Coggan, Jennifer A., Aziz, Hany, Hu, Nan-Xing, and Vamvounis, George LG Display Co., Ltd. (2008) Organic electroluminescent devices. KR 100826440 .

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Abstract

PURPOSE: Provided is an organic electroluminescent device, which exhibits higher operational stability and more improved color purity than other electroluminescent devices and is improved in an efficiency and stability by using a two-functional blue light emitting material.

CONSTITUTION: The organic electroluminescent device comprises a positive electrode, a negative electrode, and a compound represented by a formula (I). In the formula, at least one of R1-R8 is an electron transport group and each of R1-R8 that are not an electron transport group is a substituent selected from the group including hydrogen, a C1-25 alkyl, C3-15 alcyclic alkyl group, C1-25 alkoxy group, C2-25 dialkylamino group, halogen, cyano group, methyl, ethyl, isopropyl, tert-bytyl, cyclohexyl, 4-tert-butylcyclohexyl, methoxy, ethoxy, isopropoxy, tert-butoxy, dimethylamino, diethylamino, substituted or unsubstituted aryl, heteroaryl, phenyl, tolyl, naphthyl, anthryl, phenylanthryl, diphenylanthryl, biphenyl, phenylvinyl, diphenylvinyl, and chlorine.

Item ID:	33442
Item Type:	Patent
Additional Information:	Published full text is a machine translation provided by the Korean Intellectual Property Office (KIPO). Bibliographic data, history and documents including the full text are available from the publisher's website. Enter patent no. 100826440 in the search box.
Date Deposited:	03 Aug 2016 04:38
FoR Codes:	03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030505 Physical Organic Chemistry @ 100%
SEO Codes:	85 ENERGY > 8507 Energy Conservation and Efficiency > 850704 Residential Energy Conservation and Efficiency @ 100%
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