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:
Oct. 24, 2000
Filed:
Mar. 11, 1997
Applicant:
Inventor:
Stephen Peter Najda, Oxford, GB;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 96 ; 372 45 ;
Abstract
A laser or light emitting diode device has a p-i-n structure and a distributed Bragg reflector having layers alternating with other layers of different refractive indices. These layers are formed of p-type conducting polymer materials which are electrically conducting polymer materials which are electrically conducting and transparent at the emission wavelength of the device.