US2022285625A1PendingUtilityA1
Organic electroluminescence device and electronic apparatus
Est. expiryOct 16, 2038(~12.2 yrs left)· nominal 20-yr term from priority
Inventors:Satomi TasakiTaro YamakiHiroaki ItoiYuki NakanoYuichiro KawamuraRyoji MaedaKazuki NishimuraYongguk Lee
C09K 11/06H10K 50/13H10K 85/657H10K 85/6576H10K 85/6574H10K 85/626H10K 85/615C09K 2211/1018C09K 2211/1007C09K 2211/1011H05B 33/12H01L 51/0072H01L 51/0058H01L 51/504H01L 51/0061H01L 51/0067H01L 51/0059H01L 51/0073H01L 51/006H01L 51/0052H10K 50/125H10K 50/11H10K 85/322H10K 50/131H10K 85/6572H10K 85/624H10K 85/654H10K 85/631H10K 85/636H10K 85/623H10K 85/622H10K 50/19H10K 85/633H10K 2101/90
72
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Claims
Abstract
An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.
Claims
exact text as granted — not AI-modified1 . An organic electroluminescence device comprising:
an anode, a cathode, a first organic layer and a second organic layer between the anode and the cathode, wherein the first organic layer is between the anode and the second organic layer, and one of the first organic layer and the second organic layer comprises a compound represented by the following formula (1) having at least one deuterium atom, and the other of the first organic layer and the second organic layer comprises a compound represented by the following formula (1′):
wherein in the formula (1),
R 1 to R 8 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 905 )(R 907 ),
a halogen atom, a cyano group, or a nitro group,
R 901 to R 907 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms;
when two or more of each of R 901 to R 907 are present, the two or more of each of R 901 to R 907 are the same as or different from each other,
adjacent two or more of R 1 to R 4 , and adjacent two or more of R 5 to R 8 do not form a ring by bonding with each other,
L 1 and L 2 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms,
Ar 1 and Ar 2 are independently
an unsubstituted phenyl group,
an unsubstituted biphenyl group,
an unsubstituted naphthyl group, or
an unsubstituted dibenzofuranyl group, and
at least one hydrogen atom selected from the following is a deuterium atom:
hydrogen atoms of R 1 to R 8 in the case where they are hydrogen atoms, and
hydrogen atoms possessed by one or more groups selected from R 1 to R 8 which are not hydrogen atoms, L 1 which is not a single bond, L 2 which is not a single bond, and Ar 1 and Ar 2 ; and
wherein in the formula (1′),
R 1 to R 8 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 905 )(R 907 ),
a halogen atom, a cyano group, and a nitro group,
R 901 to R 907 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
when two or more of each of R 901 to R 907 are present, the two or more of each of R 901 to R 907 are the same as or different from each other,
adjacent two or more of R 1 to R 4 , and adjacent two or more of R 5 to R 8 do not form a ring by bonding with each other,
L 1 and L 2 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms, and
Ar 1 is
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
Ar 2 is
an unsubstituted phenyl group,
an unsubstituted biphenyl group,
an unsubstituted naphthyl group, or
an unsubstituted dibenzofuranyl group,
wherein the chemical structure of the compound represented by the formula (1) is different from the chemical structure of the compound represented by the formula (1′).
2 . The organic electroluminescence device according to claim 1 , wherein the first organic layer comprises the compound represented by the formula (1).
3 . The organic electroluminescence device according to claim 1 , wherein the compound represented by the formula (1) substantially has no deuterium atom.
4 . The organic electroluminescence device according to claim 3 , wherein the first organic layer comprising the compound represented by the formula (1) is placed in the region not adjacent to the second organic layer comprising the compound represented by the formula (1′).
5 . The organic electroluminescence device according to claim 1 , wherein at least one of the hydrogen atoms bonded to the carbon atom on the anthracene skeleton in the formula (1) is a deuterium atom.
6 . The organic electroluminescence device according to claim 1 , wherein at least one of the hydrogen atoms bonded to carbon atoms other than the carbon atom on the anthracene skeleton in the formula (1) is a deuterium atom.
7 . The organic electroluminescence device according to claim 1 , wherein in the formula (1), two or more of the following hydrogen atoms are deuterium atoms:
hydrogen atoms of R 1 to R 8 in the case where they are hydrogen atoms, and hydrogen atoms possessed by one or more groups selected from R 1 to R 8 which are not hydrogen atoms, L 1 which is not a single bond, L 2 which is not a single bond, and Ar 1 and Ar 2 .
8 . The organic electroluminescence device according to claim 1 , wherein in the formula (1), all of the following hydrogen atoms are deuterium atoms:
hydrogen atoms of R 1 to R 8 in the case where they are hydrogen atoms, and hydrogen atoms possessed by the groups of R 1 to R 8 which are not hydrogen atoms, L 1 which is not a single bond, L 2 which is not a single bond, and Ar 1 and Ar 2 .
9 . The organic electroluminescence device according to claim 1 , wherein in the formulas (1) and (1′), each L 1 is a single bond or an unsubstituted phenylene group.
10 . The organic electroluminescence device according to claim 1 , wherein in the formulas (1) and (1′), each L 2 is a single bond or an unsubstituted phenylene group.
11 . The organic electroluminescence device according to claim 1 , wherein Ar in the formula (1) is an unsubstituted phenyl group, an unsubstituted biphenyl group, or an unsubstituted naphthyl group.
12 . The organic electroluminescence device according to claim 1 , wherein Ar in the formula (1) is a substituted or unsubstituted monovalent heterocyclic group including 5 to 30 ring atoms.
13 . The organic electroluminescence device according to claim 1 , wherein Ar in the formula (1) is a substituted or unsubstituted monovalent heterocyclic group including 5 to 18 ring atoms.
14 . The organic electroluminescence device according to claim 1 , wherein the first organic layer is an emitting layer.
15 . The organic electroluminescence device according to claim 1 , wherein the compound represented by the formula (1) is a host materials.
16 . The organic electroluminescence device according to claim 1 , wherein the first organic layer comprises two or more kinds of a host material.
17 . The organic electroluminescence device according to claim 1 , wherein the first organic layer is a fluorescent emitting layer.
18 . The organic electroluminescence device according to claim 1 , wherein the compound represented by the formula (1) is a compound having a skeleton selected from the following skeletons:
19 . The organic electroluminescence device according to claim 1 , wherein the compound represented by the formula (1) is one or more compounds selected from the group consisting of:
wherein “D” represents a deuterium atom.
20 . The organic electroluminescence device according to claim 1 , wherein the second organic layer is an electron-transporting layer.
21 . The organic electroluminescence device according to claim 1 , wherein the compound represented by the formula (1′) is the following compound:
22 . The organic electroluminescence device according to claim 1 , wherein the first organic layer comprises a dopant material.
23 . The organic electroluminescence device according to claim 22 , wherein the dopant material is a fluorescent dopant material.
24 . The organic electroluminescence device according to claim 22 , wherein the dopant material is selected from the group consisting of compounds represented by each of the following formulas (11), (21), (31), (41), (51), (61), (71), (81), and (91):
wherein in the formula (11),
one or more sets of adjacent two or more of R 101 to R 110 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
at least one of R 101 to R 110 is a monovalent group represented by the following formula (12),
R 101 to R 110 which do not form a substituted or unsubstituted, saturated or unsaturated ring, and are not a monovalent group represented by the following formula (12) are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 ,)(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
wherein in the formula (12), Ar 101 and Ar 102 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
L 101 to L 103 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms;
wherein in the formula (21),
Z's are independently CR a or N,
ring A1 and ring A2 are independently a substituted or unsubstituted aromatic hydrocarbon ring including 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms,
when a plurality of R a 's are present, one or more sets of adjacent two or more of the plurality of R a 's form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
when a plurality of R b 's are present, one or more sets of adjacent two or more of the plurality of R b 's form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
when a plurality of R c 's are present, one or more sets of adjacent two or more of the plurality of R c 's form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
n21 and n22 are independently an integer of 0 to 4,
R a to R c which do not form the substituted or unsubstituted, saturated or unsaturated ring are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 905 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 901 to R 907 are as defined in the formula (1);
wherein in the formula (31),
one or more sets of adjacent two or more of R 301 to R 307 and R 311 to R 317 form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 301 to R 307 and R 311 to R 317 which do not form the substituted or unsubstituted, saturated or unsaturated ring are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 321 and R 322 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 901 to R 907 are as defined in the formula (1);
wherein in the formula (41),
ring a, ring b and ring c are independently
a substituted or unsubstituted aromatic hydrocarbon ring including 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms,
R 401 and R 402 independently form a substituted or unsubstituted heterocyclic ring by bonding with the ring a, the ring b, or the ring c, or do not form a substituted or unsubstituted heterocyclic ring, and
R 401 and R 402 which do not form the substituted or unsubstituted heterocyclic ring are independently
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms;
wherein in the formula (51),
a ring r is a ring represented by the formula (52) or formula (53) which is fused with an adjacent ring at an arbitrary position,
a ring q and a ring s are independently a ring represented by the formula (54) which is fused with an adjacent ring at an arbitrary position,
a ring p and a ring t are independently a structure represented by the formula (55) or the formula (56) which is fused with an adjacent ring at an arbitrary position,
when a plurality of R 501 's are present, the plurality of adjacent R 501 's form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted saturated or unsaturated ring,
X 501 is an oxygen atom, a sulfur atom, or NR 502 ,
R 501 and R 502 which do not form the substituted or unsubstituted, saturated or unsaturated ring are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, R 901 to R 907 are as defined in the formula (1),
Ar 501 and Ar 502 are independently
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
L 501 is
a substituted or unsubstituted alkylene group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenylene group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynylene group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkylene group including 3 to 50 ring carbon atoms,
a substituted or unsubstituted arylene group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 50 ring atoms,
m1's are independently an integer of 0 to 2,
m2's are independently an integer of 0 to 4,
m3's are independently an integer of 0 to 3,
m4's are independently an integer of 0 to 5, and
when a plurality of R 501 's are present, the plurality of R 501 's may be the same as or different from each other;
wherein in the formula (61),
at least one set of R 601 , and R 602 , R 602 and R 603 , and R 905 and R 604 forms a divalent group represented by the following formula (62) by bonding with each other,
at least one set of R 605 and R 606 , R 606 and R 607 , and R 607 and R 608 forms a divalent group represented by the following formula (63) by bonding with each other,
at least one of R 601 to R 604 which do not form a divalent group represented by the formula (62), and R 611 to R 614 is a monovalent group represented by the following formula (64),
at least one of R 605 to R 606 which do not form a divalent group represented by the formula (63), and R 621 to R 624 is a monovalent group represented by the following formula (64),
X 601 is an oxygen atom, a sulfur atom, or NR 609 ,
R 601 to R 606 which do not form a divalent group represented by any of the formulas (62) and (63) and which are not a monovalent group represented by the formula (64), R 611 to R 614 and R 621 to R 624 which are not a monovalent group represented by the formula (64), and R 609 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
wherein in the formula (64),
Ar 601 and A 602 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
L 601 to L 603 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms, or
a divalent linking group formed by bonding two to four of these;
wherein in the formula (71),
a ring A 701 and a ring A 702 are independently
a substituted or unsubstituted aromatic hydrocarbon ring including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms,
one or more selected from the group consisting of the ring A 701 and the ring A 702 are bonded with “*” in the structure represented by the following formula (72),
wherein in the formula (72),
a ring A 703 is
a substituted or unsubstituted aromatic hydrocarbon ring including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms,
X 701 is NR 703 , C(R 704 )(R 705 ), Si(R 706 )(R 707 ), Ge(R 708 )(R 709 ), O, S, or Se,
R 701 and R 702 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 701 and R 702 which do not form the substituted or unsubstituted, saturated or unsaturated ring, and R 703 to R 709 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 901 to R 907 are as defined in the formula (1);
wherein in the formula (81),
a ring A 801 is a ring represented by the formula (82) which is fused with the adjacent ring at an arbitrary position,
a ring A 802 is a ring represented by the formula (83) which is fused with the adjacent ring at an arbitrary position,
the two of “*” are bonded with the ring A 803 at arbitrary positions,
X 801 and X 802 are independently C(R 803 )(R 804 ), Si(R 805 )(R 806 ), an oxygen atom, a sulfur atom.
the ring A 803 is a substituted or unsubstituted aromatic hydrocarbon ring including 6 to 50 ring carbon atoms or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms,
Ar 801 is a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 801 to R 806 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
m801 and m802 are independently an integer of 0 to 2,
when m801 and m802 are 2, the plurality of each of R 801 or R 802 may be the same as or different from each other,
a801 is an integer of 0 to 2,
when a801 is 0 or 1, the structures in parentheses, which exist in number indicated by “3-a801 (3 subtract a801)” may be the same as or different from each other, and
when a801 is 2, Ar 801 may be the same as or different from each other; and
wherein in the formula (91),
any one or more sets selected from the group consisting of:
one or more sets of adjacent two or more of R 951 to R 960 ,
one or more sets of adjacent two or more of R a1 to R a5 , and
one or more sets of adjacent two or more of R a6 to R a10
form a substituted or unsubstituted, saturated or unsaturated ring including 3 to 30 ring atoms, and
R 951 to R 960 , R a1 to R a5 , and R a6 to R a10 which are not involved in ring formation are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 30 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 30 ring carbon atoms,
a substituted or unsubstituted alkoxy group including 1 to 30 carbon atoms,
a substituted or unsubstituted alkylthio group including 1 to 30 carbon atoms,
a substituted or unsubstituted amino group,
a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted heterocyclic group including 5 to 30 ring atoms,
a substituted or unsubstituted alkenyl group including 2 to 30 carbon atoms,
a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted phosphanyl group,
a substituted or unsubstituted phosphoryl group,
a substituted or unsubstituted silyl group,
a substituted or unsubstituted arylcarbonyl group including 6 to 30 ring carbon atoms,
a cyano group, a nitro group, a carboxyl group, or
a halogen atom.
25 . The organic electroluminescence device according to claim 22 , wherein the dopant material is selected from the group consisting of compounds represented by each of the following formulas (15), (32), and (43):
wherein in the formula (15),
one or more sets of adjacent two or more of R 111 to R 118 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 111 to R 118 are not a monovalent group represented by the following formula (12):
wherein in the formula (12),
Ar 101 and Ar 102 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, L 101 to L 103 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms;
R 111 to R 118 which do not form a substituted or unsubstituted, saturated or unsaturated ring, and are not a monovalent group represented by the formula (12) are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
Ar 101 and Ar 102 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
L 101 to L 103 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms;
wherein in the formula (32),
one or more sets of adjacent two or more of R 331 to R 334 and R 341 to R 344 form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 331 to R 334 and R 341 to R 344 which do not form the substituted or unsubstituted, saturated or unsaturated ring, and R 351 and R 352 are independently
a hydrogen atom,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 361 to R 364 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms; and
wherein in the formula (43),
R 431 forms a substituted or unsubstituted heterocyclic ring by bonding with R 446 , or does not form a substituted or unsubstituted heterocyclic ring,
R 433 forms a substituted or unsubstituted heterocyclic ring by bonding with R 447 , or does not form a substituted or unsubstituted heterocyclic ring,
R 434 forms a substituted or unsubstituted heterocyclic ring by bonding with R 451 , or does not form a substituted or unsubstituted heterocyclic ring,
R 441 forms a substituted or unsubstituted heterocyclic ring by bonding with R 442 , or does not form a substituted or unsubstituted heterocyclic ring,
one or more sets of adjacent two or more of R 431 to R 451 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 431 to R 451 which do not form the substituted or unsubstituted heterocyclic ring or the substituted or unsubstituted, saturated or unsaturated ring are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 901 to R 907 are as defined in the formula (1).
26 . The organic electroluminescence device according to claim 22 , wherein the dopant material is selected from the group consisting of:
wherein in the formula (17),
one or more sets of adjacent two or more of R 111 to R 118 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 111 to R 118 are not a monovalent group represented by the following formula (12):
wherein in the formula (12),
Ar 101 and Ar 102 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
L 101 to L 103 are independently
a single bond,
a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or
a substituted or unsubstituted divalent heterocyclic group including 5 to 30 ring atoms;
R 111 to R 118 which do not form a substituted or unsubstituted, saturated or unsaturated ring, and are not a monovalent group represented by the formula (12) are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
one or more sets of adjacent two or more of R 121 to R 127 form a substituted or unsubstituted, saturated or unsaturated ring by bonding with each other, or do not form a substituted or unsubstituted, saturated or unsaturated ring,
R 121 to R 127 which do not form the substituted or unsubstituted, saturated or unsaturated ring are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms,
R 901 to R 907 are as defined in the formula (1),
R 131 to R 135 are independently
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms,
—Si(R 901 )(R 902 )(R 903 ),
—O—(R 904 ),
—S—(R 905 ),
—N(R 906 )(R 907 ),
a halogen atom, a cyano group, a nitro group,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 901 to R 907 are as defined in the formula (1);
wherein in the formula (33),
R 351 and R 352 are independently
a hydrogen atom,
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms, and
R 361 to R 364 are independently
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, or
a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms;
wherein in the formula (43A),
R 61 is
a hydrogen atom,
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, or
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms, and
R 462 to R 465 are independently
a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms,
a substituted or unsubstituted alkenyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted alkynyl group including 2 to 50 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, or
a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms.
27 . The organic electroluminescence device according to claim 22 , wherein the dopant material is one or more compounds selected from the group consisting of:
28 . The organic electroluminescence device according to claim 14 , further comprises an emitting region other than the first organic layer via a charge generation layer.
29 . The organic electroluminescence device according to claim 28 , wherein
the emitting region other than the first organic layer comprises a third emitting layer and a fourth emitting layer, the third emitting layer is between the anode and the fourth emitting layer.
30 . The organic electroluminescence device according to claim 29 , wherein
the third emitting layer and the fourth emitting layer are directly adjacent to each other.
31 . An electronic apparatus equipped with the organic electroluminescence device according to claim 1 .Join the waitlist — get patent alerts
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