发明名称 LIGHT-EMITTING DEVICE
摘要 A light-emitting device includes a substrate (4), a light-emitting element (10) mounted on the substrate (4), a first resin (12) disposed to cover an upper portion of the light-emitting element (10), a second resin (14) disposed to cover a lower portion of the light-emitting element (10), a first phosphor (18) contained in the first resin (12), and a second phosphor (20) contained in the second resin (14). The first phosphor (18) converts light emitted directly from the light-emitting element (10) into a first phosphor-converted light having a wavelength longer than that of the light emitted directly from the light-emitting element (10) and emits the first phosphor-converted light, and the second phosphor (20) converts the light emitted directly from the light-emitting element (10) into a second phosphor-converted light having a wavelength longer than that of the first phosphor-converted light and emits the second phosphor-converted light. Because both the first and second resins (12, 14) have portions in contact with the light-emitting element (10), respectively, the first and second phosphors (18, 20) receive the light emitted directly from the light-emitting element (10) to convert the light emitted from the light-emitting element (10) into the first and second phosphor-converted lights, respectively. Positions of the first and the second resins are arranged depending on the wavelength range of light which respective phosphors can convert.
申请公布号 US2010044735(A1) 申请公布日期 2010.02.25
申请号 US20090545580 申请日期 2009.08.21
申请人 CITIZEN ELECTRONICS CO., LTD. 发明人 OYAMADA NODOKA
分类号 H01L33/00 主分类号 H01L33/00
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