Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
AssigneeIdemitsu Kosan Co., Ltd.
InventorsHirokatsu Ito, Tasuku Haketa, Yu Kudo
Life of this patent
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Abstract
Provided is an organic electroluminescent element including a compound that is represented by formula (1) and having a more improved lifetime. In the formula, X, R1-R8, R11-R17, R21-R30, L1, L2, n, and Ar1-Ar3 are as defined in the description:
Claims26
A compound selected from the group consisting of Compound 1, Compound 3, Compound 5, Compound 6, Compound 7, Compound 8, Compound 9, Compound 10, Compound 11, Compound 12, Compound 13, Compound 14, Compound 15, Compound 16, Compound 17, and Compound 18:
A compound represented by one selected from the group consisting of formula (3a-1), formula (3a-2) and formula (3a-3)
- where X is an oxygen atom;
- one selected from R1 to R4 is a single bond bonded to *f;
- R5 to R8 and R1 to R4 not the single bond bonded to *f are hydrogen atoms;
- R11 to R17 and R21 to R30 are hydrogen atoms;
- L1 and L2 are each independently an unsubstituted phenylene group;
- n is 0 or 1, when n is 0, -(L2)0- is a single bond;
- and
- R32, R33, R35, R36, R42 to R46, and R52 to R56 are hydrogen atoms.
A compound represented by formula (4a-1) or (4a-2)
- where X is an oxygen atom;
- one selected from R1 to R4 is a single bond bonded to *f;
- R5 to R8 and R1 to R4 not the single bond bonded to *f are hydrogen atoms;
- R11 to R17 and R21 to R30 are hydrogen atoms;
- L1 and L2 are each independently an unsubstituted phenylene group;
- n is 0 or 1, when n is 0, -(L2)0- is a single bond;
- and
- R31 to R38, R42, R43, R45, R46, and R52 to R56 are hydrogen atoms.
A compound represented by formula (5a-1) or (5a-2)
- where X is an oxygen atom;
- one selected from R1 to R4 is a single bond bonded to *f;
- R5 to R8 and R1 to R4 not the single bond bonded to *f are hydrogen atoms;
- R11 to R17 and R21 to R30 are hydrogen atoms;
- L1 and L2 are each independently an unsubstituted phenylene group;
- n is 0 or 1, when n is 0, -(L2)0- is a single bond;
- and
- R32, R33, R35, R36, R41 to R48, and R52 to R56 are hydrogen atoms.
A compound represented by formula (6a-1) or (6a-2)
- where X is an oxygen atom;
- one selected from R1 to R4 is a single bond bonded to *f;
- R5 to R8 and R1 to R4 not the single bond bonded to *f are hydrogen atoms;
- R11 to R17 and R21 to R30 are hydrogen atoms;
- L1 and L2 are each independently an unsubstituted phenylene group;
- n is 0 or 1, when n is 0, -(L2)0- is a single bond;
- and
- R32, R33, R35, R36, R42, R43, R45, R46, and R51 to R58 are hydrogen atoms.
Dependencies are inferred from the claim text.