Reflecting Face Mask for LED Display Glare Reduction
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Solution Overview
Problem
Traditional LED display screens suffer from a severe light intensity contrast and glare phenomenon due to direct light emission, resulting in an unpleasant viewing experience for the audience.
Innovation Solution
A reflecting face mask structure is introduced, where light from LED lamp beads is emitted to an inner surface of a top plate, reflected diffusely, and then scattered evenly, using a combination of top, first side, and partition plates, with a chromium-plated layer for enhanced reflection, to prevent direct light from reaching the audience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a black plastic face mask is filled between LED lamps to improve contrast ratio, then the contrast ratio is improved, but a severe light intensity contrast and glare phenomenon occur
Solution Approach 1:
A reflecting face mask is introduced as an intermediary component between the LED lamps and the audience. The face mask includes a reflecting plate with a diffuse reflecting surface that redirects light from the LED lamps at angles, preventing direct light from reaching the audience while maintaining contrast ratio improvement.
Solution Approach 2:
The face mask utilizes a chromium-plated layer on the reflecting plate to enhance light reflection. The reflective surface properties are optimized to redirect light effectively, transforming the light path from direct to angled reflection, thereby eliminating glare while preserving contrast.
2Illumination intensity
If an atomizing face mask made from transparent plastic is mounted on the LED display screen, then light is scattered through the frosted surface, but direct light still enters human eyes and the effect is not ideal
Solution Approach 1:
The reflecting face mask acts as an intermediary that blocks direct light paths. The chromium-plated reflecting plate with diffuse reflecting surface redirects light at angles, serving as a mediator between the LED light source and the audience to prevent direct light entry while maintaining effective light scattering.
3Object-affected harmful factors
If a reflecting face mask with chromium-plated layer is used to redirect light at angles, then direct light is blocked and viewing experience is improved, but the device structure becomes more complex
Solution Approach 1:
The face mask integrates multiple components into a unified structure: the front plate, reflecting plate, and side plates are combined into a single assembly that covers the LED lamps. This merging reduces the number of separate parts while achieving effective light redirection and blocking.
Solution Approach 2:
The reflecting face mask performs multiple functions simultaneously: it blocks direct light from reaching the audience, redirects light at angles for improved viewing experience, and maintains contrast ratio. The chromium-plated reflecting plate serves both aesthetic and functional purposes.
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 soft and even light distribution, improving the viewing experience by eliminating glare and achieving a 100% pixel filling rate, significantly enhancing the visual quality of the LED display screen.
Implementation Method 1
light emitted by the LED lamp beads is emitted to an inner surface of a top plate, the inner surface of the top plate reflects the light of the LED lamp beads
Implementation Method 2
the outer surface of another face mask unit forms diffuse reflection of the light reflected by the inner surface
Implementation Method 3
with a chromium-plated layer for enhanced reflection
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention provides a reflecting face mask and a Light-Emitting Diode (LED) display device having the same. The reflecting face mask includes a face mask unit (10), the face mask unit (10) includes: a top plate (11), the top plate (11) is a flat plate, an inner surface of the top plate (11) is a reflecting surface, an outer surface of the top plate (11) is a diffuse reflecting surface; and two first side plates (12), provided oppositely and connected with the top plate (11) respectively, a size of a first end of each of the first side plates (12) is greater than that of a second end of the first side plate (12) to make the top plate (11) provided obliquely, a light gap (13)is formed between the first ends of the two first side plates (12). The technical solution of the invention effectively solves the problem in the traditional art that a feeling of viewing an LED display screen is bad.