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. 09, 2012
Filed:
May. 14, 2008
Makoto Abe, Hitachiota, JP;
Akitoyo Konno, Hitachi, JP;
Kaoru Katayama, Hadano, JP;
Takeshi Miitsu, Isehara, JP;
Makoto Abe, Hitachiota, JP;
Akitoyo Konno, Hitachi, JP;
Kaoru Katayama, Hadano, JP;
Takeshi Miitsu, Isehara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A lighting system has light-emitting diodes as light sources mounted on a circuit board, in which the light-emitting diodes include a red light-emitting diode, blue light-emitting diode and a green light-emitting diode, the light-emitting diodes are constituted of one single unit including one for each of the red, blue and green light-emitting diodes, and the one single unit is repeatedly arranged as plural pieces on the same circuit board, and each of the red, blue and green light-emitting diodes is individually connected electrically to emit a light.