JP6433234B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP6433234B2 JP6433234B2 JP2014210142A JP2014210142A JP6433234B2 JP 6433234 B2 JP6433234 B2 JP 6433234B2 JP 2014210142 A JP2014210142 A JP 2014210142A JP 2014210142 A JP2014210142 A JP 2014210142A JP 6433234 B2 JP6433234 B2 JP 6433234B2
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- 239000010410 layer Substances 0.000 claims description 73
- 239000004065 semiconductor Substances 0.000 claims description 20
- 239000010409 thin film Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 description 25
- 239000002184 metal Substances 0.000 description 25
- 239000010408 film Substances 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 8
- 241000750042 Vini Species 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 238000005401 electroluminescence Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910004304 SiNy Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 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
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Thin Film Transistor (AREA)
Description
図1は、第1の実施形態の有機EL表示装置の説明するための概略平面図である。本実施形態の有機EL表示装置の表示領域DPでは、表示制御の対象となる複数の画素PXがマトリクス状に配列され、各画素PXには有機エレクトロルミネッセンス素子(発光素子)が配置される。各画素PXの有機エレクトロルミネッセンス素子は、発光層を備えた有機層を含んで構成されて、各画素PXには、表示領域DPの外部に配置された映像信号線駆動回路XDR、第1走査線駆動回路Ydr1、第2走査線駆動回路Ydr2からの信号が入力されるようになっている。
Claims (7)
- 画素電極、前記画素電極上の有機層、および前記有機層上の共通電極を含む発光素子と、
前記画素電極の下層に配置されて、所定電位が供給される導電層と、
前記画素電極および前記導電層のさらに下層に配置された薄膜トランジスタと、を有した表示装置であって、
前記薄膜トランジスタは、チャネル領域を有する半導体層と、前記チャネル領域に重畳するように設けられたゲート電極と、前記半導体層と前記画素電極とに電気的に接続された第1電極を有し、
前記導電層は、前記チャネル領域と平面的に重複し、
前記第1電極は、前記導電層と前記チャネル領域とが平面的に重複する領域において、前記ゲート電極を上側から覆うように延在する、
ことを特徴とする表示装置。 - 画素電極、前記画素電極上の有機層、および前記有機層上の共通電極を含む発光素子と、
前記画素電極の下層に配置されて、所定電位が供給される導電層と、
前記画素電極および前記導電層のさらに下層に配置された薄膜トランジスタと、を有した表示装置であって、
前記薄膜トランジスタは、チャネル領域を有する半導体層と、前記チャネル領域に重畳するように設けられたゲート電極と、前記半導体層と前記画素電極とに電気的に接続され
た第1電極を有し、
前記ゲート電極、前記第1電極、前記導電層、および前記画素電極がこの順序で積層される重畳領域を有する、
ことを特徴とする表示装置。 - 請求項1または請求項2に記載された表示装置であって、
前記半導体層は、前記チャネル領域に隣接した不純物領域をさらに有し、
前記導電層は、前記不純物領域と重複し、
前記第1電極は、前記不純物領域と重複する、
ことを特徴とする表示装置。 - 請求項1または請求項2に記載された表示装置であって、
互いに電位差を有する高電位電源線および低電位電源線をさらに有し、
前記画素電極は、前記薄膜トランジスタを介して前記高電位電源線および前記低電位電源線のいずれか一方と電気的に接続され、前記共通電極は、前記高電位電源線および前記低電位電源線の他方と電気的に接続され、
前記導電層は、前記高電位電源線および前記低電位電源線の他方と電気的に接続される、
ことを特徴とする表示装置。 - 請求項4に記載された表示装置であって、
前記発光素子をそれぞれ含む複数の画素が配列される表示領域をさらに有し、
前記導電層は、前記表示領域の外側において、前記高電位電源線および前記低電位電源線の他方と電気的に接続される、
ことを特徴とする表示装置。 - 請求項5に記載された表示装置であって、
前記導電層は、前記表示領域内において、前記複数の画素の少なくとも二つに亘って連続的に設けられる、
ことを特徴とする表示装置。 - 請求項1または請求項2に記載された表示装置であって、
前記ゲート電極と前記第1電極の間には、第1の絶縁層が積層され、
前記第1電極と前記導電層の間には、第2の絶縁層が積層され、
前記導電層と前記画素電極の間には、第3の絶縁層が積層される、
ことを特徴とする表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014210142A JP6433234B2 (ja) | 2014-10-14 | 2014-10-14 | 表示装置 |
US14/882,093 US9685458B2 (en) | 2014-10-14 | 2015-10-13 | Display device |
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---|---|---|---|
JP2014210142A JP6433234B2 (ja) | 2014-10-14 | 2014-10-14 | 表示装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018208596A Division JP2019032557A (ja) | 2018-11-06 | 2018-11-06 | 表示装置 |
Publications (3)
Publication Number | Publication Date |
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JP2016080798A JP2016080798A (ja) | 2016-05-16 |
JP2016080798A5 JP2016080798A5 (ja) | 2017-11-09 |
JP6433234B2 true JP6433234B2 (ja) | 2018-12-05 |
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JP2014210142A Active JP6433234B2 (ja) | 2014-10-14 | 2014-10-14 | 表示装置 |
Country Status (2)
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US (1) | US9685458B2 (ja) |
JP (1) | JP6433234B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102486877B1 (ko) * | 2016-04-28 | 2023-01-11 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
CN108010449B (zh) * | 2017-11-30 | 2020-12-22 | 武汉天马微电子有限公司 | 一种显示面板及其制作方法、显示装置 |
JP7073198B2 (ja) | 2018-06-07 | 2022-05-23 | 株式会社ジャパンディスプレイ | 表示装置 |
CN115312002B (zh) * | 2022-06-30 | 2023-08-18 | 惠科股份有限公司 | 像素驱动电路、显示面板及显示装置 |
Family Cites Families (10)
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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 |
JP2008257086A (ja) * | 2007-04-09 | 2008-10-23 | Sony Corp | 表示装置、表示装置の製造方法および電子機器 |
JP2009175389A (ja) | 2008-01-24 | 2009-08-06 | Sony Corp | 表示装置 |
JP2010085695A (ja) * | 2008-09-30 | 2010-04-15 | Toshiba Mobile Display Co Ltd | アクティブマトリクス型表示装置 |
JP5386643B2 (ja) * | 2010-09-29 | 2014-01-15 | パナソニック株式会社 | 表示装置用薄膜半導体装置、表示装置用薄膜半導体装置の製造方法、el表示パネル及びel表示装置 |
JP5803232B2 (ja) * | 2011-04-18 | 2015-11-04 | セイコーエプソン株式会社 | 有機el装置、および電子機器 |
JP6082563B2 (ja) * | 2012-10-15 | 2017-02-15 | 株式会社ジャパンディスプレイ | 表示装置 |
US9673267B2 (en) * | 2013-03-26 | 2017-06-06 | Lg Display Co., Ltd. | Organic light emitting diode display device having a capacitor with stacked storage electrodes and method for manufacturing the same |
KR102038076B1 (ko) * | 2013-04-04 | 2019-10-30 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
JP6153830B2 (ja) * | 2013-09-13 | 2017-06-28 | 株式会社ジャパンディスプレイ | 表示装置及びその駆動方法 |
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2014
- 2014-10-14 JP JP2014210142A patent/JP6433234B2/ja active Active
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2015
- 2015-10-13 US US14/882,093 patent/US9685458B2/en active Active
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US9685458B2 (en) | 2017-06-20 |
US20160104761A1 (en) | 2016-04-14 |
JP2016080798A (ja) | 2016-05-16 |
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