuning the spectrum reaching the quantum dots without complex optical components.
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
The compound enhances light resistance reliability and color reproducibility by effectively absorbing blue and green wavelengths, reducing reflectance and maintaining luminance, thereby improving the overall performance of quantum dot display devices.
Implementation Method 1
A compound represented by Chemical Formula 1, which absorbs light in the blue long and green short wavelength regions with a maximum absorption wavelength between 490 nm to 520 nm
Data Source
AI summary
Provided are a compound represented by specific Chemical Formula, an antireflection film including the same and a display device including the antireflection film.