Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator separating the positive electrode and the negative electrode from each other, a battery case including a space accommodating the electrode assembly, and at least one opening, a cap plate coupled to the battery case to close the at least one opening and including an electrolyte inlet through which an electrolyte is injected, and an elastic support disposed at least partially in close contact with a lower edge of the electrode assembly and mounted on an inner bottom surface of the battery case to elastically support the electrode assembly in a vertical direction.

Abstract: A secondary battery includes a case that accommodates an electrode assembly; a cap plate sealing an opening of the case and including a first exhaust hole, and having a first polarity; an insulating member disposed on a lower portion of the cap plate and including a second exhaust hole with a larger diameter than the first exhaust hole, and positioned to correspond to the first exhaust hole; a current collecting member disposed on a lower portion of the insulating member and electrically connected to the electrode assembly, and having a second polarity different from the first polarity; a guide member disposed in a lower portion of the second exhaust hole and electrically connected to the current collecting member; and a short-circuit member including a conductive material and disposed in the guide member to move to come into contact with the cap plate in response to pressure generated within the case.

Abstract: A secondary battery is disclosed. The secondary battery includes an electrode assembly, a case including an opening for insertion of the electrode assembly, and a cap plate including a bonding area welded to the case and closing the opening. The bonding area may include one or more support surfaces in contact with and supported by the case; and one or more chambers formed with a portion of the bonding area spaced apart from the case by the support surface.

Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator isolating the positive electrode and the negative electrode from each other, a battery case having an accommodation space accommodating the electrode assembly and including at least one opening, a cap plate coupled to the battery case to form the accommodation space, and a corner elastic member, having a rod shape, provided to be fixed to each of four corners of the cap plate, and formed of an elastic material.

Abstract: Secondary batteries are disclosed. In an embodiment of the disclosed technology, a secondary battery may include: a case that accommodates an electrode assembly; a cap plate disposed on the case to seal an opening of the case; an electrolyte injection port disposed in the cap plate to inject an electrolyte into an internal space of the case; a sealing member that seals the electrolyte injection port. The sealing member may include: an inner cap fastened to an inner surface of the electrolyte injection port; and an outer cap inserted into and fastened to the inner cap and configured to elastically compress the inner cap toward the inner surface, thereby improving the safety of the secondary battery.

Abstract: A secondary battery is disclosed. The secondary battery includes an electrode assembly, an insulating casing accommodating the electrode assembly therein, and a case accommodating the insulating casing therein. The insulating casing includes an upper insulating casing having a first traverse overlapping portion, and a lower insulating casing having a second traverse overlapping portion overlapping the first traverse overlapping portion to form a traverse overlapping portion.

Abstract: A secondary battery includes a case accommodating an electrode assembly therein, a cap plate sealing an opening of the case, and a vent provided in one or more of the case and the cap plate, wherein the vent includes: a notch induced to rupture according to internal pressure of the case and one or more bending guides inducing roll up deformation of each ruptured region. By rolling up the vent, the area of an outlet may be appropriately secured and maintained after the vent ruptures.

Abstract: A secondary battery is provided. The secondary battery includes a case accommodating an electrode assembly therein, a cap plate including a vent and sealing an opening of the case, and a side insulator disposed on a lower portion of the cap plate. The side insulator includes a vent cover portion including a main chamber and disposed below the vent, and an assembly bracket on which the vent cover portion is disposed.

Abstract: A wafer processing apparatus may include a light source unit emitting a first beam, a first spatial laser modulator reflecting the first beam, a beam expander adjusting a divergence angle of the first beam, a sensor unit emitting a second beam, a second spatial laser modulator reflecting the second beam, a galvanometer reflecting the first beam or the second beam, and a condensing lens refracting the first beam or the second beam. The sensor unit may receive position information generated while the second beam is moving in a first direction on a wafer. The first beam may be condensed to a condensing point by the condensing lens. Angle information for controlling a height level of the condensing point may be generated based on the position information. The beam expander may adjust the divergence angle of the first beam based on the angle information.

Abstract: An apparatus for substrate dicing includes: a laser beam emitter outputting a laser beam; a stage on which a test substrate is loaded, wherein the test substrate includes a sample substrate and a test film; a laser beam modulator modulating the laser beam to output a modulated beam; an optical system transferring the modulated beam into the sample substrate; a camera capturing the modulated beam that is reflected from the test film; and a controller generating a control signal based on at least one of a reaction point being formed in the test film or a shape of the reaction point of the test film being biased toward one side with respect to a central axis, wherein the laser beam modulator is configured to modulate the laser beam based on the control signal to output the modulated beam.

Abstract: In the present application, a sharp visible light transmission band can be obtained while efficiently and accurately blocking ultraviolet light near the short-wavelength visible light region and infrared light near the long-wavelength visible light region, and the ripple phenomenon can be minimized regardless of the incident angle. It is possible to provide an optical filter capable of obtaining high visible light transmittance while securing the above characteristics even in the case where a near-infrared absorption glass is used as a substrate.

Abstract: An optical member and a display including the same are provided. The optical member includes a first layer that includes a convex part, which includes a plurality of protrusions, and a cover having a refractive index lower than that of the convex part and a second layer that is located on at least one side of the first layer and includes a plurality of scattering particles dispersed in the interior thereof.

Abstract: An optical member and a display including the same are provided. The optical member includes a first layer that includes a convex part, which includes a plurality of protrusions, and a cover having a refractive index lower than that of the convex part and a second layer that is located on at least one side of the first layer and includes a plurality of scattering particles dispersed in the interior thereof.

Abstract: A lubricating device of a reciprocating compressor includes a pumping unit for pumping lubrication oil contained in a lower portion of a case and a front frame having a supply hole which supplies the lubrication oil pumped from the pumping unit to a sliding part within the case and a discharge hole which discharges the lubrication oil upon completion of a lubrication operation. A lubrication oil storage is arranged at a front of the discharge hole for storing the lubrication oil discharged to the discharge hole for a predetermined time and then discharging the lubrication oil. A lubrication oil guide is provided for guiding the lubrication oil discharged from the discharge hole to a lower portion of the case in order to prevent the lubrication oil discharged through the discharge hole from flowing to an air hole formed at a front frame.

Abstract: A plasma display panel includes two substrates spaced from each other by a predetermined interval so as to form a space therebetween, barrier ribs dividing the space between the two substrates, thereby defining discharge cells, a drive electrode installed for a plasma discharge in the discharge cells, discharge gas filled in the space and a fluorescent layer on at least one part of the substrates and the barrier ribs. The drive electrode includes an address electrode and a sustain electrode, the sustain electrode includes main electrodes aligned in rows and auxiliary electrodes connected to the main electrodes, and at least a part of the auxiliary electrodes extends obliquely to the main electrodes.

Abstract: A reciprocating compressor includes a frame unit disposed in a container; a reciprocating motor disposed in the frame unit; a cylinder disposed in the frame unit; a piston performing a linear reciprocating motion; a valve unit installed at the front of the frame unit and the piston so as to suck/discharge gas; and a front coil spring arranged on the frame unit in order to support the linear reciprocating motion of the piston elastically and prevent breakage of construction parts abutting on the piston when the piston moves over a top dead center.

Abstract: A reciprocating compressor includes: a reciprocating motor, an outer stator and an inner stator provided with at least one step portion at both sides thereof, and an armature linearly moving therebetween; a compression unit having a cylinder and a piston inserted in the cylinder to receive a linear and reciprocal driving force of the reciprocating motor and compress a gas; a suction unit sucking a gas into the compression unit; a discharge unit discharging the gas compressed in the compression unit to outside the container; a resonance spring unit elastically supporting the piston and the armature; and a frame unit supporting the compression unit and the reciprocating motor. Because stable driving is achieved in its operation, generation of vibration and noise can be minimized, heightening reliability. In addition, the amount of gas discharge can be accurately controlled.

Abstract: A reciprocating compressor including: a closed container (10); a reciprocating motor (20) having stators and an armature (22) disposed in the air gap between the stators (21) and making a reciprocal movement; a compression unit (30) having a piston (31) combined with the armature (22) of the reciprocating motor and a cylinder fixed inside the closed container (10); a spring unit (50) elastically supporting the armature (22) of the reciprocating motor (20) in a movement direction; and a frame unit (100) supporting the reciprocating motor (20) and the compression unit (30) having a gas hole (111) at a suitable portion thereof. Accordingly, when the armature (22) of the reciprocating motor (20) makes a reciprocal movement, the gas is compressed at the end of the armature (22), so that an increase of a flow resistance is prevented.

Abstract: In a reciprocating compressor including a first frame for supporting a cylinder of a compressing unit, a second frame for supporting a side of an outer stator of a motor unit and a third frame for supporting the other side of the outer stator and an inner stator of the motor unit, wherein the motor unit is arranged between the second and third frames, they are combined with each other, and the assembly is combined with the first frame. Accordingly, a reciprocating compressor is capable of reducing a fabrication cost by eliminating precise processing of construction parts and simplifying an assembly process by constructing a reciprocating motor as one assembly and combining it with a compressing unit.

Abstract: A reciprocating motor for a reciprocating type compressor includes a bobbin having a coil wound inside thereof, a terminal formed at one side of the bobbin, for electrically connecting the coil and an external circuit, a core part at which a plurality of lamination sheets are radially stacked in a circumferential direction centering around the bobbin, and a fixing part for fixing at least one lamination sheet at the inner side of the core part. With this construction, the lamination sheets making the core part is prevented from vibrating and the collision between the lamination sheets and the terminal is prevented, so that when the motor operates, its noise is reduced and reliability of the operation of the motor is heightened.