Screen Visor for Reducing Ambient Light Reflection
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Solution Overview
Problem
Existing devices fail to effectively reduce ambient light reflection on electronic screens in bright outdoor conditions without compromising portability, ease of use, power consumption, or image fidelity.
Innovation Solution
A device with a planar support structure, an opaque bottom layer, a non-reflective top layer, and an attachment mechanism that extends at an angle from the bottom edge of the screen, specifically designed to block low-angle ambient light and prevent specular reflection while allowing diffuse light to reach the screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If full-hood designs are used to block ambient light, then screen visibility is improved, but device portability and ease of use deteriorate
Solution Approach 1:
The light-blocking function is segmented into a separate removable visor component rather than integrating it into the main device structure. This allows the visor to be attached only when needed for outdoor use, maintaining device portability and ease of use while effectively blocking ambient light reflection from the screen.
Solution Approach 2:
The light-blocking functionality is extracted from the main device body and implemented as a separate accessory (visor) that can be attached to the device. This extraction allows the core device to remain portable and easy to use, while the separate visor component provides the necessary ambient light blocking when needed.
2Object-affected harmful factors
If three-quarter hoods are used to block ambient light, then some light blocking is achieved, but device portability and effectiveness deteriorate
Solution Approach 1:
The visor is designed with an asymmetric single-panel structure that extends specifically from the top edge of the display at an optimized angle. This asymmetric design provides effective light blocking for the critical viewing angle without requiring cumbersome multi-panel structures, thereby maintaining portability while improving light blocking effectiveness.
Solution Approach 2:
The light blocking is achieved by extending the visor in a specific spatial dimension (from the top edge at an angle) rather than attempting to block light from all directions. This dimensional approach provides effective protection against the most problematic light paths while minimizing the overall structure size and maintaining portability.
3Object-affected harmful factors
If single-panel visors are used to block ambient light, then some protective qualities are provided, but light blocking effectiveness and device complexity worsen
Solution Approach 1:
The single-panel visor implements partial action by blocking only the critical paths of ambient light that cause screen glare, rather than attempting to block all ambient light from all directions. This partial approach achieves sufficient light blocking effectiveness for the primary viewing scenario while keeping the structure simple and avoiding excessive complexity.
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 device significantly improves screen visibility in bright conditions by reducing specular reflection, maintaining portability and power efficiency, and preserving image fidelity.
Implementation Method 1
a non-reflective top layer affixed to a second side of the planar support structure
Implementation Method 2
an opaque bottom layer affixed to a first side of the planar support structure
Data Source
AI summary
A device is disclosed for reducing specular reflection when an electronic device having a backlit screen is used in an environment with a large amount of ambient light. A specular reflection-reduction device includes a panel configured to extend from a bottom edge of a display screen of an electronic device and toward eyes of a user.