Ahn; Hee-Choon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ahn; Hee-Choon.The latest application filed is for "multi-component host material and an organic electroluminescence device comprising the same".

Company Profile

7.8.41

Ahn; Hee-Choon - Gyeonggi-do KR
Ahn; Hee-Choon - Seoul KR
Ahn; Hee-Choon - Suwon KR
Ahn; Hee-Choon - Suwon-si KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electron buffering materials, electron transport materials and organic electroluminescent device comprising the same Grant 11,394,000 - Ahn , et al. July 19, 2	2022-07-19
Multi-component Host Material And An Organic Electroluminescence Device Comprising The Same App 20220216430 - AHN; Hee-Choon ; et al.	2022-07-07
Multi-component Host Material And An Organic Electroluminescence Device Comprising The Same App 20220216429 - AHN; Hee-Choon ; et al.	2022-07-07
Organic Electroluminescent Compounds And Organic Electroluminescent Device Comprising The Same App 20220186114 - Ahn; Hee-Choon	2022-06-16
Organic Electroluminescent Device App 20220102644 - PARK; Kyoung-Jin ; et al.	2022-03-31
Organic Electroluminescent Device App 20220102633 - PARK; Kyoung-Jin ; et al.	2022-03-31
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20220077405 - AHN; Hee-Choon ; et al.	2022-03-10
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20210210697 - AHN; Hee-Choon ; et al.	2021-07-08
Organic electroluminescent compound, and organic electroluminescent material and organic electroluminescent device comprising the same Grant 10,886,474 - Moon , et al. January 5, 2	2021-01-05
Organic electroluminescent compounds and an organic electroluminescent device comprising the same Grant 10,633,583 - Lee , et al.	2020-04-28
Organic Electroluminescent Compounds And Organic Electroluminescent Device Comprising The Same App 20200106027 - AHN; Hee-Choon	2020-04-02
Organic electroluminescent compounds and organic electroluminescent device comprising the same Grant 10,529,933 - Ahn J	2020-01-07
Organic Electroluminescent Device Comprising An Electron Buffer Layer And An Electron Transport Layer App 20190207125 - AHN; Hee-Choon ; et al.	2019-07-04
Organic electroluminescent compound and organic electroluminescent device comprising the same Grant 10,319,918 - Kang , et al.	2019-06-11
Organic Electroluminescent Compounds And Organic Electroluminescent Device Comprising The Same App 20180351113 - Ahn; Hee-Choon	2018-12-06
Electron Buffering Materials, Electron Transport Materials And Organic Electroluminescent Device Comprising The Same App 20180323397 - AHN; Hee-Choon ; et al.	2018-11-08
Plurality of host materials and an organic electroluminescence device comprising the same Grant 10,069,086 - Kim , et al. September 4, 2	2018-09-04
Organic Electroluminescent Compounds And Organic Electroluminescent Device Comprising The Same App 20180208837 - Ahn; Hee-Choon	2018-07-26
Luminescent Material For Delayed Fluorescence And Organic Electroluminescent Device Comprising The Same App 20180190912 - Jeon; Jeong-Hwan ; et al.	2018-07-05
Organic Electroluminescent Compound And Organic Electroluminescent Device Comprising The Same App 20170352814 - Kang; Hyun-Ju ; et al.	2017-12-07
Novel Organic Electroluminescent Compounds And An Organic Electroluminescent Device Comprising The Same App 20170305854 - Lee; Su-Hyun ; et al.	2017-10-26
Organic Electroluminescent Compound, And Organic Electroluminescent Material And Organic Electroluminescent Device Comprising The Same App 20170294590 - Moon; Doo-Hyeon ; et al.	2017-10-12
A Plurality Of Host Materials And An Organic Electroluminescence Device Comprising The Same App 20170279056 - Kim; Bitnari ; et al.	2017-09-28
Organic electroluminescent compound and organic electroluminescent device comprising the same Grant 9,768,394 - Kang , et al. September 19, 2	2017-09-19
A Hole Transport Material And An Organic Electroluminescent Device Comprising The Same App 20170256722 - Shim; Jae-Hoon ; et al.	2017-09-07
Organic Electroluminescent Device App 20170213968 - Park; Kyoung-Jin ; et al.	2017-07-27
Organic Electroluminescent Device App 20170207396 - Park; Kyoung-Jin ; et al.	2017-07-20
Organic Electroluminescent Device App 20170170408 - Park; Kyoung-Jin ; et al.	2017-06-15
Organic Electroluminescent Compound And Organic Electroluminescent Device Comprising The Same App 20170141326 - Kang; Hyun-Ju ; et al.	2017-05-18
Multi-component Host Material And An Organic Electroluminescence Device Comprising The Same App 20170125699 - Ahn; Hee-Choon ; et al.	2017-05-04
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20170117488 - Ahn; Hee-Choon ; et al.	2017-04-27
Multi-component Host Material And An Organic Electroluminescence Device Comprising The Same App 20170098784 - Kim; Chi-Sik ; et al.	2017-04-06
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20170077423 - Ahn; Hee-Choon ; et al.	2017-03-16
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20170062730 - Ahn; Hee-Choon ; et al.	2017-03-02
Multi-component Host Material And Organic Electroluminescent Device Comprising The Same App 20170047527 - Lee; Seon-Woo ; et al.	2017-02-16
Organic electroluminescent compounds, layers and organic electroluminescent device using the same Grant 9,287,512 - Ahn , et al. March 15, 2	2016-03-15
Novel Organic Electroluminescent Compounds, Layers and Organic Electroluminescent Device Using The Same App 20150357583 - Ahn; Hee-Choon ; et al.	2015-12-10
Novel Organic Electroluminescent Compounds and Organic Electroluminescent Device Using The Same App 20150171346 - Ahn; Hee-Choon ; et al.	2015-06-18
Novel Organic Electroluminescence Compounds And Organic Electroluminescence Device Containing The Same App 20150155498 - Ahn; Hee-Choon ; et al.	2015-06-04
Novel Organic Electroluminescence Compounds And Organic Electroluminescence Device Containing The Same App 20150133662 - Ahn; Hee-Choon ; et al.	2015-05-14
Novel Organic Electroluminescent Compounds And Organic Electroluminescent Device Comprising The Same App 20150105563 - Ahn; Hee-Choon ; et al.	2015-04-16
Novel Organic Electroluminescent Compounds And Organic Electroluminescent Device Using The Same App 20150025239 - Ahn; Hee-Choon ; et al.	2015-01-22
Novel Organic Electroluminescent Compounds And Organic Electroluminescent Device Using The Same App 20140364625 - Ahn; Hee-Choon ; et al.	2014-12-11
Novel Organic Electroluminescent Compounds And An Organic Electroluminescent Device Usinc The Same App 20140323723 - Ahn; Hee-Choon ; et al.	2014-10-30
Novel Organic Electroluminescent Compounds And Organic Electroluminescent Device Using The Same App 20140107338 - Ahn; Hee-Choon ; et al.	2014-04-17
Novel Compounds For Organic Electronic Material And Organic Electroluminescent Device Using The Same App 20140061609 - Kim; Nam Kyun ; et al.	2014-03-06

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