Omnidirectional Lighting Control for Orientation-Stable Emission Patterns
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Solution Overview
Problem
When a light-transmissive display is applied to a lighting device capable of illuminating in all directions, setting light-emission patterns becomes complex due to the increased complexity of orientations.
Innovation Solution
A lighting device with multiple light sources that illuminate in all directions, equipped with detectors to sense the installation orientation and a controller that adjusts light-emission patterns accordingly, ensuring consistent patterns regardless of orientation changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a light-transmissive display is applied to a lighting device capable of illuminating in all directions, then the lighting device can illuminate in all directions, but setting light-emission patterns becomes complex due to increased orientation complexity
Solution Approach 1:
The controller pre-stores multiple light-emission patterns corresponding to different installation orientations. When the detector detects the installation orientation, the controller automatically selects and applies the corresponding pre-stored pattern, eliminating the need for complex real-time setting adjustments by the user.
Solution Approach 2:
The lighting device automatically detects its own installation orientation through the detector and autonomously adjusts the light-emission pattern without requiring manual intervention. The system serves itself by self-detecting orientation and self-adjusting the lighting pattern accordingly.
2Adaptability or versatility
If the lighting device changes installation orientation, then the device can adapt to different mounting positions, but the light-emission pattern becomes inconsistent
Solution Approach 1:
The detector continuously monitors the installation orientation and provides feedback to the controller. The controller compares the detected orientation with stored orientation data and automatically adjusts the light-emission pattern to maintain consistency, creating a closed-loop control system that ensures pattern stability despite orientation changes.
Solution Approach 2:
The controller changes the parameters of the light-emission pattern (such as emission direction, intensity distribution, or active light source selection) based on the detected installation orientation. By adjusting these parameters according to the orientation state, the system maintains consistent lighting performance across different mounting positions.
Data Source
AI summary
A lighting device includes: a plurality of light sources that illuminate in all directions; a first detector that detects an installation orientation of the lighting device; and a controller that changes a light-emission pattern of each of the plurality of light sources according to the installation orientation of the lighting device detected by the first detector.