Double-Sided E-Paper Display Panel With Light Isolation Layer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current e-paper display devices are limited to single-sided displays, restricting their applications due to their inability to display double-sided images.
Innovation Solution
A double-sided e-paper display panel is designed, comprising a first and second substrate, a light isolation layer, and two display medium layers with electrode layers, allowing for independent image display on both sides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-sided e-paper display structure is used, then the device structure is simple and manufacturing is easy, but the display functionality is limited to single-sided images only
Solution Approach 1:
The display panel is segmented into two independent display regions: a first display region with a first substrate, first electrode layer, and first display medium layer, and a second display region with a second substrate, second electrode layer, and second display medium layer. This segmentation allows each region to function independently for single-sided display while collectively enabling double-sided display capability, thus resolving the contradiction between display versatility and structural complexity.
Solution Approach 2:
The invention transitions from a single-sided display structure to a double-sided display structure by adding the second substrate assembly on the opposite side of the first substrate. This dimensional expansion from one side to two sides enables independent image display on both surfaces, significantly enhancing display functionality while maintaining a relatively compact overall structure through the shared encapsulant layer.
2Adaptability or versatility
If double-sided display capability is added to e-paper display devices, then application possibilities are expanded, but device thickness and material costs increase
Solution Approach 1:
The first and second encapsulant layers are merged into a single shared encapsulant layer that encapsulates both the first and second display medium layers. This merging eliminates the need for separate encapsulation structures on each side, reducing overall device thickness and material consumption while maintaining the double-sided display functionality and expanding application possibilities.
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 enables the display of independent images on both sides of the panel, expanding application possibilities while reducing device thickness and material costs.
Implementation Method 1
The first display medium layer and the second display medium layer include a fluid and a plurality of charged particles
Data Source
AI summary
Disclosed is a double-sided e-paper display panel including a first substrate, a second substrate, alight isolation layer, a first display medium layer, a second display medium layer, a first electrode layer, and a second electrode layer. The second substrate and the first substrate are disposed opposite to each other. The light isolation layer is disposed between the first substrate and the second substrate. The first display medium layer is disposed between the first substrate and the light isolation layer. The second display medium layer is disposed between the light isolation layer and the second substrate. The first display medium layer and the second display medium layer include a fluid and a plurality of charged particles. The first electrode layer is disposed between the first substrate and the first display medium layer. The second electrode layer is disposed between the second display medium layer and the second substrate.