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HeeJoo KO
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Yongin-si, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Heterocyclic compound and organic light-emitting device including t...
Patent number
11,647,669
Issue date
May 9, 2023
Samsung Display Co., Ltd.
Heejoo Ko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light-emitting device and electronic apparatus including th...
Patent number
11,600,795
Issue date
Mar 7, 2023
Samsung Display Co., Ltd.
Heejoo Ko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic light-emitting device
Patent number
10,396,296
Issue date
Aug 27, 2019
Samsung Display Co., Ltd.
Heejoo Ko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for fabricating organic light emitting device
Patent number
9,368,743
Issue date
Jun 14, 2016
Samsung Display Co., Ltd.
Hyun Ju Choi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING TH...
Publication number
20230157046
Publication date
May 18, 2023
Heejoo KO
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING SAME
Publication number
20210359226
Publication date
Nov 18, 2021
SAMSUNG DISPLAY CO., LTD.
Heejoo KO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Publication number
20210184135
Publication date
Jun 17, 2021
SAMSUNG DISPLAY CO., LTD.
Minkyung Kim
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Publication number
20210184151
Publication date
Jun 17, 2021
Samsung Display Co, Ltd.
Hangeul LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Publication number
20210151691
Publication date
May 20, 2021
SAMSUNG DISPLAY CO., LTD.
Bohyun YOON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING T...
Publication number
20210098720
Publication date
Apr 1, 2021
SAMSUNG DISPLAY CO., LTD.
Heejoo KO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Publication number
20210074940
Publication date
Mar 11, 2021
SAMSUNG DISPLAY CO., LTD.
Eunhye SONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING TH...
Publication number
20200266374
Publication date
Aug 20, 2020
SAMSUNG DISPLAY CO., LTD.
Heejoo KO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE
Publication number
20180019408
Publication date
Jan 18, 2018
SAMSUNG DISPLAY CO., LTD.
Heejoo KO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR FABRICATING ORGANIC LIGHT EMITTING DEVICE
Publication number
20140193936
Publication date
Jul 10, 2014
Hyun Ju CHOI
H01 - BASIC ELECTRIC ELEMENTS