Electrically Adjustable Diffusion Panel for Film Lighting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing light diffusion techniques in film and video production are labor-intensive and require frequent changes of diffusion materials to achieve desired softness levels, as they lack adaptability to changing set conditions and physical space requirements, leading to inefficiencies in achieving the right lighting effects.
Innovation Solution
An electrically adjustable diffusion panel with remotely controllable transparency, using polymer dispersed liquid crystal (PDLC) film, allows for continuous adjustment from fully transparent to fully opaque, enabling instant changes in light softness without physical intervention, accommodating various lighting needs and set conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional diffusion materials are used, then light diffusion effects can be achieved, but frequent manual changes of materials are required to adapt to changing set conditions
Solution Approach 1:
The patent applies the dynamics principle by implementing diffusion panels with electrically controllable transparency that can be adjusted remotely and continuously. This allows the diffusion properties to change dynamically in response to varying set conditions, eliminating the need for manual material changes and enabling rapid adaptation to different lighting requirements throughout film production.
Solution Approach 2:
The patent implements parameter changes by using materials whose optical properties (transparency/diffusion level) can be modified electrically. By changing the electrical state of the diffusion panel, the light diffusion parameter can be adjusted continuously from transparent to opaque, providing adaptability without physical material replacement and reducing time loss.
2Adaptability or versatility
If multiple diffusion materials are kept on hand for different effects, then lighting flexibility is improved, but equipment complexity and labor requirements increase
Solution Approach 1:
The patent applies universality by designing diffusion panels that can perform multiple functions through electrical control. A single diffusion panel can provide various diffusion effects (from transparent to opaque) by changing its electrical state, eliminating the need to maintain multiple separate diffusion materials and reducing equipment complexity while preserving lighting flexibility.
Solution Approach 2:
The dynamic controllability of the diffusion panels allows one piece of equipment to replace multiple static diffusion materials. The electrical adjustment mechanism enables a single panel to adapt to different lighting scenarios, reducing the overall equipment inventory needed and simplifying the lighting setup while maintaining versatility.
3Ease of operation
If manual adjustment of diffusion materials is used, then precise control over light softness is achieved, but labor intensity and operational time increase
Solution Approach 1:
The patent replaces the mechanical system of manually installing and adjusting physical diffusion materials with an electrical control system. Remote electrical adjustment allows operators to change diffusion levels instantly without physical intervention, significantly improving the speed of achieving lighting effects while maintaining precise control over light softness.
Solution Approach 2:
The electrically controllable diffusion panels enable self-service operation where the lighting system can be adjusted remotely and instantly by the operator. This eliminates the need for manual material handling and installation, allowing rapid adaptation to changing set conditions and improving overall productivity in film production.
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
This solution streamlines the process of achieving desired light softness levels by eliminating the need for frequent material changes, enhancing adaptability and efficiency in film and video production, allowing for precise control of light diffusion to match changing conditions and visual goals.
Implementation Method 1
using polymer dispersed liquid crystal (PDLC) film, allows for continuous adjustment from fully transparent to fully opaque
Data Source
AI summary
Diffusing light illuminating a light target or subject of a film or video production including placing a diffusion panel between a light source and a light target, energizing said light source so as to direct light therefrom through the diffusion panel, and electrically adjusting the transparency of the diffusion panel by changing an electric potential applied to electrodes of the diffusion panel. The electrically adjustable diffusion panel eliminates the need for manually changing diffusion papers or other filters and provides a continuous range of selectable levels of transparency/diffusion.