专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08867239B2 Power supply device and method of controlling the same by using an adjustable power factor corrector 有权
标题翻译：电源装置及其可调功率因数校正器的控制方法
公开(公告)号：US08867239B2
公开(公告)日：2014-10-21
申请号：US12534972
申请日：2009-08-04
申请人： Sung-yong Joo , Hyo-soon Choi
发明人： Sung-yong Joo , Hyo-soon Choi
IPC分类号： H02M7/68 , H02M1/42 , H02M1/36 , H02M3/335
CPC分类号： H02M3/33523 , H02M1/36 , H02M1/4208 , Y02B70/126 , Y10T307/615
摘要： Provided are a power supply device and a method of controlling the same. The power supply device includes: a power factor corrector which corrects a power factor of an initial power; a standby power supply unit which is connected to the power factor corrector, the standby power supply unit including a transformer which converts an input power received from the power factor corrector; a sensor which detects a level of an induced power corresponding to the input power; and a power supply controller which determines whether the level of the induced power exceeds a critical value, activates the power factor corrector to correct the power factor of the initial power if the level of the induced power exceeds the critical value, and supplies a driving power to the system based on the level of the induced power.
摘要翻译：提供一种电源装置及其控制方法。电源装置包括：功率因数校正器，其校正初始功率的功率因数; 备用电源单元，连接到所述功率因数校正器，所述备用电源单元包括变换器，所述变压器转换从所述功率因数校正器接收的输入功率; 传感器，其检测与所述输入功率相对应的感应功率的电平; 以及电源控制器，其确定感应功率的电平是否超过临界值，如果感应功率的电平超过临界值，则激活功率因数校正器来校正初始功率的功率因数，并且提供驱动功率以系统为基础的感应功率水平。

2. 发明授权

US08531125B2 Backlight assembly, and display apparatus and television comprising the same 有权
标题翻译：背光组件，以及包括其的显示装置和电视机
公开(公告)号：US08531125B2
公开(公告)日：2013-09-10
申请号：US12887713
申请日：2010-09-22
申请人： Tae-sung Kim , Young-deok Choi , Hyo-soon Choi
发明人： Tae-sung Kim , Young-deok Choi , Hyo-soon Choi
IPC分类号： H05B41/16 , G05F1/00
CPC分类号： H05B33/0818 , G09G3/3406 , G09G2320/064 , G09G2330/02
摘要： A backlight assembly including: a power unit which outputs a current whose polarity is changed on a regular basis; a plurality of balancing units which is connected in parallel to the power unit; a plurality of light emitting diode (LED) modules each of which individually receives each current output by a corresponding balancing unit of the plurality of balancing units; and a driver which is connected between the plurality of balancing units and the plurality of LED modules, and forms a current route for each balancing unit included in the plurality of balancing units to balance a current supplied to two different LED modules during a single period where a polarity of a current output by the power unit is changed.
摘要翻译：一种背光组件，包括：功率单元，其输出极性被定期改变的电流; 多个平行单元，其与所述动力单元并联连接; 多个发光二极管（LED）模块，其各自单独地接收由所述多个平衡单元中的对应的平衡单元的每个电流输出; 以及连接在所述多个平衡单元和所述多个LED模块之间的驱动器，并且为包括在所述多个平衡单元中的每个平衡单元形成当前路线，以平衡在单个周期期间提供给两个不同LED模块的电流，改变由电力单元输出的电流的极性。

3. 发明授权

US08569954B2 Luminescence driving apparatus, display apparatus, and driving method thereof 有权
标题翻译：发光驱动装置，显示装置及其驱动方法
公开(公告)号：US08569954B2
公开(公告)日：2013-10-29
申请号：US13053754
申请日：2011-03-22
申请人： Jeong-il Kang , Gil-yong Chang , Young-deok Choi , Hyo-soon Choi
发明人： Jeong-il Kang , Gil-yong Chang , Young-deok Choi , Hyo-soon Choi
IPC分类号： H05B39/10
CPC分类号： H05B33/089 , Y02B20/341
摘要： A luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus drives a plurality of light-emitting units and includes: a voltage sensor which senses internal voltages of the plurality of light-emitting units; a current sensor which senses internal currents of the plurality of light-emitting units; a sensing signal generator which receives the internal voltages of the plurality of light-emitting units from the voltage sensor to generate an overvoltage sensing signal; a controller which, if it is determined that an overvoltage state has occurred, according to a level of the overvoltage sensing signal, searches for at least one of the plurality of light-emitting units in which the overvoltage state has occurred, according to levels of the internal currents sensed by the current sensor; and a protector which performs an overvoltage protection (OVP) operation with respect to the searched light-emitting unit.
摘要翻译：提供了发光驱动装置，显示装置及其驱动方法。发光驱动装置驱动多个发光单元，包括：感测多个发光单元的内部电压的电压传感器; 感测多个发光单元的内部电流的电流传感器; 感测信号发生器，其从所述电压传感器接收所述多个发光单元的内部电压，以产生过电压感测信号; 控制器，如果根据过电压感测信号的电平确定已经发生过电压状态，则根据其中发生过电压状态的多个发光单元中的至少一个，根据由电流传感器感测的内部电流; 以及对搜索到的发光单元执行过电压保护（OVP）操作的保护器。

4. 发明授权

US08824181B2 Apparatus and method for a switch mode power supply configured to reduce standby power consumption 有权
标题翻译：用于开关模式电源的装置和方法，其被配置为减少待机功耗
公开(公告)号：US08824181B2
公开(公告)日：2014-09-02
申请号：US13181118
申请日：2011-07-12
申请人： Hyo-soon Choi , Gil-yong Chang
发明人： Hyo-soon Choi , Gil-yong Chang
IPC分类号： H02M7/217
CPC分类号： H02M3/335 , H02M2001/0032 , Y02B70/16
摘要： A switch mode power supply (SMPS) is capable of reducing standby power consumption, and includes a power factor capacitor (PFC) bulk capacitor which supplies power in a standby mode to constant loads by repeatedly charging and discharging a voltage, a PFC controller which controls the voltage to be charged in the PFC bulk capacitor, a first resistor and a second resistor which divide the voltage of the PFC bulk capacitor and output a reference voltage, and a control unit which controls the charging and discharging of the voltage of the PFC bulk capacitor in accordance with the reference voltage.
摘要翻译：开关模式电源（SMPS）能够降低待机功耗，并且包括功率因数电容器（PFC）大容量电容器，其通过重复地对电压进行放电，在待机模式下为恒定负载供电;控制PFC控制器在PFC大容量电容器中要充电的电压，第一电阻器和第二电阻器，其分压PFC大容量电容器的电压并输出参考电压;以及控制单元，其控制PFC体积的电压的充电和放电电容器根据参考电压。

5. 发明授权

US08680786B2 Method and apparatus for common use of power supply and display apparatus using the same 失效
标题翻译：用于电源的通用方法和装置以及使用其的显示装置
公开(公告)号：US08680786B2
公开(公告)日：2014-03-25
申请号：US13185947
申请日：2011-07-19
申请人： Hyo-soon Choi , Jeong-il Kang
发明人： Hyo-soon Choi , Jeong-il Kang
IPC分类号： G05F1/00
CPC分类号： H05B33/0815 , G09G3/3406 , G09G2330/02 , H05B33/0848
摘要： An apparatus and a method for common use of a power supply and a display apparatus using the same are provided. The display apparatus includes a display panel, a backlight unit which provides backlight to the display panel, and a power supply unit for common use which comprises an adjusting circuit unit comprising a plurality of resistances, and provides a current of a magnitude corresponding to a combination state of the plurality of resistances to the backlight unit. Accordingly, the power supply apparatus for common use adjusts an output current easily and is commonly used for diverse display apparatuses, and thus a manufacturing process is efficiently improved.
摘要翻译：提供了一种用于电源的常用的装置和方法以及使用该电源的显示装置。显示装置包括显示面板，向显示面板提供背光的背光单元和用于常用的电源单元，其包括包括多个电阻的调整电路单元，并且提供与组合相对应的大小的电流对背光单元的多个电阻的状态。因此，通常使用的电源装置容易地调节输出电流，并且通常用于各种显示装置，因此有效地提高了制造工艺。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式