Color Filter Integrating Viewing Angle Control in Display Devices
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Solution Overview
Problem
Current display devices require separate viewing angle control films, which increase thickness and complexity, and do not efficiently manage light transmission and blocking for optimal user viewing angles.
Innovation Solution
Incorporating a color filter with both viewing angle control and color filter functions on the display device's substrate, allowing specific light transmission and blocking, thereby eliminating the need for a separate viewing angle control film.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a separate viewing angle control film is used, then viewing angle control is achieved, but device thickness increases and manufacturing complexity increases
Solution Approach 1:
The patent combines the viewing angle control function and color filter function into a single integrated color filter layer. The color filter is designed with specific optical properties that enable both color separation and viewing angle control, eliminating the need for a separate viewing angle control film and thereby reducing device thickness.
Solution Approach 2:
The color filter is designed to perform multiple functions simultaneously: it acts as both a color filter for separating light wavelengths and a viewing angle control element for managing light transmission directions. This multi-functionality reduces the number of separate components needed in the display device.
2Ease of operation
If a separate viewing angle control film is used, then viewing angle control is achieved, but manufacturing process complexity increases
Solution Approach 1:
The patent merges the viewing angle control function into the color filter layer, which is an existing necessary component in display devices. This integration reduces the total number of layers and components that need to be manufactured and assembled, thereby simplifying the manufacturing process.
Solution Approach 2:
The integrated color filter performs both color filtering and viewing angle control functions, reducing the number of separate manufacturing steps and assembly operations required. This multi-functional design streamlines the production process and reduces manufacturing complexity.
3Ease of operation
If multiple separate films are used for different functions, then functional performance is achieved, but material costs increase
Solution Approach 1:
The patent combines multiple functional requirements (color filtering and viewing angle control) into a single color filter layer, reducing the total quantity of materials needed. This integration eliminates redundant materials and reduces overall material costs while maintaining the required functional performance.
Solution Approach 2:
The color filter is designed to provide multiple functions (color separation and viewing angle control) simultaneously, reducing the need for separate functional films and thereby reducing the total material quantity and associated costs.
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 solution simplifies the manufacturing process, reduces material costs, and achieves a thinner display device by integrating viewing angle control directly into the color filter, ensuring optimal light management for the user's perspective.
Implementation Method 1
a color filter arranged on the first substrate, wherein the color filter transmits a specific light incident from the front and blocks other light
Data Source
AI summary
A display device according to an embodiment includes a first substrate including a display area including a plurality of pixels and a non-display area surrounding the display area, and a color filter arranged on the first substrate, wherein the color filter transmits a specific light incident thereon and blocks other light.