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Shankar M V
Ramachandran Gopi Chandran, Madras Venugopal Shankar, Venkatraman Sivaramakrishan, Hari Nadathur Seshadri: Borate phosphor materials for use in lighting applications. Lumination, Fay Sharpe, September 25, 2007: US07274045 (58 worldwide citation)

Boron containing phosphor compositions having the formulas (1) M3Ln2(BO3)4 doped with at least one activator selected from the group of Eu2+, Mn2+, Pb2+, Ce3+, Eu3+, Tb3+, and Bi3+ where M is at least one of Mg, Ca, Sr, Ba, or Zn, and Ln is at least one of Sc, Y, La, Gd, or Lu; (2) M2−xM′x(Al, Ga)2− ...


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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
Srinath K Aanegola, James T Petroski, Emil Radkov, Stanton E Weaver Jr: Light emitting diode component. Lumination, Fay Sharpe, May 29, 2007: US07224000 (169 worldwide citation)

A light emitting package (8, 8′, 8″, 208, 408) includes a printed circuit board (10, 10′, 10″, 210, 410) supporting at least one light emitting die (12, 12″, 14, 16, 212, 412). A light transmissive cover (60, 60′, 60″, 260, 460) is disposed over the at least one light emitting die. The cover has an ...


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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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Thomas F Soules, Stanton Weaver Jr, Chen Lun Hsing Chen, Mathew Sommers, Boris Kolodin, Anan Achyut Setlur, Thomas Elliot Stecher: Coated LED with improved efficiency. Lumination, Fay Sharpe, January 20, 2009: US07479662 (155 worldwide citation)

An LED device including an LED chip and a lens positioned apart from the chip and coated with a uniform thickness layer of fluorescent phosphor for converting at least some of the radiation emitted by the chip into visible light. Positioning the phosphor layer away from the LED improves the efficien ...


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Ivan Eliashevich, Chris Bohler, Bryan S Shelton, Hari S Venugopalan, Xiang Gao: LED with series-connected monolithically integrated mesas. Lumination, Fay Sharpe, October 23, 2007: US07285801 (154 worldwide citation)

A light emitting semiconductor device die (10, 110, 210, 310) includes an electrically insulating substrate (12, 112). First and second spatially separated electrodes (60, 62, 260, 262, 360, 362) are disposed on the electrically insulating substrate. The first and second electrodes define an electri ...


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Mehmet Arik, Todd Garrett Wetzel, Seyed Gholamali Saddoughi, Matthew Patrick Boespflug, James T Petroski: LED light with active cooling. Lumination, Fay Sharpe, April 17, 2007: US07204615 (105 worldwide citation)

An LED light assembly includes a housing, an LED disposed in the housing, a heat dissipating structure and a fluid current generator. The LED is in thermal communication with the heat dissipating structure and includes a flow path surface. The fluid current generator is disposed in the housing to cr ...


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James T Petroski, Mehmet Arik: Led light with active cooling. Lumination, Fay Sharpe, July 7, 2009: US07556406 (102 worldwide citation)

An LED lamp that includes a piezoelectric fan or synthetic jet to cool component of the lamp is disclosed.


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Matthew Mrakovich, Jeffrey Nall: Flexible high-power LED lighting system. Lumination, Fay Sharpe, May 1, 2007: US07210957 (97 worldwide citation)

A string light engine includes a flexible power cord, a heat sink, an IDC terminal, a PCB, and an LED. The flexible power cord includes an electrical wire and an insulating material for the wire. The heat sink attaches to the power cord. The IDC terminal is inserted through the insulating material a ...


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Emil Vergilov Radkov: White lamps with enhanced color contrast. Lumination, Fay Sharpe, November 18, 2008: US07453195 (88 worldwide citation)

A lighting apparatus for emitting white light including a semiconductor light source emitting radiation with a peak at from about 250 nm to about 500 nm; a first phosphor having a peak emission between about 450 and 550 nm; and a second phosphor having a peak emission between about 615 and 670 nm; w ...