JP6733054B2 - Lcdアレイ基板、lcdパネル及びlcd画素回路 - Google Patents
Lcdアレイ基板、lcdパネル及びlcd画素回路 Download PDFInfo
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- 239000010409 thin film Substances 0.000 claims description 66
- 239000003990 capacitor Substances 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 23
- 239000004973 liquid crystal related substance Substances 0.000 claims description 22
- 230000003071 parasitic effect Effects 0.000 claims description 8
- 206010047571 Visual impairment Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136213—Storage capacitors associated with the pixel electrode
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133397—Constructional arrangements; Manufacturing methods for suppressing after-image or image-sticking
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- G—PHYSICS
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/136295—Materials; Compositions; Manufacture processes
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
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- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Claims (8)
- LCDアレイ基板であって、基板と、基板に形成された複数のゲート線及びデータ線とを有し、前記ゲート線と前記データ線は交差して設置され、複数の画素ユニットを形成しており、各画素ユニット内には画素電極及び第1薄膜トランジスタが形成されており、当該各画素ユニットはゲート線により制御される接続スイッチをさらに含み、前記接続スイッチは、所在する画素ユニットの同列前行の画素ユニットに位置する画素電極と同列次行の画素ユニットに位置する画素電極との間に設置されており、前記所在する画素ユニットの同列前行の画素ユニットに位置する画素電極と同列次行の画素ユニットに位置する画素電極との間を電気接続するよう導通制御されるものであり、
前記接続スイッチは第2薄膜トランジスタであり、前記第2薄膜トランジスタのゲート電極は、同列同行の画素ユニット内に形成されている前記第1薄膜トランジスタに接続されたゲート線と接続されているものであり、前記第2薄膜トランジスタのソース電極は同列前行の画素ユニットに位置する画素電極と接続されているものであり、前記第2薄膜トランジスタのドレイン電極は同列次行の画素ユニットに位置する画素電極と接続されているものである、
LCDアレイ基板。 - 請求項1に記載のLCDアレイ基板において、各画素ユニット内にはさらに金属ラインが設置されており、前記第2薄膜トランジスタのソース電極は同列同行の画素ユニット内に設置された前記金属ラインを介して同列前行の画素ユニットに位置する画素電極と接続されているものであり、前記第2薄膜トランジスタのドレイン電極は同列同行の画素ユニット内に設置された前記金属ラインを介して同列次行の画素ユニットに位置する画素電極と接続されているものである、LCDアレイ基板。
- 請求項2に記載のLCDアレイ基板において、前記金属ラインはITOラインであり、当該ITOラインは画素電極と同じ層に設置されている、LCDアレイ基板。
- カラーフィルタ基板と液晶層とを有し、さらに請求項1に記載のLCDアレイ基板を有するLCDパネルであって、前記カラーフィルタ基板は前記LCDアレイ基板と対向して設置されているものであり、前記液晶層は前記カラーフィルタ基板と前記LCDアレイ基板との間に設置されているものである、LCDパネル。
- 複数のゲート線と、複数のデータ線と、複数のゲート線と複数のデータ線が交差して設置されることにより画定される複数の画素ユニットとを有するLCD画素回路であって、前記各画素ユニットは第1薄膜トランジスタとキャパシタとを有し、前記キャパシタは、前記第1薄膜トランジスタを介してデータ線と接続されており、前記画素ユニットはゲート線により制御される接続スイッチをさらに有し、前記接続スイッチは、所在する画素ユニットの同列前行の画素ユニットに位置する第1薄膜トランジスタのドレイン電極と同列次行の画素ユニットに位置する第1薄膜トランジスタのドレイン電極を接続または遮断するよう前記ゲート線により制御されるものであり、
前記接続スイッチは第2薄膜トランジスタであり、前記第2薄膜トランジスタのゲート電極は、同列同行の画素ユニット内に形成されている前記第1薄膜トランジスタに接続されたゲート線と接続されているものであり、前記第2薄膜トランジスタのソース電極は同列前行の画素ユニットに位置する画素電極と接続されているものであり、前記第2薄膜トランジスタのドレイン電極は同列次行の画素ユニットに位置する画素電極と接続されているものである、
LCD画素回路。 - 請求項5に記載の画素回路において、前記ゲート線が高電位を入力した時、前記第2薄膜トランジスタは導通し、同列前行の画素ユニットに位置する第1薄膜トランジスタのドレイン電極と同列次行の画素ユニットに位置する第1薄膜トランジスタのドレイン電極を接続するものである、画素回路。
- 請求項5に記載の画素回路において、前記キャパシタは、寄生キャパシタ、液晶キャパシタ及びストレージキャパシタを有するものである、画素回路。
- 請求項6に記載の画素回路において、前記キャパシタは、寄生キャパシタ、液晶キャパシタ及びストレージキャパシタを有するものである、画素回路。
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CN201710082276.2 | 2017-02-15 | ||
CN201710082276.2A CN106707647B (zh) | 2017-02-15 | 2017-02-15 | 一种lcd阵列基板、lcd面板及lcd像素电路 |
PCT/CN2017/077090 WO2018149012A1 (zh) | 2017-02-15 | 2017-03-17 | 一种lcd阵列基板、lcd面板及lcd像素电路 |
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CN107991817A (zh) * | 2017-11-29 | 2018-05-04 | 武汉华星光电技术有限公司 | 一种显示面板及其制造方法和控制方法 |
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TW567463B (en) * | 2002-03-06 | 2003-12-21 | Chi Mei Optoelectronics Corp | Display panel having time-domain multiplex driving circuit |
US7358949B2 (en) * | 2004-02-25 | 2008-04-15 | Au Optronics Corp. | Liquid crystal display device pixel and drive circuit |
JP2005274859A (ja) * | 2004-03-24 | 2005-10-06 | Casio Comput Co Ltd | 表示装置及びその駆動制御方法 |
KR100568596B1 (ko) * | 2004-03-25 | 2006-04-07 | 엘지.필립스 엘시디 주식회사 | 일렉트로-루미네센스 표시장치와 그의 구동방법 |
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KR101429904B1 (ko) * | 2006-12-26 | 2014-08-14 | 엘지디스플레이 주식회사 | 액정표시장치 및 이의 리페어 방법 |
JP2008304659A (ja) * | 2007-06-07 | 2008-12-18 | Hitachi Displays Ltd | 表示装置 |
KR101252091B1 (ko) * | 2008-10-28 | 2013-04-12 | 엘지디스플레이 주식회사 | 수평 전계형 액정표시장치 |
TWI391768B (zh) * | 2009-05-20 | 2013-04-01 | Au Optronics Corp | 液晶顯示裝置 |
TWI415100B (zh) * | 2010-12-30 | 2013-11-11 | Au Optronics Corp | 可補償饋通電壓之液晶顯示面板 |
CN102610205A (zh) * | 2012-03-29 | 2012-07-25 | 深圳市华星光电技术有限公司 | 馈通电压补偿电路、液晶显示装置和馈通电压补偿方法 |
KR102138369B1 (ko) * | 2013-10-10 | 2020-07-28 | 삼성전자주식회사 | 디스플레이 구동 회로, 디스플레이 장치 및 이를 포함하는 휴대용 단말기 |
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2017
- 2017-02-15 CN CN201710082276.2A patent/CN106707647B/zh active Active
- 2017-03-17 PL PL17896430.0T patent/PL3584631T3/pl unknown
- 2017-03-17 ES ES17896430T patent/ES2910206T3/es active Active
- 2017-03-17 EP EP17896430.0A patent/EP3584631B1/en active Active
- 2017-03-17 WO PCT/CN2017/077090 patent/WO2018149012A1/zh active Application Filing
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KR20190110620A (ko) | 2019-09-30 |
JP2019534481A (ja) | 2019-11-28 |
PL3584631T3 (pl) | 2022-07-18 |
KR102248577B1 (ko) | 2021-05-04 |
CN106707647A (zh) | 2017-05-24 |
EP3584631B1 (en) | 2022-01-26 |
EP3584631A4 (en) | 2020-10-14 |
EP3584631A1 (en) | 2019-12-25 |
WO2018149012A1 (zh) | 2018-08-23 |
CN106707647B (zh) | 2019-02-26 |
ES2910206T3 (es) | 2022-05-11 |
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