on Thixotropic concrete forming system By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST The present invention discloses a method and a forming system that reduces the hydrostatic pressure caused by casting freshly mixed concrete or other cementicious material into vertical forms. Reducing the hydrostatic pressure in forms enables relatively weak materials to be used as form boards and minimizes the amount of bracing necessary to support the form boards—both of which lead to lower construction costs. The method uses the highly thixotropic properties of no-slump or low-slump concrete which enable the concrete to be quickly changed from a semi-solid state to a liquid and back to a semi-solid state numerous times before it hardens and without affecting the concrete's quality. Since hydrostatic pressure is only present when a liquid state exists, minimizing the amount of liquid concrete in vertical forms will also minimize the hydrostatic pressure present. Full Article
on Edge form system for forming simulated stone coping By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST An edge form system has a molded liner and a form board. The molded liner has a textured imprinting on the inner surface for forming a simulated stone coping and a first interlocking element. The form board has a base for mounting the form board on a vertical structure, a coping support wall, a liner receiver, and a second interlocking element for interlocking with the first interlocking element. Full Article
on Device for regulating deformations of the bed of a geometrically aerodynamic mold and molding method with this device By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST The invention describes a regulating device that adapts to the aerodynamic profile of a mold bed made of composite material offsetting the geometrical deviations occurring in the mold bed. The device comprises some stiffening ribs (20) supported on a surface of the bed (10) of the mold and is equipped with actuators (21) that modify the curvature of the bed (10) of the mold. Full Article
on Arcuate concrete form and system for forming arcuate concrete flatwork By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A fixed form suitable for use in framing concrete with arches is described as is an adjustable form and a system for forming concrete. The fixed form has an arch with a fixed radius terminating at arch ends. At least one frame element is attached to the arch wherein the frame element terminates at an arch end at a frame face and the frame face is perpendicular to a tangent of the arch at the arch end. The adjustable form has an adjustable radius. Full Article
on Concrete sideform system By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A concrete side form system suitable for factory casting or site casting concrete. The side form includes a substantially rigid longitudinally extending wall. The wall has a first face to define the edge profile of a concrete panel poured onto a casting bed bounded by the wall and a second face opposite the first face having formation to enable the wall to be secured to the casting bed. The wall includes a longitudinally extending frame having formation along at least one of its edges to removably receive a removable longitudinal insert to provide a shape along an edge of the concrete panel. The removable inserts provide the system with the ability to simply, easily and cost effectively change the edge profile of concrete poured against the side form. Full Article
on Process and apparatus for demolding and palletizing cast concrete blocks By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A method for demolding concrete blocks which are cast in a resilient mold supported in a rigid frame, the mold having a top surface and at least one cavity with an opening on the top surface, which cavity holds a cured cast concrete block. The mold has two opposing edges. The demolded blocks are stacked on a collection surface. A support is positioned over the cavity and the mold, the support and the frame are inverted and positioned in demolding apparatus. After two opposing edges of the mold are engaged by the demolding apparatus, the support is withdrawn to allow the mold to sag. The blocks may release from the mold and fall onto the collection surface. If any blocks remain in the mold, a plunger mechanism is pushed against the sagging mold to release the blocks. Guide members may facilitate positioning the blocks on the collection surface. Full Article
on Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT Provided are a polycrystalline silicon ingot casting mold and a method for producing a polycrystalline silicon ingot casting mold, with which high-quality silicon ingots can be obtained at high yields by minimizing sticking with the surfaces of the silicon ingot casting mold, and losses and damages that occur when solidified silicon ingot is released from the mold. The method for producing a polycrystalline silicon ingot casting mold having a release layer, including: forming a slurry by mixing a silicon nitride powder with water, coating the surface of the mold with the slurry, and heating the mold at 400 to 800° C. in an atmosphere containing oxygen, after coating the slurry. Full Article
on Exterior wall forms with core walls for the rapid manufacturing of concrete modular housing units By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A system for accelerated manufacturing of concrete modular housing units including a first deck platform including a plurality of exterior movable wall forms. A second deck platform including a plurality of exterior movable wall forms. A first concrete slab is placed on the first deck platform. At least one core including a plurality of core walls placed on the first concrete slab. The exterior movable wall forms of the first deck platform are positioned proximate the core walls to define a wall space there between configured to receive wet concrete and create a first concrete modular housing unit. A second concrete slab is placed on the second deck platform. Wet concrete in the wall space is allowed to set a until it is partially cured and then the at least one core is removed from the first concrete slab and placed on the second concrete slab such that the at least one core can be reused one or more times during a predetermined amount of time to create a least a second concrete modular housing unit while the first concrete modular housing unit is still curing. Full Article
on Method of making housing components By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A housing component system having fiberglass resin forms secured in place with a binder such as cement. The forms may have a variety of forms and once secured with the cement will be strong avoiding the need for any reinforcement components such as reinforcing bar (rebars) of metal mesh. Full Article
on Early-stripping formwork system for concreting of constructions comprising beams, slab and columns By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT An early-stripping formwork system for concreting of constructions comprising beams, slab and columns comprises several rectangular standard formworks (1), props with multiple early-stripping support mechanisms (2), several filler beams (3) and filler panels. The standard formwork (1) consists of a panel (11) and a formwork frame (12), and the formwork frame (12) is provided with L-shaped corners (121) at its four corners. Each of the early-stripping prop (2) consists of an upper support inner tube (21) and a lower support tube (22) which form a telescopic connection, a rectangular head plate (23) is disposed at the top end of the upper support inner tube (21), one corner of the head plate (23) fits an internal corner of any one of the L-shaped corners (121) on the formwork frame (12). A load-releasing mechanism (24) is connected between the upper support inner tube (21) and the lower support outer tube (22). An early stripping mechanism (25) for early stripping of the standard formwork (1) is disposed on the upper support inner tube (21), short posts (251) for supporting the formwork frame (12) are disposed at four corners of the early stripping mechanism (25), and a structure for preventing the formwork frame (12) from slipping outwards is formed between the short post (251) and the L-shaped corner (121). The formwork frame (12), the filler panel, the filler beam (3), and a bridge beam (4) may be all in a detachable combined structure. In the formwork system, transport and storage of the formwork are convenient, and manufacturing cost is reduced. Full Article
on Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A polycrystalline silicon ingot casting mold, and method for producing same. Mold release material being obtained by blending a silicon nitride powder (A) having an average particle diameter along the short axis of 0.6 to 13 μm with a silicon nitride powder (B) having an average particle diameter along the short axis of 0.1 to 0.3 μm at a weight ratio of 5:5 to 9:1; coating the mold surface with the slurry; and a heating the mold at 800 to 1200° C. in an atmosphere containing oxygen. Full Article
on Tie system for forming poured concrete walls over concrete footings By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A tie system and method for forming a wall from a hardenable building material. In one embodiment, the tie system includes multiple ties configured to be directly interconnected into a vertically extending tie stack such that multiple tie stacks can be positioned over a footing in a spaced apart arrangement. The multiple tie stacks are configured to extend substantially perpendicular between substantially parallel panel structures. Each tie stack includes one or more base members and one or more wall ties, each of which directly attach to each other in a vertically stacked arrangement. Full Article
on Method for producing a wood wool construction element, a construction element obtained therewith and a production facility therefore By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A method for producing a wood wool construction element. This method comprises the steps of dispersing at least a part of a mixture of wood wool and a hydraulic binder in a mold so as to obtain a layer of the mixture with a height that is less than the height of side walls of said mold. Said mixture is at least partially hardened after which a subsequent layer of mixture is provided. The thickness of a construction element may well exceed 30 cm, for example 40 cm, 50 cm or even 60 cm. Also, an element obtained with such method is described, as well as a production facility. Full Article
on Archery bow axle connector By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT In some embodiments, a connector attaches to an axle of an archery bow and comprises a cable terminal. The connector comprises a first body portion made from a first material and a second body portion made from a second material different from the first material. The first body portion defines an aperture therethrough arranged to engage the axle. The second body portion has a groove extending around at least a portion of its periphery, forming a teardrop shape. In some embodiments, the connector is configured to snap-fit onto an axle and be removable without tools. Full Article
on Electronically adjusted bowsight By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A sight and range finder for a projectile launching device are disclosed. The range finder calculates a range between a target and a projectile launching device, and transmits a signal indicative of the range. The sight visually aligns the target with the projectile launching device. A drive assembly moves an alignment member of the sight, and at least one processor receives the signal and actuates the drive assembly to move the alignment portion a selected distance based on the range. Full Article
on Adjustable mechanical vibration limiting and absorbing apparatus By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT An adjustable mechanical vibration limiting and absorbing device for an archery bow including a hollow housing and two groups of elastomer washers provided in the hollow housing with a means for preventing the first group from advancing out of the hollow housing and separating the first group from the second group. In addition, a fastener extends through the center of the first and second groups of elastomer washers and a lock nut and weight are provided on the projecting end of the fastener. Full Article
on Method and apparatus for managing ammunition dispensing from a magazine using a flexible projectile control bar By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A double-magazine (“Dmag”) able to house projectile ammunition for a projectile launcher having a first ammunition channel, a second ammunition channel, and a flexible projectile control bar (“FPCB”) is disclosed. In one embodiment, the first ammunition channel contains a first set or column of projectiles and the second ammunition channel which is situated in parallel to the first ammunition channel is configured to house a second set of projectiles. Dmag also includes a follower with a follower lock capable of moving along the first ammunition channel. The follower is configured to push the first set of projectiles toward a first ammunition supply port of the first ammunition channel. The FPCB has a first flexible flap which keeps the first set of projectiles from reaching the loading port of the launcher until the follower lock is released. Full Article
on Three dimensionally fiber-reinforced composite riser and methods of making the same By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT The present invention relates to a three dimensionally fiber-reinforced riser and to the unitary or single-step methods of making the same. In one embodiment (a cross bow riser for example), the riser has an interior support with opposed side members and a front brace. The front brace has a depression centrally located therein. Two side ribs are also provided for structural support. Two pockets each optionally having a divider wall defining a top and bottom section are provided for receiving respective top and bottom pieces of a split limb, when a split limb is used. The riser can be made of a composite material having fibers aligned there within in the directions of the highest stresses for enhancing the structural strength of the riser. Other bow parts or components can likewise be made via composite material as well. Full Article
on Water balloon launching cannon and associated methods By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A water balloon launching cannon is disclosed. The water balloon launching cannon includes a slotted barrel for rapid and easy loading and uses compressed air as the propelling force for firing the water balloon. Namely, the water balloon launching cannon includes an I-beam support upon which is mounted an air delivery system and the slotted barrel. For ease of disassembly, (1) the air delivery system includes quick-release mechanisms and (2) a plunger assembly inside the barrel is held by an easily removable pin. Further, a method of operating and a method using the water balloon launching cannon are disclosed. Full Article
on Archery bow vibration dampening and balancing device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An archery bow vibration dampening and balancing device is attachable to an archery bow by means of an elongated clamp with a housing pivotably interconnected to the elongated clamp opposite the attachment point. A vibration dampening and balancing device is secured in an opening formed in the housing. Full Article
on Vibration dampened barrel for a crossbow By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A vibration dampened barrel for a crossbow preferably includes at least two vibration dampening chambers, which extend at least a portion of a length of the vibration dampened barrel. The at least two vibration dampening chambers are at least partially filled with a vibration dampening material, such as silicone, rubber, low density foam, high density foam, or any other suitable material that absorbs noise and or vibration. The vibration dampening material is preferably applied by injection, compression, spray, pouring or any other suitable method. The vibration dampening material is retained in the at least two vibration dampening chambers by curing or hardening; mechanically confinement including the use of fasteners or a plug; or with any other suitable method. The at least two vibration dampening chambers may be partially or fully filled. The vibration dampening material may also be placed on a surface inside an extruded barrel. Full Article
on High-precision revolving center By www.freepatentsonline.com Published On :: Tue, 31 Mar 1998 08:00:00 EST The invention relates to a high-precision revolving center (10) for machine tools. Prestressed bearings 40 and 45 are brought into abutment on the one hand against internal 33 and external 25 cylindrical surfaces whose deviation, at any point on the surface, with respect to the theoretical surfaces centered on the axis, is less than 1 μm, and on the other hand against reference surfaces 26 and 34 perpendicular to the axis. Threaded elements 50, 55 enable the bearings 40, 45 to be stressed. Once the center 10 has been assembled and the bearings stressed, the revolving center is mounted on a grinder in order to give a precision finish to the tip 90, the concentricity reference surface 91 and the perpendicularity reference surface 92. Full Article
on Positioning device for a driving shaft of a lathe chuck By www.freepatentsonline.com Published On :: Tue, 09 Mar 1999 08:00:00 EST A positioning device for a driving shaft of a lathe chuck includes a casing, a motor received in the casing with a driving shaft of the motor extending through a first end and a second end of the casing, and a disk disposed to the first end of the casing and threadedly mounted to the driving shaft. The disk has at least one hole defined therethrough and the first end of the casing has a plurality of holes defined therethrough so that a pin is removably extending through the hole in the disk and received in one of the holes in the first end of the casing to position the driving shaft to which the lathe chuck is connected. Full Article
on Tenon cutter By www.freepatentsonline.com Published On :: Tue, 21 Dec 1999 08:00:00 EST A rotating tenon cutter having a wooden or aluminum body and a curved cutter blade positioned adjacent to a throat having a bell mouth with a matching curve. A cylindrical tenon is formed with an attractive shoulder that curves from the tenon to the largest cross-sectional dimension of the work piece on the same radius as the cutter blade. A bubble level vial in the body indicates when the axis of rotation (and axis of the tenon to be formed) is horizontal. The cutter blade is repositionable on the body so that the bevel is appropriately presented for sharpening using a drum sander while the face or a flat side of the tenon cutter body rests on a drill press table. Full Article
on Tailstock assembly mountable on a machine By www.freepatentsonline.com Published On :: Tue, 25 Jul 2000 08:00:00 EDT A tailstock assembly mountable on a machine tool and cooperable with a headstock assembly for retaining a workpiece inbetween. Full Article
on Miniature tenon cutter By www.freepatentsonline.com Published On :: Tue, 08 Aug 2000 08:00:00 EDT A miniature tenon cutter having an aluminum body and a flat cutter blade positioned adjacent to a throat having a funnel mouth utilizing a gauge to assist in establishing cutter blade position. The tenon cutter is used with an electric drill motor, and it forms a cylindrical tenon with a sloping shoulder. Full Article
on Method for forming an emulsion explosive composition By www.freepatentsonline.com Published On :: Tue, 05 Sep 2000 08:00:00 EDT The invention relates to methods for forming an emulsion explosive composition and to methods for sensitizing an emulsion explosive composition. The methods involve the in-situ expansion of organic microspheres during the formation of the emulsion explosive composition. Full Article
on Cutting tool and method of use for catching chips and debris during turning operations By www.freepatentsonline.com Published On :: Tue, 14 Nov 2000 08:00:00 EST A cutting tool for cutting a work piece and catching debris during turning operations is described herein. The cutting tool comprises a tubular cutting member having first and second ends, the first end having a sharpened edge, and a debris receiving means connected to the second end. The tubular cutting member may have a number of different cross-sections providing a number of different cutting tool configurations for use in turning operations. The debris receiving means may further include a flexible hose having a first hose end and a second hose end, wherein the first hose end is connected to the second end of said tubular cutting member. The hose may be connected to a vacuum source to more effectively collect debris generated during turning operations. The tubular cutting member could be made in a range of sizes from one quarter inch to two inches in diameter, with a nominal tube length of from three inches to twenty inches, or even larger where needed. Both ends of the tubular cutting member could be sharpened, and reversed in the holder when one end is dull. Full Article
on Wood lathe with an output shaft and an output shaft-driving source that are disposed respectively on two ends of a table By www.freepatentsonline.com Published On :: Tue, 17 Jun 2003 08:00:00 EDT A wood lathe includes first and second seats disposed respectively and fixedly on two ends of a table. A first driving device includes a motor disposed on the second seat, an outer tube fixed between the first and second seats, and a rotating inner rod journalled within the tube and connected to the motor by a belt and pulley unit. An output shaft is journalled on the first seat, and is provided with a fixed first clamping element. A second clamping element is disposed adjacent to the second seat so as to clamp a workpiece between the first and second clamping elements. A second driving device is disposed within the first seat, and interconnects the shaft and the rod to transfer rotation of the rod to the shaft, thereby rotating the workpiece. Full Article
on Visual system for programming of simultaneous and synchronous machining operations on lathes By www.freepatentsonline.com Published On :: Tue, 25 May 2004 08:00:00 EDT A system and method allows visual programming of simultaneous and synchronous machining operations on multi-axis lathes. The system and method accounts for different combinations of simultaneous and synchronized lathe operations on the spindles which can utilize multiple tools. A graphic synchronization icon is assigned to each mode that preferably represents the lathe operation. Appropriate synchronous operations are grouped together in synchronization groups. The system and method are universal since a postprocessor processes the synchronization modes and synchronization groups, and translates them for use with computer programs understood by a particular CNC lathe. Full Article
on Device to produce round cross-section articles with complicated profiled surfaces By www.freepatentsonline.com Published On :: Tue, 07 Feb 2006 08:00:00 EST A lathe attachment device is disclosed for producing long articles with complicated profiles. The device contains a beveled multi-teeth cutter driven to rotate in a direction opposite the rotation of a billet to ensure a very short period of contact time between an individual cutting tooth and the article. The cutter is slightly tilted towards the billet in both horizontal and vertical plane. The teeth of the cutter are shaped to each have a pointed end facing the rough part of the billet. Provisions are made to draw the cutter along the billet. The device allows producing a smooth finished long article with complicated surface profile in a single pass with high productivity. Due to limited contact time, it offers extended life of the cutter. The device is used most advantageously to produce long wood articles. Full Article
on Coaxial and concentric cutting machine and a method for use thereof By www.freepatentsonline.com Published On :: Tue, 04 Jul 2006 08:00:00 EDT A concentric coaxial cutting machine which cuts cylinders, cylindroids or cones using a chain saw from a single larger object such as a wood tree trunk, a block of ice or a block of plastic. An embodiment of the invention comprises a transverse support member having directly or indirectly mounted thereon; a headstock member including; a headstock spindle member mounted to said headstock member including; a drive spindle rotationally mounted to said headstock spindle member and adapted to rotationally retain one end of an object to be centrically cut; a tailstock member including; a tailstock spindle member mounted to said tailstock member including; a tailstock spindle rotationally mounted to said tailstock spindle member and adapted to retain an opposite end of the object; a drive assembly in rotational communication with the drive spindle and adapted to rotate said drive spindle around a common axis with said tailstock spindle; and, a first chain saw variably aligned at an angle to said common axis and adapted to concentrically cut the object from at least the opposite end. Full Article
on Small handle production method and apparatus By www.freepatentsonline.com Published On :: Tue, 14 Jun 2011 08:00:00 EDT A way of making small, fragile, decorative handles on a lathe is disclosed along with tools for gluing pen-tubes into these handles is shown. Use of these tools and methods of use allows wood turners to avoid excessive rework and mess associated with the gluing process of making pen blanks while assuring better product due to more complete and uniform distribution of the adhesive layer. Full Article
on Electron emission element, electron emission device, charge device, image forming device, electron radiation curing device, light-emitting device, image display device, blower device, cooling device, and manufacturing method for electron emission element By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An electron emission element (1) includes an electrode substrate (2) and a thin film electrode (3), and emits electrons from the thin film electrode (3) by voltage application across the electrode substrate (2) and the thin film electrode (3). An electron accelerating layer (4) containing at least insulating fine particles (5) is provided between the electrode substrate (2) and the thin film electrode (3). The electrode substrate (2) has a convexoconcave surface. The thin film electrode (3) has openings (6) above convex parts of the electrode substrate (2). Full Article
on Ignition plug and ignition apparatus By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A technique for lowering power loss involved in supply of high-frequency electric power to an ignition plug. The ignition plug includes a tubular insulator having an axial bore extending therethrough; a center electrode disposed in the axial bore; a metal terminal disposed rearward of the center electrode in the axial bore, electrically connected to the center electrode, and supplied with high-frequency electric power from an external source; a metallic shell disposed to circumferentially surround the insulator; and a ground electrode electrically connected to the metallic shell and adapted to generate plasma in cooperation with the center electrode through supply of high-frequency electric power to the metal terminal. At least a portion of the inner surface of the axial bore is coated with metal coating. The center electrode and the metal terminal are in electrical contact with the metal coating. Full Article
on Interface and fabrication method for lighting and other electrical devices By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Interfaces for electrical (e.g., lighting) devices involve use of electrically conductive edge contacts arranged on or protruding from edges of printed circuit boards (PCBs) that provide or facilitate electrical connections to first and second externally accessible electrical contacts, such as may include threaded and foot contacts of a lighting device including a screw-shaped male base. First and/or second edge contacts of a PCB may protrude through first and second openings in a housing to form first and second externally accessible contact, or directly engage first and second externally accessible contact elements associated with (e.g., retained by) the housing. A contact element retained by a housing may define a slot in the interior of the housing to directly engage an edge contact of the PCB. Electric power is supplied to the PCB via edge contacts without need for intervening wires or soldered connections. Full Article
on Magnetically adjusting color-converting materials within a matrix and associated devices, systems, and methods By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Magnetically adjusting color-converting particles within a matrix and associated devices, systems, and methods are disclosed herein. A magnetic-adjustment process can include applying a magnetic field to a mixture including a non-solid matrix and a plurality of color-converting particles (e.g. magnetically anisotropic color-converting particles). The magnetic field can cause the plurality of color-converting particles to move into a generally non-random alignment (e.g., a generally non-random magnetic alignment and/or a generally non-random shape alignment) within the non-solid matrix. The non-solid matrix then can be solidified to form a solid matrix. A magnetic-adjustment process can be performed in conjunction with testing and/or product binning of solid-state radiation transducer devices. For example, a position, direction, strength, or duration of a magnetic field used to perform a magnetic-adjustment process can be controlled according to optical output collected from a solid-state radiation transducer device. Measuring the optical output and performing the magnetic-adjustment process can be at least partially concurrent. Full Article
on Solid state light emitting devices including adjustable melatonin suppression effects By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Solid state light emitting devices include multiple LED components providing adjustable melatonin suppression effects. Multiple LED components may be operated simultaneously according to different operating modes according to which their combined output provides the same or similar chromaticity, but provides melatonin suppressing effects that differ by at least a predetermined threshold amount between the different operating modes. Switching between operating modes may be triggered by user input elements, timers/clocks, or sensors (e.g., photosensors). Chromaticity of combined output of multiple LED components may also be adjusted, together with providing adjustable melatonin suppression effects at each selected combined output chromaticity. Full Article
on Electronic device comprising an organic semiconducting material By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention relates to an electronic device comprising at least one organic semiconducting material according to the following formula (I): wherein R1-4 are independently selected from H, halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, Ar is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, and R5 is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, H, F or formula (II). Full Article
on Carbazole derivative, light-emitting element material, light-emitting element, light-emitting device, electronic device, and lighting device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A carbazole derivative represented by the general formula (1) is provided. In the formula, Ar1 represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; α and β independently represent a substituted or unsubstituted arylene group having 6 to 12 carbon atoms which form a ring; R1 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; and R11 to R17 and R21 to R28 independently represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring. Full Article
on Capacitive transparent conductive film and preparation method thereof By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A capacitive transparent conductive film comprises: a transparent substrate, comprises a first surface and a second surface which is opposite to the first surface; a light-shield layer, formed at the edge of the first surface of the transparent substrate, the light-shield layer forms a non-visible region on the first surface of the transparent substrate; and a polymer layer, formed on the first surface of the transparent substrate, and covering the light-shield layer, the surface of the polymer layer is patterned to form a meshed trench, the trench is filled with conductive material to form a sensing region on the surface of the polymer layer. The capacitive transparent conductive film can effectively protect the conductive material and has low cost and good conductivity. A preparation method of the capacitive transparent conductive film is also provided. Full Article
on Organic EL element having at least one organic light-emitting layers formed of a mixture containing a polymer material and method for manufacturing the organic EL element By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT To form stabilized organic light-emitting medium layers using the relief printing method and to provide an organic EL element excellent in terms of pattern-forming accuracy, film thickness uniformity and light-emitting characteristics, a substrate 2, first electrode layers 3 provided on the substrate 2, organic light-emitting medium layers 5 which are provided on the first electrode layers 3 and emit light when electrically connected, and second electrodes 6 which are provided on the organic light-emitting medium layers 5 and make the organic light-emitting medium layers 5 electrically connected when voltage is applied between the first electrodes 3 and the second electrodes are provided. In addition, at least one of the organic light-emitting medium layers 5 is formed of a mixture containing a polymer material having a weight-average molecular weight in a range of 1.5 million to 25 million and at least one low molecular material having a non-repetitive structure. Also, the mixing ratio between the polymer material and the low molecular material is set in a range of 0.05:1 to 0.5:1 in terms of weight ratio. Full Article
on Semiconductor light emitting device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer, a light emitting layer, a second semiconductor layer, a p-side electrode, a plurality of n-side electrodes, a first insulating film, a p-side interconnect unit, and an n-side interconnect unit. The p-side interconnect unit is provided on the first insulating film to connect to the p-side electrode through a first via piercing the first insulating film. The n-side interconnect unit is provided on the first insulating film to commonly connect to the plurality of n-side electrodes through a second via piercing the first insulating film. The plurality of n-side regions is separated from each other without being linked at the second surface. The p-side region is provided around each of the n-side regions at the second surface. Full Article
on Control of lumen loss in a liquid-filled LED bulb By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A liquid-filled light emitting diode (LED) bulb including a base, a shell connected to the base forming an enclosed volume, a thermally conductive liquid held within the enclosed volume, a support structure connected to the base, and several LEDs attached to the support structure. The thermally conductive liquid has an oxygen content of at least 5 cubic centimeters of oxygen per liter of the thermally conductive fluid. Full Article
on Corona igniter having shaped insulator By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A corona igniter (20) for emitting a radio frequency electric field and providing a corona discharge (24) includes a central electrode (22) at a positive voltage, a grounded metal shell (30), and an insulator (28) with an abruption (34) extending radially outward relative to the central electrode (22). The abruption (34) is typically an increase of at least 15% of a local thickness (t) of the insulator (28) over less than 25% of a nose length (el) of an insulator nose region (74). The abruption (34) is typically one flank (82) of a protrusion or a notch, and the flank (82) faces the shell (30). The abruption (34) reverses the electric field and voltage potential gradient along the insulator outer surface (32), repels charged ions away from the insulator (28), and thus prevents the formation of a conductive path between the central electrode (22) and the shell (22). Full Article
on Spark plug for internal combustion engine and method of manufacturing the same By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT In a spark plug, a center electrode includes a base member and a discharge chip that has a higher melting point than the base member. The base member and the discharge chip are joined to each other by both a weld and a diffusion layer. The weld is formed, by fusion welding, along an outer periphery of an interface between the base member and the discharge chip into an annular shape. The weld is made up of those parts of the base member and the discharge chip which are molten and mixed together during the fusion welding and solidified after the fusion welding. The diffusion layer is formed radially inside the annular weld. The diffusion layer is made up of those parts of the base member and the discharge chip which are diffused into each other across the interface between the base member and the discharge chip. Full Article
on Reflective anode structure for a field emission lighting arrangement By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention relates to a field emission lighting arrangement, comprising a first field emission cathode, an anode structure comprising a phosphor layer, and an evacuated envelope inside of which the anode structure and the first field emission cathode are arranged, wherein the anode structure is configured to receive electrons emitted by the first field emission cathode when a voltage is applied between the anode structure and the first field emission cathode and to reflect light generated by the phosphor layer out from the evacuated chamber. Advantages of the invention include lower power consumption as well as an increase in light output of the field emission lighting arrangement. Full Article
on Production machine having an operating state warning light device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A production machine (12) is proposed, in particular a machine tool or the like, having a machine housing (13) for at least partially enclosing the production machine (12) and having an operating state warning light device (1) for the optical display of at least one operating state of the production machine (12), in particular of multiple different operating states, wherein at least one warning light element (1) is provided, which is implemented as a light-emitting diode (1) and has a warning light surface, wherein the warning light element (1) is arranged on a carrier layer, wherein the warning light element (1) has at least one luminescent layer, which emits a warning light and is arranged between a first and a second electrode, in particular a cathode and an anode, wherein better perceptibility is achieved than in the prior art. This is achieved according to the invention in that the machine housing (13) at least comprises the warning light element (1), and in that the electrode surfaces of the electrodes substantially correspond to the warning light surface of the warning light element (1), and in that at least one of the electrodes is light-transmitting and/or transparent. Full Article
on Self-light emitting display unit and electronic device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A self-light emitting display unit capable of improving manufacturing yield is provided. Sizes of color pixel circuits corresponding to pixels for R, G, and B are respectively set unevenly within a pixel circuit according to a magnitude ratio of drive currents which allow color self-light emitting elements in the pixel to emit with a same light emission luminance. Thereby, the pattern densities of color pixel circuits respectively corresponding to the pixels for R, G, and B become even to each other, and the pattern defect rate as the whole pixel circuit is decreased. Full Article
on Light-emitting element, light-emitting device, and electronic device including first and second light-emitting units By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The light-emitting element of the present invention includes a light-emitting layer and a layer for controlling movement of carriers between a pair of electrodes. The layer for controlling movement of carriers includes a first organic compound having a carrier transporting property and a second organic compound for reducing the carrier transporting property of the first organic compound, and the second organic compound is dispersed in the first organic compound. The layer for controlling movement of carriers is provided in such a manner, whereby change in carrier balance with time can be suppressed. Therefore, a light-emitting element having a long lifetime can be obtained. Full Article