CROSS-REFERENCE TO RELATED APPLICATION
This application is based on and claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2023-0098941, filed on Jul. 28, 2023, in the Korean Intellectual Property Office, the content of which is herein incorporated by reference in its entirety.
BACKGROUND
1. Field
The disclosure relates to a heterocyclic compound and an organic light-emitting device including the same.
2. Description of the Related Art
Organic light-emitting devices are self-emissive devices, which have improved characteristics in terms of viewing angles, response time, brightness, driving voltage, and response speed, and produce full-color images.
OLEDs include an anode, a cathode, and an organic layer between the anode and the cathode and including an emission layer. A hole transport region may be between the anode and the emission layer, and an electron transport region may be between the emission layer and the cathode. Holes provided from the anode may move toward the emission layer through the hole transport region, and electrons provided from the cathode may move toward the emission layer through the electron transport region. The holes and the electrons recombine in the emission layer to produce excitons. The excitons may transition from an excited state to a ground state, thus generating light.
SUMMARY
Provided are a heterocyclic compound and an organic light-emitting device including the same.
Additional aspects will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the presented embodiments of the disclosure.
According to an aspect of the disclosure, provided is a heterocyclic compound represented by Formula 1:
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- wherein, in Formulae 1 and 2,
- X1 is a single bond, O, S, Se, N(Ar2), N(R1), C(R1)(R2), Si(R1)(R2), Ge(R1)(R2), P(R1), P(═O)(R1), S(═O)2, or C(═O),
- CY1 to CY3 are each independently a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
- Ar1 and Ar2 are each independently a group represented by Formula 2,
- L1 is a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group,
- a1 is 1, 2, or 3,
- CY21 to CY24 are each independently a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
- R1, R2, R10, R20, R30, R40, R50, R60, and R70 are each independently a group represented by Formula 2, hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 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 C7-C60 alkylaryl 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 C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio 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(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), —P(═S)(Q1)(Q2), or a group represented by Formula 3,
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- wherein, in Formula 3,
- X31 is a single bond, O, S, N(R301), or C(R301)(R302),
- k31 is 0 or 1,
- CY31 and CY32 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group,
- L30 is a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group,
- a30 is 0, 1, 2, or 3,
- R301, R302, R310, and R320 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 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 C7-C60 alkylaryl 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 C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio 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(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2),
- b310 and b320 are each independently 1, 2, 3, 4, 5, 6, 7, or 8,
- b10, b20, b30, b40, b50, b60, and b70 are each independently 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14,
- neighboring two or more of R1, R2, R10, R20, R30, R40, R50, R60, R70, R301, R302, R310, and R320 are optionally bonded to each other to form a substituted or unsubstituted C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
- 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 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 C7-C60 alkylaryl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted C2-C60 alkylheteroaryl group, the substituted C1-C60 heteroaryloxy group, the substituted C1-C60 heteroarylthio 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group,
- a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each substituted with 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q11)(Q12), —Si(Q11)(Q12)(Q13), —Ge(Q11)(Q12)(Q13), —C(═O)(Q11), —S(═O)(Q11), —S(═O)2(Q11), —B(Q11)(Q12), —P(Q11)(Q12), —P(═O)(Q11)(Q12), —P(═S)(Q11)(Q12), or any combination thereof,
- a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each unsubstituted or substituted with 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 or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid 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 C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q21)(Q22), —Si(Q21)(Q22)(Q23), —Ge(Q21)(Q22)(Q23), —C(═O)(Q21), —S(═O)(Q21), —S(═O)2(Q21), —B(Q21)(Q22), —P(Q21)(Q22), —P(═O)(Q21)(Q22), —P(═S)(Q21)(Q22), or any combination thereof,
- —N(Q31)(Q32), —Si(Q31)(Q32)(Q33), —Ge(Q31)(Q32)(Q33), —C(═O)(Q31), —S(═O)(Q31), —S(═O)2(Q31), —B(Q31)(Q32), —P(Q31)(Q32), —P(═O)(Q31)(Q32), or —P(Q31)(Q32), or
- any combination thereof,
- Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C1-C60 alkyl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, and
- * indicates a binding site to an adjacent atom.
According to another aspect of the disclosure, an organic light-emitting device includes the heterocyclic compound.
BRIEF DESCRIPTION OF THE DRAWINGS
The above and other aspects, features, and advantages of certain embodiments of the disclosure will be more apparent from the following description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic cross-sectional view of an organic light-emitting device according to an embodiment; and
FIGS. 2 to 6 are each a schematic diagram illustrating energy transfer of an organic light-emitting device according to an embodiment.
DETAILED DESCRIPTION
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. In this regard, the present embodiments may have different forms and should not be construed as being limited to the descriptions set forth herein. Accordingly, the embodiments are merely described below, by referring to the figures, to explain aspects.
It will be understood that when an element is referred to as being “on” another element, it can be directly on the other element or intervening elements may be present therebetween In contrast, when an element is referred to as being “directly on” another element, there are no intervening elements present.
It will be understood that, although the terms “first,” “second,” “third” etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, “a first element,” “component,” “region,” “layer” or “section” discussed below could be termed a second element, component, region, layer or section without departing from the teachings herein.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, “a,” “an,” “the,” and “at least one” do not denote a limitation of quantity, and are intended to cover both the singular and plural, unless the context clearly indicates otherwise. For example, “an element” has the same meaning as “at least one element,” unless the context clearly indicates otherwise. Expressions such as “at least one of,” when preceding a list of elements, modify the entire list of elements and do not modify the individual elements of the list.
“Or” means “and/or.” As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items. It will be further understood that the terms “comprises” and/or “comprising,” or “includes” and/or “including” when used in this specification, specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components, and/or groups thereof.
Furthermore, relative terms, such as “lower” or “bottom” and “upper” or “top,” may be used herein to describe one element's relationship to another element as illustrated in the Figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the Figures. For example, if the device in one of the figures is turned over, elements described as being on the “lower” side of other elements would then be oriented on “upper” sides of the other elements. The exemplary term “lower,” can therefore, encompasses both an orientation of “lower” and “upper,” depending on the particular orientation of the figure. Similarly, if the device in one of the figures is turned over, elements described as “below” or “beneath” other elements would then be oriented “above” the other elements. The exemplary terms “below” or “beneath” can, therefore, encompass both an orientation of above and below.
“About” or “approximately” as used herein is inclusive of the stated value and means within an acceptable range of deviation for the particular value as determined by one of ordinary skill in the art, considering the measurement in question and the error associated with measurement of the particular quantity (i.e., the limitations of the measurement system). For example, “about” can mean within one or more standard deviations, or within ±30%, 20%, 10% or 5% of the stated value.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Exemplary embodiments are described herein with reference to cross section illustrations that are schematic illustrations of idealized embodiments. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, embodiments described herein should not be construed as limited to the particular shapes of regions as illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. For example, a region illustrated or described as flat may, typically, have rough and/or nonlinear features. Moreover, sharp angles that are illustrated may be rounded. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the precise shape of a region and are not intended to limit the scope of the present claims.
A heterocyclic compound according to an embodiment may be represented by Formula 1:
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In Formula 1, X1 may be a single bond, O, S, Se, N(Ar2), N(R1), C(R1)(R2), Si(R1)(R2), Ge(R1)(R2), B(R1), P(R1), P(═O)(R1), S(═O)2, or C(═O).
In an embodiment, X1 may be a single bond, O, S, Se, N(Ar2), N(R1), C(R1)(R2), or Si(R1)(R2).
In Formula 1, CY1 to CY3 may each independently be a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group.
In an embodiment, CY1 to CY3 may each independently be i) a first ring, ii) a second ring, iii) a condensed ring in which at least two first rings are condensed, iv) a condensed ring in which at least two second rings are condensed, or v) a condensed ring in which at least one first ring is condensed with at least one second ring,
- the first ring may be a cyclopentane group, a cyclopentadiene group, a furan group, a thiophene group, a pyrrole group, a silole group, an indene group, a benzofuran group, a benzothiophene group, an indole group, a benzosilole group, an oxazole group, an isoxazole group, an oxadiazole group, an isoxadiazole group, an oxatriazole group, an isoxatriazole group, a thiazole group, an isothiazole group, a thiadiazole group, an isothiadiazole group, a thiatriazole group, an isothiatriazole group, a pyrazole group, an imidazole group, a triazole group, a tetrazole group, an azasilole group, a diazasilole group, or a triazasilole group, and
- the second ring may be an adamantane group, a norbornene group, a bicyclo[1.1.1]pentane group, a bicyclo[2.1.1]hexane group, a bicyclo[2.2.1]heptane(norbornane) group, a bicyclo[2.2.2]octane group, a cyclohexane group, a cyclohexene group, a benzene group, a pyridine group, a pyrimidine group, a pyrazine group, a pyridazine group, or a triazine group.
In an embodiment, CY1 to CY3 may each independently be a C6-C30 aromatic carbocyclic group or a C1-C30 aromatic heterocyclic group.
In an embodiment, CY1 to CY3 may each independently be a benzene group, a naphthalene group, an anthracene group, a phenanthrene group, a triphenylene group, a pyrene group, a chrysene group, a 1,2,3,4-tetrahydronaphthalene group, a benzothiophene group, a benzofuran group, an indole group, an indene group, a benzosilole group, a benzoborole group, a benzophosphole group, a benzoselenophene group, a benzogermole group, a dibenzothiophene group, a dibenzofuran group, a carbazole group, a fluorene group, a dibenzosilole group, a dibenzoborole group, a dibenzophosphole group, a dibenzoselenophene group, a dibenzogermole group, a dibenzothiophene 5-oxide group, 9H-fluorene-9-one group, a dibenzothiophene 5,5-dioxide group, an azabenzothiophene group, an azabenzofuran group, an azaindole group, an azaindene group, an azabenzosilole group, an azabenzoborole group, an azabenzophosphole group, an azabenzoselenophene group, an azabenzogermole group, an azadibenzothiophene group, an azadibenzofuran group, an azacarbazole group, an azafluorene group, an azadibenzosilole group, an azadibenzoborole group, an azadibenzophosphole group, an azadibenzoselenophene group, an azadibenzogermole group, an azadibenzothiophene 5-oxide group, an aza-9H-fluoren-9-one group, an azadibenzothiophene 5,5-dioxide group, a pyridine group, a pyrimidine group, a pyrazine group, a pyridazine group, a triazine group, a quinoline group, an isoquinoline group, a quinoxaline group, a quinazoline group, a phenanthroline group, a 5,6,7,8-tetrahydroisoquinoline group, a 5,6,7,8-tetrahydroquinoline group, an adamantane group, a norbornane group, or a norbornene group.
In an embodiment, CY1 to CY3 may each independently be a benzene group, a naphthalene group, a phenanthrene group, a fluorene group, a spirobifluorene group, a pyridine group, a pyrimidine group, a quinoline group, an isoquinoline group, a phthalazine group, a naphthyridine group, a quinoxaline group, a quinazoline group, a carbazole group, a dibenzofuran group, a dibenzothiophene group, a dibenzosilole group, a dibenzoborole group, a dibenzophosphole group, a dibenzoselenophene group, a dibenzogermole group, a dibenzothiophene 5-oxide group, 9H-fluoren-9-one group, or a dibenzothiophene 5,5-dioxide group.
In an embodiment, CY1 and CY2 may each independently be a group represented by any one of Formulae 1-1 to 1-9:
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- wherein, in Formulae 1-1 to 1-9,
- R11 to R18 and R11a to R18a are each independently the same as described in connection with R10,
- X2 may be O, S, Se, N(R3), C(R3)(R4), Si(R3)(R4), Ge(R3)(R4), B(R3), P(R3), P(═O)(R3), S(═O)2, or C(═O),
- R3 and R4 are each independently the same as described in connection with R1, and
*1 and *2 each indicate a binding site to an adjacent atom.
In an embodiment, any one of *1 and *2 in Formulae 1-1 to 1-9 may be a binding site to a B atom in Formula 1.
For example, *1 in Formulae 1-1 to 1-9 may be a binding site to a B atom in Formula 1.
In another example, *2 in Formulae 1-1 to 1-9 may be a binding site to a B atom in Formula 1.
In Formula 2, CY21 to CY24 may each independently be a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group.
In an embodiment, CY21 to CY24 may each independently be i) a first ring, ii) a second ring, iii) a condensed ring in which at least two first rings are condensed, iv) a condensed ring in which at least two second rings are condensed, or v) a condensed ring in which at least one first ring is condensed with at least one second ring,
- the first ring may be a cyclopentane group, a cyclopentadiene group, a furan group, a thiophene group, a pyrrole group, a silole group, an indene group, a benzofuran group, a benzothiophene group, an indole group, a benzosilole group, an oxazole group, an isoxazole group, an oxadiazole group, an isoxadiazole group, an oxatriazole group, an isoxatriazole group, a thiazole group, an isothiazole group, a thiadiazole group, an isothiadiazole group, a thiatriazole group, an isothiatriazole group, a pyrazole group, an imidazole group, a triazole group, a tetrazole group, an azasilole group, a diazasilole group, or a triazasilole group, and
- the second ring may be an adamantane group, a norbornene group, a bicyclo[1.1.1]pentane group, a bicyclo[2.1.1]hexane group, a bicyclo[2.2.1]heptane(norbornane) group, a bicyclo[2.2.2]octane group, a cyclohexane group, a cyclohexene group, a benzene group, a pyridine group, a pyrimidine group, a pyrazine group, a pyridazine group, or a triazine group.
In an embodiment, CY21 to CY24 may each independently be a C6-C30 aromatic carbocyclic group or a C1-C30 aromatic heterocyclic group.
In an embodiment, CY21 to CY24 may each independently be a benzene group, a naphthalene group, an anthracene group, a phenanthrene group, a triphenylene group, a pyrene group, a chrysene group, a 1,2,3,4-tetrahydronaphthalene group, a benzothiophene group, a benzofuran group, an indole group, an indene group, a benzosilole group, a benzoborole group, a benzophosphole group, a benzoselenophene group, a benzogermole group, a dibenzothiophene group, a dibenzofuran group, a carbazole group, a fluorene group, a dibenzosilole group, a dibenzoborole group, a dibenzophosphole group, a dibenzoselenophene group, a dibenzogermole group, a dibenzothiophene 5-oxide group, 9H-fluoren-9-one group, a dibenzothiophene 5,5-dioxide group, an azabenzothiophene group, an azabenzofuran group, an azaindole group, an azaindene group, an azabenzosilole group, an azabenzoborole group, an azabenzophosphole group, an azabenzoselenophene group, an azabenzogermole group, an azadibenzothiophene group, an azadibenzofuran group, an azacarbazole group, an azafluorene group, an azadibenzosilole group, an azadibenzoborole group, an azadibenzophosphole group, an azadibenzoselenophene group, an azadibenzogermole group, an azadibenzothiophene 5-oxide group, an aza-9H-fluoren-9-one group, an azadibenzothiophene 5,5-dioxide group, a pyridine group, a pyrimidine group, a pyrazine group, a pyridazine group, a triazine group, a quinoline group, an isoquinoline group, a quinoxaline group, a quinazoline group, a phenanthroline group, a 5,6,7,8-tetrahydroisoquinoline group, a 5,6,7,8-tetrahydroquinoline group, an adamantane group, a norbornane group, or a norbornene group.
In an embodiment, CY21 to CY24 may each independently be a benzene group, a naphthalene group, a phenanthrene group, a pyridine group, a pyrimidine group, a quinoline group, an isoquinoline group, a phthalazine group, a naphthyridine group, a quinoxaline group, or a quinazoline group.
In an embodiment, CY21 to CY24 may each be a benzene group.
In an embodiment, a group represented by Formula 2 may be a group represented by any one of Formulae 2A to 2D:
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- wherein, in Formulae 2A to 2D,
- CY22 to CY24 , L1, a1, R50, R60, R70, b50, b60, and b70 are each the same as described above,
- R41 to R44 are each the same as described in connection with R40, and
- * indicates a binding site to an adjacent atom.
In an embodiment, a group represented by Formula 2 may be a group represented by any one of Formulae 2-1 to 2-4:
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- wherein, in Formulae 2-1 to 2-4,
- L1 and a1 are each the same as described above,
- R41 to R44 are each the same as described in connection with R40,
- R51 to R54 are each the same as described in connection with R50,
- R61 to R64 are each the same as described in connection with R60,
- R71 to R74 are each the same as described in connection with R70, and
- * indicates a binding site to an adjacent atom.
In Formula 2, L1 may be a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group.
In an embodiment, L1 may be a single bond, a phenylene group, a naphthylene group, a phenanthrenylene group, a fluorenylene group, or a pyrenylene group; or
- a phenylene group, a naphthylene group, a phenanthrenylene group, a fluorenylene group, or a pyrenylene group, each substituted with 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-C20 alkyl group, deuterium-containing C1-C20 alkyl group, a fluorinated C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, or any combination thereof.
In an embodiment, L1 may be a single bond.
In Formula 2, a1 may be 1, 2, or 3.
In an embodiment, a1 may be 1.
In Formula 2, * indicates a binding site to an adjacent atom.
In Formulae 1 and 2, R1, R2, R10, R20, R30, R40, R50, R60, and R70 may each independently be a group represented by Formula 2, hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 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 C7-C60 alkylaryl 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 C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio 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(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), —P(═S)(Q1)(Q2), or a group represented by Formula 3:
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In Formula 3, X31 may be a single bond, O, S, N(R301), or C(R301)(R302).
In Formula 3, k31 may be 0 or 1. When k31 is 0, (X31)k31 is absent.
In Formula 3, CY31 and CY32 may each independently be a C5-C30 carbocyclic group or a C1-C30 heterocyclic group.
In an embodiment, CY31 and CY32 may each independently be a benzene group, a naphthalene group, a 1,2,3,4-tetrahydronaphthalene group, a thiophene group, a furan group, a pyrrole group, a cyclopentadiene group, a silole group, a benzothiophene group, a benzofuran group, an indole group, an indene group, a benzosilole group, a dibenzothiophene group, a dibenzofuran group, a carbazole group, a fluorene group, or a dibenzosilole group.
In Formula 3, L30 may be a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group.
In Formula 3, a30 may be 0, 1, 2, or 3.
In an embodiment, a30 may be 0 or 1.
In Formula 3, R301, R302, R310, and R320 may each independently be hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 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 C7-C60 alkylaryl 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 C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio 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(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2).
In an embodiment, R301, R302, R310, and R320 may each independently be:
- 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, —SF5, a C1-C20 alkyl group, or a C1-C20 alkoxy group;
- a C1-C20 alkyl group or a C1-C20 alkoxy group, each substituted with 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-C20 alkyl group, a deuterium-containing C1-C20 alkyl group, a fluorinated C1-C20 alkyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group(norbornanyl group), a bicyclo[2.2.2]octyl group, a (C1-C20 alkyl)cyclopentyl group, a (C1-C20 alkyl)cyclohexyl group, a (C1-C20 alkyl)cycloheptyl group, a (C1-C20 alkyl)cyclooctyl group, a (C1-C20 alkyl)adamantanyl group, a (C1-C20 alkyl)norbornenyl group, a (C1-C20 alkyl)cyclopentenyl group, a (C1-C20 alkyl)cyclohexenyl group, a (C1-C20 alkyl)cycloheptenyl group, a (C1-C20 alkyl)bicyclo[1.1.1]pentyl group, a (C1-C20 alkyl)bicyclo[2.1.1]hexyl group, a (C1-C20 alkyl)bicyclo[2.2.1]heptyl group, a (C1-C20 alkyl)bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a pyridinyl group, a pyrimidinyl group, or any combination thereof;
- a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group, a bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, a benzoisothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, an imidazopyridinyl group, an imidazopyrimidinyl group, an azacarbazolyl group, an azadibenzofuranyl group, or an azadibenzothiophenyl group, each unsubstituted or substituted with 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-C20 alkyl group, a deuterium-containing C1-C20 alkyl group, a fluorinated C1-C20 alkyl group, a C1-C20 alkoxy group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group, a bicyclo[2.2.2]octyl group, a (C1-C20 alkyl)cyclopentyl group, a (C1-C20 alkyl)cyclohexyl group, a (C1-C20 alkyl)cycloheptyl group, a (C1-C20 alkyl)cyclooctyl group, a (C1-C20 alkyl)adamantanyl group, a (C1-C20 alkyl)norbornenyl group, a (C1-C20 alkyl)cyclopentenyl group, a (C1-C20 alkyl)cyclohexenyl group, a (C1-C20 alkyl)cycloheptenyl group, a (C1-C20 alkyl)bicyclo[1.1.1]pentyl group, a (C1-C20 alkyl)bicyclo[2.1.1]hexyl group, a (C1-C20 alkyl)bicyclo[2.2.1]heptyl group, a (C1-C20 alkyl)bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, a benzoisothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, an imidazopyridinyl group, an imidazopyrimidinyl group, an azacarbazolyl group, an azadibenzofuranyl group, an azadibenzothiophenyl group, or any combination thereof; or
- —N(Q1)(Q2), —Si(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2).
In an embodiment, R301, R302, R310, and R320 may each independently be hydrogen, deuterium, a methyl group, an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, an n-pentyl group, an isopentyl group, a 2-methylbutyl group, a sec-pentyl group, a tert-pentyl group, a neo-pentyl group, a 3-pentyl group, a 3-methyl-2-butyl group, a phenyl group, a biphenyl group, a C1-C20 alkylphenyl group, or a naphthyl group.
In Formula 3, b310 and b320 may each independently be 1, 2, 3, 4, 5, 6, 7, or 8.
In an embodiment, R1, R2, R10, R20, R30, R40, R50, R60, and R70 may each independently be: a group represented by Formula 2, a group represented by Formula 3, 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, —SF5, a C1-C20 alkyl group, or a C1-C20 alkoxy group;
- a C1-C20 alkyl group or a C1-C20 alkoxy group, each substituted with 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-C20 alkyl group, a deuterium-containing C1-C20 alkyl group, a fluorinated C1-C20 alkyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group (norbornanyl group), a bicyclo[2.2.2]octyl group, a (C1-C20 alkyl)cyclopentyl group, a (C1-C20 alkyl)cyclohexyl group, a (C1-C20 alkyl)cycloheptyl group, a (C1-C20 alkyl)cyclooctyl group, a (C1-C20 alkyl)adamantanyl group, a (C1-C20 alkyl)norbornenyl group, a (C1-C20 alkyl)cyclopentenyl group, a (C1-C20 alkyl)cyclohexenyl group, a (C1-C20 alkyl)cycloheptenyl group, a (C1-C20 alkyl)bicyclo[1.1.1]pentyl group, a (C1-C20 alkyl)bicyclo[2.1.1]hexyl group, a (C1-C20 alkyl)bicyclo[2.2.1]heptyl group, a (C1-C20 alkyl)bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a pyridinyl group, a pyrimidinyl group, or any combination thereof;
- a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group, a bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, a benzoisothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, an imidazopyridinyl group, an imidazopyrimidinyl group, an azacarbazolyl group, an azadibenzofuranyl group, or an azadibenzothiophenyl group, each unsubstituted or substituted with 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-C20 alkyl group, a deuterium-containing C1-C20 alkyl group, a fluorinated C1-C20 alkyl group, a C1-C20 alkoxy group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, an adamantanyl group, a norbornenyl group, a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, a bicyclo[1.1.1]pentyl group, a bicyclo[2.1.1]hexyl group, a bicyclo[2.2.1]heptyl group, a bicyclo[2.2.2]octyl group, a (C1-C20 alkyl)cyclopentyl group, a (C1-C20 alkyl)cyclohexyl group, a (C1-C20 alkyl)cycloheptyl group, a (C1-C20 alkyl)cyclooctyl group, a (C1-C20 alkyl)adamantanyl group, a (C1-C20 alkyl)norbornenyl group, a (C1-C20 alkyl)cyclopentenyl group, a (C1-C20 alkyl)cyclohexenyl group, a (C1-C20 alkyl)cycloheptenyl group, a (C1-C20 alkyl)bicyclo[1.1.1]pentyl group, a (C1-C20 alkyl)bicyclo[2.1.1]hexyl group, a (C1-C20 alkyl)bicyclo[2.2.1]heptyl group, a (C1-C20 alkyl)bicyclo[2.2.2]octyl group, a silolanyl group, a phenyl group, a (C1-C20 alkyl)phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a 1,2,3,4-tetrahydronaphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, a benzoisothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, an imidazopyridinyl group, an imidazopyrimidinyl group, an azacarbazolyl group, an azadibenzofuranyl group, an azadibenzothiophenyl group, or any combination thereof; or
—N(Q1)(Q2), —Si(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2).
In an embodiment, R1, R2, R10, R20, R30, R40, R50, R60, and R70 may each independently be:
- a group represented by Formula 2, a group represented by Formula 3, hydrogen, deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group; or
- a group represented by any one of Formulae 9-1 to 9-61, 9-201 to 9-244, 10-1 to 10-154, and 10-201 to 10-350:
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Patent Application
20250040437
