Luminaire with Position Detection for Dynamic Light Distribution
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Solution Overview
Problem
Conventional luminaires that combine ambient and task light lack dynamic control over light distribution, limiting their application to uniform illumination and requiring additional user interfaces for adjusting light output.
Innovation Solution
A luminaire with a task light module and an ambient light module, integrated with position and movement detection means, allowing automatic adjustment of light output based on the fixture's position, using a microprocessor to control LED and OLED light sources, enabling seamless transitions between ambient and task lighting without additional user interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional luminaires use separate point light sources for task light and ambient light, then each light source can be individually controlled, but the light distribution profile is generally constant and limited to uniform illumination
Solution Approach 1:
The luminaire is divided into separate task light module and ambient light module, each with independent light sources and optical systems. This segmentation allows different light distribution profiles (focused for task light, diffuse for ambient light) without requiring a completely redesigned single light fitting structure.
Solution Approach 2:
The luminaire combines multiple functions into a single device: it provides both focused task illumination and diffuse ambient illumination, and can transition between different lighting modes. This multi-functionality achieves versatile light distribution without requiring multiple separate luminaires.
2Extent of automation
If the luminaire uses position and movement detection means with microprocessor control, then automatic adjustment of light output is enabled, but the device complexity increases
Solution Approach 1:
The luminaire automatically detects its own position and movement through integrated position and movement detection means, and self-adjusts the light output ratios without requiring external user input. The system serves itself by using its physical state information to control its lighting function.
Solution Approach 2:
Position and movement detection means provide feedback about the luminaire's physical state to the microprocessor, which then adjusts the light output accordingly. This closed-loop feedback system enables automatic adaptation to different usage scenarios.
3Ease of operation
If additional user interfaces such as dimmers are provided for adjusting light output, then precise control is achieved, but the ease of operation is reduced
Solution Approach 1:
The luminaire eliminates the need for separate user interfaces by making the physical movement of the luminaire itself the control mechanism. The system interprets user actions (moving the luminaire to different positions) directly as lighting control commands, simplifying operation.
Solution Approach 2:
The patent replaces mechanical control interfaces (dimmers, switches) with a sensor-based system that detects position and movement. This substitution eliminates complex mechanical user interfaces while maintaining intuitive control through physical manipulation of the luminaire.
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
Enables intuitive control of light output based on user interaction, providing optimal lighting for tasks while maintaining decorative ambiance, with customizable transition curves and hysteresis for user convenience and flexibility.
Implementation Method 1
position and/or movement detection means may be provided to detect the position and/or displacement of the lighting fixture relative to the base
Implementation Method 2
a task light module for providing task light and an ambient light module for providing ambient or decorative light
Implementation Method 3
the task light module comprises an LED (Light Emitting Diode light source) and the ambient light module comprises an OLED (Organic Light Emitting Diode light source)
Data Source
Figure 1A~1C
Figure 2A~2C
AI summary
A luminaire (1) is disclosed that allows a transfer from ambient light to task light through physical manipulation by the user. The luminaire comprises OLED light sources (5) for generating an ambient light effect and LED light sources (6) for generating a task light effect