JP5250981B2 - 有機デバイスの製造方法並びに電子機器 - Google Patents
有機デバイスの製造方法並びに電子機器 Download PDFInfo
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- JP5250981B2 JP5250981B2 JP2007040606A JP2007040606A JP5250981B2 JP 5250981 B2 JP5250981 B2 JP 5250981B2 JP 2007040606 A JP2007040606 A JP 2007040606A JP 2007040606 A JP2007040606 A JP 2007040606A JP 5250981 B2 JP5250981 B2 JP 5250981B2
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 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
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/20—Changing the shape of the active layer in the devices, e.g. patterning
- H10K71/211—Changing the shape of the active layer in the devices, e.g. patterning by selective transformation of an existing layer
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
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- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
- H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
- H10K71/421—Thermal treatment, e.g. annealing in the presence of a solvent vapour using coherent electromagnetic radiation, e.g. laser annealing
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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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
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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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/115—Polyfluorene; Derivatives thereof
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- 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
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- 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
- H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Description
図1は、本発明の有機デバイスの一実施形態である有機薄膜トランジスタ13を備えた電気光学装置1の概略構成図である。電気光学装置1は、互いに対向する第1基板10及び第2基板20と、第1基板10及び第2基板20の間に挟持された電気光学層50とを備えている。
参考文献1:J. AM. CHEM. SOC.124 (2002) 8812, Ali Afzali, Christos D. Dimitrakopoulos, and Tricia L. Breen
参考文献2:Adv. Mater. 11 (1990) 490, Peter T. Herwig and Klaus Mullen
参考文献3:Applied Phsics Letters,84 (2004) 2085, Shinji Aramaki et al.
RH → H・+R・
<進行過程>
R・+O2 → ROO・
ROO・+RH → ROOH+R・
ROOH → HO・+RO・
ROOH+RH → RO・+H2O+ R・
2ROOH → RO・+ROO・+ H2O
<停止過程>
R・+R・ → R−R
R・+RO・ → R−O−R…不活性物質(停止反応)
RO・+RO・ → ROOR
ROO・+ROO・ → ROOR+O2
R・+HO・ → ROH
図7は光照射工程の第2の実施形態の説明図である。図7は第1実施形態の図6に対応する図である。本実施形態では、面光源とマスク46を用いて配線領域10Bの半導体層18に光Lを照射している。マスク46は配線領域10Bに光透過領域46aを備えており、配線領域10B全面に一括で光Lを照射するようになっている。光Lとしては、第1実施形態で説明した光Lと同じものを用いることができる。この方法では、配線領域全体に光Lが照射されるため、一度の処理で配線領域10Bに存在する全ての半導体層を処理することができる。このため、製造工程が簡略化され、プロセスコストも低減できる。なお、表示領域10Aには光Lが照射されないので、表示領域10Aの半導体層15a,15bについては別の工程で光を照射する必要がある。この方法としては、図6に示した方法が適用できる。
図8は光照射工程の第3の実施形態の説明図である。図8(a)は第1実施形態の図6に対応する図であり、図8(b)は有機TFT30の断面図である。本実施形態では、ゲート電極17をマスクとして表示領域10Aと配線領域10Bの半導体層15a,15b,18に光Lを照射している。光Lとしては、第1実施形態で説明した光Lと同じものを用いることができる。この方法では、基板全体に光Lが照射されるため、一度の処理で表示領域10Aと配線領域10Bに存在する全ての半導体層を処理することができる。また、ゲート電極7をマスクとするため、新たに露光マスクを用意する必要がない。このため、製造工程が簡単になり、プロセスコストも低減できる。本実施形態の場合、有機TFT30のチャネル領域はゲート電極17によって保護されるため、有機TFT30の電気的特性が劣化される惧れはない。特にゲート電極17の幅はチャネル長よりも長く形成されているので、半導体層31の保護を万全にすることができる。
図10は、本発明の有機デバイスを備えた電子機器の一実施形態である電子ペーパー1400の概略構成図である。電子ペーパー1400は、上記実施形態の電気光学装置を搭載した表示部1401と、従来の紙と同様の質感及び柔軟性を有する書き換え可能なシートからなる本体1402とを備えている。なお、本発明の有機デバイスは、前述した電子ペーパーに限らず、種々の電子機器に搭載することができる。この電子機器としては例えば、電子ブック、パーソナルコンピュータ、ディジタルスチルカメラ、液晶テレビ、ビューファインダ型あるいはモニタ直視型のビデオテープレコーダ、カーナビゲーション装置、ページャ、電子手帳、電卓、ワードプロセッサ、ワークステーション、テレビ電話、POS端末、タッチパネルを備えた機器等がある。
Claims (6)
- 導電性有機膜が形成されるべき基板上の第1領域に導電性有機材料を含む溶液を選択的に配置する工程と、
前記溶液を乾燥することにより前記第1領域に前記導電性有機膜を形成する工程と、
前記第1領域以外の第2領域に前記溶液が広がりまたは飛散して形成された前記導電性有機膜に光を照射することにより、前記第2領域に配置された前記導電性有機膜の導電性を低下させ、その後、前記第1領域および前記第2領域に配置された前記導電性有機膜をアニールする工程とを備え、
前記第2領域に前記光を照射する工程では、前記光は、前記第2領域に前記光を透過する光透過領域を備えたマスクを用いて照射されることを特徴とする有機デバイスの製造方法。 - 前記導電性有機膜はπ共役系有機膜であり、
前記光は、π共役に係わる分子骨格の立体構造を変化させ、前記分子骨格内におけるπ電子軌道の重なりを切断することのできる波長及びエネルギーを持った光であることを特徴とする請求項1に記載の有機デバイスの製造方法。 - 前記光は、可視光であることを特徴とする請求項2に記載の有機デバイスの製造方法。
- 前記導電性有機膜はπ共役系有機膜であり、
前記光は、酸素又は水分の存在下で前記導電性有機膜を酸化させることのできる波長及びエネルギーを持った光であることを特徴とする請求項1に記載の有機デバイスの製造方法。 - 前記光は、紫外線であることを特徴とする請求項4に記載の有機デバイスの製造方法。
- 請求項1〜5のいずれかの項に記載の有機デバイスの製造方法により製造されてなる有機デバイスを備えたことを特徴とする電子機器。
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KR101479996B1 (ko) | 2008-02-21 | 2015-01-08 | 삼성디스플레이 주식회사 | 표시 장치 제조 방법 |
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