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7541537 Photovoltaic cell cover  
The present invention is a photovoltaic cell having improved conversion properties. The cell includes a cover for a photovoltaic device. In one embodiment, the cover includes a fluorescent material...
7196834 Transparent flat body  
This invention relates to a transparent flat body including two transparent cover layers ( 1, 2 ) that confine between them an active layer ( 3 ) whose transparency varies in an electric field and...
7173179 Solar co-generator  
A solar co-generator for producing both heat energy and electricity is disclosed. A solar concentrator directs sunlight into a container lined with solar cells and filled with a thermal transfer...
7071405 Independent power bank system  
An independent power bank system and intended use therefor, comprising an electromagnetic field generator and a power bank comprising one or more light bulbs, the light bulbs being filled with a...
6689949 Concentrating photovoltaic cavity converters for extreme solar-to-electric conversion efficiencies  
A concentrating photovoltaic module is provided which provides a concentration in the range of about 500 to over 1,000 suns and a power range of a few kW to 50 kW. A plurality of such modules may...
6570083 Photovoltaic generators with light cascade and varying electromagnetic flux  
A photovoltaic generator including at least one photovoltaic cell, and a transparent matrix placed with at least one optically active material with an absorption wavelength λa and a reemission...
6538191 Photocell with fluorescent conversion layer  
A photocell device having enhanced conversion efficiency. The device is adapted to convert light energy to electrical energy in a semiconductor layer, to convert a first, monochromatic light, to a...
6476312 Radiation concentrator for a photovoltaic device  
Concentrator for use with photovoltaic devices includes a waveguide ( 2 ) incorporating quantum dots. The quantum dots red-shift the incident radiation to produce red-shifted radiation which is...
5868869 Thin film photovoltaic device and process of manufacture  
Provided is a thin film photovoltaic device and a method of manufacturing the device. The thin film photovoltaic device comprises a film layer having particles which are smaller than about 30...
5816238 Durable fluorescent solar collectors  
A solar collector exhibiting durable fluorescent properties comprising a polymeric matrix, dye, and hindered amine light stabilizer, wherein the polymeric matrix is comprised of polycarbonate and...
5714012 Solar battery device  
A diffuse transmission layer (15) is provided on the front side of a solar battery (13), and the light entering the front side of the solar battery is diffused. A part of the light is reflected...
5560783 Thermophotovoltaic generator  
A thermophotovoltaic generator for use in generating electricity using a or liquid fueled light emitter and an absorber with photocells, is provided. This generator includes a burner and mantle...
5500054 Superemissive light pipes and photovoltaic systems including same  
A superemissive light pipe includes a photon transmitting optically transparent host having a body and oppositely arranged end portions. In one embodiment, superemissive material is disposed within...
5431742 Luminescent solar concentrators using light amplification processes  
The invention is drawn to a planar luminescent solar concentrator including an optical fiber comprised of laser material. Solar energy collected by the concentrator is processed into laser...
5095099 Fluorescent compounds for absorption and re-emission of radiation  
This invention concerns novel fluorescent compositions having the potential for absorption of visible and UV radiation and for re-emitting the radiation at longer wavelengths. The compositions...
4884860 Linear lens and method for concentrating radiant energy and multiplying phosphor luminance output intensity  
A luminescent fiber marker and method comprised of a linear coaxial lens having an elongated thin cylindrical phosphorescent layer and a pair of colinear and coaxial optical waveguides sandwiching...
4799748 Slab-diffuser fiber incident energy concentrator  
A light piping device to concentrate solar energy and luminescence from photophosphorescence by using internal scattering within optical fiber wave guides and plate wave guide - reflective surfaces...
4668803 Benzafuran derivatives  
Novel organic compound of the basic formula ##STR1## which have substantial luminescent emission characteristics and advantages.
4661649 Solar concentrator plates  
The invention provides a solar concentrator plate doped with a dye selected from the group consisting of GF Orange-Red, Fluorol 555, oxazine-4-perchlorate, LDS 730, LDS 750, BASF 241, BASF 339, and...
4644716 Building-integrated fluorescent solar collector  
Conventional fluorescent solar collectors are utilized as external surfaces for building units. Since fluorescent solar collectors need not be aligned with the sun to obtain a high degree of...
4629821 Photovoltaic cell  
Novel photovoltaic cell systems, particularly silicon cells, for converting electromagnetic radiation into electric energy, wherein a luminescent medium or reagent which will absorb radiation at...
4618694 Perylene compounds  
The present invention relates to a method for concentrating light by means of fluorescent compounds in plastic sheets or films, wherein perylene compounds are used for this purpose.
4544496 Light-collecting system using coumarin derivatives as energy converters  
A light-collecting system, characterized in that it contains a coumarin derivative of the formula ##STR1## in which T denotes O or NR 4 , in which R 4 represents hydrogen, optionally...
4492778 Method for making fluorescent light-collectors  
A method for making a light-collector of a transparent plastic and a fluorescent dye, wherein the monomers forming transparent plastics are mass-prepolymerized in the presence of radical catalysts...
4492648 Light-collecting systems using halogenated perylene derivatives as light converters  
Light-collecting system, characterized in that it contains a dyestuff of the formula ##STR1## in which Hal designates identical or different halogen atoms from the series comprising fluorine,...
4488047 High efficiency multiple layer, all solid-state luminescent solar concentrator  
Simply stated, the luminescent solar concentrator of the present invention comprises a plurality of optically coupled flat planar luminescent layers having a major surface for receipt of incident...
4467208 Radiation sensor containing fluorescible material  
The invention contemplates a radiation sensor containing material which w fluoresce upon incidence of radiation to be detected, wherein the sensor comprises an elongate cylindrical and fluorescible...
4452720 Fluorescent composition having the ability to change wavelengths of light, shaped article of said composition as a light wavelength converting element and device for converting optical energy to electrical energy using said element  
A fluorescent composition consisting essentially of (1) a polymer having a solubility parameter of at least about 9 such as polyethylene terephthalate etc. and (2) one or more organic...
4427838 Direct and diffused solar radiation collector  
A high concentration solar energy collector is provided which collects diffused solar radiation as well as direct solar radiation. A reflector focuses direct radiation onto a first collector and...
4425907 Reflector-coupled fluorescent solar collector  
The present invention provides a system for the collection of electromagnetic radiation and the transmission of that radiation to a point of use. In its simplest sense, an apparatus for the...
4406681 Method of making manganese sensitized neodymium fluorescent glasses  
Disclosed is a process for preparing fluorescent inorganic glasses containing Nd 2 O 3 as a fluorescent species and containing MnO as a sensitizer but containing essentially no higher oxides of...
4379613 Solar energy collector  
The present invention comprises a planar fluorescent solar concentrator having a circular band portion within said concentrator toward which incident solar radiation is redirected. Optically...
4369498 Photoluminescent powered calculator  
A photoluminescent dye is suspended in a transparent medium. When exposed to light, the dye re-emits light in a narrow frequency range. Photovoltaic cells responsive to the re-emitted light are...
4367367 Collector for solar energy  
The present invention relates to a collector adapted to concentrate solar energy onto a photoelectric cell comprising in combination at least one glass plate doped with a substance resulting in...
4357486 Luminescent solar collector  
A photovoltaic device composed of a luminescent member having a plurality of large area sides connected by an edge face, and at least one photovoltaic means carried by at least one of said sides.
4330680 Integrated series-connected solar cell  
A row of strip-shaped semiconductor junctions is arranged on each of the two surfaces of a semiconductor substrate possessing a high ohmic resistance, these junctions having p + - and n + ...
4329535 Solar cells and collector structures  
Disclosed is a composite collector and concentrator structure comprising a laminate having a self-supporting layer of solid light transmitting material of extended area in one plane in optical and...
4329534 Uniform incident light high voltage solar cell array  
A fluorescent material member covering a series array of solar cells that produce a high voltage operates to convert incident light to a uniform number of photons per cell.
4324946 Solar radiation concentrator  
A luminescent solar radiation concentrator is disclosed. Incident radiation of flux φ 1 , and wavelength λ 1 , impinges enclosure wall V 1 having a double index of refraction n 1 , n 2 (where n...
4298802 Method and device for collecting light utilizing a light trap  
A method and a device for collecting light characterized by a body which acts as a light trap, contains at least two different groups of fluorescent particles with each group having an absorption...
4292959 Solar energy collection system  
A system is provided for the collection of electromagnetic radiation and the transmission of that radiation to a point of utilization in the form of light. Basically, the system employs a first...
4291191 Solar cell arrangement  
A solar cell arrangement comprises a first plate or disc of light transmissive material, one side of the first plate or disc having a structure of light transmissive elevations tapering...
4268709 Generation of electrical energy from sunlight, and apparatus  
Disclosed is concentrating sunlight optically and impinging the concentrated light on at least one luminescent solar collector coupled to a first photocell, passing residual concentrated sunlight...
4264124 Device for collecting light and method of manufacturing such device  
A light-collecting device in the form of, for example, a rectangularly-shaped body having a so-called "fluorescent plate" with at least one light-exit window is comprised of a solid polymerized...
4262206 Fluorescent radiation converter  
A fluorescent radiation converter (10) having a substantially undoped optically transparent substrate (12) and a waveshifter coating (14) deposited on at least one portion of substrate (12) for...
4257676 Device for collecting light  
A light-collecting device in the form of, for example, a rectangularly-shaped body having a so-called "fluorescent plate" with at least one light-exit window is comprised of a solid carrier...
4251288 Photovoltaic device with specially arranged luminescent collector and cell  
A photovoltaic device for collecting solar radiation and converting it to electrical energy has a luminescent collector shaped in a way that maintains collecting area efficiency while allowing the...
4251284 Tubular luminescent solar collector-photocell structure  
Disclosed is a tubular luminescent solar collector structure containing semiconductor photocells bonded to the surface thereof along the length of said tube.
4241258 Ultraviolet fire detector  
An ultraviolet fire detection device using a phosphor to translate energy from ultraviolet wavelengths down into visible and near infrared wavelengths for detection by a photosensitive solid state...
4238247 Structure for conversion of solar radiation to electricity and heat  
Disclosed is a structure which in one apparatus converts a part of incident solar energy to electrical energy by the use of photocells mounted on a luminescent solar collector of tubular design...
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