Abstract: An inflatable two-layer fabric including two separated fabric layers, woven at the same time using a weaving machine, and an attachment area having a weaving pattern attaching the two fabric layers such that an air leakage per unit length (measured at 2.5 k Pa) of the attachment area is less than 0.8 L/min/cm.

Abstract: A foam pump dispenser that has a prevention function against any reverse flow is disclosed, which comprises an air guide which is engaged at a lower side of the air and liquid mixing chamber of the piston cover member; a liquid leakage prevention spring which is located between the piston cover member and the piston member; and a liquid leakage prevention valve which is covered on the upper side of the liquid compression piston. The foam pump dispenser with the above construction is able to prevent a leakage of liquid, and is able to obtain a reliable fixed supply of air in a pump dispenser designed to properly mix liquid such as foaming cleanser, foam hand soap, shave foam, and hair mousse, etc. with air and to pump out in a foam shape.

Abstract: An airless dispensing pump container with an airtight nozzle head of a push down type capable of discharging a fixed amount of content is disclosed, in which a vacuum sealing function is enhanced in the whole structure of the present invention, and a content opening and closing plate of a content opening and closing valve member in the construction of a content discharge part of a nozzle head is automatically opened and closed, along with a reliable discharge of the content, and a reverse flow and leakage are prevented by improving a structure of a content pump piston which sucks and transfers the content. When a pump cylinder is slanted at a certain angle along with the content storing container or in case of a content having high viscosity, it is possible to improve the operation errors of the ball valve by providing an inventive structure of the ball valve support installed at a lower side of the stem.

Abstract: A foam pump dispenser that has a prevention function against any reverse flow is disclosed, which comprises an air guide which is engaged at a lower side of the air and liquid mixing chamber of the piston cover member; a liquid leakage prevention spring which is located between the piston cover member and the piston member; and a liquid leakage prevention valve which is covered on the upper side of the liquid compression piston. The foam pump dispenser with the above construction is able to prevent a leakage of liquid, and is able to obtain a reliable fixed supply of air in a pump dispenser designed to properly mix liquid such as foaming cleanser, foam hand soap, shave foam, and hair mousse, etc. with air and to pump out in a foam shape.

Abstract: The system and method of the present application is a microfluidic array system for biological, chemical and biochemical assessments including a microfluidic chip for reaction assays, wherein the microfluidic chip includes a control layer and a fluidic layer, wherein the control layer is pressurized through pneumatic or hydraulic means in order to control the flow of the reagents in the fluidic layer. The system and method of the present application further includes a method of fabricating such a microfluidic chip, and further a method for operating the same. Lastly, the system and method of the present application further includes a system for operating and analyzing the microfluidic array including a pressure source, a fluidic source, a biochip reader, and a processor configured to control the same.

Abstract: The present invention relates to an inflatable fabric, and more particularly to an inflatable fabric comprising two separated fabric layers which are woven at the same time using a weaving machine, and at least one an attachment area where a single layer of fabric is formed, wherein said attachment area is formed from at least a weave pattern of at least 13 yarns selected from the group consisting of a 2/2 basket weave pattern, a satin weave pattern, a partial attaching weave of a double layer weave pattern, and a combination thereof Since the attachment area of the inflatable fabric of the present invention comprises at least 13 yarns, air leakage can be minimized during inflation. Also, because sewing is unnecessary, manufacture cost of shock-absorbing products including an airbag can be reduced. Further, with a superior weaving property and surface smoothness, the fabric of the present invention can be utilized for shock-absorbing products when coated with synthetic resins.

Abstract: An apparatus for operating an auto-shutter in an air-conditioner having an external casing includes a louver frame having an air exit installed in the external casing, an auto-shutter movable between an opened position opening the exit and a closed position closing the exit, and a shutter driver driving the auto-shutter. The shutter driver includes a driving motor which is rotatably mounted in the casing for tilting forwardly and backwardly, a screw-rod rotationally coupled with the driving motor, a bushing coupled with the rotational rod which ascends and descends along with the rotational rod when rotated, a slider, one end of which is coupled with the auto-shutter and the other end of which is coupled with the bushing. The frame and shutter include cooperating surfaces defining to guide the auto-shutter and cause the driving motor and the rotational rod to tilt by a predetermined angle as the auto-shutter moves from the opened position to the closed position.

Abstract: Disclosed herein is an air conditioner having independent cooling and purifying paths. The air conditioner comprises a body casing formed by assembling a front panel with a rear panel, the front panel having a cooled air discharge opening and one or more suction openings to introduce indoor air into the body casing, a first fan arranged in the body casing to suction air via the suction openings, and a heat exchanger located above the first fan to perform heat exchange of the suctioned air. A cooler housing is arranged in the body casing to receive the first fan therein. Also, an air purifier is mounted in the body casing.

Abstract: A 1.55 ?m SLD having a laser diode (LD) region and a semiconductor optical amplifier (SOA) region, and a method of fabricating the same, are disclosed. The SLD includes: an InP substrate having a LD region and a SOA region for amplifying light emitted from the LD region; an optical waveguide having a BRS (buried ridge strip) structure having an active layer of resonant strip pattern formed on the InP substrate and extending from the SOA region to the LD region; a first electrode formed on the active layer in the SOA region, a second electrode formed on the active layer in the LD region and electrically isolated from the first electrode; and a current blocking region interposed between the first electrode and the second electrode in order to electrically isolate the first electrode and the second electrode from each other.

Abstract: An IGBT includes a first silicon region over a collector region, and a plurality of pillars of first and second conductivity types arranged in an alternating manner over the first silicon region. The IGBT further includes a plurality of well regions each extending over and being in electrical contact with one of the pillars of the first conductivity type, and a plurality of gate electrodes each extending over a portion of a corresponding well region. The physical dimensions of each of the first and second conductivity type pillars and the doping concentration of charge carriers in each of the first and second conductivity type pillars are selected so as to create a charge imbalance between a net charge in each pillar of first conductivity and a net charge in its adjacent pillar of the second conductivity type.

Abstract: Provided is a wavelength tunable light source including a semiconductor optical amplifier, a beam steering unit or a beam deflector, and a concave diffraction grating integrated therein. The wavelength tunable light source can be easily implemented since locations to which a beam is diffracted by the concave diffraction grating and at which portions of the beam with different wavelengths have constructive interference form a straight line, not a Rowland circle. Furthermore, wavelength tuning and optical coupling characteristics of the wavelength tunable light source are excellent. Since both single integration and hybrid integration are possible for the wavelength tunable light source, the wavelength tunable light source exhibits superior operating characteristics and high reliability.

Abstract: The present disclosure provides a light emitting display device including a first substrate and a second substrate and a light emitting part disposed therebetween. The first substrate includes an active layer, source and drain electrodes, an insulating layer, and a gate electrode. The active layer is doped with first dopant ions and second dopant ions. The light emitting display may have a fast response characteristic due to a reduced resistance of the active layer and an improved characteristic of current drift.

Abstract: The present invention relates to an inflatable two-layer fabric, and provides an inflatable two-layer fabric comprising two separated fabric layers, woven at the same time using a weaving machine, and an attachment area attaching said two fabric layers. Since the inflatable fabric of the present invention requires no sewing, it can significantly reduce manufacturing costs. Particularly, since all fabric layers are formed of a plain weave, airbags having a variety of shapes can be manufactured using a jacquard weaving machine. Further, since it has superior weaving property and smoothness, it can be utilized for side curtain airbags and other shock-absorbing products.

Abstract: A multi-purpose communication device with electrical tester includes a communication unit and a sensing device, and the communication unit and the sensing device are encased in the case of the communication unit. The communication unit has a case, an antenna and display, and the sensing device has a probe, a sensing circuitry and an indicator. The communication unit includes a cellular phone. The sensing device detects the presence of electric voltage at a conductor. The probe of the sensing device is adapted to be inserted to the wall outlet. The indicator of the sensing device includes an LED lamp. The LED lamp turns on when electric voltage is detected at the conductor. The multi-purpose communication device further includes a pointing device. The pointing device includes a laser device. The laser device includes a laser pointer. The pointing device further includes an activating switch.

Abstract: A multi-purpose communication device with optical mirror includes a communication unit and an optical reflecting device. The communication unit has a case, an antenna, a circuitry, a portable power supply, and a display. The optical reflecting device is installed on the case, and the optical reflecting device partially covers the case of communication device. The communication device includes a cellular phone and the optical reflecting device reflects electromagnetic wave. The optical reflecting device includes a mirror. The optical reflecting device includes a reflecting coating, and a surface is adapted to be fixed to the case of the communication unit, preferably a sticky layer. The multi-purpose communication device includes an anti-scratching device. The anti-scratching device includes one or more propping bumps installed on a surface of the optical reflecting device or on the case. The optical reflecting device may be disposed on the detachable lid of the case.

Abstract: A color filter substrate for liquid crystal displays and a method of fabricating the same are disclosed. The color filter substrate includes a transparent insulating substrate, a black matrix, a red color filter which includes red color resin and transparent conductive material, a green color filter which includes green color resin and the transparent conductive material, and a blue color filter which includes blue color resin and the transparent conductive material.

Abstract: A Brushless Direct Current (BLDC) motor starting method and device are provided, in which startup noise and vibration and startup failure rate can be reduced using a constant low-speed startup scheme when the BLDC motor is in sensorless startup mode, and PWM duty is also maintained at low level when the BLDC motor starts up, thereby preventing an excessive current from occurring due to desynchronization of the motor at startup, so that it is possible to optimize specifications of an inverter in the BLDC motor. The BLDC motor starts up with a startup speed and a PWM duty of a rotor of the BLDC motor being kept constant, and the BLDC motor switches to sensorless mode if a position of the rotor is detected a predetermined number of times or more during a specific time.

Abstract: Provided is a monolithic integrated semiconductor broad band light source. In the monolithic integrated semiconductor broad band light source, an electro absorption modulator, a semiconductor optical amplifier, and a light emitting diode are integrated on an InP substrate. Ions are implanted among the electro absorption modulator, the semiconductor optical amplifier, and the light emitting diode to electrically insulate the electro absorption modulator, the semiconductor optical amplifier, and the light emitting diode from one another. Electrodes independently implant currents into the electro absorption modulator, the semiconductor optical amplifier, and the light emitting diode. In particular, it is important to form a current intercepting layer and electrically insulate electrodes from one another but optically connect the electrodes in terms of performance of the monolithic integrated semiconductor broad band light source.

Abstract: A channel switching function is added to a wavelength division multiplexing passive optical network (WDM-PON) system, which is an access optical network system, and the potential transmission rate is increased by combining wide wavelength tunable lasers and a time division multiplexing (TDM) data structure and properly using the necessary optical components. In addition, when the wavelength of a light source or an arrayed waveguide grating (AWG) changes, the wavelength is traced and the magnitude of a transmitted signal is maximized without an additional detour line using a loop-back network structure. Furthermore, fewer thermo-electric controllers (TECs) are required for stabilizing the temperature of an optical line terminal (OLT) using wavelength tunable lasers, each laser electrically changing its wavelength.

Abstract: Provided is an integrated semiconductor light source using locking characteristic by an external light injection, including: an active region controlling an optical gain and an optical output by current injection; and a passive region having a structure integrated with the active region and moving a cavity mode by current injection or voltage application to lock injection light.