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    Current integrator for OLED panel
    1.
    发明授权
    Current integrator for OLED panel 有权

    公开(公告)号：US11196397B2

    公开(公告)日：2021-12-07

    申请号：US16731041

    申请日：2019-12-31

    Applicant: NOVATEK Microelectronics Corp.

    Inventor： Chih-Wen Lu ,  Chieh-An Lin ,  Yen-Ru Kuo ,  Jhih-Siou Cheng ,  Ju-Lin Huang

    IPC: G09G3/3225 ,  H03F3/45

    Abstract: The present invention includes a current integrator for an organic light-emitting diode (OLED) panel. The current integrator includes an operational amplifier, which includes an output stage. The output stage, coupled to an output terminal of the current integrator, includes a first output transistor, a second output transistor, a first stack transistor and a second stack transistor. The first stack transistor is coupled between the first output transistor and the output terminal. The second stack transistor is coupled between the second output transistor and the output terminal.

    Current integrator for OLED panel
    2.
    发明申请
    Current integrator for OLED panel 有权

    公开(公告)号：US20210203291A1

    公开(公告)日：2021-07-01

    申请号：US16731041

    申请日：2019-12-31

    Applicant: NOVATEK Microelectronics Corp.

    Inventor： Chih-Wen Lu ,  Chieh-An Lin ,  Yen-Ru Kuo ,  Jhih-Siou Cheng ,  Ju-Lin Huang

    IPC: H03F3/45 ,  G09G3/3225

    Abstract: The present invention includes a current integrator for an organic light-emitting diode (OLED) panel. The current integrator includes an operational amplifier, which includes an output stage. The output stage, coupled to an output terminal of the current integrator, includes a first output transistor, a second output transistor, a first stack transistor and a second stack transistor. The first stack transistor is coupled between the first output transistor and the output terminal. The second stack transistor is coupled between the second output transistor and the output terminal.

    GATE DRIVER CIRCUIT, DISPLAY APPARATUS HAVING THE SAME, AND GATE DRIVING METHOD
    5.
    发明申请
    GATE DRIVER CIRCUIT, DISPLAY APPARATUS HAVING THE SAME, AND GATE DRIVING METHOD 有权
    门控驱动电路，具有相同的显示设备和门驱动方法

    公开(公告)号：US20160307529A1

    公开(公告)日：2016-10-20

    申请号：US14687931

    申请日：2015-04-16

    Applicant: Novatek Microelectronics Corp.

    Inventor： Po-Yu Tseng ,  Chieh-An Lin ,  Po-Hsiang Fang ,  Jhih-Siou Cheng ,  Ju-Lin Huang ,  Yi-Chuan Liu

    IPC: G09G3/36 ,  G09G3/32

    CPC classification number: G09G3/3648 ,  G09G3/3258 ,  G09G3/3677 ,  G09G2300/04 ,  G09G2310/0291 ,  G09G2310/067 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0252 ,  G09G2330/02

    Abstract: A gate driver, a display apparatus having the same, and a gate driving method are provided. The display apparatus includes a plurality of pixels, a data driver circuit, and a gate driver circuit. The gate driver circuit includes M groups of gate channels. Each of the M groups of gate channels includes a control circuit and an output buffer. The control circuit receives a power supply voltage from a power supply circuit and generates a modulated supply voltage. The output buffer is connected to the control circuit, the output buffer is powered by the modulated supply voltage to output a gate signal to a gate line of the display panel, wherein a driving pulse of the gate signal is shaped during a charge period according to the modulated supply voltage, and the shape of the driving pulse of the gate signal is maintained during a pre-charge period.

    Abstract translation: 提供了栅极驱动器，具有该栅极驱动器的显示装置和栅极驱动方法。 显示装置包括多个像素，数据驱动电路和栅极驱动电路。 栅极驱动器电路包括M组栅极通道。 M组栅极通道中的每一个包括控制电路和输出缓冲器。 控制电路从电源电路接收电源电压并产生调制电源电压。 输出缓冲器连接到控制电路，输出缓冲器由调制电源电压供电，以将栅极信号输出到显示面板的栅极线，其中栅极信号的驱动脉冲在充电期间根据 调制电源电压和门信号的驱动脉冲的形状在预充电期间保持。

    Driving Module and Driving Device thereof
    6.
    发明申请
    Driving Module and Driving Device thereof 有权
    驱动模块及其驱动装置

    公开(公告)号：US20160086556A1

    公开(公告)日：2016-03-24

    申请号：US14494572

    申请日：2014-09-23

    Applicant: NOVATEK Microelectronics Corp.

    Inventor： Chieh-An Lin ,  Pang-Chen Hung

    IPC: G09G3/36

    CPC classification number: G09G3/3614 ,  G09G3/3688 ,  G09G2310/0291

    Abstract: A driving module for a driving device of a display system includes a control unit, for generating a control signal according to a polarity signal indicating whether the driving device performs a polarity inversion; a first driving unit, coupled to the control unit, a first voltage source and a second voltage source, for generating a positive output voltage at a first output end according to a first display voltage and charging the first output end via the second voltage source according to the control signal; and a second driving unit, coupled to the control unit, the second voltage source and a third voltage source, for generating a negative output voltage at a second output end according to a second display voltage and discharging the second output end via the second voltage source according to the control signal.

    Abstract translation: 用于显示系统的驱动装置的驱动模块包括：控制单元，用于根据指示驱动装置是否执行极性反转的极性信号产生控制信号; 第一驱动单元，耦合到控制单元，第一电压源和第二电压源，用于根据第一显示电压在第一输出端产生正输出电压，并且经由第二电压源对第一输出端充电，根据 到控制信号; 以及第二驱动单元，其耦合到所述控制单元，所述第二电压源和第三电压源，用于根据第二显示电压在第二输出端产生负输出电压，并且经由所述第二电压源对所述第二输出端进行放电 根据控制信号。

    PANEL DRIVER IC AND COOLING METHOD THEREOF
    7.
    发明申请
    PANEL DRIVER IC AND COOLING METHOD THEREOF 有权
    面板驱动IC及其冷却方法

    公开(公告)号：US20140139270A1

    公开(公告)日：2014-05-22

    申请号：US13928376

    申请日：2013-06-26

    Applicant: Novatek Microelectronics Corp.

    Inventor： Ju-Lin Huang ,  Jhih-Siou Cheng ,  Chun-Yung Cho ,  Chieh-An Lin

    IPC: H03K3/011

    CPC classification number: G09G3/00 ,  G09G2300/0838 ,  G09G2300/0871 ,  G09G2310/0213 ,  G09G2310/0289 ,  G09G2330/045

    Abstract: A panel driver integrated circuit (IC) and a cooling method of the panel driver IC are provided. The panel driver IC includes a data encoder, a level shifter, a Digital-to-Analog Converter (DAC), a rearrangement circuit and an output buffer. The data encoder receives and selectively changes an original data for outputting to the level shifter. An input terminal and an output terminal of the level shifter are coupled to an output terminal of the data encoder and a data input terminal of the DAC, respectively. The output terminals of the rearrangement circuit are respectively coupled to the reference voltage input terminals of the DAC for providing different reference voltages. The rearrangement circuit correspondingly rearranges the order of the reference voltages according to the operation of the data encoder. An input terminal of the output buffer is coupled to an output terminal of the DAC.

    Abstract translation: 提供面板驱动器集成电路（IC）和面板驱动器IC的冷却方法。 面板驱动器IC包括数据编码器，电平转换器，数模转换器（DAC），重排电路和输出缓冲器。 数据编码器接收并选择性地改变用于输出到电平移位器的原始数据。 电平移位器的输入端子和输出端子分别耦合到数据编码器的输出端子和DAC的数据输入端子。 重排电路的输出端分别耦合到DAC的参考电压输入端，以提供不同的参考电压。 重排电路根据数据编码器的操作相应地重新排列参考电压的顺序。 输出缓冲器的输入端耦合到DAC的输出端。

    DISPLAY DRIVER AND DISPLAY DRIVING METHOD
    8.
    发明申请
    DISPLAY DRIVER AND DISPLAY DRIVING METHOD 有权

    公开(公告)号：US20210304675A1

    公开(公告)日：2021-09-30

    申请号：US16827713

    申请日：2020-03-24

    Applicant: Novatek Microelectronics Corp.

    Inventor： Jhih-Siou Cheng ,  Po-Hsiang Fang ,  Chieh-An Lin ,  Keko-Chun Liang ,  Ju-Lin Huang

    IPC: G09G3/3258

    Abstract: A display driver and a display driving method are provided. The display driving is adapted for driving a display panel and sensing an electrical characteristic of the display panel. The display driver includes a first amplifier circuit. The first amplifier circuit is coupled to the display panel. The first amplifier circuit includes a first driving circuit, a first sensing circuit and a first operational amplifier. The first operational amplifier is coupled to the display panel through a first driving line and a first sensing line. The first driving circuit is configured to provide a first driving signal to the display panel through the first operational amplifier and the first driving line during a driving period. The first sensing circuit is configured to receive a first sensing signal from the display panel through the first operational amplifier and the first sensing line during a first sensing period.

    Buffer circuit, panel module, and display driving method
    9.
    发明授权
    Buffer circuit, panel module, and display driving method 有权

    公开(公告)号：US09997119B2

    公开(公告)日：2018-06-12

    申请号：US14339753

    申请日：2014-07-24

    Applicant: NOVATEK MICROELECTRONICS CORP.

    Inventor： Chieh-An Lin ,  Chun-Yung Cho ,  Jhih-Siou Cheng

    IPC: G09G3/36

    CPC classification number: G09G3/3614 ,  G09G3/3685 ,  G09G2310/027 ,  G09G2310/0291

    Abstract: A buffer circuit, a display module, and a display driving method are disclosed. The buffer circuit comprises a positive polarity buffer, a negative polarity buffer. The positive polarity buffer receives a first supply voltage and a second supply voltage to output a positive reference voltage to a positive resistance string. The second supply voltage is less than the first supply voltage. The negative polarity buffer receives the second supply voltage and a third supply voltage to output a negative reference voltage to a negative resistance string. The third supply voltage is less than the second supply voltage.

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