KR20200000454A - 액정 표시 장치의 제작 방법 - Google Patents
액정 표시 장치의 제작 방법 Download PDFInfo
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- KR20200000454A KR20200000454A KR1020197037802A KR20197037802A KR20200000454A KR 20200000454 A KR20200000454 A KR 20200000454A KR 1020197037802 A KR1020197037802 A KR 1020197037802A KR 20197037802 A KR20197037802 A KR 20197037802A KR 20200000454 A KR20200000454 A KR 20200000454A
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- layer
- oxide semiconductor
- semiconductor layer
- oxide
- thin film
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- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- UNRFQJSWBQGLDR-UHFFFAOYSA-N methane trihydrofluoride Chemical compound C.F.F.F UNRFQJSWBQGLDR-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical compound FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- AHLBNYSZXLDEJQ-FWEHEUNISA-N orlistat Chemical compound CCCCCCCCCCC[C@H](OC(=O)[C@H](CC(C)C)NC=O)C[C@@H]1OC(=O)[C@H]1CCCCCC AHLBNYSZXLDEJQ-FWEHEUNISA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
- OYQCBJZGELKKPM-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O-2].[Zn+2].[O-2].[In+3] OYQCBJZGELKKPM-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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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
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Abstract
Description
도 2의 (a) 및 (b)는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 3은 전기로의 단면도이다.
도 4의 (a) 내지 (d)는 본 발명의 일 실시예를 나타내는 반도체 장치의 제작 공정의 단면도이다.
도 5의 (a) 및 (b)는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 6의 (a) 내지 (d)는 본 발명의 일 실시예에 따른 반도체 장치의 제작 공정의 단면도이다.
도 7의 (a) 내지 (c)는 본 발명의 일 실시예에 따른 반도체 장치의 제작 공정의 단면도이다.
도 8은 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 9의 (a1) 및 (a2)는 본 발명의 일 실시예에 따른 반도체 장치를 설명하며, 도 9의 (b1) 및 (b2)도 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 10의 (a) 내지 (d)는 본 발명의 일 실시예를 나타내는 반도체 장치의 제작 방법을 설명한다.
도 11은 본 발명의 일 실시예를 나타내는 반도체 장치를 설명한다.
도 12는 본 발명의 일 실시예를 나타내는 반도체 장치를 설명한다.
도 13의 (a) 내지 (c)는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 14의 (a) 및 (b)는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 15는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 16의 (a) 및 (b)는 표시 장치의 블록도를 각각 설명한다.
도 17의 (a) 및 (b)는 신호선 구동 회로의 구성을 설명한다.
도 18의 (a) 내지 (c)는 시프트 레지스터의 구성을 도시하는 회로도이다.
도 19의 (a) 및 (b)는 시프트 레지스터의 동작을 설명한다.
도 20의 (a1), (a2) 및 (b)는 본 발명의 일 실시예에 따른 반도체 장치를 각각 설명한다.
도 21은 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 22는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 23은 본 발명의 일 실시예에 따른 반도체 장치의 화소 등가 회로를 설명한다.
도 24의 (a) 내지 (c)는 본 발명의 일 실시예에 따른 반도체 장치를 각각 설명한다.
도 25의 (a) 및 (b)는 본 발명의 일 실시예에 따른 반도체 장치를 설명한다.
도 26은 e-북 리더의 일례를 나타내는 외관도이다.
도 27의 (a) 및 (b)는 텔레비전 세트의 일례 및 디지털 포토 프레임의 일례를 각각 나타내는 외관도이다.
도 28의 (a) 및 (b)는 오락기의 예를 나타내는 외관도이다.
도 29의 (a) 및 (b)는 휴대 전화기의 일례를 나타내는 외관도이다.
도 30의 (a) 및 (b)는 산소 분자와 산화물 반도체층 표면의 상호 작용을 시뮬레이션한 결과를 나타낸다.
도 31은 계산에서 이용한 산화물 반도체층의 구조를 설명하는 도면이다.
도 32는 산화물 반도체층의 산소 밀도의 측정 결과를 나타내는 그래프이다.
도 33의 (a) 내지 (c)는 산소와 산화물 반도체층 표면의 상호작용을 설명한다.
402: 게이트 절연층
430: 산화물 반도체층
405a, 405b: 소스 전극층, 드레인 전극층
407: 산화물 절연막
Claims (7)
- 액정 표시 장치의 제작 방법으로서,
절연 표면을 갖는 기판 위에 게이트 전극을 형성하고,
상기 게이트 전극 위에 게이트 절연막을 형성하고,
상기 게이트 절연막 위에, In과 Ga와 Zn을 포함하는 산화물 반도체층을 형성하고,
수분 또는 수소가 저감된 기체 분위기 하에서, 상기 산화물 반도체층에 제1 가열을 행하고,
상기 제1 가열 후에, 수분 또는 수소가 저감된 기체 분위기 하에서, 상기 산화물 반도체층을 냉각하고,
상기 냉각 후에, 상기 산화물 반도체층 위에 소스 전극층 및 드레인 전극층을 형성하고,
상기 소스 전극층, 상기 드레인 전극층, 및 상기 산화물 반도체층 위에, 상기 산화물 반도체층의 일부와 접하는 산화물 절연층을 형성하고,
상기 산화물 절연층 형성 후에, 제2 가열을 행하고,
상기 제2 가열 후에, 상기 소스 전극층 또는 상기 드레인 전극층에 전기적으로 접속되는 화소 전극을 형성하는, 액정 표시 장치의 제작 방법. - 액정 표시 장치의 제작 방법으로서,
절연 표면을 갖는 기판 위에 게이트 전극을 형성하고,
상기 게이트 전극 위에 게이트 절연막을 형성하고,
상기 게이트 절연막 위에, In과 Ga와 Zn을 포함하는 산화물 반도체층을 형성하고,
수분 또는 수소가 제거된 기체 분위기 하에서, 상기 산화물 반도체층에 제1 가열을 행하고,
상기 제1 가열 후에, 수분 또는 수소가 제거된 기체 분위기 하에서, 상기 산화물 반도체층을 냉각하고,
상기 냉각 후에, 상기 산화물 반도체층 위에 소스 전극층 및 드레인 전극층을 형성하고,
상기 소스 전극층, 상기 드레인 전극층, 및 상기 산화물 반도체층 위에, 상기 산화물 반도체층의 일부와 접하는 산화물 절연층을 형성하고,
상기 산화물 절연층 형성 후에, 제2 가열을 행하고,
상기 제2 가열 후에, 상기 소스 전극층 또는 상기 드레인 전극층에 전기적으로 접속되는 화소 전극을 형성하는, 액정 표시 장치의 제작 방법. - 액정 표시 장치의 제작 방법으로서,
절연 표면을 갖는 기판 위에 게이트 전극을 형성하고,
상기 게이트 전극 위에 게이트 절연막을 형성하고,
상기 게이트 절연막 위에, In과 Ga와 Zn을 포함하는 산화물 반도체층을 형성하고,
상기 산화물 반도체층에 제1 가열을 행하고,
상기 제1 가열 후에, 상기 산화물 반도체층을 냉각하고,
상기 제1 가열 및 상기 냉각은, 수분 또는 수소를 저감하는 장치에 의해 수분 또는 수소가 저감된 기체의 분위기에서 행해지고,
상기 냉각 후에, 상기 산화물 반도체층 위에 소스 전극층 및 드레인 전극층을 형성하고,
상기 소스 전극층, 상기 드레인 전극층, 및 상기 산화물 반도체층 위에, 상기 산화물 반도체층의 일부와 접하는 산화물 절연층을 형성하고,
상기 산화물 절연층 형성 후에, 제2 가열을 행하고,
상기 제2 가열 후에, 상기 소스 전극층 또는 상기 드레인 전극층에 전기적으로 접속되는 화소 전극을 형성하는, 액정 표시 장치의 제작 방법. - 액정 표시 장치의 제작 방법으로서,
절연 표면을 갖는 기판 위에 게이트 전극을 형성하고,
상기 게이트 전극 위에 게이트 절연막을 형성하고,
상기 게이트 절연막 위에, In과 Ga와 Zn을 포함하는 산화물 반도체층을 형성하고,
상기 산화물 반도체층에 제1 가열을 행하고,
상기 제1 가열 후에, 상기 산화물 반도체층을 냉각하고,
상기 제1 가열 및 상기 냉각은, 수분 또는 수소를 제거하는 장치에 의해 수분 또는 수소가 제거된 기체의 분위기에서 행해지고,
상기 냉각 후에, 상기 산화물 반도체층 위에 소스 전극층 및 드레인 전극층을 형성하고,
상기 소스 전극층, 상기 드레인 전극층, 및 상기 산화물 반도체층 위에, 상기 산화물 반도체층의 일부와 접하는 산화물 절연층을 형성하고,
상기 산화물 절연층 형성 후에, 제2 가열을 행하고,
상기 제2 가열 후에, 상기 소스 전극층 또는 상기 드레인 전극층에 전기적으로 접속되는 화소 전극을 형성하는, 액정 표시 장치의 제작 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 제1 가열은, 상기 산화물 반도체층의 탈수화 또는 탈수소화를 위한 가열인, 액정 표시 장치의 제작 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 제1 가열은, 400℃ 이상 700℃ 이하의 온도에서 행해지고,
상기 제2 가열은, 150℃ 이상 350℃ 미만의 온도에서 행해지는, 액정 표시 장치의 제작 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 산화물 반도체층의 냉각은, 실온 이상 100℃ 미만까지 냉각하는, 액정 표시 장치의 제작 방법.
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