JP2012146689A - 量子ドット有機電界発光素子の形成方法 - Google Patents
量子ドット有機電界発光素子の形成方法 Download PDFInfo
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229920001400 block copolymer Polymers 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000005191 phase separation Methods 0.000 claims abstract description 11
- 239000002105 nanoparticle Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 230000005525 hole transport Effects 0.000 claims description 22
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 20
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 20
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 20
- 239000004793 Polystyrene Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 229920002223 polystyrene Polymers 0.000 claims description 7
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 claims description 6
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000001039 wet etching Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 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 claims description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 145
- 239000011229 interlayer Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 238000005401 electroluminescence Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical class C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- DNTVTBIKSZRANH-UHFFFAOYSA-N 4-(4-aminophenyl)-3-(3-methylphenyl)aniline Chemical compound CC1=CC=CC(C=2C(=CC=C(N)C=2)C=2C=CC(N)=CC=2)=C1 DNTVTBIKSZRANH-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- -1 benzthiazole compound Chemical class 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N cyclobenzothiazole Natural products C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group 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 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 150000002916 oxazoles Chemical class 0.000 description 2
- 150000005041 phenanthrolines Chemical class 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
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- 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
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
- H10K85/146—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE poly N-vinylcarbazol; Derivatives thereof
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- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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Abstract
【解決手段】本発明の量子ドット有機電界発光素子の製造方法は、基板上に第1電極層を形成する段階と、前記第1電極層上に、相分離が可能なブロック共重合体膜を形成する段階(S100)と、前記ブロック共重合体膜をナノサイズの複数の柱状の第1ドメインと、前記第1ドメインを覆い包んだ第2ドメインとに相分離させる段階(S110)と、前記第1ドメインを選択的に除去し、ナノサイズの複数の貫通ホールを含む前記第2ドメインからなる量子ドットテンプレート膜を形成する段階(S120)と、前記量子ドットテンプレート膜の前記貫通ホール内に、有機発光層を含む量子ドット構造を形成する段階(S130)と、を含む。
【選択図】図6
Description
102 ブロック共重合体膜、
102A ポリビニルピロリドン・ドメイン、
102B ポリスチレン・ドメイン、
103 貫通ホール、
110 第1電極層、
120 量子ドット構造、
121 第1電極層、
123 正孔輸送層、
125 発光層、
127 電子輸送層、
129 第2電極層、
130 第2電極層、
200 透明基板、
202 バッファ層、
210 活性層、
212 チャンネル領域、
214 ソース/ドレイン領域、
216 ゲート絶縁膜、
220 ゲート電極、
222 第1層間絶縁膜、
230 コンタクト、
232 第2層間絶縁膜、
234 第3層間絶縁膜、
240 第1電極、
242 画素定義膜、
250 量子ドット構造、
260 第2電極。
Claims (12)
- 基板上に第1電極層を形成する段階と、
前記第1電極層上に、相分離が可能なブロック共重合体膜を形成する段階と、
前記ブロック共重合体膜をナノサイズの複数の柱状の第1ドメインと、前記第1ドメインを覆い包んだ第2ドメインとに相分離させる段階と、
前記第1ドメインを選択的に除去し、ナノサイズの複数の貫通ホールを含む前記第2ドメインからなる量子ドットテンプレート膜を形成する段階と、
前記量子ドットテンプレート膜の前記貫通ホール内に、有機発光層を含む量子ドット構造を形成する段階と、を含む有機発光素子の製造方法。 - 前記ブロック共重合体膜は、ポリスチレン(PS)とポリビニルピロリドン(PVP)とのブロック共重合体から選択されることを特徴とする請求項1に記載の有機発光素子の製造方法。
- 前記第1ドメインは、ポリスチレンであり、前記第2ドメインは、ポリビニルピロリドン(PVP)であることを特徴とする請求項1または請求項2に記載の有機発光素子の製造方法。
- 前記ブロック共重合体膜を相分離させる段階は、
前記ブロック共重合体膜を加熱または加圧することを含むことを特徴とする請求項1から3のうちのいずれか1項に記載の有機発光素子の製造方法。 - 前記第1ドメインを選択的に除去する段階は、
UV照射または湿式エッチングを含むことを特徴とする請求項1から4のうちいずれか1項に記載の有機発光素子の製造方法。 - 前記量子ドット構造を形成する段階は、
有機正孔輸送層、有機発光層、有機電子輸送層、及び第1金属層を順次に形成することを含むことを特徴とする請求項1から5のうちいずれか1項に記載の有機発光素子の製造方法。 - 前記量子ドット構造を形成する段階は、
有機正孔注入層、有機正孔輸送層、有機発光層、有機電子輸送層、有機電子注入層及び第1金属層を順次に形成することを含むことを特徴とする請求項1から6のうちのいずれか1項に記載の有機発光素子の製造方法。 - 前記有機発光層は、Alq3、4,4’−N,N’−ジカルバゾール−ビフェニル(CBP)、またはポリ(n−ビニルカルバゾール)(PVK)によって形成することを特徴とする請求項6または7に記載の有機発光素子の製造方法。
- 前記第1電極層は、ITOまたはZnOから形成されることを特徴とする請求項1から8のうちのいずれか1項に記載の有機発光素子の製造方法。
- 前記第1金属層は、Al、Ag、Mg、またはそれらの2以上の合金から形成することを特徴とする請求項6から9のうちのいずれか1項に記載の有機発光素子の製造方法。
- 第1金属層を形成する段階は、前記第1金属層が前記量子ドット構造から前記量子ドットテンプレート膜上に拡張され、前記量子ドット構造上と、量子ドットテンプレート膜上との第2電極層を形成することをさらに含むことを特徴とする請求項6から10のうちのいずれか1項に記載の有機発光素子の製造方法。
- 前記量子ドットテンプレート膜を選択的に除去する段階と、前記量子ドット構造を覆い包む絶縁膜を形成する段階とをさらに含むことを特徴とする請求項1から11のうちのいずれか1項に記載の有機発光素子の製造方法。
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KR1020100021013A KR101097342B1 (ko) | 2010-03-09 | 2010-03-09 | 양자점 유기 전계 발광 소자 및 그 형성방법 |
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JP2016001564A (ja) * | 2014-06-12 | 2016-01-07 | 株式会社ジャパンディスプレイ | 画像表示装置 |
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US8790958B2 (en) | 2014-07-29 |
JP2011187909A (ja) | 2011-09-22 |
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US20110220869A1 (en) | 2011-09-15 |
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