Patent Assignment
Reel/Frame 069316/0857
Change of Name
Recorded: 2024-11-11
Pages: 8
Assignor
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Executed: 2024-09-27
Assignee
DUPONT SPECIALTY MATERIALS KOREA LTD.
56, 3GONGDAN 1-RO SEOBUK-GU CHEONAN-SI, CHUNGCHEONGNAM-DO, 31093, KOREA, REPUBLIC OF
Covered Properties
(147)
A Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/594,285 →
Publication:
US US20240381764A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Multi-Component Host Material and Organic Electroluminescent Device Comprising the Same
Multi-Component Host Material and an Organic Electroluminescence Device Comprising the Same
Multi-Component Host Material and Organic Electroluminescent Device Comprising the Same
Application:
17/679,220 →
Publication:
US US20230020540A1
Multi-Component Host Material and Organic Electroluminescent Device Comprising the Same
Application:
17/186,085 →
Publication:
US US20210210697A1
Organic Electroluminescent Device
Application:
17/532,265 →
Publication:
US US20220102644A1
Organic Electroluminescent Device
Application:
18/530,611 →
Publication:
US US20240147845A1
Organic Electroluminescent Compounds and Organic Electroluminescent Device Comprising the Same
Application:
18/581,733 →
Publication:
US US20240228873A1
Phosphorous Host Material and Organic Electroluminescent Device Comprising the Same
Application:
18/302,882 →
Publication:
US US20230272275A1
Multi-Component Host Material and Organic Electroluminescent Device Comprising the Same
Application:
18/509,819 →
Publication:
US US20240099132A1
Organic Electroluminescent Compounds and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compounds and Organic Electroluminescent Device Comprising the Same
Application:
18/510,976 →
Publication:
US US20240083876A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
16/092,826 →
Publication:
US US20190131542A1
Organic Electroluminescent Device
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/666,885 →
Publication:
US US20220165969A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/344,288 →
Publication:
US US20240057472A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/506,195 →
Publication:
US US20240122069A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
16/631,186 →
Publication:
US US20200216392A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/192,841 →
Publication:
US US20230255110A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/296,538 →
Publication:
US US20230242518A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/522,818 →
Publication:
US US20240101892A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/263,135 →
Publication:
US US20210184137A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/264,742 →
Publication:
US US20210328154A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/264,745 →
Publication:
US US20220102645A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/430,070 →
Publication:
US US20240188432A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/285,822 →
Publication:
US US20220123233A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/423,767 →
Publication:
US US20220144855A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/425,681 →
Publication:
US US20220131081A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/432,359 →
Publication:
US US20220173330A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/057,295 →
Publication:
US US20230126428A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
16/924,332 →
Publication:
US US20210028373A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/612,155 →
Publication:
US US20220255017A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/364,653 →
Publication:
US US20230389422A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Plurality of Light-Emitting Material and Organic Electroluminescent Device Comprising the Same
Application:
17/065,742 →
Publication:
US US20210119134A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/431,116 →
Publication:
US US20240260466A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/114,005 →
Publication:
US US20210184133A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/119,922 →
Publication:
US US20210202849A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/119,726 →
Publication:
US US20210198167A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Plurality of Organic Electroluminescent Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/406,662 →
Publication:
US US20240237511A1
Plurality of Organic Electroluminescent Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/119,671 →
Publication:
US US20210210684A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/224,075 →
Publication:
US US20210320263A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/203,629 →
Publication:
US US20210305519A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/214,253 →
Publication:
US US20220356193A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/162,993 →
Publication:
US US20210257556A1
Organic Electroluminescent Device
Application:
17/231,835 →
Publication:
US US20220352474A1
Organic Electroluminescent Compound, Organic Electroluminescent Material Comprising the Same, and Organic Electroluminescent Device
Application:
17/206,835 →
Publication:
US US20210328150A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Device
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/378,266 →
Publication:
US US20220029109A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/347,484 →
Publication:
US US20220029108A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/373,518 →
Publication:
US US20220041615A1
Plurality of Host Materials, Composition Comprising the Same, and Organic Electroluminescent Device Comprising the Same
Application:
17/516,965 →
Publication:
US US20220140247A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Device
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/405,987 →
Publication:
US US20220109109A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/406,741 →
Publication:
US US20220064179A1
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Device
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/550,562 →
Publication:
US US20220231229A1
Organic Electroluminescent Compound, a Plurality of Host Materials Comprising the Same, and Organic Electroluminescent Device
Application:
17/528,997 →
Publication:
US US20220173322A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/584,791 →
Publication:
US US20220263031A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/824,449 →
Publication:
US US20230002332A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/831,568 →
Publication:
US US20230019297A1
Plurality of Host Materials, Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/833,783 →
Publication:
US US20230100003A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
17/734,347 →
Publication:
US US20230117383A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
17/877,404 →
Publication:
US US20230130802A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/896,508 →
Publication:
US US20230276690A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
17/896,497 →
Publication:
US US20230131195A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/952,507 →
Publication:
US US20230141435A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
17/976,418 →
Publication:
US US20230157168A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
17/952,499 →
Publication:
US US20230141672A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/075,353 →
Publication:
US US20230320207A1
Organic Electroluminescent Compound, a Plurality of Host Materials Comprising the Same, and Organic Electroluminescent Device
Application:
17/979,252 →
Publication:
US US20230165142A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/163,597 →
Publication:
US US20230284525A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/075,632 →
Publication:
US US20230217820A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/152,350 →
Publication:
US US20230255102A1
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Material, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
18/181,832 →
Publication:
US US20230309387A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/163,613 →
Publication:
US US20230263051A1
Organic Electroluminescent Device and Organic Electroluminescent Compound
Application:
18/172,989 →
Publication:
US US20230284470A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
18/182,569 →
Publication:
US US20230292611A1
Organic Electroluminescent Compound, a Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/178,712 →
Publication:
US US20230292610A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/186,564 →
Publication:
US US20230320203A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/310,062 →
Publication:
US US20230371374A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/310,762 →
Publication:
US US20230403932A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/323,036 →
Publication:
US US20230413667A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/351,774 →
Publication:
US US20240074312A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/329,270 →
Publication:
US US20240032418A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/446,086 →
Publication:
US US20240130230A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/331,498 →
Publication:
US US20240057475A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/354,235 →
Publication:
US US20240090324A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Organic Electroluminescent Compound, Organic Electroluminescent Material, and Organic Electroluminescent Device Comprising the Same
Application:
18/352,549 →
Publication:
US US20240065099A1
Organic Electroluminescent Device
Application:
18/457,633 →
Publication:
US US20240107794A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/355,537 →
Publication:
US US20240114777A1
Organic Electroluminescent Device
Application:
18/488,148 →
Publication:
US US20240206311A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/363,229 →
Publication:
US US20240262800A1
Organic Electroluminescent Compound, a Plurality of Host Materials, and Organic Electroluminescent Device Comprising the Same
Application:
18/449,386 →
Publication:
US US20240114778A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/502,388 →
Publication:
US US20240224794A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/353,356 →
Publication:
US US20240090321A1
Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/529,050 →
Publication:
US US20240208924A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/404,138 →
Publication:
US US20240262782A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/403,894 →
Publication:
US US20240260461A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/441,092 →
Publication:
US US20240341110A1
Organic Electroluminescent Compound, Organic Electroluminescent Material, and Organic Electroluminescent Device Comprising the Same
Application:
18/414,731 →
Publication:
US US20240292746A1
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application:
18/404,236 →
Publication:
US US20240276872A1
A Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/417,068 →
Publication:
US US20240298530A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/417,102 →
Publication:
US US20240292739A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/415,070 →
Publication:
US US20240276876A1
Plurality of Host Materials, Organic Electroluminescent Compound, and Organic Electroluminescent Device Comprising the Same
Application:
18/592,645 →
Publication:
US US20240341178A1
Plurality of Host Materials, Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
Application:
18/436,429 →
Publication:
US US20240324452A1
Organic Electroluminescent Compound and Organic Electroluminescent Device Thereof
Application:
17/610,983 →
Publication:
US US20220251051A1
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 26, 2024
From: MOON, DOO-HYEON; JUN, JI-SONG
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 068393/0932 →
Change of Name
Oct 17, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS KOREA LTD
To: DUPONT SPECIALTY MATERIALS KOREA LTD
Reel/Frame 069185/0438 →
Assignment of Assignor's Interest
Oct 18, 2024
From: LEE, HYO-JUNG; KIM, YOUNG-KWANG; HONG, JIN-RI
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 068942/0157 →
Assignment of Assignor's Interest
Jul 1, 2025
From: AHN, HEE-CHOON; KIM, YOUNG-KWANG; LEE, SU-HYUN; JUN, JI-SONG
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 071574/0976 →
Assignment of Assignor's Interest
Jul 14, 2025
From: AHN, HEE-CHOON; KIM, YOUNG-KWANG; MOON, DOO-HYEON; LEE, SU-HYUN
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 071689/0158 →