Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157026 | Photoluminescent sheet | Choong-Yong Sohn | 2015-10-13 |
| 8723411 | Photoluminescent sheet | Choong-Yong Sohn, Young Joo Ahn | 2014-05-13 |
| 8652651 | Photoluminescent sheet | Choong-Yong Sohn | 2014-02-18 |
| 8237352 | Photoluminescent sheet | Choong-Yong Sohn, Young Joo Ahn | 2012-08-07 |
| 7829179 | Photoluminescent sheet | Choong-Yong Sohn | 2010-11-09 |
| D595449 | LED lighting panel | Choong-Yong Sohn, Gi-Wook KANG, Bae-Wan Park, Young-Chang Kwon | 2009-06-30 |
| D595450 | LED lighting panel | Choong-Yong Sohn, Gi-Wook KANG, Bae-Wan Park, Young-Chang Kwon | 2009-06-30 |
| 7045469 | Method of forming a buffer dielectric layer in a semiconductor device and a method of manufacturing a thin film transistor using the same | Choong-Yong Sohn, Yong Hae KIM, Jin Ho Lee, Choong-Heui Chung | 2006-05-16 |
| 6713953 | Field emission display device with minimal color cross-talk between two adjacent phosphor elements | Un-Cheol Sung, Ick-hwan Ko, Kyo Woong Lee | 2004-03-30 |