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. 19, 2005
Filed:
Mar. 18, 2002
Yukitoshi Marutani, Anan, JP;
Akira Kitano, Anan, JP;
Susumu Harada, Anan, JP;
Kazuyuki Akaishi, Anan, JP;
Masahiko Sano, Anan, JP;
Koji Honjo, Anan, JP;
Hitoshi Maegawa, Anan, JP;
Yukitoshi Marutani, Anan, JP;
Akira Kitano, Anan, JP;
Susumu Harada, Anan, JP;
Kazuyuki Akaishi, Anan, JP;
Masahiko Sano, Anan, JP;
Koji Honjo, Anan, JP;
Hitoshi Maegawa, Anan, JP;
Nichia Corporation, Tokushima, JP;
Abstract
To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.