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:
Oct. 25, 2011
Filed:
Oct. 20, 2009
Tsuyoshi Oyaizu, Yokohama, JP;
Kozo Ogawa, Yokosuka, JP;
Seiko Kawashima, Yokosuka, JP;
Akiko Takahashi, Urayasu, JP;
Haruki Takei, Kawasaki, JP;
Erika Takenaka, Yokohama, JP;
Tsuyoshi Oyaizu, Yokohama, JP;
Kozo Ogawa, Yokosuka, JP;
Seiko Kawashima, Yokosuka, JP;
Akiko Takahashi, Urayasu, JP;
Haruki Takei, Kawasaki, JP;
Erika Takenaka, Yokohama, JP;
Toshiba Lighting & Technology Corporation, Kanagawa, JP;
Abstract
A lighting device includes a printed wiring board, a plurality of light-emitting elements, a sealing member, and a color conversion unit, and an adhesive layer. The sealing member has light transmitting properties and seals the light-emitting elements mounted on the printed wiring board. The color conversion unit includes a cover member of light transmitting properties, and a fluorescent substance layer provided on the inner surface of the cover member. The adhesive layer has light-transmitting properties, and adheres the sealing member to the fluorescent substance layer of the color conversion unit in an airtight manner.