GREENISH YELLOW PHOSPHOR METHOD FOR PREPARING THE SAME AND LIGHT EMITTING DEVICE COMPRISING THE YELLOW-GREEN PHOSPHOR

摘要

The present invention discloses a greenish fluorescent substance, a manufacturing method thereof, and a light-emitting device comprising the same. The greenish fluorescent substance according to an embodiment of the present invention has a composition represented by the chemical formula 1: Ca_2KZn_2V_(3-x)Nb_xO_12, wherein the x is not less than 0.005 and not bigger than 0.020 in the chemical formula 1. An embodiment of the present invention is to provide a near-ultraviolet excitation greenish fluorescent substance, having a novel composition excellent in light emission characteristics, the manufacturing method thereof, and the light-emitting device comprising the same.