Yang; Seung-Gak

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yang; Seung-Gak.The latest application filed is for "organic light-emitting device".

Company Profile

1.55.49

Yang; Seung-Gak - Yongin KR
YANG; Seung-Gak - Yongin-si KR
YANG; Seung Gak - Suwon-si KR
Yang; Seung-Gak - Yongin-City KR
Yang; Seung-gak - Seoul 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
Organic light-emitting device Grant 9,825,240 - Kim , et al. November 21, 2	2017-11-21
Organic Light-emitting Device App 20170170404 - KIM; Myeong-Suk ; et al.	2017-06-15
Heterocyclic compound and organic light-emitting diode including the same Grant 9,530,967 - Lee , et al. December 27, 2	2016-12-27
Organic Light Emitting Diode App 20160204356 - YANG; Seung Gak ; et al.	2016-07-14
Bipyridine-based compound and organic light emitting diode employing organic layer comprising the same Grant 9,296,695 - Kim , et al. March 29, 2	2016-03-29
Organic Light-emitting Device App 20150364697 - Kim; Myeong-Suk ; et al.	2015-12-17
Fused ring compound and organic light-emitting device including the same Grant 9,139,602 - Lee , et al. September 22, 2	2015-09-22
Condensed-cyclic compound and organic light emitting diode having organic layer including the same Grant 9,045,419 - Lee , et al. June 2, 2	2015-06-02
Condensed-cyclic compound, organic light-emitting device comprising the same, and flat panel display apparatus Grant 9,012,042 - Kim , et al. April 21, 2	2015-04-21
Condensed-cyclic compound, organic light-emitting device comprising the same, and flat panel display apparatus including the device Grant 8,999,525 - Lee , et al. April 7, 2	2015-04-07
Condensed-cyclic compound and organic light emitting diode including organic layer containing the condensed-cyclic compound Grant 9,000,420 - Kim , et al. April 7, 2	2015-04-07
Arylene containing polymer and organic light-emitting device including the same Grant 8,987,709 - Kim , et al. March 24, 2	2015-03-24
Heterocyclic compound and organic light-emitting device including the same Grant 8,927,120 - Yi , et al. January 6, 2	2015-01-06
Organic light-emitting compound and organic light-emitting device including the same Grant 8,920,946 - Lee , et al. December 30, 2	2014-12-30
Dendrimer and organic light-emitting device using the same Grant 8,900,725 - Kwak , et al. December 2, 2	2014-12-02
Dendrimer and organic light-emitting device using the same Grant 8,865,322 - Yi , et al. October 21, 2	2014-10-21
Anthracene-based Compound And Organic Light Emitting Diode Comprising The Same App 20140239263 - Kim; Hee-Yeon ; et al.	2014-08-28
Condensed-cyclic compound, organic light-emitting device comprising the same, and flat panel display apparatus Grant 8,808,880 - Kim , et al. August 19, 2	2014-08-19
Polymer compound and organic light-emitting device including the same Grant 8,691,930 - Lee , et al. April 8, 2	2014-04-08
Organic light-emitting device Grant 8,685,542 - Kim , et al. April 1, 2	2014-04-01
Novel Fused Ring Compound And Organic Light-emitting Device Including The Same App 20140001442 - Lee; Jung-Sub ; et al.	2014-01-02
Organic Light-emitting Compound And Organic Light-emitting Device Including The Same App 20140001443 - Lee; Jung-Sub ; et al.	2014-01-02
Apparatus For Refining Organic Material App 20130216968 - Lee; Jung-Sub ; et al.	2013-08-22
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20130200339 - Lee; Jung-Sub ; et al.	2013-08-08
Organic light emitting diode employing luminescent efficiency improvement layer Grant 8,420,230 - Yang , et al. April 16, 2	2013-04-16
Color filter array and organic light-emitting display device using the same Grant 8,409,727 - Yang , et al. April 2, 2	2013-04-02
Condensed-cyclic compound and organic light-emitting device including the same Grant 8,389,986 - Kim , et al. March 5, 2	2013-03-05
Anthracene-based compound and organic light emitting device employing the same Grant 8,367,219 - Park , et al. February 5, 2	2013-02-05
Anthracene-based compound and organic light emitting device employing the same Grant 8,367,220 - Park , et al. February 5, 2	2013-02-05
Organic light emitting diode including light-efficiency-improvement layer Grant 8,343,638 - Yang , et al. January 1, 2	2013-01-01
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20120326138 - Yi; Jeoung-In ; et al.	2012-12-27
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound Grant 8,334,060 - Hwang , et al. December 18, 2	2012-12-18
Condensed-cyclic Compound, Organic Light-emitting Device Comprising The Same, And Flat Panel Display Apparatus App 20120286247 - Kim; Hee-Yeon ; et al.	2012-11-15
Condensed-cyclic Compound, Organic Light-emitting Device Comprising The Same, And Flat Panel Display Apparatus App 20120286246 - Kim; Hee-Yeon ; et al.	2012-11-15
Condensed-cyclic Compound, Organic Light-emitting Device Comprising The Same, And Flat Panel Display Apparatus Including The Device App 20120286249 - Lee; Jae-Yong ; et al.	2012-11-15
Organic light emitting diode Grant 8,277,956 - Yang , et al. October 2, 2	2012-10-02
Dendrimer And Organic Light-emitting Device Using The Same App 20120013246 - KWAK; Yoon-Hyun ; et al.	2012-01-19
Dendrimer And Organic Light-emitting Device Using The Same App 20120013247 - YI; Jeoung-In ; et al.	2012-01-19
Organometallic complex, method of preparing the same and organic light emitting device comprising the same Grant 8,053,093 - Shin , et al. November 8, 2	2011-11-08
Organic Light Emitting Device App 20110266530 - Park; Soo-Jin ; et al.	2011-11-03
Condensed-cyclic Compound And Organic Light-emitting Device Including The Same App 20110240979 - Kim; Hee-Yeon ; et al.	2011-10-06
Polymer Compound And Organic Light-emitting Device Including The Same App 20110240975 - Lee; Jae-Yong ; et al.	2011-10-06
Organic light-emitting device App 20110240968 - Kim; Hee-Yeon ; et al.	2011-10-06
Phenylcarbazole-based compound and organic electroluminescent device employing the same Grant 8,021,765 - Hwang , et al. September 20, 2	2011-09-20
Phenylcarbazole-based compound and organic electroluminescent device employing the same Grant 8,021,764 - Hwang , et al. September 20, 2	2011-09-20
Condensed-cyclic Compound And Organic Light Emitting Diode Including Organic Layer Containing The Condensed-cyclic Compound App 20110084256 - Kim; Hee-Yeon ; et al.	2011-04-14
Polymer And Organic Light-emitting Device Including The Same App 20110084254 - Kim; Hee-Yeon ; et al.	2011-04-14
Condensed-cyclic Compound And Organic Light Emitting Diode Having Organic Layer Including The Same App 20110031484 - Lee; Kwan-Hee ; et al.	2011-02-10
Heterocycle-containing organometallic complex and organic light emitting device including the same Grant 7,875,369 - Shin , et al. January 25, 2	2011-01-25
Organic light emitting device and flat display including the same Grant 7,868,321 - Lee , et al. January 11, 2	2011-01-11
Imidazopyrimidine-based compound and organic light-emitting device employing organic layer including the same Grant 7,824,780 - Kim , et al. November 2, 2	2010-11-02
Fluorene-based compound and organic electroluminescent display device using the same Grant 7,737,627 - Hwang , et al. June 15, 2	2010-06-15
Triazine-based compound, method of making the same, and an organic light-emitting device including the same Grant 7,732,598 - Shin , et al. June 8, 2	2010-06-08
Organic light emitting diode employing luminescent efficiency improvement layer App 20100039026 - Yang; Seung-Gak ; et al.	2010-02-18
Organic Light Emitting Diode Including Light-Efficiency-Improvement Layer App 20100039029 - Yang; Seung-Gak ; et al.	2010-02-18
Organic light emitting diode App 20100038633 - Yang; Seung-Gak ; et al.	2010-02-18
Imidazopyridine-based compound and organic light emitting diode including organic layer comprising the imidazopyridine-based compound Grant 7,622,584 - Kim , et al. November 24, 2	2009-11-24
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound App 20090278451 - Hwang; Seok-Hwan ; et al.	2009-11-12
Bipyridine-based Compound And Organic Light Emitting Diode Employing Organic Layer Comprising The Same App 20090256473 - Kim; Hee-Yeon ; et al.	2009-10-15
Ir compound and organic electroluminescent device using the same Grant 7,585,573 - Lee , et al. September 8, 2	2009-09-08
Difluoropyridine-based compound and organic electroluminescent device using the same Grant 7,582,366 - Hwang , et al. September 1, 2	2009-09-01
Anthracene-based compound and organic light emitting device employing the same App 20090166670 - Park; Sang-hoon ; et al.	2009-07-02
Heteroaromatic cycle-containing compound, method of preparing the same and organic light emitting device comprising the same App 20090153035 - Shin; Jung-Han ; et al.	2009-06-18
Anthracene-based compound and organic light emitting device employing the same App 20090108746 - Park; Sang-hoon ; et al.	2009-04-30
Cyclopentaphenanthrene-based compound and organic light emitting device employing the same App 20090092853 - Park; Sang-hoon ; et al.	2009-04-09
Organometallic complex, method of preparing the same and organic light emitting device comprising the same App 20080311427 - Shin; Jung-Han ; et al.	2008-12-18
Phenylcarbazole compounds and organic electroluminescence devices using the same Grant 7,431,997 - Hwang , et al. October 7, 2	2008-10-07
Imidazopyrimidine-based Compound And Organic Light-emitting Device Employing Organic Layer Including The Same App 20080226945 - Kim; Hee-Yeon ; et al.	2008-09-18
Heterocycle-containing organometallic complex and organic light emitting device including the same App 20080176105 - Shin; Jung-Han ; et al.	2008-07-24
Imidazopyridine-based Compound And Organic Light Emitting Diode Including Organic Layer Comprising The Imidazopyridine-based Compound App 20080125593 - Kim; Hee-Yeon ; et al.	2008-05-29
Phenylcarbazole-based compound and organic electroluminescent device employing the same App 20080107919 - Hwang; Seok-Hwan ; et al.	2008-05-08
Imidazole ring-containing compound and organic electroluminescence display device Grant 7,351,481 - Lee , et al. April 1, 2	2008-04-01
Organic light emitting device and flat display including the same App 20070164278 - Lee; Chang-Ho ; et al.	2007-07-19
Color filter array and organic light-emitting display device using the same App 20070146915 - Yang; Seung Gak ; et al.	2007-06-28
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound App 20070018571 - Hwang; Seok-Hwan ; et al.	2007-01-25
Triazine-based compound, method of making the same, and an organic light-emitting device including the same App 20070015007 - Shin; Jung-Han ; et al.	2007-01-18
Difluoropyridine-based compound and organic electroluminescent device using the same App 20070015003 - Hwang; Seok-Hwan ; et al.	2007-01-18
Triarylamine-based compound for organic electroluminescent device and organic electroluminescent device employing the same App 20060134463 - Hwang; Seok-Hwan ; et al.	2006-06-22
Phenylcarbazole-based compound and organic electroluminescent device employing the same App 20060115680 - Hwang; Seok-Hwan ; et al.	2006-06-01
Phenylcarbazole compounds and organic electroluminescence devices using the same App 20060020136 - Hwang; Seok-Hwan ; et al.	2006-01-26
Iridium compound and organic electroluminescent device using the same App 20050287394 - Yang, Seung-Gak ; et al.	2005-12-29
Fluorene-based compound and organic electroluminescent display device using the same App 20050221124 - Hwang, Seok-Hwan ; et al.	2005-10-06
Ir compound and organic electroluminescent device using the same App 20050170209 - Lee, Seok-Jong ; et al.	2005-08-04
Imidazole ring-containing compound and organic electroluminescence display device App 20050079387 - Lee, Seok-Jong ; et al.	2005-04-14
Imidazole ring-containing compound and organic electroluminescence display device App 20050074632 - Lee, Seok-Jong ; et al.	2005-04-07
Selectively light-absorptive material, coating composition containing the same, and filter manufactured using the coating composition for color displays Grant 6,824,712 - Yang , et al. November 30, 2	2004-11-30