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. 07, 2004
Filed:
Mar. 27, 2003
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/304 ;
U.S. Cl.
CPC ...
H05B 3/304 ;
Abstract
An organic light emitting element including a light emitting organic thin film formed on a substrate, a pair of electrodes sandwiching the organic thin film light emitting layer therebetween. A peripheral side surface of the organic thin film light emitting layer has a shape so that emitted light is reflected by the side surface. The peripheral side surface of the organic thin film light emitting layer is in a range of about 40%-90% of a thickness of the organic thin film light emitting layer in a direction perpendicular to a surface of the substrate.