Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8503123 | Optical filter and flat display panel comprising the same | Sang Mi Lee | 2013-08-06 |
| 8390929 | Display panel and optical filter which control transmittance color and reflection color | Sang Mi Lee | 2013-03-05 |
| 8227972 | Display filter and plasma display panel including the same | Yeon-Joo Choi, Sang Mi Lee, Seung-Goo Baek | 2012-07-24 |
| 7713611 | Filter and display apparatus having the same | Ji-Suk Kim, Sung-Yong Lee | 2010-05-11 |