Vehicle Light Assembly with Dual Arrays and Reflector
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Solution Overview
Problem
Vehicle tail lights often fail to provide sufficient visual differentiation among various functions such as continuous illumination, brake illumination, and turn signal illumination, and existing solutions do not efficiently utilize a single light mounting board to manage multiple light arrays for different functions while providing even, diffused light.
Innovation Solution
A vehicle light assembly with a base housing and a light mounting board featuring two arrays of lights, where one array projects light upward and the other downward, using a reflector with angular surfaces and a diffuser lens to create distinct rings of light for different functions, with a cover lens for dispersion, allowing for separate and even illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple light arrays for different functions are integrated into a single tail light assembly, then the visual differentiation among functions is improved, but the device complexity increases
Solution Approach 1:
The tail light assembly is segmented into multiple independent light arrays (first array, second array, third array) that can be individually controlled to provide different functions (tail light, stop light, turn signal). Each array is spatially separated and can be independently activated, allowing clear visual differentiation while maintaining a unified housing structure.
Solution Approach 2:
The patent utilizes three-dimensional spatial arrangement by positioning light arrays at different locations within the housing (front, rear, side portions) and using multiple reflective surfaces at different angles. This dimensional arrangement allows multiple functions to be distinguished spatially rather than requiring additional complex control mechanisms.
2Productivity
If a single light mounting board is used to retain multiple arrays of lights, then the manufacturing efficiency is improved, but the manufacturing precision requirements increase
Solution Approach 1:
Multiple light arrays are merged onto a single light mounting board that is received within the housing. The mounting board serves as a common platform for securing all light arrays, simplifying the manufacturing process by reducing the number of separate mounting components while maintaining precise positioning through the integrated board structure.
Solution Approach 2:
The light mounting board acts as an intermediary component between the housing and the multiple light arrays. It provides a standardized interface for mounting lights while absorbing the precision requirements, allowing the housing and light arrays to be manufactured separately and assembled with the mounting board as the precision reference element.
3Loss of information
If light arrays are arranged to provide separate rings of light for different functions, then the visual clarity is improved, but the light distribution uniformity becomes more difficult to achieve
Solution Approach 1:
Different portions of the housing and light arrays are designed with specific local qualities optimized for their functions. The housing includes front, rear, and side portions with tailored geometries. Reflective surfaces are positioned at specific angles (e.g., 45 degrees) to direct light in particular directions, ensuring uniform distribution for each light array while maintaining functional separation.
Solution Approach 2:
Diffusing elements are introduced as intermediary components between the light arrays and the external environment. These diffusers scatter and redistribute light from each array to create even, uniform illumination patterns while preserving the functional separation and visual clarity of different light functions.
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 effectively differentiates among tail, stop, and turn light functions by providing distinct and even diffused light rings, enhancing visual clarity and functionality within a single mounting board setup.
Implementation Method 1
The reflector includes at least two reflective surfaces which are in angular relationship to each other. Light passes from the second array of lights to the first reflective surface, thereafter to the second reflective surface
Implementation Method 2
thereafter to and through a diffuser lens. Accordingly, an outer ring of diffused light is provided surrounding an inner ring of light
Data Source
AI summary
A vehicle light assembly with multiple light arrays. The light assembly includes a base housing having a recess and an upstanding edge forming an open top. A light mounting board in the recess has a lower side and an opposed upper side. A first array of lights on the upper side of the mounting board projects light towards the open top. A second array of lights on the lower side of the mounting board projects lights away from the open top. A reflector received in the recess reflects light projected from the second array toward the open top.