Motor vehicle signal lighting device with flexible and transparent light guide
A flexible light guide sheet with integrated light injection elements addresses the lack of efficient automotive lighting by enabling multiple signaling functions with a single device, offering robustness, cost-effectiveness, and adherence to regulatory standards.
JP2026506915APending Publication Date: 2026-02-27VALEO VISION SA
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Patent Information
- Application Number
- JP2025546264
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-02-10
- Filing Date
- 2024-01-24
- Publication Date
- 2026-02-27
AI Technical Summary
Technical Problem
Existing light guiding technologies are not effectively utilized in automotive lighting and signaling, lacking flexibility, robustness, and efficiency for multiple signaling functions.
Method used
A flexible and transparent light guide sheet with integrated light injection elements, capable of guiding and emitting light through total internal reflection, is applied in automotive signaling devices, allowing for multiple signaling functions with a single device using different light sources for each function.
Benefits of technology
The solution provides a lightweight, cost-effective, and robust lighting system that can illuminate large areas with multiple signaling functions, adhering to regulatory standards and optimizing space usage in vehicles.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026506915000001_ABST
Abstract
The present invention relates to a signal lighting device for a motor vehicle (200), the motor vehicle (200) comprising a transparent and flexible light guide (205) including a light guide sheet configured to emit light outside the sheet and at least one group of light injection elements (202a, 202b, 202c) configured to illuminate an area of the guide sheet (201), and light sources (203a, 203b, 203c) connected to the at least one group of light injection elements (202a, 202b, 202c). According to the invention, the light sources (203a, 203b, 203c) have characteristics corresponding to a motor vehicle signal function associated with the light sources (203a, 203b, 203c).
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