PROBLEM TO BE SOLVED: To provide a luminaire which arbitrarily changes a lighting mode of an arbitrary area in a lighting range without complicating a structure of an optical system.SOLUTION: A luminaire 1 includes: a coherent light source 4 which emits coherent light; and an optical element 3 which diffuses the coherent light. The optical element 3 has: a first diffusion region in which the coherent light is diffused to light a first range; and a second diffusion region in which the coherent light is diffused to display predetermined information in a second range.SELECTED DRAWING: Figure 1
【課題】光学系の構成を複雑にすることなく、照明範囲内の任意の領域の照明態様を任意に変更する。【解決手段】照明装置1は、コヒーレント光を発光するコヒーレント光源4と、コヒーレント光を拡散させる光学素子3と、を備える。光学素子3は、コヒーレント光を拡散させて、第1範囲を照明する第1拡散領域と、コヒーレント光を拡散させて、第2範囲に所定の情報を表示する第2拡散領域と、を有する。【選択図】図1
LUMINAIRE
照明装置
2017-09-21
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 / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G09F DISPLAYING , Anzeigewesen |