Blue fluorescent compound and organic electroluminescent device using the same

A blue fluorescent compound, comprising:

• a host material being capable of transporting an electron or a hole;
• and
• a dopant material represented by following Formula 1:
• wherein at least one of the R1, the R2, the R3, the R4 and R5 is selected from a deuterium (D)-substituted aromatic group, and at least two of the R1, the R2, the R3, and the R4 are selected from hydrogen (H), substituted or non-substituted aromatic group, or substituted or non-substituted heterocyclic group, and wherein the R5 is selected from substituted or non-substituted aromatic group, or substituted or non-substituted heterocyclic group.

A blue fluorescent compound, comprising:

• a host material being capable of transporting an electron or a hole;
• and
• a dopant material represented by following Formula 1:
• wherein each of the R1, the R2, the R3, the R4, and the R5 is hydrogen (H), C1 to C6 alkyl, or substituted or non-substituted aryl having at least six carbons (C), and at least two of the R1, the R2, the R3, the R4, and the R5 are selected from the substituted or non-substituted aryl having at least six carbons, and wherein each of the R6, the R7, and the R8 is selected from hydrogen (H), C1 to C6 alkyl, substituted or non-substituted aryl having at least six carbons, fluorine, cyanine, or tri-fluoromethyl, and at least one of the R6, the R7, and the R8 is selected from fluorine, cyanine, or tri-fluoromethyl.

An organic electroluminescent device, comprising:

• a first electrode;
• a second electrode facing the first electrode:
• and
• an organic electroluminescent diode positioned between the first and second electrodes and includes an emitting material layer, the emitting material layer includes:
• a host material being capable of transporting an electron or a hole;
• and
• a dopant material represented by following Formula 1:
• wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.

An organic electroluminescent device, comprising:

• a first electrode;
• a second electrode facing the first electrode:
• and
• an organic electroluminescent diode positioned between the first and second electrodes and includes an emitting material layer, the emitting material layer includes:
• a host material being capable of transporting an electron or a hole;
• and
• a dopant material represented by following Formula 1:
• wherein at least one of the R1, the R2, the R3, the R4 and R5 is selected from a deuterium (D)-substituted aromatic group, and at least two of the R1, the R2, the R3, and the R4 are selected from hydrogen (H), substituted or non-substituted aromatic group, or substituted or non-substituted heterocyclic group, and wherein the R5 is selected from substituted or non-substituted aromatic group, or substituted or non-substituted heterocyclic group.

An organic electroluminescent device, comprising:

• a first electrode;
• a second electrode facing the first electrode:
• and
• an organic electroluminescent diode positioned between the first and second electrodes and includes an emitting material layer, the emitting material layer includes:
• a host material being capable of transporting an electron or a hole;
• and
• a dopant material represented by following Formula 1:
• wherein each of the R1, the R2, the R3, the R4, and the R5 is hydrogen (H), C1 to C6 alkyl, or substituted or non-substituted aryl having at least six carbons (C), and at least two of the R1, the R2, the R3, the R4, and the R5 are selected from the substituted or non-substituted aryl having at least six carbons, and wherein each of the R6, the R7, and the R8 is selected from hydrogen (H), C1 to C6 alkyl, substituted or non-substituted aryl having at least six carbons, fluorine, cyanine, or tri-fluoromethyl, and at least one of the R6, the R7, and the R8 is selected from fluorine, cyanine, or tri-fluoromethyl.