Luminaire Sidewall Light Emission Window Design
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Solution Overview
Problem
Conventional pendant luminaires have a thick sidewall that creates an uncomfortable impression due to their height, leading to issues with heat dissipation and potential early failure of electronic components, and they often require elongated wiring.
Innovation Solution
Incorporating a light emission window on the sidewall with a height between 0.1*W and 0.8*W, associated with a second light source, which reduces the perceived thickness and allows for better component placement, reducing the risk of heat-related failures and enabling shorter wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of stationary object
If the sidewall height is increased to accommodate luminaire components, then the space for components is improved, but the visual impression becomes heavy and thick
Solution Approach 1:
The patent introduces a light emission window in the sidewall that emits light horizontally, creating a visual effect that extends the luminous area into the third dimension. This optical dimensionality change masks the actual physical thickness of the sidewall, allowing the housing to maintain sufficient internal volume for components while appearing visually thinner and more elegant.
2Length of stationary object
If luminaire components are positioned in the central region, then the sidewall can be made thinner, but the wiring becomes elongated and heat dissipation is compromised
Solution Approach 1:
By adding the light emission window in the sidewall, the patent creates additional optical paths and perceived spatial depth. This allows the physical housing to be more compact with components positioned optimally for heat dissipation, while the optical effect compensates for the reduced physical dimensions, maintaining the appearance of adequate spacing.
3Shape
If the sidewall is made thinner for aesthetic purposes, then the visual impression is improved, but the space for accommodating components is reduced
Solution Approach 1:
The light emission window creates an optical illusion that extends the luminous area into the sidewall, effectively adding visual volume without increasing physical dimensions. This allows the housing to maintain a thin, elegant profile while the optical effect compensates for the reduced physical space, creating the perception of adequate component accommodation.
4Illumination intensity
If multiple light sources are used for different functions, then the lighting quality is improved, but the device complexity increases
Solution Approach 1:
The patent implements a universal control system that can independently control multiple light sources (first and second light sources) through a single controller. This multi-functionality approach allows different lighting scenarios (e.g., main lighting, ambient lighting, decorative lighting) to be achieved without proportionally increasing control system complexity, as one controller manages all light sources with independent dimming and switching capabilities.
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 luminaire appears thinner while maintaining ample space for components, reducing the risk of electronic failures and providing adjustable light intensity and aesthetic features, such as a decorative effect that masks the actual height.
Implementation Method 1
the sidewall comprises a light emission window which is transmissive for light source light
Data Source
AI summary
A luminaire comprising a housing having a first main face opposite a second main face at a distance W. The first main face comprises a light exit window transmissive for light source light, is bordered by at least one sidewall connecting the first and second main face, and has a length L. The sidewall comprises essentially over its full length L a light emission window which is transmissive for light source light and which has a height H, with H in between 0.1*W to 0.8*W.