Patent ID: 6803129
Filing Date: 2004-10-12
Classification: C07D,C09K,H01L,H05B,Y10S

Abstract:
An organic light emitting diode (OLED) device, comprising:a transparent base plate; an anode disposed on the transparent base plate; an organic electroluminescence (EL) layer disposed on the anode; and a cathode disposed on the organic EL layer, wherein the organic EL layer comprises a coumarin compound as denoted in a following formula (1): wherein R1ËœR4 individually represents hydrogen, substituted or non-substituted alkyl, substituted or non-substituted cycloalkyl, substituted or non-substituted alkyloxy, substituted or non-substituted alkenyl, substituted or non-substituted amino group, substituted or non-substituted aryl, substituted or non-substituted heteroaralkyl, substituted or non-substituted aralkyl, and substituted or non-substituted propenyloxy; Z represents â€”OR5 or â€”NR6R7; X and Y individually represents oxygen atom, sulfur atom or â€”NR8; R5ËœR8 individually represents hydrogen, substituted or non-substituted alkyl, cycloalkyl alkenyl, aryl, heteroaralkyl, aralkyl; A is substituted cyclohexenyl group, non-substituted cyclohexenyl group, substituted naphthalenylidenyl group or non-substituted naphthalenylidenyl group; B and C are electron-pulling groups.