KR100521275B1 - 씨모스 박막 트래지스터 및 이를 사용한 디스플레이디바이스 - Google Patents
씨모스 박막 트래지스터 및 이를 사용한 디스플레이디바이스 Download PDFInfo
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- KR100521275B1 KR100521275B1 KR10-2003-0038826A KR20030038826A KR100521275B1 KR 100521275 B1 KR100521275 B1 KR 100521275B1 KR 20030038826 A KR20030038826 A KR 20030038826A KR 100521275 B1 KR100521275 B1 KR 100521275B1
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- KR
- South Korea
- Prior art keywords
- thin film
- film transistor
- type thin
- cmos
- polysilicon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010409 thin film Substances 0.000 title claims abstract description 136
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 29
- 229920005591 polysilicon Polymers 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000013078 crystal Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 22
- 229910004205 SiNX Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 19
- 229910021417 amorphous silicon Inorganic materials 0.000 description 17
- 239000012535 impurity Substances 0.000 description 12
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000005499 laser crystallization Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/425—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer having different crystal properties in different TFTs or within an individual TFT
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
- H10D86/0223—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/411—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by materials, geometry or structure of the substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/427—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer having different thicknesses of the semiconductor bodies in different TFTs
Landscapes
- Thin Film Transistor (AREA)
Abstract
Description
Claims (11)
- 액티브 채널 영역에 포함되는 기판 위에 형성되는 P형 박막 트랜지스터의 폴리 실리콘의 두께보다 N형 박막 트랜지스터의 폴리 실리콘의 두께가 더 두꺼우며, 상기 N형 박막 트랜지스터에 포함되는 결정립의 크기가 상기 P형 박막 트랜지스터에 포함되는 결정립의 크기보도 작은 것을 특징으로 하는 CMOS 박막 트랜지스터.
- 제 1항에 있어서,상기 P형 박막 트랜지스터의 폴리 실리콘의 두께는 300 내지 800 Å인 CMOS 박막 트랜지스터.
- 제 1항에 있어서,상기 N형 박막 트랜지스터의 폴리 실리콘의 두께는 500 내지 1,500 Å인 CMOS 박막 트랜지스터.
- 제 1항에 있어서,상기 폴리 실리콘은 ELA(Eximer Laser Anealing) 결정화법에 의하여 제조되는 것인 CMOS 박막 트랜지스터.
- 제 1항에 있어서,상기 CMOS 박막 트랜지스터는 LDD 구조 또는 오프-셋 구조를 포함하는 것인 CMOS 박막 트랜지스터.
- 기판;상기 기판 위에 형성되어 있는 버퍼층; 및상기 버퍼층 위에 형성되어 있는 폴리 실리콘막을 포함하는 P형 박막 트랜지스터와 N형 박막 트랜지스터로 이루어진 CMOS 박막 트랜지스터에 있어서,상기 P형 박막 트랜지스터는 상기 기판과 상기 버퍼층 사이에 절연층을 포함하는 것을 특징으로 하는 CMOS 박막 트랜지스터.
- 제 6항에 있어서,상기 버퍼층은 SiO2 이고, 상기 절연층은 SiNx로 형성되는 것인 CMOS 박막 트랜지스터.
- 제 6항에 있어서,상기 폴리 실리콘은 ELA(Eximer Laser Anealing) 결정화법에 의하여 제조되는 것인 CMOS 박막 트랜지스터.
- 제 6항에 있어서,상기 CMOS 박막 트랜지스터는 LDD 구조 또는 오프-셋 구조를 포함하는 것인 CMOS 박막 트랜지스터.
- 제 1항 또는 제 6항의 CMOS 박막 트랜지스터를 사용하는 것을 특징으로 하는 디스플레이 디바이스.
- 제 10항에 있어서,상기 디스플레이 디바이스는 액정 표시 소자 또는 유기 전계 발광 디스플레이 디바이스인 디스플레이 디바이스.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0038826A KR100521275B1 (ko) | 2003-06-16 | 2003-06-16 | 씨모스 박막 트래지스터 및 이를 사용한 디스플레이디바이스 |
US10/754,543 US7385223B2 (en) | 2003-04-24 | 2004-01-12 | Flat panel display with thin film transistor |
CNB2004100032831A CN100419816C (zh) | 2003-04-24 | 2004-02-03 | 具有薄膜晶体管的平板显示器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0038826A KR100521275B1 (ko) | 2003-06-16 | 2003-06-16 | 씨모스 박막 트래지스터 및 이를 사용한 디스플레이디바이스 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040108084A KR20040108084A (ko) | 2004-12-23 |
KR100521275B1 true KR100521275B1 (ko) | 2005-10-13 |
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KR10-2003-0038826A Expired - Fee Related KR100521275B1 (ko) | 2003-04-24 | 2003-06-16 | 씨모스 박막 트래지스터 및 이를 사용한 디스플레이디바이스 |
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KR (1) | KR100521275B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7085352B2 (ja) * | 2018-01-15 | 2022-06-16 | 株式会社ジャパンディスプレイ | 表示装置 |
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- 2003-06-16 KR KR10-2003-0038826A patent/KR100521275B1/ko not_active Expired - Fee Related
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