Patent ID: 11871649
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 8:
9. An organic light-emitting device comprising:
a substrate divided into a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region;
a plurality of first electrodes respectively arranged in the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region of the substrate;
a second electrode facing the plurality of first electrodes; and
an organic layer between the plurality of first electrodes and the second electrode,
wherein the organic layer comprises:
a first emission layer, a second emission layer, and a third emission layer respectively arranged in the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region of the substrate;
a hole transport region between the plurality of first electrodes and the first to third emission layers; and
an electron transport region between the first to third emission layers and the second electrode,
wherein 50% or more of a total volume of the second electrode is silver (Ag), the hole transport region comprises an amine-based polymer comprising a first repeating unit represented by Formula 1, and a number average molecular weight of the amine-based polymer is 1,000 or more:, wherein, in Formula 1,
L11 to L13 are each independently selected from a substituted or unsubstituted C3-C10 cycloalkenylene group, a substituted or unsubstituted C1-C10 heterocycloalkenylene group, a substituted or unsubstituted C6-C60 arylene group, a substituted or unsubstituted C1-C60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,
n11 to n13 are each independently selected from 0, 1, 2, and 3,
R11 is selected from 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 C1-C60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, and
* and *′ each indicate a binding site to a neighboring atom, and
wherein
the amine-based polymer comprises a second repeating unit represented by Formula 2-1, wherein, in Formula 2-1,
R22 and R23 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a cyano group, a nitro group, a C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, a phenyl group substituted with a C1-C10 alkyl group, a phenyl group substituted with —F, a naphthyl group, —Si(Q31)(Q32)(Q33), and —N(Q31)(Q32),
b22 is selected from 1, 2, and 3, and
R24 and R25 are each independently a C1-C10 alkyl group:
Q31 to Q33 are each independently selected from a phenyl group, a naphthyl group, a fluorenyl group, a benzofluorenyl group, a dibenzofluorenyl group, a phenanthrenyl group, a thiophenyl group, a furanyl group, a pyridinyl group, a pyrimidinyl group, a triazinyl group, a carbazolyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, and a dibenzocarbazolyl group, and
* and *′ each indicate a binding site to a neighboring atom,
wherein, the amine-based polymer further comprises a third repeating unit represented by Formula 2-1, wherein:
R22 and R23 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a cyano group, a nitro group, a C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, a phenyl group substituted with a C1-C10 alkyl group, a phenyl group substituted with —F, a naphthyl group, —Si(Q31)(Q32)(Q33), and —N(Q31)(Q32),
b22 is selected from 1, 2, and 3, and
R24 and R25 are each independently selected from a crosslinking group represented by one selected from Formulae 7-1 to 7-3, and a phenyl group substituted with a C1-C10 alkyl group,, in Formulae 7-1 to 7-3,
R71 is selected from hydrogen and a C1-C20 alkyl group,
b71 is selected from 1, 2, and 3,
Q31 to Q33 are each independently selected from a phenyl group, a naphthyl group, a fluorenyl group, a benzofluorenyl group, a dibenzofluorenyl group, a phenanthrenyl group, a thiophenyl group, a furanyl group, a pyridinyl group, a pyrimidinyl group, a triazinyl group, a carbazolyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, and a dibenzocarbazolyl group, and
* and *′ each indicate a binding site to a neighboring atom.