Illuminable Emblem Light Distribution via Raised Edge
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Solution Overview
Problem
Existing motor vehicle emblems are not easily visible at night, requiring a large number of illuminants and being costly to produce.
Innovation Solution
An illuminable emblem design featuring a transparent housing with a flat light conductor and screen, where the raised edge region acts as a deflecting means for light, allowing efficient light distribution with fewer illuminants, and potentially using interfering optics for uniform illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a large number of illuminants are used to illuminate the emblem, then the emblem is clearly visible in darkness, but the production cost and device complexity increase
Solution Approach 1:
The light conductor is divided into a flat region for light input and an encircling raised edge region for light distribution. This segmentation allows a single illuminant to effectively illuminate the entire emblem surface by utilizing the edge region as a light distributing structure, thereby reducing the total number of illuminants needed while maintaining clear visibility in darkness
Solution Approach 2:
The invention transitions from a two-dimensional flat light conductor to a three-dimensional structure with an encircling raised edge region. This dimensional change enables the edge region to act as a light distributing structure that surrounds the flat region, allowing light from a single source to be distributed across the entire emblem surface more efficiently
2Illumination intensity
If the raised edge region is provided with a recess to form deflecting means, then light distribution is improved, but manufacturing complexity increases
Solution Approach 1:
The recess in the raised edge region is integrated directly into the light conductor structure during manufacturing, merging the deflecting means with the light conductor itself. This eliminates the need for separate deflecting components and reduces assembly steps, thereby improving ease of manufacture while achieving favorable light distribution
Solution Approach 2:
The raised edge region with its recess is designed to automatically deflect light through its own geometric structure. The light conductor's edge region serves its dual function as both the light guiding structure and the light deflecting element, eliminating the need for additional deflecting components and simplifying the manufacturing process
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 design reduces the number of required illuminants, making the emblem inexpensive to produce while ensuring it remains identifiable in darkness with favorable light distribution.
Implementation Method 1
a flat light conductor and a screen which is transparent at least in regions are arranged in the cavity such that light can emerge from the flat light conductor and can pass through the screen
Implementation Method 2
deflecting means are provided in the region of the raised edge region, said deflecting means being designed in such a manner that light is deflected by them from the at least one edge region in the circumferential direction of the raised edge region and/or into the flat region of the flat light conductor
Data Source
AI summary
The invention relates to an illuminable emblem, in particular for a motor vehicle, which is simple and inexpensive to produce and which permits easy identifiability in darkness.