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:
Aug. 30, 2005
Filed:
Jan. 15, 2002
Applicants:
Ewald Guenther, Singapore, SG;
Charles Lee Wee Ming, Singapore, SG;
Inventors:
Ewald Guenther, Singapore, SG;
Charles Lee Wee Ming, Singapore, SG;
Assignees:
Osram Opto Semiconductors GmbH, Regensburg, DE;
Infineon Technologies Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L033/00 ; H05B033/00 ;
U.S. Cl.
CPC ...
Abstract
An OLED device capable of emitting multiple colors is disclosed. In one embodiment of the invention, multiple substrates are stacked upon one another, wherein the different substrates emit light of a given color. In another embodiment of the invention, these substrates are separated by spacer particles to prevent the overlying substrates from contacting the active components.