| 9874666 |
Optical film including protrusions, display device including the same and method of manufacturing optical film |
Duk-Jin Lee, Nam Seok Baik, Jang-Seok Ma, Jung Hee Son, Gyeong-Im Lee +2 more |
2018-01-23 |
| 8058804 |
Display device having light blocking members |
Jeong-ho Nho, Sung Hwan Lim, Wook Jeon, Dae Hee Lee |
2011-11-15 |
| 7745996 |
Display panel film having a black layer and a reflective layer |
Sung Hwan Lim, Jeong-ho Nho, Wook Jeon, Dae Hee Lee |
2010-06-29 |
| 7324169 |
Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
Sung-Gi Kim, Gyu-hwan Hwang, Young-il Kah |
2008-01-29 |
| 7233440 |
Image display screen having wide vertical and horizontal viewing angles and projection television including the same |
Sung-Gi Kim, Gyu-hwan Hwang |
2007-06-19 |
| 7139124 |
Wide viewing angle screen and projection television comprising the same |
Gyu-hwan Hwang |
2006-11-21 |
| 6995811 |
Brightness improving apparatus for projection television |
Gyu-hwan Hwang |
2006-02-07 |
| 6992837 |
Hybrid lens and projection optical system including the same |
Gyu-hwan Hwang, Alexandr F. Shirankov, Oleg Vladimirovich Rozhkov, Vadim Pozdnyakov, Alexey Khorokhorov |
2006-01-31 |
| 6926412 |
Projection display apparatus with a curved screen |
Sung-Gi Kim, Suk-sun Lee |
2005-08-09 |
| 6890634 |
Retroreflective article |
Jong Soo Baek, Seok-Cheol Choi |
2005-05-10 |
| 6859314 |
Rear projection screen and projector adopting the same |
Gyu-hwan Hwang |
2005-02-22 |