Inventor · disambiguated record
Chunxia Feng
Also filed as: FENG CHUNXIA
8 granted patents·1 pending application·3 citations·filing 2017–2020
75Inventor score
Top patents by PatentIndex Score
9 records- 0183US10400986B2Extremely wide distribution light-emitting diode (LED) lens for thin direct-lit backlightLUMILEDS HOLDING BV·Filed 2018·Granted Sep 3, 2019·2 cites·19 claims
- 0274US10578278B2Optical lens for extremely thin direct-lit backlightLUMILEDS HOLDING BV·Filed 2018·Granted Mar 3, 2020·1 cites·20 claims
- 0367US10845028B2Extremely wide distribution light-emitting diode (LED) lens for thin direct-lit backlightLUMILEDS HOLDING BV·Filed 2020·Granted Nov 24, 2020·0 cites·20 claims
- 0459US10584847B2Extremely wide distribution light-emitting diode (LED) lens for thin direct-lit backlightLUMILEDS HOLDING BV·Filed 2019·Granted Mar 10, 2020·0 cites·20 claims
- 0545US11242977B2Illumination device with element having annular coatingLUMILEDS LLC·Filed 2020·Granted Feb 8, 2022·0 cites·20 claims
- 0644US11137665B2Uniform, efficient, and color tunable ring flash for camera using LEDs with light emission from multiple sidesLUMILEDS LLC·Filed 2017·Granted Oct 5, 2021·0 cites·21 claims
- 0742US2019199900A1Variable field of view test platformLUMILEDS HOLDING BV·Filed 2018·Application pending·0 cites
- 0841US11199755B2Illumination device with light guide having angled light-accepting surfacesLUMILEDS LLC·Filed 2020·Granted Dec 14, 2021·0 cites·20 claims
- 0938US10930828B2Non-rotationally symmetric lens for non-rotationally symmetric light source resulting in rotationally symmetric beam patternLUMILEDS LLC·Filed 2017·Granted Feb 23, 2021·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →