Abstract: An organic light emitting device and a method of fabricating the same are disclosed. The organic light emitting device includes an opaque substrate having one or more holes, and an organic emissive unit interposed between first and second electrodes positioned on the opaque substrate.

Abstract: A prism sheet, a backlight unit, and a liquid crystal display device, the prism sheet including a transparent substrate; and at least one prism on the transparent substrate, wherein a refractive index (n) and a basic angle (?) of the at least one prism satisfies the following condition: 1?n/sin ??4.

Abstract: An organic light emitting device and a method of fabricating the same are disclosed. The organic light emitting device includes an opaque substrate having one or more holes, and an organic emissive unit interposed between first and second electrodes positioned on the opaque substrate.

Abstract: Disclosed is an apparatus in a diversity system of a mobile terminal having a main receiving unit and a sub-receiving unit, which includes a sub-antenna for receiving an input signal and a part of a transmitted signal of a transmitting unit, a band-pass filter (BPF) designed to greatly attenuate a low-band frequency of the part of the transmitted signal received through the sub-antenna, a high-pass filter (HPF) for additionally attenuating the part of the transmitted signal attenuated through the BPF, a low-noise amplifier for minimizing a noise of an output value of the HPF, an HPF for passing therethrough only a high-frequency component of an output value of the low-noise amplifier, and a mixer for mixing output values of the HPF and outputting a baseband signal. One of two BPFs in the sub-receiving unit is replaced by one HPF, and thus the HPF can be fabricated on chip with the terminal receiving unit.

Abstract: An optical sheet for enhancing contrast ratio, a filter including the same, and an image display device including the optical sheet or the filter. The optical sheet includes: a light transmission portion including a plurality of grooves disposed at predetermined intervals in an end portion of the light transmission portion on one side; and a plurality of external light absorption portions each disposed in said each groove and comprising a composition completely or incompletely filling the groove, the composition comprising a light absorbable material, wherein at least one of the grooves comprises a recess portion formed on the top of the external light absorption portion. When used in the image display device, the optical sheet and the filter including the optical sheet can achieve a relatively high light transmission rate, prevent formation of ghost images, prevent the occurrence of the Moire phenomenon, and achieve a relatively high contrast ratio to maintain high resolution.

Abstract: An organic light emitting display is disclosed. The organic light emitting display includes a substrate, a thin film transistor positioned on the substrate, a planarization layer positioned on the thin film transistor, an emission unit, and a passivation layer. The emission unit is positioned on the planarization layer and electrically connected to the thin film transistor. The passivation layer is positioned on the substrate to cover an edge portion of the planarization layer.

Abstract: A plasma display device and method of driving the device is disclosed. The device includes a driving circuit for driving reset, address, and sustain periods during a subfield of a frame. The driving circuit includes a single switch which is used to drive a display electrode both during the reset period and during the sustain period. The switch being used for both periods removes the need for a second switch, thereby reducing manufacturing and design costs.

Abstract: An organic electroluminescence (EL) device capable of digital driving, and a method for manufacturing the same are disclosed herein. The organic EL device comprises a substrate, an anode formed on the substrate, an organic EL layer formed on the anode and constructed as a multilayer structure including a hole injection layer and a hole transport layer, a cathode formed on the organic EL layer, and an interface deterioration preventing layer formed between the anode and the organic EL layer.

Abstract: A plasma display includes an electrode, a first switch, a second switch, a third switch, an inductor, and a diode. The first switch is coupled to the electrode. The second switch is coupled between the electrode and a first power source to supply a first voltage. The third switch is coupled between the electrode and a second power source to supply a second voltage. The inductor is coupled between a second terminal of the first switch and a third power source to supply a third voltage. The diode is coupled in parallel with the inductor. The first switch includes a first and second transistors coupled in series, the first and second transistors being coupled back-to-back.

Abstract: A driving device for a plasma display panel including a plurality of address electrodes extending along a column direction and scan electrodes and sustain electrodes sequentially arranged in and extending along a row direction, the driving device being for applying a driving voltage to the scan electrodes and including: a falling reset unit for applying a gradually falling voltage from Vs voltage to the lowest voltage Vnf to the scan electrodes, during the falling ramp period; and a scan driver being for sequentially applying scan voltage VscL lower than the Vnf voltage by ?V to the scan electrodes in the address period, wherein the falling reset unit includes a falling ramp switch, a diode, and a Zener diode, which are connected in series.

Abstract: A direct-conversion receiver for a mobile communication system for substantially removing DC offset to recover an information signal from a carrier signal modulated by the information signal is disclosed.

Abstract: An organic light emitting device and a method of fabricating the same are disclosed. The organic light emitting device includes an opaque substrate having one or more holes, and an organic emissive unit interposed between first and second electrodes positioned on the opaque substrate.

Abstract: An organic light emitting display is disclosed. The organic light emitting display includes a substrate, a thin film transistor positioned on the substrate, a planarization layer positioned on the thin film transistor, an emission unit, and a passivation layer. The emission unit is positioned on the planarization layer and electrically connected to the thin film transistor. The passivation layer is positioned on the substrate to cover an edge portion of the planarization layer.

Abstract: A method of driving a discharge display panel is disclosed The method includes dividing a unit frame with a plurality of subfields for a time-division gradation display, and dividing each of the subfields into an initialization period, an addressing period, and a sustaining period, wherein a driving power for the initialization in a subfield having a large gradation weight is lower than that in each of the other subfields.

Abstract: Disclosed is an apparatus in a diversity system of a mobile terminal having a main receiving unit and a sub-receiving unit, which includes a sub-antenna for receiving an input signal and a part of a transmitted signal of a transmitting unit, a band-pass filter (BPF) designed to greatly attenuate a low-band frequency of the part of the transmitted signal received through the sub-antenna, a high-pass filter (HPF) for additionally attenuating the part of the transmitted signal attenuated through the BPF, a low-noise amplifier for minimizing a noise of an output value of the HPF, an HPF for passing therethrough only a high-frequency component of an output value of the low-noise amplifier, and a mixer for mixing output values of the HPF and outputting a baseband signal. One of two BPFs in the sub-receiving unit is replaced by one HPF, and thus the HPF can be fabricated on chip with the terminal receiving unit.

Abstract: Disclosed is a method and device for controlling power in a mobile Internet terminal which includes a transmitter and a receiver for transmitting and receiving frames each consisting of an uplink frame and a downlink frame to and from a base station. The method includes the steps of receiving information as to whether effective data is present in the uplink frame or the downlink frame from the base station; supplying power to the transmitter during a period in which effective uplink data is present according to the received information; and supplying power to the receiver during a period in which effective downlink data is present according to the received information. The device also includes a power controller for receiving information as to whether effective data is present, and supplying power to the transmitter or receiver during a period in which effective uplink data or downlink data are respectively present.

Abstract: A direct-conversion receiver for a mobile communication system for substantially removing DC offset to recover an information signal from a carrier signal modulated by the information signal is disclosed.