Modular Display Assembly for Vehicle Interior
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Solution Overview
Problem
The integration of backlit display assemblies into vehicle interior parts complicates manufacturing and often requires additional steps, making it desirable to simplify the process while maintaining aesthetic homogeneity.
Innovation Solution
A modular display assembly comprising a carrier panel with a recessed display region, a diffuser layer, and a surface panel, which creates an optical transmission layer and can be easily integrated into vehicle interior parts, allowing for separate manufacturing and efficient installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a display assembly is integrated into a vehicle interior part, then visual homogeneity is improved, but manufacturing complexity increases
Solution Approach 1:
The display system is divided into separate modular components: a display module containing the display panel and light sources, and a vehicle interior part with integrated lighting features. This segmentation allows each component to be manufactured independently and then assembled, reducing overall manufacturing complexity while maintaining visual homogeneity through coordinated design.
Solution Approach 2:
The display panel is positioned within a recessed display region of the vehicle interior part, creating a nested structure. The light sources are arranged in layers with diffuser layers positioned between them, creating nested optical paths. This nesting allows the display to be integrated into the interior part's geometry without adding external bulk, maintaining aesthetic homogeneity while simplifying assembly.
2Reliability
If additional manufacturing steps are added to integrate display assemblies, then display integration is improved, but manufacturing efficiency decreases
Solution Approach 1:
The display panel, light sources, and diffuser layers are pre-assembled into a complete display module before integration into the vehicle interior part. The recessed display region is pre-formed in the interior part. This preliminary preparation allows for quality control and testing to be performed on the display module independently, ensuring reliable integration while reducing the number of steps required during final assembly.
Solution Approach 2:
The display module integrates multiple functions into a single assembly: the display panel provides visual information, light sources provide illumination, and diffuser layers distribute light. By merging these components into a pre-assembled module, the system achieves reliable display integration while reducing manufacturing steps during vehicle assembly, as the entire display system can be installed as one unit.
3Measurement precision
If light sources are placed close together, then display resolution is improved, but light uniformity deteriorates
Solution Approach 1:
Diffuser layers are positioned between the light sources and the display panel to act as intermediaries. These diffuser layers scatter and redistribute the light from closely-spaced light sources, creating a more uniform illumination pattern across the display panel. This allows the light sources to be placed close together for high resolution while maintaining light uniformity through the mediating diffuser layers.
Solution Approach 2:
The lighting system uses multiple layers of light sources and diffusers arranged in three-dimensional space rather than a single plane. By distributing light sources across multiple layers and using diffusers to scatter light in different directions, the system achieves both high resolution (through close spacing) and uniformity (through multi-dimensional light distribution).
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
This modular design streamlines the manufacturing process, enhances visual homogeneity, and allows for easy replacement, improving manufacturing efficiency and aesthetic appeal by providing a more modular and aesthetically integrated display solution.
Implementation Method 1
create an optical transmission layer between the display panel and the diffuser layer
Implementation Method 2
diffuser layer that at least partially covers the recessed display region
Data Source
AI summary
A modular display assembly that can easily be installed in a vehicle interior part. The modular display assembly includes a carrier panel having an outer frame and a recessed display region, a display panel situated in the recessed display region of the carrier panel, a diffuser layer that at least partially covers the recessed display region at a location spaced from the display panel to thereby create an optical transmission layer between the display panel and the diffuser layer, and a surface panel that at least partially covers the diffuser layer. The surface panel at least partially rests against the outer frame of the carrier panel.