Patent ID: 9613793
Date: 2017-04-04
CPC Classifications: F21S,H01K

Claim:
1. Lamp for automotive vehicle front lighting, comprising a base for mechanical and electrical connection to an automotive headlight, said base having a longitudinal axis, a burner fixed to said base, said burner comprising an enclosed transparent vessel, at least a first and a second filament arranged within said vessel, and a baffle arranged proximate to said first filament to partially shield light emitted from said first filament, wherein said baffle is of concave shape and includes at least a bottom surface and side surfaces, said side surfaces terminating in side edges, and wherein said baffle further includes a front surface arranged at an axial front end of said baffle, the axial front end being the axial end of said baffle closest to the second filament, where at least a part of said front surface is arranged between said first and second filaments to shield said second filament from light emitted from said first filament, wherein the front surface extends higher than the side edges of the baffle, and wherein the front surface and the side edges form a sloping transition, wherein said side edges each comprise a central portion extending, in a side view, at least straight and in parallel to said longitudinal axis, said straight central portions starting, in a side view, at a distance (a) along said longitudinal axis from said front end of no more than 2.8 mm, and wherein an edge height is defined as a distance between said bottom surface and a plane defined between said straight central portions of said side edges, where said edge height is more than 2.8 mm.