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. 05, 2013
Filed:
Jan. 23, 2009
Applicants:
Hironao Shinohara, Ichihara, JP;
Naoki Fukunaga, Munakata, JP;
Yasunori Yokoyama, Ichihara, JP;
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a compound semiconductor light-emitting element including: a substrate on which an n-type semiconductor layer (), a light-emitting layer (), and a p-type semiconductor layer () that are made of a compound semiconductor are stacked in this order; a positive electrode () made of a conductive translucent electrode; and a negative electrode () made of a conductive electrode, wherein the conductive translucent electrode of the positive electrode () is a transparent conductive film containing crystals composed of InOhaving a hexagonal crystal structure.