Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7332785 | Dye-sensitized solar cell A dye-sensitized solar cell with high conversion efficiency is provided. The dye-sensitized solar cell according to the present invention has, between an electrode (2) formed on a surface of a transparent substrate (1) and a counter electrode (6... | 02/19/2008 |
| 7285441 | Field effect transistor and method of manufacturing the same Provided is a field effect transistor having an organic semiconductor layer, in which the organic semiconductor layer contains at least a tetrabenzo copper porphyrin crystal and has peaks at two or more of Bragg angles (2θ) in CuKα X-ray diffraction of 8.4°±0.2Â... | 10/23/2007 |
| 7235311 | Electroluminescent devices incorporating mixed metal organic complexes An electroluminescent device in which there is an electroluminescent which comprises a complex of general formula (Lα)nM1M2 or of general formula (Lα)n M1M2 (Lp), wh... | 06/26/2007 |
| 6703146 | Organic electroluminescent device and panel therewith A blue organic EL device with an improved EL luminescence efficiency where an energy barrier is reduced during injection of holes or electrons from an anode or cathode to facilitate charge injection; a charge transporting layer acts as a blocking layer pr... | 03/09/2004 |
| 6699599 | Deuterated semi-conducting organic compounds used for opto-electronic devices Organic semiconductors consisting of conjugated chromophores wherein one or more hydrogen atoms are deuterated are disclosed. Methods of preparing such organic semiconductors are described. The organic semiconducting compounds exhibit remarkably high lumi... | 03/02/2004 |
| 6699739 | Thin film forming device, method of forming a thin, and self-light-emitting device Measure of forming an EL layer by selectively depositing through evaporation a material for forming the EL layer at a desired location is provided. When a material for forming an EL layer is deposited, a mask (113) is provided between a sample boat (111) ... | 03/02/2004 |
| 6692820 | Organic photosensitive optoelectronic device with a charge blocking layer Organic photosensitive optoelectronic devices ("OPODs") which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments. Photodetector OPODs having multilayer structures and an exciton ... | 02/17/2004 |
| 6690028 | Organic electroluminescence element display device with organic semiconductor diodes An organic semiconductor diode includes at least one hole transport layer which is arranged on an anode side and formed of an organic compound having a hole transport capability, and at least one electron transport layer which is arranged on a cathode sid... | 02/10/2004 |
| 6677060 | Deuterated semi-conducting organic compounds used for opto-electronic devices Organic semiconductors consisting of conjugated chromophores wherein one or more hydrogen atoms are deuterated are disclosed. Methods of preparing such organic semiconductors are described. The organic semiconducting compounds exhibit remarkably high lumi... | 01/13/2004 |
| 6667215 | Method of making transistors A method for making transistors comprises depositing source electrode and drain electrode features onto a substrate through a single aperture in a stationary shadow mask, said aperture having at least two opposing edges; wherein the shapes of the features... | 12/23/2003 |
| 6661299 | Odor sensor with organic transistor circuitry Circuits include at least one-odor sensitive organic transistor having a conduction channel whose conductivity changes in response to certain odors. The organic transistors are interconnected to increase their response to selected odor signals. The organi... | 12/09/2003 |
| 6661024 | Integrated circuit including field effect transistor and method of manufacture An integrated circuit (100, 200, 300, 400) that includes a field effect transistor (102, 202, 302, 402) is fabricated by forming an organic semiconductor channel (112, 216, 308, 418) on one substrate (106, 204), forming device electrodes (114, 116, 110, 2... | 12/09/2003 |
| 6657378 | Organic photovoltaic devices The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. Further, it is directed to an optimized organic solar cell comprising m... | 12/02/2003 |
| 6656763 | Spin on polymers for organic memory devices A method of making organic memory cells made of two electrodes with a controllably conductivce media between the two electrodes is disclosed. The controllably conductive media contains an organic semiconductor layer and passive layer. The organic semicond... | 12/02/2003 |
| 6653778 | Fluorescent color conversion film, fluorescent color conversion filter using the conversion film, and organic light-emitting device equipped with the conversion filter A high boiling-point solvent, included in a fluorescent color conversion film, suppresses degradation in color conversion characteristic by compensating for a decrease in dielectric constant due to solidification of the matrix system. The fluorescent colo... | 11/25/2003 |
| 6652997 | Organic luminescence device An organic luminescence device is constituted by an anode and a cathode and at least one organic layer disposed between the anode and the cathode. The above-mentioned at least one organic layer includes a layer of a fused polynuclear compound represented ... | 11/25/2003 |
| 6646285 | Molecular electronic device using metal-metal bonded complexes The present invention provides a molecular device including a source region and a drain region, a molecular medium extending there between, and an electrically insulating layer between the source region, the drain region and the molecular medium. The mole... | 11/11/2003 |
| 6639357 | High efficiency transparent organic light emitting devices A highly transparent non-metallic cathode is disclosed that comprises a metal-doped organic electron injection layer that is in direct contact with a transparent non-metallic electron injecting cathode layer, such as indium tin oxide (ITO), wherein the me... | 10/28/2003 |
| 6636001 | Organic electronic device and nonlinear device An organic electronic device functioning as a flat EL display panel is provided by forming an organic EL element and a nonlinear device as a drive means for controlling a current supplied to the EL device on a common substrate. The nonlinear device has a ... | 10/21/2003 |
| 6626717 | Manufacturing method of organic EL element In a manufacturing step for forming an organic EL element, the organic EL element is provided so as to have an anode and a cathode with a luminescent layer having an organic luminescent material interposed therebetween. Then, an aging treatment is perform... | 09/30/2003 |
| 6614176 | Organic electroluminescent device including charge transport buffer layer An organic electroluminescent device includes a substrate, and an anode, a hole transport layer, a plurality of light emitting layers, an electron transport layer and a cathode in sequence laminated on the substrate, and a charge transport buffer layer. T... | 09/02/2003 |
| 6381169 | High density non-volatile memory device This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 1015 bits/cm3), that provide a high degree of fault toler... | 04/30/2002 |
| 6352777 | Organic photosensitive optoelectronic devices with transparent electrodes An organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency is described. The photosensitive optoelectronic device has at least two transparent electrodes and one or more organic photoco... | 03/05/2002 |
| 6339290 | Organic electroluminescent device and making method In an organic EL device comprising on a substrate (1), a hole injecting electrode (2), an organic layer (4) having a light emitting function, a buffer layer (6), and an electron injecting electrode (7), the electron injecting electrode (7) is constructed ... | 01/15/2002 |
| 6324091 | Tightly coupled porphyrin macrocycles for molecular memory storage This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 1015 bits/cm3), that provide a high degree of fault toler... | 11/27/2001 |
| 6297495 | Organic photosensitive optoelectronic devices with a top transparent electrode An organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency is described. The photosensitive optoelectronic device has transparent electrode as the top electrode. The substrate may be th... | 10/02/2001 |
| 6278055 | Stacked organic photosensitive optoelectronic devices with an electrically series configuration A stacked organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency and voltage is described. The photosensitive optoelectronic device has a plurality of photosensitive optoelectronic sub... | 08/21/2001 |
| 6248458 | Organic electroluminescent device with improved long-term stability An organic electroluminescent device with improved long-term stability, comprising either a dual layer of a layer I and a layer II or a mixture of the two layers between an EL multilayer and a second electrode, the layer II being made of at least one alka... | 06/19/2001 |
| 6208553 | High density non-volatile memory device incorporating thiol-derivatized porphyrins This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 1015 bits/cm3), that provide a high degree of fault toler... | 03/27/2001 |
| 6198091 | Stacked organic photosensitive optoelectronic devices with a mixed electrical configuration A stacked organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency, current and voltage. The photosensitive optoelectronic device has a plurality of photosensitive optoelectronic subcell... | 03/06/2001 |
| 6198092 | Stacked organic photosensitive optoelectronic devices with an electrically parallel configuration A stacked organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency and current. The photosensitive optoelectronic device has a plurality of photosensitive optoelectronic subcells electri... | 03/06/2001 |
| 6172459 | Electron-injecting layer providing a modified interface between an organic light-emitting structure and a cathode buffer layer An organic light-emitting device including a substrate; an anode disposed over the substrate; an organic light-emitting structure disposed over the anode; a cathode buffer layer disposed over the organic light-emitting structure and of a material selected... | 01/09/2001 |
| 6153824 | Photo-semiconductive electrode and photo-electic cell using the same Disclosed are a photo-semiconductive electrode that has a high light-to-electricity conversion efficiency and excellent stability and can be prepared economically and easily, and a photo-electric cell using the photo-semiconductive electrode. The photo-el... | 11/28/2000 |
| 6150191 | Method of making an organic thin film transistor and article made by the method Thin film transistors in which the active layer is an ordered film of a phthalocyanine coordination compound with a field-effect mobility greater than 10-3 cm2 /Vs and a conductivity in the range of about 10-9 S/cm to abou... | 11/21/2000 |
| 6140763 | Interfacial electron-injecting layer formed from a doped cathode for organic light-emitting structure An organic light-emitting device including a substrate, an anode disposed over the substrate, an organic light-emitting structure disposed over the anode, a cathode buffer layer disposed over the organic light-emitting structure and formed of a material s... | 10/31/2000 |
| 6137223 | Electron-injecting layer formed from a dopant layer for organic light-emitting structure An organic light-emitting device including a substrate; an anode disposed over the substrate; an organic light-emitting structure disposed over the anode; a cathode buffer layer disposed over the organic light-emitting structure and formed of a material s... | 10/24/2000 |
| 6043428 | Photoelectric material using organic photosensitising dyes and manufacturing method thereof A photoelectric material having high efficiency and superior durability is provided. The photoelectric material includes a semiconductor and a photosensitizing dye attached to the semiconductor, wherein the dye is a phthalocyanine derivative, a dioxazine ... | 03/28/2000 |
| 5969376 | Organic thin film transistor having a phthalocyanine semiconductor layer Thin film transistors in which the active layer is an ordered film of a pthalocyanine coordination compound with a field-effect mobility greater than 10-3 cm2 /Vs and a conductivity in the range of about 10-9 S/cm to about... | 10/19/1999 |
| 5854868 | Optical device and light waveguide integrated circuit A process for integrating optical devices and optical waveguides which comprises forming a refractive index distribution pattern and/or waveguide pattern on a substrate after mounting an optical device on the substrate.... | 12/29/1998 |
| 5685919 | Method and device for improved photoelectric conversion Efficiency of a photoelectric conversion device is increased by inducing a surface plasmon also on a metallic electrode located on the side of the device where light is incident. Incident He-Ne laser light is refracted by a semicylindrical lens and is inc... | 11/11/1997 |