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公开(公告)号：US10679570B2
公开(公告)日：2020-06-09
申请号：US15206304
申请日：2016-07-10
Applicant: Sitronix Technology Corp.
Inventor： Cheng-Chieh Lien , Kai-Yi Wu
IPC: G09G3/34 , G06F1/3234
Abstract: A power supply module for a driving device of a display system includes a source power unit, for outputting a source high voltage only in a first period and outputting a source low voltage only in a second period according to a power control signal, wherein the source high voltage and the source low voltage are utilized for generating a plurality of data signals of a plurality of pixels in the display system; and a bias power unit, for generating a common voltage, wherein the common voltage is between the source high voltage and the source low voltage; wherein the first period does not overlap the second period.
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公开(公告)号：US11462189B2
公开(公告)日：2022-10-04
申请号：US17017704
申请日：2020-09-11
Applicant: Sitronix Technology Corp.
Inventor： Kai-Yi Wu , Yun-Chu Chen , Li-Yu Huang
IPC: G09G3/36
Abstract: A driving circuit for a display panel includes a common voltage generating circuit. The common voltage generating circuit is coupled to multiple common electrodes of the display panel and configured to provide multiple common voltages respectively to the common electrodes. During a frame period, the common voltage generating circuit respectively changes a voltage level of the common voltages at different time.
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公开(公告)号：US20210263366A1
公开(公告)日：2021-08-26
申请号：US17017707
申请日：2020-09-11
Applicant: Sitronix Technology Corp.
Inventor： Kai-Yi Wu , Yun-Chu Chen , Li-Yu Huang
IPC: G02F1/1345 , G09G3/36 , G02F1/1362
Abstract: A display panel driving chip includes a plurality of gate signal output ports and a plurality of source signal output ports. The source signal output ports outputting a plurality of source signals and the gate signal output ports outputting a plurality of gate signals are interleaved.
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公开(公告)号：US09030125B2
公开(公告)日：2015-05-12
申请号：US14047148
申请日：2013-10-07
Applicant: Sitronix Technology Corp.
Inventor： Kuan-Chao Liao , Kai-Yi Wu
CPC classification number: G09G3/36 , G09G3/3648 , G09G3/3696 , G09G2330/02 , H02M3/07 , H02M2003/1566
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。
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Patent Agency Ranking
公开(公告)号：US20210241712A1
公开(公告)日：2021-08-05
申请号：US17017704
申请日：2020-09-11
Applicant: Sitronix Technology Corp.
Inventor： Kai-Yi Wu , Yun-Chu Chen , Li-Yu Huang
IPC: G09G3/36
Abstract: A driving circuit for a display panel includes a common voltage generating circuit. The common voltage generating circuit is coupled to multiple common electrodes of the display panel and configured to provide multiple common voltages respectively to the common electrodes. During a frame period, the common voltage generating circuit respectively changes a voltage level of the common voltages at different time.
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公开(公告)号：US20170221445A1
公开(公告)日：2017-08-03
申请号：US15413366
申请日：2017-01-23
Applicant: Sitronix Technology Corp.
Inventor： Kai-Yi Wu , Chih-Hung Huang
IPC: G09G3/36
CPC classification number: G09G3/3696 , G09G3/3677 , G09G3/3688 , G09G2300/043 , G09G2300/0809 , G09G2310/08 , G09G2320/041 , G09G2360/144
Abstract: A driving method for a display device with a plurality of pixels, wherein each pixel includes a plurality of transistors connected in series, includes adjusting a first gate driving signal of a first transistor among the plurality of transistors to make the first transistor cut-off and generating compensation waveform on at least one second gate driving signal of at least one second transistor among the plurality of transistors within a compensation interval of a plurality of intervals between every two contiguous data updating periods among a plurality data updating periods; wherein the plurality of transistors of each pixel are conducted in a specific period within the plurality of data updating periods, to update a data voltage of each pixel.
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7.发明申请公开(公告)号：US20170084230A1
公开(公告)日：2017-03-23
申请号：US15206304
申请日：2016-07-10
Applicant: Sitronix Technology Corp.
Inventor： Cheng-Chieh Lien , Kai-Yi Wu
IPC: G09G3/34
Abstract: A power supply module for a driving device of a display system includes a source power unit, for outputting a source high voltage only in a first period and outputting a source low voltage only in a second period according to a power control signal, wherein the source high voltage and the source low voltage are utilized for generating a plurality of data signals of a plurality of pixels in the display system; and a bias power unit, for generating a common voltage, wherein the common voltage is between the source high voltage and the source low voltage; wherein the first period does not overlap the second period.
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公开(公告)号：US10885867B2
公开(公告)日：2021-01-05
申请号：US15413366
申请日：2017-01-23
Applicant: Sitronix Technology Corp.
Inventor： Kai-Yi Wu , Chih-Hung Huang
IPC: G09G3/36
Abstract: A driving method for a display device with a plurality of pixels, wherein each pixel includes a plurality of transistors connected in series, includes adjusting a first gate driving signal of a first transistor among the plurality of transistors to make the first transistor cut-off and generating compensation waveform on at least one second gate driving signal of at least one second transistor among the plurality of transistors within a compensation interval of a plurality of intervals between every two contiguous data updating periods among a plurality data updating periods; wherein the plurality of transistors of each pixel are conducted in a specific period within the plurality of data updating periods, to update a data voltage of each pixel.
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公开(公告)号：US10380965B2
公开(公告)日：2019-08-13
申请号：US14045966
申请日：2013-10-04
Applicant: SITRONIX TECHNOLOGY CORP.
Inventor： Kai-Yi Wu , Kuan-Chao Liao , Hung-Yu Lu
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.
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