Linear RGB LED Array Color Control for Gradient Dressing Room Lighting
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Solution Overview
Problem
Conventional dressing room lighting often creates unflattering conditions due to harsh, color-distorted overhead lighting, leading to unfavorable customer experiences and reduced sales, as existing solutions like side-lit mirrors are bulky, maintenance-intensive, and fail to provide gradient illumination.
Innovation Solution
A modular lighted mirror system with a linear array of color-variable LEDs, a power supply, and a power regulating circuit that adjusts light intensity and color based on location and ambient conditions, allowing for user-preferred or remote-sensed lighting profiles, enhancing viewing comfort and sales.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional overhead fluorescent or halogen lighting is used in dressing rooms, then illumination is provided, but harsh shadows and color distortion occur creating unflattering conditions
Solution Approach 1:
The lighting system is segmented into multiple independent LED modules arranged in arrays around the mirror. Each module can be controlled independently to provide distributed illumination from multiple angles, eliminating harsh shadows while maintaining brightness. The segmentation allows different zones to provide different lighting functions.
Solution Approach 2:
Different regions of the lighting system provide different color temperatures and intensities tailored to specific viewing needs. The system implements local quality control by adjusting color temperature (e.g., 2700K-10000K range) and intensity in different mirror zones to optimize skin tone representation and reduce color distortion in specific areas.
2Object-affected harmful factors
If side-lit mirrors with conventional bulbs are used, then illumination is improved, but the system becomes bulky and maintenance-intensive
Solution Approach 1:
The system replaces conventional mechanical bulb-based lighting with solid-state LED technology. This substitution eliminates bulky bulb housings and glass components, enabling sleek integrated mirror designs. LEDs provide the same or better illumination quality with significantly reduced size, no filament breakage, and no mercury containment issues.
Solution Approach 2:
The lighting system integrates multiple functions into a single unit: illumination, color adjustment, dimming control, and ambient sensing. The LED modules serve both as light sources and as controllable elements that can adapt to different lighting conditions and user preferences, replacing multiple separate lighting fixtures with one universal system.
3Illumination intensity
If conventional bulbs are used in side-lit mirrors, then illumination is provided, but bulbs burn out quickly requiring frequent maintenance
Solution Approach 1:
The system uses numerous inexpensive LED modules that can be individually replaced if needed, rather than relying on a few expensive conventional bulbs. Each LED module is designed to be a simple, low-cost component with no fragile parts, providing long operational life (typically 50,000+ hours) without the frequent failures of incandescent or fluorescent bulbs.
4Illumination intensity
If conventional side-lit mirrors are installed, then lighting is provided, but substantial heat is generated affecting HVAC and creating burn risks
Solution Approach 1:
The system replaces incandescent and fluorescent bulb systems with LED technology, which converts significantly more electrical energy into light rather than heat. LEDs operate at much lower temperatures, eliminating the need for heat shielding and reducing HVAC loads. The solid-state nature of LEDs prevents filament overheating and glass envelope heat buildup.
5Stability of the object's composition
If uniform intensity illumination is provided by LED arrays, then lighting is consistent, but gradient illumination is needed for natural appearance
Solution Approach 1:
The lighting system implements gradient illumination by varying intensity and color temperature across different zones of the mirror. Upper and lower portions of the mirror can display different color temperatures (e.g., warmer at bottom, cooler at top) and different intensities to match natural lighting patterns and human skin tone variations at different body levels, creating a more flattering and natural appearance.
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 system provides optimized, gradient-intensity lighting that reduces shadowing and enhances color differentiation, improving customer experience and sales by offering customizable, ambient-matching illumination.
Implementation Method 1
a linear array of color variable light emitting elements
Implementation Method 2
light emitting elements to emit light
Data Source
AI summary
An illumination system comprising a light source including a linear array of color variable light emitting elements; a power supply coupled to the array; and a power regulating circuit, coupled between the power supply and the array, effective to activate the light emitting elements to emit light in accordance with a color profile that varies as a function of location on at least a portion of the array. In a specific implementation, the invention includes a camera or other sensor for detecting ambient lighting conditions. This enables the system to adjust the array to achieve ambient lighting conditions in accordance with user preferences or profile. In yet another embodiment, lighting conditions at a remote location at a specific time are sensed by a smartphone camera or other device and coupled to the power regulating circuit for use in adjusting the array to achieve a match of ambient lighting to that or a remote location and time, subject to user adjustments, profile and/or preferences. In the best mode, user commands are entered via a smartphone or via voice using a virtual assistant.