Inventor
KWONG CHI YUEN RAYMOND
CN38 patents
Patents
38 patentsUS12156466B2Nov 26, 2024
Organic electroluminescent material and device
BEIJING SUMMER SPROUT TECH CO LTD2 citations72
US11708356B2Jul 25, 2023
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD1 citations62
US11653559B2May 16, 2023
Metal complex containing a first ligand, a second ligand, and a third ligand
BEIJING SUMMER SPROUT TECH CO LTD2 citations60
US12239018B2Feb 25, 2025
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD1 citations59
US11993617B2May 28, 2024
Organic luminescent material having an ancillary ligand with a partially fluorine-substituted substituent
BEIJING SUMMER SPROUT TECH CO LTD1 citations59
US11737297B2Aug 22, 2023
Organic electroluminescent device
BEIJING SUMMER SPROUT TECH CO LTD0 citations59
US12433149B2Sep 30, 2025
Phosphorescent organometallic complex and device thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations52
US12389790B2Aug 12, 2025
Organic electroluminescent material and device
BEIJING SUMMER SPROUT TECH CO LTD0 citations52
US12145954B2Nov 19, 2024
Silicon-containing electron transporting material and its application
BEIJING SUMMER SPROUT TECH CO LTD0 citations52
US12522624B2Jan 13, 2026
Electroluminescent material and device thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US12426502B2Sep 23, 2025
Electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US12281082B2Apr 22, 2025
Electroluminescent material and device
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US11952390B2Apr 9, 2024
Phosphorescent organic metal complex and use thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US11785839B2Oct 10, 2023
Organic light-emitting materials containing cyano-substituted ligand
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US11498937B2Nov 15, 2022
Organic luminescent material including 3-deuterium-substituted isoquinoline ligand
BEIJING SUMMER SPROUT TECH CO LTD0 citations51
US12595277B2Apr 7, 2026
Light-emitting material with a polycyclic ligand
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12557543B2Feb 17, 2026
Light-emitting material with a polycyclic ligand
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12552821B2Feb 17, 2026
Organic electroluminescent material and device thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12486236B2Dec 2, 2025
Electroluminescent device
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12457893B2Oct 28, 2025
Organic electroluminescent device
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12454538B2Oct 28, 2025
Stacked organic electroluminescent device
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12167674B2Dec 10, 2024
Metal complex with fluorine substitution
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US11950507B2Apr 2, 2024
Organic electroluminescence device
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US11897896B2Feb 13, 2024
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US11581498B2Feb 14, 2023
Organic luminescent material containing 6-silyl-substituted isoquinoline ligand
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US11466009B2Oct 11, 2022
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US11466026B2Oct 11, 2022
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations50
US12514116B2Dec 30, 2025
Organic electroluminescent device
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12421247B2Sep 23, 2025
Organic electroluminescent material and device thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12398150B2Aug 26, 2025
Organic electroluminescent material and device thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12302753B2May 13, 2025
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12274167B2Apr 8, 2025
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12207550B2Jan 21, 2025
Organic electroluminescent materials and devices
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US12201014B2Jan 14, 2025
Metal complex, electroluminescent device including the same, and use thereof
BEIJING SUMMER SPROUT TECH CO LTD0 citations49
US11937499B2Mar 19, 2024
Aromatic amine derivative and organic electroluminescent devices containing the same
BEIJING SUMMER SPROUT TECH CO LTD0 citations48
US11492360B2Nov 8, 2022
Organic compound and electroluminescent device containing the same
BEIJING SUMMER SPROUT TECH CO LTD0 citations47
US12245497B2Mar 4, 2025
Organic light emitting material
BEIJING SUMMER SPROUT TECH CO LTD0 citations46
US12421261B2Sep 23, 2025
Organic light emitting material
BEIJING SUMMER SPROUT TECH CO LTD0 citations45