JP4287337B2 - 有機電界発光表示装置及びその製造方法 - Google Patents
有機電界発光表示装置及びその製造方法 Download PDFInfo
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- JP4287337B2 JP4287337B2 JP2004256712A JP2004256712A JP4287337B2 JP 4287337 B2 JP4287337 B2 JP 4287337B2 JP 2004256712 A JP2004256712 A JP 2004256712A JP 2004256712 A JP2004256712 A JP 2004256712A JP 4287337 B2 JP4287337 B2 JP 4287337B2
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- 238000004519 manufacturing process Methods 0.000 title description 2
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 108091006146 Channels Proteins 0.000 description 2
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 2
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H10K59/805—Electrodes
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
また、前記説明では電源供給線が別途に形成されたことを説明したが、電源供給線はトランジスタのゲート電極やソース/ドレーン電極と同じ導電層で形成でき、このような場合には有機EL素子の画素電極層がゲート電極やソース/ドレーン電極と絶縁層を隔てて重なる。
更に、実施例の説明では駆動トランジスタ及びスイッチングトランジスタがNタイプのチャンネルを有するトランジスタとして実現された場合を説明したが、駆動トランジスタ及びスイッチングトランジスタは第1電極、第2電極、及び第3電極を備え、第1電極及び第2電極に印加される電圧によって前記第2電極から前記第3電極に流れる電流を制御できる全ての素子で実現できる。
20 駆動トランジスタ
30 キャパシター
40 有機EL素子
50 電源供給線
100 表示パネル
200 データ駆動部
300 走査駆動部
Claims (6)
- 複数の走査線、前記走査線に交差する複数のデータ線、及び前記走査線と前記データ線によってマトリックス状に形成される複数の画素回路を備える表示パネルを含む有機EL表示装置において、
前記画素回路は、
第1及び第2画素電極層(42、21)、及び前記第1及び第2画素電極層(42、21)の間に形成されて前記第1及び第2画素電極層(42、21)の間に流れる電流に対応して画像を表示する有機発光層(41)を含む有機EL素子(40)と、
前記走査線(S1-Sn)からの選択信号に応答して前記データ線(D1-Dm)に印加される画像信号に対応して前記第1及び第2画素電極層の間に流れる電流を制御する駆動回路(80)とを含み、
前記有機EL素子(40)の前記第1画素電極層(42)は第2絶縁層(17)を隔てて前記駆動回路(80)に電源を供給するための電源供給線(50)と重なるように形成され、前記有機発光層(41)は前記電源供給線(50)に重なる領域外に形成され、前記第2絶縁層(17)と前記第1画素電極層(42)の厚さの合計だけ前記電源供給線(50)から水平的に離れて形成されることを特徴とする有機EL表示装置。 - 前記第1画素電極層(42)は透明な電極層から構成され、前記第2画素電極層(21)はメタル層を含むことを特徴とする請求項1に記載の有機EL表示装置。
- 前記画素回路は前記有機EL素子(40)の前記第1画素電極層(42)の少なくとも縁の一部を覆って、前記電源供給線(50)と重ならないように形成された開口部を含む第3絶縁層(22)を更に含むことを特徴とする請求項1に記載の有機EL表示装置。
- 前記第3絶縁層(22)の開口部は前記電源供給線(50)と少なくとも前記第2絶縁層(17)と前記第1画素電極層(42)の厚さの合計だけ水平的に離れて形成されることを特徴とする請求項3に記載の有機EL表示装置。
- 前記第1画素電極層(42)はメタル層を含み、前記第2画素電極層(21)は透明な電極層から構成されることを特徴とする請求項1に記載の有機EL表示装置。
- 前記第1画素電極層(42)の下部には有機膜で形成された平坦化層(23)を更に含むことを特徴とする請求項5に記載の有機EL表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20030083589 | 2003-11-24 | ||
KR1020040000594A KR100684825B1 (ko) | 2003-11-24 | 2004-01-06 | 유기 전계발광 표시 장치 및 그 제조 방법 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008206100A Division JP4856680B2 (ja) | 2003-11-24 | 2008-08-08 | 有機電界発光表示装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005157298A JP2005157298A (ja) | 2005-06-16 |
JP4287337B2 true JP4287337B2 (ja) | 2009-07-01 |
Family
ID=34467892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004256712A Active JP4287337B2 (ja) | 2003-11-24 | 2004-09-03 | 有機電界発光表示装置及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7956533B2 (ja) |
EP (1) | EP1536472A1 (ja) |
JP (1) | JP4287337B2 (ja) |
CN (1) | CN100403575C (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7898623B2 (en) * | 2005-07-04 | 2011-03-01 | Semiconductor Energy Laboratory Co., Ltd. | Display device, electronic device and method of driving display device |
KR101324756B1 (ko) | 2005-10-18 | 2013-11-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시장치 및 그의 구동방법 |
JP5250960B2 (ja) | 2006-01-24 | 2013-07-31 | セイコーエプソン株式会社 | 発光装置および電子機器 |
JP2007286212A (ja) * | 2006-04-14 | 2007-11-01 | Hitachi Displays Ltd | 有機el表示装置 |
KR100740132B1 (ko) | 2006-11-10 | 2007-07-16 | 삼성에스디아이 주식회사 | 유기 전계 발광 표시 장치 |
JP2008233399A (ja) * | 2007-03-19 | 2008-10-02 | Sony Corp | 画素回路および表示装置、並びに表示装置の製造方法 |
KR20090054704A (ko) * | 2007-11-27 | 2009-06-01 | 엘지전자 주식회사 | 유기전계발광소자 |
KR101084195B1 (ko) * | 2010-02-19 | 2011-11-17 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
JP2012003925A (ja) | 2010-06-16 | 2012-01-05 | Sony Corp | 表示装置 |
KR20120019017A (ko) * | 2010-08-24 | 2012-03-06 | 삼성모바일디스플레이주식회사 | 유기 전계 발광 표시 장치 및 그 제조 방법 |
KR101885698B1 (ko) * | 2011-06-27 | 2018-08-07 | 삼성디스플레이 주식회사 | 광투과율 제어가 가능한 표시장치 |
JP2013112854A (ja) * | 2011-11-29 | 2013-06-10 | Canon Inc | 成膜装置及び成膜方法 |
TWI459587B (zh) * | 2012-02-02 | 2014-11-01 | Chunghwa Picture Tubes Ltd | 主動式發光元件 |
CN102569348A (zh) * | 2012-02-15 | 2012-07-11 | 福州华映视讯有限公司 | 主动式发光元件 |
KR20180025354A (ko) * | 2016-08-29 | 2018-03-09 | 삼성디스플레이 주식회사 | 유기발광 표시장치 및 이의 제조방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3792749B2 (ja) | 1995-06-02 | 2006-07-05 | 株式会社東芝 | 液晶表示装置 |
JPH09105952A (ja) | 1995-10-11 | 1997-04-22 | Toshiba Electron Eng Corp | アクティブマトリクス型液晶表示装置 |
JP4180690B2 (ja) | 1998-06-05 | 2008-11-12 | 東芝松下ディスプレイテクノロジー株式会社 | 液晶表示装置 |
JP4627822B2 (ja) | 1999-06-23 | 2011-02-09 | 株式会社半導体エネルギー研究所 | 表示装置 |
TW521303B (en) | 2000-02-28 | 2003-02-21 | Semiconductor Energy Lab | Electronic device |
JP4776792B2 (ja) * | 2000-02-28 | 2011-09-21 | 株式会社半導体エネルギー研究所 | 発光装置および電気器具 |
JP3608613B2 (ja) * | 2001-03-28 | 2005-01-12 | 株式会社日立製作所 | 表示装置 |
KR100834346B1 (ko) * | 2001-12-28 | 2008-06-02 | 엘지디스플레이 주식회사 | 능동행렬 유기전기발광소자 |
JP4310984B2 (ja) | 2002-02-06 | 2009-08-12 | 株式会社日立製作所 | 有機発光表示装置 |
JP2003255858A (ja) * | 2002-02-28 | 2003-09-10 | Sanyo Electric Co Ltd | 表示装置 |
JP2004191627A (ja) * | 2002-12-11 | 2004-07-08 | Hitachi Ltd | 有機発光表示装置 |
US20040263072A1 (en) * | 2003-06-24 | 2004-12-30 | Joon-Young Park | Flat panel display |
-
2004
- 2004-09-03 JP JP2004256712A patent/JP4287337B2/ja active Active
- 2004-11-08 US US10/984,097 patent/US7956533B2/en active Active
- 2004-11-23 EP EP04090458A patent/EP1536472A1/en not_active Withdrawn
- 2004-11-24 CN CNB2004100953649A patent/CN100403575C/zh active Active
-
2011
- 2011-05-06 US US13/103,009 patent/US8376802B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN100403575C (zh) | 2008-07-16 |
US8376802B2 (en) | 2013-02-19 |
US20110212663A1 (en) | 2011-09-01 |
EP1536472A1 (en) | 2005-06-01 |
CN1622714A (zh) | 2005-06-01 |
US7956533B2 (en) | 2011-06-07 |
JP2005157298A (ja) | 2005-06-16 |
US20050110422A1 (en) | 2005-05-26 |
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