Abstract: An organic light emitting device includes: a first electrode disposed on a substrate; a pixel defining layer disposed on the substrate e and patterned so that at least a portion of the first electrode is exposed in a light emitting region; a hole injection layer disposed over the pixel defining layer and the at least a portion of the first electrode exposed in the light emitting region; an organic thin film layer disposed over the hole injection layer; an electron injection layer disposed over the organic thin film layer; and a second electrode disposed on the electron injection layer, the second electrode having an opening configured to expose the electron injection layer in the light emitting region. The organic light emitting device may be implemented in a display device having excellent color-reproduction, when applied to the display device using white light as a light source and the large area display device.

Abstract: An approach is provided for manufacturing a nanostructure. A first thin film including a first block copolymer is formed on a substrate. A guide pattern is formed on the first thin film. A second thin film including a second block copolymer is formed between portions of the guide pattern. The second thin film is cured. The first block copolymer is a cylinder-type and the second block copolymer is a lamella-type.

Abstract: A polarizer includes a reflective polarizer main body and an Rth compensation layer. The reflective polarizer main body includes a repetitively laminated structure, the repetitively laminated structure including two layers of different refractive indices repetitively disposed on one another. The Rth phase compensation layer is disposed at one side of the reflective polarizer main body. The Rth phase compensation layer is configured to compensate for a phase difference in an Rth direction.

Abstract: Organometallic compounds and organic light-emitting devices including the same are provided. Each subject organometallic compound may be a transition metal complex comprising up to seven organic ligands including one to three ligands which are derivatives of one of 2-(pyrazole-3-yl)pyrimidine and 2-(1,2,4-triazol-3-yl)pyrimidine. Organic light-emitting devices including the subject organometallic compounds show lower driving voltages, higher luminences, higher efficiencies and better lifetime characteristics versus organic light-emitting devices including comparative organometallic complexes.

Abstract: A thin film transistor array panel includes a substrate, gate lines, each including a gate pad, a gate insulating layer, data lines, each including a data pad connected to a source and drain electrode, a first passivation layer disposed on the data lines and the drain electrode, a first electric field generating electrode, a second passivation layer disposed on the first electric field generating electrode, and a second electric field generating electrode. The gate insulating layer and the first and second passivation layers include a first contact hole exposing a part of the gate pad, the first and second passivation layers include a second contact hole exposing a part of the data pad, and at least one of the first and second contact holes have a positive taper structure having a wider area at an upper side than at a lower side.

Abstract: A display device is provided that can provide sufficient time for threshold voltage compensation of a driving transistor of each pixel during high-speed driving of the display device, and a method for driving the same. A data writing and threshold voltage compensation step of pixels at odd and even-numbered lines are concurrently performed during an extended time period so that the time available for threshold voltage compensation of the driving transistors can be increased.

Abstract: A display device includes a plurality of pixels and a power supply controller that includes a first power supply source unit supplying a high power supply voltage, and a second power supply source unit supplying a low power supply voltage. The high power supply voltage is different from the low power supply voltage. The power supply controller connects one of the first and second power supply source units to the plurality of the pixels. The one of the first and second power supply source units is switched to another of the first and second power supply source units at a switching time, at which the one of the first and second power supply source units stops operation.

Abstract: A display device is disclosed. In one embodiment, the device includes a display panel, a printed circuit board (PCB) disposed opposite to a rear of the display panel, and supplying a driving signal to the display panel, and a substrate bracket attached to an edge of the rear of the display panel, and supporting the PCB. The substrate bracket includes a bracket main body portion facing the PCB, a bracket coupling ledge bent and extending from a top of the bracket main body portion and enclosing a top of the PCB, and a bracket hook portion protruding from a bottom of the bracket main body portion in a direction toward the PCB, and supporting a bottom of the PCB.

Abstract: In a display apparatus, a light guide plate includes a chamfered corner portion that defines a light incident surface. A light source unit is arranged adjacent to the light incident surface to provide the light to the light guide plate through the light incident surface. A display panel receives light from the light guide plate to display an image. A receiving container includes sidewalls and a bottom portion to accommodate the light guide plate and the light source unit. At least one sidewall adjacent to the corner portion is divided into a first part and a second part that may be coupled to or separated from each other. Thus, the light guide plate and the light source unit may be easily accommodated in the receiving container, thereby improving an assembling efficiency.

Abstract: An organic electroluminescent (EL) display device having a plurality of pixel circuits formed at crossing points of a plurality of scan lines and a plurality of data lines is provided. Each pixel circuit includes at least two driving transistors connected to a first power voltage line, the at least two driving transistors receiving a data signal through at least one of the data lines and outputting a driving current corresponding to the data signal; and an organic light emitting diode having at least two first electrodes respectively connected to the at least two driving transistors and emitting a light corresponding to the driving current. The organic light emitting diode has the at least two first electrodes and a common second electrode per pixel in order to prevent the whole pixel from not operating due to a short circuit occurring between one of the first electrodes and the second electrode.

Abstract: In one aspect, an emission driving unit and an organic light emitting diode (OLED) display having the same are disclosed. The emission driving unit includes an input signal generating circuit that receives a FLM signal according to a first clock signal, receives a second clock signal according to the FLM signal, and outputs a sequential input signal. The emission driving unit also includes an inverter circuit that receives the FLM signal according to the first clock signal, and that inverts the FLM signal to generate an inverter output signal. The emission driving unit also includes an output switching circuit that outputs a first voltage having a logic high level or a second voltage having a logic low level as an emission signal in response to the inverter output signal. The input signal generating circuit, the inverter circuit, and the output switching circuit are implemented by transistors of the same kind.

Abstract: In a method of driving a display panel which includes a unit pixel including a first liquid crystal capacitor and a second liquid crystal capacitor, the first liquid crystal capacitor and the second liquid crystal capacitor are respectively charged with a high voltage and a low voltage which is less than the high voltage, during a first interval of a frame. The first liquid crystal capacitor and the second liquid crystal capacitor are both charged with a voltage between the high voltage and the low voltage, during a second interval of the frame after the first interval of the frame.

Abstract: An emitting device in an organic electroluminescent device is disclosed, in which a lower electrode pattern is formed on a substrate, an emitting layer pattern is formed on the lower electrode pattern, and a transparent electrode is formed on the emitting layer pattern and an emitting body having a structure in which an organic thin film emits light when an application current is applied to it. The pattern of the transparent electrode completely covers and is larger than that of the lower electrode. The pattern of the transparent electrode is formed over the entire area of the pattern of the lower electrode.

Abstract: A liquid crystal display device and a method of repairing bad pixels thereof, in which the bad pixels can be efficiently and easily repaired, includes a first insulating substrate, a gate wiring and a storage wiring arranged substantially parallel to each other in a first direction on the first insulating substrate, a data wiring intersecting the gate and storage wirings in an insulated manner and arranged substantially in a second direction, and a pixel electrode formed on a pixel area defined by the gate and data wirings. The storage wiring includes a horizontal portion arranged substantially in the first direction and at least a part of which does not overlap the pixel electrode, and a vertical portion branching off substantially in the second direction from the horizontal portion and overlapping the data wiring.

Abstract: In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.

Abstract: A liquid crystal display includes: a first substrate and a second substrate disposed opposite the first substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; a gate line which transmits a gate signal; first and second data lines which respectively transmit first and second data voltages, the first and second data voltages having opposite polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; a first subpixel electrode connected to the first switching element; and a second subpixel electrode connected to the second switching element. The first and second subpixel electrodes overlap portions of the first and second data lines. The first and second subpixel electrodes include first and second branches, respectively, which are alternately arranged between the first and second data lines.

Abstract: Facilitating the display of an image in a display system comprising a display panel having sub-pixels, and a backlight having individually addressable colored light emitters configured to provide light to the sub-pixels. From received image data, sub-pixel color values corresponding to color values transmitted by respective ones of the sub-pixels for display of the image are determined. From the image data, backlight values corresponding to brightnesses of ones of the colored light emitters for display of the image are determined, as are a portion of the sub-pixel color values and a portion of the backlight values that collectively correspond to a saturated or near-saturated yellow color in the displayed image. The backlight values are adjusted by increasing an amount of yellow light to be emitted by emitters of the backlight, and the color values are adjusted by decreasing an amount of yellow light to be transmitted by the sub-pixels.

Abstract: An organic layer deposition apparatus and a method of manufacturing an organic light emitting display apparatus by using the organic layer deposition apparatus. An organic layer deposition apparatus includes: a carrier including a chuck on which a substrate is mounted to form an organic layer; a scanning unit including a deposition unit for discharging a deposition raw material, and a patterning slit sheet having a plurality of patterning slits, the patterning slit sheet being smaller than the substrate in at least one of a first direction or a second direction perpendicular to the first direction; and a chamber accommodating the carrier and the scanning unit, the scanning unit being arranged to be spaced apart from the substrate and movable relative to the carrier.

Abstract: A backlight assembly includes a light guide plate (LGP) having a stepped portion formed at a corner of the LGP, an optical sheet disposed over the LGP and a receiving container receiving the LGP and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first LGP fixing portion. The second sidewall is adjacent to the first sidewall. The third sidewall faces the first sidewall. The fourth sidewall faces the second sidewall. The first through fourth sidewalls are extended upwardly from edge portions of the bottom plate. The first LGP fixing portion is formed at the first sidewall such that the LGP fixing portion corresponds to the stepped portion of the LGP. Therefore, a display device is easily assembled. Furthermore, a defilement that may occur during an assembling process may be reduced to enhance productivity.

Abstract: A method of planarizing a substrate includes forming a conductive pattern on a first surface of a base substrate, forming a positive photoresist layer on the base substrate and the conductive pattern, exposing the positive photoresist layer to light by irradiating a second surface of the base substrate opposite to the first surface with light, developing the positive photoresist layer to form a protruded portion on the conductive pattern, forming a planarizing layer on the base substrate and the protruded portion and eliminating the protruded portion.