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    WHITE LIGHT EQUIPMENT
    1.
    发明公开
    WHITE LIGHT EQUIPMENT 审中-公开

    公开(公告)号：EP4258819A3

    公开(公告)日：2024-01-24

    申请号：EP23177418.3

    申请日：2011-06-23

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： Yamakawa, Masahiko ,  Shirakawa, Yasuhiro

    IPC分类号： H01L33/50 ,  F21K99/00 ,  H05B45/00 ,  H05B45/20 ,  H01L25/075 ,  F21Y113/00 ,  F21K9/23 ,  F21Y113/13 ,  F21Y113/17 ,  F21Y115/10

    摘要： The present invention provides a white light source comprising a blue light emitting LED having a light emission peak of 421 to 490 nm and satisfying a relational equation of − 0.2 ≤ P λ × V λ / P λ max 1 × V λ max 1 − B λ × V λ / B λ max 2 × V λ max 2 ≤ + 0.2 , assuming that: a light emission spectrum of the white light source is P(λ); a light emission spectrum of black-body radiation having a same color temperature as that of the white light source is B(λ); a spectrum of a spectral luminous efficiency is V(λ); a wavelength at which P(λ) × V(λ) becomes largest is λmax1; and a wavelength at which B(λ) × V(λ) becomes largest is λmax2. According to the above white light source, there can be provided a white light source capable of reproducing the same light emission spectrum as that of natural light.

    WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM USING WHITE LIGHT SOURCE
    5.
    发明公开
    WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM USING WHITE LIGHT SOURCE 审中-公开

    公开(公告)号：EP4044264A1

    公开(公告)日：2022-08-17

    申请号：EP22152098.4

    申请日：2012-10-23

    申请人： Seoul Semiconductor Co., Ltd.

    发明人： YAMAKAWA, Masahiko ,  SHIRAKAWA, Yasuhiro

    IPC分类号： H01L33/50 ,  F21S2/00 ,  F21K99/00 ,  F21Y113/00 ,  C09K11/08

    摘要： Provided is a white light source, comprising a blue light emitting LED with a peak light emitting wavelength of 421nm-490nm and a fluorescent light body layer further comprising a fluorescent light body and a resin, With the emission spectrum of the white light source designated P(λ), the emission spectrum of the black body radiation which denotes a color temperature which is the same as that of the white light source desigiated B(λ), the spectrum of the spectral luminous efficiency designated V(λ), the wavelength at which P(λ) × V(λ) is at a maximum designated λmaxl, and the wavelength at which E(λ) × V(λ) is at a maximum designated λmax2, the relational formula -0.2≤[(P(λ) × V(λ))/P(λmaxl) × V(λmaxl))-(B(λ) × V(λ))/(B(λmax2) × V(λmax2))]≤+0.2 is satisfied, and the size of the color change between the initial lighting of a white light source which uses a CT, chromaticity diagram and after 6000 hours of consecutive lighting is less than 0.010. It is possible, with this configuration, to provide a white light source which has an equivalent emission spectrum to natural light, as well as a white light source system using the white light source.

    LIGHTING DEVICE
    6.
    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).