Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Phosphor, method for producing phosphor, phosphor-containing composition, light-emitting device, lighting system and image display device
To provide a yellow to orange phosphor which has high luminance and excellent temperature characteristics and which also has high luminance when mixed with a phosphor of a different color.A phosphor containing a crystal phase represented by the following formula [I], wherein when its object color is expressed by the L*a*b* color system, the values of a*, b* and (a*2+b*2)1/2 satisfy −20≦a*≦−2, 71≦b* and 71≦(a*2+b*2)1/2, respectively:R3−x−y−z+w2MzA1.5x+y−w2Si6−w1−w2Alw1+w2Oy+w1N11−y−w1  [I].
Mitsubishi Chemical Corporation
C C C C H C C C C C C C C H H C H C C C C C C C C C C C C H C C H C C C
C04B C09K C04B C04B H01L C04B C04B C09K C04B C04B C04B C04B C04B H01L H05B C04B H01L C04B C04B C04B C04B C04B C04B C04B C04B C09K C04B C04B C09K H01L C09K C04B H01L C04B C04B C04B
additional inventional additional additional additional additional additional inventional inventional inventional additional inventional additional additional inventional additional additional additional inventional additional inventional additional additional additional additional inventional additional inventional inventional additional inventional inventional additional inventional additional additional
Keiichi Naoto Takatoshi Tatsuya Ryuji Hiroyasu
Seki Kijima Seto Inoue Adachi Yamada