Abstract: An organic light emitting display includes a substrate; a first pixel electrode disposed on the substrate; a second pixel electrode disposed on the substrate; a hole auxiliary layer disposed on the first pixel electrode and the second pixel electrode; a first organic emission layer disposed on the hole auxiliary layer in correspondence with the first pixel electrode and the second pixel electrode; a blue organic emission layer disposed on the hole auxiliary layer in correspondence with the first pixel electrode and the second pixel electrode, the blue organic emission layer being further disposed on the first organic emission layer; a non-doping blue organic emission layer disposed on the blue organic emission layer; an electron auxiliary layer disposed on the non-doping blue organic emission layer; and a common electrode disposed on the electron auxiliary layer.

Abstract: An organic light emitting device that obtains stable image qualities through prevention of any significant decrease in brightness at high temperature. The organic light emitting device includes an anode; a cathode facing the anode; an organic emitting layer interposed between the anode and the cathode; an electron transport layer interposed between the organic emitting layer and the cathode and comprising an alkali metal compound or an alkali earth metal compound; and a buffer layer interposed between the organic emitting layer and the electron transport layer.

Abstract: An organic light emitting diode display including a substrate, a first electrode on the substrate, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, and a p-doping layer between the first electrode and the light-emitting layer.

Abstract: Provided is an organic light emitting diode that is highly efficient and has a long lifespan. The organic light emitting diode includes a carbazole-based compound for improving light emission efficiency. In certain embodiments an electron transport layer can include an anthraces-based compound. The organic light emitting diode may be included in a flat display diode including a thin film transistor (TFT).

Abstract: In an aspect, a deposition apparatus including a deposition chamber, a first group deposition source unit, and a second group deposition source unit is provided. The deposition chamber may include a first standby area, a deposition area, and a second standby area. The deposition area may be located between the first and second standby areas. The first group deposition source unit may move to the deposition area from the first standby area and provides a first group deposition material to a base member located in the deposition area. The second group deposition source unit may move to the deposition area from the second standby area and provides a second group deposition material to the base member.

Abstract: A deposition apparatus includes: a deposition source including a spray nozzle linearly arranged in a first direction and discharging a deposition material; and a pair of angle control members disposed at both sides of the deposition source and controlling a discharging direction angle of the deposition material. Each angle control member includes a rotation axis parallel to the first direction, and a plurality of shielding plates installed about the rotation axis and separated from each other by a predetermined interval around the rotation axis. Although the deposition angle is changed according to the increasing of the process time, the deposition angle is compensated to form a uniform thin film. Also, the organic thin film may be uniformly deposited through each pixel of an organic light emitting diode (OLED) display, thereby increasing luminance uniformity for each pixel.

Abstract: An organic light-emitting device with an electron transport layer disposed between the organic emission layer and the second electrode and comprising an anthracene-based compound and a carbazole-based compound represented by Formula 1 below: with improved efficiency and lifetime and a method for preparing the same are provided.

Abstract: An organic light emitting diode (OLED) display and a method for fabricating the same. The OLED display includes: a substrate; a first electrode formed on the substrate and including a reflecting layer; an organic layer formed on the first electrode and including at least an organic emission layer; a second electrode formed on the organic layer; and an organic capping layer formed on the second electrode. The organic capping layer is formed by stacking an organic material having a refractive index of 1.7 or more, thereby providing a high-efficiency and long-life top-emitting OLED display.

Abstract: An organic light emitting diode display including a substrate, a first electrode on the substrate, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, and a p-doping layer between the first electrode and the light-emitting layer.

Abstract: An organic light-emitting device includes an emission layer between first and second electrodes, a first hole transport layer that is between the emission layer and the first electrode and that includes a first hole transport compound and a first electron acceptor, a second hole transport layer that is between the emission layer and first hole transport layer and that includes a second hole transport compound, a third hole transport layer that is between the emission layer and the second hole transport layer and that includes a third hole transport compound and a second electron acceptor, a fourth hole transport layer that is between the emission layer and the third hole transport layer and that includes a fourth hole transport compound, a buffer layer between the emission layer and the fourth hole transport layer, and an electron transport layer that includes a pyrimidine-based compound.

Abstract: A deposition apparatus includes a deposition source emitting a deposition material and an angle control member disposed on both sides of the deposition source and controlling an emission direction angle of the deposition material. The angle control member includes a housing having an internal space opened in an emission direction of the deposition material and a sliding member having a first end which is inserted into the internal space and a second end disposed on an emission path of the deposition material. The sliding member is movable forward and backward in the emission direction of the deposition material along the internal space. A method of manufacturing an organic light emitting diode (OLED) display which uses the deposition apparatus is also disclosed.

Abstract: A deposition apparatus includes a deposition source emitting a deposition material and an angle control member disposed on both sides of the deposition source and controlling an emission direction angle of the deposition material. The angle control member includes a housing having an internal space opened in an emission direction of the deposition material and a sliding member having a first end which is inserted into the internal space and a second end disposed on an emission path of the deposition material. The sliding member is movable forward and backward in the emission direction of the deposition material along the internal space. A method of manufacturing an organic light emitting diode (OLED) display which uses the deposition apparatus is also disclosed.

Abstract: A deposition apparatus includes: a deposition source including a spray nozzle linearly arranged in a first direction and discharging a deposition material; and a pair of angle control members disposed at both sides of the deposition source and controlling a discharging direction angle of the deposition material. Each angle control member includes a rotation axis parallel to the first direction, and a plurality of shielding plates inst7lled about the rotation axis and separated from each other by a predetermined interval around the rotation axis. Although the deposition angle is changed according to the increasing of the process time, the deposition angle is compensated to form a uniform thin film. Also, the organic thin film may be uniformly deposited through each pixel of an organic light emitting diode (OLED) display, thereby increasing luminance uniformity for each pixel.

Abstract: An organic light emitting device and a method of fabricating the same are disclosed. The organic light emitting device includes an anode and a cathode that comprises a magnesium-calcium layer. An organic layer having at least an organic emission layer is interposed between the anode and the cathode. The organic light emitting device may have reduced driving voltage characteristics, increased luminous efficiency characteristics, and improved lifespan characteristics without forming a separate electron injection layer because of the excellent electron injection characteristics.

Abstract: An organic light-emitting diode (OLED).

Abstract: An organic light-emitting device including: a substrate; a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and an electron transport layer between the emission layer and the second electrode, wherein the emission layer includes a blue emission layer, the electron transport layer includes a unit that includes a first single layer including a first material, a first mixed layer on the first single layer and including the first material and a second material, a second single layer on the first mixed layer and including the second material, a second mixed layer on the second single layer and including the first and second materials, and a third single layer on the second mixed layer and including the first material, wherein the first mixed layer has a thickness that is larger than that of the second mixed layer.

Abstract: An organic light-emitting display device includes a substrate, a plurality of pixel electrodes arranged in a matrix on the substrate, and an organic common layer covering the pixel electrodes. The pixel electrodes include a plurality of first pixel electrodes, a plurality of second pixel electrodes, and a plurality of third pixel electrodes. An n-th pixel column includes the second pixel electrodes and the third pixel electrodes arranged alternately, an (n+1)-th pixel column which is adjacent to the n-th pixel column includes the first pixel electrodes, and an (n+2)-th pixel column which is adjacent to the (n+1)-th pixel column includes the second pixel electrodes and the third pixel electrodes arranged alternately, wherein n is a natural number. One of the second and third pixel electrodes is disposed in the n-th pixel column in a row and the other one of the second and third pixel electrodes is disposed in the (n+2)-th pixel column in the same row.

Abstract: An organic electroluminescence device, and a method of manufacturing the same, where the device includes a substrate, a first electrode formed on the substrate, an organic layer formed on the first electrode and including at least an organic light-emitting layer, and a second electrode formed on the organic layer. The second electrode is made of an Mg—Ag layer having a thickness in a range of 170 ? to 200 ?.

Abstract: An organic light-emitting device including an emission layer including one or more emission layer of a red emission layer patterned in a red light-emitting region and a green emission layer patterned in a green light-emitting region and a blue emission layer formed as a common layer, wherein a blue emission is prevented in at least one region of the red light-emitting region and the green light-emitting region by adjusting the HOMO and LUMO levels of a host and a dopant of the green emission layer and/or the red emission layer.

Abstract: An organic light-emitting device and a method of manufacturing the same. The organic light-emitting device includes a substrate, a first electrode formed on the substrate, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport layer between the first electrode and the emission layer, and an electron transport layer between the second electrode and the emission layer. The hole transport layer includes a first hole transport unit comprising: a first hole transport layer comprising a hole transporting material, a third hole transport layer formed on the first hole transport layer and comprising a charge generating material; and a fifth hole transport layer formed on the third hole transport layer and comprising the hole transporting material.