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:
Sep. 02, 2014
Filed:
Feb. 15, 2012
Yuya Yamamoto, Osaka, JP;
Yuya Yamamoto, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A light emitting device includes a white light emitting unit including a first light source emitting a white light; a red light emitting unit including a second light source emitting a white light and a red coating member having a red fluorescent material which converts the white light from the second light source into a red light; and a green light emitting unit including a third light source emitting a white light and a green coating member having a green fluorescent material which converts the white light from the third light source into a green light. The light emitting device further includes a driver for individually driving the white, the red and the green light emitting unit.