| abstract |
"Phosphor, light emitting apparatus and liquid crystal display apparatus using the same". The present invention relates to a divalent europium activated oxynitride green light-emitting phosphorus which is a type b siaion substantially repersed by a general formula (a): euasibalcodne (where a, b, c, d, ee are numbers satisfying 0.005 <a <0.4, b + c = 12, and d + e = 16) and having an average particle size (d1) (determined by an air permeability method) of 9 to 16 um a median diameter (50% d) in particle size distribution of 12.5 to 35 µm, 50% d / d1 of 1.4 to 2.2, and an absorbance at 600 nm of not more than 8, 0%, and a light emitting apparatus, a light source apparatus bl, and a liquid crystal display device utilizing the same are provided to provide a high efficiency light emitting apparatus and a stable characteristic. and a liquid crystal display apparatus utilizing the same utilizing type b siamion having controlled dispersibility and improved transparency. |