Inventor
LIU YUANQIANG
CN9 patents
⚠️ This page may combine multiple inventors who share the name “LIU YUANQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIGNIFY HOLDING BV
7 patentsUS11997770B2May 28, 2024
Mechanism for controlling a driver arrangement
SIGNIFY HOLDING BV0 citations55
US11466818B2Oct 11, 2022
Lighting unit such as a bulb
SIGNIFY HOLDING BV0 citations55
US12063727B2Aug 13, 2024
Tubular LED lamp and a circuit used for the lamp
SIGNIFY HOLDING BV0 citations49
US11582849B2Feb 14, 2023
LED driver for LED lighting units for replacing a high-intensity discharge lamp
SIGNIFY HOLDING BV0 citations48
US11540376B2Dec 27, 2022
Power source type determiner
SIGNIFY HOLDING BV0 citations48
US11277898B2Mar 15, 2022
Retrofit light emitting diode, LED, lighting device for connection to a ballast, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector
SIGNIFY HOLDING BV0 citations45
US12144075B2Nov 12, 2024
Lighting device which receives power from an external power supply
SIGNIFY HOLDING BV0 citations39