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.
Patent No.:
Date of Patent:
Sep. 18, 2012
Filed:
Oct. 08, 2008
Kazuhiko Morizawa, Miyagi, JP;
Sung-kil Lee, Miyagi, JP;
Takahiro Igarashi, Kanagawa, JP;
Tsuneo Kusunoki, Tokyo, JP;
Kazuhiko Morizawa, Miyagi, JP;
Sung-kil Lee, Miyagi, JP;
Takahiro Igarashi, Kanagawa, JP;
Tsuneo Kusunoki, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An illuminating device includes a fluorescent lamp including a blue phosphor and a red phosphor applied on an inner surface, the fluorescent lamp emitting blue light and red light from the blue phosphor and the red phosphor, respectively; and a green phosphor layer disposed outside the fluorescent lamp, the green phosphor layer containing a green phosphor containing Euor Ceas a luminescent center. Green light emitted from the green phosphor excited by the blue light is mixed with the red light and the blue light so that white light is emitted from the illuminating device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile