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Patent Searching and Data


Title:
LIGHTING DEVICE AND LIGHTING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/198527
Kind Code:
A1
Abstract:
This lighting device has a light emitting element, a first lens, and a second lens. The first lens faces the light emitting element, and has an irradiation port for radiating light, a first input surface, a second input surface, a first reflection surface, and a second reflection surface. The second lens faces the irradiation port. The first input surface faces the light emitting element, and guides light to the irradiation port, said light having been emitted from the light emitting element. The second input surface guides light to the outer peripheral direction of the first lens, said light not passing through the first input surface. The first reflection surface reflects and guides to the irradiation port the light transmitted from the second input surface. The second reflection surface reflects and guides to the irradiation port light deviated from the direction toward the irradiation port after passing through the first input surface, and light deviated from the direction toward the irradiation port after being reflected by the first reflection surface.

Inventors:
KADORIKU SHINJI
MURASE RYOMA
MATSUDA TAKASHI
FUJITA MASARU
Application Number:
PCT/JP2015/002610
Publication Date:
December 30, 2015
Filing Date:
May 25, 2015
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21S8/10; B60Q1/12; F21S8/12; F21W101/10; F21Y101/02
Domestic Patent References:
WO2007013563A12007-02-01
Foreign References:
JP2009238615A2009-10-15
JP2004071409A2004-03-04
Other References:
See also references of EP 3163154A4
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
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