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. 23, 2012
Filed:
Jan. 29, 2007
Yasushi Hattori, Kawasaki, JP;
Shinya Nunoue, Ichikawa, JP;
Genichi Hatakoshi, Yokohama, JP;
Shinji Saito, Yokohama, JP;
Naomi Shida, Tokyo, JP;
Masahiro Yamamoto, Kawasaki, JP;
Yasushi Hattori, Kawasaki, JP;
Shinya Nunoue, Ichikawa, JP;
Genichi Hatakoshi, Yokohama, JP;
Shinji Saito, Yokohama, JP;
Naomi Shida, Tokyo, JP;
Masahiro Yamamoto, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A light-emitting device is provided, which includes a substrate having a plane surface, a semiconductor light-emitting element mounted on the plane surface of the substrate and which emits light in a range from ultraviolet ray to visible light, a first light transmissible layer formed above the substrate and covering the semiconductor light-emitting element, a phosphor layer formed above the first light transmissible layer and containing phosphor particles and matrix, and a second light transmissible layer formed above the phosphor layer and contacting with the plane surface of the substrate. The surface of the phosphor layer has projections reflecting shapes of the phosphor particles.