Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1996-08-27
1999-09-07
Yamnitzky, Marie
Stock material or miscellaneous articles
Composite
Of inorganic material
428457, 428704, 428917, 313504, 313506, 427 66, 427384, 427402, H05B 3300, B05D 512
Patent
active
059485523
ABSTRACT:
An organic electroluminescent device that comprises a substrate, a first conductive layer on the substrate, an electron-transporting and light-emitting layer, a second conductive layer adjacent the electron-transporting and light-emitting layer and remote from the first conductive layer, and a hole-conducting layer sandwiched between the first conductive layer and the electron-transporting and light-emitting layer. The hole-conducting layer comprises a poly(arylamine) including at least one compound of formula (I): ##STR1## In this: R is independently in each occurrence a C.sub.1-24 hydrocarbyl, hydrocarboxyl, hydrothiocarboxy, hydroarylcarboxy, or hydrothioarylcarboxy; Ar.sub.1 and Ar.sub.2 are independently in each occurrence a C.sub.6-18 aryl moiety optionally substituted with one or more C.sub.1-24 hydrocarbyl, hydrocarboxyl, hydrothiocarboxy, hydroarycarboxy, or hydrothioarylcarboxy; A is independently in each occurrence hydrogen or a halogen; x is independently in each occurrence a positive number between 0 and 1; n is a whole number from 0 to 4; and m is a number from about 5 to about 1000.
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Antoniadis Homer
Roitman Daniel B.
Shiang William R.
Woo Edmund P.
Wu Weishi
Hardcastle Ian
Hewlett--Packard Company
The Dow Chemical Company
Yamnitzky Marie
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