Prismatic Microcell Film for Screen Vision Correction
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Solution Overview
Problem
Existing solutions for addressing refractive defects in users, such as presbyopia, are often expensive, require professional installation, and are not easily adaptable to changes in visual defects over time.
Innovation Solution
A multilayer film for electronic device screens, comprising a first adhesion layer for easy installation and removal, a second protection layer for scratch resistance, and a third layer of prismatic microcells tailored to the user's visual defect and viewing distance, allowing for customizable correction of refractive errors without the need for eyeglasses or contact lenses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screens are mounted directly on electronic devices with special software to make images sharper for users with refractive defects, then visual correction is achieved, but the cost becomes particularly expensive and professional installation is required
Solution Approach 1:
The vision correction system is segmented into a separate removable film layer that can be applied independently from the electronic device screen. This allows the correction function to be separated from the device assembly process, enabling users to apply it themselves without professional installation while maintaining visual correction effectiveness.
Solution Approach 2:
A film acts as an intermediary layer between the screen and the user's eye. This film incorporates the refractive correction properties without requiring integration into the electronic device itself, thus avoiding complex manufacturing and installation processes while still providing the necessary visual correction.
2Reliability
If eyeglasses with appropriate gradations are worn to correct refractive defects, then visual correction is achieved, but comfort is reduced especially for presbyopic users using smartphones and personal computers
Solution Approach 1:
The vision correction function is merged with the screen protective film itself. Instead of using separate eyeglasses, the corrective properties are integrated directly into the film that adheres to the screen, creating a unified solution that provides both protection and vision correction in one element.
Solution Approach 2:
The film serves multiple functions simultaneously: it protects the screen from damage and provides customized vision correction for the user. This multi-functionality eliminates the need for separate eyeglasses when using the electronic device, improving comfort while maintaining correction effectiveness.
3Reliability
If screens are customized for users with refractive defects, then visual correction is achieved, but adaptability to changes in visual defects over time becomes laborious requiring expert intervention
Solution Approach 1:
The vision correction system is made dynamic and adjustable. Instead of a fixed correction integrated into the device, the film can be removed and replaced by the user with a different correction value as needed. This allows easy adaptation to changing visual defects without requiring expert intervention.
Solution Approach 2:
Multiple films with different correction values can be prepared in advance. When the user's visual defect changes, they can simply switch to a pre-prepared film with the appropriate correction, eliminating the need for complex reconfiguration or expert adjustment.
4Reliability
If screens are mounted with special software and hardware integration, then visual correction is achieved, but time and cost for replacement and modification increase significantly
Solution Approach 1:
The correction system is segmented into a separate removable film that can be independently replaced. This separation from the main device allows users to swap films quickly without requiring technical expertise or time-consuming reassembly, dramatically reducing replacement time.
Solution Approach 2:
The film is designed as a consumable, replaceable component rather than a permanent integrated feature. This allows users to easily discard and replace films as needed without concern for complex recovery or reconfiguration processes, minimizing time loss during replacement.
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 film enables visually impaired users to clearly view screen content without additional vision correction, is easily replaceable by the user, and offers cost and time savings compared to traditional solutions.
Implementation Method 1
the third layer (5) comprises a plurality of prismatic microcells (7) having dioptric and/or prismatic power calculated in relation to at least the visual defect of the user and the distance envisaged between the screen and the user
Data Source
Figure 1~2a
AI summary
A film applicable to a screen of an electronic device to allow a user with a visual defect to correctly view what is reproduced on the screen. The film (1) is multilayer comprising a first layer (2) of adhesion to the screen and a second layer (4) of protection facing the user and a third layer (5) interposed between the first layer (2) and the second layer (4) and having a plurality of prismatic microcells (7) having dioptric and/or prismatic power calculated in relation to a visual defect of the user and the envisaged distance between the screen and the user.