公开(公告)号：US20230120486A1

公开(公告)日：2023-04-20

申请号：US17978162

申请日：2022-10-31

申请人： Aircraft Lighting International Inc.

发明人： Ziang Lin

IPC分类号： H05B45/37 ,  H05B45/345

摘要： The present disclosure provides a light-emitting diode lamp designed to replace an incandescent filament bulb for illumination purposes in a transportation vehicle and a light-emitting diode circuit associated therewith.

公开(公告)号：US11632832B2

公开(公告)日：2023-04-18

申请号：US17706733

申请日：2022-03-29

申请人： Mate. LLC

发明人： Jason Neudorf ,  Steven Lyons ,  Kyle Hathaway

IPC分类号： H05B45/355 ,  H05B45/37 ,  H05B45/50 ,  H05B47/175 ,  H05B47/19 ,  H05B45/10 ,  H05B45/14 ,  H05B45/20 ,  H05B47/21

摘要： A lighting system including monitoring of input power and output power parameters to a set of lighting loads to detect power faults and/or anomalies. The set of sensing circuits include primary side and secondary side sensing circuits that communicate with a set of monitoring circuits to process the information supplied by the sensing circuits. If a fault and/or anomaly is sensed or detected, a signal is transmitted to provide an alert.

公开(公告)号：US11612031B2

公开(公告)日：2023-03-21

申请号：US16917123

申请日：2020-06-30

申请人： LUMILEDS LLC

发明人： Zhi Hua Song

IPC分类号： H05B45/37 ,  H02M3/158 ,  H02M7/12

摘要： Systems, devices and methods are described herein. A device includes a power stage circuit, a switch and a first circuit. The switch is electrically coupled to the power stage circuit. The first circuit is electrically coupled to the power stage circuit and the switch and has a single output. The first circuit is configured to provide a first circuit output voltage at the single output. The first circuit output voltage has a first level on a condition that the power stage circuit is conducting at a peak current level. The first circuit output voltage has a second level on a condition that the power stage circuit is not conducting.

公开(公告)号：US20230053414A1

公开(公告)日：2023-02-23

申请号：US17982882

申请日：2022-11-08

申请人： JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD

发明人： TAO JIANG ,  AIMING XIONG

IPC分类号： F21K9/278 ,  F21V3/06 ,  F21V3/10 ,  F21V29/83 ,  F21K9/23 ,  H05B45/37 ,  H05B45/50 ,  F21K9/27 ,  F21V7/28 ,  F21V7/22 ,  F21V23/00 ,  F21V15/015 ,  F21V17/10 ,  F21V23/02 ,  F21K9/272 ,  B23K3/047 ,  F21K9/235 ,  B23K1/00 ,  H05B6/10 ,  F21K9/275 ,  F21V25/02

摘要： An LED tube lamp comprises a glass lamp tube having a main body, two end caps coupled to a respective end of the tube, an LED light strip adhered to inner circumferential surface of the tube by first adhesive, a plurality of LED light sources mounted on a mounting region, a power supply module having a circuit board and a plurality of electronic components mounted on the circuit board, a diffusion layer covering on outer surface or inner surface of the tube, and a protective layer being disposed on surface of the strip and having a plurality of first openings for disposing the plurality of LED light sources. The strip comprises the mounting region and connecting region at an end of the strip. The circuit board is substantially parallel with axial direction of the tube, electrically connects to the connecting region, and stacks with a portion of the connecting region.

公开(公告)号：US11576242B1

公开(公告)日：2023-02-07

申请号：US17730135

申请日：2022-04-26

申请人： PARAGON SEMICONDUCTOR LIGHTING TECHNOLOGY CO., LTD.

发明人： Chia-Tin Chung ,  Pei-Chun Liu ,  Yi-Chun Liu

IPC分类号： H05B45/50 ,  H05B45/37

摘要： An LED illumination device for improving anti-surge capability includes a circuit substrate, a bridge rectifier chip, a surge absorber group, a first anti-surge current-limiting chip group, a second anti-surge current-limiting chip group, an LED illuminating group, and an LED current-limiting group. The surge absorber group is disposed on the circuit substrate and electrically connected to the bridge rectifier chip for absorbing a surge voltage. The first anti-surge current-limiting chip group is disposed on the circuit substrate for absorbing a first predetermined surge voltage. The second anti-surge current-limiting chip group is disposed on the circuit substrate for absorbing a second predetermined surge voltage. The LED illuminating group includes a plurality of LED chips disposed on the circuit substrate. The LED current-limiting group is disposed on the circuit substrate for controlling a total harmonic distortion of current (THDi) of the LED illuminating group.

公开(公告)号：US11503687B1

公开(公告)日：2022-11-15

申请号：US17569930

申请日：2022-01-06

申请人： Chicony Power Technology Co., Ltd.

发明人： Chen-Chi Lin

IPC分类号： H05B45/37 ,  H05B45/34

摘要： A power converter for an LED lighting device includes a primary side circuit, a secondary side circuit, a detecting circuit, a load-dependent circuit, and a feedback circuit. The feedback circuit generates a feedback signal according to a detected signal which the detecting circuit generates according to a second node of the secondary side circuit. The primary side circuit adjusts a duty cycle according to the feedback signal. The secondary side circuit outputs a first output voltage at a first node of the secondary side circuit and outputs a second output voltage at a third node of the secondary side circuit, according to the duty cycle of the primary side circuit. The load-dependent circuit receives the second output voltage and controls an electrical strength between the first node and the second node of the secondary side circuit according to the first output voltage.

公开(公告)号：US11503681B2

公开(公告)日：2022-11-15

申请号：US17400506

申请日：2021-08-12

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Masahiro Yamashita ,  Yoshiharu Okabe ,  Mitsuhisa Shida

IPC分类号： F21V21/26 ,  H05B45/10 ,  H05B45/37 ,  H05B45/50 ,  H05B45/14 ,  H05B45/38 ,  F21V29/70 ,  F21S8/08 ,  F21V31/00 ,  F21S41/143 ,  F21Y115/10

摘要： A lighting device for a vehicle includes a light emission units, a control device, and an operating unit to be operated when the vehicle is started. The control device increases an emission intensity of light emission units in a first period. The first period includes a second period including a plurality of time intervals. The control device changes the emission intensity of light emission units in each time interval of the second period so that two light emission units in at least one pair of light emission units adjacent to each other differ from each other in light emission parameters. The light emission parameters include at least two parameters out of a magnitude of changing amount in emission intensity in the time interval, a direction indicating whether the emission intensity is increasing or decreasing in the time interval, and the emission intensity at an end point of the time interval.

公开(公告)号：US11460177B2

公开(公告)日：2022-10-04

申请号：US17189543

申请日：2021-03-02

申请人： Wangs Alliance Corporation

发明人： Basar Erdener ,  Voravit Puvanakijjakorn

IPC分类号： F21S8/08 ,  F21V31/00 ,  H05B45/10 ,  F21V21/26 ,  F21V19/02 ,  H05B45/14 ,  H05B45/38 ,  H05B45/3725 ,  H05B45/50 ,  H05B45/37 ,  F21V29/70 ,  F21V31/03 ,  F21V9/00 ,  F21V14/06 ,  F21V17/10 ,  F21V19/00 ,  F21V17/12 ,  F21V17/16 ,  F21V21/30 ,  F21V7/00 ,  F21V23/00 ,  F21Y115/10 ,  F21W131/10 ,  F21Y101/00

摘要： Methods and apparatus for implementing a control apparatus for a light fixture for externally controlling the current to the LED light emitter of a landscape LED light fixture. In an exemplary embodiment a control apparatus for controlling current to an LED light source in a landscape lighting device includes an LED driver, a user control with a control setting indicator, and a driver housing including setting indicators.

公开(公告)号：US11454867B2

公开(公告)日：2022-09-27

申请号：US17349454

申请日：2021-06-16

申请人： Lumileds LLC

发明人： Henk Derks

IPC分类号： G03B15/05 ,  H05B45/56 ,  H05B45/50 ,  G03B15/02 ,  H05B45/14 ,  H05B45/37

摘要： The invention describes a method of controlling a segmented flash (10) having a plurality of flash segments (S1, S2, . . . , Sn), which method comprises the steps of measuring the forward voltages (Vf1, Vf2, . . . , Vfn) of the flash segments (S1, S2, . . . , Sn); and adjusting the brightness of the flash segments (S1, S2, . . . , Sn) on the basis of the measured forward voltages (Vf1, Vf2, . . . , Vfn) to achieve a desired illumination profile (P) for the segmented flash (10). The invention further describes a segmented flash system (1) comprising a segmented flash (10) with a plurality of flash segments (S1, S2, . . . , Sn), wherein each flash segment (S1, S2, . . . , Sn) is arranged to illuminate a portion (20) of a scene (2); and a flash driver (11) adapted to perform the steps of the inventive method to adjust the brightness of the flash segments (S1, S2, . . . , Sn).

公开(公告)号：US11438988B1

公开(公告)日：2022-09-06

申请号：US16100961

申请日：2018-08-10

申请人： Southwire Company, LLC

发明人： Charles Hume ,  David Sykes ,  Aldo P. Della Sera ,  Juan Galindo ,  Andrew M. Pluister ,  Mark Crosier

IPC分类号： F21S2/00 ,  H05B45/50 ,  F21Y115/10 ,  H05B47/185 ,  H05B45/37 ,  H05B45/30

摘要： A power management and smart lighting system is provided that enables efficient distribution of DC power to various building features, including LED lighting. The power management system includes an intelligent power supply unit configured to convert AC power drawn from a building load center into a deadband DC waveform. The deadband DC power generated by the intelligent power supply unit is then transmitted over power-with-Ethernet cables to a plurality of distributed intelligent drivers, each configured to intelligently power one or more LED troffers. The intelligent drivers may be daisy-chained to one another by the power-with-Ethernet cables, enabling a power-ring architecture. To enable easy control of the drivers, intelligent sensors can be distributed throughout the topology and connected to the drivers (e.g., via power-with-Ethernet cables) to enable a wide array of lighting control options.