ORGANIC ELECTROLUMINESCENCE DEVICE
First Claim
Patent Images
1. A compound represented by the following formula (I):
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wherein N represents a nitrogen atom, C represents a carbon atom, Pt represents a platinum atom, each of Z1, Z4, Z5, and Z8 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z2, Z3, Z6, and Z7 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom or a sulfur atom, each bond between atoms of a 5-membered ring formed by Z1, Z2, Z3, Z4, and a nitrogen atom represents a single bond or a double bond, each bond between atoms of a 5-membered ring formed by Z5, Z6, Z7, Z8, and a nitrogen atom represents a single bond or a double bond, when Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 can have a substituent, the substituent is selected from the following Substituent Group A, each of Z11 and Z16 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 independently represents an atom selected from a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, and a sulfur atom, Z12 and Z13, Z13 and Z14, Z17 and Z18, or Z18 and Z19 may be coupled together via a substituent to form a fused ring structure, at least one pair selected from the pairs of Z12 and Z13, Z13 and Z14, Z17 and Z18, and Z18 and Z19 forms a 5-membered ring via a substituent, when Z12 and Z13, Z13 and Z14, Z17 and Z18, or Z18 and Z19 form a 5-membered ring via a substituent, the 5-membered ring may have another fused ring structure, each bond between atoms of a 6-membered ring formed by Z11, Z12, Z13, Z14, Z15 and a carbon atom represents a single bond or a double bond, each bond between atoms of a 6-membered ring formed by Z16, Z17, Z18, Z19, Z20, and a carbon atom represents a single bond or a double bond, when Z11, Z12, Z13, Z14, Z15, Z16, Z17, Z18, Z19, and Z20 can have a substituent, the substituent is selected from the Substituent group A, each of Y1 and Y2 independently represents a single bond, an oxygen atom, a sulfur atom, a nitrogen atom which may have a substituent selected from the Substituent group A, or an unsubstituted nitrogen atom, A11 represents a divalent linking group, and each of B1 and B2 independently represents a single bond or a divalent linking group, wherein the Substituent group A consists of an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an amino group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfonyl group, a sulfinyl group, a ureido group, a phosphoric acid amide group, a hydroxy group, a mercapto group, a halogen atom, a cyano group, a sulfo group, a carboxyl group, a nitro group, a hydroxamic acid group, a sulfino group, a hydrazino group, an imino group, a heterocyclic group, a silyl group, and a silyloxy group.
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Accused Products
Abstract
A compound is represented by the following formula (I):
wherein N represents a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z1, Z4, Z5, and Z8 represent a carbon atom or a nitrogen atom; Z2, Z3, Z6, and Z7 represent a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z11, and Z16 represent a carbon atom or a nitrogen atom; Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 represent a carbon atom, a nitrogen atom, an oxygen atom, or a sulfur atom; Y1 and Y2 represent a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; A11 represents a divalent linking group; B1 and B2 represent a single bond or a divalent linking group.
91 Citations
9 Claims
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1. A compound represented by the following formula (I):
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wherein N represents a nitrogen atom, C represents a carbon atom, Pt represents a platinum atom, each of Z1, Z4, Z5, and Z8 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z2, Z3, Z6, and Z7 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom or a sulfur atom, each bond between atoms of a 5-membered ring formed by Z1, Z2, Z3, Z4, and a nitrogen atom represents a single bond or a double bond, each bond between atoms of a 5-membered ring formed by Z5, Z6, Z7, Z8, and a nitrogen atom represents a single bond or a double bond, when Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 can have a substituent, the substituent is selected from the following Substituent Group A, each of Z11 and Z16 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 independently represents an atom selected from a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, and a sulfur atom, Z12 and Z13, Z13 and Z14, Z17 and Z18, or Z18 and Z19 may be coupled together via a substituent to form a fused ring structure, at least one pair selected from the pairs of Z12 and Z13, Z13 and Z14, Z17 and Z18, and Z18 and Z19 forms a 5-membered ring via a substituent, when Z12 and Z13, Z13 and Z14, Z17 and Z18, or Z18 and Z19 form a 5-membered ring via a substituent, the 5-membered ring may have another fused ring structure, each bond between atoms of a 6-membered ring formed by Z11, Z12, Z13, Z14, Z15 and a carbon atom represents a single bond or a double bond, each bond between atoms of a 6-membered ring formed by Z16, Z17, Z18, Z19, Z20, and a carbon atom represents a single bond or a double bond, when Z11, Z12, Z13, Z14, Z15, Z16, Z17, Z18, Z19, and Z20 can have a substituent, the substituent is selected from the Substituent group A, each of Y1 and Y2 independently represents a single bond, an oxygen atom, a sulfur atom, a nitrogen atom which may have a substituent selected from the Substituent group A, or an unsubstituted nitrogen atom, A11 represents a divalent linking group, and each of B1 and B2 independently represents a single bond or a divalent linking group, wherein the Substituent group A consists of an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an amino group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfonyl group, a sulfinyl group, a ureido group, a phosphoric acid amide group, a hydroxy group, a mercapto group, a halogen atom, a cyano group, a sulfo group, a carboxyl group, a nitro group, a hydroxamic acid group, a sulfino group, a hydrazino group, an imino group, a heterocyclic group, a silyl group, and a silyloxy group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
wherein, N represents a nitrogen atom, C represents a carbon atom, Pt represents a platinum atom; each of Z21, Z24, Z25, and Z28 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z22, Z23, Z26, and Z27 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, or a sulfur atom, each bond between atoms of a 5-membered ring formed by Z21, Z22, Z23, Z24, and a nitrogen atom represents a single bond or a double bond, each bond between atoms of a 5-membered ring formed by Z25, Z26, Z27, Z28, and a nitrogen atom represents a single bond or a double bond, when Z21, Z22, Z23, Z24, Z25, Z26, Z27, and Z28 can have a substituent, each thereof may independently have a substituent selected from the Substituent Group A, each of Z34, Z35, Z39, and Z40 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, or a sulfur atom, each of Z41, Z42, Z43, Z44, Z45 and Z46 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom, each of Z31, Z32, Z33, Z36, Z37, and Z38 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each bond between atoms of a (6-membered+5-membered) fused ring formed by Z31, Z32, Z33, Z34, Z35, Z41, Z42, Z43 and a carbon atom represents a single bond or a double bond each bond between atoms of a (6-membered+5-membered) fused ring formed by Z36, Z37, Z38, Z39, Z40, Z44, Z45, Z46, and a carbon atom represents a single bond or a double bond, Z41 and Z42, Z42 and Z43, Z44 and Z45, or Z45 and Z46 may be coupled together to form a ring, when Z31, Z32, Z33, Z34, Z35, Z36, Z37, Z38, Z39, Z40, Z41, Z42, Z43, Z44, Z45, and Z46 can have a substituent, each thereof may independently have a substituent selected from the Substituent group A, and A21 represents a divalent linking group, wherein N represents a nitrogen atom, C represents a carbon atom, Pt represents a platinum atom; each of Z51, Z54, Z55, and Z58 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each of Z52, Z53, Z56, and Z57 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, or a sulfur atom, each bond between atoms of a 5-membered ring formed by Z51, Z52, Z53, Z54, and a nitrogen atom represents a single bond or a double bond, each bond between atoms of a 5-membered ring formed by Z55, Z56, Z57, Z58, and a nitrogen atom represents a single bond or a double bond, when Z51, Z52, Z53, Z54, Z55, Z56, Z57, and Z58 can have a substituent, each thereof may independently have a substituent selected from the Substituent group A, each of Z62, Z65, Z67, and Z70 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, or a sulfur atom; each of Z71, Z72, Z73, Z74, Z75 and Z76 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom, each of Z61, Z63, Z64, Z66, Z68, and Z69 independently represents a substituted or unsubstituted carbon atom or a nitrogen atom, each bond between atoms of a (6-membered+5-membered) fused ring formed by Z61, Z62, Z63, Z64, Z65, Z71, Z72, Z73, and a carbon atom represents a single bond or a double bond, each bond between atoms of a (6-membered+5-membered) fused ring formed by Z66, Z67, Z68, Z69, Z70, Z74, Z75, Z76, and a carbon atom represents a single bond or a double bond, Z71 and Z72, Z72 and Z73, Z74 and Z75, or Z75 and Z76 may be coupled together to form a ring, when Z61, Z62, Z63, Z64, Z65, Z66, Z67, Z68, Z69, Z70, Z71, Z72, Z73, Z74, Z75, and Z76 can have a substituent, each thereof may independently have a substituent selected from the Substituent group A, and A31 represents a divalent linking group.
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3. The compound according to claim 2, wherein
the formula (II) or (III) is represented by the following formula (IV) or (V), respectively: -
wherein each of X1 and X2 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, a sulfur atom, or a selenium atom, each of R41, R42, R43, R44, R45R46R47, R48, R49, R50, R51, R52, R53, R54, R55, and R56 independently represents a hydrogen atom or a substituent selected from the Substituent group A, and A41 represents a divalent linking group, wherein each of X3 and X4 independently represents a substituted or unsubstituted carbon atom, a substituted or unsubstituted nitrogen atom, an oxygen atom, a sulfur atom or a selenium atom, each of R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, and R76 independently represents a hydrogen atom or a substituent selected from the Substituent group A, and A51 represents a divalent linking group.
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4. The compound according to claim 1, wherein
A11 represents a group selected from — - C(R81)(R82)—
, —
C(R83)(R84)C(R85)(R86)—
, —
Si(R87)(R88)—
, —
N(R89)—
, —
O—
, —
S—
, —
SO—
, —
SO2—
, or —
CO—
,wherein each of R81, R82, R83, R84, R85, R86, R87, R88, and R89 independently represents a hydrogen atom or a substituent selected from the Substituent group A.
- C(R81)(R82)—
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5. The compound according to claim 2, wherein
each of A21 and A31 independently represents a group selected from — - C(R81)(R82)—
, —
C(R83)(R84)C(R85)(R86)—
, —
Si(R87)(R88)—
, —
N(R89)—
, —
O—
, —
S—
, —
SO—
, —
SO2—
, or —
CO—
,wherein each of R81, R82, R83, R84, R85, R86, R87, R88, and R89 independently represents a hydrogen atom or a substituent selected from the Substituent group A.
- C(R81)(R82)—
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6. The compound according to claim 3, wherein
each of A41 and A51 independently represents a group selected from — - C(R81)(R82)—
, —
C(R83)(R84)C(R85)(R86)—
, —
Si(R87)(R88)—
, —
N(R89)—
, —
O—
, —
S—
, —
SO—
, —
SO2—
, or —
CO—
,wherein each of R81, R82, R83, R84, R85, R86, R87, R88, and R89 independently represents a hydrogen atom or a substituent selected from the Substituent group A.
- C(R81)(R82)—
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7. The compound according to claim 3, wherein
the formula (IV) or (V) is represented by the following formula (VI) or (VII), respectively: -
wherein each of X5 and X6 independently represents an oxygen atom or a sulfur atom, each of R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112, R113, R114, R115 and R116 independently represents a hydrogen atom or a substituent selected from the Substituent group A, and R117 and R118 represent alkyl groups, cycloalkyl groups or aryl groups, wherein each of X7 and X8 independently represents an oxygen atom or a sulfur atom, each of R121, R122, R123, R124, R125, R126, R127, R128, R129, R130, R131, R132, R133, R134, R135 and R136 independently represents a hydrogen atom or a substituent selected from the Substituent group A, and R137 and R138 represent alkyl groups, cycloalkyl groups or aryl groups.
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8. An organic electroluminescence device comprising:
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a pair of electrodes; and an organic layer between the pair of electrodes, which contains the compound as claimed in claim 1.
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9. An organic electroluminescence device comprising:
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a pair of electrodes; and an organic layer between the pair of electrodes, which comprises a light emitting layer that contains the compound as claimed in claim 1, and a host material having a lowest excited triplet energy level (T1 level), in the form of a single layer, of 61 kcal/mol or greater.
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Specification
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Current AssigneeUDC Ireland Limited
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Original AssigneeFujifilm Corporation (Fujifilm Holdings Corporation)
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InventorsMURAKAMI, Takeshi, YAGI, Kazunari, KINOSHITA, Ikuo
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current313/504
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CPC Class CodesC07F 15/0086 Platinum compoundsC09K 11/06 containing organic luminesc...C09K 2211/1029 containing one nitrogen ato...C09K 2211/1033 with oxygenC09K 2211/1037 with sulfurC09K 2211/1044 containing two nitrogen ato...C09K 2211/1088 containing oxygen as the on...C09K 2211/1092 containing sulfur as the on...C09K 2211/185 of the platinum group, i.e....H05B 33/14 characterised by the chemic...H10K 2101/10 Triplet emissionH10K 50/11 characterised by the electr...H10K 85/324 comprising aluminium, e.g. ...H10K 85/346 comprising platinumH10K 85/6572 comprising only nitrogen in...
