Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557620 | Method of manufacturing a display substrate and method of manufacturing a display apparatus using the same | Pil Soon Hong, Hi-Kuk Lee | 2013-10-15 |
| 8477288 | Digital exposure method and digital exposure device for performing the method | Sang-Hyun Yun, Hi-Kuk Lee, Sang Woo BAE, Cha-Dong Kim | 2013-07-02 |
| 7951631 | Halftone mask, method of manufacturing the same, and method of manufacturing an array substrate using the same | Woo-Seok Jeon, Hi-Kuk Lee | 2011-05-31 |
| 7923176 | Mask and method of manufacturing the same | Chong-Chul Chai, Mee-Hye Jung, Woo-Geun Lee, Woo-Seok Jeon, Young-Wook Lee +3 more | 2011-04-12 |
| 7790523 | Mask for forming a thin-film transistor, thin-film transistor substrate manufactured using the same and method of manufacturing a thin-film transistor substrate using the same | Young-Wook Lee, Woo-Geun Lee, Youn-Hee Cha | 2010-09-07 |