Novaled Gmbh

Manuela Klose

Sascha Dorok

Ulrich Heggemann

Steffen Runge

Rudolf Lessmann

Ina Steudtner

Ina Faltin

The invention relates to an electronic device comprising a compound having Formula (1): AB(1), wherein A is a structural moiety that consists of at least two atoms and comprises a conjugated system of delocalized electrons, each B is independently selected from an imine functional group (1a), wherein R, R, R, Rare independently selected from C-Calkyl, C-Calkenyl, C-Calkinyl, C-Ccycloalkyl, C-Caryl, C-Cheteroaryl, C-Carylalkyl, C-Cheteroarylalkyl, the wave line represents a covalent bond to the imine nitrogen atom, G is in each group (1a) independently selected from a quarternary carbon atom and from a cyclopropenylidene structural moiety, x is an integer equal one or higher, preferably equal two or higher, and the lone electron pair of the imine nitrogen atom and/or the pi-electrons of the imine double bond of at least one group B is conjugated with the conjugated system of delocalized electrons comprised in the structural moiety A, with the proviso that two or more of the substituents R, R, R, Rmay be connected to form a ring that may contain also unsaturation and, if any of the substituents R, R, R, Rcomprises two or more carbon atoms, up to one third of the overall count of the carbon atoms in the substituent or in any ring formed by two connected substituents can be replaced with heteroatoms independently selected from O, S, N and B as well as to an electrically semiconducting material and a compound for use in the electronic device. 

Electronic device and compound

The present invention relates to an electronic device comprising a compound according to formula 1 A-B (1) and wherein &#x2014;Aris a C6-C18 arylene, which can be monocyclic or polycyclic and may be optionally substituted by one or more C-C-alkyl or C-C-cycloalkyl groups, &#x2014;Aris a C6-C18 arene skeleton, optionally substituted with electron donating groups R, &#x2014;Band Bare independently selected from B and Ar, &#x2014;Bis independently selected from the same group as B, &#x2014;R, R, Rare independently selected from alkyl, arylalkyl, cycloalkyl, aryl, dialkylamino, - x is selected from 0, 1, 2 and 3, wherein for x&#x3e;1 each Armay be different, - y is a non-zero integer up to the overall count of valence sites on the arene skeleton, - z is a integer from zero up to the overall count of valence sites on the arene skeleton minus y; as well as a respective compound according to formula A-B. 

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Dresden-Langebrueck, Germany

Manuela Klose