公开(公告)号：US20140176227A1

公开(公告)日：2014-06-26

申请号：US13938225

申请日：2013-07-09

Applicant: Novatek Microelectronics Corp.

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

IPC: H03K17/16

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：US20140078133A1

公开(公告)日：2014-03-20

申请号：US14016135

申请日：2013-09-02

Applicant: Novatek Microelectronics Corp.

Inventor： Hsin-Hung Lee ,  Jr-Ching Lin ,  Chia-Wei Su ,  Po-Yu Tseng ,  Shun-Hsun Yang ,  Po-Hsiang Fang

IPC: G09G5/00

CPC classification number: G09G5/00 ,  G09G3/2092 ,  G09G2310/0283 ,  G09G2310/04 ,  G09G2330/12 ,  G09G2370/08 ,  G09G2370/10

Abstract: A panel display apparatus is provided which includes a timing controller, a plurality of source drivers, a first data path, and a second data path. The first data path and the second data path are both coupled between the timing controller and the source drivers. The timing controller transmits multiple display data to the source drivers via the first data path. When the source drivers detect an event (e.g. error event), the source drivers transmit at least one event data (e.g. notification data) to the timing controller via the second data path to notify the timing controller that event correction (e.g. error correction) is needed.

Abstract translation: 提供了一种面板显示装置，其包括定时控制器，多个源驱动器，第一数据路径和第二数据路径。 第一数据路径和第二数据路径都耦合在时序控制器和源驱动器之间。 定时控制器通过第一数据路径向源驱动器发送多个显示数据。 当源驱动器检测到事件（例如错误事件）时，源驱动器经由第二数据路径将至少一个事件数据（例如通知数据）发送到定时控制器，以通知定时控制器事件校正（例如纠错）为 需要的

公开(公告)号：US09299309B2

公开(公告)日：2016-03-29

申请号：US13957440

申请日：2013-08-02

Applicant: NOVATEK Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Chia-Wei Su ,  Po-Hsiang Fang ,  Shun-Hsun Yang ,  Hsin-Hung Lee

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2320/0673

Abstract: The present invention discloses an integrated source driver for a liquid crystal display device. The integrated source driver includes a reference voltage generating circuit, for providing a plurality of adjustable voltage ranges within a supply voltage and a ground level, and a reference voltage selecting circuit, including a plurality of digital to analog converters, for selecting and generating a plurality of internal reference voltages from the plurality of adjustable voltage ranges, respectively. The plurality of adjustable voltage ranges decrease progressively.

Abstract translation: 本发明公开了一种用于液晶显示装置的集成源极驱动器。 集成源极驱动器包括用于在电源电压和地电平内提供多个可调电压范围的参考电压产生电路，以及包括多个数模转换器的参考电压选择电路，用于选择和产生多个 分别来自多个可调电压范围的内部基准电压。 多个可调电压范围逐渐降低。

公开(公告)号：US20140294001A1

公开(公告)日：2014-10-02

申请号：US14301310

申请日：2014-06-10

Applicant: Novatek Microelectronics Corp.

Inventor： Chia-Wei Su ,  Chu-Ya Hsiao

IPC: H04L12/741

CPC classification number: H04L25/4908 ,  H04L25/0272 ,  H04L45/74

Abstract: A method for transporting data with embedded information is provided. The method is adapted to a data transmission interface for coding an original data and then transporting thereof, including: packing the original data, wherein every N bits form a packet, and N is an integer of at least 4; analyzing whether or not existing a long-run length of long-run data with consecutive same bit data in the packet, wherein when the long-run length is greater than a predetermined length, bit data with a predetermined bit length after an Lth bit of the long-run data is toggled; coding the packet to embed a coding information, wherein the coding information determines whether or not the long-run data has been toggled; and transporting the coded packet.

Abstract translation: 提供了一种用嵌入信息传输数据的方法。 该方法适用于数据传输接口，用于对原始数据进行编码，然后传输，包括：打包原始数据，其中每N位形成分组，N为至少4的整数; 分析是否存在具有连续相同位数据的长期数据的长期数据，其中当长行长度大于预定长度时，在第L位之后具有预定位长度的位数据 长期数据切换; 编码分组以嵌入编码信息，其中编码信息确定长时间数据是否已被切换; 并传送编码包。

公开(公告)号：US20140160104A1

公开(公告)日：2014-06-12

申请号：US13964120

申请日：2013-08-12

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Ying-Zu Lin ,  Chia-Wei Su ,  Shun-Hsun Yang ,  Chia-Hsun Kuo ,  Li-Tang Lin

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3685 ,  G09G2310/0248 ,  G09G2330/023 ,  G09G2340/16

Abstract: A display driving method and an associated driving circuit are provided, where the display driving method includes: checking relationships between two voltage levels respectively represented by two continuously received digital codes received by a specific digital code input terminal and a first predetermined threshold, and preferably further checking a relationship between at least one voltage level represented by at least one digital code of the two continuously received digital codes and a first predetermined zone, in order to determine whether to pre-charge a specific set of display cells within a plurality of sets of display cells, the specific set corresponding to the specific digital code input terminal; when it is determined to pre-charge the specific set of display cells, temporarily conducting a pre-charging voltage generator to the specific set of display cells to pre-charge the specific set of display cells.

Abstract translation: 提供一种显示驱动方法和相关联的驱动电路，其中显示驱动方法包括：检查分别由由特定数字码输入端接收的两个连续接收的数字码和第一预定阈值表示的两个电压电平之间的关系， 检查由两个连续接收的数字代码中的至少一个数字代码表示的至少一个电压电平与第一预定区域之间的关系，以便确定是否对多组集合中的特定的一组显示单元预充电 显示单元，具体设置对应于特定的数字代码输入端; 当确定为特定的显示单元组预充电时，暂时将特定的显示单元组预充电电压发生器进行预充电以对特定的显示单元组进行预充电。

公开(公告)号：US20140132587A1

公开(公告)日：2014-05-15

申请号：US13957440

申请日：2013-08-02

Applicant: NOVATEK Microelectronics Corp.

Inventor： Po-Yu Tseng ,  Chia-Wei Su ,  Po-Hsiang Fang ,  Shun-Hsun Yang ,  Hsin-Hung Lee

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2320/0673

Abstract: The present invention discloses an integrated source driver for a liquid crystal display device. The integrated source driver includes a reference voltage generating circuit, for providing a plurality of adjustable voltage ranges within a supply voltage and a ground level, and a reference voltage selecting circuit, including a plurality of digital to analog converters, for selecting and generating a plurality of internal reference voltages from the plurality of adjustable voltage ranges, respectively. The plurality of adjustable voltage ranges decrease progressively.

Abstract translation: 本发明公开了一种液晶显示装置的集成源极驱动器。 集成源极驱动器包括用于在电源电压和地电平内提供多个可调电压范围的参考电压产生电路，以及包括多个数模转换器的参考电压选择电路，用于选择和产生多个 分别来自多个可调电压范围的内部基准电压。 多个可调电压范围逐渐降低。

公开(公告)号：US20140111494A1

公开(公告)日：2014-04-24

申请号：US14048013

申请日：2013-10-07

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chia-Wei Su ,  Po-Yu Tseng ,  Shun-Hsun Yang ,  Po-Hsiang Fang

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G2310/0248 ,  G09G2330/023

Abstract: A self-detection charge sharing module for a liquid crystal display device is disclosed. The self-detection charge sharing module includes at least one detecting unit, for detecting a plurality of input voltages of a plurality of operational amplifiers driving a plurality of data line sand a plurality of output voltage of the plurality of data line, to generate at least one detecting result, and at least one charge sharing unit, for conducting connection between at least one first data line and at least one second data line among the plurality of data line when the at least one detecting result indicates at least one corresponding first input voltage and at least one corresponding second input voltage among the plurality of input voltage have opposite voltage variation direction and vary toward each other. The at least one first input voltage and the at least one second input voltage maintain respective polarities.

Abstract translation: 公开了一种用于液晶显示装置的自检电荷共享模块。 自检电荷共享模块包括至少一个检测单元，用于检测多个运算放大器的多个输入电压，该多个运算放大器驱动多条数据线砂多个数据线的多个输出电压，至少产生 一个检测结果和至少一个电荷共享单元，用于当所述至少一个检测结果指示至少一个对应的第一输入电压时，在所述多个数据线中的至少一个第一数据线和至少一个第二数据线之间进行连接 并且所述多个输入电压中的至少一个对应的第二输入电压具有相反的电压变化方向并且彼此变化。 所述至少一个第一输入电压和所述至少一个第二输入电压维持相应的极性。

公开(公告)号：US20140071106A1

公开(公告)日：2014-03-13

申请号：US13677314

申请日：2012-11-15

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Jr-Ching Lin ,  Hsin-Hung Lee ,  Chia-Wei Su ,  Po-Yu Tseng ,  Shun-Hsun Yang ,  Po-Hsiang Fang

IPC: G09G1/00

CPC classification number: G09G3/3696 ,  G09G1/005 ,  G09G3/3688 ,  G09G2320/0673

Abstract: A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data from the timing controller via a data bus, converts the first pixel data to a first drive voltage according to a first reference voltage group, and drives a display panel by the first drive voltage. The voltage controller receives a voltage command from the timing controller, generates and changes a first reference voltage configuration data according to the voltage command. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data to generate and adjust the first reference voltage group for applying to the first drive channel circuit. Furthermore, a method for updating a new gamma curve by the source driver is also provided.

Abstract translation: 源驱动器包括第一驱动通道电路，电压控制器和第一可编程电压缓冲器单元。 第一驱动通道电路经由数据总线从定时控制器接收第一像素数据，根据第一参考电压组将第一像素数据转换为第一驱动电压，并且通过第一驱动电压驱动显示面板。 电压控制器从定时控制器接收电压指令，根据电压指令产生并改变第一参考电压配置数据。 第一可编程电压缓冲器单元耦合到电压控制器和第一驱动通道电路，并且接收第一参考电压配置数据以产生和调整第一参考电压组以施加到第一驱动通道电路。 此外，还提供了用于由源驱动器更新新伽玛曲线的方法。

公开(公告)号：US20200350868A1

公开(公告)日：2020-11-05

申请号：US16929124

申请日：2020-07-15

Applicant: Novatek Microelectronics Corp.

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

IPC: H03F1/08 ,  H03F1/52 ,  H03F3/30 ,  H03F3/45

Abstract: An amplifier circuit including an input amplifier, an output amplifier and a diode device is provided. The output amplifier includes a PMOSFET and an NMOSFET. The PMOSFET has a gate electrode serving as a first input end and a drain coupled to an output end. The NMOSFET has a gate electrode serving as a second input end and a drain coupled to the output end. The output amplifier outputs an output voltage at the output end, and is coupled to the input amplifier via at least one of the first and second input ends. The diode device is coupled between the output end and the at least one of the first and second input ends of the output amplifier. When a voltage difference between the output end and the at least one of the first and second input ends 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.

公开(公告)号：US20190149100A1

公开(公告)日：2019-05-16

申请号：US16249911

申请日：2019-01-17

Applicant: Novatek Microelectronics Corp.

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

IPC: H03F1/08 ,  H03F1/52 ,  H03F3/30 ,  H03F3/45

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 including an input amplifier, an output amplifier and a diode device is provided. 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.