Electroluminescent (EL) devices
AssigneeXerox Corporation
InventorsMohammad Esteghamatian, Nan-Xing Hu, Zoran D. Popovic, Ah-Mee Hor, Beng S. Ong
Life of this patent
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Abstract
The triazine wherein Ar1, Ar2, Ar3, and Ar4 are each independently an aryl; R1 and R2 are substituents selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano; R3 and R4 are each a divalent group L selected from the group consisting of —C(R′R″)—, alkylene, an oxygen atom, a sulfur atom, and —Si(R′R″)—, wherein R′ and R″ are selected from the group consisting of hydrogen, alkyl, alkoxy, and aryl.
Claims29
The triazine
- wherein Ar1, Ar2, Ar3, and Ar4 are each independently an aryl;
- R1 and R2 are substituents selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano;
- R3 and R4 are each a group L selected from the group consisting of —C(R′R″)—, alkylene, an oxygen atom, a sulfur atom, and —Si(R′R″)—, wherein R′ and R″ are selected from the group consisting of hydrogen, alkyl, alkoxy, and aryl.
A triazine selected from the group consisting of 2,4,6-tris(4-biphenylyl)-1,3,5-triazine, 2,4,6-tris[4-(4′-methylbiphenylyl)]-1,3,5-triazine, 2,4,6-tris[4-(4′-tert-butylbiphenylyl)-1, 3,5-triazine, 2,4,6-tris[4-(4′-methoxybiphenylyl)]-1,3,5-triazine, 4,4′-bis-[2-(4,6-diphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-p-tolyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-m-tolyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-p-methoxyphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-m-methoxyphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4-0-naphthyl-6-phenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 2,7-bis-[2-(4,6-di-phenyl-1,3,5-triazinyl)]fluorene, 2,7-bis-[2-(4,6-di-phenyl-1,3,5-triazinyl)]-9,9-dimethylfluorene, 4,4′-bis-[2-(4,6-di-phenyl-1,3,5-triazinyl)]-stilbene, and 4,4′-bis-(2-(4-phenyl-6-m-tolyl-1,3,5-triazinyl)]-stilbene.
A triazine selected from the group consisting of 2,4,6-tris(4-biphenylyl)-1,3,5-triazine, 4,4′-bis-[2-(4,6-diphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-p-tolyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-m-tolyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-p-methoxyphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, 4,4′-bis-[2-(4,6-di-p-tert-butylphenyl-1,3,5-triazinyl)]-1,1′-biphenyl, and 4,4′-bis-[2-(4,6-di-phenyl-1,3,5-triazinyl)]-stilbene.
A triazine of the formula
- wherein Ar1, and Ar2 are each independently an aryl;
- and R1 and R2 are selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano.
A triazine of the formula
- wherein Ar1, Ar2, Ar3, and Ar4 are each independently an aryl;
- R1 and R2 are selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano.
A triazine of the formula
- wherein Ar1, Ar2, Ar3, and Ar4 are each independently an aryl;
- R1 and R2 are selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano;
- R3 and R4 are each selected from the group consisting of —C(R′R″)—, alkylene, an oxygen atom, a sulfur atom, and —Si(R′R″)—, wherein R′ and R″ are selected from the group consisting of hydrogen, alkyl, alkoxy, and aryl.
A triazine of the formula
- wherein Ar1, Ar2, Ar3, and Ar4 are each independently an aryl;
- R1 and R2 are selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano.
A triazine of the formulas
- wherein Ar1, Ar2, Ar3, and Ar4 are each independently aromatic or aliphatic;
- R1 and R2 are selected from the group consisting of hydrogen, an alkyl, an aryl, an alkoxy, a halogen atom, and a cyano;
- R3 and R4 are each selected from the group consisting of —C(R′R″)—, alkylene, an oxygen atom, a sulfur atom, and —Si(R′R″)—, wherein R′ and R″ are selected from the group consisting of hydrogen, alkyl, alkoxy, and aryl, and Ar1, Ar2, Ar3, and Ar4 are aryl.
Dependencies are inferred from the claim text.