Inventor
KOTTAS GREGG
US70 patents
⚠️ This page may combine multiple inventors who share the name “KOTTAS GREGG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIVERSAL DISPLAY CORP
38 patentsUS9461254B2Oct 4, 2016
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP100 citations98
US10297762B2May 21, 2019
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP25 citations94
US8987451B2Mar 24, 2015
Synthesis of cyclometallated platinum(II) complexes
UNIVERSAL DISPLAY CORP47 citations94
US9184397B2Nov 10, 2015
Heteroleptic iridium complexes as dopants
UNIVERSAL DISPLAY CORP18 citations93
US10704144B2Jul 7, 2020
Apparatus and method for printing multilayer organic thin films from vapor phase in an ultra-pure gas ambient
UNIVERSAL DISPLAY CORP12 citations86
US9929353B2Mar 27, 2018
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP21 citations86
US11380854B2Jul 5, 2022
Heteroleptic iridium complexes as dopants
UNIVERSAL DISPLAY CORP4 citations84
US11104988B2Aug 31, 2021
Modular confined organic print head and system
UNIVERSAL DISPLAY CORP6 citations84
US10312458B2Jun 4, 2019
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP6 citations84
US9997716B2Jun 12, 2018
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP10 citations84
US10566534B2Feb 18, 2020
Apparatus and method to deliver organic material via organic vapor-jet printing (OVJP)
UNIVERSAL DISPLAY CORP8 citations83
US11751466B2Sep 5, 2023
Apparatus and method to deliver organic material via organic vapor jet printing (OVJP)
UNIVERSAL DISPLAY CORP5 citations75
US12065728B2Aug 20, 2024
Apparatus and method to deliver organic material via organic vapor jet printing (OVJP)
UNIVERSAL DISPLAY CORP2 citations73
US11456423B2Sep 27, 2022
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP2 citations73
US11121320B2Sep 14, 2021
Organic vapor jet print head with redundant groups of depositors
UNIVERSAL DISPLAY CORP3 citations73
US11024811B2Jun 1, 2021
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP1 citations73
US10998507B2May 4, 2021
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP2 citations73
US10818840B2Oct 27, 2020
Segmented print bar for large-area OVJP deposition
UNIVERSAL DISPLAY CORP6 citations73
US10381580B2Aug 13, 2019
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP4 citations73
US10214551B2Feb 26, 2019
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP3 citations73
US10177316B2Jan 8, 2019
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP6 citations73
US10056565B2Aug 21, 2018
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP2 citations73
US9978961B2May 22, 2018
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP2 citations73
US9871214B2Jan 16, 2018
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP2 citations73
US9673406B2Jun 6, 2017
Metal complexes with boron-nitrogen heterocycle containing ligands
UNIVERSAL DISPLAY CORP4 citations73
US9502672B2Nov 22, 2016
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP6 citations73
US11220737B2Jan 11, 2022
Systems and methods of modulating flow during vapor jet deposition of organic materials
UNIVERSAL DISPLAY CORP2 citations72
US11588140B2Feb 21, 2023
Organic vapor jet print head for depositing thin film features with high thickness uniformity
UNIVERSAL DISPLAY CORP2 citations71
US11168391B2Nov 9, 2021
Nozzle exit contours for pattern composition
UNIVERSAL DISPLAY CORP3 citations70
US11121322B2Sep 14, 2021
Apparatus and method to deliver organic material via organic vapor-jet printing (OVJP)
UNIVERSAL DISPLAY CORP2 citations70
US12442068B2Oct 14, 2025
OVJP deposition nozzle with delivery flow retarders
UNIVERSAL DISPLAY CORP1 citations64
US12408242B2Sep 2, 2025
Heteroleptic iridium complexes as dopants
UNIVERSAL DISPLAY CORP0 citations63
US12312675B2May 27, 2025
Organic vapor jet printing system
UNIVERSAL DISPLAY CORP0 citations63
US12089482B2Sep 10, 2024
Organic vapor jet printing system
UNIVERSAL DISPLAY CORP0 citations63
US11976360B2May 7, 2024
Organic vapor jet printing system
UNIVERSAL DISPLAY CORP0 citations63
US11957047B2Apr 9, 2024
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP0 citations63
US11910700B2Feb 20, 2024
Heteroleptic iridium complexes as dopants
UNIVERSAL DISPLAY CORP0 citations63
US11832456B2Nov 28, 2023
Organic electroluminescent materials and devices
UNIVERSAL DISPLAY CORP0 citations63
KOTTAS GREGG
4 patentsUS8709615B2Apr 29, 2014
Heteroleptic iridium complexes as dopants
KOTTAS GREGG39 citations97
US9783564B2Oct 10, 2017
Organic electroluminescent materials and devices
KOTTAS GREGG17 citations92
US8795850B2Aug 5, 2014
Phosphorescent heteroleptic phenylbenzimidazole dopants and new synthetic methodology
KOTTAS GREGG16 citations89
US9073948B2Jul 7, 2015
Azaborine compounds as host materials and dopants for PHOLEDs
KOTTAS GREGG8 citations83
ZENG LICHANG
3 patentsXIA CHUANJUN
1 patentBEERS SCOTT
1 patentKWONG RAYMOND
1 patentTSAI JUI YI
1 patentTSAI JUI-YI
1 patentShowing the top 50 of 70 patents by PatentIndex Score.