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US 2022/0029101 A1Published application
Organic light emitting diode
AssigneeLG Chem, Ltd.
InventorsSung Jae LEE, Sung KII HONG, Yongbum CHA, Woo Jin CHO, Joo Yong YOON, Hyeon Jin MUN
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Abstract
An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.
Claims6
An organic light emitting device comprising:
- a first electrode;
- a second electrode provided to face the first electrode;
- and
- an organic material layer having one, two or more layers provided between the first electrode and the second electrode,
- wherein the organic material layer includes a first organic material layer including a compound of the following Chemical Formula 1 and a second organic material layer including a compound of the following Chemical Formula 2:
- wherein, in Chemical Formulae 1 and 2,
- Ar1 to Ar4 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a nitrile group;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted aryl group;
- a substituted or unsubstituted arylalkyl group;
- a substituted or unsubstituted arylalkenyl group or a substituted or unsubstituted heteroaryl group,
- R1 is hydrogen;
- a nitrile group;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group;
- an aryl group;
- a substituted or unsubstituted arylalkyl group;
- a substituted or unsubstituted arylalkenyl group;
- or a substituted or unsubstituted heteroaryl group,
- R2 to R8 are the same as or different from each other, and each independently hydrogen;
- deuterium;
- a nitrile group;
- a halogen group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted silyl group a substituted or unsubstituted aryl group;
- a substituted or unsubstituted arylalkyl group;
- a substituted or unsubstituted arylalkenyl group;
- or a substituted or unsubstituted heteroaryl group,
- L1 to L7 are the same as or different from each other, and each independently a direct bond;
- a substituted or unsubstituted alkylene group;
- a substituted or unsubstituted arylene group;
- or a substituted or unsubstituted heteroarylene group;
- p1, q1, r1, s1, p2, q2 and r2 are each an integer of 0 to 2,
- substituents in the parentheses are the same as or different from each other provided that p1, q1, r1, s1, p2, q2 and r2 are 2,
- a and e to h are an integer of 0 to 4,
- b is an integer of 0 to 3,
- c and d are an integer of 0 to 2,
- d+f≤5,
- c+g≤5, and
- substituents in the parentheses are the same as or different from each other provided that a to f are 2 or greater.
41 more elements
Dependencies are inferred from the claim text.