Planar Illumination Control for HMD Food Photography
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Solution Overview
Problem
Existing illumination systems, such as those using incandescent lamps, fluorescent lamps, and LEDs on HMDs, struggle to control light characteristics like emission direction, wavelength, and intensity in detail, making it difficult to achieve desired illumination effects for food or beverages.
Innovation Solution
A control device and method that includes an illumination condition deciding unit to automatically determine illumination conditions for a planar array of light emission points, allowing precise control of light characteristics for an illuminating device, enabling detailed control of illumination light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional illumination devices (incandescent lamps, fluorescent lamps, LEDs on HMD) are used, then the illumination system is simple to implement, but detailed control of light characteristics (emission direction, wavelength, intensity) cannot be achieved
Solution Approach 1:
The illumination system is divided into multiple independent light emission points arranged in a planar array, where each point can be controlled individually. This segmentation enables detailed control of light characteristics across different spatial positions, achieving precise illumination patterns while maintaining a relatively simple overall device structure.
Solution Approach 2:
The patent transitions from traditional point or linear light sources to a two-dimensional planar array of light emission points. This dimensional expansion allows for sophisticated control of emission direction, wavelength, and intensity across the illumination plane, enabling detailed light characteristic control without proportionally increasing device complexity.
2Ease of operation
If manual control of illumination conditions is implemented, then the system is simple to design, but user convenience is reduced due to required manual manipulation
Solution Approach 1:
The illumination system automatically decides illumination conditions based on predetermined information without requiring manual user input. The system self-adjusts emission direction, wavelength, and intensity parameters by processing information about the illumination target, thereby improving user convenience while implementing meaningful automation.
Solution Approach 2:
The system uses predetermined information about the illumination target to automatically adjust illumination conditions. This feedback mechanism allows the system to adapt illumination parameters based on the specific characteristics of the target object, achieving both automation and user convenience without complex manual controls.
3Manufacturing precision
If a planar array of light emission points is used, then detailed control of illumination light is achieved, but the device structure becomes more complex
Solution Approach 1:
Multiple light emission points are merged into a unified planar array structure that functions as a single controllable illumination unit. This merging approach enables detailed control of illumination characteristics while presenting a compact, integrated device structure that does not excessively increase overall complexity.
Solution Approach 2:
The planar array of light emission points serves multiple functions simultaneously: controlling emission direction, adjusting wavelength, and regulating intensity. This multi-functionality allows detailed illumination control to be achieved without proportionally increasing device complexity, as a single structural element performs multiple control tasks.
Data Source
AI summary
It is possible to further improve convenience of a user. Provided is a control device including an illumination condition deciding unit that decides illumination conditions which are conditions for controlling emission lights from respective light emission points for an illuminating device which includes a plurality of the light emission points arranged in a planar shape and emits an illumination light as the emission lights of the respective light emission points are controlled, in which the illumination condition deciding unit automatically decides the illumination conditions on the basis of predetermined information.