WO2020263029A1 - 유기 광전자 소자용 화합물, 유기 광전자 소자용 조성물, 유기 광전자 소자 및 표시 장치 - Google Patents
유기 광전자 소자용 화합물, 유기 광전자 소자용 조성물, 유기 광전자 소자 및 표시 장치 Download PDFInfo
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- 0 CCC=C(C=CC=C1)C1=*C Chemical compound CCC=C(C=CC=C1)C1=*C 0.000 description 2
- LQMFMBGYAQXRRX-UHFFFAOYSA-N CN(c(cccc1)c1N)N Chemical compound CN(c(cccc1)c1N)N LQMFMBGYAQXRRX-UHFFFAOYSA-N 0.000 description 1
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Definitions
- It relates to a compound for an organic optoelectronic device, a composition for an organic optoelectronic device, an organic optoelectronic device, and a display device.
- An organic optoelectronic diode is a device capable of converting electrical energy and optical energy to each other.
- Organic optoelectronic devices can be largely divided into two types according to the principle of operation.
- One is a photoelectric device that generates electrical energy by separating the excitons formed by light energy into electrons and holes, and the electrons and holes are transferred to different electrodes, and the other is electrical energy by supplying voltage or current to the electrode.
- It is a light emitting device that generates light energy from.
- Examples of the organic optoelectronic device include an organic photoelectric device, an organic light emitting device, an organic solar cell, and an organic photo conductor drum.
- organic light emitting diodes are attracting great attention in recent years due to the increasing demand for flat panel display devices.
- the organic light-emitting device is a device that converts electrical energy into light, and the performance of the organic light-emitting device is greatly influenced by an organic material positioned between electrodes.
- One embodiment provides a compound for an organic optoelectronic device capable of implementing a high efficiency and long life organic optoelectronic device.
- Another embodiment provides a composition for an organic optoelectronic device including the compound for an organic optoelectronic device.
- Another embodiment provides an organic optoelectronic device including the compound for an organic optoelectronic device or a composition for an organic optoelectronic device.
- Another embodiment provides a display device including the organic optoelectronic device.
- X is O or S
- Two adjacent ones of a 1 * to a 4 * are connecting carbons connected to b 1 * and b 2 *, respectively,
- b 1 * and b 2 * are each a connecting carbon
- R a and R 1 to R 8 are each independently hydrogen, deuterium, a cyano group, a halogen group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group or a combination thereof,
- At least one of R a and R 1 to R 8 is a group represented by the following formula A,
- Z 1 to Z 5 are each independently N or CR b ,
- R 1 to R 4 and R b are each independently present or adjacent groups are connected to form a substituted or unsubstituted aliphatic, aromatic or heteroaromatic monocyclic or polycyclic ring,
- a first compound for an organic optoelectronic device including the compound for an organic optoelectronic device described above, and Formula 3; Or it provides a composition for an organic optoelectronic device comprising a second compound for an organic optoelectronic device represented by the combination of the formula (4) and (5).
- Ar 1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
- Two adjacent ones of *d 1 to *d 4 of Formula B-2 are each a connecting carbon, and the other two unconnected are each independently CR d ,
- R d and R 9 and R 14 are each independently hydrogen, deuterium, cyano group, substituted or unsubstituted amine group, substituted or unsubstituted C1 to C30 alkyl group, substituted or unsubstituted C6 to C30 aryl group, substituted or It is an unsubstituted C2 to C30 heterocyclic group or a combination thereof,
- R e and R f are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
- Y 1 and Y 2 are each independently a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group,
- L g , L 1 and L 2 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group
- R g and R 15 to R 18 are each independently hydrogen, deuterium, cyano group, halogen group, substituted or unsubstituted amine group, substituted or unsubstituted C1 to C30 alkyl group, substituted or unsubstituted C6 to C30 aryl group , A substituted or unsubstituted C2 to C30 heterocyclic group.
- an anode and a cathode facing each other, and at least one organic layer disposed between the anode and the cathode, and the organic layer comprises the compound for an organic optoelectronic device or a composition for an organic optoelectronic device. It provides an organic optoelectronic device.
- 1 and 2 are cross-sectional views each illustrating an organic light emitting device according to an embodiment.
- C1 to C40 silyl group C1 to C30 alkyl group, C1 to C10 alkylsilyl group, C6 to C30 arylsilyl group, C3 to C30 cycloalkyl group, C3 to C30 heterocycloalkyl group, C6 to C30 aryl group, It means substituted with a C2 to C30 heteroaryl group, a C1 to C20 alkoxy group, a C1 to C10 trifluoroalkyl group, or a combination thereof.
- substituted means that at least one hydrogen of a substituent or compound is deuterium, a cyano group, a C1 to C30 alkyl group, a C1 to C10 alkylsilyl group, a C6 to C30 arylsilyl group, a C3 to C30 cycloalkyl group, It means substituted with a C3 to C30 heterocycloalkyl group, a C6 to C30 aryl group, or a C2 to C30 heteroaryl group.
- substitution means that at least one hydrogen in a substituent or compound is substituted with deuterium, cyano group, methyl group, ethyl group, propyl group, butyl group, phenyl group, biphenyl group, terphenyl group or naphthyl group Means that it has become.
- a substituted or unsubstituted C6 to C30 aryl group a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or Unsubstituted naphthacenyl group, substituted or unsubstituted pyrenyl group, substituted or unsubstituted biphenyl group, substituted or unsubstituted p-terphenyl group, substituted or unsubstituted m-terphenyl group, substituted or unsubstituted o- Terphenyl group, substituted or unsubstituted chrysenyl group, substituted or unsubstituted triphenylene group, substituted or unsubstituted perylenyl group, substituted or un
- a substituted or unsubstituted C2 to C30 heterocyclic group a substituted or unsubstituted furanyl group, a substituted or unsubstituted thiophenyl group, a substituted or unsubstituted pyrrolyl group, a substituted or unsubstituted pyrazolyl group, a substituted Or unsubstituted imidazolyl group, substituted or unsubstituted triazolyl group, substituted or unsubstituted oxazolyl group, substituted or unsubstituted thiazolyl group, substituted or unsubstituted oxadiazolyl group, substituted or unsubstituted Thiadiazolyl group, substituted or unsubstituted pyridyl group, substituted or unsubstituted pyrimidinyl group, substituted or unsubstituted pyrazinyl group, substituted or unsubstituted
- electronic characteristics refer to the characteristics of receiving electrons when an electric field is applied, and has conduction characteristics according to the LUMO level, so that electrons formed in the cathode are injected into the emission layer, electrons formed in the emission layer move to the cathode, and in the emission layer. It means a property that facilitates movement.
- the compound for an organic optoelectronic device may be represented by a combination of Formulas 1 and 2 below.
- X is O or S
- Two adjacent ones of a 1 * to a 4 * are connecting carbons connected to b 1 * and b 2 *, respectively,
- b 1 * and b 2 * are each a connecting carbon
- R a and R 1 to R 8 are each independently hydrogen, deuterium, a cyano group, a halogen group, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group or a combination thereof,
- At least one of R a and R 1 to R 8 is a group represented by the following formula A,
- Z 1 to Z 5 are each independently N or CR b ,
- At least one of Z 1 to Z 5 is N,
- R b is each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a combination thereof,
- substituted means that at least one hydrogen is substituted with a deuterium, a cyano group, a C1 to C10 alkyl group or a C6 to C20 aryl group.
- the compound for an organic optoelectronic device represented by the combination of Formula 1 and Formula 2 is represented by Formula A in benzodibenzofuran (or benzotibenzothiophene) in a form in which dibenzofuran (or dibenzothiophene) is further fused. It has a structure in which the substituted substituents are directly connected.
- the compound having an additional fused structure as described above is advantageous in expanding the HOMO phore and stabilizing the T1 energy level, and thus, the organic light emitting device to which the compound is applied may realize long life characteristics.
- the compound has a fast electron transfer property by directly substituting the substituent represented by Formula A (without a linking group) in the further fused benzodibenzofuran (or benzotibenzothiophene) structure, and thus the compound is applied
- the organic light emitting device is advantageous for realizing low driving characteristics.
- X and R 1 to R 8 are as described above, and R c , R d , and R a1 to R a4 are as defined above for R 1 to R 8 .
- the compound for an organic optoelectronic device may be represented by a combination of Formula 2 with any one of Formulas 1a to 1d, depending on the specific substitution position of the group represented by Formula A.
- any one of Formulas 1a to 1d and Formula 2 are combined to form the following Formulas 1a-2-1 to 1d-2-1, 1a-2-2 to 1d-2-2, and 1a- 2-3 to Formula 1d-2-3, Formula 1a-2-4, Formula 1b-2-4, Formula 1a-2-5, Formula 1b-2-5, Formula 1a-2-6, Formula 1b-2 -6, Formula 1a-2-7, Formula 1b-2-7, Formula 1a-2-8, and Formula 1b-2-8.
- any one of Formulas 1e to 1h and Formula 2 are combined to form the following Formula 1e-2-1, Formula 1f-2-1, Formula 1e-2-2, Formula 1h-2-2, Formula 1g- 2-3, Formula 1h-2-3, Formula 1e-2-5, Formula 1f-2-5, Formula 1e-2-6, Formula 1f-2-6, Formula 1e-2-8, and Formula 1f- It can be expressed in any of 2-8.
- the compound for an organic optoelectronic device is the formula 1e-2-1, formula 1f-2-1, formula 1e-2-1, formula 1e-2-2, formula 1g-2-3, and It may be selected from Formula 1h-2-3.
- R b is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted triphenylene group, a substituted or unsubstituted fluorenyl group, a substituted Or an unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzosilolyl group, a substituted or unsubstituted benzonaphthofuranyl group, or It may be a substituted or unsubstituted benzonaphthothiophenyl group.
- the substituent may be, for example, deuterium, a cyano group, a C1 to C5 alkyl group, a phenyl group, a biphenyl group, or a naphthyl group, but is not limited thereto.
- the group represented by Formula A may be selected from the substituents listed in Group I below.
- the compound for an organic optoelectronic device may be one selected from compounds listed in Group 1 below, but is not limited thereto.
- composition for an organic optoelectronic device may include a first compound for an organic optoelectronic device including the compound for an organic optoelectronic device described above, and the following Formula 3; Alternatively, it may include a second compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 4 and Chemical Formula 5.
- Ar 1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
- Ring B is represented by the following formula B-1 or formula B-2,
- Two adjacent ones of *d 1 to *d 4 of Formula B-2 are each a connecting carbon, and the other two unconnected are each independently CR d ,
- R d and R 9 and R 14 are each independently hydrogen, deuterium, cyano group, substituted or unsubstituted amine group, substituted or unsubstituted C1 to C30 alkyl group, substituted or unsubstituted C6 to C30 aryl group, substituted or It is an unsubstituted C2 to C30 heterocyclic group or a combination thereof,
- At least one of R d and R 9 and R 14 is a group represented by the following formula C,
- L d to L f are each independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group,
- R e and R f are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
- Y 1 and Y 2 are each independently a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group,
- L g , L 1 and L 2 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group
- R g and R 15 to R 18 are each independently hydrogen, deuterium, cyano group, halogen group, substituted or unsubstituted amine group, substituted or unsubstituted C1 to C30 alkyl group, substituted or unsubstituted C6 to C30 aryl group , A substituted or unsubstituted C2 to C30 heterocyclic group.
- the second compound for an organic optoelectronic device may be used in a light emitting layer together with the compound for an organic optoelectronic device to improve charge mobility and stability, thereby improving luminous efficiency and lifetime characteristics.
- the second compound for an organic optoelectronic device represented by Formula 3 may be represented by any one of Formula 3B-1, 3B-2A, 3B-2B, and 3B-2C below.
- the second compound for an organic optoelectronic device represented by the combination of Formulas 4 and 5 may be represented by any one of Formulas 4A to 4E below.
- L g1 to L g4 are the same as the definitions of L 1 and L 2 described above,
- R g1 to R g4 are as defined above for R 15 to R 18 .
- Y 1 and Y 2 in Formulas 4 and 5 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted carbazolyl group, A substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group,
- R g1 to R g4 and R 15 to R 18 are each independently hydrogen, deuterium, cyano group, substituted or unsubstituted phenyl group, substituted or unsubstituted biphenyl group, substituted or unsubstituted pyridinyl group, substituted or unsubstituted It may be a substituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
- Y 1 and Y 2 in Formulas 4 and 5 may each independently be selected from the substituents listed in Group II.
- * is a connection point with L 1 and L 2 , respectively.
- the R g1 to R g4 and R 15 to R 18 are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridine It may be a nil group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
- R g1 to R g4 and R 15 to R 18 may each independently be hydrogen, deuterium, a cyano group, or a substituted or unsubstituted phenyl group,
- R g1 to R g4 are each hydrogen, and R 15 to R 18 may each independently be hydrogen or a phenyl group.
- the second compound for an organic optoelectronic device may be represented by Formula 4C.
- Y 1 to Y 2 in Formula 3C are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted carbazolyl group, a substituted or Unsubstituted dibenzofuranyl group, or substituted or unsubstituted dibenzothiophenyl group, and L 1 , L 2 , L g1 and L g2 are each independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group And R g1 , R g2 and R 15 to R 18 are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted pyridiny
- the second compound for an organic optoelectronic device may be one selected from compounds listed in Group 2 below, but is not limited thereto.
- the first organic optoelectronic device compound and the second organic optoelectronic device compound may be included in a weight ratio of 1:99 to 99:1, for example.
- a weight ratio of 1:99 to 99:1 for example.
- it may be included in a weight ratio of about 10:90 to 90:10, about 20:80 to 80:20, for example about 20:80 to about 70:30, about 20:80 to about 60:40, And it may be included in a weight ratio of about 20:80 to about 50:50.
- weight ratio of 20:80 to 40:60 a specific example, may be included in a weight ratio of 30:70, 40:60, or 50:50, for example, may be included in a weight ratio of 30:70.
- At least one compound may be further included.
- the above-described compound for an organic optoelectronic device or a composition for an organic optoelectronic device may be a composition further including a dopant.
- the dopant may be, for example, a phosphorescent dopant, for example, a red, green or blue phosphorescent dopant, and may be, for example, a red or green phosphorescent dopant.
- a dopant is a material that emits light by being mixed in a small amount with a compound or composition for an organic optoelectronic device.
- a material such as a metal complex that emits light through multiple excitation excitation in a triplet state or higher is used.
- the dopant may be, for example, an inorganic, organic, or organic-inorganic compound, and may include one or two or more.
- the dopant may be a phosphorescent dopant, and examples of the phosphorescent dopant include Ir, Pt, Os, Ti, Zr, Hf, Eu, Tb, Tm, Fe, Co, Ni, Ru, Rh, Pd, or a combination thereof. And organometallic compounds to be included.
- the phosphorescent dopant may be, for example, a compound represented by Chemical Formula Z, but is not limited thereto.
- M is a metal
- L c and X c are the same as or different from each other, and are ligands forming a complex compound with M.
- the M may be, for example, Ir, Pt, Os, Ti, Zr, Hf, Eu, Tb, Tm, Fe, Co, Ni, Ru, Rh, Pd, or a combination thereof, and L c and X c are, for example, bi It may be a dentate ligand.
- the aforementioned compound for an organic optoelectronic device or a composition for an organic optoelectronic device may be formed by a dry film forming method such as chemical vapor deposition.
- the organic optoelectronic device is not particularly limited as long as it is a device capable of mutually converting electrical energy and light energy, and examples thereof include an organic photoelectric device, an organic light emitting device, an organic solar cell, and an organic photoreceptor drum.
- FIG. 1 and 2 are cross-sectional views illustrating an organic light-emitting device according to an embodiment.
- an organic light emitting diode 100 includes an anode 120 and a cathode 110 facing each other, and an organic layer 105 positioned between the anode 120 and the cathode 110. Include.
- the anode 120 may be made of a conductor having a high work function to facilitate hole injection, for example, and may be made of a metal, a metal oxide, and/or a conductive polymer.
- the anode 120 may be a metal such as nickel, platinum, vanadium, chromium, copper, zinc, or gold, or an alloy thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), and indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO and Al or SnO 2 and Sb; Poly(3-methylthiophene), poly(3,4-(ethylene-1,2-dioxy)thiophene) (polyehtylenedioxythiophene: PEDT), conductive polymers such as polypyrrole and polyaniline, but are limited thereto. It is not.
- the cathode 110 may be made of, for example, a conductor having a low work function to facilitate electron injection, and may be made of a metal, a metal oxide, and/or a conductive polymer.
- the negative electrode 110 may be a metal such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, lead, cesium, barium, or an alloy thereof;
- a multilayered material such as LiF/Al, LiO 2 /Al, LiF/Ca, LiF/Al, and BaF 2 /Ca may be mentioned, but is not limited thereto.
- the organic layer 105 may include the aforementioned compound for an organic optoelectronic device or a composition for an organic optoelectronic device.
- the organic layer 105 may include the emission layer 130, and the emission layer 130 may include the aforementioned compound for an organic optoelectronic device or a composition for an organic optoelectronic device.
- composition for an organic optoelectronic device further comprising a dopant may be, for example, a green light emitting composition.
- the emission layer 130 may include, for example, the first compound for an organic optoelectronic device and the compound for a second organic optoelectronic device, respectively, as phosphorescent hosts.
- the organic layer may further include an auxiliary layer in addition to the emission layer.
- the auxiliary layer may be, for example, a hole auxiliary layer 140.
- the organic light-emitting device 200 further includes a hole auxiliary layer 140 in addition to the emission layer 130.
- the hole auxiliary layer 140 may further increase hole injection and/or hole mobility between the anode 120 and the light emitting layer 130 and block electrons.
- the hole auxiliary layer 140 may include, for example, at least one of the compounds listed in Group D below.
- the hole auxiliary layer 140 may include a hole transport layer between the anode 120 and the light emitting layer 130, and a hole transport auxiliary layer between the light emitting layer 130 and the hole transport layer. At least one of the listed compounds may be included in the hole transport auxiliary layer.
- the organic layer 105 in FIG. 1 or 2 may be an organic light-emitting device further including an electron transport layer, an electron injection layer, and a hole injection layer.
- the organic light-emitting devices 100 and 200 After forming an anode or a cathode on a substrate, the organic light-emitting devices 100 and 200 form an organic layer by a dry film method such as evaporation, sputtering, plasma plating and ion plating, and then It can be manufactured by forming a cathode or an anode.
- a dry film method such as evaporation, sputtering, plasma plating and ion plating
- the organic light emitting device described above can be applied to an organic light emitting display device.
- a compound presented as a more specific example of the compound of the present invention was synthesized through the following steps.
- Compound B-34 was synthesized with reference to the contents disclosed in KR10-2018-0129656A.
- Compound C-1 was synthesized with reference to the contents disclosed in KR10-1970000 B1.
- the glass substrate coated with ITO (Indium tin oxide) to a thickness of 1500 ⁇ was washed with distilled water and ultrasonic waves. After washing with distilled water, ultrasonic cleaning was performed with a solvent such as isopropyl alcohol, acetone, methanol, etc., dried, transferred to a plasma cleaner, and then cleaned for 10 minutes using oxygen plasma, and then transferred to a vacuum evaporator.
- a solvent such as isopropyl alcohol, acetone, methanol, etc.
- the organic light-emitting device has a structure having a five-layer organic thin film layer, and is specifically as follows.
- a current-voltmeter (Keithley 2400) was used to measure the current value flowing through the unit device, and the measured current value was divided by the area to obtain a result.
- the luminance was measured at that time using a luminance meter (Minolta Cs-1000A) while increasing the voltage from 0V to 10V, and the result was obtained.
- the current efficiency (cd/A) of the same current density (10 mA/cm 2 ) was calculated using the luminance, current density, and voltage measured from (1) and (2).
- the result was obtained by measuring the driving voltage of each device at 15 mA/cm 2 using a current-voltmeter (Keithley 2400).
- T97 life ratio (%) ⁇ [T97(h) in Example]/ ⁇ [T97(h) in Comparative Example] ⁇ X 100
- Drive voltage ratio (%) ⁇ [Drive voltage (V) of the embodiment]/ ⁇ [Drive voltage (V) of the comparative example] ⁇ X 100
- the compound according to the exemplary embodiment of the present invention can be said to be a type in which the optimum point of a form having improved driving, efficiency, and life characteristics compared to the compound according to the comparative example was found.
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Abstract
Description
Claims (13)
- 하기 화학식 1 및 화학식 2의 조합으로 표시되는 유기 광전자 소자용 화합물:상기 화학식 1 및 화학식 2에서,X는 O 또는 S이고,a1* 내지 a4* 중 인접한 둘은 각각 b1* 및 b2*와 연결되는 연결 탄소이고,b1* 및 b2*는 각각 연결 탄소이며,a1* 내지 a4* 중 b1* 및 b2*와 연결되지 않은 나머지는 각각 독립적으로 C-Ra 이고,Ra 및 R1 내지 R8은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Ra 및 R1 내지 R8 중 적어도 하나는 하기 화학식 A로 표현되는 기이며,상기 화학식 A에서,Z1 내지 Z5는 각각 독립적으로 N 또는 C-Rb이고,Z1 내지 Z5 중 적어도 하나는 N이고,Rb는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이고,R1 내지 R4 및 Rb는 각각 독립적으로 존재하거나 인접한 기가 연결되어 치환 또는 비치환된 지방족, 방향족 또는 헤테로방향족의 단환식 또는 다환식 고리를 형성하며,상기 "치환"이란, 적어도 하나의 수소가 중수소, 시아노기, C1 내지 C10 알킬기 또는 C6 내지 C20 아릴기로 치환된 것을 의미한다.
- 제1항에서,상기 화학식 1은 하기 화학식 1-1 내지 화학식 1-9 중 어느 하나로 표현되는 유기 광전자 소자용 화합물:상기 화학식 1-1 내지 화학식 1-9에서,X는 O 또는 S이고,Rc, Rd, Ra1 내지 Ra4 및 R1 내지 R8은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Rc, Rd, Ra1 내지 Ra4 및 R1 내지 R8 중 적어도 하나는 하기 화학식 A로 표현되는 기이며,상기 화학식 A에서,Z1 내지 Z5는 각각 독립적으로 N 또는 C-Rb이고,Z1 내지 Z5 중 적어도 하나는 N이고,Rb는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이고,상기 "치환"이란, 적어도 하나의 수소가 중수소, 시아노기, C1 내지 C10 알킬기 또는 C6 내지 C20 아릴기로 치환된 것을 의미한다.
- 제1항에서,하기 화학식 1a 및 상기 화학식 2의 조합으로 표현되는 유기 광전자 소자용 화합물:상기 화학식 1a 및 화학식 2에서,X는 O 또는 S이고,a1* 내지 a4* 중 인접한 둘은 각각 b1* 및 b2*와 연결되는 연결 탄소이고,b1* 및 b2*는 각각 연결 탄소이며,a1* 내지 a4* 중 b1* 및 b2*와 연결되지 않은 나머지는 각각 독립적으로 C-Ra 이고,Ra 및 R1 내지 R3 및 R5 내지 R8은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Z1 내지 Z5는 각각 독립적으로 N 또는 C-Rb이고,Z1 내지 Z5 중 적어도 하나는 N이고,Rb는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이고,R1 내지 R3 및 Rb는 각각 독립적으로 존재하거나 인접한 기가 연결되어 치환 또는 비치환된 지방족, 방향족 또는 헤테로방향족의 단환식 또는 다환식 고리를 형성하며,상기 "치환"이란, 적어도 하나의 수소가 중수소, 시아노기, C1 내지 C10 알킬기 또는 C6 내지 C20 아릴기로 치환된 것을 의미한다.
- 제1항에서,상기 화학식 1e 및 하기 화학식 2의 조합으로 표시되는 유기 광전자 소자용 화합물:상기 화학식 1e 및 화학식 2에서,X는 O 또는 S이고,a1* 내지 a3* 중 인접한 둘은 각각 b1* 및 b2*와 연결되는 연결 탄소이고,b1* 및 b2*는 각각 연결 탄소이며,a1* 내지 a3* 중 b1* 및 b2*와 연결되지 않은 나머지는 각각 독립적으로 C-Ra 이고,Ra 및 R1 내지 R8은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Z1 내지 Z5는 각각 독립적으로 N 또는 C-Rb이고,Z1 내지 Z5 중 적어도 하나는 N이고,Rb는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이고,R1 내지 R4 및 Rb는 각각 독립적으로 존재하거나 인접한 기가 연결되어 치환 또는 비치환된 지방족, 방향족 또는 헤테로방향족의 단환식 또는 다환식 고리를 형성하며,상기 "치환"이란, 적어도 하나의 수소가 중수소, 시아노기, C1 내지 C10 알킬기 또는 C6 내지 C20 아릴기로 치환된 것을 의미한다.
- 제1항에서,하기 화학식 1a-2-1 또는 화학식 1e-2-1로 표현되는 유기 광전자 소자용 화합물:상기 화학식 1a-2-1 및 화학식 1e-2-1에서,X는 O 또는 S이고,Ra3, Ra4 및 R1 내지 R8은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Z1 내지 Z5는 각각 독립적으로 N 또는 C-Rb이고,Z1 내지 Z5 중 적어도 하나는 N이고,Rb는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 C1 내지 C20 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 이들의 조합이고,R1 내지 R4 및 Rb는 각각 독립적으로 존재하거나 인접한 기가 연결되어 치환 또는 비치환된 지방족, 방향족 또는 헤테로방향족의 단환식 또는 다환식 고리를 형성하며,상기 "치환"이란, 적어도 하나의 수소가 중수소, 시아노기, C1 내지 C10 알킬기 또는 C6 내지 C20 아릴기로 치환된 것을 의미한다.
- 제1항에서,상기 화학식 A로 표현되는 기는, 치환 또는 비치환된 피리딜기, 치환 또는 비치환된 피리미디닐기, 치환 또는 비치환된 트리아지닐기, 치환 또는 비치환된 퀴놀리닐기, 치환 또는 비치환된 이소퀴놀리닐기, 치환 또는 비치환된 퀴나졸리닐기, 치환 또는 비치환된 벤조퀴나졸리닐기, 치환 또는 비치환된 벤조퓨란피리미디닐기 또는 치환 또는 비치환된 벤조티오펜피리미디닐기인, 유기 광전자 소자용 화합물.
- 상기 제1항에 따른 유기 광전자 소자용 화합물을 포함하는 제1 유기 광전자 소자용 화합물, 및하기 화학식 3; 또는 하기 화학식 4 및 화학식 5의 조합으로 표시되는 제2 유기 광전자 소자용 화합물을 포함하는 유기 광전자 소자용 조성물:상기 화학식 3에서,Ar1은 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,고리 B는 하기 화학식 B-1 또는 화학식 B-2로 표시되고,상기 화학식 B-1의 *C1 및 *C2는 연결 탄소이고,상기 화학식 B-2의 *d1 내지 *d4 중 인접한 둘은 각각 연결 탄소이고, 연결되지 않은 나머지 둘은 각각 독립적으로 C-Rd이고,Rd 및 R9 및 R14는 각각 독립적으로 수소, 중수소, 시아노기, 치환 또는 비치환된 아민기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,Rd 및 R9 및 R14 중 적어도 하나는 하기 화학식 C로 표현되는 기이고,상기 화학식 C에서,Ld 내지 Lf는 각각 독립적으로 단일결합, 또는 치환 또는 비치환된 C6 내지 C20 아릴렌기이고,Re 및 Rf는 각각 독립적으로 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기 또는 이들의 조합이고,*은 연결 지점이고;상기 화학식 4 및 화학식 5에서,Y1 및 Y2는 각각 독립적으로 치환 또는 비치환된 C6 내지 C20 아릴기, 또는 치환 또는 비치환된 C2 내지 C30 헤테로고리기이고,화학식 4의 인접한 2개의 *은 화학식 5와 연결되고,화학식 5와 연결되지 않은 화학식 4의 *은 각각 독립적으로 C-Lg-Rg이고,Lg, L1 및 L2는 각각 독립적으로 단일결합, 또는 치환 또는 비치환된 C6 내지 C20 아릴렌기이고,Rg 및 R15 내지 R18은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐기, 치환 또는 비치환된 아민기, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기, 치환 또는 비치환된 C2 내지 C30 헤테로고리기이다.
- 제9항에 있어서,상기 제2 유기 광전자 소자용 화합물은 하기 화학식 4C로 표현되는 유기 광전자 소자용 조성물:상기 화학식 4C에서,Y1 및 Y2는 각각 독립적으로 치환 또는 비치환된 페닐기, 치환 또는 비치환된 바이페닐기, 치환 또는 비치환된 피리디닐기, 치환 또는 비치환된 카바졸일기, 치환 또는 비치환된 디벤조퓨란일기, 또는 치환 또는 비치환된 디벤조티오펜일기이고,L1, L2, Lg1 및 Lg2는 각각 독립적으로 단일결합, 또는 치환 또는 비치환된 C6 내지 C20 아릴렌기이고,Rg1, Rg2 및 R15 내지 R18은 각각 독립적으로 수소, 중수소, 시아노기, 치환 또는 비치환된 페닐기, 치환 또는 비치환된 바이페닐기, 치환 또는 비치환된 피리디닐기, 치환 또는 비치환된 카바졸일기, 치환 또는 비치환된 디벤조퓨란일기, 또는 치환 또는 비치환된 디벤조티오펜일기이다.
- 서로 마주하는 양극과 음극,상기 양극과 상기 음극 사이에 위치하는 적어도 1층의 유기층을 포함하고,상기 유기층은 제1항 내지 제8항 중 어느 한 항에 따른 유기 광전자 소자용 화합물; 또는제9항 또는 제10항에 따른 유기 광전자 소자용 조성물을 포함하는 유기 광전자 소자.
- 제11항에 있어서,상기 유기층은 발광층을 포함하고,상기 발광층은 상기 유기 광전자 소자용 화합물 또는 상기 유기 광전자 소자용 조성물을 포함하는 유기 광전자 소자.
- 제11항에 따른 유기 광전자 소자를 포함하는 표시 장치.
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| EP20833191.8A EP3992190A4 (en) | 2019-06-28 | 2020-06-26 | COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE AND INDICATOR |
| CN202080047019.5A CN114401959A (zh) | 2019-06-28 | 2020-06-26 | 用于有机光电二极管的化合物、用于有机光电二极管的组成物、有机光电二极管及显示装置 |
| US17/622,415 US12575323B2 (en) | 2019-06-28 | 2020-06-26 | Compound for organic optoelectronic diode, composition for organic optoelectronic diode, organic optoelectronic diode, and display device |
| JP2021576515A JP7303336B2 (ja) | 2019-06-28 | 2020-06-26 | 有機光電子素子用化合物、有機光電子素子用組成物、有機光電子素子および表示装置 |
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| CN113528122A (zh) * | 2021-09-15 | 2021-10-22 | 浙江华显光电科技有限公司 | 一种二元组合物、制剂、有机发光器件及显示或照明装置 |
| JP2022022206A (ja) * | 2020-07-24 | 2022-02-03 | ローム・アンド・ハース・エレクトロニック・マテリアルズ・コリア・リミテッド | 有機エレクトロルミネセント化合物、複数のホスト材料、及びこれらを含む有機エレクトロルミネセントデバイス |
| CN117177984A (zh) * | 2021-04-28 | 2023-12-05 | 三星Sdi株式会社 | 用于有机光电子装置的化合物、用于有机光电子装置的组合物、有机光电子装置和显示装置 |
| JP2025523014A (ja) * | 2022-07-13 | 2025-07-17 | ソリュース先端素材株式会社 | 有機化合物及びこれを用いた有機エレクトロルミネッセンス素子 |
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| CN120641405A (zh) * | 2023-02-06 | 2025-09-12 | 出光兴产株式会社 | 化合物和使用其的有机电致发光元件 |
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| JP2022022206A (ja) * | 2020-07-24 | 2022-02-03 | ローム・アンド・ハース・エレクトロニック・マテリアルズ・コリア・リミテッド | 有機エレクトロルミネセント化合物、複数のホスト材料、及びこれらを含む有機エレクトロルミネセントデバイス |
| CN117177984A (zh) * | 2021-04-28 | 2023-12-05 | 三星Sdi株式会社 | 用于有机光电子装置的化合物、用于有机光电子装置的组合物、有机光电子装置和显示装置 |
| CN113528122A (zh) * | 2021-09-15 | 2021-10-22 | 浙江华显光电科技有限公司 | 一种二元组合物、制剂、有机发光器件及显示或照明装置 |
| CN113528122B (zh) * | 2021-09-15 | 2022-03-11 | 浙江华显光电科技有限公司 | 一种二元组合物、制剂、有机发光器件及显示或照明装置 |
| JP2025523014A (ja) * | 2022-07-13 | 2025-07-17 | ソリュース先端素材株式会社 | 有機化合物及びこれを用いた有機エレクトロルミネッセンス素子 |
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| Publication number | Publication date |
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| EP3992190A4 (en) | 2023-07-19 |
| JP7303336B2 (ja) | 2023-07-04 |
| EP3992190A1 (en) | 2022-05-04 |
| US12575323B2 (en) | 2026-03-10 |
| US20220384738A1 (en) | 2022-12-01 |
| CN114401959A (zh) | 2022-04-26 |
| JP2022539023A (ja) | 2022-09-07 |
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