JP2017505457A - 底部シールドを有する有機発光ダイオードディスプレイ - Google Patents
底部シールドを有する有機発光ダイオードディスプレイ Download PDFInfo
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- JP2017505457A JP2017505457A JP2016545830A JP2016545830A JP2017505457A JP 2017505457 A JP2017505457 A JP 2017505457A JP 2016545830 A JP2016545830 A JP 2016545830A JP 2016545830 A JP2016545830 A JP 2016545830A JP 2017505457 A JP2017505457 A JP 2017505457A
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- 230000005684 electric field Effects 0.000 claims abstract description 24
- 239000010409 thin film Substances 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 60
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000004642 Polyimide Substances 0.000 description 5
- 239000011149 active material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 101150037603 cst-1 gene Proteins 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 241000750042 Vini Species 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse 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
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000032005 Spinocerebellar ataxia with axonal neuropathy type 2 Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000033361 autosomal recessive with axonal neuropathy 2 spinocerebellar ataxia Diseases 0.000 description 1
- 208000035405 autosomal recessive with axonal neuropathy spinocerebellar ataxia Diseases 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 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
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- 230000005669 field effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78663—Amorphous silicon transistors
- H01L29/78666—Amorphous silicon transistors with normal-type structure, e.g. with top gate
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78675—Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- 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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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
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- 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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of El Displays (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (20)
- 基板と、
前記基板上に形成された薄膜トランジスタと、
前記薄膜トランジスタと前記基板との間に介挿された少なくとも1つのバッファ層と、
前記バッファ層において前記薄膜トランジスタの直ぐ下に形成された導電性シールド構造体と、
を備える、ディスプレイ。 - 前記導電性シールド構造体が、透明な導電材料から形成される、請求項1に記載のディスプレイ。
- 前記導電性シールド構造体が、不透明な導電材料から形成される、請求項1に記載のディスプレイ。
- 前記導電性シールド構造体が、電気的に浮遊している、請求項1に記載のディスプレイ。
- 電源供給ラインであって、前記導電性シールド構造体が、前記電源供給ラインに短絡している電源供給ラインを更に備える、請求項1に記載のディスプレイ。
- ビアを貫通して前記導電性シールド構造体に短絡しているカソード電極を更に備える、請求項1に記載のディスプレイ。
- 前記薄膜トランジスタが、ゲート絶縁層上に形成されたゲートを有し、前記導電性シールド構造体が、前記ゲート絶縁層と直接接触していない、請求項1に記載のディスプレイ。
- 追加の薄膜トランジスタを更に備え、前記導電性シールド構造体が、前記薄膜トランジスタの下にのみ形成され、前記追加の薄膜トランジスタの下には形成されない、請求項1に記載のディスプレイ。
- ディスプレイピクセルの製造方法であって、
基板上に薄膜トランジスタを形成することと、
前記薄膜トランジスタと前記基板との間に介挿されたバッファ層を形成することと、
前記薄膜トランジスタのために前記バッファ層中に電界シールドを形成することと、
を含む、ディスプレイピクセルの製造方法。 - 前記電界シールドを形成することが、前記薄膜トランジスタの直ぐ下に導電性シールド構造体を形成することを含む、請求項9に記載の方法。
- 前記薄膜トランジスタに結合された発光ダイオードを形成することを更に含む、請求項9に記載の方法。
- 前記発光ダイオードが、カソード電極を有し、前記方法が、
導電性ビア構造を介して前記電界シールドを前記カソード電極に短絡させることを更に含む、請求項11に記載の方法。 - 前記電界シールドが、アクティブには駆動されない、請求項9に記載の方法。
- 前記基板上に追加の薄膜トランジスタを形成することと、
前記追加の薄膜トランジスタのために前記バッファ層中に追加の電界シールドを形成することと、
を更に含む、請求項9に記載の方法。 - 前記バッファ層中に、前記電界シールドと前記追加の電界シールドとを短絡させる導電経路を形成することを更に含む、請求項14に記載の方法。
- 電子機器ディスプレイであって、
アレイで配列されるディスプレイピクセルを備え、前記アレイ中の各ディスプレイピクセルが、
駆動トランジスタと、
前記駆動トランジスタの下に形成された導電性シールドと、
含む、電子機器ディスプレイ。 - 前記アレイ中の各ディスプレイピクセルが、前記駆動トランジスタに結合された発光ダイオードを更に備える、請求項16に記載の電子機器ディスプレイ。
- 前記アレイ中の各ディスプレイピクセルの前記導電性シールドが、電気的に浮遊している、請求項17に記載の電子機器ディスプレイ。
- 前記アレイ中の各ディスプレイピクセルの前記導電性シールドが、共通電極に短絡している、請求項17に記載の電子機器ディスプレイ。
- 前記アレイの第1の部分中の各ディスプレイピクセルの前記導電性シールドが、電気的に浮遊しており、前記アレイの第2の部分中の各ディスプレイピクセルの前記導電性シールドが、共通の電極に短絡している、請求項17に記載の電子機器ディスプレイ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461929907P | 2014-01-21 | 2014-01-21 | |
US61/929,907 | 2014-01-21 | ||
US14/488,725 US9337247B2 (en) | 2014-01-21 | 2014-09-17 | Organic light-emitting diode display with bottom shields |
US14/488,725 | 2014-09-17 | ||
PCT/US2014/057061 WO2015112203A1 (en) | 2014-01-21 | 2014-09-23 | Organic light-emitting diode display with bottom shields |
Publications (2)
Publication Number | Publication Date |
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JP2017505457A true JP2017505457A (ja) | 2017-02-16 |
JP6623164B2 JP6623164B2 (ja) | 2019-12-18 |
Family
ID=53545529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016545830A Active JP6623164B2 (ja) | 2014-01-21 | 2014-09-23 | 底部シールドを有する有機発光ダイオードディスプレイ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9337247B2 (ja) |
EP (2) | EP3097594B1 (ja) |
JP (1) | JP6623164B2 (ja) |
KR (1) | KR101869625B1 (ja) |
AU (1) | AU2014379553C1 (ja) |
WO (1) | WO2015112203A1 (ja) |
Cited By (2)
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KR102628884B1 (ko) * | 2015-11-27 | 2024-01-26 | 엘지디스플레이 주식회사 | 유기발광 다이오드 표시장치 |
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KR102613853B1 (ko) * | 2016-12-19 | 2023-12-18 | 엘지디스플레이 주식회사 | 유기발광 다이오드 표시장치 |
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JP6623164B2 (ja) | 2019-12-18 |
US9337247B2 (en) | 2016-05-10 |
WO2015112203A1 (en) | 2015-07-30 |
EP3097594B1 (en) | 2023-06-28 |
US20150206931A1 (en) | 2015-07-23 |
EP4236656A2 (en) | 2023-08-30 |
AU2014379553B2 (en) | 2017-09-28 |
AU2014379553C1 (en) | 2018-04-05 |
EP4236656A3 (en) | 2023-11-01 |
AU2014379553A1 (en) | 2016-07-07 |
KR101869625B1 (ko) | 2018-06-20 |
EP3097594A1 (en) | 2016-11-30 |
KR20160101097A (ko) | 2016-08-24 |
EP3097594A4 (en) | 2017-06-07 |
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