The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 05, 2015

Filed:

Feb. 10, 2012
Applicant:

Kohji Minami, Osaka, JP;

Inventor:

Kohji Minami, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/02 (2006.01); F21S 8/00 (2006.01); F21V 8/00 (2006.01); G01N 17/00 (2006.01);
U.S. Cl.
CPC ...
F21S 8/006 (2013.01); G01N 17/002 (2013.01); G02B 6/0026 (2013.01); G02B 6/005 (2013.01);
Abstract

A simulated sunlight irradiation apparatus () has transmittance adjustment members (and) provided above an irradiation surface of a light guide plate () and in the vicinity of either incident face of the light guide plate () on which simulated sunlight is incident. The transmittance adjustment members (and) adjust the transmittance of light in a portion of a wavelength band of simulated sunlight that is emitted from the irradiation surface of the light guide plate (), thus bringing about improvement in spectral coincidence of the simulated sunlight. This provides a simulated sunlight irradiation apparatus that can radiate simulated sunlight with high spectral coincidence.


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