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    Phosphor, light-emitting device using same, image display and illuminating device
    32.
    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

    申请人： Yasuo Shimomura ,  Naoto Kijima

    发明人： Yasuo Shimomura ,  Naoto Kijima

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

    CPC分类号： C09K11/7768 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H05B33/14 ,  H01L2924/00014 ,  H01L2924/00012

    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

    PHOSPHOR AND METHOD FOR PRODUCTION THEREOF, AND APPLICATION THEREOF
    33.
    发明申请
    PHOSPHOR AND METHOD FOR PRODUCTION THEREOF, AND APPLICATION THEREOF 审中-公开
    磷光体及其生产方法及其应用

    公开(公告)号：US20090008663A1

    公开(公告)日：2009-01-08

    申请号：US11816920

    申请日：2006-02-23

    申请人： Etsuo Shimizu ,  Masahiko Yoshino ,  Naoto Kijima

    发明人： Etsuo Shimizu ,  Masahiko Yoshino ,  Naoto Kijima

    IPC分类号： H01L33/00 ,  C01F17/00 ,  C09K11/78

    CPC分类号： C09K11/7774 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/00014

    摘要： A phosphor containing a crystal phase having a chemical composition expressed by the following general formula [1], and exhibiting an average variation rate of the emission intensity of 1.3 or less upon excitation with light having a peak in the wavelength range of 420 nm to 480 nm, the variation rate of the emission intensity being calculated by the following general formula [2]. (Ln1-a-bCeaTbb)3M5O12  [1] wherein Ln is at least one element selected from the group consisting of Y, Gd, Sc, Lu, and La, M represents at least one element selected from the group consisting of Al, Ga, and In, and a and b satisfy 0.001≦a≦0.3 and 0≦b≦0.5, respectively. Variation rate of emission intensity=[(I(λ+1)−I(λ))/I(λ)]2  [2] wherein I(λ) is the emission intensity of the phosphor at an excitation wavelength of λnm, and I(λ+1) is the emission intensity of the phosphor at an excitation wavelength of (λ+1) nm.

    摘要翻译： 一种含有具有由以下通式[1]表示的化学组成的结晶相的荧光体，并且在420nm至480nm的波长范围内具有峰的光激发时，发光强度的平均变化率为1.3以下 nm，发射强度的变化率由以下通式[2]计算。 （Ln1-a-bCeaTbb）3M5O12 [1] <？in-line-formula description =“In-line formula”end =“lead”？ “尾”→其中Ln是选自Y，Gd，Sc，Lu和La中的至少一种元素，M表示选自Al，Ga和In中的至少一种元素，以及 并且b分别满足0.001 <= a <= 0.3且0 <= b <= 0.5。 <？in-line-formula description =“In-line Formulas”end =“lead”？>发射强度的变化率= [（I（λ+ 1）-I（λ））/ I（λ）] 2 [ 其中I（λ）是在lambdanm的激发波长处的荧光体的发射强度，I（λ+ 1）<λin-line-formula description =“In-line Formulas”end =“tail” 是在（λ+ 1）nm的激发波长处的荧光体的发射强度。

    Light emitting device and illuminator using the same
    34.
    发明申请
    Light emitting device and illuminator using the same 有权
    发光装置及使用其的照明装置

    公开(公告)号：US20050145854A1

    公开(公告)日：2005-07-07

    申请号：US10918339

    申请日：2004-08-16

    申请人： Takatoshi Seto ,  Naoto Kijima ,  Akira Ohno

    发明人： Takatoshi Seto ,  Naoto Kijima ,  Akira Ohno

    IPC分类号： C09K11/77 ,  H01L27/15 ,  H01L33/50 ,  H05B33/14

    CPC分类号： C09K11/7734 ,  C09K11/7737 ,  C09K11/7738 ,  C09K11/7739 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

    摘要： An object of the present invention is to provide a light emitting device having a high emission intensity, and a light emitting device having a high emission intensity and a good color rendering property. The present invention provides a light emitting device which comprises: a first light emitter emitting light of from 350 to 415 nm and a second light emitter emitting visible light by exposure to the light from the first light emitter, wherein said second light emitter comprises a phosphor capable of satisfying any one of the following conditions (i) to (iv): (i) the phosphor comprises: (a) a crystal phase whose Eu concentration providing the maximum emission intensity at any one of excitation wavelengths of from 350 to 415 nm is higher than that providing the maximum emission intensity at an excitation wavelength of 254 nm; and (b) a crystal phase which is activated by Eu having at least 1.1 times the concentration providing the maximum emission intensity at an excitation wavelength of 254 nm and 0.5 to 9 times the concentration providing the maximum emission intensity at an excitation frequency of 400 nm: (ii) the phosphor comprises a crystal phase having an Eu—Eu mean distance, as calculated from the Eu concentration in a crystal matrix, of 4 Å or greater but not greater than 11 Å: (iii) the phosphor has a quantum absorption efficiency αq of 0.8 or greater: (iv) the phosphor has a product αq·ηi of a quantum absorption efficiency αq and an internal quantum efficiency ηi of 0.55 or greater.

    摘要翻译： 本发明的目的是提供一种具有高发光强度的发光器件和具有高发光强度和良好显色性能的发光器件。 本发明提供了一种发光装置，其包括：发射350〜415nm的光的第一发光体和通过暴露于来自第一光发射体的光而发射可见光的第二发光体，其中所述第二发光体包括磷光体 能够满足以下条件（i）至（iv）中的任何一个：（i）所述荧光体包括：（a）在350至415nm的激发波长中的任何一个处提供最大发射强度的Eu浓度的结晶相 高于在254nm的激发波长处提供最大发射强度; 和（b）由Eu激发的晶相，其具有在254nm的激发波长处提供最大发射强度的浓度的至少1.1倍，并且在400nm的激发频率下提供最​​大发射强度的浓度的0.5至9倍 ：（ii）该荧光体包括从晶体矩阵中的Eu浓度计算出的具有Eu-Eu平均距离的结晶相，为4以上但以下：（iii）荧光体具有量子吸收 0.8或更高的效率α：（iv）磷光体具有量子吸收效率α

    HALOPHOSPHATE PHOSPHOR AND WHITE LIGHT-EMITTING DEVICE
    37.
    发明申请
    HALOPHOSPHATE PHOSPHOR AND WHITE LIGHT-EMITTING DEVICE 审中-公开
    卤磷酸盐和白色发光装置

    公开(公告)号：US20120267999A1

    公开(公告)日：2012-10-25

    申请号：US13411012

    申请日：2012-03-02

    申请人： Hiroaki Sakuta ,  Kazuhiko Kagawa ,  Yoshihito Sato ,  Takatoshi Seto ,  Naoto Kijima

    发明人： Hiroaki Sakuta ,  Kazuhiko Kagawa ,  Yoshihito Sato ,  Takatoshi Seto ,  Naoto Kijima

    IPC分类号： H01L33/50 ,  C09K11/86

    CPC分类号： C09K11/7739 ,  H01L33/502 ,  H01L2924/0002 ,  Y02B20/181 ,  H01L2924/00

    摘要： The present invention provides a blue (blue-green) phosphor that has sufficient emission intensity in the wavelength region around 490 nm and that has high emission luminance at a temperature region reached during LED operation. The present invention also provides a white light-emitting device that uses a high-luminance green phosphor having an emission peak wavelength of 535 nm or greater and that has improved bright blue reproducibility.A phosphor having a chemical composition of general formula [1] has sufficient emission intensity in a wavelength region around 490 nm, and a white light-emitting device that uses such a phosphor has improved bright blue reproducibility. (Sr,Ca)aBabEux(PO4)cXd  [1] (In general formula [1], X is Cl; c, d and x are numbers satisfying 2.7≦c≦3.3, 0.9≦d≦1.1 and 0.3≦x≦1.2; and a and b satisfy the conditions a+b=5−x and 0.12≦b/(a+b)≦0.4.).

    摘要翻译： 本发明提供一种蓝色（蓝绿色）荧光体，其在490nm左右的波长范围内具有足够的发光强度，并且在LED操作期间达到的温度区域具有高的发光亮度。 本发明还提供一种使用发光峰值波长为535nm以上并具有提高的蓝色再现性的高亮度绿色荧光体的白色发光装置。 具有通式[1]的化学组成的荧光体在490nm左右的波长区域具有足够的发光强度，并且使用这种荧光体的白色发光器件具有改善的亮蓝色重现性。 （Sr，Ca）aBabEux（PO4）cXd [1]（通式[1]中，X为Cl; c，d和x为满足2.7＆nlE; c＆nlE; 3.3,0.9＆nlE; d＆nlE; 1.1和0.3＆ x和nlE; 1.2; a和b满足条件a + b = 5-x和0.12＆nlE; b /（a + b）＆nlE; 0.4。

    PHOSPHOR, LIGHT EMITTING DEVICE USING PHOSPHOR, AND DISPLAY AND LIGHTING SYSTEM USING LIGHT EMITTING DEVICE
    40.
    发明申请
    PHOSPHOR, LIGHT EMITTING DEVICE USING PHOSPHOR, AND DISPLAY AND LIGHTING SYSTEM USING LIGHT EMITTING DEVICE 审中-公开
    磷光体，使用磷光体的发光装置，以及使用发光装置的显示和照明系统

    公开(公告)号：US20100283383A1

    公开(公告)日：2010-11-11

    申请号：US12843454

    申请日：2010-07-26

    申请人： Yasuo Shimomura ,  Naoto Kijima

    发明人： Yasuo Shimomura ,  Naoto Kijima

    IPC分类号： H01J1/63 ,  C09K11/78 ,  C09K11/67

    CPC分类号： C09K11/7731 ,  C09K11/0883 ,  C09K11/665 ,  C09K11/7721 ,  C09K11/7728 ,  C09K11/7734 ,  C09K11/7774 ,  C09K11/7789 ,  H01L33/502 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/49107 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2924/00

    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。