Yifeng QIU

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless color tuning for constant-current driver
- Patent number 12,133,300
- Issue date Oct 29, 2024
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED lighting module
- Patent number 11,982,431
- Issue date May 14, 2024
- Lumileds LLC
- Nicola Bettina Pfeffer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light engines with dynamically controllable light distribution
- Patent number 11,946,616
- Issue date Apr 2, 2024
- Lumileds LLC
- Frederic Stephane Diana
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wide beam angle LED assembly
- Patent number 11,808,444
- Issue date Nov 7, 2023
- Lumileds LLC
- Yifeng Qiu
- F21 - LIGHTING
Information Patent Grant
Light engines with dynamically controllable light distribution
- Patent number 11,807,162
- Issue date Nov 7, 2023
- Lumileds LLC
- Frederic Stephane Diana
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wireless color tuning for constant-current driver
- Patent number 11,743,980
- Issue date Aug 29, 2023
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for wide-range CCT tuning that follows the black body line u...
- Patent number 11,700,679
- Issue date Jul 11, 2023
- Lumileds LLC
- Frederic Stephane Diana
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Unversal dimming emulator for LED driver
- Patent number 11,683,870
- Issue date Jun 20, 2023
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control design for perceptually uniform color tuning
- Patent number 11,523,482
- Issue date Dec 6, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting apparatus with reduced abrupt brightness changes
- Patent number 11,510,302
- Issue date Nov 22, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light engines with dynamically controllable light distribution
- Patent number 11,485,283
- Issue date Nov 1, 2022
- Lumileds LLC
- Frederic Stephane Diana
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wireless color tuning for constant-current driver
- Patent number 11,477,864
- Issue date Oct 18, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wireless color tuning for constant-current driver
- Patent number 11,432,380
- Issue date Aug 30, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for wide-range CCT tuning that follows the black body line u...
- Patent number 11,432,382
- Issue date Aug 30, 2022
- Lumileds LLC
- Frederic Stephane Diana
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting system including a power backup device
- Patent number 11,404,903
- Issue date Aug 2, 2022
- Lumileds LLC
- Yifeng Qiu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wide beam angle LED assembly
- Patent number 11,371,687
- Issue date Jun 28, 2022
- Lumileds LLC
- Yifeng Qiu
- F21 - LIGHTING
Information Patent Grant
Flexible low Z-height LED arrays with controllable light beams
- Patent number 11,333,821
- Issue date May 17, 2022
- Lumileds LLC
- Sudhir Subramanya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rayleigh spacing limited and low z-height LED arrays
- Patent number 11,314,012
- Issue date Apr 26, 2022
- Lumileds LLC
- Sudhir Subramanya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hybrid driving scheme for RGB color tuning
- Patent number 11,240,895
- Issue date Feb 1, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Offline lighting configuration tool
- Patent number 11,202,356
- Issue date Dec 14, 2021
- Lumileds LLC
- Alan Andrew McReynolds
- F21 - LIGHTING
Information Patent Grant
Dim-to-warm LED circuit
- Patent number 11,172,558
- Issue date Nov 9, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hybrid driving scheme for RGB color tuning
- Patent number 11,140,758
- Issue date Oct 5, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Time slicing method for multi-channel color tuning using a single c...
- Patent number 11,116,055
- Issue date Sep 7, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arbitrary-ratio analog current division circuit
- Patent number 11,109,457
- Issue date Aug 31, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting apparatus with reduced abrupt brightness changes
- Patent number 11,109,468
- Issue date Aug 31, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cuttable LED strip
- Patent number 11,098,860
- Issue date Aug 24, 2021
- Lumileds LLC
- Yifeng Qiu
- F21 - LIGHTING
Information Patent Grant
User control modality for LED color tuning
- Patent number 11,076,461
- Issue date Jul 27, 2021
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Selecting parameters in a color-tuning application
- Patent number 10,999,907
- Issue date May 4, 2021
- Lumileds LLC
- Yifeng Qiu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
LED-based light fixture
- Patent number 10,976,481
- Issue date Apr 13, 2021
- Lumileds LLC
- Jeroen Den Breejen
- G02 - OPTICS
Information Patent Grant
Dimming LED circuit augmenting DC/DC controller integrated circuit
- Patent number 10,959,306
- Issue date Mar 23, 2021
- Lumileds LLC
- Zhihua Song
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER
- Publication number 20240008150
- Publication date Jan 4, 2024
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED LIGHTING MODULE
- Publication number 20230204198
- Publication date Jun 29, 2023
- Nicola Bettina Pfeffer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION
- Publication number 20230120589
- Publication date Apr 20, 2023
- Lumileds LLC
- Frederic Stephane Diana
- B60 - VEHICLES IN GENERAL
Information Patent Application
WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER
- Publication number 20220369435
- Publication date Nov 17, 2022
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR WIDE-RANGE CCT TUNING THAT FOLLOWS THE BLACK BODY LINE U...
- Publication number 20220369437
- Publication date Nov 17, 2022
- Lumileds LLC
- Frederic Stephane Diana
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
WIDE BEAM ANGLE LED ASSEMBLY
- Publication number 20220268432
- Publication date Aug 25, 2022
- Lumileds LLC
- Yifeng Qiu
- F21 - LIGHTING
Information Patent Application
LOW Z-HEIGHT LED ARRAYS WITH CONTROLLABLE LIGHT BEAMS
- Publication number 20220214493
- Publication date Jul 7, 2022
- Lumileds LLC
- Sudhir SUBRAMANYA
- F21 - LIGHTING
Information Patent Application
UNVERSAL DIMMING EMULATOR FOR LED DRIVER
- Publication number 20220191988
- Publication date Jun 16, 2022
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING APPARATUS WITH REDUCED ABRUPT BRIGHTNESS CHANGES
- Publication number 20220132640
- Publication date Apr 28, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ULTRAVIOLET THERAPY WITH WHITE TUNING
- Publication number 20220118128
- Publication date Apr 21, 2022
- Lumileds LLC
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OFFLINE LIGHTING CONFIGURATION TOOL
- Publication number 20210204383
- Publication date Jul 1, 2021
- Lumileds LLC
- Alan Andrew McReynolds
- F21 - LIGHTING
Information Patent Application
LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION
- Publication number 20210091137
- Publication date Mar 25, 2021
- Lumileds LLC
- Frederic Stephane Diana
- F21 - LIGHTING
Information Patent Application
CONTROL DESIGN FOR PERCEPTUALLY UNIFORM COLOR TUNING
- Publication number 20210092811
- Publication date Mar 25, 2021
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HYBRID DRIVING SCHEME FOR RGB COLOR TUNING
- Publication number 20210084724
- Publication date Mar 18, 2021
- Lumileds Holding B.V.
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROL DESIGN FOR PERCEPTUALLY UNIFORM COLOR TUNING
- Publication number 20210037622
- Publication date Feb 4, 2021
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DIM-TO-WARM LED CIRCUIT
- Publication number 20200413514
- Publication date Dec 31, 2020
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION
- Publication number 20200391658
- Publication date Dec 17, 2020
- Lumileds LLC
- Frederic Stephane Diana
- B60 - VEHICLES IN GENERAL
Information Patent Application
WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER
- Publication number 20200383183
- Publication date Dec 3, 2020
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
USER CONTROL MODALITY FOR LED COLOR TUNING
- Publication number 20200367331
- Publication date Nov 19, 2020
- Lumileds Holding B.V.
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SELECTING PARAMETERS IN A COLOR-TUNING APPLICATION
- Publication number 20200351996
- Publication date Nov 5, 2020
- Lumileds Holding B.V.
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR WIDE-RANGE CCT TUNING THAT FOLLOWS THE BLACK BODY LINE U...
- Publication number 20200305251
- Publication date Sep 24, 2020
- Lumileds LLC
- Frederic Stephane Diana
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ILLUMINATION SYSTEM INCLUDING TUNABLE LIGHT ENGINE
- Publication number 20200260545
- Publication date Aug 13, 2020
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HYBRID DRIVING SCHEME FOR RGB COLOR TUNING
- Publication number 20200245420
- Publication date Jul 30, 2020
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED-BASED LIGHT FIXTURE
- Publication number 20200225399
- Publication date Jul 16, 2020
- Lumileds LLC
- Jeroen Den Breejen
- F21 - LIGHTING
Information Patent Application
TIME SLICING METHOD FOR MULTI-CHANNEL COLOR TUNING USING A SINGLE C...
- Publication number 20200214097
- Publication date Jul 2, 2020
- Lumileds Holding B.V.
- Yifeng Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ARBITRARY-RATIO ANALOG CURRENT DIVISION CIRCUIT
- Publication number 20200196411
- Publication date Jun 18, 2020
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT FIXTURE WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION
- Publication number 20200194493
- Publication date Jun 18, 2020
- Lumileds LLC
- Frederic Stephane Diana
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CUTTABLE LED STRIP
- Publication number 20200116316
- Publication date Apr 16, 2020
- Lumileds LLC
- Yifeng Qiu
- F21 - LIGHTING
Information Patent Application
ARBITRARY-RATIO ANALOG CURRENT DIVISION CIRCUIT
- Publication number 20200107418
- Publication date Apr 2, 2020
- Lumileds LLC
- Yifeng QIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION
- Publication number 20190377128
- Publication date Dec 12, 2019
- Frederic Stephane Diana
- F21 - LIGHTING

Person

Patents Grantslast 30 patents

Wireless color tuning for constant-current driver

LED lighting module

Light engines with dynamically controllable light distribution

Wide beam angle LED assembly

Light engines with dynamically controllable light distribution

Wireless color tuning for constant-current driver

Method for wide-range CCT tuning that follows the black body line u...

Unversal dimming emulator for LED driver

Control design for perceptually uniform color tuning

Lighting apparatus with reduced abrupt brightness changes

Light engines with dynamically controllable light distribution

Wireless color tuning for constant-current driver

Wireless color tuning for constant-current driver

Method for wide-range CCT tuning that follows the black body line u...

Lighting system including a power backup device

Wide beam angle LED assembly

Flexible low Z-height LED arrays with controllable light beams

Rayleigh spacing limited and low z-height LED arrays

Hybrid driving scheme for RGB color tuning

Offline lighting configuration tool

Dim-to-warm LED circuit

Hybrid driving scheme for RGB color tuning

Time slicing method for multi-channel color tuning using a single c...

Arbitrary-ratio analog current division circuit

Lighting apparatus with reduced abrupt brightness changes

Cuttable LED strip

User control modality for LED color tuning

Selecting parameters in a color-tuning application

LED-based light fixture

Dimming LED circuit augmenting DC/DC controller integrated circuit

Patents Applicationslast 30 patents

WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER

LED LIGHTING MODULE

LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION

WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER

METHOD FOR WIDE-RANGE CCT TUNING THAT FOLLOWS THE BLACK BODY LINE U...

WIDE BEAM ANGLE LED ASSEMBLY

LOW Z-HEIGHT LED ARRAYS WITH CONTROLLABLE LIGHT BEAMS

UNVERSAL DIMMING EMULATOR FOR LED DRIVER

LIGHTING APPARATUS WITH REDUCED ABRUPT BRIGHTNESS CHANGES

ULTRAVIOLET THERAPY WITH WHITE TUNING

OFFLINE LIGHTING CONFIGURATION TOOL

LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION

CONTROL DESIGN FOR PERCEPTUALLY UNIFORM COLOR TUNING

HYBRID DRIVING SCHEME FOR RGB COLOR TUNING

CONTROL DESIGN FOR PERCEPTUALLY UNIFORM COLOR TUNING

DIM-TO-WARM LED CIRCUIT

LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION

WIRELESS COLOR TUNING FOR CONSTANT-CURRENT DRIVER

USER CONTROL MODALITY FOR LED COLOR TUNING

SELECTING PARAMETERS IN A COLOR-TUNING APPLICATION

METHOD FOR WIDE-RANGE CCT TUNING THAT FOLLOWS THE BLACK BODY LINE U...

ILLUMINATION SYSTEM INCLUDING TUNABLE LIGHT ENGINE

HYBRID DRIVING SCHEME FOR RGB COLOR TUNING

LED-BASED LIGHT FIXTURE

TIME SLICING METHOD FOR MULTI-CHANNEL COLOR TUNING USING A SINGLE C...

ARBITRARY-RATIO ANALOG CURRENT DIVISION CIRCUIT

LIGHT FIXTURE WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION

CUTTABLE LED STRIP

ARBITRARY-RATIO ANALOG CURRENT DIVISION CIRCUIT

LIGHT ENGINES WITH DYNAMICALLY CONTROLLABLE LIGHT DISTRIBUTION