Abstract: An electrophoretic display apparatus includes a first substrate including a thin film transistor, a second substrate attached to the first substrate and including electrophoretic particles and an electrophoretic dispersion medium, and a third substrate attached to the second substrate and including a color filter.

Abstract: A thin film transistor includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer that is insulated from the gate electrode and is electrically connected to the source and drain electrodes; an insulating layer that insulates the gate electrode from the source and drain electrodes or the organic semiconductor layer; and an ohmic contact layer that is interposed between the source/drain electrodes and the organic semiconductor and contains a compound having a hole transporting unit. By providing the ohmic contact layer, the ohmic contact between source/drain electrodes and the organic semiconductor layer can be effectively achieved and the adhesive force between the source/drain electrodes and the organic semiconductor layer is increased. In addition, a flat panel display having improved reliability can be obtained using the thin film transistor.

Abstract: Provided are a thin film transistor and an organic electrolumienscent display including the same. The organic electroluminescent display includes: a gate electrode; source and drain electrodes that are insulated from the gate electrode; an organic semiconductor layer that is insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer that insulates the gate electrode from the source and drain electrodes or the organic semiconductor layer; and an electron withdrawing layer composed of a Lewis acid compound formed between the source and drain electrodes and the organic semiconductor layer. Charges can easily accumulate so that a channel doping effect occurs in the semiconductor layer, thus preventing the formation of an energy barrier and increasing the number of carriers that are injected into a channel. As a result, a TFT having a low contact resistance, an large number of injected carriers, and good charge mobility can be obtained.

Abstract: A flexible flat panel display where nanoparticles are used for an active layer and the substrate is a flexible plastic, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) using the donor sheet, and a method of manufacturing a flat panel display device using the donor sheet. In making the TFTs in the display, a donor sheet is used to transfer the nanoparticles from the sheet to the substrate. The donor sheet can be manufactured at room temperature. The donor sheet has a base film, and a transfer layer being disposed at one side of the base film and transferable, wherein the transfer layer has a plurality of nanoparticles which are arranged to be approximately parallel to one another.

Abstract: A flexible flat panel display where nanoparticles are used for the active layer of the TFTs and the substrate is flexible and can be manufactured at room temperature, a flat panel display device having the same, a method of manufacturing a TFT, a method of manufacturing a flat panel display device, and a method of manufacturing a donor sheet. In making the TFTs in the display, a donor sheet is used to transfer the nanoparticles from the sheet to the substrate. The thin film transistor is placed on a substrate and includes a channel region which has at least one P-type or N-type nanoparticle arranged in a lengthwise direction, wherein the lengthwise direction of the P-type or N-type nanoparticles is parallel to a P-type or an N-type nanoparticle line partitioned off on the substrate.

Abstract: The present invention relates to an organic electroluminescent display device comprising a UV stabilizer and provides an organic electroluminescent display device whose characteristics are not degraded by ultraviolet rays even after being exposed to sunlight by providing an organic electroluminescent display device comprising a substrate, a first electrode formed on the substrate, a light emitting layer formed on the first electrode, and a second electrode formed on the upper part of the light emitting layer, wherein the light emitting layer is doped with a UV stabilizer, and the UV stabilizer has an absorption range of 420 nm or less.

Abstract: An organic light emitting display having red, green, blue, cyan, magenta, and yellow color modulation layers. The organic light emitting display includes a substrate, a first electrode arranged on the substrate, a second electrode arranged on the first electrode, an organic functional layer arranged between the first electrode and the second electrode, the organic functional layer comprises at least an emission layer, and red, green, blue, cyan, magenta, and yellow color modulation layers separated from each other, wherein one of the first electrode and the second electrode is transparent and is arranged between each color modulation layer and the emission layer. Accordingly, it is possible to maintain white balance even for an aged display while having enhanced color reproducibility.

Abstract: A donor substrate for use in a Laser Induced Thermal Imaging method includes a transfer film that includes a light-emitting layer made up of a host substance that includes a matrix material and a low molecular weight transporter, and a phosphorescent dopant. The transfer film is transferred in the formation of an organic EL device which includes a first electrode, a hole transport layer, a light-emitting layer, and the second electrode, wherein the light-emitting layer includes the light-emitting film. Accordingly, the light-emitting layer can be patterned, and a color purity and light emitting characteristics of a full color organic polymer EL device, produced through a laser induced thermal imaging operating, can be improved.

Abstract: An organic thin film transistor (TFT) includes: an organic semiconductor film; source and drain electrodes electrically connected to the organic semiconductor film; a gate electrode electrically insulated from the source and drain electrodes and the organic semiconductor film; and an organic acceptor film interposed between the source and drain electrodes and the organic semiconductor film.

Abstract: An organic light-emitting device has a color modulation layer. The method of fabricating an organic light-emitting device comprises providing a substrate, forming a first electrode positioned on the substrate and forming a second electrode positioned on the first electrode, wherein at least one of the first electrode and the second electrode is transparent. An organic functional layer having at least an emission layer is interposed between the first electrode and the second electrode. A color modulation layer formed by a laser-induced thermal imaging method is positioned on a surface opposite to a surface adjacent to the emission layer of the transparent electrode, wherein the color modulation layer is at least one of a color filter and a color conversion medium.

Abstract: An organic thin film transistor (OTFT) having an adhesive layer and a method of fabricating the same. The OTFT includes a gate electrode formed on a substrate, a gate insulating layer formed on the gate electrode and on remaining exposed portions of the substrate, an adhesive layer formed on the gate insulating layer, source/drain electrodes formed on the adhesive layer, and a semiconductor layer formed on the source/drain electrodes and on the adhesive layer. The gate insulating layer and the semiconductor layer are organic, the adhesive layer providing adhesion between the source/drain electrodes and the gate insulating film while preventing gate leakage current while also improving contact resistance.

Abstract: An organic EL device which includes a first electrode, a hole transport layer, a light-emitting layer, and the second electrode, wherein the light-emitting layer includes a mixed light-emitting film of a host substance, which is capable of transferring an energy to another light-emitting polymer by absorbing the energy, and a phosphorescent dopant which is capable of emitting light using a triplet state after absorbing the energy received. Accordingly, the light-emitting layer can be patterned, and a color purity and light-emitting characteristics of a full color organic polymer EL device, produced through a laser induced termal imaging operating, can be improved.

Abstract: Provided are a method of manufacturing an organic thin film transistor (TFT), the organic TFT manufactured using the method, and a flat panel display device comprising the organic TFT. The method includes: coating a lubricant on a predetermined region of a substrate where an organic semiconductor layer is not to be formed; coating an organic semiconductor layer on the entire substrate; heating the coated substrate to melt the lubricant; and releasing the organic semiconductor layer formed above the predetermined region from the substrate. According to the method, the organic semiconductor layer can be effectively patterned without damaging the substrate and the organic semiconductor material.

Abstract: An organic light-emitting device has a color modulation layer. The organic light-emitting device comprises a substrate, a first electrode positioned on the substrate and a second electrode positioned on the first electrode, wherein at least one of the first electrode and the second electrode is transparent. An organic functional layer having at least an emission layer is interposed between the first electrode and the second electrode. A color modulation layer formed by a laser-induced thermal imaging method is positioned on a surface opposite to a surface adjacent to the emission layer of the transparent electrode, wherein the color modulation layer is at least one of a color filter and a color conversion medium.

Abstract: Provided is an active matrix organic electroluminescent (EL) display device including an organic thin film transistor (TFT), preferably n-type, having a higher aperture ratio and easily realized in an array structure. The display device includes a facing electrode; an intermediate layer including at least a light emitting layer on the facing electrode; a pixel electrode formed on the intermediate layer; a first electrode located on the pixel electrode and insulated from the pixel electrode; a second electrode located on the pixel electrode and coupled with the pixel electrode; an n-type organic semiconductor layer contacting the first electrode and the second electrode; and a first gate electrode located on the n-type organic semiconductor layer and insulated from the first electrode, the second electrode, and the n-type organic semiconductor layer.

Abstract: An organic EL device which includes a first electrode, a hole transport layer, a light-emitting layer, and the second electrode, wherein the light-emitting layer includes a mixed light-emitting film of a host substance, which is capable of transferring an energy to another light-emitting polymer by absorbing the energy, and a phosphorescent dopant which is capable of emitting light using a triplet state after absorbing the energy received. Accordingly, the light-emitting layer can be patterned, and a color purity and light-emitting characteristics of a full color organic polymer EL device, produced through a laser induced thermal imaging operating, can be improved.

Abstract: A thin film transistor (TFT) has reduced contact resistance between an organic semiconductor layer and source and drain electrodes. In the TFT, organic semiconductor crystals can be grown satisfactorily so as to improve electrical properties of the TFT. A method of preparing the same and a flat panel display device including the TFT are disclosed.

Abstract: An organic light emitting display device, includes a substrate, at least one organic light emitting diode on the substrate, a functional layer including an opaque material and a light transmitting inorganic material, and an encapsulation layer on the organic light emitting diode, the encapsulation layer including at least one inorganic layer and at least one organic layer.

Abstract: A flat panel display device has a transistor in which cross-talk is minimized. The flat panel display device includes a substrate, a first gate electrode formed on the substrate, a first electrode insulated from the first gate electrode, a second electrode insulated from the first gate electrode and surrounding the first electrode in the same plane, a semiconductor layer insulated from the first gate electrode and contacting the first electrode and the second electrode, and a display element including a pixel electrode electrically connected to one of the first electrode and the second electrode.

Abstract: An organic electroluminescent display device includes a substrate, a first electrode formed on the substrate, an organic layer formed on the first electrode, and a second electrode formed on the organic layer. The organic layer includes an organic emission layer and an organic material layer, and the organic material layer has a surface with a roughness in a range of Rms 11 ? to 50 ?.