Compound, luminescent material and organic light emitting device using same

A luminescent material, comprising a compound represented by the following Formula I,

• wherein R1 and R2 are each independently hydrogen, halogen, trifluoromethyl, nitro or cyano, or have a structure of (R7)f—R8—, a structure of
• or a structure of
• in the structure of (R7)f—R8—,
• R8 is C6˜C34 aryl or C3˜C34 nitrogen-containing heteroaryl, and R7 is hydrogen, halogen, trifluoromethyl, nitro or cyano, and f is an integer greater than or equal to 1;
• in the structure of
• R10 is
• and R9 is C1˜C8 alkyl, C6˜C12 aryl;
• or
• R10 is
• and R9 is C6˜C12 aryl;
• or
• R10 is
• and R9 and R11 are each independently C6˜C12 aryl;
• in the structure of
• R12 and R13 are each independently hydrogen, C1˜C8 alkyl, C6˜C12 aryl;
• R3 has a structure of (R7)f—R8—;
• R4, R5 and R6 are each independently hydrogen, C1˜C8 alkyl or heteroalkyl, C6˜C8 aryl or C4˜C8 heteroaryl;
• in Formula I, the dashed line between the carbon atoms at position 1 and position 3 represents that a C—C bond may be present or not present between the two carbon atoms;
• in Formula I, the dashed line between the carbon atoms at position 2 and position 4 represents that a C—C bond may be present or not present between the two carbon atoms;
• a and b are each independently an integer of 1˜4;
• c, d and e are each independently an integer of 1˜3.

An organic light emitting device, comprising:

• a substrate;
• a first electrode disposed on the substrate;
• a second electrode disposed opposite to the first electrode;
• and
• an organic functional layer disposed between the first electrode and the second electrode, the organic functional layer comprising one or more organic material layers, and at least one of the organic material layers being light emitting layer;
• wherein at least one of the organic material layers in the organic functional layer comprises a compound represented by the following Formula I,
• wherein R1 and R2 are each independently hydrogen, halogen, trifluoromethyl, nitro or cyano, or have a structure of (R7)—R8—, a structure of
• or a structure of
• in the structure of (R7)f—R8—,
• R8 is C6˜C34 aryl or C3˜C34 nitrogen-containing heteroaryl, and R7 is hydrogen, halogen, trifluoromethyl, nitro or cyano, and f is an integer greater than or equal to 1;
• in the structure of
• R10 is
• and R9 is C1˜C8 alkyl, C6˜C12 aryl;
• or
• R10 is
• and R9 is C6˜C12 aryl;
• or
• R10 is
• and R9 and R11 are each independently C6˜C12 aryl;
• in the structure of
• R12 and R13 are each independently hydrogen, C1˜C8 alkyl, C6˜C12 aryl;
• R3 has a structure of (R7)f—R8—;
• R4, R5 and R6 are each independently hydrogen, C1˜C8 alkyl or heteroalkyl, C6˜C8 aryl or C4˜C8 heteroaryl;
• in Formula I, the dashed line between the carbon atoms at position 1 and position 3 represents that a C—C bond may be present or not present between the two carbon atoms;
• in Formula I, the dashed line between the carbon atoms at position 2 and position 4 represents that a C—C bond may be present or not present between the two carbon atoms;
• a and b are each independently an integer of 1˜4;
• c, d and e are each independently an integer of 1˜3.