WO2011111996A2 - 두개의 3차 아민이 치환된 인돌 유도체를 포함하는 화합물 및 이를 이용한 유기전기소자, 그 단말 - Google Patents
두개의 3차 아민이 치환된 인돌 유도체를 포함하는 화합물 및 이를 이용한 유기전기소자, 그 단말 Download PDFInfo
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- WO2011111996A2 WO2011111996A2 PCT/KR2011/001619 KR2011001619W WO2011111996A2 WO 2011111996 A2 WO2011111996 A2 WO 2011111996A2 KR 2011001619 W KR2011001619 W KR 2011001619W WO 2011111996 A2 WO2011111996 A2 WO 2011111996A2
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- KOMZWXDAWMBUDL-UHFFFAOYSA-N c(c(cc1)c2cc1-c1cc(N(c3ccccc3)c3cc4ccccc4cc3)cc(N(c3ccccc3)c3cc4ccccc4cc3)c1)c[n]2-c1ccccc1 Chemical compound c(c(cc1)c2cc1-c1cc(N(c3ccccc3)c3cc4ccccc4cc3)cc(N(c3ccccc3)c3cc4ccccc4cc3)c1)c[n]2-c1ccccc1 KOMZWXDAWMBUDL-UHFFFAOYSA-N 0.000 description 1
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- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
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Definitions
- the present invention relates to a compound comprising an indole derivative substituted with two tertiary amines, an organic electric device using the same, and a terminal thereof.
- organic light emitting phenomenon refers to a phenomenon of converting electrical energy into light energy using an organic material.
- An organic electric element using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer therebetween.
- the organic material layer is often formed of a multi-layered structure composed of different materials in order to increase the efficiency and stability of the organic electric device, for example, it may be made of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and an electron injection layer.
- Materials used as the organic material layer in the organic electric element may be classified into light emitting materials and charge transport materials, such as hole injection materials, hole transport materials, electron transport materials, electron injection materials, and the like, depending on their functions.
- the light emitting material may be classified into a polymer type and a low molecular type according to molecular weight, and may be classified into a fluorescent material derived from a singlet excited state of electrons and a phosphorescent material derived from a triplet excited state of electrons according to a light emitting mechanism. Can be.
- the light emitting material may be classified into blue, green, and red light emitting materials and yellow and orange light emitting materials required to achieve a better natural color according to the light emitting color.
- a host / dopant system may be used. The principle is that when a small amount of a dopant having an energy band gap smaller than that of a host forming the light emitting layer is mixed in the light emitting layer, excitons generated in the light emitting layer are transported to the dopant, thereby producing high efficiency light. At this time, since the wavelength of the host is shifted to the wavelength of the dopant, light having a desired wavelength can be obtained according to the type of dopant to be used.
- a material forming the organic material layer in the device such as a hole injection material, a hole transport material, a light emitting material, an electron transport material, an electron injection material, etc., is supported by a stable and efficient material.
- a stable and efficient organic material layer for an organic electric element has not yet been made sufficiently, and therefore, the development of new materials is continuously required.
- An embodiment of the present invention for solving the problems of the above-described background has revealed a compound comprising an indole derivative substituted with two tertiary amines, and also the luminous efficiency of the device when applying this compound to an organic electric device It has been found that the stability and lifespan can be greatly improved.
- an object of the present invention is to provide a compound including an indole derivative substituted with two tertiary amines, an organic electric device using the same, and a terminal thereof.
- the present invention provides a compound of the formula:
- the present invention is a compound containing an indole derivative substituted with two tertiary amines can be used as a hole injection, hole transport, electron injection, electron transport, light emitting material and / or passivation (kepping) material, in particular light emitting material alone It can be used as a host, a dopant, a hole injection layer and a hole transport layer.
- the present invention also provides an organic electronic device using the compound having the above formula, and an electronic device or a terminal including the organic electronic device.
- the present invention is a compound including an indole derivative in which two tertiary amines are substituted, and may play various roles in an organic electric device and a terminal, and when applied to an organic electric device and a terminal, lowers the driving voltage of the device, and improves light efficiency and lifetime.
- the stability of the device can be improved.
- 1 to 6 show examples of the organic light emitting display device to which the compound of the present invention can be applied.
- the present invention provides a compound represented by the following formula (1).
- R1 to R3 are the same as or different from each other, and each independently hydrogen, a halogen group, a C 1 to C 60 alkyl group, a C 1 to C 60 alkoxy group, a C 1 to C 60 alkylamine group, C 1 C 60 -C arylamine group, C 1 -C 60 Alkyl thiophene group, C 6 -C 60 Aryl thiophene group, C 2 -C 60 alkenyl group, C 2 -C 60 alkynyl group, C 3 A C 6 -C 60 cycloalkyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryl group substituted with deuterium, a C 8 -C 60 arylalkenyl group, a substituted or unsubstituted silane group, a substituted or unsubstituted group A C 6 -C 60 aryl group unsubstituted or substituted with one or more groups selected from the
- the indole derivative may have two or more diarylamine groups.
- n 1 or more and 3 or less.
- X is the same as R1 to R3, and adjacent positions may be bonded to each other to form a saturated or unsaturated ring.
- X may combine with at least one of neighboring R1 to R3 to form a saturated or unsaturated ring.
- M of X is a number of 3 or more.
- Ar1 to Ar5 may be the same as or different from each other, and each independently, a substituted or unsubstituted C 1 to C 60 aryl or heteroaryl group, Ar2 to Ar5 may be a substituted or unsubstituted alkyl group.
- the L may represent a group selected from a substituted or unsubstituted arylene group, a substituted or unsubstituted hetero arylene group, a divalent or trivalent substituted or unsubstituted aliphatic hydrocarbon, and a divalent linking group.
- the organic material layer of the organic electric device which will be described later, may be formed by the soluble process using the compound.
- the organic material layer of the organic electronic device is made by using a variety of polymer materials, and less by a solvent process (e.g., spin coating, dip coating, doctor blading, screen printing, inkjet printing or thermal transfer method) rather than deposition. It can be prepared in a number of layers.
- Substituents of R1 to R3, X, and Ar1 to Ar5 in the above Chemical Formulas 1 to 3 may be substituted or unsubstituted.
- hydrogen, a halogen group, an alkyl group of C 1 to C 60 may be independently of each other, and C 1 to C.
- the compounds belonging to Formulas 1 to 3 which are compounds including indole derivatives according to one embodiment of the present invention, include the compounds of Formula 4 below, but the present invention is not limited thereto.
- the compounds represented by Chemical Formulas 1 to 3 are substituted or unsubstituted substituents of the substituents of R1 to R3, X, Ar1 to Ar5, and thus, it is practically difficult to exemplify all compounds in a broad relationship, and thus, representative compounds will be described by way of example.
- compounds represented by Chemical Formulas 1 to 3 not described in Chemical Formula 4 may also form part of the present specification.
- organic electric devices exist in which compounds including indole derivatives described with reference to Chemical Formulas 1 to 4 are used as organic material layers.
- organic electroluminescent device in which the compounds including the indole derivatives described with reference to Chemical Formulas 1 to 4 may be used include, for example, an organic light emitting diode (OLED), an organic solar cell, an organic photoconductor (OPC) drum, and an organic transistor (organic). TFT).
- OLED organic light emitting diode
- OPC organic photoconductor
- organic transistor organic transistor
- the present invention is not limited thereto, and the present invention is not limited thereto.
- Compounds can be applied.
- Another embodiment of the present invention is an organic electric device comprising a first electrode, a second electrode and an organic material layer disposed between these electrodes, at least one of the organic material layer of the organic electric field comprising the compounds of the formula (1) Provided is a light emitting device.
- 1 to 6 show examples of the organic light emitting display device to which the compound of the present invention can be applied.
- At least one layer of an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and an electron injection layer is formed to include the compounds of Formulas 1 to 4 above. Except for the above, it may be manufactured in a structure known in the art using conventional manufacturing methods and materials in the art.
- FIGS. 1 to 6 The structure of the organic light emitting display device according to another embodiment of the present invention is illustrated in FIGS. 1 to 6, but is not limited thereto.
- reference numeral 101 denotes a substrate, 102 an anode, 103 a hole injection layer (HIL), 104 a hole transport layer (HTL), 105 a light emitting layer (EML), 106 an electron injection layer (EIL), 107 an electron transport layer ( ETL), 108 represents a negative electrode.
- the organic light emitting diode further includes a hole blocking layer (HBL) that blocks hole movement, an electron blocking layer (EBL) that blocks electrons from moving, a light emitting auxiliary layer that helps or assists light emission, and a protective layer. It may be located.
- the protective layer may be formed to protect the organic material layer or the cathode at the uppermost layer.
- the compound including the indole derivative described with reference to Formulas 1 to 4 may be included in one or more of an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer.
- the compound including the indole derivative described with reference to Formulas 1 to 4 is one of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, a hole blocking layer, an electron blocking layer, a light emitting auxiliary layer and a protective layer It may be used instead of the above or may be used by forming a layer with them.
- the organic layer may be used not only in one layer but also in two or more layers.
- it may be used as a hole injection material, a hole transport material, an electron injection material, an electron transport material, a light emitting material and a passivation (kepping) material according to the compound containing the indole derivative described with reference to Formulas 1 to 4, in particular alone It can be used as a luminescent material and host or dopant.
- the organic light emitting device is a metal having a metal or conductivity on a substrate by using a physical vapor deposition (PVD) method such as sputtering or e-beam evaporation
- PVD physical vapor deposition
- An oxide or an alloy thereof is deposited to form an anode, an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer is formed thereon, and then a material that can be used as a cathode is deposited thereon.
- PVD physical vapor deposition
- an organic electronic device may be fabricated by sequentially depositing a cathode material, an organic material layer, and an anode material on a substrate.
- the organic material layer may have a multilayer structure including a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and an electron injection layer, but is not limited thereto and may have a single layer structure.
- the organic material layer may be formed by using a variety of polymer materials, and by using a process such as spin coating, dip coating, doctor blading, screen printing, inkjet printing, or thermal transfer, rather than a deposition method. It can be prepared in layers.
- the organic electroluminescent device according to another embodiment of the present invention may be used in a solution process such as spin coating or ink jet process using a compound including the indole derivative described above.
- the substrate is a support of the organic light emitting device, and a silicon wafer, quartz or glass plate, metal plate, plastic film or sheet, or the like can be used.
- An anode is positioned over the substrate. This anode injects holes into the hole injection layer located thereon.
- the anode material a material having a large work function is usually preferred to facilitate hole injection into the organic material layer.
- the positive electrode material that can be used in the present invention include metals such as vanadium, chromium, copper, zinc and gold or alloys 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 poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT), polypyrrole and polyaniline, and the like, but are not limited thereto.
- the hole injection layer is located on the anode.
- the conditions required for the material of the hole injection layer are high hole injection efficiency from the anode, it should be able to transport the injected holes efficiently. This requires a small ionization potential, high transparency to visible light, and excellent hole stability.
- the hole injection material is a material capable of well injecting holes from the anode at low voltage, and the highest occupied molecular orbital (HOMO) of the hole injection material is preferably between the work function of the positive electrode material and the HOMO of the surrounding organic material layer.
- hole injection materials include metal porphyrine, oligothiophene, arylamine-based organics, hexanitrile hexaazatriphenylene, quinacridone-based organics, perylene-based organics, Anthraquinone, polyaniline and polythiophene-based conductive polymers, but are not limited thereto.
- the hole transport layer is positioned on the hole injection layer.
- the hole transport layer receives holes from the hole injection layer and transports the holes to the organic light emitting layer located thereon, and serves to prevent high hole mobility, hole stability, and electrons.
- applications for vehicle body display require heat resistance to the device, and materials having a glass transition temperature (Tg) of 70 or higher are preferred.
- Materials satisfying these conditions include NPD (or NPB), spiro-arylamine compounds, perylene-arylamine compounds, azacycloheptatriene compounds, bis (diphenylvinylphenyl) anthracene, silicon germanium oxide Compound, a silicon-based arylamine compound, and the like.
- the organic light emitting layer is positioned on the hole transport layer.
- the organic light emitting layer is a layer for emitting light by recombination of holes and electrons injected from the anode and the cathode, respectively, and is made of a material having high quantum efficiency.
- the light emitting material is a material capable of emitting light in the visible region by transporting and combining holes and electrons from the hole transport layer and the electron transport layer, respectively, and a material having good quantum efficiency with respect to fluorescence or phosphorescence is preferable.
- Substances or compounds that satisfy these conditions include Alq3 for green, Balq (8-hydroxyquinoline beryllium salt) for blue, DPVBi (4,4'-bis (2,2-diphenylethenyl) -1,1'- biphenyl) series, Spiro material, Spiro-DPVBi (Spiro-4,4'-bis (2,2-diphenylethenyl) -1,1'-biphenyl), LiPBO (2- (2-benzoxazoyl) -phenol lithium salt), bis (diphenylvinylphenylvinyl) benzene, aluminum-quinoline metal complex, metal complexes of imidazole, thiazole and oxazole, and the like, perylene, and BczVBi (3,3 ') to increase blue light emission efficiency.
- an organic light emitting layer is formed of a polymer of polyphenylene vinylene (PPV) or a polymer such as poly fluorene.
- PPV polyphenylene vinylene
- a polymer such as poly fluorene can be used for
- the electron transport layer is positioned on the organic light emitting layer.
- the electron transport layer needs a material having high electron injection efficiency from the cathode positioned thereon and capable of efficiently transporting the injected electrons. To this end, it must be made of a material having high electron affinity and electron transfer speed and excellent stability to electrons. Examples of the electron transport material that satisfies such conditions include Al complexes of 8-hydroxyquinoline; Complexes including Alq 3 ; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto.
- the electron injection layer is stacked on the electron transport layer.
- the electron injection layer is a metal complex compound such as Balq, Alq3, Be (bq) 2, Zn (BTZ) 2, Zn (phq) 2, PBD, spiro-PBD, TPBI, Tf-6P, aromatic compound with imidazole ring, It can be produced using a low molecular weight material containing boron compounds and the like.
- the electron injection layer may be formed in a thickness range of 100 ⁇ 300.
- the cathode is positioned on the electron injection layer. This cathode serves to inject electrons.
- the material used as the cathode it is possible to use the material used for the anode, and a metal having a low work function is more preferable for efficient electron injection.
- a suitable metal such as tin, magnesium, indium, calcium, sodium, lithium, aluminum, silver, or a suitable alloy thereof can be used.
- an electrode having a two-layer structure such as lithium fluoride and aluminum, lithium oxide and aluminum, strontium oxide and aluminum having a thickness of 100 or less can also be used.
- the organic light emitting device may be a top emission type, a bottom emission type or a double-sided emission type according to the material used.
- the present invention includes a display device including the organic electric element described above, and a terminal including a control unit for driving the display device.
- This terminal means a current or future wired or wireless communication terminal.
- the terminal according to the present invention described above may be a mobile communication terminal such as a mobile phone, and includes all terminals such as a PDA, an electronic dictionary, a PMP, a remote control, a navigation device, a game machine, various TVs, various computers, and the like.
- the compounds represented by Formulas 1 to 3 are substituted or unsubstituted substituents of the substituents of R1 to R3, X, Ar1 to Ar5 exemplarily described a synthesis example of some of the compounds represented by the formula (4)
- the material developed as a major transport compound was vacuum deposited to a thickness of 30 nm to form a hole transport layer.
- a light emitting layer doped with 7% of BD-052X (Idemitus) having a thickness of 45 nm on the hole transport layer (where BD-052X was a blue fluorescent dopant) 9,10-di (naphthalene-2-anthracene (AND)) was used as the light emitting host material.
- BAlq (1,1'-bisphenyl) -4-oleito) bis (2-methyl-8-quinolineoleito) aluminum
- BAlq (2-methyl-8-quinolineoleito) aluminum
- BAlq 3 Tris (8-quinolinol) aluminum
- LiF an alkali metal halide
- Al was deposited to a thickness of 150 nm to use an Al / LiF as a cathode to prepare an organic light emitting device.
- an organic electric field having the same structure as in the experimental example was prepared by using a compound represented by the following Formula 5 (hereinafter abbreviated as NPD) as a hole transport material instead of the compound of the present invention for comparison.
- NPD a compound represented by the following Formula 5
- the organic electroluminescent device using the organic electroluminescent device material of the present invention is not only improves the color purity and high efficiency but also obtains blue light having a long life, and thus is used as a hole transporting material of the organic light emitting device. Can be used to significantly improve the low driving voltage, high luminous efficiency and lifetime.
- the compounds of the present invention can achieve the same effect even when used in other organic material layers of the organic light emitting device, for example, a hole transport layer as well as a light emitting layer, a light emitting auxiliary layer, an electron injection layer, an electron transport layer, and a hole injection layer.
- a hole transport layer as well as a light emitting layer, a light emitting auxiliary layer, an electron injection layer, an electron transport layer, and a hole injection layer.
- the compounds represented by Formulas 1 to 4 are R1 to R3, X, and the substituted or unsubstituted substituents of Ar1 to Ar5 exemplarily described a comparative example of some of the compounds represented by Formula 4 in comparison.
- Compounds represented by Chemical Formulas 1 to 3, which are not illustrated by way of example, may also be confirmed to have the same effects as the Comparative Examples described above, for the reason of having the above-described mother cell structures of Chemical Formulas 1 to 3, and the results thereof are It can form part of the specification.
Abstract
Description
정공 수송재료 | 전압( V ) | 전류밀도( mA/cm2 ) | 발광효율( cd/A ) | 색도좌표( x, y ) | |
실시예 1 | 화합물 A-1 | 6.3 | 12.44 | 9.7 | ( 0.15, 0.13 ) |
실시예 2 | 화합물 A-7 | 6.2 | 12.35 | 9.3 | ( 0.15, 0.15 ) |
실시예 3 | 화합물 B-7 | 5.7 | 12.77 | 10.0 | ( 0.15, 0.12 ) |
실시예 4 | 화합물 B-9 | 5.6 | 12.69 | 9.9 | ( 0.15, 0.14 ) |
비교예 1 | NPB | 7.2 | 13.35 | 7.5 | ( 0.15, 0.15 ) |
Claims (12)
- 하기 화학식으로 표시되는 화합물.(1) R1 내지 R3, X는 서로 같거나 상이하고, 각각 독립적으로 수소, 할로겐기, C1 ~ C60의 알킬기, C1 ~ C60의 알콕시기, C1 ~ C60의 알킬아민기, C1 ~ C60의 아릴아민기, C1~ C60의 알킬 티오펜기, C6 ~ C60의 아릴 티오펜기, C2 ~ C60의 알케닐기, C2 ~ C60의 알키닐기, C3 ~ C60의 시클로알킬기, C6 ~ C60의 아릴기, 중수소로 치환된 C6 ~ C60의 아릴기, C8 ~ C60의 아릴알케닐기, 치환 또는 비치환된 실란기, 치환 또는 비치환된 붕소기, 치환 또는 비치환된 게르마늄기, 및 치환 또는 비치환된 C5 ~ C60의 헤테로고리기로 이루어진 군으로부터 선택된 하나 이상의 기로 치환 또는 비치환된 C6 ~ C60의 아릴기; 할로겐, CN, NO2, C1 ~ C60의 알킬기, C1 ~ C60의 알콕시기, C1 ~C60의 알킬아민기, C1 ~ C60의 아릴아민기, C1 ~ C60의 알킬티오기, C2 ~ C60의 알케닐기, C2 ~C60의 알키닐기, C3 ~ C60의 시클로알킬기, C6 ~ C60의 아릴기, 중수소로 치환된 C6 ~ C60의 아릴기, 치환 또는 비치환된 실란기, 치환 또는 비치환된 붕소기, 치환 또는 비치환된 게르마늄기, 및 치환 또는 비치환된 C5 ~ C60의 헤테로고리기로 이루어진 군으로부터 선택된 하나 이상의 기로 치환 또는 비치환된 C5 ~C60의 헤테로고리기; 또는 C6 ~ C60의 방향족 고리와 C4 ~ C60의 지방족 고리의 축합 고리기이고, 각각 독립적으로 수소원자, 할로겐 원자, 치환 또는 비치환된 지방족 탄화 수소기, 치환 또는 비치환된 아릴기, 황(S), 질소(N), 산소(O), 인(P) 및 규소(Si)를 적어도 하나 이상 포함하는 치환 및 비환된 헤테로 아릴기로부터 선택되는 임의의기이며,(2) 인돌 유도체에 두개 이상의 다이아릴아민기를 가지며,(3) 상기 n은 1 이상 3 이하이며, .(4) 상기 X의 m은 3이상의 수이다.(5) 상기 Ar1 내지 Ar5는 서로 같거나 상이하고, 각각 독립적으로 치환 또는 무치환의 C1 ~ C60의 아릴 또는 헤테로 아릴기를 나타낸다.
- 제1항에 있어서,상기 Ar2 = Ar3= Ar4= Ar5인 것을 특징으로 하는 화합물.
- 제1항에 있어서,상기 Ar2 = Ar4, Ar3= Ar5이고, Ar2≠ Ar3, Ar4≠ Ar5인 것을 특징으로 하는 화합물.
- 제1항에 있어서,상기 R1 내지 R3, X는 인접한 위치끼리 서로 결합하여 포화 또는 불포화 고리를 형성하는 것을 특징으로 하는 화합물.
- 제1항 내지 제5항 중 어느 하나의 화합물을 포함하는 1층 이상의 유기물층을 포함하는 유기전기소자.
- 제6항에 있어서,상기 화합물을 용액 공정(soluble process)에 의해 상기 유기물층을 형성하는 것을 특징으로 하는 유기전기소자.
- 제6항에 있어서,상기 유기전기소자는 제1 전극, 상기 1층 이상의 유기물층 및 제2 전극을 순차적으로 적층된 형태로 포함하는 유기전계발광소자인 것을 특징으로 하는 유기전기소자.
- 제8항에 있어서,상기 유기물층은 정공주입층, 정공수송층, 발광층, 전자수송층 및 전자주입층 중 어느 하나인 것을 특징으로 하는 유기전기소자.
- 제8항에 있어서,상기 유기물층은 정공주입층을 포함하며,상기 정공주입층은 상기 화합물을 포함하는 유기전기소자.
- 제8항의 유기전기소자를 포함하는 디스플레이장치와;상기 디스플레이장치를 구동하는 제어부를 포함하는 단말.
- 제11항에 있어서,상기 유기전기소자는 유기전계발광소자(OLED), 유기태양전지, 유기감광체(OPC) 드럼, 유기트랜지스트(유기 TFT) 중 하나인 것을 특징으로 하는 단말.
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WO2013042414A1 (ja) * | 2011-09-22 | 2013-03-28 | 日本電気株式会社 | ジチエノピロール系化合物、光電変換素子用色素、これを用いた光電変換素子用半導体電極、および光電変換素子 |
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KR102061571B1 (ko) | 2012-12-24 | 2020-01-02 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
KR102287012B1 (ko) | 2014-05-28 | 2021-08-09 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
KR102242791B1 (ko) | 2014-08-29 | 2021-04-21 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
KR101745491B1 (ko) | 2015-03-12 | 2017-06-13 | 덕산네오룩스 주식회사 | 유기발광소자 및 유기발광 표시장치 |
KR102580210B1 (ko) | 2016-09-20 | 2023-09-21 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
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