HIGH EFFICIENCY AND LOW COST COLD CATHODE FLUORESCENT LAMP DRIVING APPARATUS FOR LCD BACKLIGHT
    1.
    发明申请
    HIGH EFFICIENCY AND LOW COST COLD CATHODE FLUORESCENT LAMP DRIVING APPARATUS FOR LCD BACKLIGHT 有权
    高效低成本冷阴极荧光灯驱动装置

    公开(公告)号:US20070290624A1

    公开(公告)日:2007-12-20

    申请号:US11424468

    申请日:2006-06-15

    IPC分类号: H05B39/04

    CPC分类号: H05B41/3927 H05B41/2824

    摘要: The invention is a driving apparatus and circuit for efficiently converting a direct current (DC) signal into an alternating current (AC) signal to drive a fluorescent lamp. A semi class E configuration which utilizes only one transistor is employed in the invention. The invention comprises a power transistor, a transformer wherein a primary winding is used as a load for the power transistor and a secondary winding is used to transfer energy to the load for the driving apparatus, i.e. the CCFL tube, and control means which extracts the frequency and current of the power transistor and corrects the deviation between the frequency of the power transistor and that of the control means.

    摘要翻译: 本发明是用于将直流(DC)信号有效地转换为交流(AC)信号以驱动荧光灯的驱动装置和电路。 在本发明中采用仅使用一个晶体管的半等级E构造。 本发明包括功率晶体管,变压器,其中初级绕组用作功率晶体管的负载,次级绕组用于将能量传递到用于驱动装置的负载,即CCFL管,以及控制装置,其提取 功率晶体管的频率和电流,并校正功率晶体管的频率与控制装置的频率之间的偏差。

    Control system for multiple fluorescent lamps

    公开(公告)号:US20090261747A1

    公开(公告)日:2009-10-22

    申请号:US12496564

    申请日:2009-07-01

    IPC分类号: H05B41/36

    CPC分类号: H05B41/2828 H05B41/3927

    摘要: The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital method, an analog method, or a mixture of the two methods. In a digital method, phase shifts are generated by digital circuits comprising counters, a divider, an adder, and a comparator. The digital circuits analyze the signal and use the necessary information to form a series of phased driving signals. In an analog method, phase shifts are generated by analog circuits comprising ramp waveform generators, comparators, and at least one shot generator. Also, an apparatus for driving a lighting system with multiple lamps can be realized by mixing the two methods mentioned above.

    Inverter having single switching device
    3.
    发明授权
    Inverter having single switching device 失效
    变频器具有单个开关装置

    公开(公告)号:US07564191B2

    公开(公告)日:2009-07-21

    申请号:US11430452

    申请日:2006-05-09

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2822

    摘要: An inverter has an inductor, a capacitor, a switching device, a driving circuit and a transformer. A first terminal of the capacitor is connected to the inductor, and the switching device is connected between the first terminal of the capacitor and a ground terminal. The driving circuit is connected to the switching device, wherein the driving circuit is arranged to control the switching device to turn on or turn off; and a primary side of the transformer is connected between a second terminal of the capacitor and the ground terminal.

    摘要翻译: 逆变器具有电感器,电容器,开关器件,驱动电路和变压器。 电容器的第一端子连接到电感器,并且开关器件连接在电容器的第一端子和接地端子之间。 驱动电路连接到开关装置,其中驱动电路被布置成控制开关装置导通或关断; 并且变压器的初级侧连接在电容器的第二端子和接地端子之间。

    Control system for multiple fluorescent lamps
    4.
    发明授权
    Control system for multiple fluorescent lamps 失效
    多个荧光灯的控制系统

    公开(公告)号:US07605545B2

    公开(公告)日:2009-10-20

    申请号:US11532678

    申请日:2006-09-18

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2828 H05B41/3927

    摘要: The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital method, an analog method, or a mixture of the two methods. In a digital method, phase shifts are generated by digital circuits comprising counters, a divider, an adder, and a comparator. The digital circuits analyze the signal and use the necessary information to form a series of phased driving signals. In an analog method, phase shifts are generated by analog circuits comprising ramp waveform generators, comparators, and at least one shot generator. Also, an apparatus for driving a lighting system with multiple lamps can be realized by mixing the two methods mentioned above.

    摘要翻译: 本发明涉及一种驱动具有多个灯的照明系统的装置。 通过数字方法,模拟方法或这两种方法的混合来产生相移机制。 在数字方法中,通过包括计数器,分频器,加法器和比较器的数字电路产生相移。 数字电路分析信号并使用必要的信息来形成一系列相位驱动信号。 在模拟方法中,由包括斜坡波形发生器,比较器和至少一个射击发生器的模拟电路产生相移。 此外,通过混合上述两种方法,可以实现用于驱动具有多个灯的照明系统的装置。

    Lamp driving device and method
    5.
    发明授权
    Lamp driving device and method 有权
    灯驱动装置及方法

    公开(公告)号:US07514882B2

    公开(公告)日:2009-04-07

    申请号:US11485896

    申请日:2006-07-13

    IPC分类号: H05B37/02

    CPC分类号: H05B41/245 H05B41/2824

    摘要: A lamp driving device has a pulse width modulation circuit, a phase splitter and several switching circuits. The pulse width modulation circuit is arranged to generate a pulse width modulation signal. The phase splitter is coupled to the pulse width modulation circuit and arranged to split the pulse width modulation signal into several phased signals having different phases, wherein pulses of each phased signal are non-overlapping with those of another phased signal. The switching circuits are coupled to the phase splitter and are arranged to respectively receive one of the phased signals, wherein each switching circuit is controlled by the received phased signal.

    摘要翻译: 灯驱动装置具有脉宽调制电路,分相器和若干开关电路。 脉宽调制电路被配置为产生脉宽调制信号。 相位分离器耦合到脉冲宽度调制电路,并被布置成将脉宽调制信号分离成具有不同相位的若干相位信号,其中每个相控信号的脉冲与另一个相控信号的脉冲不重叠。 开关电路耦合到相分离器并且被布置成分别接收相控信号中的一个,其中每个开关电路由接收的相控信号控制。

    CONTROL SYSTEM FOR MULTIPLE FLUORESCENT LAMPS
    6.
    发明申请
    CONTROL SYSTEM FOR MULTIPLE FLUORESCENT LAMPS 失效
    多种荧光灯的控制系统

    公开(公告)号:US20080068203A1

    公开(公告)日:2008-03-20

    申请号:US11532678

    申请日:2006-09-18

    IPC分类号: G08B5/24

    CPC分类号: H05B41/2828 H05B41/3927

    摘要: The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital method, an analog method, or a mixture of the two methods. In a digital method, phase shifts are generated by digital circuits comprising counters, a divider, an adder, and a comparator. The digital circuits analyze the signal and use the necessary information to form a series of phased driving signals. In an analog method, phase shifts are generated by analog circuits comprising ramp waveform generators, comparators, and at least one shot generator. Also, an apparatus for driving a lighting system with multiple lamps can be realized by mixing the two methods mentioned above.

    摘要翻译: 本发明涉及一种驱动具有多个灯的照明系统的装置。 通过数字方法,模拟方法或这两种方法的混合来产生相移机制。 在数字方法中,通过包括计数器,分频器,加法器和比较器的数字电路产生相移。 数字电路分析信号并使用必要的信息来形成一系列相位驱动信号。 在模拟方法中,由包括斜坡波形发生器,比较器和至少一个射击发生器的模拟电路产生相移。 此外,通过混合上述两种方法,可以实现用于驱动具有多个灯的照明系统的装置。

    Inverter
    7.
    发明申请
    Inverter 失效
    逆变器

    公开(公告)号:US20070159114A1

    公开(公告)日:2007-07-12

    申请号:US11430452

    申请日:2006-05-09

    IPC分类号: H05B41/16

    CPC分类号: H05B41/2822

    摘要: An inverter has an inductor, a capacitor, a switching device, a driving circuit and a transformer. A first terminal of the capacitor is connected to the inductor, and the switching device is connected between the first terminal of the capacitor and a ground terminal. The driving circuit is connected to the switching device, wherein the driving circuit is arranged to control the switching device to turn on or turn off; and a primary side of the transformer is connected between a second terminal of the capacitor and the ground terminal.

    摘要翻译: 逆变器具有电感器,电容器,开关器件,驱动电路和变压器。 电容器的第一端子连接到电感器,并且开关器件连接在电容器的第一端子和接地端子之间。 驱动电路连接到开关装置,其中驱动电路被布置成控制开关装置导通或关断; 并且变压器的初级侧连接在电容器的第二端子与接地端子之间。

    Control system for multiple fluorescent lamps
    8.
    发明授权
    Control system for multiple fluorescent lamps 有权
    多个荧光灯的控制系统

    公开(公告)号:US08111016B2

    公开(公告)日:2012-02-07

    申请号:US12496564

    申请日:2009-07-01

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2828 H05B41/3927

    摘要: The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital method, an analog method, or a mixture of the two methods. In a digital method, phase shifts are generated by digital circuits comprising counters, a divider, an adder, and a comparator. The digital circuits analyze the signal and use the necessary information to form a series of phased driving signals. In an analog method, phase shifts are generated by analog circuits comprising ramp waveform generators, comparators, and at least one shot generator. Also, an apparatus for driving a lighting system with multiple lamps can be realized by mixing the two methods mentioned above.

    摘要翻译: 本发明涉及一种驱动具有多个灯的照明系统的装置。 通过数字方法,模拟方法或这两种方法的混合来产生相移机制。 在数字方法中,通过包括计数器,分频器,加法器和比较器的数字电路产生相移。 数字电路分析信号并使用必要的信息来形成一系列相位驱动信号。 在模拟方法中,由包括斜坡波形发生器,比较器和至少一个射击发生器的模拟电路产生相移。 此外,通过混合上述两种方法,可以实现用于驱动具有多个灯的照明系统的装置。

    High efficiency and low cost cold cathode fluorescent lamp driving apparatus for LCD backlight
    9.
    发明授权
    High efficiency and low cost cold cathode fluorescent lamp driving apparatus for LCD backlight 有权
    用于LCD背光的高效低成本冷阴极荧光灯驱动装置

    公开(公告)号:US07786680B2

    公开(公告)日:2010-08-31

    申请号:US12362870

    申请日:2009-01-30

    IPC分类号: H05B37/02

    CPC分类号: H05B41/3927 H05B41/2824

    摘要: The invention is a driving apparatus and circuit for efficiently converting a direct current (DC) signal into an alternating current (AC) signal to drive a fluorescent lamp. A semi class E configuration which utilizes only one transistor is employed in the invention. The invention comprises a power transistor, a transformer wherein a primary winding is used as a load for the power transistor and a secondary winding is used to transfer energy to the load for the driving apparatus, i.e. the CCFL tube, and control means which extracts the frequency and current of the power transistor and corrects the deviation between the frequency of the power transistor and that of the control means.

    摘要翻译: 本发明是用于将直流(DC)信号有效地转换为交流(AC)信号以驱动荧光灯的驱动装置和电路。 在本发明中采用仅使用一个晶体管的半等级E构造。 本发明包括功率晶体管,变压器,其中初级绕组用作功率晶体管的负载,次级绕组用于将能量传递到用于驱动装置的负载,即CCFL管,以及控制装置,其提取 功率晶体管的频率和电流,并校正功率晶体管的频率与控制装置的频率之间的偏差。

    HIGH EFFICIENCY AND LOW COST COLD CATHODE FLUORESCENT LAMP DRIVING APPARATUS FOR LCD BACKLIGHT
    10.
    发明申请
    HIGH EFFICIENCY AND LOW COST COLD CATHODE FLUORESCENT LAMP DRIVING APPARATUS FOR LCD BACKLIGHT 有权
    高效低成本冷阴极荧光灯驱动装置

    公开(公告)号:US20090189536A1

    公开(公告)日:2009-07-30

    申请号:US12362870

    申请日:2009-01-30

    IPC分类号: H05B41/16 H05B41/36

    CPC分类号: H05B41/3927 H05B41/2824

    摘要: The invention is a driving apparatus and circuit for efficiently converting a direct current (DC) signal into an alternating current (AC) signal to drive a fluorescent lamp. A semi class E configuration which utilizes only one transistor is employed in the invention. The invention comprises a power transistor, a transformer wherein a primary winding is used as a load for the power transistor and a secondary winding is used to transfer energy to the load for the driving apparatus, i.e. the CCFL tube, and control means which extracts the frequency and current of the power transistor and corrects the deviation between the frequency of the power transistor and that of the control means.

    摘要翻译: 本发明是用于将直流(DC)信号有效地转换为交流(AC)信号以驱动荧光灯的驱动装置和电路。 在本发明中采用仅使用一个晶体管的半等级E构造。 本发明包括功率晶体管,变压器,其中初级绕组用作功率晶体管的负载,次级绕组用于将能量传递到用于驱动装置的负载,即CCFL管,以及控制装置,其提取 功率晶体管的频率和电流,并校正功率晶体管的频率与控制装置的频率之间的偏差。