WO2018153082A1 - 一种阵列基板及显示装置 - Google Patents
一种阵列基板及显示装置 Download PDFInfo
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- WO2018153082A1 WO2018153082A1 PCT/CN2017/102952 CN2017102952W WO2018153082A1 WO 2018153082 A1 WO2018153082 A1 WO 2018153082A1 CN 2017102952 W CN2017102952 W CN 2017102952W WO 2018153082 A1 WO2018153082 A1 WO 2018153082A1
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- Prior art keywords
- array substrate
- gate line
- display device
- gate
- driving
- Prior art date
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- 239000000758 substrate Substances 0.000 title claims abstract description 80
- 239000010409 thin film Substances 0.000 claims description 30
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 43
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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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
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- 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
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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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
Definitions
- the present disclosure relates to the field of display technologies, and in particular, to an array substrate and a display device.
- liquid crystal display technology is widely used in other display devices such as televisions and mobile phones, and people are paying more and more attention to the display effect of liquid crystal display devices.
- the liquid crystal display device when the liquid crystal display device is driven, if the voltage at the driving start is higher than the voltage at the driving terminal, the display luminance of each pixel unit in the liquid crystal display device is uneven, and the display effect of the liquid crystal display device is poor.
- the present disclosure has been made in order to provide an array substrate and corresponding display device that overcomes the above problems or at least partially solves the above problems.
- an array substrate including a gate line formed on a substrate, a data line, and a pixel unit defined by an adjacent gate line and an adjacent data line, the gate line being driven from a driving end to a driving The terminal gradually widens.
- the driving start ends of the adjacent two gate lines in the array substrate are opposite in direction.
- the driving start ends of the adjacent two gate lines in the array substrate are the same.
- the width of the driving terminal side of the gate line is the same as the original gate line width.
- each of the pixel units is connected to one gate line and one data line.
- the pixel unit includes a pixel electrode, a common electrode, and a thin film transistor.
- the thin film transistor is located on the upper left or lower left side or the upper right side or the lower right side of the pixel unit.
- a gate of the thin film transistor is connected to the gate line, a source of the thin film transistor is connected to the data line, and a drain of the thin film transistor is connected to the pixel electrode.
- the gate lines are crossed and insulated from the data lines.
- the material of the pixel electrode and the common electrode is indium tin oxide.
- a display device including the above array base board.
- the present disclosure has the following advantages:
- the array substrate includes gate lines, data lines, and pixel cells defined by adjacent gate lines and adjacent data lines formed on the substrate, the gate lines being driven from the beginning Gradually widen to the drive terminal.
- the width of the driving start end of the gate line in the array substrate is smaller than the width of the driving terminal, so that the impedance of the driving start end is greater than the impedance of the driving terminal, and the voltage difference between the driving start end and the driving terminal caused by the large RC delay of the driving terminal is reduced, thereby solving
- the voltage at the beginning of the driving is higher than the voltage of the driving terminal, resulting in uneven display brightness of each pixel unit in the liquid crystal display device, and the display effect of the liquid crystal display device is poor.
- the non-equal width gate line is used to improve each pixel in the liquid crystal display device.
- the uniformity of the display brightness of the unit improves the quality and yield of the liquid crystal display device, and improves the display effect of the liquid crystal display device.
- 1 is a schematic structural view of a conventional array substrate
- FIG. 2 is a schematic structural view of an array substrate according to the present disclosure
- FIG. 3 is a schematic view showing the structure of one pixel unit in an array substrate according to the present disclosure.
- the array substrate includes each row of gate lines, each column of data lines, and pixel units defined by adjacent gate lines and adjacent data lines, and each row of gate lines drives the start end and the drive terminal.
- the width is the same.
- the row gate lines include: a gate line 11, a gate line 12, a gate line 13, a gate line 14, a gate line 15, a gate line 16, a gate line 17, and a gate line 18.
- the data lines of the columns include: a data line 21
- the data line 22, the data line 23, the data line 24, the data line 25, the data line 26, and the data line 27 are vertically crossed and insulated from each of the column lines, wherein the gate line 11 is surrounded by the data lines.
- the occluded area is vertically intersected and insulated from each column of data lines, and the gate line 111, the gate line 112, the gate line 113, the gate line 114, the gate line 115, the gate line 116, and the area blocked by the data lines of each column All are part of the gate line 11, and the pixel unit 31 is composed of the gate line 11, the gate line 12 and the data line 21,
- the data line 22 is defined such that the width d1 of the left side of the gate line 11 is the same as the width d2 of the right side, and the driving start end of the gate line 11 and the width of the driving terminal are the same.
- the RC delay of the driving terminal is larger than the RC delay of the driving end, the RC delay.
- the loss of the gate signal corresponding to the gate line is correspondingly increased, causing the voltage at the beginning of the drive to be higher than the voltage at the driving terminal, so that the display brightness of each pixel unit in the liquid crystal display device The display performance of the liquid crystal display device is poor.
- the present disclosure provides the following array substrate and display device.
- FIG. 2 a schematic structural view of an array substrate according to the present disclosure is shown.
- An embodiment of the present disclosure provides an array substrate, including: a substrate, a gate line formed on the substrate, a data line, and a pixel unit defined by the adjacent gate line and the adjacent data line, wherein the width of the gate line driving start is smaller than The width of the drive terminal.
- the gate line is gradually widened from the beginning of the drive to the drive terminal.
- the array substrate includes a gate line 41 and a gate line 42, a data line 21 and a data line 22, and a pixel unit 32 defined by the adjacent gate line 41, the gate line 42 and the adjacent data line 21 and the data line 22.
- the width d1 of the left side of the line 42 is larger than the width d2 of the right side, and the gate line 42 drives the pixel unit from the right to the left, and the width d2 of the start line of the gate line 42 is smaller than the width d1 of the driving terminal.
- Area A represents a partial schematic view of one pixel unit in the array substrate.
- a control chip is disposed on each of the left and right sides of the array substrate for providing a gate signal to each of the gate lines.
- the gate signal is provided for the even-numbered row gate lines
- the second control chip on the right side of the array substrate is used to supply the gate signals to the odd-numbered gate lines.
- even rows The gate line drives the pixel unit from left to right, and the odd-numbered gate lines drive the pixel unit from right to left; or, for the first control chip on the left side of the array substrate, for providing gate signals to the odd-numbered gate lines, the array substrate is right
- the second control chip on the side is used to provide gate signals to the even-numbered row gate lines.
- the odd-numbered gate lines drive the pixel cells from left to right
- the even-numbered gate lines drive the pixel cells from right to left.
- the odd row gate line and the even row gate line respectively drive the pixel unit from both sides to facilitate connection between the control chip on both sides and the gate line.
- the gate lines are arranged in a row in the array substrate.
- the gate lines in the array substrate may be arranged in rows or Column arrangement; when the gate lines in the array substrate are arranged in a row, the data lines in the array substrate are arranged in columns, and when the gate lines in the array substrate are arranged in columns, the data lines in the array substrate are arranged in a row.
- the embodiments of the present disclosure are not limited herein.
- a control chip is disposed on the left or right side of the array substrate for providing a gate signal to each of the gate lines.
- the driving start ends of the adjacent two gate lines in the array substrate have the same direction.
- the present disclosure has the following advantages:
- the array substrate of the embodiment of the present disclosure includes a gate line formed on the substrate, a data line, and a pixel unit defined by the adjacent gate line and the adjacent data line, the gate line being gradually widened from the driving start end to the driving terminal.
- the width of the driving start end of the gate line in the array substrate is smaller than the width of the driving terminal, so that the impedance of the driving start end is greater than the impedance of the driving terminal, and the voltage difference between the driving start end and the driving terminal caused by the large RC delay of the driving terminal is reduced, thereby solving
- the voltage at the beginning of the driving is higher than the voltage of the driving terminal, resulting in uneven display brightness of each pixel unit in the liquid crystal display device, and the display effect of the liquid crystal display device is poor.
- the non-equal width gate line is used to improve each pixel in the liquid crystal display device.
- the uniformity of the display brightness of the unit improves the quality and yield of the liquid crystal display device, and improves the display effect of the liquid crystal display device.
- FIG. 3 a schematic structural view of one pixel unit in an array substrate according to the present disclosure is shown.
- FIG. 3 is a partially enlarged schematic view of a region A in FIG. 2.
- An embodiment of the present disclosure provides a pixel unit in an array substrate, wherein each pixel unit 32 is connected to a gate line 42 and a data line 22, and the gate line 42 and the data line 22 are intersected and insulated, and the gate line 42 is The driving start to the driving terminal is gradually widened, wherein the pixel unit 32 includes the pixel electrode 321, the common electrode 322, and the thin film transistor 323.
- the thin film transistor 323 may be located on the upper left or lower left side or the upper right side or the lower right side of the pixel unit 32 to facilitate connection between the thin film transistor and the corresponding gate line and data line.
- the embodiments of the present disclosure are not limited herein.
- the gate of the thin film transistor is connected to the gate line, the source of the thin film transistor is connected to the data line, and the drain of the thin film transistor is connected to the pixel electrode.
- the gate signal input through the gate line turns on the thin film transistor, and the pixel signal is charged by the data signal input through the data line, thereby finally realizing the screen display of the pixel unit in the liquid crystal display device.
- the width of the driving terminal side of the gate line is the same as the width of the original gate line, and the original gate line width is the gate line width in the current array substrate, when the width of the driving terminal side of the gate line is the same as the original gate line width
- the width of the driving start side of the gate line can be reduced without affecting the size of the pixel unit.
- the material of the pixel electrode and the common electrode is indium tin oxide, and the indium tin oxide has good electrical conductivity and improves the electrical conductivity of the array substrate; the indium tin oxide can also be described as ITO (Indium tin oxide).
- the pixel electrode is located on the rear glass substrate of the array substrate, and the common electrode is located on the front glass substrate of the array substrate, and the liquid crystal is filled between the front glass substrate and the rear glass substrate.
- the thin film transistor is turned on by the gate signal in the gate line, the data signal in the data line conducts the data signal to the drain of the thin film transistor through the source of the thin film transistor, and the drain of the thin film transistor is connected to the pixel electrode of the pixel unit
- the data signal outputted from the drain of the thin film transistor supplies a voltage to the pixel electrode of the pixel unit, and an electric field is generated between the pixel electrode and the common electrode, and the liquid crystal between the pixel electrode and the common electrode is controlled to be sequentially arranged to realize the liquid crystal display device.
- the display of the pixel unit is controlled to be sequentially arranged to realize the liquid crystal display device.
- the voltage of the pixel electrode is related to the gate signal and the data signal.
- the voltage of the pixel electrode is proportional to the magnitude of the gate signal.
- the gate signal is larger, the degree of opening of the thin film transistor is greater.
- the difference of the gate signals corresponding to the respective pixel units is smaller, the display brightness of each pixel unit is closer, and the display brightness of each pixel unit in the liquid crystal display device is more uniform.
- the display brightness of each pixel unit in the liquid crystal display device is more uniform.
- the present disclosure has the following advantages:
- each pixel unit in the array substrate of the embodiment of the present disclosure is connected to one gate line and one data line, and the gate line is gradually widened from the driving start end to the driving terminal.
- the width of the driving start end of the gate line in the array substrate is smaller than the width of the driving terminal, so that the impedance of the driving start end is greater than the impedance of the driving terminal, and the voltage difference between the driving start end and the driving terminal caused by the large RC delay of the driving terminal is reduced, thereby solving
- the voltage at the beginning of the driving is higher than the voltage of the driving terminal, resulting in uneven display brightness of each pixel unit in the liquid crystal display device, and the display effect of the liquid crystal display device is poor.
- the non-equal width gate line is used to improve each pixel in the liquid crystal display device.
- the uniformity of the display brightness of the unit improves the quality and yield of the liquid crystal display device, and improves the display effect of the liquid crystal display device.
- Embodiments of the present disclosure provide a display device including the above array substrate.
- the array substrate includes a gate line formed on the substrate, a data line, and a pixel unit defined by the adjacent gate line and the adjacent data line, the gate line being gradually widened from the driving start end to the driving terminal.
- the driving start ends of the adjacent two gate lines in the array substrate are opposite or the same, and the width of the driving terminal side of the gate lines is the same as the original gate line width.
- Each pixel unit is connected with a gate line and a data line.
- the gate line and the data line are crossed and insulated, and the gate line is gradually widened from a driving start end to a driving terminal.
- the pixel unit includes a pixel electrode, a common electrode and a thin film transistor.
- the gate of the thin film transistor is connected to the gate line, the source of the thin film transistor is connected to the data line, the drain of the thin film transistor is connected to the pixel electrode, and the thin film transistor is located on the upper left or lower left side or the upper right side or the lower right side of the pixel unit.
- the material of the pixel electrode and the common electrode is indium tin oxide.
- the control chip separates the corresponding row driving signal and the column driving signal according to the data input by the motherboard circuit and the clock signal, and outputs to the corresponding gate line according to the row and column arrangement of the gate line and the data line in the array substrate.
- the data line providing the gate signal and the data signal for the gate line and the data line, turning on the thin film transistor through the gate signal in the gate line, charging the pixel electrode through the data signal of the data line, and making the pixel electrode An electric field is generated between the common electrodes, and the liquid crystal between the pixel electrode and the common electrode is controlled to be sequentially arranged to realize display of the pixel unit in the liquid crystal display device.
- the display device may be any product or component having a display function, such as a liquid crystal panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a navigator, and the like.
- a display function such as a liquid crystal panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a navigator, and the like.
- the present disclosure has the following advantages:
- a display device includes an array substrate, and a gate line in the array substrate is gradually widened from a driving start end to a driving terminal.
- the width of the driving start end of the gate line in the array substrate is smaller than the width of the driving terminal, so that the impedance of the driving end is greater than the impedance of the driving terminal, and the driving start end caused by the large RC delay of the driving terminal is reduced.
- the voltage difference from the driving terminal is solved, thereby solving the problem that the voltage at the driving end is higher than the voltage of the driving terminal, resulting in uneven display brightness of each pixel unit in the liquid crystal display device, and the display effect of the liquid crystal display device is poor, and the non-equal width is adopted.
- the gate line improves the uniformity of the display brightness of each pixel unit in the liquid crystal display device, improves the quality and yield of the liquid crystal display device, and improves the display effect of the liquid crystal display device.
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Abstract
Description
Claims (11)
- 一种阵列基板,包括基板,形成在所述基板上的栅线、数据线以及由相邻栅线和相邻数据线限定的像素单元,所述栅线的驱动始端的宽度小于驱动终端的宽度。
- 根据权利要求1所述的阵列基板,其中,所述栅线从驱动始端到驱动终端渐进变宽。
- 根据权利要求1所述的阵列基板,其中,所述阵列基板中相邻两条栅线的驱动始端的方向相反。
- 根据权利要求1所述的阵列基板,其中,所述阵列基板中相邻两条栅线的驱动始端的方向相同。
- 根据权利要求1所述的阵列基板,其中,所述每个像素单元连接一条栅线和一条数据线。
- 根据权利要求1所述的阵列基板,其中,所述像素单元包括像素电极、公共电极和薄膜晶体管。
- 根据权利要求6所述的阵列基板,其中,所述薄膜晶体管位于所述像素单元的左上侧或左下侧或右上侧或右下侧。
- 根据权利要求7所述的阵列基板,其中,所述薄膜晶体管的栅极与所述栅线连接,所述薄膜晶体管的源极与所述数据线连接,所述薄膜晶体管的漏极与所述像素电极连接。
- 根据权利要求8所述的阵列基板,其中,所述栅线与所述数据线之间交叉且绝缘。
- 根据权利要求6所述的阵列基板,其中,所述像素电极和所述公共电极的材料为氧化铟锡。
- 一种显示装置,所述显示装置包括如权利要求1-10任一项所述的阵列基板。
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- 2017-09-22 WO PCT/CN2017/102952 patent/WO2018153082A1/zh active Application Filing
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CN101685606A (zh) * | 2008-09-26 | 2010-03-31 | 联合聚晶股份有限公司 | 调整且产生扫描信号的方法及应用该方法的驱动装置 |
CN103676381A (zh) * | 2013-12-26 | 2014-03-26 | 南京中电熊猫液晶显示科技有限公司 | 一种液晶显示器及其驱动装置 |
CN104252071A (zh) * | 2014-09-24 | 2014-12-31 | 深圳市华星光电技术有限公司 | 液晶显示面板及其阵列基板 |
US20170004758A1 (en) * | 2015-07-02 | 2017-01-05 | Samsung Display Co., Ltd. | Display device |
CN106783890A (zh) * | 2017-02-07 | 2017-05-31 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法、显示装置 |
CN106773422A (zh) * | 2017-02-22 | 2017-05-31 | 合肥京东方光电科技有限公司 | 一种阵列基板及显示装置 |
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US20200272003A1 (en) | 2020-08-27 |
CN106773422A (zh) | 2017-05-31 |
US11126048B2 (en) | 2021-09-21 |
CN106773422B (zh) | 2018-08-03 |
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