Gaming Cabinet Diffuser Layout for Uniform Artwork Backlighting
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Solution Overview
Problem
Current lighting techniques for gaming machine cabinets often result in uneven backlighting of artwork due to the 'hot spot' effect caused by spot light sources, which can detract from the aesthetic appeal and player enjoyment.
Innovation Solution
A lighting apparatus featuring a translucent diffuser with an inner and outer portion, arranged to intercept and transmit light differently along and away from the central emission axis, respectively, paired with a spot light source such as a light emitting diode (LED), to create a more uniform light distribution and reduce the 'hot spot' effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a spot light source is used to backlight artwork in a gaming machine cabinet, then the artwork can be illuminated, but uneven lighting distribution with hot spots occurs
Solution Approach 1:
A translucent diffuser is introduced as an intermediary component between the spot light source and the artwork. The diffuser includes an inner portion and an outer portion that selectively transmit and scatter light, converting the concentrated spot light into a more uniform illumination pattern across the artwork surface, thereby eliminating hot spots while maintaining aesthetic appeal
Solution Approach 2:
The diffuser is designed with non-uniform structure where the inner portion and outer portion have different light transmission characteristics. The inner portion is positioned to intercept light along the emission axis while the outer portion is spaced from the emission axis, creating localized variations in light diffusion that collectively produce uniform overall illumination
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 more even and aesthetically pleasing lighting effect, enhancing the visual appeal of the gaming machine cabinet by distributing light uniformly across the artwork, while maintaining energy efficiency and ease of control associated with LED lighting.
Implementation Method 1
a translucent diffuser spaced from the spot light source, the diffuser including an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis
Implementation Method 2
the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion
Data Source
AI summary
A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.