Patents Assigned to NICHIA COPRORATION
  • Publication number: 20140185299
    Abstract: Provided is a bandpass filter for a light emitting device that can improve the light emission efficiency in use for a light emitting device, and a light emitting device that can obtain the high light emission efficiency by using the bandpass filter. The light emitting device includes a substrate; a light emitting element disposed over the substrate; a phosphor-containing layer containing at least one kind of phosphor; and a bandpass filter disposed over a surface of the phosphor-containing layer on the light emitting element side, the bandpass filter including a multilayer film having a plurality of first and second dielectric layers, the second dielectric layer being disposed over the first dielectric layer.
    Type: Application
    Filed: December 24, 2013
    Publication date: July 3, 2014
    Applicant: NICHIA COPRORATION
    Inventors: Daisuke SANGA, Tomonori Morizumi, Naoki Azuma, Keisuke Sejiki, Kunihito Sugimoto