LED Cyclorama Light Uniform Illumination Heat Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cyclorama lights are bulky, inconvenient to adjust, generate excessive heat, and lack flexibility in light distribution and color variation, making them difficult to use for both flat and curved surfaces and limiting their application in theatrical settings.
Innovation Solution
A cyclorama light utilizing an array of individually controllable RGBA LEDs with an optically efficient reflector and lens system that provides uniform light distribution, reduces heat generation, and allows for quick color changes without the need for filters, enabling efficient and safe operation on various surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional incandescent or halogen bulbs are used in CYC lights, then sufficient light output is achieved, but excessive heat is generated causing lamp housing overheating and gel filter deterioration
Solution Approach 1:
The patent transitions from traditional incandescent/halogen bulb light sources to LED light sources, fundamentally changing the operational parameters of the lighting system. LEDs operate at significantly lower temperatures while maintaining sufficient illumination intensity, thereby resolving the heat generation problem without sacrificing light output capability
Solution Approach 2:
The patent replaces the thermal-based illumination mechanism of incandescent bulbs with the electroluminescence mechanism of LEDs. This substitution eliminates the excessive heat generation inherent in traditional bulb-based systems while maintaining the required light output for cyclorama illumination
2Illumination intensity
If monochromatic light sources with gel filters are used, then desired colored light effects are achieved, but frequent color changes are difficult and inconvenient
Solution Approach 1:
The patent changes the fundamental parameter of light source color emission from fixed (monochromatic bulbs requiring physical filter changes) to variable (multi-color LED chips). The LED array can electronically switch between different wavelengths and color combinations, enabling rapid and convenient color changes without physical filter manipulation
Solution Approach 2:
The patent directly implements color change capability through the use of multi-color LED chips that can emit different wavelengths. This eliminates the need for gel filters and allows for easy, frequent, and even dynamic color transitions controlled electronically, significantly improving operational convenience
3Ease of manufacture
If a standard lamp size is used in CYC lights, then manufacturing is simplified, but the light cannot accommodate different lamp sizes or types
Solution Approach 1:
The patent creates a universal lighting platform using LED arrays that can accommodate various form factors and power requirements. The modular LED design allows the same basic housing and mounting structure to support different LED chip configurations, enabling both standardization for manufacturing and adaptability for different application requirements
4Reliability
If CYC lights are designed for specific lamp types, then optimal performance is achieved, but lamp replacement flexibility is reduced
Solution Approach 1:
The patent designs the CYC light housing and mounting system to be universally compatible with different LED module configurations. This universal design maintains optimal lighting performance through proper optical geometry while allowing flexible replacement of LED modules without requiring housing modifications, thus improving ease of repair
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 compact, adjustable, and energy-efficient LED cyclorama light that can easily switch between different light patterns and colors, enhancing safety and operational convenience while maintaining uniform illumination on both flat and curved surfaces.
Implementation Method 1
an array of individually controllable RGBA LEDs
Implementation Method 2
an optically efficient reflector and lens system
Data Source
AI summary
A cyclorama light includes a generally enclosed housing forming an interior compartment having a normally horizontal housing axis and an open front defining a window generally arranged within a plane parallel to said axis. A reflector substantially covers the window and has an operative portion that has a substantially uniform cross-section along the housing axis. An LED light emitter array extends along a line substantially parallel to the housing axis, the reflector having a surface configuration and the LED array being arranged in relation to the reflector surface to provide a higher flux density directed toward a far end of a wall or surface to be illuminated and provide a lower flux density directed toward a direction of the near end of the surface to be illuminated, generating a transition flux density between the far and near ends of the surface to be illuminated. The LED array and/or the reflector have optical features for eliminating shadows in the projected light over the entire illuminated surface.