| 12428407 |
Organic electroluminescent compound and organic electroluminescent device including the same |
Se-Jin Lee, Si-In KIM, Seok-Bae Park, Yeong-Tae CHOI, Seung-Soo Lee +6 more |
2025-09-30 |
| 12396098 |
Optical communication module |
Hyun-Sik Lee |
2025-08-19 |
| 12326602 |
Optical connector supporting bidirectional communication |
— |
2025-06-10 |
| 12114562 |
Compound for organic light-emitting diode and long lifespan organic light-emitting diode comprising same |
Soon-Wook Cha, Yoona Shin, Jung-Ho Yoo, Sung Woo Kim, Jiwon Lee +4 more |
2024-10-08 |
| 11683980 |
Condensed fluorene derivative comprising heterocyclic ring |
Soon-Wook Cha, Ju-man Song, Yu-rim LEE, Sang Woo Park, Seok-Bae Park |
2023-06-20 |
| 11672172 |
Heterocyclic compound comprising aromatic amine group and organic light-emitting diode including the same |
Soon-Wook Cha, Seok-Bae Park, Yu-rim LEE, Sang Woo Park, Ju-man Song |
2023-06-06 |
| 11482676 |
Light emitting diode including boron compound |
Sung-Hoon JOO, Ji Hwan Kim, Byung-sun YANG, Hyeon-jun JO, Sungeun Choi +11 more |
2022-10-25 |
| 11422309 |
Optical connector |
— |
2022-08-23 |
| 11258228 |
Optical communication module |
Jeong Beom YOON |
2022-02-22 |
| 11150422 |
Optical connector |
Il Ku Kim |
2021-10-19 |
| 10947449 |
Organic light-emitting diode with high efficiency and long lifetime |
Seok-Bae Park, Yoona Shin, Yu-rim LEE, Sang Woo Park, Soon-Wook Cha |
2021-03-16 |
| 10693084 |
Compound for organic light-emitting device and organic light-emitting device including same |
Seok-Bae Park, Yoona Shin, Sang Woo Park, Soon-Wook Cha, Young Hwan Park +2 more |
2020-06-23 |
| 10562876 |
Organic compounds for organic light-emitting diode and organic light-emitting diode including the same |
Soon-Wook Cha, Seok-Bae Park, Sang Woo Park, Yoona Shin |
2020-02-18 |
| 10468603 |
Organic light-emitting diode having low driving voltage and long lifespan |
Soon-Wook Cha, Seok-Bae Park, Sang Woo Park, Yoona Shin |
2019-11-05 |
| 10393973 |
Optical connector |
Su Hyun Pyun |
2019-08-27 |
| 10014479 |
Organic light-emitting diode with high efficiency and long lifetime |
Seok-Bae Park, Yoona Shin, Sang Woo Park, Soon-Wook Cha |
2018-07-03 |
| 9991449 |
Anthracene derivatives for organic light-emitting diode and organic light-emitting diode including the same |
Soon-Wook Cha, Sang Woo Park, Seok-Bae Park, Yoona Shin |
2018-06-05 |
| 9435970 |
Optical connector |
Hyun-Sik Lee |
2016-09-06 |
| 8600236 |
Optical communication module for optical wavelength division multiplexing |
Hyun Ee Shin, Won-Seok Jung, Ii Kim, Hyun-kuk Shin |
2013-12-03 |
| 7851300 |
Method of fabricating a trench gate MOSFET for maximizing breakdown voltage |
— |
2010-12-14 |
| 7638422 |
Method of manufacturing metal insulating layer in semiconductor device |
— |
2009-12-29 |
| 7413972 |
Method of forming a metal interconnection line in a semiconductor device using an FSG layer |
— |
2008-08-19 |