公开(公告)号：US20190057659A1

公开(公告)日：2019-02-21

申请号：US15681480

申请日：2017-08-21

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Cheng-Wen Lin ,  Chin-Yuan Tu ,  Hui-Hung Chang ,  Chien-Yu Chen

IPC: G09G3/34

Abstract: A brightness compensation method and a brightness compensation circuit for a display device are provided. The brightness compensation method includes the following steps. Receive original image data. Receive backlight timing parameters. Perform brightness compensation according to the image data and the backlight timing parameters. The step of performing brightness compensation includes adjusting at least one of pixel driving data, a driving gamma level, and a driver boost level.

公开(公告)号：US20180075819A1

公开(公告)日：2018-03-15

申请号：US15814375

申请日：2017-11-15

Applicant: Novatek Microelectronics Corp.

Inventor： Chien-Yu Chen ,  Chien-Chou Hung ,  Wei-Ying Tu ,  Jiun-Ting Chen

IPC: G09G5/18 ,  G06F1/32 ,  G09G5/12

CPC classification number: G09G5/18 ,  G06F1/3218 ,  G06F1/3265 ,  G09G5/12 ,  G09G2310/065 ,  G09G2310/067 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2370/08 ,  Y02D10/153 ,  Y02D50/20

Abstract: A display driving apparatus including a receiver circuit, a detection circuit and a driving circuit is provided. The receiver circuit receives the video image data at a first rate. The detection circuit is coupled to the receiver circuit. The detection circuit detects whether the video image data is a static image, and determines whether the display driving apparatus enters a power saving mode based on a detecting result. The driving circuit is coupled to the receiver circuit. The driving circuit drives the display panel. In the power saving mode, the receiver circuit continuously receives the video image data at the first rate, and periodically masks a part of the video image data according to the detecting result and outputs an unmasked part of the video image data to the driving circuit. Furthermore, a display driving method adapted for the foregoing display driving apparatus is also provided.

公开(公告)号：US09491724B2

公开(公告)日：2016-11-08

申请号：US13831739

申请日：2013-03-15

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chien-Yu Chen ,  Kai-Wen Shao ,  Feng-Jung Kuo

IPC: H04W56/00 ,  H04N19/164 ,  H04N19/166 ,  G09G5/12 ,  H04N19/89 ,  G06F3/14 ,  H04N21/43 ,  G06F1/32

CPC classification number: H04W56/00 ,  G06F1/3218 ,  G06F1/324 ,  G06F3/14 ,  G06F3/1415 ,  G09G5/12 ,  H04N19/164 ,  H04N19/166 ,  H04N19/89 ,  H04N21/4302

Abstract: A data transmission system is utilized in a Mobile Industry Processor Interface (MIPI). A master device includes a control module for generating a control signal according to a feedback signal. A packet encoding module is coupled to the control module for encoding an original packet to be a transmission packet according to the original packet and the control signal to process a transmission operation. A slave device includes a packet decoding module for decoding the transmission packet to be the original packet or a related display device signal corresponding to the original packet to a display device. A feedback module is coupled to the packet decoding module for generating the feedback signal to the control module of the master device according to a decoding condition of the control module, so as to switch a transmission mode of the transmission operation.

Abstract translation: 在移动工业处理器接口（MIPI）中使用数据传输系统。 主设备包括用于根据反馈信号产生控制信号的控制模块。 分组编码模块耦合到控制模块，用于根据原始分组和控制信号将原始分组编码为传输分组，以处理传输操作。 从设备包括用于将作为原始分组的传输分组或与原始分组相对应的相关显示设备信号解码到显示设备的分组解码模块。 反馈模块耦合到分组解码模块，用于根据控制模块的解码条件向主设备的控制模块生成反馈信号，以便切换传输操作的传输模式。

公开(公告)号：US20200219437A1

公开(公告)日：2020-07-09

申请号：US16822031

申请日：2020-03-18

Applicant: Novatek Microelectronics Corp.

Inventor： Kun-Yueh Lin ,  Hui-Hung Chang ,  Chien-Yu Chen

IPC: G09G3/32 ,  G09G3/3233

Abstract: A driving apparatus of a light emitting diode (LED) display device is provided. The driving apparatus includes a timing control circuit. The timing control circuit outputs a plurality of driving control signals to a gate driving circuit on an LED display panel of the LED display device. Wherein, the plurality of driving control signals includes a first driving control signal and a second driving control signal, and the pulse width of the first driving control signal in a first horizontal line period is different from the pulse width of a second driving control signal in a second horizontal line period preceding to the first horizontal line period.

公开(公告)号：US10699662B2

公开(公告)日：2020-06-30

申请号：US15614629

申请日：2017-06-06

Applicant: Novatek Microelectronics Corp.

Inventor： I-Te Liu ,  Chia-Wei Chang ,  Chien-Yu Chen ,  Hsien-Wen Lo

IPC: G09G3/36 ,  G09G3/20 ,  G09G3/3233

Abstract: An integrated circuit for driving a display panel is provided. The integrated circuit includes a gamma mapping unit and a mura compensation unit. The gamma mapping unit is configured to receive a gray level of an image data, map the gray level to a gamma code according to at least one gamma table, and output the gamma code. The mura compensation unit is configured to receive the gamma code, and compensate the gamma code according to at least one de-mura table to generate a compensation result after the gamma mapping unit performs the step of mapping the gray level to the gamma code. The integrated circuit drives the display panel according to the compensation result. In addition, a method for driving a display panel is also provided.

公开(公告)号：US09858898B2

公开(公告)日：2018-01-02

申请号：US15175047

申请日：2016-06-07

Applicant: Novatek Microelectronics Corp.

Inventor： Chien-Yu Chen ,  Chien-Chou Hung ,  Wei-Ying Tu ,  Jiun-Ting Chen

IPC: G09G5/18 ,  G09G5/12

CPC classification number: G09G5/18 ,  G06F1/3218 ,  G06F1/3265 ,  G09G5/12 ,  G09G2310/065 ,  G09G2310/067 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2370/08 ,  Y02D10/153 ,  Y02D50/20

Abstract: A display driving apparatus including a signal transmission interface, a timing control circuit and an image detection circuit is provided. The signal transmission interface is configured to receive video image data and output the video image data. The timing control circuit is configured to receive the video image data and drive a display panel based on the video image data. The image detection circuit determines whether the video image data is a static image and determines whether the display driving apparatus operates in a power-saving mode based on the determination result. Under the power-saving mode, the signal transmission interface masks a part of the video image data, so as not to output the masked video image data to the timing control circuit. Furthermore, a display driving method adapted for the foregoing display driving apparatus is also provided.

公开(公告)号：US20160349896A1

公开(公告)日：2016-12-01

申请号：US14722168

申请日：2015-05-27

Applicant: Novatek Microelectronics Corp.

Inventor： Kun-Yueh Lin ,  I-Te Liu ,  Chien-Yu Chen

IPC: G06F3/041 ,  G02F1/1333

CPC classification number: G06F3/0416 ,  G02F1/13338

Abstract: A display driving apparatus configured to drive a touch display panel is provided. The touch display panel includes gate drivers and scan lines. The display driving apparatus includes a driving controller. The driving controller provides clock signals to the gate drivers during a display period. The display period includes scan operation periods. The gate drivers drive the scan lines according to the clock signals during the scan operation periods. The driving controller further provides a clear signal and a pre-charge signal to at least one of the gate drivers to insert at least one touch sensing period between the scan operation periods, so that the touch display panel performs a touch sensing operation during the at least one touch sensing period. Furthermore, a method for driving the touch display panel is also provided.

Abstract translation: 提供了一种驱动触摸显示面板的显示驱动装置。 触摸显示面板包括栅极驱动器和扫描线。 显示驱动装置包括驱动控制器。 驱动控制器在显示期间向门驱动器提供时钟信号。 显示周期包括扫描操作周期。 栅极驱动器在扫描操作期间根据时钟信号驱动扫描线。 驱动控制器还向至少一个栅极驱动器提供清除信号和预充电信号，以在扫描操作周期之间插入至少一个触摸感测周期，使得触摸显示面板在at 至少一个触摸感应周期。 此外，还提供了一种用于驱动触摸显示面板的方法。

公开(公告)号：US09077505B2

公开(公告)日：2015-07-07

申请号：US13942723

申请日：2013-07-16

Applicant: Novatek Microelectronics Corp.

Inventor： Chih-Chao Yang ,  Wei-Ying Tu ,  Yu-Hsun Peng ,  Feng-Jung Kuo ,  Chien-Yu Chen

IPC: H04L27/06 ,  H04L7/00

CPC classification number: H04L7/0066 ,  G09G2330/06 ,  G09G2370/10

Abstract: A signal receiving apparatus and method adapted for receiving a MIPI signal are disclosed. The signal receiving apparatus includes a signal receiver, a selector, a decoding apparatus and a byte boundary searcher. The signal receiver receives a clock signal, and obtains an input data stream according to the clock signal. The selector outputs the input data stream to a first or second output terminal according to a decoding error signal. The byte boundary searcher operates a boundary searching operation on the input data stream for generating a byte tuning information, wherein, the signal receiver adjusts the clock according to the byte tuning information for adjusting the input data stream.

Abstract translation: 公开了一种适于接收MIPI信号的信号接收装置和方法。 信号接收装置包括信号接收器，选择器，解码装置和字节边界搜索器。 信号接收器接收时钟信号，并根据时钟信号获得输入数据流。 选择器根据解码错误信号将输入数据流输出到第一或第二输出端。 字节边界搜索器对输入数据流进行边界搜索操作，以产生字节调谐信息，其中信号接收机根据用于调整输入数据流的字节调谐信息来调整时钟。

公开(公告)号：US20140204068A1

公开(公告)日：2014-07-24

申请号：US13943803

申请日：2013-07-17

Applicant: Novatek Microelectronics Corp.

Inventor： Chien-Yu Chen ,  Chien-Chou Hung ,  Wei-Ying Tu ,  Jiun-Ting Chen

IPC: G09G5/00 ,  G09G5/18

CPC classification number: G09G5/18 ,  G06F1/3218 ,  G06F1/3265 ,  G09G5/12 ,  G09G2310/065 ,  G09G2310/067 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2370/08 ,  Y02D10/153 ,  Y02D50/20

Abstract: A display driving apparatus including a signal transmission interface, a timing control circuit and an image detection circuit is provided. The signal transmission interface is configured to receive video image data and output the video image data. The timing control circuit is configured to receive the video image data and drive a display panel based on the video image data. The image detection circuit determines whether the video image data is a static image and determines whether the display driving apparatus operates in a power-saving mode based on the determination result. Under the power-saving mode, the signal transmission interface masks a part of the video image data, so as not: to output the masked video image data to the timing control circuit. Furthermore, a display driving method adapted for the foregoing display driving apparatus is also provided.

Abstract translation: 提供了包括信号传输接口，定时控制电路和图像检测电路的显示驱动装置。 信号传输接口被配置为接收视频图像数据并输出视频图像数据。 定时控制电路被配置为接收视频图像数据并且基于视频图像数据驱动显示面板。 图像检测电路确定视频图像数据是否是静态图像，并且基于确定结果来确定显示驱动装置是否以省电模式操作。 在省电模式下，信号传输接口掩盖视频图像数据的一部分，从而不将屏蔽的视频图像数据输出到定时控制电路。 此外，还提供了适用于上述显示驱动装置的显示驱动方法。

公开(公告)号：US20140126566A1

公开(公告)日：2014-05-08

申请号：US13831739

申请日：2013-03-15

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chien-Yu Chen ,  Kai-Wen Shao ,  Feng-Jung Kuo

IPC: H04W56/00

CPC classification number: H04W56/00 ,  G06F1/3218 ,  G06F1/324 ,  G06F3/14 ,  G06F3/1415 ,  G09G5/12 ,  H04N19/164 ,  H04N19/166 ,  H04N19/89 ,  H04N21/4302

Abstract: A data transmission system is utilized in a Mobile Industry Processor Interface (MIPI). A master device includes a control module for generating a control signal according to a feedback signal. A packet encoding module is coupled to the control module for encoding an original packet to be a transmission packet according to the original packet and the control signal to process a transmission operation. A slave device includes a packet decoding module for decoding the transmission packet to be the original packet or a related display device signal corresponding to the original packet to a display device. A feedback module is coupled to the packet decoding module for generating the feedback signal to the control module of the master device according to a decoding condition of the control module, so as to switch a transmission mode of the transmission operation.

Abstract translation: 在移动工业处理器接口（MIPI）中使用数据传输系统。 主设备包括用于根据反馈信号产生控制信号的控制模块。 分组编码模块耦合到控制模块，用于根据原始分组和控制信号将原始分组编码为传输分组，以处理传输操作。 从设备包括用于将作为原始分组的传输分组或与原始分组相对应的相关显示设备信号解码到显示设备的分组解码模块。 反馈模块耦合到分组解码模块，用于根据控制模块的解码条件向主设备的控制模块产生反馈信号，从而切换传输操作的传输模式。