Phosphor, light-emitting device using same, image display and illuminating device
    5.
    发明申请
    Phosphor, light-emitting device using same, image display and illuminating device 审中-公开
    荧光体,使用其的发光装置,图像显示和照明装置

    公开(公告)号:US20090026920A1

    公开(公告)日:2009-01-29

    申请号:US11631390

    申请日:2005-06-30

    IPC分类号: H01J63/04 H01J1/62 C09K11/78

    摘要: The present invention relates to a phosphor represented by the following general formula (I), comprising: a composite oxide containing a divalent and trivalent metal elements as a host crystal; and at least Ce as an activator element in said host crystal, wherein the phosphor has a maximum emission peak in a wavelength range of from 485 nm to 555 nm in the emission spectrum at room temperature: M1aM2bM3cOd  (I) wherein M1 represents an activator element containing at least Ce; M2 represents a divalent metal element; M3 represents a trivalent metal element; a is a number within a range of 0.0001≦a≦0.2; b is a number within a range of 0.8≦b≦1.2; c is a number within a range of 1.6≦c≦2.4; and d is a number within a range of 3.2≦d≦4.8. Further, a light emitting device comprising said phosphor and a display and a lighting system having said light emitting device as a light source are disclosed. In accordance with the present invention, a phosphor which can be easily produced and can provide a light emitting device having a high color rendering, a light emitting device comprising the phosphor, and a display and a lighting system comprising the light emitting device as a light source can be provided.

    摘要翻译: 本发明涉及由以下通式(I)表示的荧光体,其包含:含有二价和三价金属元素作为主体晶体的复合氧化物; 并且至少Ce作为所述主晶体中的活化剂元素,其中在室温下的发射光谱中,所述荧光体在485nm至555nm的波长范围内具有最大发射峰值:<?in-line-formula description =“ 在线公式“end =”lead“?> M1aM2bM3cOd(I)<?in-line-formula description =”In-line Formulas“end =”tail“?>其中M1表示至少含有Ce的活化元素; M2表示二价金属元素; M3表示三价金属元素; a是0.0001

    Light Emitting Device, and Lighting System, Image Display Using the Same
    6.
    发明申请
    Light Emitting Device, and Lighting System, Image Display Using the Same 审中-公开
    发光装置和照明系统,使用其的图像显示器

    公开(公告)号:US20080290786A1

    公开(公告)日:2008-11-27

    申请号:US11631103

    申请日:2005-06-29

    IPC分类号: H01J1/62

    摘要: To enhance luminance and color rendering of a light emitting device comprising phosphors as wavelength converting material and at least one semiconductor light emitting device that emits visible light, as said phosphors, are used phosphors which are one or more kinds of phosphors selected from a group consisting of oxides, oxynitrides and nitrides, and are a mixture consisting of two or more kinds of phosphors whose luminous efficiency is 35% or higher when excited by the visible light from said semiconductor light emitting device at room temperature. In addition, said mixture contains a first phosphor, and a second phosphor that is different from said first phosphor and capable of absorbing emitted light from said first phosphor, and said first phosphor is contained 85 weight % or more of said mixture of phosphors.

    摘要翻译: 为了提高包括作为波长转换材料的荧光体和发射可见光的至少一个半导体发光器件的发光器件的亮度和显色性,作为所述荧光体,使用荧光体,它们是一种或多种磷光体,其选自: 的氧化物,氮氧化物和氮化物,并且是由在室温下来自所述半导体发光器件的可见光激发时发光效率为35%以上的两种以上的荧光体组成的混合物。 此外,所述混合物包含第一荧光体和与所述第一荧光体不同的能够吸收来自所述第一荧光体的发射光的第二荧光体,并且所述第一荧光体含有所述荧光体混合物的85重量%以上。

    Phosphor, light emitting device using phosphor, and display and lighting system using light emitting device
    8.
    发明授权
    Phosphor, light emitting device using phosphor, and display and lighting system using light emitting device 有权
    荧光体,使用荧光体的发光装置以及使用发光装置的显示和照明系统

    公开(公告)号:US07790058B2

    公开(公告)日:2010-09-07

    申请号:US12124595

    申请日:2008-05-21

    IPC分类号: C09K11/79 C09K11/55 H01L33/00

    摘要: A phosphor (A) comprising a host material composed of a compound having a garnet crystal structure represented by the general formula (I): M1aM2bM3cOd  (I) (wherein M1 is a divalent metal element, M2 is a trivalent metal element, M3 is a tetravalent metal element containing at least Si, a is the number of 2.7 to 3.3, b is the number of 1.8 to 2.2, c is the number of 2.7 to 3.3, and d is the number of 11.0 to 13.0), and a luminescent center ion incorporated in the host material; a light emitting device (B) comprising the phosphor as a wavelength conversion material and a semiconductor light emitting element capable of emitting a light in the range of from ultraviolet light to visible light; and a display (C) and a lighting system (D) using the light emitting device (B) as a light source. The above phosphor can be readily produced, and can provide a light emitting device having a high color rendering property.

    摘要翻译: 一种荧光体(A),其特征在于,具有由具有通式(I)表示的石榴石晶体结构的化合物构成的主体材料:M1aM2bM3cOd(Ⅰ)(其中M1为二价金属元素,M2为三价金属元素,M3为 至少含有Si的四价金属元素,a为2.7〜3.3的数量,b为1.8〜2.2的数量,c为2.7〜3.3的数量,d为11.0〜13.0的数量),发光中心 离子掺入主体材料中; 包括作为波长转换材料的荧光体的发光器件(B)和能够发射从紫外光到可见光的范围内的光的半导体发光元件; 以及使用发光装置(B)作为光源的显示器(C)和照明系统(D)。 可以容易地制造上述荧光体,并且可以提供具有高显色性能的发光器件。

    Phosphor, light-emitting device using same, image display and illuminating device
    10.
    发明授权
    Phosphor, light-emitting device using same, image display and illuminating device 有权
    荧光体,使用其的发光装置,图像显示和照明装置

    公开(公告)号:US08384285B2

    公开(公告)日:2013-02-26

    申请号:US13102416

    申请日:2011-05-06

    摘要: The present invention relates to a phosphor represented by the following general formula (I), comprising: a composite oxide containing a divalent and trivalent metal elements as a host crystal; and at least Ce as an activator element in said host crystal, wherein the phosphor has a maximum emission peak in a wavelength range of from 485 nm to 555 nm in the emission spectrum at room temperature: M1aM2bM3cOd  (I) wherein M1 represents an activator element containing at least Ce; M2 represents a divalent metal element; M3 represents a trivalent metal element; a is a number within a range of 0.0001≦a≦0.2; b is a number within a range of 0.8≦b≦1.2; c is a number within a range of 1.6≦c≦2.4; and d is a number within a range of 3.2≦d≦4.8. Further, a light emitting device comprising said phosphor and a display and a lighting system having said light emitting device as a light source are disclosed. In accordance with the present invention, a phosphor which can be easily produced and can provide a light emitting device having a high color rendering, a light emitting device comprising the phosphor, and a display and a lighting system comprising the light emitting device as a light source can be provided.

    摘要翻译: 本发明涉及由以下通式(I)表示的荧光体,其包含:含有二价和三价金属元素作为主体晶体的复合氧化物; 并且至少Ce作为所述主晶体中的活化元素,其中在室温下的发射光谱中,所述荧光体在485nm至555nm的波长范围内具有最大发射峰:M1aM2bM3cOd(I)其中M1表示活化元素 至少含有Ce; M2表示二价金属元素; M3表示三价金属元素; a是在0.0001&nlE范围内的数字; a&nlE; 0.2; b为0.8&nlE; b&nlE; 1.2; c为1.6&nlE范围内的数字; c&nlE; 2.4; d为3.2&nlE; d&nlE; 4.8的范围内的数字。 此外,公开了包括所述荧光体和显示器的发光装置和具有所述发光装置作为光源的照明系统。 根据本发明,可以容易地制造出能够提供具有高显色性的发光装置的荧光体,包括荧光体的发光装置和显示器以及包括发光装置作为光的照明系统 源可以提供。