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For the Inventor, By the Inventor

Daejeon, South Korea

Hyungjin Lee

This inventor holds 18 USPTO granted patents and 2 published patent applications and 10 EPO patents, primarily in Organic Light Emitting Devices. Top assignee: Lg Chem, Ltd. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyungjin Lee. Retrieved from https://idiyas.com/inventor/hyungjin-lee

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 100.0

 

Average Co-Inventor Count = 7.2

ph-index = 3

Forward Citations = 32(Granted Patents)


Company Filing History:

goldMedal18 out of 8,642 
 
Lg Chem, Ltd
 patents

Years Active: 2014-2025

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Areas of Expertise:
Organic Light-Emitting Device
Electroluminescent Device
Organic Light Emitting Element
Polycyclic Compound
Heterocyclic Compound
Organic Electronic Device
Organic Light-Emitting Diode
Manufacturing Method
18 patents (USPTO):Explore Patents
1. 12415801 - Organic light-emitting device (2025-09-16),
2. 12225818 - Organic light-emitting device (2025-02-11),
3. 11877464 - Organic light emitting element (2024-01-16),
4. 11856852 - Organic light-emitting device (2023-12-26),
5. 11618757 - Polycyclic compound and organic light emitting element comprising same (2023-04-04),
6. 11489122 - Compound and organic light emitting device comprising same (2022-11-01),
7. 11177444 - Organic electroluminescent device (2021-11-16),
8. 10964892 - Heterocyclic compound and organic light-emitting device comprising same (2021-03-30),
9. 10916724 - Organic light emitting device (2021-02-09),
10. 10700289 - Heterocyclic compound and organic light emitting element comprising same (2020-06-30),
11. 10355225 - Heterocyclic compound and organic light emitting element comprising same (2019-07-16),
12. 9972784 - Compounds and organic electronic device using same (2018-05-15),
13. 9887368 - Organic light-emitting device and method for manufacturing same (2018-02-06),
14. 9882146 - Heterocyclic compound and organic electronic element containing same (2018-01-30),
15. 9543524 - Compounds and organic electronic device using same (2017-01-10),

Title: The Innovations of Hyungjin Lee

Introduction

Hyungjin Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of organic light-emitting devices, holding a total of 18 patents. His work has advanced the technology used in display and lighting applications.

Latest Patents

Among his latest patents is an organic light-emitting device that comprises a first electrode, a second electrode facing the first, and two organic material layers positioned between them. The first organic material layer includes a compound of Formula 1, while the second organic material layer contains a compound of Formula 2. Another notable patent involves an organic light-emitting device that features a first electrode, a second electrode, and a light-emitting layer situated between them. This light-emitting layer incorporates compounds of Chemical Formula 1, Chemical Formula 2, and Chemical Formula 3.

Career Highlights

Hyungjin Lee is currently employed at LG Chem, Ltd., where he continues to innovate in the field of organic electronics. His work has not only contributed to the advancement of technology but has also positioned him as a key figure in the industry.

Collaborations

He has collaborated with notable coworkers, including Dong Hoon Lee and Kongkyeom Kim, to further enhance the development of organic light-emitting devices.

Conclusion

Hyungjin Lee's contributions to the field of organic light-emitting devices exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving electronic displays and lighting solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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