Optical Fixing Device for Compact Light Source Positioning
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Solution Overview
Problem
Existing light source devices using RGB three-color LEDs are large in size and shape, require high manufacturing precision for accurate positioning of optical elements, and have high production costs due to the complexity of optical paths and multiple fixing parts.
Innovation Solution
A compact optical fixing device with integrated fixing parts for solid state light sources, reflecting mirrors, light combination elements, and a condenser lens, arranged in a funnel-shaped configuration to reduce size and enhance accuracy while minimizing production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple optical elements are mounted on different fixing parts, then the positioning accuracy of optical elements can be maintained, but the manufacturing precision requirement for fixing parts increases and production cost increases
Solution Approach 1:
The patent integrates multiple fixing parts (light source fixing part, first reflecting mirror fixing part, second reflecting mirror fixing part, light combination element fixing part, and condenser lens fixing part) into a single integrated fixing structure. This merging reduces the number of separate components while maintaining the positioning accuracy of optical elements through precisely designed integration features.
2Measurement precision
If multiple optical elements are mounted on different fixing parts, then the positioning accuracy of optical elements can be maintained, but the manufacturing precision requirement for fixing parts increases and production cost increases
Solution Approach 1:
The patent integrates multiple fixing parts (light source fixing part, first reflecting mirror fixing part, second reflecting mirror fixing part, light combination element fixing part, and condenser lens fixing part) into a single integrated fixing structure. This merging reduces the number of separate components while maintaining the positioning accuracy of optical elements through precisely designed integration features.
3Illumination intensity
If LED light source devices are arranged in horizontal and vertical directions, then the light sources can be positioned to generate white light, but the overall outer dimension of the light source device becomes large
Solution Approach 1:
The patent transitions from a two-dimensional horizontal and vertical arrangement of LED light sources to a three-dimensional spatial configuration. By utilizing vertical stacking and angular positioning of reflecting mirrors, the system achieves compact packaging while maintaining the optical paths needed for white light generation.
4Illumination intensity
If many optical elements are located along the optical paths, then the light source can provide needed light output, but the positioning accuracy requirement for optical elements increases
Solution Approach 1:
The patent integrates multiple fixing parts (light source fixing part, first reflecting mirror fixing part, second reflecting mirror fixing part, light combination element fixing part, and condenser lens fixing part) into a single integrated fixing structure. This merging reduces the number of separate components while maintaining the positioning accuracy of optical elements through precisely designed integration features.
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 achieves a compact size, high accuracy in relative positioning of optical elements, and reduced production costs, addressing the size and cost issues of existing light source devices while maintaining high luminance and precision.
Implementation Method 1
a condenser lens fixing part used for fixing a condenser lens, the condenser lens being used for converging the light passing through the second light combination element
Implementation Method 2
a second light combination element fixing part used for fixing at least one second light combination element, wherein the second light combination element is used for transmitting some light emitted from the solid state light sources and is not reflected and/or is used for reflecting light reflected by the second reflecting mirrors
Implementation Method 3
second reflecting mirror fixing parts arranged in accordance with at least part of the plurality of solid state light sources, the second reflecting mirror fixing parts being used for fixing second reflecting mirrors
Data Source
AI summary
An optical fixing device includes light source fixing parts for fixing a plurality of solid state light sources, a second light combination element fixing part for fixing at least one second light combination element, a condenser lens fixing part for fixing a condenser lens, and second reflecting mirror fixing parts arranged in accordance with at least part of the plurality of solid state light sources for fixing second reflecting mirrors. The second light combination elements are used for transmitting some light emitted from the solid state light sources and is not reflected and/or are used for reflecting light reflected by the second reflecting mirrors. The condenser lens is used for converging the light passing through the second light combination elements. The optical fixing device is compact in size and shape with low production cost, providing high accuracy for the relative positioning of the optical elements.