Jeon; Sangheon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jeon; Sangheon.The latest application filed is for "mask-frame assembly and method of manufacturing organic light emitting display apparatus by using the same".
- Jeon; Sangheon - Yongin-si KR
| Patent | Date |
|---|---|
| Mask frame assembly for depositing thin film Grant 11,396,030 - Lee , et al. July 26, 2 | 2022-07-26 |
| Mask-frame Assembly And Method Of Manufacturing Organic Light Emitting Display Apparatus By Using The Same App 20220102638 - JANG; MINJI ; et al. | 2022-03-31 |
| Mask Frame Assembly For Depositing Thin Film App 20200238328 - Lee; Jongdae ; et al. | 2020-07-30 |
| Mask Assembly And Apparatus And Method Of Manufacturing Display Apparatus App 20200058906 - Kim; Yalim ; et al. | 2020-02-20 |
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