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US 10,590,287 B2Granted
Charge-transporting varnish and organic electroluminescent element
AssigneeNissan Chemical Industries, Ltd.
InventorsTaichi Nakazawa, Toshiyuki Endo, Yuki Takayama
Life of this patent
Estimating the term…
Abstract
Provided is a charge-transporting varnish which comprises an amide compound containing fluorine atoms and represented by formula (1) and a charge-transporting substance. [In the formula, Ar1 represents a group represented by any of formulae (1-1) to (1-9) and Ar2 and Ar3 each represent a given fluorinated aryl or aralkyl group.]
Claims15
A charge-transporting varnish comprising a fluorine atom-containing amide compound of formula (1) below and a charge-transporting substance,
- wherein Ar1 is a group of any of formulas (1-1) to (1-9) below,
- wherein each R is independently a cyano group, a nitro group, a halogen atom, an alkyl group of 1 to 20 carbon atoms or a haloalkyl group of 1 to 20 carbon atoms, Cb1 and Cb2 each are independently an alkyl group of 1 to 20 carbon atoms or an aryl group of 6 to 20 carbon atoms, n is an integer from 0 to 4, and m is an integer from 0 to 3;
- and
- Ar2 and Ar3 are each independently a fluoroaryl group of 6 to 20 carbon atoms which may be substituted with a cyano group, a chlorine atom, a bromine atom, an iodine atom, a nitro group, an alkyl group of 1 to 20 carbon atoms, a fluoroalkyl group of 1 to 20 carbon atoms or a fluoroalkoxy group of 1 to 20 carbon atoms;
- an aryl group of 6 to 20 carbon atoms which is substituted with a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms, and which may be additionally substituted with a cyano group, a halogen atom or a fluoroalkoxy group of 1 to 20 carbon atoms;
- a fluoroaralkyl group of 7 to 20 carbon atoms which may be substituted with a cyano group, a chlorine atom, a bromine atom, an iodine atom, a nitro group, a fluoroalkoxy group of 1 to 20 carbon atoms, a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms;
- or an aralkyl group of 7 to 20 carbon atoms which is substituted with a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms, and which may be additionally substituted with a cyano group, a halogen atom or a fluoroalkoxy group of 1 to 20 carbon atoms.
4 more elements
A fluorine atom-containing amide compound of formula (1′) below,
- wherein Ar1 is a group of any of formulas (1-1) to (1-9) below,
- wherein each R is independently a cyano group, a nitro group, a halogen atom, an alkyl group of 1 to 20 carbon atoms or a haloalkyl group of 1 to 20 carbon atoms, Cb1 and Cb2 each are independently an alkyl group of 1 to 20 carbon atoms or an aryl group of 6 to 20 carbon atoms, n is an integer from 0 to 4, and m is an integer from 0 to 3;
- and
- Ar2 and Ar3 are each independently a fluoroaryl group of 6 to 20 carbon atoms which may be substituted with a cyano group, a chlorine atom, a bromine atom, an iodine atom, a nitro group, an alkyl group of 1 to 20 carbon atoms, a fluoroalkyl group of 1 to 20 carbon atoms or a fluoroalkoxy group of 1 to 20 carbon atoms;
- an aryl group of 6 to 20 carbon atoms which is substituted with a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms, and which may be additionally substituted with a cyano group, a halogen atom or a fluoroalkoxy group of 1 to 20 carbon atoms;
- a fluoroaralkyl group of 7 to 20 carbon atoms which may be substituted with a cyano group, a chlorine atom, a bromine atom, an iodine atom, a nitro group, a fluoroalkoxy group of 1 to 20 carbon atoms, a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms;
- or an aralkyl group of 7 to 20 carbon atoms which is substituted with a fluoroalkyl group of 1 to 20 carbon atoms, a fluorocycloalkyl group of 3 to 20 carbon atoms, a fluorobicycloalkyl group of 4 to 20 carbon atoms, a fluoroalkenyl group of 2 to 20 carbon atoms or a fluoroalkynyl group of 2 to 20 carbon atoms, and which may be additionally substituted with a cyano group, a halogen atom or a fluoroalkoxy group of 1 to 20 carbon atoms;
- exclusive of combinations that represent fluorine atom-containing amide compounds of any of formulas (K1) to (K18) below:
5 more elements
Dependencies are inferred from the claim text.