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11 条记录 (耗时 0.016 秒)

    BACKLIGHT DRIVING APPARATUS
    2.
    发明申请
    BACKLIGHT DRIVING APPARATUS 审中-公开
    背光驱动装置

    公开(公告)号：US20160309558A1

    公开(公告)日：2016-10-20

    申请号：US15191811

    申请日：2016-06-24

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG ,  Hyun Gu Kang ,  Oh Seok Kim ,  Young Eun Yang

    IPC分类号： H05B33/08 ,  G09G3/32 ,  G09G3/36

    CPC分类号： H05B33/0824 ,  G09G3/32 ,  G09G3/3696 ,  G09G2360/145 ,  H05B33/0815

    摘要： A lighting apparatus includes a light-emitting diode (LED) array, a rectifying unit configured to rectify an alternating current (AC) voltage and to generate a driving voltage for the LED array, a switch control signal generation unit configured to generate a switching control signal depending on the driving voltage, the switching control signal including connection control signals and a compensation control signal, connection changing units configured to change a connection between the LEDs according to the connection control signals, and a light output compensation unit configured to generate a compensation voltage according to the compensation control signal, and selectively supply the compensation voltage to the LED array.

    摘要翻译： 照明装置包括发光二极管（LED）阵列，整流单元，被配置为对交流电（AC）电压进行整流并产生用于LED阵列的驱动电压;开关控制信号生成单元，被配置为产生开关控制 信号取决于驱动电压，切换控制信号包括连接控制信号和补偿控制信号，连接改变单元被配置为根据连接控制信号改变LED之间的连接;以及光输出补偿单元，被配置为产生补偿 电压根据补偿控制信号，并选择性地将补偿电压提供给LED阵列。

    ILLUMINATION APPARATUS INCLUDING SEMICONDUCTOR LIGHT EMITTING DIODES
    4.
    发明申请
    ILLUMINATION APPARATUS INCLUDING SEMICONDUCTOR LIGHT EMITTING DIODES 审中-公开
    包含半导体发光二极管的照明设备

    公开(公告)号：US20150334792A1

    公开(公告)日：2015-11-19

    申请号：US14811162

    申请日：2015-07-28

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG

    IPC分类号： H05B33/08

    CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0824 ,  H05B33/0845 ,  H05B33/0848 ,  H05B37/02

    摘要： An illumination apparatus of a high efficiency light emitting element and a driving circuit of a light emitting element controlling a series and parallel connection relationship between light emitting groups according to a voltage level of a driving voltage and controlling a sequential driving of the light emitting groups at the same time.

    摘要翻译： 一种高效率发光元件的照明装置和发光元件的驱动电路，其根据驱动电压的电压电平控制发光组之间的串联和并联连接关系，并控制发光组的顺序驱动 同一时间。

    LED LUMINESCENCE APPARATUS
    5.
    发明申请
    LED LUMINESCENCE APPARATUS 有权
    LED发光装置

    公开(公告)号：US20150296582A1

    公开(公告)日：2015-10-15

    申请号：US14370021

    申请日：2012-12-28

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG ,  Hyun Gu KANG ,  Snag Wook HAN ,  Young Do JUNG

    IPC分类号： H05B33/08

    CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0812 ,  H05B33/0815 ,  H05B33/0824 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0887 ,  H05B33/089

    摘要： An LED luminescence apparatus is provided, which includes a rectifying unit rectifying an AC voltage and generating a rectified voltage; a plurality of LEDs connected in series to an output terminal of the rectifying unit; a plurality of switches having drain terminals connected to cathodes of the plurality of LEDs, respectively; and a switch control unit sensing current through a plurality of resistors connected to source terminals of the plurality of switches, respectively, comparing the sensed current with a set reference current, and outputting a voltage corresponding to a difference between the sensed current and the set reference current to a gate terminal of each of the plurality of switches.

    摘要翻译： 提供了一种LED发光装置，其包括整流单元，对AC电压进行整流并产生整流电压; 与整流单元的输出端串联连接的多个LED; 多个开关，其漏极端子分别与多个LED的阴极连接; 以及开关控制单元，分别通过连接到所述多个开关的源极端子的多个电阻器感测电流，将所感测的电流与设定的参考电流进行比较，并且输出与所感测的电流和所设置的基准值之间的差值相对应的电压 电流到多个开关中的每一个的栅极端子。

    LED DRIVING APPARATUS AND DRIVING METHOD FOR CONTINUOUSLY DRIVING LED
    6.
    发明申请
    LED DRIVING APPARATUS AND DRIVING METHOD FOR CONTINUOUSLY DRIVING LED 审中-公开
    LED驱动装置和连续驱动LED的驱动方法

    公开(公告)号：US20160270168A1

    公开(公告)日：2016-09-15

    申请号：US15160469

    申请日：2016-05-20

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG ,  Hyun Gu KANG ,  Sang Wook HAN

    IPC分类号： H05B33/08

    CPC分类号： H05B33/0812 ,  H05B33/0824 ,  H05B33/0842 ,  H05B33/0884

    摘要： A light-emitting diode (LED) driving apparatus includes a rectifying module configured to rectify an alternating current voltage and output a first driving voltage, an LED light emitting module including a first LED group, and a second LED group to an n-th LED group, and configured to receive the first driving voltage from the rectifying module, n being a positive integer of two or more, an LED driving module configured to sequentially drive the first LED group to the n-th LED group according to a voltage level of the first driving voltage, and a second driving voltage providing module connected in parallel to at least one LED group of the second LED group to the n-th LED group.

    摘要翻译： 发光二极管（LED）驱动装置包括：整流模块，被配置为对第一驱动电压进行整流，将第一LED组和第二LED组的LED发光模块输出到第n个LED 并且被配置为从整流模块接收第一驱动电压，n是两个或更多的正整数，LED驱动模块被配置为根据第一LED组的电压电平顺序地驱动第一LED组到第n个LED组 第一驱动电压和与第二LED组的至少一个LED组并联连接到第n个LED组的第二驱动电压提供模块。

    LED LIGHTING APPARATUS AND LED DRIVING CIRCUIT THEREOF
    8.
    发明申请
    LED LIGHTING APPARATUS AND LED DRIVING CIRCUIT THEREOF 审中-公开

    公开(公告)号：US20200375001A1

    公开(公告)日：2020-11-26

    申请号：US16879721

    申请日：2020-05-20

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG ,  Keith HOPWOOD

    IPC分类号： H05B45/375 ,  H03K5/24 ,  H05B45/44 ,  H05B45/20

    摘要： An LED lighting apparatus including a rectifier to rectify AC voltages having different magnitudes and generate driving voltages corresponding to rectified voltages, a buck converter connected to an output terminal of the rectifier and generate an LED driving current corresponding to the driving voltages, a variable reference voltage comparator to receive the driving voltages, and generate variable reference voltages that fluctuate in correspondence to magnitudes of the output driving voltages, compare the driving voltages and the variable reference voltages, and output signals for controlling an operation of the buck converter, an LED including at least one LED group and driven by the LED driving current generated by the buck converter, and a controller including a converter controller to control the operation of the buck converter and a constant current controller to constant current-control the LED driving current applied to the at least one LED group.

    LED LUMINESCENCE APPARATUS
    9.
    发明申请
    LED LUMINESCENCE APPARATUS 审中-公开
    LED发光装置

    公开(公告)号：US20170041991A1

    公开(公告)日：2017-02-09

    申请号：US15296836

    申请日：2016-10-18

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Hye Man JUNG ,  Hyun Gu KANG ,  Snag Wook HAN ,  Young Do JUNG

    IPC分类号： H05B33/08

    CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0812 ,  H05B33/0815 ,  H05B33/0824 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0887 ,  H05B33/089

    摘要： An LED luminescence apparatus is provided, which includes a rectifying unit rectifying an AC voltage and generating a rectified voltage; a plurality of LEDs connected in series to an output terminal of the rectifying unit; a plurality of switches having drain terminals connected to cathodes of the plurality of LEDs, respectively; and a switch control unit sensing current through a plurality of resistors connected to source terminals of the plurality of switches, respectively, comparing the sensed current with a set reference current, and outputting a voltage corresponding to a difference between the sensed current and the set reference current to a gate terminal of each of the plurality of switches.

    摘要翻译： 提供了一种LED发光装置，其包括整流单元，对AC电压进行整流并产生整流电压; 与整流单元的输出端串联连接的多个LED; 多个开关，其漏极端子分别与多个LED的阴极连接; 以及开关控制单元，分别通过连接到所述多个开关的源极端子的多个电阻器感测电流，将所感测的电流与设定的参考电流进行比较，并且输出与所感测的电流和所设置的基准值之间的差值相对应的电压 电流到多个开关中的每一个的栅极端子。

    LED DRIVING CIRCUIT USING DOUBLE BRIDGE DIODE AND LED ILLUMINATION DEVICE COMPRISING SAME
    10.
    发明申请
    LED DRIVING CIRCUIT USING DOUBLE BRIDGE DIODE AND LED ILLUMINATION DEVICE COMPRISING SAME 有权
    使用双桥二极管的LED驱动电路和包含其的LED照明装置

    公开(公告)号：US20160050731A1

    公开(公告)日：2016-02-18

    申请号：US14778889

    申请日：2014-03-13

    申请人： SEOUL SEMICONDUCTOR CO., LTD.

    发明人： Hye Man JUNG

    IPC分类号： H05B33/08

    CPC分类号： H05B33/0824 ,  H05B33/0809 ,  H05B33/0812 ,  H05B33/083 ,  Y02B20/348

    摘要： According to the present invention, provided is an LED driving circuit comprising: a first rectification module, connected to an alternating current power source, for full-wave rectifying an applied alternating current voltage and for supplying a first rectification voltage which has been full-wave rectified to an LED light emitting module as a first driving voltage; and a second driving voltage supply module, connected to the alternating current power source in parallel with the first rectification module, for full-wave rectifying an applied alternating current voltage to generate a second rectification voltage, for charging energy using the generated second rectification voltage at a charging section, and for supplying a second driving voltage to the LED light emitting module at a compensating section.

    摘要翻译： 根据本发明，提供一种LED驱动电路，包括：第一整流模块，连接到交流电源，用于对所施加的交流电压进行全波整流，并提供已经是全波的第一整流电压 整流到LED发光模块作为第一驱动电压; 以及第二驱动电压供给模块，其与所述第一整流模块并联连接到所述交流电源，以对所施加的交流电压进行全波整流，以产生第二整流电压，以使用所产生的第二整流电压 充电部分，并且用于在补偿部分向LED发光模块提供第二驱动电压。