Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9201227 | Optical system and image projecting apparatus using the same | Sung Tae Kim | 2015-12-01 |
| 9057941 | Reflection type screen for front projection display apparatus | Sung Tae Kim, Sang Hyun SOHN, Won-Yong Lee, Yong-dok Cha | 2015-06-16 |
| 8830150 | 3D glasses and a 3D display apparatus | Yong-dok Cha | 2014-09-09 |
| 8711475 | Projection screen and projection system having the same | Wook Jeon, Sang Hyun SOHN | 2014-04-29 |
| 8672485 | Illuminating unit and display apparatus including the same | Kee-uk Jeon, Sung Tae Kim, Won-Yong Lee, Kyoung-choul Jang, Seok Chan HONG +1 more | 2014-03-18 |
| 8657912 | Dust collecting structure for air-cooling electric apparatus and electric apparatus having the same | Jae Hyun Park | 2014-02-25 |
| 8610870 | Air-cooling apparatus and display device having the same | Jae Hyun Park, Jean HUR | 2013-12-17 |
| 8414129 | Optical system | Jae Hyun Park, Sung Tae Kim, Won-Yong Lee, Yong-dok Cha | 2013-04-09 |
| 8395601 | Touch sensing system and display apparatus employing the same | Yong-dok Cha | 2013-03-12 |
| 8365073 | Apparatus and method for displaying document | Myung-jae KIM, Ki-Hong Park | 2013-01-29 |
| 8058804 | Display device having light blocking members | Seok-il Yoon, 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, Seok-il Yoon, Wook Jeon, Dae Hee Lee | 2010-06-29 |
| 7413314 | Optical system with iris controlled in real time | Sung Tae Kim | 2008-08-19 |
| 7401930 | Projection system | Sung Tae Kim | 2008-07-22 |