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131 条记录 (耗时 0.025 秒)

    DC-DC converter
    71.
    发明授权
    DC-DC converter 有权
    DC-DC转换器

    公开(公告)号：US07332897B2

    公开(公告)日：2008-02-19

    申请号：US11188154

    申请日：2005-07-22

    申请人： Sang-Gil Lee ,  Jong-Seo Lee ,  Gi-Cherl Kim ,  Sang-Yu Lee

    发明人： Sang-Gil Lee ,  Jong-Seo Lee ,  Gi-Cherl Kim ,  Sang-Yu Lee

    IPC分类号： G05F1/613 ,  G05F3/16

    CPC分类号： H02M3/158 ,  H05B41/28

    摘要： A DC-DC converter includes a main inductor connected to an input voltage, a main switching element connected in series to the main inductor, a main diode connected to the main inductor and a load, and a main capacitor connected to the main diode and the load, the DC-DC converter changing the input voltage to output a changed input voltage as an output voltage. The DC-DC converter further includes an oscillator connected between the main inductor and the main diode, an auxiliary switching element connected to the oscillator, the auxiliary switching element changing an operation state based on an externally applied control signal to control the oscillator, and a diode unit connected to the oscillator and the auxiliary switching element and controlling current flow based on operations of the oscillator and the auxiliary switching element to change the output voltage. The main switching element and the main diode are to be zero voltage switching or zero current switching in accordance with the operations of the oscillator and the auxiliary switching element.

    摘要翻译： DC-DC转换器包括连接到输入电压的主电感器，与主电感器串联连接的主开关元件，连接到主电感器的主二极管和负载，以及连接到主二极管的主电容器和 DC-DC转换器改变输入电压以输出改变的输入电压作为输出电压。 DC-DC转换器还包括连接在主电感器和主二极管之间的振荡器，连接到振荡器的辅助开关元件，辅助开关元件基于外部施加的控制信号改变操作状态以控制振荡器，以及 二极管单元连接到振荡器和辅助开关元件，并且基于振荡器和辅助开关元件的操作来控制电流流动以改变输出电压。 主开关元件和主二极管根据振荡器和辅助开关元件的操作为零电压开关或零电流开关。

    Backlight assembly and display device having the same
    72.
    发明申请
    Backlight assembly and display device having the same 失效
    具有相同的背光组件和显示装置

    公开(公告)号：US20070046617A1

    公开(公告)日：2007-03-01

    申请号：US11488357

    申请日：2006-07-18

    申请人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Joo-Woan Cho

    发明人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Joo-Woan Cho

    IPC分类号： G09G3/36

    CPC分类号： G02F1/133608 ,  G02F2001/133628

    摘要： A backlight assembly includes a light-generating unit, a heat-radiation member, a first receiving container, and a second receiving container. The heat-radiation member is disposed under the light-generating unit and radiates heat generated by the light-generating unit. The first receiving container is composed of a bottom portion and side portion extended from the bottom portion. The first receiving container has an opening formed through partial removal of the bottom portion so that the heat-radiation member received inside is exposed. The second receiving container is disposed under the first receiving container. An air layer is formed in between the first and second receiving containers.

    摘要翻译： 背光组件包括发光单元，散热构件，第一接收容器和第二接收容器。 散热构件设置在发光单元的下方，并且辐射由发光单元产生的热量。 第一接收容器由底部和从底部延伸的侧部组成。 第一接收容器具有通过部分去除底部而形成的开口，从而暴露在内部的散热构件。 第二接收容器设置在第一接收容器的下方。 空气层形成在第一和第二接收容器之间。

    Method of driving a light source, light source device for performing the same, and display device having the light source device
    74.
    发明授权
    Method of driving a light source, light source device for performing the same, and display device having the light source device 有权
    驱动光源的方法，用于执行该光源的光源装置和具有该光源装置的显示装置

    公开(公告)号：US08363004B2

    公开(公告)日：2013-01-29

    申请号：US12352255

    申请日：2009-01-12

    申请人： Byoung-Dae Ye ,  Byung-Choon Yang ,  Gi-Cherl Kim

    发明人： Byoung-Dae Ye ,  Byung-Choon Yang ,  Gi-Cherl Kim

    IPC分类号： G09G3/36 ,  H05B37/02

    CPC分类号： G09G3/006 ,  G09G3/3406 ,  G09G3/3648 ,  G09G2330/08

    摘要： A method of driving light sources controls amounts of light from light-emitting diode (LED) strings based on pulse signals to operate the LED strings connected in parallel. Voltages are synchronized with the pulse signals at input terminals of control circuits to detect the voltages, the control circuits being connected to the LED strings and controlling resistance variations of the LED strings. The operation of the LED strings is stopped when the detected voltage is out of a predetermined allowable voltage range due to a short-circuited LED. Therefore, a light source device may be protected by stopping the operation of the LED strings.

    摘要翻译： 驱动光源的方法基于脉冲信号来控制来自发光二极管（LED）串的光量，以操作并联连接的LED串。 电压与控制电路输入端的脉冲信号同步，以检测电压，控制电路连接到LED串并控制LED串的电阻变化。 当检测到的电压由于短路LED而在预定的允许电压范围之外时，LED串的操作停止。 因此，可以通过停止LED串的操作来保护光源装置。

    Light source driving apparatus and light source apparatus having the same
    76.
    发明授权
    Light source driving apparatus and light source apparatus having the same 有权
    光源驱动装置及具有该光源驱动装置的光源装置

    公开(公告)号：US08198822B2

    公开(公告)日：2012-06-12

    申请号：US12496772

    申请日：2009-07-02

    申请人： Sang-Chul Byun ,  Gi-Cherl Kim ,  Byung-Choon Yang ,  Byoung-Dae Ye

    发明人： Sang-Chul Byun ,  Gi-Cherl Kim ,  Byung-Choon Yang ,  Byoung-Dae Ye

    IPC分类号： H05B41/36 ,  H05B43/00 ,  H05B37/02

    CPC分类号： H05B33/0815 ,  G09G3/3406 ,  Y02B20/341

    摘要： A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a boosting transistor which controls an operation of the boosting part, a rectification part connected between the boosting part and an output part and which transmits the driving voltage to the output part, an integrated circuit which generates a gate signal which controls the boosting transistor, and a protection circuit which generates a protection signal which controls a voltage level of the gate signal according to an output current of the boosting transistor.

    摘要翻译： 光源驱动装置包括： 升压部，其升高从输入部接收的输入电压并产生驱动电压;升压晶体管，其控制所述升压部的动作;整流部，连接在所述升压部和所述输出部之间，并将所述驱动电压传递至 输出部分，产生控制升压晶体管的栅极信号的集成电路，以及产生保护信号的保护电路，该保护信号根据升压晶体管的输出电流来控制栅极信号的电压电平。

    Light-source module for display device and display device having the same
    77.
    发明授权
    Light-source module for display device and display device having the same 有权
    用于显示装置的光源模块和具有该光源模块的显示装置

    公开(公告)号：US07999785B2

    公开(公告)日：2011-08-16

    申请号：US12166506

    申请日：2008-07-02

    申请人： Byoung-Dae Ye ,  Gi-Cherl Kim ,  Eui-Jeong Kang

    发明人： Byoung-Dae Ye ,  Gi-Cherl Kim ,  Eui-Jeong Kang

    IPC分类号： G09G3/36

    CPC分类号： G09G3/342 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2320/0693 ,  H05B33/0815 ,  H05B33/0827

    摘要： A light-source module for a display device and a display device having the same, in which the light-source module includes a plurality of light-emitting units, a current difference controller, and a converter. The light-emitting units are connected in parallel between a driving power input terminal and a ground terminal to emit light by the diving power and to output respective feedback control signals. The current difference controller is configured to output a plurality of power control signals according to the respective feedback control signals. The converter is configured to change a current of the driving power provided to the light-emitting units according to the power control signals. The amounts of currents flowing through the light emitting units each having a plurality of light emitting diodes are measured and the levels of voltages applied to the light-emitting units are changed according to the measurement results. Accordingly, a current difference between the light emitting units can be reduced and the brightness uniformity of the light source can be improved.

    摘要翻译： 一种用于显示装置的光源模块及具有该光源模块的显示装置，其中光源模块包括多个发光单元，电流差分控制器和转换器。 发光单元并联连接在驱动电源输入端子和接地端子之间，由潜水电力发光，并输出各个反馈控制信号。 电流差分控制器被配置为根据各个反馈控制信号输出多个功率控制信号。 转换器被配置为根据功率控制信号改变提供给发光单元的驱动电力的电流。 测量流过具有多个发光二极管的发光单元的电流量，并且根据测量结果改变施加到发光单元的电压的电平。 因此，可以降低发光单元之间的电流差，并且可以提高光源的亮度均匀性。

    Backlight assembly and display device having the same
    80.
    发明授权
    Backlight assembly and display device having the same 失效
    具有相同的背光组件和显示装置

    公开(公告)号：US07661869B2

    公开(公告)日：2010-02-16

    申请号：US11488357

    申请日：2006-07-18

    申请人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Joo-Woan Cho

    发明人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Joo-Woan Cho

    IPC分类号： F21V7/04

    CPC分类号： G02F1/133608 ,  G02F2001/133628

    摘要： A backlight assembly includes a light-generating unit, a heat-radiation member, a first receiving container, and a second receiving container. The heat-radiation member is disposed under the light-generating unit and radiates heat generated by the light-generating unit. The first receiving container is composed of a bottom portion and side portion extended from the bottom portion. The first receiving container has an opening formed through partial removal of the bottom portion so that the heat-radiation member received inside is exposed. The second receiving container is disposed under the first receiving container. An air layer is formed in between the first and second receiving containers.

    摘要翻译： 背光组件包括发光单元，散热构件，第一接收容器和第二接收容器。 散热构件设置在发光单元的下方，并且辐射由发光单元产生的热量。 第一接收容器由底部和从底部延伸的侧部组成。 第一接收容器具有通过部分去除底部而形成的开口，从而暴露在内部的散热构件。 第二接收容器设置在第一接收容器的下方。 空气层形成在第一和第二接收容器之间。