KR100336892B1 - Tft-lcd - Google Patents
Tft-lcd Download PDFInfo
- Publication number
- KR100336892B1 KR100336892B1 KR10-1998-0055666A KR19980055666A KR100336892B1 KR 100336892 B1 KR100336892 B1 KR 100336892B1 KR 19980055666 A KR19980055666 A KR 19980055666A KR 100336892 B1 KR100336892 B1 KR 100336892B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- gate
- active layer
- tft
- layer
- Prior art date
Links
- 238000002161 passivation Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 229910004205 SiNX Inorganic materials 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 14
- 239000010409 thin film Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
Classifications
-
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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
- H01L27/124—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 layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- 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
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (7)
- 상부에 게이트 라인에서 연장된 게이트 전극이 형성된 절연기판과, 상기 기판 전면에 형성된 게이트 절연막과, 상기 게이트 전극에 대향하여 상기 게이트 절연막 상에 형성된 액티브층과, 상기 액티브층의 상면 일부를 노출시키면서 상기 액티브층에 걸쳐서 형성된 소오스 및 드레인 전극과, 상기 소오스 및 드레인 전극과 상기 액티브층 사이에 개재된 오믹층을 구비한 TFT-LCD에 있어서,상기 기판 전면에 형성되고 상기 소오스 전극의 일부를 노출시키는 제 1 콘택홀과 상기 게이트 전극 양 측의 게이트 라인의 일부를 각각 노출시키는 제 2 및 제 3 콘택홀을 구비한 패시배이션층과,상기 패시배이션층 상에 형성되고 상기 제 1 콘택홀을 통하여 상기 소오스 전극과 콘택하는 화소전극과,상기 패시배이션층 상에서 상기 게이트 전극과 오버랩되어 형성되고 상기 제 2 및 제 3 콘택홀을 통하여 상기 게이트 라인과 콘택하는 상부전극을 포함하고,상기 게이트 라인에 전압신호가 인가될 때, 상기 액티브층에는 두 개의 채널이 형성되는 것을 특징으로 하는 TFT-LCD.
- 제 1 항에 있어서, 상기 두 개의 채널은 상기 게이트 전극 상부의 상기 게이트 절연막과 상기 액티브층 사이와, 상기 상부전극 하부의 상기 패시배이션층과 상기 액티브층 사이에서 각각 형성되는 것을 특징으로 하는 TFT-LCD.
- 제 1 항에 있어서, 상기 상부전극은 상기 화소전극과 동일한 물질로 이루어진 것을 특징으로 하는 TFT-LCD.
- 제 3 항에 있어서, 상기 상부전극과 상기 화소전극은 ITO막으로 이루어진 것을 특징으로 하는 TFT-LCD.
- 제 1 항에 있어서, 상기 게이트 절연막은 SiOx막과 SiNx막의 적층막으로 이루어진 것을 특징으로 하는 TFT-LCD.
- 제 1 항에 있어서, 상기 액티브층은 a-Si : H과 같은 반도체층으로 이루어진 것을 특징으로 하는 TFT-LCD.
- 제 1 항에 있어서, 상기 패시배이션막은 SiNx막으로 이루어진 것을 특징으로 하는 TFT-LCD.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0055666A KR100336892B1 (ko) | 1998-12-17 | 1998-12-17 | Tft-lcd |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0055666A KR100336892B1 (ko) | 1998-12-17 | 1998-12-17 | Tft-lcd |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000040114A KR20000040114A (ko) | 2000-07-05 |
KR100336892B1 true KR100336892B1 (ko) | 2003-06-12 |
Family
ID=19563344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-1998-0055666A KR100336892B1 (ko) | 1998-12-17 | 1998-12-17 | Tft-lcd |
Country Status (1)
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KR (1) | KR100336892B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100398590B1 (ko) * | 2001-05-17 | 2003-09-19 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치의 제조방법 |
KR101107697B1 (ko) * | 2005-04-19 | 2012-01-25 | 엘지디스플레이 주식회사 | 박막 트랜지스터 및 이를 구비한 액정표시장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03148636A (ja) * | 1989-11-06 | 1991-06-25 | Toshiba Corp | アクティブマトリクス型液晶表示素子の製造方法 |
JPH03149884A (ja) * | 1989-11-07 | 1991-06-26 | Toppan Printing Co Ltd | 薄膜トランジスタ |
JPH0682826A (ja) * | 1992-09-03 | 1994-03-25 | Sharp Corp | アクティブマトリクス基板およびその製造方法 |
JPH09153621A (ja) * | 1995-12-01 | 1997-06-10 | Sharp Corp | 薄膜トランジスタおよびその製造方法と、それを用いた液晶表示装置 |
JPH1082991A (ja) * | 1996-09-09 | 1998-03-31 | Toshiba Corp | 液晶表示装置 |
-
1998
- 1998-12-17 KR KR10-1998-0055666A patent/KR100336892B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03148636A (ja) * | 1989-11-06 | 1991-06-25 | Toshiba Corp | アクティブマトリクス型液晶表示素子の製造方法 |
JPH03149884A (ja) * | 1989-11-07 | 1991-06-26 | Toppan Printing Co Ltd | 薄膜トランジスタ |
JPH0682826A (ja) * | 1992-09-03 | 1994-03-25 | Sharp Corp | アクティブマトリクス基板およびその製造方法 |
JPH09153621A (ja) * | 1995-12-01 | 1997-06-10 | Sharp Corp | 薄膜トランジスタおよびその製造方法と、それを用いた液晶表示装置 |
JPH1082991A (ja) * | 1996-09-09 | 1998-03-31 | Toshiba Corp | 液晶表示装置 |
Also Published As
Publication number | Publication date |
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KR20000040114A (ko) | 2000-07-05 |
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