Inventor
LI QINGLONG
CN12 patents
⚠️ This page may combine multiple inventors who share the name “LI QINGLONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
5 patentsUS10043941B1Aug 7, 2018
Light emitting diode having improved quantum efficiency at low injection current
IBM2 citations72
US11201049B2Dec 14, 2021
Thiourea organic compound for gallium arsenide based optoelectronics surface passivation
IBM0 citations62
US11482573B2Oct 25, 2022
Multi-junction photovoltaic cells
IBM0 citations52
US10607831B2Mar 31, 2020
Thiourea organic compound for gallium arsenide based optoelectronics surface passivation
IBM0 citations52
US10529890B2Jan 7, 2020
Light emitting diode having improved quantum efficiency at low injection current
IBM0 citations51