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    • 4. 发明公开
    • WHITE LIGHT SOURCE SYSTEM
    • 白光源系统
    • EP3316322A1
    • 2018-05-02
    • EP16814453.3
    • 2016-06-23
    • Kabushiki Kaisha Toshiba, Inc.Toshiba Materials Co., Ltd.
    • YAMAKAWA, MasahikoTSUDA, RyojiOOYA, YasumasaITOGA, TatsunoriSHIRAKAWA, YasuhiroTANIGUCHI, Junji
    • H01L33/00C09K11/08C09K11/59C09K11/64C09K11/71H05B37/02
    • F21K9/60C09K11/59C09K11/64C09K11/71C09K11/7734F21Y2113/13F21Y2115/10H01L33/00H01L33/50H05B33/0857H05B33/10H05B37/02Y02B20/181Y02B20/42
    • Provided is a white light source system that reproduces the light-emission properties of sunlight having temperature colors and light-emission spectrum shapes that change over time, said white light source system being used for office and domestic illumination. As a result of the present invention, a white light source system is provided that includes a plurality of white light sources. A relationship formula is fulfilled whereby the absolute value is no more than 0.15 for the difference between P (λ) × V (λ) / P (λmax1) × V (λmax1) and (B (λ) × V (λ)) / B (λmax2) ×V (λmax2), when the light-emission spectrum for each white light source is P (λ), the light-emission spectrum for black body radiation indicating the same color temperature as each white light source is B (λ), the spectrum for spectral luminous efficiency is V (λ), the maximum wavelength for P (λ) × V (λ) is λmax1, and the maximum wavelength for B (λ) × V (λ) is λmax2. The white light source system is characterized by the light-emission properties of the white light emitted from the system continuously changing over time, as a result of changing the mixing ratio for light from a plurality of white light sources.
    • 提供一种白色光源系统,其再现具有随时间变化的温度颜色和发光光谱形状的太阳光的发光特性,所述白色光源系统用于办公室和家庭照明。 作为本发明的结果,提供了包括多个白光源的白光源系统。 对于P(λ)×V(λ)/ P(λmax1)×V(λmax1)与(B(λ)×V(λ))/ B(λmax2)×V(λmax2),当每个白光源的发光光谱是P(λ)时,指示与每个白光源相同色温的黑体辐射的发光光谱是B(λ ),光谱发光效率的光谱为V(λ),P(λ)×V(λ)的最大波长为λmax1,B(λ)×V(λ)的最大波长为λmax2。 作为改变来自多个白光源的光的混合比率的结果,白光源系统的特征在于从系统发射的白光的发光特性随时间连续变化。
    • 5. 发明公开
    • TERBIUM DOPED PHOSPHATE-BASED GREEN LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF
    • TERBIUMDOTIERTESGRÜNESLEUCHTMATERIAL AUF PHOSPHATBASIS UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2532725A1
    • 2012-12-12
    • EP10845022.2
    • 2010-02-04
    • Ocean's King Lighting Science&Technology Co., Ltd.
    • ZHOU, MingjieLIU, JunLIANG, XiaofangLIU, ShiliangLIAO, Qiurong
    • C09K11/71C01F17/00
    • C01F7/168C01B25/45C01F7/16C09K11/7778
    • Terbium doped phosphate-based green luminescent material and preparation method thereof are provided. The chemical formula of the material is M 3 RE 1-x Tb x (PO 4 ) 3 , wherein, M is alkaline-earth metals, RE is rare-earth elements, x is in a range of 0.001 to 1. The preparation method of the material includes the following steps; providing the compound used as the source of alkaline earth metal, the compound used as the source of phosphate, the compound used as the source of rare-earth, and the compound used as the source of Tb 3+ according to the molar ratio of the elements in M 3 RE 1-x Tb x (PO 4 ) 3 , wherein, the compound used as the source of phosphate is added at excess molar ratio in a range of 10% to 30%; mixing and grinding the compound to get mixture; sintering the mixture as pre-treatment, and then cooling the mixture to get a sintered matter; grinding the sintered matter, calcining the grinded matter in reducing atmosphere, and then cooling them to get the terbium doped phosphate-based green luminescent material. This material has short afterglow time, high luminescence intensity and broad application prospect.
    • 提供掺铒磷酸盐绿色发光材料及其制备方法。 材料的化学式为M 3 RE 1-x Tb x(PO 4)3,其中M为碱土金属,RE为稀土元素,x为0.001〜1。制备方法 的材料包括以下步骤: 提供用作碱土金属源的化合物,用作磷酸盐源的化合物,用作稀土源的化合物,以及用作Tb 3+源的化合物,根据其的摩尔比 M 3 RE 1-x Tb x(PO 4)3中的元素,其中,用作磷酸根源的化合物以10%至30%的过量摩尔比加入; 混合和研磨该化合物以得到混合物; 烧结混合物作为预处理,然后冷却混合物得到烧结物质; 研磨烧结物质,在还原气氛中煅烧研磨物质,然后冷却,得到掺铒磷酸盐基发光材料。 该材料具有短余辉,发光强度高,应用前景广阔。