To provide a vehicle interior lighting device that can emit light with different luminous intensities to multiple areas using a single light source.SOLUTION: A vehicle interior lighting device includes: a light source; a condenser lens for emitting light while condensing light emitted by the light source; and a projection lens for projecting light emitted by the condenser lens into a cabin. The projection lens has a rear surface constituted of: a flat-surface part constituted of a flat surface; and cut-out-like prism parts provided at predetermined intervals. The projection lens emits light incident upon the flat-surface part and the prism parts to multiple areas inside the cabin.SELECTED DRAWING: Figure 3
車両室内照明装置
2024-06-24
Patent
Elektronische Ressource
Japanisch
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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen |