FINGERPRINT RECOGNITION AND PIXEL DRIVING CIRCUIT, AND DISPLAY DEVICE COMPRISING THE SAME

    公开(公告)号:US20190188444A1

    公开(公告)日:2019-06-20

    申请号:US16322027

    申请日:2018-05-18

    Abstract: A fingerprint recognition and pixel driving circuit and a display device including the circuit are provided. The circuit includes a first scan line, a second scan line, a third scan line, a light emission control line and a data writing line, a pixel driving sub-circuit for driving a light emitting element of a pixel to emit light according to the first scan signal, the second scan signal, the third scan signal, the light emission control signal, and the data signal, a fingerprint recognition sub-circuit that receives any two of the first scan signal, the second scan signal and the third scan signal through a first read terminal and a reset terminal to generate fingerprint data of a finger based on any two of the first scan signal, the second scan signal and the third scan signal, thereby realizing integration of the fingerprint recognition function with the pixel driving function.

    DISPLAY PANEL AND DISPLAY DEVICE
    152.
    发明申请

    公开(公告)号:US20190180674A1

    公开(公告)日:2019-06-13

    申请号:US16089857

    申请日:2017-10-24

    Abstract: Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.

    DISPLAY DEVICE AND METHOD FOR CONTROLLING A DISPLAY DEVICE

    公开(公告)号:US20190129274A1

    公开(公告)日:2019-05-02

    申请号:US15571467

    申请日:2017-04-01

    Abstract: The present application relates to a display device, comprising a backlight source, a liquid crystal lens layer having a plurality of lens units arranged in a matrix, and a lens controller, wherein the backlight source comprises light sources of three different colors, wherein light sources of each color are lit up and turned off circularly, wherein only a light source of one color is lit up at a same moment, wherein the lens controller is configured to control a matching degree between a turn-on time of each lens unit and a light-up time of the light sources, so as to make selection of quantity of light transmitted by the turned-on lens unit, and the lens controller is further configured to enable light exit directions of the plurality of lens units to be converged in an imaging area in front of the display device for imaging display.

    TOUCH DISPLAY PANEL, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE

    公开(公告)号:US20190107912A1

    公开(公告)日:2019-04-11

    申请号:US15774082

    申请日:2017-11-09

    Abstract: The disclosure discloses a touch display panel, a method for driving the same, and a display device. The touch display panel includes data lines, a source drive circuit, a first signal line, a second signal line, a synchronous signal line, a plurality of first switches, and a plurality of second switches, in a touch stage, the first switches are turned on under the control of a signal output from the first signal line, a signal synchronous with a touch signal is input to the data lines by the synchronous signal line, and the second switches are turned off under the control of a signal output from the second signal line; and in a display stage, the first switches are turned off under the control of a signal output from the first signal line, and the second switches are turned on under the control of a signal output from the second signal line.

    DISPLAY DEVICE, AND OPERATING METHOD THEREOF
    157.
    发明申请

    公开(公告)号:US20190086680A1

    公开(公告)日:2019-03-21

    申请号:US16008657

    申请日:2018-06-14

    Abstract: The disclosure discloses a display device, and an operating method thereof. The display device includes an array of liquid crystal lenses, the array includes liquid crystal micro-lenses, each of which includes a first electrode layer and a second electrode layer, both of which have circular contour and are arranged in a direction of an axis thereof, and a liquid crystal layer located between the two electrode layers When the display device operates in a 2D display mode, the liquid crystal layer operates as planar glass under an action of an electric field generated between the first electrode layer and the second electrode layer; and when the display device operates in a 3D display mode, the liquid crystal layer operates as a convex lens under the action of the electric field generated between the first electrode layer and the second electrode layer.

    LIQUID CRYSTAL LENS, LENS ASSEMBLY, OPTICAL APPARATUS AND DISPLAY DEVICE

    公开(公告)号:US20190064631A1

    公开(公告)日:2019-02-28

    申请号:US15770348

    申请日:2017-09-11

    Abstract: A liquid crystal lens, a lens assembly, an optical apparatus, and a display device are provided. The liquid crystal lens includes a first transparent substrate; a second transparent substrate, provided opposite to the first transparent substrate; a liquid crystal layer, provided between the first and second transparent substrates; and at least one first electrode and at least one second electrode, both of which being provided at a side of one of the first and second transparent substrates proximal to the liquid crystal layer. The at least one first electrode and the at least one second electrode are alternately arranged to be insulated from each other and have an interval therebetween.

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