Suppression Color Changing Sub-Pixel Units for High Resolution Displays
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Solution Overview
Problem
Current display devices, such as TFT-LCD and AMOLED, require at least three sub-pixels (RGB) per pixel, limiting their resolution improvement and display efficiency.
Innovation Solution
The display device incorporates two suppression color changing sub-pixel units with transparent electrostatic sheets, a suppression color changing light emitting layer, and a transparent pressure deformation sensor, allowing for efficient emission of different colors without a color filter, reducing the number of sub-pixels per pixel and enhancing resolution and display effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If three sub-pixels (RGB) are used for each pixel in TFT-LCD and AMOLED displays, then color reproduction is achieved, but display resolution is limited
Solution Approach 1:
The patent employs suppression color changing sub-pixel units that can emit different colors (red and green) by applying different voltages to the transparent electrostatic sheets, eliminating the need for separate RGB sub-pixels. This color-changing mechanism allows a single sub-pixel to replace multiple traditional sub-pixels, thereby increasing display resolution without proportionally increasing the number of physical sub-pixel structures.
2Ease of manufacture
If color filters are used in TFT-LCD displays, then desired colors are obtained, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent extracts and eliminates the color filter component from the display structure by using suppression color changing sub-pixel units that generate colors through voltage-controlled light emission. This removal of the color filter simplifies the device structure and manufacturing process while maintaining color reproduction capability.
Solution Approach 2:
The patent replaces the optical filtering mechanism (color filters) with an electrical control mechanism (voltage application to transparent electrostatic sheets). This substitution eliminates the need for physical color filter layers and enables dynamic color control through electrical signals, simplifying both structure and manufacturing.
3Productivity
If multiple sub-pixels are used per pixel, then color gamut is achieved, but display efficiency and resolution improvement are limited
Solution Approach 1:
The suppression color changing sub-pixel units serve multiple functions: they can emit different colors by applying different voltages, and a single sub-pixel unit can replace multiple traditional sub-pixels. This multi-functionality increases display efficiency by reducing the total number of sub-pixels needed while maintaining color gamut, thereby improving display resolution.
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 configuration improves display resolution and effect by reducing sub-pixels per pixel, enabling accurate color gamut with rich colors and eliminating the need for a color filter, while the pressure deformation sensor ensures precise control over emitted light.
Implementation Method 1
a suppression color changing light emitting layer disposed between the first transparent electrostatic sheet and the second transparent electrostatic sheet
Implementation Method 2
a transparent pressure deformation sensor disposed at a side of the second transparent electrostatic that is away from the substrate
Data Source
AI summary
A display device includes: a plurality of pixel units, where each pixel unit includes two suppression color changing sub-pixel units configured for exciting light waves of different colors. Each suppression color changing sub-pixel unit includes: a first transparent electrostatic sheet and a second transparent electrostatic sheet which are disposed opposite to each other and insulated from each other, where the first transparent electrostatic sheet is disposed on a substrate and the second transparent electrostatic sheet is disposed on the first transparent electrostatic sheet. The display device further includes: a suppression color changing light emitting layer disposed between the first transparent electrostatic sheet and the second transparent electrostatic sheet; and a transparent pressure deformation sensor disposed at a side of the second transparent electrostatic that is away from the substrate.