WO2010027181A2 - 안트라센 유도체 및 이를 이용한 유기 전계 발광 소자 - Google Patents
안트라센 유도체 및 이를 이용한 유기 전계 발광 소자 Download PDFInfo
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- WO2010027181A2 WO2010027181A2 PCT/KR2009/004917 KR2009004917W WO2010027181A2 WO 2010027181 A2 WO2010027181 A2 WO 2010027181A2 KR 2009004917 W KR2009004917 W KR 2009004917W WO 2010027181 A2 WO2010027181 A2 WO 2010027181A2
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- NHEJQAGJGXUORA-UHFFFAOYSA-N CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cc(cccc3)c3c3c2cccc3)c(cccc2)c2c1-c1cc(cccc2)c2c2c1cccc2 Chemical compound CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cc(cccc3)c3c3c2cccc3)c(cccc2)c2c1-c1cc(cccc2)c2c2c1cccc2 NHEJQAGJGXUORA-UHFFFAOYSA-N 0.000 description 1
- HQGGFQABVOREEO-UHFFFAOYSA-N CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cc(cccc3)c3cc2)c(cccc2)c2c1-c1cc(cccc2)c2cc1 Chemical compound CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cc(cccc3)c3cc2)c(cccc2)c2c1-c1cc(cccc2)c2cc1 HQGGFQABVOREEO-UHFFFAOYSA-N 0.000 description 1
- PPXQRASBWHCRCQ-UHFFFAOYSA-N CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cccc3c2cccc3)c(cccc2)c2c1-c1c(cccc2)c2ccc1 Chemical compound CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2cccc3c2cccc3)c(cccc2)c2c1-c1c(cccc2)c2ccc1 PPXQRASBWHCRCQ-UHFFFAOYSA-N 0.000 description 1
- HVKHPGYYRXIFMP-UHFFFAOYSA-N CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2ccccc2)c(cccc2)c2c1-c1ccccc1 Chemical compound CC(C)(c(cc(cc1)-c2cc(-c3nc4ccccc4[n]3-c3ccccc3)ccc2)c1-c1c2)c1cc1c2c(-c2ccccc2)c(cccc2)c2c1-c1ccccc1 HVKHPGYYRXIFMP-UHFFFAOYSA-N 0.000 description 1
- OYTSFMIYAFRTDT-UHFFFAOYSA-N CC(C)(c(cc(cc1)-c2nc(cccc3)c3[o]2)c1-c1c2)c1cc1c2c(-c2ccccc2)c(cccc2)c2c1-c1ccccc1 Chemical compound CC(C)(c(cc(cc1)-c2nc(cccc3)c3[o]2)c1-c1c2)c1cc1c2c(-c2ccccc2)c(cccc2)c2c1-c1ccccc1 OYTSFMIYAFRTDT-UHFFFAOYSA-N 0.000 description 1
- SVQKXRGQRYJJBF-UHFFFAOYSA-N CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2ccc(-c3ccccn3)nc2)c(cccc2)c2c1-c(cc1)ccc1-c1nc(cccc2)c2[n]1-c1ccccc1 Chemical compound CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2ccc(-c3ccccn3)nc2)c(cccc2)c2c1-c(cc1)ccc1-c1nc(cccc2)c2[n]1-c1ccccc1 SVQKXRGQRYJJBF-UHFFFAOYSA-N 0.000 description 1
- HNSHYDVOAHPWSZ-UHFFFAOYSA-N CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2ccc(-c3ccccn3)nc2)c(cccc2)c2c1-c(cc1)cnc1C1=CC=CC[N-]1 Chemical compound CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2ccc(-c3ccccn3)nc2)c(cccc2)c2c1-c(cc1)cnc1C1=CC=CC[N-]1 HNSHYDVOAHPWSZ-UHFFFAOYSA-N 0.000 description 1
- RJVSGLSHKCSAFW-UHFFFAOYSA-N CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2nc(cccc3)c3[o]2)c(cccc2)c2c1-c1cc(-c2nc(cccc3)c3[n]2-c2ccccc2)ccc1 Chemical compound CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2nc(cccc3)c3[o]2)c(cccc2)c2c1-c1cc(-c2nc(cccc3)c3[n]2-c2ccccc2)ccc1 RJVSGLSHKCSAFW-UHFFFAOYSA-N 0.000 description 1
- RPMPBQCFZLWRFM-UHFFFAOYSA-N CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2nc(cccc3)c3[o]2)c(cccc2)c2c1-c1nc(cccc2)c2[o]1 Chemical compound CC(C)(c(cccc1)c1-c1c2)c1cc1c2c(-c2nc(cccc3)c3[o]2)c(cccc2)c2c1-c1nc(cccc2)c2[o]1 RPMPBQCFZLWRFM-UHFFFAOYSA-N 0.000 description 1
- BBVDLWHGWQLFAH-UHFFFAOYSA-N CC(C)(c1cc(-c2cccc(-c3nc(cccc4)c4[n]3-c3ccccc3)c2)ccc1-c1c2)c1cc1c2c(-c(cc2)c3c4c2-c2ccccc2-c4ccc3)c(cccc2)c2c1-c1ccc-2c3c1cccc3-c1ccccc-21 Chemical compound CC(C)(c1cc(-c2cccc(-c3nc(cccc4)c4[n]3-c3ccccc3)c2)ccc1-c1c2)c1cc1c2c(-c(cc2)c3c4c2-c2ccccc2-c4ccc3)c(cccc2)c2c1-c1ccc-2c3c1cccc3-c1ccccc-21 BBVDLWHGWQLFAH-UHFFFAOYSA-N 0.000 description 1
- CZKCCVGRCBEVHM-UHFFFAOYSA-N CC(C)(c1cc(-c2cccc(-c3nc(cccc4)c4[n]3-c3ccccc3)c2)ccc1-c1c2)c1cc1c2c(-c(cc2)ccc2-c2ccccc2)c(cccc2)c2c1-c(cc1)ccc1-c1ccccc1 Chemical compound CC(C)(c1cc(-c2cccc(-c3nc(cccc4)c4[n]3-c3ccccc3)c2)ccc1-c1c2)c1cc1c2c(-c(cc2)ccc2-c2ccccc2)c(cccc2)c2c1-c(cc1)ccc1-c1ccccc1 CZKCCVGRCBEVHM-UHFFFAOYSA-N 0.000 description 1
- DRRXLVPPYKQELW-UHFFFAOYSA-N CC1(C)c(cc(cc2)-c3c(cccc4)c4c(-c(cc4)cc5c4-c4ccccc4C5(C)C)c4c3cc(C(C)(C)c3cc(-c5cccc(-c6nc(cccc7)c7[n]6-c6ccccc6)c5)ccc3-3)c-3c4)c2-c2ccccc12 Chemical compound CC1(C)c(cc(cc2)-c3c(cccc4)c4c(-c(cc4)cc5c4-c4ccccc4C5(C)C)c4c3cc(C(C)(C)c3cc(-c5cccc(-c6nc(cccc7)c7[n]6-c6ccccc6)c5)ccc3-3)c-3c4)c2-c2ccccc12 DRRXLVPPYKQELW-UHFFFAOYSA-N 0.000 description 1
- AQWLDALHEMQPMV-UHFFFAOYSA-N CC1(C)c(cc2c(-c(cc3)ccc3-c3nc(cccc4)c4[n]3-c3ccccc3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 Chemical compound CC1(C)c(cc2c(-c(cc3)ccc3-c3nc(cccc4)c4[n]3-c3ccccc3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 AQWLDALHEMQPMV-UHFFFAOYSA-N 0.000 description 1
- SPXPPROQFVTTBT-UHFFFAOYSA-N CC1(C)c(cc2c(-c(cc3)ccc3-c3nc(cccc4)c4[s]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 Chemical compound CC1(C)c(cc2c(-c(cc3)ccc3-c3nc(cccc4)c4[s]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 SPXPPROQFVTTBT-UHFFFAOYSA-N 0.000 description 1
- PXUKZIVUYFUWQO-UHFFFAOYSA-N CC1(C)c(cc2c(-c(cc3)cnc3C3=CC=CC[N-]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 Chemical compound CC1(C)c(cc2c(-c(cc3)cnc3C3=CC=CC[N-]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 PXUKZIVUYFUWQO-UHFFFAOYSA-N 0.000 description 1
- SNHVNJMSKDZTFV-UHFFFAOYSA-N CC1(C)c(cc2c(-c3nc(cccc4)c4[s]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 Chemical compound CC1(C)c(cc2c(-c3nc(cccc4)c4[s]3)c(cccc3)c3c(-c3nc(cccc4)c4[o]3)c2c2)c2-c2c1cccc2 SNHVNJMSKDZTFV-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
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- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/22—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing two or more pyridine rings directly linked together, e.g. bipyridyl
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
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- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
- C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
- C07D263/56—Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D263/57—Aryl or substituted aryl radicals
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- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/64—Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
- C07D277/66—Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
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- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
Definitions
- the present invention relates to a novel anthracene derivative and an organic electroluminescent device using the same. More specifically, an anthracene moiety having excellent device characteristics and a moiety such as fluorene having excellent fluorescence properties are fused to each other while having a core fused to the core. Novel compounds substituted with a substituent having an electron transfer capability; And an organic material layer interposed between the anode and the cathode and containing the novel compound to improve characteristics of luminous efficiency, brightness, thermal stability, driving voltage, and lifespan.
- organic light emitting phenomenon refers to a phenomenon in which light appears when electric energy is applied to an organic material. That is, when the organic material layer is positioned between the anode and the cathode, a voltage is applied between the two electrodes, and holes are injected into the organic material and electrons are injected into the cathode. When the injected holes and electrons meet, excitons are formed, and when the excitons fall back to the ground, they shine.
- an organic electroluminescent device As one method for making an organic electroluminescent device efficiently, research has been conducted to manufacture an organic material layer in a multi-layer structure instead of a single layer.
- Tang presented an organic electroluminescent device having a laminated structure divided into a functional layer of a hole layer and a light emitting layer, and most organic electroluminescent devices currently used are hole injections that receive holes as a substrate, an anode, and an anode. It consists of a layer, a hole transport layer for transferring holes, a light emitting layer for recombining holes and electrons to emit light, an electron transport layer for transferring electrons, an electron injection layer for receiving electrons from a cathode, and a cathode.
- the reason why the organic electroluminescent device is manufactured in multiple layers is that the movement speed of the holes and the electrons is different. Therefore, if the appropriate hole injection layer, the transfer layer, the electron transfer layer, and the electron injection layer are made, the holes and the electrons can be effectively transferred. This is because light emission efficiency can be improved by balancing holes and electrons in the device.
- the earliest reports on the material of electron transport include oxadiazole derivatives (PBDs). It has since been reported that triazole derivatives (TAZ) and phenanthroline derivatives (BCP) exhibit electron transport properties.
- the electron transport layer is a good candidate for the organic monomolecular materials such as organometallic complexes having excellent electron stability and electron transfer speed, and Alq3 having high stability and electron affinity is the best candidate. Is being used.
- conventionally known materials for electron transport include flavon derivatives published by Sanyo, germanium, and silicon cyclopentadiene derivatives of Chiso. (Japanese Laid-Open Patent Publication No. 1998-017860, Japanese Laid-Open Patent Publication No. 1999-087067).
- TPBI published by Kodak in 1996 and described in US Pat. No. 5,645,948, is known as a representative material for electron transport layers with imidazole groups, and its structure has three N-phenyl benzs at the 1,3,5 substitution positions of benzene. It contains an imidazole group and functionally blocks electrons from the light emitting layer as well as the ability to transfer electrons, but has a problem of low thermal stability for practical application.
- the electron transport materials disclosed in Japanese Patent Application Laid-Open No. 11-345686 report that they contain oxazole groups and thiazole groups and can be applied to the light emitting layer, but have reached practical use in terms of driving voltage, luminance, and lifetime of the device. I can't.
- the present invention is to provide a novel compound that can be applied to the organic electroluminescent device.
- the present invention is to provide an organic electroluminescent device that includes a novel compound is low in driving voltage, the luminous efficiency, brightness, thermal stability and lifespan is improved.
- the present invention provides a compound represented by the following formula (1).
- R 1 to R 7 are the same or different, each independently represent hydrogen, deuterium, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 of the cycloalkyl group, C 3 ⁇ C 40 of the heterocycloalkyl group, C 6 ⁇ C 40 aryl group, C 1 ⁇ alkyloxy group of C 40, C 5 ⁇ aryloxy C 40, C 5 ⁇ C 40 aryl group , A C 5 ⁇ C 40 heteroaryl group, a substituent represented by the formula (2) or a substituent represented by the formula (3),
- R 1 , R 2 , R 3 and R 4 is a substituent represented by Formula 2 or a substituent represented by Formula 3;
- Y is NR 9 , S, or O;
- R 8 to R 10 are the same or different, each independently represent hydrogen, deuterium, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 of the cycloalkyl group, C 3 ⁇ C 40 of the heterocycloalkyl group, C 6 ⁇ C 40 aryl group, C 1 ⁇ alkyloxy group of C 40, C 5 ⁇ aryloxy C 40, C 5 ⁇ C 40 aryl group Or a heteroaryl group of C 5 to C 40 ;
- A is a single bond, an arylene group of C 5 to C 40 , or a hetero arylene group of C 5 to C 40 .
- the present invention is an anode; cathode; And one or more organic material layers interposed between the anode and the cathode, wherein at least one of the one or more organic material layers is an organic material layer including the compound represented by Formula 1 of the present invention.
- An organic electroluminescent device is provided.
- the organic material layer containing the compound represented by Formula 1 is preferably an electron transport layer.
- the compound represented by Chemical Formula 1 according to the present invention has excellent electron transport performance, when it is adopted as an electron transport layer material of an organic light emitting device, the compound exhibits superior performance in terms of voltage and efficiency than conventional Alq3. Therefore, the compound represented by Chemical Formula 1 according to the present invention can greatly contribute to improving performance and lifespan of the organic light emitting device, and in particular, the improvement of electron transport performance has a great effect on maximizing performance in a full color organic light emitting panel.
- the compound represented by Formula 1 of the present invention is a core in which an anthracene moiety having excellent device characteristics and a moiety such as fluorene having excellent fluorescence properties are fused to each other (for example, indenoanthracene ( indenoanthracene) and a substituent represented by the above formula (2) or (3) as a substituent having an electron transfer capability to the core (for example, benzimidazole group, benzothiazole group, benzoxazole group, pyridinyl group or BP) Heterocyclic groups, such as a ridinyl group), and is a kind of anthracene derivative.
- an anthracene moiety having excellent device characteristics and a moiety such as fluorene having excellent fluorescence properties are fused to each other
- an anthracene moiety having excellent device characteristics and a moiety such as fluorene having excellent fluorescence properties are fused to each other
- the compound represented by Chemical Formula 1 of the present invention may be used as a hole injection material, a hole transport material, a light emitting material, an electron transport material or an electron injection material in an organic light emitting device, preferably an electron transport material, or an electron injection material and It can be used as a transport material.
- R 1 , R 2 , R 3 and R 4 is a substituent represented by the formula (2) or a substituent represented by the formula (3).
- the heteroaryl group of C 5 to C 40 in R 1 to R 10 is not particularly limited, but non-limiting examples include pyridinyl, quinolinyl, isoquinolinyl, carbazolyl, N-carbazolephenyl and the like.
- an aryl group of C 5 ⁇ C 40 in R 1 to R 10 is not particularly limited, but may be selected from the group consisting of the following structural formula (4).
- Q 1 to Q 4 are the same as or different from each other, and each independently hydrogen, deuterium, a halogen, a nitrile group, a nitro group, C 1 ⁇ alkenyl group of the C 40 alkyl group, C 2 ⁇ C 40 of, C 2 ⁇ C 40 of the alkynyl group, C 1 ⁇ C 40 alkoxy group, C 1 ⁇ C 40 of the amino group, C of 3 ⁇ C 40 cycloalkyl group, C of 3 ⁇ C 40 heterocycloalkyl group, C 6 ⁇ C 40 aryl alkyl group, a heteroaryl group of C 5 ⁇ C 40 aryl group, or a C 5 ⁇ C 40.
- a cycloalkyl group, a C 3 to C 40 heterocycloalkyl group, a C 6 to C 40 aryl group and a C 5 to C 40 heteroaryl group are each independently deuterium, halogen, nitrile group, nitro group, C 1 to C 40 Alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 1 ⁇ C 40 alkoxy group, C 1 ⁇ C 40 amino group, C 3 ⁇ C 40 cycloalkyl group, C 3 ⁇ It may be substituted with a C 40 heterocycloalkyl group, a C 6 ⁇ C 40 arylalkyl group, a C 5 ⁇ C 40 aryl group, or
- arylene group of C 5 ⁇ C 40 may be an arylene group selected from the group consisting of the formula (4).
- non-limiting examples of the C 5 ⁇ C 40 heteroarylene group include pyridinyl, quinoline, isoquinoline and the like.
- Compound A to Compound E below are representative examples of the compound represented by Formula 1 of the present invention, but the compound represented by Formula 1 of the present invention is not limited to those illustrated below.
- Scheme 1 below is an example of a scheme for preparing compounds according to the present invention as illustrated above, but is not limited thereto, and reactions and reagents known in the art may be appropriately applied.
- R and R 2 are each independently deuterium, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 cycloalkyl group, C 3 ⁇ C 40 heterocycloalkyl group, C 6 ⁇ C 40 arylalkyl group, C 1 ⁇ C 40 alkyloxy group, C 5 ⁇ C 40 aryloxy group, C 5 ⁇ C 40 aryl group, C 5 It is a heteroaryl group of -C 40 , a substituent represented by the formula (2) or a substituent represented by the formula (3).
- the present invention is an anode; cathode; And one or more organic material layers interposed between the anode and the cathode, wherein at least one of the one or more organic material layers is an organic material layer including the compound represented by Formula 1 of the present invention.
- An organic light emitting device is provided.
- the compound represented by Chemical Formula 1 may include one or two or more kinds in the organic material layer.
- the organic material layer including the compound represented by Formula 1 of the present invention may be any one or more of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and an electron injection layer.
- the compound represented by Chemical Formula 1 may be included in the organic electroluminescent device as an electron transport material or an electron injection and transport material, in which case the organic electroluminescent device has a low driving voltage, luminous efficiency, luminance, Thermal stability and lifespan can be improved. Therefore, preferably, the organic material layer including the compound represented by Chemical Formula 1 is an electron transport layer.
- the organic electroluminescent device may include a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and / or an electron injection layer in addition to the organic material layer containing a compound represented by the formula (1) of the present invention.
- a substrate, an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode may be sequentially stacked, and the electron transport layer may be a chemical structure of the organic electroluminescent device according to the present invention. It includes the compound represented by 1.
- An electron injection layer may be positioned on the electron transport layer.
- the organic EL device according to the present invention may not only have a structure in which an anode, one or more organic material layers, and a cathode are sequentially stacked, but an insulating layer or an adhesive layer may be inserted at an interface between the electrode and the organic material layer.
- the organic material layer including the compound represented by Chemical Formula 1 may be formed by a vacuum deposition method or a solution coating method.
- the solution coating method include, but are not limited to, spin coating, dip coating, doctor blading, inkjet printing, or thermal transfer.
- the organic electroluminescent device of the present invention uses an organic material layer and an electrode using materials and methods known in the art, except that at least one layer of the organic material layer is formed to include the compound represented by Formula 1 of the present invention. By forming.
- a silicon wafer, quartz or glass plate, metal plate, plastic film or sheet may be used as the substrate.
- the anode material may be a metal such as vanadium, chromium, copper, zinc, gold or an alloy thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO: Al or SnO 2 : Sb; Conductive polymers such as polythiophene, poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT), polypyrrole and polyaniline; Or carbon black, but is not limited thereto.
- Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO: Al or SnO 2 : Sb
- Conductive polymers such as polythiophene, poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT),
- the negative electrode material may be a metal such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin or lead, or an alloy thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, but are not limited thereto.
- the hole injection layer, the hole transport layer and the light emitting layer is not particularly limited, conventional materials known in the art may be used.
- reaction solution was added to excess distilled water to form a solid, washed with distilled water, and then filtered through 2-bromo-13,13-dimethyl-6,11-diphenyl-13H-indeno [1,2 through Filter and column chromatography. -b] anthracene 2.9 g (74% yield) were obtained.
- reaction solution was added to an excess of distilled water to form a solid, washed with distilled water, and then filtered through 2-bromo-13,13-dimethyl-6,11-di (naphthalen-2-yl)-through a filter and column chromatography. 3.56 g (76% yield) of 13H-indeno [1,2-b] anthracene was obtained.
- Synthesis was carried out in the same manner as in Synthesis Example 6, except that 11.18 g (0.054 mol) of 1-Bromonaphthalene was added instead of 2-bromonaphthalene and 2-bromo-13,13-dimethyl-6,11-di (naphthalen-1-yl) 9.8 g of -11,13-dihydro-6H-indeno [1,2-b] anthracene-6,11-diol (yield 62%) was obtained.
- reaction solution was added to excess distilled water to form a solid, washed with distilled water, and then filtered through 9-bromo-13,13-dimethyl-6,11-diphenyl-13H-indeno [1,2 through Filter and column chromatography. -b] anthracene 2.9 g (74% yield) were obtained.
- reaction solution was added to an excess of distilled water to wash the produced solids, and then filtered through 9-bromo-13,13-dimethyl-6,11-di (naphthalen-2-yl) -13H through filter and column chromatography. 8 g (71% yield) of -indeno [1,2-b] anthracene was obtained.
- reaction solution was added to excess distilled water to wash the produced solid, and then filtered through 9-bromo-13,13-dimethyl-6,11-di (naphthalen-1-yl) -13H through filter and column chromatography. 6.5 g (57% yield) of -indeno [1,2-b] anthracene was obtained.
- Synthesis was carried out in the same manner as in Synthesis Example 35, except that 7.15 g (0.017 mol) of 13,13-dimethyl-11- (naphthalen-2-yl) -13H-indeno [1,2-b] anthracene was added. 6.3 g (74% yield) of bromo-13,13-dimethyl-11- (naphthalen-2-yl) -13H-indeno [1,2-b] anthracene was obtained.
- Synthesis Example 34 and 9 except for the addition of 9 g (0.0241 mol) of 11-bromo-13,13-dimethyl-13H-indeno [1,2-b] anthracene and 6.19 g (0.036 mol) of Naphthalen-1-ylboronic acid. Synthesis was carried out in the same manner to obtain 7.8 g (76% yield) of 13,13-dimethyl-11- (naphthalen-1-yl) -13H-indeno [1,2-b] anthracene.
- Synthesis was carried out in the same manner as in Synthesis Example 35, except that 7.15 g (0.017 mol) of 13,13-dimethyl-11- (naphthalen-1-yl) -13H-indeno [1,2-b] anthracene was added. 5.8 g (68% yield) of bromo-13,13-dimethyl-11- (naphthalen-1-yl) -13H-indeno [1,2-b] anthracene were obtained.
- Synthesis was carried out in the same manner as in Synthesis Example 2, except that 40 g (0.146 mol) of 4-bromo-9,9-dimethyl-9H-fluorene was used and 2- (5-bromo-9,9-dimethyl-9H- 51 g (yield 83%) of fluorene-2-carbonyl) benzoic acid was obtained.
- Synthesis was carried out in the same manner as in Synthesis Example 4, except that 10 g (0.024 mol) of 4-bromo-13,13-dimethyl-13H-indeno [1,2-b] anthracene-6,11-dione was used. Bromo-13,13-dimethyl-6,11-diphenyl-11,13-dihydro-6H-indeno [1,2-b] anthracene-6,11-diol 8 g (yield 60%) was obtained.
- the glass substrate coated with ITO Indium tin oxide having a thickness of 1500 ⁇ was washed with distilled water ultrasonic waves. After washing the distilled water, ultrasonic cleaning with a solvent such as isopropyl alcohol, acetone, methanol and the like was dried and transferred to a plasma cleaner, and then the substrate was cleaned for 5 minutes using an oxygen plasma, and then the substrate was transferred to a vacuum depositor.
- ITO Indium tin oxide
- Product name DS-HIL (Doosan Corp.) was vacuum-deposited to a thickness of 600 kPa on the prepared ITO transparent electrode to form a hole injection layer.
- NPB N , N- di (naphthalene-1-yl) -N , N- diphenylbenzidine
- ADN acting as a light emitting layer thereon.
- 9,10-di (naphthalen-2-yl) anthracene) was used as a host and DS-405 (Doosan Corp.) was used as a dopant to form a light emitting layer by depositing 300 ⁇ thick.
- Inv-10 (Example 152), Inv-11 (Example 153), Inv-12 (Example 154), Inv-13 (Example 155), Inv- as materials for injecting and transporting electrons on the light emitting layer. 19 (Example 156), Inv-20 (Example 157), Inv-21 (Example 158), Inv-22 (Example 159), Inv-62 (Example 160), Inv-63 (Example 161) Inv-80 (Example 162), Inv-81 (Example 163), Inv-82 (Example 164), Inv-83 (Example 165), Inv-89 (Example 166), Inv-90 (Example 167), Inv-91 (Example 168), Inv-92 (Example 169), Inv-152 (Example 170), Inv-153 (Example 171), Inv-154 (Example 172) Inv-155 (Example 173), Inv-171 (
- organic electroluminescent devices (Examples 151 to 187) using the compound according to the present invention exhibited superior performance in terms of voltage and efficiency than organic electroluminescent devices (Comparative Example 1) using Alq3. I could confirm it.
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Abstract
Description
Claims (4)
- 하기 화학식 1로 표시되는 화합물:[화학식 1]화학식 1에서, X는 CR6R7, NR6, O, S, S(=O), S(=O)2, 또는 SiR6R7이며;R1 내지 R7은 서로 같거나 다르고, 각각 독립적으로 수소, 중수소, C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, C3~C40의 헤테로시클로알킬기, C6~C40의 아릴알킬기, C1~C40의 알킬옥시기, C5~C40의 아릴옥시기, C5~C40의 아릴기, C5~C40의 헤테로아릴기, 하기 화학식 2로 표시되는 치환기 또는 화학식 3으로 표시되는 치환기이고,이때 R1, R2, R3 및 R4 중에서 하나 이상은 하기 화학식 2로 표시되는 치환기 또는 화학식 3으로 표시되는 치환기이며;[화학식 2][화학식 3]화학식 2 및 3에서, Y는 N-R9, S, 또는 O이며;R8 내지 R10은 서로 같거나 다르고, 각각 독립적으로 수소, 중수소, C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, C3~C40의 헤테로시클로알킬기, C6~C40의 아릴알킬기, C1~C40의 알킬옥시기, C5~C40의 아릴옥시기, C5~C40의 아릴기, 또는 C5~C40의 헤테로아릴기이며;A는 단일결합, C5~C40의 아릴렌기, 또는 C5~C40의 헤테로아릴렌기이다.
- 제1항에 있어서, 상기 R1 내지 R10의 C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, C3~C40의 헤테로시클로알킬기, C6~C40의 아릴알킬기, C1~C40의 알킬옥시기, C5~C40의 아릴옥시기, C5~C40의 아릴기, 또는 C5~C40의 헤테로아릴기는 각각 독립적으로 중수소, 할로겐, 니트릴기, 니트로기, C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C1~C40의 알콕시기, C1~C40의 아미노기, C3~C40의 시클로알킬기, C3~C40의 헤테로시클로알킬기, C6~C40의 아릴알킬기, C5~C40의 아릴기, 또는 C5~C40의 헤테로아릴기로 치환된 것이 특징인 화학식 1로 표시되는 화합물.
- 양극; 음극; 및 상기 양극과 음극 사이에 개재(介在)된 1층 이상의 유기물층을 포함하는 유기 전계 발광 소자로서,상기 1층 이상의 유기물층 중 적어도 하나는 제1항 또는 제2항에 따른 화학식 1로 표시되는 화합물을 포함하는 유기물층인 것이 특징인 유기 전계 발광 소자.
- 제3항에 있어서, 상기 화학식 1로 표시되는 화합물을 포함하는 유기물층은 전자 수송층인 것이 특징인 유기 전계 발광 소자.
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EP2524913A4 (en) * | 2010-01-15 | 2013-06-12 | Idemitsu Kosan Co | HETEROCYCLIC NITROGENIC CYCLIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME |
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WO2011145876A3 (ko) * | 2010-05-20 | 2012-04-19 | 주식회사 두산 | 신규 하이브리드 유기 화합물 및 이를 이용한 유기 전계 발광소자 |
KR101319734B1 (ko) | 2010-05-20 | 2013-10-17 | 주식회사 두산 | 신규 하이브리드 유기 화합물 및 이를 이용한 유기 전계 발광소자 |
DE102012022880A1 (de) | 2011-12-22 | 2013-06-27 | Merck Patent Gmbh | Elektronische Vorrichtungen enthaltend organische Schichten |
CN107312013A (zh) * | 2017-07-20 | 2017-11-03 | 赛洛普(武汉)科技有限公司 | 一种通式化合物及有机电致发光的应用 |
WO2020039708A1 (ja) | 2018-08-23 | 2020-02-27 | 国立大学法人九州大学 | 有機エレクトロルミネッセンス素子 |
KR20190001600A (ko) * | 2018-12-27 | 2019-01-04 | 삼성디스플레이 주식회사 | 유기 발광 소자 |
KR102040873B1 (ko) * | 2018-12-27 | 2019-11-06 | 삼성디스플레이 주식회사 | 유기 발광 소자 |
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