Consumer Lighting (u.s.), LLC

Savant Technologies LLC

General Electric Company

Ge Lighting Solutions LLC

Current Lighting Solutions, LLC

Jianmin He

Dengke Cai

Zhiyong Wang

Thomas Clynne

William Erwin Cohen

Kevin Jeffrey Benner

Thomas J Boyle

Qing Yi

Jian Li

Jon Bennett Jansma

Huisheng Zhou

James Edward Murphy

Chuan Lin

Xiaojun Ren

William Robert Wright

Juliana P Reisman

Alok Mani Srivastava

Gary Robert Allen

Benjamin Lee Yoder

Mark Edward Kaminski

Benjamin James Ward

Jean-Patrick Ducroux

William Winder Beers

Glenn Howard Kuenzler

Fangming Du

David C Dudik

Joshua Ian Rintamaki

Kevin James Vick

Timothy D Russell

Zoltan Toth

James Reginelli

Clark David Nelson

James A Leonard

Matthew Alan Bugenske

Cherian Jacob

Yingchun Fu

Cynthia Susan Link

Jenna Marie Baldesare

Chenjie Xu

Szilard Nemeth

Xiaoyong Wu

Tomas Clynne

An LED assembly includes an LED light source having a first light output with a characteristic spectrum, and a yellow-green phosphor, red phosphor, and neodymium fluorine absorber combination through which the first light output passes, wherein the yellow-green phosphor, red phosphor, and neodymium fluorine absorber combination is configured to convert the first light output to a second light output having a predetermined correlated color temperature.

LED design of lower CCT utilizing PFS phosphor

Materials and optical components formed thereof that are suitable for use in lighting units to obtain or approximate white light illumination, including lighting units that utilize one or more light-emitting diodes (LEDs) as a light source.

LED lighting units, materials, and optical components for white light illumination

A composite material for light filtering, comprising: a polymeric matrix material and particles of neodymium compound doped in the polymeric matrix material. A lighting apparatus comprises the composite material, a method for determining a doping concentration of particles of neodymium compound in the composite material, and a method for determining a thickness of the composite material are also described.

Composite material for lighting filtering, lighting apparatus, and method for determining doping concentration or thickness of composite material

An apparatus including at least one light emitting diode (LED) module, configured to generate visible light; and at least one component comprising a compound comprising elements of neodymium fluoride and a dopant to lower a refractive index of the compound as compared to neodymium fluoride, the compound configured with the LED module to provide a desired light spectrum by filtering the visible light generated by the LED module.

Low refractive index neodymium fluoride doped polycarbonate

The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound. The at least one component can comprise a NdFOcompound with values of x and y determining a content ratio F/O, which may be adjusted during manufacturing of the NdFOcompound to provide desired output light parameters of the apparatus including at least a desired output light spectrum realized by filtering the generated visible light using the NdFOcompound.

LED apparatus employing neodymium based materials with variable content of fluorine and oxygen

Materials and optical components formed thereof that are suitable for use in a lighting apparatus to impart a color filtering effect to visible light. At least a portion of such an optical component is formed of a composite material comprising a polymeric matrix material and an inorganic particulate material that contributes a color filtering effect to visible light passing through the composite material, and the particulate material comprises a neodymium compound containing Ndions.

Materials and optical components for color filtering in a lighting apparatus

The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound.

LED apparatus employing neodymium-fluorine materials

A composite material () for light filtering, comprising: a polymeric matrix material and particles of neodymium compound doped in the polymeric matrix material. A lighting apparatus () comprises the composite material. A method for determining a doping concentration of particles of neodymium compound in the composite material, and a method for determining a thickness of the composite material are also described.

The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module configured to generate a visible light such as white light, and at least one component such as an optical component comprising multiple (two or more) compounds, each containing neodymium (Nd) and at least one compound including fluorine (F) for imparting a desired color filtering effect to provide a desired light spectrum, where a color of the desired light spectrum in a color space is determined by relative amounts of the two or more compounds in the at least one component.

LED apparatus employing tunable color filtering using multiple neodymium and fluorine compounds

The specification and drawings present a new apparatus such as a halogen incandescent lamp is presented herein, the apparatus comprising a light source such as a light-generating element made of tungsten, configured to generate a visible light such as white light having chromaticity coordinates of the light source in a clear center in a color space, and a component such as light-transmissive envelope, enclosing the light source and comprising a coating with a compound comprising elements of neodymium and fluorine and configured to provide a desired light spectrum by filtering the generated visible light using the compound, where the desired light spectrum having chromaticity coordinates in the color space being shifted from the clear center below the black-body locus and outside of a four-step MacAdam ellipse of the light source to meet a predefined requirement for a modified spectrum lamp.

Color-shifted lamps using neodymium-fluorine containing coating

A method includes obtaining particles of a phosphor precursor of formula A[MF]:Mn, 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.

Red-emitting phosphors and associated devices

Materials and lightguides formed thereof that are suitable for use in lighting units to impart a color filtering effect to visible light. At least a portion of such a lightguide () is formed of a composite material comprising a polymeric matrix material and an inorganic particulate material that contributes a color filtering effect to visible light passing through the composite material, and the particulate material comprises a neodymium compound containing Ndions.

Materials and lightguides for color filtering in lighting units

An apparatus includes an LED light source positioned within an envelope, a porous fluid transporting material coating the envelope, providing a path between the LED light source and the envelope, and a cooling medium conducted through the fluid transporting material toward the LED light source in a liquid phase and conducted from the LED light source to the envelope in a vapor phase for removing heat from the LED light source.

Lamp with LED chips cooled by a phase transformation loop

Growing community of inventors

East Cleveland, OH, United States of America

Jianmin He