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:
Dec. 26, 2000
Filed:
Sep. 15, 1998
Applicant:
Inventors:
Mark Thompson, Anaheim, CA (US);
Stephen R Forrest, Princeton, NJ (US);
Gong Gu, Princeton, NJ (US);
Assignees:
The Trustees of Princeton University, Princeton, NJ (US);
The University of Southern California, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313506 ; 313503 ; 313504 ; 428690 ;
Abstract
Light emitting devices including at least one pixel comprising a first light emitting stack and a second light emitting stack placed side-by-side. The first and second light emitting stacks each comprise a first OLED and a second OLED over the first OLED. The first light emitting stack further includes a downconversion layer under the first OLED. Together, the first and second stacks are capable of emitting any visible color of light.