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7196834 |
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 disposed between two electrode layers ( ...
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7173179 |
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 fluid. The fluid is transparent with respe...
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7071405 |
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 gas capable of being lighted when subjecte...
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6689949 |
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 be combined to form a power plant capable...
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6570083 |
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 wavelength λr, the optically active materi...
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6538191 |
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 second light of different wavelength, in...
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6476312 |
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 internally reflected within the waveguide (...
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5868869 |
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 microns in size held in an electrically insul...
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5816238 |
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 the dye is comprised of a dye selected fr...
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5714012 |
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 toward the front side, and another part is ...
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5674325 |
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 microns in size held in an electrically insul...
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5560783 |
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 light emitter, and includes a multi-layer a...
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5500054 |
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 the host and an optical cladding is dis...
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5431742 |
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 radiation emitted by the optical fiber with high...
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5095099 |
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 comprise rare earth chelates containing a ph...
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4884860 |
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 the thin cylindrical phosphorescent laye...
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4799748 |
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 to enhance the fraction of light trappe...
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4668803 |
Novel organic compound of the basic formula ##STR1## which have substantial luminescent emission characteristics and advantages.
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4661649 |
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 combinations thereof with each other or...
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4644716 |
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 efficiency, they are utilized as wall units or...
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4629821 |
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 the shorter wavelengths, e.g. the UV, and ...
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4618694 |
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.
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4544496 |
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 substituted aryl, optionally substituted cycloalky...
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4492778 |
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 and the fluorescent dye is added before,...
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4492648 |
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, chlorine and bromine, R 1 and R 2 design...
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4488047 |
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 radiation and at least one edge surfac...
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4467208 |
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 collector core with a cladding wall of ...
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4452720 |
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 fluorescent substances, at least one of said fl...
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4427838 |
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 reflects a substantial portion of the diff...
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4425907 |
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 collection and transmission of electromagnetic ...
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4406681 |
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 manganese. In the disclosed process an in...
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4379613 |
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 coupled to said circular band portion is an op...
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4369498 |
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 arranged around the sides of the collector ...
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4367367 |
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 fluorescence when said plate is irradiated ...
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4357486 |
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.
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4330680 |
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 + -conduction characteristics in alternation and ...
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4329535 |
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 physical contact with a relatively thin ...
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4329534 |
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.
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4324946 |
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 2 >n 1 ) and then is absorbed by ca...
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4298802 |
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 range and light emitting range which are ...
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4292959 |
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 solar concentrator for the collection and c...
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4291191 |
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 parabolically and cut off parallel to the surface o...
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4268709 |
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 to at least one other luminescent solar c...
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4264124 |
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 synthetic carrier material, such as a polya...
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4262206 |
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 absorption of radiation (16) and conversion...
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4260219 |
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 synthetic carrier material, such as a polya...
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4257676 |
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 material having an index of refraction greater ...
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4251288 |
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 photovoltaic cell to be entirely shadowe...
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4251284 |
Disclosed is a tubular luminescent solar collector structure containing semiconductor photocells bonded to the surface thereof along the length of said tube.
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4241258 |
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 device, sounding an alarm upon detection...
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