| 11208368 |
Double-spiro type compound and organic light-emitting device containing same |
Yongbum Cha |
2021-12-28 |
| 11081650 |
Spiro compound and organic light-emitting element comprising same |
Yongbum Cha, Sung Kil Hong, Sang Duk SUH |
2021-08-03 |
| 11050026 |
Spiro compound and organic light-emitting element comprising same |
Yongbum Cha, Sung Kil Hong, Sang Duk SUH |
2021-06-29 |
| 10991886 |
Amine-based compound and organic light emitting device comprising same |
Yongbum Cha, Sung Kil Hong |
2021-04-27 |
| 10981876 |
Spiro compound and organic light emitting element comprising same |
Yongbum Cha, Sang Duk SUH |
2021-04-20 |
| 10983434 |
Photoresist composition for deep ultraviolet light patterning method and method of manufacturing semiconductor device |
Jeong-ho Mun, Suk Koo HONG, Gum-hye Jeon |
2021-04-20 |