Abstract: A home user interface (UI) system for managing digital ink is provided. The home UI system includes a plurality of state sensors capable of detecting a state in a house or a change in the state, and a plurality of home-use devices that are provided in the house or that form part of the house and that each include a handwriting sensor capable of detecting handwriting made by a person. The home UI system further includes one or more notification units that are configured to notify the person of the existence of the home-use device or a detectable region of the handwriting sensor of the home-use device. The home UI system further includes a controller which, when it is determined that a notification is necessary from a detection result of one or more of the state sensors, instructs at least one of the notification units to carry out the notification.

Abstract: Provided are a refrigerator and a control method thereof. The refrigerator is characterized by enabling at least a part of a refrigerator door to be selectively transparent by a user's operation, such that the user sees through an inside of the refrigerator while the refrigerator door is closed.

Abstract: A refrigerator has an open front and an air curtain system having at least one upper air egress with an outer edge and at least one lower air-recovery ingress. The air curtain system is adapted to produce a substantially vertical air curtain over at least part of the open front of the refrigerator. The refrigerator comprises at least one shelf between the egress and the ingress, the shelf having a front edge, and at least one elongate air-guiding strip extending across at least part of the open front of the fridge. The strip is located substantially in the plane of the shelf and spaced from the front edge of the shelf. The strip is located substantially vertically beneath the outer edge of the upper air egress.

Abstract: A machine for making and dispensing liquid, semi-liquid and/or semi-solid food products and which includes at least a cylinder for containing and processing basic products, means for heating and cooling the cylinder wrapped around at least part of the cylinder and a mixer unit positioned inside the cylinder which is able to mix the basic products during their processing; the machine also includes a supply duct for supplying the products into the cylinder, a dispensing duct for withdrawing the food products from the cylinder and means for recirculating the products contained in the containment and processing cylinder which are able to withdraw the products from the cylinder through the dispensing duct and to return them into the cylinder through the supply duct.

Abstract: A display device is disclosed.

Abstract: A refrigerant charging device and a refrigerant charging system include a refrigerant charging flour path having a refrigerant charging port connected to a refrigerant flow path of an air conditioner, a valve provided at the refrigerant charging flow path, and a control device configured to control the valve. The control device includes a discharging superheat calculator configured to calculate the discharging superheat degree from a refrigerant temperature and a refrigerant pressure at a discharge side of a compressor, and a valve controller configured to control the opening and closing state of the valve based on the calculated discharging superheat degree calculated by the discharge super-heat calculator.

Abstract: Embodiments of this disclosure relate to electronic information, and disclose a smart refrigerator based on big data analysis of a server, including a refrigerator body, a collector, and a communication circuit. The collector is disposed in the refrigerator body and is used to collect human body health parameter information. The communication circuit is disposed in the refrigerator body and is connected to the collector, and is used to: upload human body health parameter information to a server, obtain a diet solution that is returned by the server after the server performs big data analysis on the human body health parameter information, and push the diet solution. This disclosure further discloses a health management method based on a smart refrigerator and a health management system.

Abstract: A determination device includes a refrigerant circuit, an operation determination unit, and a refrigerant determination unit. The refrigerant circuit is made of a compressor, a condenser, an expansion mechanism, and an evaporator that are circularly connected. In a refrigeration cycle operation in accordance with a quantity of heat required by the condensers or the evaporators, the operation determination unit determines whether the refrigeration cycle operation can be normally carried out or not. Upon determination that the refrigeration cycle operation cannot be normally carried out, the refrigerant determination unit determines whether a refrigerant in the refrigerant circuit is regenerable or not, based on a result of the determination. Thus the determination device is provided by which an effort involved with determination as to whether the refrigerant is regenerable or not can be reduced.

Abstract: A refrigerator includes a storage compartment, a door, an air outlet, an imaging unit, and a determination unit. The storage compartment has a storage region that stores a stored object. The door opens and closes the storage compartment. The air outlet is provided in a rear wall of the storage region and blows cold air into the storage region. The imaging unit is provided at an inner side of the door at a position higher than or equal to a height of the air outlet and acquires an image of the storage region from the door. The determination unit determines an arrangement state of the stored object stored in the storage region based on the image acquired by the imaging unit.

Abstract: A refrigerator control method, including: upon acquiring a signal indicating that a person approaches to open a door, controlling a camera to move from an initial position to a first position; upon acquiring a signal indicating that the door switches to an open status, controlling the camera to move to a second position; upon acquiring an opening angle of the door, and controlling the camera to capture an image of an interior of the door when the opening angle is less than a threshold angle; upon acquiring a signal indicating that the door switches to the closed status, controlling the camera to move to the first position and capture an image of an interior of the door; and upon acquiring a signal indicating that the door is closed, controlling the camera to return to the initial position and capture an image of an interior of the refrigerating compartment.

Abstract: A storage system having racks and an outer container that receives the racks, each rack receiving a plurality of sample boxes, each box having a wireless ID tag. In certain embodiments, the storage system has reader electronics external to and distinct from the racks and that directly read the wireless ID tag of each box in at least one rack without relying on any reader electronics of any rack. In other embodiments, each rack has a set of rack reader electronics that read the wireless ID tag of each box in at least one rack, and the storage system has at least one removable reader access device removably connectable to the set of rack reader electronics of a rack in order to transmit the ID number of the wireless ID tag of each box in the rack outside of the outer container.

Abstract: An automated warehouse includes a plurality of transfer destinations at which articles can be placed; and a transporter that moves between the plurality of transfer destinations and that transfers the article to the transfer destination, the automated warehouse including: moving-side image capturer provided on the transporter and image-captures the transfer destination and a part or all of an operation of transferring the article to the transfer destination performed by the transporter; and a fixed-side image capturer provided at a predetermined position in the automated warehouse, and image-captures, from a direction different from that of the moving-side image capturer, the transporter and a part or all of the operation of transferring the article to the transfer destination performed by the transporter.

Abstract: A machine for making food products in liquid or semi-liquid form, including: a container for containing a basic product; a container for processing the basic product flowing out of the containing container; a stirring element mounted inside the processing container; a thermal treatment system associated with the processing container; a unit for driving and controlling the variables correlated with the aforementioned devices and systems; a user interface provided with operator controls and connected to the drive and control unit. The user interface is configured to allow a remote service request to be sent by activating an operator control.

Abstract: A refrigerator (1) is provided with an image capturing camera 18 (image capturing unit) configured to capture an image of an interior of a storage chamber (such as a refrigeration chamber 3); and a communication portion (52) (communication unit) configured to transmit image of the interior of the storage chamber captured by the image capturing camera (18) to an external device.

Abstract: The present invention relates to a door and a home appliance including the door. More particularly, the present invention relates to a door including a see-through region and a home appliance comprising the door. According to one embodiment of the present invention, there is provided a home appliance comprising: a cabinet; an object receiving chamber defined in the cabinet to receive an object therein; a door pivotally coupled to the cabinet to open and close the object receiving chamber, wherein the door has a see-through window; a lighting device for illuminating an interior of the object receiving chamber; a sensor disposed in the door for detecting an acoustic wave, wherein the acoustic wave is generated by an application of a knock input to the door; and a controller configured to activate the lighting device upon detecting the knock input, such that the object receiving chamber may be visible to an outside through the see-through window.

Abstract: An exterior member for a home appliance includes a front panel that defines an exterior of the home appliance, that is configured to cover a display assembly that includes a plurality of LEDs, and that includes a displaying part that defines a plurality of first through-holes at positions corresponding to the plurality of LEDs, the displaying part being configured to display operating information of the home appliance by transmitting light from the plurality of LEDs through at least a portion of the plurality of first through-holes. The exterior member further includes a front surface coating layer that is located on a front surface of the front panel and that is configured to shield the plurality of first through-holes. The exterior member further includes a hole-filling member that is configured to fill the plurality of first through-holes by coating a rear surface of the displaying part with a material.

Abstract: The present invention relates to a door and a home appliance including the door. More particularly, the present invention relates to a door including a see-through region and a home appliance comprising the door. According to one embodiment of the present invention, there is provided a home appliance comprising: a cabinet; an object receiving chamber defined in the cabinet to receive an object therein; a door pivotally coupled to the cabinet to open and close the object receiving chamber, wherein the door has a see-through window; a lighting device for illuminating an interior of the object receiving chamber; a sensor disposed in the door for detecting an acoustic wave, wherein the acoustic wave is generated by an application of a knock input to the door; and a controller configured to activate the lighting device upon detecting the knock input, such that the object receiving chamber may be visible to an outside through the see-through window.

Abstract: A diagnosis control method of an air conditioner is provided to clearly inform a user of an air conditioner installation error. The diagnosis control method includes receiving a test run command or a self-diagnosis command for diagnosis of the air conditioner, performing a first test run to diagnose an assembly state of the air conditioner, performing a second test run to diagnose pipe connection of the air conditioner and an amount of refrigerant in the air conditioner, performing a determination including diagnosing a state of the air conditioner based on operation results of the first test run and the second test run, and displaying the diagnosis result through a display device provided at an indoor unit of the air conditioner.

Abstract: A machine for making and dispensing liquid, semi-liquid and/or semi-solid food products and which includes at least a cylinder for containing and processing basic products, means for heating and cooling the cylinder wrapped around at least part of the cylinder and a mixer unit positioned inside the cylinder which is able to mix the basic products during their processing; the machine also includes a supply duct for supplying the products into the cylinder, a dispensing duct for withdrawing the food products from the cylinder and means for recirculating the products contained in the containment and processing cylinder which are able to withdraw the products from the cylinder through the dispensing duct and to return them into the cylinder through the supply duct.

Abstract: A system and method for recycling non-reusable refrigerant transport containers. At least one intact refrigerant transport container is received into a sealed chamber. The refrigerant transport container is punctured to release residual refrigerant, which is removed and compressed. The container is shredded and/or compacted. A refrigerant transport container deposit program is provided, comprising: encoding a deposit container prior to use; receiving the encoded spent container and releasing the imposed deposit; automatically removing residual refrigerant from the spent container; and recycling materials from the refrigerant transport container. A database storing a record relating to the encoded refrigerant transport containers may be employed for tracking.

Abstract: Disclosed is a refrigerator having an improved structure with a display unit. The refrigerator comprises a main body, a storeroom arranged inside the main body with an open front, a door pivotally connected to the main body for opening or closing the open front of the storeroom and a display unit installed on the door. The display unit comprises a display for displaying images, a display glass located on the front of the display to have an area larger than the display and form a touch screen, a display case with a display mounter for the display to be mounted therein, a display unit case fixedly connected to the door and a fixing unit for fixedly connecting the display case to the display unit case by pressing a part of the display case.

Abstract: A storage container includes an input portion for receiving and filtering a source liquid to form an output liquid, a storage portion for storing the filtered liquid, and a base portion disposed below the storage portion including a UV light source for providing transmitted UV light to the filtered liquid, a UV light detector disposed an optical path length away from the UV light source for detecting received UV light through the filtered liquid in response to the transmitted UV light, a processor for determining an absorption or a transmission percentage in response to the transmitted UV light and the received UV light, for determining a safe condition, in response to the absorption or the transmission percentage respectively not exceeding or exceeding predetermined criteria, and one or more indicators for indicating that the liquid is safe for consumption to a user, in response to the safe condition.

Abstract: A camera assembly coupled to a door of a refrigerator so as to have an unimpeded view of all goods in the refrigerator for the information of a user includes a locking base, a securing base, and a camera. The locking base is coupled to the door. The securing base is coupled to the locking base. The camera is received in the securing base. A refrigerator employing the camera assembly is also provided.

Abstract: An indoor unit of an air-conditioning apparatus includes: a casing; a drain pan, which is provided inside the casing, and is configured to receive condensate water generated in the load-side heat exchanger; and a refrigerant detection unit provided below the drain pan inside the casing. The refrigerant detection unit includes: a sensor configured to detect leakage of the refrigerant; and a sensor cover configured to cover the sensor from a front surface side of the sensor. The sensor cover includes: a roof portion arranged above the sensor; and a side surface portion arranged on the front surface side or a side surface side of the sensor below the roof portion. The roof portion has an eaves portion projecting outward with respect to the side surface portion, and the side surface portion has at least one first opening port configured to introduce air to an inside of the sensor cover therethrough.

Abstract: Disclosed herein is a refrigerator which includes a rear duct including a first guide passage configured to guide cold air generated in an evaporator and a cooling discharge port through which the cold air is discharged from the first guide passage to the inside of a storage compartment to cool the storage compartment, an upper duct including a second guide passage coupled with the first guide passage and an air curtain discharge port through which the cold air is discharged from the second guide passage to a front opening of the storage compartment to form an air curtain at the front opening of the storage compartment, and a blade to close or open the air curtain discharge port and which may form an effective air curtain with a simple structure.

Abstract: An air-conditioning system having exceptional security is provided. An air-conditioning system comprises a plurality of indoor units installed in a target space, a controller configured and arranged to control the actions of the plurality of indoor units, and a refrigerant leakage sensor configured and arranged to sense refrigerant leakage in the target space. Each of the indoor units has indoor fan. When the refrigerant leakage sensor has sensed refrigerant leakage, the controller configured and arranged to cause the indoor fan of the indoor unit that has received a refrigerant leakage signal to be driven at a predetermined first rotation speed, and cause the indoor fan of other indoor unit (emergency group indoor units) belonging to the same group as the aforementioned indoor unit to be driven at a predetermined second rotation speed.

Abstract: Systems and methods relate to a temperature-controlled case. The temperature-controlled case includes a housing that defines a temperature-controlled space and an opening for providing user access to the temperature-controlled space. The case also includes a cooling element in thermal communication with the temperature-controlled space. The case further includes a modular plenum coupled to the housing and positioned behind the cooling element relative to the opening, wherein the modular plenum includes: at least one fan removably coupled to the modular plenum, wherein the at least one fan induces an air flow through the cooling element, and at least one electrical connector coupled to the modular plenum and positioned proximate each of the at least one fan for providing electrical power to each of the at least one fan.

Abstract: A treatment device includes a base having a battery, a UV-LED for providing UV-C light during a UV sterilization process, LEDs for providing visible light during the UV sterilization process, and a controller for initiating the UV sterilization process, a translucent ring on the base for receiving the visible light from the LEDs and outputting it to the user, a first coupling structure on the base, a UV transmissive material above the UV-LED module, and a water storage removably coupled to the base having a sidewall structure for confining water, a second coupling structure below the sidewall structure for coupling with the first coupling structure to thereby create a water-tight seal between the water storage and the base, and a translucent material disposed upon the top opening of the water storage for receiving the visible light from the LEDs and outputting it to the user.

Abstract: The invention concerns an air conditioning system for the conditioning of the air of a passenger compartment of a motor vehicle. The air conditioning system has a refrigerant circuit with a compressor, a refrigerant-coolant heat exchanger for desuperheating the refrigerant after the compression, a first refrigerant-air heat exchanger and a second refrigerant-air heat exchanger, and at least one coolant circuit. The coolant circuit has a heating heat exchanger for heating an air mass flow being supplied to the passenger compartment. The refrigerant-coolant heat exchanger is designed as a component of the coolant circuit having the heating heat exchanger. The air conditioning system is designed for an operation in refrigerator mode, in heat pump mode, and in afterheating mode for the heating, cooling, and dehumidification of the air being supplied to the passenger compartment. A valve arrangement switches the air conditioning system between the different operating modes.

Abstract: A camera antifogging assembly to prevent fogging of an internal camera due to temperature contrasts is coupled to a door of a refrigerator and includes a base, a camera, and an antifogging plate. The base is coupled to the door. The camera is coupled to the base. The antifogging plate includes a cover and a heat generator. The cover covers to the base. The heat generator is coupled to the cover and surrounds the camera. A refrigerator employing the camera antifogging assembly is also provided.

Abstract: A method and controller for Heating Ventilation or Air-Conditioning (HVAC), the controller having a processing unit and a storage device, the controller comprising: a mapping obtaining module for obtaining a mapping between a pair of a state of an HVAC unit and an action of the HVAC unit and between a measurement; an action determination component for determining an action to be taken by the HVAC unit in accordance with a current state of the HVAC unit; a measurement determination component for obtaining from the mapping a synthesized measurement that when transmitted to the HVAC unit is adapted to cause the HVAC unit to perform the action; and an HVAC communication module for transmitting the synthesized measurement to the HVAC unit.

Abstract: An automatic self-cleaning evaporator drain pan system, having a container housing with a chemical container and a smart control pump. The smart control pump has at least one microprocessor. An evaporator drain system has at least one sensor connected to the smart control pump; and further having an electrical system. The container housing has a container tubing, and a chemical conduit with first and second chemical delivery lines. The chemical conduit extends from the smart control pump to the evaporator drain system, transporting a chemical composition. In operation, the chemical composition is mixed with condensed water and drains from the drain outlet toward a drainage line, whereby the chemical composition prevents microorganism growth, algae, gunk and/or other solid material from forming on the drain pan and the drainage line.

Abstract: Multi-functional field maintenance (FM) tools that connect to process control devices, such as FOUNDATION Fieldbus and Highway Addressable Remote Transducer devices, can automatically detect and simultaneously identify communications, troubleshoot connections, and supply power in a process control plant. Simplifying the troubleshooting process, by guiding a user of a multi-functional FM tool through recommended troubleshooting steps, while simultaneously detecting and correcting issues reduces the number of tools required to maintain process control devices, reduces the risk of damage, and improves efficiency by minimizing production downtime.

Abstract: A method for testing a moisture sensor of a diesel engine includes: measuring, by an NOx sensor, an untreated NOx emissions content in exhaust gas of the diesel engine upstream of a Selective Catalytic Reduction (SCR) catalytic converter at particular steady-state operating points in a defined window, to obtain an actual concentration value of NOx emissions; determining an oxygen concentration in intake air from an intake pipe of the diesel engine, and converting the result obtained from the determination, by a characteristic curve, into an NOx concentration to obtain a model value of NOx concentration; comparing the actual value with the model value; and identifying a faulty condition of the moisture sensor if a deviation that exceeds a set value (R) is detected between the actual and model values.

Abstract: A refrigerator provides visual information indicating a map of the refrigerator and technical operations of the corresponding regions. The refrigerator includes a voice recognition function using a proximity sensor. The refrigerator has input/output (I/O) management functions for foods stored therein. The refrigerator communicates with a peripheral device over a network.

Abstract: A method which allows the ejection of non-condensable gases, notably air, from a closed loop power generation process or heat pump system, is disclosed. A vessel in which a working fluid is absorbed or condensed can be separated from the power generation processes by valves. Residual gas comprising C02, non-condensable gas such as air, water and alkaline materials including amines may be compressed by raising the liquid level in said vessel. The concurrent pressure increase leads to the selective absorption of C02 by alkaline materials. In simpler embodiments, mainly air is removed from one- or two-component processes. Following the compression, non-condensable gas may be vented, optionally through a filter. The method is simple and economic as vacuum pumps may be omitted. The method is useful for any power generation and Rankine cycle, and particularly useful for the power generation process known as C3 or Carbon Carrier Cycle.

Abstract: There is described an air conditioning system with a refrigerant circuit, wherein the air conditioning system includes a leakage detection system. The leakage detection system has a room temperature sensor, an inlet temperature sensor for detection of a refrigerant temperature at a refrigerant inlet of a refrigerant evaporator, and an outlet temperature sensor for detection of a refrigerant temperature at a refrigerant outlet of the refrigerant evaporator. The sensors (34, 36, 40) are coupled with a calculating unit. In addition, there is described a method for leakage detection, in which a room temperature of the room to be air-conditioned is detected before the refrigerant evaporator on an air inlet side, a refrigerant inlet temperature is detected at the refrigerant inlet of a refrigerant evaporator, and a refrigerant outlet temperature is detected at a refrigerant outlet of the refrigerant evaporator.

Abstract: A transport refrigeration system (TRS) for refrigeration of a transport unit is disclosed. The TRS includes an eutectic device, including an eutectic medium, connected to a refrigerant circuit and a cooling fluid circuit. A method for cooling with the eutectic device is also disclosed. The eutectic device including the eutectic medium is cooled with one or both of the cooling fluid circuit and/or the refrigerant circuit. The refrigerant circuit directs a refrigerant from a transport refrigeration unit.

Abstract: A refrigerating or food storage appliance for receiving containers within the appliance for storing a substance, the appliance including a cabinet at least partially defining an interior with an access opening, a door movably mounted to the cabinet to selectively open/close the access opening and at least partially defining the interior when the door selectively closes the access opening, at least one thermal imaging device for obtaining thermal image data of at least one container within the interior, and a control unit receiving the thermal image data.

Abstract: A refrigerator includes a main body on which a hinge for rotatably supporting the door is mounted, a base frame mounted on the main body and having a first hinge accommodating portion formed at one end portion and a second hinge accommodating portion formed at the other end portion that is opposite to the one end portion, a hinge cover mounted on one of the first hinge accommodating portion and the second hinge accommodating portion, and configured to cover the hinge, and a cover frame configured to be coupled with the base frame by sliding in a first direction or by sliding in a second direction that is opposite to the first direction.

Abstract: Systems and methods for treating and disinfecting water contained in a potable water tank. The systems and methods generally use one or more UV LEDs that are positioned along various portions of the water tank and that are configured to emit UV light/irradiation into the water contained therein.

Abstract: The invention is applied to control technologies, and provides an air conditioner control method and device, including collecting and storing current operating parameters of chillers, chilled water pumps and condenser water pumps of an air-conditioning system according to preset period; determining energy consumption increment of the air-conditioning system under operating status of an operating parameter to be adjusted relative to that under current operating status according to the current operating parameters and the operating parameter to be adjusted inputted by a user; and adjusting operating status of the air-conditioning system according to the operating parameter to be adjusted when the energy consumption increment is less than zero.

Abstract: A refrigeration system includes a refrigerant vapor compression unit including a compressor and one or more current sensors to determine a total system current draw. One or more pressure sensors are positioned to determine a refrigerant pressure in the refrigerant vapor compression unit. A controller compares the current draw on the system and the refrigerant pressure to selected acceptable ranges and determines a level of refrigerant charge in the refrigerant vapor compression unit. A method of determining a level of refrigerant charge in a refrigeration system includes measuring a refrigerant pressure in the refrigeration system and sensing a current draw of the refrigeration system. A level of refrigerant charge in the refrigeration system is calculated from the refrigerant pressure and the current draw.

Abstract: An air conditioning system for a vehicle may include a cooling module including a cooling duct, a cooling-side inlet formed in a first end of the cooling duct, a cooling-side indoor outlet and a cooling-side outdoor outlet formed in a second end of the cooling duct, and an evaporator core provided in the cooling duct, a heating module including a heating duct, a heating-side inlet formed in a first end of the heating duct, a heating-side indoor outlet and a heating-side outdoor outlet formed in a second end of the heating duct, and a plurality of condensers provided in the heating duct, and a cooling blower and a heating blower respectively provided in the cooling duct and the heating duct, in which the plurality of condensers provided in the heating duct and the evaporator core provided in the cooling duct are coupled on a single refrigerant circuit.

Abstract: A control method is provided for controlling a refrigerator that is connected to one or more electrical apparatuses, in which the refrigerator includes a door/drawer and a processor. The control method causes the processor to sense a change in an opened state or a closed state of the door/drawer and receive state information indicating an operation state of the one or more electrical apparatuses from the one or more electrical apparatuses, which are operable when the user is. The processor determines whether the user is cooking based on the received state information, and notifies the user of different information each time a change in the opened state or the closed state is sensed if a change in the opened state or the closed state is sensed when a determination is made that the user is cooking.

Abstract: A temperature regulator may include a housing extending longitudinally from a first, open end to a second, closed end. The housing may include an outer wall, an inner wall disposed radially inward from the outer wall, and an insulating medium disposed between the outer wall and the inner wall, wherein the insulating medium is a vacuum-sealed chamber having air substantially removed therefrom.

Abstract: A merchandiser including a case defining a product display area and having a base and a rear wall coupled to the base. The rear wall has a rear wall component that defines a channel. The case further includes a plurality of shoes partially disposed in the rear wall component within the channel and positioned below the base to support the case on a surface. Load-bearing foam insulation material is disposed in the channel and partially encloses the shoes. The shoes and the rear wall component are coupled together by the load-bearing foam insulation material.

Abstract: A separated back plane design within a server rack is provided which allows for the hot-swapping of a control module board. The separated back plane design consists of a base plane board and a control module board which connects to the base plane board. The base plane board can draw power from a power supply and can connect a number of electrical components which are not significantly susceptible to damage or failure. The control module board can consist of a number of other electrical components, which are susceptible to damage or failure. The control module board connects to the base plane board, and can be removed during failure of the control module board. When the control module board is removed from the base plane board, the base plane board and its functions continue to operate, and power need not be shut off in order to replace the control module board.

Abstract: An exterior member for a home appliance includes a front panel that defines an exterior of the home appliance, that is configured to cover a display assembly that includes a plurality of LEDs, and that includes a displaying part that defines a plurality of first through-holes at positions corresponding to the plurality of LEDs, the displaying part being configured to display operating information of the home appliance by transmitting light from the plurality of LEDs through at least a portion of the plurality of first through-holes. The exterior member further includes a front surface coating layer that is located on a front surface of the front panel and that is configured to shield the plurality of first through-holes. The exterior member further includes a hole-filling member that is configured to fill the plurality of first through-holes by coating a rear surface of the displaying part with a material.

Abstract: An apparatus for optimizing an efficiency of a refrigeration system, comprising means for measuring a refrigeration efficiency of an operating refrigeration system; means for altering a process variable of the refrigeration system during efficiency measurement; and a processor for calculating a process variable level which achieves an optimum efficiency. The process variables may include refrigerant charge and refrigerant oil concentration in evaporator.