JP5329487B2 - 有機発光表示装置及びその製造方法 - Google Patents
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- 238000000034 method Methods 0.000 title description 19
- 238000004519 manufacturing process Methods 0.000 title description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 74
- 239000004065 semiconductor Substances 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 193
- 239000003990 capacitor Substances 0.000 claims description 46
- 239000011229 interlayer Substances 0.000 claims description 39
- 239000010949 copper Substances 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 6
- 229920005591 polysilicon Polymers 0.000 abstract 1
- 239000010408 film Substances 0.000 description 112
- 239000010409 thin film Substances 0.000 description 34
- 239000012535 impurity Substances 0.000 description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910004205 SiNX Inorganic materials 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Classifications
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- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
-
- 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
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Description
をさらに含むことができる。
また、画素電極710をゲート電極155と同一層に形成しても、有機発光表示装置101は効果的に背面発光型構造を実現することができる。
111 基板本体、
10、20 薄膜トランジスター、
70 有機発光素子、
80 キャパシター、
120 バッファー層、
135 半導体層、
138 キャパシター電極、
140 ゲート絶縁膜、
151 ゲートライン、
152 キャパシターライン、
155 ゲート電極、
158 キャパシター電極、
160 層間絶縁膜、
171 データライン、
172 共通電源ライン、
190 画素定義膜、
210 封止部材、
710 画素電極、
720 有機発光層、
730 共通電極、
810、820 駆動回路、
1355 チャンネル領域、
1356 ドレイン領域、
1357 ソース領域、
1551、711、1581 透明導電層部、
1552、712、1582 金属層部、
1605 開口部、
1607、1606、1601 接触孔、
1700 データ金属層、
1905 開口部、
7100 画素電極中間体。
Claims (4)
- 基板本体と、
前記基板本体上に多結晶シリコンで形成された半導体層と、
前記半導体層を覆うゲート絶縁膜と、
前記ゲート絶縁膜上に順次に積層された透明導電層部及びゲート金属層部で形成されたゲート電極及び画素電極と、を含み、
前記画素電極は、前記透明導電層部で形成された発光領域と、前記透明導電層部及び前記ゲート金属層部で形成された非発光領域と、に区分され、
前記ゲート電極は、前記半導体層上に形成され、
前記半導体層は、前記ゲート電極と重なったチャンネル領域と、前記チャンネル領域の両側に形成されたソース領域及びドレイン領域と、に区分され、
前記画素電極の発光領域を露出する開口部を有し、
前記ゲート電極及び前記画素電極上に形成された層間絶縁膜と、
前記層間絶縁膜上に形成されたソース電極及びドレイン電極と、をさらに含み、
前記画素電極の発光領域を露出する開口部を有し、前記ソース電極及び前記ドレイン電極上に形成された画素定義膜と、
前記画素定義膜の開口部を通して露出された前記画素電極の発光領域上に形成された有機発光層と、
前記有機発光層上に形成された共通電極と、をさらに含み、
前記半導体層と同一層に多結晶シリコンで形成された第1キャパシター電極と、
前記ゲート電極と同一層に同一構造で形成された第2キャパシター電極と、
をさらに含み、
前記ゲート電極および画素電極のゲート金属層部、前記ソース電極、及び、前記ドレイン電極は、互いに同一の素材で形成され、かつ前記画素電極のゲート金属層部、前記ソース電極、及び、前記ドレイン電極は同時にエッチングされることで形成されたことを特徴とする有機発光表示装置。 - 前記層間絶縁膜は、前記半導体層の前記ソース領域及び前記ドレイン領域、そして前記画素電極の前記非発光領域の一部をそれぞれ露出する複数の接触孔をさらに含むことを特徴とする請求項1に記載の有機発光表示装置。
- 前記ソース電極は、前記接触孔を通して前記半導体層のソース領域と接続され、
前記ドレイン電極は、前記半導体層のドレイン領域及び前記画素電極の前記非発光領域とそれぞれ接続されることを特徴とする請求項2に記載の有機発光表示装置。 - 前記ゲート電極のゲート金属層部、前記ソース電極、及び、前記ドレイン電極は、銅(Cu)及びアルミニウム(Al)のうちのいずれか一つで形成された金属膜とモリブデン(Mo)で形成された金属膜とを含む多層膜に形成されたことを特徴とする請求項1〜3のいずれか一つに記載の有機発光表示装置。
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KR10-2009-0110479 | 2009-11-16 | ||
KR1020090110479A KR101117642B1 (ko) | 2009-11-16 | 2009-11-16 | 유기 발광 표시 장치 및 그 제조 방법 |
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JP2011107680A JP2011107680A (ja) | 2011-06-02 |
JP5329487B2 true JP5329487B2 (ja) | 2013-10-30 |
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JP2012188993A Active JP5378584B2 (ja) | 2009-11-16 | 2012-08-29 | 有機発光表示装置の製造方法 |
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US (1) | US8405084B2 (ja) |
JP (2) | JP5329487B2 (ja) |
KR (1) | KR101117642B1 (ja) |
TW (1) | TWI591816B (ja) |
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KR20110134685A (ko) * | 2010-06-09 | 2011-12-15 | 삼성모바일디스플레이주식회사 | 표시 장치 및 그 제조 방법 |
KR20120003640A (ko) * | 2010-07-05 | 2012-01-11 | 삼성전자주식회사 | 반도체 장치의 제조 방법 |
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KR20120032904A (ko) * | 2010-09-29 | 2012-04-06 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
KR20120129592A (ko) * | 2011-05-20 | 2012-11-28 | 삼성디스플레이 주식회사 | 평판 표시 장치용 백플레인, 이를 포함하는 평판 표시 장치, 및 그 제조 방법 |
KR101806405B1 (ko) * | 2011-06-29 | 2017-12-08 | 삼성디스플레이 주식회사 | 평판 표시 장치용 백 플레인, 이를 포함하는 평판 표시 장치, 및 그 제조 방법 |
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TWI284241B (en) | 2004-11-02 | 2007-07-21 | Au Optronics Corp | Thin film transistor array substrate and repairing method thereof |
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JP5164331B2 (ja) | 2005-03-31 | 2013-03-21 | 株式会社半導体エネルギー研究所 | 表示装置、表示モジュール、および電子機器 |
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KR20070102161A (ko) | 2006-04-14 | 2007-10-18 | 삼성전자주식회사 | 박막 트랜지스터 기판과 그 제조방법 및 이를 이용한액정표시장치 |
JP5060738B2 (ja) * | 2006-04-28 | 2012-10-31 | 株式会社ジャパンディスプレイイースト | 画像表示装置 |
KR101261605B1 (ko) * | 2006-07-12 | 2013-05-06 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
JP5412026B2 (ja) | 2006-09-11 | 2014-02-12 | 三星ディスプレイ株式會社 | 配線構造と配線形成方法及び薄膜トランジスタ基板とその製造方法 |
JP2008129314A (ja) * | 2006-11-21 | 2008-06-05 | Hitachi Displays Ltd | 画像表示装置およびその製造方法 |
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US8405084B2 (en) | 2013-03-26 |
JP5378584B2 (ja) | 2013-12-25 |
JP2011107680A (ja) | 2011-06-02 |
KR101117642B1 (ko) | 2012-03-05 |
TWI591816B (zh) | 2017-07-11 |
JP2013011899A (ja) | 2013-01-17 |
US20110114960A1 (en) | 2011-05-19 |
KR20110053804A (ko) | 2011-05-24 |
TW201119030A (en) | 2011-06-01 |
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