A vehicle headlamp (1) is provided with: a lamp unit (10) having a plurality of light-emitting elements (13); a boundary determination unit (50) that determines a boundary between a bright region in which the brightness is varied and a dark region that should be darker than the bright region; and a control unit (CO) that controls the lamp unit (10) in such a manner that the illuminance of light irradiated to each irradiation point (20) of an irradiation point row (21) formed by irradiation points (20) irradiated by light from the light-emitting elements (13) overlapping the boundary (51) is equal to or less than the illuminance of light irradiated to an irradiation point (20) adjacent to the bright region side of the irradiation point (20), and the illuminance of light irradiated to the irradiation point row (21) is equal to or less than the illuminance of light irradiated to the irradiation point row (21) adjacent to the bright region side of the irradiation point (20). The illuminance of the light irradiated to the irradiation point (20) adjacent to the dark area side of the irradiation point (20) is greater than or equal to the illuminance of the light irradiated to the irradiation point (20), and the total amount of the light irradiated to the irradiation point row (21) from the lamp unit (10) is reduced according to the proportion of the part overlapped with the dark area in the irradiation point row (21).
车辆用前照灯(1)具备:灯具单元(10),其具有多个发光元件(13);交界决定部(50),其决定应变亮的亮区域和应比亮区域暗的暗区域的交界;控制部(CO),控制部(CO)以如下方式控制灯具单元(10),向由与交界(51)重合的发光元件(13)的光所照射的照射点(20)构成的照射点列(21)的每一个照射点(20)照射的光的照度为向与该照射点(20)的亮区域侧邻接的照射点(20)照射的光的照度以下,且为向与该照射点(20)的暗区域侧邻接的照射点(20)照射的光的照度以上的同时,从灯具单元(10)向照射点列(21)照射的光的总量根据该照射点列(21)中的与暗区域重合的部位的比例而变少。
Vehicle headlamp
车辆用前照灯
2024-03-19
Patent
Elektronische Ressource
Chinesisch
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 |