The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8124871 | Solar cell and its transparent light conversion film The present invention discloses a solar cell which can enhance the absorption of the short-wavelength range radiation λ | 02/28/2012 |
| 8110739 | Solar cell and method of fabricating the same The invention provides a solar cell and a method of fabricating the same. The solar cell, according to a preferred embodiment of the invention, includes a semiconductor structure combination and a multi-atomic-layer structure formed of at least one oxide. The semico... | 02/07/2012 |
| 8058549 | Photovoltaic devices with integrated color interferometric film stacks Color photovoltaic (PV) devices formed using interferometric stacks tuned to reflect color covering the front side or back side of a PV cell, device, panel, or array are disclosed. Interferometric stacks covering PV devices include interferometric modulators (IMODs)... | 11/15/2011 |
| 8049100 | Multijunction rare earth solar cell Examples of device structures utilizing layers of rare earth oxides to perform the tasks of strain engineering in transitioning between semiconductor layers of different composition and/or lattice orientation and size are given. A structure comprising a plurality of... | 11/01/2011 |
| 8039736 | Photovoltaic up conversion and down conversion using rare earths The use of rare-earth (REO, N, P) based materials to covert long wavelength photons to shorter wavelength photons that can be absorbed in a photovoltaic device (up-conversion) and (REO, N, P) materials which can absorb a short wavelength photon and re-emit one (down... | 10/18/2011 |
| 8039737 | Passive rare earth tandem solar cell The use of rare-earth (RE+O, N, P) based materials to transition between two semiconductor materials is disclosed. Rare earth based oxides, nitrides and phosphides provide a wide range of lattice spacings enabling, compressive, tensile or stress-free lattice matchin... | 10/18/2011 |
| 8039738 | Active rare earth tandem solar cell The use of rare-earth (RE and O, N, P) based materials to transition between two different semiconductor materials and enable up and/or down conversion of incident radiation is disclosed. Rare earth based oxides, nitrides and phosphides provide a wide range of latti... | 10/18/2011 |
| 7999177 | Optical thin film for solar cells and method of forming the same Disclosed is an optical thin film for a thin-film solar cell, which is formed directly on a top surface of the thin-film solar cell having a transparent conductive film layer to provide a high infrared emissivity and a lower solar absorptivity to the thin-film solar... | 08/16/2011 |
| 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 disposed between two electrode layers (6, 7) optiona... | 03/27/2007 |
| 7189917 | Stacked photovoltaic device To provide a stacked photovoltaic device including: at least one pair of a first photovoltaic device and a second photovoltaic device stacked in order from a light incident side; and a selective reflection layer formed between the at least one pair of the first phot... | 03/13/2007 |
| 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 fluid. The fluid is transparent with respect to certain wavelengths of ... | 02/06/2007 |
| 7166797 | Tandem filters using frequency selective surfaces for enhanced conversion efficiency in a thermophotovoltaic energy conversion system This invention relates to the field of thermophotovoltaic (TPV) direct energy conversion. In particular, TPV systems use filters to minimize parasitic absorption of below bandgap energy. This invention constitutes a novel combination of front surface filters to incr... | 01/23/2007 |
| 7161083 | High efficiency solar cells The present invention relates to improvements in solar cell and solar panel photovoltaic materials which cause the solar cells/panels to operate more efficiently. In particular, the present invention focuses primarily on matching or modifying particular incident lig... | 01/09/2007 |
| 7157851 | Self-charging organic electroluminescent display device A self-charging organic electroluminescent display is disclosed. A solar cell and an organic electroluminescent device are installed on a same substrate or different substrates. Using the photoelectric conversion property of the solar cell, the solar energy is conve... | 01/02/2007 |
| 7136138 | Liquid crystal display device A timepiece provided with a liquid crystal display panel (9) for displaying thereon at least one of time information (5) and calendar information (4), wherein a solar battery unit (12) is provided to face at least a part of a visual recog... | 11/14/2006 |
| 7045205 | Device based on coated nanoporous structure A nanostructured apparatus may include a mesoporous template having an array of regularly-spaced pores. One or more layers of material may conformally coat the walls to a substantially uniform thickness. Such an apparatus can be used in a variety of devices includin... | 05/16/2006 |
| 7045703 | Thermophotovoltaic power generating apparatus A thermophotovoltaic power generating apparatus has a combustor for burning a fuel upon supply of the fuel and air, an emitter heated by passage therein of combustion gas produced in the combustor, and a photoelectric conversion element that converts light radiated ... | 05/16/2006 |
| 7026041 | Organic photosensitive optoelectronic device with an exciton blocking layer Organic photosensitive optoelectronic devices (“OPODs”) are disclosed which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments are disclosed. Photodetector OPODs having multilayer struc... | 04/11/2006 |
| 6972068 | Method for the surface treatment of a fluorine resin, method for making a laminate, and a laminate The invention relates to a laminate, which has at least a portion where a fluorine resin and a crosslinking elastic adhesive body such as of an ethylene-vinyl acetate copolymer or the like are directly bonded together and which is used as a window material of buildi... | 12/06/2005 |
| 6913713 | Photovoltaic fibers Photovoltaic materials and methods of photovoltaic cell fabrication provide a photovoltaic cell in the form of a fiber. These fibers may be formed into a flexible fabric or textile. ... | 07/05/2005 |
| 6911593 | Transparent self-cleaning dust shield A transparent electromagnetic shield to protect solar panels and the like from dust deposition. The shield is a panel of clear non-conducting (dielectric) material with embedded parallel electrodes. The panel is coated with a semiconducting film. Desirably the elect... | 06/28/2005 |
| 6734352 | Photoelectric conversion device The present invention provides a photoelectric conversion device that improves photoelectric conversion efficiency with the interaction between a transparent substrate with a transparent conductive film, an antireflection film, and a photoelectric conversion unit. T... | 05/11/2004 |
| 6733849 | High-speed charge transport material, production method thereof, photoelectric conversion device and electroluminescence device According to the present invention, a high-speed charge transport material is provided which comprises a polymer of a liquid crystal material which is a triphenylene compound having at least one specific unsaturated group in a molecule. The high-speed charge transpo... | 05/11/2004 |
| 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 second light of different wavelength, in a fluorescent lay... | 03/25/2003 |
| 6521823 | Solar cell and method of fabricating the same In a solar cell, there is provided a method of improving external appearance quality by lowering surface reflection and by making a change of a color tone at openings and portions between electrode patterns, resulting from integrating working, inconspicuo... | 02/18/2003 |
| 6518493 | Display device for electronic apparatus comprising solar cell In a display device for an electronic apparatus, a circular polarizing plate constituted by a linear polarizing plate 42 and a 1/4λ plate 43 is provided between a solar display board 41 and a middle frame 46 for fixing a module 45 having a solar cell 44 ... | 02/11/2003 |
| 6512170 | Photoelectric conversion device The present invention provides a photoelectric conversion device that improves photoelectric conversion efficiency with the interaction between a transparent substrate with a transparent conductive film, an antireflection film, and a photoelectric convers... | 01/28/2003 |
| 6489044 | Process for fabricating polarized organic photonics devices, and resultant articles A polarized organic photonics device, including an LED or photovoltaic device, is comprised of a first conductive layer or electrode coated with a friction transferred alignment material, a photoactive material, and a second electrically conductive layer ... | 12/03/2002 |
| 6471816 | Method of solar battery output section fabrication In this method of solar battery output section fabrication, a metal foil is attached to an output terminal on a substrate surface, or a resin film is disposed over a conductive paste as the output terminal on the substrate surface. Subsequently, an openin... | 10/29/2002 |
| 6459035 | Photovoltaic cell having a colored appearance, particularly for a watch dial There is described a colored photovoltaic cell (1) with a semiconductor, preferably silicon, which has high efficiency and a pleasing colored appearance, allowing it to be used as a dial for a watch or another electronic apparatus powered by the cell. The... | 10/01/2002 |
| 6413386 | Reactive sputtering method for forming metal-silicon layer Within a method for forming a metal-silicon layer there is first provided a reactor chamber. There is then positioned within the reactor chamber a substrate spaced from a metal source target. There is also provided within the reactor chamber a minimum of ... | 07/02/2002 |
| 6395973 | Photovoltaic device A photovoltaic device comprising a transparent substrate, a transparent conductive film, a semiconductor thin film, and a metallic electrode film, the three film being formed on one side of the substrate. The distribution of thickness of the transparent c... | 05/28/2002 |
| 6355875 | Covered solar cell and manufacturing method thereof A powder glass solution is applied on top of a solar cell 12 with electrodes 17 formed thereon, and solvent is volatilized, followed by baking process, by which a glass 13 is directly formed on the top of the solar cell 12. In this way, the alignment betw... | 03/12/2002 |
| 6344608 | Photovoltaic element A photovoltaic element comprising a p-type semiconductor layer and a transparent conductive layer comprised of indium tin oxide bonded to each other at a surface is provided. The sum of tin oxide content and tin content of the transparent conductive layer... | 02/05/2002 |
| 6274804 | Thin-film solar module A thin-film solar module consists of a number of solar cells tandem mounted and series-connected on a common substrate and a number of diodes disposed antiparallel and adjacent thereto. Overlap zones are formed by a projecting edge area of an electrode la... | 08/14/2001 |
| 6252157 | Amorphous silicon-based thin film photovoltaic device An amorphous silicon-based thin film photovoltaic device having a glass substrate and a laminate structure formed on the glass substrate and consisting of a transparent electrode, a semiconductor layer containing an amorphous silicon-based semiconductor a... | 06/26/2001 |
| 6207603 | Solar cell cover glass A borosilicate glass having properties that enable it to be drawn as microsheets for use as a solar cell cover glass, and a solar cell having such microsheet as a cover glass, the glass having a composition consisting essentially of, expressed in terms of... | 03/27/2001 |
| 6191353 | Solar cell module having a specific surface side cover excelling in moisture resistance and transparency A solar cell module comprising a photovoltaic element having a light receiving face on which a collecting electrode having an electrically conductive coat and a surface side cover comprising a filler and a surface protective film sequentially laminated on... | 02/20/2001 |
| 6127624 | Photoresponsive electrode and wet solar cell A photoresponsive electrode for a wet solar cell wherein on a metal film having fixed thereon a photoresponsive molecule such as, for example, a porphyrin derivative, there is fixed by vapor deposition a light-irradiating portion such as a prism or optica... | 10/03/2000 |
| 6107564 | Solar cell cover and coating An ultraviolet and infrared reflecting coating with a wide transmission band and a solar cell cover on which the coating has been deposited. The coating contains a multilayer bandpass filter, and some of the layers of this filter are comprised of mixed ma... | 08/22/2000 |