Dynamic Thin Film Pattern for Portable Electronic Device Display
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Solution Overview
Problem
Existing portable electronic devices face limitations in display region space due to manufacturer symbols, which are costly to produce and reduce available space, and lack flexibility in layout design.
Innovation Solution
A portable electronic device design featuring a thin film pattern that is visible when not in use and invisible when in use, integrated into the touch panel or display panel, utilizing a light transmissive protection board, touch sensing layer, and polymer dispersed liquid crystal materials, which changes visibility based on electric or magnetic field variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manufacturer symbols are made by nameplate or printing methods, then the symbols are visible and identifiable, but the production cost increases and space in the display region is reduced
Solution Approach 1:
The patent applies a thin film pattern that changes its optical properties based on electric field or magnetic field variations. When not in use, the thin film pattern is visible and can display manufacturer symbols or information. When in use, the thin film pattern becomes invisible, thereby increasing the effective display region space without permanently reducing the available area.
Solution Approach 2:
The thin film pattern's visibility is dynamically controlled through electric field or magnetic field variations. This dynamic switching capability allows the same physical space to serve dual purposes: displaying information when static and maximizing display area when active, thus resolving the contradiction between visible identification and space utilization.
2Loss of information
If manufacturer symbols are displayed continuously on the device, then brand identification is maintained, but the available display region is reduced and layout flexibility is limited
Solution Approach 1:
The thin film pattern provides dynamic control over brand identification display. It can be made visible when the device is not in use for brand recognition purposes, and invisible during operation to maximize layout flexibility and display region availability, thus resolving the contradiction between maintaining identification and achieving design versatility.
Solution Approach 2:
The thin film pattern's ability to change its optical state allows it to display brand information selectively. When in the visible state, it provides brand identification; when in the invisible state, it allows full layout flexibility. This conditional visibility resolves the contradiction between information retention and design adaptability.
3Loss of information
If a thin film pattern is made visible when not in use, then brand identification and information display are enabled, but the display region space is reduced when the pattern is visible
Solution Approach 1:
The thin film pattern dynamically switches between visible and invisible states based on device usage. When the device is not in use, the pattern is visible for information display. When the device is in use, the pattern becomes invisible, thereby restoring the full display region space. This temporal separation resolves the contradiction between information display capability and display region space.
Data Source
AI summary
A portable electronic device is provided suitable for operation by a single user. The portable electronic device comprises a main body and at least a thin film pattern. The main body has a display region and a non-display region coupled to the display region. The thin film pattern is disposed on a local region of the display region, on a local region of the non-display region, or on both a local region of the display region and a local region of the non-display region. The thin film pattern is visible while a user does not operate the portable electronic device. The thin film pattern is invisible while a user operates the portable electronic device.