KR101308466B1 - 유기전계발광소자 및 그 제조방법 - Google Patents
유기전계발광소자 및 그 제조방법 Download PDFInfo
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- KR101308466B1 KR101308466B1 KR1020080087900A KR20080087900A KR101308466B1 KR 101308466 B1 KR101308466 B1 KR 101308466B1 KR 1020080087900 A KR1020080087900 A KR 1020080087900A KR 20080087900 A KR20080087900 A KR 20080087900A KR 101308466 B1 KR101308466 B1 KR 101308466B1
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- light emitting
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- anode electrode
- thin film
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/828—Transparent cathodes, e.g. comprising thin metal layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/7684—Smoothing; Planarisation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/70—Surface textures, e.g. pyramid structures
- H10F77/707—Surface textures, e.g. pyramid structures of the substrates or of layers on substrates, e.g. textured ITO layer on a glass substrate
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/351—Thickness
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (8)
- 투명 기판 상에 형성된 게이트 전극, 소오스 전극 및 드레인 전극을 구비한 박막트랜지스터;상기 박막트랜지스터를 덮도록 형성되며, 상기 드레인 전극을 노출시키는 콘택홀을 포함하는 평탄화막;상기 콘택홀을 통해 상기 드레인 전극에 전기적으로 연결되어 형성되는 애노드 전극;상기 애노드 전극의 양끝단을 덮으며, 상기 박막트랜지스터와 상기 콘택홀을 완전히 덮도록 형성된 절연막;상기 애노드 전극상에 형성되어 전자와 정공이 쌍을 이루어 소멸하여 빛을 내는 발광층; 그리고상기 발광층위에 형성되는 캐소드 전극을 포함하여 구성됨을 특징으로 하는 유기전계발광소자.
- 제 1 항에 있어서,상기 절연막이 상기 애노드 전극의 양쪽 끝단을 덮는 부분은 상기 애노드 전극의 폭의 3~10%인 것을 특징으로 하는 유기전계발광소자.
- 제 1 항에 있어서,상기 애노드 전극의 개구율이 80~95%가 되도록 상기 절연막이 상기 애노드의 양끝단을 덮는 것을 특징으로 하는 유기전계발광소자.
- 제 1 항에 있어서,상기 절연막은 SiNx 또는 SiO2로 이루어진 것을 특징으로 하는 유기전계발광소자.
- 투명 기판 상에 게이트 전극, 소오스 전극 및 드레인 전극을 구비한 박막트랜지스터를 형성하는 단계;상기 박막트랜지스터를 포함한 기판 전면에 평탄화막을 형성하고, 상기 드레인 전극이 노출되도록 콘택홀을 형성하는 단계;상기 콘택홀을 통해 상기 드레인 전극에 전기적으로 연결되도록 애노드 전극을 형성하는 단계;상기 평탄화막위에 상기 애노드 전극 양끝단을 덮으며, 상기 박막트랜지스터와 상기 콘택홀을 완전히 덮도록 절연막을 형성하는 단계; 그리고상기 애노드 전극상에 발광층 및 캐소드 전극을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 유기전계발광소자의 제조방법.
- 제 5 항에 있어서,상기 절연막은 상기 애노드 전극의 폭의 3~10% 만큼 상기 애노드 전극의 양끝단을 덮도록 형성함을 특징으로 하는 유기전계발광소자의 제조방법.
- 제 5 항에 있어서,상기 절연막은, 상기 애노드 전극의 개구율이 80~95%가 되도록 상기 애노드 전극의 양끝단을 덮도록 패터닝되는 것을 특징으로 하는 유기전계발광소자의 제조방법.
- 제 5 항에 있어서,상기 절연막은 SiNx 또는 SiO2를 1000~2000 옹스트롱(Å)의 두께로 적층하는 것을 특징으로 하는 유기전계발광소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/285,551 US20090091254A1 (en) | 2007-10-08 | 2008-10-08 | Organic electroluminescence device and method for manufacturing the same |
Applications Claiming Priority (2)
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KR20070100972 | 2007-10-08 | ||
KR1020070100972 | 2007-10-08 |
Publications (2)
Publication Number | Publication Date |
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KR20080108062A KR20080108062A (ko) | 2008-12-11 |
KR101308466B1 true KR101308466B1 (ko) | 2013-09-16 |
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KR1020080087900A Active KR101308466B1 (ko) | 2007-10-08 | 2008-09-05 | 유기전계발광소자 및 그 제조방법 |
Country Status (2)
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KR (1) | KR101308466B1 (ko) |
CN (1) | CN101409305A (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101995337B1 (ko) | 2012-10-31 | 2019-09-30 | 엘지디스플레이 주식회사 | 유기 전계 발광 표시 패널 및 그의 제조 방법 |
CN111133566B (zh) * | 2017-09-28 | 2024-03-26 | 夏普株式会社 | 电极接触结构、显示控制驱动器及显示器件 |
US12073790B2 (en) | 2019-07-31 | 2024-08-27 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
CN120187238A (zh) | 2019-07-31 | 2025-06-20 | 京东方科技集团股份有限公司 | 显示基板和显示装置 |
WO2021189329A1 (zh) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | 显示基板和显示装置 |
WO2021189305A1 (zh) | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | 显示基板和显示装置 |
CN114503272B (zh) | 2020-03-25 | 2023-12-19 | 京东方科技集团股份有限公司 | 显示基板和显示装置 |
CN113811812B (zh) | 2020-03-25 | 2023-01-13 | 京东方科技集团股份有限公司 | 显示基板及其制作方法和显示装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030201716A1 (en) | 2002-04-26 | 2003-10-30 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and manufacturing method of the same |
EP1798784A2 (en) | 2005-12-14 | 2007-06-20 | Samsung SDI Co., Ltd. | Organic light emitting device and method of fabricating the same |
US20070159044A1 (en) | 2005-12-22 | 2007-07-12 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
-
2008
- 2008-09-05 KR KR1020080087900A patent/KR101308466B1/ko active Active
- 2008-10-08 CN CNA2008101737541A patent/CN101409305A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030201716A1 (en) | 2002-04-26 | 2003-10-30 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and manufacturing method of the same |
JP2003317971A (ja) | 2002-04-26 | 2003-11-07 | Semiconductor Energy Lab Co Ltd | 発光装置およびその作製方法 |
EP1798784A2 (en) | 2005-12-14 | 2007-06-20 | Samsung SDI Co., Ltd. | Organic light emitting device and method of fabricating the same |
US20070159044A1 (en) | 2005-12-22 | 2007-07-12 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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Publication number | Publication date |
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CN101409305A (zh) | 2009-04-15 |
KR20080108062A (ko) | 2008-12-11 |
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