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:
Jul. 03, 2012
Filed:
Jan. 22, 2010
Applicants:
Mie-hwa Park, Yongin, KR;
Kyung-hoon Choi, Yongin, KR;
Young-suck Choi, Yongin, KR;
Young-ho Park, Yongin, KR;
Inventors:
Mie-Hwa Park, Yongin, KR;
Kyung-Hoon Choi, Yongin, KR;
Young-Suck Choi, Yongin, KR;
Young-Ho Park, Yongin, KR;
Assignee:
Samsung Mobile Display Co., Ltd., Giheung-Gu, Yongin, Gyunggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blue organic light emitting device is provided. The blue organic light emitting device comprises a first electrode; a second electrode; and an organic layer including an electron transport layer between the first electrode and the second electrode, wherein the electron transport layer includes a material having an energy gap of 2.8 eV or more between a highest occupied molecular orbital (HOMO) and a lowest unoccupied molecular orbital (LUMO).