PROBLEM TO BE SOLVED: To achieve uniformalization of illuminance on a license plate without restricting a position of a light source.SOLUTION: A license plate lighting device 1 disposed above a license plate P of which a display surface is so provided upright as to be directed towards a vehicle rear includes: an LED 2; a light-incident part 31 into which light from the LED 2 is injected; and a light-emission part 33 which emits light from the light-incident part 31 towards the display surface of the license plate P. A light-emission part 33 of a light guide lens 3 is positioned a vehicle rear side with respect to the LED 2, and has a front side emission surface 331 and rear side emission surface 332 which illuminate an upper region Pand a lower region Pof the license plate P which are different from each other in a vertical direction. The front side emission surface 331 and the rear side emission surface 332 are formed such that the rear side emission surface 332, which illuminates the relatively lower region of the license plate, emits more quantity of light.

    【課題】光源の位置を拘束することなく、ライセンスプレートにおける照度の均一化を図る。【解決手段】表示面を車両後方に向けて立設されたライセンスプレートPの上方に配置されたライセンスプレート照明装置1は、LED2と、LED2からの光を内部に入射させる入光部31、及び、当該入光部31からの光をライセンスプレートPの表示面に向けて出射させる出光部33を有する導光レンズ3とを備える。導光レンズ3の出光部33は、LED2よりも車両後側に位置するとともに、ライセンスプレートPのうち上下方向に互いに異なる上側領域PUと下側領域PLを照らす前側出射面331と後側出射面332を有する。前側出射面331及び後側出射面332は、ライセンスプレートPのうち相対的に下側の領域を照らす後側出射面332の方が多くの光量の光を出射させるように形成されている。【選択図】図5


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    Titel :

    LICENSE PLATE LIGHTING DEVICE


    Weitere Titelangaben:

    ライセンスプレート照明装置


    Beteiligte:

    Erscheinungsdatum :

    2016-01-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



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