Class / Patent application number | Description | Number of patent applications / Date published |
313502000 | With phosphor embedding material | 48 |
20080252197 | Color temperature tunable white light source - A color temperature tunable white light source comprises: first and second LED arrangements operable to emit light of first and second wavelength range respectively that are configured such that their combined light output, which comprises light generated by the source, appears white in color. One or both LED arrangements comprises a phosphor provided remote to an associated LED operable to generate excitation radiation and to irradiate the phosphor such that it emits light of a different wavelength range, wherein the light emitted by the LED arrangement comprises the combined light from the LED and phosphor. The color temperature of output white light is tunable by controlling the relative light outputs of the LED arrangements by for example controlling the relative magnitude of the drive currents of the LEDs or a duty cycle of a pulse width modulated drive current. | 10-16-2008 |
20080272687 | White light LED - A white light LED having a supporting frame; at least one light emitting chip being installed on the supporting frame; a transparent body covering upon the chip; the transparent body being mixed with florescent powders. The florescent powders causes that light emitted from the chip and then passing through the transparent body will present as white light. The chip is a blue-light light emitting chip or an ultraviolet-light light emitting chip and the florescent powders is yellow florescent powders. The supporting frame has two pins. The transparent body is made by at least one of silicide gel, glass, epoxy resin, and epoxy resin with silicide. The transparent body encloses a part of the supporting frame. | 11-06-2008 |
20080284314 | Active-Matrix Field Emission Pixel and Active-Matrix Field Emission Display - Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a phosphor occurs and a TFT for driving the emission element; a current source for applying a scan signal to each unit pixel; and a voltage source for applying a data signal to each unit pixel. Here, the on-current of the current source is high enough to take care of the load resistance and capacitance of a scan row within a given writing time, and the off-current of the current source is so low that the electron emission of each pixel can be ignored. In addition, the pulse amplitude or pulse width of the data signal applied from the voltage source is changed, and thereby the gray scale of the display is represented. | 11-20-2008 |
20080297030 | SELF ILLUMINATING ELECTRO WETTING DISPLAY - A portable electronics device ( | 12-04-2008 |
20090001869 | Led with Phosphor Layer Having Different Thickness or Different Phosphor Concentration - A light-emitting device ( | 01-01-2009 |
20090001870 | Image Display Apparatus - A protruded portion of an adjacent scan line is provided along one of longer sides of an electron emission area, for functioning as a focusing electrode. A feeding electrode is provided along the other longer side of the electron emission part. Use of this arrangement improves the ability to feed current from a scan line(s). Thus, a distribution of drive current within an element electrode is dispersed, thereby to improve the reliability of an electron emission element. Additionally, in the case of a thin-film electron source being used as this element, the improvement in current feeding ability enables a top electrode to decrease in thickness, thus increasing the electron emission efficiency. | 01-01-2009 |
20090021140 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a light emitting device. The method includes: mounting a light emitting chip on a substrate; forming a transparent resin portion and a phosphor layer by using a liquid droplet discharging apparatus, the transparent resin portion being formed in a shape of a dome and covering the light emitting chip to fill an exterior thereof on the substrate, a phosphor layer containing phosphor and being formed on an exterior of the transparent resin portion close to at least a top side thereof; and forming a reflecting layer at a position exterior of the transparent resin portion and the phosphor layer close to the substrate. | 01-22-2009 |
20090039762 | WHITE LED DEVICE COMPRISING DUAL-MOLD AND MANUFACTURING METHOD FOR THE SAME - A conventional high-luminance white light emitting diode (LED) device has the disadvantage of it being difficult to achieve high luminance and excellent and uniform quality since emitted light is weaker in the red wavelength region than at yellow wavelengths. The present invention provides a high-luminance white LED device with improved color rendering and spectrum distribution, and a method of manufacturing the same. The white LED device according to one embodiment of the present invention is characterized by dual molds. The white LED device includes: an LED chip mounting member for mounting an LED chip; at least one blue LED chip or ultraviolet LED chip mounted on the LED chip mounting member; a first mold having a transparent epoxy resin and a first phosphor and sealing the blue or ultraviolet LED chip, the first phosphor dispersed in the transparent epoxy resin to convert light emitted from the blue or ultraviolet LED chip into first light having a first wavelength; and a second mold having a transparent epoxy resin and a second phosphor and formed on the first mold, the second phosphor dispersed in the transparent epoxy resin to convert light emitted from the blue or ultraviolet LED chip into second light having a second wavelength, the second light being white light obtained by combination of the emitted light with the first light. The white LED device having the dual molds can be a lamp-type LED device, an injection-molded housing package-type LED device, or a transfer-molded chip-type LED device. | 02-12-2009 |
20090121614 | DIAMOND ELECTRON SOURCE HAVING CARBON-TERMINATED STRUCTURE AND METHOD FOR PRODUCING THE SAME - The present invention provides a diamond electron source exerting stable and excellent electron emission characteristics, which can be used for a cold cathode surface structure operable with low voltage and a method for producing the diamond electron source. Specifically, the diamond electron source having a carbon-terminated structure has a structure composed of an electrode and a diamond film and emits electrons or electron beams from the diamond film when voltage is applied to the electrode. The diamond film is made of diamond having a carbon-terminated structure. The method for producing the diamond electron source is also provided herein. | 05-14-2009 |
20090167150 | Field emission surface light source apparatus and method of fabricating the same - Provided are a field emission surface light source apparatus and a method of fabricating the field emission surface light source apparatus. The field emission surface light source apparatus includes a base substrate and a transparent substrate facing each other, a plurality of gate electrodes formed on an upper surface of the base substrate, an insulating layer formed on the upper surface of the base substrate to cover the gate electrodes, a plurality of emitters formed on an upper surface of the insulating layer, and a fluorescent layer formed on a lower surface of the transparent substrate. The fluorescent layer faces the emitters. | 07-02-2009 |
20090189513 | LED using thin film dichroic filters - An improved LED using patterned coated dichroic filters. More specifically a method for placing, during the wafer fabrication, patterned dichroic filters between the LED chip and phosphor layer to increase luminous efficiency and lower thermal load, and/or over the phosphor layer for spectral shaping and reduction of color temperature shift with viewing angle. | 07-30-2009 |
20090243466 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics and a first host material having a first absorbance bottom on a shorter wavelength side than the first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above pixel electrodes of the first to third organic EL elements, and a second light emission layer which includes a second dopant material having a second absorbance peak in absorbance spectrum characteristics and a second host material having a second absorbance bottom on a shorter wavelength side than the first absorbance peak and than the second absorbance peak, the second light emission layer extending over the first to third organic EL elements and being disposed above the first light emission layer. | 10-01-2009 |
20090267484 | ILLUMINATING DEVICE - An illuminating device comprises one or more luminescent devices ( | 10-29-2009 |
20090284130 | LIGHT EMITTING DEVICE - A light emitting device made in accordance with principles of the disclosed subject matter can provide countermeasures against static electricity and can be configured in a relatively small size. The lighting emitting device can include both a first conductor pattern and a second conductor pattern on an insulating board. In one example, a first LED chip having a high electrostatic breakdown voltage is electrically connected to the first conductor pattern and a second LED chip having a low electrostatic breakdown voltage is electrically connected to the second conductor pattern. The LED chips can be encapsulated with an encapsulating resin on the insulating board. At least part of the first conductor pattern is exposed at a farther position than a furthest portion of the second conductor pattern from a mounting surface so as to act as a lightning rod. Thus, the second LED chip having a low electrostatic breakdown voltage can be protected from static electricity by the first conductor pattern that is connected to the first LED chip. | 11-19-2009 |
20090289544 | Organic Light-Emitting Diode And Uses Thereof - The invention relates to an organic light-emitting diode (OLED) having an improved lifetime and improved transport of negative charge carriers. The organic light-emitting diode is based on an organic semiconductor material, in which the transport of negative charge carriers and stability with respect to reduction is achieved with triarylated Lewis acid units, in particular perarylated borane units. This leads to an improved lifetime of the emission layer which in turn increases the lifetime of the component and eliminates the need for correcting brightness during operation. Furthermore, the invention relates to organic light-emitting diodes in which the position of the emission zone in the emitter layer and the color of the emission can be influenced in a targeted manner through triarylated Lewis acids such as perarylated borane units. | 11-26-2009 |
20100013373 | LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE - A light-emitting device has a structure in which a light-emitting element is placed on a wiring pattern, with the wiring pattern and an upper portion of the light-emitting element being connected with each other by a bonding wire, and has a feature in that a phosphor kneaded matter, obtained from a phosphor kneaded matter packaging container, is sealed on the wiring pattern and the light-emitting element by a sealing resin. With this structure, it becomes possible to emit white light with high efficiency and consequently to obtain white light that is remarkably superior in color reproducibility (NTSC ratio). | 01-21-2010 |
20100013374 | LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME - A light emitting device | 01-21-2010 |
20100013375 | LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME - A light emitting device | 01-21-2010 |
20100084964 | Arrangement and Method for Generating Mixed Light - At least two semiconductor components emit electromagnetic radiation in different wavelength ranges. The superimposition of these electromagnetic radiations of all semiconductor components has at least one fraction in the visible wavelength range. At least one of the semiconductor components has a luminescence conversion element in the beam path. | 04-08-2010 |
20100117516 | LIGHT EMITTING DEVICE AND DISPLAY - A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram. | 05-13-2010 |
20100123385 | Electroluminescent fibers, methods for their production, and products made using them - Electroluminescent fibers comprise two spaced elongated continuous electrical conductors in a matrix of a polymer containing particles of a phosphor. When suitable electrical power is applied to the conductors, the phosphor glows along the length of the fiber. The fibers can be used to make a variety of useful and attractive products. | 05-20-2010 |
20100123386 | Phosphor-Coated Light Extraction Structures for Phosphor-Converted Light Emitting Devices - A conformal thin-film phosphor layer is disposed over a surface of a hemispherical lens, a Fresnel lens, or a microlens array, thereby forming a phosphor-coated light extraction structure. Also disclosed is a phosphor-converted photonic crystal light emitting device that incorporates a thin-film phosphor layer. A wafer-level packaging process incorporating a thin-film phosphor layer is also disclosed herein. | 05-20-2010 |
20100171414 | SEALING AGENT FOR OPTICAL SEMICONDUCTOR ELEMENT, AND OPTICAL SEMICONDUCTOR ELEMENT - The sealing agent for an optical semiconductor device, which comprises: a silicone resin having a cyclic ether-containing group in the molecular structure; a heat curing agent capable of reacting with the cyclic ether-containing group; and a fine particulate material of silicon oxide, and the sealing agent having a viscosity of 500 to 10,000 mPa·s measured by an E-type viscometer at 25° C. at 5 rpm, a thixotropic value of 1.2 to 2.5 calculated by dividing a viscosity measured by the E-type viscometer at 25° C. at 1 rpm by a viscosity measured at 10 rpm (viscosity at 1 rpm/viscosity at 10 rpm), and a minimum viscosity of 100 mPa·s or higher measured at 1 s | 07-08-2010 |
20100244663 | INORGANIC ELECTROLUMINESCENCE DEVICE, DISPLAY APPARATUS HAVING THE SAME AND METHOD THEREOF - An inorganic electroluminescence device including a first electrode and a second electrode disposed apart from each other, and a dielectric material layer disposed between the first and second electrodes. The dielectric material layer has a micro-tubular shape, and a light emitting layer is filled in the dielectric material layer. | 09-30-2010 |
20100277059 | LIGHT FIXTURE USING DOPED SEMICONDUCTOR NANOPHOSPHOR IN A GAS - A light fixture, for example a white light fixture for a general lighting application, uses a solid state source and one or more semiconductor nanophosphors dispersed in a gas contained in the fixture. Exemplary sources use one or more LEDs rated for emission of a wavelength in the range of 460 nm and below. Nanophosphors used in the specific examples are doped semiconductor nanophosphors. The gas and semiconductor nanophosphor(s) are remotely deployed, for example, at a remote location in or around a macro optical element (optic) such as a window, a reflector, a diffuser, an optical integrating cavity, etc. of the light fixture. The gas with the doped semiconductor nanophosphor(s) dispersed therein may appear at least substantially clear when the solid state source is off. | 11-04-2010 |
20110089816 | ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic EL display device includes a first light emission layer which includes a first dopant material having a first absorbance peak in absorbance spectrum characteristics and a first host material having a first absorbance bottom on a shorter wavelength side than the first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above pixel electrodes of the first to third organic EL elements, and a second light emission layer which includes a second dopant material having a second absorbance peak in absorbance spectrum characteristics and a second host material having a second absorbance bottom on a shorter wavelength side than the first absorbance peak and than the second absorbance peak, the second light emission layer extending over the first to third organic EL elements and being disposed above the first light emission layer. | 04-21-2011 |
20110101851 | LIGHT-EMITTING DEVICE - A light-emitting device is provided, which includes a package having a first portion and a second portion surrounding it, a semiconductor light-emitting element mounted on the first portion and emitting a light having an emission peak in a near-ultraviolet region, a transparent resin layer covering the semiconductor light-emitting element and contacted with the package, and a laminated body formed on the transparent resin layer with end faces of the laminated body being contacted with the second portion. The transparent resin layer has an arch-like outer profile perpendicular cross section. The laminated body has an arch-like outer profile in perpendicular cross section and comprises a red fluorescent layer, a yellow fluorescent layer, a green fluorescent layer and a blue fluorescent layer laminated in the mentioned order. The yellow fluorescent layer has a top portion which is made larger in thickness than that of the end face portions thereof. | 05-05-2011 |
20110133631 | CONVERSION LED - In various embodiments, a conversion LED is provided. The conversion LED may include a chip on which a first layer containing a fluorescent substance is deposited, a second layer containing a second fluorescent substance being deposited on said first layer, wherein the first layer is a potting material in which the first fluorescent substance is dispersed, and wherein the second layer is a solid body, said first layer being provided with a spacer. | 06-09-2011 |
20110140593 | LIGHTING DEVICE WITH SHAPED REMOTE PHOSPHOR - Solid state lighting (SSL) luminaires are disclosed having remote phosphors arranged to minimize heat degradation and to efficiently convert light. One embodiment of an SSL luminaire comprises a light emitting diode (LED) mounted in a base. An enclosure is mounted in relation to the base so that light from the LED emits into the enclosure. A remote phosphor is mounted in the enclosure with at least some light from the LED passing into the remote phosphor where at least some of the light is absorbed and re-emitted at a different wavelength and passing through the enclosure. The remote phosphor is mounted a sufficient distance from the LED so substantially no heat from the LED passes into said conversion material, and wherein the remote phosphor has an open compound shape. | 06-16-2011 |
20110156574 | IMAGE DISPLAY APPARATUS USING PHOSPHOR PARTICLES - The image display apparatus includes a light transmissive substrate, and plural pixels arranged on a further inner side than the substrate. Each pixel includes a light emission layer in which phosphor particles are dispersed in a background medium having a same refractive index as that of the phosphor particle, and an excitation source exciting the phosphor particles to cause them to emit light. Each pixel further includes a refractive index distribution structure disposed between the substrate and the light emission layer and having a periodic refractive index distribution in a direction along an inner surface of the substrate. | 06-30-2011 |
20120019125 | DISPERSION-TYPE ELECTROLUMINESCENCE DEVICE - A dispersion-type electroluminescence device is provided, the dispersion-type electroluminescence device including: a pair of electrodes including a transparent electrode and a back electrode; and at least a light emitting layer provided between the pair of electrodes, the light emitting layer containing phosphor particles, wherein the phosphor particles have D10 of more than 10 μm, D90 of less than 32 μm, and a D90/D10 value of less than 2.40, where D10 and D90 are particle diameters at 10% and 90% values in cumulative distribution of particle size distribution. | 01-26-2012 |
20120139410 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: at least one phosphorescent material; and a host material represented by the following formula (1). | 06-07-2012 |
20120153811 | Field emission planar lighting lamp - The present invention relates to a field emission planar lighting lamp, which comprises: a base substrate; cathodes disposed on the base substrate; anodes disposed on the base substrate, wherein the cathodes are disposed beside the anodes, each anode has an impacted surface corresponding to the cathodes, and the impacted surface is an inclined plane or a curved plane; a phosphor layer disposed on the impacted surface of the anode; and a front substrate corresponding to the base substrate, wherein the anodes and the cathodes are disposed between the base substrate and the front substrate. | 06-21-2012 |
20120169213 | PHOSPHORESCENT METAL COMPLEX COMPOUND, METHOD FOR THE PRODUCTION THEREOF AND RADIATION EMITTING STRUCTURAL ELEMENT - A phosphorescent metal complex may include at least one metallic central atom M; and at least one ligand coordinated by the metallic central atom, wherein one ligand is bidentate with two uncharged coordination sites and comprises at least one carbene unit coordinated directly to the metal atom. | 07-05-2012 |
20120187822 | LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR - An optical component for an LED lighting arrangement comprises a mixture of a transparent material and one or more photoluminescent (phosphor) materials. The phosphor material has the property of emitting photoluminescent light when illuminated by light of a wavelength range 300 to 500 nm. The transparent material comprises a silicone or an epoxy. The mixture of the transparent material and the phosphor material can be provided as a layer on at least a part of a surface of the component. In some embodiments the component has a concave and/or convex surface and the layer containing the phosphor material is provided on at least a part of these surfaces. | 07-26-2012 |
20120293063 | OPTOELECTRONIC DEVICE AND STACKING STRUCTURE - Provided is an optoelectronic device that includes: a light source; an emission layer disposed on the light source and including light emitting particles dispersed in a matrix polymer; and a polymer film disposed on the emission layer. The polymer film includes two layers: a first layer including a first polymer and a second layer including a second polymer. The first polymer includes a polymerized product of a first monomer including at least two thiol (—SH) groups and a siloxane-based second monomer or oligomer including at least one carbon-carbon unsaturated bond at a terminal end, and the second polymer includes a polymerized product of a third monomer including at least two thiol (—SH) groups and a fourth monomer including at least two carbon-carbon unsaturated bonds at a terminal end. | 11-22-2012 |
20120313506 | Quinoxaline Derivative, and Light-Emitting Device, Electronic Device Using the Quinoxaline Derivative - The present invention provides a novel organic compound having excellent heat resistance. By using the novel organic compound, a light-emitting device and an electronic device having excellent heat resistance can be provided. A quinoxaline derivative represented by the general formula (1) is provided. Since the quinoxaline derivative represented by the general formula (1) has excellent heat resistance, when it is used for a light-emitting element, a light-emitting device using the light-emitting element also have excellent heat resistance. Further, electronic devices having excellent heat resistance can be provided. | 12-13-2012 |
20130033169 | LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - There is provided a method for producing a light emitting device having a small light emitting area and showing high light extraction efficiency. An uncured resin | 02-07-2013 |
20130033170 | SOLID STATE LED BRIDGE RECTIFIER LIGHT ENGINE - A solid state light engine includes a bridge rectifier having a rectified output. At least one light emitting diode (LED) is connected to the bridge rectifier, the at least one LED including a die portion, a layer of phosphor free resin positioned upon the die portion, and a plurality of phosphor particles adhered to the layer of phosphor free resin. A pair of AC power input terminals are electrically connected to the input of the bridge rectifier for use in coupling the bridge rectifier to an AC power source. A pair of DC power input terminals are connected to the rectified output of the bridge rectifier for use in coupling the bridge rectifier to a circuit productive of a DC voltage at the pair of DC power terminals. The layer of phosphor free resin includes a polymeric resin. | 02-07-2013 |
20130043782 | ILLUMINATION APPARATUS AND METHODS OF FORMING THE SAME - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. The photoluminescent material includes nano-size phosphor particles and/or quantum dots. | 02-21-2013 |
20130063020 | ILLUMINATION DEVICE - An illumination device includes a light-emitting device and a diffusion member. The light-emitting device has a plurality of light-emitting elements that emit light having a peak wavelength in a wavelength region of 380 to 420 nm, a first phosphor that emits visible light having a peak wavelength in a wavelength region of 560 to 600 nm, a second phosphor that is excited by ultraviolet ray or short-wavelength visible light and emits visible light in complementary color relationship with the visible light emitted by the first phosphor, and a light-transmitting member that covers the plurality of light-emitting elements and contains the first phosphor and the second phosphor dispersed therein. The diffusion member diffuses at least a part of the light emitting from the light-emitting device. | 03-14-2013 |
20130193839 | LIGHT-EMITTING DEVICE - A light-emitting device includes a light-emitting element, a first sealing unit that covers the light-emitting element and includes a light-transmissive resin, and a second sealing unit disposed on top of the first sealing unit and includes a light-transmissive resin. The light-transmissive resin of the first and second sealing units contain phosphor of the same type but at different levels of concentration. | 08-01-2013 |
20130200777 | BLUE-LIGHT-EMITTING PHOSPHOR AND LIGHT-EMITTING DEVICE EQUIPPED WITH THE BLUE-LIGHT-EMITTING PHOSPHOR - A blue light-emitting phosphor having an elemental formula of Sr | 08-08-2013 |
20130241393 | LUMINAIRE AND MANUFACTURING METHOD OF THE SAME - According to one embodiment, a luminaire includes plural semiconductor light sources mounted on a board, sealing bodies provided on the respective semiconductor light sources, and a light color adjusting part to adjust light color emitted from the plural sealing bodies. The sealing bodies contain a phosphor excited by a primary light emitted from the semiconductor light sources. The light color adjusting part contains the phosphor and is provided between arbitrary adjacent sealing bodies, or is provided by causing a shape or a characteristic of an arbitrary sealing body among the plural sealing bodies to be different from another sealing body. | 09-19-2013 |
20140042897 | LIGHT EMITTING DEVICE - A light emitting device includes a substrate, a light emitting element, a first resin member and a second resin member. The substrate includes a base member, a plurality of wiring portions disposed on a surface of the base member, and a covering layer covering the wiring portions with an opening formed in a part of the covering layer. The light emitting element is arranged on the substrate in the opening of the covering layer and having an upper surface at a position higher than the covering layer. The first resin member is arranged at least in the opening of the covering layer and at periphery of the light emitting element. The second resin member seals the substrate and the light emitting element. The second resin member is disposed in contact with the first resin member. | 02-13-2014 |
20140306599 | SOLID-STATE LINEAR LIGHTING ARRANGEMENTS INCLUDING LIGHT EMITTING PHOSPHOR - A solid-state linear lamp comprises a co-extruded component, the co-extruded component comprising a photoluminescent portion and a support body, where the photoluminescent portion is integrally formed with the support body. The co-extruded component is formed to comprise an interior cavity for receiving insertion of a substrate having one or more light emitters. The array of solid-state light emitters is configured to emit light into the elongate interior cavity. | 10-16-2014 |
20140354140 | LUMINOUS ELEMENTS WITH AN ELECTROLUMINESCENT ARRANGEMENT AND METHOD FOR PRODUCING A LUMINOUS ELEMENT - The invention relates to a luminous element having a luminous layer which comprises electroluminescent particles and a water-dispersible or water-soluble protective colloid. | 12-04-2014 |
20150145406 | SOLID-STATE LINEAR LIGHTING ARRANGEMENTS INCLUDING LIGHT EMITTING PHOSPHOR - A method is described for manufacturing an LED lamp module, where the individual LEDs in the lamp module do not include a conventional package structure and/or integrated encapsulation on the individual LEDs. The lamp module includes a co-extruded component, the co-extruded component comprising an elongate lens and a layer of photoluminescent material. The elongate lens is for shaping light emitted from the lamp and comprises an elongate interior cavity. The layer of a photoluminescent material is located on an interior wall of the elongate interior cavity. An optical medium is provided as part of the manufacturing process for the lamp module, where the optical medium surrounds the LEDs in an array of LEDs. The optical medium can be co-extruded over the LEDs. In addition, a liquid optical medium can be applied in the assembly process to remove air interfaces between the LEDs and component. | 05-28-2015 |