BACKLIGHT DATA TRANSMISSION METHOD, MICRO CONTROL UNIT AND LOCAL DIMMING BACKLIGHT SYSTEM

    公开(公告)号:US20240038182A1

    公开(公告)日:2024-02-01

    申请号:US17639166

    申请日:2021-04-26

    IPC分类号: G09G3/34

    CPC分类号: G09G3/342 G09G2370/00

    摘要: The present disclosure provides a backlight data transmission method including: receiving, in response to a first vertical synchronization signal of a current image frame sent from a logic circuit board, an entire of backlight data sent from the logic circuit board during a first preset time period, where the entire backlight data includes backlight data corresponding to backlight regions, and duration of the first preset time period is longer than duration of the first vertical synchronization signal in an active level state during one period; and sending the entire backlight data to a backlight driving module during a second preset time period after the first preset time period, where a sum of the duration of the first preset time period and duration of the second preset time period is less than a period of the first vertical synchronization signal.

    DISPLAY APPARATUS
    3.
    发明申请

    公开(公告)号:US20230067995A1

    公开(公告)日:2023-03-02

    申请号:US17918994

    申请日:2021-02-19

    IPC分类号: H05K5/00 H05K5/02 H05K9/00

    摘要: A display apparatus includes a housing; a back plate on the housing; a metal bezel clamped with the back plate at a side of the back plate; a display module and a display driving board on a side of the back plate away from the housing. An insulating material layer is provided between the back plate and the display driving board, which directly increases an impedance of a path for static electricity from the back plate to the display driving board; a side of the display module is fixed to the metal bezel by an insulating member, indirectly increasing an impedance of a path of the static electricity entering the display driving board through the display module. Therefore, most of the static electricity is discharged through other paths with small impedance, so that the static electricity less enters a signal ground plane.

    DATA COMPENSATION METHOD AND APPARATUS FOR LIQUID CRYSTAL DISPLAY SCREEN

    公开(公告)号:US20200081278A1

    公开(公告)日:2020-03-12

    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.

    VOLTAGE COMPENSATION CIRCUIT AND VOLTAGE COMPENSATION METHOD THEREOF, DISPLAY PANEL, AND DISPLAY APPARATUS

    公开(公告)号:US20180137832A1

    公开(公告)日:2018-05-17

    申请号:US15720109

    申请日:2017-09-29

    IPC分类号: G09G3/36 G09G3/20 G05F1/56

    CPC分类号: G09G3/3696 G09G3/3674

    摘要: Provided are voltage compensation circuit, voltage compensation method thereof, display panel and display apparatus. The voltage compensation circuit includes counting unit, voltage generation unit, compensation voltage output unit and power supply unit; the counting unit is connected with timing control unit of a display panel and the voltage generation unit, and configured to count rising edges output from the timing control unit and output corresponding control signal based on the counted number of rising edges; the voltage generation unit is connected with the compensation voltage output unit and configured to output corresponding control voltage based on the control signal output from the counting unit; the compensation voltage output unit is connected with feedback terminal and voltage output terminal of the power supply unit and low level terminal, and configured to output corresponding compensation voltage to the voltage output terminal based on the control voltage output from the voltage generation unit.

    Display Panel and Manufacturing Method Thereof, Control Method and Display Apparatus

    公开(公告)号:US20220270559A1

    公开(公告)日:2022-08-25

    申请号:US17500964

    申请日:2021-10-14

    摘要: Provided are a display panel and manufacturing method thereof, control method and display apparatus. The display panel includes a first substrate including first base substrate and driving structure layer, and a second substrate including second base substrate and black matrix layer, driving structure layer includes multiple switching transistors, the display panel includes multiple pixel units, each pixel unit includes a switching transistor. One side of black matrix layer close to first substrate is provided with multiple groove structures corresponding to multiple pixel units one-to-one. Orthographic projection of black matrix layer on first base substrate covers those of multiple switching transistors on first base substrate, and orthographic projection of the groove structure on first base substrate at least partially overlaps with that of a channel region of switching transistor in corresponding pixel unit on first base substrate to enable light meeting preset wavelength condition to be incident into the display panel.

    DISPLAY DEVICE AND MEDICAL DEVICE

    公开(公告)号:US20220172687A1

    公开(公告)日:2022-06-02

    申请号:US17342453

    申请日:2021-06-08

    IPC分类号: G09G3/36 G09G5/10

    摘要: A display device includes a light control panel and a liquid crystal display panel laminated one on another. The liquid crystal display panel includes one or more first photosensitive thin film transistor for detecting an environmental brightness value of the display device. Each first photosensitive thin film transistor includes a control electrode, an input end and an output end, the liquid crystal display panel includes a plurality of first shift register units, the control electrode of each first photosensitive thin film transistor is coupled to a clock signal line of each first shift register unit, the input end of each first photosensitive thin film transistor is coupled to a deflection reference voltage signal line of the liquid crystal display panel, and the output end of each first photosensitive thin film transistor is coupled to a first output signal line of the liquid crystal display panel.

    SOURCE DRIVER, METHOD AND DISPLAY DEVICE
    9.
    发明申请

    公开(公告)号:US20180240433A1

    公开(公告)日:2018-08-23

    申请号:US15556516

    申请日:2017-02-17

    IPC分类号: G09G3/36

    摘要: A source driver, a method and a display device are provided. The source driver includes a data receiving circuit, a peak processing circuit, a control circuit, a digital-to-analog conversion circuit, and a driver. The data receiving circuit is configured to receive pixel data and a control timing signal; the peak processing circuit is configured to generate peak over-driving data according to the received pixel data; the control circuit is configured to control to sequentially output the peak over-driving data and the corresponding pixel data to the digital-to-analog conversion circuit according to the received control timing signal; the digital-to-analog conversion circuit is configured to receive the peak over-driving data and the pixel data, convert the peak over-driving data into a first driving signal, and convert the pixel data into a second driving signal; and the driver is configured to output the first driving signal and the second driving signal.

    DISPLAY SUBSTRATE AND DISPLAY APPARATUS
    10.
    发明公开

    公开(公告)号:US20240105112A1

    公开(公告)日:2024-03-28

    申请号:US18519614

    申请日:2023-11-27

    IPC分类号: G09G3/32

    摘要: A display substrate and a display apparatus are provided. The display substrate includes a base substrate; sub-pixels arranged in an array and on the base substrate; data line groups on the base substrate; each data line group includes data lines, each of which is connected to one column of sub-pixels; data selectors on the base substrate and connected to the data line groups in a one-to-one correspondence; data lines in a same data line group are connected to a same data selector; and data selection signal lines, wherein different data selection signal lines output different data selection signals; and different data lines connected to a same data selector correspond to different data selection signal lines, respectively. The display panel provided may effectively reduce the resistance on the data selection signal lines, thereby reducing the delay of the data selection signals and further improving the charging uniformity of sub-pixels.