A vehicular interior lighting device includes a main body portion fixed to a roof, a first light source and a second light source accommodated in the main body portion, a light shielding cover portion covering the first and second light sources from below, a light guide member having a protruding portion protruding along the inside surface from a gap between the main body portion and the cover portion, and a condensing lens disposed between the second light source and the light guide member. The light guide member has a diffusion portion formed on a surface of the protruding portion facing downward and a reflecting portion reflecting light emitted from the second light source toward a part of the diffusion portion. The diffusion portion emits light in whole by light emitted from the first light source and partially emits light by light emitted from the second light source.
Vehicular interior lighting device and roof module
2020-03-24
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED |