CN114846640A - 有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置 - Google Patents
有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置 Download PDFInfo
- Publication number
- CN114846640A CN114846640A CN202080003108.XA CN202080003108A CN114846640A CN 114846640 A CN114846640 A CN 114846640A CN 202080003108 A CN202080003108 A CN 202080003108A CN 114846640 A CN114846640 A CN 114846640A
- Authority
- CN
- China
- Prior art keywords
- group
- organic light
- emitting diode
- light emitting
- blue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 106
- 230000000903 blocking effect Effects 0.000 claims abstract description 34
- 125000003118 aryl group Chemical group 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 238000004770 highest occupied molecular orbital Methods 0.000 claims description 20
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 20
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 18
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 14
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 9
- 239000004305 biphenyl Chemical group 0.000 claims description 9
- 235000010290 biphenyl Nutrition 0.000 claims description 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 7
- 125000005110 aryl thio group Chemical group 0.000 claims description 7
- 125000004104 aryloxy group Chemical group 0.000 claims description 7
- 125000005843 halogen group Chemical group 0.000 claims description 7
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 claims description 6
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000001624 naphthyl group Chemical group 0.000 claims description 5
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 claims description 4
- 125000006267 biphenyl group Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000005580 triphenylene group Chemical group 0.000 claims description 4
- OIAQMFOKAXHPNH-UHFFFAOYSA-N 1,2-diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1C1=CC=CC=C1 OIAQMFOKAXHPNH-UHFFFAOYSA-N 0.000 claims description 3
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 3
- XJKSTNDFUHDPQJ-UHFFFAOYSA-N 1,4-diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=C(C=2C=CC=CC=2)C=C1 XJKSTNDFUHDPQJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 3
- -1 spiroxanthene Chemical compound 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 238000000295 emission spectrum Methods 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 230000006798 recombination Effects 0.000 description 5
- 238000005215 recombination Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005315 distribution function Methods 0.000 description 4
- 125000006575 electron-withdrawing group Chemical group 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthene Chemical compound C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 2
- 125000001188 haloalkyl group Chemical group 0.000 description 2
- 238000004643 material aging Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005182 potential energy surface Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/27—Polycyclic condensed hydrocarbons containing three rings
- C07C15/28—Anthracenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/38—Polycyclic condensed hydrocarbons containing four rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/18—Carrier blocking layers
- H10K50/181—Electron blocking layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/622—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/30—Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/40—Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
本发明公开了有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置。该有机发光二极管包括：阳极、阴极以及位于所述阳极和阴极之间的发光层，所述发光层中具有蓝光主体材料，在所述发光层朝向所述阳极的一侧，沿远离所述发光层的方向具有电子阻挡层，所述电子阻挡层中具有空穴型材料，所述空穴型材料具有下式(I)所示出的结构式，所述蓝光主体材料具有下式(II)所示出的结构式：
Description
PCT国内申请，说明书已公开。
Claims (15)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/132874 WO2022110181A1 (zh) | 2020-11-30 | 2020-11-30 | 有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114846640A true CN114846640A (zh) | 2022-08-02 |
Family
ID=81755208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080003108.XA Pending CN114846640A (zh) | 2020-11-30 | 2020-11-30 | 有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20230413591A1 (zh) |
| CN (1) | CN114846640A (zh) |
| WO (1) | WO2022110181A1 (zh) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009084268A1 (ja) * | 2007-12-28 | 2009-07-09 | Idemitsu Kosan Co., Ltd. | 芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子 |
| JP2017135127A (ja) * | 2014-04-21 | 2017-08-03 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子 |
| EP3312895B1 (en) * | 2016-10-24 | 2021-07-28 | Novaled GmbH | Organic semiconducting material comprising an electrical n-dopant and an electron transport matrix and electronic device comprising the semiconducting material |
| TWI779067B (zh) * | 2017-07-28 | 2022-10-01 | 德商麥克專利有限公司 | 電子裝置用材料 |
-
2020
- 2020-11-30 WO PCT/CN2020/132874 patent/WO2022110181A1/zh active Application Filing
- 2020-11-30 US US18/036,153 patent/US20230413591A1/en active Pending
- 2020-11-30 CN CN202080003108.XA patent/CN114846640A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022110181A1 (zh) | 2022-06-02 |
| US20230413591A1 (en) | 2023-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102176843B1 (ko) | 유기 발광 소자용 화합물 및 이를 포함하는 유기발광소자 | |
| WO2018198844A1 (ja) | 有機電界発光素子 | |
| CN111354853B (zh) | 包含掺杂剂材料和多种主体材料的有机电致发光器件 | |
| US7014925B2 (en) | Heterogeneous spiro compounds in organic light emitting device elements | |
| JP4227628B2 (ja) | 化合物および有機発光素子 | |
| Wang et al. | Single molecular tuning of the charge balance in blue-emitting iridium dendrimers for efficient nondoped solution-processed phosphorescent OLEDs | |
| KR20080003413A (ko) | 유기 전자 소자용 화합물 | |
| JP2008013700A (ja) | 発光材料及び発光素子 | |
| WO2018061446A1 (ja) | 有機電界発光素子 | |
| KR20170118113A (ko) | 인광 화합물, 제조방법 및 유기발광다이오드 소자 | |
| Moonsin et al. | Novel bis (fluorenyl) benzothiadiazole-cored carbazole dendrimers as highly efficient solution-processed non-doped green emitters for organic light-emitting diodes | |
| KR101494789B1 (ko) | 유기발광물질 및 이를 이용한 유기발광소자 | |
| Keruckas et al. | Methoxy-and tert-butyl-substituted meta-bis (N-carbazolyl) phenylenes as hosts for organic light-emitting diodes | |
| JP7332577B2 (ja) | 有機電界発光素子 | |
| EP4083033A1 (en) | Organic electroluminescent element | |
| CN110563705B (zh) | 一种具有四个给体基团围绕的含氮杂环化合物、发光材料及有机发光元件 | |
| Chi et al. | A high-efficiency and low-operating-voltage green electrophosphorescent device employing a pure-hydrocarbon host material | |
| Chen et al. | An alcohol-soluble and ion-free electron transporting material functionalized with phosphonate groups for solution-processed multilayer PLEDs | |
| JP2015220298A (ja) | 有機発光素子 | |
| Jing et al. | Efficient green electroluminescence based on an iridium (III) complex with different device structures | |
| Zhu et al. | 3-Cyanocarbazole/phosphine oxide hybrid host with increased molecular polarity towards universally enhanced efficiency for TADF OLEDs | |
| Liu et al. | Efficient Non‐doped Blue Fluorescent Organic Light‐Emitting Diodes Based on Anthracene–Triphenylethylene Derivatives | |
| CN114846640A (zh) | 有机发光二极管、制备有机发光二极管的方法、显示面板和显示装置 | |
| WO2021200250A1 (ja) | 有機電界発光素子 | |
| US20040219387A1 (en) | Organic light emitting devices with host-guest bonding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |