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。

公开(公告)号：US20160078794A1

公开(公告)日：2016-03-17

申请号：US14534167

申请日：2014-11-06

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Jhih-Siou Cheng ,  Pang-Chen Hung

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/0264 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2330/025 ,  G09G2330/045

Abstract: A driving device and a source driving method are provided. The driving device includes a first code mapping unit, a first source driving channel, a second code mapping unit and a second source driving channel. The first code mapping unit converts a first input code in input data into a first intermediate code according to a first code-to-code mapping relation. The first source driving channel converts the first intermediate code into a first analog voltage according to a first code-to-voltage mapping relation. The second code mapping unit converts a second input code in the input data into a second intermediate code according to a second code-to-code mapping relation which is different from the first code-to-code mapping relation. The second source driving channel converts the second intermediate code into a second analog voltage according to a second code-to-voltage mapping relation which is different from the first code-to-voltage mapping relation.

Abstract translation: 提供驱动装置和源驱动方法。 驱动装置包括第一码映射单元，第一源驱动信道，第二码映射单元和第二源驱动信道。 第一代码映射单元根据第一代码映射关系将输入数据中的第一输入代码转换为第一中间代码。 第一源驱动通道根据第一代码电压映射关系将第一中间代码转换成第一模拟电压。 第二代码映射单元根据与第一代码到代码映射关系不同的第二代码到代码映射关系将输入数据中的第二输入代码转换为第二中间代码。 第二源极驱动通道根据与第一代码电压映射关系不同的第二代码到电压映射关系将第二中间代码转换成第二模拟电压。

公开(公告)号：US09842528B2

公开(公告)日：2017-12-12

申请号：US15256753

申请日：2016-09-06

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Jhih-Siou Cheng ,  Pang-Chen Hung

IPC: G09G3/3275 ,  G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2330/025 ,  G09G2330/045

Abstract: A driving device is provided. The driving device includes a first code mapping circuit, a first source driving channel, a second code mapping circuit and a second source driving channel. The first code mapping circuit converts a first input code in input data into a first intermediate code according to a first code-to-code mapping relation. The first source driving channel converts the first intermediate code into a first analog voltage according to a first code-to-voltage mapping relation. The second code mapping circuit converts a second input code in the input data into a second intennediate code according to a second code-to-code mapping relation which is different from the first code-to-code mapping relation. The second source driving channel converts the second intermediate code into a second analog voltage according to a second code-to-voltage mapping relation which is different from the first code-to-voltage mapping relation.

公开(公告)号：US09536462B2

公开(公告)日：2017-01-03

申请号：US14534167

申请日：2014-11-06

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Jhih-Siou Cheng ,  Pang-Chen Hung

IPC: G09G3/3275 ,  G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/0264 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2330/025 ,  G09G2330/045

Abstract: A driving device and a source driving method are provided. The driving device includes a first code mapping unit, a first source driving channel, a second code mapping unit and a second source driving channel. The first code mapping unit converts a first input code in input data into a first intermediate code according to a first code-to-code mapping relation. The first source driving channel converts the first intermediate code into a first analog voltage according to a first code-to-voltage mapping relation. The second code mapping unit converts a second input code in the input data into a second intermediate code according to a second code-to-code mapping relation which is different from the first code-to-code mapping relation. The second source driving channel converts the second intermediate code into a second analog voltage according to a second code-to-voltage mapping relation which is different from the first code-to-voltage mapping relation.

Abstract translation: 提供驱动装置和源驱动方法。 驱动装置包括第一码映射单元，第一源驱动信道，第二码映射单元和第二源驱动信道。 第一代码映射单元根据第一代码映射关系将输入数据中的第一输入代码转换为第一中间代码。 第一源驱动通道根据第一代码电压映射关系将第一中间代码转换成第一模拟电压。 第二代码映射单元根据与第一代码到代码映射关系不同的第二代码到代码映射关系将输入数据中的第二输入代码转换为第二中间代码。 第二源极驱动通道根据与第一代码电压映射关系不同的第二代码到电压映射关系将第二中间代码转换成第二模拟电压。

公开(公告)号：US09786234B2

公开(公告)日：2017-10-10

申请号：US14494572

申请日：2014-09-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-An Lin ,  Pang-Chen Hung

IPC: G09G5/00 ,  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.

公开(公告)号：US20160372018A1

公开(公告)日：2016-12-22

申请号：US15256753

申请日：2016-09-06

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Jhih-Siou Cheng ,  Pang-Chen Hung

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2330/025 ,  G09G2330/045

Abstract: A driving device is provided. The driving device includes a first code mapping circuit, a first source driving channel, a second code mapping circuit and a second source driving channel. The first code mapping circuit converts a first input code in input data into a first intermediate code according to a first code-to-code mapping relation. The first source driving channel converts the first intermediate code into a first analog voltage according to a first code-to-voltage mapping relation. The second code mapping circuit converts a second input code in the input data into a second intennediate code according to a second code-to-code mapping relation which is different from the first code-to-code mapping relation. The second source driving channel converts the second intermediate code into a second analog voltage according to a second code-to-voltage mapping relation which is different from the first code-to-voltage mapping relation.

Abstract translation: 提供驱动装置。 驱动装置包括第一码映射电路，第一源驱动信道，第二码映射电路和第二源驱动信道。 第一代码映射电路根据第一代码映射关系将输入数据中的第一输入代码转换为第一中间代码。 第一源驱动通道根据第一代码电压映射关系将第一中间代码转换成第一模拟电压。 第二代码映射电路根据与第一代码到代码映射关系不同的第二代码到代码映射关系将输入数据中的第二输入代码转换成第二内部代码。 第二源极驱动通道根据与第一代码电压映射关系不同的第二代码到电压映射关系将第二中间代码转换成第二模拟电压。

公开(公告)号：US09799284B1

公开(公告)日：2017-10-24

申请号：US15675808

申请日：2017-08-14

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-An Lin ,  Pang-Chen Hung

IPC: G09G5/00 ,  G09G3/36

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

Abstract: A driving device includes a first driving circuit, coupled to a first voltage source and a second voltage source having a voltage level lower than the first voltage source, for driving a positive output voltage to a first output end according to a first display voltage and charging the first output end with the second voltage source according to a control signal indicating whether the driving device performs a polarity inversion; and a second driving circuit, coupled to the second voltage source and a third voltage source having a voltage level lower than the second voltage source, for driving a negative output voltage to a second output end according to a second display voltage and discharging the second output end with the second voltage source according to the control signal.

公开(公告)号：US09240151B2

公开(公告)日：2016-01-19

申请号：US14047037

申请日：2013-10-07

Applicant: Novatek Microelectronics Corp.

Inventor： Pang-Chen Hung ,  Jhih-Siou Cheng ,  Hung-Cheng Hsiao

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3688 ,  G09G2310/0297

Abstract: A source driver and a method for determining polarity of pixel voltage thereof are provided. The source driver includes a data register unit, a plurality of data groups and a plurality of polarity determining units. The data register unit receives an image data signal and provides a plurality of display data. The data groups have at least two data channels respectively. The data channels are coupled to the data register unit to receive the corresponding display data and provide a plurality of pixel voltages. The polarity determining units are respectively coupled to the data channels corresponding to different data groups, and each of the polarity determining units determines whether to invert polarities of a part of the pixel voltages provided by the coupled data channels according to the received display data of the coupled data channels and previous display data corresponding to the received display data.

Abstract translation: 提供了源极驱动器和用于确定其像素电压极性的方法。 源极驱动器包括数据寄存器单元，多个数据组和多个极性确定单元。 数据寄存器单元接收图像数据信号并提供多个显示数据。 数据组分别具有至少两个数据通道。 数据通道耦合到数据寄存器单元以接收对应的显示数据并提供多个像素电压。 极性判定单元分别与对应于不同数据组的数据通道耦合，并且极性判定单元中的每一个根据接收的显示数据来确定是否反转由耦合的数据通道提供的一部分像素电压的极性 耦合的数据信道和对应于所接收的显示数据的先前的显示数据。

公开(公告)号：US20150042629A1

公开(公告)日：2015-02-12

申请号：US14047037

申请日：2013-10-07

Applicant: Novatek Microelectronics Corp.

Inventor： Pang-Chen Hung ,  Jhih-Siou Cheng ,  Hung-Cheng Hsiao

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3688 ,  G09G2310/0297

Abstract: A source driver and a method for determining polarity of pixel voltage thereof are provided. The source driver includes a data register unit, a plurality of data groups and a plurality of polarity determining units. The data register unit receives an image data signal and provides a plurality of display data. The data groups have at least two data channels respectively. The data channels are coupled to the data register unit to receive the corresponding display data and provide a plurality of pixel voltages. The polarity determining units are respectively coupled to the data channels corresponding to different data groups, and each of the polarity determining units determines whether to invert polarities of a part of the pixel voltages provided by the coupled data channels according to the received display data of the coupled data channels and previous display data corresponding to the received display data.

Abstract translation: 提供了源极驱动器和用于确定其像素电压极性的方法。 源极驱动器包括数据寄存器单元，多个数据组和多个极性确定单元。 数据寄存器单元接收图像数据信号并提供多个显示数据。 数据组分别具有至少两个数据通道。 数据通道耦合到数据寄存器单元以接收对应的显示数据并提供多个像素电压。 极性判定单元分别与对应于不同数据组的数据通道耦合，并且极性判定单元中的每一个根据接收的显示数据来确定是否反转由耦合的数据通道提供的一部分像素电压的极性 耦合的数据信道和对应于所接收的显示数据的先前的显示数据。