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21.发明申请GATE DRIVER CIRCUIT, DISPLAY APPARATUS HAVING THE SAME, AND GATE DRIVING METHOD 有权门控驱动电路，具有相同的显示设备和门驱动方法公开(公告)号：US20160307529A1
公开(公告)日：2016-10-20
申请号：US14687931
申请日：2015-04-16
Applicant: Novatek Microelectronics Corp.
Inventor： Po-Yu Tseng , Chieh-An Lin , Po-Hsiang Fang , Jhih-Siou Cheng , Ju-Lin Huang , Yi-Chuan Liu
CPC classification number: G09G3/3648 , G09G3/3258 , G09G3/3677 , G09G2300/04 , G09G2310/0291 , G09G2310/067 , G09G2310/08 , G09G2320/0223 , G09G2320/0252 , G09G2330/02
Abstract: A gate driver, a display apparatus having the same, and a gate driving method are provided. The display apparatus includes a plurality of pixels, a data driver circuit, and a gate driver circuit. The gate driver circuit includes M groups of gate channels. Each of the M groups of gate channels includes a control circuit and an output buffer. The control circuit receives a power supply voltage from a power supply circuit and generates a modulated supply voltage. The output buffer is connected to the control circuit, the output buffer is powered by the modulated supply voltage to output a gate signal to a gate line of the display panel, wherein a driving pulse of the gate signal is shaped during a charge period according to the modulated supply voltage, and the shape of the driving pulse of the gate signal is maintained during a pre-charge period.
Abstract translation: 提供了栅极驱动器，具有该栅极驱动器的显示装置和栅极驱动方法。 显示装置包括多个像素，数据驱动电路和栅极驱动电路。 栅极驱动器电路包括M组栅极通道。 M组栅极通道中的每一个包括控制电路和输出缓冲器。 控制电路从电源电路接收电源电压并产生调制电源电压。 输出缓冲器连接到控制电路，输出缓冲器由调制电源电压供电，以将栅极信号输出到显示面板的栅极线，其中栅极信号的驱动脉冲在充电期间根据 调制电源电压和门信号的驱动脉冲的形状在预充电期间保持。
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公开(公告)号：US20140375620A1
公开(公告)日：2014-12-25
申请号：US14054853
申请日：2013-10-16
Applicant: Novatek Microelectronics Corp.
Inventor： Cheng-Hung Chen , Jen-Chieh Hu , Ju-Lin Huang , Yi-Chuan Liu , Jhih-Siou Cheng
IPC: G09G3/36
CPC classification number: G09G3/3685 , G09G3/20 , G09G2310/0275 , G09G2320/041 , G09G2330/045
Abstract: A display apparatus and a source driver thereof are disclosed. The source driver includes a temperature sensor and a power switch. The temperature sensor is configured to measure a first working temperature of the source driver, and generate an over-temperature protection enable signal by comparing the first working temperature with a preset temperature. The power switch is coupled to a power transmission path for a core circuit of the source driver to receive an operating power, and configured to turn on or cut off the power transmission path according to the over-temperature protection enable signal.
Abstract translation: 公开了一种显示装置及其源驱动器。 源驱动器包括温度传感器和电源开关。 温度传感器被配置为测量源极驱动器的第一工作温度，并且通过将第一工作温度与预设温度进行比较来产生过温保护使能信号。 电源开关耦合到用于源极驱动器的核心电路的电力传输路径以接收工作电力，并且被配置为根据过温度保护使能信号接通或切断电力传输路径。
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公开(公告)号：US12142245B2
公开(公告)日：2024-11-12
申请号：US17945082
申请日：2022-09-14
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
Abstract: A control system includes a plurality of driving circuits coupled in series, which include a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a first flag signal selector. The first transmitter is coupled to the first receiver, and the first flag signal selector is coupled between the first receiver and the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver, a second transmitter and a second flag signal selector. The second transmitter is coupled to the second receiver, and the second flag signal selector is coupled between the second receiver and the second transmitter.
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公开(公告)号：US11527195B2
公开(公告)日：2022-12-13
申请号：US17238179
申请日：2021-04-22
Applicant: NOVATEK Microelectronics Corp.
Inventor： Che-Wei Yeh , Keko-Chun Liang , Yu-Hsiang Wang , Yong-Ren Fang , Yi-Chuan Liu
Abstract: A display control system includes a plurality of driver circuits connected in series. A driver circuit among the plurality of driver circuits includes a receiver, a duty cycle correction circuit and a transmitter. The receiver is configured to receive a first signal from a previous driver circuit among the plurality of driver circuits. The duty cycle correction circuit, coupled to the receiver, is configured to adjust a duty cycle of the first signal to generate a second signal. The transmitter, coupled to the duty cycle correction circuit, is configured to transmit the second signal to a next driver circuit among the plurality of driver circuits.
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公开(公告)号：US20220254305A1
公开(公告)日：2022-08-11
申请号：US17721337
申请日：2022-04-14
Applicant: Novatek Microelectronics Corp.
Inventor： Che-Wei Yeh , Keko-Chun Liang , Yu-Hsiang Wang , Yong-Ren Fang , Yi-Chuan Liu
IPC: G09G3/32
Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
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Patent Agency Ranking
公开(公告)号：US11341904B2
公开(公告)日：2022-05-24
申请号：US17138772
申请日：2020-12-30
Applicant: Novatek Microelectronics Corp.
Inventor： Che-Wei Yeh , Keko-Chun Liang , Yu-Hsiang Wang , Yong-Ren Fang , Yi-Chuan Liu
IPC: G09G3/32
Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
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公开(公告)号：US20210118359A1
公开(公告)日：2021-04-22
申请号：US17138772
申请日：2020-12-30
Applicant: Novatek Microelectronics Corp.
Inventor： Che-Wei Yeh , Keko-Chun Liang , Yu-Hsiang Wang , Yong-Ren Fang , Yi-Chuan Liu
IPC: G09G3/32
Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
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公开(公告)号：US20210049952A1
公开(公告)日：2021-02-18
申请号：US16841686
申请日：2020-04-07
Applicant: Novatek Microelectronics Corp.
Inventor： Che-Wei Yeh , Keko-Chun Liang , Yu-Hsiang Wang , Yong-Ren Fang , Yi-Chuan Liu
IPC: G09G3/32
Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original display data signal and outputs a first display data signal, the Nth stage LED driver receives a (N−1)th display data signal and outputs a Nth display data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to a first phase difference between the (N−1)th display data signal and the recovery clock signal; and a first transmitter outputting the Nth display data signal according to the recovery clock signal and the recovery data signal.
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公开(公告)号：US09875707B2
公开(公告)日：2018-01-23
申请号：US14708303
申请日：2015-05-11
Applicant: Novatek Microelectronics Corp.
Inventor： Jhih-Siou Cheng , Po-Hsiang Fang , Po-Yu Tseng , Chieh-An Lin , Ju-Lin Huang , Yi-Chuan Liu
IPC: G09G3/36
CPC classification number: G09G3/3674 , G09G3/3648 , G09G2310/0213 , G09G2310/067 , G09G2320/041 , G09G2330/025
Abstract: A display apparatus and a gate driving method thereof are provided. The display apparatus includes a display panel and a gate driver. The display panel has a plurality of gate lines. Output terminals of the gate driver are coupled to the gate lines in a one-to-one manner. The gate driver is configured to drive the gate lines according to a scrambled scan sequence.
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公开(公告)号：US09875700B2
公开(公告)日：2018-01-23
申请号：US14242859
申请日：2014-04-01
Applicant: NOVATEK Microelectronics Corp.
Inventor： Yueh-Hsun Tsai , Yi-Chuan Liu , Yueh-Hsiu Liu
IPC: G09G3/36
CPC classification number: G09G3/3614 , G09G3/3688 , G09G2310/027 , G09G2310/0297
Abstract: A source driver utilized for a display device and switching between two operational modes includes a reception module for receiving a plurality of display information and a plurality of transmission channels. Each transmission channel includes a register module for receiving one of the plurality of display information; a voltage level transformer for determining a voltage level of the one of display information; a polarization digital-to-analog converter for processing a digital-to-analog operation for the voltage level of the one display information; and an output module for outputting a plurality of voltage levels of the display information. The voltage levels of every two adjacent transmission channels include different polarization of voltage levels, and the output module processes an odd-number switching operation before outputting the plurality of voltage levels.
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