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US 2023/0055036 A1Published application
Organic electroluminescence device and monoamine compound for organic electroluminescence device
AssigneeSamsung Display Co., Ltd.
InventorsHideo MIYAKE, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA, Takuya UNO, Hiroaki ITOI
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Abstract
An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region. The hole transport region includes a monoamine compound represented by the following Formula 1:
Claims17
A monoamine compound represented by Formula 1:
- wherein in Formula 1,
- X is S, O or CRR′,
- R and R′ are each independently a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 10 ring carbon atoms, and are separate or form a ring by combining adjacent groups with each other,
- L1 is an unsubstituted phenylene or biphenylene group, or an unsubstituted heteroarylene group having 2 to 12 carbon atoms for forming a ring,
- L2 is a direct linkage, a substituted or unsubstituted arylene group having 6 to 12 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 12 ring carbon atoms,
- m is an integer of 0 to 2,
- n is 1 or 2,
- RA is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
- q is an integer of 0 to 7,
- Ar1 is a substituted or unsubstituted aryl group having 6 to 12 ring carbon atoms, or a substituted or unsubstituted heteroaryl group selected from thiophenyl, furanyl, pyrrolyl, imidazolyl, thiazolyl, oxazolyl, oxadiazolyl, triazolyl, pyridinyl, bipyridinyl, pyrimidinyl, triazinyl, triazolyl, pyridazinyl, pyrazinyl, quinolinyl, quinazolinyl, quinoxalinyl, phenoxazinyl, phthalazinyl, pyridopyrimidinyl, pyridopyrazinyl, pyrazinopyrazinyl, isoquinolinyl, indolyl, carbazolyl, N-aryl carbazolyl, N-heteroaryl carbazolyl, N-alkyl carbazolyl, benzoxazolyl, benzimidazoyl, benzothiazolyl, dibenzothiophenyl, thienothiophenyl, phenanthrolinyl, thiazolyl, isoxazolyl, oxadiazolyl, thiadiazolyl, and phenothiazinyl, provided that when X is CRR′, Ar1 does not comprise a heteroaryl group, and
- FR is represented by one of the following:
- wherein R1 is a hydrogen atom, a deuterium atom, or a halogen atom, and
- b is an integer of 0 to 6.
10 more elements
An organic electroluminescence device, comprising:
- a first electrode;
- a hole transport region on the first electrode;
- an emission layer on the hole transport region;
- an electron transport region on the emission layer;
- and
- a second electrode on the electron transport region,
- wherein the hole transport region comprises a monoamine compound represented by Formula 1:
- wherein in Formula 1,
- X is CRR′,
- R and R′ are each independently a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 10 ring carbon atoms, and are separate or form a ring by combining adjacent groups with each other,
- L1 is an unsubstituted arylene group having 6 to 12 carbon atoms for forming a ring, or an unsubstituted heteroarylene group having 2 to 12 carbon atoms for forming a ring,
- L2 is a direct linkage, a substituted or unsubstituted arylene group having 6 to 12 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 12 ring carbon atoms,
- m is an integer of 0 to 2,
- n is 1 or 2,
- RA is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
- q is an integer of 0 to 7,
- Ar1 is a substituted or unsubstituted aryl group having 6 to 12 ring carbon atoms, and
- FR is represented by Formula 2:
- wherein in Formula 2,
- R1 is a hydrogen atom, a deuterium atom, or a halogen atom, and
- a is an integer of 0 to 6.
18 more elements
Dependencies are inferred from the claim text.