Vanity Mirror Light Pipe for Uniform Peripheral Illumination
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Solution Overview
Problem
Conventional vanity mirrors suffer from image distortion due to poor reflective surfaces and harsh light sources, and their light sources are often energy inefficient and difficult to adjust.
Innovation Solution
A mirror assembly featuring a base, reflective face, sensor, electronic processor, and adjustable light sources with a light pipe that maintains constant illumination along its periphery, using light scattering elements to distribute light evenly and efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional light sources are used in vanity mirrors, then illumination is provided, but energy efficiency is poor and light distribution is uneven
Solution Approach 1:
A light pipe is introduced as an intermediary component between the LED light source and the mirror surface. The light pipe receives light from the LED and distributes it uniformly along its length, eliminating the uneven light distribution problem while maintaining energy efficiency of the LED source
Solution Approach 2:
The light pipe is designed with varying light scattering properties along its length. Light scattering elements are strategically positioned to create different light distribution characteristics in different regions, ensuring uniform illumination across the entire mirror surface
2Illumination intensity
If light sources are positioned to provide illumination, then lighting is achieved, but harsh light sources cause image distortion
Solution Approach 1:
The light pipe acts as a mediator that softens and diffuses the light before it reaches the mirror surface. This eliminates the harsh direct light that causes image distortion while still providing sufficient illumination for grooming tasks
Solution Approach 2:
Light scattering elements are positioned at specific locations along the light pipe to create a soft, diffused light pattern. This localized scattering approach ensures that light is gently distributed across the mirror surface, preventing harsh shadows and distortions
3Illumination intensity
If light scattering elements are added to the light pipe, then light distribution is improved, but device complexity increases
Solution Approach 1:
Light scattering elements are positioned only at specific critical locations along the light pipe where light distribution needs adjustment. This selective positioning achieves uniform light distribution while minimizing the number of scattering elements and overall structural complexity
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 solution provides a vanity mirror with reduced image distortion, energy-efficient lighting, and adjustable illumination, enhancing the grooming experience by minimizing bright spots and dark areas while conserving energy.
Implementation Method 1
a light pipe having a length and positioned around at least a portion of the periphery of the mirror
Implementation Method 2
a light scattering region, such as a plurality of light scattering elements disposed along the length of the light pipe
Data Source
AI summary
A mirror assembly can include a housing, a mirror, and a light source. In certain embodiments, the mirror includes a light pipe configured to emit a substantially constant amount of light along a periphery of the mirror. In some embodiments, the mirror assembly includes a sensor assembly. The sensor assembly can be configured to adjust the amount of emitted light based on the position of a user in relation to the mirror. Certain embodiments of the mirror include an algorithm to adjust light based on the position of a user relative to the mirror, the level of ambient light, and/or the activation of different light modes.