Organic electroluminescent device
First Claim
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1. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer, wherein the organic layer contains at least one compound represented by formula (1), and wherein the light-emitting layer contains a phosphorescent material:
- wherein, in formula (1), R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent a hydrogen atom or a substituent.
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Abstract
An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.
659 Citations
25 Claims
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1. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer,
wherein the organic layer contains at least one compound represented by formula (1), and wherein the light-emitting layer contains a phosphorescent material: -
wherein, in formula (1), R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent a hydrogen atom or a substituent. - View Dependent Claims (2, 3, 4, 5)
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6. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer,
wherein the organic layer contains at least one compound represented by formula (2): -
L-(T)n
Formula (2)wherein, in formula (2), L represents a single bond, or a divalent or higher valent linking group;
T represents a group obtained by removing an atom from any one of R1 to R16 in a structure represented by formula (1), or a group obtained by removing any one of R1 to R16 from a compound represented by formula (1);
T'"'"'s are independently form each other, which may be the same or different from each other; and
n represents an integer of 2 or more;
wherein, in formula (1), R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent a hydrogen atom or a substituent. - View Dependent Claims (7, 8, 9, 10)
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11. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer,
wherein the organic electroluminescent device contains at least one compound represented by formula (1A): -
wherein, in formula (1A), R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, and R36 each represent a hydrogen atom or a substituent; and
at least one of R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, and R36 is a group having a Hammett σ
P value of 0.05 or more. - View Dependent Claims (12, 13, 14, 15)
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16. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer,
wherein the organic electroluminescent device contains at least one compound represented by formula (1B): -
wherein, in formula (1B), R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112, R113, R114, R115, and R116, which may be the same or different from each other, each represent a substituent; and
at least one of these substituents represents a substituted or unsubstituted aryl group. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A compound represented by formula (2):
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L-(T)n
Formula (2)wherein, in formula (2), L represents a single bond, or a divalent or higher valent linking group;
T represents a group obtained by removing an atom from any one of R1 to R16 in a structure represented by formula (1), or a group obtained by removing any one of R1 to R16 from a compound represented by formula (1);
T'"'"'s are independently form each other, which may be the same or different from each other; and
n represents an integer of 2 or more;
- View Dependent Claims (24, 25)
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Specification