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:
Nov. 03, 2009
Filed:
Feb. 07, 2006
Hiroki Iwanaga, Yokohama, JP;
Akio Amano, Kawasaki, JP;
Kenji Shimomura, Kawasaki, JP;
Kazuaki Otsuka, Yokosuka, JP;
Hiroki Iwanaga, Yokohama, JP;
Akio Amano, Kawasaki, JP;
Kenji Shimomura, Kawasaki, JP;
Kazuaki Otsuka, Yokosuka, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A lighting device including a supporting member, a light emitting element disposed on the supporting member, and emitting light from an upper and side surfaces thereof, a first fluorescent layer containing an organic phosphor and disposed on the supporting member, and a second fluorescent layer containing only an inorganic phosphor and disposed on the supporting member, wherein the second fluorescent layer is disposed to cover the upper and side surfaces of the light emitting element, and the first fluorescent layer is disposed on at least side surface of the light emitting element with the second fluorescent layer being interposed between the light emitting element and the first fluorescent layer.