FORCE4 CORP.
Gwangju, KR
FORCE4 CORP. Patent applications | ||
Patent application number | Title | Published |
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20130313966 | PHOSPHOR AND LIGHT EMITTING DEVICE - A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of L | 11-28-2013 |
20090206729 | PHOSPHOR MATERIAL, COATING PHOSPHOR COMPOSITION, METHOD OF PREPARING PHOSPHOR MATERIAL AND LIGHT EMITTING DEVICE - Disclosed are phosphor, coating phosphor composition, a method for preparing the phosphor, and a light emitting device. A silicate-based phosphor is expressed in a chemical formula of (4-x-y-z)SrO.xBaO.zCaO.aMgO.2(SiO | 08-20-2009 |