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:
Jun. 26, 2007
Filed:
Aug. 03, 2004
Tadashi Yano, Kyoto, JP;
Masanori Shimizu, Kyotanabe, JP;
Tadashi Yano, Kyoto, JP;
Masanori Shimizu, Kyotanabe, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
According to the present invention, a substrate, a cluster of LED chips, which are arranged two-dimensionally on the substrate, and a plurality of phosphor resin portionsthat cover the respective LED chips are provided. The phosphor resin portionincludes a phosphor for transforming the emission of its associated LED chip into a light ray having a longer wavelength than that of the emission. A size of the phosphor resin portions, which cover the LED chips located in an outer region of the cluster, is set bigger than that of the other phosphor resin portions, which cover the LED chips located in the remaining non-outer region.