Liquid crystal drop filling system and control method

    公开(公告)号:US10254594B2

    公开(公告)日:2019-04-09

    申请号:US15326363

    申请日:2016-02-24

    IPC分类号: G02F1/1341 G09G3/36 G02F1/13

    摘要: Embodiments of the present disclosure relates to a liquid crystal drop filling system comprising a liquid crystal drop filling device performing a liquid crystal drop filling process to obtain a liquid crystal panel; an image acquisition device acquiring an image of the liquid crystal panel; an image processor processing the acquired image and determining a defect of the liquid crystal panel based on the processed image; and a communication module communicating an information about the defect determined by the image processor to the liquid crystal drop filling device, so that the liquid crystal drop filling device can adjust parameters of the liquid crystal drop filling process according to the information. In addition, the present disclosure further discloses a control method of a liquid crystal drop filling system.

    Shift Register Unit, Gate Driving Circuit and Driving Method Thereof

    公开(公告)号:US20190066617A1

    公开(公告)日:2019-02-28

    申请号:US15766659

    申请日:2017-09-30

    发明人: Jian Zhao Hui Wang

    IPC分类号: G09G3/36 G11C19/28

    摘要: A shift register unit and a driving method thereof, a gate driving circuit, and an array substrate are provided, and the shift register unit includes: an input sub-circuit connected between a signal input terminal and a pull-up node, an output sub-circuit connected between the pull-up node and a signal output terminal; a reset sub-circuit connected between a reset terminal, the pull-up node and the signal output terminal; and a clock signal selection sub-circuit having input terminals connected to a first clock signal terminal and a second clock signal terminal, and a first output terminal connected to the output sub-circuit, and for selecting to provide either a first clock signal or a second clock signal to the output sub-circuit according to voltage levels at the first control terminal and the second control terminal.

    Shift register unit and method for driving the same, corresponding gate driving circuit and display device

    公开(公告)号:US10127995B2

    公开(公告)日:2018-11-13

    申请号:US15526315

    申请日:2016-05-30

    发明人: Mo Chen Jian Zhao

    IPC分类号: G11C19/28 G09G3/36

    摘要: The disclosure discloses a shift register and a method for driving the same, a corresponding gate driving circuit and a display device. In the shift register, a pull-up driving unit is connected with a pull-up unit via a pull-up node, a discharge auxiliary unit is used for pulling low the potential of the pull-up node according to a discharge control signal, a discharge driving unit is used for pulling high the potential of a gate line connected with the signal output terminal of the shift register according to the discharge control signal, and a reset unit is further used for pulling low again the potential of the gate line connected with the signal output terminal of the shift register, after the discharge driving unit pulls high the potential of the gate line and the outputting of it finishes.

    Shift register and driving method thereof, gate driving device

    公开(公告)号:US10095058B2

    公开(公告)日:2018-10-09

    申请号:US15740121

    申请日:2017-05-04

    发明人: Hui Wang Jian Zhao

    摘要: Embodiments of the present disclosure relate to a shift register and its driving method, a gate driving device and its driving method. The shift register comprises an input module, a reset module, a control module, a pull-up module, a pull-down module, an output gating module and an output pull-down module. The input module can provide an input signal to the pull-up control node according to the input signal. The reset module can provide a first voltage signal to the pull-up control node according to a reset signal. The pull-up module can provide a first clock signal to the cascade node according to the voltage of the pull-up control node. The control module can control the voltage of the pull-down control node according to the second clock signal and the voltage of the pull-up control node.

    Method for Determining Residual Image Level of Display Device and Detection Device
    18.
    发明申请
    Method for Determining Residual Image Level of Display Device and Detection Device 审中-公开
    确定显示设备和检测设备残留图像级别的方法

    公开(公告)号:US20170047047A1

    公开(公告)日:2017-02-16

    申请号:US15305492

    申请日:2015-03-13

    发明人: Jian Zhao

    IPC分类号: G09G5/10

    摘要: A method for determining a residual image level of a display device and a detection device. The method includes: lighting the display device based on a setting image type, and setting a plurality of detection positions on the display device based on the setting image type; converting a display image on the display device into a grayscale image with a setting level; detecting an actual brightness value of each detection position within a setting time after converting into a grayscale of the setting level; for each detection position, acquiring a brightness variation index of the detection position based on the acquired actual brightness value and a corresponding predetermined relationship between the actual brightness value and a theoretical brightness value of the grayscale of the setting level; and acquiring an residual image level of the display device in the grayscale of the setting level based on the acquired brightness variation index.

    摘要翻译: 一种用于确定显示装置和检测装置的残留图像水平的方法。 该方法包括:基于设置图像类型照亮显示设备,并且基于设置图像类型在显示设备上设置多个检测位置; 将显示装置上的显示图像转换成具有设定等级的灰度图像; 在转换成设定等级的灰度之后,在设定时间内检测各检测位置的实际亮度值; 对于每个检测位置,基于所获取的实际亮度值和实际亮度值与设定水平的灰度级的理论亮度值之间的对应的预定关系来获取检测位置的亮度变化指数; 并且基于所获取的亮度变化指数,在所述设定等级的灰阶中获取所述显示装置的残留图像水平。

    Touch method, touch circuit and touch device

    公开(公告)号:US11797122B2

    公开(公告)日:2023-10-24

    申请号:US17422427

    申请日:2020-09-25

    IPC分类号: G06F3/041

    摘要: A touch method, a touch circuit and a touch device are provided. The touch method includes: in ath touch time period, providing a touch driving signal to ath touch driving electrode; wherein a is a positive integer, a is less than or equal to A, and A is a positive integer; in ath background data detection time period, providing a touch accompanying signal to N touch driving electrodes adjacent to the ath touch driving electrode; wherein N is a positive integer; and performing touch detection according to ath touch sensing signal on touch sensing electrodes in the ath touch time period and ath background data voltage signal on the touch sensing electrodes in the ath background data detection time period; wherein an amplitude of the touch accompanying signal is less than an amplitude of the touch driving signal.

    Scan driving circuit and driving method thereof, array substrate and display device

    公开(公告)号:US10950153B2

    公开(公告)日:2021-03-16

    申请号:US16062763

    申请日:2017-11-15

    IPC分类号: G09G3/20 G11C19/28

    摘要: Provided are a scan driving circuit and driving method thereof, array substrate and a display device. The scan driving circuit includes output ends at m stages, input circuits at m stages, and q shift register circuits. A first end of the input circuit at the i-th stage is connected to the output end at the (i−1)-th stage, and i is any integer greater than 1 and less than m+1. Any shift register circuits is respectively connected to k output ends, and second ends of k input circuits, and the k input circuits have a same combination of stage numbers as k output ends, all stage numbers in same combination of stage numbers have the same parity, and k is greater than 1 and less than m. The shift register circuit is configured to output a scanning signal to one output ends, and outputting the scanning signal to which output ends is indicated by an external control signal.