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Patent applications and USPTO patent grants for Pieh; Sunghoon.The latest application filed is for "white organic light emitting diode device".
Patent | Date |
---|---|
White organic light emitting diode device Grant 9,281,487 - Kim , et al. March 8, 2 | 2016-03-08 |
White Organic Light Emitting Diode Device App 20150034923 - KIM; Shinhan ;   et al. | 2015-02-05 |
Organic light emitting diode device and method of manufacturing the same Grant 8,791,454 - Kim , et al. July 29, 2 | 2014-07-29 |
Organic light emitting diode Grant 8,735,873 - Song , et al. May 27, 2 | 2014-05-27 |
Organic Light Emitting Diode Device And Method Of Manufacturing The Same App 20140084256 - Kim; Hwakyung ;   et al. | 2014-03-27 |
Organic Light Emitting Diode App 20130015489 - SONG; Ki-Woog ;   et al. | 2013-01-17 |
Organic Light Emitting Diode Device App 20120098012 - KIM; Changoh ;   et al. | 2012-04-26 |
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