Patent ID: 6929869
Filing Date: 2005-08-16
Classification: C09K,H01L,H05B,Y10S

Abstract:
1. An organic light emitting diode device comprising a substrate bearing a layer structure between an anode and a cathode, wherein said layer structure consists of a single organic layer, optionally an electrode modifying layer between the single organic layer and the anode, and optionally an inorganic electrode modifying layer between the single organic layer and the cathode, wherein the single organic layer comprises a hole transporter, an electron transporter and a light emitter and wherein a compound is present in the single organic layer, which compound acts as an electron transporter and light emitter and is of general Formula I: wherein is selected from the following: wherein A and D are both N, and the ring systems are, independently of each other, optionally substituted with one or two or three groups independently selected from C1–C8 straight chain or branched chain alkyl or alkoxy; Q is CN or H or C 1-8 straight chain or branched chain alkyl; wherein A and D are O or N, X is C 1-5 straight chain or branched chain alkyl or alkoxy and the ring systems are, independently of each other, optionally substituted with one or more groups J and L independently selected from C1–C8 straight chain or branched chain alkyl or alkoxy wherein j is selected from 0–4 and l is selected from 0–2; wherein A and D are O or N and the ring systems are, independently of each other, optionally substituted with one or more groups U, V, W independently selected from C1–C8 straight chain or branched chain alkyl or alkoxy wherein u is 0–4, v is 0–2 and w is 0–2.