›2.↳ 1The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a cyano group, a halogen…d2
The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a cyano group, a halogen atom, an unsubstituted C1-C20 alkyl group, a substituted C1-C20 alkyl group with at least one fluorine (—F) substituent, a substituted or unsubstituted C5-C20 aryl group, or a substituted or unsubstituted C3-C20 heteroaryl group.
›3.↳ 1The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano …d2
The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted C1-C20 alkyl group, or groups represented by Formulae 2a to 2f below:
›4.↳ 1The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano …d2
The heterocyclic compound of claim 1, wherein R1 to R5 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, or groups represented by Formulae 3a to 3h below:
›5.↳ 1The heterocyclic compound of claim 1, wherein R2 and R5 in Formula 1 are hydrogen atoms; and R1, R3, and R1 are each independently a hydrogen atom, a …d2
The heterocyclic compound of claim 1, wherein R2 and R5 in Formula 1 are hydrogen atoms; and R1, R3, and R1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, or groups represented by Formulae 3a to 3h below:
›6.↳ 1The heterocyclic compound of claim 1, wherein R2 and R5 are hydrogen atoms; and R1, R3 and R4 are each independently a hydrogen, a substituted or unsu…d2
The heterocyclic compound of claim 1, wherein R2 and R5 are hydrogen atoms; and R1, R3 and R4 are each independently a hydrogen, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C6-C20 aryl group, or a substituted or unsubstituted C3-C20 heteroaryl group.
›7.↳ 1The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a substituted or unsubstituted C1-C20 alkyl group, a sub…d2
The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C5-C20 aryl group, or a substituted or unsubstituted C3-C20 heteroaryl group.
›8.↳ 1The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a group represented by one of Formulae 4a to 4d below:d2
The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a group represented by one of Formulae 4a to 4d below:
›9.↳ 1The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a group represented by one of Formulae 5a to 5i below:d2
The heterocyclic compound of claim 1, wherein Ar1 and Ar2 in Formula 1 are each independently a group represented by one of Formulae 5a to 5i below:
›10.↳ 1The heterocyclic compound of claim 1, wherein Ar3 for X in Formula 1 is a substituted or unsubstituted C5-C20 arylene group, a substituted or unsubsti…d2
The heterocyclic compound of claim 1, wherein Ar3 for X in Formula 1 is a substituted or unsubstituted C5-C20 arylene group, a substituted or unsubstituted C3-C20 heteroarylene group, or a substituted or unsubstituted C6-C20 condensed polycyclic group.
›11.↳ 1The heterocyclic compound of claim 1, wherein Ar3 for X in Formula 1 comprises a group represented by one of Formulae 6a to 6e below:d2
The heterocyclic compound of claim 1, wherein Ar3 for X in Formula 1 comprises a group represented by one of Formulae 6a to 6e below:
›12.↳ 1The heterocyclic compound of claim 1, wherein n is 1 or 2.d2
The heterocyclic compound of claim 1, wherein n is 1 or 2.
›13.↳ 1The heterocyclic compound of claim 1, wherein X in Formula 1 comprises a group represented by one of Formulae 7a to 7j:d2
The heterocyclic compound of claim 1, wherein X in Formula 1 comprises a group represented by one of Formulae 7a to 7j:
›14.↳ 1The heterocyclic compound of claim 1, wherein R1, R3, and R4 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a …d2
The heterocyclic compound of claim 1, wherein R1, R3, and R4 in Formula 1 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, or groups represented by Formulae 3a to 3h below:
›15.↳ 1The heterocyclic compound of claim 1, represented by one of the compounds below:d2
The heterocyclic compound of claim 1, represented by one of the compounds below:
›16.↳ 1An organic light-emitting device comprising:na first electrode;a second electrode; andan organic layer between the first electrode and the second elec…d2+11
An organic light-emitting device comprising:na first electrode;a second electrode; andan organic layer between the first electrode and the second electrode,wherein the organic layer comprises a first layer including the heterocyclic compound represented by Formula 1 of claim 1.
›17.↳ 16The organic light-emitting device of claim 16, wherein the first layer comprises a hole injection layer, a hole transport layer, a functional layer ha…d3
The organic light-emitting device of claim 16, wherein the first layer comprises a hole injection layer, a hole transport layer, a functional layer having both hole injection and hole transport capabilities, an electron injection layer, an electron transport layer, a functional layer having both electron injection and electron transport capabilities or any combination thereof.
›18.↳ 16The organic light-emitting device of claim 16, wherein the first layer comprises an emission layer, and a heterocyclic compound of Formula 1 is used i…d3
The organic light-emitting device of claim 16, wherein the first layer comprises an emission layer, and a heterocyclic compound of Formula 1 is used in the emission layer as a host or a dopant for a fluorescent or phosphorescent device.
›19.↳ 16The organic light-emitting device of claim 16, wherein the first layer comprises an emission layer,nwherein the emission layer comprises an anthracene…d3
The organic light-emitting device of claim 16, wherein the first layer comprises an emission layer,nwherein the emission layer comprises an anthracene compound, an arylamine compound, or a styryl compound.
›20.↳ 16The organic light-emitting device of claim 16, wherein the organic layer comprises an emission layer,nwherein the emission layer comprises red, green,…d3
The organic light-emitting device of claim 16, wherein the organic layer comprises an emission layer,nwherein the emission layer comprises red, green, blue, and white emission layers, one of which comprises a phosphorescent compound.
›21.↳ 16The organic light-emitting device of claim 16, wherein the first layer comprises a blue emission layer.d3
The organic light-emitting device of claim 16, wherein the first layer comprises a blue emission layer.
›22.↳ 16The organic light-emitting device of claim 16, wherein the first layer comprises a blue emission layer, and a heterocyclic compound of Formula 1, wher…d3
The organic light-emitting device of claim 16, wherein the first layer comprises a blue emission layer, and a heterocyclic compound of Formula 1, wherein the heterocyclic compound is used as a blue dopant.
›23.↳ 16The organic light-emitting device of claim 16, wherein the organic layer further comprises a hole injection layer, a hole transport layer, a functiona…d3+3
The organic light-emitting device of claim 16, wherein the organic layer further comprises a hole injection layer, a hole transport layer, a functional layer having both hole injection and transport functions, an emission layer, a hole blocking layer, an electron transport layer, an electron injection layer, and a combination of at least two of these layers.
›24.↳ 23The organic light-emitting device of claim 23, wherein at least one of the hole injection layer, the hole transport layer, and the functional layer ha…d4
The organic light-emitting device of claim 23, wherein at least one of the hole injection layer, the hole transport layer, and the functional layer having both hole injection and transport functions further comprises a charge-generating material.
›25.↳ 23The organic light-emitting device of claim 23, wherein the electron transport layer comprises an electron transporting organic material and a metal-co…d4+1
The organic light-emitting device of claim 23, wherein the electron transport layer comprises an electron transporting organic material and a metal-containing material.
›26.↳ 25The organic light-emitting device of claim 25, wherein the metal-containing material comprises a lithium complex.d5
The organic light-emitting device of claim 25, wherein the metal-containing material comprises a lithium complex.
›28.↳ 16A flat panel display device comprising the organic light-emitting device of claim 16, wherein the first electrode of the organic light-emitting device…d3
A flat panel display device comprising the organic light-emitting device of claim 16, wherein the first electrode of the organic light-emitting device is electrically connected to a source electrode or a drain electrode of a thin-film transistor.
›27.↳ 1multiple · 1, 16The organic light-emitting device of claim 16, wherein the first layer is formed of a heterocyclic compound of Formula 1 of claim 1 by using a wet pro…d2
Multiple dependency — claims 1, 16. Shown here under 1; it stands on every one of them.
The organic light-emitting device of claim 16, wherein the first layer is formed of a heterocyclic compound of Formula 1 of claim 1 by using a wet process.