KR20040079566A - 박막트랜지스터 제조방법 - Google Patents
박막트랜지스터 제조방법 Download PDFInfo
- Publication number
- KR20040079566A KR20040079566A KR1020030014494A KR20030014494A KR20040079566A KR 20040079566 A KR20040079566 A KR 20040079566A KR 1020030014494 A KR1020030014494 A KR 1020030014494A KR 20030014494 A KR20030014494 A KR 20030014494A KR 20040079566 A KR20040079566 A KR 20040079566A
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- Prior art keywords
- layer
- buffer layer
- thin film
- film transistor
- soft
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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
- G02F1/1368—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
- 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
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
-
- 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
- G02F1/133357—Planarisation layers
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/48—Flattening arrangements
Abstract
Description
Claims (6)
- 기판 상에 제 1 금속층을 증착하고, 소프트 몰드(PDMS 몰드)를 이용한 소프트 리소그라피(soft lithography)공정을 진행하는 단계에 있어서,소프트 리소그라피 공정은,제 1 금속층 상에 액상의 합성수지를 코팅하여 버퍼층을 형성하는 단계와;상기 버퍼층의 표면에 음각패턴과 양각 패턴으로 구성된 소프트 몰드를 접촉시키고 일정한 열을 가하여, 상기 양각패턴에 대응하는 액상의 버퍼층이 상기 음각패턴으로 이동하는 단계와; 상기 음각패턴에 대응하여 이와는 동일한 형상으로 구성된 패턴된 버퍼층이 상기 제 2 금속층 상부에 형성되는 단계를 포함하는 소프트 리소그라피 공정단계와;상기 소정의 형상으로 형성된 버퍼층 이외의 영역으로 노출된 하부의 제 1 금속층을 식각하여 게이트 전극을 형성하는 단계와;상기 게이트 전극의 상부에 게이트 절연막과, 순수 비정질 실리콘층과, 불순물 비정질 실리콘층을 적층하는 단계와;상기 비정질 실리콘층의 상부에 평탄화된 표면을 가지도록 코팅된 상기 버퍼층을 형성하고, 상기 소프트 리소그라피 공정과 식각 공정으로, 상기 게이트 전극 상부의 게이트 절연막 상에 액티브층과 오믹 콘택층을 형성하는 단계와;상기 오믹 콘택층 상부에 제 2 금속층을 형성하는 단계와;상기 제 2 금속층의 상부에 평탄화된 표면을 가지도록 코팅된 상기 버퍼층을형성하고, 상기 소프트 리소그라피 공정과 식각 공정으로, 상기 오믹 콘택층 상에 소정간격 이격된 소스 전극과 드레인 전극을 형성하는 단계를 포함하는 박막트랜지스터 제조방법.
- 제 1 항에 있어서,상기 소프트 몰드는 PDMS(polydimethylsiloxane)와 약 10 중량%의 경화제를 혼합하여 형성된 박막트랜지스터 제조방법.
- 제 1 항에 있어서,상기 버퍼층은 열을 가하면 점도가 낮아지고, 상기 소프트 몰드(PDMS 몰드)와 작용하여 이동성이 커지는 특성을 가지는 액상의 합성수지인 박막트랜지스터 제조방법.
- 제 3 항에 있어서,상기 합성수지는 폴리스티렌(polystyrene)인 박막트랜지스터 제조방법.
- 제 1 항에 있어서,상기 표면이 평탄한 버퍼층의 높이가 L이고, 버퍼층의 하부의 구성층의 단차 높이가 H일 때, L/H>1.3의 비율로 형성된 박막트랜지스터 제조방법.
- 제 1 항에 있어서,상기 버퍼층이 단차진 경우, 상기 소프트 몰드의 음각 패턴은 버퍼층의 단차진 부분에 대응하여 단차지게 구성된 형상인 박막트랜지스터 제조방법.
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KR1020030014494A KR100541532B1 (ko) | 2003-03-07 | 2003-03-07 | 박막트랜지스터 제조방법 |
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KR1020030014494A KR100541532B1 (ko) | 2003-03-07 | 2003-03-07 | 박막트랜지스터 제조방법 |
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KR20040079566A true KR20040079566A (ko) | 2004-09-16 |
KR100541532B1 KR100541532B1 (ko) | 2006-01-11 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100667134B1 (ko) * | 2004-11-12 | 2007-01-12 | 엘지.필립스 엘시디 주식회사 | 평판표시소자의 제조방법 및 장치 |
US7785504B2 (en) | 2004-11-11 | 2010-08-31 | Lg Display Co., Ltd. | Thin film patterning apparatus and method of fabricating color filter array substrate using the same |
KR101302636B1 (ko) * | 2007-08-30 | 2013-09-03 | 삼성디스플레이 주식회사 | 유기 박막 트랜지스터 기판 및 이의 제조 방법 |
-
2003
- 2003-03-07 KR KR1020030014494A patent/KR100541532B1/ko active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7785504B2 (en) | 2004-11-11 | 2010-08-31 | Lg Display Co., Ltd. | Thin film patterning apparatus and method of fabricating color filter array substrate using the same |
DE102005030339B4 (de) * | 2004-11-11 | 2012-05-31 | Lg Display Co., Ltd. | Verfahren zum Herstellen eines Farbfilter-Arraysubstrats |
DE102005030339B8 (de) * | 2004-11-11 | 2012-10-04 | Lg Display Co., Ltd. | Verfahren zum Herstellen eines Farbfilter-Arraysubstrats |
US8455046B2 (en) | 2004-11-11 | 2013-06-04 | Lg Display Co., Ltd. | Thin film patterning apparatus and method of fabricating color filter array substrate using the same |
KR100667134B1 (ko) * | 2004-11-12 | 2007-01-12 | 엘지.필립스 엘시디 주식회사 | 평판표시소자의 제조방법 및 장치 |
US7335520B2 (en) | 2004-11-12 | 2008-02-26 | Lg.Philips Lcd Co., Ltd. | Method and apparatus for fabricating flat panel display |
KR101302636B1 (ko) * | 2007-08-30 | 2013-09-03 | 삼성디스플레이 주식회사 | 유기 박막 트랜지스터 기판 및 이의 제조 방법 |
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KR100541532B1 (ko) | 2006-01-11 |
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