Portable Device Case with Electroluminescent Panel and Interchangeable Graphics
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Solution Overview
Problem
Existing portable electronic device cases lack the ability to provide a striking, easily alterable illuminated visual appearance while also offering protection and customization options.
Innovation Solution
A case with a translucent or transparent shell incorporating an electroluminescent panel, connected via a PCB with an inverter and transformer to convert DC power from the device to AC, allowing for interchangeable graphics and customizable lighting effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a protective case is provided for portable electronic devices, then the device receives protection, but the visual appearance cannot be easily changed
Solution Approach 1:
The case is divided into a shell and an interchangeable electroluminescent panel that can be separately replaced. The panel is segmented from the main shell structure, allowing users to change only the visual portion without replacing the entire protective case, thus resolving the contradiction between protection and visual adaptability.
Solution Approach 2:
The case incorporates an electroluminescent panel that can dynamically change its visual appearance through electrical control. The panel's illumination state and visual characteristics can be changed on-demand via connector engagement with the portable electronic device, enabling dynamic adaptation of visual appearance while maintaining protective function.
2Illumination intensity
If an illuminated display is incorporated into the case, then visual appearance is enhanced, but the case structure becomes more complex
Solution Approach 1:
The electroluminescent panel is integrated directly into the case shell structure, merging the illumination function with the protective case body. This integration eliminates the need for separate illumination components and reduces overall structural complexity while achieving the desired visual enhancement.
Solution Approach 2:
The electroluminescent panel serves multiple functions: it provides visual appearance enhancement, acts as a protective layer, and enables customization through interchangeable designs. This multi-functionality reduces the need for additional separate components, thereby simplifying the overall case structure despite the added illumination capability.
3Adaptability or versatility
If interchangeable panels are used to customize appearance, then adaptability is improved, but the device complexity increases
Solution Approach 1:
The customization system is segmented into standardized interchangeable panels that fit into a unified interface on the case shell. This segmentation allows multiple panel designs to be used with a single case structure, providing high adaptability without increasing the complexity of the base case design.
Solution Approach 2:
Multiple visual variations are achieved through interchangeable panels that are copies of the same functional component with different visual designs. Rather than creating complex multi-configuration cases, the invention uses simple replicated panel units that can be swapped to achieve customization, thereby maintaining structural simplicity.
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 provides a protective and aesthetically customizable case with illuminated displays that can be easily altered, serving both functional and fashion purposes, including potential use as a safety feature or advertisement accessory.
Implementation Method 1
Electroluminescent (EL) paper is a phosphorescent paper that glows or lights up when an AC current is passed through it from an electrical source
Implementation Method 2
an inverter electrically connected between the connector and the EL panel to convert a DC output from the power source of the portable electronic device into an AC input to drive the EL panel
Implementation Method 3
a transformer electrically connected between the connector and the EL panel, the transformer configured to supply an approximate 180 V AC to the EL panel
Data Source
AI summary
A case for a portable electronic device (especially for an iPhone and the like) comprises a shell 50, an electroluminescent (EL) panel 10 and associated power and control electronics housed on a printed circuit board 20. The electronics on the PCB include a connector 22 for mating with a corresponding connector on the portable electronic device so as to form an electrical connection to a power source in the portable electronic device. Another of the electrical components is There are further provided an inverter 24 and a transformer 26 to convert the low voltage DC power from the portable electronic device into approximately 180 V AC as required to power the EL panel 10. The shell 50 has a clear back 52 through which light produced by the EL panel 10 shines. Interchangeable graphics panels 100 can be slid into a pocket disposed between the EL panel 10 and the back 52 of the shell so as to customise the visual appearance of the case and hence the portable electronic device inside.