KR100990818B1 - 표시 장치 및 표시 장치의 제조 방법 - Google Patents
표시 장치 및 표시 장치의 제조 방법 Download PDFInfo
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- KR100990818B1 KR100990818B1 KR1020080089409A KR20080089409A KR100990818B1 KR 100990818 B1 KR100990818 B1 KR 100990818B1 KR 1020080089409 A KR1020080089409 A KR 1020080089409A KR 20080089409 A KR20080089409 A KR 20080089409A KR 100990818 B1 KR100990818 B1 KR 100990818B1
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1229—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 different crystal properties within a device or between different devices
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- H01L27/02—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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
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- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
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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
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78678—Polycrystalline or microcrystalline silicon transistor with inverted-type structure, e.g. with bottom gate
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- Computer Hardware Design (AREA)
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- Crystallography & Structural Chemistry (AREA)
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- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
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Abstract
Description
Claims (5)
- 기판에 박막 트랜지스터가 형성된 표시 장치로서,상기 박막 트랜지스터로서, 상기 기판 상에 게이트 전극을 덮어 형성되는 실리콘 질화막과, 상기 실리콘 질화막 상에, 선택적으로 또한 섬 형상으로 형성된 실리콘 산화막을 포함하고,적어도 상기 실리콘 산화막의 상면에 형성된 의사 단결정층 혹은 다결정층을 포함하는 반도체층을 포함하고,상기 반도체층의 상면에 컨택트층을 개재하여 드레인 전극 및 소스 전극이 형성되어 구성되고,상기 의사 단결정층 혹은 다결정층은 아몰퍼스 실리콘층의 결정화에 의해 형성되어 있음과 함께, 그 둘레측 벽면은 그 아래층의 상기 실리콘 산화막의 둘레측 벽면과 단차를 갖지 않고 연속된 구성으로 이루어지는 것을 포함하고,상기 의사 단결정층 혹은 다결정층의 상기 둘레측 벽면과 상기 실리콘 산화막의 상기 둘레측 벽면은, 평면적으로 보아, 상기 실리콘 질화막 상에 위치하는 것을 특징으로 하는 표시 장치.
- 제1항에 있어서,기판면에서, 표시 영역의 각 화소 및 상기 표시 영역의 주변 회로에 각각 박막 트랜지스터가 형성되고,제1항의 박막 트랜지스터는, 상기 주변 회로에 형성되는 박막 트랜지스터인 것을 특징으로 하는 표시 장치.
- 제2항에 있어서,상기 표시 영역의 화소에 형성된 박막 트랜지스터는, 상기 기판 상에 게이트 전극을 덮어 형성되는 상기 실리콘 질화막과,상기 실리콘 질화막의 상면에 형성된 아몰퍼스 실리콘층과,상기 아몰퍼스 실리콘층의 상면에 컨택트층을 개재하여 형성된 드레인 전극 및 소스 전극을 포함하는 것을 특징으로 하는 표시 장치.
- 제1항에 있어서,적(R), 녹(G), 청(B)을 담당하는 각 화소에의 영상 신호의 공급을 시분할 구동에 의해 행하는 스위치 소자를 포함하는 표시 장치이며,상기 스위치 소자는, 제1항의 박막 트랜지스터에 의해 구성되어 있는 것을 특징으로 하는 표시 장치.
- 표시 장치의 기판 상에, 게이트 전극을 덮어 형성되는 실리콘 질화막과, 상기 실리콘 질화막 상에, 선택적으로 또한 섬 형상으로 형성된 실리콘 산화막을 포함하고,적어도 상기 실리콘 산화막의 상면에 의사 단결정층 혹은 다결정층을 포함하는 반도체층을 포함하고,상기 반도체층의 상면에 컨택트층을 개재하여 드레인 전극 및 소스 전극이 형성되어 구성되고,상기 의사 단결정층 혹은 다결정층은 아몰퍼스 실리콘층의 결정화에 의해 형성된 박막 트랜지스터를 포함하는 것이며,상기 실리콘 질화막, 상기 실리콘 산화막, 및 상기 아몰퍼스 실리콘층을 순차적으로 연속하여 형성하는 공정과,상기 아몰퍼스 실리콘층에 선택적으로 결정화하여 상기 의사 단결정층 혹은 다결정층을 형성하는 공정과,상기 의사 단결정층 혹은 다결정층을 잔존시키고, 상기 아몰퍼스 실리콘층을 에칭할 때에, 그 아몰퍼스 실리콘층의 아래층에 위치지어지는 실리콘 산화막도 에칭하는 공정을 포함하고,상기 에칭하는 공정에서, 상기 실리콘 질화막은 에칭되지 않는 것을 특징으로 하는 표시 장치의 제조 방법.
Applications Claiming Priority (2)
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JP2007234836A JP2009070861A (ja) | 2007-09-11 | 2007-09-11 | 表示装置 |
JPJP-P-2007-00234836 | 2007-09-11 |
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KR100990818B1 true KR100990818B1 (ko) | 2010-10-29 |
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US (1) | US7952095B2 (ko) |
JP (1) | JP2009070861A (ko) |
KR (1) | KR100990818B1 (ko) |
CN (1) | CN101387805B (ko) |
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JP2009099636A (ja) * | 2007-10-15 | 2009-05-07 | Hitachi Displays Ltd | 表示装置および表示装置の製造方法 |
JP5111167B2 (ja) * | 2008-03-06 | 2012-12-26 | 株式会社ジャパンディスプレイイースト | 液晶表示装置 |
JP4923069B2 (ja) * | 2009-01-14 | 2012-04-25 | 三菱電機株式会社 | 薄膜トランジスタ基板、及び半導体装置 |
JP2010245480A (ja) * | 2009-04-10 | 2010-10-28 | Hitachi Displays Ltd | 表示装置 |
EP2256814B1 (en) | 2009-05-29 | 2019-01-16 | Semiconductor Energy Laboratory Co, Ltd. | Oxide semiconductor device and method for manufacturing the same |
KR20170119742A (ko) | 2009-07-03 | 2017-10-27 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치의 제작 방법 |
WO2011013523A1 (en) | 2009-07-31 | 2011-02-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
KR102526493B1 (ko) | 2009-07-31 | 2023-04-28 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 디바이스 및 그 형성 방법 |
US8728860B2 (en) | 2010-09-03 | 2014-05-20 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
US20120298999A1 (en) * | 2011-05-24 | 2012-11-29 | Sharp Kabushiki Kaisha | Semiconductor device and manufacturing method thereof |
KR101901832B1 (ko) | 2011-12-14 | 2018-09-28 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 유기 발광 표시 장치의 제조 방법 |
KR101903445B1 (ko) * | 2012-01-10 | 2018-10-05 | 삼성디스플레이 주식회사 | 반도체 장치 및 이의 제조 방법 |
JP6673731B2 (ja) * | 2016-03-23 | 2020-03-25 | 株式会社ジャパンディスプレイ | 表示装置及びその製造方法 |
US11177386B2 (en) | 2017-11-22 | 2021-11-16 | Boe Technology Group Co., Ltd. | Thin film transistor and display apparatus |
CN110649044B (zh) * | 2019-09-30 | 2022-02-25 | 厦门天马微电子有限公司 | 阵列基板及其制作方法、显示面板和显示装置 |
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US20090065777A1 (en) | 2009-03-12 |
CN101387805B (zh) | 2011-04-13 |
US7952095B2 (en) | 2011-05-31 |
CN101387805A (zh) | 2009-03-18 |
KR20090027171A (ko) | 2009-03-16 |
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JP2009070861A (ja) | 2009-04-02 |
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