公开(公告)号：US20090195169A1

公开(公告)日：2009-08-06

申请号：US12236262

申请日：2008-09-23

申请人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Ching-Chi Cheng ,  Po-Yi Lee

发明人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Ching-Chi Cheng ,  Po-Yi Lee

IPC分类号： H05B37/02

CPC分类号： H05B33/0851

摘要： The present invention provides a power supply circuit for driving multiple sets of DC loads. The power supply circuit includes a current providing circuit, a sharing circuit and a current control unit. The current providing circuit receives and regulates a supply voltage into specified output currents to be supplied to the multiple sets of DC loads. The sharing circuit is connected in series with output terminals of the current providing circuit and the multiple sets of DC loads. The sharing circuit includes at least one coupling inductor member for performing equal current sharing among the multiple sets of DC loads. The current control unit is connected to the current providing circuit and the multiple sets of DC loads for detecting magnitudes of the current passing through the multiple sets of DC loads and controlling the output currents from the current providing circuit.

摘要翻译： 本发明提供一种用于驱动多组DC负载的电源电路。 电源电路包括电流提供电路，共享电路和电流控制单元。 电流提供电路将电源电压接收并调节到指定的输出电流以供应给多组DC负载。 共享电路与电流提供电路的输出端子和多组DC负载串联连接。 共享电路包括用于在多组DC负载之间执行相等的电流共享的至少一个耦合电感器构件。 电流控制单元连接到电流提供电路和多组DC负载，用于检测通过多组DC负载的电流的大小，并控制来自电流提供电路的输出电流。

公开(公告)号：US20090153076A1

公开(公告)日：2009-06-18

申请号：US12036945

申请日：2008-02-25

申请人： Chung-Tsai Huang ,  Ching-Chi Cheng ,  Po-Yi Lee ,  Shang-Jin Yan

发明人： Chung-Tsai Huang ,  Ching-Chi Cheng ,  Po-Yi Lee ,  Shang-Jin Yan

IPC分类号： H05B41/36

CPC分类号： H05B33/089 ,  H05B33/0803 ,  H05B33/0818 ,  H05B33/0821 ,  H05B33/0854 ,  Y02B20/346

摘要： The present invention relates to a driving circuit for driving one or multiple LED chip sets. The driving circuit includes a power converting circuit, one or multiple switching elements, and a controller. The power converting circuit is electrically connected to the one or multiple LED chip sets for receiving an input power and converting the input power into a regulated output voltage or current required for illuminating the one or multiple LED chip sets. The one or multiple switching elements electrically connected to the one or multiple LED chip sets. The controller is electrically connected to the switching elements for controlling alternate or combined simultaneous/alternate switching on/off statuses of the one or multiple switching elements, so that the one or multiple LED chip sets emit light in an alternate lighting manner or a combined simultaneous/alternate lighting manner to reduce the operating temperatures of the one or multiple LED chip sets.

摘要翻译： 本发明涉及驱动一个或多个LED芯片组的驱动电路。 驱动电路包括功率转换电路，一个或多个开关元件和控制器。 电力转换电路电连接到一个或多个LED芯片组，用于接收输入功率，并将输入功率转换成照明一个或多个LED芯片组所需的稳定输出电压或电流。 一个或多个开关元件电连接到一个或多个LED芯片组。 控制器电连接到开关元件，用于控制一个或多个开关元件的交替或并联的同时/交替的开/关状态，使得一个或多个LED芯片组以交替的照明方式或组合的同时发光 /交替照明方式，以降低一个或多个LED芯片组的工作温度。

公开(公告)号：US20090152569A1

公开(公告)日：2009-06-18

申请号：US12037271

申请日：2008-02-26

申请人： Ching-Chi Cheng ,  Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

发明人： Ching-Chi Cheng ,  Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

IPC分类号： H01L25/075

CPC分类号： H05B33/0854 ,  H01L25/0753 ,  H01L25/167 ,  H01L2924/0002 ,  H01L2924/00

摘要： The present invention relates to a LED module with a reduced operating temperature. The LED module includes a substrate, a plurality of LED chips, a carrier and an encapsulant layer. These LED chips are disposed on the substrate and electrically connected to the substrate and are divided into a first LED chip set and a second LED chip set. The carrier is coupled to the substrate and has a driving circuit. The driving circuit is electrically connected to the plurality of LED chips for driving operations of the plurality of LED chips. The first LED chip set and the second LED chip set emit light in an alternate lighting manner or in a combined simultaneous/alternate lighting manner so as to reduce the operating temperature of the LED module. The encapsulant layer covers the plurality of LED chips, the substrate and the carrier having the driving circuit.

摘要翻译： 本发明涉及具有降低的工作温度的LED模块。 LED模块包括基板，多个LED芯片，载体和密封剂层。 这些LED芯片设置在基板上并电连接到基板，并被分为第一LED芯片组和第二LED芯片组。 载体耦合到衬底并具有驱动电路。 驱动电路电连接到多个LED芯片，用于驱动多个LED芯片的操作。 第一LED芯片组和第二LED芯片组以交替的照明方式或组合的同时/交替点亮方式发光，以便降低LED模块的工作温度。 封装层覆盖多个LED芯片，衬底和载体具有驱动电路。

公开(公告)号：US20100308352A1

公开(公告)日：2010-12-09

申请号：US12621639

申请日：2009-11-19

申请人： CHUN-YING LIAO ,  Ching-Chi Cheng

发明人： CHUN-YING LIAO ,  Ching-Chi Cheng

IPC分类号： H01L33/00

CPC分类号： H01L25/167 ,  H01L33/486 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/3025 ,  H01L2924/00014 ,  H01L2924/00

摘要： A carrier structure for mounting at least an LED chip includes at least a lead and a base. The LED chip housed inside the base is coupled parallel with an electronic element. The lead is connected electrically to the LED chip at one end, while another end is exposed to the atmosphere. The base encaving the lead further has a shallow accommodation room to mount the electronic element at a surface not the same with the surface that mounts the LED chip.

摘要翻译： 用于安装至少LED芯片的载体结构至少包括引线和基极。 容纳在基座内的LED芯片与电子元件平行地耦合。 引线在一端与LED芯片电连接，另一端暴露在大气中。 插入引线的基座还具有浅的容纳室，以将电子元件安装在与安装LED芯片的表面不相同的表面上。

公开(公告)号：US20080142832A1

公开(公告)日：2008-06-19

申请号：US11954679

申请日：2007-12-12

申请人： Chih-Ming Chen ,  Deng-Huei Hwang ,  Ching-Chi Cheng ,  An-Nong Wen

发明人： Chih-Ming Chen ,  Deng-Huei Hwang ,  Ching-Chi Cheng ,  An-Nong Wen

IPC分类号： H01L33/00

CPC分类号： H01L33/62 ,  H01L33/486 ,  H01L2924/0002 ,  H05K3/3442 ,  H01L2924/00

摘要： A side-view optical diode package is mounted on a printed circuit board with at least a solder bump. The side-view optical diode package includes a silicon substrate, a holding space, a bonding surface and a positioning structure. The silicon substrate has a first surface and a second surface. The holding space has a top opening in the first surface and a bottom for holding an optical diode thereon. The bonding surface is disposed at a lateral side of the silicon substrate and bonded onto the printed circuit board. The positioning structure has at least a solder-receiving portion beside the bonding surface and corresponding to the solder bump. The solder bump is molten during a soldering process and received in the solder-receiving portion, thereby facilitating positioning the silicon substrate on the printed circuit board.

摘要翻译： 侧视光二极管封装安装在至少具有焊料凸块的印刷电路板上。 侧视光二极管封装包括硅衬底，保持空间，接合表面和定位结构。 硅衬底具有第一表面和第二表面。 保持空间在第一表面具有顶部开口，在其上具有用于保持光二极管的底部。 接合表面设置在硅衬底的侧面并且结合到印刷电路板上。 该定位结构在接合面的至少一侧具有焊料接收部，与焊料凸块对应。 焊锡凸块在焊接过程中熔化并被接收在焊料接收部分中，从而便于将硅衬底定位在印刷电路板上。

公开(公告)号：US08427065B2

公开(公告)日：2013-04-23

申请号：US13246223

申请日：2011-09-27

申请人： Ching-Chi Cheng

发明人： Ching-Chi Cheng

IPC分类号： H05B41/16

CPC分类号： H05B33/0812 ,  H05B33/0845 ,  Y02B20/345

摘要： A driving circuit for light emitting elements comprises a rectifying unit, a first constant current unit, a first driving transistor, a first voltage control unit and at least one first light emitting element. The rectifying unit has a first terminal and a second terminal, is connected to an external power source that provides alternating current power that is sinusoidal and has alternating negative and positive segments, inverts the negative segments of the AC power to positive segments and forms a pulsating direct current voltage. The first constant current unit has a first end and a second end. The first driving transistor comprises a first gate, a first drain and a first source. The first voltage control unit comprises a first variable resistor and a first bias control element. The first light emitting element has a first end and a second end.

摘要翻译： 用于发光元件的驱动电路包括整流单元，第一恒流单元，第一驱动晶体管，第一电压控制单元和至少一个第一发光元件。 整流单元具有第一端子和第二端子，连接到外部电源，该外部电源提供正弦曲线并具有交替的负极和正段的交流电力，将交流电源的负段转换为正段，并形成脉动 直流电压。 第一恒定电流单元具有第一端和第二端。 第一驱动晶体管包括第一栅极，第一漏极和第一源极。 第一电压控制单元包括第一可变电阻器和第一偏置控制元件。 第一发光元件具有第一端和第二端。

公开(公告)号：US08526149B2

公开(公告)日：2013-09-03

申请号：US13086904

申请日：2011-04-14

申请人： Ching-Chi Cheng ,  Wen-Hsiang Chien

发明人： Ching-Chi Cheng ,  Wen-Hsiang Chien

IPC分类号： H02H9/00

CPC分类号： H02H9/025

摘要： A limiting current circuit that has output short circuit protection is connected to an external voltage source and comprises an output terminal, an input current unit, a driving transistor, a voltage control resistor, a voltage control transistor and a delay unit. The output terminal is connected to a load and has an output current. The driving transistor has an internal resistance, a drain current and a gate voltage. The voltage control resistor has a resistor voltage. The voltage control transistor has an internal resistance and a parasitic capacitance. The delay unit makes the resistor voltage charging the parasitic capacitance to extend the period of lower internal resistance of the voltage control transistor and the period of higher internal resistance of the driving transistor, makes the internal resistance of the voltage control transistor is less than the internal resistance of the driving transistor when the load is shorted.

摘要翻译： 具有输出短路保护的极限电流电路连接到外部电压源，包括输出端子，输入电流单元，驱动晶体管，电压控制电阻器，电压控制晶体管和延迟单元。 输出端子连接到负载并具有输出电流。 驱动晶体管具有内部电阻，漏极电流和栅极电压。 电压控制电阻具有电阻电压。 电压控制晶体管具有内部电阻和寄生电容。 延迟单元使电阻器对寄生电容进行充电，以延长电压控制晶体管的内部电阻较低的周期和驱动晶体管内部电阻较高的周期，使得电压控制晶体管的内部电阻小于内部 负载短路时驱动晶体管的电阻。

公开(公告)号：US08410710B2

公开(公告)日：2013-04-02

申请号：US12893397

申请日：2010-09-29

申请人： Ching-Chi Cheng ,  Chung-Hung Yu

发明人： Ching-Chi Cheng ,  Chung-Hung Yu

IPC分类号： H05B41/24 ,  H05B39/02

CPC分类号： H05B33/0824 ,  H05B33/0821 ,  H05B33/083 ,  Y02B20/341

摘要： The invention provides a light emitting device driving circuit, comprising a rectification unit, a current limiting unit and a load. The load comprises a first light emitting device, a reverse voltage providing unit and a second light emitting device connected in serial. When the rectification unit rectifies an alternate current voltage to output a direct current voltage, and the current limiting unit limits the direct current in a predetermined value, the direct current is provided to the first light emitting device or the second light emitting device for operation. The reverse voltage providing unit provides a reverse voltage to reduce the total operating voltage of the light emitting devices in order to enhance the driving efficiency and the power factor.

摘要翻译： 本发明提供了一种发光器件驱动电路，包括整流单元，限流单元和负载。 负载包括串联连接的第一发光器件，反向电压提供单元和第二发光器件。 当整流单元整流交流电压以输出直流电压时，限流单元限制直流电流达预定值，直流电被提供给第一发光装置或第二发光装置进行操作。 反向电压提供单元提供反向电压以降低发光器件的总工作电压，以便提高驱动效率和功率因数。

公开(公告)号：US20120019163A1

公开(公告)日：2012-01-26

申请号：US12893397

申请日：2010-09-29

申请人： Ching-Chi Cheng ,  Chung-Hung Yu

发明人： Ching-Chi Cheng ,  Chung-Hung Yu

IPC分类号： H05B37/02

CPC分类号： H05B33/0824 ,  H05B33/0821 ,  H05B33/083 ,  Y02B20/341

摘要： The invention provides a light emitting device driving circuit, comprising a rectification unit, a current limiting unit and a load. The load comprises a first light emitting device, a reverse voltage providing unit and a second light emitting device connected in serial. When the rectification unit rectifies an alternate current voltage to output a direct current voltage, and the current limiting unit limits the direct current in a predetermined value, the direct current is provided to the first light emitting device or the second light emitting device for operation. The reverse voltage providing unit provides a reverse voltage to reduce the total operating voltage of the light emitting devices in order to enhance the driving efficiency and the power factor.

摘要翻译： 本发明提供了一种发光器件驱动电路，包括整流单元，限流单元和负载。 负载包括串联连接的第一发光器件，反向电压提供单元和第二发光器件。 当整流单元整流交流电压以输出直流电压时，限流单元限制直流电流达预定值，直流电被提供给第一发光装置或第二发光装置进行操作。 反向电压提供单元提供反向电压以降低发光器件的总工作电压，以便提高驱动效率和功率因数。

公开(公告)号：US20110031955A1

公开(公告)日：2011-02-10

申请号：US12715535

申请日：2010-03-02

申请人： Ching-Chi Cheng ,  Wen-Hsiang Chien

发明人： Ching-Chi Cheng ,  Wen-Hsiang Chien

IPC分类号： G05F3/16

CPC分类号： G05F3/16 ,  H05B33/0812 ,  Y02B20/345

摘要： A constant current device in accordance with the present invention is connected to an external voltage source and comprises an input unit, a driving transistor and a voltage control unit. The input unit is connected to the external voltage source. The driving transistor is used to output constant current. The voltage control unit makes the driving output constant current and comprises at least one resistor and a semiconductor load, and has a resistor voltage, the resistor comprising an input and an output.

摘要翻译： 根据本发明的恒流装置连接到外部电压源，并且包括输入单元，驱动晶体管和电压控制单元。 输入单元连接到外部电压源。 驱动晶体管用于输出恒定电流。 电压控制单元使驱动输出恒定电流并且包括至少一个电阻器和半导体负载，并且具有电阻器电压，该电阻器包括输入和输出。