JP6837995B2 - 量子ドット発光ダイオードおよびその製造方法、並びに表示パネルおよび表示装置 - Google Patents
量子ドット発光ダイオードおよびその製造方法、並びに表示パネルおよび表示装置 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000000463 material Substances 0.000 claims description 101
- 238000000034 method Methods 0.000 claims description 46
- 238000000151 deposition Methods 0.000 claims description 37
- 239000002131 composite material Substances 0.000 claims description 30
- 230000005525 hole transport Effects 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 230000008021 deposition Effects 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 19
- 238000000137 annealing Methods 0.000 claims description 13
- -1 halide anions Chemical class 0.000 claims description 10
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000004549 pulsed laser deposition Methods 0.000 claims description 8
- MBPCKEZNJVJYTC-UHFFFAOYSA-N 4-[4-(n-phenylanilino)phenyl]aniline Chemical compound C1=CC(N)=CC=C1C1=CC=C(N(C=2C=CC=CC=2)C=2C=CC=CC=2)C=C1 MBPCKEZNJVJYTC-UHFFFAOYSA-N 0.000 claims description 7
- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 claims description 7
- 229920000144 PEDOT:PSS Polymers 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 4
- 239000007983 Tris buffer Substances 0.000 claims description 3
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-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 1
- 150000001412 amines Chemical class 0.000 claims 1
- AWXGSYPUMWKTBR-UHFFFAOYSA-N 4-carbazol-9-yl-n,n-bis(4-carbazol-9-ylphenyl)aniline Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(N(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 AWXGSYPUMWKTBR-UHFFFAOYSA-N 0.000 description 8
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 8
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 8
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 2
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- YMMGRPLNZPTZBS-UHFFFAOYSA-N 2,3-dihydrothieno[2,3-b][1,4]dioxine Chemical compound O1CCOC2=C1C=CS2 YMMGRPLNZPTZBS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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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]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
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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]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
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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]
- H10K50/17—Carrier injection layers
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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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/50—Organic perovskites; Hybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/321—Inverted OLED, i.e. having cathode between substrate and anode
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- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
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- Electromagnetism (AREA)
- Electroluminescent Light Sources (AREA)
- Luminescent Compositions (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
正孔輸送層4の量子ドット発光層3から遠い側にある正孔注入層5と、正孔注入層5の正孔輸送層4から遠い側にある第1電極層6と、電子輸送層2の量子ドット発光層3から遠い側にある第2電極層1と、を含む。
2 電子輸送層
3 量子ドット発光層
4 正孔輸送層
5 正孔注入層
6 第1電極層
7 ベース基板
Claims (19)
- 量子ドット発光ダイオードを製造する方法であって、
ベース基板上に電子輸送材料と無機ペロブスカイト材料を共堆積させて、電子輸送材料と無機ペロブスカイト材料が含まれる複合層を形成する工程を含み、
前記共堆積は、パルスレーザー堆積法によって実施される
方法。 - 前記無機ペロブスカイト材料は、CsPbX3を含んでおり、ただし、X3はCl、Br、I、またはそれらの任意の組み合わせから選ばれる3つのハロゲン化物アニオンである
請求項1に記載の方法。 - 前記複合層を焼きなまして、複数の量子ドットが含まれる量子ドット発光層と電子輸送層を形成する工程をさらに含み、
前記無機ペロブスカイト材料は、焼きなまし過程で前記複合層の表面上の前記複数の量子ドットに自己組織化される
請求項1に記載の方法。 - 前記共堆積は、同一のパルスレーザー堆積室において別々に設置した電子輸送材料ターゲットと無機ペロブスカイト材料ターゲットをレーザー光源に露光させるステップを含む
請求項1に記載の方法。 - 前記複合層における、前記電子輸送材料に対する前記無機ペロブスカイト材料の体積比は、1:100〜1:10である
請求項4に記載の方法。 - 前記複合層における、前記電子輸送材料に対する前記無機ペロブスカイト材料の体積比は、5:95である
請求項4に記載の方法。 - 前記共堆積は、450℃〜700℃である堆積温度で実施される
請求項4に記載の方法。 - 前記共堆積は、50mTorr〜150mTorrである堆積圧力下の酸素雰囲気において実施される
請求項4に記載の方法。 - 前記共堆積は、5Hz〜20Hzであるレーザーパルス周波数で、および100mJ/cm2 〜270mJ/cm2であるレーザーエネルギー密度で実施される
請求項4に記載の方法。 - 前記電子輸送材料は、無機金属酸化物を含む
請求項1に記載の方法。 - 前記無機金属酸化物は、ZnO、TiO2、WO3、SnO2からなる群から選ばれる
請求項10に記載の方法。 - 前記焼きなましは、10分間〜50分間で実施される
請求項3に記載の方法。 - 前記電子輸送層は、10nm〜100nmである厚さを有し、
前記複数の量子ドットは、2nm〜20nmである平均直径を有する
請求項3に記載の方法。 - 前記量子ドット発光層の前記電子輸送層から遠い側に正孔輸送材料が含まれる正孔輸送層を形成する工程をさらに含み、
前記正孔輸送材料は、4,4’−シクロへキシレンビス[N,N−ビス(4−トリル)アニリン](TAPC)、4,4’,4’’−トリス(N−カルバゾリル)トリフェニルアミン(TCTA)、N,N’−ビス(1−ナフチル)−N,N’−ジフェニルベンジジン(NPB)、およびそれらの任意の組み合わせからなる群から選ばれる
請求項3に記載の方法。 - 前記正孔輸送層の前記量子ドット発光層から遠い側に正孔注入材料が含まれる正孔注入層を形成する工程をさらに含み、
前記正孔注入材料は、MoO3、CuPc、ポリ(3,4−エチレンジオキシチオフェン)ポリスチレンスルホン酸塩(PEDOT:PSS)からなる群から選ばれる
請求項14に記載の方法。 - 前記正孔注入層の前記正孔輸送層から遠い側に第1電極層を形成する工程と、
前記複合層を形成する前、前記ベース基板上に第2電極層を形成する工程と、をさらに含み、
前記第2電極層は、前記複合層の前記ベース基板に近い側に形成される
請求項15に記載の方法。 - 請求項1から16のいずれか一項に記載の方法で製造される量子ドット発光ダイオード。
- 請求項17に記載の量子ドット発光ダイオードを備える表示パネル。
- 請求項18に記載の表示パネルを備える表示装置。
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PCT/CN2016/105693 WO2018086114A1 (en) | 2016-11-14 | 2016-11-14 | Quantum dots light emitting diode and fabricating method thereof, display panel and display apparatus |
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US (1) | US10276820B2 (ja) |
EP (1) | EP3539166B1 (ja) |
JP (1) | JP6837995B2 (ja) |
KR (1) | KR102006800B1 (ja) |
CN (1) | CN108886101B (ja) |
WO (1) | WO2018086114A1 (ja) |
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KR100679231B1 (ko) * | 2006-04-13 | 2007-02-06 | 주식회사 나노엔텍 | 3 fm 정밀여과장치 |
US20180182934A1 (en) * | 2016-12-22 | 2018-06-28 | Osram Opto Semiconductors Gmbh | Light Emitting Unit |
KR20200044818A (ko) * | 2017-08-24 | 2020-04-29 | 고쿠리쓰다이가쿠호진 규슈다이가쿠 | 호스트 재료, 막 및 유기 발광 소자 |
JP2021525959A (ja) * | 2018-05-31 | 2021-09-27 | アメリカ合衆国 | 局所的な相転移を用いて個々の量子ドット発光周波数を同調させる歪 |
KR102144090B1 (ko) * | 2018-06-14 | 2020-08-13 | 서울대학교산학협력단 | 페로브스카이트-유기 저분자 호스트 혼합 발광층을 포함하는 발광 소자 및 이의 제조방법 |
WO2020206044A1 (en) * | 2019-04-03 | 2020-10-08 | The Johns Hopkins University | Flexible transparent membrane light emitting diode array and systems containing the same |
US20220115613A1 (en) * | 2019-04-12 | 2022-04-14 | Sharp Kabushiki Kaisha | Light-emitting element, display device, and method of manufacturing light-emitting element |
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 |
KR102687815B1 (ko) | 2019-06-20 | 2024-07-24 | 엘지전자 주식회사 | 디스플레이 장치 및 반도체 발광소자의 자가조립 방법 |
WO2021002021A1 (ja) * | 2019-07-04 | 2021-01-07 | シャープ株式会社 | 発光素子、発光デバイス、発光素子の製造方法 |
CN110783459A (zh) * | 2019-10-31 | 2020-02-11 | 深圳市华星光电半导体显示技术有限公司 | 膜层制作方法及发光器件 |
CN111403615B (zh) * | 2020-03-27 | 2022-07-12 | 深圳市华星光电半导体显示技术有限公司 | 有机发光器件及其制备方法 |
KR20210149963A (ko) * | 2020-06-02 | 2021-12-10 | 삼성디스플레이 주식회사 | 발광 소자, 이를 포함한 전자 장치 및 이의 제조 방법 |
CN113903873B (zh) * | 2020-06-22 | 2023-04-07 | 京东方科技集团股份有限公司 | 量子点发光面板、显示装置和制作方法 |
KR20220050282A (ko) * | 2020-10-15 | 2022-04-25 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
KR20220100136A (ko) * | 2021-01-07 | 2022-07-15 | 삼성디스플레이 주식회사 | 발광 소자, 이의 제조방법 및 이를 포함하는 표시 장치 |
FR3122037B1 (fr) * | 2021-04-20 | 2023-04-14 | Commissariat Energie Atomique | Procédé de fabrication d'un dispositif optoélectronique ou photovoltaïque, et dispositif réalisé par ce procédé |
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