Patents by Inventor Wenbo Ma

Wenbo Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8741178
    Abstract: Blue light emitting glass and the preparation method thereof are provided. The blue light emitting glass has the following composition: aCaO.bAl2O3.cSiO2.xCeO2, wherein a, b, c and x are, by mol part, 15-55, 15-35, 20-60 and 0.01-5 respectively. The preparation method comprises: weighing the raw materials according to the composition of the blue light emitting glass; mixing the raw materials uniformly and melting the raw materials to obtain glass melt; molding the glass melt to obtain transparent glass; thermally treating the transparent glass under reducing atmosphere, and thereafter obtaining the finished product. The blue light emitting glass obtained has intense broadband excitation spectrum in ultraviolet region and emits intense blue light under the excitation of ultraviolet light. It is suitable for using as luminescent medium material.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: June 3, 2014
    Assignee: Ocean's King Lighting & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Patent number: 8709284
    Abstract: The present invention relates to ZnO green luminescent material and its preparation. The ZnO green luminescent material is prepared by doping a trivalent rare earth ion compound and a Li compound into zinc oxide material. The method comprises the following steps: (1) weighing raw material in the stoichiometric ratio of formula ZnO: xA, yLi, (2) grinding the raw material, sintering it at 800-1200° C. for 2-8 h, cooling to the room temperature, and then obtaining the ZnO green luminescent material. The present ZnO green luminescent material doped with trivalent rare earth ion compound and Li compound has high stability and luminous intensity, and has higher low-voltage cathode ray luminescence efficiency. The method can easily be operated and can be used widely.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: April 29, 2014
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Patent number: 8703020
    Abstract: Bismuth ion sensitized rare earth germanate luminescence materials and preparation methods are disclosed. The luminescence materials are the compounds of the following general formula (Y1-x-y-zAxBiyLnz)2GeO5. The preparation methods comprise: using oxides, carbonates, oxalates, acetates, nitrates or halides of Y, A, Bi, Ln and Ge as raw materials, wherein A is one of Gd, Lu, Sc and La, and Ln is at least one of Tm, Ho, Sm, Tb, Eu and Dy, homogeneously grinding the raw materials, sintering at 1300-1500° C. for 6-24 h, and then cooling them to room temperature to obtain the bismuth ion sensitized rare earth germanate luminescence materials.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: April 22, 2014
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Patent number: 8696934
    Abstract: The present invention relates to oxide luminescent materials activated by trivalent thulium and their preparations. The luminescent materials are the compounds with the following general formula: (RE1-xTmx)2O3, wherein a range of x is 0<x?0.05 and RE is one or two selected from Y, Gd, La, Lu and Sc. These materials are prepared by Sol-Gel method or high temperature solid phase method using metal oxide of Tm3+, chloride of Tm3+, nitrate of Tm3+, carbonate of Tm3+ or oxalate of Tm3+, and one or two of oxide Y3+, Gd3+, La3+, Lu3+ or Sc3+, chloride Y3+, Gd3+, La3+, Lu3+ or Sc3+, nitrate Y3+, Gd3+, La3+, Lu3+ or Sc3+, carbonate Y3+, Gd3+, La3+, Lu3+ or Sc3+ and oxalate of Y3+, Gd3+, La3+, Lu3+ or Sc3+ as raw material. The present oxide luminescent materials activated by trivalent thulium have high stability, color purity and luminous efficiency, and the methods can easily be operated.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: April 15, 2014
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Publication number: 20140021500
    Abstract: A light emitting device and a manufacturing method thereof are provided. The light emitting device (10) comprises a light emitting substrate (13) and a metal layer (14) having irregularly arranged nano-particles structure formed on a surface of the light emitting substrate (13), wherein the material of the light emitting substrate (13) is a transparent ceramic (13) comprised of Y2O3:Eu. By disposing the metal layer having the irregularly arranged nano-particles structure on the light emitting substrate, surface Plasmon is formed on the interface between the cathode ray and the light emitting substrate, to greatly increase the light efficiency.
    Type: Application
    Filed: December 20, 2010
    Publication date: January 23, 2014
    Applicant: OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD.
    Inventors: Mingjie Zhou, Wenbo Ma, Yugang Liu
  • Patent number: 8591768
    Abstract: A kind of germanate luminescence material and its preparation. The germanate luminescence material is a compound of following formula: (Y1-xLnx)2GeO5, or Y in the said formula is partly or entirely substituted by at least one of Gd, Lu, Sc and La, and x is 0<x?0.3, and Ln is one of Ce, Tm, Ho, Sm, Tb, Eu and Dy. The preparation is grinding the raw material, and then sintering at 1300-1500° C. for 6-24 h, and cooling the sintered product to room temperature, and obtaining the germanate luminescence material.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: November 26, 2013
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Patent number: 8592333
    Abstract: A green light-emitting glass and the method of preparing the same are provided. The components with parts by mole of the green light-emitting glass are alkali oxide 25-40, Y2O3 0.01-15, SiO2 40-70, Tb2O3 0.01-15. The method of preparing the glass includes mixing alkali salt with Y2O3, SiO2 and Tb4O7, firing the mixture at 1200° C.-1500° C. for 1-5 hours, cooling the precursor to the room temperature and annealing the precursor in a reducing atmosphere at 600° C.-1200° C. for 1-20 hours. A green light-emitting glass with good transparence, high uniformity, easily being made into big bulk and high stability is provided. The process of capsulation of parts by using the glass is simple. And a method of preparing the glass with simple process and low cost is provided.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: November 26, 2013
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi, Yanbo Qiao, Qingtao Li
  • Patent number: 8568615
    Abstract: A full-color light-emitting material and preparation method thereof are provided. A light-emitting material is following general formula compound (Y1-x-y-zAxByCz)2GeO5, wherein 0<x?0.05, 0<y?0.15, 0<z?0.15, x:y:z=1:1˜10:1˜10, A is one of Tm and Ce, B is one of Tb, Ho, Er and Dy, C is one of Eu, Pr and Sm. Preparation method is: grinding the raw material uniformly, then sintering the material at 1300˜1500 ° C. for 6˜24 h, cooling down the material to room temperature then getting the product. A full-color light-emitting material which can emit red-green-blue full-color light directly and be adapted for light-emitting device excited in ultraviolet zone without other doped material is provided. And a preparation method having simple process, stable product quality for full-color light-emitting materials is provided.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: October 29, 2013
    Assignee: Oceans King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Zhaopu Shi
  • Patent number: 8562866
    Abstract: A preparation method of zinc manganese silicate is provided. The method includes the following steps: step 1, preparing silicon dioxide sol with distilled water, anhydrous ethanol and tetraethyl orthosilicate; step 2, preparing a mixture solution of a zinc salt and a manganese salt; step 3, adjusting the silicon dioxide sol to be neutral or acidic; step 4, adding the mixture solution of the zinc salt and the manganese salt into the silicon dioxide sol to form a gelatin; step 5, drying the gelatin, keeping the temperature, grinding, reducing with keeping the temperature in a reductive atmosphere to obtain zinc manganese silicate. The preparation method has simple technique and low equipment requirement. The particles of the zinc manganese silicate phosphor prepared by the method have a regular size, uniform shape and good luminescent performance.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: October 22, 2013
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Shuxin Lu, Wenbo Ma
  • Publication number: 20130240785
    Abstract: Halo-borate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: Ca2-xBO3Cl1-yFy:xEu2+, zM0, wherein M0 is selected from one of Ag, Au, Pt, Pd or Cu metal nano-particles; 0.001?x?0.1, 0?y?0.2, 0?z?0.01. The said luminescent materials have excellent chemical stability and high luminous intensity. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production.
    Type: Application
    Filed: December 14, 2010
    Publication date: September 19, 2013
    Inventors: Mingjie Zhou, Qiurong Liao, Wenbo Ma
  • Publication number: 20130234077
    Abstract: A luminescent material of gallium indium oxide and preparation method thereof are provided. The luminescent material of gallium indium oxide has a chemical formula of GaInO3:zM, wherein, M is the metal nano-particle which is selected from one or two of Ag, Au, Pt and Pd, and z meets the condition of 1×10?5?z?0.02. The method for preparing the luminescent material comprises the following steps: (1) preparing the mixed solution containing indium ion and gallium ion; (2) adding chelator and crosslinking agent into the mixed solution to obtain a chelate solution; (3) adding M nano-particles sol which is surface treated into the chelate solution, heating by water-bath and stirring, drying to obtain the precursor of the luminescent material; (4) preheating the precursor, cooling, grinding, calcining, then cooling and grinding again to obtain the luminescent material.
    Type: Application
    Filed: December 20, 2010
    Publication date: September 12, 2013
    Inventors: Mingjie Zhou, Jun Liu, Wenbo Ma
  • Patent number: 8525400
    Abstract: A luminescent element includes a luminescent glass and a metal layer with a metal microstructure formed on a surface of the luminescent glass; wherein the luminescent glass has a chemical composition: aR2O.bZnO.cSiO2.nMnO2, wherein R represents the alkali metal element, a, b, c, and n are, by mole parts, 9.5˜40, 8˜40, 35˜70, and 0.01˜1, respectively. A preparation method of a luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: September 3, 2013
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Yugang Liu, Qingtao Li
  • Publication number: 20130221275
    Abstract: Halo-silicate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: (Ba1-yAy)2-xSiO4:Eux, Dz@Mn, wherein A is selected from one or two of Sr, Ca, Mg or Zn, D is selected from one of F or Cl, M is selected from at least one of Ag, Au, Pt, Pd or Cu metal nano-particles; @ is coating; (Ba1-yAy)2-xSiO4:Eux, Dz, is shell; 0.001<x?0.15, 0?y?0.5, 0?z?0.5, 0<n?1×10?2. The said luminescent materials have excellent chemical stability and high luminous intensity. Furthermore, the luminescent materials have controlled spherical shape which is beneficial to the coating screen process and the improved displaying effect. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production.
    Type: Application
    Filed: December 14, 2010
    Publication date: August 29, 2013
    Inventors: Mingjie Zhou, Rong Wang, Wenbo Ma
  • Publication number: 20130214206
    Abstract: Tungstate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: RWO4:xM, wherein R is selected from one or two of Ca, Sr or Ba, M is selected from one or two of Ag, Au, Pt or Pd metal nano-particles; 0<x?1×10?3. The said luminescent materials have excellent chemical stability and high luminous intensity. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production.
    Type: Application
    Filed: December 14, 2010
    Publication date: August 22, 2013
    Inventors: Mingjie Zhou, Jun Liu, Wenbo Ma
  • Publication number: 20130209794
    Abstract: A light emission apparatus (10) and a manufacturing method thereof are provided. The light emission apparatus includes a light emission base body (13) and a metal layer (14) with metal microstructure. The metal layer is set on the surface of the light emission base body. The material of light emission base body is transparent ceramic Y3Al5O12:Tb. By setting a metal layer with metal microstructure on the light emission base body, the interface between the metal layer and the light emission base body could form a surface plasmon under the cathode ray (16). The spontaneous emission of the transparent ceramic and the emission efficiency of the light emission base body could be enhanced by the effect of surface plasmon.
    Type: Application
    Filed: December 20, 2010
    Publication date: August 15, 2013
    Applicant: OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD.
    Inventors: Mingjie Zhou, Wenbo Ma, Yugang Liu
  • Publication number: 20130175918
    Abstract: A field emission anode plate (1), a field emission light source and a manufacturing method for the light source are provided. The field emission anode plate comprises a transparent ceramic base (10) and an anode conductive layer (11) provided on the surface of the transparent ceramic base which can be excited to produce light by cathode rays. The field emission light source comprises the field emission anode plate, a field emission cathode plate (2) and a supporter (3). The field emission cathode plate comprises a substrate (20) and a cathode conductive layer (21) provided on the surface of the substrate. The anode conductive layer and the cathode conductive layer are arranged opposite to each other, and two ends of the supporter are hermetically connected to the field emission anode plate and the field emission cathode plate respectively, thus the field emission anode plate, the field emission cathode plate and the supporter constitute a vacuum chamber.
    Type: Application
    Filed: September 26, 2010
    Publication date: July 11, 2013
    Applicant: OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO, LTD
    Inventors: Mingjie Zhou, Wenbo Ma, Qingtao Li
  • Publication number: 20130169143
    Abstract: A field emission light source device, comprising: cathode plate comprising substrate and cathode conductive layer disposed on surface of substrate, and anode plate comprising base formed from transparent ceramic material and anode conductive layer disposed on one surface of base, and insulating support member by which cathode plate and anode plate are integrally fixed, and vacuum-tight chamber formed with anode plate, cathode plate and insulating support member; anode conductive layer and the cathode plate are disposed opposite each other. Because of advantages of good electrical conductivity, high light transmittance, stable electron-impact resistance performance and uniform luminescence, using transparent ceramic as the base of the anode plate in the field emission light source device can increase electron beam excitation efficiency effectively, increase light extraction efficiency of the field emission light source device, and finally increase its luminous efficiency.
    Type: Application
    Filed: September 20, 2010
    Publication date: July 4, 2013
    Inventors: Mingjie Zhou, Wenbo Ma, Qingtao Li
  • Publication number: 20130153823
    Abstract: A rare earth-aluminium/gallate based fluorescent material and manufacturing method thereof are provided. Said rare earth-aluminium/gallate based fluorescent material comprises a core, and a shell which coats said core, wherein said core is a metal nanoparticle, and said shell is a fluorescent powder of chemical formula (Y1-xCex)3(Al1-yGay)5O12, 0<x?0.5, 0?y?1.0. Said rare earth-aluminium/gallate based fluorescent material has a uniform particle size distribution, a stable structure, a high luminous efficiency and a high luminous strength. The manufacturing method has the following properties: a simple technique, a low demand for equipments, no pollution, easily controllable reactions, material shapes and particle sizes, and being suitable for industrial manufacture.
    Type: Application
    Filed: April 30, 2010
    Publication date: June 20, 2013
    Inventors: Mingjie Zhou, Jun Liu, Wenbo Ma
  • Publication number: 20130140492
    Abstract: Borate luminescent materials, preparation methods and uses thereof are provided. The luminescent materials are represented by the general formula: (In1-xRex)BO3:zM, wherein Re is one or two selected from Tm, Tb, Eu, Sm, Gd, Dy and Ce, M is one or two selected from metal nano particles of Au, Ag, Pt or Pd, 0<x?0.5, 0<z?1×10?2. Compared to the luminescent materials in the prior art, the said luminescent materials have higher luminous intensity and luminous efficiency, which can be used in field emission displays or light source.
    Type: Application
    Filed: August 19, 2010
    Publication date: June 6, 2013
    Inventors: Mingjie Zhou, Jun Liu, Wenbo Ma
  • Publication number: 20130126784
    Abstract: Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the general formula: Zn2-xSiO4: Mnx, My, wherein M is metal, 0.001?x?0.1, 0.00001?y?0.01. The said methods include the following steps: step 1, preparing silica aerogel containing metal particles; step 2, weighing source compound of zinc, source compound of manganese and the silica aerogel in step 1 at stoichiometric ratio and mixing them to form mixture; step 3, sintering the mixture in step 2, then cooling and grinding to form the said luminescent materials with higher luminescent intensity. The said methods have simple steps, easy operation, low sintering temperature and low cost.
    Type: Application
    Filed: June 30, 2010
    Publication date: May 23, 2013
    Inventors: Mingjie Zhou, Wenbo Ma, Chaopu Shi