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Shankar M V
Gopi Chandran Ramachandran, Mukunda Srinivas Adyam, Shankar Madras Venugopal, Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Venkatesan Manivannan, William Winder Beers: Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same. General Electric Company, Fletcher Yoder, July 18, 2006: US07077980 (8 worldwide citation)

A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of Sr4-a-zAaEuzD12O22 and Sr4-a-zAaEuzD14O25; wherein A is at least an alkaline-earth metal other than strontium; D is an ...


2
Shankar M V
Dan Hancu, Mukunda Adyam, Emil Radkov, Prasanth Kumar, Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Gopi Chandran, Madras Venugopal Shankar: Phosphor and blends thereof for use in LEDs. Lumination, Fay Sharpe, March 10, 2009: US07501753 (4 worldwide citation)

Phosphor compositions having the formula EueMmAaGgQqNnXx, where M is at least one of Be, Mg, Ca, Sr, Ba, Cd, Sn, Pb or Zn; A is at least one of B, Al, Ga, In, Bi, Sc, Y, La or a rare earth element other than Eu; G is at least one of Si or Ge; Q is at least one of O, S, and Se; X is at least one of F ...


3
Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo: Phosphor blends and backlight sources for liquid crystal displays. General Electric Company, Toan P Vo, Patrick K Patnode, October 26, 2004: US06809781 (185 worldwide citation)

A phosphor composition that comprises at least one phosphor emitting in each of the blue, green, and red regions of the visible spectrum is disposed adjacent to a backlight source of a color liquid crystal display. The phosphor composition emits strongly in the wavelength ranges of color filters use ...


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Daniel Darcy Doxsee, Anant Achyut Setlur, Zena R Brown, Alok Srivastava, Holly Comanzo: White light LED device. GELcore, General Electric Company, Fay Sharpe Fagan Minnich & McKee, August 30, 2005: US06936857 (171 worldwide citation)

A light source including a specific LED and phosphor combination capable of emitting white light for direct illumination. In one embodiment, the light source includes an LED chip emitting in the 460-470 nm range radiationally coupled to a phosphor comprising Ca8Mg(SiO4)4Cl2:Eu2+,Mn2+. In a second em ...


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Emil Vergilov Radkov, Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Ljudmil Slavchev Grigorov, Thomas Francis McNulty, Daniel Darcy Doxsee, William Winder Beers: Red emitting phosphor materials for use in LED and LCD applications. Lumination, Fay Sharpe, April 15, 2008: US07358542 (162 worldwide citation)

Phosphor compositions including those having the formulas A2-xEuxW1-yMoyO6, where A is selected from Y, Gd, Lu, La, and combinations thereof; and where 0.5≦x≦1.0, 0.01≦y≦1.0; MmOnX, wherein M is selected from the group of Sc, Y, a lanthanide, an alkali earth metal and mixtures thereof; X is a haloge ...


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Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Venkatesan Manivannan: Phosphors containing boron and metals of Group IIIA and IIIB. General Electric Company, Fletcher Yoder, October 31, 2006: US07128849 (126 worldwide citation)

A phosphor comprises: (a) at least a first metal selected from the group consisting of yttrium and elements of lanthanide series other than europium; (b) at least a second metal selected from the group consisting of aluminum, gallium, indium, and scandium; (c) boron; and (d) europium. The phosphor i ...


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Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Daniel Darcy Doxsee: Phosphor blends for generating white light from near-UV/blue light-emitting devices. General Electric Company, Toan P Vo, Patrick K Patnode, February 3, 2004: US06685852 (123 worldwide citation)

Phosphor blends are disclosed that are capable of absorbing electromagnetic radiation having wavelengths in the range from about 315 nm to about 480 nm. These blends are mixtures of phosphors selected from the group consisting of Sr


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Anant Achyut Setlur, Emil Vergilov Radkov: Charge compensated nitride phosphors for use in lighting applications. Lumination, Fay Sharpe, August 28, 2007: US07262439 (74 worldwide citation)

Disclosed are phosphor compositions having the formulas Ca1−a−bCeaEubAl1+aSi1−aN3, where 00; and Ca1−g−h−iCeg(Li,Na)hEuiAl1+g−hSi1−g+hN3 where 0≦g≦0.2, 00. When combined with radiation from a blue or UV light source, these phosphors can provide light sources with good color quality having high CRI o ...


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Anant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo: Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same. General Electric Company, Fletcher Yoder, July 18, 2006: US07077978 (72 worldwide citation)

A phosphor comprises a material having a formula of AMgD10O17:Eu2+,Mn2+, wherein A is at least an alkaline-earth metal selected from the group consisting of Ba, Sr, Ca, and combinations thereof; and D is at least a metal selected from the group consisting of Al, Ga, In, and combinations thereof; whe ...