ClassID:

233178

H05B33/0887 - page 2 - CPC Classification

Classification description:

Recent Application in this class:
#301
20160262231
2016-09-08

Lighting device and automotive light comprising said lighting device

#302
20160262226
2016-09-08

LED driver, lighting equipment and light fixture

#303
20160262220
2016-09-08

ANSI reference ballast compliance circuit for LED retrofit lamps

#304
20160255699
2016-09-01

LED tube lamp with improved compatibility with an electrical ballast

#305
20160247454
2016-08-25

DC-DC converter and organic light emitting display including the same

#306
20160242259
2016-08-18

Method for dynamic reduction of LED current in LED driver, and associated drivers, driver circuits and lighting circuits

#307
20160242258
2016-08-18

Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage

#308
20160234909
2016-08-11

LED LAMP

#309
20160234893
2016-08-11

Control circuit

#310
20160212821
2016-07-21

Linear LED driver and control method thereof

#311
20160212820
2016-07-21

Short detection circuit for an LED driver and short detection method

#312
20160212819
2016-07-21

LED DRIVER AND DRIVING METHOD

#313
20160205742
2016-07-14

Illumination system and luminaire

#314
20160198538
2016-07-07

LED DRIVE CIRCUIT

#315
20160195572
2016-07-07

TRIAC low voltage dimming control system

#316
20160192456
2016-06-30

Driving circuits and methods for controlling light source

#317
20160183345
2016-06-23

Electronic ballast for operating at least a first and a second cascade of LEDS

#318
20160183334
2016-06-23

Backlight unit and display device including backlight unit with overcurrent protection

#319
20160181907
2016-06-23

Current balancing system for semiconductor elements in parallel

#320
20160174330
2016-06-16

Alternating current rectifying circuit and alternating current rectifying method for driving LED module

#321
20160174329
2016-06-16

LED retrofit lamp having active over-current protection circuit

#322
20160174328
2016-06-16

Lamp base having integral semiconductor transient protection device

#323
20160174324
2016-06-16

Methods and systems for maintaining the illumination intensity of light emitting diodes

#324
20160174312
2016-06-16

Electric driver circuit for driving a light-emitting diode

#325
20160165693
2016-06-09

Skip-phase wireless dimmer for solid-state lighting

#326
20160165689
2016-06-09

LED lighting drive circuit

#327
20160165678
2016-06-09

Device for supplying light sources with energy in a manner extending service life

#328
20160157312
2016-06-02

Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering

#329
20160151524
2016-06-02

Hard-surface disinfection system

#330
20160150618
2016-05-26

Dimming drive circuit of alternating current directly-driven LED module

#331
20160150606
2016-05-26

Surge protection for light-emitting diodes

#332
20160150604
2016-05-26

Reduction of harmonic distortion for LED loads

#333
20160143107
2016-05-19

LED lighting apparatus and control circuit thereof

#334
20160141914
2016-05-19

Methods and systems for emergency lighting

#335
20160135257
2016-05-12

Bleeder protection using thermal foldback

#336
20160135256
2016-05-12

Light emitting diode lighting device

#337
20160128144
2016-05-05

Apparatus and method for monitoring and limiting power to SSL devices

#338
20160120002
2016-04-28

LED lamp comprising a safety module for safe operation on various ballasts

#339
20160119999
2016-04-28

Driving apparatus for a light emitting device and method for the same

#340
20160119987
2016-04-28

Driver with open output protection

#341
20160105121
2016-04-14

Module having measurement signal feedback via a galvanically isolated converter

#342
20160100468
2016-04-07

Bidirectional voltage differentiator circuit

#343
20160088695
2016-03-24

Short-circuit protection circuit and electronic device

#344
20160087524
2016-03-24

Generation of drive current independent of input voltage

#345
20160081158
2016-03-17

Circuit for driving lighting apparatus and method thereof

#346
20160081151
2016-03-17

Dynamic bleeder current control for LED dimmers

#347
20160081146
2016-03-17

TRIAC low voltage dimming control system

#348
20160073473
2016-03-10

LED driver

#349
20160073472
2016-03-10

Module for lighting means with combined secondary-side measurement signal detection

#350
20160073459
2016-03-10

LED LAMP DEVICE

#351
20160073457
2016-03-10

Lighting device and luminaire

#352
20160066388
2016-03-03

Reduced flickering lighting apparatus and luminaire

#353
20160066373
2016-03-03

LED backlight sources for liquid crystal devices and liquid crystal devices

#354
20160058291
2016-03-03

Photoacoustic Imager

#355
20160057841
2016-02-25

Three-way switching circuit having delay for inrush current protection

#356
20160054750
2016-02-25

Method and circuit for detecting short circuit in an asynchronous DC-DC boost converter

#357
20160037592
2016-02-04

Driving device for LED and the driving method thereof

#358
20160033584
2016-02-04

Method of forming a sequencing system and structure therefor

#359
20160029451
2016-01-28

LED driver circuit

#360
20160029448
2016-01-28

LED driver and LED driving method

#361
20160016514
2016-01-21

Electrical power supply system for an electrical unit of a motor vehicle

#362
20160014865
2016-01-14

Systems and methods for intelligent dimming control using TRIAC dimmers

#363
20160014861
2016-01-14

Systems and methods for intelligent dimming control using TIRAC dimmers

#364
20160014857
2016-01-14

Power supply circuit and electroluminescent display device including the same

#365
20150382430
2015-12-31

Backlight unit and display device having the same

#366
20150382429
2015-12-31

LED mains voltage measurement using a current mirror

#367
20150382417
2015-12-31

Universal voltage LED power supply with regenerating power source circuitry, non-isolated load, and 0-10V dimming circuit

#368
20150366040
2015-12-17

Light device for a ceiling fan, switch device of the same, and method for preventing abnormal operation of the light device using the switch device

#369
20150359054
2015-12-10

Control methods and power converters suitable for TRIAC dimming

#370
20150351193
2015-12-03

LED controller

#371
20150342004
2015-11-26

Lighting apparatus with inductor current limiting for noise reduction

#372
20150341998
2015-11-26

Multiplexed ultra-low-power LED luminaire

#373
20150341995
2015-11-26

Systems and methods for driving light emitting diodes

#374
20150327345
2015-11-12

Methods and apparatus for causing LEDs to generate light output comprising a modulated signal

#375
20150318684
2015-11-05

Circuit Device and Electronic Apparatus

#376
20150312987
2015-10-29

LED driver operating from unfiltered mains on a half-cycle by half-cycle basis

#377
20150305127
2015-10-22

Optical navigation sensor with integrated charge pump

#378
20150305112
2015-10-22

OPERATING DEVICE FOR ILLUMINANT

#379
20150289341
2015-10-08

Light emitting device driving apparatus and illumination system including the same

#380
20150289332
2015-10-08

High efficiency LED drivers with high power factor

#381
20150289327
2015-10-08

SYSTEM AND METHOD FOR POWERING AND CONTROLLING A SOLID STATE LIGHTING UNIT

#382
20150282284
2015-10-01

Over voltage disconnect

#383
20150271893
2015-09-24

Backlight unit, display apparatus including the backlight unit and operating method thereof

#384
20150271885
2015-09-24

Lighting device to simulate natural motion

#385
20150263510
2015-09-17

Control methods for over voltage protection and relevant power controllers

#386
20150257233
2015-09-10

LED FLUORESCENT LAMP

#387
20150257231
2015-09-10

Digitally-controlled switch-mode start-up circuit with dimmer compatibility for LED-based lights

#388
20150257218
2015-09-10

Digitally-controlled switch-mode start-up circuit for LED-based lights

#389
20150250037
2015-09-03

Lighting device and luminaire using same

#390
20150247607
2015-09-03

LED lamp

#391
20150245430
2015-08-27

Light emitting diode lamp and driver

#392
20150237701
2015-08-20

LOAD DRIVING APPARATUS RELATED TO LIGHT EMITTING DIODES

#393
20150237693
2015-08-20

High voltage converter without auxiliary winding

#394
20150223305
2015-08-06

Holding current circuit of LED driving apparatus and operating method thereof

#395
20150223304
2015-08-06

LED backlight driving circuit and LCD device

#396
20150208481
2015-07-23

Device for protecting a low voltage LED direct driver

#397
20150195886
2015-07-09

Driver circuit between electromagnetic ballast and led

#398
20150189716
2015-07-02

LED backlight driving circuit and liquid crystal device

#399
20150181674
2015-06-25

Single string over power protection and light source driver circuit used in display device

#400
20150176823
2015-06-25

Systems and methods for retrofitting existing lighting systems

#401
20150173146
2015-06-18

Lighting system with power factor correction control data determined from a phase modulated signal

#402
20150163882
2015-06-11

Light regulating apparatus with feed forward compensation and light regulating method thereof

#403
20150156846
2015-06-04

OVER-CURRENT PROTECTION CIRCUIT, LED BACKLIGHT DRIVING CIRCUIT AND LIQUID CRYSTAL DEVICE

#404
20150156840
2015-06-04

Lighting device

#405
20150156835
2015-06-04

AC direct drive LED power supply capable of handling overvoltage

#406
20150145562
2015-05-28

Load detection circuit and method

#407
20150127299
2015-05-07

Methods and systems of proactive monitoring of LED lights

#408
20150123544
2015-05-07

Output circuit

#409
20150116635
2015-04-30

LED driving device, illuminator, and liquid crystal display device

#410
20150102742
2015-04-16

Dimming method and circuit and controlled-silicon dimming circuit with the same

#411
20150102736
2015-04-16

CONTROLLING DEVICE FOR LED DECORATIVE LIGHTS, A LED LIGHT AND A CONTROLLING METHOD FOR LED DECORATIVE LIGHTS

#412
20150097489
2015-04-09

LED driving device with open circuit protection and color temperature and brightness adjustment

#413
20150091468
2015-04-02

Lighting device and luminaire using the same

#414
20150084510
2015-03-26

Power Supply Device and Luminaire

#415
20150077007
2015-03-19

Current regulated LED strobe drive circuit

#416
20150076999
2015-03-19

Modifying duty cycles of PWM drive signals to compensate for LED driver mismatches in a multi-channel LED system

#417
20150061532
2015-03-05

High efficiency LED driving circuit and driving method

#418
20150061520
2015-03-05

Lamp device and a method for operating a lamp device

#419
20150042925
2015-02-12

LED backlight source and liquid crystal device

#420
20150042229
2015-02-12

Driving apparatus for a light emitting device and method for the same

#421
20150028769
2015-01-29

Driver circuit for at least one load and method of operating the same

#422
20150028745
2015-01-29

Light emitting diode driving circuit structure

#423
20150002050
2015-01-01

Light emitting diode power supply apparatus

#424
20150002040
2015-01-01

Driver device and driving method for driving a load, in particular a LED unit comprising one or more LEDs

#425
20140368122
2014-12-18

Method and circuit arrangement for operating light-emitting means, with beat avoidance

#426
20140362072
2014-12-11

Power converter, display device including power converter, system including display device, and method of driving display device

#427
20140354166
2014-12-04

Dimming circuit and method for LEDS

#428
20140346954
2014-11-27

White LED light emitting device driven directly by constant alternating current

#429
20140346953
2014-11-27

Driving circuit of light-emitting diode and driving method thereof

#430
20140333520
2014-11-13

LED backlight driving circuit having divider units and method for driving the LED backlight driving circuit

#431
20140333205
2014-11-13

Stabilization circuit for low-voltage lighting

#432
20140320786
2014-10-30

LED backlight source and liquid crystal display device

#433
20140320007
2014-10-30

Power converter for interfacing a fluorescent lighting ballast to a light emitting diode lamp

#434
20140312347
2014-10-23

Semiconductor device

#435
20140300274
2014-10-09

Near unity power factor long life low cost LED lamp retrofit system and method

#436
20140292200
2014-10-02

Backlight driving circuit, LCD device, and method for driving backlight driving circuit

#437
20140285748
2014-09-25

LED backlight driving circuit, backlight module, and liquid crystal display device

#438
20140266218
2014-09-18

Circuit arrangement for short-circuit detection in diodes, lighting arrangement and method therefor

#439
20140265909
2014-09-18

Dimmable Timer-Based LED Power Supply

#440
20140265887
2014-09-18

Voltage to current architecture to improve PWM performance of output drivers

#441
20140265861
2014-09-18

Current limiter with active damping

#442
20140252972
2014-09-11

LED light source with reduced flicker

#443
20140252948
2014-09-11

Elevator interior illumination

#444
20140246987
2014-09-04

Constant current drive for LED light source

#445
20140246976
2014-09-04

Controlling circuit for an LED driver and controlling method thereof

#446
20140232271
2014-08-21

Voltage supply arrangement and method for supplying voltage to an electrical load with transistor saturation control

#447
20140225508
2014-08-14

Driver assembly and method for detecting an error condition of a lighting unit

#448
20140210353
2014-07-31

High efficiency LED driving circuit and driving method

#449
20140210350
2014-07-31

Load driving apparatus relating to light-emitting-diodes

#450
20140203726
2014-07-24

Oscillation circuit

#451
20140203722
2014-07-24

AC LED lighting apparatus using voltage edge detector

#452
20140203718
2014-07-24

AC LED lighting apparatus using voltage edge detector

#453
20140197739
2014-07-17

DC-DC converter protection circuit and protection method thereof

#454
20140184959
2014-07-03

Overvoltage protection method for backlight drive circuit of 2D/3D mode and backlight drive circuit using same

#455
20140176020
2014-06-26

Protection circuit for backlight driver circuit, backlight module, and LCD device

#456
20140176008
2014-06-26

System and method for implementing mains-signal-based dimming of solid state lighting module

#457
20140168052
2014-06-19

LED backlight driving circuit and LCD device

#458
20140159585
2014-06-12

Luminaire with switch-mode converter power monitoring

#459
20140152182
2014-06-05

Lighting device and luminaire including the same

#460
20140145629
2014-05-29

LED driving apparatus and operating method thereof

#461
20140139143
2014-05-22

Short circuit protection

#462
20140139111
2014-05-22

Load driving apparatus related to light emitting diodes

#463
20140139107
2014-05-22

LED lighting system and method

#464
20140125253
2014-05-08

Universal LED ballast compatible controller device

#465
20140117853
2014-05-01

LED lamp, illumination device including the LED lamp and current control method of the LED lamp

#466
20140111104
2014-04-24

Light-emitting device circuit and method of operating thereof

#467
20140097755
2014-04-10

Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering

#468
20140084793
2014-03-27

LED flourescent lamp

#469
20140077719
2014-03-20

Solid-state light-emitting element drive device, lighting system and lighting fixture

#470
20140055031
2014-02-27

Leakage current detection circuit, semiconductor apparatus, LED illumination apparatus, and vehicle

#471
20140042909
2014-02-13

ENERGY-SAVING ILLUMINATION DEVICE HAVING VOICE CONTROL MODULE

#472
20140042908
2014-02-13

Connector with surge protection structure

#473
20140042905
2014-02-13

Light source driving apparatus, light source device including the same and light source driving method of the light source driving apparatus

#474
20140035462
2014-02-06

LED lighting device

#475
20140015435
2014-01-16

Low-temperature LED lighting and power supply device

#476
20130320879
2013-12-05

Light emitting device

#477
20130313989
2013-11-28

High efficiency led drivers with high power factor

#478
20130304304
2013-11-14

Internal power supply control device having at least one lighting control device for a motor vehicle

#479
20130293109
2013-11-07

LED DRIVER IC, DRIVING METHOD THEREOF, AND LED EMITTING DEVICE USING THE LED DRIVER IC AND THE DRIVING METHOD

#480
20130271040
2013-10-17

Method and apparatus to limit current overshoot and undershoot in light driver

#481
20130271008
2013-10-17

Light-emitting diode (LED) driving circuit

#482
20130264961
2013-10-10

Transmitting and receiving digital and analog signals across an isolator

#483
20130257280
2013-10-03

Delaying startup under fault conditions

#484
20130249406
2013-09-26

LED emitting device and driving method thereof

#485
20130241416
2013-09-19

Intrinsically safe display device with an array of LEDs

#486
20130235010
2013-09-12

DC-DC converter and organic light emitting display including the same

#487
20130234594
2013-09-12

Intelligent LED drive power

#488
20130200799
2013-08-08

High-Voltage AC LED Driver Circuit

#489
20130175924
2013-07-11

Light source for motor vehicles

#490
20130154482
2013-06-20

Open-circuit protection circuit of constant current driving circuit for light emitting diodes

#491
20130147382
2013-06-13

LED driver apparatus

#492
20130147355
2013-06-13

Detecting circuit for open of LED array and LED driver apparatus using the same

#493
20130141004
2013-06-06

LED driver protection circuit

#494
20130127343
2013-05-23

Power supply circuit for multi-path light-emitting diode (LED) loads

#495
20130119873
2013-05-16

Light emitting device and method of controlling light emitting device

#496
20130093349
2013-04-18

Driving circuit and lamps

#497
20130057180
2013-03-07

Method and apparatus for detecting and correcting improper dimmer operation

#498
20130051001
2013-02-28

LED lighting system

#499
20130050288
2013-02-28

LED driver apparatus

#500
20130050174
2013-02-28

Liquid crystal display capable of detecting short in LED in liquid crystal panel and driving method thereof

#501
20130049614
2013-02-28

LED driver apparatus

#502
20130049589
2013-02-28

Driver circuit for dimmable solid state light source

#503
20130020946
2013-01-24

LED short circuit protection

#504
20130009557
2013-01-10

Electronic circuits and techniques for improving a short duty cycle behavior of a DC-DC converter driving a load

#505
20120262070
2012-10-18

Light emitting element drive device

#506
20120229037
2012-09-13

High efficiency, low energy storage driver circuit for solid state light sources

#507
20120229031
2012-09-13

Converting controller

#508
20120217873
2012-08-30

Lighting device, and headlight lighting device, headlight, and vehicle using same

#509
20120194078
2012-08-02

LED backlight driver system and associated method of operation

#510
20120182018
2012-07-19

Apparatus and method for sensing failure

#511
20120181931
2012-07-19

LED short-circuit detection circuit, LED drive device, LED lighting device, and vehicle

#512
20120161639
2012-06-28

Integrated circuits, control methods and lighting systems

#513
20120104970
2012-05-03

Lighting power supply device and method for controlling holding current

#514
20120081016
2012-04-05

LED driver with adaptive dynamic headroom voltage control

#515
20120074947
2012-03-29

Failure detection for series of electrical loads

#516
20120062122
2012-03-15

Open LED bypass circuit and associated methods of operation

#517
20120026761
2012-02-02

Adaptive current limiter and dimmer system including the same

#518
20110241568
2011-10-06

Methods and systems for maintaining the illumination intensity of light emitting diodes

#519
20110128303
2011-06-02

Driving circuit for light emitting diode

#520
20100134024
2010-06-03

LED thermal management system and method

#521
16429864
2020-03-24

Horticulture facilities with centralized power supplies for powering LED luminaires via power transfer switches

#522
16371943
2019-12-31

Fixture mount sensor with remote energy usage reporting

#523
16257670
2020-03-10

Isolated digital control device for LED driver using NFC technology

#524
16252296
2020-01-21

Power offloading for linear current source

#525
16161884
2019-05-28

Driver circuit for LED light

#526
16136447
2019-07-02

LED driving circuit and tube lamp

#527
16113345
2019-07-16

Multiple interface LED driver with inherent overvoltage protection

#528
16110403
2019-08-06

Circuit and method for linear constant current control and LED device

#529
16038721
2019-05-28

Flicker-free LED driving apparatus and voltage regulating method thereof

#530
16034351
2019-06-04

LED driving power supply based on 2.4G remote controlling adjustment of brightness and color temperature

#531
16025948
2019-04-23

Electronic device

#532
15981627
2019-10-08

Control circuit and techniques for controlling a LED array

#533
15955899
2019-03-19

Methods and systems of detecting failure modes of DC to DC power converters

#534
15892505
2018-11-20

Lighting driver, lighting system and control method

#535
15881839
2018-10-30

Electronic driver with electric-leakage protection for LED lighting

#536
15815372
2019-01-15

Aircraft escape slide lighting system with self-regulated, circuit-protected luminaires

#537
15726154
2018-11-20

LED dimming

#538
15695589
2018-11-13

Dynamic AC impedance stabilization in a flyback LED driver

#539
15680321
2018-07-31

Feedback circuit

#540
15629592
2018-03-13

Ballast compatibility buffer circuit for LED lamps

#541
15616426
2018-05-08

LED driving circuit for controlling leakage current and compatible with ballast

#542
15616374
2018-03-27

LED driving circuit for controlling leakage current

#543
15608275
2018-06-05

Dual mode constant current LED driver

#544
15596813
2018-05-15

Circuit and method for LED current regulation and ripple control

#545
15486202
2018-05-01

RF controlled switch box without using neutral wire and a power harvesting switch circuit thereof

#546
15455827
2017-12-05

Security light with remote photo-voltaic module and battery backup and related methods

#547
15425195
2017-12-05

Control method to avoid capacitive mode switching for resonant converters

#548
15387140
2017-08-01

System for resembling an open candle flame

#549
15376218
2018-01-09

System and method of operating a constant current light-emitting diode pulsing drive circuit

#550
15361009
2017-10-03

Light-emitting diode driving device and short protection method for driving device

#551
15336381
2017-06-13

Dimmer configured for providing sinking and sourcing current outputs

#552
15287941
2017-06-13

Combined wireless voltage controlled dimming interface for an LED driver

#553
15284559
2017-05-30

Integrated circuits for AC LED lamps and control methods thereof

#554
15260333
2017-10-17

LED lamp arrangement adapted to replace fluorescent lamp in luminaire with ballast

#555
15260080
2017-05-23

Driving several light sources

#556
15259029
2017-07-18

Solid-state lighting arrangement with startup delay circuit

#557
15244060
2018-06-26

Toilet lid light

#558
15240740
2017-05-16

Modular intelligent electronic decoration system

#559
15234006
2018-03-06

Surge protection system and method for an LED driver

#560
15071828
2017-11-14

Circuit and method for abnormal fault testing in an LED driver

#561
14844944
2017-01-03

Low power photocontrol for luminaire

#562
14818041
2016-08-16

Linear solid-state lighting with an arc prevention switch mechanism free of fire and shock hazards

#563
14555649
2016-05-24

Isolation dimmer circuit structure

#564
14504806
2016-10-04

Circuit and method for monitoring functionality of an electronic surge suppressor

#565
14309173
2015-11-24

Lighting system including a driving device for driving a lighting appliance