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:
Dec. 13, 2016
Filed:
Dec. 01, 2011
Nobuyuki Kimura, Yokohama, JP;
Koji Hirata, Yokohama, JP;
Hidehiro Ikeda, Yokohama, JP;
HITACHI MAXELL, LTD., Osaka, JP;
Abstract
A light source apparatus which emits light from phosphor by exciting light and in which an efficiency of brightness is improved is provided. The light source apparatus has a light source which emits exciting light; and a metal member to which the exciting light is input, wherein the metal member has a concave portion in a portion to which the exciting light is input, and phosphor to generate phosphor light from the exciting light is coated in the concave portion. The concave portion may have a taper shape. The phosphor may be coated on at least two surfaces of the concave portion. The phosphor may be coated on an area which is equal to or less than the half of a depth of the concave portion. A glass member having a taper shape may be formed at an opening portion of the concave portion.