Chunxia FENG

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Illumination device with element having annular coating
- Patent number 11,242,977
- Issue date Feb 8, 2022
- Lumileds LLC
- Chunxia Feng
- F21 - LIGHTING
Information Patent Grant
Illumination device with light guide having angled light-accepting...
- Patent number 11,199,755
- Issue date Dec 14, 2021
- Lumileds LLC
- Varun Dev Kakkar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Uniform, efficient, and color tunable ring flash for camera using L...
- Patent number 11,137,665
- Issue date Oct 5, 2021
- Lumileds LLC
- Varun Dev Kakkar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Uniform, efficient, and color tunable ring flash for camera using L...
- Patent number 11,003,051
- Issue date May 11, 2021
- Lumileds Holding B.V.
- Varun Dev Kakkar
- G02 - OPTICS
Information Patent Grant
Illumination device with light guide having angled light-accepting...
- Patent number 10,948,804
- Issue date Mar 16, 2021
- Lumileds LLC
- Varun Dev Kakkar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Non-rotationally symmetric lens for non-rotationally symmetric ligh...
- Patent number 10,930,828
- Issue date Feb 23, 2021
- Lumileds LLC
- Varun Dev Kakkar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Extremely wide distribution light-emitting diode (LED) lens for thi...
- Patent number 10,845,028
- Issue date Nov 24, 2020
- Lumileds LLC
- Chunxia Feng
- F21 - LIGHTING
Information Patent Grant
Extremely wide distribution light-emitting diode (LED) lens for thi...
- Patent number 10,584,847
- Issue date Mar 10, 2020
- Lumileds Holding B.V.
- Chunxia Feng
- F21 - LIGHTING
Information Patent Grant
Optical lens for extremely thin direct-lit backlight
- Patent number 10,578,278
- Issue date Mar 3, 2020
- Lumileds Holding B.V.
- Chunxia Feng
- F21 - LIGHTING
Information Patent Grant
Extremely wide distribution light-emitting diode (LED) lens for thi...
- Patent number 10,400,986
- Issue date Sep 3, 2019
- Lumileds Holding B.V.
- Chunxia Feng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ILLUMINATION DEVICE WITH LIGHT GUIDE HAVING ANGLED LIGHT-ACCEPTING...
- Publication number 20200264494
- Publication date Aug 20, 2020
- Lumileds Holding B.V.
- Varun Dev Kakkar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...
- Publication number 20200158311
- Publication date May 21, 2020
- Lumileds Holding B.V.
- Chunxia Feng
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE WITH ELEMENT HAVING ANNULAR COATING
- Publication number 20200158313
- Publication date May 21, 2020
- Lumileds Holding B.V.
- Chunxia Feng
- G02 - OPTICS
Information Patent Application
EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...
- Publication number 20190353326
- Publication date Nov 21, 2019
- Chunxia Feng
- F21 - LIGHTING
Information Patent Application
NON-ROTATIONALLY SYMMETRIC LENS FOR NON-ROTATIONALLY SYMMETRIC LIGH...
- Publication number 20190348583
- Publication date Nov 14, 2019
- Lumileds LLC
- Varun Dev KAKKAR
- F21 - LIGHTING
Information Patent Application
VARIABLE FIELD OF VIEW TEST PLATFORM
- Publication number 20190199900
- Publication date Jun 27, 2019
- Lumileds Holding B.V.
- Chunxia FENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...
- Publication number 20190041029
- Publication date Feb 7, 2019
- Lumileds Holding B.V.
- Chunxia FENG
- F21 - LIGHTING
Information Patent Application
UNIFORM, EFFICIENT, AND COLOR TUNABLE RING FLASH FOR CAMERA USING L...
- Publication number 20190033688
- Publication date Jan 31, 2019
- Lumileds Holding B.V.
- Varun Dev KAKKAR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LENS FOR EXTREMELY THIN DIRECT-LIT BACKLIGHT
- Publication number 20180347786
- Publication date Dec 6, 2018
- Lumileds Holding B.V.
- Chunxia FENG
- F21 - LIGHTING

Chunxia FENG

Person

Patents Grantslast 30 patents

Illumination device with element having annular coating

Illumination device with light guide having angled light-accepting...

Uniform, efficient, and color tunable ring flash for camera using L...

Uniform, efficient, and color tunable ring flash for camera using L...

Illumination device with light guide having angled light-accepting...

Non-rotationally symmetric lens for non-rotationally symmetric ligh...

Extremely wide distribution light-emitting diode (LED) lens for thi...

Extremely wide distribution light-emitting diode (LED) lens for thi...

Optical lens for extremely thin direct-lit backlight

Extremely wide distribution light-emitting diode (LED) lens for thi...

Patents Applicationslast 30 patents

ILLUMINATION DEVICE WITH LIGHT GUIDE HAVING ANGLED LIGHT-ACCEPTING...

EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...

ILLUMINATION DEVICE WITH ELEMENT HAVING ANNULAR COATING

EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...

NON-ROTATIONALLY SYMMETRIC LENS FOR NON-ROTATIONALLY SYMMETRIC LIGH...

VARIABLE FIELD OF VIEW TEST PLATFORM

EXTREMELY WIDE DISTRIBUTION LIGHT-EMITTING DIODE (LED) LENS FOR THI...

UNIFORM, EFFICIENT, AND COLOR TUNABLE RING FLASH FOR CAMERA USING L...

OPTICAL LENS FOR EXTREMELY THIN DIRECT-LIT BACKLIGHT