JP2008072018A - 表示装置及びその製造方法 - Google Patents
表示装置及びその製造方法 Download PDFInfo
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- JP2008072018A JP2008072018A JP2006250778A JP2006250778A JP2008072018A JP 2008072018 A JP2008072018 A JP 2008072018A JP 2006250778 A JP2006250778 A JP 2006250778A JP 2006250778 A JP2006250778 A JP 2006250778A JP 2008072018 A JP2008072018 A JP 2008072018A
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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
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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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/40—Crystalline structures
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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
- H10D86/0221—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
- H10D86/0227—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials using structural arrangements to control crystal growth, e.g. placement of grain filters
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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
- H10D86/411—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
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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
- H10D86/481—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 integrated with passive devices, e.g. auxiliary capacitors
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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
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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
- H10D86/80—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 passive components, e.g. resistors, capacitors or inductors
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- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Recrystallisation Techniques (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
【解決手段】本発明にかかる表示装置は、基板1上に設けられた信号線9と、基板1上に信号線9と離間して設けられた導電性膜12と、信号線9、及び導電性膜12の上に設けられた下地絶縁膜と、下地絶縁膜の上に設けられたポリシリコン膜4と、ポリシリコン膜4の上に形成された層間絶縁膜7と、層間絶縁膜7の上に形成された画素電極11と、層間絶縁膜7の上に画素電極11と離間して形成され、ポリシリコン膜4と信号線9とを接続する接続パターン15と、を備え、下部に導電性膜12が形成されたポリシリコン膜4の結晶粒径が、下部に導電性膜12が形成されていないポリシリコン膜4の結晶粒径よりも大きい。
【選択図】図4
Description
4a ポリシリコン膜、 4b ポリシリコン膜、 5 ゲート絶縁膜、
6 ゲート配線 、6a ゲート電極、 7 層間絶縁膜、 8 コンタクトホール、
9 信号線、 10 保護膜、 11 画素電極層、 12 導電性膜、
13 保持容量電極、 14 保持容量配線、 15 接続パターン、
21、22、23、24、31、32、33 コンタクトホール、
110 基板、 111 表示領域、 112 額縁領域、
113 ゲート配線(走査信号線)、 114 信号線(表示信号線)、
115 走査信号駆動回路部、 116 表示信号駆動回路部、 117 画素、
118 外部配線、 119 外部配線、 120 TFT、 130 TFT
Claims (9)
- 基板上に設けられた信号線と、
前記基板上に前記信号線と離間して設けられた導電性膜と、
前記信号線、及び前記導電性膜の上に設けられた下地絶縁膜と、
前記下地絶縁膜の上に設けられたポリシリコン膜と、
前記ポリシリコン膜の上に形成された層間絶縁膜と、
前記層間絶縁膜の上に形成された画素電極と、
前記層間絶縁膜の上に前記画素電極と離間して形成され、前記ポリシリコン膜と前記信号線とを接続する接続パターンと、を備え、
下部に前記導電性膜が形成された前記ポリシリコン膜の結晶粒径が、下部に前記導電性膜が形成されていないポリシリコン膜の結晶粒径よりも大きい表示装置。 - 前記基板上に前記信号線、前記導電性膜、及び保持容量電極を備える請求項1に記載の表示装置。
- 下部に前記導電性膜を有する前記ポリシリコン膜が表示領域外の駆動回路部に設けられ、下部に前記導電性膜を有しない前記ポリシリコン膜が表示領域内の画素に設けられている請求項1又は2に記載の表示装置。
- 下部に前記導電性膜を有する前記ポリシリコン膜は、前記導電性膜と略同幅に設けられている請求項1乃至3のいずれかに記載の表示装置。
- 基板上に信号線、及び導電性膜を形成する工程と、
前記信号線、及び導電性膜の上に下地絶縁膜を形成する工程と、
前記下地絶縁膜の上にアモルファスシリコン膜を形成する工程と、
前記アモルファスシリコン膜を加熱してポリシリコン膜を形成する工程と、
前記ポリシリコン膜の上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜の上に、ポリシリコン膜のチャネル領域と対向配置されるゲート電極を形成する工程と、
前記ゲート電極の上に、層間絶縁膜を形成する工程と、
前記層間絶縁膜の上に画素電極と、前記信号線と前記ポリシリコン膜を電気的に接続する接続パターンと、を形成する工程と、を備え、
下部に前記導電性膜が形成された前記ポリシリコン膜の結晶粒径が、下部に前記導電性膜が形成されていない前記ポリシリコン膜の結晶粒径よりも大きい表示装置の製造方法。 - 前記基板上に前記信号線、前記導電性膜、及び保持容量電極を形成する工程を備える請求項5に記載の表示装置の製造方法。
- 前記ポリシリコン膜を形成する際、光の波長が532nmのYAGレーザによるレーザアニール法を用いる請求項5又は6に記載の表示装置の製造方法。
- 下部に前記導電性膜を有する前記ポリシリコン膜が表示領域外の駆動回路部に設けられ、下部に前記導電性膜を有しない前記ポリシリコン膜が表示領域内の画素に設けられている請求項5乃至7のいずれかに記載の表示装置の製造方法。
- 前記基板上に前記信号線、及び前記導電性膜を同時に形成する請求項5乃至8のいずれかに記載の表示装置の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006250778A JP5032077B2 (ja) | 2006-09-15 | 2006-09-15 | 表示装置及びその製造方法 |
| TW096129830A TW200813580A (en) | 2006-09-15 | 2007-08-13 | Display unit and manufacturing method thereof |
| US11/838,571 US20080068698A1 (en) | 2006-09-15 | 2007-08-14 | Display unit and manufacturing method thereof |
| KR1020070089299A KR100879041B1 (ko) | 2006-09-15 | 2007-09-04 | 표시 장치 및 그 제조 방법 |
| CNA2007101536800A CN101144948A (zh) | 2006-09-15 | 2007-09-14 | 显示装置及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006250778A JP5032077B2 (ja) | 2006-09-15 | 2006-09-15 | 表示装置及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008072018A true JP2008072018A (ja) | 2008-03-27 |
| JP5032077B2 JP5032077B2 (ja) | 2012-09-26 |
Family
ID=39188286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006250778A Expired - Fee Related JP5032077B2 (ja) | 2006-09-15 | 2006-09-15 | 表示装置及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080068698A1 (ja) |
| JP (1) | JP5032077B2 (ja) |
| KR (1) | KR100879041B1 (ja) |
| CN (1) | CN101144948A (ja) |
| TW (1) | TW200813580A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2061029A2 (en) | 2007-06-13 | 2009-05-20 | Sharp Kabushiki Kaisha | Hologram element deflecting optical beam, hologram element fabricating apparatus, hologram element fabricating method, deflection optical unit, and information recording apparatus and information reconstructing apparatus using deflection optical unit |
| JP2010147368A (ja) * | 2008-12-22 | 2010-07-01 | Seiko Epson Corp | 表示装置、電子機器および表示装置の製造方法 |
| WO2012140866A1 (ja) * | 2011-04-14 | 2012-10-18 | シャープ株式会社 | 半導体素子基板の製造方法及び半導体素子基板並びに表示装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017145911A1 (ja) * | 2016-02-23 | 2017-08-31 | シャープ株式会社 | 液晶表示装置 |
| CN108615680B (zh) * | 2018-04-28 | 2020-03-10 | 京东方科技集团股份有限公司 | 多晶硅层及其制造方法、薄膜晶体管及阵列基板的制造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI244571B (en) * | 2002-01-30 | 2005-12-01 | Sanyo Electric Co | Semiconductor display device |
| KR100864494B1 (ko) * | 2002-06-17 | 2008-10-20 | 삼성전자주식회사 | 다결정 규소 박막 트랜지스터 어레이 기판 및 그의 제조방법 |
| JP4245915B2 (ja) * | 2002-12-24 | 2009-04-02 | シャープ株式会社 | 薄膜トランジスタの製造方法及び表示デバイスの製造方法 |
| US7184106B2 (en) * | 2004-02-26 | 2007-02-27 | Au Optronics Corporation | Dielectric reflector for amorphous silicon crystallization |
-
2006
- 2006-09-15 JP JP2006250778A patent/JP5032077B2/ja not_active Expired - Fee Related
-
2007
- 2007-08-13 TW TW096129830A patent/TW200813580A/zh unknown
- 2007-08-14 US US11/838,571 patent/US20080068698A1/en not_active Abandoned
- 2007-09-04 KR KR1020070089299A patent/KR100879041B1/ko not_active Expired - Fee Related
- 2007-09-14 CN CNA2007101536800A patent/CN101144948A/zh active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2061029A2 (en) | 2007-06-13 | 2009-05-20 | Sharp Kabushiki Kaisha | Hologram element deflecting optical beam, hologram element fabricating apparatus, hologram element fabricating method, deflection optical unit, and information recording apparatus and information reconstructing apparatus using deflection optical unit |
| JP2010147368A (ja) * | 2008-12-22 | 2010-07-01 | Seiko Epson Corp | 表示装置、電子機器および表示装置の製造方法 |
| WO2012140866A1 (ja) * | 2011-04-14 | 2012-10-18 | シャープ株式会社 | 半導体素子基板の製造方法及び半導体素子基板並びに表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080068698A1 (en) | 2008-03-20 |
| JP5032077B2 (ja) | 2012-09-26 |
| CN101144948A (zh) | 2008-03-19 |
| KR100879041B1 (ko) | 2009-01-15 |
| KR20080025306A (ko) | 2008-03-20 |
| TW200813580A (en) | 2008-03-16 |
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