KR100699987B1 - 높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 - Google Patents
높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 Download PDFInfo
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- KR100699987B1 KR100699987B1 KR1020010047334A KR20010047334A KR100699987B1 KR 100699987 B1 KR100699987 B1 KR 100699987B1 KR 1020010047334 A KR1020010047334 A KR 1020010047334A KR 20010047334 A KR20010047334 A KR 20010047334A KR 100699987 B1 KR100699987 B1 KR 100699987B1
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- 238000000034 method Methods 0.000 title claims description 28
- 239000003990 capacitor Substances 0.000 claims abstract description 174
- 239000004065 semiconductor Substances 0.000 claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000011159 matrix material Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 94
- 239000011229 interlayer Substances 0.000 claims description 58
- 238000005530 etching Methods 0.000 claims description 10
- 239000010408 film Substances 0.000 description 111
- 230000008569 process Effects 0.000 description 22
- 239000007772 electrode material Substances 0.000 description 12
- 238000002161 passivation Methods 0.000 description 12
- 239000010409 thin film Substances 0.000 description 12
- 229920002120 photoresistant polymer Polymers 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 10
- 239000007769 metal material Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
-
- 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
-
- 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
- H10D86/451—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 the compositions or shapes of the interlayer dielectrics
-
- 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
-
- 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
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1216—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being capacitors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (22)
- TFT 영역에 반도체층과 게이트 및 소오스/드레인 전극을 구비한 TFT 가 형성되고, 캐패시터영역에 캐패시터 상부전극 및 캐패시터 하부전극을 구비한 캐패시터가 형성된 평판표시소자에 있어서,상기 TFT 영역에서 상기 소오스/드레인 전극과 상기 게이트를 절연시켜주고 상기 캐패시터영역에서 상기 캐패시터 상부전극 및 캐패시터 하부전극사이의 유전체막으로 사용되는 절연막이 상기 TFT 영역보다 상기 캐패시터영역에서 상대적으로 얇게 형성된 것을 특징으로 하는 액티브 매트릭스형 평판표시소자.
- 제1항에 있어서, 상기 평판표시소자는 유기 EL 또는 LCD 중 하나인 것을 특징으로 하는 액티브 매트릭스형 평판표시소자.
- TFT 영역과 캐패시터영역을 구비한 절연기판과;상기 절연기판중 상기 TFT 영역상에 형성된 반도체층과;상기 반도체층을 포함한 상기 절연기판상에 형성된 게이트 절연막과;상기 TFT 영역의 상기 게이트 절연막상에 형성된 게이트와;상기 캐패시터 영역의 상기 게이트 절연막상에 형성된 캐패시터 하부전극과;상기 게이트와 캐패시터 하부전극을 포함한 게이트 절연막상에 형성되고, 상기 TFT 영역에서보다 상기 캐패시터 영역에서 그의 두께가 상대적으로 감소하며, 상기 반도체층을 노출시키는 콘택홀을 구비한 층간 절연막과;상기 층간 절연막의 콘택홀을 통해 상기 반도체층과 콘택되도록 상기 TFT 영역의 층간 절연막상에 형성된 소오스/드레인 전극과;상기 소오스/드레인 전극중 하나와 연결되어 상기 캐패시터 영역의 층간 절연막상에 형성된 캐패시터 상부전극을 포함하는 것을 특징으로 하는 액티브 매트릭스형 평판표시소자.
- 제3항에 있어서, 상기 평판표시소자는 유기 EL 또는 LCD 중 하나인 것을 특징으로 하는 액티브 매트릭스형 평판표시소자.
- TFT 영역과 캐패시터영역을 구비한 절연기판을 제공하는 단계와;상기 절연기판중 상기 TFT 영역상에 반도체층을 형성하는 단계와;상기 반도체층을 포함한 상기 절연기판상에 게이트 절연막을 형성하는 단계와;상기 게이트 절연막중 상기 TFT 영역상에 게이트를 형성하고, 상기 캐패시터 영역에 캐패시터 하부전극을 형성하는 단계와;상기 게이트와 캐패시터 하부전극을 포함한 게이트 절연막상에 층간 절연막을 형성하는 단계와;하프톤 마스크를 이용하여 상기 TFT 영역에서는 상기 반도체층이 노출되도록 상기 층간 절연막을 식각하여 콘택홀을 형성함과 동시에 상기 캐패시터영역에서는 상기 층간 절연막을 일정두께만큼만 식각하는 단계를 포함하는 것을 특징으로 하는 액티브 매트릭스형 평판표시소자의 제조방법.
- 제5항에 있어서, 상기 평판표시소자는 유기 EL 또는 LCD 중 하나인 것을 특징으로 하는 액티브 매트릭스형 평판표시소자의 제조방법.
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010047334A KR100699987B1 (ko) | 2001-08-06 | 2001-08-06 | 높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 |
US10/095,111 US6833666B2 (en) | 2001-08-06 | 2002-03-12 | Flat panel display with high capacitance and method of manufacturing the same |
CNB021569568A CN1222043C (zh) | 2001-08-06 | 2002-08-06 | 平板显示器及其制造方法 |
CNB2005100565031A CN100454604C (zh) | 2001-08-06 | 2002-08-06 | 平板显示器及其制造方法 |
US10/857,983 US6878584B2 (en) | 2001-08-06 | 2004-06-02 | Flat panel display with high capacitance and method of manufacturing the same |
US11/063,730 US7285459B2 (en) | 2001-08-06 | 2005-02-24 | Flat panel display with high capacitance and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010047334A KR100699987B1 (ko) | 2001-08-06 | 2001-08-06 | 높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060057620A Division KR100700500B1 (ko) | 2006-06-26 | 2006-06-26 | 높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030013047A KR20030013047A (ko) | 2003-02-14 |
KR100699987B1 true KR100699987B1 (ko) | 2007-03-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020010047334A Expired - Lifetime KR100699987B1 (ko) | 2001-08-06 | 2001-08-06 | 높은 캐패시턴스를 갖는 평판표시소자 및 그의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US6833666B2 (ko) |
KR (1) | KR100699987B1 (ko) |
CN (2) | CN100454604C (ko) |
Families Citing this family (34)
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KR100441435B1 (ko) * | 2002-05-31 | 2004-07-21 | 삼성에스디아이 주식회사 | 액티브 매트릭스 타입의 유기전계발광표시장치의 제조방법 |
KR100441436B1 (ko) * | 2002-06-17 | 2004-07-21 | 삼성에스디아이 주식회사 | 투과율이 향상된 평판표시장치 및 그의 제조방법 |
JP2004165621A (ja) * | 2002-09-20 | 2004-06-10 | Seiko Epson Corp | 半導体装置、電気光学装置、電子機器、半導体装置の製造方法 |
CN100419560C (zh) * | 2003-06-04 | 2008-09-17 | 统宝香港控股有限公司 | 用于制造液晶显示器的方法 |
KR100551046B1 (ko) * | 2003-08-28 | 2006-02-09 | 삼성에스디아이 주식회사 | 유기 이엘 소자 |
KR100611148B1 (ko) * | 2003-11-25 | 2006-08-09 | 삼성에스디아이 주식회사 | 박막트랜지스터, 그의 제조방법 및 이를 사용하는 유기전계발광소자 |
KR100589375B1 (ko) * | 2004-05-24 | 2006-06-14 | 삼성에스디아이 주식회사 | 커패시터 및 이를 이용하는 발광 표시 장치 |
CN100459101C (zh) * | 2004-07-19 | 2009-02-04 | 友达光电股份有限公司 | 显示像素及其制造方法 |
KR101043991B1 (ko) * | 2004-07-28 | 2011-06-24 | 엘지디스플레이 주식회사 | 액정표시소자 및 그 제조방법 |
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JP4063266B2 (ja) * | 2004-09-30 | 2008-03-19 | セイコーエプソン株式会社 | 薄膜半導体装置の製造方法、薄膜半導体装置、電気光学装置、および電子機器 |
KR100659761B1 (ko) | 2004-10-12 | 2006-12-19 | 삼성에스디아이 주식회사 | 반도체소자 및 그 제조방법 |
CN1317596C (zh) * | 2004-11-15 | 2007-05-23 | 友达光电股份有限公司 | 像素结构及其制造方法 |
KR100669789B1 (ko) * | 2004-11-26 | 2007-01-16 | 삼성에스디아이 주식회사 | 평판 디스플레이 장치 |
TWI285059B (en) * | 2005-04-15 | 2007-08-01 | Au Optronics Corp | Fabrication method for organic electroluminescent element comprising an LTPS-TFT |
KR100624319B1 (ko) * | 2005-05-11 | 2006-09-19 | 삼성에스디아이 주식회사 | 발광표시장치의 제조방법 |
KR101216169B1 (ko) * | 2005-06-30 | 2012-12-28 | 엘지디스플레이 주식회사 | 액정 표시 장치용 박막 트랜지스터 소자 및 그의 제조 방법 |
KR100683791B1 (ko) * | 2005-07-30 | 2007-02-20 | 삼성에스디아이 주식회사 | 박막 트랜지스터 기판 및 이를 구비한 평판 디스플레이장치 |
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CN100397622C (zh) * | 2006-09-25 | 2008-06-25 | 友达光电股份有限公司 | 主动组件阵列基板的制造方法 |
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Also Published As
Publication number | Publication date |
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US6878584B2 (en) | 2005-04-12 |
CN1222043C (zh) | 2005-10-05 |
US6833666B2 (en) | 2004-12-21 |
CN1668151A (zh) | 2005-09-14 |
CN100454604C (zh) | 2009-01-21 |
US20030025444A1 (en) | 2003-02-06 |
KR20030013047A (ko) | 2003-02-14 |
CN1417863A (zh) | 2003-05-14 |
US20040219696A1 (en) | 2004-11-04 |
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