JP5241173B2 - 有機el素子の製造方法 - Google Patents
有機el素子の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000010410 layer Substances 0.000 claims description 234
- 238000002161 passivation Methods 0.000 claims description 125
- 239000000758 substrate Substances 0.000 claims description 45
- 238000002347 injection Methods 0.000 claims description 36
- 239000007924 injection Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 24
- 150000002894 organic compounds Chemical class 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004544 sputter deposition Methods 0.000 claims description 18
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- 150000001340 alkali metals Chemical class 0.000 claims description 12
- 238000005229 chemical vapour deposition Methods 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 30
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 30
- 239000007789 gas Substances 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- 239000011800 void material Substances 0.000 description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 229910052792 caesium Inorganic materials 0.000 description 14
- -1 hydrogen ions Chemical class 0.000 description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 229910052814 silicon oxide Inorganic materials 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 229910001873 dinitrogen Inorganic materials 0.000 description 12
- 238000001659 ion-beam spectroscopy Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000007740 vapor deposition Methods 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 8
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 5
- 229910000024 caesium carbonate Inorganic materials 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 3
- 238000010549 co-Evaporation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000005525 hole transport Effects 0.000 description 3
- 238000004050 hot filament vapor deposition Methods 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000001272 nitrous oxide Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003230 hygroscopic agent Substances 0.000 description 2
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910007264 Si2H6 Inorganic materials 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052730 francium Inorganic materials 0.000 description 1
- KLMCZVJOEAUDNE-UHFFFAOYSA-N francium atom Chemical compound [Fr] KLMCZVJOEAUDNE-UHFFFAOYSA-N 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 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 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 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]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
-
- 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
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- 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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Description
基板の上に下部電極と有機化合物層と上部電極とを積層する工程と、それらを覆うパッシベーション層を形成する工程とを、少なくとも有する有機EL素子の製造方法において、
前記有機化合物層のうち電子注入層がアルカリ金属又はアルカリ金属化合物を含有し、前記上部電極は酸化膜からなり、
前記積層する工程は、前記電子注入層を形成する工程と、前記電子注入層の直上に前記上部電極を形成する工程とを含み、
前記パッシベーション層を形成する工程は、前記上部電極の直上に珪素を含みかつ水素を含まない材料を用いて第一パッシベーション層を形成する工程と、前記第一パッシベーション層の上に珪素および水素を含む材料を用いて、CVD法により第二パッシベーション層を形成する工程とを含むことを特徴とする。
TMS(Tri Methoxy Silane)、OMCTS(Octamethylcycotetrasiloxane)などを用いることができるが、これらに限られるものではない。その他補助材料ガスとして水素、アルゴンなどのガスを用いる。
図1に示す本発明の有機EL素子におけるボイドの発生について評価する。
実施例2では、第一パッシべーション層6に酸化珪素を用いて、図1に示す有機EL素子を第一パッシべーション層6の膜厚を変えて製作した。
実施例3では、第一パッシべーション層6の第一層61に酸化珪素を用い、第二層62に窒化珪素を用いて、図2に示す有機EL素子を膜厚を変えて製作した。
実施例4では、第一パッシべーション層6に窒化珪素を用いて、図1に示す有機EL素子を膜厚を変えて製作した。
実施例5では、図6に示す有機EL素子を製作した。
実施例6では、図5に示す有機EL素子を製作した。
実施例7では、図6に示す有機EL素子を製作した。
比較例では、図8に示す第一パッシべーション層6を用いない有機EL素子を製作した。
2 下部電極
3 有機化合物層(ホール注入層/発光層/電子輸送層)
4 電子注入層
5 上部電極
6 第一パッシべーション層
7 第二パッシべーション層
8 円偏光板
61 第一パッシべーション層の第一層
62 第一パッシべーション層の第二層
71 第二パッシべーション層の第一層
72 第二パッシべーション層の第二層
Claims (4)
- 基板の上に下部電極と有機化合物層と上部電極とを積層する工程と、それらを覆うパッシベーション層を形成する工程とを、少なくとも有する有機EL素子の製造方法において、
前記有機化合物層のうち電子注入層がアルカリ金属又はアルカリ金属化合物を含有し、前記上部電極は酸化膜からなり、
前記積層する工程は、前記電子注入層を形成する工程と、前記電子注入層の直上に前記上部電極を形成する工程とを含み、
前記パッシベーション層を形成する工程は、前記上部電極の直上に珪素を含みかつ水素を含まない材料を用いて第一パッシベーション層を形成する工程と、前記第一パッシベーション層の上に珪素および水素を含む材料を用いて、CVD法により第二パッシベーション層を形成する工程とを含むことを特徴とする有機EL素子の製造方法。 - 前記第一パッシベーション層を形成する工程は、酸化物、窒化物、酸化窒化物の何れかの絶縁膜の単層又は複数層を蒸着法、またはスパッタリング法で形成する工程であることを特徴とする請求項1に記載の有機EL素子の製造方法。
- 前記第二パッシベーション層を形成する工程は、酸化物、窒化物、酸化窒化物の何れかの絶縁膜を形成する工程であることを特徴とする請求項1または2に記載の有機EL素子の製造方法。
- 前記電子注入層を形成する工程は、有機化合物とアルカリ金属又はアルカリ金属化合物とを共蒸着する工程であることを特徴とする請求項1乃至3の何れか一項に記載の有機EL素子の製造方法。
Priority Applications (2)
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JP2007220813A JP5241173B2 (ja) | 2007-08-28 | 2007-08-28 | 有機el素子の製造方法 |
US12/193,620 US7994707B2 (en) | 2007-08-28 | 2008-08-18 | Organic el device and method of producing the device |
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JP2007220813A JP5241173B2 (ja) | 2007-08-28 | 2007-08-28 | 有機el素子の製造方法 |
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JP2009054444A JP2009054444A (ja) | 2009-03-12 |
JP2009054444A5 JP2009054444A5 (ja) | 2010-10-14 |
JP5241173B2 true JP5241173B2 (ja) | 2013-07-17 |
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Families Citing this family (9)
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KR100999779B1 (ko) * | 2010-02-01 | 2010-12-08 | 엘지이노텍 주식회사 | 발광소자, 발광소자의 제조방법 및 발광소자 패키지 |
TWI515936B (zh) * | 2011-12-15 | 2016-01-01 | 友達光電股份有限公司 | 發光裝置及其製作方法 |
KR101980231B1 (ko) * | 2012-09-18 | 2019-05-21 | 삼성디스플레이 주식회사 | 박막봉지를 구비한 평판 표시 장치 및 그 제조방법 |
JP2014141714A (ja) * | 2013-01-24 | 2014-08-07 | Kaneka Corp | 真空蒸着装置及び有機el装置の製造方法 |
US9954045B2 (en) | 2014-05-07 | 2018-04-24 | Sharp Kabushiki Kaisha | Electroluminescence device and method for producing same |
JP6586328B2 (ja) * | 2015-09-04 | 2019-10-02 | 東京エレクトロン株式会社 | 被処理体を処理する方法 |
CN105552247B (zh) * | 2015-12-08 | 2018-10-26 | 上海天马微电子有限公司 | 复合基板、柔性显示装置及其制备方法 |
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