Light Pipe Projection With Masks for Dynamic 3D Image Brightness
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Solution Overview
Problem
Existing lighting assemblies with light pipes fail to effectively project three-dimensional images dynamically.
Innovation Solution
A light-pipe lighting apparatus comprising a light source, a collimating light pipe, an optical sheet, a mask, and a projection light pipe, which modifies light to project illuminated images through a series of transparent and opaque patterns, inverting and reducing the image size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing lighting assemblies with light pipes are used, then the structure is simple and easy to manufacture, but they fail to effectively project three-dimensional images dynamically
Solution Approach 1:
The light pipe system is divided into multiple functional segments: a first light pipe for light transmission, a second light pipe for image projection, and a third light pipe for structural support. This segmentation allows each component to be optimized for its specific function while maintaining overall system versatility for 3D image projection
Solution Approach 2:
The patent implements a nested configuration where the first light pipe is positioned within or adjacent to the second light pipe, and the third light pipe provides structural framework. This nesting approach enables complex 3D image projection functionality while maintaining a compact overall structure that remains manufacturable
2Adaptability or versatility
If a single light pipe is used, then the device is simple, but it cannot provide varying brightness levels for dynamic visual experience
Solution Approach 1:
The lighting system is segmented into multiple independently controllable light pipes, each capable of varying brightness levels. The first light pipe transmits light with adjustable intensity, the second light pipe projects images with variable brightness, and the third light pipe provides structural support. This segmentation enables dynamic brightness control for engaging visual experiences while keeping each individual light pipe component relatively simple
Solution Approach 2:
The patent implements dynamic brightness control by enabling independent adjustment of light intensity in each light pipe segment. The system can dynamically vary the brightness of the first light pipe's transmitted light and the second light pipe's projected images, allowing for dynamic visual effects and adaptability to different viewing conditions
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 apparatus achieves the projection of three-dimensional images with varying brightness levels, providing a dynamic and engaging visual experience.
Implementation Method 1
a collimating light pipe disposed adjacent the light source
Implementation Method 2
an optical sheet disposed adjacent the collimating light pipe opposite the light source
Implementation Method 3
the projection light pipe includes one or more elongated optical members each having a cross-sectional shape of a circle or oval such that as light travels through the projection light pipe, the light is inverted and reduced in size
Data Source
Figure 1
Figure 2A~2C
Figure 3
AI summary
A light-pipe lighting apparatus includes a light source with a collimating light pipe disposed adjacent the light source. An optical sheet is disposed adjacent the collimating light pipe opposite the light source. A mask is disposed adjacent the optical sheet opposite the collimating light pipe. A projection light pipe is disposed adjacent the mask and opposite the optical sheet. Light emitted from the light source is modified as it passes through the collimating light pipe, the optical sheet, the mask, and the projection light pipe thereby projecting an illuminated image. Based on patterns of transparent portions of the mask, corresponding patterns of illuminated images are projected from the light-pipe lighting apparatus.