发明名称 Light emission device
摘要 The present invention relates to a light emitting apparatus including a semiconductor light emitting element and a transparent ceramic phosphor for converting a wavelength of a light emitted from the semiconductor light emitting element, wherein the semiconductor light emitting element emits an ultraviolet light, and the ceramic phosphor corresponding to the semiconductor light emitting element has (i) a minimum transmission of 0.1 to 40% under a wavelength of 350-420 nm and (ii) a transmission of 10 to 90% under an emission peak wavelength of the ceramic phosphor.
申请公布号 US7923740(B2) 申请公布日期 2011.04.12
申请号 US20060817504 申请日期 2006.02.23
申请人 KABUSHIKI KAISHA TOSHIBA;TOSHIBA MATERIALS CO., LTD. 发明人 OKAMURA MASAMI;TAMATANI MASAAKI;SHIDA NAOMI;OOTSUKA KAZUAKI;FUKUTA YUKIHIRO
分类号 H01L33/00;H01L33/50 主分类号 H01L33/00
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