发明名称 LED DEVICE MANUFACTURING METHOD AND FLUORESCENT MATERIAL-DISPERSED SOLUTION USED IN SAME
摘要 The present invention addresses the problem of providing an LED device having no color unevenness in light emission. In order to solve the problem, this LED device manufacturing method includes: a step of providing an LED chip-mounted package; a step of film-forming a fluorescent material layer by applying a fluorescent material-dispersed solution to a emission surface of the LED chip, said fluorescent material-dispersed solution containing a solvent, a fluorescent material, clay minerals and porous inorganic particles, and by drying the fluorescent material-dispersed solution; and a step of film-forming a wavelength conversion section by applying, to the fluorescent material layer, a precursor solution having a precursor of a light transmissive ceramic dispersed in a solvent, and by firing the layer, said wavelength conversion section being composed of a light transmissive ceramic layer having the fluorescent material, the clay minerals and the porous inorganic particles dispersed therein.
申请公布号 EP2752897(A4) 申请公布日期 2015.04.29
申请号 EP20120838152 申请日期 2012.10.05
申请人 KONICA MINOLTA, INC. 发明人 TAGUCHI, YOSHIHITO
分类号 H01L33/50;C09K11/02 主分类号 H01L33/50
代理机构 代理人
主权项
地址