METHOD AND APPARATUS FOR DRIVING CCFL AT LOW BURST DUTY CYCLE RATES
    1.
    发明申请
    METHOD AND APPARATUS FOR DRIVING CCFL AT LOW BURST DUTY CYCLE RATES 失效
    用于驱动低压脉冲周期速率下的CCFL的方法和装置

    公开(公告)号:US20100123400A1

    公开(公告)日:2010-05-20

    申请号:US12610327

    申请日:2009-11-01

    CPC classification number: H05B41/2855 Y02B20/186 Y10S315/04

    Abstract: A cold cathode fluorescent lamp controller constituted of a pulse generator exhibiting a cycle period; a burst dimming control operative to set a burst dimming duty cycle for the pulse generator; a comparator arranged to receive a signal indicative of the value of current through a load driven by the pulse generator and compare the received signal to a reference signal; an error detection circuit operative to shut down the pulse generator responsive to an output of the comparator indicating that the received signal is less than the reference signal for a predetermined number of cycles of the pulse generator; and a disable circuit arranged to prevent, when the set burst dimming duty cycle is less than a predetermined value, the shut down of the pulse generator responsive to the output of the comparator indicating the received signal is less than the reference signal.

    Abstract translation: 一种由显示循环周期的脉冲发生器构成的冷阴极荧光灯控制器; 脉冲调光控制,用于设置脉冲发生器的脉冲调制占空比; 比较器,被布置成接收指示由脉冲发生器驱动的负载的电流值的信号,并将接收的信号与参考信号进行比较; 误差检测电路,用于响应于所述比较器的输出,针对所述脉冲发生器的预定数量的周期来指示所述接收信号小于所述参考信号的脉冲发生器; 以及禁止电路,其被布置为当所设置的脉冲串调光占空比小于预定值时,防止响应于指示接收信号的比较器的输出的脉冲发生器的停止小于参考信号。

    Using a Triangular Waveform to Synchronize the Operation of an Electronic Circuit
    2.
    发明申请
    Using a Triangular Waveform to Synchronize the Operation of an Electronic Circuit 有权
    使用三角波形来同步电子电路的操作

    公开(公告)号:US20090154543A1

    公开(公告)日:2009-06-18

    申请号:US11955477

    申请日:2007-12-13

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: G09G5/18 G09G3/3406 H03K4/502

    Abstract: An electronic circuit exhibiting synchronization with an external synchronization signal, the electronic circuit comprising: an input connection arranged to receive a synchronization input signal; a triangular waveform oscillator operatively associated with the synchronization signal input connection and responsive to a condition of the received synchronization input signal to initiate a triangular waveform; and a pulse train generator operatively associated with the triangular waveform oscillator, the pulse train generator arranged to generate a plurality of pulse trains having a fixed non-zero phase relationship between them and a frequency responsive to the condition of the synchronization input signal.

    Abstract translation: 一种与外部同步信号同步的电子电路,所述电子电路包括:布置成接收同步输入信号的输入连接; 三角形波形振荡器,其与所述同步信号输入连接可操作地相关联,并且响应于所接收的同步输入信号的状态以启动三角形波形; 以及与三角波形振荡器可操作地相关联的脉冲串发生器,所述脉冲序列发生器被布置成产生响应于同步输入信号的条件的具有固定的非零相位关系的多个脉冲序列和频率。

    BRIGHTNESS CONTROL FOR LED LIGHTING
    3.
    发明申请
    BRIGHTNESS CONTROL FOR LED LIGHTING 有权
    LED灯具亮度控制

    公开(公告)号:US20120242230A1

    公开(公告)日:2012-09-27

    申请号:US13423395

    申请日:2012-03-19

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B33/0845 H05B33/0815 H05B33/0827

    Abstract: A driving arrangement for light emitting diode (LED) based illumination constituted of: a comparison circuitry arranged to compare an integral of a target current over a target illumination time for at least one LED based luminaire with an integral of an illumination current over an illumination time for the at least one LED based luminaire, the comparison circuitry arranged to output a comparison signal; and a control circuitry in communication with the comparison circuitry and arranged to alternately: allow the flow of electrical current through the at least one LED based luminaire responsive to a first condition of the comparison signal; and prevent the flow of electrical current through the at least one LED based luminaire responsive to a second condition of the comparison signal, the second condition different from the first condition.

    Abstract translation: 一种用于基于发光二极管(LED)的照明的驱动装置,其由以下部分组成:比较电路,被布置为将至少一个基于LED的照明器的目标照射时间的目标电流的积分与照明时间上的照明电流的积分进行比较 对于所述至少一个基于LED的照明器,所述比较电路被布置成输出比较信号; 以及控制电路,其与所述比较电路通信并且被布置为交替地:响应于所述比较信号的第一状态,允许通过所述至少一个基于LED的照明器的电流流动; 并且响应于比较信号的第二条件,防止电流流过至少一个基于LED的照明器,第二条件不同于第一条件。

    Direct Coupled Balancer Drive For Floating Lamp Structure
    4.
    发明申请
    Direct Coupled Balancer Drive For Floating Lamp Structure 失效
    直接耦合平衡器驱动浮动灯结构

    公开(公告)号:US20090195175A1

    公开(公告)日:2009-08-06

    申请号:US12363806

    申请日:2009-02-02

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B41/2822

    Abstract: A backlighting arrangement constituted of a driving transformer arrangement; a plurality of lamp pairs, each of the constituent lamps of the plurality of lamp pairs exhibiting a first electrical connection and a second electrical connection; and a plurality of balancing transformers, each comprising a primary winding and a secondary winding magnetically coupled to the primary winding, and each associated with a particular one of the plurality of lamp pairs, the primary winding of each of the plurality of balancing transformers serially connected between the second electrical connections of the constituent lamps of the associated lamp pair, the secondary windings of the plurality of balancing transformers serially connected in phase, with a first end of the serially connected secondary windings of the balancing transformers connected to one phase output of the driving transformer arrangement.

    Abstract translation: 由驱动变压器装置构成的背光装置; 多个灯对,多个灯对中的每个组成灯呈现第一电连接和第二电连接; 以及多个平衡变压器,每个平衡变压器包括初级绕组和与所述初级绕组磁耦合的次级绕组,并且每个与所述多个灯对中的特定一个相对应,所述多个平衡变压器中的每一个的初级绕组串联连接 在相关联的灯对的构成灯的第二电连接之间,多个串联连接的平衡变压器的次级绕组与平衡变压器的串联次级绕组的第一端连接到 驱动变压器布置。

    HIGH EFFICIENCY LED DRIVING METHOD
    5.
    发明申请
    HIGH EFFICIENCY LED DRIVING METHOD 有权
    高效LED驱动方法

    公开(公告)号:US20120280628A1

    公开(公告)日:2012-11-08

    申请号:US13461793

    申请日:2012-05-02

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B33/0827 H05B33/0815

    Abstract: An arrangement wherein a plurality of LED strings are driven with a balanced drive signal, i.e. a drive signal wherein the positive side and negative side are of equal energy over time, is provided. In a preferred embodiment, the drive signal is balanced responsive to a capacitor provided between a switching network and a driving transformer. Balance of current between various LED strings is provided by a balancing transformer.

    Abstract translation: 提供了一种其中多个LED串由平衡驱动信号驱动的装置,即其中正侧和负侧随时间具有相同能量的驱动信号。 在优选实施例中,响应于设置在开关网络和驱动变压器之间的电容器来平衡驱动信号。 各种LED串之间的电流平衡由平衡变压器提供。

    LED STRING DRIVER WITH NON-DISSIPATIVE REACTANCE BALANCER
    6.
    发明申请
    LED STRING DRIVER WITH NON-DISSIPATIVE REACTANCE BALANCER 审中-公开
    LED驱动器与非易失性反应平衡器

    公开(公告)号:US20120019156A1

    公开(公告)日:2012-01-26

    申请号:US13175902

    申请日:2011-07-04

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: G09G3/342 G09G2320/0233 H05B33/0818 H05B33/0827

    Abstract: A solid state lighting arrangement constituted of: a power source providing a current which is discontinuous in at least one direction; a plurality of light emitting diode (LED) strings arranged to receive the provided current from the power source; and a plurality of reactance elements, each of the plurality of reactance elements arranged in series with a particular one of the plurality of LED strings, such that current flowing from the power source through each of the LED strings creates a voltage drop across the series arranged reactance element, wherein the voltage drop across each of the series arranged reactance elements responsive to the discontinuous current is at least 10 times greater than the maximum difference between the voltage drops among the plurality of LED strings.

    Abstract translation: 一种固态照明装置,包括:提供在至少一个方向上不连续的电流的电源; 多个发光二极管(LED)串,被布置成从电源接收所提供的电流; 以及多个电抗元件,所述多个电抗元件中的每一个与所述多个LED串中的特定一个串联布置,使得从所述电源通过每个所述LED串流动的电流在所述串联排列上产生电压降 电抗元件,其中响应于不连续电流的串联布置的电抗元件中的每一个的电压降比多个LED串中的电压降之间的最大差值大至少10倍。

    LED STRING DRIVER ARRANGEMENT WITH NON-DISSIPATIVE CURRENT BALANCER
    7.
    发明申请
    LED STRING DRIVER ARRANGEMENT WITH NON-DISSIPATIVE CURRENT BALANCER 有权
    LED驱动器安装与非平衡电流平衡器

    公开(公告)号:US20120013259A1

    公开(公告)日:2012-01-19

    申请号:US13175899

    申请日:2011-07-04

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B33/0827

    Abstract: A solid state lighting driver arrangement exhibiting a plurality of LED strings receiving power from a single power source, the single power source providing a discontinuous current, wherein a plurality of first windings are provided, each associated with a particular LED string and coupled to provide current balancing between the various LED strings. The discontinuous current resets the windings during the off time or during a reversal period. In one particular embodiment, a second winding is magnetically coupled to each of the first windings, and the second windings are connected in a closed in-phase loop. In another particular embodiment, at least two of the first windings are magnetically coupled to each other, thus ensuring a balance between current in each LED string.

    Abstract translation: 一种固态照明驱动器装置,其显示从单个电源接收功率的多个LED串,所述单个电源提供不连续电流,其中提供多个第一绕组,每个第一绕组与特定LED串相关联并耦合以提供电流 平衡各种LED串。 不连续电流在关断时间或反转期间复位绕组。 在一个特定实施例中,第二绕组磁耦合到每个第一绕组,并且第二绕组以闭合同相环连接。 在另一特定实施例中,至少两个第一绕组彼此磁耦合,从而确保每个LED串中的电流之间的平衡。

    LIPS BACKLIGHT CONTROL ARCHITECTURE WITH LOW COST DEAD TIME TRANSFER
    8.
    发明申请
    LIPS BACKLIGHT CONTROL ARCHITECTURE WITH LOW COST DEAD TIME TRANSFER 有权
    使用低成本死时间传输的背光控制架构

    公开(公告)号:US20110304280A1

    公开(公告)日:2011-12-15

    申请号:US13158507

    申请日:2011-06-13

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B41/2825

    Abstract: A driving circuitry arranged to pass a dead time over an isolation transformer, the driving circuitry constituted of: a three-state driver arranged to output a first signal, the first signal selectively at one of two complementary voltage levels and a high impedance state; a first capacitor, a first end of the first capacitor coupled to receive the first signal; and a first isolation transformer, a first end of a first winding of the first isolation transformer coupled to a second end of the first capacitor.

    Abstract translation: 驱动电路,其布置成在隔离变压器上传递死区时间,所述驱动电路由以下三个状态驱动电路构成:三态驱动器,被布置为以两个互补电压电平和高阻抗状态之一选择性地输出第一信号,所述第一信号; 第一电容器,第一电容器的第一端耦合以接收第一信号; 和第一隔离变压器,第一隔离变压器的第一绕组的第一端耦合到第一电容器的第二端。

    INTEGRATED BACKLIGHT CONTROL SYSTEM
    9.
    发明申请
    INTEGRATED BACKLIGHT CONTROL SYSTEM 失效
    集成式背光控制系统

    公开(公告)号:US20100327761A1

    公开(公告)日:2010-12-30

    申请号:US12815441

    申请日:2010-06-15

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B41/2828 Y02B20/186

    Abstract: A lighting arrangement constituted of: a power factor correction circuit; a lighting controller operative at an electrical potential consonant with the electric potential of the output of the power factor correction circuit; a switching network, coupled to the output of the power factor correction circuit and to respective outputs of the lighting controller; a transformer, a primary winding of the transformer coupled to the output of the switching network; and at least one luminaire coupled to at least one secondary winding of the transformer and arranged to be driven by the at least one secondary winding, the lighting controller operative to control the switching network via the respective outputs to switchably pass current from the power factor correction circuit through the primary winding, thereby powering the at least one luminaire.

    Abstract translation: 一种照明装置,包括:功率因数校正电路; 以与功率因数校正电路的输出的电位相辅助的电位工作的照明控制器; 交换网络,耦合到功率因数校正电路的输出和照明控制器的相应输出; 变压器,变压器的初级绕组耦合到开关网络的输出端; 以及耦合到所述变压器的至少一个次级绕组并被布置成由所述至少一个次级绕组驱动的至少一个照明器,所述照明控制器可操作以经由所述相应输出来控制所述开关网络,以从所述功率因数校正切换电流 电路通过初级绕组,从而为至少一个照明装置供电。

    BALANCING ARRANGEMENT WITH REDUCED AMOUNT OF BALANCING TRANSFORMERS
    10.
    发明申请
    BALANCING ARRANGEMENT WITH REDUCED AMOUNT OF BALANCING TRANSFORMERS 失效
    具有减少量的平衡变压器的平衡布置

    公开(公告)号:US20090195178A1

    公开(公告)日:2009-08-06

    申请号:US12363807

    申请日:2009-02-02

    Applicant: Xiaoping JIN

    Inventor: Xiaoping JIN

    CPC classification number: H05B41/2822

    Abstract: A backlighting arrangement constituted of: a driving transformer; at least one balancing transformer; a plurality of luminaires, a first end of each of the plurality of luminaires connected to a high voltage lead of the driving transformer and a second end of each of the plurality of luminaires connected to a unique end of a winding of the at least one balancing transformer, wherein each pair of the luminaires is associated with a particular winding of one of the at least one balancing transformers, and wherein the first end and the second end of each of the luminaires is in physical proximity of the driving transformer and the at least one balancing transformer, the constituent lamps of the luminaires arranged in parallel and generally extending axially away from the proximity of the driving transformer.

    Abstract translation: 一种背光装置,包括:驱动变压器; 至少一个平衡变压器; 多个灯具,多个灯具中的每一个的第一端连接到驱动变压器的高电压引线,并且多个照明器中的每一个的第二端连接到至少一个平衡的绕组的唯一端 变压器,其中每对灯具与所述至少一个平衡变压器中的一个的特定绕组相关联,并且其中每个所述照明器的所述第一端和所述第二端物理地接近所述驱动变压器,并且至少 一个平衡变压器,灯具的组成灯平行布置并且大体上从驱动变压器的附近轴向延伸。

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