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    • 1. 发明申请
    • SILICATE-BASED GREEN PHOSPHORS
    • 基于硅酸盐的绿色磷光体
    • WO2007056311A3
    • 2007-07-05
    • PCT/US2006043234
    • 2006-11-06
    • INTEMATIX CORPLI YI-QUNDONG YITAO DEJIECHENG SHIFANWANG NING
    • LI YI-QUNDONG YITAO DEJIECHENG SHIFANWANG NING
    • H01J29/20C09K11/08H01L33/50
    • C09K11/7734C09K11/7737H01L33/502
    • Novel green phosphors are dislcosed having the comprise silicate-based compounds having the formula (Sr,A 1 ) x (Si,A 2 )(O,A 3 ) 2+X :Eu 2+ where A 1 is at least one divalent cation (a 2+ ion) including Mg, Ca, Ba or Zn, or a combination of 1+ and 3+ cations; A 2 is a 3+, 4+, or 5+ cation, including at least one of B, A1, Ga, C, Ge, N, and P; A 3 is a 1-, 2-, or 3- anion, including F, Cl, Br, and S; and x is any value between 1.5 and 2.5, both inclusive. The formula is written to indicate that the A 1 cation replaces Sr; the A 2 cation replaces Si, and the A 3 anion replaces O. These green phosphors are configured to emit visible light having a peak emission wavelength greater than about 480 nm. They have applications in green illumination systems, red-green-blue backlighting systems, white LEDs, and plasma display panels (PDPs).
    • 新的绿色荧光体是具有包含具有式(Sr,A 1 H 2)x Si(Si,A 2 H 2)的硅酸盐基化合物 其中A 1是至少一个二价阳离子(其中,A 1,...,O 3, 一个2+离子),包括Mg,Ca,Ba或Zn,或1+和3+阳离子的组合; A 2,Ga,C,Ge,N和P中的至少一个为3+,4+或5+阳离子。 A 3是1-,2-或3-阴离子,包括F,Cl,Br和S; x是1.5到2.5之间的任何值,包括两者之间的值。 该公式被写为表示A 1阳离子取代Sr; A 2阳离子取代Si,并且A 3 N阴离子取代O.这些绿色磷光体被配置为发射具有大于约480nm的峰值发射波长的可见光。 它们在绿色照明系统,红绿蓝色背光系统,白色LED和等离子显示面板(PDP)中都有应用。
    • 3. 发明申请
    • 発光装置及びそれを用いた照明装置
    • 使用它的发光装置和照明装置
    • WO2003069686A1
    • 2003-08-21
    • PCT/JP2003/001506
    • 2003-02-13
    • 三菱化学株式会社瀬戸 孝俊木島 直人大野 玲
    • 瀬戸 孝俊木島 直人大野 玲
    • H01L33/00
    • C09K11/7734C09K11/7737C09K11/7738C09K11/7739H01L33/502H01L2224/48091H01L2224/48247H01L2924/181H01L2924/00014H01L2924/00012
    • A light emitting device high in light emitting intensity, a light emitting device high in light emitting intensity and excellent in color rendering. A light emitting device comprising a first light emitting element for generating light of 350-415 nm, and a second light emitting element for generating a visible ray of light when irradiated with light from the first light emitting element, characterized in that the second light emitting element contains a phosphor satisfying one of the following conditions 1-4: 1. (a) It contains a crystal phase where Eu concentration providing a maximum light emitting intensity at any one of excitation frequencies of 350-415 nm is higher than an Eu concentration providing a maximum light emitting intensity at an excitation frequency of 254 nm and (b) contains a crystal phase activated by Eu having at least 1.1 times the concentration providing a maximum light emitting intensity at an excitation frequency of 254 nm and 0.5-9 times the concentration providing a maximum light emitting intensity at an excitation frequency of 400 nm. 2. It contains a crystal phase where Eu-to-Eu average distance calculated from the Eu concentration in a crystal parent body is at least 4 Å and up to 11 Å. 3. It has a quantum absorption efficiency alphaq of at least 0.8. 4. It has a product alphaq etai of a quantum absorption efficiency alphaq and an internal quantum efficiency etai. of at least 0.55.
    • 发光强度高的发光元件,发光强度高,显色性优异的发光元件。 一种发光器件,包括用于产生350-415nm的光的第一发光元件和用于当用来自第一发光元件的光照射时产生可见光线的第二发光元件,其特征在于,所述第二发光元件 元素含有满足以下条件1-4之一的荧光体:(a)含有在350-415nm的激发频率下提供最​​大发光强度的Eu浓度高于Eu浓度的结晶相 在254nm的激发频率下提供最​​大发光强度,(b)包含由Eu激发的晶相,其具有至少1.1倍的浓度,其在254nm的激发频率和0.5-9倍的激发频率下提供最​​大发光强度 浓度在400nm的激发频率下提供最​​大发光强度。 它含有一个晶相,其中从晶体母体中的Eu浓度计算出的Eu至Eu的平均距离至少为4埃至11埃。 它具有至少0.8的量子吸收效率αq。 它具有量子吸收效率αq和内部量子效率等级的产品alphaq etai。 至少0.55。
    • 9. 发明申请
    • BOROPHOSPHATE PHOSPHOR AND LIGHT SOURCE
    • 硼磷酸盐和光源
    • WO2012055729A1
    • 2012-05-03
    • PCT/EP2011/068226
    • 2011-10-19
    • LEUCHTSTOFFWERK BREITUNGEN GMBHDUAN, Cheng-JunRÖSLER, Sven
    • DUAN, Cheng-JunRÖSLER, Sven
    • C09K11/71
    • C09K11/7737C09K11/774C09K11/7796C09K11/7797F21V9/30Y02B20/181
    • This invention is related to efficient inorganic borophosphate phosphors which can applied in various technical applications such as fluorescent lamps, colored light or white light emitting diodes, and other devices where phosphors are used to convert especially near UV radiation into the visible light. Further, this invention is related to light sources comprising the efficient borophosphate phosphor. The inventive phosphor absorbs radiation in a first wavelength range of the electromagnetic spectrum and emits radiation in a second wavelength range of the electromagnetic spectrum. This phospho is a borophosphate activated with divalent rare earth metal ions and is represented by the general formula: AX 1-x RE x BP 2 O 8 . Symbol A stand for at least one univalent alkaline metal ion. Symbol M represents at least one divalent metal ion. Symbol RE stands for at least one divalent ion selected from the group comprising rare earth metals Eu, Sm, and Yb as well as Pb, Sn, Cu, and Mn, wherein at least one of the divalent rare earth metal ions Eu, Sm, and/or Yb is acting as an activator. Variable x is limited by 0
    • 本发明涉及可用于诸如荧光灯,彩色光或白色发光二极管等各种技术应用的有效的无机磷光体磷光体,以及使用荧光体将UV辐射特别接近可见光的其它装置。 此外,本发明涉及包含有效硼磷酸盐荧光体的光源。 本发明的荧光体吸收电磁光谱的第一波长范围内的辐射并且在电磁光谱的第二波长范围内发射辐射。 该磷酸是用二价稀土金属离子活化的硼磷酸盐,由通式AX1-xRExBP2O8表示。 符号A代表至少一种一价碱金属离子。 符号M表示至少一种二价金属离子。 符号RE代表选自稀土金属Eu,Sm和Yb以及Pb,Sn,Cu和Mn中的至少一种二价离子,其中至少一种二价稀土金属离子Eu,Sm, 和/或Yb作为活化剂。 变量x受限于0