US 12,114,563 B2
Organic light-emitting device
Yusuke Maruyama, Hwaseong-si (KR); Sangmo Kim, Hwaseong-si (KR); Juhyun Kim, Seoul (KR); Joonghyuk Kim, Seoul (KR); Hwangsuk Kim, Suwon-si (KR); Sungho Nam, Daegu (KR); Soohwan Sul, Suwon-si (KR); Dmitry Androsov, Hwaseong-si (KR); Soonok Jeon, Suwon-si (KR); and Yongsik Jung, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on May 19, 2021, as Appl. No. 17/324,323.
Claims priority of application No. 10-2020-0130411 (KR), filed on Oct. 8, 2020.
Prior Publication US 2023/0069900 A1, Mar. 9, 2023
Int. Cl. H10K 85/30 (2023.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/12 (2023.01)
CPC H10K 85/631 (2023.02) [C09K 11/06 (2013.01); H10K 85/346 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/121 (2023.02)] 18 Claims
 
1. An organic light-emitting device comprising:
a first electrode;
a second electrode facing the first electrode; and
an organic layer located between the first electrode and the second electrode and including an emission layer,
wherein the emission layer comprises a host compound, a first dopant compound, and a second dopant compound, and
the second dopant compound is represented by Formula 1:
A-(Ar1)n11  Formula 1
wherein, in Formula 1,
A is a group represented by Formula 1-1,

OG Complex Work Unit Chemistry
Ar1 is a substituted or unsubstituted C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
n11 is an integer of 4 or more,
Ar1 in the number of n11 are identical to or different from each other,
M is B, Al, Si(Ra), Ge(Ra), P, P(═O), or P(═S),
CY1 to CY5 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group,
Ra and R1 to R5 are each independently a binding site to Ar1 in Formula 1, hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C1-C60 alkylthio group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C2-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryl alkyl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio group, a substituted or unsubstituted C1-C60 heteroalkyl aryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —N(Q1)(Q2), —Si(Q3)(Q4)(Q5), —B(Q6)(Q7), or —P(═O)(Q8)(Q9),
a1 to a5 are each independently an integer from 1 to 10,
two neighboring groups of R1 to R5 are optionally linked to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with R10 or a C1-C30 heterocyclic group unsubstituted or substituted with R10, wherein R10 is the same as described in connection with R1, and
at least one substituent of the substituted C5-C30 carbocyclic group, the substituted C1-C30 heterocyclic group, the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C1-C60 alkylthio group, the substituted C3-C10 cycloalkyl group, the substituted C1-C10 heterocycloalkyl group, the substituted C3-C10 cycloalkenyl group, the substituted C2-C10 heterocycloalkenyl group, the substituted C6-C60 aryl group, the substituted C6-C60 aryl alkyl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted C1-C60 heteroaryloxy group, the substituted C1-C60 heteroarylthio group, the substituted C1-C60 heteroalkyl aryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is:
deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkylthio group, or a C1-C60 alkoxy group;
a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkylthio group, or a C1-C60 alkoxy group, each independently substituted with at least one deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryl alkyl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a C1-C60 heteroalkyl aryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q11)(Q12)(Q13), —N(Q14)(Q15), —B(Q16)(Q17), or —P(═O)(Q18)(Q19);
a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryl alkyl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C6-C60 aryl alkyl group, a C1-C60 heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a C1-C60 heteroalkyl aryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group;
a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C1-C60 aryloxy group, a C6-C60 arylthio group, a C6-C60 alkyl aryl group, a C1-C60 heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a C1-C60 heteroalkyl aryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each independently substituted with at least one deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, -CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C1-C60 alkylthio group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryl alkyl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a C1-C60 heteroalkyl aryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q21)(Q22)(Q23), —N(Q24)(Q25)-B(Q26)(Q27), or —P(═O)(Q28)(Q29); or
—Si(Q31)(Q32)(Q33), —N(Q34)(Q35), —B(Q36)(Q37), or —P(═O)(Q38)(Q39),
wherein Q1 to Q9, Q11 to Q19, Q21 to Q29, and Q31 to Q39 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C1-C60 alkylthio group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C1-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryl alkyl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio group, a substituted or unsubstituted C1-C60 heteroalkyl aryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, or a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, and
wherein the first dopant compound comprises an organometallic compound represented by Formula 101 below:
M11(L1)n1(L2)n2  Formula 101
wherein, in Formula 101,
M11 is a first-row transition metal of the Periodic Table of Elements, a second-row transition metal of the Periodic Table of Elements, or a third-row transition metal of the Periodic Table of Elements,
L1 is a ligand represented by one of Formulae 10-1 to 10-4,
L2 is a monodentate ligand or a bidentate ligand,
n1 is 1, and
n2 is 0, 1, or 2,

OG Complex Work Unit Chemistry
wherein, in Formulae 10-1 to 10-4,
A1 to A4 are each independently a substituted or unsubstituted C5-C30 carbocyclic group, a substituted or unsubstituted C1-C30 heterocyclic group, or a non-cyclic group,
Y11 to Y14 are each independently a chemical bond, O, S, N(R91), B(R91), P(R91), or C(R91)(R92),
T1 to T4 are each independently a single bond, a double bond, *—N(R93)—*′, *—B(R93)—*′, *—P(R93)—*′, *—C(R93)(R94)—*′, *—Si(R93)(R94)—*′, *—Ge(R93)(R94)—*′, *—S—*′, *—Se—*′, *—O—*′, *—C(═O)—*′, *—S(═O)—*′, *—S(═O)2—*′, *—C(R93)═*′, *═C(R93)—*′, *—C(R93)—C(R94)—*′, *—C(═S)—*′, or *—C≡C—*′,
a substituent of the substituted C5-C30 carbocyclic group, a substituent of the substituted C1-C30 heterocyclic group, or R91 to R94 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C1-C60 alkylthio group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C1-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio group, a substituted or unsubstituted C1-C60 heteroalkyl aryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q1)(Q2)(Q3), —B(Q1)(Q2), —N(Q1)(Q2), —P(Q1)(Q2), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2), wherein each of the substituent of the substituted C5-C30 carbocyclic group or the substituent of the substituted C1-C30 heterocyclic group is not hydrogen,
*1, *2, *3, and *4 each indicate a binding site to M11, and
Q1 to Q3 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C1-C60 alkylthio group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C2-C60 alkyl heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a heteroalkyl aryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a C1-C60 alkyl group substituted with at least one deuterium, —F, a cyano group, a C1-C60 alkyl group, and a C6-C60 aryl group, or a C6-C60 aryl group substituted with at least one deuterium, —F, a cyano group, a C1-C60 alkyl group, or a C6-C60 aryl group.