JP7290629B2 - 表示装置 - Google Patents
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- JP7290629B2 JP7290629B2 JP2020510165A JP2020510165A JP7290629B2 JP 7290629 B2 JP7290629 B2 JP 7290629B2 JP 2020510165 A JP2020510165 A JP 2020510165A JP 2020510165 A JP2020510165 A JP 2020510165A JP 7290629 B2 JP7290629 B2 JP 7290629B2
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
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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
- G09G3/3685—Details of drivers for data electrodes
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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
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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
- G02F1/13624—Active matrix addressed cells having more than one switching element per 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
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0417—Special arrangements specific to the use of low carrier mobility technology
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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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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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
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
本実施の形態では、本発明の一態様である表示装置、及びその動作方法について図面を用いて説明する。
<表示装置の構成例>
本実施の形態では、本発明の一態様の表示装置の構成例について図面を用いて説明する。
図13(A)乃至(C)に、画素の上面図を示す。図13(A)は、ゲート221a及びゲート221bから共通電極123aまでの積層構造を共通電極123a側から見た上面図である。図13(B)は、図13(A)の積層構造から共通電極123aを除いた上面図であり、図13(C)は、図13(A)の積層構造から共通電極123a及び画素電極121を除いた上面図である。
図14に、表示装置の断面図を示す。なお、画素の断面構造については、図13(A)に示す一点鎖線B1-B2間の断面図に相当する。
次に、本実施の形態の表示装置の各構成要素に用いることができる材料等の詳細について、説明を行う。
本実施の形態の表示装置が有するトランジスタの半導体層には、酸化物半導体として機能する金属酸化物を用いることが好ましい。以下では、半導体層に適用可能な金属酸化物について説明する。
本実施の形態では、本発明の一態様で開示されるトランジスタに用いることができるCAC(Cloud-Aligned Composite)-OSの構成について説明する。
本実施の形態では、本発明の一態様の電子機器について図面を用いて説明する。
Claims (3)
- 複数の画素を有し、
複数の前記画素はそれぞれ、第1のトランジスタと、第2のトランジスタと、第1の容量素子と、第2の容量素子と、液晶素子と、を有し、
前記第1のトランジスタのソース又はドレインの一方は、第1のデータ線と電気的に接続され、
前記第1のトランジスタのソース又はドレインの他方は、前記第1の容量素子の一対の電極のうちの一方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの一方は、第2のデータ線と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記第1の容量素子の一対の電極のうちの他方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記第2の容量素子の一対の電極のうちの一方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記液晶素子と電気的に接続され、
前記第1の容量素子の容量値は、前記第2の容量素子の容量値よりも大きい、表示装置であって、
前記第1のトランジスタのソース又はドレインの他方と電気的に接続される導電層を有し、
前記第1の容量素子は、前記導電層を一対の電極のうちの一方とし、前記液晶素子の画素電極を一対の電極のうちの他方とし、
前記第2の容量素子は、前記画素電極を一対の電極のうちの一方とし、前記液晶素子の共通電極を一対の電極のうちの他方とし、
前記画素において、前記導電層と前記画素電極との間に配置される第1の絶縁層の厚さは、前記画素電極と前記共通電極の間に配置される第2の絶縁層の厚さよりも薄い、表示装置。 - 複数の画素を有し、
複数の前記画素はそれぞれ、第1のトランジスタと、第2のトランジスタと、第1の容量素子と、第2の容量素子と、液晶素子と、を有し、
前記第1のトランジスタのソース又はドレインの一方は、第1のデータ線と電気的に接続され、
前記第1のトランジスタのソース又はドレインの他方は、前記第1の容量素子の一対の電極のうちの一方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの一方は、第2のデータ線と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記第1の容量素子の一対の電極のうちの他方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記第2の容量素子の一対の電極のうちの一方と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、前記液晶素子と電気的に接続され、
前記第1の容量素子の容量値は、前記第2の容量素子の容量値よりも大きい、表示装置であって、
前記第1のトランジスタのソース又はドレインの他方と電気的に接続される導電層を有し、
前記第1の容量素子は、前記導電層を一対の電極のうちの一方とし、前記液晶素子の画素電極を一対の電極のうちの他方とし、
前記第2の容量素子は、前記画素電極を一対の電極のうちの一方とし、前記液晶素子の共通電極を一対の電極のうちの他方とし、
前記画素において、前記導電層と前記画素電極とが重なる領域の面積は、前記画素電極と前記共通電極とが重なる領域の面積よりも大きい、表示装置。 - 請求項1又は請求項2において、
前記第1のデータ線を介した前記画素への第1の電位の供給と、前記第2のデータ線を介した前記画素への第2の電位の供給と、を並行して行った後、前記第2のデータ線を介して前記画素に第3の電位を供給することにより、前記画素に保持された前記第1の電位を第4の電位に変化させ、前記第4の電位を前記画素電極に印加し、
前記第2の電位は、前記第1の電位を基に算出される電位であり、
前記第2の電位の値が、前記共通電極に印加される電位以下である場合は、前記第3の電位は、前記共通電極に印加される電位より高く、
前記第2の電位の値が、前記共通電極に印加される前記電位以上である場合は、前記第3の電位は、前記共通電極に印加される前記電位より低い、表示装置。
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JP2023090988A JP2023111947A (ja) | 2018-03-29 | 2023-06-01 | 表示装置の動作方法 |
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JP2018065067 | 2018-03-29 | ||
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PCT/IB2019/052292 WO2019186332A1 (ja) | 2018-03-29 | 2019-03-21 | 表示装置の動作方法 |
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JPWO2019186332A5 JPWO2019186332A5 (ja) | 2022-10-17 |
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US (1) | US11645992B2 (ja) |
JP (2) | JP7290629B2 (ja) |
KR (1) | KR20200128166A (ja) |
CN (1) | CN111886645B (ja) |
TW (1) | TWI826429B (ja) |
WO (1) | WO2019186332A1 (ja) |
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CN112639944A (zh) | 2018-09-12 | 2021-04-09 | 株式会社半导体能源研究所 | 显示装置 |
Citations (4)
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WO2003075077A3 (en) | 2002-03-07 | 2003-11-27 | Samsung Electronics Co Ltd | Liquid crystal display and thin film transistor array panel therefor |
JP2004272259A (ja) | 2003-03-06 | 2004-09-30 | Samsung Electronics Co Ltd | 液晶表示装置 |
JP2009128900A (ja) | 2007-11-26 | 2009-06-11 | Samsung Electronics Co Ltd | 液晶表示装置 |
US20120086700A1 (en) | 2009-06-29 | 2012-04-12 | Sharp Kabushiki Kaisha | Display Device And Method For Driving Same |
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JP3483759B2 (ja) * | 1998-03-19 | 2004-01-06 | 株式会社東芝 | 液晶表示装置 |
JP2002023709A (ja) * | 2000-07-11 | 2002-01-25 | Seiko Epson Corp | 電気光学装置、およびその駆動方法並びにそれを用いた電子機器 |
JP2003108098A (ja) * | 2001-09-29 | 2003-04-11 | Toshiba Corp | 平面表示装置 |
EP1777689B1 (en) | 2005-10-18 | 2016-08-10 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, and display device and electronic equipment each having the same |
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- 2019-03-21 CN CN201980021028.4A patent/CN111886645B/zh active Active
- 2019-03-27 TW TW108110765A patent/TWI826429B/zh active
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JP2023111947A (ja) | 2023-08-10 |
WO2019186332A1 (ja) | 2019-10-03 |
KR20200128166A (ko) | 2020-11-11 |
TWI826429B (zh) | 2023-12-21 |
CN111886645B (zh) | 2022-09-02 |
CN111886645A (zh) | 2020-11-03 |
TW201942892A (zh) | 2019-11-01 |
JPWO2019186332A1 (ja) | 2021-05-13 |
US11645992B2 (en) | 2023-05-09 |
US20210005155A1 (en) | 2021-01-07 |
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