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.:

US 7612432 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 03, 2009

Filed:

Feb. 03, 2005
Applicants:

Hiroaki Yanagita, Tokyo, JP;

Hiroshi Kawazoe, Kanagawa, JP;

Masahiro Orita, Tokyo, JP;

Inventors:

Hiroaki Yanagita, Tokyo, JP;

Hiroshi Kawazoe, Kanagawa, JP;

Masahiro Orita, Tokyo, JP;

Assignee:

Hoya Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

It is an object to provide a p-type ZnS based semiconductor material having a low resistance which can easily form an ohmic contact to a metallic material. Moreover, the invention provides a semiconductor device and a semiconductor light emitting device which include an electrode having a low resistance on a substrate other than a single crystal substrate, for example, a glass substrate. The semiconductor material according to the invention is used as a hole injecting electrode layer of a light emitting device and has a transparent property in a visible region which is expressed in a composition formula of ZnCuMgCdSSeTe(0.004≦α≦0.4, β≦0.2, γ≦0.2, 0≦x≦1, 0≦y≦0.2, and x+y≦1).


Find Patent Forward Citations

Yanagita, Hiroaki. (2009). P-type zns based semiconductor material having a low resistance due to its high copper content (U.S. Patent No. 7612432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7612432

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…