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1.发明申请INTEGRATED LIGHT-EMITTING DIODE DRIVER CIRCUIT AND METHOD OF OPERATING THE SAME 有权集成发光二极管驱动电路及其工作方法公开(公告)号：US20160007428A1
公开(公告)日：2016-01-07
申请号：US14587753
申请日：2014-12-31
Applicant: DELTA ELECTRONICS, INC.
Inventor： Chia-Jung NIAN , Ching-Ho CHOU
CPC classification number: H05B37/0263 , H05B33/0809 , H05B33/0815 , H05B33/0821 , H05B33/0845 , H05B33/0851
Abstract: An integrated light-emitting diode (LED) driver circuit includes a bi-directional power line communication (PLC) unit, a power conversion module, and a constant current (CC)/constant voltage (CV) control unit. The bi-directional PLC unit receives an AC voltage, and converts a modulation signal on the AC voltage to generate a light-dimming control signal. The power conversion module receives the AC voltage and converts the AC voltage to generate an output voltage. The CC/CV control unit receives the light-dimming control signal to generate a dimming constant current or a dimming constant voltage. The integrated LED driver circuit outputs the dimming constant current or the dimming constant voltage and the output voltage to drive a LED string.
Abstract translation: 集成发光二极管（LED）驱动电路包括双向电力线通信（PLC）单元，功率转换模块和恒定电流（CC）/恒定电压（CV）控制单元。 双向PLC单元接收交流电压，并且对交流电压上的调制信号进行转换，生成调光控制信号。 电力转换模块接收交流电压并转换交流电压以产生输出电压。 CC / CV控制单元接收调光控制信号以产生调光恒定电流或调光恒定电压。 集成LED驱动电路输出调光恒流或调光恒定电压和输出电压驱动LED串。
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公开(公告)号：US20150195889A1
公开(公告)日：2015-07-09
申请号：US14290669
申请日：2014-05-29
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU , Yung-Chuan LU , Yen-Yu CHEN
IPC: H05B37/02
CPC classification number: H05B41/2828 , H05B37/02
Abstract: A fluorescent electronic ballast including: a rectifier circuit, for receiving an AC power supply and converting the AC power supply into a DC power supply; an inverter circuit, coupled to a fluorescent driver circuit, for converting the DC power supply into a high-frequency AC power supply for driving a fluorescent; and a detection protection circuit, coupled to the rectifier circuit and the inverter circuit, for detecting the DC power supply provided by the rectifier circuit, and cutting off the electric connection between a control chip of the inverter circuit and all of power supply when the voltage of the direct current power supply is lower than a predetermined value, wherein the power supply at least includes the direct current power supply provided by the rectifier circuit.
Abstract translation: 一种荧光电子镇流器，包括：整流器电路，用于接收AC电源并将AC电源转换成DC电源; 耦合到荧光驱动电路的逆变器电路，用于将DC电源转换成用于驱动荧光的高频AC电源; 以及与整流电路和逆变器电路耦合的检测保护电路，用于检测由整流电路提供的直流电源，并且当电压为5V时，切断逆变电路的控制芯片与所有电源之间的电连接 所述直流电源低于预定值，其中所述电源至少包括由所述整流电路提供的直流电源。
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公开(公告)号：US20210092814A1
公开(公告)日：2021-03-25
申请号：US16848836
申请日：2020-04-15
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU , Yung-Chuan LU
Abstract: An operating method for a light-emitting diode (LED) power supply includes the following operations: controlling an output voltage to be a first voltage by a control circuit; detecting a load current by a detection circuit; maintaining the output voltage as the first voltage by a constant voltage control circuit when the load current is greater than zero, changing the output voltage from the first voltage to a second voltage by the control circuit when the load current is equal to zero, and the second voltage being greater than the first voltage.
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公开(公告)号：US20180212339A1
公开(公告)日：2018-07-26
申请号：US15617579
申请日：2017-06-08
Applicant: Delta Electronics, Inc.
Inventor： Shang-Yu LI , Hung-Chi CHEN , Do CHEN , Ching-Ho CHOU
Abstract: An electronic device connected to a wire is provided, including a printed circuit board having a hole, a hollow tube, a plurality of blades separated from each other, and a solder, wherein the wire in inserted into the hollow tube and electrically connected to the printed circuit board. The hollow tube is extended through the hole. The solder is connected to the blades and the printed circuit board. The blades are connected to the hollow tube, and a reflex angle is formed between the inner wall of the hollow tube and each of the blades.
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公开(公告)号：US20240130014A1
公开(公告)日：2024-04-18
申请号：US18155509
申请日：2023-01-17
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU , Yung-Chuan LU
IPC: H05B45/10 , H05B45/3725
CPC classification number: H05B45/10 , H05B45/3725
Abstract: A LED power supply with bi-level dimming receives an input voltage to supply power to an LED lamp, and adjusts the brightness of the LED lamp according to whether an external detection switch is triggered to be turned on. The LED power supply includes a conversion circuit, a switch, and an oscillation circuit. The conversion circuit converts the input voltage into an output voltage, and provides the output voltage to supply power to the LED lamp so as to control the LED lamp to provide a first brightness. The oscillation circuit provides a dimming signal with a fixed frequency and a duty cycle to the switch when the external detection switch is turned on so as to turn on and turn off the switch. The switch correspondingly adjusts the output voltage according to the dimming signal to control the LED lamp to provide a second brightness.
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Patent Agency Ranking
公开(公告)号：US20180368225A1
公开(公告)日：2018-12-20
申请号：US15856072
申请日：2017-12-28
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU
Abstract: An LED power supply device includes a primary winding, a secondary winding, a charge-pump capacitor, a bridge rectifier circuit, a unidirectional controlled switch, and an output capacitor. The secondary winding includes a first terminal and a second terminal and configured to provide a secondary current in response to a primary current flowing through the primary winding. A first terminal of the charge-pump capacitor is coupled to the second terminal of the secondary winding. The bridge rectifier circuit is coupled to the first terminal of the secondary winding and a second terminal of the charge-pump capacitor. The unidirectional controlled switch is reversely coupled to one of multiple diodes in the bridge rectifier circuit, and configured to be on or off according to a control voltage selectively. The output capacitor is coupled to the bridge rectifier circuit and configured to provide an output voltage according to the secondary current.
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公开(公告)号：US20140042920A1
公开(公告)日：2014-02-13
申请号：US13726594
申请日：2012-12-25
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU
IPC: H05B37/02
CPC classification number: H05B37/02 , H05B33/0803 , H05B33/0857 , Y02B20/19 , Y02B20/40
Abstract: A color temperature adjustable LED lamp is disclosed, which includes a 3-way lamp socket and a 3-way lamp head. The 3-way lamp socket has a 3-way switch. The 3-way lamp head is connected to the 3-way lamp socket and has a first LED array and a second LED array. The color temperature of the first LED array is different from the color temperature of the second LED array. The color temperature adjustable LED lamp includes a mains detecting circuit for detecting a conducting state of a first live wire and a second live wire in the 3-way switch to selectively operate the first LED array, the second LED array or alternatively operates the first and second LED array.
Abstract translation: 公开了一种色温可调LED灯，其包括3路灯座和3路灯头。 3路灯座有3路开关。 3路灯头连接到3路灯座，并具有第一个LED阵列和第二个LED阵列。 第一LED阵列的色温与第二LED阵列的色温不同。 色温可调LED灯包括一个电源检测电路，用于检测三路开关中的第一带电线和第二带电线的导通状态，以选择性地操作第一LED阵列，第二LED阵列或交替地操作第一和第 第二个LED阵列。
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公开(公告)号：US20220061137A1
公开(公告)日：2022-02-24
申请号：US17178260
申请日：2021-02-18
Applicant: DELTA ELECTRONICS, INC.
Inventor： Tsung-Ta WU , Qi-Rong LEE , Wei-Cheng CHIU , Yu-Yung HUANG , Ching-Ho CHOU
IPC: H05B45/355 , H05B45/325 , H05B45/40 , H05B47/165
Abstract: A driver is configured to provide an output voltage and an output current to a load according to an input voltage. The driver includes a power converter, first and second detecting devices and a controller. The power converter is configured to receive and convert the input voltage to the output voltage and the output current. The first detecting device is configured to detect the input voltage to generate a first signal. The second detecting device is configured to detect the output voltage to generate a second signal, and detect the output current to generate a third signal. The controller is configured to perform a calculation to the second signal and the third signal according to one of lookup tables corresponding to the first signal to generate a power value. An operation method of a driver and a light source system are also disclosed herein.
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公开(公告)号：US20200318824A1
公开(公告)日：2020-10-08
申请号：US16548083
申请日：2019-08-22
Applicant: Delta Electronics, Inc.
Inventor： Jui-Ching LEE , Po-Heng CHAO , Ching-Ho CHOU
Abstract: A light-emitting diode driver is provided, including a housing, a plate, a wireless coil, and at least one electronic member. An opening is formed on a lateral wall of the housing. The plate is detachably connected to the housing, so as to cover the opening. The plate includes a first side, a first guiding slot formed on the first side, a second side opposite the first side, a second guiding slot formed on the second side, and a bottom side adjacent to a bottom plate of the housing. At least a portion of the lateral wall is accommodated in the first and second guiding slots. The wireless coil is disposed in the housing and adjacent to the plate. The electronic member is disposed in the housing and electrically connected to the wireless coil. The housing and the plate are respectively made of metal and non-metal materials.
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公开(公告)号：US20200093018A1
公开(公告)日：2020-03-19
申请号：US16278164
申请日：2019-02-17
Applicant: DELTA ELECTRONICS, INC.
Inventor： Ching-Ho CHOU , Po-Heng CHAO , Hung-Chi CHEN
Abstract: A waterproof casing for packaging a circuit board having an antenna includes a housing, a waterproof gasket, and an end cover. The housing has an accommodation space and a side opening communicating with each other. The accommodation space is configured to accommodate the circuit board. The waterproof gasket includes a main body and an extending portion. The main body covers the side opening. The extending portion extends from the main body. The end cover abuts against a side of the main body away from the accommodation space, and is fixed to the housing to form a box with the housing. The box has a communication opening positioned corresponding to the antenna. The extending portion hermetically covers the communication opening.
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