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US 12,225,818 B2Granted
Organic light-emitting device
AssigneeLG Chem, Ltd.
InventorsJoo Ho Kim, Ji Young Choi, Woochul Lee, Dong Hoon Lee, Dongheon Kim, Sang Duk Suh, Hyungjin Lee
Life of this patent
Estimating the term…
Abstract
An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.
Claims19
An organic light emitting device comprising:
- a first electrode;
- a second electrode;
- and
- a light emitting layer provided between the first electrode and the second electrode,
- wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2, and a compound of Chemical Formulae 3-5 or 3-6:
- wherein in Chemical Formulae 1 and 2:
- L1 to L4 are the same as or different from each other, and each independently a direct bond or a substituted or unsubstituted arylene group;
- Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
- Ar3 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group;
- R1 to R3 are the same as or different from each other, and each independently hydrogen, deuterium, a halogen group, a cyano group, a silyl group, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryloxy group, an amino group, an aryl group, or a heteroaryl group;
- and
- a1 and a2 are each independently an integer of 0 to 8, a3 is an integer of 0 to 7, and when a1 is 2 or greater, the R1s are the same as or different from each other, when a2 is 2 or greater, the R2s are the same as or different from each other, and when a3 is 2 or greater, the R3s are the same as or different from each other:
- wherein in Chemical Formulae 3-5 and 3-6:
- X is B, P=O or P=S;
- A1 to A3 are the same as or different from each other, and each independently a monocyclic or polycyclic ring;
- A4 and A5 are the same as or different from each other, and each independently a monocyclic or polycyclic ring;
- Y2 is O or NR12;
- Y3 is CR21R22 or SiR27R28, Y4 is a direct bond, O, CR23R24 or NR14, and Y5 is a direct bond, O, CR25R26 or NR15;
- R12, R14, and R15 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group, or an aryl group that is unsubstituted or substituted with an alkyl group, an arylalkyl group or an aryl group;
- R21 and R22 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group or an aryl group, or bond to each other to form a ring;
- R23 and R24 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group or an aryl group, or bond to each other to form a ring;
- R25 and R26 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group or an aryl group, or bond to each other to form a ring;
- R27 and R28 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group or an aryl group;
- T1 to T5 are the same as or different from each other, and each independently hydrogen, deuterium, a hydroxyl group, an alkyl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an aryl group, a heteroaryl group, or —NR41R42, and R41 and R42 are the same as or different from each other and each independently hydrogen, an alkyl group, a heteroaryl group, or an aryl group that unsubstituted or substituted with an alkyl group or a silyl group;
- and
- c1 to c5 are each independently an integer of 0 or greater, and when c1 is 2 or greater, the T1s are the same as or different from each other, when c2 is 2 or greater, the T2s are the same as or different from each other, when c3 is 2 or greater, the T3s are the same as or different from each other, when c4 is 2 or greater, the T4s are the same as or different from each other, and when c5 is 2 or greater, the T5s are the same as or different from each other.
23 more elements
An organic light emitting device comprising:
- a first electrode;
- a second electrode;
- and
- a light emitting layer provided between the first electrode and the second electrode,
- wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2, and a compound BD-11 or BD-18:
- wherein in Chemical Formulae 1 and 2:
- L1 to L4 are the same as or different from each other, and each independently a direct bond;
- or a substituted or unsubstituted arylene group;
- Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
- Ar3 is a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- R1 to R3 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a halogen group;
- a cyano group;
- a silyl group;
- an alkyl group;
- a cycloalkyl group;
- an alkenyl group;
- an alkynyl group;
- an alkoxy group;
- an aryloxy group;
- an amino group;
- an aryl group;
- or a heteroaryl group;
- and
- a1 and a2 are each independently an integer of 0 to 8, a3 is an integer of 0 to 7, and when a1 is 2 or greater, R1s are the same as or different from each other, when a2 is 2 or greater, R2s are the same as or different from each other, and when a3 is 2 or greater, R3s are the same as or different from each other;
24 more elements
An organic light emitting device comprising:
- a first electrode;
- a second electrode;
- and
- a light emitting layer provided between the first electrode and the second electrode,
- wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2, and a compound of Chemical Formula 3-2:
- wherein in Chemical Formulae 1 and 2:
- L1 to L4 are the same as or different from each other, and each independently a direct bond;
- or a substituted or unsubstituted arylene group;
- Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
- Ar3 is a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heteroaryl group;
- R1 to R3 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a halogen group;
- a cyano group;
- a silyl group;
- an alkyl group;
- a cycloalkyl group;
- an alkenyl group;
- an alkynyl group;
- an alkoxy group;
- an aryloxy group;
- an amino group;
- an aryl group;
- or a heteroaryl group;
- and
- a1 and a2 are each independently an integer of 0 to 8, a3 is an integer of 0 to 7, and when a1 is 2 or greater, R1s are the same as or different from each other, when a2 is 2 or greater, R2s are the same as or different from each other, and when a3 is 2 or greater, R3s are the same as or different from each other,
- wherein in Chemical Formulae 3-2:
- X is B;
- A1 to A3 are the same as or different from each other, and each independently a monocyclic or polycyclic ring;
- Y1 is O or NR11, and Y2 is O or NR12;
- Y3 is SiR27R28;
- R11 and R12 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- an alkyl group;
- a cycloalkyl group;
- or an aryl group unsubstituted or substituted with an alkyl group, an arylalkyl group or an aryl group;
- R27 and R28 are the same as or different from each other, and each independently hydrogen, deuterium, an alkyl group, a cycloalkyl group or an aryl group;
- T1 to T3 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a hydroxyl group;
- an alkyl group;
- a cycloalkyl group;
- an alkoxy group;
- an aryloxy group;
- an aryl group;
- a heteroaryl group;
- or —NR41R42, and R41 and R42 are the same as or different from each other and each independently hydrogen;
- an alkyl group;
- an aryl group unsubstituted or substituted with an alkyl group or a silyl group;
- or a heteroaryl group;
- and
- c1 to c3 are each independently an integer of 0 or greater, and when c1 is 2 or greater, T1s are the same as or different from each other, when c2 is 2 or greater, T2s are the same as or different from each other, when c3 is 2 or greater, T3s are the same as or different from each other.
50 more elements
Dependencies are inferred from the claim text.