| CPC H10K 85/615 (2023.02) [H10K 85/322 (2023.02); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); H10K 85/658 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02)] | 16 Claims |
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1. An organic light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes a light emission layer containing a host and a dopant, the host comprising at least one of anthracene compounds represented by Chemical Formula A and the dopant comprising at least one of compounds represented by Chemical Formula B-1 or Chemical Formula B-2:
 wherein,
A is any one selected from among a substituted or unsubstituted aryl of 6 to 50 carbon atoms, a substituted or unsubstituted heteroaryl of 2 to 50 carbon atoms, and a substituted or unsubstituted aliphatic/aromatic composite ring of 3 to 50 carbon atoms,
R1 is a hydrogen atom or a deuterium atom,
R, and R2 to R12, which are same or different, are each independently any one selected from among a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl of 1 to 30 carbon atoms, a substituted or unsubstituted aryl of 6 to 50 carbon atoms, a substituted or unsubstituted alkenyl of 2 to 30 carbon atoms, a substituted or unsubstituted alkynyl of 2 to 30 carbon atoms, a substituted or unsubstituted cycloalkyl of 3 to 30 carbon atoms, a substituted or unsubstituted cycloalkenyl of 3 to 30 carbon atoms, a substituted or unsubstituted heteroaryl of 2 to 50 carbon atoms, a substituted or unsubstituted heterocycloalkyl of 2 to 30 carbon atoms, a substituted or unsubstituted alkoxy of 1 to 30 carbon atoms, a substituted or unsubstituted aryloxy of 6 to 50 carbon atoms, a substituted or unsubstituted akylthioxy of 1 to 30 carbon atoms, a substituted or unsubstituted arylthioxy of 6 to 50 carbon atoms, a substituted or unsubstituted amine of 0 to 30 carbon atoms, a substituted or unsubstituted silyl of 0 to 30 carbon atoms, a substituted or unsubstituted aliphatic/aromatic composite ring of 3 to 50 carbon atoms, a cyano, a nitro, and a halogen, wherein a linkage can be made between adjacent two of the substituents R and R2 to R12 to form an additional mono- or polycyclic aliphatic or aromatic ring,
n is an integer of 1 to 8, wherein when n is 2 or greater, the R's are same or different,
one of R5 to R12 in Structural Formula 1 is a single bond to a carbon member of the anthracene moiety of Chemical Formula A,
at least one substituent in Chemical Formula A is substituted by or bears a deuterium atom,
the host in the light emission layer is a mixture of the anthracene compound represented by Chemical Formula A and at least one different host compound, or is formed as the anthracene compound represented by Chemical Formula A and a different host compound are separately deposited, and
 wherein,
A1 to A3, which are same or different, are each independently any one selected from among a substituted or unsubstituted aromatic hydrocarbon ring of 6 to 50 carbon atoms, a substituted or unsubstituted heteroaromatic ring of 2 to 50 carbon atoms, a substituted or unsubstituted aliphatic ring of 3 to 30 carbon atoms, and a substituted or unsubstituted aliphatic/aromatic composite ring of 3 to 30 carbon atoms, wherein a linkage can be formed between adjacent two of substituents on the rings A1 to A3 to form an additional mono- or polycyclic aliphatic or aromatic ring,
Y1 and Y2, which are same or different, are each independently any one selected from among NR21, CR22R23, O, S, Se, and SiR24R25,
R21 to R25, which are same or different, are each independently any one selected from among a hydrogen atom, a deuterium atom, substituted or unsubstituted alkyl of 1 to 30 carbon atoms, a substituted or unsubstituted alkenyl of 2 to 30 carbon atoms, a substituted or unsubstituted aryl of 6 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl of 3 to 30 carbon atoms, a substituted or unsubstituted heterocycloalkyl of 3 to 30 carbon atoms, a substituted or unsubstituted heteroaryl of 2 to 50 carbon atoms, a substituted or unsubstituted alkoxy of 1 to 30 carbon atoms, a substituted or unsubstituted aryloxy of 6 to 30 carbon atoms, a substituted or unsubstituted akylthioxy of 1 to 30 carbon atoms, a substituted or unsubstituted arylthioxy of 6 to 30 carbon atoms, a substituted or unsubstituted amine of 0 to 30 carbon atoms, a substituted or unsubstituted silyl of 0 to 30 carbon atoms, a substituted or unsubstituted aliphatic/aromatic composite ring of 3 to 30 carbon atoms, a nitro, a cyano, and a halogen,
R21 to R25 can each be connected to at least one selected from among the rings A1 to A3 to form an additional mono-or polycyclic aliphatic or aromatic ring, and
a bond can be made between R22 and R23 and between R24 and R25 to form additional respective mono- or polycyclic aliphatic or aromatic rings,
wherein the term “substituted” in the expression “substituted or unsubstituted” used for compounds of Chemical Formulas A, B-1, and B-2 means having at least one substituent selected from the group consisting of a deuterium atom, a cyano, a halogen, a hydroxy, a nitro, an alkyl of 1 to 24 carbon atoms, an halogenated alkyl of 1 to 24 carbon atoms, a cycloalkyl of 3 to 30 carbon atoms, an alkenyl of 2 to 24 carbon atoms, an alkynyl of 2 to 24 carbon atoms, a heteroalkyl of 1 to 24 carbon atoms, an aryl of 6 to 30 carbon atoms, an arylalkyl of 7 to 30 carbon atoms, an alkylarylof 7 to 30 carbon atoms, a heteroaryl of 2 to 30 carbon atoms, a heteroarylalkyl of 2 to 30 carbon atoms, an amine of 0 to 24 carbon atoms, a silyl of 0 to 24 carbon atoms, an aryloxy of 6 to 30 carbon atoms, and an aliphatic/aromatic composite ring of 3 to 30 carbon atoms.
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