KR100437595B1 - 박막 트랜지스터 액정표시장치 제조방법 - Google Patents
박막 트랜지스터 액정표시장치 제조방법 Download PDFInfo
- Publication number
- KR100437595B1 KR100437595B1 KR10-2001-0017170A KR20010017170A KR100437595B1 KR 100437595 B1 KR100437595 B1 KR 100437595B1 KR 20010017170 A KR20010017170 A KR 20010017170A KR 100437595 B1 KR100437595 B1 KR 100437595B1
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- South Korea
- Prior art keywords
- film
- pattern
- photoresist
- halftone
- thin film
- Prior art date
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- 239000010409 thin film Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000010408 film Substances 0.000 claims abstract description 60
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 39
- 125000006850 spacer group Chemical group 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims abstract description 5
- 238000002161 passivation Methods 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 238000007687 exposure technique Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000004380 ashing Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- 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
- G02F1/1341—Filling or closing of 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
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (4)
- 게이트 버스 라인 및 데이터 버스 라인이 형성되고, 게이트 전극, 게이트 절연막, 액티브층 및 소오스/드레인 전극을 포함하는 박막 트랜지스터가 형성된 유리기판 상에 보호막을 도포하고, 상기 보호막을 식각하여 상기 박막 트랜지스터의 소정 부분을 노출시키는 단계;상기 보호막 상에 노출된 박막 트랜지스터 부분과 콘텍되도록 ITO 금속막을 증착하는 단계;상기 ITO 금속막 상에 감광막을 도포하고, 상기 감광막을 하프톤 노광하는 단계;상기 하프톤 노광된 감광막을 현상하여, 상대적으로 두꺼운 하프톤 패턴을 갖는 제1감광막 패턴과 하프톤 패턴을 갖지 않는 제2감광막 패턴을 형성하는 단계;상기 제1 및 제2감광막 패턴을 마스크로 이용해서 ITO 금속막을 식각하여 화소영역에 화소 전극을 형성하는 단계; 및상기 제2감광막 패턴을 제거함과 동시에 잔류된 제1감광막 패턴으로 이루어진 감광막 스페이서를 형성하는 단계를 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 감광막 스페이서는 게이트 버스 라인의 상부에 형성하는 것을 특징으로하는 박막트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 하프톤 패턴은 화소를 하나 또는 하나 이상 건너서 형성하는 것을 특징으로하는 박막 트랜지스터 액정표시장치 제조방법.
- 제 1항에 있어서,상기 감광막 스페이서는 3.5 ~4㎛ 높이로 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시장치 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0017170A KR100437595B1 (ko) | 2001-03-31 | 2001-03-31 | 박막 트랜지스터 액정표시장치 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0017170A KR100437595B1 (ko) | 2001-03-31 | 2001-03-31 | 박막 트랜지스터 액정표시장치 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020076935A KR20020076935A (ko) | 2002-10-11 |
KR100437595B1 true KR100437595B1 (ko) | 2004-06-26 |
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KR10-2001-0017170A KR100437595B1 (ko) | 2001-03-31 | 2001-03-31 | 박막 트랜지스터 액정표시장치 제조방법 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040040086A (ko) * | 2002-11-06 | 2004-05-12 | 삼성전자주식회사 | 박막 트랜지스터 기판 및 액정 표시 장치 |
KR100862536B1 (ko) * | 2002-11-07 | 2008-10-09 | 엘지디스플레이 주식회사 | 액정표시패널 및 그 제조방법 |
KR101130873B1 (ko) * | 2003-12-22 | 2012-03-28 | 엘지디스플레이 주식회사 | 액정표시패널의 제조방법 |
KR101029409B1 (ko) * | 2004-05-28 | 2011-04-14 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06175133A (ja) * | 1992-12-10 | 1994-06-24 | Seiko Epson Corp | 液晶表示素子の製造方法 |
JPH11190851A (ja) * | 1997-12-26 | 1999-07-13 | Canon Inc | 液晶素子とその製造方法 |
JPH11218770A (ja) * | 1998-01-29 | 1999-08-10 | Denso Corp | 液晶セル及びその製造方法 |
KR20000060830A (ko) * | 1999-03-19 | 2000-10-16 | 구본준 | 액정표시소자와 그 제조 방법 |
KR20010050691A (ko) * | 1999-09-29 | 2001-06-15 | 가네꼬 히사시 | 보호층과 일체화된 칼럼 스페이서를 가지는 액티브매트릭스 기판 및 그 제조 방법 |
KR20020076635A (ko) * | 2001-03-29 | 2002-10-11 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 어레이기판 제조방법 |
-
2001
- 2001-03-31 KR KR10-2001-0017170A patent/KR100437595B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06175133A (ja) * | 1992-12-10 | 1994-06-24 | Seiko Epson Corp | 液晶表示素子の製造方法 |
JPH11190851A (ja) * | 1997-12-26 | 1999-07-13 | Canon Inc | 液晶素子とその製造方法 |
JPH11218770A (ja) * | 1998-01-29 | 1999-08-10 | Denso Corp | 液晶セル及びその製造方法 |
KR20000060830A (ko) * | 1999-03-19 | 2000-10-16 | 구본준 | 액정표시소자와 그 제조 방법 |
KR20010050691A (ko) * | 1999-09-29 | 2001-06-15 | 가네꼬 히사시 | 보호층과 일체화된 칼럼 스페이서를 가지는 액티브매트릭스 기판 및 그 제조 방법 |
KR20020076635A (ko) * | 2001-03-29 | 2002-10-11 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 어레이기판 제조방법 |
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KR20020076935A (ko) | 2002-10-11 |
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