Patterned Plasma Barrier Array for Display Module
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Solution Overview
Problem
Existing electrophoretic display screens with micro-cup and microcapsule structures suffer from low contrast, resolution, and service life due to the thickness and complexity of these structures, leading to increased power consumption, slower response times, and higher manufacturing costs.
Innovation Solution
A plasma display module with a patterned structure that replaces traditional micro-cup or microcapsule structures, utilizing a plasma barrier array to uniformly disperse and stabilize the display plasma between pixel and transparent electrodes, with a simpler manufacturing process and reduced thickness, enhancing contrast and response time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If microcapsules or micro-cup structures are used to encapsulate display plasma, then the display plasma is dispersed and contained, but the thickness of the display material layer increases
Solution Approach 1:
The invention extracts and eliminates the microcapsule or micro-cup encapsulation structures from the display system. Instead of using these thick encapsulating layers, the patent applies a plasma barrier array directly to the substrate, which contains and disperses the display plasma without requiring the additional thickness of microcapsule walls or micro-cup structures.
Solution Approach 2:
The invention segments the plasma barrier into an array of discrete barrier elements (such as vertical barriers or ridges) rather than using a continuous encapsulating layer. This segmented structure provides effective plasma containment and dispersion while minimizing the overall thickness of the display material layer, as the barriers only extend partway through the layer rather than forming complete encapsulating shells.
2Stability of the object's composition
If microcapsules or micro-cup structures are used, then display plasma is encapsulated, but the contrast and resolution of the display screen are lowered
Solution Approach 1:
The invention removes the microcapsule or micro-cup structures that were degrading contrast and resolution. By eliminating these thick encapsulating layers, light can pass more directly through the display plasma, improving the contrast ratio and resolving power of the display screen while maintaining effective plasma containment through the plasma barrier array.
3Stability of the object's composition
If microcapsules or micro-cup structures are used, then display plasma is contained, but the response speed and refresh speed are slowed
Solution Approach 1:
The invention extracts the microcapsule or micro-cup structures that were impeding the response speed. By removing these thick encapsulating layers, the display plasma can respond more quickly to electrical signals, enabling faster response times and higher refresh rates while the plasma barrier array maintains adequate containment.
Solution Approach 2:
The segmented plasma barrier array provides containment with less material between the plasma and the electrodes, reducing the distance that electrical signals must traverse and the plasma must move in response. This segmentation enables faster response and refresh speeds compared to the thick continuous walls of microcapsules or micro-cups.
4Stability of the object's composition
If microcapsules or micro-cup structures are used, then display plasma is dispersed, but the manufacturing process becomes complicated
Solution Approach 1:
The invention extracts and eliminates the complex microcapsule or micro-cup manufacturing processes. Instead of requiring encapsulation of individual droplets or formation of micro-cup structures, the patent uses a plasma barrier array that can be formed using simpler deposition or patterning techniques, significantly reducing manufacturing complexity while maintaining plasma dispersion.
5Stability of the object's composition
If microcapsules or micro-cup structures are used, then display plasma is contained, but the manufacturing cost increases
Solution Approach 1:
The invention removes the microcapsule or micro-cup structures that drive up manufacturing costs. By replacing these complex encapsulation structures with a simpler plasma barrier array, the manufacturing process becomes more efficient, material waste is reduced, and overall production costs decrease while containment functionality is preserved.
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 patterned structure increases contrast by over 10%, reduces response time to under 80 milliseconds, lowers driving voltage, broadens the operating temperature range, and decreases manufacturing costs while improving yield and display effect.
Implementation Method 1
The electrophoresis display uses the phoresis phenomenon of the charged colloidal particles under the action of an electric field to display the images and words by driving the electrophoretic particles with different photoelectric properties by the electric field
Data Source
AI summary
The present invention belongs to the field of electronic display technology, and relates to a display plasma module with a patterned structure, including a pixel electrode and a transparent electrode located above the pixel electrode, characterized in that a display plasma is provided between the pixel electrode and the transparent electrode. A spacer frame is located around the display plasma. A plasma barrier array for uniformly dispersing and stabilizing the display plasma is provided on the pixel electrode and/or the transparent electrode. The plasma barrier array includes a plurality of plasma barrier frames distributed in an array. The display plasma module of the present invention replaces the existing micro-cup structure or microcapsule with the display plasma, and the plasma barrier array for uniformly dispersing and stabilizing the display plasma is provided in the display plasma.