Title:
レンズおよびレンズユニット並びにそれらを具備する灯具
Document Type and Number:
Japanese Patent JP4458359
Kind Code:
B2
Abstract:
A light guide unit, a light guide unit assembly, and a lighting device are provided which can efficiently use light emitted from a light source and uniformly radiate light from an elongate rectangular radiating surface. The light guide unit has at least one radiation direction in a direction perpendicular to an optical axis of the light source.
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Inventors:
Daisuke Nagabuchi
Application Number:
JP2005166000A
Publication Date:
April 28, 2010
Filing Date:
June 06, 2005
Export Citation:
Assignee:
Stanley Electric Co., Ltd.
International Classes:
F21S8/10; F21V5/04; F21Y101/02
Domestic Patent References:
| JP2000331523A | ||||
| JP2001067919A | ||||
| JP3101220U | ||||
| JP2004311219A | ||||
| JP57098604U |
Attorney, Agent or Firm:
Kozo Sakakibara