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:
Feb. 10, 2009
Filed:
Oct. 27, 2004
Yoshinori Murazaki, Anan, JP;
Shinpei Kinoshita, Anan, JP;
Masatoshi Kameshima, Anan, JP;
Suguru Takashima, Anan, JP;
Hiroto Tamaki, Anan, JP;
Yoshinori Murazaki, Anan, JP;
Shinpei Kinoshita, Anan, JP;
Masatoshi Kameshima, Anan, JP;
Suguru Takashima, Anan, JP;
Hiroto Tamaki, Anan, JP;
Nichia Corporation, Anan-shi, JP;
Abstract
The present invention provides a fluorescent material comprising a light-storing first phosphor that at least partially converts energy emitted by an excitation source to a first emission spectrum that is different from the energy, and a second phosphor that at least partially converts the first emission spectrum to a second emission spectrum that is different from the first emission spectrum; a lamp equipped with such a fluorescent material; a light-emitting device that produces a whitish afterglow, comprising such a fluorescent material for converting the emission by an LED chip; and a display unit comprising a display equipped with a plurality of such light-emitting devices.