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:
Apr. 15, 2014
Filed:
Jul. 28, 2009
Nobutoshi Arai, Osaka, JP;
Masatomi Harada, Osaka, JP;
Kouichirou Adachi, Osaka, JP;
Hiroshi Iwata, Osaka, JP;
Nobutoshi Arai, Osaka, JP;
Masatomi Harada, Osaka, JP;
Kouichirou Adachi, Osaka, JP;
Hiroshi Iwata, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
The light emitting device of the invention includes a first electrode, a second electrode, and a carrier formed between the first electrode and the second electrode and containing germanium light emitters, wherein the germanium light emitters contain germanium oxide in which at least part of the germanium oxide has oxygen deficiency and have a wavelength peak of emission in both or either the range of 250 to 350 nm and/or the range of 350 to 500 nm when a potential difference is applied to the first electrode and the second electrode.