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公开(公告)号：US20180265778A1
公开(公告)日：2018-09-20
申请号：US15709557
申请日：2017-09-20
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming DU , James Edward MURPHY , Srinivas Prasad SISTA , Clark David NELSON , Jenna Marie BALDESARE
Abstract: A process for preparing a Mn+4 doped phosphor of formula I includes gradually adding a first solution comprising a source of M and HF and a second solution comprising a source of Mn to a reactor, in the presence of a source of A and an anion selected from phosphate, sulfate, acetate, and combinations thereof, to form a product liquor comprising the Mn+4 doped phosphor. The process also includes gradually discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant. A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.
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2.发明申请公开(公告)号：US20160064203A1
公开(公告)日：2016-03-03
申请号：US14471413
申请日：2014-08-28
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Alok Mani SRIVASTAVA , William Winder BEERS , Fangming DU , William Erwin COHEN
CPC classification number: H01J61/44 , C03C17/23 , C03C17/3417 , C09D5/22 , C09K11/08 , C09K11/57 , C09K11/64 , C09K11/643 , H01J61/20 , H01J61/48
Abstract: Coating systems suitable for use in generating fluorescent visible light, and lamps provided with such coating systems. The coating systems includes a phosphor-containing coating that contains at least a first phosphor that is predominantly excited by ultraviolet radiation of a first wavelength to emit visible light and absorbs but is less efficiently excited by ultraviolet radiation of a second wavelength. The coating system further includes a second phosphor that absorbs the ultraviolet radiation of the second wavelength and little if any of the ultraviolet radiation of the first wavelength.
Abstract translation: 适用于产生荧光可见光的涂层系统，以及提供这种涂层系统的灯。 涂层系统包括含磷光体的涂层，其至少包含主要由第一波长的紫外线辐射激发以发射可见光并吸收但不太有效地被第二波长的紫外线辐射激发的第一荧光体。 涂覆系统还包括第二荧光体，其吸收第二波长的紫外线辐射，并且几乎不吸收第一波长的紫外线辐射。
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Patent Agency Ranking
3.发明申请公开(公告)号：US20140306598A1
公开(公告)日：2014-10-16
申请号：US14315904
申请日：2014-06-26
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming DU , Brett R. BRADLEY , William Erwin COHEN , Nathaniel Jon FARKAS , Clark David NELSON
CPC classification number: H01J61/44 , C09K11/71 , C09K11/76 , C09K11/7734 , H01J61/35
Abstract: A coating system for a fluorescent lamp, and fluorescent lamps provided therewith. The coating system includes a phosphor-containing coating containing a mixture of phosphors that contain less than 10% weight rare earth phosphors. The phosphor-containing coating emits visible light having a color rendering index of at least 87 when excited by UV radiation.
Abstract translation: 一种用于荧光灯的涂层系统，以及提供荧光灯的荧光灯。 该涂层系统包括含有含有少于10重量％稀土荧光体的磷光体混合物的含磷光体涂层。 当通过紫外线辐射激发时，含荧光体的涂层发射具有至少87的显色指数的可见光。
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公开(公告)号：US20160289553A1
公开(公告)日：2016-10-06
申请号：US15171098
申请日：2016-06-02
Applicant: GENERAL ELECTRIC COMPANY
Inventor： William Winder BEERS , Jianmin HE , Fangming DU , James Edward MURPHY , William Erwin COHEN , Clark David NELSON , Cynthia Susan LINK
Abstract: A method includes obtaining particles of a phosphor precursor of formula Ax[MFy]:Mn4+, reducing sizes of the particles of the phosphor precursor by wet milling the particles and annealing the particles that are wet milled by contacting the particles with a fluorine-containing oxidizing agent. Additionally, a manganese doped complex fluoride phosphor prepared by this method is provided. A lighting apparatus and backlight device that include manganese-doped phosphor prepared by this method also are provided.
Abstract translation: 一种方法包括获得式Ax [MFy]：Mn4 +的荧光体前体的颗粒，通过湿磨研磨颗粒来还原荧光体前体颗粒的尺寸，并通过使颗粒与含氟氧化物 代理商 另外，提供了通过该方法制备的锰掺杂复合氟化物荧光体。 还提供了包括通过该方法制备的掺锰磷光体的照明装置和背光装置。
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公开(公告)号：US20150054399A1
公开(公告)日：2015-02-26
申请号：US14138782
申请日：2013-12-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming DU , Alok Mani SRIVASTAVA , William Winder BEERS , William Erwin COHEN
CPC classification number: C09K11/025 , B32B9/04 , C09D5/32 , C09K11/08 , F21V9/30 , H01J61/44 , H01J61/46
Abstract: Coating systems suitable for use in fluorescent lamps, particularly as scattering agents within a UV-reflecting coating for the purpose of improving fluorescent lamp luminosity. Such a coating system is provided on a transparent or translucent substrate and includes a phosphor coating and a scattering agent that scatters UV rays. The scattering agent includes an inorganic powder present in a separate UV-reflecting layer adjacent the phosphor coating and/or dispersed in the phosphor coating so that the scattered UV rays are absorbed by the phosphor coating and cause the phosphor coating to emit visible light. The inorganic powder exhibits low or no absorption to UV rays having wavelengths of 185 nm and 254 nm and is not reactive with mercury.
Abstract translation: 适用于荧光灯的涂层系统，特别是作为改善荧光灯亮度的UV反射涂层内的散射剂。 这种涂布系统设置在透明或半透明的基材上，并且包括散射紫外线的荧光体涂层和散射剂。 散射剂包括存在于与荧光体涂层相邻的分散的UV反射层中和/或分散在荧光体涂层中的无机粉末，使得散射的紫外线被荧光体涂层吸收并使荧光体涂层发射可见光。 无机粉末对波长为185nm和254nm的紫外线表现出低或不吸收，并且不与汞反应。
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6.发明申请公开(公告)号：US20160079053A1
公开(公告)日：2016-03-17
申请号：US14487788
申请日：2014-09-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Jon Bennett JANSMA , William Winder BEERS , William Erwin COHEN , Fangming DU
CPC classification number: H01J61/44 , C09D5/22 , C09K11/025 , C09K11/676 , C09K11/71 , C09K11/73 , C09K11/7478 , C09K11/7734 , C09K11/778
Abstract: Phosphor-containing coating compositions and methods capable of changing the lumen maintenance characteristics of phosphor-containing coatings and fluorescent lamps that utilize such coatings. Lumen maintenance of a fluorescent lamp can be modified by forming a phosphor-containing coating to contain at least a first phosphor that depreciates during operation of the fluorescent lamp, and forming the phosphor-containing coating to further contain an additive composition in a sufficient amount and sufficiently uniformly distributed in the phosphor-containing coating to inhibit depreciation of the first phosphor during operation of the fluorescent lamp.
Abstract translation: 含荧光体的涂料组合物和能够改变含磷涂料和使用这种涂料的荧光灯的流明维持特性的方法。 可以通过形成含荧光体的涂层来修饰荧光灯的维持量，以至少包含在荧光灯操作期间贬值的第一荧光体，并且形成含磷光体的涂层以进一步含有足够量的添加剂组合物， 足够均匀地分布在含荧光体的涂层中以抑制在荧光灯操作期间第一荧光体的折射。
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7.发明申请公开(公告)号：US20130234583A1
公开(公告)日：2013-09-12
申请号：US13870088
申请日：2013-04-25
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming DU , Heidi M. ANDERSON , William Erwin COHEN , Stephen Lloyd KILLION , Adam Jason BURNS
IPC: H01J61/44
CPC classification number: H01J61/44 , C09K11/7734 , C09K11/7777 , C09K11/7787 , H01J61/48
Abstract: Described are methods and apparatus for providing fluorescent lamps having a two-layer phosphor coating that includes a base coating and a top coating that economically provides a high color rendering index (CRI) of at least 87 with improved brightness. In an embodiment, a low-pressure discharge lamp includes a light transmissive envelope having a basecoat phosphor layer disposed on an inner surface, wherein the basecoat phosphor layer includes less than ten percent weight of a rare earth phosphor. Also included is a topcoat phosphor layer on a surface of the base coat phosphor layer that includes a blend of at least red, green, green-blue and blue emitting rare earth phosphors, and a fill gas composition within the light transmissive envelope.
Abstract translation: 描述了用于提供具有双层荧光粉涂层的荧光灯的方法和装置，其包括基底涂层和顶涂层，其经济地提供至少87的具有改善的亮度的高显色指数（CRI）。 在一个实施例中，低压放电灯包括透光外壳，其具有设置在内表面上的底涂荧光体层，其中底涂荧光体层包括少于10重量％的稀土荧光体。 还包括在底涂层荧光体层的表面上的面漆荧光体层，其包括至少红色，绿色，绿色和蓝色和蓝色的稀土荧光体的共混物，以及透光外壳内的填充气体组合物。
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