Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9953828 | Frame and mask assembly having the same | Choong-Ho Lee, Da-Hee Jeong | 2018-04-24 |
| 9604314 | Method for forming a mask pattern using a laser | Choong-Ho Lee | 2017-03-28 |
| 9346078 | Mask frame assembly for thin film deposition | Choon Ho Lee | 2016-05-24 |
| 9174250 | Method and apparatus for cleaning organic deposition materials | Jung-Min Lee, Choong-Ho Lee, Hee-Seong Jeong | 2015-11-03 |
| 8802200 | Method and apparatus for cleaning organic deposition materials | Jung-Min Lee, Choong-Ho Lee, Hee-Seong Jeong | 2014-08-12 |
| 8778115 | Mask, method of manufacturing mask and apparatus for manufacturing mask | Choong-Ho Lee, Seung Ho Choi, Suk-Won Jung, Jung-Soo Rhee | 2014-07-15 |
| 8746169 | Mask frame assembly for thin film deposition | Choong-Ho Lee, Jung-Min Lee | 2014-06-10 |
| 8707894 | Mask frame assembly for thin film deposition and method of assembling the same | Choong-Ho Lee, Jung-Min Lee | 2014-04-29 |
| 8536057 | Thin film deposition apparatus and method of manufacturing organic light emitting device by using the same | Choong-Ho Lee, Jung-Min Lee | 2013-09-17 |
| 8531349 | Dual display module and display apparatus having the same | Chan-Kyoung Moon, Kyoung-Soo Lee, Min-Hyeng Lee, Seon-Hee Kim, Gun Mo Kim +3 more | 2013-09-10 |
| 8044586 | Organic light emitting display device | Chan-Hee Wang, Dae Ho Lim | 2011-10-25 |
| 7923927 | Organic light emitting display | Chan-Hee Wang, Dae Ho Lim | 2011-04-12 |