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Patent Searching and Data


Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/044607
Kind Code:
A1
Abstract:
The present disclosure addresses the problem of providing an illumination device that can improve design freedom of an enclosure. The illumination device according to the present disclosure is provided with: an enclosure (2); a light source (80) provided in the enclosure (2); and an optical member (9) which is provided in the enclosure (2) and in which light emitted from the light source (80) is let in from an incidence surface (911). The enclosure (2) or the optical member (9) includes an emission surface (94) for emitting light that has passed through the optical member (9) to the outside of the enclosure (2). The area (S2) of the emission surface (94) is smaller than the area (S1) of the incidence surface (911).

Inventors:
YOKOTA HIROSHI
KUMAGAI ISSEI
Application Number:
PCT/JP2018/030929
Publication Date:
March 07, 2019
Filing Date:
August 22, 2018
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21S9/02; F21V5/00; F21V5/04; F21V8/00; F21V23/00; F21V33/00; G08B17/00; F21Y115/10
Foreign References:
JPH10111988A1998-04-28
JP2003036488A2003-02-07
JP2017084023A2017-05-18
JP2013025996A2013-02-04
Other References:
See also references of EP 3680546A4
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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