KR101190071B1 - 액정표시장치 및 그 제조방법 - Google Patents
액정표시장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR101190071B1 KR101190071B1 KR1020050134389A KR20050134389A KR101190071B1 KR 101190071 B1 KR101190071 B1 KR 101190071B1 KR 1020050134389 A KR1020050134389 A KR 1020050134389A KR 20050134389 A KR20050134389 A KR 20050134389A KR 101190071 B1 KR101190071 B1 KR 101190071B1
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- South Korea
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- active pattern
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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
-
- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
-
- 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
-
- 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
- H10D86/60—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 wherein the TFTs are in active matrices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 기판 위에 액티브패턴을 형성하되, 그 측면이 톱니 형태를 가지도록 액티브패턴을 형성하는 단계;상기 액티브패턴이 형성된 기판 위에 제 1 절연막을 형성하는 단계;상기 제 1 절연막이 형성된 액티브패턴의 상부에 상기 액티브패턴의 측면을 가로지르는 게이트전극을 형성하는 단계;상기 게이트전극이 형성된 기판 위에 제 2 절연막을 형성하는 단계;상기 제 2 절연막이 형성된 기판 위에 액티브패턴의 소오스영역과 드레인영역에 각각 전기적으로 접속하는 소오스전극과 드레인전극을 형성하는 단계;상기 소오스전극과 드레인전극이 형성된 기판 위에 제 3 절연막을 형성하는 단계; 및상기 제 3 절연막이 형성된 기판 위에 상기 드레인전극과 전기적으로 접속하는 화소전극을 형성하는 단계를 포함하는 액정표시장치의 제조방법.
- 제 1 항에 있어서, 상기 액티브패턴은 실리콘층으로 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 1 항에 있어서, 상기 액티브패턴의 측면은 삼각의 톱니 형태를 가지는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 1 항에 있어서, 상기 액티브패턴의 측면은 사각의 톱니 형태를 가지는 것 을 특징으로 하는 액정표시장치의 제조방법.
- 제 1 항에 있어서, 상기 게이트전극은 습식식각을 이용하여 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 5 항에 있어서, 상기 게이트전극의 패터닝 시 식각액의 침투 경로가 길어지도록 상기 액티브패턴의 측면에 톱니 형태를 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 삭제
- 기판 위에 형성되며, 그 측면이 톱니 형태를 가진 액티브패턴;상기 액티브패턴이 형성된 기판 위에 형성된 제 1 절연막;상기 제 1 절연막이 형성된 액티브패턴의 상부에 상기 액티브패턴의 측면을 가로지르도록 형성된 게이트전극;상기 게이트전극이 형성된 기판 위에 형성된 제 2 절연막;상기 제 2 절연막이 형성된 기판 위에 형성되며, 상기 액티브패턴의 소오스영역과 드레인영역에 각각 전기적으로 접속하는 소오스전극과 드레인전극;상기 소오스전극과 드레인전극이 형성된 기판 위에 형성된 제 3 절연막; 및상기 제 3 절연막이 형성된 기판 위에 형성되며, 상기 드레인전극과 전기적으로 접속하는 화소전극을 포함하는 액정표시장치.
- 제 8 항에 있어서, 상기 액티브패턴의 측면은 삼각의 톱니 형태를 가지는 것을 특징으로 하는 액정표시장치.
- 제 8 항에 있어서, 상기 액티브패턴의 측면은 사각의 톱니 형태를 가지는 것을 특징으로 하는 액정표시장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050134389A KR101190071B1 (ko) | 2005-12-29 | 2005-12-29 | 액정표시장치 및 그 제조방법 |
| US11/476,092 US8355089B2 (en) | 2005-12-29 | 2006-06-28 | Liquid crystal display device and fabrication method thereof |
| CNB2006101005949A CN100573284C (zh) | 2005-12-29 | 2006-06-30 | 液晶显示装置及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050134389A KR101190071B1 (ko) | 2005-12-29 | 2005-12-29 | 액정표시장치 및 그 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070071166A KR20070071166A (ko) | 2007-07-04 |
| KR101190071B1 true KR101190071B1 (ko) | 2012-10-12 |
Family
ID=38213888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050134389A Expired - Lifetime KR101190071B1 (ko) | 2005-12-29 | 2005-12-29 | 액정표시장치 및 그 제조방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8355089B2 (ko) |
| KR (1) | KR101190071B1 (ko) |
| CN (1) | CN100573284C (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11765936B2 (en) | 2020-10-22 | 2023-09-19 | Samsung Display Co., Ltd. | Display device including a semiconductor layer having a region with a widened width |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120051002A (zh) * | 2025-01-24 | 2025-05-27 | 惠科股份有限公司 | 驱动基板及其制作方法、显示面板、显示装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08330592A (ja) | 1995-05-31 | 1996-12-13 | Nec Corp | 薄膜トランジスタおよび液晶表示装置 |
| JP3425851B2 (ja) * | 1997-06-30 | 2003-07-14 | 日本電気株式会社 | 液晶表示装置用薄膜トランジスタ |
| US6559906B1 (en) * | 1998-01-30 | 2003-05-06 | Hitachi, Ltd. | Liquid crystal display device having gate electrode with two conducting layers, one used for self-aligned formation of the TFT semiconductor regions |
| JP3420201B2 (ja) * | 1999-12-22 | 2003-06-23 | 日本電気株式会社 | 液晶表示装置 |
| JP2001354968A (ja) * | 2000-06-09 | 2001-12-25 | Hitachi Ltd | アクティブ・マトリクス型液晶表示装置およびその液晶組成物質 |
| KR100491821B1 (ko) * | 2002-05-23 | 2005-05-27 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 어레이기판과 그 제조방법 |
| JP2005164854A (ja) * | 2003-12-01 | 2005-06-23 | Nec Lcd Technologies Ltd | 液晶表示装置 |
| KR100595454B1 (ko) * | 2003-12-23 | 2006-06-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
| JP2005209696A (ja) * | 2004-01-20 | 2005-08-04 | Seiko Epson Corp | 半導体装置の製造方法 |
| JP4221314B2 (ja) * | 2004-02-10 | 2009-02-12 | Nec液晶テクノロジー株式会社 | 薄膜トランジスタとそれを用いた液晶表示装置およびその薄膜トランジスタの製造方法 |
| KR101052960B1 (ko) | 2004-04-29 | 2011-07-29 | 엘지디스플레이 주식회사 | 반투과형 폴리실리콘 액정표시소자 제조방법 |
-
2005
- 2005-12-29 KR KR1020050134389A patent/KR101190071B1/ko not_active Expired - Lifetime
-
2006
- 2006-06-28 US US11/476,092 patent/US8355089B2/en active Active
- 2006-06-30 CN CNB2006101005949A patent/CN100573284C/zh active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11765936B2 (en) | 2020-10-22 | 2023-09-19 | Samsung Display Co., Ltd. | Display device including a semiconductor layer having a region with a widened width |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1991542A (zh) | 2007-07-04 |
| US8355089B2 (en) | 2013-01-15 |
| KR20070071166A (ko) | 2007-07-04 |
| US20070153150A1 (en) | 2007-07-05 |
| CN100573284C (zh) | 2009-12-23 |
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