公开(公告)号：US20150295544A1

公开(公告)日：2015-10-15

申请号：US14751152

申请日：2015-06-26

Applicant: Novatek Microelectronics Corp.

Inventor： Chia-Wei Su ,  Ju-Lin Huang ,  Keko-Chun Liang

IPC: H03F1/30 ,  H03F3/04

CPC classification number: H03F1/083 ,  H03F1/52 ,  H03F1/523 ,  H03F3/303 ,  H03F3/45475 ,  H03F2200/129 ,  H03F2200/153 ,  H03F2200/444 ,  H03F2203/30036 ,  H03F2203/45218 ,  H03F2203/45654 ,  H03F2203/45658 ,  H03F2203/45686 ,  H03F2203/45702

Abstract: An amplifier circuit with an overshoot suppress scheme is provided. The amplifier circuit includes an input amplifier, an output amplifier and a diode device. The output amplifier is coupled to the input amplifier and outputs an output voltage. The diode device is coupled between an output end and an input end of the output amplifier. When a voltage difference between the output end and the input end of the output amplifier is greater than a barrier voltage of the diode device, the diode device is turned on, and an overshoot of the output voltage is reduced.

Abstract translation: 提供了具有过冲抑制方案的放大器电路。 放大器电路包括输入放大器，输出放大器和二极管器件。 输出放大器耦合到输入放大器并输出一个输出电压。 二极管器件耦合在输出端和输出放大器的输入端之间。 当输出端与输出放大器的输入端之间的电压差大于二极管器件的势垒电压时，二极管器件导通，输出电压的过冲减小。

公开(公告)号：US20150009196A1

公开(公告)日：2015-01-08

申请号：US14492079

申请日：2014-09-22

Applicant: Novatek Microelectronics Corp.

Inventor： Li-Tang Lin ,  Keko-Chun Liang

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3688 ,  G09G2310/0251 ,  G09G2320/0223 ,  G09G2320/0252 ,  G09G2330/021

Abstract: A display apparatus and a driving method for the display apparatus are provided. The display apparatus includes a display panel and a first source driver. The display panel has a pixel array. The first source driver sequentially supplies a first overdrive voltage and a driving voltage to a pixel in the pixel array. The first overdrive voltage has a plurality of voltage levels according to positions of pixels in the pixel array.

Abstract translation: 提供了一种用于显示装置的显示装置和驱动方法。 显示装置包括显示面板和第一源驱动器。 显示面板具有像素阵列。 第一源极驱动器向像素阵列中的像素依次提供第一过驱动电压和驱动电压。 第一过驱动电压根据像素阵列中的像素的位置具有多个电压电平。

公开(公告)号：US08823440B2

公开(公告)日：2014-09-02

申请号：US13792245

申请日：2013-03-11

Applicant: Novatek Microelectronics Corp.

Inventor： Cheng-Hung Chen ,  Ju-Lin Huang ,  Keko-Chun Liang

IPC: H03L5/00

CPC classification number: H03K3/012 ,  H03K3/356182

Abstract: A level shifting circuit with dynamic control includes a dynamic controller and a level shifter. The dynamic controller outputs a dynamic voltage and an output data signal. The level shifter under control by the dynamic controller includes an input signal receiver, an output signal generator, and a bias current controller, which are coupled in series between a ground voltage and a high level voltage. The input signal receiver receives the output data signal of the dynamic controller and the output signal generator produces a level-shifted data signal according to the input data signal. The bias current controller controlled by the dynamic voltage is at a first current-output capability when the level-shifted data signal is at a stable stage and at a second current-output capability when the level-shifted data signal is at an unstable stage. The first current-output capability is greater than the second current-output capability.

Abstract translation: 具有动态控制的电平移动电路包括动态控制器和电平转换器。 动态控制器输出动态电压和输出数据信号。 由动态控制器控制的电平移位器包括输入信号接收器，输出信号发生器和偏置电流控制器，它们串联在接地电压和高电平电压之间。 输入信号接收器接收动态控制器的输出数据信号，输出信号发生器根据输入数据信号产生电平移位数据信号。 当电平移位数据信号处于不稳定阶段时，当电平移位数据信号处于稳定级并处于第二电流输出能力时，由动态电压控制的偏置电流控制器处于第一电流输出能力。 第一个电流输出能力大于第二个电流输出能力。

公开(公告)号：US20140002437A1

公开(公告)日：2014-01-02

申请号：US13751159

申请日：2013-01-28

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Keko-Chun Liang ,  Yueh-Hsiu Liu

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3611 ,  G09G2320/0223 ,  G09G2330/021

Abstract: A power-saving driving circuit for a flat panel display is provided. The power-saving driving circuit includes a pixel array and at least one source driver. The pixel array composes as a plurality of data lines. The data lines are grouped into a plurality of pixel regions according to a scan time. Each of the pixel regions has a plurality of pixels. The source driver sequentially supplies a driving voltage to the pixels on at least one of the data lines. The driving voltage supplied by the source driver to each of the pixel regions has a varying driving capability, and the driving capability gets stronger as it gets closer to an end of the data lines.

Abstract translation: 提供了一种用于平板显示器的省电驱动电路。 省电驱动电路包括像素阵列和至少一个源极驱动器。 像素阵列组成多条数据线。 根据扫描时间将数据线分组成多个像素区域。 每个像素区域具有多个像素。 源极驱动器依次向至少一条数据线上的像素提供驱动电压。 由源极驱动器提供给每个像素区域的驱动电压具有变化的驱动能力，并且随着其越接近数据线的端部，驱动能力变得越来越强。