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15981results about How to "Improve conversion efficiency" patented technology

Organometallic complex, organic EL element and organic EL display

An organic EL element includes an organometallic complex including a rhenium atom; one ligand which has a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium atom, and has at least one π conjugation part; and the other ligand coordinated with the rhenium atom in such a way that the ligand saturates the coordination number of the rhenium atom and the charge of the whole organometallic complex is neutral.
Owner:FUJIFILM HLDG CORP +1

Soft-switched full-bridge converters

A family of soft-switched, full-bridge pulse-width-modulated (FB PWM) converters provides zero-voltage-switching (ZVS) conditions for the turn-on of the bridge switches over a wide range of input voltage and output load. The FB PWM converters of this family achieve ZVS with the minimum duty cycle loss and circulating current, which optimizes the conversion efficiency. The ZVS of the primary switches is achieved by employing two magnetic components whose volt-second products change in the opposite directions with a change in phase shift between the two bridge legs. One magnetic component always operates as a transformer, where the other magnetic component can either be a coupled inductor, or uncoupled (single-winding) inductor. The transformer is used to provide isolated output(s), whereas the inductor is used to store the energy for ZVS.
Owner:DELTA ELECTRONICS INC

Radiant Energy Conversion System

A radiant energy concentrating or collimating system comprising an enclosure that shields its contents from environmental effects while allowing radiant energy to transmit through its top window; a plurality of energy concentrating or collimating assemblies, each on its own pivot mechanism and each comprising a plurality of optics, a support structure and an energy conversion device that is mounted on a heat dissipating structure; a drive mechanism controlled by a microprocessor to rotate the said energy concentrating or collimating assemblies on two orthogonal axes in unison so the assemblies are oriented towards desired direction at any given time.
Owner:INLAND MARINE IND +1

Thin film deposition via a spatially-coordinated and time-synchronized process

A deposition system and process for the formation of thin film materials. In one embodiment, the process includes forming an initial plasma from a first material stream and allowing the plasma to evolve in space and/or time to extinguish species that are detrimental to the quality of the thin film material. After the initial plasma evolves to an optimum state, a second material stream is injected into the deposition chamber to form a composite plasma that contains a distribution of species more conducive to formation of a high quality thin film material. The deposition system includes a deposition chamber having a plurality of delivery points for injecting two or more streams (source materials or carrier gases) into a plasma region. The delivery points are staggered in space to permit an upstream plasma formed from a first material stream deposition source material to evolve before combining a downstream material stream with the plasma. Injection of different material streams is also synchronized in time. The net effect of spatial coordination and time synchronization of material streams is a plasma whose distribution of species is optimized for the deposition of a thin film photovoltaic material at high deposition rates. Delivery devices include nozzles and remote plasma sources.
Owner:OVSHINSKY TECH

System and Method for Color Mixing Lens Array

InactiveUS20120068615A1Heating is therefore reduced and preventedImprove conversion efficiencyPlanar light sourcesLight source combinationsColor mixingLight beam
Embodiments described herein provide optical systems that can mix colors to produce illumination patterns having a large area with uniform color. One embodiment of an optical system can include a set of optical units that each produces an illumination pattern with uniform color and intensity. The optical units are spaced so that the individual illumination patterns overlap to create an overall illumination pattern with an overlap area. In the overlap area, the colors emitted by the individual optical units mix to create a desired color. Embodiments of optical systems can provide beam control so that the optical units emit a high percentage of light in beam.
Owner:ILLUMITEX INC
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