KR101281901B1 - 액정표시장치 및 그 제조방법 - Google Patents
액정표시장치 및 그 제조방법 Download PDFInfo
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- KR101281901B1 KR101281901B1 KR1020040050308A KR20040050308A KR101281901B1 KR 101281901 B1 KR101281901 B1 KR 101281901B1 KR 1020040050308 A KR1020040050308 A KR 1020040050308A KR 20040050308 A KR20040050308 A KR 20040050308A KR 101281901 B1 KR101281901 B1 KR 101281901B1
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- metal film
- low resistance
- layer
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- etching
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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
- G02F1/136—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
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
-
- 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
- G02F1/136295—Materials; Compositions; Manufacture processes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (9)
- 투명한 절연 기판 상에 버퍼 금속막과 저저항 금속막을 순차적으로 증착하고 식각하여 상기 버퍼 금속막과 저저항 금속막이 적층된 게이트 전극, 게이트 배선 및 게이트 패드를 형성하는 단계;상기 게이트 배선이 형성된 절연 기판 상에 게이트 절연막을 도포하고, 계속해서 반도체층을 형성하여, 채널층과 오믹 콘택층으로된 액티브 층을 형성하는 단계;상기 액티브 층이 형성된 절연 기판 상에 버퍼 금속막과 저저항 금속막으로된 소스/드레인 금속막을 증착하고, 식각하여 상기 버퍼 금속막과 저저항 금속막이 적층된 소스/드레인 전극 및 데이터 패드를 형성하는 단계;상기 소스/드레인 전극이 형성된 절연 기판 상에 보호막을 도포하고, 포토리소그라피 공정에 따라 감광막을 패터닝 한 다음, 식각하여 상기 드레인 전극의 저저항 금속막, 게이트 패드의 저저항 금속막 및 데이터 패드의 저저항 금속막을 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀을 형성한 다음, 상기 콘택홀을 형성한 감광막 패터닝을 마스크로하여 상기 콘택홀 영역에서 노출된 저저항 금속막을 선택 식각하여 저저항 금속막의 하측에 형성된 버퍼 금속막을 노출시키는 단계; 및상기 버퍼 금속막이 노출된 절연 기판 상에 투명 금속막을 증착한 다음, 식각하여 화소 전극 및 콘택 패드들을 형성하는 단계;를 포함하고,상기 콘택 패드들은 상기 게이트 패드와 데이터 패드의 이중 금속막 중 콘택홀 영역에서 노출된 버퍼 금속막들과 각각 전기적으로 연결되고,상기 버퍼 금속막은 몰리브덴(Mo)이고, 상기 저저항 금속막은 AlNd 계열의 금속 또는 합금 중 어느 하나이며,상기 저저항 금속막을 선택 식각하는 에천트는 암모늄아세테이트 함량이 1~3wt%인 과산화수소: 5~20wt%, TMAH(Trimethyl Ammonium Hydroxide) 2.38%의 조성을 갖는 것을 특징으로 하는 액정표시장치 제조방법.
- 삭제
- 삭제
- 삭제
- 투명한 절연 기판 상에 버퍼 금속막과 저저항 금속막을 순차적으로 증착하고 식각하여 상기 버퍼 금속막과 저저항 금속막이 적층된 게이트 전극, 게이트 배선 및 게이트 패드를 형성하는 단계;상기 게이트 배선이 형성된 절연 기판 상에 게이트 절연막을 도포하고, 계속해서 반도체층을 형성하여, 채널층과 오믹 콘택층으로된 액티브 층을 형성하는 단계;상기 액티브 층이 형성된 절연 기판 상에 버퍼 금속막과 저저항 금속막으로된 소스/드레인 금속막을 증착하고, 식각하여 상기 버퍼 금속막과 저저항 금속막이 적층된 소스/드레인 전극 및 데이터 패드를 형성하는 단계;상기 소스/드레인 전극이 형성된 절연 기판 상에 보호막을 도포하고, 포토리소그라피 공정에 따라 감광막을 패터닝 한 다음, 식각하여 상기 드레인 전극의 저저항 금속막, 게이트 패드의 저저항 금속막 및 데이터 패드의 저저항 금속막을 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀을 형성한 다음, 상기 콘택홀을 형성한 감광막 패터닝을 마스크로하여 상기 콘택홀 영역에서 노출된 저저항 금속막을 선택 식각하여 저저항 금속막의 하측에 형성된 버퍼 금속막을 노출시키는 단계; 및상기 버퍼 금속막이 노출된 절연 기판 상에 투명 금속막을 증착한 다음, 식각하여 화소 전극 및 콘택 패드들을 형성하는 단계;를 포함하고,상기 콘택 패드들은 상기 게이트 패드와 데이터 패드의 이중 금속막 중 콘택홀 영역에서 노출된 버퍼 금속막들과 각각 전기적으로 연결되고,상기 버퍼 금속막은 몰리브덴(Mo)이고, 상기 저저항 금속막은 AlNd 계열의 금속 또는 합금 중 어느 하나이며,상기 저저항 금속막을 선택 식각하는 에천트는 암모늄아세테이트 함량이 1~3wt%인 과산화수소: 5~20wt%, F- 이온을 포함한 초산(CH3COOH) 및 질산을 조성으로 갖는 것을 특징으로 하는 액정표시장치 제조방법.
- 제 1 항 또는 제 5 항에 있어서,상기 투명 금속막은 ITO 금속인 것을 특징으로 하는 액정표시장치 제조방법.
- 삭제
- 삭제
- 삭제
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KR1020040050308A KR101281901B1 (ko) | 2004-06-30 | 2004-06-30 | 액정표시장치 및 그 제조방법 |
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KR20060001234A KR20060001234A (ko) | 2006-01-06 |
KR101281901B1 true KR101281901B1 (ko) | 2013-07-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11706956B2 (en) | 2020-03-27 | 2023-07-18 | Samsung Display Co., Ltd. | Display device having side surface connection pads |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102127240B1 (ko) * | 2013-12-13 | 2020-06-26 | 엘지디스플레이 주식회사 | 표시장치 및 그 신호라인, 그 제조방법 |
KR102179563B1 (ko) | 2014-10-28 | 2020-11-18 | 삼성디스플레이 주식회사 | 표시장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001005028A (ja) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | 液晶表示装置とその製造方法 |
KR20010093035A (ko) * | 2000-03-28 | 2001-10-27 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001005028A (ja) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | 液晶表示装置とその製造方法 |
KR20010093035A (ko) * | 2000-03-28 | 2001-10-27 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11706956B2 (en) | 2020-03-27 | 2023-07-18 | Samsung Display Co., Ltd. | Display device having side surface connection pads |
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