PROBLEM TO BE SOLVED: To provide a vehicle projection device capable of making it easier for a target person outside of a vehicle to notice a notification in a case of providing the notification to the target person by projecting light onto a road surface.SOLUTION: A vehicle projection device comprises: an optical system 31; a projection position control unit 324 adjusting a direction of an optical axis of the optical system and a focus; and a projection color control unit 325 controlling timing of turning on and off a red LED 311, a blue LED 312, and a green LED 313 serving as light sources, the projection color control unit 325 projecting light to be projected in front of a notification target person from the optical system in order of colors by controlling the timing of turning on and off the red LED 311, the blue LED 312, and the green LED 313.
【課題】路面に光を投射することで車外の対象者に報知を行う場合に、この報知が対象者により気づかれやすくなるようにできる車両用投射装置を提供する。【解決手段】光学系31と、光学系31の光軸の向きやフォーカスを調整する投射位置制御部324と、光源としての赤色LED311、青色LED312、緑色LED313の点灯及び消灯のタイミングを制御する投射色制御部325とを備え、投射色制御部325は、赤色LED311、青色LED312、緑色LED313の点灯及び消灯のタイミングを制御することで、光学系31から報知対象者の前方に投射させる光を、色ごとに順番に投射させる。【選択図】図4
VEHICLE PROJECTION DEVICE
車両用投射装置
2016-01-14
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 |
Vehicle with projection device, projection device and projection method thereof
European Patent Office | 2020
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