Dual-Reflector Screen Magnifying Display for Extended Viewing
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Solution Overview
Problem
The rise in short-sightedness among children due to prolonged use of electronic devices at close distances, coupled with the impracticality of maintaining optimal reading and viewing distances, necessitates a solution that allows for extended visual distance without compromising academic performance or leisure time.
Innovation Solution
A screen magnifying display device utilizing a combination of concave and convex mirrors to project images at extended distances, with integrated optical components to correct image distortion and maintain image clarity, featuring a foldable design and additional functionalities like hidden cameras and processors for image processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the visual distance between the book and eyes is extended to reduce eye strain and prevent short-sightedness, then eye health is improved, but the text and patterns become smaller and harder to distinguish
Solution Approach 1:
The patent uses a camera to capture the book content and displays it on a screen, creating a digital copy of the physical book. This allows the text to be enlarged and viewed at a greater distance while maintaining readability, resolving the contradiction between viewing distance and text distinguishability.
Solution Approach 2:
The patent replaces the mechanical/optical system of direct visual observation with an electronic imaging system (camera and display). This substitution enables the text to be captured, processed, and displayed at any size and distance, eliminating the trade-off between viewing distance and text clarity.
2Object-affected harmful factors
If the text and patterns are enlarged to improve visibility at extended distances, then eye health is improved, but the manipulation scope of hands is exceeded
Solution Approach 1:
By creating a digital copy of the book content on a display screen, the system allows users to view enlarged text at a comfortable distance while keeping the physical book or device within normal manipulation range. The digital copy decouples the viewing size from the physical object size.
3Object-affected harmful factors
If the visual distance is extended beyond 40 centimeters to protect eye health, then eye strain is reduced, but the text and image quality deteriorate
Solution Approach 1:
The camera captures high-resolution images of the book content, and the display screen presents these images at any desired size and distance. This digital copying process maintains or even enhances image quality compared to direct viewing, while allowing the user to position the display at an ergonomically comfortable distance.
Solution Approach 2:
The patent transitions from two-dimensional direct visual observation to a multi-dimensional system involving optical capture, digital processing, and electronic display. This dimensional transformation allows independent control of image quality and viewing distance, eliminating the inverse relationship between the two.
4Device complexity
If a single reflector is used to magnify and project the display image, then device complexity is reduced, but image distortion increases
Solution Approach 1:
The patent divides the optical magnification function into two separate reflectors instead of using a single reflector. The first reflector performs initial magnification while the second reflector corrects the image distortion introduced by the first. This segmentation of the optical path allows each component to be optimized for its specific function, achieving both simplicity and image quality.
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
Enables clear image projection at distances up to 7 meters, reducing eye strain and maintaining image quality while allowing flexible use and monitoring, thus addressing the issue of short-sightedness and eye fatigue.
Implementation Method 1
A first reflector is mounted on the inner sider of the upper shell and receives an image of a display module below the upper shell
Implementation Method 2
A second reflector is mounted on the inner sider of the lower shell, receives the reflection image projected by the first reflector, and reflects and forwardly projects the reflection image to form a projection image
Implementation Method 3
at least one of the first reflective sheet and the second reflective sheet is a concave mirror. Hence, the aforementioned screen magnifying display device utilizes the imaging principle of the virtual images of the concave mirror to enlarge the image of the display module by several times and to form the enlarged image of the display module 2 at a position of which a distance is several times longer than an object distance
Data Source
AI summary
A screen magnifying display device is provided and includes an upper shell, a lower shell, a connection mechanism and a support. A first reflector is mounted on the inner sider of the upper shell and receives an image of a display module below the upper shell. A second reflector is mounted on the inner sider of the lower shell, receives the reflection image projected by the first reflector, and reflects and forwardly projects the reflection image to form a projection image. The connection mechanism is connected to one end of the upper shell and one end of the lower shell, the first reflector and the second reflector are disposed at an included angle. The support is disposed on the outer side of the lower shell. The second reflector is constituted for reducing the image distortion of the first reflector.