KR101831080B1 - 박막 트랜지스터 기판의 제조 방법 및 이를 이용하여 제조된 박막 트랜지스터 기판 - Google Patents
박막 트랜지스터 기판의 제조 방법 및 이를 이용하여 제조된 박막 트랜지스터 기판 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 92
- 239000010409 thin film Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title description 40
- 239000004065 semiconductor Substances 0.000 claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 67
- 238000002161 passivation Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 42
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 16
- 229910052738 indium Inorganic materials 0.000 claims description 15
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 15
- 239000011787 zinc oxide Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 10
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052733 gallium Inorganic materials 0.000 claims description 9
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 7
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- 229910001887 tin oxide Inorganic materials 0.000 claims description 6
- 238000005530 etching Methods 0.000 description 18
- 238000000206 photolithography Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Abstract
Description
도면 중,
도 1은 종래의 박막 트랜지스터 기판의 구조도이다;
도 2는 본 발명의 박막 트랜지스터 기판의 제조 방법의 흐름도이다;
도 3 내지 도 8은 본 발명의 박막 트랜지스터 기판의 제조 방법을 이용하여 제조한 박막 트랜지스터 기판의 일 실시예의 공정 모식도이다;
도 9 내지 도 14는 본 발명의 박막 트랜지스터 기판의 제조 방법을 이용하여 제조한 박막 트랜지스터 기판의 또 다른 실시예의 공정 모식도이다;
도 15는 본 발명의 박막 트랜지스터 기판의 일 실시예의 구조도이다;
도 16은 본 발명의 박막 트랜지스터 기판의 또 다른 실시예의 구조도이다.
Claims (14)
- 단계 1: 기판을 제공하는 단계;
단계 2: 기판 위에 소정 구조의 게이트를 형성하는 단계;
단계 3: 게이트와 기판 위에 게이트 절연층을 형성하는 단계;
단계 4: 게이트 절연층 위에 소정 구조의 금속 신호선을 형성하는 단계;
단계 5: 게이트 절연층 위에 소정 구조의 산화물 반도체층을 형성하는 단계;
단계 6: 게이트 절연층, 금속 신호선, 산화물 반도체층 위에 소정 구조의 패시베이션층을 형성하는 단계;
단계 7: 상기 금속 신호선, 산화물 반도체층, 패시베이션층 위에 소정 구조의 소스/드레인을 형성함으로써, 박막 트랜지스터 기판을 형성하는 단계;
를 포함하는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제1항에 있어서,
상기 기판은 유리 기판이며;
상기 산화물 반도체층은 인듐 갈륨 아연 산화물, 인듐 갈륨 산화물, 산화 아연, 산화 알루미늄 또는 산화 주석으로 형성되는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제1항에 있어서,
상기 단계 6에서,패시베이션층을 형성하는 동시에 소정 구조의 식각 정지층을 더 형성하며, 상기 식각 정지층은 상기 산화물 반도체층 위에 위치하고, 상기 패시베이션층은 상기 식각 정지층 양측에 위치하며, 상기 패시베이션층과 상기 식각 정지층은 동일한 소재 또는 다른 소재로 제조되는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제1항에 있어서,
상기 단계 7에서, 소스/드레인을 형성하는 동시에 픽셀 전극을 더 형성하며, 상기 소스/드레인은 서로 이격된 두 개의 전극 유닛을 구비하고, 상기 픽셀 전극은 패시베이션층 위에 형성되고, 소스/드레인의 두 개의 전극 유닛 중의 하나와 전기적으로 연결되며,상기 소스/드레인과 픽셀 전극은 모두 투명 전도성 산화물로 형성되는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제4항에 있어서,
상기 투명 전도성 산화물은 산화 인듐 주석인 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 단계 1: 기판을 제공하는 단계;
단계 2: 기판 위에 소정 구조의 게이트를 형성하는 단계;
단계 3: 게이트와 기판 위에 게이트 절연층을 형성하는 단계;
단계 4: 게이트 절연층 위에 소정 구조의 금속 신호선을 형성하는 단계;
단계 5: 게이트 절연층 위에 소정 구조의 산화물 반도체층을 형성하는 단계;
단계 6: 게이트 절연층, 금속 신호선, 산화물 반도체층 위에 소정 구조의 패시베이션층을 형성하는 단계;
단계 7: 상기 금속 신호선, 산화물 반도체층, 패시베이션층 위에 소정 구조의 소스/드레인을 형성함으로써, 박막 트랜지스터 기판을 형성하는 단계; 를 포함하며,
상기 단계 6에서, 패시베이션층을 형성하는 동시에,소정 구조의 식각 정지층을 더 형성하며,상기 식각 정지층은 상기 산화물 반도체층 위에 위치하고, 상기 패시베이션층은 상기 식각 정지층 양측에 위치하며, 상기 패시베이션층과 상기 식각 정지층은 동일한 소재 또는 다른 소재로 제조되고;
상기 기판은 유리 기판이며;
상기 산화물 반도체층은 인듐 갈륨 아연 산화물, 인듐 갈륨 산화물, 산화 아연, 산화 알루미늄 또는 산화 주석으로 형성되는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제6항에 있어서,
상기 단계 7에서, 소스/드레인을 형성하는 동시에 픽셀 전극을 더 형성하며, 상기 소스/드레인은 서로 이격된 두 개의 전극 유닛을 구비하고, 상기 픽셀 전극은 패시베이션층 위에 형성되고, 소스/드레인의 두 개의 전극유닛 중 하나와 전기적으로 연결되며,상기 소스/드레인과 픽셀 전극은 모두 투명 전도성 산화물로 형성되는 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 제7항에 있어서,
상기 투명 전도성 산화물은 산화 인듐 주석인 것을 특징으로 하는 박막 트랜지스터 기판의 제조 방법. - 삭제
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PCT/CN2013/087357 WO2015070463A1 (zh) | 2013-11-12 | 2013-11-18 | 薄膜晶体管基板的制造方法及用该方法制造的薄膜晶体管基板 |
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KR (1) | KR101831080B1 (ko) |
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CN104241298B (zh) * | 2014-09-02 | 2017-11-10 | 深圳市华星光电技术有限公司 | Tft背板结构及其制作方法 |
CN107636841B (zh) * | 2015-06-05 | 2020-10-09 | 夏普株式会社 | 有源矩阵基板及其制造方法和使用有源矩阵基板的显示装置 |
CN113678261B (zh) * | 2019-04-09 | 2025-02-07 | 三菱电机株式会社 | 半导体装置及半导体模块 |
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CN102636927A (zh) * | 2011-12-23 | 2012-08-15 | 京东方科技集团股份有限公司 | 阵列基板及其制造方法 |
JP2013051421A (ja) | 2009-12-09 | 2013-03-14 | Sharp Corp | 半導体装置 |
JP5688909B2 (ja) | 2009-02-27 | 2015-03-25 | 北京京東方光電科技有限公司 | Tft−lcdアレイ基板及びその製造方法 |
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JPH0540279A (ja) * | 1991-05-24 | 1993-02-19 | Sanyo Electric Co Ltd | 液晶表示装置 |
JPH0728077A (ja) * | 1993-07-15 | 1995-01-31 | Matsushita Electric Ind Co Ltd | 表示素子およびその製造方法 |
KR20020038482A (ko) * | 2000-11-15 | 2002-05-23 | 모리시타 요이찌 | 박막 트랜지스터 어레이, 그 제조방법 및 그것을 이용한표시패널 |
JP2003050405A (ja) * | 2000-11-15 | 2003-02-21 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタアレイ、その製造方法およびそれを用いた表示パネル |
KR20070109612A (ko) * | 2006-05-12 | 2007-11-15 | 엘지.필립스 엘시디 주식회사 | 폴리실리콘 tft 어레이 기판의 제조방법 |
JP5139503B2 (ja) * | 2010-11-18 | 2013-02-06 | 株式会社ジャパンディスプレイイースト | 液晶表示装置およびその製造方法 |
JP5857432B2 (ja) * | 2011-04-11 | 2016-02-10 | 大日本印刷株式会社 | 薄膜トランジスタの製造方法 |
CN202373580U (zh) * | 2011-09-27 | 2012-08-08 | 北京京东方光电科技有限公司 | 薄膜晶体管阵列基板及液晶显示器 |
CN102645808A (zh) * | 2012-04-20 | 2012-08-22 | 京东方科技集团股份有限公司 | 一种阵列基板的制造方法、阵列基板及显示装置 |
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- 2013-11-18 KR KR1020167008559A patent/KR101831080B1/ko not_active Expired - Fee Related
- 2013-11-18 JP JP2016524028A patent/JP6261732B2/ja not_active Expired - Fee Related
- 2013-11-18 WO PCT/CN2013/087357 patent/WO2015070463A1/zh active Application Filing
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JP5688909B2 (ja) | 2009-02-27 | 2015-03-25 | 北京京東方光電科技有限公司 | Tft−lcdアレイ基板及びその製造方法 |
JP2013051421A (ja) | 2009-12-09 | 2013-03-14 | Sharp Corp | 半導体装置 |
CN102636927A (zh) * | 2011-12-23 | 2012-08-15 | 京东方科技集团股份有限公司 | 阵列基板及其制造方法 |
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JP2017500727A (ja) | 2017-01-05 |
JP6261732B2 (ja) | 2018-01-17 |
KR20160052624A (ko) | 2016-05-12 |
GB201600114D0 (en) | 2016-02-17 |
WO2015070463A1 (zh) | 2015-05-21 |
GB2529987B (en) | 2020-08-19 |
CN103560112B (zh) | 2015-11-18 |
CN103560112A (zh) | 2014-02-05 |
GB2529987A (en) | 2016-03-09 |
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