公开(公告)号：US08947408B2

公开(公告)日：2015-02-03

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: G06F3/038 ,  G09G1/00 ,  G09G3/36

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：US20140241459A1

公开(公告)日：2014-08-28

申请号：US13972927

申请日：2013-08-22

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Hsiang Fang ,  Shun-Hsun Yang ,  Han-Ying Chang

IPC: H04L1/00

CPC classification number: H04L7/043 ,  H04L7/041 ,  H04L7/044

Abstract: A clock-embedded data generating apparatus and transmission method are disclosed. The steps of the transmission method include: generating a plurality of preamble signals according to a number sequence, where each of the preamble signals has a plurality of bits. The number sequence includes a plurality of values, and the bits of each of the preamble signals are decided by each of the corresponding values; transmitting the preamble signals during a plurality of preamble signal transmitting periods respectively, and transmitting a plurality of data signal during a plurality of data signal transmitting periods respectively.

Abstract translation: 公开了一种时钟嵌入式数据产生装置和传输方法。 发送方法的步骤包括：根据数字序列生成多个前导信号，其中每个前导信号具有多个比特。 数字序列包括多个值，并且每个前导信号的比特由每个对应的值确定; 在多个前导信号发送期间分别发送前导码信号，在多个数据信号发送期间分别发送多个数据信号。

公开(公告)号：US20130266030A1

公开(公告)日：2013-10-10

申请号：US13684576

申请日：2012-11-26

Applicant: NOVATEK MICROELECTRONICS CORP.

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

IPC: H04J3/00

CPC classification number: H04J3/00 ,  H04J3/0658

Abstract: A data transmission device includes a data division unit for receiving an original transmission data and dividing the original transmission data into a plurality of division data; a data generation unit for generating a plurality of packet data according to the plurality of division data and a plurality of clock data, wherein each of the clock data is a multi-bit data; and a data output unit for outputting the plurality of packet data to a data reception device; where each of the packet data includes a division data and a clock data, each of the packet data corresponds to a packet data period, and the division data corresponds to a division data period of the packet data period and the clock data corresponds to a clock period of the packet data period.

Abstract translation: 数据传输装置包括：数据分割单元，用于接收原始发送数据，并将原始发送数据划分成多个分割数据; 数据生成单元，用于根据多个分割数据生成多个分组数据和多个时钟数据，其中每个时钟数据是多位数据; 以及数据输出单元，用于将数据分组数据输出到数据接收装置; 其中每个分组数据包括分割数据和时钟数据，每个分组数据对应于分组数据周期，并且分割数据对应于分组数据周期的分割数据周期，并且时钟数据对应于时钟 分组数据周期。

公开(公告)号：US11854471B2

公开(公告)日：2023-12-26

申请号：US18075179

申请日：2022-12-05

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Hsu-Chih Wei ,  Po-Hsiang Fang ,  Keko-Chun Liang ,  Che-Wei Yeh ,  Ju-Lin Huang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2330/023 ,  G09G2370/00

Abstract: The present disclosure provides a method for a display driver system and a display driver system. The method comprises: the control circuit transmitting a global signal and a first signal for a LED driver circuit in each stage to a first-stage LED driver circuit, wherein the global signal includes an command for indicating an operation mode of the LED driver circuit in each stage; the LED driver circuit in each stage determining the operation mode corresponding to the command according to the global signal, identifying a corresponding first signal of the LED driver circuit in the stage, and operating according to the determined operation mode and the corresponding first signal; and the LED driver circuit in each stage except for last stage transmitting the global signal to the LED driver circuit in its next stage, and in response to a completion of operation according to the determined operation mode and the corresponding first signal, transmitting the first signal for the LED driver circuit in each of sequential stages to the LED driver circuit in its next stage.

公开(公告)号：US11651729B2

公开(公告)日：2023-05-16

申请号：US17881404

申请日：2022-08-04

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Jhih-Siou Cheng ,  Chun-Fu Lin ,  Po-Hsiang Fang ,  Ju-Lin Huang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/064

Abstract: The present disclosure relates to a driving method for a display device and a display device. The display device includes a display driver, the display driver includes a plurality of driving channels each of which drives corresponding display unit according to display data in a pulse width modulation manner within one frame period, the method comprises: selectively enabling, in each sub-frame subset among a plurality of different sub-frame subsets of the frame period, different channel subset among a plurality of channel subsets of the plurality of driving channels to drive corresponding display unit, wherein each channel subset of the plurality of channel subsets includes two or more driving channels among the plurality of driving channels.

公开(公告)号：US11482293B2

公开(公告)日：2022-10-25

申请号：US17363020

申请日：2021-06-30

Applicant: NOVATEK Microelectronics Corp.

Inventor： Che-Wei Yeh ,  Keko-Chun Liang ,  Yu-Hsiang Wang ,  Yong-Ren Fang ,  Yi-Chuan Liu ,  Yi-Yang Tsai ,  Po-Hsiang Fang

IPC: G11C19/28 ,  G09G3/20

Abstract: A control system includes a plurality of driving circuits coupled in series, which includes a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a replica receiver. The first transmitter is coupled to the first receiver, and the replica receiver is coupled to an output terminal of the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver and a second transmitter. The second receiver is coupled to the first transmitter, and the second transmitter is coupled to the second receiver.

公开(公告)号：US11423831B2

公开(公告)日：2022-08-23

申请号：US17390394

申请日：2021-07-30

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Jhih-Siou Cheng ,  Chun-Fu Lin ,  Po-Hsiang Fang ,  Ju-Lin Huang

IPC: G09G3/32

Abstract: The present disclosure relates to a driving method for a display device and a display device. The display device includes a display driver, the display driver includes a plurality of driving channels each of which drives corresponding display unit according to display data in a pulse width modulation manner within one frame period, the method comprises: selectively enabling, in each sub-frame subset among a plurality of different sub-frame subsets of the frame period, different channel subset among a plurality of channel subsets of the plurality of driving channels to drive corresponding display unit, wherein each channel subset of the plurality of channel subsets includes two or more driving channels among the plurality of driving channels.

公开(公告)号：US11288989B2

公开(公告)日：2022-03-29

申请号：US16867483

申请日：2020-05-05

Applicant: Novatek Microelectronics Corp.

Inventor： Yi-Yang Tsai ,  Po-Hsiang Fang ,  Jhih-Siou Cheng ,  Ju-Lin Huang

IPC: G09G3/00 ,  G09G3/3291

Abstract: A source driver and a calibration method thereof are provided. The source driver for driving and sensing a display panel of the disclosure includes a sensing circuit, an analog-to-digital converter circuit and a digital arithmetic circuit. The sensing circuit is configured to receive a reference signal through a sensing channel when the source driver is operated in a calibration mode. The analog-to-digital converter circuit is coupled to the sensing circuit, and configured to convert the reference signal to a digital reference signal. The digital arithmetic circuit is coupled to the analog-to-digital converter circuit, and configured to obtain a calibration parameter according to the digital reference signal. The source driver calibrates a sensing path for sensing a display panel according to the calibration parameter when the source driver is operated in a sensing mode.

公开(公告)号：US20220093037A1

公开(公告)日：2022-03-24

申请号：US17390394

申请日：2021-07-30

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Jhih-Siou Cheng ,  Chun-Fu Lin ,  Po-Hsiang Fang ,  Ju-Lin Huang

IPC: G09G3/32

Abstract: The present disclosure relates to a driving method for a display device and a display device. The display device includes a display driver, the display driver includes a plurality of driving channels each of which drives corresponding display unit according to display data in a pulse width modulation manner within one frame period, the method comprises: selectively enabling, in each sub-frame subset among a plurality of different sub-frame subsets of the frame period, different channel subset among a plurality of channel subsets of the plurality of driving channels to drive corresponding display unit, wherein each channel subset of the plurality of channel subsets includes two or more driving channels among the plurality of driving channels.

公开(公告)号：US11074851B2

公开(公告)日：2021-07-27

申请号：US16937598

申请日：2020-07-24

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Hsiang Fang ,  Tzong-Honge Shieh

IPC: G09G3/20

Abstract: A driving apparatus capable of driving a display panel is provided. The driving apparatus can include a multiplexer and an output circuit. The multiplexer may include at least one first input terminal configured to receive information data in a first mode, at least one second input terminal configured to receive display data in a second mode, and at least one output terminal coupled to at least one input terminal of the output circuit. The output circuit can be configured to convert digital data into an analog voltage and output the analog voltage via at least one output terminal of the output circuit. The output circuit can be configured to convert the information data in the first mode and convert the display data into at least one driving voltage for driving at least one data line of the display panel in the second mode. The information data cannot be used for driving the display panel to present an image.