-
公开(公告)号:US20150364103A1
公开(公告)日:2015-12-17
申请号:US14821796
申请日:2015-08-10
Applicant: NOVATEK Microelectronics Corp.
Inventor: Xie-Ren Hsu , Wei-Song Huang
IPC: G09G3/36
CPC classification number: G09G3/3685 , G09G3/36 , G09G2290/00 , G09G2310/08 , G09G2320/0276 , G09G2320/066 , G09G2320/0673 , G09G2330/021
Abstract: The present invention discloses a gamma voltage generator of a display driving device. The gamma voltage generator comprises a first reference voltage generator; a switch coupled to the first reference voltage generator; and a plurality of resistors connected in serial and coupled to the switch; wherein the switch controls a connection between the first reference voltage generator and the plurality of resistors.
Abstract translation: 本发明公开了一种显示驱动装置的伽马电压发生器。 伽马电压发生器包括第一参考电压发生器; 耦合到所述第一参考电压发生器的开关; 以及串联连接并耦合到开关的多个电阻器; 其中所述开关控制所述第一参考电压发生器与所述多个电阻器之间的连接。
-
公开(公告)号:US20130328631A1
公开(公告)日:2013-12-12
申请号:US13970618
申请日:2013-08-20
Applicant: NOVATEK Microelectronics Corp.
Inventor: Xie-Ren Hsu , Chia-Hung Lin , Wei-Hsiang Hung
IPC: H03F3/45
CPC classification number: H03F3/45076 , H03F1/0261 , H03F3/45632 , H03F2203/45244 , H03F2203/45248
Abstract: An adaptive amplification circuit is provided, which includes an operational amplifier comprising a variable bias current source for providing a variable bias current for the operational amplifier, an equivalent circuit of the operational amplifier for receiving an input voltage and generating an output voltage according to the input voltage, and a bias control unit for generating a bias control signal to the variable bias current source according to the output voltage so as to adjust the variable bias current.
Abstract translation: 提供一种自适应放大电路,其包括运算放大器,其包括用于为运算放大器提供可变偏置电流的可变偏置电流源,用于接收输入电压并根据输入产生输出电压的运算放大器的等效电路 电压和偏置控制单元,用于根据输出电压向可变偏置电流源产生偏置控制信号,以便调整可变偏置电流。
-
公开(公告)号:US09118287B2
公开(公告)日:2015-08-25
申请号:US13970618
申请日:2013-08-20
Applicant: NOVATEK Microelectronics Corp.
Inventor: Xie-Ren Hsu , Chia-Hung Lin , Wei-Hsiang Hung
CPC classification number: H03F3/45076 , H03F1/0261 , H03F3/45632 , H03F2203/45244 , H03F2203/45248
Abstract: An adaptive amplification circuit is provided, which includes an operational amplifier comprising a variable bias current source for providing a variable bias current for the operational amplifier, an equivalent circuit of the operational amplifier for receiving an input voltage and generating an output voltage according to the input voltage, and a bias control unit for generating a bias control signal to the variable bias current source according to the output voltage so as to adjust the variable bias current.
Abstract translation: 提供一种自适应放大电路,其包括运算放大器,其包括用于为运算放大器提供可变偏置电流的可变偏置电流源,用于接收输入电压并根据输入产生输出电压的运算放大器的等效电路 电压和偏置控制单元,用于根据输出电压向可变偏置电流源产生偏置控制信号,以便调整可变偏置电流。
-
公开(公告)号:US09472156B2
公开(公告)日:2016-10-18
申请号:US14821796
申请日:2015-08-10
Applicant: NOVATEK Microelectronics Corp.
Inventor: Xie-Ren Hsu , Wei-Song Huang
CPC classification number: G09G3/3685 , G09G3/36 , G09G2290/00 , G09G2310/08 , G09G2320/0276 , G09G2320/066 , G09G2320/0673 , G09G2330/021
Abstract: The present invention discloses a gamma voltage generator of a display driving device. The gamma voltage generator comprises a first reference voltage generator; a switch coupled to the first reference voltage generator; and a plurality of resistors connected in serial and coupled to the switch; wherein the switch controls a connection between the first reference voltage generator and the plurality of resistors.
Abstract translation: 本发明公开了一种显示驱动装置的伽马电压发生器。 伽马电压发生器包括第一参考电压发生器; 耦合到所述第一参考电压发生器的开关; 以及串联连接并耦合到开关的多个电阻器; 其中所述开关控制所述第一参考电压发生器与所述多个电阻器之间的连接。
-
公开(公告)号:US20140285260A1
公开(公告)日:2014-09-25
申请号:US14295324
申请日:2014-06-03
Applicant: NOVATEK Microelectronics Corp.
Inventor: Xie-Ren Hsu , Ji-Ting Chen , Yao-Hung Kuo
Abstract: An output buffer circuit of a source driver includes an operational amplifier, having a first terminal as an output of the operational amplifier, and an output control unit, coupled between the output terminal of the operational amplifier and a second terminal for driving a load, to generate a variable impedance of a signal output path between the first terminal and the second terminal, wherein when the operational amplifier charges or discharges the second terminal to reach a predetermined level, the output control unit change a value of the variable impedance of the signal output path.
Abstract translation: 源极驱动器的输出缓冲器电路包括具有作为运算放大器的输出的第一端子的运算放大器和耦合在运算放大器的输出端和用于驱动负载的第二端子之间的输出控制单元, 产生第一端子和第二端子之间的信号输出路径的可变阻抗,其中当运算放大器对第二端子进行充电或放电以达到预定电平时,输出控制单元改变信号输出的可变阻抗值 路径。
-
-
-
-