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    • 2. 发明授权
    • White light emitting phosphor blends for LED devices
    • 用于LED器件的白色发光荧光粉混合物
    • US06621211B1
    • 2003-09-16
    • US09570932
    • 2000-05-15
    • Alok Mani SrivastavaHolly Ann ComanzoThomas Francis McNulty
    • Alok Mani SrivastavaHolly Ann ComanzoThomas Francis McNulty
    • H01J3300
    • H01L33/504C09K11/7734H01L2224/48091H01L2924/12044Y02B20/181H01L2924/00014H01L2924/00
    • There is provided white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 575 to about 620 nm, a second luminescent material having a peak emission wavelength of about 495 to about 550 nm, which is different from the first luminescent material and a third luminescent material having a peak emission wavelength of about 420 to about 480 nm, which is different from the first and second luminescent materials. The LED may be a UV LED and the luminescent materials may be a blend of three or four phosphors. The first phosphor may be an orange emitting Eu2+, M+ activated strontium pyrophosphate, Sr2P2O7:Eu2+, Mn2+. The second phosphor may be a blue-green emitting Eu2+ activated barium silicate, (Ba,Sr,Ca)2SiO4:Eu2+. The third phosphor may be a blue emitting SECA phosphor, (Sr,Ba,Ca)5(PO4)3Cl:Eu2+. Optionally, the fourth phosphor may be a red emitting Mn4+ activated magnesium fluorogermanate, 3.5MgO*0.5MgF2*GeO2:Mn4+. A human observer perceives the combination of the orange, blue-green, blue and/or red phosphor emissions as white light.
    • 提供了包括辐射源的白光照明系统,具有约575至约620nm的峰值发射波长的第一发光材料,具有约495至约550nm的峰值发射波长的第二发光材料,其不同于 第一发光材料和具有约420至约480nm的峰值发射波长的第三发光材料,其不同于第一和第二发光材料。 LED可以是UV LED,发光材料可以是三种或四种荧光体的混合物。 第一个磷光体可以是橙色发射的Eu 2+,M +活化的焦磷酸锶,Sr2P2O7:Eu2 +,Mn2 +。 第二荧光体可以是发蓝光的Eu2 +活化的硅酸钡(Ba,Sr,Ca)2 SiO 4:Eu 2+。 第三荧光体可以是发蓝光的SECA荧光体(Sr,Ba,Ca)5(PO4)3Cl:Eu2 +。 任选地,第四个磷光体可以是发射红色的Mn4 +活化的氟化氟镁,3.5MgO * 0.5MgF2 * GeO2:Mn4 +。 人类观察者将橙色,蓝绿色,蓝色和/或红色荧光体发射的组合视为白光。
    • 5. 发明授权
    • White light emitting phosphor blends for LED devices
    • 用于LED器件的白色发光荧光粉混合物
    • US06939481B2
    • 2005-09-06
    • US10617028
    • 2003-07-11
    • Alok Mani SrivastavaHolly Ann ComanzoThomas Francis McNulty
    • Alok Mani SrivastavaHolly Ann ComanzoThomas Francis McNulty
    • C09K11/64C09K11/73C09K11/77H01L33/50C09K11/08
    • H01L33/504C09K11/7734H01L2224/48091H01L2924/12044Y02B20/181H01L2924/00014H01L2924/00
    • There is provided white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 575 to about 620 nm, a second luminescent material having a peak emission wavelength of about 495 to about 550 nm, which is different from the first luminescent material and a third luminescent material having a peak emission wavelength of about 420 to about 480 nm, which is different from the first and second luminescent materials. The LED may be a UV LED and the luminescent materials may be a blend of three or four phosphors. The first phosphor may be an orange emitting Eu2+, Mn2+ activated strontium pyrophosphate, Sr2P2O7:Eu2+, Mn2+. The second phosphor may be a blue-green emitting Eu2+ activated barium silicate, (Ba,Sr,Ca)2SiO4:Eu2+. The third phosphor may be a blue emitting SECA phosphor, (Sr,Ba,Ca)5(PO4)3Cl:Eu2+. Optionally, the fourth phosphor may be a red emitting Mn4+ activated magnesium fluorogermanate, 3.5MgO*0.5MgF2*GeO2:Mn4+. A human observer perceives the combination of the orange, blue-green, blue and/or red phosphor emissions as white light.
    • 提供了包括辐射源的白光照明系统,具有约575至约620nm的峰值发射波长的第一发光材料,具有约495至约550nm的峰值发射波长的第二发光材料,其不同于 第一发光材料和具有约420至约480nm的峰值发射波长的第三发光材料,其不同于第一和第二发光材料。 LED可以是UV LED,发光材料可以是三种或四种荧光体的混合物。 第一种磷光体可以是发射发光的Eu 2+,Mn 2+激活的焦磷酸锶,Sr 2 P 2, Eu 2+,Eu 2+,Mn 2+。 第二荧光体可以是蓝绿色发射的Eu 2+活化的硅酸钡(Ba,Sr,Ca)2 SiO 4:Eu 2 + 。 第三荧光体可以是发蓝光的SECA磷光体(Sr,Ba,Ca)5(PO 4)3 Cl:Eu > 2 + 。 任选地,第四个磷光体可以是红色发射的Mn 4+活化的氟化氟钼酸镁,3.5MgO * 0.5MgF 2 * GeO 2:Mn, SUP> 4 + 。 人类观察者将橙色,蓝绿色,蓝色和/或红色荧光体发射的组合视为白光。
    • 9. 发明申请
    • CASTING COMPOSITIONS FOR MANUFACTURING METAL CASTING AND METHODS OF MANUFACTURING THEREOF
    • 用于制造金属铸件的铸造组合物及其制造方法
    • US20080135721A1
    • 2008-06-12
    • US11567409
    • 2006-12-06
    • Hsin-Pang WangJohn Thomas LemanThomas Francis McNultyChing-Pang Lee
    • Hsin-Pang WangJohn Thomas LemanThomas Francis McNultyChing-Pang Lee
    • B22C9/10B22C1/22
    • B22C1/183
    • Disclosed herein is a method comprising disposing a casting composition within a sacrificial die; wherein internal features of the sacrificial die provide a replica of a desired casting; wherein the casting composition has a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 seconds−1; reacting the casting composition to form a gel matrix; removing the sacrificial die; extracting a solvent from the gel matrix to form a dried gel; and firing the dried gel to form a ceramic core. Disclosed herein too is a casting composition comprising a monomer and/or a polymer; and a metal and/or ceramic powder; wherein the casting composition has a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 seconds−1 and a flow index of less than 0.6.
    • 本文公开了一种方法,包括在牺牲模具内设置浇铸组合物; 其中牺牲模具的内部特征提供所需铸件的复制品; 其中当在高达70秒-1的剪切速率下测试时,所述浇铸组合物在室温下具有约1至约1,000帕斯卡 - 秒的粘度; 使浇铸组合物反应形成凝胶基质; 去除牺牲模具; 从凝胶基质中提取溶剂以形成干凝胶; 并焙烧干燥的凝胶以形成陶瓷芯。 本文还公开了包含单体和/或聚合物的铸塑组合物; 和金属和/或陶瓷粉末; 其中当在高达70秒-1的剪切速率和小于0.6的流动指数下测试时,所述浇铸组合物在室温下具有约1至约1,000帕斯卡 - 秒的粘度。