Driving circuit for increasing a driving power supply voltage for a display panel

    公开(公告)号:US09761195B2

    公开(公告)日:2017-09-12

    申请号:US13859040

    申请日:2013-04-09

    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.

    Display Apparatus and Computer System
    23.
    发明申请
    Display Apparatus and Computer System 有权
    显示设备和计算机系统

    公开(公告)号:US20160307544A1

    公开(公告)日:2016-10-20

    申请号:US14810469

    申请日:2015-07-27

    Abstract: A display apparatus for displaying a display information includes a display panel, and a plurality of gate drivers and a plurality of source drivers coupled to the display panel. When one abnormal driver exists among the plurality of gate drivers and the plurality of source drivers, the other functionally operating gate drivers and source drivers transform the display information into a transformed display information to transmit the transformed display information to the display panel for a display operation.

    Abstract translation: 用于显示显示信息的显示装置包括显示面板,以及耦合到显示面板的多个栅极驱动器和多个源极驱动器。 当在多个栅极驱动器和多个源极驱动器之间存在一个异常驱动器时,另一个功能操作的栅极驱动器和源极驱动器将显示信息变换为变换的显示信息,以将变换的显示信息发送到显示面板用于显示操作 。

    Decoding and scan driver
    24.
    发明授权
    Decoding and scan driver 有权
    解码和扫描驱动程序

    公开(公告)号:US09449710B2

    公开(公告)日:2016-09-20

    申请号:US13760231

    申请日:2013-02-06

    Inventor: Chung-Hsin Su

    CPC classification number: G11C19/28 G09G3/3674 G09G2310/0286 G09G2310/0289

    Abstract: The present invention relates to a decoding and scan driver, which comprises a level-shift circuit, a decoding circuit, an output driving circuit, and a control circuit. The level-shift circuit receives a plurality of input signals and shifts the voltage levels of the plurality of input signals for producing a plurality of decoding control signals. The decoding circuit is coupled to the level-shift circuit and produces a plurality of decoding signals according to the plurality of decoding control signals. The output driving circuit is coupled to the decoding circuit, produces a driving signal sequentially according to the plurality of decoding signals, and outputs the driving signal for driving a display panel. The control circuit is coupled to the output driving circuit, produces a control signal according to one of the plurality of input signals, and transmits the control signal to the output driving circuit for controlling the output driving circuit to output the driving signal. Thereby, the circuit area of the decoding and scan driver is saved and the cost is thus reduced.

    Abstract translation: 本发明涉及一种解码和扫描驱动器,其包括电平移位电路,解码电路,输出驱动电路和控制电路。 电平移位电路接收多个输入信号,并且移位多个输入信号的电压电平以产生多个解码控制信号。 解码电路耦合到电平移位电路,并根据多个解码控制信号产生多个解码信号。 输出驱动电路耦合到解码电路,根据多个解码信号依次产生驱动信号,并输出用于驱动显示面板的驱动信号。 控制电路耦合到输出驱动电路,根据多个输入信号之一产生控制信号,并将控制信号发送到输出驱动电路,以控制输出驱动电路输出驱动信号。 因此,解码和扫描驱动器的电路区域被保存,并且因此降低了成本。

    Driving circuit of display panel and driving module thereof, and display device and method for manufacturing the same
    25.
    发明授权
    Driving circuit of display panel and driving module thereof, and display device and method for manufacturing the same 有权
    显示面板及其驱动模块的驱动电路及显示装置及其制造方法

    公开(公告)号:US09443486B2

    公开(公告)日:2016-09-13

    申请号:US14157711

    申请日:2014-01-17

    Abstract: The present invention relates to a driving circuit for a display panel and the driving module thereof and a display device and the method for manufacturing the same. The present invention comprises a power generating module, a plurality of signal generating units, a power generating circuit, and a scan control circuit. The power generating module generates a supply power source according to an input power source. The plurality of signal generating units are coupled to the power generating module and generate a plurality of control signals according to the supply power source and a plurality of input signals. The power generating circuit generates a driving power source. The scan control circuit is coupled to the power generating circuit and the plurality of signal generating unit, and generates a plurality of scan signals according to the driving power source and at least one of the plurality of control signals.

    Abstract translation: 本发明涉及显示面板的驱动电路及其驱动模块以及显示装置及其制造方法。 本发明包括发电模块,多个信号发生单元,发电电路和扫描控制电路。 发电模块根据输入电源产生供电电源。 多个信号发生单元耦合到发电模块,并根据供电电源和多个输入信号产生多个控制信号。 发电电路产生驱动电源。 扫描控制电路耦合到功率产生电路和多个信号产生单元,并根据驱动电源和多个控制信号中的至少一个产生多个扫描信号。

    Active Probe Card
    26.
    发明申请
    Active Probe Card 有权
    有源探头卡

    公开(公告)号:US20150212112A1

    公开(公告)日:2015-07-30

    申请号:US14476729

    申请日:2014-09-03

    CPC classification number: G01R31/2601 G01R1/073 G01R1/30 G01R31/27

    Abstract: An active probe card capable of improving testing bandwidth of a device under (DUT) test includes a printed circuit board; at least one probe needle, affixed to a first surface of the printed circuit board for probing the DUT; at least one connection member, electrically connected to the at least one probe needle; and an amplification circuit, formed on the printed circuit board and coupled to the at least one connection member for amplifying an input or output signal of the DUT.

    Abstract translation: 能够改进(DUT)测试下的设备的测试带宽的有源探测卡包括印刷电路板; 至少一个探针,固定到印刷电路板的第一表面,用于探测DUT; 电连接到所述至少一个探针的至少一个连接构件; 以及放大电路,形成在所述印刷电路板上并且耦合到所述至少一个连接构件,用于放大所述DUT的输入或输出信号。

    Power circuit having multiple stages of charge pumps
    27.
    发明授权
    Power circuit having multiple stages of charge pumps 有权
    具有多级电荷泵的电源电路

    公开(公告)号:US09030125B2

    公开(公告)日:2015-05-12

    申请号:US14047148

    申请日:2013-10-07

    Abstract: The present invention discloses a power circuit having multiple stages of charge pumps. The power circuit comprises a first charge pump, a second charge pump, a voltage stabilizing capacitor, and an output capacitor. The first charge pump adjusts an input voltage and produces a first output voltage. The second charge pump adjusts the first output voltage, produces a second output voltage, and outputs the second output voltage for driving a loading. The voltage stabilizing capacitor is coupled between the first and second charge pumps and connected externally to the output of the first charge pump. The output capacitor is coupled to the second charge pump for providing the second output voltage. According to the present invention, the effect of supplying large transient currents to the loading can be achieved by connecting externally the voltage stabilizing capacitor to the output of the first charge pump.

    Abstract translation: 本发明公开了一种具有多级电荷泵的电源电路。 电源电路包括第一电荷泵,第二电荷泵,稳压电容器和输出电容器。 第一个电荷泵调节输入电压并产生第一个输出电压。 第二电荷泵调节第一输出电压,产生第二输出电压,并输出用于驱动负载的第二输出电压。 电压稳定电容器耦合在第一和第二电荷泵之间并且在外部连接到第一电荷泵的输出端。 输出电容器耦合到第二电荷泵以提供第二输出电压。 根据本发明,通过将稳压电容器外部连接到第一电荷泵的输出,可以实现向负载提供大的瞬态电流的效果。

    METHOD OF REFRESHING MEMORY ARRAY, DRIVING CIRCUIT AND DISPLAY
    28.
    发明申请
    METHOD OF REFRESHING MEMORY ARRAY, DRIVING CIRCUIT AND DISPLAY 有权
    刷新存储器阵列,驱动电路和显示的方法

    公开(公告)号:US20150116306A1

    公开(公告)日:2015-04-30

    申请号:US14135597

    申请日:2013-12-20

    Abstract: A method of refreshing a memory array for a driving circuit includes generating a word-line scanning signal corresponding to a word-line of a memory array, and turning on a plurality of memory cells corresponding to the word-line of the memory array according to the word-line scanning signal to refresh the plurality of memory cells corresponding to the word-line of the memory array, wherein the memory has a first number of bit-lines and a second number of word-lines.

    Abstract translation: 刷新用于驱动电路的存储器阵列的方法包括:生成与存储器阵列的字线相对应的字线扫描信号,并根据存储器阵列的字线对应于多个存储单元 所述字线扫描信号刷新对应于所述存储器阵列的字线的多个存储单元,其中所述存储器具有第一数量的位线和第二数量的字线。

    Voltage Calibration Circuit And Related Liquid Crystal Display Device
    29.
    发明申请
    Voltage Calibration Circuit And Related Liquid Crystal Display Device 有权
    电压校准电路及相关液晶显示装置

    公开(公告)号:US20150054810A1

    公开(公告)日:2015-02-26

    申请号:US14259167

    申请日:2014-04-23

    CPC classification number: G09G3/3696 G09G3/3655 G09G2310/06 G09G2320/02

    Abstract: The present disclosure provides a voltage calibration circuit. The voltage calibration circuit includes a coupling voltage detection circuit and a common voltage circuit. The coupling voltage detection circuit is used for detecting a coupling voltage in an initial phase and generating a compensation voltage according to the coupling voltage. The common voltage circuit is used for adjusting a common voltage according to the compensation voltage and outputting the common voltage to a display module in a display phase.

    Abstract translation: 本公开提供了一种电压校准电路。 电压校准电路包括耦合电压检测电路和公共电压电路。 耦合电压检测电路用于检测初始相位中的耦合电压,并根据耦合电压产生补偿电压。 公共电压电路用于根据补偿电压调节公共电压,并在显示阶段将公共电压输出到显示模块。

    POWER CIRCUIT OF DISPLAYING DEVICE
    30.
    发明申请
    POWER CIRCUIT OF DISPLAYING DEVICE 审中-公开
    显示装置的电源电路

    公开(公告)号:US20150049008A1

    公开(公告)日:2015-02-19

    申请号:US14045966

    申请日:2013-10-04

    Abstract: The present invention relates to a power circuit of displaying device, which comprises a timing controller, a control circuit, and a charge pump (single or multiple stages). The timing controller outputs a timing control signal to the control circuit. The control circuit outputs a clock signal or a capacitance adjusting signal according to the timing control signal. The charge pump receives the input voltage and outputs an output voltage according to the clock signal or the capacitance adjusting signal. The output voltage is provided to the scan driver for generating a plurality of scan driving signals. Accordingly, by increasing the rise rate of the output voltage of the charge pump in the voltage conversion time and reducing the rise rate of the output voltage close to the voltage holding time, the present invention can achieve the effect of reducing the power consumption.

    Abstract translation: 本发明涉及显示装置的电源电路,其包括定时控制器,控制电路和电荷泵(单级或多级)。 定时控制器向控制电路输出定时控制信号。 控制电路根据定时控制信号输出时钟信号或电容调整信号。 电荷泵接收输入电压,并根据时钟信号或电容调整信号输出输出电压。 输出电压被提供给扫描驱动器以产生多个扫描驱动信号。 因此,通过在电压转换时间内增加电荷泵的输出电压的上升率,并将输出电压的上升率降低到接近电压保持时间的方式,本发明可以实现降低功耗的效果。

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