Driving circuit, display device, and driving method thereof

    公开(公告)号:US11568804B2

    公开(公告)日:2023-01-31

    申请号:US16615688

    申请日:2019-06-13

    Inventor: Wenbo Wang

    Abstract: A display panel driving system includes: a display panel having a first panel partition and a second panel partition; a first display driving circuit operatively connected to the first panel partition and configured to drive the first panel partition; a second display driving circuit operatively connected to the second panel partition and configured to drive the second panel partition; and a comparison circuit respectively connected to the first and second display driving circuits; each display driving circuit is utilized to collect brightness level statistics associated with the display panel partitions it drives; each display driving circuit is configured to determine a cathode voltage value associated with the display panel partition it drives and transmit the cathode voltage value to the comparison circuit for comparison for each of the panel partitions and determine a target value which is then utilized to adjust the cathode voltage of the whole display panel.

    Foldable display device
    2.
    发明授权

    公开(公告)号:US10212830B2

    公开(公告)日:2019-02-19

    申请号:US15511458

    申请日:2015-09-18

    Inventor: Wenbo Wang

    Abstract: An embodiment of the present invention provides a foldable display device comprising a foldable housing and a flexible display screen, the flexible display screen having a first end and a second end disposed opposite to each other in a first direction, wherein the first end of the flexible display screen is secured to the foldable housing, the second end of the flexible display screen is removable relative to the foldable housing; and when the foldable display device is in a folded state, the flexible display screen is located on a side of the foldable opposite to the folded surface of the foldable housing. The present invention can solve the problem that the radius of curvature of the folded portion of the flexible display screen is too small when the display device is folded, so that the flexible display screen can be prevented from being damaged.

    Gamma voltage generating circuit, driver circuit and display device

    公开(公告)号:US11380282B2

    公开(公告)日:2022-07-05

    申请号:US17044206

    申请日:2019-12-25

    Inventor: Wenbo Wang

    Abstract: A gamma voltage generating circuit includes N gamma voltage generating sub-circuits. Each gamma voltage generating sub-circuit includes a resistive voltage divider circuit and a plurality of gamma reference voltage output terminals. Each resistive voltage divider circuit includes a plurality of resistors connected in series, and any two resistive voltage divider circuits have a same resistance ratio of the plurality of resistors. The N gamma voltage generating sub-circuits include a first gamma voltage generating sub-circuit. The first gamma voltage generating sub-circuit further includes a gamma voltage generation circuit. Output terminals of the gamma voltage generation circuit are electrically connected to a highest gamma reference voltage output terminal and a lowest gamma reference voltage output terminal, respectively. Highest gamma reference voltage output terminals of the gamma voltage generating sub-circuits are connected, and lowest gamma reference voltage output terminals of the gamma voltage generating sub-circuits are connected.

    Unfoldable bracelet display device

    公开(公告)号:US10324678B2

    公开(公告)日:2019-06-18

    申请号:US15520336

    申请日:2016-09-30

    Abstract: The present disclosure provides a display device comprising: at least one flexible display panel; and a connective assembly capable of getting the display device into a ring display state where the at least one flexible display panel forms a ring shape, and getting the display device into a flat panel display state where the at least one flexible display panel all has a display surface towards the same direction. The display device can be used as a flat panel display device, e.g., mobile phone, in the flat panel display state, while in the ring display state, the display device can be used as a bracelet. When used as a bracelet, the display device requires no other assistant devices.

    Display panel, driving control method thereof, driving control circuit, and display device

    公开(公告)号:US12131694B2

    公开(公告)日:2024-10-29

    申请号:US16959002

    申请日:2019-12-18

    Inventor: Wenbo Wang Yong Yu

    CPC classification number: G09G3/3225 G09G3/3266 G09G2310/0286 G09G2320/0626

    Abstract: There is provided a driving control method of a display panel. The driving control method includes: receiving a luminance parameter; determining a first waveform provided to a first shift register group for a frame period of a current frame according to the luminance parameter, the first waveform including a second level pulse controlling writing data voltage and at least one second level pulse thereafter for adjusting luminance; determining a k-th waveform provided to a k-th shift register group for the frame period of the current frame, according to the first waveform for a frame period of a previous frame and for the frame period of the current frame, where N≥k≥2 and k is an integer; and for the frame period of the current frame, providing the first waveform to the first shift register group, and providing the k-th waveform to the k-th shift register group.

    Display device and method of driving display panel

    公开(公告)号:US10410602B2

    公开(公告)日:2019-09-10

    申请号:US15552557

    申请日:2017-02-20

    Abstract: Disclosed is a display device. A display area includes a first region and a second region having a boundary therebetween, with a boundary region defined around the boundary. Conversions of raw pixel data for respective regions having a format suitable for a second sub-pixel arrangement into converted pixel data having a format suitable for a first sub-pixel arrangement are based on the raw pixel data for the respective regions and additionally on the pixel data corresponding to the boundary region. Also disclosed is a method of driving a display panel.

    Display device and control circuit thereof

    公开(公告)号:US11317021B2

    公开(公告)日:2022-04-26

    申请号:US16334474

    申请日:2018-05-10

    Abstract: A display device and a control circuit thereof are provided. The display device includes: a display panel that is foldable and a housing that is foldable and used for supporting the display panel. The display panel has a folding axis and is divided into a first display area and a second display area along the folding axis; the first display area and the second display area partially overlap in a case where the display panel is in a folded state along the folding axis, and the second display area comprises a non-overlapping portion that does not overlap the first display area; and a component is provided at a position of the housing supporting the non-overlapping portion.

    Driving method including a partial screen display mode, driving circuit and display device

    公开(公告)号:US11257440B2

    公开(公告)日:2022-02-22

    申请号:US17255870

    申请日:2020-02-20

    Inventor: Wenbo Wang Yong Yu

    Abstract: A driving method including: receiving a partial screen display mode instruction which defines, among the N sub-display regions of the display panel, a first-type sub-display region that is to perform display and a second-type sub-display region that does not perform display; outputting, by the gate driver and according to the partial screen display mode instruction, an operation control signal to a memory to turn off a circuit of the memory associated with a storage space corresponding to the second-type sub-display region; and receiving the display data for the first-type sub-display region, and storing the display data for the first-type sub-display region in a storage space of the memory corresponding to the first-type sub-display region.

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