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For the Inventor, By the Inventor

Daejeon, South Korea

Cheol Jun Song

USPTO Granted Patents = 13 

 

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:

goldMedal13 out of 8,327 
 
Lg Chem, Ltd
 patents

Years Active: 2020-2025

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13 patents (USPTO):Explore Patents
1. 12473382 - Hologram recording medium and optical element comprising the same (2025-11-18),
2. 12240803 - Diamine compound, and polyimide precursor and polyimide film using same (2025-03-04),
3. 12060456 - Polyimide precursor composition and polyimide film, substrate for display device, and optical device prepared by using same (2024-08-13),
4. 12043627 - Compound and color conversion film comprising same (2024-07-23),
5. 11926706 - Diamine compound, and polyimide precursor and polyimide film using same (2024-03-12),
6. 11498931 - Nitrogen-containing compound, color conversion film comprising same, and backlight unit and display device each comprising same (2022-11-15),
7. 11479549 - Nitrogen-containing cyclic compound and color conversion film comprising same (2022-10-25),
8. 10961260 - Nitrogenous compound and color conversion film comprising same (2021-03-30),
9. 10954227 - Nitrogen-containing cyclic compound and color conversion film comprising same (2021-03-23),
10. 10858375 - Nitrogenous cyclic compound and color changing film comprising same (2020-12-08),
11. 10766910 - Nitrogen-containing compound and color conversion film comprising same (2020-09-08),
12. 10711015 - Nitrogen-containing compound and color conversion film comprising same (2020-07-14),
13. 10703768 - Compound and color conversion film comprising same (2020-07-07),

Title: Cheol Jun Song: Innovator in Hologram Technology and Polyimide Films

Introduction

Cheol Jun Song is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the fields of holography and materials science. With a total of 13 patents to his name, his work continues to influence various technological advancements.

Latest Patents

One of his latest patents is focused on a hologram recording medium and an optical element comprising the same. This invention relates to a hologram recording medium that not only possesses excellent optical recording properties but also demonstrates transparent optical properties and remarkable reliability in high temperature and high humidity environments. Another notable patent involves a novel diamine compound, along with a polyimide precursor and polyimide film utilizing the same. This invention discloses a unique diamine compound that features a structure where diphenyl sulfide is bonded through an amide bond to a phenyl ring substituted with an amine group. The polyimide film created from this compound exhibits enhanced mechanical and thermal properties, as well as an improved refractive index.

Career Highlights

Cheol Jun Song is currently associated with LG Chem, Ltd., a leading chemical company known for its innovative products and solutions. His work at LG Chem has allowed him to explore and develop advanced materials that have practical applications in various industries.

Collaborations

Throughout his career, Cheol Jun Song has collaborated with notable colleagues, including Hoyong Lee and Seonkyoung Son. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Cheol Jun Song's contributions to holography and materials science exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving optical and material properties, which can have a lasting impact on various applications.

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