Abstract: Disclosed herein is a non-heat treatable magnesium alloy sheet, including: 1˜3 wt % of aluminum (Al); 0.5˜3 wt % of tin (Sn); and a balance of magnesium, wherein the maximum deviation of average Vickers hardness (Hv) thereof, caused by center segregation and inverse segregation, is 10 Hv or less.

Abstract: A ventilation device of a refrigerator is configured to prevent freezing of condensed water. The condensed water does not accumulate at the corresponding portion, and hence formation of ice is prevented. The generation of noise and the change of the efficiency of the ventilation fan do not occur, and the risk of ice contacting the shroud of the ventilation fan is reduced and reliability may be improved.

Abstract: A fan motor assembly and a refrigerator having the same are provided. The fan motor assembly may include a cover plate having a cool air suction opening formed therein, and at least one cool air duct flow path formed at an inner side wall of the refrigerator. A blower may be provided at an interior side of the cover plate to direct cool air into the at least one cool air duct flow path.

Abstract: Provided is an ignition plug used for an internal-combustion engine. The ignition plug includes: a center electrode; an insulator disposed outside the center electrode; a metal housing disposed outside the insulator; a ground electrode having an end connected to the metal housing and the other end facing the center electrode; and an electrode tip fixed to one or more of the center electrode and the ground electrode. The electrode tip is made of an alloy of iridium Ir, hafnium Hf, and niobium Nb. Therefore, the ignition plug with the low-cost iridium can have high resistance to prevent an iridium element from oxidizing and vaporizing in high speed driving conditions.

Abstract: An apparatus for storing food therein and method for manufacturing the same are disclosed. Space utilization efficiency can be enhanced by configuring a single-body duct diverging to different storage rooms. The present invention includes a first storage room and a second storage room to store food, and a duct unit includes a first duct to guide cold air into the first storage room, and a second duct to guide cold air into the second storage room. A scroll from which the first duct and the second duct diverge is located between the first and second ducts.

Abstract: A light guide plate having a pattern to minimize generation of a dark zone and a backlight unit including the same are disclosed. The light guide plate includes an intaglio pattern consisting of recesses formed in a surface opposite to a light emitting surface thereof to have a cross section having major-axis and minor-axis diameters and depth, the recesses being spaced apart from one another in first and second directions by first and second distances respectively. The density of the intaglio pattern is directly proportional to the major-axis and minor-axis diameters and depth, and is inversely proportional to the first and second distances. The intaglio pattern has the minimum density in a first region adjacent to a light source, and the maximum density in a second region that is the maximum distance from the light source. A density ratio of the maximum density to the minimum density is 900.

Abstract: A refrigerator is provided including a freezing chamber having a first evaporator and a first fan provided inside, and a refrigerating chamber having a second evaporator and a second fan provided inside. Further, the first and second fans may be configured to direct cool air generated by the first and second evaporators to the freezing and refrigerating chambers, respectively. Additionally, plurality of cool-air ducts may be provided in at least one of the freezing and refrigerating chambers, the cool air ducts may be configured to provide cool air to the freezing and refrigerating chambers via operation of the first and second fans, respectively.

Abstract: A cool air supplying apparatus is provided for a refrigerator. The cool air supplying apparatus includes a box fan motor integrally having a fan that blows cool air generated by an evaporator to a freezing chamber or a refrigerating chamber and a motor that drives the fan, a first passage that supplies cool air generated from the evaporator to the box fan motor, and a second passage that supplies cool air blown by the box fan motor to the freezing chamber or the refrigerating chamber. Since the box fan motor does not interrupt a cool air passage, energy loss may be decreased. Further, since the motor does not protrude towards the inside of the refrigerator, a capacity volume of the refrigerator may be increased.

Abstract: A backlight unit being scan-driven is discussed. The backlight unit according to an embodiment includes light sources configured to emit light, and a light guide plate disposed parallel to the light sources and configured to convert spotted lights entered from the light sources into two-dimensional light. The light guide plate includes a plurality of air barriers arranged at a fixed interval and configured to guide lights from the light sources in blocks with a width of the fixed interval.

Abstract: A LCD device according to an embodiment of the present invention includes a LCD panel including liquid crystal, and a backlight unit including a light emitting diode (LED) array including a plurality of LEDs, the plurality of LEDs having a peripheral LED disposed at a peripheral end of the LED array, and a light guide plate disposed below the LCD panel, each LED having a light emission surface to emit light to a light incidence surface of the light guide plate. The emission surface of the peripheral LED completely covers a peripheral end of the light incidence surface, the peripheral end of the light incidence surface being an area adjacent to a lateral surface of the light guide plate.

Abstract: Disclosed is a liquid crystal display (LCD) device in which low power LEDs with a dual lens structure re configured for application in a backlight device to increase the optical efficiency at low power, thus enhancing the brightness, such LCD device including: a lower cover; PCBs (Printed Circuit Boards) disposed on the lower cover for receiving power from the exterior; a main body mounted on the PCBs; R, G and B LED (Light Emitting Diode) devices disposed on the main body for emitting light; a first lens having a first curvature and mounted on the main body and housing the R, G and B LED devices; a second lens covering the outside of the first lens and having an inner curved surface with a second curvature having a varying radius of curvature, and an outer curved surface with a third curvature, wherein the second curvature of the inner curved surface is gradually increased from an edge portion toward a central portion; and a liquid crystal panel spaced apart from the second lens by a certain interval and to

Abstract: The present invention provides a cool air supplying apparatus for a refrigerator including a turbo fan configured to a grill forming a freezing space to blow cool air into the freezing space; and a shroud configured between a casing and the grill so as to cover the turbo fan and includes an opening part which sucks cool air, an orifice formed at an end of the opening part, an inclined part formed so as to incline toward the grill from one end of the orifice, and a flat part formed so as to be integrated with the inclined part and configured at a constant interval from the grill. Therefore, it is possible to increase the height of the blades of the turbo fan without increasing the total size of the refrigerator and causing resistance to the inflow of cool air.

Abstract: A refrigerator is provided that includes a fan that blows cool air generated by an evaporator to a freezing chamber or a refrigerating chamber; a scroll guide that discharges cool air discharged from the fan in two directions; a guide pipeline formed at the scroll guide in two directions, that guides cool air discharged from the scroll guide; and a cool air duct connected to the guide pipeline, that supplies cool air to the freezing chamber or the refrigerating chamber. An optimum scroll guide that can be applicable even when a plurality of cool air ducts are implemented is provided, thereby reducing a flow loss of cool air discharged from the fan and decreasing power consumption.

Abstract: A ventilating device and a refrigerator, more particularly, a ventilating device including a scroll (122) of an optimized structure and a refrigerator having the same are disclosed. The ventilating device includes a ventilation fan for ventilating air, a first duct (130) for allowing some of the air discharged from the ventilation fan to flow therealong, a second (140) duct for allowing at least some of the remaining air, excluding the air discharged from the ventilation fan and flowing along the first duct, to flow therealong, and a scroll for guiding the air discharged from the ventilation fan to the first duct (130) and the second duct (140), the scroll (122) being constructed in the shape of a spiral track in which a coefficient of expansion angle from a cutoff part to at least one of the first (130) and second (140) ducts is 0.35 to 0.4.

Abstract: A refrigerator that is capable of achieving smooth flow of cool air therein and improving cooling efficiency of a cooled evaporator (10) and a control method of the same that is capable of controlling operation time of an evaporator (10) and a fan (20), thereby improving cooling efficiency of the refrigerator are disclosed.

Abstract: A refrigerator and a control method for the same are disclosed. A refrigerator includes a body comprising a cooling compartment (10) and a storage compartment (10) provided in the cooling compartment (10) to form a predetermined cooling space, a cool air generation compartment (20) comprising a cooler and a fan to supply cool air, a partition plate (100) to partition a predetermined space into the cooling compartment (10) and the cool air generation compartment (20), the partition plate (100) comprising a main path to guide the cool air into the cooling compartment (10) and a bypass path (120) to guide the cool air into the storage compartment (30), and a cool air control unit (100) provided at the bypass path (120) to control the cool air supplied to the storage compartment (30) via the bypass path (120).

Abstract: A refrigerator that is capable of easily operating a storage chamber (30) where cooling is carried out independently from a cold chamber (10) is disclosed. The refrigerator includes a refrigerator body having a cold chamber (10) defined therein and a storage chamber (30) disposed in the cold chamber, a cool air generation chamber having a cooler and a fan (102) for supplying cool air mounted therein, a partition plate for partitioning the cold chamber (10) and the cool air generation chamber from each other, the partition plate having a main flow channel (103) for guiding the cool air supplied by the fan (102) to the cold chamber (10) and at least one cool air hole (201) located between the fan (102) and the main flow channel (103) for bypassing the cool air, and at least one bypass duct (200) for guiding the cool air bypassed through the at least one cool air hole (201) to the storage chamber (30).

Abstract: A cool air supplying fan motor assembly and a refrigerator having the same are disclosed. According to the cool air supplying fan motor assembly and the refrigerator having the same, because the fan motor assembly is configured to be compact, the capacity of a storage space of the refrigerator can be increased, and because a power line that supplies power to the motor does not interfere with the flow of cool air, the refrigerating efficiency of the refrigerator can be increased and vibration and noise can be minimized.

Abstract: Provided is an ignition plug used for an internal-combustion engine. The ignition plug includes: a center electrode; an insulator disposed outside the center electrode; a metal housing disposed outside the insulator; a ground electrode having an end connected to the metal housing and the other end facing the center electrode; and an electrode tip fixed to one or more of the center electrode and the ground electrode. The electrode tip is made of an alloy of iridium Ir, hafnium Hf, and niobium Nb. Therefore, the ignition plug with the low-cost iridium can have high resistance to prevent an iridium element from oxidizing and vaporizing in high speed driving conditions.

Abstract: A LCD device according to an embodiment of the present invention includes a LCD panel including liquid crystal, and a backlight unit including a light emitting diode (LED) array including a plurality of LEDs, the plurality of LEDs having a peripheral LED disposed at a peripheral end of the LED array, and a light guide plate disposed below the LCD panel, each LED having a light emission surface to emit light to a light incidence surface of the light guide plate. The emission surface of the peripheral LED completely covers a peripheral end of the light incidence surface, the peripheral end of the light incidence surface being an area adjacent to a lateral surface of the light guide plate.