公开(公告)号：US08427065B2

公开(公告)日：2013-04-23

申请号：US13246223

申请日：2011-09-27

Applicant: Ching-Chi Cheng

Inventor： Ching-Chi Cheng

IPC: H05B41/16

CPC classification number: H05B33/0812 ,  H05B33/0845 ,  Y02B20/345

Abstract: 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.

Abstract translation: 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：US20090195169A1

公开(公告)日：2009-08-06

申请号：US12236262

申请日：2008-09-23

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

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

IPC: H05B37/02

CPC classification number: H05B33/0851

Abstract: 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.

Abstract translation: 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

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

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

IPC: H05B41/36

CPC classification number: H05B33/089 ,  H05B33/0803 ,  H05B33/0818 ,  H05B33/0821 ,  H05B33/0854 ,  Y02B20/346

Abstract: 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.

Abstract translation: 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：US20080180035A1

公开(公告)日：2008-07-31

申请号：US12010772

申请日：2008-01-30

Applicant: Ching Chi Cheng

Inventor： Ching Chi Cheng

IPC: H05B37/00

CPC classification number: H05B37/0272 ,  H05B37/029

Abstract: A lighting string controller includes a power supply circuit that converts an alternate current (AC) input into a direct current (DC) output and includes an impedance buck circuit for expanding the applicable voltage range of the AC input and supplying a stable DC power to a display control circuit, a drive circuit and at least one lighting string. The display control circuit operates the lighting string through the drive circuit and the display control circuit controls time period within which the lighting string is in full lighting condition to allow a lighting string that is of a high power consumption to fully light in a short period of time. The display control circuit also functions to control operation modes of the lighting string, including lighting ON/OFF, interrupted lighting, gradually brightening/dimming, cyclic lighting, and alternating loop flashing, and can be controlled by a control switch or a remote control to switch among the operation modes. As such, a lighting string controller that is free of transformer and that is compact is size is realized.

Abstract translation: 照明串控制器包括将交流（AC）输入转换为直流（DC）输出的电源电路，并且包括阻抗降压电路，用于扩展AC输入的适用电压范围，并将稳定的DC电力提供给 显示控制电路，驱动电路和至少一个照明串。 显示控制电路通过驱动电路来操作照明串，并且显示控制电路控制照明串处于完全点亮状态的时间段，以允许高功耗的照明串在短时间内完全点亮 时间。 显示控制电路还用于控制照明串的操作模式，包括点亮ON / OFF，中断照明，逐渐增亮/调光，循环照明和交替循环闪烁，并且可以由控制开关或遥控器控制 切换操作模式。 因此，实现了没有变压器并且紧凑的照明串控制器的尺寸。

公开(公告)号：US06492590B1

公开(公告)日：2002-12-10

申请号：US09903554

申请日：2001-07-13

Applicant: Ching Chi Cheng

Inventor： Ching Chi Cheng

IPC: H02G308

CPC classification number: H01R13/6658 ,  H01F27/02 ,  H01F27/04 ,  H01R13/52 ,  H01R13/5202 ,  H01R13/5205 ,  H01R13/5845 ,  H01R24/28 ,  H01R33/945 ,  H01R33/965 ,  H01R2103/00 ,  H02G3/088

Abstract: A liquid-proof enclosure includes first and second casing members engaging each other to define an interior space for receiving, retaining and protecting an electrical device. Each casing member has a mating flange engaging each other to encase the electrical device. A rib is formed along the mating flange of the first casing member and a corresponding slot is defined along the mating flange of the second casing member for receiving and engaging the rib thereby attaching the first and second casing members together and increasing length of a possible leakage path between the first and second casing members. An opening is defined between the first and second casing members. At least a circumferential slot is defined along a circumferential wall of the opening. A cable retainer retaining a cable forms ribs received in the slot of the opening for attaching the cable retainer to the first and second casing members and to prevent liquid leakage into the enclosure.

Abstract translation: 液体防护外壳包括彼此接合的第一和第二壳体构件，以限定用于接收，保持和保护电气设备的内部空间。 每个壳体构件具有彼此接合的配合凸缘以包围电气装置。 沿着第一壳体构件的配合凸缘形成肋，并且沿着第二壳体构件的配合凸缘限定相应的狭槽，用于接收和接合肋，从而将第一和第二壳体构件附接在一起并增加可能的泄漏的长度 在第一和第二壳体构件之间的路径。 在第一和第二壳体构件之间限定开口。 沿着开口的周向壁限定至少一个圆周槽。 保持电缆的电缆保持器形成容纳在开口的槽中的肋，用于将电缆保持器附接到第一和第二壳体构件并防止液体泄漏到外壳中。

公开(公告)号：US08526149B2

公开(公告)日：2013-09-03

申请号：US13086904

申请日：2011-04-14

Applicant: Ching-Chi Cheng ,  Wen-Hsiang Chien

Inventor： Ching-Chi Cheng ,  Wen-Hsiang Chien

IPC: H02H9/00

CPC classification number: H02H9/025

Abstract: 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.

Abstract translation: 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

Applicant: Ching-Chi Cheng ,  Chung-Hung Yu

Inventor： Ching-Chi Cheng ,  Chung-Hung Yu

IPC: H05B41/24 ,  H05B39/02

CPC classification number: H05B33/0824 ,  H05B33/0821 ,  H05B33/083 ,  Y02B20/341

Abstract: 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.

Abstract translation: 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：US20120176713A1

公开(公告)日：2012-07-12

申请号：US13086904

申请日：2011-04-14

Applicant: Ching chi CHENG ,  Wen Hsiang Chien

Inventor： Ching chi CHENG ,  Wen Hsiang Chien

IPC: H02H3/00

CPC classification number: H02H9/025

Abstract: 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.

Abstract translation: 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：US20120074857A1

公开(公告)日：2012-03-29

申请号：US13246223

申请日：2011-09-27

Applicant: Ching-Chi CHENG

Inventor： Ching-Chi CHENG

IPC: H05B37/02

CPC classification number: H05B33/0812 ,  H05B33/0845 ,  Y02B20/345

Abstract: 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.

Abstract translation: 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且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：US20120019163A1

公开(公告)日：2012-01-26

申请号：US12893397

申请日：2010-09-29

Applicant: Ching-Chi Cheng ,  Chung-Hung Yu

Inventor： Ching-Chi Cheng ,  Chung-Hung Yu

IPC: H05B37/02

CPC classification number: H05B33/0824 ,  H05B33/0821 ,  H05B33/083 ,  Y02B20/341

Abstract: 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.

Abstract translation: 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。