DRIVING CIRCUIT AND METHOD OF BACKLIGHT MODULE
    11.
    发明申请
    DRIVING CIRCUIT AND METHOD OF BACKLIGHT MODULE 有权
    驱动电路和背光模块的方法

    公开(公告)号:US20090322243A1

    公开(公告)日:2009-12-31

    申请号:US12424535

    申请日:2009-04-15

    IPC分类号: H05B41/16

    CPC分类号: H05B41/2828 H05B41/295

    摘要: A driving circuit includes a signal generator, a resonant circuit, a control circuit and an adjusting circuit. The signal generator is utilized for generating an alternating current (AC) signal having a fixed frequency. The resonant circuit is coupled to the signal generator, and is utilized for generating an oscillation signal to drive a backlight source according to the alternating current signal. The control circuit is utilized for providing a control signal. The adjusting circuit is coupled to the control circuit, the resonant circuit and the backlight source, and is utilized for providing an impedance according to the control signal to thereby adjust a current value of the backlight source.

    摘要翻译: 驱动电路包括信号发生器,谐振电路,控制电路和调整电路。 信号发生器用于产生具有固定频率的交流(AC)信号。 谐振电路耦合到信号发生器,并用于根据交流信号产生振荡信号以驱动背光源。 控制电路用于提供控制信号。 调节电路耦合到控制电路,谐振电路和背光源,并用于根据控制信号提供阻抗,从而调节背光源的电流值。

    Light Source Driving Module and Circuit
    12.
    发明申请
    Light Source Driving Module and Circuit 有权
    光源驱动模块和电路

    公开(公告)号:US20090212716A1

    公开(公告)日:2009-08-27

    申请号:US12188202

    申请日:2008-08-07

    IPC分类号: H05B41/36

    CPC分类号: H05B33/0812 Y02B20/345

    摘要: A light source driving circuit includes a voltage signal source and a temperature-improving current source for adjusting luminance of a series of LEDs. A first end of the series of LEDs is electrically connected to a ground end. The temperature-improving current source includes an adjustable power supply for outputting an adjustable voltage, a voltage-controlled current source for outputting currents according to the voltage signal source, and a feedback circuit electrically connected between a second end of the series of the LEDs and the adjustable power supply for controlling the output voltage of the adjustable power supply according to the voltage on the second end of the series of LEDs.

    摘要翻译: 光源驱动电路包括电压信号源和用于调节一系列LED的亮度的温度改善电流源。 一系列LED的第一端电连接到地端。 温度改善电流源包括用于输出可调电压的可调节电源,用于根据电压信号源输出电流的压控电流源,以及电连接在一系列LED的第二端和 所述可调电源用于根据所述一系列LED的第二端上的电压来控制所述可调电源的输出电压。

    Display capable of improving frame quality and method thereof
    13.
    发明授权
    Display capable of improving frame quality and method thereof 有权
    能够提高帧质量的显示器及其方法

    公开(公告)号:US08730222B2

    公开(公告)日:2014-05-20

    申请号:US13342211

    申请日:2012-01-03

    IPC分类号: G06F3/038 G09G5/00

    摘要: A display capable of improving frame quality includes a display panel, a timing controller, and a source driver. The timing controller is used for generating a scan start signal, and generating at least one control signal in a blanking time of the display panel according to polarity of a last datum before the blanking time and polarity of a first datum after the blanking time. The source driver is used for generating at least one datum synchronized with the at least one control signal according to the polarity of the last datum before the blanking time, a voltage of the first datum after the blanking time and the at least one control signal. The source driver does not change a last datum of the at least one datum after the at least one control signal in the blanking time.

    摘要翻译: 能够提高帧质量的显示器包括显示面板,定时控制器和源驱动器。 定时控制器用于产生扫描开始信号,并且根据消隐时间之前的最后数据的极性和消隐时间之后的第一数据的极性,在显示面板的消隐时间中产生至少一个控制信号。 源驱动器用于根据消隐时间之前的最后数据的极性,消隐时间之后的第一数据的电压和至少一个控制信号,产生与至少一个控制信号同步的至少一个数据。 在消隐时间中,源驱动器不改变至少一个控制信号之后的至少一个数据的最后数据。

    DISPLAY CAPABLE OF IMPROVING FRAME QUALITY AND METHOD THEREOF
    14.
    发明申请
    DISPLAY CAPABLE OF IMPROVING FRAME QUALITY AND METHOD THEREOF 有权
    可改善框架质量的显示器及其方法

    公开(公告)号:US20130113769A1

    公开(公告)日:2013-05-09

    申请号:US13342211

    申请日:2012-01-03

    IPC分类号: G09G5/00

    摘要: A display capable of improving frame quality includes a display panel, a timing controller, and a source driver. The timing controller is used for generating a scan start signal, and generating at least one control signal in a blanking time of the display panel according to polarity of a last datum before the blanking time and polarity of a first datum after the blanking time. The source driver is used for generating at least one datum synchronized with the at least one control signal according to the polarity of the last datum before the blanking time, a voltage of the first datum after the blanking time and the at least one control signal. The source driver does not change a last datum of the at least one datum after the at least one control signal in the blanking time.

    摘要翻译: 能够提高帧质量的显示器包括显示面板,定时控制器和源驱动器。 定时控制器用于产生扫描开始信号,并且根据消隐时间之前的最后数据的极性和消隐时间之后的第一数据的极性,在显示面板的消隐时间中产生至少一个控制信号。 源驱动器用于根据消隐时间之前的最后数据的极性,消隐时间之后的第一数据的电压和至少一个控制信号,产生与至少一个控制信号同步的至少一个数据。 在消隐时间中,源驱动器不改变至少一个控制信号之后的至少一个数据的最后数据。

    DRIVING CIRCUIT FOR DRIVING LIGHT EMITTING DIODES AND DIMMER
    15.
    发明申请
    DRIVING CIRCUIT FOR DRIVING LIGHT EMITTING DIODES AND DIMMER 有权
    用于驱动发光二极管和调光器的驱动电路

    公开(公告)号:US20120019154A1

    公开(公告)日:2012-01-26

    申请号:US12880161

    申请日:2010-09-13

    IPC分类号: H05B37/02 H05B41/16

    CPC分类号: H05B33/0818 H05B33/0848

    摘要: A power supply unit provides a voltage, and a driving current to a series of light emitting diodes. A dimming unit adjusts a duty cycle of an original dimming signal to generate a dimming signal according to the driving current and an ideal current. A current sink coupled to the series of light emitting diodes adjusts a duty cycle of the driving current according to the dimming signal.

    摘要翻译: 电源单元向一系列发光二极管提供电压和驱动电流。 调光单元调节原始调光信号的占空比,根据驱动电流和理想电流产生调光信号。 耦合到一系列发光二极管的电流吸收器根据调光信号来调节驱动电流的占空比。

    LIGHT EMITTING DEVICE CONTROL CIRCUIT WITH DIMMING FUNCTION AND CONTROL METHOD THEREOF
    16.
    发明申请
    LIGHT EMITTING DEVICE CONTROL CIRCUIT WITH DIMMING FUNCTION AND CONTROL METHOD THEREOF 有权
    具有调光功能的发光装置控制电路及其控制方法

    公开(公告)号:US20150173153A1

    公开(公告)日:2015-06-18

    申请号:US14559927

    申请日:2014-12-04

    IPC分类号: H05B37/02 H05B33/08

    CPC分类号: H05B33/0845 H05B33/0815

    摘要: The present invention discloses a light emitting device control circuit with dimming function and a control method thereof. The light emitting device control circuit includes: a dimmer circuit, a rectifier and filter circuit, a power converter circuit, and a headroom voltage regulation circuit. The dimmer circuit generates an AC dimming voltage according to an AC voltage. The rectifier and filter circuit generates an input voltage according to the AC dimming voltage. The power converter circuit operates according to a control signal to convert the input voltage to an output voltage which is supplied to a light emitting device circuit. The headroom voltage regulation circuit generates the control signal according to a reference value and a difference between the input voltage and the output voltage, and regulates the difference at a level corresponding to the reference value by a feedback control loop.

    摘要翻译: 本发明公开了一种具有调光功能的发光装置控制电路及其控制方法。 发光器件控制电路包括:调光器电路,整流器和滤波器电路,功率转换器电路和裕量调节电路。 调光电路根据交流电压产生交流调光电压。 整流器和滤波电路根据交流调光电压产生输入电压。 功率转换器电路根据控制信号进行工作,将输入电压转换为提供给发光器件电路的输出电压。 余量调压电路根据参考值和输入电压与输出电压之间的差产生控制信号,并通过反馈控制回路将该差值调节到与参考值相对应的电平。

    Anti-electron reflector arrangement
    17.
    发明授权
    Anti-electron reflector arrangement 有权
    反电子反射器布置

    公开(公告)号:US06730922B2

    公开(公告)日:2004-05-04

    申请号:US10237899

    申请日:2002-09-10

    IPC分类号: H01J3708

    摘要: An electron anti-reflection arrangement includes a substrate, an electron resistant layer formed on a top side of the substrate, and an electron anti-reflective layer provided in between the substrate and the electron resistant layer for enabling an electron beam to pass to the inside of the substrate in an incident direction and minimizing the amount of electrons of the electron beam that return to the electron resistant layer after reflection by the substrate.

    摘要翻译: 电子抗反射装置包括基板,形成在基板的上侧的电子阻挡层和设置在基板和电子阻挡层之间的电子抗反射层,用于使电子束能够通向内部 并且使由基板反射回到电子阻挡层的电子束的电子量最小化。

    Light emitting device control circuit with dimming function and control method thereof
    18.
    发明授权
    Light emitting device control circuit with dimming function and control method thereof 有权
    具有调光功能的发光装置控制电路及其控制方法

    公开(公告)号:US09247601B2

    公开(公告)日:2016-01-26

    申请号:US14559927

    申请日:2014-12-04

    IPC分类号: H05B37/02 H05B33/08

    CPC分类号: H05B33/0845 H05B33/0815

    摘要: The present invention discloses a light emitting device control circuit with dimming function and a control method thereof. The light emitting device control circuit includes: a dimmer circuit, a rectifier and filter circuit, a power converter circuit, and a headroom voltage regulation circuit. The dimmer circuit generates an AC dimming voltage according to an AC voltage. The rectifier and filter circuit generates an input voltage according to the AC dimming voltage. The power converter circuit operates according to a control signal to convert the input voltage to an output voltage which is supplied to a light emitting device circuit. The headroom voltage regulation circuit generates the control signal according to a reference value and a difference between the input voltage and the output voltage, and regulates the difference at a level corresponding to the reference value by a feedback control loop.

    摘要翻译: 本发明公开了一种具有调光功能的发光装置控制电路及其控制方法。 发光器件控制电路包括:调光器电路,整流器和滤波器电路,功率转换器电路和裕量调节电路。 调光电路根据交流电压产生交流调光电压。 整流器和滤波电路根据交流调光电压产生输入电压。 功率转换器电路根据控制信号进行工作,将输入电压转换为提供给发光器件电路的输出电压。 余量调压电路根据参考值和输入电压与输出电压之间的差产生控制信号,并通过反馈控制回路将该差值调整到与参考值相对应的电平。

    Light emitting device power supply circuit with dimming function and control circuit thereof
    19.
    发明授权
    Light emitting device power supply circuit with dimming function and control circuit thereof 有权
    具有调光功能的发光装置电源电路及其控制电路

    公开(公告)号:US09119254B2

    公开(公告)日:2015-08-25

    申请号:US14567825

    申请日:2014-12-11

    IPC分类号: H05B33/08

    摘要: The present invention provides a light emitting device power supply circuit with dimming function and a control circuit thereof. The light emitting device power supply circuit includes: a phase-cut dimming circuit, a rectifier circuit, a transformer circuit, and a control circuit. The transformer circuit includes an auxiliary winding, which is coupled to a primary winding, for generating a bleeder current to keep a conduction current higher than a holding current and prevent the phase-cut dimming circuit from turning OFF when the phase-cut dimming circuit operates in conductive phase. The control circuit includes a waveform analysis circuit, a bleeder current control circuit, and a bleeder current source. The bleeder current source includes a linear regulator or a variable current source. The bleeder current source controls the bleeder current so that the bleeder current is generated in a continuous and non-switching manner within the conductive phase.

    摘要翻译: 本发明提供一种具有调光功能的发光装置电源电路及其控制电路。 发光器件电源电路包括:相位调光电路,整流电路,变压器电路和控制电路。 变压器电路包括耦合到初级绕组的辅助绕组,用于产生放电电流以保持导通电流高于保持电流,并且当相切割调光电路工作时防止相位调光电路断开 导电相。 控制电路包括波形分析电路,泄放电流控制电路和泄放电流源。 泄放电流源包括线性调节器或可变电流源。 泄放电流源控制泄放电流,使得泄放电流在导电阶段内以连续和非切换的方式产生。

    METHOD OF DIMMING
    20.
    发明申请
    METHOD OF DIMMING 有权
    调试方法

    公开(公告)号:US20120019155A1

    公开(公告)日:2012-01-26

    申请号:US12880172

    申请日:2010-09-13

    IPC分类号: H05B37/02

    CPC分类号: H05B33/0818 H05B33/0848

    摘要: A power supply unit provides a voltage, and a driving current to a series of light emitting diodes. A dimming unit adjusts a duty cycle of an original dimming signal to generate a dimming signal according to the driving current and an ideal current. A current sink coupled to the series of light emitting diodes adjusts a duty cycle of the driving current according to the dimming signal.

    摘要翻译: 电源单元向一系列发光二极管提供电压和驱动电流。 调光单元调整原始调光信号的占空比,根据驱动电流和理想电流产生调光信号。 耦合到一系列发光二极管的电流吸收器根据调光信号来调节驱动电流的占空比。