Iris Diaphragm Shutter Blades with Transparent Regions for Dynamic Light Patterns
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current entertainment light fixtures lack advanced light effects that can dynamically change to create varied and aesthetically pleasing patterns, limiting the creativity of light designers and programmers in creating complex lighting shows.
Innovation Solution
An iris diaphragm system with a stationary ring, rotatable adjusting ring, and shutter blades featuring transparent regions, which adjusts the diaphragm aperture to create dynamic projection patterns by pivoting the blades and altering the size and shape of the aperture, allowing for the creation of multiple light patterns and effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional iris diaphragms with opaque shutter blades are used, then the structure is simple and easy to manufacture, but the light effect capabilities are limited and cannot create dynamic projection patterns
Solution Approach 1:
The shutter blades are designed with differentiated transparency properties - each blade contains both opaque regions and transparent regions with specific patterns. This local quality variation allows different parts of the same blade to serve different functions: opaque regions block light to define the central aperture, while transparent regions with patterns (lines, circles, shapes) allow light transmission to create projection patterns on surrounding surfaces, thereby enhancing light effect capabilities without requiring complete structural redesign
Solution Approach 2:
The shutter blades are designed to perform multiple functions simultaneously: they control the size of the central diaphragm aperture by pivoting, and they create projection patterns on surrounding surfaces through their transparent regions. This multi-functionality allows a single component to replace what would traditionally require separate elements (aperture control mechanism plus projection pattern generators), improving versatility while managing complexity
2Adaptability or versatility
If the iris diaphragm uses only opaque shutter blades for aperture control, then the manufacturing is simple, but the ability to create varied light patterns is insufficient
Solution Approach 1:
The shutter blades incorporate transparent regions with specific patterns (lines, circles, geometric shapes) in certain areas while maintaining opaque regions in other areas. This local quality differentiation enables the blades to create diverse projection patterns when light passes through the transparent regions, while the opaque regions continue to define the central aperture. The patterns can be integrated into the blade structure during manufacturing, adding functionality without significantly complicating the fabrication process
Solution Approach 2:
The shutter blades are designed as composite structures combining opaque and transparent materials or regions within the same component. This composite approach allows the blades to simultaneously perform light blocking (opaque regions) and light transmission with pattern formation (transparent regions), thereby increasing projection pattern variety while maintaining a unified manufacturable structure
3Adaptability or versatility
If static aperture shapes are used in the iris diaphragm, then the structure is straightforward, but the dynamic light effects required for entertainment lighting are insufficient
Solution Approach 1:
The shutter blades are designed to pivot around pivot points, enabling dynamic adjustment of both the central aperture size and the projection patterns. As the blades pivot, the transparent regions with patterns move relative to the light path, creating dynamically changing projection patterns on surrounding surfaces. This dynamic mechanism allows the iris diaphragm to adapt to different entertainment lighting scenarios, providing varied light effects through simple rotational motion of existing components
Data Source
AI summary
An iris diaphragm comprises a stationary ring, a rotatable adjusting ring, and a plurality of shutter blades. The plurality of shutter blades forms a diaphragm aperture inside the stationary ring and rotation of the adjusting ring moves the shutter blades inside the stationary ring whereby the size of the diaphragm aperture can be changed. The shutter blades are formed as a flat opaque surface and at least one of the shutter blades comprises at least one transparent region formed in said opaque surface. A light fixture comprises such iris diaphragm arranged between a light source generating a light beam and an optical assembly configured to project the light beam along an optical axis.