Song; Chi-Yul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Song; Chi-Yul.The latest application filed is for "white organic light emitting device".
- Song; Chi-Yul - Incheon KR
- SONG; Chi-Yul - Seoul KR
| Patent | Date |
|---|---|
| Organic light emitting display device Grant 9,425,422 - Kim , et al. August 23, 2 | 2016-08-23 |
| White Organic Light Emitting Device App 20150188066 - SONG; Ki-Woog ; et al. | 2015-07-02 |
| Organic Light Emitting Device And Organic Light Emitting Display Device Using The Same App 20150155513 - Pieh; Sung-Hoon ; et al. | 2015-06-04 |
| Organic Light Emitting Display Device App 20140070196 - Kim; Shin-Han ; et al. | 2014-03-13 |
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