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21. 发明授权

US08040063B2 Blue phosphor, light-emitting device, and plasma display panel 有权
标题翻译：蓝色荧光体，发光装置和等离子体显示面板
公开(公告)号：US08040063B2
公开(公告)日：2011-10-18
申请号：US12595174
申请日：2008-03-25
申请人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
发明人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
IPC分类号： H01J1/62 , H01J63/04
CPC分类号： C09K11/7736 , H01J11/12 , H01J11/42 , H01J61/44
摘要： The present invention provides a blue phosphor that exhibits high luminance and shows less luminance degradation during driving of a light-emitting device. The present invention is a blue phosphor represented by the general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO3/2.eWO3, where 0.70≦a≦0.95, 0≦b≦0.15, 0.95≦c≦1.15, 9.00≦d≦11.00, 0.001≦e≦0.100, and a+b≦0.97 are satisfied. In this blue phosphor, two peaks whose tops are located in a range of diffraction angle 2θ=13.0 to 13.6 degrees are present in an X-ray diffraction pattern obtained by measurement on the blue phosphor using an X-ray with a wavelength of 0.774 Å.
摘要翻译：本发明提供了一种在发光装置的驱动期间显示出高亮度并且显示出较少亮度劣化的蓝色荧光体。本发明是由通式aBaO.bSrO（1-a-b）EuO.cMgO.dAlO3 / 2eWO3表示的蓝色荧光体，其中0.70和nlE; a＆nlE; 0.95,0和nlE; b＆nlE; 0.15,0.95＆ c＆nlE; 1.15,9.00和nlE; d＆nlE; 11.00,0.001和nlE; e＆nlE; 0.100和a + b＆nlE; 0.97。在这种蓝色荧光体中，其顶部位于衍射角2的范围内的两个峰位于13.0至13.6度的X射线衍射图中，其通过使用波长为0.774的X射线在蓝色荧光体上测量而获得一个。

22. 发明申请

US20090218926A1 METHOD OF MANUFACTURING BLUE SILICATE PHOSPHOR, AND BLUE SILICATE PHOSPHOR AND LIGHT-EMITTING DEVICE 有权
标题翻译：制造蓝色硅酸盐磷光体和蓝色硅酸盐荧光体和发光器件的方法
公开(公告)号：US20090218926A1
公开(公告)日：2009-09-03
申请号：US12299868
申请日：2007-05-16
申请人： Seigo Shiraishi , Kojiro Okuyama , Masahiro Sakai , Takehiro Zukawa
发明人： Seigo Shiraishi , Kojiro Okuyama , Masahiro Sakai , Takehiro Zukawa
IPC分类号： H01J63/04 , C09K11/54 , C09K11/77
CPC分类号： C09K11/7734 , C09K11/595 , C09K11/7774 , C09K11/778 , C09K11/7784 , C09K11/7797
摘要： The present invention provides a method of manufacturing a blue silicate phosphor having high luminance and a chromaticity y comparable to or lower than that of BAM:Eu. The present invention is a method of manufacturing a blue silicate phosphor represented by the general formula aAO.bEuO.(Mg1−w,Znw)O.cSiO2.dCaCl2, where A is at least one selected from Sr, Ba and Ca, and 2.970≦a≦3.500, 0.006≦b≦0.030, 1.900≦c≦2.100, 0≦d≦0.05, and 0≦w≦1 are satisfied. In this manufacturing method, heat treatment is carried out in a gas atmosphere having an oxygen partial pressure of 1×10−15.5 atm to 1×10−10 atm at a temperature of 1200° C. to 1400° C.
摘要翻译：本发明提供一种制造与BAM：Eu相当或更低的亮度和色度y的蓝色硅酸盐荧光体的方法。本发明是制造由通式aAO.bEuO（Mg1-w，Znw）O.cSiO2.dCaCl2表示的蓝色硅酸盐荧光体的方法，其中A为选自Sr，Ba和Ca中的至少一种，2.970 <= a <= 3.500,0.006 <= b <= 0.030,1.900 <= c <= 2.100,0 <= d <= 0.05，0 <= w <= 1。在该制造方法中，在1200〜1400℃的温度下，在氧分压为1×10-15.5atm〜1×10-10atm的气氛中进行热处理。

23. 发明申请

US20090072704A1 PHOSPHOR AND LIGHT-EMITTING DEVICE 审中-公开
标题翻译：磷光和发光装置
公开(公告)号：US20090072704A1
公开(公告)日：2009-03-19
申请号：US11911402
申请日：2006-04-14
申请人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi
发明人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi
IPC分类号： H01J1/63
CPC分类号： C09K11/7734 , C09K11/595 , C09K11/778 , C09K11/7787 , C09K11/7797 , H01J2211/42
摘要： The present invention provides a phosphor that has high luminance, a property of low luminance degradation during PDP driving, and chromaticity y comparable to that of BAM:Eu. The present invention is the phosphor that is represented by the general formula xAO.y1EuO.y2EuO3/2.DO.zSiO2 wherein A is at least one selected from Ca, Sr and Ba, D is at least one selected from Mg and Zn, and 2.970≦x≦3.500, 0.001≦y1+y2≦0.030, and 1.900≦z≦2.100 are satisfied, and that has 50 mol % or less of the divalent Eu ratio (ratio of the divalent Eu element to the total of the Eu elements) in the vicinity of the surface of the phosphor particle.
摘要翻译：本发明提供了具有高亮度，PDP驱动时亮度劣化低的特性和与BAM：Eu相当的色度y的荧光体。本发明是由通式xAO.y1EuO.y2EuO3 / 2.DO.zSiO2表示的荧光体，其中A是选自Ca，Sr和Ba中的至少一种，D是选自Mg和Zn中的至少一种，以及 2.970 <= x <= 3.500，0.001 <= y1 + y2 <= 0.030，并且满足1.900 <= z <= 2.100，并且具有50mol％以下的二价Eu比（二价Eu元素与荧光体颗粒表面附近的Eu元素的总和）。

24. 发明授权

US07238303B2 Phosphor and plasma display device 有权
标题翻译：荧光粉和等离子体显示装置
公开(公告)号：US07238303B2
公开(公告)日：2007-07-03
申请号：US10928516
申请日：2004-08-27
申请人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi , Kazuhiko Sugimoto , Masaki Aoki , Junichi Hibino
发明人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi , Kazuhiko Sugimoto , Masaki Aoki , Junichi Hibino
IPC分类号： C09K11/64 , C09K11/55 , H01J11/00 , H01J11/02
CPC分类号： C09K11/595 , C09K11/7734 , C09K11/778 , H01J1/63 , H01J2211/42
摘要： Phosphor and a plasma display device are provided whose deterioration in brightness of phosphors and a degree of change in chromaticity are alleviated and whose discharge characteristics are improved and that has excellent initial characteristics. Phosphor of the present invention is an alkaline-earth metal aluminate phosphor containing an element M (where M denotes at least one type of element selected from the group consisting of Nb, Ta, W and B). In this phosphor, a concentration of M in the vicinity of a surface of the phosphor particles is higher than the average concentration of M in the phosphor particles as a whole. A plasma display device according to the present invention includes a plasma display panel in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor, where the afore-mentioned phosphor is used as the blue phosphor.
摘要翻译：提供了荧光体和等离子体显示装置，其荧光体的亮度劣化和色度变化程度得到缓解，其放电特性得到改善并具有优异的初始特性。本发明的荧光体是含有元素M的碱土金属铝酸盐荧光体（其中M表示选自Nb，Ta，W和B中的至少一种元素）。在该荧光体中，荧光体粒子表面附近的M浓度高于荧光体粒子的M的平均浓度。根据本发明的等离子体显示装置包括等离子体显示面板，其中排列有一种颜色或多种颜色的多个放电单元，并且荧光体层被布置为与颜色的放电单元相对应，并且其中通过用紫外线激发荧光体层来发射光。荧光体层包括蓝色荧光体，其中上述荧光体用作蓝色荧光体。

25. 发明申请

US20050062417A1 Phosphor and plasma display device 有权
标题翻译：荧光粉和等离子体显示装置
公开(公告)号：US20050062417A1
公开(公告)日：2005-03-24
申请号：US10928516
申请日：2004-08-27
申请人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi , Kazuhiko Sugimoto , Masaki Aoki , Junichi Hibino
发明人： Kojiro Okuyama , Takehiro Zukawa , Masahiro Sakai , Seigo Shiraishi , Kazuhiko Sugimoto , Masaki Aoki , Junichi Hibino
IPC分类号： C09K11/08 , C09K11/55 , C09K11/59 , C09K11/64 , C09K11/67 , C09K11/68 , C09K11/77 , C09K11/80 , H01J1/62 , H01J1/63 , H01J11/00 , H01J11/22 , H01J11/24 , H01J11/34 , H01J11/42 , H01J63/04 , H01J17/49
CPC分类号： C09K11/595 , C09K11/7734 , C09K11/778 , H01J1/63 , H01J2211/42
摘要： Phosphor and a plasma display device are provided whose deterioration in brightness of phosphors and a degree of change in chromaticity are alleviated and whose discharge characteristics are improved and that has excellent initial characteristics. Phosphor of the present invention is an alkaline-earth metal aluminate phosphor containing an element M (where M denotes at least one type of element selected from the group consisting of Nb, Ta, W and B). In this phosphor, a concentration of M in the vicinity of a surface of the phosphor particles is higher than the average concentration of M in the phosphor particles as a whole. A plasma display device according to the present invention includes a plasma display panel in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor, where the afore-mentioned phosphor is used as the blue phosphor.
摘要翻译：提供了荧光体和等离子体显示装置，其荧光体的亮度劣化和色度变化程度得到缓解，其放电特性得到改善并具有优异的初始特性。本发明的荧光体是含有元素M的碱土金属铝酸盐荧光体（其中M表示选自Nb，Ta，W和B中的至少一种元素）。在该荧光体中，荧光体粒子表面附近的M浓度高于荧光体粒子的M的平均浓度。根据本发明的等离子体显示装置包括等离子体显示面板，其中排列有一种颜色或多种颜色的多个放电单元，并且荧光体层被布置为与颜色的放电单元相对应，并且其中通过用紫外线激发荧光体层来发射光。荧光体层包括蓝色荧光体，其中上述荧光体用作蓝色荧光体。

26. 发明授权

US07902756B2 Phosphor, light-emitting device, and plasma display panel 有权
标题翻译：荧光体，发光装置和等离子体显示面板
公开(公告)号：US07902756B2
公开(公告)日：2011-03-08
申请号：US12278345
申请日：2007-02-07
申请人： Masahiro Sakai , Seigo Shiraishi , Takehiro Zukawa , Kojiro Okuyama
发明人： Masahiro Sakai , Seigo Shiraishi , Takehiro Zukawa , Kojiro Okuyama
IPC分类号： H01J17/49 , C09K11/08
CPC分类号： H01J11/12 , C09K11/7734 , H01J1/63 , H01J11/42 , H01J61/44
摘要： The present invention is a blue phosphor that is represented by a general formula xSrO.yEuO.MgO.zSiO2, where 2.970≦x≦3.500, 0.006≦y≦0.030, and 1.900≦z≦2.100. This blue phosphor has a crystal structure that is essentially a merwinite structure, and the crystal structure has a unit cell volume of 714.8 Å3 or less. Or, in this blue phosphor, a peak appearing around 2θ=22.86 degrees in an X-ray diffraction pattern obtained by measurement of the blue phosphor using an X-ray with a wavelength of 0.773 Å has a one-fifth value width of 0.17 degrees or less. Furthermore, the present invention is a light-emitting device having a phosphor layer including the phosphor. A suitable example of the light-emitting device is a plasma display panel.
摘要翻译：本发明是由通式xSrO.yEuO.MgO.zSiO 2表示的蓝色荧光体，其中2.970＆lt; x＆lt; 3; 3.500,0.006＆amp; nlE; y＆nlE; 0.030和1.900＆lt; 1; z＆nlE; 2.100。这种蓝色荧光体具有基本上为细锰矿结构的晶体结构，晶体结构的单位电池体积为714.83以下。或者，在这种蓝色荧光体中，通过使用波长为0.773的X射线测量蓝色荧光体而得到的X射线衍射图中的2θ附近出现峰值= 22.86度，其1/5值宽度为0.17 度以下。此外，本发明是具有包含荧光体的荧光体层的发光装置。发光装置的合适示例是等离子体显示面板。

27. 发明申请

US20100052506A1 BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL 有权
标题翻译：蓝色磷光体，发光装置和等离子体显示面板
公开(公告)号：US20100052506A1
公开(公告)日：2010-03-04
申请号：US12595159
申请日：2008-03-25
申请人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
发明人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
IPC分类号： H01J1/62 , C09K11/78
CPC分类号： C09K11/7736 , H01J61/44 , H01J2211/42
摘要： The present invention provides a blue phosphor having high luminance and showing less luminance degradation during driving of a light-emitting device. The present invention is a blue phosphor that includes: an alkaline earth metal aluminate represented by a general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO3/2, where 0.70≦a≦0.95, 0≦b≦0.15, 0.95≦c≦1.15, 9.00≦d≦11.00, and a+b≦0.97 are satisfied; and 0.008 mol to 0.800 mol of MWO4 with respect to 1 mol of the aluminate, where M is at least one element selected from a group consisting of Ba, Sr, and Ca.
摘要翻译：本发明提供一种具有高亮度的蓝色荧光体，并且在发光装置的驱动期间显示出较少的亮度劣化。本发明是一种蓝色荧光体，其包括：由通式aBaO.bSrO（1-a-b）EuO·c·MgO·AlO 3/2表示的碱土金属铝酸盐，其中0.70和nlE; a＆nlE; 0.95,0和nlE; b＆ ; 0.15,0.95＆nlE; c＆nlE; 1.15,9.00＆amp; nlE; d＆nlE; 11.00和a + b＆nlE; 0.97; 和相对于1mol铝酸盐为0.008mol至0.800mol的MWO4，其中M为选自Ba，Sr和Ca中的至少一种元素。

28. 发明授权

US08129905B2 Phosphor and light emitting device using the phosphor 有权
标题翻译：使用磷光体的荧光体和发光装置
公开(公告)号：US08129905B2
公开(公告)日：2012-03-06
申请号：US12301321
申请日：2007-05-25
申请人： Kojiro Okuyama , Masahiro Sakai , Seigo Shiraishi
发明人： Kojiro Okuyama , Masahiro Sakai , Seigo Shiraishi
IPC分类号： H01J17/49 , C09K11/54 , C09K11/55 , C09K11/59 , C09K11/78 , C09K11/79
CPC分类号： H01J11/42 , C09K11/7734 , H01J11/12 , H01J61/305 , H01J61/44 , H01J65/046
摘要： The present invention provides a phosphor having high luminance, a property of low luminance degradation during driving of a light-emitting device, and chromaticity y comparable to that of BAM:Eu. The present invention is a phosphor represented by the general formula aAO.bEuO.DO.cSiO2, where A is at least one selected from Ca, Sr and Ba, D is at least one selected from Mg and Zn, and 2.970≦a≦3.500, 0.001≦b≦0.030, and 1.900≦c≦2.100 are satisfied. In this phosphor, a peak intensity at 1490 cm−1 is 0.02 to 0.8 when a peak intensity at 565 cm−1 is set to 1 in a spectrum obtained by measurement using photoacoustic spectroscopy.
摘要翻译：本发明提供一种具有高亮度，在发光装置的驱动期间的低亮度劣化的性质以及与BAM：Eu相当的色度y的荧光体。本发明是由通式aAO.bEuO.DO.cSiO 2表示的荧光体，其中A是选自Ca，Sr和Ba中的至少一种，D是选自Mg和Zn中的至少一种，以及2.970和nlE; a＆ 3.500，0.001＆nlE; b＆nlE; 0.030和1.900＆nlE; c＆nlE; 2.100。在该荧光体中，当使用光声光谱测定得到的光谱中，当在565cm -1处的峰值强度为1时，在1490cm -1处的峰强度为0.02〜0.8。

29. 发明申请

US20100164360A1 BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL 有权
标题翻译：蓝色磷光体，发光装置和等离子体显示面板
公开(公告)号：US20100164360A1
公开(公告)日：2010-07-01
申请号：US12438071
申请日：2008-03-28
申请人： Yayoi Kitamura , Seigo Shiraishi , Kojiro Okuyama , Masahiro Sakai
发明人： Yayoi Kitamura , Seigo Shiraishi , Kojiro Okuyama , Masahiro Sakai
IPC分类号： H01J17/49 , C09K11/79
CPC分类号： H01J11/42 , C09K11/7734 , H01J11/12
摘要： The present invention provides a phosphor having high luminance, a property of low luminance degradation during driving of a light-emitting device and manufacturing processes, and chromaticity y in PDP comparable to that of BAM:Eu. The present invention is the phosphor represented by the general formula xSrO.yEuO.MgO.zSiO2 where 2.970≦x≦3.500, 0.001≦y≦0.030, and 1.900≦z≦2.100 are satisfied, wherein a main peak is present in the range of diffraction angle 2θ=16.1 to 16.5 degree in the X-ray diffraction pattern obtained by measurement on the blue phosphor using an X-ray with a wavelength of 0.774 Å, and at least one condition of the following conditions (A1) and (A2) is satisfied: (A1) at least two peaks whose tops are located in the range of diffraction angle 2θ=15.3 to 16.1 degree are present; and (A2) at least two peaks whose tops are located in the range of diffraction angle 2θ=22.2 to 23.3 degree are present.
摘要翻译：本发明提供一种具有高亮度，在发光装置的驱动期间的低亮度劣化和制造工艺以及与BAM：Eu相当的PDP中的色度y的特性的荧光体。本发明是由通式xSrO.yEuO.MgO·zSiO 2表示的荧光体，其中满足2.970＆nlE; x＆nlE; 3.500,0.001和nlE; y＆nlE; 0.030和1.900＆lt; lE; z＆nlE; 2.100，其中主峰存在于在通过使用波长为0.774的X射线对蓝色荧光体进行测量而获得的X射线衍射图中的衍射角2的范围= 16.1〜16.5度，以及以下条件（A1）的至少一个条件，和（A2）：（A1）存在顶部位于衍射角2的范围内的至少两个峰值= 15.3〜16.1度; 和（A2）存在其顶部位于衍射角2的范围内的至少两个峰值; = 22.2至23.3度。

30. 发明申请

US20100141113A1 BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL 有权
标题翻译：蓝色磷光体，发光装置和等离子体显示面板
公开(公告)号：US20100141113A1
公开(公告)日：2010-06-10
申请号：US12595174
申请日：2008-03-25
申请人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
发明人： Kojiro Okuyama , Yayoi Kitamura , Seigo Shiraishi , Kazuhiko Sugimoto , Mituru Harada
IPC分类号： H01J1/62 , C09K11/80
CPC分类号： C09K11/7736 , H01J11/12 , H01J11/42 , H01J61/44
摘要： The present invention provides a blue phosphor that exhibits high luminance and shows less luminance degradation during driving of a light-emitting device. The present invention is a blue phosphor represented by the general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO3/2.eWO3, where 0.70≦a≦0.95, 0≦b≦0.15, 0.95≦c≦1.15, 9.00≦d≦11.00, 0.001≦e≦0.100, and a+b≦0.97 are satisfied. In this blue phosphor, two peaks whose tops are located in a range of diffraction angle 2θ=13.0 to 13.6 degrees are present in an X-ray diffraction pattern obtained by measurement on the blue phosphor using an X-ray with a wavelength of 0.774 Å.
摘要翻译：本发明提供了一种在发光装置的驱动期间显示出高亮度并且显示出较少亮度劣化的蓝色荧光体。本发明是由通式aBaO.bSrO（1-a-b）EuO.cMgO.dAlO3 / 2eWO3表示的蓝色荧光体，其中0.70和nlE; a＆nlE; 0.95,0和nlE; b＆nlE; 0.15,0.95＆ c＆nlE; 1.15,9.00和nlE; d＆nlE; 11.00,0.001和nlE; e＆nlE; 0.100和a + b＆nlE; 0.97。在这种蓝色荧光体中，其顶部位于衍射角2的范围内的两个峰位于13.0至13.6度的X射线衍射图中，其通过使用波长为0.774的X射线在蓝色荧光体上测量而获得一个。

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