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US 12,615,959 B2Granted
Organic electroluminescence device and electronic apparatus provided with the same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsHiroaki Itoi, Yuki Nakano, Satomi Tasaki, Taro Yamaki, Tetsuya Masuda
Life of this patent
Estimating the term…
Abstract
An organic electroluminescence device containing a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of a compound represented by the specific formulas (11), (21), (31), (41), (51), (61), (71), and (81).
Claims15
An organic electroluminescence device comprising
- a cathode,
- an anode, and
- an emitting layer disposed between the cathode and the anode, wherein
- the emitting layer comprises a compound represented by the following formula (1) and
- one or more compounds selected from the group consisting of a compound represented by the formula following (21), a compound represented by the formula following (31), a compound represented by the formula following (41), and a compound represented by the formula following (51):
- wherein in the formula (1),
- X1 is an oxygen atom or a sulfur atom;
- Ar1 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;
- L1 is a single bond,
- 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;
- R1 to R8 and R11 to R19 are independently
- a hydrogen atom, a halogen atom, a cyano group, a nitro group,
- 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(R901)(R902)(R903),
- —O—(R904),
- —S—(R905),
- —N(R906)(R907),
- 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;
- R901 to R907 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 R901 to R907 are present, the two or more of each of R901 to R907 are the same or different;
- wherein in the formula (21),
- Zs are independently CRa or N;
- A1 ring and A2 ring 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 plural Ras exist, one or more sets of two or more adjacent groups of Ra are bonded with each other to form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring;
- when plural Rbs exist, one or more sets of two or more adjacent groups of Rb are bonded with each other to form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring;
- when plural Rcs exist, one or more sets of two or more adjacent groups of Rc are bonded with each other to form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring;
- n21 and n22 are independently an integer of 0 to 4;
- Ra to Rc that do not form the substituted or unsubstituted, saturated or unsaturated 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,
- —Si(R901)(R902)(R903),
- —O—(R904),
- —S—(R905),
- —N(R906)(R907),
- 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
- R901 to R907 are as defined in the formula (1);
- wherein in the formula (31),
- one or more sets of two or more adjacent groups of R301 to R307 and R311 to R317 form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring;
- R301 to R307 and R311 to R317 that 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(R901)(R902)(R903),
- —O—(R904),
- —S—(R905),
- —N(R906)(R907),
- 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;
- R321 and R322 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(R901)(R902)(R903),
- —O—(R904),
- —S—(R905),
- —N(R906)(R907),
- 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
- R901 to R907 are as defined in the formula (1);
- wherein in the formula (41),
- a ring, b ring and c ring 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;
- R401 and R402 are independently bonded to the a ring, the b ring or the c ring to form a substituted or unsubstituted heterocyclic ring or do not form a substituted or unsubstituted heterocyclic ring;
- R401 and R402 that 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),
- r ring is a ring represented by the formula (52) or formula (53) which is fused to an adjacent ring at an arbitrary position;
- q ring and s ring are independently a ring represented by the formula (54) which is fused to an adjacent ring at an arbitrary position;
- p ring and t ring are independently a ring represented by the formula (55) or the formula (56) which is fused to an adjacent ring at an arbitrary position;
- when plural R501's exist, adjacent plural R501's are bonded with each other to form a substituted or unsubstituted, saturated or unsaturated ring, or do not form a substituted or unsubstituted, saturated or unsaturated ring;
- X501 is an oxygen atom, a sulfur atom, or NR502;
- R501 and R502 that do not form the substituted or unsubstituted saturated or unsaturated ring are
- 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(R901)(R902)(R903),
- —O—(R904),
- —S—(R905),
- —N(R906)(R907),
- 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;
- R901 to R907 are as defined in the formula (1);
- Ar501 and Ar502 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;
- L501 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 is an integer of 0 to 2, m2 is an integer of 0 to 4, m3 is independently an integer of 0 to 3, and m4 is independently an integer of 0 to 5;
- when plural R501's exist, the plural R501's may be the same or different.
126 more elements
Dependencies are inferred from the claim text.