Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Reexamination Certificate
2007-05-21
2011-10-25
Ho, Tu-Tu (Department: 2818)
Active solid-state devices (e.g., transistors, solid-state diode
Organic semiconductor material
C257S103000, C257SE51026, C257SE51028, C549S059000, C544S345000
Reexamination Certificate
active
08044390
ABSTRACT:
A material for an organic electroluminescent device including an imine derivative represented by the following formula (Ia) or (Ib),wherein Y1to Y4are independently a carbon atom or a nitrogen atom; R1to R4are independently hydrogen, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group or a cyano group; and R1and R2, or R3and R4may be bonded together to form a ring.
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Hosokawa Chishio
Kijima Yasunori
Morishita Hironobu
Yoshinaga Tadahiko
Foley & Lardner LLP
Ho Tu-Tu
Idemitsu Kosan Co. Ltd.
Sony Corporation
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