Spectrum Control Device for Accurate Color Shade Identification
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Solution Overview
Problem
Current systems fail to accurately replicate various light spectra, leading to inconsistent color perception of visual targets, especially when observing objects under different sunlight conditions, which affects the accuracy of color shade identification.
Innovation Solution
A spectrum control device and program that measure and control the spectrum of light emitted by a light emitting device or image light based on measurement results, allowing for the reproduction of environments with specific light spectra, enabling the simulation of various lighting conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If current systems are used to illuminate visual check targets, then illumination is provided, but the spectrum of light does not accurately match sunlight conditions, leading to inaccurate color shade identification
Solution Approach 1:
The patent applies parameter changes by precisely controlling the spectral parameters of illumination light to match sunlight characteristics. The system adjusts the spectral power distribution across different wavelengths to replicate sunlight's unique spectral profile, thereby improving color shade identification accuracy while maintaining adaptability to different observation conditions.
Solution Approach 2:
The patent employs copying by creating a spectral copy of sunlight using artificial illumination sources. The system measures and replicates the spectral characteristics of natural sunlight, producing artificial light with matching spectral properties. This allows accurate color evaluation without requiring physical relocation of objects to outdoor sunlight conditions.
2Measurement precision
If objects are physically relocated to different environments for color evaluation under various lighting conditions, then accurate color perception under specific lighting can be achieved, but time and cost increase
Solution Approach 1:
The patent replaces the mechanical system of physically relocating objects with a spectral control system. Instead of moving objects to different environmental conditions, the system controls and adjusts the spectral properties of illumination light in place. This substitution eliminates time-consuming physical relocation while maintaining accurate color perception under various simulated lighting conditions.
Solution Approach 2:
The patent applies preliminary action by pre-measuring and storing spectral characteristics of different natural lighting conditions (such as sunlight at various times of day). These spectral profiles are then readily available for reproduction when needed, eliminating the need for real-time environmental relocation. The spectral data is prepared in advance for quick retrieval and application.
3Adaptability or versatility
If multiple light emitting devices with different spectra are used, then various lighting conditions can be simulated, but system complexity increases
Solution Approach 1:
The patent applies universality by designing a spectral control system that can reproduce multiple different lighting conditions using a single integrated device. The system uses wavelength conversion materials with different characteristics to generate various spectral profiles from a single light source, eliminating the need for multiple separate light emitting devices. This multi-functional approach reduces system complexity while maintaining the ability to simulate diverse lighting environments.
Data Source
AI summary
A spectrum control device includes a control unit that obtains spectrum information. The control unit controls at least one of a spectrum of light emitted by a light emitting device or a spectrum of image light that forms an image, on the basis of the spectrum information.