Level shifter
    1.
    发明授权

    公开(公告)号:US11641192B2

    公开(公告)日:2023-05-02

    申请号:US17517093

    申请日:2021-11-02

    Abstract: A level shifter includes a buffer circuit, a first shift circuit, and a second shift circuit. The buffer circuit provides a first signal and a first inverted signal to the first shift circuit, such that the first shift circuit provides a second signal and a second inverted signal to the second shift circuit. The second shift circuit generates a plurality of output signals according to the second signal and the second inverted signal. The first shift circuit includes a plurality of first stacking transistors and a first voltage divider circuit. The first voltage divider circuit is electrically coupled between a first system high voltage terminal and a system low voltage terminal. The first voltage divider circuit is configured to provide a first inner bias to gate terminals of the first stacking transistors.

    Display method and display
    2.
    发明授权

    公开(公告)号:US09966016B2

    公开(公告)日:2018-05-08

    申请号:US15205639

    申请日:2016-07-08

    Abstract: A display method adapted to a display device. The display method includes: displaying first, second and third color fields respectively in first, second and third time periods such that each pixel have a background color; determining, from the pixels, multiple color breakup pixels according to the second color field of each pixel, the first color field of a first peripheral pixel of each pixel, the third color field of a second peripheral pixel of each pixel, and the background color of each pixel; calculating a color breakup color of each color breakup pixel; calculating a compensation color of each color breakup pixel according to the background color and the color breakup color of the color breakup pixel; and displaying a fourth color field in a fourth time period. For each color breakup pixel, the compensation color is displayed in the fourth color field.

    Voltage adjust circuit and operation method thereof

    公开(公告)号:US11558043B2

    公开(公告)日:2023-01-17

    申请号:US17516730

    申请日:2021-11-02

    Abstract: The disclosure provides a voltage adjust circuit. The voltage adjust circuit includes a buffer circuit, a bias circuit, a level shifter and a cross voltage limit circuit. The buffer circuit includes a plurality of pull-up transistors and a plurality of pull-down transistors. The pull-up transistors coupled in series between an output terminal of the circuit and a high voltage system terminal. The pull-down transistors coupled in series between the output terminal and a low voltage system terminal. The cross voltage limit circuit is configured to limit transient and static bias voltages across two terminals of the pull-up transistors or the pull-down transistors.

    DISPLAY DEVICE AND OPERATING METHOD THEREOF

    公开(公告)号:US20210383757A1

    公开(公告)日:2021-12-09

    申请号:US17409828

    申请日:2021-08-24

    Abstract: A display device and an operating method of the display device are provided. The display device includes a first light emitting diode (LED), a first switch, a second switch, a second LED, a third switch, and a first controller. A first terminal of the first switch receives a first electrical signal. A first terminal of the second switch receives a second electrical signal. A first terminal of the third switch receives a third electrical signal. Here, whether the first switch, the second switch, and the third switch are switched on or off is determined by whether the first LED and the second LED are damaged or not. The first controller is configured to detect whether the first LED and the second LED are damaged or not, generate the second electrical signal and the electrical signal, and generate a plurality of control signals controlling the first switch to the third switch.

    Display method
    6.
    发明授权

    公开(公告)号:US10242645B2

    公开(公告)日:2019-03-26

    申请号:US15389583

    申请日:2016-12-23

    Abstract: A display method includes: receiving an input signal; performing a color separation process on the input image to generate color information and an intensity image; performing a filtering process on the intensity image to generate an intensity coarse image and an edge image; generating a color coarse image according to the intensity coarse image and the color information; performing a pure color analysis on the color coarse image to generate a first pure color coarse image, a second pure color coarse image and a third pure color coarse image; and displaying the first pure color coarse image, the second pure color coarse image, the third pure color coarse image and the edge image in a first time period, a second time period, a third time period and a fourth time period respectively.

    Display module with high resolution grayscale, display device, and driving method thereof

    公开(公告)号:US11170710B2

    公开(公告)日:2021-11-09

    申请号:US16837556

    申请日:2020-04-01

    Abstract: A display module including display pixels, driving circuit and first switches is provided. The display pixels are arranged in columns and rows in the display area, and every display pixel includes sub-pixels. The display pixels form pixel rows along the first direction, and the sub-pixels of the display pixels form sub-pixel columns along the second direction. The color of the light emitting from the sub-pixels of the same sub-pixel column are substantially the same. The first direction and the second direction are substantially perpendicular. The driving circuit includes signal connectors, and every signal connector connects one of the pixel rows. The first switch is connected between a power source and one of the pixel rows, transmitting driving signal. The first switch is controlled by the driving circuit. A display device and a driving method are also provided.

    Display device and operating method thereof

    公开(公告)号:US11138933B2

    公开(公告)日:2021-10-05

    申请号:US16679252

    申请日:2019-11-10

    Abstract: A display device and an operating method of the display device are provided. The display device includes a first light emitting diode (LED), a first switch, a second switch, a second LED, a third switch, and a first controller. A first terminal of the first switch receives a first electrical signal. A first terminal of the second switch receives a second electrical signal. A first terminal of the third switch receives a third electrical signal. Here, whether the first switch, the second switch, and the third switch are switched on or off is determined by whether the first LED and the second LED are damaged or not. The first controller is configured to detect whether the first LED and the second LED are damaged or not, generate the second electrical signal and the electrical signal, and generate a plurality of control signals controlling the first switch to the third switch.

    DISPLAY MODULE, DISPLAY DEVICE, AND THE DRIVING METHOD THEREOF

    公开(公告)号:US20200349885A1

    公开(公告)日:2020-11-05

    申请号:US16837556

    申请日:2020-04-01

    Abstract: A display module including display pixels, driving circuit and first switches is provided. The display pixels are arranged in columns and rows in the display area, and every display pixel includes sub-pixels. The display pixels form pixel rows along the first direction, and the sub-pixels of the display pixels form sub-pixel columns along the second direction. The color of the light emitting from the sub-pixels of the same sub-pixel column are substantially the same. The first direction and the second direction are substantially perpendicular. The driving circuit includes signal connectors, and every signal connector connects one of the pixel rows. The first switch is connected between a power source and one of the pixel rows, transmitting driving signal. The first switch is controlled by the driving circuit. A display device and a driving method are also provided.

    Display device and driving method of the same

    公开(公告)号:US11244617B1

    公开(公告)日:2022-02-08

    申请号:US17214967

    申请日:2021-03-29

    Abstract: A driving method applicable to a display device, in which the display device includes multiple pixel circuits, and the method includes: adjusting multiple control signals according to a first display data such that the pixel circuits generate a first frame; receiving a second display data generated after the display data; and adjusting the control signals according to a time duration of the first frame such that the pixel circuits generate a second frame, where brightness for each of the pixel circuits is proportional to a duty ratio of one of the corresponding control signals, and an increment for the duty ratio of one of the corresponding control signals in the second frame is negatively correlated to a difference between a ratio of a preset time period to the time duration of the first frame and a ratio of the preset time period to the time duration of the second frame.

Patent Agency Ranking