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公开(公告)号：US07597817B1
公开(公告)日：2009-10-06
申请号：US10829590
申请日：2004-04-21
Applicant: Yi-Qun Li , Ning Wang , Qizhen Xue , Shifan Cheng , Xiao-Dong Xiang
Inventor： Yi-Qun Li , Ning Wang , Qizhen Xue , Shifan Cheng , Xiao-Dong Xiang
CPC classification number: H01F1/407 , C01G23/006 , C01G49/0036 , C01G49/009 , C01G51/006 , C01G53/006 , C01P2002/34 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2006/42
Abstract: Novel metal oxide compositions are disclosed. These ferromagnetic or ferrimagnetic compositions have resitivities that vary between those of semiconducting and insulating materials, and they further exhibit Curie temperatures greater than room temperature (i.e., greater than 300 K). They are perovskite structures with the general chemical formulas (A1-xMx)BO3, (A1-xMx)(B′B″)O3 or A(B1-xMx)O3, where A can be a 1+, 2+ and 3+ charged ion; B can be a 5+, 4+, 3+ charged ion; B′ and B″ can be 2+, 3+, 4+, 5+ and 6+ charged ion. M is a magnetic ion dopant. X-ray diffraction patterns are presented for exemplary compositions.
Abstract translation: 公开了新的金属氧化物组合物。 这些铁磁性或亚铁磁性组合物具有在半导体材料和绝缘材料之间变化的灵敏度，并且它们还表现出高于室温（即大于300K）的居里温度。 它们是具有一般化学式（A1-xMx）BO3，（A1-xMx）（B'B“）O3或A（B1-xMx）O3的钙钛矿结构，其中A可以是1 +，2+和3 +带电离子; B可以是5+，4+，3+带电离子; B'和B“可以是2+，3+，4+，5+和6+带电离子。 M是磁离子掺杂剂。 呈现X射线衍射图案用于示例性组合物。
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公开(公告)号：US20080073616A1
公开(公告)日：2008-03-27
申请号：US11900307
申请日：2007-09-10
Applicant: Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
Inventor： Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
IPC: C09K11/77
CPC classification number: C09K11/7734 , C09K11/592 , H01L33/502 , H01L33/504 , Y02B20/181
Abstract: Novel phosphor systems for a white LED are disclosed. The phosphor systems are excited by a non-visible to near-UV radiation source having an excitation wavelength ranging from about 250 to 420 nm. The phosphor system may comprise one phosphor, two phosphors, and may include optionally a third and even a fourth phosphor. In one embodiment of the present invention, the phosphor is a two phosphor system having a blue phosphor and a yellow phosphor, wherein the long wavelength end of the blue phosphor is substantially the same wavelength as the short wavelength end of the yellow phosphor. Alternatively, there may be a wavelength gap between the yellow and blue phosphors. The yellow phosphor may be phosphate or silicate-based, and the blue phosphor may be silicate or aluminate-based. Single phosphor systems excited by non-visible radiation are also disclosed. In other embodiments of present invention, a single phosphor is used to produce white light illumination, the single phosphor having a broad emission spectrum with a peak intensity ranging from about 520 to 560 nm.
Abstract translation: 公开了一种用于白色LED的新型荧光体系统。 磷光体系统由具有约250至420nm的激发波长的不可见至近紫外辐射源激发。 荧光体系统可以包括一个磷光体，两个磷光体，并且可以包括任选的第三和第四个磷光体。 在本发明的一个实施例中，荧光体是具有蓝色荧光体和黄色荧光体的二磷光体系，蓝色荧光体的长波长端与黄色荧光体的短波长端基本相同。 或者，黄色和蓝色荧光体之间可能存在波长间隙。 黄色磷光体可以是磷酸盐或硅酸盐，并且蓝色磷光体可以是硅酸盐或铝酸盐。 还公开了由不可见辐射激发的单个荧光体系统。 在本发明的其它实施例中，使用单个荧光体来产生白光照明，该单个荧光体具有宽的发射光谱，其峰强度范围为约520至560nm。
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公开(公告)号：US07267787B2
公开(公告)日：2007-09-11
申请号：US10912741
申请日：2004-08-04
Applicant: Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
Inventor： Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
IPC: H01L33/00
CPC classification number: C09K11/7734 , C09K11/592 , H01L33/502 , H01L33/504 , Y02B20/181
Abstract: Novel phosphor systems for a white LED are disclosed. The phosphor systems are excited by a non-visible to near-UV radiation source having an excitation wavelength ranging from about 250 to 420 nm. The phosphor system may comprise one phosphor, two phosphors, and may include optionally a third and even a fourth phosphor. In one embodiment of the present invention, the phosphor is a two phosphor system having a blue phosphor and a yellow phosphor, wherein the long wavelength end of the blue phosphor is substantially the same wavelength as the short wavelength end of the yellow phosphor. Alternatively, there may be a wavelength gap between the yellow and blue phosphors. The yellow phosphor may be phosphate or silicate-based, and the blue phosphor may be silicate or aluminate-based. Single phosphor systems excited by non-visible radiation are also disclosed. In other embodiments of present invention, a single phosphor is used to produce white light illumination, the single phosphor having a broad emission spectrum with a peak intensity ranging from about 520 to 560 nm.
Abstract translation: 公开了一种用于白色LED的新型荧光体系统。 磷光体系统由具有约250至420nm的激发波长的不可见至近紫外辐射源激发。 荧光体系统可以包括一个磷光体，两个磷光体，并且可以包括任选的第三和第四个磷光体。 在本发明的一个实施例中，荧光体是具有蓝色荧光体和黄色荧光体的二磷光体系，蓝色荧光体的长波长端与黄色荧光体的短波长端基本相同。 或者，黄色和蓝色荧光体之间可能存在波长间隙。 黄色磷光体可以是磷酸盐或硅酸盐，并且蓝色磷光体可以是硅酸盐或铝酸盐。 还公开了由不可见辐射激发的单个荧光体系统。 在本发明的其它实施例中，使用单个荧光体来产生白光照明，该单个荧光体具有宽的发射光谱，峰值强度范围为约520至560nm。
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公开(公告)号：US20060027781A1
公开(公告)日：2006-02-09
申请号：US10912741
申请日：2004-08-04
Applicant: Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
Inventor： Yi Dong , Ning Wang , Shifan Cheng , Yi-Qun Li
CPC classification number: C09K11/7734 , C09K11/592 , H01L33/502 , H01L33/504 , Y02B20/181
Abstract: Novel phosphor systems for a white LED are disclosed. The phosphor systems are excited by a non-visible to near-UV radiation source having an excitation wavelength ranging from about 250 to 420 nm. The phosphor system may comprise one phosphor, two phosphors, and may include optionally a third and even a fourth phosphor. In one embodiment of the present invention, the phosphor is a two phosphor system having a blue phosphor and a yellow phosphor, wherein the long wavelength end of the blue phosphor is substantially the same wavelength as the short wavelength end of the yellow phosphor. Alternatively, there may be a wavelength gap between the yellow and blue phosphors. The yellow phosphor may be phosphate or silicate-based, and the blue phosphor may be silicate or aluminate-based. Single phosphor systems excited by non-visible radiation are also disclosed. In other embodiments of present invention, a single phosphor is used to produce white light illumination, the single phosphor having a broad emission spectrum with a peak intensity ranging from about 520 to 560 nm.
Abstract translation: 公开了一种用于白色LED的新型荧光体系统。 磷光体系统由具有约250至420nm的激发波长的不可见至近紫外辐射源激发。 荧光体系统可以包括一个磷光体，两个磷光体，并且可以包括任选的第三和第四个磷光体。 在本发明的一个实施例中，荧光体是具有蓝色荧光体和黄色荧光体的二磷光体系，蓝色荧光体的长波长端与黄色荧光体的短波长端基本相同。 或者，黄色和蓝色荧光体之间可能存在波长间隙。 黄色磷光体可以是磷酸盐或硅酸盐，并且蓝色磷光体可以是硅酸盐或铝酸盐。 还公开了由不可见辐射激发的单个荧光体系统。 在本发明的其它实施例中，使用单个荧光体来产生白光照明，该单个荧光体具有宽的发射光谱，其峰强度范围为约520至560nm。
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公开(公告)号：US07311858B2
公开(公告)日：2007-12-25
申请号：US10948764
申请日：2004-09-22
Applicant: Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
Inventor： Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
CPC classification number: C09K11/7734 , C09K11/0883 , H01L33/502 , Y02B20/181
Abstract: Novel phosphor systems are disclosed having the formula A2SiO4:Eu2+D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a dopant selected from the group consisting of F, Cl, Br, I, P, S and N. In one embodiment, the novel phosphor has the formula (Sr1-x-yBaxMy)2 SiO4:Eu2+F (where M is one of Ca, Mg, Zn, or Cd in an amount ranging from 0
Abstract translation: 公开了具有式A 2 SiO 2：Eu 2+的新型荧光体系统，其中A是选自二价金属中的至少一种 由Sr，Ca，Ba，Mg，Zn和Cd组成的组; 并且D是选自F，Cl，Br，I，P，S和N的掺杂剂。在一个实施方案中，新型荧光体具有式（Sr 1-xy）Ba 其中，M为1个，其中M为1个，其中M为1个 的Ca，Mg，Zn或Cd，其量为0
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Patent Agency Ranking
公开(公告)号：US20060261309A1
公开(公告)日：2006-11-23
申请号：US11417690
申请日：2006-05-03
Applicant: Yi-Qun Li , Yi Dong , Shifan Cheng , Dejie Tao , Ning Wang
Inventor： Yi-Qun Li , Yi Dong , Shifan Cheng , Dejie Tao , Ning Wang
CPC classification number: C09K11/7734 , H01J61/35 , H01L33/502 , H01L2924/0002 , H01L2924/00
Abstract: Novel two-phase yellow phosphors are disclosed having a peak emission intensity at wavelengths ranging from about 555 nm to about 580 nm when excited by a radiation source having a wavelength ranging from 220 nm to 530 nm. The present phosphors may be represented by the formula a[Srx(M1)1-x]zSiO4●(1-a)[Sry(M2)1-y]uSiO5:Eu2+D, wherein M1 and M2 are at least one of a divalent metal such as Ba, Mg, Ca, and Zn, the values of a, x, y, z and u follow the following relationships: 0.6≦a≦0.85; 0.3≦x≦0.6; 0.85≦y≦1; 1.5≦z≦2.5; 2.6≦u≦3.3; and Eu and D each range from 0.001 to about 0.5. D is an anion selected from the group consisting of F, Cl, Br, S, and N, and at least some of the D anion replaces oxygen in the host silicate lattice of the phosphor. The present yellow phosphors have applications in high brightness white LED illumination systems, LCD display panels, plasma display panels, and yellow LEDs and illumination systems.
Abstract translation: 公开了当波长范围为220nm至530nm的辐射源激发时，波长范围为约555nm至约580nm的峰值发射强度的新型二相黄色荧光体。 本发明的荧光体可以由式a [Sr x 1（M 1）1-x N z SiO 2 S / >（1-a）[Sr y y（（（u u Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu 2 + D，其中M1和M2是二价金属如Ba，Mg，Ca和Zn中的至少一种，a，x，y，z和u的值遵循以下关系 ：0.6 <= a <= 0.85; 0.3 <= x <= 0.6; 0.85 <= y <= 1; 1.5 <= z <= 2.5; 2.6 <= u <= 3.3; 并且Eu和D各自为0.001至约0.5。 D是选自F，Cl，Br，S和N的阴离子，并且D阴离子中的至少一些取代荧光体的主体硅酸盐晶格中的氧。 目前的黄色荧光粉可用于高亮度白光LED照明系统，液晶显示面板，等离子显示面板以及黄色LED和照明系统。
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公开(公告)号：US20060158090A1
公开(公告)日：2006-07-20
申请号：US11036914
申请日：2005-01-14
Applicant: Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
Inventor： Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
CPC classification number: C09K11/7734 , H01J1/63
Abstract: Novel aluminate-based green phosphors are disclosed having the formula M1−xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1
Abstract translation: 公开了具有下式的新型铝酸盐基绿色荧光体：M 1-x O x x Al 2 O 3 + 1 / 3y / 2 < 其中M是选自Ba，Sr，Ca，Mg，Mn，Zu，Cu，Cd，Sm和Tm中的二价金属中的至少一种; 0.1
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公开(公告)号：US20060028122A1
公开(公告)日：2006-02-09
申请号：US10948764
申请日：2004-09-22
Applicant: Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
Inventor： Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
CPC classification number: C09K11/7734 , C09K11/0883 , H01L33/502 , Y02B20/181
Abstract: Novel phosphor systems are disclosed having the formula A2SiO4:Eu2+D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a dopant selected from the group consisting of F, Cl, Br, I, P, S and N. In one embodiment, the novel phosphor has the formula (Sr1-x-yBaxMy)2SiO4:Eu2+F (where M is one of Ca, Mg, Zn, or Cd in an amount ranging from 0
Abstract translation: 公开了具有式A 2 SiO 2：Eu 2+的新型荧光体系统，其中A是选自二价金属中的至少一种 由Sr，Ca，Ba，Mg，Zn和Cd组成的组; 并且D是选自F，Cl，Br，I，P，S和N的掺杂剂。在一个实施方案中，新型荧光体具有式（Sr 1-xy）Ba 其中，M为1个，其中M为1个，其中M为1个 的Ca，Mg，Zn或Cd，其量为0
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公开(公告)号：US06641940B1
公开(公告)日：2003-11-04
申请号：US09974430
申请日：2001-10-09
Applicant: Yi-Qun Li , Xiao-Dong Xiang , Yi Dong , Shifan Cheng , Gang Wang , Ning Wang
Inventor： Yi-Qun Li , Xiao-Dong Xiang , Yi Dong , Shifan Cheng , Gang Wang , Ning Wang
IPC: B32B900
CPC classification number: C04B35/6262 , C04B35/4682 , C04B41/009 , C04B41/5041 , C04B41/87 , C04B2111/00844 , C04B2235/3208 , C04B2235/3213 , C04B2235/3217 , C04B2235/3224 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3244 , C04B2235/3251 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3286 , C04B2235/604 , C04B2235/761 , C23C14/088 , H01P1/2002 , C04B41/4529 , C04B35/04 , C04B35/44
Abstract: Composition for a solid state material, in bulk and in thin film form, that provides relatively high dielectric permittivity that is tunable with variable electrical field bias, relatively low loss tangent and low leakage current for microwave applications. In a first embodiment, the material is BaySr1−yTi1−xMxO3, where M is a substance or mixture including one or more elements drawn from a group consisting of Ta, Zr, Hf, V, Nb, Al, Ga, Cr, Mo, W, Mn, Sc and Re, and the indices x and y satisfy 0≦x≦1 and 0≦y≦1. A preferred choice is M=Ta, V, W, Mo and/or Nb. In a second embodiment, the material is BaySr1−yTi1−x−zTaxMzO3, where M is a substance or mixture including one or more trivalent elements drawn from a group consisting of Al, Ga and Cr and the indices x, y and z satisfy 0≦x+z≦1 and 0≦y≦1.
Abstract translation: 用于固体材料的体积和薄膜形式的组合物，其提供相对高的介电常数，其可变电场偏置可调，微波应用的相对低的损耗角正切和低泄漏电流。 在第一实施方案中，材料是BaySr1-yTi1-xMxO3，其中M是包含从由Ta，Zr，Hf，V，Nb，Al，Ga，Cr，Mo组成的组中的一种或多种元素的物质或混合物， W，Mn，Sc和Re，并且指数x和y满足0 <= x <= 1且0 <= y <= 1。 优选的选择是M = Ta，V，W，Mo和/或Nb。 在第二实施方案中，材料是BaySr1-yTi1-x-zTaxMzO3，其中M是包含从Al，Ga和Cr组成的组中绘制的一种或多种三价元素的物质或混合物，并且指数x，y和z满足0 <= x + z <= 1，0 <= Y＆LE; 1。
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公开(公告)号：US08017035B2
公开(公告)日：2011-09-13
申请号：US11963994
申请日：2007-12-24
Applicant: Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
Inventor： Ning Wang , Yi Dong , Shifan Cheng , Yi-Qun Li
IPC: H01J33/00
CPC classification number: C09K11/0883 , C09K11/7734 , H01L33/502 , Y02B20/181
Abstract: Novel phosphor systems are disclosed having the formula A2SiO4:Eu2+D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a dopant selected from the group consisting of F, Cl, Br, I, P, S, N, and B. In one embodiment, the novel phosphor has the formula (Sr1−x−yBaxMy)2SiO4:Eu2+F (where M is one of Ca, Mg, Zn, or Cd in an amount ranging from 0
Abstract translation: 公开了具有式A2SiO4：Eu2 + D的新型荧光体系统，其中A是选自Sr，Ca，Ba，Mg，Zn和Cd中的二价金属中的至少一种; 并且D是选自F，Cl，Br，I，P，S，N和B的掺杂剂。在一个实施方案中，新型荧光体具有式（Sr 1-x-y Bax M y）2 SiO 4：Eu 2+ （其中M为0
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