Valeo has been granted a patent for a light system that uses a concave light guide to uniformly illuminate objects within a vehicle’s interior. The system includes a light source and optics on the light guide’s upper surface to redirect light for even illumination. GlobalData’s report on Valeo gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Valeo, Cam actuated clutches was a key innovation area identified from patents. Valeo's grant share as of February 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Vehicle interior lighting system with concave light guide

Source: United States Patent and Trademark Office (USPTO). Credit: Valeo SA

A recently granted patent (Publication Number: US11919443B1) discloses a unique light system designed for vehicles. The system includes a light source and a light guide with a concave region that allows light to homogeneously illuminate an article of manufacture within the vehicle's interior. The light guide features upper and lower surfaces with optics on the upper surface to redirect light out of the concave region. Additionally, a guiding device can be connected to the light guide to direct light from the source into the guide, ensuring uniform distribution and intensity of light on the article.

Furthermore, the patent details the configuration of the light guide, specifying the dimensions of the concave region, height, and distance from the article of manufacture for optimal illumination. The system aims to eliminate hot spots and provide a consistent intensity of light ranging from 50 lux to 1000 lux. By incorporating optics that break internal reflection and direct light towards the concave region, the system ensures a uniform distribution of light without any irregularities. The concave region's design, with a radius at the center and two ends, contributes to the arcuate shape of the region, spreading light effectively within the vehicle's interior. Overall, the patented light system offers a novel approach to interior vehicle lighting, focusing on uniform illumination and optimal light distribution for enhanced visibility and aesthetics.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.