Lg Electronics Inc.

Jcet Stats Chippac Korea Limited

Yongju Lee

Byeongjo Ryoo

Jongseok Kim

Daeyun Park

Sangik Lee

Hyunwoo Noh

Wheeyoung Jun

Minjung Kim

Donghyun Kim

Youngjoo Lee

Jeongyun Kim

Hyuksoo Lee

Bio Park

Seonghwan Kim

Hyukjin Ahn

Jiyeon Park

Sunki Lee

Dongsoo Choung

SeongHyun Kang

JiWon Seong

A semiconductor test system has a test fixture with a plurality of test sites. Each test site has a DUT placement area and an electrical test circuit dedicated for a DUT to perform voltage and current testing. The electrical test circuit has a voltage measuring block and a current measuring block. The voltage measuring block has an analog-to-digital converter for converting an analog voltage measurement to a digital voltage measurement. The current measuring block has a resistor conducting a current to be measured, an amplifier with a first input and a second input coupled across the resistor, and an analog-to-digital converter with an input coupled to an output of the amplifier and an output for providing a digital current measurement. A test control system controls the test fixture. The electrical test circuit can be an integrated circuit or a discrete circuit.

Semiconductor test equipment and method of performing current and voltage test measurements

The present invention relates to a system iron. The system iron according to the present invention includes a body including a steam generator for generating steam; an ironing plate, which is rotatably coupled to an upper portion of the body and which sprays the steam generated by the steam generator to an outside; an angle-limiting member for limiting rotation of the ironing plate; a button unit, which is operated in linkage with the angle-limiting unit so as to release a state in which the rotation of the ironing plate is limited by the angle-limiting unit; and an elastic member for maintaining the state in which the rotation of the ironing plate is limited by the angle-limiting unit.

System iron

Disclosed is a method for drying laundry using an intelligent washer. According to an embodiment of the present disclosure, a method for drying laundry trains a time prediction model for obtaining first remaining time information related to complete dryness of the laundry, obtains first washer state information related to a state of a washer for drying the laundry, obtains the first remaining time information by inputting the first washer state information to the trained time prediction model, and dries the washer based on the obtained first remaining time information, thus precisely predicting the time necessary for complete dryness of wet laundry. According to an embodiment, the washer may be related to artificial intelligence (AI) modules, unmanned aerial vehicles (UAVs), robots, augmented reality (AR) devices, virtual reality (VR) devices, and 5G service-related devices.

Method and apparatus for drying laundry using intelligent washer

The present invention relates to a system iron. The system iron according to the present invention includes a body including a steam generator for generating steam; an ironing plate, which is rotatably coupled to an upper portion of the body and which is provided with steam nozzles for spraying steam; a steam iron connected to the ironing plate so as to receive steam; a steam flow channel for allowing the steam, generated by the steam generator, to be supplied to the steam nozzles or the steam iron; and a flow channel valve for controlling the steam flow channel so as to supply the steam to one of the steam nozzles or to the steam iron.

A condensing type clothes dryer having a heat pump cycle and a method for controlling a condensing type clothes dryer having a heat pump cycle are provided. The condensing type clothes dryer may include a drum in which an object to be dried may be accommodated; a circulation duct that forms a circulation passage such that air may circulate via the drum; a circulation fan configured to circulate the air along the circulation duct; a heat pump cycle having an evaporator and a condenser spaced from each other in the circulation duct, and configured to absorb heat of air discharged from the drum through the evaporator and to transfer the heat to air introduced into the drum through the condenser using an operation fluid which may circulate via the evaporator and the condenser; a bypass flow path formed at the circulation duct such that a portion of air discharged from the drum may bypass the evaporator to be mixed with air having passed through the evaporator at an upstream side of the condenser; and an opening and closing device installed at the bypass flow path and configured to selectively open or close the bypass flow path.

Condensing type clothes dryer having a heat pump cycle and a method for controlling a condensing type clothes dryer having a heat pump cycle

A bathroom management apparatus capable of circulating air to dry a bathroom and discharging moisture before the moisture enters a case is disclosed. The case of the bathroom management apparatus includes an upper front part having an air intake port, a lower front part having a first air discharge port and an intermediate front part defined between the upper front part and the lower front part and depressed rearward, an intake vane including first hinge portions for opening and closing the air intake port, and a first discharge vane including second hinge portions for opening and closing the first air discharge port, wherein a region of the rear surface of the intake vane between the two first hinge portions and a region of the rear surface of the first discharge vane between the two second hinge portions define a first flow channel that is excluded from the intermediate front part.

Bathroom management apparatus

A method of controlling a dryer includes rotating a drum within the dryer in a first direction, detecting at least one of temperature or relative humidity of air discharged from the drum while the drum is rotating in the first direction, and sensing occurrence of entanglement inside the drum by comparing a variation rate of at least one of the detected temperature or the detected relative humidity with a corresponding reference value. The method also includes, based on sensing that the entanglement has occurred, reversing a rotation direction of the drum by rotating the drum in a second direction that is opposite the first direction, and further, based on reversing the rotation direction of the drum upon sensing that the entanglement has occurred, maintaining the second direction of rotation of the drum for a preset time.

Dryer and control method thereof

A bathroom management apparatus capable of circulating air through a duct and discharging moisture that has entered the duct is disclosed. The bathroom management apparatus includes a case including an air intake port formed in a front surface thereof, a first air discharge port formed in the front surface thereof and a second air discharge port formed in a lower surface thereof, a duct provided in the case so as to connect the air intake port, the first air discharge port and the second air discharge port to each other, a damper provided in the duct so as to direct air toward one of the first air discharge port and the second air discharge port, and a second discharge vane for opening and closing the second air discharge port, wherein the damper includes a first water discharge port and the second discharge vane includes a second water discharge port.

A clothes treating apparatus that includes a heat pump cycle and a dehumidifying device is provided herein. The clothes treating apparatus may include a case and a drum installed within the case and configured to accommodate an item for drying. A circulation duct may be provided to form an air circulation flow channel that allows air to circulate through the drum. The heat pump cycle may include an evaporator and a condenser disposed to be spaced apart from one another within the circulation duct, the heat pump cycle being configured to absorb heat of air released from the drum through the evaporator and transmit the absorbed heat to air introduced to the drum through the condenser, by using a working fluid that circulates by way of the evaporator and the condenser. Moreover, the dehumidification device may be provided to dehumidify air passing through the evaporator in the circulation duct.

Clothes treating apparatus with heat pump cycle and method for controlling the same

A clothes treating apparatus may include a heat pump that is detachable and controlled according to a plurality of operation modes. The plurality of operation modes may include a drying mode configured to control operation of the heat pump when the heat pump is mounted on the cabinet and a dehumidification mode configured to control operation of the heat pump when the heat pump is separated from the cabinet. The heat pump may be used in a separable manner when separated therefrom as well as when mounted thereon.

Clothes treating apparatus with heat pump

A clothes treating apparatus having a heat pump cycle for performing a washing cycle and a drying cycle is provided. The clothes treating apparatus may include a drum configured to accommodate a item to be treated; a heat pump cycle having a first evaporator, a compressor, a condenser, and an expansion valve to heat air introduced into the drum; a circulation duct configured to form a circulation passage of air that has passed through the drum; a circulation fan configured to circulate the air; and a controller configured to drive the heat pump cycle and the circulation fan during the washing cycle to preheat at least one of the drum or the circulation duct.

Clothes treating apparatus with a heat pump cycle

A clothes treating apparatus is provided that may include an accommodation chamber, in which an object may be accommodated; a first heat pump cycle having a first evaporator, a first compressor, a first condenser, and a first expansion valve; a second heat pump cycle having a second evaporator, a second compressor, a second condenser, and a second expansion valve, and arranged such that air introduced into the accommodation chamber passes through the first evaporator, the second evaporator, the second condenser and the first condenser, sequentially; and a controller configured to control an operation of the first and second heat pump cycles. At least one of the first compressor or the second compressor may be provided with an inverter that changes a drive speed of the compressor through a frequency conversion. The controller may drive the at least one of the first compressor or the second compressor within a predetermined drive range, by controlling the drive speed of the at least one of the first compressor or the second compressor using the inverter.

Clothes treating apparatus

Disclosed is a clothes dryer including a heat exchanger for condensing air discharged from a drum to remove moisture from the air, a collector for collecting condensed water produced in the heat exchanger, a first pump for pumping the condensed water from the collector to a water tank, and a discharge unit for selectively discharging the condensed water from the water tank, to wash the heat exchanger using the condensed water.

Clothes dryer

A condensing type clothes dryer having a heat pump cycle is provided that may include a drum in which an object to be dried may be accommodated; a circulation duct that forms a circulation passage such that air may circulate via the drum; and a heat pump cycle. The heat pump cycle may include a plurality of evaporators provided adjacent to each other in the circulation duct; a condenser provided at a downstream side of the plurality of evaporators and spaced therefrom, that absorbs heat of air discharged from the drum through the plurality of evaporators, and transfers the heat to air introduced into the drum through the condenser, using an operation fluid, which may circulate via the plurality of evaporators and the condenser; a plurality of divergence pipes that form a divergence passage, such that the operation fluid discharged from the condenser may be introduced into each of the plurality of evaporators; a plurality of electronic expansion valves provided at the plurality of divergence pipes, respectively, that opens and closes the plurality of divergence passage; and a controller that controls a flow amount of the operation fluid to be introduced into each of the plurality of evaporators by controlling an open degree of the divergence passage based on a super heat degree of the operation fluid passing through each of the plurality of evaporators.

Growing community of inventors

Seoul, South Korea

Yongju Lee