KR100551046B1 - 유기 이엘 소자 - Google Patents
유기 이엘 소자 Download PDFInfo
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- KR100551046B1 KR100551046B1 KR1020030060016A KR20030060016A KR100551046B1 KR 100551046 B1 KR100551046 B1 KR 100551046B1 KR 1020030060016 A KR1020030060016 A KR 1020030060016A KR 20030060016 A KR20030060016 A KR 20030060016A KR 100551046 B1 KR100551046 B1 KR 100551046B1
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- 239000010410 layer Substances 0.000 claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 22
- 229920005591 polysilicon Polymers 0.000 claims abstract description 21
- 239000011229 interlayer Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 60
- 238000005530 etching Methods 0.000 description 14
- 238000005192 partition Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011368 organic material Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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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
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
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- 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
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- 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
- H01L27/1248—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 or shape of the interlayer dielectric specially adapted to the circuit arrangement
-
- 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
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- 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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- 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
- H10K59/80—Constructional details
- H10K59/88—Dummy elements, i.e. elements having non-functional features
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (9)
- 화소가 배치되는 어레이(array)부와 외부 전원과 접촉하는 패드부가 정의된 기판;상기 기판 상에서 형성되는 다결정실리콘층, 게이트절연막, 게이트전극, 층간절연막, 소스/드레인전극의 순차적인 적층 구조;상기 적층 구조를 덮으면서 형성되며, 상기 어레이부 및 패드부 각각에 소스/드레인전극의 소정영역을 노출시키는 비아홀을 구비하는 평탄화막;상기 비아홀 내에 매립된 금속매립층;상기 금속매립층을 포함하여 평탄화막의 상부 전면에 형성되고, 상기 어레이부의 금속매립층을 소정영역 노출시키는 화소영역을 구비한 격벽; 및상기 화소영역에 형성된 유기 이엘층을 포함하고,상기 패드부의 비아홀은 상기 패드부에서 상기 소스/드레인 전극과 외부 전원을 전기적으로 연결하도록 형성되며,상기 어레이부의 비아홀 주변의 평탄화막 두께와 상기 패드부의 비아홀 주변의 두께가 실질적으로 동일한 유기 이엘 소자.
- 제 1 항에 있어서,상기 어레이부에서 상기 비아홀이 형성된 부분의 하부에는, 기판, 게이트절연막, 더미(dummy) 게이트패턴, 층간절연막, 소스/드레인전극이 순차 적층되고,상기 패드부에서 상기 비아홀이 형성된 부분의 하부에는, 기판, 게이트절연막, 게이트전극, 층간절연막, 소스/드레인전극이 순차 적층된 유기 이엘 소자.
- 제 2 항에 있어서,상기 더미 게이트패턴은 상기 게이트전극과 동시에 형성되어 동일 물질로 이 루어지고 동일한 두께를 가지는 유기 이엘 소자.
- 제 1 항에 있어서,상기 어레이부에서 상기 비아홀이 형성된 부분의 하부에는, 기판, 게이트절연막, 층간절연막, 소스/드레인전극이 순차 적층되고,상기 패드부에서 상기 비아홀이 형성된 부분의 하부에는, 기판, 게이트절연막, 층간절연막, 소스/드레인전극이 순차 적층된 유기 이엘 소자.
- 제 2 항 또는 제 4 항에 있어서,상기 평탄화막은 균일한 두께를 가지면서 하부의 표면단차를 드러내는 제1절연막과, 상기 제1절연막 상에 형성되고 상면이 평탄한 제2절연막을 포함하는 유기 이엘 소자.
- 제 2 항 또는 제 4 항에 있어서,상기 다결정실리콘층은 상기 어레이부에 형성되고, 상기 다결정실리콘층의 양 가장자리에는 불순물이 도핑되어 각각 하부소스 및 하부드레인을 이루며 상기 하부소스 및 하부드레인 사이는 채널영역인 유기 이엘 소자.
- 제 6 항에 있어서,상기 어레이부의 소스/드레인전극은 상기 하부소스 및 하부드레인과 각각 연 결되도록 형성된 유기 이엘 소자.
- 제 2 항 또는 제 4 항에 있어서,상기 게이트전극 및 소스/드레인전극은 금속물질로 이루어진 유기 이엘 소자.
- 제 2 항 또는 제 4 항에 있어서,상기 기판은 절연물질로 이루어지고,상기 기판 및 다결정실리콘층의 계면과, 상기 기판 및 게이트절연막의 계면에 형성된 차단층을 더 포함하는 유기 이엘 소자.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030060016A KR100551046B1 (ko) | 2003-08-28 | 2003-08-28 | 유기 이엘 소자 |
JP2004207155A JP2005078073A (ja) | 2003-08-28 | 2004-07-14 | 有機電界発光表示装置 |
US10/927,193 US7211826B2 (en) | 2003-08-28 | 2004-08-27 | Organic electroluminescent display |
CNB200410068283XA CN100449773C (zh) | 2003-08-28 | 2004-08-27 | 有机电致发光显示器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030060016A KR100551046B1 (ko) | 2003-08-28 | 2003-08-28 | 유기 이엘 소자 |
Publications (2)
Publication Number | Publication Date |
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KR20050023014A KR20050023014A (ko) | 2005-03-09 |
KR100551046B1 true KR100551046B1 (ko) | 2006-02-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020030060016A KR100551046B1 (ko) | 2003-08-28 | 2003-08-28 | 유기 이엘 소자 |
Country Status (4)
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---|---|
US (1) | US7211826B2 (ko) |
JP (1) | JP2005078073A (ko) |
KR (1) | KR100551046B1 (ko) |
CN (1) | CN100449773C (ko) |
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KR100892945B1 (ko) * | 2002-02-22 | 2009-04-09 | 삼성전자주식회사 | 액티브 매트릭스형 유기전계발광 표시장치 및 그 제조방법 |
KR20030086165A (ko) * | 2002-05-03 | 2003-11-07 | 엘지.필립스 엘시디 주식회사 | 유기전계 발광소자와 그 제조방법 |
US7105999B2 (en) * | 2002-07-05 | 2006-09-12 | Lg.Philips Lcd Co., Ltd. | Organic electroluminescent display device and method of fabricating the same |
KR100521277B1 (ko) * | 2003-02-05 | 2005-10-13 | 삼성에스디아이 주식회사 | 애노드전극층을 전원공급층으로 사용한 평판표시장치 및그의 제조방법 |
JP4518747B2 (ja) * | 2003-05-08 | 2010-08-04 | 三洋電機株式会社 | 有機el表示装置 |
KR100957585B1 (ko) * | 2003-10-15 | 2010-05-13 | 삼성전자주식회사 | 광 감지부를 갖는 전자 디스플레이 장치 |
US7196465B2 (en) * | 2003-12-30 | 2007-03-27 | Lg.Philips Lcd Co., Ltd. | Dual panel type organic electroluminescent device and method for fabricating the same |
-
2003
- 2003-08-28 KR KR1020030060016A patent/KR100551046B1/ko active IP Right Grant
-
2004
- 2004-07-14 JP JP2004207155A patent/JP2005078073A/ja active Pending
- 2004-08-27 CN CNB200410068283XA patent/CN100449773C/zh not_active Expired - Lifetime
- 2004-08-27 US US10/927,193 patent/US7211826B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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JP2005078073A (ja) | 2005-03-24 |
CN100449773C (zh) | 2009-01-07 |
CN1592520A (zh) | 2005-03-09 |
US20050045882A1 (en) | 2005-03-03 |
US7211826B2 (en) | 2007-05-01 |
KR20050023014A (ko) | 2005-03-09 |
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