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Gerd O Mueller, Regina B Mueller Mach: Wavelength converted semiconductor light emitting devices. Philips Lumileds Lighting Company, Patent Law Group, July 31, 2007: US07250715 (182 worldwide citation)

In a wavelength converted semiconductor light emitting device with at least two wavelength converting materials, the wavelength converting materials in the device are arranged relative to the light emitting device and relative to each other to tailor interaction between the different wavelength conv ...


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Gerd O Mueller, Regina B Mueller Mach, Christopher H Lowery: Tri-color, white light LED lamps. Lumileds Lighting U S, Patent Law Group, February 3, 2004: US06686691 (173 worldwide citation)

The present invention relates to a tri-color lamp for generating white light. In particular, the invention relates to a phosphor mixture comprising two phosphors having host sulfide materials that can absorb radiation emitted by a light emitting diode, particularly a blue LED. This arrangement provi ...


3
Gerd O Mueller, Regina B Mueller Mach: Phosphor converted light emitting diode. LumiLeds Lighting U S, Mark E Schmidt, Skjerven Morrill, July 9, 2002: US06417019 (161 worldwide citation)

A method of fabricating a light emitting device includes providing a light emitting diode that emits primary light, and locating proximate to the light emitting diode a (Sr


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Regina B Mueller Mach, Gerd O Mueller, Tomas Jüestel, Peter Schmidt: Red-deficiency compensating phosphor light emitting device. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, January 20, 2004: US06680569 (159 worldwide citation)

A light emitting device includes a light source that emits first light in response to an electrical signal, and a fluorescent layer positioned over the light source. The fluorescent layer includes a first fluorescent material which radiates second light and a second fluorescent material which radiat ...


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Regina B Mueller Mach, Gerd O Mueller, George M Craford: Light emitting diode (LED) device that produces white light by performing phosphor conversion on all of the primary radiation emitted by the light emitting structure of the LED device. LumiLeds Lighting U S, Norman R Klivans, Skjerven Morrill, December 31, 2002: US06501102 (122 worldwide citation)

Presented is an LED device that produces white light by performing phosphor conversion on substantially all of the primary light emitted by the light emitting structure of the LED device. The LED device comprises a light emitting structure and at least one phosphor-converting element located to rece ...


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Gerd O Mueller, Regina B Mueller Mach, Michael R Krames, Peter J Schmidt, Hans Helmut Bechtel, Joerg Meyer, Jan de Graaf, Theo Arnold Kop: Luminescent ceramic for a light emitting device. Philips Lumileds Lighting Company, Patent Law Group, Rachel V Leiterman, April 22, 2008: US07361938 (114 worldwide citation)

A semiconductor light emitting device comprising a light emitting layer disposed between an n-type region and a p-type region is combined with a ceramic layer which is disposed in a path of light emitted by the light emitting layer. The ceramic layer is composed of or includes a wavelength convertin ...


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Regina B Mueller Mach, Gerd O Mueller: Thin film phosphor-converted light emitting diode device. Lumileds Lighting U S, Patent Law Group, February 24, 2004: US06696703 (95 worldwide citation)

The present invention provides a phosphor-converted LED device comprising one or more phosphor thin films that convert primary light emitted by the LED into one or more other wavelengths of light to produce light of a particular color. Each phosphor thin film comprises dopant ions that are statistic ...


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Regina B Mueller Mach, Gerd O Mueller, David A Vanderwater: Light emitting diode device comprising a luminescent substrate that performs phosphor conversion. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, October 7, 2003: US06630691 (82 worldwide citation)

The present invention provides an LED device comprising a phosphor-converting substrate that converts primary light emitted by the LED, which is blue light, into one or more other wavelengths of light, which then combine with unconverted primary light to produce white light. The substrate is a singl ...


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Troy A Trottier, Gerd O Mueller, Regina B Mueller Mach, Michael R Krames: Selective filtering of wavelength-converted semiconductor light emitting devices. Lumileds Lighting U S, Rachel V Leiterman, Patent Law Group, June 1, 2004: US06744077 (79 worldwide citation)

A light emitting device includes a semiconductor light emitting device chip having a top surface and a side surface, a wavelength-converting material overlying at least a portion of the top surface and the side surface of the chip, and a filter material overlying the wavelength-converting material. ...