公开(公告)号：US20150109027A1

公开(公告)日：2015-04-23

申请号：US14582201

申请日：2014-12-24

Applicant: Novatek Microelectronics Corp.

Inventor： Tse-Hung Wu ,  Chao-Kai Tu ,  Chia-Wei Su

IPC: H03K19/0175

CPC classification number: H03K19/017509 ,  H03K17/162 ,  H03K2217/0054

Abstract: A data control circuit includes an output stage circuit, a switch circuit, and an impedance module. The output stage circuit outputs a data signal. An input terminal of the switch circuit is coupled to an output terminal of the output stage circuit, and an output terminal of the switch circuit is coupled to a post-stage circuit. According to a control of a control signal, the switch circuit determines whether to transmit the data signal of the output stage circuit to the post-stage circuit. The impedance module is configured in the output stage circuit, configured between the output stage circuit and the switch circuit, or configured in the switch circuit. Here, the impedance module reduces noise flowing from the switch circuit to the output stage circuit.

Abstract translation: 数据控制电路包括输出级电路，开关电路和阻抗模块。 输出级电路输出数据信号。 开关电路的输入端子耦合到输出级电路的输出端，开关电路的输出端耦合到后级电路。 根据控制信号的控制，开关电路确定是否将输出级电路的数据信号发送到后级电路。 阻抗模块配置在输出级电路中，配置在输出级电路和开关电路之间，或配置在开关电路中。 这里，阻抗模块减少从开关电路流向输出级电路的噪声。

公开(公告)号：US20220165230A1

公开(公告)日：2022-05-26

申请号：US17669393

申请日：2022-02-11

Applicant: NOVATEK Microelectronics Corp.

Inventor： Shun-Hsun Yang ,  Tse-Hung Wu

IPC: G09G5/00 ,  H03K19/0185 ,  G06F3/14 ,  H04L25/02 ,  G09G5/12 ,  H04L25/14 ,  G09G5/18

Abstract: A method of handling signal transmission applicable to a display system includes a plurality of steps. The steps include transmitting a reset signal embedded in a first data signal to each of at least one source driver via a first data channel, generating a first control signal for setting the at least one source driver, and transmitting the first control signal embedded in a second data signal to each of the at least one source driver via a second data channel when the reset signal is transmitted via the first data channel.

公开(公告)号：US09325309B2

公开(公告)日：2016-04-26

申请号：US14454736

申请日：2014-08-08

Applicant: Novatek Microelectronics Corp.

Inventor： Tse-Hung Wu ,  Yen-Po Chen

IPC: H03K17/28 ,  H03K17/00

CPC classification number: H03K17/28 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2310/08 ,  H03K17/002 ,  H03K2217/0054

Abstract: A gate driving circuit and a driving method thereof are provided. The gate driving circuit includes a control signal generator and at least one gate channel set, each of the at least one gate channel set includes a plurality of gate channels, and the plurality of gate channels share a level shifter. The driving method includes generating a plurality of first control signals and a plurality of second control signals according to a gate driver start pulse, and determining that one of the gate channels uses the level shifter during a time period according to the plurality of first control signals and the plurality of second control signals. Therefore, the number of the level shifters can be decreased.

Abstract translation: 提供了栅极驱动电路及其驱动方法。 栅极驱动电路包括控制信号发生器和至少一个栅极沟道组，至少一个栅极沟道组中的每一个包括多个栅极沟道，并且多个栅极沟道共享电平移位器。 驱动方法包括根据栅极驱动器起始脉冲产生多个第一控制信号和多个第二控制信号，并且根据多个第一控制信号确定一个栅极通道在一段时间段内使用电平移位器 和多个第二控制信号。 因此，电平移位器的数量可以减少。

公开(公告)号：US08963578B2

公开(公告)日：2015-02-24

申请号：US13949193

申请日：2013-07-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Tse-Hung Wu

IPC: H03K17/16 ,  H04L25/12 ,  H04L25/02

CPC classification number: H04L25/12 ,  H04L25/0278 ,  H04L25/0292

Abstract: The present invention discloses a receiver capable of enhancing accuracy of signal reception. The receiver includes a variable termination resistance unit, coupled to at least one channel, for utilizing at least one termination resistance corresponding to the at least one channel to perform impedance matching, and a signal detection and termination resistance adjustment unit, for detecting at least one external calibration signal corresponding to the at least one channel from at least one external signal generator, and adjusting the at least one termination resistance.

Abstract translation: 本发明公开了一种能够提高信号接收精度的接收机。 接收机包括耦合到至少一个通道的可变终端电阻单元，用于利用对应于至少一个通道的至少一个终端电阻来执行阻抗匹配;以及信号检测和终止电阻调节单元，用于检测至少一个 外部校准信号对应于来自至少一个外部信号发生器的至少一个通道，并且调整至少一个终端电阻。

公开(公告)号：US20140368553A1

公开(公告)日：2014-12-18

申请号：US14018406

申请日：2013-09-04

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Sou-Chieh Chang ,  Shun-Hsun Yang ,  Tse-Hung Wu

IPC: G09G3/20

CPC classification number: G09G3/3614

Abstract: A source driver apparatus configured to drive a display panel is provided. The source driver apparatus includes a data operation circuit and a pixel driving circuit. The data operation circuit is configured to receive pixel data and perform a polarity determination operation on the pixel data to determine a polarity distribution information of pixels on the display panel. The pixel driving circuit is coupled to the data operation circuit. The pixel driving circuit is configured to drive the display panel according to the pixel data and the polarity distribution information. Furthermore, a driving method of the display panel is also provided.

Abstract translation: 提供了构造成驱动显示面板的源驱动器装置。 源极驱动器装置包括数据运算电路和像素驱动电路。 数据运算电路被配置为接收像素数据并对像素数据执行极性确定操作，以确定显示面板上的像素的极性分布信息。 像素驱动电路耦合到数据运算电路。 像素驱动电路被配置为根据像素数据和极性分布信息来驱动显示面板。 此外，还提供了显示面板的驱动方法。

公开(公告)号：US08866529B2

公开(公告)日：2014-10-21

申请号：US13786589

申请日：2013-03-06

Applicant: Novatek Microelectronics Corp.

Inventor： Tse-Hung Wu ,  Chao-Kai Tu

IPC: H03K5/08 ,  G05F3/08

CPC classification number: G05F3/08 ,  H03F3/45 ,  H03F2203/45061

Abstract: An interface circuit includes a receiver, a first terminal resistor, a second terminal resistor, a common mode capacitor, a first switch, a second switch, and a common mode potential adjustment circuit. The receiver includes a first channel for receiving a first channel voltage, and a second channel for receiving a second channel voltage. The common mode capacitor provides a common mode potential. The first switch electrically connects the first terminal resistor to the common mode capacitor, and the second switch electrically connects the second terminal resistor to the common mode capacitor. The common mode potential adjustment circuit is coupled to the first switch, the second switch and the common mode capacitor, and adjusts the common mode potential according to the first channel voltage and the second channel voltage.

Abstract translation: 接口电路包括接收器，第一端子电阻器，第二端子电阻器，共模电容器，第一开关，第二开关和共模电位调节电路。 接收机包括用于接收第一信道电压的第一信道和用于接收第二信道电压的第二信道。 共模电容提供共模电位。 第一开关将第一端子电阻器电连接到共模电容器，并且第二开关将第二端子电阻器电连接到共模电容器。 共模电位调节电路耦合到第一开关，第二开关和共模电容器，并根据第一通道电压和第二通道电压调节共模电位。

公开(公告)号：US20140029699A1

公开(公告)日：2014-01-30

申请号：US13949220

申请日：2013-07-23

Applicant: Novatek Microelectronics Corp.

Inventor： Tse-Hung Wu

IPC: H04L25/12

CPC classification number: H04L25/12 ,  H04L25/0278

Abstract: The present invention discloses a reception circuit capable of enhancing accuracy of signal reception. The reception circuit includes a variable termination resistance unit, coupled to at least one channel, for utilizing at least one termination resistance corresponding to the at least one channel to perform impedance matching, a receiver, coupled to the at least one channel, for receiving a calibration signal to generate a digital calibration signal, and a data determination control unit, for comparing the digital calibration signal with a predefined data, to adjust the at least one termination resistance.

Abstract translation: 本发明公开了一种能够提高信号接收精度的接收电路。 接收电路包括耦合到至少一个信道的可变终端电阻单元，用于利用与至少一个信道相对应的至少一个终端电阻来执行阻抗匹配，耦合到所述至少一个信道的接收机，用于接收 校准信号以产生数字校准信号，以及数据确定控制单元，用于将数字校准信号与预定数据进行比较，以调整至少一个终端电阻。