DRIVE CONTROL METHOD AND APPARATUS, AND DISPLAY DEVICE

    公开(公告)号:US20210157608A1

    公开(公告)日:2021-05-27

    申请号:US16647131

    申请日:2019-03-29

    发明人: Shuhuan Yu Xin Duan

    IPC分类号: G06F9/4401 G06F9/38 G06F9/445

    摘要: Disclosed are a drive control method and apparatus and a display device. The drive control method may be applied to a controller, and include: adding at least one configuration instruction into a target region of one row of data to obtain a target row of data, wherein the configuration instruction is intended for self-configuration of a drive parameter by a first driver chip, and the target region includes at least one of a blank region and a region where display data is located; and sending the target row of data to the first driver chip.

    Driving method and driving circuit for backlight, backlight and display apparatus

    公开(公告)号:US11455963B2

    公开(公告)日:2022-09-27

    申请号:US16320707

    申请日:2018-04-24

    IPC分类号: G09G3/34 G09G5/10

    摘要: A driving method for a backlight is provided. The backlight includes a plurality of light-emitting elements, and the driving method includes steps of calculating a brightness difference value of an image to be displayed; and determining whether the brightness difference value of the image to be displayed is greater than a predetermined difference value of the image. When the brightness difference value of the image to be displayed is determined to be greater than the predetermined difference value of the image, the method includes steps of dividing the image to be displayed into a plurality of sub-regions; partitioning the backlight according to brightness difference values of the plurality of sub-regions to obtain a plurality of final light-emitting regions of the backlight; and driving the backlight to emit light according to the plurality of final light-emitting regions. The present disclosure further provides a driving circuit, a backlight and a display device.

    Data compensation method and apparatus for liquid crystal display screen

    公开(公告)号:US10768455B2

    公开(公告)日:2020-09-08

    申请号:US15743255

    申请日:2017-07-21

    IPC分类号: G02F1/13 G02F1/13363 G09G3/36

    摘要: A data compensation method and apparatus for a liquid crystal display screen are described herein. Said method comprises determining a timing length ΔT′ from the last turn-off of the liquid crystal display screen upon turn-on of the liquid crystal display screen, and determining a mura data compensation table am called at the time of the last turn-off; determining a mura data compensation table to be called at the time of the present turn-on according to a pre-set time length T needed for stabilization of mura, mura data compensation tables corresponding to pre-set different time periods, said timing length ΔT′, and said mura data compensation table am; performing data compensation starting from the determined mura data compensation table to be called at the time of the present turn-on. By using said method for data compensation, an appropriate initial data compensation table can be determined to obtain a better compensation effect.

    Frequency signal generating system and display device
    4.
    发明授权
    Frequency signal generating system and display device 有权
    频率信号发生系统和显示装置

    公开(公告)号:US09425810B2

    公开(公告)日:2016-08-23

    申请号:US14361405

    申请日:2013-12-20

    IPC分类号: H03L7/06 H03L7/18 H03L7/099

    摘要: A frequency signal generating system comprises a digital phase-locked loop for receiving a source frequency signal; a loop filter for filtering out high frequency components of a signal output from the digital phase-locked loop; and a voltage controlled oscillator for outputting a target frequency signal according to a signal from the loop filter, wherein an output terminal of the voltage controlled oscillator is connected to a first output terminal of the digital phase-locked loop so that the target frequency signal output from the voltage controlled oscillator is fed back to the digital phase-locked loop, the digital phase-locked loop performs frequency-dividing and phase-detecting on the source frequency signal and the fed back target frequency signal so that the target frequency signal output from the voltage controlled oscillator and the source frequency signal satisfy a definite mathematical relationship therebetween.

    摘要翻译: 频率信号发生系统包括用于接收源频率信号的数字锁相环; 用于滤除从数字锁相环输出的信号的高频分量的环路滤波器; 以及压控振荡器,用于根据来自环路滤波器的信号输出目标频率信号,其中压控振荡器的输出端连接到数字锁相环的第一输出端,​​使得目标频率信号输出 从压控振荡器反馈到数字锁相环,数字锁相环对源极频率信号和反馈目标频率信号进行分频和相位检测,使得目标频率信号从 压控振荡器和源极频率信号之间具有确定的数学关系。

    Frequency Signal Generating System and Display Device
    5.
    发明申请
    Frequency Signal Generating System and Display Device 有权
    频率信号发生系统和显示设备

    公开(公告)号:US20150236708A1

    公开(公告)日:2015-08-20

    申请号:US14361405

    申请日:2013-12-20

    IPC分类号: H03L7/18 H03L7/099

    摘要: A frequency signal generating system comprises a digital phase-locked loop for receiving a source frequency signal; a loop filter for filtering out high frequency components of a signal output from the digital phase-locked loop; and a voltage controlled oscillator for outputting a target frequency signal according to a signal from the loop filter, wherein an output terminal of the voltage controlled oscillator is connected to a first output terminal of the digital phase-locked loop so that the target frequency signal output from the voltage controlled oscillator is fed back to the digital phase-locked loop, the digital phase-locked loop performs frequency-dividing and phase-detecting on the source frequency signal and the fed back, target frequency signal so that the target frequency signal output from the voltage controlled oscillator and the source frequency signal satisfy a definite mathematical relationship therebetween.

    摘要翻译: 频率信号发生系统包括用于接收源频率信号的数字锁相环; 用于滤除从数字锁相环输出的信号的高频分量的环路滤波器; 以及压控振荡器,用于根据来自环路滤波器的信号输出目标频率信号,其中压控振荡器的输出端连接到数字锁相环的第一输出端,​​使得目标频率信号输出 从压控振荡器反馈到数字锁相环,数字锁相环对源频率信号和反馈目标频率信号进行分频和相位检测,使目标频率信号输出 来自压控振荡器和源极频率信号之间的确定的数学关系。

    Drive control method and assembly, as well as display device

    公开(公告)号:US11455926B2

    公开(公告)日:2022-09-27

    申请号:US16339419

    申请日:2018-11-20

    IPC分类号: G09G3/20 H03M5/12

    摘要: A drive control method, assembly, and a display device. The method is applied to a timer controller. The method comprises: generating a point-to-point configuration instruction that comprises n configuration data where n≥2; sending the point-to-point configuration instruction to a first source driver chip through a first signal line, the first source driver chip being any one of a plurality of source driver chips; and receiving a configuration response instruction sent by the first source driver chip according to the point-to-point configuration instruction through the first signal line, the configuration response instruction comprising configuration response data for each of the n configuration data.

    Non-touch control apparatus and control method thereof

    公开(公告)号:US10042428B2

    公开(公告)日:2018-08-07

    申请号:US15160512

    申请日:2016-05-20

    IPC分类号: G06F3/043 G06F3/01

    摘要: An embodiment of the present disclosure provides a non-touch control apparatus, including: a main control integrated circuit, an ultrasonic generating circuit, a first transducer device and a second transducer device, wherein the main control integrated circuit is configured to, in response to a condition that the device is in a non-touch control mode, switch on the ultrasonic generating circuit so as to control the second transducer device to send out a first acoustic wave signal, the first transducer device is configured to be capable of receiving a second acoustic wave signal including the first acoustic wave signal, converting the second acoustic wave signal into a first electric signal, and outputting the first electric signal, wherein, the main control integrated circuit is configured to be capable of receiving a second electric signal derived from the first electric signal.