KR100493439B1 - 유기 전계발광소자와 그의 제조방법 - Google Patents
유기 전계발광소자와 그의 제조방법 Download PDFInfo
- Publication number
- KR100493439B1 KR100493439B1 KR10-2003-0029770A KR20030029770A KR100493439B1 KR 100493439 B1 KR100493439 B1 KR 100493439B1 KR 20030029770 A KR20030029770 A KR 20030029770A KR 100493439 B1 KR100493439 B1 KR 100493439B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- organic
- insulating
- light emitting
- layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000005401 electroluminescence Methods 0.000 title 1
- 239000010408 film Substances 0.000 claims abstract description 132
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000010409 thin film Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910010272 inorganic material Inorganic materials 0.000 claims description 8
- 239000011147 inorganic material Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 97
- 239000011229 interlayer Substances 0.000 description 21
- 239000011368 organic material Substances 0.000 description 15
- 230000001681 protective effect Effects 0.000 description 12
- 238000002834 transmittance Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000007769 metal material Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910008065 Si-SiO Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910006405 Si—SiO Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
- H01L27/1237—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 different composition, shape, layout or thickness of the gate insulator in different devices
-
- 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
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Landscapes
- 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)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (8)
- 기판상에 형성된 박막 트랜지스터와,상기 박막 트랜지스터의 반도체층과 상기 박막 트랜지스터의 게이트전극을 절연하기 위한 제 1 절연막과,상기 박막 트랜지스터의 소스, 드레인 전극과 게이트 전극을 절연하기 위한 제 2 절연막과,상기 박막 트랜지스터를 보호하기 위한 제 3 절연막과,상기 박막 트랜지스터와 접촉되고 상기 제 3 절연막 상에 형성된 애노드전극과,상기 애노드전극 상에 유기발광물질로 이루어진 유기발광층과,상기 애노드전극의 발광 영역이 노출되도록 제 3 절연막 상에 형성된 제 4 절연막과,상기 유기발광층 및 제 4 절연막 상에 형성된 캐소드전극를 구비하며,상기 제 1 내지 제 4 절연막 중 적어도 어느 하나는 유기 절연물질로 형성되는 것을 특징으로 하는 유기 전계발광소자.
- 제 1 항에 있어서,상기 유기 절연물질은 벤조-사이노우-벤지너(Benzo-Cyano-Benziner) 계열 및 폴리아미드(polyimide) 계열의 고분자물 중 어느 하나를 포함하는 것을 특징으로 하는 유기 전계발광소자.
- 제 1 항에 있어서,상기 제 1 절연막, 제 2 절연막 및 제 4 절연막 중 유기절연막은 1㎛ 이상의 두께로 형성되는 것을 특징으로 하는 유기 전계발광소자.
- 제 1 항에 있어서,상기 제 3 절연막은 10nm 이상의 두께로 형성되는 것을 특징으로 하는 유기 전계발광소자.
- 제 1 항에 있어서,상기 제 1 및 제 3 절연막은 무기물질로 형성되는 것을 특징으로 하는 유기 전계발광소자.
- 기판 상에 액티브층을 형성하는 단계와,상기 액티브층 상에 제 1 절연막을 형성하는 단계와,상기 제 1 절연막 상에 게이트 전극을 형성하는 단계와,상기 게이트 전극이 형성된 상기 제 1 절연막 위에 제 2 절연막을 형성하는 단계와,상기 제 2 절연막 상에 상기 액티브층과 접촉되는 소스 및 드레인 전극을 형성하는 단계와,상기 소스 및 드레인 전극이 형성된 제 2 절연막 위에 제 3 절연막을 형성하는 단계와,상기 제 3 절연막 상에 상기 드레인 전극과 접촉되는 애노드 전극을 형성하는 단계와,상기 애노드 전극 중 발광영역이 노출되도록 제 3 절연막 상에 제 4 절연막을 형성하는 단계와,상기 애노드전극 위에 유기발광물질을 형성하는 단계와,상기 제 4 절연막 및 유기발광물질 위에 캐소드 전극을 형성하는 단계를 포함하며,상기 제 1 내지 제 4 절연막 중 적어도 어느 하나는 유기 절연물질로 형성되는 것을 특징으로 하는 유기 전계발광소자의 제조방법.
- 제 6 항에 있어서,상기 유기 절연물질은 벤조-사이노우-벤지너(Benzo-Cyano-Benziner) 계열 및 폴리아미드(polyimide) 계열의 고분자물 중 어느 하나를 포함하는 것을 특징으로 하는 유기 전계발광소자의 제조방법.
- 제 6 항에 있어서,상기 애노드 전극에 자외선 조사 및 산소 플라즈마 중 어느 하나로 상기 애노드 전극을 표면처리하는 단계를 더 포함하는 것을 특징으로 하는 유기 전계발광소자의 제조방법.
Priority Applications (1)
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KR10-2003-0029770A KR100493439B1 (ko) | 2003-05-12 | 2003-05-12 | 유기 전계발광소자와 그의 제조방법 |
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KR10-2003-0029770A KR100493439B1 (ko) | 2003-05-12 | 2003-05-12 | 유기 전계발광소자와 그의 제조방법 |
Publications (2)
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KR20040097465A KR20040097465A (ko) | 2004-11-18 |
KR100493439B1 true KR100493439B1 (ko) | 2005-06-07 |
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KR101108158B1 (ko) * | 2009-11-30 | 2012-01-31 | 삼성모바일디스플레이주식회사 | 유기 발광 표시장치 및 그 제조 방법 |
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