发明名称 MULTILAYER LIGHT GUIDE AND LIGHTING DEVICE USING MULTILAYER LIGHT GUIDE
摘要 PROBLEM TO BE SOLVED: To provide a light guide and a lighting device using the same with occurrence of glare restrained, restrictions on designing reduced, and enabling to reduce manufacturing cost. SOLUTION: At least two sheets of light guide plates 13, 14 of nearly a rectangular shape in plane view made of a translucent material are arrayed separated from each other in a layer in an up-and-down direction, base ends 13a, 14a of the light guide plates 13, 14 are coupled together through a base-end side pinched part 15 positioned between the base ends 13a, 14a of the light guide plates 13, 14 made of a translucent material to form a base end 10a of a light guide 10, and at the same time, tip ends 13b, 14b of the light guide plates 13, 14 are coupled together through a tip-end side pinched part 16 positioned between the tip ends 13b, 14b of the light guide plates 13, 14 made of a translucent material to form a tip end 10b of the light guide 10. The light guide 10 with a hollow part formed surrounded by the light guide plates 13, 14, the base-end side pinched part 15, and the tip-end side pinched part 16 is used for the lighting device. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006302607(A) 申请公布日期 2006.11.02
申请号 JP20050121285 申请日期 2005.04.19
申请人 KOIZUMI SANGYO CORP 发明人 SAKUMA SUSUMU;TAKAHASHI SHINYA
分类号 F21V8/00;F21S2/00;F21Y103/00;G02B6/00 主分类号 F21V8/00
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