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Patent applications and USPTO patent grants for Kwon; Jin Hyun.The latest application filed is for "prism sheet, back light unit using the same and liquid crystal display device having the back light unit".
Patent | Date |
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Prism sheet, back light unit using the same and liquid crystal display device having the back light unit App 20070002586 - Soh; Hoe Sup ;   et al. | 2007-01-04 |
Apparatus and method for multi-access conference call in exchange system Grant 6,522,739 - Kwon , et al. February 18, 2 | 2003-02-18 |
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