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    • 10. 发明专利
    • Luminescent device
    • JP5326705B2
    • 2013-10-30
    • JP2009064744
    • 2009-03-17
    • 日亜化学工業株式会社
    • 雅彦 佐野俊介 湊
    • H01L33/60H01L33/50
    • H01L2224/14H01L2224/73204H01L2224/73253H01L2924/181H01L2924/00012
    • PROBLEM TO BE SOLVED: To provide a high luminous efficiency light-emitting device capable of improving light-coupling efficiency from a light-emitting element to a light-transmitting member, and achieving high luminance light emission. SOLUTION: The light-emitting device includes the light-transmitting member having a light-emitting surface and a light-receiving surface of the light-emitting device, the light-emitting element having an outgoing surface facing to the light-receiving surface and joined to the light-transmitting member, a light-guiding member for guiding light emitted from the light-emitting element to the light-transmitting member, which is provided so as to extend from the surface of the light-emitting element to the surface of the light-transmitting member. The light-guiding member includes a joining area in which the outgoing surface of the light-emitting element and the light-receiving surface of the light-transmitting member are joined so as to be facing each other, and a first covering area covering one surface of the light-emitting element and the light-transmitting member, each extending from the joining area and protruding outside the joining area. At the same time, a first reflection surface for reflecting the outgoing light to the side of the light-transmitting member is provided on the outer surface of the first covering area. COPYRIGHT: (C)2010,JPO&INPIT