KR101126129B1 - 산화물 반도체를 이용한 표시장치 및 그 제조방법 - Google Patents
산화물 반도체를 이용한 표시장치 및 그 제조방법 Download PDFInfo
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- KR101126129B1 KR101126129B1 KR1020097013546A KR20097013546A KR101126129B1 KR 101126129 B1 KR101126129 B1 KR 101126129B1 KR 1020097013546 A KR1020097013546 A KR 1020097013546A KR 20097013546 A KR20097013546 A KR 20097013546A KR 101126129 B1 KR101126129 B1 KR 101126129B1
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1248—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
- H01L29/78693—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate the semiconducting oxide being amorphous
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Abstract
Description
Claims (9)
- 발광층과,상기 발광층을 사이에 둔 한 쌍의 전극과,상기 한 쌍의 전극과, 소스 전극 또는 드레인 전극을 통해서 상기 발광층을 구동하는 트랜지스터와,주사전극선, 신호전극선, 및 제1의 절연층을 갖는 매트릭스 배선부를 구비하는 표시장치로서,상기 트랜지스터는 활성층을 갖고, 상기 활성층은, 적어도 일부가 비정질인 In과 Zn을 포함하는 산화물로 이루어지고,상기 활성층과 상기 제1의 절연층과의 사이에 함유 수소량이 3×1021atoms/cm3미만인 제2의 절연층이 배치되는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 제1의 절연층의 함유 수소량보다도, 상기 제2의 절연층의 함유 수소량이 적은 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 트랜지스터는, 상기 활성층과 접하는 소스 전극 및 드레인 전극을 갖고,상기 제2의 절연층은, 상기 활성층의 상기 소스 전극 및 상기 드레인 전극과 접하는 부분 이외의 부분에 형성된 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 제1의 절연층은, 수소함유량이 3×1021atoms/cm3미만인 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 매트릭스 배선부와 상기 트랜지스터는, 직렬 또는 병렬로 배치되고, 상기 제1의 절연층과 상기 활성층은, 상기 제2의 절연층을 통해서 서로 접하고 있는 것을 특징으로 하는 표시장치.
- 주사전극선, 제1의 절연층, 및 신호전극선을 갖는 매트릭스 배선부를 형성하는 공정과,적어도 일부가 비정질인 In과 Zn을 포함한 산화물로 이루어진 활성층을 갖는 트랜지스터를 형성하는 공정과,상기 제1의 절연층과 상기 활성층과의 사이에, 스퍼터링법에 의해, 함유 수소량이 3×1021atoms/cm3미만인 제2의 절연층을 형성하는 공정과,발광층, 및 상기 발광층을 사이에 둔 한 쌍의 전극을 형성하는 공정을 포함하는 것을 특징으로 하는 표시장치의 제조 방법.
- 제 6 항에 있어서,상기 트랜지스터의 형성은, 상기 매트릭스 배선부를 형성한 후에 행해지는 것을 특징으로 하는 표시장치의 제조 방법.
- 제 6 항에 있어서,상기 트랜지스터의 형성은, 상기 매트릭스 배선부와, 상기 한 쌍의 전극 중의 하나를 형성한 후에 행해지는 것을 특징으로 하는 표시장치의 제조 방법.
- 제 6 항에 있어서,상기 트랜지스터는, 상기 활성층과 접하는 소스 전극 및 드레인 전극을 갖고,상기 제2의 절연층을 형성하는 공정에 있어서, 상기 활성층의 상기 소스 전극 및 상기 드레인 전극과 접하는 부분 이외의 부분에 형성된 것을 특징으로 하는 표시장치의 제조 방법.
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JP2005311365A (ja) * | 2004-04-20 | 2005-11-04 | Applied Materials Inc | 膜形成先駆物質の制御による窒化シリコン膜の特性及び均一性の制御 |
WO2006051994A2 (en) * | 2004-11-10 | 2006-05-18 | Canon Kabushiki Kaisha | Light-emitting device |
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JP2008141119A (ja) | 2008-06-19 |
KR20090095612A (ko) | 2009-09-09 |
EP2084746A2 (en) | 2009-08-05 |
EP3249694B1 (en) | 2020-02-26 |
TWI373133B (en) | 2012-09-21 |
US20120168749A1 (en) | 2012-07-05 |
WO2008069286A3 (en) | 2008-08-07 |
CN101548383B (zh) | 2011-04-13 |
JP5105842B2 (ja) | 2012-12-26 |
EP2084746B1 (en) | 2017-06-07 |
WO2008069286A2 (en) | 2008-06-12 |
TW200847421A (en) | 2008-12-01 |
CN101548383A (zh) | 2009-09-30 |
EP3249694A1 (en) | 2017-11-29 |
US8164256B2 (en) | 2012-04-24 |
US8541944B2 (en) | 2013-09-24 |
US20100045179A1 (en) | 2010-02-25 |
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