发明名称 LIGHT EMISSION DEVICE AND LUMINAIRE
摘要 PROBLEM TO BE SOLVED: To provide a light emission device, etc. that can suppress degradation of fluorescent material.SOLUTION: A light emission device 10 has a substrate 11, an LED chip 12 provided on the substrate 11, a first sealing layer 13a for sealing the LED chip 12, a second sealing layer 13b provided above the first sealing layer 13a, and a phosphor layer 13c containing yellow phosphor which is provided between the first sealing layer 13a and the second sealing layer 13b. The phosphor layer 13c contains yellow phosphor having a higher concentration than those of the first sealing layer 13a and the second sealing layer 13b.SELECTED DRAWING: Figure 4
申请公布号 JP2016058614(A) 申请公布日期 2016.04.21
申请号 JP20140185185 申请日期 2014.09.11
申请人 PANASONIC IP MANAGEMENT CORP 发明人 ABE MASUMI;OGATA TOSHIBUMI;ISHIMORI ATSUNOBU;SUGIURA KENJI;KURACHI TOSHIAKI
分类号 H01L33/50;F21S8/02 主分类号 H01L33/50
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