by pulse width modulation

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H05B41/3927

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HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps

Current Industry

H05B41/3927by pulse width modulation

Industries

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Patents Grantslast 30 patents

Information Patent Grant
High-dimming-ratio avionics display
- Patent number 11,428,940
- Issue date Aug 30, 2022
- Garmin International, Inc.
- Iain P. Gillan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emission control device, light source device, and projection-...
- Patent number 11,032,880
- Issue date Jun 8, 2021
- Seiko Epson Corporation
- Atsushi Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Segmental driving of light emitting circuits
- Patent number 10,798,795
- Issue date Oct 6, 2020
- SIGNIFY HOLDING B.V.
- Henricus Marius Joseph Maria Kahlman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Signal generating circuit and signal generating method, driving cir...
- Patent number 10,582,597
- Issue date Mar 3, 2020
- BOE Technology Group Co., Ltd.
- Liming Xiu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Fast start fluorescent light bulb
- Patent number 10,529,551
- Issue date Jan 7, 2020
- Lucidity Lights, Inc.
- Harris Miller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting diode driving module, method of operating thereof, a...
- Patent number 10,383,184
- Issue date Aug 13, 2019
- Seoul Semiconductor Co., Ltd.
- SungHo Jin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light-emitting diode driving module, method of operating thereof, a...
- Patent number 10,165,632
- Issue date Dec 25, 2018
- Seoul Semiconductor Co., Ltd.
- SungHo Jin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-channel dual-mode digital control LED driving circuit and LED...
- Patent number 10,143,072
- Issue date Nov 27, 2018
- Shenzhen Skyworth-RGB Electronic Co., Ltd.
- Tianqi Sun
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control algorithm for an electronic dimming ballast of a UV lamp
- Patent number 10,143,073
- Issue date Nov 27, 2018
- XYLEM IP MANAGEMENT S.à r.l.
- Reiner Fietzek
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Segmental driving of light emitting circuits
- Patent number 10,076,006
- Issue date Sep 11, 2018
- Philips Lighting Holding B.V.
- Henricus Marius Joseph Maria Kahlman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Induction RF fluorescent lamp with processor-based external dimmer...
- Patent number 9,911,589
- Issue date Mar 6, 2018
- Lucidity Lights, Inc.
- John R. Goscha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,872,370
- Issue date Jan 16, 2018
- Seiko Epson Corporation
- Yoichi Nakagomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control of illumination devices using DC-DC converters
- Patent number 9,781,784
- Issue date Oct 3, 2017
- Texas Instruments Incorporated
- Bharath Patil
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for lighting interface messaging with reduced pow...
- Patent number 9,743,474
- Issue date Aug 22, 2017
- General Electric Company
- Nina Rose Scheidegger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Digital controller for an electronic ballast
- Patent number 9,578,727
- Issue date Feb 21, 2017
- John Lam
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,532,439
- Issue date Dec 27, 2016
- Seiko Epson Corporation
- Yoichi Nakagomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,439,274
- Issue date Sep 6, 2016
- Seiko Epson Corporation
- Yoichi Nakagomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controller for inserting signaling transitions onto a line voltage
- Patent number 9,398,651
- Issue date Jul 19, 2016
- Koninklijke Philips N.V.
- Ameya Dilip Shrotriya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of operating switch mode power converters, and controllers a...
- Patent number 9,385,613
- Issue date Jul 5, 2016
- NXP B.V.
- Wouter Groeneveld
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving device, light-emitting device, projection device, control m...
- Patent number 9,369,039
- Issue date Jun 14, 2016
- Casio Computer Co., Ltd.
- Hideo Hamanaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Line voltage switch event detection for LED assemblies
- Patent number 9,345,093
- Issue date May 17, 2016
- Dialog Semiconductor GmbH
- Stefan Zudrell-Koch
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Line synchronized electrical device and controlling method thereof
- Patent number 9,185,784
- Issue date Nov 10, 2015
- Richard Landry Gray
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dimming control for illumination systems
- Patent number 9,113,513
- Issue date Aug 18, 2015
- Cooledge Lighting Inc.
- Paul Jungwirth
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter for liquid crystal display
- Patent number 9,082,369
- Issue date Jul 14, 2015
- Samsung Display Co., Ltd.
- Woong-Kyu Min
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Digital controller for an electronic ballast
- Patent number 9,049,773
- Issue date Jun 2, 2015
- CISTEL TECHNOLOGY INC.
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of boosting a local dimming signal, boosting drive circuit f...
- Patent number 9,041,745
- Issue date May 26, 2015
- Samsung Display Co., Ltd.
- Se-Ki Park
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Identifying a current drawn by a load
- Patent number 8,942,936
- Issue date Jan 27, 2015
- Marvell International Ltd.
- Hubertus Notohamiprodjo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for driving lamp of liquid crystal display device
- Patent number 8,816,952
- Issue date Aug 26, 2014
- LG Display Co., Ltd.
- Moo Jong Lim
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting apparatus
- Patent number 8,810,149
- Issue date Aug 19, 2014
- Sharp Kabushiki Kaisha
- Noriaki Terazawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast
- Patent number 8,742,670
- Issue date Jun 3, 2014
- DELTA ELECTRONICS (SHANGHAI) CO., LTD.
- Yan Zhong
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HIGH-DIMMING-RATIO AVIONICS DISPLAY
- Publication number 20210311309
- Publication date Oct 7, 2021
- GARMIN INTERNATIONAL, INC.
- Iain P. Gillan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMISSION CONTROL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION-...
- Publication number 20200305245
- Publication date Sep 24, 2020
- SEIKO EPSON CORPORATION
- Atsushi YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAST START DIMMABLE RF INDUCTION LAMP
- Publication number 20200090922
- Publication date Mar 19, 2020
- Lucidity Lights, Inc.
- John R. Goscha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIMMING CONTROL FOR LIGHTING SYSTEMS AND METHODS THEREOF
- Publication number 20200037423
- Publication date Jan 30, 2020
- LUCIS TECHNOLOGIES (SHANGHAI) CO., LTD.
- Qingbin MENG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DIODE DRIVING MODULE, METHOD OF OPERATING THEREOF, A...
- Publication number 20190069357
- Publication date Feb 28, 2019
- SEOUL SEMICONDUCTOR CO., LTD.
- SungHo JIN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEGMENTAL DRIVING OF LIGHT EMITTING CIRCUITS
- Publication number 20190053338
- Publication date Feb 14, 2019
- PHILIPS LIGHTING HOLDING B.V.
- HENRICUS MARIUS JOSEPH MARIA KAHLMAN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DIODE DRIVING MODULE, METHOD OF OPERATING THEREOF, A...
- Publication number 20180295684
- Publication date Oct 11, 2018
- SEOUL SEMICONDUCTOR CO., LTD.
- SungHo JIN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROL ALGORITHM FOR AN ELECTRONIC DIMMING BALLAST OF A UV LAMP
- Publication number 20180077784
- Publication date Mar 15, 2018
- XYLEM IP MANAGEMENT S.à r.I.
- Reiner Fietzek
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FAST START FLUORESCENT LIGHT BULB
- Publication number 20170358441
- Publication date Dec 14, 2017
- Lucidity Lights, Inc.
- Tenzin Wangjor Nanchung
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-CHANNEL DUAL-MODE DIGITAL CONTROL LED DRIVING CIRCUIT AND LED...
- Publication number 20170295632
- Publication date Oct 12, 2017
- Shenzhen Skyworth-RGB Electronic Co., Ltd.
- Tianqi SUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...
- Publication number 20170071052
- Publication date Mar 9, 2017
- SEIKO EPSON CORPORATION
- Yoichi NAKAGOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Emitting Power of A Bulb Is Controlled By Regular Power OnOff Switc...
- Publication number 20160249422
- Publication date Aug 25, 2016
- Wen-Chau Wayne Hou
- F21 - LIGHTING
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...
- Publication number 20160066399
- Publication date Mar 3, 2016
- SEIKO EPSON CORPORATION
- Yoichi NAKAGOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND...
- Publication number 20150264786
- Publication date Sep 17, 2015
- SEIKO EPSON CORPORATION
- Junichi SUZUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND...
- Publication number 20150264787
- Publication date Sep 17, 2015
- SEIKO EPSON CORPORATION
- Junichi SUZUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...
- Publication number 20150103322
- Publication date Apr 16, 2015
- SEIKO EPSON CORPORATION
- Yoichi NAKAGOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INDUCTION RF FLUORESCENT LAMP WITH HELIX MOUNT
- Publication number 20140375203
- Publication date Dec 25, 2014
- John R. Goscha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INDUCTION RF FLUORESCENT LAMP WITH PROCESSOR-BASED EXTERNAL DIMMER...
- Publication number 20140368109
- Publication date Dec 18, 2014
- John R. Goscha
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC LED LIGHTING APPARATUS
- Publication number 20140292213
- Publication date Oct 2, 2014
- Seong Bok YOON
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INVERTER FOR LIQUID CRYSTAL DISPLAY
- Publication number 20140247205
- Publication date Sep 4, 2014
- SAMSUNG DISPLAY CO., LTD.
- Woong-Kyu MIN
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD OF OPERATING SWITCH MODE POWER CONVERTERS, AND CONTROLLERS A...
- Publication number 20140225532
- Publication date Aug 14, 2014
- NXP B.V.
- Wouter GROENEVELD
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITAL CONTROLLER FOR AN ELECTRONIC BALLAST
- Publication number 20140217917
- Publication date Aug 7, 2014
- John Lam
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fluorescent Lamp Power Supply
- Publication number 20130336015
- Publication date Dec 19, 2013
- Laurence P. Sadwick
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LUMINENCE CONTROL OF GAS-DISCHARGE LAMPS
- Publication number 20130293120
- Publication date Nov 7, 2013
- ROBERT BOSCH GmbH
- Scott Averitt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Control of Delivery of Current Through One or More Discharge Lamps
- Publication number 20130289910
- Publication date Oct 31, 2013
- Hubertus Notohamiprodjo
- G01 - MEASURING TESTING
Information Patent Application
ILLUMINATION DEVICE WITH ADJUSTABLE LUMINANCE AND LUMINANCE ADJUSTM...
- Publication number 20130278160
- Publication date Oct 24, 2013
- Lextar Electronics Corporation
- En-Min WU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method for Minimizing Stroboscopic Effects in PWM Driven Lighting
- Publication number 20130200817
- Publication date Aug 8, 2013
- Richard Landry Gray
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MULTI-LEVEL ADAPTIVE CONTROL CIRCUITRY FOR DEEP PHASE-CUT DIMMING C...
- Publication number 20130187557
- Publication date Jul 25, 2013
- Timothy Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DIMMABLE INSTANT START BALLAST
- Publication number 20130181627
- Publication date Jul 18, 2013
- Osram Sylvania Inc.
- Nitin Kumar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLAST
- Publication number 20130181608
- Publication date Jul 18, 2013
- DELTA ELECTRONICS (SHANGHAI) CO., LTD.
- Yan Zhong
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

by pulse width modulation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

High-dimming-ratio avionics display

Light emission control device, light source device, and projection-...

Segmental driving of light emitting circuits

Signal generating circuit and signal generating method, driving cir...

Fast start fluorescent light bulb

Light-emitting diode driving module, method of operating thereof, a...

Light-emitting diode driving module, method of operating thereof, a...

Multi-channel dual-mode digital control LED driving circuit and LED...

Control algorithm for an electronic dimming ballast of a UV lamp

Segmental driving of light emitting circuits

Induction RF fluorescent lamp with processor-based external dimmer...

Discharge lamp driving device, projector, and discharge lamp drivin...

Control of illumination devices using DC-DC converters

Method and system for lighting interface messaging with reduced pow...

Digital controller for an electronic ballast

Discharge lamp driving device, projector, and discharge lamp drivin...

Discharge lamp driving device, projector, and discharge lamp drivin...

Controller for inserting signaling transitions onto a line voltage

Method of operating switch mode power converters, and controllers a...

Driving device, light-emitting device, projection device, control m...

Line voltage switch event detection for LED assemblies

Line synchronized electrical device and controlling method thereof

Dimming control for illumination systems

Inverter for liquid crystal display

Digital controller for an electronic ballast

Method of boosting a local dimming signal, boosting drive circuit f...

Identifying a current drawn by a load

Apparatus and method for driving lamp of liquid crystal display device

Lighting apparatus

Electronic ballast

Patents Applicationslast 30 patents

HIGH-DIMMING-RATIO AVIONICS DISPLAY

LIGHT EMISSION CONTROL DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION-...

FAST START DIMMABLE RF INDUCTION LAMP

DIMMING CONTROL FOR LIGHTING SYSTEMS AND METHODS THEREOF

LIGHT-EMITTING DIODE DRIVING MODULE, METHOD OF OPERATING THEREOF, A...

SEGMENTAL DRIVING OF LIGHT EMITTING CIRCUITS

LIGHT-EMITTING DIODE DRIVING MODULE, METHOD OF OPERATING THEREOF, A...

CONTROL ALGORITHM FOR AN ELECTRONIC DIMMING BALLAST OF A UV LAMP

FAST START FLUORESCENT LIGHT BULB

MULTI-CHANNEL DUAL-MODE DIGITAL CONTROL LED DRIVING CIRCUIT AND LED...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

Emitting Power of A Bulb Is Controlled By Regular Power OnOff Switc...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

DISCHARGE LAMP DRIVING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND...

DISCHARGE LAMP DRIVING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

INDUCTION RF FLUORESCENT LAMP WITH HELIX MOUNT

INDUCTION RF FLUORESCENT LAMP WITH PROCESSOR-BASED EXTERNAL DIMMER...

AC LED LIGHTING APPARATUS

INVERTER FOR LIQUID CRYSTAL DISPLAY

METHOD OF OPERATING SWITCH MODE POWER CONVERTERS, AND CONTROLLERS A...

DIGITAL CONTROLLER FOR AN ELECTRONIC BALLAST

Fluorescent Lamp Power Supply

LUMINENCE CONTROL OF GAS-DISCHARGE LAMPS

Control of Delivery of Current Through One or More Discharge Lamps

ILLUMINATION DEVICE WITH ADJUSTABLE LUMINANCE AND LUMINANCE ADJUSTM...

Method for Minimizing Stroboscopic Effects in PWM Driven Lighting

MULTI-LEVEL ADAPTIVE CONTROL CIRCUITRY FOR DEEP PHASE-CUT DIMMING C...

DIMMABLE INSTANT START BALLAST

ELECTRONIC BALLAST