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:
Jan. 18, 2005
Filed:
Sep. 04, 2002
Applicant:
Hyoung Yun OH, Seoul, KR;
Inventor:
Hyoung Yun Oh, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1900 ; B32B 900 ; H01J 162 ; H01J 6304 ; C09K 1106 ; H01L 3524 ; H01L 2934 ; H05B 3314 ;
U.S. Cl.
CPC ...
Abstract
An organic electroluminescent device is disclosed, which can obtain high luminance and high efficiency. The organic electroluminescent device includes a luminescent layer formed by doping a phosphor material on a host material expressed by the following chemical formula:where R is any one selected from a group consisting of H, an alkyl group, an allyl group, and halogen.