Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer and a cellulose ester binder. The (meth)acrylic copolymer contains an alkyl group, a hydroxyl group, an alicyclic group, and a hetero-alicyclic group. The adhesive film has a modulus at 30° C. of about 100,000 Pa or more.

Abstract: A method includes generating a first feedback signal in response to a tracking signal indicating an output signal of the power converter. The method further includes detecting an overshoot of the tracking signal or an undershoot of the tracking signal, generating a second feedback signal in response to the detection result and the first feedback signal, and generating a modulation signal in response to the second feedback signal. A circuit includes an overshoot-and-undershoot (OU) signal generator detecting an overshoot of a tracking signal or an undershoot of the tracking signal. The circuit further includes a feedback signal modulator receiving a first feedback signal and generating a second feedback signal in response to the detection result and the first feedback signal and a modulation controller generating a modulation signal in response to the second feedback signal.

Abstract: An adhesive film of the present invention comprises a (meth)acrylate-based copolymer and a cross-linking agent, and a gel fraction thereof is approximately 50-95%, and a ratio of change G? in storage modulus thereof, represented by the following formula 1, is 20% or less. G?=(G7?G1)/G1×100??[Formula 1] (In formula 1, G1 is a storage modulus at 25° C. when the adhesive film is matured at 23° C. and a relative humidity (RH) of 55% for one day, and G7 represents a storage modulus at 25° C. when the adhesive film is matured at 23° C. and an RH of 55% for seven days.

Abstract: An adhesive composition for polarizing plates includes a (meth)acrylic copolymer prepared by copolymerization of a monomer mixture and a curing agent. The monomer mixture includes a hydroxyl group-containing (meth)acrylic monomer, a tertiary amine group-containing (meth)acrylic monomer and a monomer having a glass transition temperature (Tg) of about 100° C. or greater. The adhesive composition has a gel fraction of about 50% or greater after aging for 12 hours. An adhesive film is formed from the adhesive composition. An optical display includes the adhesive film.

Abstract: A circuit comprises an amplifier and a plurality of channels, the plurality of channels including respective transistors. The respective transistors of the channels control respective magnitudes of respective currents of the channels according to an output of the amplifier. The respective transistors of the plurality of channels may be included in an auto-commutated circuit. A first Light Emitting Diode (LED) circuit may be coupled between a power source and a first channel of the plurality of channels. A second LED circuit may be coupled between the first channel and a second channel of the plurality of LED channels. The power source may provide rectified Alternating Current (AC).

Abstract: A phase shifter is disclosed and includes a first substrate comprising a phase change line; and a second substrate comprising an input line connected to an input port, a first output line connected to a first output port, a second output line connected to a second output port, and a connection line connecting the first output line and the second output line. The first substrate is disposed to face the second substrate and to be overlaid at a predetermined distance from the second substrate. A phase of a signal passing through a first portion of the phase change line changes by a first value according to a movement of the first substrate. The signal is branched into a first signal to be transmitted to the first output port and a second signal to be transmitted to the second output port.

Abstract: A circuit comprises an amplifier and a plurality of channels, the plurality of channels including respective transistors. The respective transistors of the channels control respective magnitudes of respective currents of the channels according to an output of the amplifier. The respective transistors of the plurality of channels may be included in an auto-commutated circuit. A first Light Emitting Diode (LED) circuit may be coupled between a power source and a first channel of the plurality of channels. A second LED circuit may be coupled between the first channel and a second channel of the plurality of LED channels. The power source may provide rectified Alternating Current (AC).

Abstract: An LED driving device includes an LED string including at least first and second LED elements connected in series, first and second channels coupled to output nodes of the first and second LED elements, respectively, first and second regulators to regulate a current flowing through the first and second channels in response to first and second control voltages, respectively, and a control voltage generating circuit to generate the first and second control voltages based on a difference between a reference voltage and a comparative voltage, the comparative voltage being generated based on a sensing voltage, the sensing voltage corresponding to an LED current flowing through the LED string. The control voltage generating circuit includes a reference voltage generator to generate the reference voltage based on an input voltage and the dimming signal, the input voltage being supplied to the LED string, the dimming signal controlling dimming of the LED string.

Abstract: A power factor correction circuit corrects a filter current flowing through a filter capacitor asymmetrically based on a peak of an input voltage by controlling a switching operation of a power switch, thereby correcting distortion of an input current.

Abstract: A LED driving device is provided, which includes a LED string including at least one LED element, at least one channel connected to the at least one LED element, a current regulator configured to regulate a current flowing through the at least one channel according to at least one corresponding control voltage, and a control signal generating circuit configured to generate a control signal based on a difference between a reference voltage and a comparative voltage. The comparative voltage is determined based on a sensing voltage, and the sensing voltage corresponds to an LED current flowing through the LED string. The control signal generating circuit is further configured to generate the at least one corresponding control voltage based on the control signal.

Abstract: A fabric treating machine according a present invention comprises a first vibration mitigation part which is disposed between a stator and a bearing unit. Therefore, it can reduce the transfer of the vibration from the driving unit to the bearing unit, and the vibration of an inner tub and an outer tub can be reduced, and a noise can be reduced. Thus, a reliability of product can be improved. Also, a fabric treating machine according a present invention comprises a vibration mitigation part which is disposed between an upper bearing unit and a lower bearing unit. Therefore, it can reduce the vibration transfer from the lower bearing unit to the upper bearing unit, and the vibration of an inner tub and an outer tub can be reduced, and a noise can be reduced.

Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.

Abstract: A power factor correction circuit corrects a filter current flowing through a filter capacitor asymmetrically based on a peak of an input voltage by controlling a switching operation of a power switch, thereby correcting distortion of an input current.

Abstract: A light emitting diode (LED) driver circuit includes an LED string and a conducting state detection circuit. The conducting state detection circuit detects a conducting state of the LED string, and generates a discharge control signal upon sensing that the LED string is in a non-conducting state. A current source generates a discharge current according to the discharge control signal when the LED string is in the non-conducting state. A passive bleeder provides current compensation by internal regulator operation. An LED spike current suppression circuit suppresses spike current that can occur when the input voltage increases above a threshold. A bias supply circuit has an input capacitor that provides a bias voltage.

Abstract: The washing machine includes an outer tub, an inner tub rotatably provided in the outer tub, a pulsator rotatably provided in the inner tub, a power transmission shaft rotating the pulsator, a buoyancy clutch that moves up and down by buoyancy created by wash water and transfers, when the buoyancy clutch is in a lower position, rotational force from the power transmission shaft to the inner tub to allow the pulsator and the inner tub to rotate integrally with each other, a circulation passage that is provided on an outer portion of the outer tub to allow the wash water drained out of the outer tub to be returned into the outer tub, a pump provided on the circulation passage and a drain guide unit that directs the wash water under the buoyancy clutch to a drain hole of the outer tub so that the buoyancy clutch moves downward.

Abstract: A circuit comprises an amplifier and a plurality of channels, the plurality of channels including respective transistors. The respective transistors of the channels control respective magnitudes of respective currents of the channels according to an output of the amplifier. The respective transistors of the plurality of channels may be included in an auto-commutated circuit. A first Light Emitting Diode (LED) circuit may be coupled between a power source and a first channel of the plurality of channels. A second LED circuit may be coupled between the first channel and a second channel of the plurality of LED channels. The power source may provide rectified Alternating Current (AC).

Abstract: A LED driving device is provided, which includes a LED string including at least one LED element, at least one channel connected to the at least one LED element, a current regulator configured to regulate a current flowing through the at least one channel according to at least one corresponding control voltage, and a control signal generating circuit configured to generate a control signal based on a difference between a reference voltage and a comparative voltage. The comparative voltage is determined based on a sensing voltage, and the sensing voltage corresponds to an LED current flowing through the LED string. The control signal generating circuit is further configured to generate the at least one corresponding control voltage based on the control signal.

Abstract: A method includes generating a first feedback signal in response to a tracking signal indicating an output signal of the power converter. The method further includes detecting an overshoot of the tracking signal or an undershoot of the tracking signal, generating a second feedback signal in response to the detection result and the first feedback signal, and generating a modulation signal in response to the second feedback signal. A circuit includes an overshoot-and-undershoot (OU) signal generator detecting an overshoot of a tracking signal or an undershoot of the tracking signal. The circuit further includes a feedback signal modulator receiving a first feedback signal and generating a second feedback signal in response to the detection result and the first feedback signal and a modulation controller generating a modulation signal in response to the second feedback signal.

Abstract: A method includes comparing a value of a current sense signal indicating an output signal of a power converter to a value of a threshold signal, adjusting a value of a first count signal in response to the comparison result, and determining whether or not the power converter is operating in an overload condition using the first count signal. A circuit includes an overload monitor comparing a value of a current sense signal to a value of a threshold signal, adjusting a value of a first count signal in response to the comparison result, and determining whether or not the power converter is operating in an overload condition using the first count signal. The circuit further includes an overload protection signal generator generating an overload protection signal indicating whether or not the power converter is operating in the overload condition.

Abstract: An active damper and a power supply according to exemplary embodiments include: a damper resistor coupled to an input voltage; a damper switch coupled in parallel with the damper resistor; and a capacitor to which a reset current generated by a leading edge of the input voltage flows. The damper switch is turned off by the reset current.