Abstract: A method for fabricating a display device includes providing a substrate, forming an underlying layer over the substrate, forming an insulating layer over the substrate exposing the underlying layer, and forming an organic EL layer on the exposed portion of the underlying layer by a Laser Induced Thermal Imaging (LITI) method, wherein a thickness of the insulating layer is less than 500 nm.

Abstract: A display device includes an underlying layer formed over a substrate; an insulating layer formed over the substrate to expose the underlying layer; and an organic EL layer formed on the exposed portion of the underlying layer, wherein a thickness of the insulating layer is formed to a predetermined thickness to prevent defects in the organic EL layer that can occur in an edge portion of the exposed portion.

Abstract: The present invention relates to a carbazole-based phosphine oxide compound, and an organic electroluminescent device including the same. According to the present invention, provided are a compound for an organic electroluminescent device which can improve the thermal stability and efficiency characteristics which are unstable and low, respectively, corresponding to problems of known compounds for organic electroluminescent devices, and particularly, can implement excellent efficiency characteristics in a pure blue phosphorescent device, by using the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device, and the organic electroluminescent device. According to one aspect of the present invention, the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device is provided, and the organic electroluminescent device containing the same which can implement thermal stability and high efficiency characteristics is also provided.

Abstract: A panel for a liquid crystal display including a substrate, and at least one spacer formed over the substrate. The at least one spacer has a tapered shape with an inclination angle in the range of about 20- about 70 degrees and a height in the range of about 2.5- about 5.0 microns.

Abstract: An organic electroluminescent display (OELD) device and a method of fabricating the same are disclosed. The OELD device includes a substrate, a first electrode, an organic layer containing at least one light emitting layer, and a second electrode. The light emitting layer is comprised of at least one phosphorescent dopant and at least two host materials.

Abstract: Disclosed is a full color organic electroluminescence display device, comprising a substrate; a first electrode; organic film layers including red, green and blue emission layers and an electron transporting layer; and a second electrode. The thickness of the electron transporting layer, which is preferably formed as a common layer, is different in the red and green emission regions from that in the blue emission region so that the device has an excellent purity of color and improved luminous efficiency of red and green colors.

Abstract: An organic electroluminescent device is disclosed that includes an emission layer between a first electrode and a second electrode, and a buffer layer between the emission layer and the first electrode. The buffer layer includes a carbon-based compound and may be about 0.1 nm to about 100 nm thick. The organic electroluminescent device has greater driving voltage, better efficiency, and a longer life expectancy.

Abstract: A white organic light emitting diode (OLED) includes an emission layer that includes a blue emission layer and an emission layer excluding blue. The emission layer excluding blue includes a phosphorescent material and a mixture of a hole transporting material and electron transporting material.

Abstract: An organic electroluminescent (EL) device which has a light emitting layer composed of at least one phosphorescent dopant disposed between a first electrode and a second electrode; and a blue light emitting layer contacting the light emitting layer, wherein the light emitting layer has a hole transport material and an electron transport material as a host.

Abstract: A display device includes an underlying layer formed over a substrate; an insulating layer formed over the substrate to expose the underlying layer; and an organic EL layer formed on the exposed portion of the underlying layer, wherein a thickness of the insulating layer is formed to a predetermined thickness to prevent defects in the organic EL layer that can occur in an edge portion of the exposed portion.

Abstract: A display device includes an underlying layer formed over a substrate; an insulating layer formed over the substrate to expose the underlying layer; and an organic EL layer formed on the exposed portion of the underlying layer, wherein a thickness of the insulating layer is formed to a predetermined thickness to prevent defects in the organic EL layer that can occur in an edge portion of the exposed portion.

Abstract: An organic light-emitting device is provided that includes an emission layer containing a phosphorescent dopant and a bipolar phosphorescent host interposed between a first electrode and a second electrode. The bipolar phosphorescent host is a compound represented by formula 1: A—C—B??(1) where A is a hole transport unit, B is an electron transport unit, and C is a bond or a linking group. The bipolar compound can transport both holes and electrons. The organic light-emitting device has high efficiency and a long lifetime.

Abstract: An organic EL device is constructed with a first electrode, a light-emitting layer, a second electrode, and an organic layer which includes a biphenylenediamine compound and is interposed between the first electrode and the light-emitting layer. The organic layer formed between the first electrode and the light-emitting layer has both hole transport and hole injection properties. With this structure, the organic EL device has improved lifetime characteristics in spite of absence of a hole injection layer. A buffer layer including an organic compound with p-type semiconductive property may be further formed between the first electrode and the organic layer including the 4,4?-biphenylenediamine compound to facilitate hole injection from the first electrode and transport an injected hole to the light-emitting layer. Therefore, the organic EL device can have a lower driving voltage, thereby improving a device lifetime.

Abstract: An organic light emitting display device is disclosed. The device includes a substrate; a first electrode formed on the substrate; an organic layer including at least an emission layer and formed on the first electrode; and a second electrode formed on the organic layer. The emission layer includes a host and a dopant material. The dopant is one of materials having the structure of Formula 1, where R may be one selected from the group consisting of ethylene, an ethylene derivative, stilbene, a stilbene derivative. Also, R1 to R6 may be different from or equal to each other, and each is selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a substituted or unsubstituted C5 to C20 aryl group, a C3 to C30 heterocyclic group, and an aliphatic C3 to C30 hydrocarbon group.

Abstract: Provided is an organic light-emitting display device that can display a full color image by forming a simple structure of light-emitting layers and a method of manufacturing the same. The organic light-emitting display device includes a substrate; a first electrode layer formed on the substrate; a second electrode layer which is formed above the first electrode layer and faces the first electrode layer; and a light-emitting layer interposed between the first electrode layer and the second electrode layer, wherein the light-emitting layer comprises first and second light-emitting layers respectively corresponding to first and second pixels having different colors from each other, and the first light-emitting layer is commonly formed in the first and second pixels, and the second light-emitting layer is formed in the second pixel.

Abstract: Provided is an organic light-emitting display device that can display a full color image by forming a simple structure of light-emitting layers and a method of manufacturing the same. The organic light-emitting display device includes a substrate; a first electrode layer formed on the substrate; a second electrode layer which is formed above the first electrode layer and faces the first electrode layer; and a light-emitting layer interposed between the first electrode layer and the second electrode layer, wherein the light-emitting layer comprises first and second light-emitting layers respectively corresponding to first and second pixels having different colors from each other, and the first light-emitting layer is commonly formed in the first and second pixels, and the second light-emitting layer is formed in the second pixel.

Abstract: An organic electroluminescent device includes an emission layer interposed between a first electrode and a second electrode. The emission layer may be composed of a host material and a phosphorescent dopant material. The host material may be composed of a mixture of a hole transport material and an electron transport material. The hole transport material may be a carbazole compound and the electron transport material may include at least a compound selected from spirofluorenes and organic metal complexes. The use of the mixture facilitates the re-combination of holes and electrons in neighboring organic layers, thus decreasing the driving voltage and increasing the luminous efficiency and lifetime of the organic electroluminescent device.

Abstract: An organic light emitting device including a first electrode, a second electrode, and an emission layer arranged between the first electrode and the second electrode, the emission layer comprising at least two electron transport materials adapted to serve as a host and a phosphorescent dopant. The use of at least two electron transport materials as a host facilitates the re-combination of holes and electrons in neighboring organic layers, thus improving the luminous efficiency and the lifetime of the organic light emitting device.

Abstract: An organic electroluminescent display (OELD) device and a method of fabricating the same are disclosed. The OELD device includes a substrate, a first electrode, an organic layer containing at least one light emitting layer, and a second electrode. The light emitting layer is comprised of at least one phosphorescent dopant and at least two host materials.

Abstract: An organic electroluminescent display (OELD) device and a method of fabricating the same are disclosed. The OELD device includes a substrate, a first electrode, an organic layer containing at least one light emitting layer, and a second electrode. The light emitting layer is comprised of at least one phosphorescent dopant and at least two host materials.