PROBLEM TO BE SOLVED: To generate a light distribution pattern in which a center part of an irradiation region becomes bright and an end part becomes dark in a head lamp for generating scanning light by an optical deflector.SOLUTION: First and second optical deflectors 12a, 12b emit first and second scanning light Lb1, Lb2 so that a horizontal direction scanning range Q1 of the first scanning light Lb1 and a horizontal direction scanning range Q2 of the second scanning light Lb2 become a left side and a right side in an irradiation region and also, come into contact with each other. A light source control unit 6 lights a first light source 11a only in a period in which the first scanning light Lb1 is emitted to the irradiation region, and it lights a second light source 11b only in a period in which the second scanning light Lb2 is emitted to the irradiation region.
ヘッドランプ
2018-04-18
Patent
Electronic Resource
Japanese
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / 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 |