Abstract: A secondary battery and a method of manufacturing the same are disclosed. In one aspect, the method includes preparing an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator interposed therebetween. The method also includes freezing the electrode assembly after the electrode assembly is filled with an electrolyte solution, dipping the frozen electrode assembly in a liquid polymer material, retrieving the dipped electrode assembly from the liquid polymer material, and curing an external surface of the electrode assembly.

Abstract: A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly including i) a positive electrode plate on which a positive active material is formed, ii) a negative electrode plate on which a negative active material is formed, and iii) a separator separating the positive and negative electrode plates. The battery also includes a can accommodating the electrode assembly, wherein the can has an inner surface facing the electrode assembly, an inner active material layer formed on the inner surface of the can and a securing layer covering the inner active material layer.

Abstract: A secondary battery and a method of manufacturing the same are disclosed. In one aspect, the method includes preparing an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator interposed therebetween. The method also includes freezing the electrode assembly after the electrode assembly is filled with an electrolyte solution, dipping the frozen electrode assembly in a liquid polymer material, retrieving the dipped electrode assembly from the liquid polymer material, and curing an external surface of the electrode assembly.

Abstract: A secondary battery includes an electrolyte; an electrode assembly including: a first electrode plate including a first active material on a first base material, a second electrode plate opposite to the first electrode plate and including a second active material on a second base material, and a separator between the first and second electrode plates; a battery case accommodating the electrode assembly and the electrolyte; and a bridge member coupled between terminal portions having different polarities at the outside of the battery case, wherein the voltage of the secondary battery is ?0.1V to 0.1V.

Abstract: A method of manufacturing a secondary battery is disclosed. In one aspect, a method of manufacturing a secondary battery includes assembling the secondary battery by receiving an electrode assembly including a first pole plate, a second pole plate and a separator between the first and second pole plates, along with an electrolyte, in a battery case. The method further includes precharging the secondary battery, leaving the secondary battery at room temperature and performing first charging and first discharging of the secondary battery.

Abstract: A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly including i) a positive electrode plate on which a positive active material is formed, ii) a negative electrode plate on which a negative active material is formed, and iii) a separator separating the positive and negative electrode plates. The battery also includes a can accommodating the electrode assembly, wherein the can has an inner surface facing the electrode assembly, an inner active material layer formed on the inner surface of the can and a securing layer covering the inner active material layer.

Abstract: A field emission type surface light source device and an image display apparatus employing the same. The field emission type surface light source device includes a first substrate and a second substrate that are disposed to face each other; a sealing member that seals the first substrate and the second substrate; first electrodes and second electrodes that are disposed on the first substrate such that the first electrodes cross the second electrodes in an insulated state; electron emitters that are electrically connected to one of the first electrodes and the second electrodes; a phosphor layer that is disposed on one surface of the second substrate; a third electrode that is disposed on one surface of the phosphor layer; and a first terminal and a second terminal that are electrically connected the first electrodes and the second electrodes, respectively, and are disposed on a same side of the first substrate outside of a region sealed by the sealing member.

Abstract: A field emission panel is provided. The field emission panel includes a first substrate and a second substrate, a sealing member and a plurality of spaces which are disposed between the first substrate and the second substrate, a plurality of concave portions which are formed on a surface of the first substrate, a plurality of cathode electrodes which are disposed within each of the plurality of concave portions, a plurality of field emission materials which are disposed on each of the cathode electrodes, a plurality of gate electrodes which are fixed to areas of the surface of the first substrate which separate the concave portions of the first substrate with a gap therebetween, a light emission unit which is disposed on the second substrate, and a charging prevention resistance unit which is disposed on the first substrate, on a gap between a pair of gate electrodes.

Abstract: A field emission panel is provided. The field emission panel includes a first substrate and a second substrate, a sealing member and a plurality of spaces which are disposed between the first substrate and the second substrate, a plurality of concave portions which are formed on a surface of the first substrate, a plurality of cathode electrodes which are disposed within each of the plurality of concave portions, a plurality of field emission materials which are disposed on each of the cathode electrodes, a plurality of gate electrodes which are fixed to areas of the surface of the first substrate which separate the concave portions of the first substrate with a gap therebetween, a light emission unit which is disposed on the second substrate, and a charging prevention resistance unit which is disposed on the first substrate, on a gap between a pair of gate electrodes.

Abstract: A field emission type surface light source device and an image display apparatus employing the same. The field emission type surface light source device includes a first substrate and a second substrate that are disposed to face each other; a sealing member that seals the first substrate and the second substrate; first electrodes and second electrodes that are disposed on the first substrate such that the first electrodes cross the second electrodes in an insulated state; electron emitters that are electrically connected to one of the first electrodes and the second electrodes; a phosphor layer that is disposed on one surface of the second substrate; a third electrode that is disposed on one surface of the phosphor layer; and a first terminal and a second terminal that are electrically connected the first electrodes and the second electrodes, respectively, and are disposed on a same side of the first substrate outside of a region sealed by the sealing member.

Abstract: A light emission device and a display having the light emission device are provided. The light emission device includes first and second substrates arranged opposite to each other, an electron emission unit provided on the first substrate, a light emission unit provided on the second substrate, and spacers that are supportably disposed between the first and second substrates. The spacers are formed in a pillar configuration and each side of the spacers is arranged at an acute angle with respect to an edge of driving electrodes of the electron emission unit.

Abstract: An electron emission device includes a first substrate, a second substrate facing the first substrate, a scan electrode formed on the first substrate and having a width Sv, and a data electrode formed on the first substrate perpendicular to and crossing the scan electrode at a crossed region. A unit pixel is disposed in an area of the crossed region and has a pitch Pv. An insulating layer is disposed between the scan electrodes and the data electrodes. An electron emission region is electrically coupled the scan electrode or the data electrode, and the scan electrode and the unit pixel satisfy the following condition: 0.5?Sv/Pv?0.95.

Abstract: An embodiment of an electron emission device includes first and second substrates facing each other, unit pixels being defined on the first and the second substrates, an electron emission unit on the first substrate, phosphor layers on a surface of the second substrate facing the first substrate, each phosphor layer corresponding to at least one unit pixel, non-light emission regions between the phosphor layers, and spacers interposed between the first and the second substrates and arranged in the non-light emission regions, wherein the non-light emission regions comprise spacer loading regions loaded with the spacers, wherein a width of a spacer loading region and a pitch of the unit pixels satisfies the following condition: A/B?about 0.2, where A indicates the width of the spacer loading region and B indicates the pitch of the unit pixels located along the width of the spacer loading region.

Abstract: An electron emission device includes first and second substrates opposing one another with a gap therebetween. Cathode electrodes are formed on the first substrate. An insulation layer is formed covering the cathode electrodes and having apertures. Gate electrodes are formed on the insulation layer and have apertures at locations corresponding to the locations of the apertures of the insulation layer so as to expose the cathode electrodes. Electron emission regions are formed in the apertures on the cathode electrodes. An anode electrode is formed on the second substrate. An outer surface of the electron emission regions is formed with a shape similar to a shape of equipotential lines formed when there is no electron emission region in the apertures, and predetermined drive voltages are applied to the electrodes.

Abstract: A backlight unit functions as a surface light source of a non-emissive display device. The backlight unit includes a wire grid polarizer being formed in a single body.

Abstract: A light emitting device includes a plurality of light emission scan lines for transmitting light emission scan signals, a plurality of light emission data lines for transmitting light emission data voltages, a plurality of light emitting pixels for emitting electrons according to differences between an on voltage and the light emission data voltages, and first and second deflection electrodes. The light emission scan lines extend in a first direction, the light emission data lines extend in a second direction that crosses the light emission scan lines. The light emitting pixels are at areas defined by the light emission scan lines and the light emission data lines. The first and second deflection electrodes are parallel with each other in the first direction between the light emitting pixels.

Abstract: An electron emission display for improving brightness uniformity by compensating brightness deviation between respective elements. The electron emission display includes a display panel, a scan driver, a data driver, and a brightness compensator. The display panel includes a plurality of scan electrodes, a plurality of data electrodes, and a plurality of display elements respectively formed at crossing points of the scan electrodes and the data electrodes. The display elements respectively include an electron emitter. The scan driver applies a selection signal to the scan electrode. The data driver applies a data signal to the data electrode. The brightness compensator compensates brightness by changing the data signal when brightness deviation of the display elements is greater than a predetermined threshold value.

Abstract: An electron emission device, useful as a backlight unit, improves uniformity between pixels and maximizes post-processing effects. The electron emission device includes a base substrate with first electrodes extending on the base substrate, each of which includes a resistance layer formed at an end. The electron emission device also includes second electrodes electrically insulated from the first electrodes and electron emission sources formed on the first electrodes. The electron emission device is configured for current to flow through the resistance layer during a driving operation and for current to not flow through the resistance layer during an aging operation.

Abstract: A light emitting device includes a plurality of scan lines for transferring light emitting scan signals including a combination of an emission-on voltage and an emission-off voltage. A plurality of data lines extend in a direction crossing the plurality of scan lines and are configured to transfer light emitting data voltages. A plurality of light emitting pixels are respectively formed in regions defined by the plurality of scan lines and the plurality of data lines and are configured to emit electrons by a difference between the emission-on voltage and the light emitting data voltage. During a period in which the light emitting scan signals have the emission-on voltage, at least one of the emission-on voltage and the light emitting data voltages alternately has a first voltage and a second voltage lower than the first voltage.

Abstract: A field emission display (FED) includes first and second substrates opposing one another with a predetermined gap therebetween. The FED also includes cathode electrodes formed in a stripe pattern on the first substrate, and a plurality of electron emission sources formed on the cathode electrodes; gate electrodes formed on the first substrate in a state insulated from the cathode electrodes and the electron emission sources by an insulating layer; and anode electrodes formed on a surface of the second substrate opposing the first substrate, and including phosphor layers formed thereon. A pair of fixing rails are formed along two opposing edges of one of the first and second substrates, the fixing rails having undergone a blackening process; and a metal grid provided between the first and second substrates and welded to an upper surface of the fixing rails.