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1.发明授权Power management circuit and gate pulse modulation circuit thereof capable of increasing power conversion efficiency 有权电力管理电路及其门脉冲调制电路能够提高电力转换效率公开(公告)号：US09153191B2
公开(公告)日：2015-10-06
申请号：US13369302
申请日：2012-02-09
申请人： Zhen-Guo Ding , Wen-Hsin Cheng
发明人： Zhen-Guo Ding , Wen-Hsin Cheng
IPC分类号： G09G3/36
CPC分类号： G09G3/3677 , G09G2320/0247 , G09G2330/021
摘要： A power management circuit for a liquid crystal display device is disclosed. The power management circuit includes one or more power generating circuits, for receiving one or more input voltages and generating one or more output voltages, respectively; a gate pulse modulation circuit, coupled between a gate high-level voltage source and a discharging control terminal, for generating a gate control signal; and a discharging controller, coupled to the discharging control terminal, for providing a discharging path for the gate pulse modulation circuit, wherein one of the gate pulse modulation circuit and the discharging controller is further coupled to a power supply such that the gate pulse modulation circuit discharges to the power supply during a gate discharging period, and the power supply is one of the one or more input voltages and the one or more output voltages.
摘要翻译： 公开了一种液晶显示装置的电源管理电路。 功率管理电路包括一个或多个功率产生电路，用于分别接收一个或多个输入电压并产生一个或多个输出电压; 栅极脉冲调制电路，耦合在栅极高电平电压源和放电控制端之间，用于产生栅极控制信号; 以及放电控制器，耦合到放电控制端子，用于为栅极脉冲调制电路提供放电路径，其中栅极脉冲调制电路和放电控制器中的一个进一步耦合到电源，使得门脉冲调制电路 在栅极放电期间向电源放电，并且电源是一个或多个输入电压和一个或多个输出电压之一。
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公开(公告)号：US08994277B2
公开(公告)日：2015-03-31
申请号：US13293860
申请日：2011-11-10
CPC分类号： H05B33/0806 , H05B33/0818 , H05B33/0845
摘要： A light-emitting diode (LED) driving circuit includes an LED control circuit and a power stage circuit. The LED control circuit shifts an input pulse width modulation (PWM) signal toward a higher frequency direction in a frequency domain to generate an output PWM signal having a duty cycle substantially the same as a duty cycle of the input PWM signal. The power stage circuit outputs an LED driving current according to the output PWM signal.
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公开(公告)号：US20130049612A1
公开(公告)日：2013-02-28
申请号：US13293860
申请日：2011-11-10
IPC分类号： H05B37/02
CPC分类号： H05B33/0806 , H05B33/0818 , H05B33/0845
摘要： A light-emitting diode (LED) driving circuit includes an LED control circuit and a power stage circuit. The LED control circuit shifts an input pulse width modulation (PWM) signal toward a higher frequency direction in a frequency domain to generate an output PWM signal having a duty cycle substantially the same as a duty cycle of the input PWM signal. The power stage circuit outputs an LED driving current according to the output PWM signal.
摘要翻译： 发光二极管（LED）驱动电路包括LED控制电路和功率级电路。 LED控制电路在频域中将输入脉宽调制（PWM）信号向较高频率方向移位，以产生具有与输入PWM信号的占空比基本相同的占空比的输出PWM信号。 功率级电路根据输出PWM信号输出LED驱动电流。
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公开(公告)号：US5801653A
公开(公告)日：1998-09-01
申请号：US728561
申请日：1996-10-10
申请人： Ding-Jeng Liu , Ying-Tzung Wang , Wen-Hsin Cheng
发明人： Ding-Jeng Liu , Ying-Tzung Wang , Wen-Hsin Cheng
IPC分类号： H03M1/66
CPC分类号： H03M1/0863 , H03M1/742
摘要： A current cell for converting a digital signal to an analog current signal is disclosed. The current cell includes a first PMOS transistor which receives the digital signal from a pre-stage processor by the gate. A drain of the first PMOS transistor is grounded. A second PMOS transistor has a source which is connected to the source of the first PMOS transistor, a gate which receives an inverse signal of the digital signal from the pre-stage processor, and a drain for providing the analog current signal. A third PMOS transistor is connected between a voltage source and the source of the first PMOS transistor. The third PMOS transistor has a gate to which a first reference voltage is applied.
摘要翻译： 公开了一种用于将数字信号转换为模拟电流信号的电流单元。 当前单元包括第一PMOS晶体管，其通过门接收来自前级处理器的数字信号。 第一PMOS晶体管的漏极接地。 第二PMOS晶体管具有连接到第一PMOS晶体管的源极的源极，接收来自前级处理器的数字信号的反相信号的栅极和用于提供模拟电流信号的漏极。 第三PMOS晶体管连接在电压源和第一PMOS晶体管的源极之间。 第三PMOS晶体管具有施加第一参考电压的栅极。
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5.发明授权Method for reducing resonance energy of an LCD panel and related LCD device 有权降低LCD面板和相关LCD装置的共振能量的方法公开(公告)号：US08373635B2
公开(公告)日：2013-02-12
申请号：US12563167
申请日：2009-09-21
IPC分类号： G09G3/36
CPC分类号： G09G3/3655 , G09G2330/025 , G09G2330/06
摘要： A method for reducing resonance energy of an LCD panel includes providing a plurality of driving signal patterns, each defining a non-overlap area width of a synchronization signal and a scan-line charging frequency, and determining an order of the plurality of driving signal patterns to modulate driving signals of the LCD panel accordingly.
摘要翻译： 一种用于降低LCD面板的共振能量的方法包括提供多个驱动信号图案，每个驱动信号图案限定同步信号和扫描线充电频率的非重叠区域宽度，并且确定多个驱动信号模式的顺序 以相应地调制LCD面板的驱动信号。
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公开(公告)号：US20130113776A1
公开(公告)日：2013-05-09
申请号：US13369302
申请日：2012-02-09
申请人： Zhen-Guo Ding , Wen-Hsin Cheng
发明人： Zhen-Guo Ding , Wen-Hsin Cheng
CPC分类号： G09G3/3677 , G09G2320/0247 , G09G2330/021
摘要： A power management circuit for a liquid crystal display device is disclosed. The power management circuit includes one or more power generating circuits, for receiving one or more input voltages and generating one or more output voltages, respectively; a gate pulse modulation circuit, coupled between a gate high-level voltage source and a discharging control terminal, for generating a gate control signal; and a discharging controller, coupled to the discharging control terminal, for providing a discharging path for the gate pulse modulation circuit, wherein one of the gate pulse modulation circuit and the discharging controller is further coupled to a power supply such that the gate pulse modulation circuit discharges to the power supply during a gate discharging period, and the power supply is one of the one or more input voltages and the one or more output voltages.
摘要翻译： 公开了一种液晶显示装置的电源管理电路。 功率管理电路包括一个或多个功率产生电路，用于分别接收一个或多个输入电压并产生一个或多个输出电压; 栅极脉冲调制电路，耦合在栅极高电平电压源和放电控制端之间，用于产生栅极控制信号; 以及放电控制器，耦合到放电控制端子，用于为栅极脉冲调制电路提供放电路径，其中栅极脉冲调制电路和放电控制器中的一个进一步耦合到电源，使得门脉冲调制电路 在栅极放电期间向电源放电，并且电源是一个或多个输入电压和一个或多个输出电压之一。
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7.发明申请Method for Reducing Resonance Energy of an LCD panel and Related LCD Device 有权降低LCD面板和相关LCD设备的共振能量的方法公开(公告)号：US20100271294A1
公开(公告)日：2010-10-28
申请号：US12563167
申请日：2009-09-21
IPC分类号： G09G3/36
CPC分类号： G09G3/3655 , G09G2330/025 , G09G2330/06
摘要： A method for reducing resonance energy of an LCD panel includes providing a plurality of driving signal patterns, each defining a non-overlap area width of a synchronization signal and a scan-line charging frequency, and determining an order of the plurality of driving signal patterns to modulate driving signals of the LCD panel accordingly.
摘要翻译： 一种用于降低LCD面板的共振能量的方法包括提供多个驱动信号图案，每个驱动信号图案限定同步信号和扫描线充电频率的非重叠区域宽度，并且确定多个驱动信号模式的顺序 以相应地调制LCD面板的驱动信号。
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公开(公告)号：US20110242031A1
公开(公告)日：2011-10-06
申请号：US13076454
申请日：2011-03-31
申请人： Wen-Hsin Cheng , Feng-Jung Kuo , Chiu-Huang Huang , Wen-Hao Yu
发明人： Wen-Hsin Cheng , Feng-Jung Kuo , Chiu-Huang Huang , Wen-Hao Yu
IPC分类号： G06F3/041
CPC分类号： G06F3/0412 , G06F3/0416 , G06F3/044 , G06F3/045
摘要： A display device with a touch function is provided. The display device includes a display panel and a touch panel. The display panel has a plurality of image scan lines, and the image scan lines are respectively activated by a plurality of scan signals generated by a gate driver according to a time sequence. The touch panel has a plurality of touch scan lines and a plurality of touch sensing lines, wherein the touch scan lines and the touch sensing lines are disposed crossing each other for sensing a touched position. The gate driver also provides a plurality of touch scan signals to the touch scan lines according to a time sequence.
摘要翻译： 提供具有触摸功能的显示装置。 显示装置包括显示面板和触摸面板。 显示面板具有多个图像扫描线，并且图像扫描线分别由栅极驱动器根据时间序列生成的多个扫描信号激活。 触摸面板具有多个触摸扫描线和多个触摸感测线，其中触摸扫描线和触摸感测线彼此交叉设置以感测触摸位置。 栅极驱动器还根据时间顺序向触摸扫描线提供多个触摸扫描信号。
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