KR20050030532A - 표시 패널의 제조 방법 및 표시 패널 - Google Patents
표시 패널의 제조 방법 및 표시 패널 Download PDFInfo
- Publication number
- KR20050030532A KR20050030532A KR1020040055940A KR20040055940A KR20050030532A KR 20050030532 A KR20050030532 A KR 20050030532A KR 1020040055940 A KR1020040055940 A KR 1020040055940A KR 20040055940 A KR20040055940 A KR 20040055940A KR 20050030532 A KR20050030532 A KR 20050030532A
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- Prior art keywords
- film
- polycrystalline
- region
- silicon film
- display panel
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Classifications
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- 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
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- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
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- H01L27/1222—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 with a particular composition, shape or crystalline structure of the active layer
- H01L27/1229—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 with a particular composition, shape or crystalline structure of the active layer with different crystal properties within a device or between different devices
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
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- 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
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
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- H—ELECTRICITY
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
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- H01L29/66742—Thin film unipolar transistors
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Abstract
Description
Claims (21)
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 만들어 넣는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 절연 기판 내의 화소 영역 및 주변 회로 영역에 시간 변조한 연속 발진 레이저광을 용융/재응고 과정을 거쳐 가로 방향으로 성장 가능한 파워 밀도로, 또한 동일 주사 속도로 조사하여 상기 주사 방향을 따른 가로 방향 성장 다결정막을 형성하고, 상기 가로 방향 성장 다결정막에 상기 박막 트랜지스터를 만들어 넣는 것을 특징으로 하는 표시 패널의 제조 방법.
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 만들어 넣는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 레이저광이 시간 변조한 연속 발진 레이저광이고, 동일한 상기 절연 기판 내에서는 상기 레이저광을 복수의 파워 밀도, 또한 동일 주사 속도로 조사하고, 동일한 상기 절연 기판 내의 복수의 영역에 각각 상이한 결정 상태의 다결정 실리콘막을 형성하고, 상기 각각 상이한 결정 상태의 다결정 실리콘막에 상기 박막 트랜지스터를 만들어 넣는 것을 특징으로 하는 표시 패널의 제조 방법.
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 만들어 넣는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 레이저광이 시간 변조한 연속 발진 레이저광이고, 동일한 상기 절연 기판 내에 레이저광을 제1 파워 밀도와 제2 파워 밀도의 2 단계의 파워 밀도로, 또한 동일 주사 속도로 조사하고, 동일한 상기 절연 기판의 제1 영역에 제1 파워 밀도로 제1 다결정막을 형성하고, 제2 영역에 제2 파워 밀도로 제2 다결정막을 형성하고, 상기 제1 다결정막과 상기 제2 다결정막에 상기 박막 트랜지스터를 만들어 넣는 것을 특징으로 하는 표시 패널의 제조 방법.
- 제3항에 있어서,상기 제1 영역이 화소 영역 및 주사선 구동 회로 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 신호선 구동 회로를 포함하는 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막인 것을 특징으로 하는 표시 패널의 제조 방법.
- 제3항에 있어서,상기 제1 영역이 화소 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 주사선 및 신호선 구동 회로를 포함하는 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막인 것을 특징으로 하는 표시 패널의 제조 방법.
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 만들어 넣는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 레이저광이 시간 변조한 연속 발진 레이저광이고, 동일한 상기 절연 기판 내에 상기 레이저광을 3 단계의 파워 밀도로, 또한 동일 주사 속도로 조사하고, 동일한 상기 절연 기판의 제1 영역에 제1 파워 밀도로 제1 다결정막을 형성하고, 제2 영역에 제2 파워 밀도로 제2 다결정막을 형성하고, 제3 영역에 제3 파워 밀도로 제3 다결정막을 형성하고, 상기 제1 다결정막, 제2 다결정막, 제3 다결정막에 상기 박막 트랜지스터를 만들어 넣는 것을 특징으로 하는 표시 패널의 제조 방법.
- 제6항에 있어서,상기 제1 영역이 화소 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 주사선 구동 회로 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역이 신호선 구동 회로를 포함하는 영역이고, 상기 제3 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역의 결정 입자가 상기 제2 영역의 결정 입자보다 큰 것을 특징으로 하는 표시 패널의 제조 방법.
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 형성하는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 레이저광이 시간 변조한 연속 발진 레이저광이고, 상기 레이저광을 m 종류(m은 자연수)의 회절 광학 소자에 의해 m 단계의 파워 밀도로 선 형상으로 정형한 후, 상기 비정질 실리콘막에 조사하고, 동일한 상기 절연 기판 내의 m 종류의 영역에 m 종류의 다결정막을 형성하고, 상기 m 종류의 영역의 각각에 상기 박막 트랜지스터를 만들어 넣는 것을 특징으로 하는 표시 패널의 제조 방법.
- 제8항에 있어서,적어도 1 종류이상의 상기 영역에 대하여, 회절 광학 소자로 n 분할(n은 자연수)로 정형된 레이저광을 조사하여 다결정막을 n개 동시에 형성하고, 상기 다결정막이 입상 미세 다결정막인 것을 특징으로 하는 표시 패널의 제조 방법.
- 제8항에 있어서,상기 m이 2일 때, 상기 제1 영역이 화소 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 주사선 구동 회로 영역 및 신호선 구동 회로를 포함하는 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막인 것을 특징으로 하는 표시 패널의 제조 방법.
- 제8항에 있어서,상기 m이 3일 때, 상기 제1 영역이 화소 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 주사선 구동 회로 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역이 신호선 구동 회로 영역이고, 상기 제3 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역의 결정 입자가 상기 제2 영역의 결정 입자보다 큰 것을 특징으로 하는 표시 패널의 제조 방법.
- 표시 패널을 구성하는 절연 기판 상에 비정질 실리콘막을 형성하는 공정과, 상기 비정질 실리콘막 상에 레이저광을 조사하여 다결정 실리콘막으로 변환하는 공정과, 상기 다결정 실리콘막에 박막 트랜지스터를 만들어 넣는 공정을 포함하는 표시 패널의 제조 방법으로서,상기 레이저광이 고체 펄스 레이저광과 시간 변조한 연속 발진 레이저광이고, 회절 광학 소자를 이용하여 상기 레이저광을 3 단계의 파워 밀도로 조사하고, 제1 회절 광학 소자로 상기 고체 펄스 레이저광을 n 분할(n은 자연수)하고, 제1 영역에 제1 파워 밀도로 조사하여 제1 다결정막을 n개 동시에 형성하고, 제2 회절 광학 소자에 의해 상기 연속 발진 레이저광을 제2 영역에 제2 파워 밀도로 조사하여 제2 다결정막을 형성하고, 제3 회절 광학 소자에 의해 상기 연속 발진 레이저광을 제3 영역에 제3 파워 밀도로 조사하여 제3 다결정막을 형성하는 것을 특징으로 하는 표시 패널의 제조 방법.
- 제12항에 있어서,상기 제1 영역이 화소 영역이고, 상기 제1 다결정막이 입상 미세 다결정막이고, 상기 제2 영역이 주사선 구동 회로 영역이고, 상기 제2 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역이 신호선 구동 회로 영역이고, 상기 제3 다결정막이 가로 방향 성장 다결정막이고, 상기 제3 영역의 결정 입자가, 상기 제2 결정 입자보다 큰 것을 특징으로 하는 표시 패널의 제조 방법.
- 절연 기판 상에 형성한 비정질 실리콘막을 레이저광의 조사로 다결정화한 다결정 실리콘막에 만들어 넣은 박막 트랜지스터를 구동 회로부와 화소부에 갖는 표시 패널로서, 상기 구동 회로부 및 상기 화소부의 박막 트랜지스터를 구성하는 상기 다결정 실리콘막의 표면 거칠기의 최대값이, 모두 30㎚이하인 것을 특징으로 하는 표시 패널.
- 절연 기판 상에 박막 트랜지스터로 구성된 화소부와 주사선 구동 회로부 및 신호선 구동 회로부를 갖는 표시 패널로서, 상기 화소부와 주사선 구동 회로부 및 신호선 구동 회로부 각각을 구성하는 상기 박막 트랜지스터가 다결정 실리콘막에 만들어 넣어져 있고, 상기 박막 트랜지스터를 구성하는 다결정 실리콘막이, 적어도 2 종류의 크기의 결정 입자 중 어느 하나로 구성되어 있는 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부의 박막 트랜지스터를 구성하는 다결정 실리콘막이 입상 미세 결정막이고, 상기 주사선 구동 회로부 및 신호선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막이 대입경 띠형상 다결정막인 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부와 상기 주사선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막이 입상 미세 결정막이고, 상기 신호선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막이 대입경 띠형상 다결정막인 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부와 주사선 구동 회로부 및 신호선 구동 회로부 각각의 상기 박막 트랜지스터를 구성하는 다결정 실리콘막이, 적어도 2 종류의 이동도를 갖는 다결정 실리콘막 중 어느 하나로 구성되어 있는 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부의 박막 트랜지스터를 구성하는 다결정 실리콘막이 이동도가 10∼200㎠/Vs이고, 상기 주사선 구동 회로부 및 신호선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막의 이동도가 200㎠/Vs 이상인 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부와 상기 주사선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막의 이동도가 10∼200㎠/Vs이고, 상기 신호선 구동 회로부의 박막 트랜지스터를 구성하는 다결정 실리콘막의 이동도가 200㎠/Vs 이상인 것을 특징으로 하는 표시 패널.
- 제15항에 있어서,상기 화소부의 박막 트랜지스터를 구성하는 다결정 실리콘막의 이동도가 10∼200㎠/Vs이고, 상기 주사선 구동 회로의 박막 트랜지스터를 구성하는 다결정 실리콘막의 이동도가 200∼400㎠/Vs이고, 상기 신호선 구동 회로의 트랜지스터를 형성하는 다결정 실리콘막의 이동도가 400㎠/Vs 이상인 것을 특징으로 하는 표시 장치 패널.
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JP2003333090A JP4413569B2 (ja) | 2003-09-25 | 2003-09-25 | 表示パネルの製造方法及び表示パネル |
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JP (1) | JP4413569B2 (ko) |
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- 2003-09-25 JP JP2003333090A patent/JP4413569B2/ja not_active Expired - Fee Related
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2004
- 2004-06-21 TW TW093117979A patent/TWI271690B/zh not_active IP Right Cessation
- 2004-07-19 KR KR1020040055940A patent/KR100692326B1/ko not_active IP Right Cessation
- 2004-08-06 CN CNB2004100563239A patent/CN100552749C/zh not_active Expired - Fee Related
- 2004-08-10 US US10/914,333 patent/US7183148B2/en active Active
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Cited By (4)
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US9348474B2 (en) | 2013-09-17 | 2016-05-24 | Samsung Display Co., Ltd. | Display device integrated with touch screen panel |
KR20160023490A (ko) * | 2014-08-22 | 2016-03-03 | 삼성전자주식회사 | 음향광학 소자 어레이 |
KR20190112698A (ko) * | 2017-03-07 | 2019-10-07 | 주식회사 비아트론 | 화이버 레이저와 폴리곤 스캐너를 이용한 실리콘 박막 결정화 방법 |
KR102238080B1 (ko) * | 2019-11-27 | 2021-04-08 | 인하대학교 산학협력단 | 레이저 어닐 장치 및 방법 |
Also Published As
Publication number | Publication date |
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TWI271690B (en) | 2007-01-21 |
US7183148B2 (en) | 2007-02-27 |
CN1601579A (zh) | 2005-03-30 |
JP4413569B2 (ja) | 2010-02-10 |
CN100552749C (zh) | 2009-10-21 |
US20070131962A1 (en) | 2007-06-14 |
JP2005099427A (ja) | 2005-04-14 |
TW200512708A (en) | 2005-04-01 |
KR100692326B1 (ko) | 2007-03-09 |
US20050070035A1 (en) | 2005-03-31 |
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