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:
Jun. 28, 2011
Filed:
Nov. 28, 2007
Tae-yong Noh, Yongin-si, KR;
Junji Kido, Yokohama, JP;
Shinichiro Tamura, Yongin-si, KR;
Euk-che Hwang, Yongin-si, KR;
Tae-yong Noh, Yongin-si, KR;
Junji Kido, Yokohama, JP;
Shinichiro Tamura, Yongin-si, KR;
Euk-che Hwang, Yongin-si, KR;
Abstract
Provided is a white organic light emitting device comprising an anode, a cathode, and an organic layer formed between the anode and the cathode, wherein the organic layer comprises one green emissive layer, one blue emissive layer, one red emissive layer, and one charge generating layer formed between any two of the foregoing green, blue and red emissive layers. The white organic light emitting device has a tandem structure providing the simplest structure for the three color light emissions of green, blue and red.