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:
Mar. 14, 2006

Filed:

Jan. 23, 2003
Applicants:

Yasumasa Tatewaki, Aichi, JP;

Satoshi Inagaki, Aichi, JP;

Inventors:

Yasumasa Tatewaki, Aichi, JP;

Satoshi Inagaki, Aichi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H01L 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An illumination device having a first light source, a second light source, whose luminous color differs from that of said first light source, and a controller for controlling the illuminating condition of each of the first light source and the second light source is configured. The controller turns on the first light source so that the light intensity of the first light source gradually increases at an early stage of a turning-on operation. Moreover, the controller turns on the second light source when the light intensity of the first light source gradually increases after a lapse of a predetermined time from the start of the turning-on of the first light source.


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