Inventor
SONG ZHI HUA
US24 patents
⚠️ This page may combine multiple inventors who share the name “SONG ZHI HUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUMILEDS LLC
23 patentsUS11895748B2Feb 6, 2024
Current control for LED pixel arrays
LUMILEDS LLC3 citations74
US12089307B2Sep 10, 2024
Dynamically regulated micro-LED pixel array
LUMILEDS LLC2 citations72
US11716800B2Aug 1, 2023
Micro-LED amplitude control system
LUMILEDS LLC1 citations72
US11438982B2Sep 6, 2022
LED pulse width modulation with active turn-off
LUMILEDS LLC3 citations72
US11343890B2May 24, 2022
Micro-LED amplitude control system
LUMILEDS LLC3 citations72
US10757767B2Aug 25, 2020
DC-DC converter circuit configuration
LUMILEDS LLC2 citations72
US12328803B2Jun 10, 2025
Multiple power supply circuit for LED array
LUMILEDS LLC0 citations62
US12167515B2Dec 10, 2024
Current control for LED pixel arrays
LUMILEDS LLC0 citations62
US12160940B2Dec 3, 2024
Voltage supply amplitude modulation driving outlier microLEDs
LUMILEDS LLC0 citations62
US12052805B2Jul 30, 2024
Micro-LED amplitude control system
LUMILEDS LLC0 citations62
US11889606B2Jan 30, 2024
Universal asynchronous receiver/transmitter interface for light emitting diode system
LUMILEDS LLC0 citations62
US11877367B2Jan 16, 2024
Dynamically regulated micro-LED pixel array
LUMILEDS LLC0 citations62
US11864283B2Jan 2, 2024
Temperature sensing for a micro-LED array
LUMILEDS LLC0 citations62
US11743989B2Aug 29, 2023
Voltage supply amplitude modulation driving outlier microLEDs
LUMILEDS LLC1 citations62
US11612031B2Mar 21, 2023
DC-DC converter circuit configuration
LUMILEDS LLC1 citations62
US11343888B1May 24, 2022
MicroLED power considering outlier pixel dynamic resistance
LUMILEDS LLC1 citations62
US11756947B2Sep 12, 2023
Light-emitting diode lighting system with wirebonded hybridized device
LUMILEDS LLC0 citations56
US12342430B2Jun 24, 2025
MicroLED array with adaptive PWM phase shift
LUMILEDS LLC0 citations51
US11246203B2Feb 8, 2022
Tapped single-stage buck converter LED driver
LUMILEDS LLC0 citations51
US11233449B2Jan 25, 2022
Tapped single-stage buck converter LED driver
LUMILEDS LLC0 citations51
US10841991B2Nov 17, 2020
Dimmer interface having reduced power consumption
LUMILEDS LLC0 citations51
US10462863B2Oct 29, 2019
Dimmer interface having reduced power consumption
LUMILEDS LLC0 citations51
US11935461B2Mar 19, 2024
LED driver voltage accounting for temperature estimate
LUMILEDS LLC0 citations42