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:
Sep. 02, 2003
Filed:
May. 26, 2000
Applicant:
Inventors:
Wang Nang Wang, Bath, GB;
Yurii Georgievich Shreter, St. Petersburg, RU;
Yurii Toomasovich Rebane, St. Petersburg, RU;
Assignee:
Arima Optoelectronics Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/924 ; H01L 3/10304 ; H01L 2/9205 ;
U.S. Cl.
CPC ...
H01L 2/924 ; H01L 3/10304 ; H01L 2/9205 ;
Abstract
An LED based on a two well system with charge asymmetric resonance tunnelling comprises first and second coupled wells, one being a wide well and the other an active quantum well. The wells are coupled via a resonance tunnelling barrier which is transparent for electrons and blocking for holes.