LUMINAIRE

To provide a luminaire capable of emitting flexible dispersion light of sufficiently diffusing light.SOLUTION: A luminaire comprises a light source and a light diffusion sheet. The light diffusion sheet comprises a light-transmissive surface layer, and a vertical fiber layer where fiber is oriented...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ABE HAYATO, SUZUKI ATSUSHI, ISHIWATARI TOYOAKI, TAMAOKI HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	To provide a luminaire capable of emitting flexible dispersion light of sufficiently diffusing light.SOLUTION: A luminaire comprises a light source and a light diffusion sheet. The light diffusion sheet comprises a light-transmissive surface layer, and a vertical fiber layer where fiber is oriented in a vertical direction. Further, it is preferable that the light source is a light-emitting diode; the surface layer is a fiber sheet; a ratio (T/W ratio) of the vertical direction to horizontal direction of the fiber in the vertical fiber layer is not less than 1.5; and the vertical fiber layer is formed by weaving nonwoven fabric into an accordion manner.SELECTED DRAWING: Figure 1 【課題】十分に光が拡散した柔らかい分散光を発する照明装置を提供すること。【解決手段】光源と光拡散シートからなる照明装置であって、光拡散シートが光透過性の表面層と、繊維が縦方向に配向した縦型繊維層から構成される照明装置。さらには、光源が発光ダイオードであることや、表面層が繊維シートであること、縦型繊維層における繊維の縦方向／横方向比（Ｔ／Ｗ比）が１．５以上であること、縦型繊維層が不織布をアコーディオン状に折りたたんだものであることが好ましい。【選択図】図１