Title:
照明器具
Document Type and Number:
Japanese Patent JP4701509
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a luminaire 1 providing uniform illuminating light and capable of easily changing color of the illuminating light by using an LED lamp 10 with strong directivity. SOLUTION: A prism light guide 5 is arranged along an inner circumferential face of a cylindrical globe 2 and the LED lamp 10 is attached to a lower end part.
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Inventors:
Takao Tanaka
Masaaki Nishimura
Masaaki Nishimura
Application Number:
JP2001033884A
Publication Date:
June 15, 2011
Filing Date:
February 09, 2001
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
F21S2/00; G02B5/04; F21S10/00; F21S10/02; F21V9/40; H01L33/48; F21Y101/02
Domestic Patent References:
| JP11260121A | ||||
| JP2000100205A | ||||
| JP3023032U | ||||
| JP10241430A |