Lighting unit for motor vehicles

Details Lighting unit for motor vehicles Lighting unit for motor vehicles

2008-01-08

2008-01-08

Cariaso, Alan (Department: 2885)

Illumination

Supported by vehicle structure

Plural light sources

C362S236000, C362S248000

Reexamination Certificate

active

10551490

ABSTRACT:
A lighting unit for vehicles has a plurality of semiconductor light sources distributed in a grid. The grid of semiconductor light sources is divided into at least two grid segments, the grid segments being each activatable independently of each other and/or assigned to a different light functions, with an optical element in the beam path of a light beam emitted by the semiconductor light sources. The semiconductor light sources (3) are arranged on a common carrier substrate (5), with a chip cover (6) transparent to light in the direction of light propagation, in that the chip cover (6) is filled with a light-scattering and/or light-converting auxiliary material (8) and in that a shading device (9) is provided such that, in the boundary region between the activated grid segment (10) and the unactivated grid segment (11), a relatively steep transition of light intensity is adjustable to form a light/dark boundary.

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patent: 2003/0165061 (2003-09-01), Martineau
patent: 2004/0000867 (2004-01-01), Chen

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