Integrated Color Filter Polarizer for LCD Optical Efficiency
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Solution Overview
Problem
Liquid crystal display (LCD) panels face increased manufacturing costs and complexity due to the use of polarizing films and dual brightness enhance films, which also lower optical efficiency.
Innovation Solution
A display panel design featuring first and second substrates with a liquid crystal layer, a color filter layer including metal linear grids at different pitches to polarize incident light, and polarizing layers that eliminate the need for separate polarizing films, enhancing optical efficiency and simplifying the manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If polarizing films and dual brightness enhance films are used, then optical efficiency is improved, but manufacturing costs increase and manufacturing process becomes complicated
Solution Approach 1:
The patent combines the polarizing function and color filtering function into a single integrated layer. The color filter layer includes both the color filter and the polarizing film as one integrated structure, eliminating the need for separate polarizing films and dual brightness enhance films. This merging reduces manufacturing steps and complexity while maintaining optical efficiency.
Solution Approach 2:
The color filter layer is designed to perform multiple functions simultaneously: color filtering, polarizing, and brightness enhancement. By making the color filter layer universal with multi-functionality, the patent eliminates the need for separate dedicated layers for each function, thereby simplifying the manufacturing process and reducing costs while preserving optical performance.
2Loss of energy
If polarizing films and dual brightness enhance films are used, then optical efficiency is improved, but manufacturing costs increase
Solution Approach 1:
The patent merges the polarizing film and color filter into a single integrated color filter layer, eliminating the need for separate polarizing films and dual brightness enhance films. This consolidation reduces the number of manufacturing steps, material costs, and assembly operations, thereby reducing overall manufacturing costs while maintaining optical efficiency.
Solution Approach 2:
The color filter layer is designed as a universal multi-functional component that simultaneously provides color filtering, polarizing, and brightness enhancement functions. This multi-functionality eliminates the need for multiple separate components, reducing material costs and manufacturing expenses while preserving optical performance.
3Ease of operation
If conventional polarizing films are used, then light polarization is achieved, but optical efficiency is reduced due to light loss
Solution Approach 1:
The patent combines the color filter and polarizing film into one integrated layer, which eliminates the need for separate polarizing films that cause light loss. The integrated structure achieves light polarization while maintaining higher optical efficiency by avoiding the additional light loss that would occur with separate polarizing films and dual brightness enhance films.
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 solution reduces manufacturing costs, simplifies the production process, and improves optical efficiency by directly polarizing light within the display panel, allowing for the omission of conventional polarizing films and dual brightness enhance films.
Implementation Method 1
a color filter layer which is formed on one of the first and second substrates between the first and second substrates, and includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors
Data Source
AI summary
A display panel and a display apparatus having the same, in which the display panel comprises a liquid crystal layer comprising first and second substrates which are disposed opposite to each other; and a color filter layer which is formed on a surface of one of the first and second substrates facing each other, and includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors. The provided display panel and display apparatus have decreased manufacturing costs and simplified manufacturing process.