JP5792485B2 - 薄膜トランジスタ、その製造方法および薄膜トランジスタを利用した表示基板 - Google Patents
薄膜トランジスタ、その製造方法および薄膜トランジスタを利用した表示基板 Download PDFInfo
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- JP5792485B2 JP5792485B2 JP2011056669A JP2011056669A JP5792485B2 JP 5792485 B2 JP5792485 B2 JP 5792485B2 JP 2011056669 A JP2011056669 A JP 2011056669A JP 2011056669 A JP2011056669 A JP 2011056669A JP 5792485 B2 JP5792485 B2 JP 5792485B2
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- 239000000758 substrate Substances 0.000 title claims description 63
- 239000010409 thin film Substances 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title description 18
- 239000010408 film Substances 0.000 claims description 87
- 230000001681 protective effect Effects 0.000 claims description 70
- 239000004065 semiconductor Substances 0.000 claims description 22
- 229910004205 SiNX Inorganic materials 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 8
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 8
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 8
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052733 gallium Inorganic materials 0.000 claims description 7
- 229910052735 hafnium Inorganic materials 0.000 claims description 7
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 139
- 239000011241 protective layer Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 25
- 230000008569 process Effects 0.000 description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 229920001296 polysiloxane Polymers 0.000 description 13
- 238000002161 passivation Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000003071 parasitic effect Effects 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 238000009832 plasma treatment Methods 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 229910007541 Zn O Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/34—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/465—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/467—Chemical or electrical treatment, e.g. electrolytic etching using masks
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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
- H01L27/1225—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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- 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
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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
- H01L27/124—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 layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H—ELECTRICITY
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated 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
- H01L29/7869—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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- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Description
Claims (12)
- 基板と、
前記基板上に配置されるゲートラインと、
前記基板上に前記ゲートラインから絶縁され、前記ゲートラインを交差するデータラインと、
前記ゲートラインと前記データラインに電気的に接続され、酸化物層を含む酸化物薄膜トランジスタ、および
前記酸化物薄膜トランジスタに電気的に接続される画素電極を含み、
前記酸化物薄膜トランジスタの酸化物層は、
チャネルを含み半導体特性を有する第1部分と、
前記第1部分を囲み、導電性を有する第2部分を含み、
前記第1部分は前記画素電極と電気的に接続して前記第2部分は前記データラインと電気的に接続される酸化物薄膜トランジスタ基板。 - 前記酸化物層上に配置され前記第1部分を露出させる第1ホールを有する第1保護膜、および
前記第1保護膜の上に配置され前記第1ホールを露出させる第2ホールを有する第2保護膜をさらに含み、
前記画素電極は前記第2保護膜の上に形成され、前記第1ホールおよび第2ホールを通じて前記第1部分とコンタクトする請求項1に記載の酸化物薄膜トランジスタ基板。 - 前記第1保護膜と前記第2保護膜は互いに異なる物質で形成される請求項2に記載の酸化物薄膜トランジスタ基板。
- 前記第1保護膜はSiOxを含み、前記第2保護膜はSiNxを含む請求項2又は3に記載の酸化物薄膜トランジスタ基板。
- 前記第1保護膜と前記第2保護膜は互いに同じ物質で形成される請求項2に記載の酸化物薄膜トランジスタ基板。
- 前記第1保護膜および前記第2保護膜はSiOxを含む請求項2又は5に記載の酸化物薄膜トランジスタ基板
- 前記第1ホールおよび前記第2ホールは複数個形成される請求項2に記載の酸化物薄膜トランジスタ基板
- 前記酸化物層は、インジウム(In)、亜鉛(Zn)、ガリウム(Ga)またはハフニウム(Hf)のうち少なくとも一つを含む非晶質酸化物で形成される請求項2に記載の酸化物薄膜トランジスタ基板。
- 前記非晶質酸化物は、インジウム(In)、亜鉛(Zn)およびガリウム(Ga)を含む非晶質酸化物からなる請求項8に記載の酸化物薄膜トランジスタ基板。
- 前記非晶質酸化物は、インジウム(In)、亜鉛(Zn)およびハフニウム(Hf)を含む非晶質酸化物からなる請求項8に記載の酸化物薄膜トランジスタ基板。
- 前記第1部分は前記画素電極と直接接続することを特徴とする請求項1に記載の酸化物薄膜トランジスタ基板。
- 前記第2部分は前記第1部分を完全に囲むことを特徴とする請求項1に記載の酸化物薄膜トランジスタ基板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0023367 | 2010-03-16 | ||
KR1020100023367A KR101600879B1 (ko) | 2010-03-16 | 2010-03-16 | 박막트랜지스터, 그 제조방법 및 박막트랜지스터를 이용한 표시기판 |
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Publication Number | Publication Date |
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JP2011191764A JP2011191764A (ja) | 2011-09-29 |
JP5792485B2 true JP5792485B2 (ja) | 2015-10-14 |
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JP2011056669A Active JP5792485B2 (ja) | 2010-03-16 | 2011-03-15 | 薄膜トランジスタ、その製造方法および薄膜トランジスタを利用した表示基板 |
Country Status (4)
Country | Link |
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US (2) | US8476627B2 (ja) |
JP (1) | JP5792485B2 (ja) |
KR (1) | KR101600879B1 (ja) |
CN (1) | CN102194831B (ja) |
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KR101345047B1 (ko) * | 2011-03-30 | 2013-12-26 | 샤프 가부시키가이샤 | 액티브 매트릭스 기판, 표시 장치 및 액티브 매트릭스 기판의 제조 방법 |
US9368523B2 (en) | 2012-03-27 | 2016-06-14 | Sharp Kabushiki Kaisha | Semiconductor device, method for manufacturing semiconductor device, and display device |
KR102006273B1 (ko) | 2012-11-19 | 2019-08-02 | 삼성디스플레이 주식회사 | 표시 기판 및 이의 제조 방법 |
CN103050543A (zh) * | 2012-12-28 | 2013-04-17 | 青岛润鑫伟业科贸有限公司 | 一种薄膜晶体管 |
KR102109166B1 (ko) | 2013-01-15 | 2020-05-12 | 삼성디스플레이 주식회사 | 박막 트랜지스터 및 이를 구비하는 표시 기판 |
CN103187423B (zh) * | 2013-02-04 | 2016-03-23 | 合肥京东方光电科技有限公司 | 一种氧化物薄膜晶体管阵列基板及其制作方法、显示面板 |
CN103715267A (zh) * | 2013-12-30 | 2014-04-09 | 京东方科技集团股份有限公司 | 薄膜晶体管、tft阵列基板及其制造方法和显示装置 |
KR101563084B1 (ko) * | 2014-04-17 | 2015-10-26 | 하이디스 테크놀로지 주식회사 | 다기능 전극을 갖는 반사형 표시장치 및 그 제조방법 |
CN104716166A (zh) * | 2015-03-18 | 2015-06-17 | 上海天马微电子有限公司 | 一种有机发光显示装置及其制作方法 |
CN104716196B (zh) * | 2015-03-18 | 2017-08-08 | 京东方科技集团股份有限公司 | 薄膜晶体管及其制作方法、阵列基板及显示装置 |
CN105097557A (zh) * | 2015-09-25 | 2015-11-25 | 深圳市华星光电技术有限公司 | 一种tft基板、tft开关管及其制造方法 |
TWI593090B (zh) * | 2015-12-24 | 2017-07-21 | 友達光電股份有限公司 | 畫素結構、其製作方法與薄膜電晶體 |
CN105845694A (zh) * | 2016-03-28 | 2016-08-10 | 深圳市华星光电技术有限公司 | 薄膜晶体管、薄膜晶体管的制备方法及液晶显示面板 |
TWI636510B (zh) * | 2017-12-05 | 2018-09-21 | 友達光電股份有限公司 | 薄膜電晶體基板及其製造方法 |
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US20110227063A1 (en) | 2011-09-22 |
CN102194831B (zh) | 2015-09-09 |
US8835216B2 (en) | 2014-09-16 |
JP2011191764A (ja) | 2011-09-29 |
KR20110104299A (ko) | 2011-09-22 |
US8476627B2 (en) | 2013-07-02 |
CN102194831A (zh) | 2011-09-21 |
KR101600879B1 (ko) | 2016-03-09 |
US20130295718A1 (en) | 2013-11-07 |
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