Backlight module control system and control method thereof
    1.
    发明授权
    Backlight module control system and control method thereof 有权
    背光模块控制系统及其控制方法

    公开(公告)号:US08084961B2

    公开(公告)日:2011-12-27

    申请号:US12388506

    申请日:2009-02-18

    IPC分类号: G05F1/00 H05B37/02

    CPC分类号: H05B33/0827

    摘要: A backlight module control system includes at least one backlight module, a driving circuit, at least one switch and a power supply module. The driving circuit is utilized for determining a driving signal to drive the backlight module. The switch is coupled between the driving circuit and the backlight module, and is selectively turned on or off according to the driving signal. The power supply module is coupled to the backlight module, and is utilized for providing an operating voltage required by the backlight module control system.

    摘要翻译: 背光模块控制系统包括至少一个背光模块,驱动电路,至少一个开关和电源模块。 驱动电路用于确定驱动背光模块的驱动信号。 开关耦合在驱动电路和背光模块之间,并根据驱动信号选择性地导通或截止。 电源模块耦合到背光模块,并用于提供背光模块控制系统所需的工作电压。

    Light source driving circuit
    2.
    发明授权
    Light source driving circuit 有权
    光源驱动电路

    公开(公告)号:US07956553B2

    公开(公告)日:2011-06-07

    申请号:US12536503

    申请日:2009-08-06

    IPC分类号: H05B37/02

    摘要: A light source driving circuit includes a power supply circuit, a first dimming circuit, and a control circuit. The power supply circuit has a control terminal and an output terminal that is connected to a terminal of a first light-emitting element. The first dimming circuit has a first terminal connected to the other terminal of the first light-emitting element, a second terminal connected to a common potential, and a pulse width signal input terminal. The control circuit is connected between the pulse width input terminal of the first dimming circuit and the control terminal of the power supply circuit. The first dimming circuit determines an ON/OFF state according to a logic state of the pulse width signal. The power supply circuit determines whether or not to output the voltage. The control circuit delays the power supply circuit, turns off the power supply circuit, and delays the first dimming circuit.

    摘要翻译: 光源驱动电路包括电源电路,第一调光电路和控制电路。 电源电路具有连接到第一发光元件的端子的控制端子和输出端子。 第一调光电路具有连接到第一发光元件的另一个端子的第一端子,连接到公共电位的第二端子和脉冲宽度信号输入端子。 控制电路连接在第一调光电路的脉冲宽度输入端和电源电路的控制端之间。 第一调光电路根据脉冲宽度信号的逻辑状态确定ON / OFF状态。 电源电路确定是否输出电压。 控制电路延迟电源电路,关闭电源电路,并延迟第一个调光电路。

    Current-controlling apparatus for controlling current of light emitting diode string
    3.
    发明授权
    Current-controlling apparatus for controlling current of light emitting diode string 有权
    用于控制发光二极管串电流的电流控制装置

    公开(公告)号:US07911441B2

    公开(公告)日:2011-03-22

    申请号:US11615997

    申请日:2006-12-25

    IPC分类号: G09G3/36

    摘要: A current-controlling apparatus is suitable for controlling the current passing through a light emitting device string (LEDS), wherein an end of the LEDS is electrically connected to a first-voltage level. The current-controlling apparatus includes a current-adjusting unit and a control unit. The current-adjusting unit, electrically connected between a second-voltage level and another end of the LEDS, is used for detecting a current of the LEDS, producing a feedback signal hereby and controlling the impedance between the LEDS and the second voltage level according to a conductance-controlling signal and an impedance-controlling signal to control the current. The control unit is electrically connected to the current-adjusting unit for receiving a reference signal and the feedback signal, comparing the feedback signal with the reference signal to give a comparison result, performing a current compensation on the comparison result and converting the compensated comparison result into the conductance-controlling signal and the impedance-controlling signal.

    摘要翻译: 电流控制装置适用于控制通过发光器件串(LEDS)的电流,其中LEDS的一端电连接到第一电压电平。 电流控制装置包括电流调节单元和控制单元。 电连接在第二电压电平和LEDS的另一端之间的电流调节单元用于检测LEDS的电流,从而产生反馈信号,并根据LED控制LEDS与第二电压电平之间的阻抗 电导控制信号和阻抗控制信号来控制电流。 控制单元电连接到电流调节单元,用于接收参考信号和反馈信号,将反馈信号与参考信号进行比较以给出比较结果,对比较结果执行电流补偿并转换补偿比较结果 进入电导控制信号和阻抗控制信号。

    LIGHT SOURCE DRIVING CIRCUIT
    4.
    发明申请
    LIGHT SOURCE DRIVING CIRCUIT 有权
    光源驱动电路

    公开(公告)号:US20080093997A1

    公开(公告)日:2008-04-24

    申请号:US11775842

    申请日:2007-07-10

    IPC分类号: H05B41/36 H05B33/08

    摘要: A light source driving circuit for driving a light-emitting element is provided. The light source driving circuit includes a power supply circuit, a dimming circuit, and a feedback circuit. A first terminal of the dimming circuit is connected to a terminal of the light-emitting element, and a second terminal of the dimming circuit receives a supply voltage output from the power supply circuit. The dimming circuit determines an ON/OFF state between the first terminal and the second terminal according to a logic state of a pulse width signal. The feedback circuit is connected between the first terminal of the dimming circuit and a feedback terminal of the power supply circuit. The feedback circuit controls a level of the supply voltage output from the power supply circuit according to the ON/OFF state of the dimming circuit.

    摘要翻译: 提供了用于驱动发光元件的光源驱动电路。 光源驱动电路包括电源电路,调光电路和反馈电路。 调光电路的第一端子连接到发光元件的端子,并且调光电路的第二端子接收从电源电路输出的电源电压。 调光电路根据脉冲宽度信号的逻辑状态确定第一端子和第二端子之间的接通/断开状态。 反馈电路连接在调光电路的第一端子和电源电路的反馈端子之间。 反馈电路根据调光电路的ON / OFF状态控制从电源电路输出的电源电压的电平。

    METHOD FOR REDUCING POWER CONSUMPTION OF PLASMA DISPLAY PANEL
    5.
    发明申请
    METHOD FOR REDUCING POWER CONSUMPTION OF PLASMA DISPLAY PANEL 失效
    降低等离子显示面板功耗的方法

    公开(公告)号:US20070035479A1

    公开(公告)日:2007-02-15

    申请号:US11161720

    申请日:2005-08-15

    IPC分类号: G09G3/28

    CPC分类号: G09G3/2965 G09G3/294

    摘要: A method for recovering electric energy of a plasma display panel (PDP) by controlling two recovery units respectively connected to two sides of the PDP is introduced. The method includes forming series resonance loops within corresponding periods of a working period so that a capacitor of one of the two recovery units is charging twice, where it is charged once by the PDP and is also charged by another capacitor of the other one recovery unit; and controlling the two capacitors of the two recovery units to respectively charge the PDP within proper periods.

    摘要翻译: 引入了通过控制分别连接到PDP的两侧的两个恢复单元来恢复等离子体显示面板(PDP)的电能的方法。 该方法包括在工作周期的相应周期内形成串联谐振回路,使得两个恢复单元中的一个的电容器充电两次,其中由PDP充电一次,并且还由另一个恢复单元的另一个电容器充电 ; 并且控制两个恢复单元的两个电容器在适当的周期内分别对PDP充电。

    Back light module
    6.
    发明授权
    Back light module 有权
    背光模组

    公开(公告)号:US08076863B2

    公开(公告)日:2011-12-13

    申请号:US12177887

    申请日:2008-07-23

    IPC分类号: H05B41/16 G09G3/10

    摘要: A back light module is provided. The back light module includes a plurality of light source matrixes, a current adjusting circuit and a light source driving circuit, wherein each of the light source matrixes includes N light emitting units and N is an integer greater than 1. First ends of the light emitting units are electrically connected to each other, and a second end of the ith light emitting unit is electrically connected to an ith level switch line, wherein i is an integer and 1≦i≦N. The current adjusting circuit supplies and controls the current of each of the light source matrixes through level switch lines. The light source driving circuit drives the light source matrixes sequentially.

    摘要翻译: 提供背光模块。 背光模块包括多个光源矩阵,电流调节电路和光源驱动电路,其中每个光源矩阵包括N个发光单元,N是大于1的整数。发光的第一端 单元彼此电连接,第i个发光单元的第二端电连接到第i电平开关线,其中i是整数,1和nlE; i≦̸ N。 电流调节电路通过电平开关线路提供和控制每个光源矩阵的电流。 光源驱动电路依次驱动光源矩阵。

    LIGHT EMITTING DIODE BACK LIGHT SYSTEM AND METHOD FOR DRIVING BACK LIGHT SOURCE USED THEREIN
    7.
    发明申请
    LIGHT EMITTING DIODE BACK LIGHT SYSTEM AND METHOD FOR DRIVING BACK LIGHT SOURCE USED THEREIN 审中-公开
    发光二极管背光系统及其使用的背光源的方法

    公开(公告)号:US20080174528A1

    公开(公告)日:2008-07-24

    申请号:US11758678

    申请日:2007-06-06

    IPC分类号: G09G3/32

    CPC分类号: G09G3/3426

    摘要: A light emitting diode (LED) back light system and a method for driving a back light source used therein are provided. The LED back light system includes an LED back light source, a power converting circuit, and a sequential outputting circuit. The LED back light source includes a plurality of areas. The power converting circuit is used to convert an external power source into a driving power source. The sequential outputting circuit is electrically connected to the power converting circuit and said areas so as to generate a plurality of driving signals according to the driving power source. In addition, said driving signals are sequentially outputted to drive said areas at different time.

    摘要翻译: 提供了一种发光二极管(LED)背光系统及其中使用的背光源的驱动方法。 LED背光系统包括LED背光源,功率转换电路和顺序输出电路。 LED背光源包括多个区域。 电力转换电路用于将外部电源转换为驱动电源。 顺序输出电路电连接到功率转换电路和所述区域,以根据驱动电源产生多个驱动信号。 另外,顺序地输出所述驱动信号,以在不同时间驱动所述区域。

    LIGHT SOURCE DRIVING CIRCUIT AND DRIVING METHOD THEREOF
    8.
    发明申请
    LIGHT SOURCE DRIVING CIRCUIT AND DRIVING METHOD THEREOF 有权
    光源驱动电路及其驱动方法

    公开(公告)号:US20080100234A1

    公开(公告)日:2008-05-01

    申请号:US11618048

    申请日:2006-12-29

    IPC分类号: H05B39/00

    摘要: A light source driving circuit is adapted for driving a light-emitted component. The light source driving circuit includes a power supply, a dimming circuit, and a feedback circuit. An output terminal of the power supply is coupled to one terminal of the light-emitted component to supply a power to the light-emitted component, and determine the power value according to a feedback signal received by a feedback terminal of the power supply. A first terminal of the dimming circuit is coupled to another terminal of the light-emitted component. A second terminal of the dimming circuit is coupled to a common voltage. According to a logic state of a pulse width signal, the dimming circuit determines the conduction of the first terminal and the second terminal. The feedback circuit is coupled between the first terminal and the feedback terminal, and determines the feedback signal according to on/off state of the dimming circuit.

    摘要翻译: 光源驱动电路适于驱动发光部件。 光源驱动电路包括电源,调光电路和反馈电路。 电源的输出端子连接到发光部件的一个端子,以向光发射部件供电,并且根据由电源的反馈端子接收到的反馈信号来确定功率值。 调光电路的第一端子耦合到光发射部件的另一个端子。 调光电路的第二端子耦合到公共电压。 根据脉冲宽度信号的逻辑状态,调光电路确定第一端子和第二端子的导通。 反馈电路耦合在第一端子和反馈端子之间,并且根据调光电路的开/关状态来确定反馈信号。

    Method and apparatus for driving plasma display panel and improving display characteristics through multiple discharges
    9.
    发明申请
    Method and apparatus for driving plasma display panel and improving display characteristics through multiple discharges 审中-公开
    用于驱动等离子体显示面板的方法和装置,通过多次放电改善显示特性

    公开(公告)号:US20070085774A1

    公开(公告)日:2007-04-19

    申请号:US11269923

    申请日:2005-11-08

    IPC分类号: G09G3/28

    CPC分类号: G09G3/2965 G09G3/2942

    摘要: A method and apparatus for driving a plasma display panel and improving the display characteristics through multi-discharge phenomenon is provided. The driving method is used for providing energy to light up at least a display unit in the plasma display panel and includes the following steps. Before providing any external energy, an energy recovery circuit provides internally stored energy so that the display unit has a first discharge through a resonance effect initiated by the internally stored energy. After the first discharge, external energy is provided to the display unit to trigger a second discharge. Thereafter, the energy recovery circuit stops providing internally stored energy to the display unit. Similarly, external energy to the display unit is also stopped. After the second discharge, the energy in the display unit is returned to the energy recovery circuit to serve as internally stored energy.

    摘要翻译: 提供了一种用于驱动等离子体显示面板并通过多次放电现象改善显示特性的方法和装置。 该驱动方法用于提供能量以照亮等离子体显示面板中的至少一个显示单元,并且包括以下步骤。 在提供任何外部能量之前,能量回收电路提供内部存储的能量,使得显示单元通过由内部存储的能量引发的共振效应具有第一次放电。 在第一次放电之后,向显示单元提供外部能量以触发第二次放电。 此后,能量回收电路停止向显示单元提供内部存储的能量。 类似地,显示单元的外部能量也停止。 在第二次放电之后,显示单元中的能量返回到能量恢复电路以用作内部存储的能量。

    BACKLIGHT MODULE CONTROL SYSTEM AND CONTROL METHOD THEREOF
    10.
    发明申请
    BACKLIGHT MODULE CONTROL SYSTEM AND CONTROL METHOD THEREOF 有权
    背光模块控制系统及其控制方法

    公开(公告)号:US20100033100A1

    公开(公告)日:2010-02-11

    申请号:US12388506

    申请日:2009-02-18

    IPC分类号: H05B41/36

    CPC分类号: H05B33/0827

    摘要: A backlight module control system includes at least one backlight module, a driving circuit, at least one switch and a power supply module. The driving circuit is utilized for determining a driving signal to drive the backlight module. The switch is coupled between the driving circuit and the backlight module, and is selectively turned on or off according to the driving signal. The power supply module is coupled to the backlight module, and is utilized for providing an operating voltage required by the backlight module control system.

    摘要翻译: 背光模块控制系统包括至少一个背光模块,驱动电路,至少一个开关和电源模块。 驱动电路用于确定驱动背光模块的驱动信号。 开关耦合在驱动电路和背光模块之间,并根据驱动信号选择性地导通或截止。 电源模块耦合到背光模块,并用于提供背光模块控制系统所需的工作电压。