To provide a vehicle head light which can easily set light quantity distribution in light distribution pattern.SOLUTION: A vehicle head light 10 comprises: a light emission part 20 having a plurality of first light emission regions 21a which are arranged in a matrix form, and a second light emission region 21b located between two first light emission regions 21a; and a first recording part 30 for recording a relationship among a plurality of light distribution patterns, first positional information of each first light emission region, and a first reference value indicating power of first light emitted from each first light emission region 21a in each light distribution pattern. Further, the vehicle head light 10 comprises: a selection part 41; a calculation part 45 which calculates a second reference value indicating power of second light emitted from the second light emission region 21b on the basis of each first reference value according to the light distribution pattern selected by the selection part 41; and a control body part 47 which controls light emission of each first light emission region 21a and light emission of the second light emission region 21b with each first reference value and second reference value.SELECTED DRAWING: Figure 1
【課題】 配光パターンにおける光量分布を簡単に設定することができる車両用前照灯を提供すること。【解決手段】 車両用前照灯10は、マトリクス状に配列される複数の第1発光領域21a及び2つの第1発光領域21aの間に配置される第2発光領域21bを有する発光部20と、複数の配光パターン、それぞれの第1発光領域の第1位置情報、及びそれぞれの配光パターンにおいてそれぞれの第1発光領域21aから出射する第1光のパワーを示す第1基準値の関係を記録する第1記録部30とを備える。また、車両用前照灯10は、選択部41と、選択部41によって選択された配光パターンに応じたそれぞれの第1基準値を基に第2発光領域21bから出射する第2光のパワーを示す第2基準値を算出する算出部45と、それぞれの第1基準値及び第2基準値でそれぞれの第1発光領域21aの発光及び第2発光領域21bの発光を制御する制御本体部47とを備える。【選択図】 図1
VEHICLE HEAD LIGHT
車両用前照灯
2021-08-02
Patent
Electronic Resource
Japanese
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 |
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