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.

公开(公告)号：US11073858B2

公开(公告)日：2021-07-27

申请号：US15256639

申请日：2016-09-05

Applicant: Sitronix Technology Corp.

Inventor： Chia-Chi Cheng

IPC: G05F1/66

Abstract: A power supply system for a circuit device includes a power supply unit, a switch unit and a voltage detector. The power supply unit, coupled to the circuit device via a power line, is used for supplying basic power for the circuit device via the power line, wherein the power line is coupled to the circuit device via a plurality of nodes. The switch unit, near to a node among the plurality of nodes, is coupled to the circuit device via the power line. The voltage detector, coupled to the circuit device and the switch unit, is used for detecting a voltage of the node and controlling the switch unit to be closed to allow the circuit device to receive auxiliary power via the switch unit when detecting that the voltage of the node is lower than a first threshold value.

公开(公告)号：US10013943B2

公开(公告)日：2018-07-03

申请号：US15860646

申请日：2018-01-02

Applicant: Sitronix Technology Corp.

Inventor： Tsun-Sen Lin ,  Min-Nan Liao

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G2310/0289

Abstract: A gate driving circuit for providing a scan signal to a LCD panel is disclosed. The gate driving circuit includes a positive level shifter, a capacitive coupling level shifter, a P-type transistor and an N-type transistor. The positive level shifter shifts up a gate control signal to generate a first control signal. The capacitive coupling level shifter shifts up and down the first control signal to generate positive and negative control signals. The P-type transistor P-type transistor receives the negative control signal and a negative power voltage. The N-type transistor receives the negative control signal and a negative power voltage. An absolute value of a voltage difference between the positive power voltage and the positive control signal and an absolute value of a voltage difference between the negative power voltage and the negative control signal are less than a medium voltage device endurance limit.

公开(公告)号：US09837891B2

公开(公告)日：2017-12-05

申请号：US14883650

申请日：2015-10-15

Applicant: Sitronix Technology Corp.

Inventor： Min-Nan Liao

IPC: H02M3/07

CPC classification number: H02M3/07 ,  G09G2330/021

Abstract: A power circuit includes a first charge pump for converting a supply voltage into a first high voltage and a first low voltage, at least one second charge pump, each for increasing the first high voltage by a first variance value to a second high voltage, and at least one third charge pump, each for decreasing the first low voltage by a second variance value to a second low voltage. A difference between the first high and low voltages is less than a breakdown threshold. The second and third variance margins are less than the breakdown threshold.

公开(公告)号：US09761195B2

公开(公告)日：2017-09-12

申请号：US13859040

申请日：2013-04-09

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Jia-Chi Zheng

IPC: G09G3/36

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.

公开(公告)号：US09653035B2

公开(公告)日：2017-05-16

申请号：US14259167

申请日：2014-04-23

Applicant: Sitronix Technology Corp.

Inventor： Tsun-Sen Lin ,  Min-Nan Liao

IPC: G06F3/038 ,  G09G3/36

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.

公开(公告)号：US09449710B2

公开(公告)日：2016-09-20

申请号：US13760231

申请日：2013-02-06

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Chung-Hsin Su

IPC: G11C19/28 ,  G09G3/36

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。

公开(公告)号：US09443486B2

公开(公告)日：2016-09-13

申请号：US14157711

申请日：2014-01-17

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Ping Lin Liu ,  Shih Chieh Hung

IPC: G09G3/36

CPC classification number: G09G3/3674 ,  G09G3/3696 ,  G09G2310/02 ,  G09G2310/0289 ,  Y10T29/4913

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。

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

IPC: H05B37/00 ,  H05B37/02 ,  H02M3/04 ,  G09G3/36

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。

公开(公告)号：US20150116306A1

公开(公告)日：2015-04-30

申请号：US14135597

申请日：2013-12-20

Applicant: Sitronix Technology Corp.

Inventor： Chung-Hsin Su ,  Tsun-Sen Lin

IPC: G09G3/36 ,  G09G5/18 ,  G11C11/406

CPC classification number: G09G3/2092 ,  G09G3/3674 ,  G09G5/18 ,  G09G5/397 ,  G09G2320/0252 ,  G09G2330/021 ,  G11C11/406

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。