JP5229775B2 - 液晶表示装置の製造方法 - Google Patents
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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
- G02F1/1362—Active matrix addressed cells
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
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- 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
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
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- 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
- H10D86/441—Interconnections, e.g. scanning lines
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- 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
-
- 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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
-
- 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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
- G02F1/136236—Active matrix addressed cells for reducing the number of lithographic steps using a grey or half tone lithographic process
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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
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/136295—Materials; Compositions; Manufacture processes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
83 連結橋
110 絶縁基板
120 ゲート層
121 ゲート線
124 ゲート電極
131 維持電極線
133a、133b 維持電極
140 ゲート絶縁膜
150 真性非晶質シリコン層
154 半導体層
160 不純物非晶質シリコン層
171 データ線
173 ソース電極
175 ドレーン電極
180 保護膜
191 画素電極
81、82 接触補助部材
Claims (9)
- 絶縁基板上にゲート線を形成する段階と、
前記ゲート線上にゲート絶縁膜を形成する段階と、
前記ゲート絶縁膜上に真性半導体層とドーピングされた半導体層を含む半導体層及びデータ層を順次に形成する段階と、
前記データ層上に感光膜を形成する段階と、
前記感光膜を所定の光マスクを介して露光及び現像して、第1領域、前記第1領域より厚さが薄い第2領域、前記第2領域より厚さが薄い第3領域及び前記光マスクの光遮断層が存在しない第4領域を有する第1感光膜パターンを形成する段階と、
前記第1感光膜パターンをマスクとして、前記第4領域下部の前記データ層、前記半導体層及び前記ゲート絶縁膜をエッチングする段階と、
前記第1感光膜パターンをアッシングして、前記第3領域下部の前記データ層を露出する第2感光膜パターンを形成する段階と、
前記第2感光膜パターンをマスクとして、前記データ層及び前記半導体層をエッチングし、予備ソースドレーンパターン及び端部を含むデータ線、及び半導体パターンを形成する段階と、
前記第2感光膜パターンをアッシングして、前記第2領域下部の前記予備ソースドレーンパターンを露出する第3感光膜パターンを形成する段階と、
前記第3感光膜パターンをマスクとして、前記露出された予備ソースドレーンパターンをエッチングしてソース及びドレーン電極を形成する段階と、
前記第3感光膜パターンを除去する段階と、
を含み、
前記第1感光膜パターンをマスクとして、前記第4領域下の前記データ層、前記半導体層及び前記ゲート絶縁膜をエッチングする段階と、前記第2感光膜パターンをマスクとして前記データ層及び前記半導体層をエッチングしてデータパターン及び半導体パターンを形成する段階と、第3感光膜パターンをマスクとして前記露出されたデータパターンをエッチングしてデータ線及びドレーン電極を形成する段階とにおいて、各々前記ゲート絶縁膜を一部ずつ除去することによって完全に除去することを特徴とする液晶表示装置の製造方法。 - 前記所定の光マスクは、遮光領域、スリット領域、透過領域及び半透過領域を有することを特徴とする請求項1に記載の液晶表示装置の製造方法。
- 前記感光膜の露光及び現像時の前記遮光領域は前記第1領域、前記スリット領域は前記第2領域、前記半透過領域は前記第3領域、前記透過領域は前記第4領域と各々対応するように前記光マスクを配置することを特徴とする請求項2に記載の液晶表示装置の製造方法。
- 前記データ線及びドレーン電極上に保護膜を形成する段階と、
前記保護膜をエッチングして前記ドレーン電極を露出する第1接触孔を形成する段階と、をさらに含むことを特徴とする請求項1〜3のいずれか一項に記載の液晶表示装置の製造方法。 - 前記ゲート線は端部を含み、前記第1接触孔の形成段階において、前記ゲート線の端部を露出する第2接触孔を形成することを特徴とする請求項4に記載の液晶表示装置の製造方法。
- 前記第1及び第2接触孔の断面積が上へ行くほど次第に広がる正テーパ構造を成していることを特徴とする請求項4または5に記載の液晶表示装置の製造方法。
- 前記ゲート絶縁膜は、400乃至500Åの厚さで形成することを特徴とする請求項1〜6のいずれか一項に記載の液晶表示装置の製造方法。
- 前記第1感光膜パターンをマスクとして、前記第4領域下の前記データ層、前記半導体層及び前記ゲート絶縁膜をエッチングする段階を経た後、前記第4領域と対応する前記ゲート線の端部上の前記ゲート絶縁膜は、500Å乃至800Åの厚さを有することを特徴とする請求項1〜6のいずれか一項に記載の液晶表示装置の製造方法。
- 前記第2感光膜パターンをマスクとして、前記データ層及び前記半導体層をエッチングしてデータパターン及び半導体パターンを形成する段階を経た後、前記ゲート線の端部上の前記ゲート絶縁膜は200Å未満の厚さを有することを特徴とする請求項7に記載の液晶表示装置の製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2006-0085089 | 2006-09-05 | ||
| KR1020060085089A KR101282404B1 (ko) | 2006-09-05 | 2006-09-05 | 액정 표시 장치의 제조 방법 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008066723A JP2008066723A (ja) | 2008-03-21 |
| JP2008066723A5 JP2008066723A5 (ja) | 2011-08-11 |
| JP5229775B2 true JP5229775B2 (ja) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007224357A Active JP5229775B2 (ja) | 2006-09-05 | 2007-08-30 | 液晶表示装置の製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7868958B2 (ja) |
| EP (1) | EP1898255B1 (ja) |
| JP (1) | JP5229775B2 (ja) |
| KR (1) | KR101282404B1 (ja) |
| CN (1) | CN101221925B (ja) |
| DE (1) | DE602007014301D1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101522615B1 (ko) * | 2008-11-05 | 2015-05-22 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
| JP6076038B2 (ja) | 2011-11-11 | 2017-02-08 | 株式会社半導体エネルギー研究所 | 表示装置の作製方法 |
| KR102479019B1 (ko) * | 2015-03-05 | 2022-12-19 | 삼성디스플레이 주식회사 | 플렉서블 표시장치 |
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| KR100640620B1 (ko) * | 2004-12-27 | 2006-11-02 | 삼성전자주식회사 | 트윈비트 셀 구조의 nor형 플래쉬 메모리 소자 및 그제조 방법 |
| TWI368327B (en) * | 2005-01-17 | 2012-07-11 | Samsung Electronics Co Ltd | Optical mask and manufacturing method of thin film transistor array panel using the optical mask |
| JP4301259B2 (ja) * | 2005-09-13 | 2009-07-22 | エプソンイメージングデバイス株式会社 | 液晶表示装置及びその製造方法 |
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2006
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- 2007-08-31 US US11/897,769 patent/US7868958B2/en active Active
- 2007-09-04 EP EP07017301A patent/EP1898255B1/en active Active
- 2007-09-04 DE DE602007014301T patent/DE602007014301D1/de active Active
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| Publication number | Publication date |
|---|---|
| US7868958B2 (en) | 2011-01-11 |
| KR101282404B1 (ko) | 2013-07-04 |
| KR20080021909A (ko) | 2008-03-10 |
| US20080106685A1 (en) | 2008-05-08 |
| EP1898255B1 (en) | 2011-05-04 |
| DE602007014301D1 (de) | 2011-06-16 |
| EP1898255A1 (en) | 2008-03-12 |
| CN101221925B (zh) | 2011-06-29 |
| CN101221925A (zh) | 2008-07-16 |
| JP2008066723A (ja) | 2008-03-21 |
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