Vehicle Interior Glass Panel With Injected Backing for Safe Lighting
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Solution Overview
Problem
The automotive industry seeks decorative glass panels that balance aesthetics, illumination flexibility, safety, and weight, while avoiding the limitations of plastic panels and ensuring seamless light integration without additional elements.
Innovation Solution
A decorative glass panel comprising a glass sheet with an internal backing made of a hard, transparent or translucent material, integrated through injection molding, which adheres to the glass sheet to enhance safety and provide illumination control, and can be chemically tempered for strength and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a security film is added to hold glass fragments in case of breakage, then safety is improved, but device complexity and integration complexity increase
Solution Approach 1:
The patent merges the security film function with the backing structure by integrating the adhesive layer directly into the backing that is already required to hold the glass sheet. This eliminates the need for a separate security film layer, reducing integration complexity while maintaining safety functionality through the unified backing assembly.
2Adaptability or versatility
If edge lighting is integrated through the edges of the glass sheet, then illumination flexibility is improved, but light contamination on the whole decorative glass panel occurs
Solution Approach 1:
The patent applies local quality by positioning light-absorbing or light-blocking elements specifically at the edges of the glass sheet where lighting integration occurs. This localized treatment prevents light from spreading uncontrollably across the entire panel while maintaining the desired illumination flexibility at specific locations.
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 lightweight, safe, and aesthetically pleasing glass panel with controlled illumination, meeting safety and industrial process requirements, reducing weight and integration complexity, and ensuring seamless light distribution.
Implementation Method 1
The backing integrally covers the internal face of the glass sheet. The backing is made of a material adapted to be injected, such material presenting a hardness of at least 50 Shore A
Implementation Method 2
The luminous transmittance of the backing is at least 1%, preferably at least 5%, more preferably at least 10%, even more preferably at least 50%
Data Source
AI summary
A decorative panel for a vehicle's interior. The decorative panel includes a glass sheet with an internal and an external face. The decorative panel further includes a backing. The backing integrally covers the internal face of the glass sheet. The backing is made of a material adapted to be injected, the material presenting a hardness of at least 50 Shore A. The luminous transmittance of the backing is at least 1%. The decorative panel may be used in combination with a light source.