07th week of 2014 patent applcation highlights part 28 |
Patent application number | Title | Published |
20140043796 | INCAPACITATING HIGH INTENSITY INCOHERENT LIGHT BEAM - An optical device for incapacitating individuals exposed to generated light. It has a housing with a head portion and window opening, a reflector with a focus facing the window opening, a power source, an electric lamp mounted at the reflector's focus. It emits a high intensity incoherent light beam of between 380-780 nm. It has a switching and isolation circuit connected to a pulse mode power conversion and a first control circuit to the electric lamp, and connected in parallel to a steady state mode power conversion and a second control circuit to the electric lamp. Both the pulse mode power conversion and control circuits are connected in common to the power source. The circuits apply pulses of power to the electric lamp temporarily increasing the total luminous flux to incapacitate one of more targeted individuals within a duration of less than 2 seconds. | 2014-02-13 |
20140043797 | LOW VOLTAGE PLUG AND PLAY DISPLAY SYSTEM - Disclosed are display systems comprised of at least one wall panel and at least one shelf comprising a light fixture, the wall panel having two rows of parallel slots, one set of parallel slots (either on the wall panel or uprights adjacent to the wall panel), providing cooperative access by support brackets disposed on the shelf for supporting the shelf, the support brackets not carrying any of the electrical circuitry for the light fixture, one other set of parallel slots providing cooperative access for electrical contact elements disposed on the shelf to an electric source element disposed on the wall panel and providing electricity to the light fixture. Also disclosed are wall panels, shelves and lighting devices that may be used, alone or in combination, for new installations or in retrofitting existing display systems. | 2014-02-13 |
20140043798 | DUAL ZONE LIGHTING APPARATUS - A lighting apparatus comprising a first lighting assembly comprising at as one lower light source configured to cast light over at least a near field and a second lighting assembly comprising at least one upper light source configured to cast light over at least a far field, the second lighting assembly mounted above the lighting assembly. | 2014-02-13 |
20140043799 | FLOATING ILLUMINATION DEVICE - A floating device that is capable of illumination. In one embodiment, the invention can be a floating illumination device comprising: a housing having a sealed interior cavity and a substantially vertical axis; a power source located within the sealed interior cavity, the power source comprising a first battery and a second battery separated by a gap; and a light source located within the sealed interior cavity and operably coupled to the power source, the light source located within the gap between the first battery and the second battery. | 2014-02-13 |
20140043800 | AREA LIGHT - A work light includes a housing including a first end portion, a second end portion opposite the first end portion, and a center portion extending between the first end portion and the second end portion. A battery receptacle is located on the housing and is configured to receive a power tool battery pack having a voltage of at least 18 volts. An LED light source is supported by the housing and is powered by the power tool battery pack and a reflector is positioned adjacent the LED light source and arranged to cooperate with the LED light source to produce light having an intensity at a distance of one meter that is at least 1200 Lux. | 2014-02-13 |
20140043801 | LED LAMP - An LED lamp A1 includes a plurality of LED modules | 2014-02-13 |
20140043802 | LINEAR LED SYSTEM - A linear LED system including a plurality of line light modules, each line light module comprising an extruded light module housing profile that extends along an axis and that has a profile wall defining an inner profile contour and an outer profile contour and of which a cross sectional view along a plane that is perpendicular to the axis is closed, wherein the profile wall in the cross sectional view defines a LED chamber. At least one LED-strip including a plurality of LEDs is accommodated in an associated LED chamber. The system further includes a plurality of interface modules, each interface module that connect the housing profiles and that an inner space in which at least one power supply module is accommodated so that the power supply module and any other electronic controller equipment is not, or at least to a lesser extend exposed to heat dissipated by the LEDs. | 2014-02-13 |
20140043803 | LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - A light-emitting module according to an embodiment includes a substrate. The light-emitting module according to the embodiment includes a light-emitting elements (for example, red LEDs and blue LEDs) of different types provided on the substrate, the light emitting elements of each such type configured to emit light having a different wavelength. The light-emitting module according to the embodiment includes a first transparent member provided on the substrate and configured to partition the light-emitting elements on the substrate according to their type and allow light emitted from the light-emitting elements to be transmitted at a predetermined transmissivity. | 2014-02-13 |
20140043804 | LINEAR LED LAMP - A linear LED lamp is disclosed. Embodiments of the invention can provide an LED-based replacement lamp for a linear or “tube-type” bulb or a bulb with a linear filament or element. By filling the void within the lamp with an optically transmissive fluid to cool the LEDs without the use of a traditional heat sink, the light blocking effects of such a heat sink can be avoided. Thus, the LED replacement lamp can emit light in a substantially omnidirectional pattern. In some embodiments, the optically transmissive fluid medium is a liquid. In some embodiments, the optically transmissive fluid medium is a gel. An index matching medium can be used as the optically transmissive fluid medium. A color mixing treatment can optionally be included to eliminate color tints in cases where multiple LEDs of different colors are used to produce white light. | 2014-02-13 |
20140043805 | OPTICAL UNIT - An optical unit includes: a light source having both a first light emitting element for emitting light having a first color and a second light emitting element for emitting light having a second color that is different from the first color; and a rotating reflector configured to be rotated in one direction around a rotational shaft, while reflecting the light having the first color and the light having the second color, which have been emitted from the light source. In the rotating reflector, a reflecting surface is provided such that a predetermined light distribution pattern is formed with the light having the first color and the light having the second color, which have been reflected by the rotation of the rotating reflector, being superimposed one on another. | 2014-02-13 |
20140043806 | Vehicle Reflector Assembly With Circuit Board Retention Plate - A lamp reflector assembly ( | 2014-02-13 |
20140043807 | DEVICE, LIGHTING APPARATUS AND METHOD OF ASSEMBLING A LIGHT SOURCE FOR A LIGHTING APPARATUS - A device of an embodiment includes a plurality of substrates connected end to end along a predetermined direction. Then, the device of the embodiment includes a plurality of light-emitting elements mounted on each of the substrates and aligned in the predetermined direction, a mounting interval of the light-emitting elements on one of the substrates is different from a mounting interval of the light-emitting elements on another of the substrates. | 2014-02-13 |
20140043808 | LIGHT ASSEMBLY WITH A HEAT DISSIPATION LAYER - A light assembly includes a light source circuit board, a plurality of light sources disposed on the light source circuit board, a housing thermally coupled to the light source circuit board and a lens cap assembly comprising a lens cap and a heat dissipation layer. The heat dissipated layer distributes heat from the light source circuit board through the lens cap and external to the light assembly. | 2014-02-13 |
20140043809 | Light Module for an Exterior Light - A light module for an exterior light, comprises a circuit board holder, at least one circuit board disposed in the circuit board holder comprising a plurality of LEDs and a cover which covers the circuit board holder and the circuit board disposed therein. Embodiments of the cover comprise a transparent cover which is permeable to light in order to transmit light produced by the LEDs. An optical system for influencing the beam path through the transparent cover may be disposed on the inner side of the transparent cover for each LED. Each optical system can comprise a central optical element, which is disposed directly above the LED, two outer optical regions on the opposite sides of the central optical element, a second optical element which laterally encloses the central optical element and the two outer optical regions and has at least one longitudinal side and a third optical element which extends linearly outside the second optical element parallel to a longitudinal side. | 2014-02-13 |
20140043810 | LIGHTING APPARATUS - A lighting apparatus including a base with a coupling rim and a supporting plate and a housing coupled to the coupling rim such that the supporting plate is covered. The housing includes a channel part to guide air in and an air introduction hole to introduce the guided air into an inner space of the housing. A cooling fan is included and is disposed on an upper surface of the supporting plate covered by the housing, wherein the cooling fan draws air introduced through the air introduction hole into the inner space of the housing, and discharges the in-drawn air outside through an air discharging hole in the base. A light source module is included and mounted on a lower surface of the supporting plate, wherein the channel part provides a region depressed in a stepped manner along an outer surface of the housing. | 2014-02-13 |
20140043811 | LED LIGHTING UNIT - An LED lighting unit having a circuit board on which a plurality of LED elements are mounted and a light transmitting housing in which the circuit board is accommodated. The LED lighting unit includes a light screen cover formed so as to cover an outer surface of the light transmitting housing and having light output opening parts formed on walls of the light screen cover respectively opposed to the plurality of LED elements and a light screen member which screens in an inner part of walls of the transmitting housing lights guided in the walls of the transmitting housing so that the lights emitted respectively from the plurality of LED elements are guided in the walls of the transmitting housing and do not interfere with each other. | 2014-02-13 |
20140043812 | Lighting Assembly and Methods of Assembling Same - A lighting assembly is disclosed. The lighting assembly has an extrusion having a back plate and a plurality of fins. Each fin has a plurality of openings. The lighting assembly has at least one circuit board with a plurality of LEDs. The lighting assembly also has at least one lens holder. Each lens holder has a plurality of openings and a plurality of pockets. The plurality of openings of the lens holder are disposed to accommodate the plurality of LEDs when the lens holder is placed on top of the circuit board. Each of the plurality of pockets is used to accommodate placement of a corresponding lens. The plurality of LEDs are disposed, and the corresponding lenses are sized and disposed, to maximize light density over a given area. | 2014-02-13 |
20140043813 | LIGHT DISPERSION DEVICE - A light dispersion device for providing a predictable lighting pattern comprising a Light Emitting Diode (LED) source and a lens. The lens comprising a first optical element for collecting light emitted by the LED source and refracting light into an intermediate lighting pattern, and a second optical element for collecting at least light refracted in the intermediate lighting pattern and refracting light into the predictable lighting pattern. | 2014-02-13 |
20140043814 | LIGHT EMITTING MODULE AND LIGHTING SYSTEM - A light emitting module according to embodiments includes a substrate. In addition, the light emitting module according to the embodiments includes a light emitting element which is provided on the substrate. In addition, the light emitting module according to the embodiments includes a reflecting member which is provided on the substrate, formed of a material containing silicon resin, of which Martens hardness of the material is any value in a range of 0.05 (N/mm | 2014-02-13 |
20140043815 | LIGHT EMITTING DIODE BULB STRUCTURE FOR ENHANCING HEAT DISSIPATION EFFICIENCY - A light emitting diode (LED) bulb structure includes a lamp shell, a light emitting assembly, a heat conducting body and a heat dissipating body. The light emitting assembly includes a light source substrate carrying at least one light emitting element. The heat conducting body includes a heat collecting portion contacting the light source substrate, a heat conducting portion connecting to the heat collecting portion, and multiple heat conducting fins extended radially and outwardly from the heat conducting portion. The heat dissipating body is formed on the heat conducting body through injection molding and includes multiple heat dissipating fins disposed on the surface thereof correspondingly to the heat conducting fins such that the heat conducting fins are encased therein. Accordingly, heat generated by the light source substrate is absorbed by the heat collecting portion and then conducted from the heat conducting fins to the heat dissipating fins for dissipation. | 2014-02-13 |
20140043816 | LED LAMP BULB WITH A RETAINER RIM - An LED lamp bulb includes a heat sink carrying LEDs, a radiation fin set including multiple radiation fins radially arranged around the heat sink, an insulative lamp bulb base affixed to the bottom side of the radiation fin set, a light-transmission bulb shell having retaining lugs equiangularly spaced around the bottom open side thereof, and a retainer rim set between the radiation fin set and the light-transmission bulb shell and having protruding strips equiangularly spaced around an inner perimeter of a front wall thereof and respectively plugged into the gaps between each two adjacent ones of the radiation fins and retaining notches equiangularly spaced around an outer perimeter of a back wall thereof and respectively forced into engagement with respective retaining lugs of the light transmission bulb shell. | 2014-02-13 |
20140043817 | Method And Device For Constructing High-Power LED Lighting Fixture - A method and a device for constructing a high-power LED lighting fixture are disclosed, wherein a high power LED lighting fixture is constructed by assembling one or more standard-interface LED lamp heads, in which an LED optical module and a separate power source are integrated, onto a lamp base ( | 2014-02-13 |
20140043818 | LIGHTING DEVICE AND METHOD FOR PRODUCING A LIGHTING DEVICE - The lighting device ( | 2014-02-13 |
20140043819 | LIGHTING DEVICE - Disclosed is a lighting device which comprises: an optical member comprising a protruding optical pattern forming a gap with an adjacent layer; at least one light emitting unit inserted into the optical member; and a resin layer formed on the optical member and the at least one light emitting unit, whereby it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protruding optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility. | 2014-02-13 |
20140043820 | BULB LAMP STRUCTURE - A bulb lamp structure includes a light source, a housing, an optical film and a lamp cover. The housing is used to accommodate the light source. The housing has an opening portion. The optical film is disposed on the opening portion and has a curve surface. The lamp cover is detachably assembled on the housing. The optical film is disposed between the light source and the lamp cover. | 2014-02-13 |
20140043821 | LED BULB HAVING A UNIFORM LIGHT-DISTRIBUTION PROFILE - An LED bulb includes a base, a shell, a plurality of LEDs, and a thermally conductive liquid. The shell is connected to the base. The plurality of LEDs is attached to the base and disposed within the shell. The thermally conductive liquid is held within the shell. The LED bulb is configured to produce a uniform light-distribution profile. | 2014-02-13 |
20140043822 | LED BULB HAVING A UNIFORM LIGHT-DISTRIBUTION PROFILE - An LED bulb includes a stem body, a shell, a plurality of LEDs, and a thermally conductive liquid. The shell is connected to the stem body. The plurality of LEDs is disposed within the shell. The thermally conductive liquid is held within the shell. The LEDs and the shell are configured to provide the LED bulb with a uniform light-distribution profile. | 2014-02-13 |
20140043823 | OMNIDIRECTIONAL LED LIGHT BULB - An omnidirectional LED light bulb comprising a lamp base ( | 2014-02-13 |
20140043824 | SOLID STATE LIGHT WITH OPTICAL GUIDE AND INTEGRATED THERMAL GUIDE - A solid state light having a solid state light source such as LEDs, and optical guide, and a thermal guide. The optical guide is coupled to the light source for receiving and distributing light from the light source, and the thermal guide is integrated with the optical guide for providing thermal conduction from the solid state light source and dissipating heat through convection for cooling the light. | 2014-02-13 |
20140043825 | LED LIGHT BULBS - LED light bulbs include openings in base or cover portions, and optional forced flow elements, for convective cooling. Thermally conductive optically transmissive material may be used for cooling, optionally including fins. A LED light engine may be fabricated from a substrate via planar fabrication techniques and shaped to form a substantially rigid upright support structure. Mechanical, electrical, and thermal connections may be made between a LED light engine and a LED light bulb. | 2014-02-13 |
20140043826 | LUMINOUS FLUX CONTROL MEMBER, LIGHT EMITTING DEVICE, AND DISPLAY DEVICE - Disclosed are a luminous flux control member, which includes an incident surface onto which a light is incident, a reflective surface reflecting the incident light, and a light exit surface outputting the reflected light according to at least two orientation angles based on one direction perpendicular to a central axis connecting a center of the incident surface with a center of the reflective surface, a light emitting device and a display device having the same. The uniformity in the brightness of the display device is ensured and the display device is realized in small size | 2014-02-13 |
20140043827 | LED LIGHTING APPARATUS - An exemplary embodiment of the present invention discloses a light emitting diode (LED) lighting apparatus with a housing, a lighting module and a diffusion cover. The lighting module includes a circuit board combined with the housing, and a plurality of light emitting diodes mounted on the circuit board to generate light, the light emitting diodes in a first region being arranged with a first distance and the light emitting diodes in a second region being arranged with a second distance that is greater than the first distance. The diffusion cover is combined with the housing such that the diffusion cover covers the lighting module. The diffusion cover has a groove portion at a region corresponding to the second region. | 2014-02-13 |
20140043828 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a base member, a light source on the base member, a light-transmitting cover configured to cover the light source and to emit light emitted from the light source to the outside, and a light guide body provided opposite the light source and configured to guide, to the rear of the light source, at least part of the light from the light source. The cover includes a back light-transmitting region having a plane-normal line directed rearwardly. The light guide body includes a light-incident portion facing the light source and a light guide-emitting portion curvedly extending outward from the light-incident portion, having a distal end portion extending along the back light-transmitting region and directed to the rear. | 2014-02-13 |
20140043829 | OPTICAL-WAVELENGTH CONVERTING WHEEL COMPONENT - An optical-wavelength converting wheel component comprises a motor ( | 2014-02-13 |
20140043830 | ADAPTER LENS - An adapter lens includes an inner converging lens part; a convex light output region; a front conical light output region; an outer reflector part; a rearwardly open blind hole defining surface including a flat base surface and a frustoconical side surface that together define a light incidence region and a frustoconical hole having an inner end diameter, an outer end diameter, and allowing for longitudinal movement therein of a LED light source along an optical axis of the adapter lens within the frustoconical hole for changing a light cone emitted from the adapter lens. The adapter lens has a height H and a maximum diameter MD, and the ratio of the height H to the maximum diameter MD is greater than 0.5. | 2014-02-13 |
20140043831 | LIGHT EMITTING DIODE AND LENS FOR THE SAME - A lens has a refractive index of n, and includes a base, a first curved circumferential surface extending from the base, a curved center-edge surface extending from the first curved circumferential surface, and a curved centermost surface extending from the curved center-edge surface. The base includes a groove for receiving a light emitting chip. A distance from a center of the base to a point of the curved center-edge surface is shorter than the radius of curvature for the point of the curved center-edge surface. The curved centermost surface has a concave shape with respect to the base. The lens satisfies A1+A2<90+sin | 2014-02-13 |
20140043832 | COVER FOR A COMPACT FLUORESCENT LIGHT BULB - A cover for a compact fluorescent light (CFL) bulb is provided. The cover includes a housing formed of clamshell sections that are mutually engageable about the CFL bulb and, when engaged, define an upper body portion having an interior for receiving the CFL bulb and a cylindrically-shaped neck extending downwardly from the upper body portion for encircling a base of the CFL bulb. A resilient member extends inwardly from opposite sides of the cylindrically-shaped neck and is biasable against the base of the CFL bulb to grip and retain the base when the clamshell sections are mutually engaged to secure the cover to the CFL. The cover may also include a flange defining a rectangular slot through which the CFL bulb is extendable to facilitate securing the bulb to a light socket. | 2014-02-13 |
20140043833 | OPTICAL SEMICONDUCTOR LIGHTING APPARATUS - A first heat sinking path formed in a forming direction of a heat sink unit disposed radially in a housing where a light emitting module is mounted. A second heat sinking path is formed along an edge of the light emitting module. By providing a light engine concept in which a light emitting module, an optical member, and a heat sink unit are included and a bottom surface is gradually widened from one side to the other side, an optical semiconductor lighting apparatus can reduce a total weight of a product, can further improve heat dissipation efficiency by inducing natural convection, is simple in the product assembly and installation, and is easy in maintenance, and can provide products with high reliability by increasing the arrangement efficiency of semiconductor optical devices per unit area. | 2014-02-13 |
20140043834 | LIGHT EMITTING DIODE LUMINAIRE - A luminaire includes a light fixture having a heat conductive shell having an opening and at least one LED positioned on a plate within the heat conductive shell to emit light through the opening, wherein the heat conductive shell further comprises an ionic wind fan positioned on the plate so as to directly cool said at least one LED by moving air heated by the at least one LED through the opening. | 2014-02-13 |
20140043835 | HORIZONTALLY AND VERTICALLY MOUNTABLE FIXTURE EXTENSION THAT CAN BE LOWERED FOR SERVICE - An example includes a lamp system couplable to a vertical structure and a horizontal structure, the system including a base including a first electrical contact couplable to a power source, a motor coupled to the base, the motor couplable to the power source, a cord coupled to the motor, with the motor configured to extend and retract the cord with respect to the base and a lamp socket coupled to the cord, the lamp socket including a second electrical contact mateable to the first electrical contact to electrically couple the lamp socket to the power source, wherein the base is hingedly couplable to a hinge plate, with a proximal portion of the hinge plate to be hinged to a side of the base in a vertical-mount configuration, with the cord extending through a channel located on a distal end of the hinge plate. | 2014-02-13 |
20140043836 | YIELDABLE LIGHTING COLUMN - A yieldable lighting column ( | 2014-02-13 |
20140043837 | LIGHTING SYSTEM FOR USE WITH THERMALLY-INSULATED RECEPTACLES - The lighting system for use with thermally-insulated receptacles comprises a replaceable lid, a light source, and a power source. The lighting system further comprises an additional layer of material covering the light source and power source to limit exposure to moisture and to limit contact with the items stored within the thermally-insulated receptacle. The lighting system for use with thermally-insulated receptacles is configured to be used as safety equipment to signal others when the user is in distress. The lighting system for use with thermally-insulated receptacles is configured to be used with stand-alone, thermally-insulated receptacles or with thermally-insulated receptacles integrally formed in or on land vehicle or water craft. | 2014-02-13 |
20140043838 | LIGHTED VEHICLE INTERIOR ACCESSORY ASSEMBLY AND METHOD - A lighted interior accessory assembly for a vehicle includes an interior accessory such as an armrest or console and a plurality of fasteners mounting the interior accessory on the interior panel. A mounting plate has a light pipe mounted thereon and emitting light along the length of the light pipe. The mounting plate is sandwiched between the armrest and the interior panel so that the mounting plate creates a gap between the armrest and the interior panel through which the light pipe emits light into the vehicle interior. Mounting the armrest directly to the door trim without inter-positioning the mounting plate between the armrest and the door trim eliminates the gap and eliminates the light pipe. Accordingly, a vehicle manufacturer can readily include a lighting feature in a luxury version of the vehicle and omit the lighting feature from a standard version of the vehicle. | 2014-02-13 |
20140043839 | WHEEL MOUNTED LIGHTING ASSEMBLY - A lighting assembly for mounting to the exterior of a wheel of a vehicle includes a mounting assembly which enables the lighting assembly to be mounted to the wheel via the lug nuts ordinarily associated with a wheel cover. The mounting assembly, in one embodiment, includes a twist lock assembly which not only mounts the lighting assembly to the wheel but also stabilizes it while mounted thereto. The lighting assembly includes and interchangeable LED display for providing interchangeable messages, advertising or the like. | 2014-02-13 |
20140043840 | LIGHT MODULE - The invention concerns a light module with a light source, a primary optical system and a reflector. The primary optical system contains a lens element that is embodied as a sector of an imaginary rotation body formed by the rotation of an imaginary rotation base surface around a rotation axis, wherein the rotation base surface is designed such that the lens element contains a light entry surface that faces the rotation axis and that surrounds the rotation axis and a light emitting surface that is located radially exterior to the rotation axis, wherein the reflector has at least one reflector zone that is embodied as a segment of the surface of a rotation symmetric imaginary associated circular cone, and wherein the axis of symmetry of the circular cone extends parallel to the rotation axis of the lens element. | 2014-02-13 |
20140043841 | VEHICULAR ILLUMINATION LAMP - A front surface of a translucent member is shaped so that each light ray from a light-emitting portion is incident on the front surface at a predetermined incident angle θ equal to or larger than a critical angle β, and a rear surface of the translucent member (rotating body type) is designed in shape so that in a rear peripheral surface portion of the rear surface, a tilt angle α is “α<90°−2α−γ” when reflected light from the front surface of the translucent member is incident on the rear peripheral surface portion at the tilt angle α with respect to a vertical direction, where β represents the critical angle, and γ represents a shift angle of re-reflected light with respect to a horizontal direction. This allows the front surface and the rear surface of the translucent member to internally reflect light by total reflection without using a vapor-deposited film. | 2014-02-13 |
20140043842 | VEHICLE HEADLAMP - A multi-lamp type vehicle headlamp is configured to combine illumination by a first lamp unit and illumination by second lamp units so as to provide a low beam light distribution function and a high beam light distribution function. The first lamp unit is configured to form at least a cutoff line of a light distribution pattern for a low beam. The second lamp units have a resolution that is lower than that of an illumination region which can be provided by the first lamp unit. | 2014-02-13 |
20140043843 | VEHICLE HEADLIGHT HAVING LED LIGHT MODULES FOR GENERATING A MAIN LIGHT DISTRIBUTION AND AN ADDITIONAL LIGHT DISTRIBUTION - The invention relates to a vehicle headlight ( | 2014-02-13 |
20140043844 | MOISTURE GENERATION PREVENTING STRUCTURE OF VEHICLE HEAD LAMP - A moisture generation preventing apparatus of a vehicle head lamp, may include a phase change material (PCM) unit mounted in a housing of the vehicle head lamp having a lens mounted at a front end portion of the housing to prevent moisture from being generated in the lens when an internal temperature of the head lamp drops below a predetermined degree, wherein the PCM unit sprays gaseous phase change material (PCM) to an inner portion of the head lamp. | 2014-02-13 |
20140043845 | LIGHT-EMITTING APPARATUS - A light-emitting apparatus including a light guide unit, at least one light-emitting component, and a wavelength conversion unit is provided. The light guide unit has a first end and a second end opposite to the first end. The light-emitting component is disposed on the first end and emits a first light. The wavelength conversion unit is disposed on the second end. The light guide unit guides the first light emitted by the light-emitting component from the first end to the second end, and the wavelength conversion unit converts the first light into the second light, wherein the wavelength of the first light is different from the wavelength of the second light. | 2014-02-13 |
20140043846 | DIFFRACTIVE LIGHTING DEVICES WITH 3-DIMENSIONAL APPEARANCE - Extended area lighting devices include a light guide and diffractive surface features on a major surface of the light guide. The diffractive surface features provide low distortion for viewing objects through the light guide. Light from discrete light source(s) is injected into the light guide, and the diffractive surface features interact with the injected light to couple guided-mode light out of the light guide. The out-coupled light produces one or more bands whose apparent shape changes with viewing position. The bands may be bright bands that correspond to the discrete light sources, or dark bands associated with an optional non-uniform reflective structure extending along a side surface of the light guide. Multiple bands may form a pattern that changes with viewing position, the pattern of bands having a 3-dimensional appearance for at least some viewing positions. The lighting devices can be used as luminaires for general lighting or decorative lighting. | 2014-02-13 |
20140043847 | COLORFUL DIFFRACTIVE LUMINAIRES PROVIDING WHITE LIGHT ILLUMINATION - Extended area lighting devices include a light guide and diffractive surface features on a major surface thereof. The diffractive surface features include diffractive features of different pitches in non-overlapping regions of the major surface tailored to extract guided-mode light of different colors from the light guide in different directions. The diffractive features extract light such that an ordinary user observes substantially different colors in different regions of the light guide, providing a colorful appearance. Notwithstanding this, the diffractive features also extract light such that the lighting device illuminates a reference surface, disposed at an intermediate distance from the light guide, with illumination light that is substantially uniform in color and substantially white. Optical films having diffractive features that can be used to construct such devices and light guides are also disclosed. The concept can also be extended to embodiments in which the uniform color illumination light is not substantially white. | 2014-02-13 |
20140043848 | BACKLIGHT DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - A backlight device according to an exemplary embodiment of the present invention includes, wherein a light guide plate including a convex portion and a recess portion, a lower cover including a lateral surface cover part positioned adjacent to the convex portion, the lower cover surrounding the light guide plate, and a fixing member positioned between the light guide plate and the lateral surface cover part of the lower cover, in which the lateral cover part includes an opening, and the fixing member includes a first hook surrounding the convex portion and a second hook protruding through the opening of the lateral surface cover part. | 2014-02-13 |
20140043849 | LIGHTING MODULE - A lighting module may be provided that comprises: a first and a second light sources, which are disposed opposite to each other; a light guide plate disposed between the first light source and the second light source and including a top surface and a bottom surface; a first case including the first light source; a second case including the second light source; and an optical plate disposed on at least one of the top surface and the bottom surface of the light guide plate, wherein the optical plate reflects a part of light from the first and the second light sources and transmits the rest of the light. | 2014-02-13 |
20140043850 | LIGHTING DEVICES WITH PATTERNED PRINTING OF DIFFRACTIVE EXTRACTION FEATURES - Extended area lighting devices include a light guide and diffractive surface features on a major surface of the light guide, at least some diffractive surface features adapted to couple guided-mode light out of the light guide. The diffractive features include first and second diffractive features disposed on respective first and second portions of the major surface. A patterned light transmissive layer, including a second light transmissive medium, optically contacts the second diffractive features but not the first diffractive features. A first light transmissive medium optically contacts the first but not the second diffractive features. The first and second portions may define indicia, and the first and second diffractive features provide low distortion for viewing objects through the light guide such that the indicia is not readily apparent to users when guided-mode light does not propagate within the light guide. Optical films having such diffractive features are also disclosed. | 2014-02-13 |
20140043851 | LIGHTING UNIT FOR DISPLAY DEVICE AND DISPLAY DEVICE INCLUDING LIGHTING UNIT - A lighting unit for a display device includes: a plurality of light sources which emits light; a wedge-shaped light guide having an incident surface disposed close to the light sources and an opposing surface disposed opposite the incident surface; and a lens sheet disposed on the light guide, where the lens sheet includes a plurality of lenses, each having an axis in a direction from the incident surface to the opposing surface, where the light guide is thinner at the incident surface than at the opposing surface, and a radius of curvature of each of the lenses is larger at the incident surface than the opposing surface. | 2014-02-13 |
20140043852 | EDGE-ILLUMINATION TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME - Providing is an edge-illumination type backlight module, comprising a light guide bar comprising a light incident surface and a light exiting surface; a light source device for emitting a light to the light incident surface; a light guide plate comprising a light emitting surface and a light entrance surface, wherein the light emitting surface is disposed on a surface of the light guide plate, the light entrance surface is disposed at a lateral surface of the light guide plate, the light guide plate is adjacent to the light guide bar, the light exiting surface of the light guide bar faces to the light entrance surface of the light guide plate, and the light emitting surface of the light guide plate is vertical to a light emitting direction of the light source device; and an optical film disposed on the light emitting surface of the light guide plate. | 2014-02-13 |
20140043853 | LED LAMP FOR LIGHTING - A LED illumination lamp extending substantially along and about an axis, and having: a LED light source located substantially along the axis; a light diverting optical element located substantially in front of the light source, along the axis, and designed to laterally divert the light impinging substantially axially on the optical element; and an optical guide plate surrounding the optical element and the axis, and having a seat housing the light source and the optical element; the plate extending along the axis, between two opposite faces respectively defining a front light-exit surface, and a rear active surface having a number of circumferential annular projections spaced radially apart and concentric with the axis. | 2014-02-13 |
20140043854 | ILLUMINATING DEVICE - Disclosed is an illuminating device which comprises a light guiding unit comprising a protrusion optical pattern forming a gap with an adjacent layer, at least one light emitting unit passing through the light guiding unit, and a resin layer formed on the light guiding unit and the at least one light emitting unit, so it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protrusion optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility. | 2014-02-13 |
20140043855 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a receiving container, a light emitting unit and a light guide plate. The receiving container includes a bottom portion, and a sidewall extended from the bottom portion. The light emitting unit is on an inner lateral surface of the sidewall. The light guide plate is in the receiving container and includes a side surface facing the light emitting unit. The light emitting unit includes a light emitting diode package which generates light, a first lead frame and a second lead frame. The first lead frame is electrically connected to a first electrode of the light emitting diode package. The second lead frame is spaced apart from the first lead frame and electrically connected to a second electrode of the light emitting diode package. | 2014-02-13 |
20140043856 | DIFFRACTIVE LUMINAIRES - Extended area lighting devices, which are useful e.g. as luminaires, include a light guide and diffractive surface features on a major surface of the light guide. The diffractive surface features are tailored to extract guided-mode light from the light guide. The light guides can be combined with other components and features such as light source(s) to inject guided-mode light into the light guide, light source(s) to project light through the light guide as non-guided-mode light, a framework of interconnected support members (attached to multiple such light guides), and/or a patterned low index subsurface layer that selectively blocks some guided mode light from reaching the diffractive surface features, to provide unique and useful lighting devices. Related optical devices, and optical films having diffractive features that can be used to construct such devices and light guides, are also disclosed. | 2014-02-13 |
20140043857 | BACKLIGHT DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD FOR BACKLIGHT DEVICE - A backlight device is provided. A backlight device according to an exemplary embodiment of the present invention includes: a lower cover enclosing a light guide plate and having a bottom cover and a side cover; and a printed circuit board attached to the lower cover and mounted with the light source, wherein the first opening is formed in the lower cover. The light source is inserted into the first opening and is positioned on an inner surface of the lower cover, and the printed circuit board is positioned at the outer surface of the lower cover. | 2014-02-13 |
20140043858 | LIGHT GUIDE PLATE AND DISPLAY DEVICE HAVING THE SAME - Light guide plate and a display device having the same. According to an aspect of the present invention, there is provided a display device comprising a light guide plate (LGP) comprising a base, sidewalls which protrude from a surface of the base, and covers which protrude towards a center of the base, and a display panel disposed on the LGP. | 2014-02-13 |
20140043859 | LIGHT GUIDE PLATE AND MANUFACTURING METHOD OF THE SAME - A light guide for converting a dot light source or a linear light source into a planar light source, and the light guide includes a light emitting surface and a reflection surface facing the light emitting surface and having a plurality of reflection patterns, wherein a width of the reflection patterns is less than 10 μm. | 2014-02-13 |
20140043860 | CONTROLLING AN ADAPTER TRANSFORMER VOLTAGE - Embodiments of an adapter are disclosed that include a transformer with a primary coil coupled to an H-bridge. The H-bridge is controlled by a control circuit that controls a voltage across the primary coil using the H-bridge, and the control circuit is configured to control the H-bridge so that during each of one or more intervals, a first voltage pulse is applied across the primary coil in a start direction, wherein the start direction alternates between a first direction and a second direction each interval. Then, a direction of subsequent voltage pulses across the primary coil is alternated between the first direction and the second direction a predetermined number of times. After the predetermined number of times, a last voltage pulse is applied across the primary coil; then, voltage across the primary coil is reduced to zero for a predetermined time. | 2014-02-13 |
20140043861 | CONTROLLING AN ADAPTER TRANSFORMER VOLTAGE - An adapter for electrical power that includes a rectifier coupled to a transformer with a primary coil and a secondary coil. The secondary coil includes a first end tap, a second end tap, and a center tap. A first switch is coupled between the first end tap and a primary side ground. A second switch is coupled between the second end tap and the primary side ground. A controller is coupled to the first switch and to the second switch so that during one or more intervals, the first switch and the second switch are alternately open and closed a predetermined number of times, wherein the initial switch closed each interval alternates between the first switch and the second switch, and after the predetermined number of times, both the first switch and the second switch are opened for a predetermined time period. | 2014-02-13 |
20140043862 | POWER ADAPTER - Embodiments of an adapter are disclosed that include a rectifier with an input and an output coupled to a step-down transformer with a primary coil and a secondary coil, wherein the primary coil is coupled to the output of the rectifier. A step-up converter is coupled to the secondary coil. | 2014-02-13 |
20140043863 | NOVEL CONTROL METHOD TO REDUCE SWITCHING LOSS ON MOSFET - A method of controlling a switching mode power converter enables zero voltage switching by forcing a voltage across the main switch to zero. This is accomplished by sensing when a current on the secondary side of the power converter drops to zero, or other threshold value, and then generating a negative current through the secondary winding in response. The negative secondary current results in a corresponding discharge current in the primary winding, which reduces the voltage across the main switch. The voltage across the main switch is monitored such that when the voltage reaches zero, or other threshold value, the main switch is turned ON. In this manner, the circuit functions as a bi-directional current circuit where a forward current delivers energy to a load and a reverse current provides control for reducing the voltage across the main switch to enable zero voltage switching. | 2014-02-13 |
20140043864 | POWER SUPPLY CIRCUIT USING DC/DC CONVERTER - A power supply circuit comprises an input for receiving a power supply from a battery and a DC/DC converter for supplying a converted voltage to a load. A regulator is used for controlling the DC/DC converter such that the current drawn from the converter is smoothed. A charge storage device at the output of the DC/DC converter enables delivery of a non-constant current to the load. | 2014-02-13 |
20140043865 | SYNCHRONOUS RECTIFIER CONTROL TECHNIQUES FOR A RESONANT CONVERTER - A resonant converter system includes a first stage having inverter circuitry and resonant tank circuitry configured to generate an AC signal from a DC input signal, a transformer configured to transform the AC signal, and a second stage. The second stage features synchronous rectifier (SR) circuitry including a plurality of SR switches each having a body diode and SR control circuitry. SR control circuitry is configured to generate gate control signals to control the conduction state of the SR switches so that the body diode conduction time is minimized and a negative current across the SR switches is reduced or eliminated. The method includes controlling the conduction state of SR switches to conduct as the body diode associated with the switch begins to conduct and controlling the SR switch to turn off as the current through the switch approaches a zero crossing. | 2014-02-13 |
20140043866 | HIGH EFFICIENCY AND LOW LOSS AC-DC POWER SUPPLY CIRCUIT AND CONTROL METHOD - Disclosed herein are high efficiency, low loss AC-DC power supply circuits, and associated control methods. In one embodiment, an AC-DC power supply circuit can include: (i) a rectifier configured to rectify an AC power supply to generate a DC input voltage; (ii) a first stage voltage converter configured to convert the DC input voltage to a first output voltage, and to convert a first control signal to a feedback signal that represents the first output voltage; and (iii) a second stage voltage converter configured to convert the first output voltage to a constant DC output signal, where the first control signal represents a duty cycle of the second stage voltage converter. | 2014-02-13 |
20140043867 | SWITCHING POWER SUPPLY DEVICE CONTROL CIRCUIT AND SWITCHING POWER SUPPLY - A switching power supply device control circuit and switching power supply can combat fluctuation due to the input voltage in the peak current of a switching element, even when using an oscillator. A control IC is connected to a switching element and to a current detecting resistor, and controls the switching element, the control IC being configured of an OCP comparator that detects an overcurrent with respect to a load, an overcurrent level setting circuit that corrects a fluctuation occurring in the peak current of the switching element in response to the output voltage from the AC input, an oscillator having a frequency modulating function whereby the switching frequency with respect to the switching element can be modulated, and a slope compensation circuit that generates a slope compensation signal increasing monotonically in proportion to the time from the start of each cycle of an oscillating signal of the oscillator. | 2014-02-13 |
20140043868 | SWITCHING POWER SUPPLY SYSTEM AND CONTROL CIRCUIT OF THE SWITCHING POWER SUPPLY SYSTEM - A switching power supply system includes a transformer having a primary winding, a secondary winding and a tertiary winding, a switching device inputted to the primary winding carrying out switching operation on the basis of a first control signal or a second control signal, an output voltage producing section rectifying and smoothing a voltage generated in the secondary winding to produce an output voltage, an output voltage detecting section producing an output voltage detection signal based on a voltage generated in the tertiary winding, a checking pulse generator generating pulses of the first control signal, and a switching controlling section producing the second control signal on the basis of the output voltage detection signal. The switching power supply system is capable of carrying out stable control of the output voltage on the secondary winding side of the transformer with a low power loss. | 2014-02-13 |
20140043869 | POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS - The power supply apparatus includes a switch element for turning ON and OFF supply of electric power to a primary winding of a transformer; a determining unit connected to an auxiliary winding of the transformer, for determining an ON-time of the switch element; and a switching unit for switching the ON-time determined by the determining unit. | 2014-02-13 |
20140043870 | THREE PHASE BOOST CONVERTER TO ACHIEVE UNITY POWER FACTOR AND LOW INPUT CURRENT HARMONICS FOR USE WITH AC TO DC RECTIFIERS - A voltage source inverter comprises a zigzag transformer providing a neutral point. A rectifier unit comprises three single phase boost converters each connected to one of the three phases of AC power and the neutral point and comprising a bridge rectifier converting single phase AC power to DC power and using a boost inductor with a boost switch and blocking diode to develop a DC output. An inverter receives DC power and converts DC power to AC power. A link circuit is connected between each boost converter DC output and the inverter circuit and comprises a DC bus having first and second rails to provide a relatively fixed DC voltage for the inverter and a DC bus capacitance across the first and second rails to smooth voltage ripple. A switch controller controls operation of the boost switches using average current control for each of the boost converters. | 2014-02-13 |
20140043871 | EMI FILTER USING ACTIVE DAMPING WITH FREQUENCY DEPENDANT IMPEDANCE - A circuit for providing damping in an electromagnetic interference (EMI) filter with an inductor-capacitor (LC) circuit, includes at least one capacitor connected to receive a common-mode current from the LC circuit; a current sensor that senses the common-mode current; a linear amplifier that amplifies the sensed common-mode current; and a power amplifier that receives the amplified sensed common-mode current and outputs a voltage which creates a damping impedance for frequencies of the common-mode current less than a threshold frequency and absorbs the common-mode current for frequencies greater than the threshold frequency. | 2014-02-13 |
20140043872 | CONTROL DEVICE FOR A SWITCHING DEVICE WITH SEPARATE START-UP AND HOLDING COILS - A control device for a switching device with separate start-up and holding coils includes control electronics to control the current supply to the start-up and holding coils and a direct voltage supply unit for the holding coil and the control electronics with the same reference potential for the holding coil and the control electronics. | 2014-02-13 |
20140043873 | Method In A Voltage Source Chain-Link Converter, Computer Programs And Computer Program Products - A method in a voltage source chain-link converter. The method includes: detecting a failure of a device of one converter cell module; blocking a phase-leg including the failed position; discharging to zero a capacitor unit of the converter cell module including the failed position; and providing a current path for the phase current through the converter cell module with the failed position, the current path including a first branch, in turn including corresponding positions of the first phase-leg and the second phase-leg in the full H-bridge arrangement, the first branch being connected in parallel to a second branch including the failed position, the second branch including the remaining two positions of the full H-bridge arrangement. The invention also encompasses corresponding computer program and computer program products. | 2014-02-13 |
20140043874 | CIRCUIT FOR CONTROLLING A LATCH MODE OF A PULSE WIDTH MODULATION CIRCUIT AND METHOD THEREOF - A circuit for controlling a latch mode of a pulse width modulation circuit includes a D flip-flop, a voltage generation unit, a comparator, and a logic unit. The D flip-flop generates a switch control signal according to a latch enable signal. The voltage generation unit generates a discharge current, and a voltage divider resistor group included in the voltage generation unit generates a first voltage when the voltage generation unit is turned on according to the switch control signal. A voltage of a predetermined pin of the pulse width modulation circuit is equal to a predetermined voltage when the discharge current is equal to the charge current. The comparator compares a reference voltage with the first voltage to generate a comparison signal. The logic unit generates a clear signal according to the comparison signal. The D flip-flop clears the switch control signal according to the clear signal. | 2014-02-13 |
20140043875 | OFF-LINE REGULATOR AND ASSOCIATED METHOD - The present invention discloses an off-line regulator. The off-line regulator comprises a rectification circuit configured to rectify an AC line voltage into a rectified line voltage; a pass device coupled between the rectified line voltage and a first capacitor, the pass device is configured to be turned ON or OFF according to a comparison signal indicating whether the rectified line voltage is over a threshold voltage. The first capacitor delivers an interim voltage into a converter which supplies power to a load. Wherein a second capacitor coupled across a driver which driving the pass device is charged by the first capacitor when the comparison signal is at a first state, and the driver is boosted when the comparison signal is at a second state. | 2014-02-13 |
20140043876 | ACTIVE FEEDBACK CONTROL INTEGRATED CIRCUIT APPLIED TO AN ALTERNATING CURRENT/DIRECT CURRENT CONVERTER AND OPERATION METHOD THEREOF - An active feedback control integrated circuit applied to an alternating current/direct current converter includes a feedback pin, an operation unit, a control unit, and a controlled-current generation unit. The feedback pin is used for receiving a feedback current of an output feedback unit of the alternating current/direct current converter. The operation unit is used for generating an operation signal according to the feedback current. The control unit is coupled to the operation unit for generating a current control signal. The controlled-current generation unit is coupled to the control unit for generating a controlled current to the feedback pin according to the current control signal. | 2014-02-13 |
20140043877 | POWER FACTOR CORRECTION CONVERTER - A power factor correction converter includes: a light load detection circuit configured to generate, if supplied power to a load is less than or equal to a predetermined value, a light load detection signal whose level corresponds to the supplied power; a target waveform generation circuit configured to generate, based on an input DC voltage, a target waveform of an inductor current flowing through an inductor; and a drive signal generation circuit configured to generate a drive signal driving a switch such that the inductor current follows the target waveform. The target waveform generation circuit is configured to generate, if the light load detection signal indicates a light load, the target waveform that includes a zero level period in which an amplitude of the target waveform is zero level, the zero level period being adjusted in accordance with the level of the light load detection signal. | 2014-02-13 |
20140043878 | High-Efficiency, Low-Power Power Supply Circuit - A power supply circuit includes a rectifier, a charging circuit, and a storage capacitor. An AC signal is rectified by the rectifier thereby generating a rectified signal V | 2014-02-13 |
20140043879 | SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME, AND DRIVING METHOD OF POWER SUPPLY DEVICE - The present invention relates to a switch controller, a power supply including the same, and a method for driving the same. An AC input of the power supply is connected to a rectification circuit. The power supply includes a power switch to which an input current passed through the rectification circuit flows during an on-period and a switch controller, the switch controller detects a half-on time point that is the intermediate time point of the on-period, detects a sense voltage that is determined by a current flowing to the power switch during the on-period at the half-on time point, generates a modulation wave by controlling a reference wave according to the detected voltage, and controls switching operation of the power switch according to the modulation wave. | 2014-02-13 |
20140043880 | Method and Apparatus for Determining a Fault Current Portion in a Differential Current - When determining a fault current portion I | 2014-02-13 |
20140043881 | POWER CONVERTER WITH PREEMPTIVE PROTECTION - Among many embodiments, a power conversion apparatus and a method for converting power are disclosed. The power conversion apparatus may include switching components configured to create an alternating current; a preemptive detector arranged and configured to provide, in advance of the alternating current reaching a zero-crossing, a control signal responsive to the alternating electrical current approaching the zero-crossing; and a controller configured, at least in part, to change a state of the switching components before the zero crossing, in response to the control signal. | 2014-02-13 |
20140043882 | Modular Power Converters Usable Alone or In A Multiphase Power Converter - A power converter module for use alone or with other modules in a multiphase power converter. The power converter module has an enclosure that surrounds internal components to prevent radiation of electromagnetic energy, which internal components also limit conduction of electromagnetic energy. The internal components include an EMI filter, a ripple filter, a power converter, and a control interface that communicates with a control system of a power conversion system. The control interface includes a memory that stores information related to the power converter modules so as to improve interchangability of similar power modules with the multiphase power converter. | 2014-02-13 |
20140043883 | Three dimensional structure memory - A Three-Dimensional Structure (3DS) Memory allows for physical separation of the memory circuits and the control logic circuit onto different layers such that each layer may be separately optimized. One control logic circuit suffices for several memory circuits, reducing cost. Fabrication of 3DS memory involves thinning of the memory circuit to less than 50 microns in thickness and bonding the circuit to a circuit stack while still in wafer substrate form. Fine-grain high density inter-layer vertical bus connections are used. The 3DS memory manufacturing method enables several performance and physical size efficiencies, and is implemented with established semiconductor processing techniques. | 2014-02-13 |
20140043884 | SEMICONDUCTOR APPARATUS - A semiconductor apparatus includes a memory chip which includes: a memory area; a data input/output block configured to communicate with the memory area; and a data transmission/reception block configured to connect one of a plurality of channels and a pad to the data input/output block, wherein the plurality of channels are configured to input and output normal data to and from another chip, and the pad is configured to input and output test data. | 2014-02-13 |
20140043885 | SEMICONDUCTOR DEVICE - In a semiconductor device of a stacked structure type having a control chip and a plurality of controlled chips, wherein the control chip allocates different I/O sets to the respective controlled chips and processes the I/O sets within the same access cycle, the controlled chip close to the control chip and positioned to a lower position in the stacked structure has I/O penetrating through substrate vias connected to penetrating through interconnections. The penetrating through interconnections are extended to an upper one of the controlled chips that not use the penetrating through interconnections and, as a result, all of the penetrating through interconnections have the same lengths as each other. | 2014-02-13 |
20140043886 | SENSING MEMORY ELEMENT LOGIC STATES FROM BIT LINE DISCHARGE RATE THAT VARIES WITH RESISTANCE - A digital memory element has a sense circuit latch to read the value stored in a bit cell. Before addressing a word line, the bit lines are precharged. During the read operation, a bit line is coupled to a supply voltage through a bit cell memory element that has different resistances at logic states “0” and “1.” A reference bit line is coupled to the supply voltage through a comparison resistance value, especially a resistance between high and low resistance of the memory element in the two logic states. Voltages on the bit line and reference bit line ramp toward a switching threshold at rates related to the resistance values. The first line to discharge to switching threshold voltage sets the sense circuit latch. | 2014-02-13 |
20140043887 | WRITE DRIVER CIRCUIT, SEMICONDUCTOR APPARATUS USING THE SAME, AND MEMORY SYSTEM - A write driver circuit includes a write control unit and a write driver. The write control unit is configured to generate a write control current according to data to be stored. The write driver is configured to generate a write current for writing the data into a memory cell, in response to the write control current and an address signal, wherein the write driver changes the magnitude of the write current according to the write control current and the address signal. | 2014-02-13 |
20140043888 | METHOD OF OPERATING PSRAM AND RELATED MEMORY DEVICE - The latency of a PSRAM is set according to its current state when receiving an external command. If the PSRAM is not executing a specific operation or has completed the specific operation while meeting corresponding timing parameters, the PSRAM is configured to execute the external command with a first latency. If the PSRAM is executing the specific operation or has completed the specific operation before meeting corresponding timing parameters, the PSRAM is configured to execute the external command with a second latency larger than the first latency. | 2014-02-13 |
20140043889 | Time Processing Method and Circuit for Synchronous SRAM - A timing processing method and a circuit for a synchronous SRAM are provided. The method includes: directly inputting an address signal to a wordline decoder for logic decoding; generating various signals by setting various devices in terms of timing; and performing sensitive amplification on data that is input by a memory cell array and is selected by a bitline, and then outputting the data, that is, generating a data output signal. The circuit for a synchronous SRAM includes: a wordline decoder, a timing generator, a wordline controller, a wordline pulse width generator, a memory cell array, and a sense amplifier. | 2014-02-13 |
20140043890 | MONOLITHIC MULTI-CHANNEL ADAPTABLE STT-MRAM - A monolithic multi-channel resistive memory includes at least one first bank associated with a first channel and tuned according to first device attributes and/or first circuit attributes. The memory also includes at least one second bank associated with a second channel and tuned according to second device attributes and/or second circuit attributes. | 2014-02-13 |
20140043891 | NONVOLATILE CORRUPTION RESISTENT MAGNETIC MEMORY AND METHOD THEREOF - A method and system for storing information in a nonvolatile memory comprising: a substrate comprising magnetic material operatively associated therewith, the magnetic material having at least one first portion of low permeability and at least one second portion of high permeability; a reader comprising a sensor for reading information by measuring the magnetic permeability for the at least one first portion and the at least one second portion; whereby the at least one first and second portions are subjected to a magnetic probe field from one of an external source, the sensor, or a combination of an external source and the sensor. | 2014-02-13 |
20140043892 | SEMICONDUCTOR MEMORY DEVICE HAVING VARIABLE RESISTANCE MEMORY AND OPERATING METHOD - A semiconductor memory device includes a memory cell array of nonvolatile memory cells having a variable resistance element, and a conductor line array capable of generating a compensation magnetic field for the nonvolatile memory cells. A current driver selectively supplies current to conductive lines, a magnetic field sensor senses an applied external magnetic field and generates external magnetic field information, and a controller controls generation of the compensation magnetic field in response to the external magnetic field information. | 2014-02-13 |
20140043893 | METHODS, DEVICES AND PROCESSES FOR MULTI-STATE PHASE CHANGE DEVICES - Devices include multiple phase change materials connected in parallel between electrodes. Memory cells with multiple parallel phase change materials can be programmed to transition among more than two states representing multiple bits of information. Methods for manufacture and use are also disclosed | 2014-02-13 |
20140043894 | MEMORY CELLS HAVING A PLURALITY OF RESISTANCE VARIABLE MATERIALS - Resistance variable memory cells having a plurality of resistance variable materials and methods of operating and forming the same are described herein. As an example, a resistance variable memory cell can include a plurality of resistance variable materials located between a plug material and an electrode material. The resistance variable memory cell also includes a first conductive material that contacts the plug material and each of the plurality of resistance variable materials and a second conductive material that contacts the electrode material and each of the plurality of resistance variable materials. | 2014-02-13 |
20140043895 | DEVICE CONSISTING OF VARIOUS THIN FILMS AND USE OF SUCH A DEVICE - A device comprising: an assembly consisting of two, respectively upper and lower thin layers each forming a ferromagnetic element and separated by a thin layer forming a non magnetic element, said assembly being made up so that the layers forming the ferromagnetic elements are magnetically coupled through the layer forming a non magnetic element; an electrode, a layer forming a ferroelectric element in which the polarization may be oriented in several directions by applying an electric voltage through said layer, said layer forming a ferroelectric element being positioned between the layer forming a lower ferromagnetic element and the electrode; said device being configured so as to allow control of the magnetic configuration of the layers forming ferromagnetic elements by the direction of the polarization in the layer forming a ferroelectric element. | 2014-02-13 |