LIGHT-EMITTING DEVICE
    2.
    发明申请
    LIGHT-EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20140252391A1

    公开(公告)日:2014-09-11

    申请号:US14184881

    申请日:2014-02-20

    IPC分类号: H01L33/50

    摘要: A light-emitting device of an embodiment includes a light-emitting element emitting blue excitation light and a first phosphor excited by the blue excitation light and emitting fluorescence. A peak wavelength of the fluorescence is not shorter than 520 nm and shorter than 660 nm and the peak wavelength of the fluorescence shifting in the same direction when a peak wavelength of the blue excitation light shifts. The first phosphor is one of a yellow phosphor emitting yellow fluorescence, a green phosphor emitting green fluorescence, a yellow-green/yellow phosphor emitting yellow-green/yellow fluorescence and a red phosphor emitting red fluorescence.

    摘要翻译: 实施例的发光装置包括发射蓝色激发光的发光元件和由蓝色激发光激发并发射荧光的第一荧光体。 当蓝色激发光的峰值波长偏移时,荧光的峰值波长不小于520nm且小于660nm,并且荧光的峰值波长在相同方向上移动。 第一荧光体是发出黄色荧光的黄色荧光体,发出绿色荧光的绿色荧光体,发出黄绿色/黄色荧光物质的黄绿色/黄色荧光体和发出红色荧光物质的红色荧光体之一。

    FLUORESCENT SUBSTANCE AND METHOD FOR PRODUCING THE SAME
    7.
    发明申请
    FLUORESCENT SUBSTANCE AND METHOD FOR PRODUCING THE SAME 审中-公开
    荧光物质及其制造方法

    公开(公告)号:US20140287234A1

    公开(公告)日:2014-09-25

    申请号:US14183743

    申请日:2014-02-19

    IPC分类号: C09K11/77 B02C19/06

    摘要: The present embodiments provide a yellow light-emitting fluorescent substance of high luminous efficiency and also a production method thereof. This substance is represented by the formula (1): (M1-xREx)2yAlzSi10-zOuNw   (1) (in the formula, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K), and emits luminescence with a peak within 500 to 600 nm when excited by light of 250 to 500 nm. In the emission spectrum of the substance, the emission band with the above peak has a half-width corresponding to an energy difference of 0.457 eV or less. The substance can be obtained by pulverizing a material mixture so that the D90 value may be 5 μm or less and then by firing the pulverized mixture.

    摘要翻译: 本实施方式提供发光效率高的黄色发光荧光物质及其制造方法。 该物质由式(1)表示:(M1-xREx)2yAlzSi10-zOuNw(1)(式中,M为选自Ba,Sr,Ca,Mg,Li,Na中的至少一种元素 和K),并且当由250至500nm的光激发时,发射具有在500至600nm内的峰值的发光。 在物质的发射光谱中,具有上述峰的发射带的半值宽度对应于0.457eV以下的能量差。 可以通过粉碎材料混合物使得D90值可以为5μm以下,然后通过烧制粉碎的混合物来获得该物质。