CN115315825A - 发光二极管、显示面板和显示装置 - Google Patents
发光二极管、显示面板和显示装置 Download PDFInfo
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- CN115315825A CN115315825A CN202180000025.XA CN202180000025A CN115315825A CN 115315825 A CN115315825 A CN 115315825A CN 202180000025 A CN202180000025 A CN 202180000025A CN 115315825 A CN115315825 A CN 115315825A
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- Prior art keywords
- light
- layer
- hole transport
- emitting diode
- light emitting
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- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- -1 arylamine compound Chemical class 0.000 claims description 4
- TZMSYXZUNZXBOL-UHFFFAOYSA-N 10H-phenoxazine Chemical compound C1=CC=C2NC3=CC=CC=C3OC2=C1 TZMSYXZUNZXBOL-UHFFFAOYSA-N 0.000 claims description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 claims description 3
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- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 claims description 3
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 3
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- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 3
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 3
- 125000002098 pyridazinyl group Chemical group 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004076 pyridyl group Chemical group 0.000 claims description 3
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 3
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 3
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 3
- 125000000335 thiazolyl group Chemical group 0.000 claims description 3
- 125000001544 thienyl group Chemical group 0.000 claims description 3
- BVCRYZCZHIUGTH-UHFFFAOYSA-N triazine-4-carbonitrile Chemical compound N#CC1=CC=NN=N1 BVCRYZCZHIUGTH-UHFFFAOYSA-N 0.000 claims description 3
- 125000006267 biphenyl group Chemical group 0.000 claims description 2
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 claims description 2
- 125000005328 phosphinyl group Chemical group [PH2](=O)* 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- 150000003384 small molecules Chemical class 0.000 abstract description 9
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical group [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000007738 vacuum evaporation Methods 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000001994 activation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 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
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001716 carbazoles Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010549 co-Evaporation Methods 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002220 fluorenes Chemical class 0.000 description 1
- 238000002866 fluorescence resonance energy transfer Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- 150000003457 sulfones Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
-
- 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]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting 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]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting 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
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- 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
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- 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
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
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- 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
- H10K2101/10—Triplet emission
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- 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
- H10K2101/20—Delayed fluorescence emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/351—Thickness
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- 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
- H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
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- 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
Abstract
一种发光二极管、显示面板和显示装置。该发光二极管包括：阳极(300，300A，300B，300C)；空穴传输层(400)，空穴传输层(400)中具有空穴传输类材料，空穴传输类材料包括分子量小于4000的有机小分子材料，空穴传输类材料的空穴迁移率不小于1×E‑5cm2/(V·S)；发光层(200，200A，200B，200C)，所述发光层(200，200A，200B，200C)位于空穴传输层(400)远离阳极(300，300A，300B，300C)的一侧，发光层(200，200A，200B，200C)中具有量子点材料；电子缓冲层(500，500A，500B，500C)，电子缓冲层(500，500A，500B，500C)位于发光层(200，200A，200B，200C)远离空穴传输层(400)的一侧，电子缓冲层(500，500A，500B，500C)中具有热活化延迟荧光材料；阴极(100)，阴极(100)位于电子缓冲层(500，500A，500B，500C)远离发光层(200，200A，200B，200C)的一侧。
Description
PCT国内申请，说明书已公开。
Claims (13)
- 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/CN2021/070483 WO2022147686A1 (zh) | 2021-01-06 | 2021-01-06 | 发光二极管、显示面板和显示装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115315825A true CN115315825A (zh) | 2022-11-08 |
Family
ID=82356987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180000025.XA Pending CN115315825A (zh) | 2021-01-06 | 2021-01-06 | 发光二极管、显示面板和显示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20230380278A1 (zh) |
| CN (1) | CN115315825A (zh) |
| WO (1) | WO2022147686A1 (zh) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6967062B2 (en) * | 2003-03-19 | 2005-11-22 | Eastman Kodak Company | White light-emitting OLED device having a blue light-emitting layer doped with an electron-transporting or a hole-transporting material or both |
| CN113292572A (zh) * | 2015-09-04 | 2021-08-24 | 株式会社半导体能源研究所 | 化合物、发光元件、显示装置、电子设备及照明装置 |
| JP6929777B2 (ja) * | 2016-02-18 | 2021-09-01 | 京東方科技集團股▲ふん▼有限公司Ｂｏｅ Ｔｅｃｈｎｏｌｏｇｙ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． | 量子ドット発光デバイス及びその製造方法、表示基板及び表示装置 |
| CN105870349B (zh) * | 2016-06-06 | 2017-09-26 | 京东方科技集团股份有限公司 | 发光二极管及其制备方法、发光器件 |
| KR20200071313A (ko) * | 2018-12-11 | 2020-06-19 | 엘지디스플레이 주식회사 | 유기발광다이오드 및 이를 포함하는 유기발광장치 |
| CN110112305B (zh) * | 2019-05-24 | 2023-04-07 | 京东方科技集团股份有限公司 | Qled器件及其制作方法、显示面板及显示装置 |
| CN110931649B (zh) * | 2019-11-29 | 2022-11-15 | 昆山国显光电有限公司 | 一种有机电致发光器件及显示装置 |
-
2021
- 2021-01-06 CN CN202180000025.XA patent/CN115315825A/zh active Pending
- 2021-01-06 US US18/027,500 patent/US20230380278A1/en active Pending
- 2021-01-06 WO PCT/CN2021/070483 patent/WO2022147686A1/zh active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022147686A1 (zh) | 2022-07-14 |
| US20230380278A1 (en) | 2023-11-23 |
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