Detachable Electrophoretic Display Module for Dynamic Housing Patterns
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Solution Overview
Problem
Conventional electronic device housings, typically made of plastic with printed patterns, lack dynamic and visually appealing designs, as they cannot easily change or display variations in patterns or words.
Innovation Solution
A dual screen electronic device with a detachable display module that includes an electrophoretic display module with microcapsules and a control module, allowing for dynamic display of patterns or words by changing the electrophoretic display module, which can be fixed or detachably positioned on a second casing, enabling easy variation of displayed content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a plastic housing with printed patterns is used, then the device structure is simple and manufacturing is easy, but the patterns are static and visually boring
Solution Approach 1:
The housing is divided into two separate parts: a static plastic housing and a detachable display module. The display module contains the electrophoretic display screen that can show dynamic patterns, while the housing provides structural support. This segmentation allows each part to specialize in its function, resolving the contradiction between manufacturing simplicity and dynamic display capability.
Solution Approach 2:
The detachable display module acts as an intermediary between the static housing and the dynamic display function. It connects to the housing via a connection structure and provides the electrophoretic display screen that enables pattern variation without requiring the entire housing to be complex or difficult to manufacture.
2Adaptability or versatility
If an electrophoretic display module is added to create a detachable display module, then dynamic pattern display is achieved, but the device structure becomes more complex
Solution Approach 1:
The system is segmented into a main housing and a separate detachable display module. This allows the complex electrophoretic display components to be isolated in a modular unit that can be easily attached or removed, preventing the complexity from propagating to the entire device structure.
Solution Approach 2:
The detachable display module is designed with universal connection features that can interface with different housing types. The connection structure includes positioning protrusions and recesses that provide standardized attachment, allowing the same display module to work with various housing configurations without increasing overall device complexity.
3Ease of operation
If the display module is made detachable, then easy updates and customization are enabled, but the connection structure becomes more complex
Solution Approach 1:
The connection structure is segmented into simple positioning protrusions on one part and corresponding recesses on the other part. This segmentation creates a straightforward snap-fit or slide-in connection that is easy to operate for updates while minimizing the complexity of the connection mechanism itself.
Solution Approach 2:
The positioning protrusions and recesses are designed to automatically align and secure the display module to the housing without requiring additional fastening steps or complex alignment procedures. The structure enables users to easily attach or detach the module for updates and customization purposes.
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 detachable display module provides a vivid and dynamic display of patterns or words with variations in brightness and color, surpassing the static nature of conventional plastic housings, and can be easily updated by replacing the electrophoretic display module, enhancing user customization and aesthetic appeal.
Implementation Method 1
Each of the microcapsules has positive and negative charges, and the positive charges and the negative charges have different colors, such as black and white. When an electric field in the electrophoretic display device is changed, the differently colored positive charges and negative charges move upward or downward in accordance with the directions of the electric field.
Data Source
AI summary
A dual screen electronic device includes a main device having a first casing and a display screen, and a detachable display module. The first casing has a first opening. The display screen is located on the first casing and exposed from the first opening. The detachable display module includes a second casing, a power supply module, an electrophoretic display (EPD) module, and a control module. The second casing is detachably positioned on the first casing, and has a second opening. The power supply module is arranged on the second casing. The EPD module is fixed to the second casing, or is detachably positioned on the second casing, and has a display region exposed from the second opening. The control module is selectively located on the second casing or on the EPD module, and is electrically connected to the EPD module and the power supply module.