KR100585873B1 - 폴리실리콘 액정표시소자 및 그 제조방법 - Google Patents
폴리실리콘 액정표시소자 및 그 제조방법 Download PDFInfo
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- KR100585873B1 KR100585873B1 KR1020030077365A KR20030077365A KR100585873B1 KR 100585873 B1 KR100585873 B1 KR 100585873B1 KR 1020030077365 A KR1020030077365 A KR 1020030077365A KR 20030077365 A KR20030077365 A KR 20030077365A KR 100585873 B1 KR100585873 B1 KR 100585873B1
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- South Korea
- Prior art keywords
- semiconductor layer
- forming
- liquid crystal
- crystal display
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 34
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 48
- 239000012535 impurity Substances 0.000 claims abstract description 41
- 150000002500 ions Chemical class 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000002161 passivation Methods 0.000 claims abstract description 11
- 239000010408 film Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000010409 thin film Substances 0.000 claims description 23
- 229920002120 photoresistant polymer Polymers 0.000 claims description 15
- 238000000059 patterning Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004380 ashing Methods 0.000 claims description 2
- 229910021478 group 5 element Inorganic materials 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract description 20
- 238000002425 crystallisation Methods 0.000 abstract description 8
- 230000008025 crystallization Effects 0.000 abstract description 8
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract description 6
- 238000009751 slip forming Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 229910052814 silicon oxide Inorganic materials 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 230000001681 protective effect Effects 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
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 238000005499 laser crystallization Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- -1 hydrogen compound Chemical class 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/10—Materials and properties semiconductor
- G02F2202/104—Materials and properties semiconductor poly-Si
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 기판상에 게이트 전극을 형성하는 단계;상기 게이트전극 상에 게이트 절연막을 형성하는 단계;상기 게이트절연막상에 제 1 반도체층과 고농도 불순물이온이 포함된 제 2 반도체층을 연속하여 형성하는 단계;상기 제 2 반도체층의 불순물 이온이 제 1 반도체층으로 확산되기 전에 제 1,2 반도체층이 결정화되도록 레이저 에너지를 조사하여 상기 제 1,2 반도체층을 결정화하는 단계;상기 결정화된 제2 반도체층상에 소스 및 드레인 전극을 형성하는 단계; 및상기 소스 및 드레인 전극상에 보호막과 화소전극을 형성하는 단계를 포함하여 구성되는 것을 특징으로하는 폴리실리콘 액정표시소자 제조방법.
- 제 1항에 있어서, 상기 고농도 불순물이온이 포함된 제 2 반도체층을 형성하는 단계는상기 반도체층 형성용 플라즈마 속에 불순물이온을 혼합하는 단계를 포함하는 것을 특징으로 하는 폴리실리콘 액정표시소자 제조방법.
- 삭제
- 삭제
- 제 1항에 있어서, 상기 소스 및 드레인 전극을 형성하는 단계는상기 결정화된 반도체층상에 금속박막을 형성하는 단계;상기 금속박막상에 감광막을 형성하는 단계;상기 감광막을 슬릿마스크를 적용하여 감광막 패턴을 형성하는 단계;상기 감광막패턴을 마스크로 적용하여 상기 금속박막 및 결정화된 제2 반도체층의 일부를 패턴닝하여 액티브영역을 형성하는 단계;상기 패턴닝된 감광막을 에싱하는 단계;상기 에싱된 감광막을 마스크로 적용하여 채널 영역 상부의 금속박막 및 제 2 반도체층을 제거하는 단계를 포함하는 것을 특징으로 하는 폴리실리콘 액정표시소자 제조방법.
- 제 5항에 있어서, 상기 채널 영역 상부의 금속박막 및 제 2 반도체층을 제거하는 단계는 채널 영역 상부의 금속박막을 제거하는 단계; 채널 영역 상부의 제 2 반도체층을 제거하는 단계로 구성되는 것을 특징으로 하는 폴리실리콘 액정표시소자 제조방법.
- 제 1항에 있어서, 상기 반도체층은 실리콘층인 것을 특징으로 하는 폴리실리콘 액정표시소자 제조방법.
- 제 1항에 있어서, 상기 고농도 불순물 이온은 3족원소 또는 5족 원소중 어느하나인 것을 특징으로 하는 폴리실리콘 액정표시소자 제조방법.
- 삭제
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030077365A KR100585873B1 (ko) | 2003-11-03 | 2003-11-03 | 폴리실리콘 액정표시소자 및 그 제조방법 |
US10/975,003 US7643101B2 (en) | 2003-11-03 | 2004-10-28 | Polycrystalline liquid crystal display device and fabrication method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030077365A KR100585873B1 (ko) | 2003-11-03 | 2003-11-03 | 폴리실리콘 액정표시소자 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050042596A KR20050042596A (ko) | 2005-05-10 |
KR100585873B1 true KR100585873B1 (ko) | 2006-06-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020030077365A Expired - Lifetime KR100585873B1 (ko) | 2003-11-03 | 2003-11-03 | 폴리실리콘 액정표시소자 및 그 제조방법 |
Country Status (2)
Country | Link |
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US (1) | US7643101B2 (ko) |
KR (1) | KR100585873B1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101146522B1 (ko) * | 2004-12-08 | 2012-05-25 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이기판 제조방법 |
JP2006237270A (ja) * | 2005-02-24 | 2006-09-07 | Sony Corp | 薄膜半導体装置及びその製造方法と表示装置 |
KR101230305B1 (ko) | 2005-12-08 | 2013-02-06 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
KR100832885B1 (ko) * | 2006-06-27 | 2008-05-28 | 주식회사 에이이티 | 액정표시장치용 액정패널의 박막 트랜지스터 및 그의제조방법 |
KR100982311B1 (ko) | 2008-05-26 | 2010-09-15 | 삼성모바일디스플레이주식회사 | 박막트랜지스터, 그의 제조방법 및 이를 포함하는유기전계발광표시장치 |
TWI622175B (zh) * | 2008-07-31 | 2018-04-21 | 半導體能源研究所股份有限公司 | 半導體裝置 |
JP2010108957A (ja) * | 2008-10-28 | 2010-05-13 | Hitachi Displays Ltd | 表示装置およびその製造方法 |
CN102034751B (zh) * | 2009-09-24 | 2013-09-04 | 北京京东方光电科技有限公司 | Tft-lcd阵列基板及其制造方法 |
WO2011043196A1 (en) * | 2009-10-09 | 2011-04-14 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
KR20120039947A (ko) | 2010-10-18 | 2012-04-26 | 삼성모바일디스플레이주식회사 | 표시 장치 및 그 제조 방법 |
CN102130009B (zh) * | 2010-12-01 | 2012-12-05 | 北京大学深圳研究生院 | 一种晶体管的制造方法 |
CN105206568B (zh) * | 2015-10-16 | 2018-06-05 | 京东方科技集团股份有限公司 | 一种低温多晶硅tft阵列基板的制备方法及其阵列基板 |
CN107068691B (zh) * | 2017-03-28 | 2020-10-23 | 上海天马微电子有限公司 | 阵列基板和阵列基板的制作方法 |
Citations (4)
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KR100200706B1 (ko) * | 1996-06-28 | 1999-06-15 | 윤종용 | 폴리실리콘 박막트랜지스터 액정표시소자의 제조방법 |
JP2000111945A (ja) * | 1998-10-01 | 2000-04-21 | Sony Corp | 電気光学装置、電気光学装置用の駆動基板、及びこれらの製造方法 |
KR20020027902A (ko) * | 2000-10-06 | 2002-04-15 | 구본준, 론 위라하디락사 | 박막 트랜지스터 제조방법 |
KR20020057241A (ko) * | 2000-12-30 | 2002-07-11 | 주식회사 현대 디스플레이 테크놀로지 | 폴리실리콘 박막 트랜지스터 액정표시소자 제조방법 |
Family Cites Families (9)
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JP3255942B2 (ja) * | 1991-06-19 | 2002-02-12 | 株式会社半導体エネルギー研究所 | 逆スタガ薄膜トランジスタの作製方法 |
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JPH1050607A (ja) * | 1996-07-31 | 1998-02-20 | Sony Corp | 半導体装置の製造方法 |
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JP2001147446A (ja) * | 1999-11-19 | 2001-05-29 | Hitachi Ltd | 液晶表示装置とその製造方法 |
JP4700160B2 (ja) * | 2000-03-13 | 2011-06-15 | 株式会社半導体エネルギー研究所 | 半導体装置 |
JP3564417B2 (ja) * | 2000-05-31 | 2004-09-08 | Nec液晶テクノロジー株式会社 | カラー液晶表示装置及びその製造方法 |
KR100710282B1 (ko) * | 2000-12-29 | 2007-04-23 | 엘지.필립스 엘시디 주식회사 | 박막트랜지스터 및 그 제조방법 |
-
2003
- 2003-11-03 KR KR1020030077365A patent/KR100585873B1/ko not_active Expired - Lifetime
-
2004
- 2004-10-28 US US10/975,003 patent/US7643101B2/en not_active Expired - Lifetime
Patent Citations (4)
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KR100200706B1 (ko) * | 1996-06-28 | 1999-06-15 | 윤종용 | 폴리실리콘 박막트랜지스터 액정표시소자의 제조방법 |
JP2000111945A (ja) * | 1998-10-01 | 2000-04-21 | Sony Corp | 電気光学装置、電気光学装置用の駆動基板、及びこれらの製造方法 |
KR20020027902A (ko) * | 2000-10-06 | 2002-04-15 | 구본준, 론 위라하디락사 | 박막 트랜지스터 제조방법 |
KR20020057241A (ko) * | 2000-12-30 | 2002-07-11 | 주식회사 현대 디스플레이 테크놀로지 | 폴리실리콘 박막 트랜지스터 액정표시소자 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20050042596A (ko) | 2005-05-10 |
US20050094041A1 (en) | 2005-05-05 |
US7643101B2 (en) | 2010-01-05 |
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