Driving circuit of display panel and driving module thereof, and display device and method for manufacturing the same

    公开(公告)号:US09953608B2

    公开(公告)日:2018-04-24

    申请号:US14133978

    申请日:2013-12-19

    CPC classification number: G09G3/3696 G09G2310/027 G09G2310/0289 Y10T29/4913

    Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

    Area-saving driving circuit for display panel

    公开(公告)号:US09898992B2

    公开(公告)日:2018-02-20

    申请号:US14146061

    申请日:2014-01-02

    Inventor: Min-Nan Liao

    Abstract: The present invention relates to an area-saving driving circuit for a display panel, which comprises a plurality of digital-to-analog converting circuits convert input data, respectively, and produce a pixel signal. A plurality of driving units are coupled to the plurality of digital-to-analog converting circuits, respectively. They produce a driving signal according to the pixel signal and transmit the driving signal to the display panel for displaying. A plurality of voltage booster units are coupled to the plurality of driving units, respectively, and produce a supply voltage according to a control signal. Then the supply voltage is provided to the plurality of driving units. Thereby, by providing the supply voltage to the plurality of driving units of the display panel by means of the plurality of voltage booster units, the area of the external storage capacitor is reduced. Alternative, the external storage capacitor can be even not required.

    Calibration method and capacitive sensing device

    公开(公告)号:US09864467B2

    公开(公告)日:2018-01-09

    申请号:US15054143

    申请日:2016-02-26

    CPC classification number: G06F3/0418 G06F3/044

    Abstract: A calibration method for a capacitive sensing device is disclosed. The capacitive sensing device is capable of operating in a self-sensing mode or a mutual-sensing mode. The calibration method includes detecting a capacitance change of a panel in the self-sensing mode to generate a self-sensing output signal, detecting a capacitance change of the panel in the mutual-sensing mode to generate a mutual-sensing output signal, calculating a self-sensing difference between the self-sensing output signal and a self-sensing static parameter, and calibrating the mutual-sensing output signal according to the mutual-sensing output signal and the self-sensing difference.

    DRIVING CIRCUIT FOR DISPLAY PANEL
    64.
    发明申请

    公开(公告)号:US20170358272A1

    公开(公告)日:2017-12-14

    申请号:US15666808

    申请日:2017-08-02

    Inventor: JIA-CHI ZHENG

    CPC classification number: G09G3/3696 G09G3/3648 G09G2320/0276 G09G2330/024

    Abstract: The present invention provides a driving circuit for display panel, which comprises a power supply circuit and a driving unit. The power supply circuit outputs a driving power supply voltage. The driving unit produces a driving signal according to a data signal and the driving power supply voltage for driving the display panel. In addition, the voltage level of the driving power supply voltage increases to a predetermined level. Thereby, during the process of charging the display panel by the data driving circuit, the driving power supply voltage output by the power supply circuit increases from a low level to a predetermined level for reducing the power consumption of the driving circuit.

    Driving circuit for driving color display to display black-and-white/grayscale images and data conversion circuit thereof

    公开(公告)号:US09761198B2

    公开(公告)日:2017-09-12

    申请号:US14632051

    申请日:2015-02-26

    CPC classification number: G09G5/02 G09G5/10 G09G5/18 G09G2340/0428 G09G2340/08

    Abstract: The present invention provides a driving circuit for driving a color display to display black-and-white/grayscale images and comprises a data conversion circuit and a driver. The data conversion circuit receives input data transmitted by a microprocessor. The format of the input data is a black-and-white/grayscale format. The data conversion circuit converts the input data for producing output data. The format of the output data is a color format. The driver receives the output data and drives the color display to display the black-and-white/grayscale image. The driving circuit will convert the input data transmitted by the microprocessor with limited transmission capability and produce color output data for driving the color display to display the black-and-white/grayscale image. Accordingly, by using the driving circuit according to the present invention, an electronic device with limited transmission capability can work with the color display to display black-and-white/grayscale images.

    Power output circuit and related control method

    公开(公告)号:US20170170724A1

    公开(公告)日:2017-06-15

    申请号:US15197744

    申请日:2016-06-29

    Inventor: Chia-Chi Cheng

    CPC classification number: H02M3/07

    Abstract: A power output circuit includes a charge pump, a voltage regulator, a clock generator and a voltage detector. The charge pump is used for receiving a clock signal having an operating frequency and outputting an output voltage. The voltage regulator, coupled to the charge pump, is used for outputting a control voltage to the charge pump, to control the output voltage. The clock generator, coupled to the charge pump, is used for outputting the clock signal to the charge pump. The voltage detector, coupled to the clock generator and the voltage regulator, is used for detecting the control voltage and controlling the clock generator to adjust the operating frequency of the clock signal according to a magnitude of the control voltage.

    Frequency Selecting Module and Related Computing Device and Frequency Selecting Method
    67.
    发明申请
    Frequency Selecting Module and Related Computing Device and Frequency Selecting Method 有权
    频率选择模块及相关计算设备和频率选择方法

    公开(公告)号:US20160370941A1

    公开(公告)日:2016-12-22

    申请号:US14836975

    申请日:2015-08-27

    CPC classification number: G06F3/0418

    Abstract: A frequency selecting module for a touch system includes a storage unit, for storing a sum of at least one of a plurality of sensing signals of a plurality sensing channels in the touch system; a spectrum calculating unit, for transforming the sum of the at least one of the plurality of sensing signals stored in the storage unit to generate a spectrum data and storing the spectrum data to the storage unit; and a selecting unit, for generating an adjusting signal according to the spectrum data to select one of a plurality of operation frequencies as a working frequency of the plurality of sensing signals.

    Abstract translation: 用于触摸系统的频率选择模块包括:存储单元,用于存储触摸系统中多个感测通道的多个感测信号中的至少一个的和; 频谱计算单元,用于变换存储在存储单元中的多个感测信号中的至少一个的和以产生频谱数据并将频谱数据存储到存储单元; 以及选择单元,用于根据所述频谱数据生成调整信号,以选择多个操作频率中​​的一个作为所述多个感测信号的工作频率。

    ELECTRICAL DUAL CONTROL SWITCH DEVICE AND THE METHOD CONTROLLING THEREOF
    68.
    发明申请
    ELECTRICAL DUAL CONTROL SWITCH DEVICE AND THE METHOD CONTROLLING THEREOF 有权
    电动双控开关装置及其控制方法

    公开(公告)号:US20160352317A1

    公开(公告)日:2016-12-01

    申请号:US15060995

    申请日:2016-03-04

    Inventor: Shih-Chiang SUN

    Abstract: The present invention disclosed an electrical dual control switch device and the method of controlling thereof. By applying two electrical switches with connection method of conventional mechanical type dual control switch device. The operating status of the electrical switch could be detected by the AC waveform of the power transmission line of the other electrical switch. Therefore, the objection of electrical controlling the loading device will be realized. The loading device could be remotely control and the usage of the power could also effectively calculate. Further the present invention could also protected against overload, work with touch device and sets a timer for automatically shut down the power.

    Abstract translation: 本发明公开了一种电气双重控制开关装置及其控制方法。 通过应用传统机械式双重控制开关装置的连接方式的两个电气开关。 电气开关的运行状态可以通过另一个电气开关的输电线路的交流波形来检测。 因此,可以实现对装载装置的电气控制的反对。 加载装置可以进行远程控制,也可以有效地计算功率的使用。 此外,本发明还可以防止过载,使用触摸装置并设置用于自动关闭电源的定时器。

    Driving module and display device thereof
    69.
    发明授权
    Driving module and display device thereof 有权
    驱动模块及其显示装置

    公开(公告)号:US09509298B2

    公开(公告)日:2016-11-29

    申请号:US14513201

    申请日:2014-10-13

    Inventor: Hung-Yu Lu

    Abstract: A driving module, for a display device, includes a first transistor comprising a gate coupled to a first node, a drain coupled to an output end, and a source coupled to a first positive voltage source; a second transistor comprising a gate coupled to a second node, a drain coupled to the output end, and a source coupled to a first negative voltage source; and a voltage generating unit, coupled to an input end, a second positive voltage source and a second negative voltage source for generating a first voltage at the first node and a second voltage at the second node; wherein a difference between a first positive voltage of the first positive voltage source and the first voltage is smaller than a first threshold and a difference between a first negative voltage of the first negative voltage source and the second voltage is smaller than a second threshold.

    Abstract translation: 用于显示装置的驱动模块包括第一晶体管,其包括耦合到第一节点的栅极,耦合到输出端的漏极和耦合到第一正电压源的源极; 第二晶体管,包括耦合到第二节点的栅极,耦合到输出端的漏极和耦合到第一负电压源的源极; 以及电压产生单元,耦合到输入端,第二正电压源和第二负电压源,用于在第一节点处产生第一电压,在第二节点处产生第二电压; 其中所述第一正电压源的第一正电压与所述第一电压之间的差小于第一阈值,并且所述第一负电压源的第一负电压与所述第二电压之间的差小于第二阈值。

    Power Supplying Module and Related Driving module and Electronic Device
    70.
    发明申请
    Power Supplying Module and Related Driving module and Electronic Device 有权
    电源模块及相关驱动模块及电子设备

    公开(公告)号:US20160189660A1

    公开(公告)日:2016-06-30

    申请号:US14946728

    申请日:2015-11-19

    Inventor: Chia-Chi Cheng

    Abstract: A power supplying module for an electronic device with a display function includes a first power supplying unit, for charging an output end according to a first clock signal, wherein the output end is coupled to a driving module of the electronic device; and a clock generating unit, for adjusting the first clock signal when an event occurs to make the first power supplying unit charge the output end when the event occurs.

    Abstract translation: 一种具有显示功能的电子设备的电源模块,包括:第一供电单元,用于根据第一时钟信号对输出端进行充电,其中输出端耦合到电子设备的驱动模块; 以及时钟发生单元,用于当发生事件时调整第一时钟信号,以使得当事件发生时第一供电单元对输出端充电。

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