KR100653466B1 - 액정표시소자의제조방법 - Google Patents
액정표시소자의제조방법 Download PDFInfo
- Publication number
- KR100653466B1 KR100653466B1 KR1019970066705A KR19970066705A KR100653466B1 KR 100653466 B1 KR100653466 B1 KR 100653466B1 KR 1019970066705 A KR1019970066705 A KR 1019970066705A KR 19970066705 A KR19970066705 A KR 19970066705A KR 100653466 B1 KR100653466 B1 KR 100653466B1
- Authority
- KR
- South Korea
- Prior art keywords
- photolithography process
- insulating film
- pad
- transparent conductive
- conductive material
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000000206 photolithography Methods 0.000 claims abstract description 32
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000010408 film Substances 0.000 description 39
- 239000010409 thin film Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
-
- 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
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (4)
- 전기적 신호를 전달하기 위한 패드가 가장자리에 구비된 절연 기판 상부에 제 1 사진 식각 공정으로 게이트 전극 배선을 형성하는 단계;상기 게이트 전극 배선이 형성된 절연 기판 상부에 게이트 절연막과, 채널용 비정질 실리콘층, 절연막을 순차적으로 적층하는 단계;상기 절연막을 제 2 사진 식각 공정에 의하여, 소정 부분 패터닝하여 에치 스톱퍼를 형성하는 단계;상기 비정질 실리콘층과 게이트 절연막의 소정 부분을 제 3 사진 식각 공정에 의하여 식각하여 상기 패드를 오픈시키는 단계;상기 결과물 상부에 불순물이 도핑된 반도체층과 투명 전도 물질을 증착하는 단계;상기 투명 전도 물질 및 도핑된 반도체층을 제 4 사진 식각 공정에 의하여 소정 부분 식각하여, 소오스 전극, 드레인 전극 및 화소 전극을 동시에 형성하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 에치 스톱퍼는 실리콘 질화막으로 된 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 상기 투명 전도 물질은 ITO(indium tin oxide)인 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 1 항에 있어서, 소오스 전극, 드레인 전극 및 화소 전극을 동시에 형성하는 단계 이후에, 상기 절연 기판의 결과물 상부에 보호막을 증착하는 단계를 추가하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066705A KR100653466B1 (ko) | 1997-12-08 | 1997-12-08 | 액정표시소자의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066705A KR100653466B1 (ko) | 1997-12-08 | 1997-12-08 | 액정표시소자의제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR19990048092A KR19990048092A (ko) | 1999-07-05 |
KR100653466B1 true KR100653466B1 (ko) | 2007-02-05 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019970066705A KR100653466B1 (ko) | 1997-12-08 | 1997-12-08 | 액정표시소자의제조방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8767150B2 (en) | 2012-01-20 | 2014-07-01 | Samsung Display Co., Ltd. | Liquid crystal display and method of manufacturing the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100719333B1 (ko) * | 1999-11-25 | 2007-05-17 | 삼성전자주식회사 | 반사-투과형 박막트랜지스터 액정 표시 장치 및 그 제조방법 |
KR101035661B1 (ko) * | 2010-02-24 | 2011-05-23 | 서울대학교산학협력단 | 박막 트랜지스터의 제조 방법 및 이에 의한 박막 트랜지스터 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06310533A (ja) * | 1992-10-15 | 1994-11-04 | Fujitsu Ltd | 薄膜トランジスタ・マトリクスの製造方法 |
JPH07199227A (ja) * | 1993-11-22 | 1995-08-04 | Luder Ernst | 薄膜トランジスタからなるマトリクスを製造するための方法 |
KR970028753A (ko) * | 1995-11-20 | 1997-06-24 | 김주용 | 액정 표시 소자의 제조 방법 |
KR970053623A (ko) * | 1995-12-29 | 1997-07-31 | 김광호 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
KR970076042A (ko) * | 1996-05-30 | 1997-12-10 | 김광호 | 액정 표시 장치 및 제조 방법 |
KR970077369A (ko) * | 1996-05-16 | 1997-12-12 | 김광호 | 박막 트랜지스터의 제조 방법 |
-
1997
- 1997-12-08 KR KR1019970066705A patent/KR100653466B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06310533A (ja) * | 1992-10-15 | 1994-11-04 | Fujitsu Ltd | 薄膜トランジスタ・マトリクスの製造方法 |
JPH07199227A (ja) * | 1993-11-22 | 1995-08-04 | Luder Ernst | 薄膜トランジスタからなるマトリクスを製造するための方法 |
KR970028753A (ko) * | 1995-11-20 | 1997-06-24 | 김주용 | 액정 표시 소자의 제조 방법 |
KR970053623A (ko) * | 1995-12-29 | 1997-07-31 | 김광호 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
KR970077369A (ko) * | 1996-05-16 | 1997-12-12 | 김광호 | 박막 트랜지스터의 제조 방법 |
KR970076042A (ko) * | 1996-05-30 | 1997-12-10 | 김광호 | 액정 표시 장치 및 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8767150B2 (en) | 2012-01-20 | 2014-07-01 | Samsung Display Co., Ltd. | Liquid crystal display and method of manufacturing the same |
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Publication number | Publication date |
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KR19990048092A (ko) | 1999-07-05 |
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