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. 13, 2006
Filed:
Jul. 16, 2003
Masatoshi Sasuga, Yamanashi-ken, JP;
Yoshihisa Hirayama, Yamanashi-ken, JP;
Ryo Tamura, Yamanashi-ken, JP;
Takashi Akiyama, Tokyo, JP;
Masatoshi Sasuga, Yamanashi-ken, JP;
Yoshihisa Hirayama, Yamanashi-ken, JP;
Ryo Tamura, Yamanashi-ken, JP;
Takashi Akiyama, Tokyo, JP;
Citizen Electronics Co., Ltd., Yamanashi-ken, JP;
Abstract
An LED device comprises a white LED device and a red LED device. The white LED device has a substrate, a blue LED mounted on the substrate for emitting blue light, a transparent resin covering the blue LED and including phosphor particles. The phosphor particle has a quality to convert blue light to white light, if the particle contacts with the blue light. The red LED device has a substrate, a red LED mounted on the substrate for emitting red light, and a transparent resin covering the red LED device is disposed so that emitted red light mixes with the white light emitted from the white LED device.