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    LIGHTING DEVICE AND METHOD FOR MANUFACTURING A LIGHTING DEVICE
    5.
    发明公开
    LIGHTING DEVICE AND METHOD FOR MANUFACTURING A LIGHTING DEVICE 审中-公开

    公开(公告)号：EP4235016A3

    公开(公告)日：2023-10-25

    申请号：EP23171110.2

    申请日：2011-12-09

    申请人： Signify Holding B.V.

    发明人： KWISTHOUT, Cornelis, Wilhelmus

    IPC分类号： F21K9/61 ,  F21K9/232 ,  F21K9/238 ,  F21W121/00 ,  F21Y115/10 ,  F21Y107/70

    摘要： The invention relates to a lighting device and a method of manufacturing such a lighting device. The lighting device (1) comprises a first light emitting element (101) being optically coupled to a light guide (110) having an out-coupling surface (111) for illumination via the light guide. Further, the lighting device comprises a second light emitting element (102) dedicated for direct illumination from the lighting device. The invention is advantageous in that the lighting device provides both a decorative look and a functional illumination, and is still energy-efficient since the light emitted from the second light emitting element is directly emitted from the light emitting element without unnecessary energy-loss.

    LIGHTING DEVICE
    10.
    发明公开
    LIGHTING DEVICE 审中-公开

    公开(公告)号：EP4008949A1

    公开(公告)日：2022-06-08

    申请号：EP21213937.2

    申请日：2005-09-19

    申请人： Signify Holding B.V.

    发明人： VAN RIJWICK, Mathias, H., J. ,  VAN KOOTEN, Wijnand, E., J.

    IPC分类号： F21K9/232 ,  F21K99/00 ,  F21V3/02 ,  F21K9/61 ,  F21V8/00 ,  F21K9/66 ,  F21V3/12 ,  F21Y115/10 ,  F21Y113/13

    摘要： The invention relates to a lighting device (1) comprising an envelope (2), a base (3), a solid-state light source (4) and optical means (5) as an element that is not integrated with the envelope (2). The solid-state light source (4) is optically coupled to the optical means (5), and the optical means (5) is provided with a light-outcoupling surface that allows outcoupling of light from the optical means (5) by a surface roughness of the optical means (5). The surface roughness is provided along the optical means (5) so that the outcoupling of light from the optical means (5) resembles the emission of a conventional incandescent lamp, such as a carbon filament lamp. The long lifetime and high efficiency of LEDs as a solid-state light source (4) will make this lighting device (1) a very attractive alternative for the conventional incandescent lamp. The lighting device (1) according to the present invention has the further advantage that a large gamut of colors can be chosen and adjusted by using, for instance, red green and blue LEDs in the lighting device (1). The electronics for driving and controlling the intensity and color settings can be incorporated in the lighting device (1).