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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7939844 | Light-emitting-diode chip comprising a sequence of GAN-based epitaxial layers which emit radiation and a method for producing the same A light-emitting diode chip (1) comprises a GaN-based, radiation-emitting epitaxial layer sequence (3), an active region (19), an n-doped layer (4) and a p-doped layer (5). The p-doped layer (5) is provided, on its main surf... | 05/10/2011 |
| D634881 | Light | 03/22/2011 |
| 7862211 | Configuration of multiple LED modules A configuration of multiple LED modules comprising a plurality of LED modules that each contain a carrier that has a first main area, a second main area and at least one semiconductor layer, wherein the first main area has a planar configuration. The LED modules als... | 01/04/2011 |
| 7709852 | Wavelength-converting casting composition and light-emitting semiconductor component The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a body that emits ultraviolet, blue or green light. An inorganic luminous... | 05/04/2010 |
| 7696590 | Diode housing A housing accommodating a semiconductor chip is set out. The housing and chip may be used for sending and/or receiving radiation. Popular applications of the housing may be in light emitting diodes. The housing includes a conductor strip that is punched into two ele... | 04/13/2010 |
| 7692204 | Radiation emitting semi-conductor element A radiation-emitting semiconductor component with a semiconductor body, including a first principal surface (5), a second principal surface (9) and a semiconductor layer sequence (4) with an electromagnetic radiation generating active zone (7... | 04/06/2010 |
| 7691659 | Radiation-emitting semiconductor element and method for producing the same This invention describes a radiation-emitting semiconductor component based on GaN, whose semiconductor body is made up of a stack of different GaN semiconductor layers (1). The semiconductor body has a first principal surface (3) and a second principa... | 04/06/2010 |
| 7691656 | Method for fabricating a semiconductor component based on GaN A semiconductor component has a plurality of GaN-based layers, which are preferably used to generate radiation, produced in a fabrication process. In the process, the plurality of GaN-based layers are applied to a composite substrate that includes a substrate body a... | 04/06/2010 |
| 7688401 | Light source element with lateral, oblique light infeed A light source element is employed back-lighting of liquid crystal displays and that comprises an obliquely placed light exit face and/or light entry face. At its surfaces, the light waveguide is surrounded by reflectors into which suitable aperture regions are pote... | 03/30/2010 |
| 7688400 | Light source element with lateral, angular light injection A light source element is employed back-lighting of liquid crystal displays and that comprises an obliquely placed light exit face and/or light entry face. At its surfaces, the light waveguide is surrounded by reflectors into which suitable aperture regions are pote... | 03/30/2010 |
| 7678591 | Semicoductor chip and method for production thereof For producing semiconductor chips by thin-film technology, an active layer (2) that has been grown on a substrate, with contact layers on the back side that have a base layer (3), is reinforced by a reinforcement layer (4). Next, an auxiliary ca... | 03/16/2010 |
| 7675132 | Surface mounting optoelectronic component and method for producing same A method for producing a surface mounting optoelectronic component comprises the following steps: readying a base body with the optoelectronic transmitter and/or receiver arranged in a recess of the base body, filling the recess of the base body with a transparent, ... | 03/09/2010 |
| 7655488 | Method for fabricating a plurality of electromagnetic radiation emitting semiconductor chips Method for fabricating a semiconductor chip which emits electromagnetic radiation, wherein to improve the light yield of semiconductor chips which emit electromagnetic radiation, a textured reflection surface is integrated on the p-side of a semiconductor chip. The ... | 02/02/2010 |
| 7653111 | Optically pumped, surface-emitting semiconductor laser device and method for the manufacture thereof The invention is directed to an optically pumped surface-emitting semiconductor laser device having at least one radiation-generating quantum well structure and at least one pump radiation source for optically pumping the quantum well structure, whereby the pump rad... | 01/26/2010 |
| 7642565 | Radiation-emitting semiconductor component based on gallium nitride, and method for fabricating the semiconductor component A radiation-emitting semiconductor component has a high p-type conductivity. The semiconductor body of the component includes a substrate, preferably an SiC-based substrate, on which a plurality of GaN-based layers have been formed. The active region of these layers... | 01/05/2010 |
| 7629621 | Light-radiating semiconductor component with a luminescence conversion element The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver... | 12/08/2009 |
| 7601550 | Methods for producing a light emitting semiconductor body with a luminescence converter element The invention describes two methods of fabricating semiconductor components in which a luminescence conversion element is applied directly to the semiconductor body (1). In the first method, a suspension (4) containing a bonding agent and at least one ... | 10/13/2009 |
| 7594840 | Method of encapsulating LED light source with embedded lens component The light source has an LED, preferably produced for the surface-mounting technique, embedded in a transparent material filling. A converter substance is integrated in the filling for the at least partial wavelength conversion of the light emitted by the LED. A lens... | 09/29/2009 |
| 7567597 | Semiconductor device with a cooling element A semiconductor device comprising a semiconductor component, particularly a power laser diode bar, disposed on a cooling element, wherein the cooling element contains in its interior a cooling channel for conducting a coolant. The coolant channel comprises in at lea... | 07/28/2009 |
| 7446341 | Radiation-emitting semiconductor element A radiation-emitting semiconductor component having a semiconductor body (1), which has an active zone (2), in which, for the purpose of electrical contact connection, a patterned contact layer (3) is applied on a surface of the semiconductor bo... | 11/04/2008 |
| 7442966 | Electromagnetic radiation emitting semiconductor chip and procedure for its production A semiconductor chip which emits electromagnetic radiation is presented. The chip includes an epitaxially produced semiconductor layer stack based on nitride semiconductor material, which includes an n-conducting semiconductor layer, a p-conducting semiconductor lay... | 10/28/2008 |
| 7439549 | LED module An LED module has a carrier, which contains a semiconductor layer and has a planar main area, on which LED semiconductor bodies are applied. Use is preferably made of LED semiconductor bodies which emit light of differing central wavelengths during operation, so tha... | 10/21/2008 |
| 7435997 | Component comprising a large number of light-emitting-diode chips A device (1) with a number of light emitting diode chips (5) in a reflector (3) is formed in such a way that the direct line of sight between the light emitting diode chips (5) is interrupted by a partition (11). This improves the ... | 10/14/2008 |
| 7432533 | Encapsulation of electronic devices with shaped spacers An encapsulation for a device is disclosed. Spacer particles are randomly located in the device region to prevent a cap mounted on the substrate from contacting the active components, thereby protecting them from damage. The spacer particles comprise a base and an u... | 10/07/2008 |
| 7419842 | Encapsulation of electroluminescent devices with shaped spacers A method of encapsulating a device is disclosed. Spacer particles are randomly located in a device region to prevent a cap mounted on the substrate from contacting the active components when pressure is applied to the cap, thereby protecting the active components fr... | 09/02/2008 |
| 7390107 | LED signaling device for road traffic signals The invention describes an optical signal transmitter device, in which a specific, predetermined emission characteristic or light density distribution is achieved solely by the arrangement of two or more light elements on a base plate. This means that there is no lo... | 06/24/2008 |
| 7354783 | Method for fabricating a semiconductor component based on GaN A semiconductor component has a plurality of GaN-based layers, which are preferably used to generate radiation, produced in a fabrication process. In the process, the plurality of GaN-based layers are applied to a composite substrate that includes a substrate body a... | 04/08/2008 |
| D560016 | Reflector lamp | 01/15/2008 |
| 7319245 | Radiation emitting semiconductor component with luminescent conversion element A radiation-emitting semiconductor component, comprising a semiconductor body which emits a primary light, a luminescent conversion element which emits fluorescent light, in which the luminescent conversion element comprises a suspension of a luminous substance in a... | 01/15/2008 |
| 7319247 | Light emitting-diode chip and a method for producing same An LED chip comprising an electrically conductive and radioparent substrate, in which the epitaxial layer sequence (3) is provided on substantially the full area of its p-side (9) with a reflective, bondable p-contact layer (6). The substrate ( | 01/15/2008 |
| 7307284 | Luminescent diode A light-emitting diode based on GaAlAs has a window layer (5) of reduced thickness and is doped continuously with Si or Sn. The net concentration of the doping is less than 1 ×1018 cm−3. This provision lessens the degradation of the l... | 12/11/2007 |
| 7306960 | High radiance LED chip and a method for producing same The invention concerns a light-emitting diode chip comprising a radiation-emitting active region and a window layer. To increase the luminous efficiency, the cross-sectional area of the radiation-emitting active region is smaller than the cross-sectional area of the... | 12/11/2007 |
| 7300808 | Optically pumped, surface-emitting semiconductor laser device and method for the manufacture thereof The invention is directed to an optically pumped surface-emitting semiconductor laser device having at least one radiation-generating quantum well structure and at least one pump radiation source for optically pumping the quantum well structure, whereby the pump rad... | 11/27/2007 |
| 7288831 | Two-pole SMT miniature housing for semiconductor components and method for the manufacture thereof In a two-pole SMT miniature housing in leadframe technique for semiconductor components, a semiconductor chip is mounted on one leadframe part and is contacted to a further leadframe part. The further leadframe part is conducted out of the housing in which the chip ... | 10/30/2007 |
| 7288606 | Transparent liquid resin material for SMT-enabled LED-applications at higher temperatures and higher luminosities A casting resin compound as an assembly and encapsulation material for electronic and optoelectronic component parts, modules and components, for example for casting out optoelectronic components on the basis of acid anhydride-curable epoxy compounds, particularly b... | 10/30/2007 |
| 7224710 | Optically pumped semiconductor laser apparatus An optically pumped semiconductor laser apparatus having a vertical emitter (2) and having one pump laser (5) for optically pumping the vertical emitter (2), with the vertical emitter (2) and the pump laser (5) being monolithically... | 05/29/2007 |
| 7214570 | Encapsulating a device An encapsulation for an electrical device is disclosed. A cap support is provided in the non-active regions of the device to prevent the package from contacting the active components of the device due to mechanical stress induced in the package. ... | 05/08/2007 |
| 7169632 | Radiation-emitting semiconductor component and method for producing the semiconductor component A radiation-emitting semiconductor component has an improved radiation efficiency. The semiconductor component has a multilayer structure with an active layer for generating radiation within the multilayer structure and also a window having a first and a second main... | 01/30/2007 |
| 7129528 | Electromagnetic radiation emitting semiconductor chip and procedure for its production Semiconductor chip which emits electromagnetic radiation, and method for fabricating it. To improve the light yield of semiconductor chips which emit electromagnetic radiation, a textured reflection surface (131) is integrated on the p-side of a semiconductor... | 10/31/2006 |
| 7109527 | Semiconductor chip for optoelectronics and method for production thereof A semiconductor chip, particularly a radiation-emitting semiconductor chip, comprises an active thin-film layer in which a photon-emitting zone is formed, and a carrier substrate for the thin-film layer is arranged at a side of the thin-film layer faces away from th... | 09/19/2006 |
