Abstract: Provided are an organic electroluminescent device and a fabrication method thereof. The organic electroluminescent device includes a first substrate, a second substrate, an organic electroluminescent layer formed on the first substrate, a thin film transistor formed on the second substrate, and first and second seal lines attaching the first and second substrates to each other.

Abstract: An apparatus for demagnetizing a shadow mask includes a shadow mask stocker, a cassette in the shadow mask stocker, wherein at least one shadow mask is disposed in the cassette, and a demagnetizing device that generates a magnetic field by an alternating current (AC), thereby removing magnetism of the at least one shadow mask.

Abstract: A backlight unit for a display device includes a frame; a first circuit board extending along one end of and on a first surface of the frame; lamps over the frame, one end of each of the lamps disposed on the first circuit board; a first line on the first circuit board and connected to the one end of each of the lamps; and a first inverter on a second surface of the frame and connected to the first line via a first hole through the frame.

Abstract: An OLED device and a manufacturing method thereof, which can secure the life span and reliability and can improve light efficiency, is disclosed. To this end, the device and method disposes organic light emission diode elements on a substrate. On the substrate with the organic light emission diode elements, a sealant layer having a micro-lens portion is disposed, thereby shielding the organic light emission diode elements from external moisture and/or oxygen.

Abstract: A lamp driving device includes a switch circuit for supplying a signal; a transformer which boosts a voltage of the signal from the switch circuit and supplies the boosted voltage to at least one lamp; a safety circuit which compares a threshold value with at least one of the boosted voltage and a current through the lamp, and intercepts at least one of the boosted voltage and the current through the lamp in accordance with the comparison result; and a warming part for warming the lamp in an early stage with a voltage less than or equal to the threshold value.

Abstract: An organic electroluminescent device and a method of fabricating the same are provided. The organic electroluminescent device includes a first substrate, a second substrate, a thin film transistor formed on the first substrate, a light emitting diode comprising first and second electrodes and an organic luminescent layer that are formed on the thin film transistor, and first and second passivation layers formed on the first substrate on which the light emitting diode is formed.

Abstract: An organic light emitting display device that is capable of preventing the permeation of moisture by changing a sealing structure, thereby preventing the degradation of pixels and thus improving look-and-feel characteristics and a method of manufacturing the same are disclosed.

Abstract: A lamp driving device for driving a plurality of lamps in a liquid crystal display device and a liquid crystal display device using a lamp driving device are provided. The lamp driving device includes an inverter substrate, a plurality of transformers on the inverter substrate to supply a high voltage AC waveform to each of the lamps; and a plurality of pattern capacitors on the inverter substrate to limit the electric current supplied to each of the lamps. The patterns capacitors have a plurality of capacitor patterns on a front surface of the inverter substrate with a designated distance therebetween and a first ground line on a rear surface of the inverter substrate overlapping the capacitor patterns.

Abstract: Provided are an organic electroluminescent device and a fabrication method thereof. The organic electroluminescent device includes a first substrate, a second substrate, an organic electroluminescent layer formed on the first substrate, a thin film transistor formed on the second substrate, and first and second seal lines attaching the first and second substrates to each other.

Abstract: A display device includes a display panel; a plurality of lamps facing the display panel and arranged in parallel; and at least one transformer connected to the plurality of lamps, wherein the at least one transformer is disposed at a lower portion of the display device adjacent to a ground. A transformer may include a driving transformer and a compensation transformer, where the compensation transformer may be connected to one or more lower lamps and the driving transformer may be connected to the remainder of the lamps. The output voltages of the compensation transformer and the driving transformer may differ.

Abstract: A method for manufacturing light emitting devices is provided. The method may reduce the inner pressure of a laminated image emitting device panel, thereby preventing failure of the panel. The method includes holding a first substrate with a lower chuck located in a vacuum chamber; holding a second substrate with an upper chuck located opposite the first chuck in the vacuum chamber; creating a high vacuum in the vacuum chamber; correcting positions of the first substrate and the second substrate; supplying gas having a temperature of about 50 to about 200° C. into the vacuum chamber; temporarily laminating the first substrate and the second substrate; venting the vacuum chamber; and bonding the first substrate and the second substrate. The panel is laminated after being filled with a heated gas and thus, when it is exposed to room temperature, the mobility of the gas decreases while reducing its initial inner pressure, thereby preventing panel failure.

Abstract: A backlight unit for a display device includes a frame; a first circuit board extending along one end of and on a first surface of the frame; lamps over the frame, one end of each of the lamps disposed on the first circuit board; a first line on the first circuit board and connected to the one end of each of the lamps; and a first inverter on a second surface of the frame and connected to the first line via a first hole through the frame.

Abstract: A backlight unit for a display device includes a frame; a circuit board extending from an end of and on a first surface of the frame; lamps over the frame; an inverter on a second surface of the frame connected to an end of each of the lamps via a first hole through the frame; and balancing elements on the circuit board for balancing a current through each of the lamps.

Abstract: A method for driving backlight unit includes generating at least one pulse, after generating the at least one pulse, generating a driving signal having a constant state, supplying a predetermined capacitor voltage to a lamp assembly, wherein the predetermined capacitor voltage corresponds to the at least one pulse, and supplying a second voltage to the lamp assembly supplied with the predetermined capacitor voltage, wherein the second voltage corresponds to the driving signal and wherein the lamp assembly emits light in response to the supplied second voltage.

Abstract: A flat light-emitting lamp includes a first common discharge unit for producing a first electrical discharge according to a first AC waveform having a first phase, a second common discharge unit for producing a second electrical discharge according to a second AC waveform having a second phase different from the first phase, and a plurality of discharge tubes each having first ends connected to the first common discharge unit and second ends connected to the second common discharge unit. The discharge tubes emit light according to the electrical discharges of the first and second common discharge units.

Abstract: Provided are an organic electro-luminescence display device and a method of manufacturing the same. The organic electro-luminescence display device includes a first substrate, a second substrate facing the first substrate and including an organic electro-luminescence diode, and a sealant interposed between the first substrate and the second substrate to seal the organic electro-luminescence diode from outside and attach the first substrate to the second substrate. Herein, the sealant is formed of a frit glass.

Abstract: An organic electro-luminescence display device includes a thin film transistor on a first substrate, where the thin film transistor has a drain region and a common electrode connected to the drain region. An organic electro-luminescence diode resides on a second substrate, where the organic electro-luminescence diode includes a spacer covered with a diode electrode. First and second sealant materials reside at a periphery of the first and second substrates, where the first sealant material surrounds the thin film transistor and the organic electro-luminescence diode, and the second sealant material surrounds an outer perimeter of the first sealant material. The first and second substrates are bonded together, such that the common electrode of the thin film transistor contacts the diode electrode of the organic electro-luminescence diode. The bonding process is carried out by sequentially sealing the first sealant material and the second sealant material.

Abstract: An apparatus for demagnetizing a shadow mask includes a shadow mask stocker, a cassette in the shadow mask stocker, wherein at least one shadow mask is disposed in the cassette, and a demagnetizing means that generates a magnetic field by an alternating current (AC), thereby removing magnetism of the at least one shadow mask.

Abstract: A display device includes a display panel; a plurality of lamps facing the display panel and arranged in parallel; and at least one transformer connected to the plurality of lamps, wherein the at least one transformer is disposed at a lower portion of the display device adjacent to a ground. A transformer may include a driving transformer and a compensation transformer, where the compensation transformer may be connected to one or more lower lamps and the driving transformer may be connected to the remainder of the lamps. The output voltages of the compensation transformer and the driving transformer may differ.

Abstract: A liquid crystal display device includes a liquid crystal panel including first and second substrates facing each other, a liquid crystal layer between the first and second substrates, and a backlight unit having at least one optical film adjacent to the liquid crystal panel, a fluorescent lamp adjacent to the at least one optical film, and at least one set of three light emitting diodes adjacent to the fluorescent lamp.