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:
Nov. 08, 2005
Filed:
Nov. 15, 2000
Applicants:
Norikatsu Koide, Nagoya, JP;
Masayoshi Koike, Ichinomiya, JP;
Shiro Yamasaki, Inazawa, JP;
Isamu Akasaki, Nishi-ku, Nagoya-shi, Aichi, JP;
Hiroshi Amano, Meito-ku, Nagoya-shi, Aichi, JP;
Inventors:
Norikatsu Koide, Nagoya, JP;
Masayoshi Koike, Ichinomiya, JP;
Shiro Yamasaki, Inazawa, JP;
Isamu Akasaki, Nishi-ku, Nagoya-shi, Aichi, JP;
Hiroshi Amano, Meito-ku, Nagoya-shi, Aichi, JP;
Assignees:
Toyoda Gosei Co., Ltd., Aichi, JP;
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L021/00 ;
U.S. Cl.
CPC ...
Abstract
A novel light-emitting device includes a saphire substrate with a light-emitting layer comprising InGaN, where the critical value of the indium mole fraction X is determined by a newly derived relationship between the indium mole fraction X and the wavelength λ of emitted light.