Absorption circuit, feed circuit and liquid crystal display

    公开(公告)号:US10320286B2

    公开(公告)日:2019-06-11

    申请号:US15327612

    申请日:2016-12-22

    Inventor: Dan Cao

    Abstract: The absorption circuit of the present invention is applied in a feed circuit, wherein the absorption circuit comprises a comparison unit and a regulation unit, and the comparison unit is employed to receive a voltage of a transformer primary dotted terminal of the feed circuit, and to compare the voltage with a first preset voltage and a second preset voltage and to output a comparison result, and the regulation unit is employed to regulate a resistor and a capacitor coupled to the transformer according to the comparison result, wherein the first preset voltage is larger than the second preset voltage. Therefore, the present invention can control the resistor and the capacitor coupled to the transformer according to the leakage inductance (i.e. the voltage) of the transformer, and then to adaptively restrain the corresponding voltage peak and EMI.

    Flicker control circuits for liquid crystal devices

    公开(公告)号:US10319330B2

    公开(公告)日:2019-06-11

    申请号:US15312629

    申请日:2016-09-27

    Abstract: A flicker control circuit of liquid crystal devices (LCDs) includes a main control chip, a low differential voltage regulator (LDO) circuit, a first resistor, a second resistor, and a reset resistor. The main control chip includes an operational voltage input end, a common voltage output end, and a dividing reference voltage input end. The LDO circuit receives a voltage provided by an external power module and generates a dividing reference voltage in accordance with the received voltage. One end of the first resistor connects to the LDO circuit to receive the dividing reference voltage, and the other end of the first resistor connects to the dividing reference voltage input end. The flicker of the LCDs may be reduced such that the display performance of the LCDs may be enhanced.

    Gate driver, display panel and display use the same

    公开(公告)号:US10319322B2

    公开(公告)日:2019-06-11

    申请号:US15308892

    申请日:2016-09-14

    Inventor: Zhao Wang

    Abstract: The present invention providing a gate driver used in display panel, wherein comprises: a chamfering module is configured to receive gate turn-on voltage signals and square wave controlling signals, and chamfers the gate turn-on voltage signals in accordance with the square wave controlling signals to generate and output chamfered gate turn-on voltage signals; and a level shifting module is configured to receive the chamfered gate turn-on voltage signals, inputs voltage signals and gate cut-off voltage signals, and outputs the chamfered gate turn-on voltage signals or the gate cut-off voltage signals in accordance with a voltage value of the input voltage signal. By integrating a chamfering module and a digital adjustable resistance module into a gate driver, it is not necessary to provide a chamfering circuit on a CB of display panel, so as the CB can be miniaturized.

    Substrates and liquid crystal displays

    公开(公告)号:US10319319B2

    公开(公告)日:2019-06-11

    申请号:US14769781

    申请日:2015-07-22

    Inventor: Shangcao Cao

    Abstract: The present disclosure relates to a substrate and a liquid crystal display. The substrate includes a plurality of data lines, scanning lines, and pixel cells arranged in a matrix. Each of the pixel cells includes a first sub-pixel and a second sub-pixel. For the pixel cells in each row, a first sub-pixel of a pixel cell connects with the two scanning lines. The second sub-pixel of the pixel cell connects with one of the scanning line. When the pixel cells are driven, durations of the turn-on signals outputted by the two scanning lines connected with the pixel cell are different or the turn-on signals are asynchronous. As such, a turn-on period of the second sub-pixel of the pixel cell connecting with the data line is longer than the turn-on period of the first sub-pixel connecting with the corresponding data line. In this way, the color shift may be reduced.

    Circuit and method for driving AMOLED pixel

    公开(公告)号:US10319293B2

    公开(公告)日:2019-06-11

    申请号:US15328510

    申请日:2017-01-10

    Inventor: Limin Wang

    Abstract: The present disclosure provides a circuit and a method for driving AMOLED pixels, The circuit includes a first transistor; a second transistor; a gray-scale storage capacitor; and a threshold storage capacitor, one end thereof being connected to the other end of the gray-scale storage capacitor, and the other end thereof being connected to a drain of the second transistor for storing a threshold voltage of the second transistor.

    Liquid crystal panel and liquid crystal display device

    公开(公告)号:US10317747B2

    公开(公告)日:2019-06-11

    申请号:US15512840

    申请日:2017-03-14

    Inventor: Lixuan Chen

    Abstract: The present disclosure discloses a liquid crystal panel including a first polarizer, an array substrate, a color film substrate, and a second polarizer disposed in this order, a plurality of pixel structures are arranged in the array of the array substrate, the pixel structure includes a pixel electrode; the display area portion of the pixel electrode includes a striped horizontal trunk and a striped vertical trunk, a plurality of stripe branches are divided into four quadrant sub-regions each of which is divided equally between the horizontal trunk and the vertical trunk center; wherein the angle between the absorption axis of the first polarizer and the horizontal trunk is α, the absorption axis of the second polarizer is perpendicular to the absorption axis of the first polarizer, and 0

    Low temperature poly-silicon TFT substrate structure and manufacture method thereof

    公开(公告)号:US10312273B2

    公开(公告)日:2019-06-04

    申请号:US15823514

    申请日:2017-11-27

    Inventor: Xiaoxing Zhang

    Abstract: A method for manufacturing a LTPS TFT substrate is provided. Buffer layers are respectively provided in a drive TFT area and a display TFT area and have different thicknesses, such that the thickness of the buffer layer in the drive TFT area is larger than the thickness of the buffer layer in the display TFT area so that different temperature grades are formed in a crystallization process of poly-silicon to achieve control of the grain diameters of crystals. A poly-silicon layer that is formed in the drive TFT area in the crystallization process has a large lattice dimension to increase electron mobility thereof. Fractured crystals can be formed in a poly-silicon layer of the display TFT area in the crystallization process for ensuring the uniformity of the grain boundary and increasing the uniformity of electrical current. Accordingly, the electrical property demands for different TFTs can be satisfied.

    Liquid crystal panel structures containing functionalized graphene layers and methods of preparing functionalized graphene layers

    公开(公告)号:US10310332B2

    公开(公告)日:2019-06-04

    申请号:US15112432

    申请日:2016-06-15

    Inventor: Ji Li

    Abstract: The present application provides a liquid crystal panel structure containing a functionalized graphene layer and a method of preparing a functionalized graphene layer. In the liquid crystal panel structure containing a functionalized graphene layer of the present application, the functionalized graphene layer thereof simultaneously plays effects of transparent conductivity and liquid crystal alignment, an alignment process that subsequently uses an alignment material is not necessary, the fabrication process and film structures of the liquid crystal panel are greatly simplified. The method of preparing the functionalized graphene layer of the present application sufficiently utilizes superiority of transparent conductivity of the graphene, and modifiability of the graphene surface, to endow the graphene with an effect of liquid crystal molecule alignment, the functionalized graphene layer prepared thereby has transparency, conductivity and alignment function.

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