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. 02, 2012
Filed:
Feb. 24, 2011
Kunio Ishida, Tokyo, JP;
Iwao Mitsuishi, Tokyo, JP;
Ryosuke Hiramatsu, Kanagawa, JP;
Yumi Fukuda, Tokyo, JP;
Keiko Albessard, Kanagawa, JP;
Naotoshi Matsuda, Kanagawa, JP;
Aoi Okada, Tokyo, JP;
Shinya Nunoue, Chiba, JP;
Kunio Ishida, Tokyo, JP;
Iwao Mitsuishi, Tokyo, JP;
Ryosuke Hiramatsu, Kanagawa, JP;
Yumi Fukuda, Tokyo, JP;
Keiko Albessard, Kanagawa, JP;
Naotoshi Matsuda, Kanagawa, JP;
Aoi Okada, Tokyo, JP;
Shinya Nunoue, Chiba, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A light emitting device according to one embodiment includes a light emitting element that emits light having a wavelength of 250 nm to 500 nm; plural red fluorescent layers that are formed above the light emitting element to include a red fluorescent material, the red fluorescent layers being disposed at predetermined intervals; and plural green fluorescent layers that are formed above the light emitting element to include a green fluorescent material, a distance between the light emitting element and the green fluorescent layers being larger than a distance between the light emitting element and the red fluorescent layers.