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:
May. 17, 2011
Filed:
Jul. 07, 2010
Yoshinori Shimizu, Anan, JP;
Kensho Sakano, Anan, JP;
Yasunobu Noguchi, Anan, JP;
Toshio Moriguchi, Anan, JP;
Yoshinori Shimizu, Anan, JP;
Kensho Sakano, Anan, JP;
Yasunobu Noguchi, Anan, JP;
Toshio Moriguchi, Anan, JP;
Nichia Corporation, Anan-shi, JP;
Abstract
A device for emitting various colors by mixing light from a first light emitting diode and light from a second light emitting diode comprises, according to one embodiment: the first light emitting diode including an LED chip comprising InGaN and being capable of emitting a blue color light, and a phosphor capable of absorbing a part of the blue color light and emitting a yellow color light, the blue color light and the yellow color light being mixed to make white-color light; the second light emitting diode being capable of emitting red, green or blue color light; and a drive circuit for separately driving each of the first and second light emitting diode.