Patent application number | Description | Published |
20090108235 | Semiconductor-Nanoparticle-Dispersed Small Glass Particles and Process for Preparing the same - The present invention provides semiconductor-nanoparticle-dispersed small silica glass particles that emit bright fluorescent light with high fluorescence quantum yield and high density, compared to the conventional semiconductor-nanoparticle-dispersed small glass particles, and that have excellent fluorescence intensity stability over time; and a process for preparing the same. The semiconductor-nanoparticle-dispersed silica glass particles have a mean particle size of not less than 10 nanometers and not more than 5 micrometers, and contain a hydrolyzed alkoxide and semiconductor nanoparticles at a concentration of not less than 2×10 | 04-30-2009 |
20100129455 | NANOPARTICLE-DISPERSED FINE GLASS BEADS HAVING A CAVITY THEREIN, AND METHOD OF PRODUCING THE SAME - The present invention provides fine silicon-containing glass beads each having one or more cavities therein and containing nanoparticles in a glass phase of each of the silicon-containing glass beads, and a method of producing such glass beads, and also provides silicon-containing glass beads containing nanoparticles, which may be identical to or different from the nanoparticles in the glass phase, and a functional material such as pharmaceutical molecules (e.g., materials having fluorescent properties, magnetic properties, drug effects, etc.), and a method of producing such glass beads. | 05-27-2010 |
20100252778 | NOVEL NANOPARTICLE PHOSPHOR - An object of the present invention is to reduce the incompleteness of the surface state due to lattice constant and steric hindrance, which was heretofore nearly unavoidable, in the surface treatment of light-emitting semiconductor nanoparticles. The present invention provides an excellent luminescent material that has enhanced photoluminescence efficiency, reduced photoluminescence spectrum width, and increased chemical resistance. Specifically, the present invention provides a luminescent material comprising semiconductor nanoparticles having a mean particle size of 2 to 12 nm and a band gap of 3.8 eV or less, each of the semiconductor nanoparticles being coated with a silicon-containing layer, the semiconductor nanoparticles in the luminescent material having a peak emission wavelength 20 nm or more towards the longer-wavelength side than the peak emission wavelength of the semiconductor nanoparticles alone. | 10-07-2010 |
20100295016 | FLUORESCENT FIBER CONTAINING SEMICONDUCTOR NANOPARTICLES - The present invention provides a luminescent fiber, which retains a certain shape with assembled nanoparticles, and a method for producing the luminescent fiber. Specifically, the present invention provides a luminescent fiber comprising silicon and semiconductor nanoparticles having a mean particle size of 2 to 12 nm, the luminescent fiber having a diameter of 20 nm to 2 μm, a length of 40 nm to 500 μm, an aspect ratio of 2 to 1,000, and photoluminescence efficiency of not less than 5%. | 11-25-2010 |
20140082946 | SCISSORS - Provided are scissors with excellent safety that can more reliably prevent finger pinch when being closed. In the present invention, finger pinch prevention guards | 03-27-2014 |
Patent application number | Description | Published |
20100044190 | HOISTING AND LOWERING DRIVING ENGAGEMENT MULTI-ROW CHAIN - Aspects of the invention provide a hoisting and lowering driving engagement multi-row chain in which the weight of the chain is balanced across the chain width direction so as to improve the load balance. This allows the weight of articles to be hoisted and lowered more stably hoisted and at higher positions, and results in an improvement of endurance of the chain, reduction of driving noise, miniaturization of the chain size, while the biasing or deflecting of intermediate tooth plates and inner tooth plates in the chain width direction is suppressed. | 02-25-2010 |
20100223901 | LIFT-DRIVING ENGAGEMENT CHAIN - A lift-driving engagement chain capable of improving buckling strength of a pair of lift-driving engagement chains, by modifying the buckling restricting flat surfaces in order to suppress the force which causes a relative slippage along buckling restricting flat surfaces between hooked inner tooth plates and outer tooth plates that contact each other through the buckling restricting flat surfaces. | 09-09-2010 |
20120167542 | LIFTING ENGAGEMENT CHAIN UNIT - There is provided a lifting engagement chain unit that autonomously erects a pair of engagement chains, ensures engagement accuracy between link plates and improves buckling strength. A plurality of buckling restricting attachment plates is arrayed along an outer surface of the engagement chains in a chain longitudinal direction. | 07-05-2012 |
20150080161 | Bearing Roller Chain - A bearing roller chain includes a tubular bush configured to interconnect link plates facing each other, a tubular metal-made roller through which the bush is inserted, a plurality of metal-made anti-friction rollers arranged between an inner circumferential surface of the roller and an outer circumferential surface of the bush, and annular nonmetallic restraint members fitted into openings at the opposite ends of the roller in an axial direction, with the bush inserted through the restraint members, the restraint members configured to restrain axial direction movement of the plurality of anti-friction rollers. | 03-19-2015 |
Patent application number | Description | Published |
20120091907 | LIGHTING CIRCUIT FOR LIGHTING LED, LAMP AND LIGHTING DEVICE - A lighting circuit that receives power from an alternating-current power supply | 04-19-2012 |
20120153854 | LIGHTING CIRCUIT, LAMP, AND ILLUMINATION APPARATUS - A lighting circuit that is for a lamp including an LED as a light source and that includes a resonant circuit that can be designed with ease. A lighting circuit | 06-21-2012 |
20120299479 | LAMP - There is provided a lamp capable of informing a user that the LED lamp is at the end of its productive life and urging the user to replace the lamp reliably with a simple configuration. The lamp includes: a light emitting diode ( | 11-29-2012 |
20140035486 | LIGHTING DEVICE, LIGHTING FIXTURE, LAMP, AND SOUND EMISSION PREVENTION METHOD - A lighting device including: a lighting circuit; a drive circuit; a dimmer control circuit; and an LPF, the drive circuit for increasing on-time as a pulse height increases when an inputted PWM signal satisfies a first condition where a pulse height is greater than a first threshold and less than a second threshold greater than the first threshold, and making the on-time for which a switching element is on when the switching element turns on and off once in a burst period, constant in a second condition where the height pulse is greater than the second threshold, the LPF generating a smoothed | 02-06-2014 |
20140340190 | WIRELESS CONTROL SYSTEM - In a lighting system, each lamp has a wireless circuit that realizes: a time measuring unit measuring the elapsed time period since the lamp is turned on by a wall switch; a specifying unit specifying a plurality of electrical devices wired to the wall switch according to the elapsed time period measured by each time measuring unit; an identification information assigning unit assigning same identification information to the plurality of lamps specified by the specifying unit as being wired to the same wall switch; and a registration unit registering a Net-ID of a remote control. | 11-20-2014 |
20140368115 | LIGHTING DEVICE, METHOD OF CONTROLLING THE SAME, AND LIGHTING SYSTEM - A lighting device which includes: a light source; a receiving unit which receives a control signal from outside the lighting device via wireless communication; and a control unit which causes the light source to emit light according to the control signal received by the receiving unit. When the receiving unit receives, from the outside the lighting device via the wireless communication, a test signal different from the control signal and for determining a state of the wireless communication, the control unit calculates a packet error rate of the test signal received by the receiving unit and causes the light source to emit light such that an emission state is changed according to a communication quality of the wireless communication determined based on at least the calculated packet error rate. | 12-18-2014 |
Patent application number | Description | Published |
20080272696 | Plasma Display Panel - A plasma display panel has a first substrate, plural pairs of display electrodes, a second substrate, and plural data electrodes. Each pair of the display electrodes is made up of a scanning electrode and a sustain electrode which are arranged parallel to each other on the first substrate. The second substrate is disposed opposite to the first substrate. A discharge space is formed between the first substrate and second substrate. The data electrodes are arranged in a direction perpendicular to the display electrodes on the second substrate. The data electrode is wider in peripheral portion of the second substrate than in a central portion of the second substrate. | 11-06-2008 |
20090278821 | PLASMA DISPLAY DEVICE - A plasma display device includes an AD converter; a video signal processing circuit producing subfield data; a subfield processing circuit producing control signals of each of drive circuits; a plasma display panel having scan electrodes and sustain electrodes which are alternately arranged in n rows, and data electrodes in (k+m) columns arranged in a direction of intersecting with the scan and sustain electrodes; a scan-electrode drive circuit for driving scan electrodes; a sustain-electrode drive circuit for driving sustain electrodes; and a data-electrode drive circuit which has a first drive circuit for driving data electrodes and a second drive circuit for driving data electrodes, and applies writing pulse voltage in order from a data electrode group nearest to the scan-electrode drive circuit. | 11-12-2009 |
20090284510 | AC PLASMA DISPLAY PANEL DRIVING METHOD - In a method of driving an AC plasma display panel of the present invention, one field period is made of a plurality of sub-fields (SFs), each including an initializing period, writing period, and sustaining period, and a part of sustaining operation in the sustaining period in at least one of the plurality of SFs and a part of selective initializing operation in the initializing period in a SF following the at least one SF are performed at the same time. The method comprises making a pulse width of a top sustain pulse in one of the sustaining periods in the plurality of SFs different from that in another of the sustaining periods therein. This method limits the SFs in which any erroneous discharge occurs to lower order of SFs and can inhibit the brightness of the erroneous discharge. | 11-19-2009 |
20120146974 | PLASMA DISPLAY PANEL - A plasma display panel has a first substrate, plural pairs of display electrodes, a second substrate, and plural data electrodes. Each pair of the display electrodes is made up of a scanning electrode and a sustain electrode which are arranged parallel to each other on the first substrate. The second substrate is disposed opposite to the first substrate. A discharge space is formed between the first substrate and second substrate. The data electrodes are arranged in a direction perpendicular to the display electrodes on the second substrate. The data electrode is wider in peripheral portion of the second substrate than in a central portion of the second substrate. | 06-14-2012 |
Patent application number | Description | Published |
20090033859 | Liquid Crystal Spacer, Spacer Diffusion Liquid, Liquid Crystal Display Device Manufacturing Method, and Liquid Crystal Display Device - It is the object of the present invention to provide: a liquid crystal spacer that can precisely control the interval of two substrates in producing a liquid crystal display apparatus, and can be firmly fixed to the surface of the substrate; a spacer dispersion that can precisely control the interval of two substrates in manufacturing a liquid crystal display apparatus, and can make spacer particles firmly fixed to the surface of a substrate and a spacer dispersion that can precisely dispose spacer particles at a predetermined position on a substrate, a method for producing a liquid crystal display apparatus; and a liquid crystal display apparatus. | 02-05-2009 |
20110201719 | ACTIVE ENERGY RAY-CURABLE COMPOSITION, ACTIVE ENERGY RAY-CURABLE COATING MATERIAL, AND MOLDED PRODUCT - The present invention provides an active energy ray-curable composition that provides a cued product with excellent abrasion resistance and facilitates formation of a molded product having a high-hardness surface layer formed thereon. The active energy ray-curable composition contains: an inorganic polymer obtainable by hydrolytic condensation of inorganic polymer components including a silane compound; a water-soluble polyfunctional (meth)acrylate; and an active energy ray polymerization initiator. The silane compound is represented by the formula (1): Si(R1) | 08-18-2011 |
20120219804 | LAYERED BODY - A layered body ( | 08-30-2012 |
20130236728 | LAMINATED BODY - A laminated body with surface layers having excellent abrasion resistance is disclosed. The laminated body is provided with a resin base material; a first layer laminated over at least part of the resin base material; and a second layer laminated on the second surface of the first layer opposite the first surface on which the resin base material is laminated. The first layer is formed by curing a first composition that contains: an inorganic polymer obtainable by hydrolytic condensation of inorganic polymer components including a silane compound represented by the following formula (1); | 09-12-2013 |