General Electric Company

Xiao-Dong Sun

Navjot Singh

James Anthony Ruud

Lionel M Levinson

James Claude Carnahan

John Robert LaGraff

Robert J Wojnarowski

Anant Achyut Setlur

Thomas Francis McNulty

William Paul Minnear

Raul Eduardo Ayala

Feng Jin

An electron emitter includes a coating layer of a mixture of carbon nanotubes and alkaline-earth metal oxides on an electrically conducting structure. The preferred carbon nanotubes are those having a diameter less than about 200 nm. A substantial portion of electron emission is liberated from the carbon nanotubes, thus lessening the requirement on the alkaline-earth oxides. Such an electron emitter is advantageously used in gas discharge devices to increase the energy efficiency thereof.

Electron emitter including carbon nanotubes and its application in gas discharge devices

A solid state lamp includes a mounting area adapted to contain a light emitting diode (LED) chip and a suspension media which physically isolates the diode from the mounting area. The suspension media, while substantially optically transparent, includes suspended phosphor particles for down conversion and scattering of LED emissions. Additionally, the suspension media includes thermal conductivity additives to improve device thermal conductivity in higher power operations.

Floating chip photonic device and method of manufacture

A method comprises positively displacing a first candidate luminescence material precursor from a dispenser to a first position of an array, displacing a second candidate luminescence material precursor from a dispenser mechanism to a second position of an array and simultaneously reacting the first and second candidates to produce a library of luminescence materials. A combinatorial high throughput screening liquid dispenser assembly comprises a battery of positive displacement driven dispensers for dispensing solutions of precursor luminescence materials, an array plate with wells to receive dispensed solution from the dispenser, a robotic positioning table supporting the array plate to position wells beneath respective dispensers and a controller to control dispensing of the solutions and positioning of the plate.

Method and system for selectively distributing luminescence material precursors

A combinatorial method is provided for the preparation and screening of heterogeneous catalysts. The method comprises the steps of: (I) providing a library of elemental catalysts; (II) reacting the catalysts with a carbon source to form product directly on the catalyst; and (III) screening the products to evaluate the catalysts.

Method for preparing and screening catalysts

A catalyst system and method for making carbon fibrils is provided which comprises a catalytic amount of an inorganic catalyst comprising nickel and one of the following substances selected from the group consisting of chromium; chromium and iron; chromium and molybdenum; chromium, molybdenum, and iron; aluminum; yttrium and iron; yttrium, iron and aluminum; zinc; copper; yttrium; yttrium and chromium; and yttrium, chromium and zinc. In a further aspect of the invention, a catalyst system and method is provided for making carbon fibrils which comprises a catalytic amount of an inorganic catalyst comprising cobalt and one of the following substances selected from the group consisting of chromium; aluminum; zinc; copper; copper and zinc; copper, zinc, and chromium; copper and iron; copper, iron, and aluminum; copper and nickel; and yttrium, nickel and copper.

Catalyst system for producing carbon fibrils

A method of manufacturing an LED lamp includes dispersing color correction particles throughout a suspension media to a viscosity of substantially 2000 cP. In the case of correcting blue GaN LEDs to white light, the particles to be blended are phosphorus having a diameter of less than 20 microns. An LED die is mounted onto a stage and a nano-liter pipette is arranged such that an interface separation of approximately 1 millimeter is achieved between the tip of the pipette and the surface of the LED die. Once the relatively viscous suspension media covers the LED die, ultraviolet light is directed towards the suspension media to cure it. Heat is then applied to further cure the suspension media until solid as observed under a microscope.

Fabrication of LED lamps by controlled deposition of a suspension media

A liquid chemical stripping or cleaning solution is selected by combinatorial high throughput screening. A high throughput screening well array assembly includes (A) a metal substrate and (B) a mask that defines an array of wells on the substrate. A combinatorial high throughput screening system includes (A) a metal substrate and (B) a mask that defines an array of wells on the substrate and a reaction vessel to receive the well array assembly.

High throughput screening method, array assembly and system

There is disclosed a method and a computer system enabling high-throughput combinatorial synthesis and screening of lighting phosphors. The system links hardware instrumentation for synthesis and screening. It records, sorts, and analyzes photo-metric data gathered from the combinatorial studies, along with the characteristics of the combinatory processes. The system provides a database as the data storage and query engine, an analysis module as the processor for analytical operations, and an interface for accepting the user's input and displaying the analysis results and other information requested by the user.

Methods and computer system for combinatorial analysis of lighting phosphors

Systems and methods for high throughput fabrication and analysis of an array of coated materials. The systems include a movable substrate having a plurality of predefined regions, where a plurality of materials are provided for coating the substrate. A delivery mechanism associated with the plurality of materials delivers a continuously varying mixture of the plurality of materials onto the surface of the substrate. The methods include delivering a continuously varying mixture of a plurality of materials onto the surface of a movable substrate having a plurality of predefined regions to form a predefined coating on each of the regions.

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Schenectady, NY, United States of America

Xiao-Dong Sun