| World Properties, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110254649 | INTEGRAL PLANAR TRANSFORMER AND BUSBAR - The primary and/or secondary coils of a relatively high power planar transformer are integrated together with a laminated busbar, thereby incorporating together the planar transformer and the busbar as a single component. A coil is cut out or otherwise formed in at least one busbar conductor, and when electrically connected, the busbar coils act as part of the primary and/or secondary circuit of the transformer. One or more coil lead frames are embedded in the laminated stack, and when electrically connected, form the primary and/or secondary circuit, respectively, of the transformer. Insulating material coils are also embedded within the laminated stack. The center leg of an E-shaped ferrite core passes through the center opening of each of the busbar coils, the coil lead frames, and the insulating material coils. The E-shaped core is located next to (i.e., with an opening) or closed with, an I-shaped or E-shaped core. | 10-20-2011 |
| 20110155946 | Conductive Polymer Foams, Method of Manufacture, and Articles Thereof - A method of manufacturing a polymer foam composite is described, the method comprising forming an article having a first surface and an opposite second surface from a precursor composition, the precursor composition comprising a polymer foam precursor composition, and a filler composition comprising a plurality of magnetic, electrically conductive particles; foaming the precursor composition to form a plurality of cells in precursor composition; applying a magnetic field to the foamed precursor composition, wherein the magnetic field is of a strength and applied for a time effective to align the electrically conductive, magnetic particles into mutually isolated chains between the first surface and the opposite second surface of the article; and solidifying the polymer foam precursor composition to provide a polymer foam composite having a density of about 1 to about 125 pounds per cubic foot and a volume resistivity of about 10 | 06-30-2011 |
| 20110121765 | Driver for piezoelectric actuator - A driver for a piezoelectric actuator includes a pulse width modulator and an output amplifier packaged as a single semiconductor device, preferably on a single semiconductor die. The driver includes a first boost converter that supplies power to the output amplifier, which preferably has programmable gain. A second amplifier, for driving the gate of a switching transistor in the first boost converter, is powered by a second boost converter. The piezoelectric actuator provides tactile feedback for the keyboard or the display in a battery operated electronic device. | 05-26-2011 |
| 20110080148 | Soft starting driver for piezoelectric device - A driver includes a boost converter, a pulse width modulator controlling the boost converter, and a timer controlling the pulse width modulator. The timer, such as a digital counter, causes the pulse width modulator to produce narrow pulses unless or until the end of a period is reached, at which point the pulse width modulator is not controlled by the timer. | 04-07-2011 |
| 20110043726 | Display with split electrode between two substrates - A light shutter and an EL panel are sandwiched between two substrates, one of which includes a common front electrode. The common front electrode is electrically floating. Patterned rear electrodes, on either side of the EL panel, are capacitively coupled to each other by the common front electrode. The rear electrodes can be segmented and the segments addressed individually. Each substrate is coated with a layer of PDLC and the substrates are laminated by joining the layers of PDLC. | 02-24-2011 |
| 20110043370 | Animated logo for a portable computer - A portable computer comprises a housing and an EL panel within the housing, positioned to emit light outwardly from the housing. The EL panel includes a plurality of EL lamps that, together, form a logo. The EL lamps can be addressed separately, enabling one to produce the appearance of motion for decorative effect or to indicate a condition of the portable computer or both. | 02-24-2011 |
| 20110006267 | CONDUCTIVE POLYMER FOAMS, METHOD OF MANUFACTURE, AND USES THEREOF - Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of electrically conductive particles aligned into a plurality of columns that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like. | 01-13-2011 |
| 20100142222 | Light guide with refractive layer - A layer having a refractive index less than that of a light guide can be used as a refractive layer, rather than a reflective layer, for increasing light output. The effect is improved if the refractive layer is patterned to correspond to light extracting features on the surface of the light guide. The refractive layer and the light extracting features are on opposed surfaces of the light guide. The refracting layer can be deposited from ink at relatively low cost. | 06-10-2010 |
| 20100088884 | Antenna with thermally transferred element - An antenna includes an element that is made by thermally bonding a patterned conductive layer to a dielectric sheet. The antenna can be redesigned easily for prototype or low volume production yet the invention is suitable for volume production as well. The antenna, or an element thereof, can be made from a xerographic print using toner as an adhesive. | 04-15-2010 |
| 20100045180 | Liquid crystal display with split electrode - A light shutter includes a first electrode, a second electrode, and a third electrode, wherein the first and second electrodes are capacitively coupled to each other by the third electrode. The first electrode and the second electrode can be segmented and the segments separately addressed. In a display having a light shutter and an EL panel stacked on the same side of a substrate, there is a common front electrode and separate rear electrodes for operating the light shutter and the EL panel. The common electrode is electrically floating and the rear electrodes are capacitively coupled to each other by the common front electrode. The rear electrodes can be segmented and the segments separately addressed. | 02-25-2010 |
| 20100045155 | EL Panel with Thermally Rear Electrode - An EL panel includes a conductive layer that is thermally bonded to portions of the panel. A patterned rear electrode can be reconfigured easily for prototype or low volume production yet the method and apparatus are suitable for volume production as well. The rear electrode is patterned by raster scanning a localized heating element or by using toner powder as the adhesive, wherein the toner powder is patterned by xerographic printing. | 02-25-2010 |
| 20100026933 | SECONDARY DISPLAY USING PDLC - A secondary display is provided on, in, or under the case of an electronic device at a location convenient for viewing. The secondary display includes PDLC and a backlight. The backlight is preferably either an electroluminescent panel or an array of light emitting die. In the latter case, a transflector is located between the light source and the PDLC. | 02-04-2010 |
| 20100015404 | CIRCUIT MATERIALS, CIRCUITS LAMINATES, AND METHOD OF MANUFACTURE THEREOF - A circuit substrate laminate, comprising a conductive metal layer; and a dielectric composite material having a dielectric constant of less than about 3.5 and a dissipation factor of less than about 0.006, wherein the dielectric composite material comprises: a polymer resin; and about 10 to about 70 volume percent of cenospheres having a ferric oxide content of less than or equal to 3 weight percent. | 01-21-2010 |
| 20090309521 | Driver for MEMS device - A driver for electrically causing a MEMS device to change shape or position includes an amplifier having a first feedback loop and a second feedback loop. The first feedback loop stabilizes output voltage and the second feedback loop reduces current changes through the MEMS device to zero. | 12-17-2009 |
| 20090162651 | SILICONE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - An article comprises a flexible support layer having an exterior surface and an interior surface; and a silicone grip disposed on, conformable, and in contact with the exterior surface of the flexible support layer, wherein the silicone grip comprises: a cured silicone layer with a Shore A Durometer of less than or equal to about 60 and having an exterior surface and an opposite, interior surface, wherein the silicone layer is formed from a curable silicone composition comprising a catalyst that promotes cure of the silicone composition, a higher molecular weight organopolysiloxane having at least two alkenyl groups per molecule, a lower molecular weight organopolysiloxane having at least two alkenyl groups per molecule, and an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule. | 06-25-2009 |
| 20090162596 | SILICONE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A mat comprises a backing layer having a top surface and a bottom surface; a silicone grip disposed on, conformable, and in contact with the top surface of the backing layer to form a topside of the mat, wherein the silicone grip comprises: a cured silicone layer with a Shore A Durometer of less than or equal to about 60 and having an exterior surface and an opposite, interior surface; and wherein the silicone layer is formed from a curable silicone composition comprising a catalyst that promotes cure of the silicone composition, a higher molecular weight organopolysiloxane having at least two alkenyl groups per molecule, a lower molecular weight organopolysiloxane having at least two alkenyl groups per molecule, and an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule. | 06-25-2009 |
| 20090140649 | Isolation mask for fine line display - An electroluminescent panel having a front electrode overlying a translucent sheet, a phosphor layer overlying the front electrode, a dielectric layer overlying the phosphor layer, and a rear electrode overlying the dielectric layer, the electroluminescent panel further includes a mask layer between the front electrode and the phosphor layer, wherein the mask layer is patterned to define graphics optically and electrically. A layer other than the mask layer can also be patterned. | 06-04-2009 |
| 20090135366 | PDLC with thermally transferred electrode - A PDLC light shutter includes a conductive layer that is thermally bonded to the shutter as an electrode. The layer can be patterned to provide light transmission even if the conductive layer is relatively opaque. A patterned electrode can be reconfigured easily for prototype or low volume production yet the method and apparatus are suitable for volume production as well. Toner powder can be used as an adhesive and the conductive layer is patterned directly from a xerographic print. | 05-28-2009 |
| 20090135146 | Touch screen with resistive electrode - A touch screen includes a resistive layer made from conductive ink and overlying at least a portion of a substrate. The resistive layer has a sheet resistance of 1,000-5,000 Ω/ | 05-28-2009 |
| 20090067194 | Light guide with imprinted phosphor - A light guide includes a transparent sheet exhibiting total internal reflection in at least one direction and phosphor printed on the transparent sheet. The phosphor extracts light from the transparent sheet when the sheet is edge-lit and converts the light from one wavelength to another wavelength. The phosphor is pressed into the surface of the sheet after heating the surface to its softening temperature. | 03-12-2009 |
| 20090051853 | Light switch having plural shutters - A display includes a light switch overlying a backlight and having at least two light shutters which do not, by themselves, convey information by the shape thereof. The lit area of the backlight is equal to or greater than the sum of the areas of the shutters within the area. The display can also include a graphics layer overlying the light switch. The information content of the display is changed by changing the graphics layer. | 02-26-2009 |
| 20090050355 | Thermoplastic Films For Insulated Metal Substrates And Methods Of Manufacture Thereof - An insulated metal substrate laminate includes a metal substrate, a dielectric layer disposed upon the metal substrate, wherein the dielectric layer comprises a thermoplastic film having a thickness of less than or equal to 10 micrometers, a thermal resistance of less than or equal to 0.050 Kelvin-square inches per watt, and a breakdown voltage greater than or equal to 1000 volts (alternating current), and an electrically conductive layer disposed upon the dielectric layer. | 02-26-2009 |
| 20080309560 | Antenna with thermally transferred element - An antenna includes an element that is made by thermally bonding a patterned conductive layer to a dielectric sheet. The antenna can be redesigned easily for prototype or low volume production yet the invention is suitable for volume production as well. The antenna, or an element thereof, can be made from a xerographic print using toner as an adhesive. | 12-18-2008 |
| 20080266272 | Luminous touch sensor - A luminous touch sensor includes a major surface on the touch sensor, a thin plastic sheet overlying at least a portion of the major surface, and at least one light emitting diode optically coupled to the plastic sheet. The light emitting diode emits light from an edge into an edge of the plastic sheet, which acts as a light guide and redirects the light away from the major surface. The touch sensor can be opaque or transparent, with the plastic sheet positioned accordingly. | 10-30-2008 |
| 20080246408 | EL lamp driver with plural outputs - A driver for electroluminescent (EL) lamps is an integrated circuit that includes a first transistor, a second transistor, and an inductor connected in series between the first transistor and the second transistor. The driver also includes at least four output circuits coupled to said inductor for separately driving at least four electroluminescent lamps. The driver further includes memory for storing data representing dimming levels and device addresses. Data is communicated to the driver through a serial interface that recognizes at least one standard protocol. | 10-09-2008 |
| 20080246390 | Eliminating silver migration in EL lamps - A net negative charge is used to eliminate silver migration in an EL lamp. An electrode containing silver, either the entire electrode, a bus bar on the electrode, or a contact area on the electrode, receives a net negative charge while the EL lamp is being driven with alternating current. The net negative charge can be provided by the driver itself or by a current source, such as a battery or a charged capacitor; or by asymmetric current means in the current path of the EL lamp, including the lamp itself. | 10-09-2008 |
| 20080213565 | Conductive Polymer Foams, Method of Manufacture, and Uses Thereof - Articles are disclosed, comprising a polymer foam layer having a first surface and an opposite second surface; a plurality of cells between the first surface and the opposite second surface of the polymer foam layer, wherein the thickness of the polymer foam layer between the first surface and the opposite second surface is 1.0 to 1.5 times the average height of the plurality of cells; and a plurality of magnetic, electrically conductive particles aligned into a plurality of mutually isolated chains that essentially continuously span the foam between the first surface and the opposite second surface of the polymer foam layer. The foams are useful as gaskets for electromagnetic shielding, grounding pads, battery contact conductive spring elements, and the like. | 09-04-2008 |
| 20080197787 | Sinusoidal discharge for EL lamp - A driver for powering an EL lamp includes a boost circuit for converting low voltage DC to high voltage DC and an inverter for converting direct current to alternating current. The driver also includes at least one transistor for discharging,the EL lamp and a generator for producing a ramp voltage that is coupled to the base of the transistor. The ramp voltage causes the discharge current through the EL lamp to be sinusoidal, without harmonics. The discharge current does not cause the EL lamp to produce sound. | 08-21-2008 |
| 20080196924 | LAMINATED BUS BARS AND METHODS OF MANUFACTURE THEREOF - A method of assembling a multilayer bus bar assembly includes coating a dielectric layer with a molten reactive hot-melt adhesive, placing the dielectric layer between first and second subassemblies, wherein the first and second subassemblies comprise a conductive element, adhering the molten reactive hot-melt adhesive to the subassemblies by applying a pressure of at least about one bar to the multilayer bus bar assembly for at least about one minute prior to the adhesive cooling to room temperature to provide a bonding strength between the dielectric material and a selected one of the first and second subassemblies of at least 1500 Newtons on a 25 millimeter by 25 millimeter sample when tested in accordance with ASTM D-1062. | 08-21-2008 |
