Abstract: A backlight unit that can perform local dimming, and has a structure for preventing light leakage and a cooling structure, and an image display apparatus employing the backlight unit. The backlight unit includes a light emitting arrangement adapted to radiate light and a plurality of light. shielding guides adapted to divide the light emitting arrangement into a plurality of unit blocks, the unit blocks being adapted to provide local dimming, the light shielding guides being further adapted to prevent light from traveling from one of said unit blocks to another of said unit blocks.

Abstract: Disclosed herein is a method of preparing a low resistance metal line, is a method of manufacturing a dispersion type AC inorganic electroluminescent device and a dispersion type AC inorganic electroluminescent device manufactured thereby, in which a light-emitting layer and a dielectric layer between a lower electrode and an upper electrode are simultaneously formed through a single process using spin coating, thereby simplifying the overall manufacturing process and decreasing the manufacturing cost, and furthermore, the contact interface between the light-emitting layer and the dielectric layer is increased, therefore increasing the brightness of the device.

Abstract: Provided are an electron multiplier electrode using a secondary electron extraction electrode and a terahertz radiation source using the electron multiplier electrode. The electron multiplier electrode includes: a cathode; an emitter disposed on the cathode and extracting electron beams; a gate electrode for switching the electron beams, the gate electrode being disposed on the cathode to surround the emitter; and a secondary electron extraction electrode disposed on the gate electrode and including a secondary electron extraction layer extracting secondary electrons due to collision of the electron beams.

Abstract: Provided is an anode panel of a field emission type backlight unit. The anode panel includes a substrate, an anode formed on a lower surface of the substrate, a phosphor layer coated on a lower surface of the anode and a liquid pack disposed on an upper surface of the substrate, said liquid pack having a transparent cover having cylindrical lens type curved portions and transparent liquid filling in the curved portions.

Abstract: A method of manufacturing a field emission device comprises: sequentially forming cathodes and a light blocking layer on a substrate, and patterning the light blocking layer to form blocking layer holes; sequentially forming an insulating layer and a gate material layer on the light blocking layer, and patterning the gate material layer to form gate electrodes in which gate electrode holes are formed; coating a photoresist on the gate electrodes, and exposing and developing the photoresist to form resist holes inside the gate electrode holes; isotropically etching portions of the insulating layer exposed through the resist holes to form insulating layer holes; etching portions of the gate electrodes exposed by the insulating layer holes to form gate holes, and removing the photoresist; and forming emitters on the cathode electrodes exposed by the blocking layer holes.

Abstract: A method of aging a field emission device including a cathode and an anode arranged parallel to each other, an emitter arranged on the cathode to emit electrons to the anode, and a gate electrode arranged on the cathode adjacent to the emitter, the method including: supplying a voltage to the cathode; supplying a voltage to the gate; and then supplying a sufficiently low voltage to the anode so as to prevent a short-circuited portion between the cathode and the gate electrode from being permanently damaged due to an overcurrent.

Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.

Abstract: A method of aligning carbon nanotubes (CNTs) and a method of manufacturing a field emission device (FED) using the same, wherein a mold having an intaglio pattern is prepared, an aqueous solution containing an amphiphilic organic material and the CNTs are coated on a surface of a substrate, the mold is adhered to the substrate surface to cause the aqueous solution to flow into the intaglio pattern by a capillary force, and the mold is removed from the substrate surface to vertically align the CNTs on the substrate surface.

Abstract: A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.

Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.

Abstract: A method of aligning carbon nanotubes (CNTs) and a method of manufacturing a field emission device (FED) using the same, wherein a mold having an intaglio pattern is prepared, an aqueous solution containing an amphiphilic organic material and the CNTs are coated on a surface of a substrate, the mold is adhered to the substrate surface to cause the aqueous solution to flow into the intaglio pattern by a capillary force, and the mold is removed from the substrate surface to vertically align the CNTs on the substrate surface.

Abstract: A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.

Abstract: A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.

Abstract: A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes.

Abstract: A solar cell integrated display device with a solar cell attached to one side of a display device and a method of fabricating the same. The solar cell integrated display device includes an emissive display device unit that includes a first transparent substrate, a first transparent electrode deposited on the transparent substrate, a second transparent electrode facing the first transparent electrode, and a light emitting layer between the first transparent electrode and the second transparent electrode and a polymer membrane coated on the second transparent electrode. The polymer membrane includes CNT, which allows for a smooth flow of electrons. A solar cell unit that supplies power to the display device unit is stacked on the polymer membrane.

Abstract: A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.

Abstract: A field emission type backlight device with high light efficiency may include a front substrate, a reflective substrate on the front substrate, a rear substrate separated from the front substrate by a predetermined gap, anode electrodes provided with a predetermined gap between them on the rear substrate, a light-emitting layer on the anode electrode, a cathode electrode and a gate electrode spaced apart on the rear substrate between the anode electrodes, and an electron emission source emitting electrons by electric field on the cathode electrode.

Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.