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:
Apr. 16, 2013
Filed:
Apr. 12, 2007
Applicants:
Sang Tae Park, Seongnam-si, KR;
Myung Seop Kim, Seoul, KR;
Jae Man Lee, Seoul, KR;
Eun Soo Cha, Gwacheon-si, KR;
Sung Hoon Pieh, Seoul, KR;
Kyung Hoon Lee, Seoul, KR;
Chang Je Sung, Seoul, KR;
Inventors:
Sang Tae Park, Seongnam-si, KR;
Myung Seop Kim, Seoul, KR;
Jae Man Lee, Seoul, KR;
Eun Soo Cha, Gwacheon-si, KR;
Sung Hoon Pieh, Seoul, KR;
Kyung Hoon Lee, Seoul, KR;
Chang Je Sung, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is an organic electroluminescent (EL) device comprising an intermediate layer made of at least one selected from a hole blocking material and an electron blocking material.