Patent application number | Description | Published |
20080241561 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting display device and a method of fabricating the same, in which a resonance effect is suppressed and transmittance is substantially the same in a wavelength band of visible light. The organic light emitting display device includes: a substrate; a first electrode disposed on the substrate and including a reflection layer; an organic layer disposed on the first electrode and including a white emission layer; a second electrode disposed on the organic layer; a transmittance controlled layer disposed on the second electrode; and a metal layer disposed on the transmittance controlled layer. | 10-02-2008 |
20080309224 | Organic light emitting display apparatus - An organic light emitting display apparatus includes: a substrate; a display unit including a plurality of subpixels arranged on the substrate, the plurality of subpixels respectively emitting different colored light; a sealing substrate arranged on the display unit; a micro lens unit including a plurality of micro lenses arranged on a surface of the sealing substrate facing the display unit; barrier ribs arranged between the sealing substrate and the substrate to define a space between the micro lens unit and the display unit; and a black matrix arranged under the barrier ribs. | 12-18-2008 |
20080309230 | Full color organic electroluminescence display devices by thermal patterning using laser and method for manufacturing the same - An organic electroluminescence display device made by a laser induced thermal imaging process has a substrate having first and second electrode layers, and an organic layer having red, green, and blue light-emitting layers between the electrode layers. Thermosetting light-emitting materials are used to form the red, green, and blue light-emitting layers, and a laser is then selectively irradiated onto a light-to-heat conversion layer formed on the substrate to deliver heat energy converted from light energy through the light-to-heat conversion layer to the thermosetting light-emitting materials so that curing is progressed to form patterned light-emitting layers. In accordance with the fabrication method of the present invention, the light-emitting materials may be patterned using a laser, thereby fabricating a large scaled organic electroluminescence display device and simplifying the process by not using a mask when the light-emitting layers are formed. | 12-18-2008 |
20090072229 | THIN FILM TRANSISTOR, METHOD OF FABRICATING THE THIN FILM TRANSISTOR, ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE, METHOD OF FABRICATING THE ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE, AND DONOR SUBSTRATE FOR LASER INDUCED THERMAL IMAGING - A thin film transistor (TFT), a method of fabricating the TFT, an organic light emitting diode (OLED) display device, a method of fabricating the OLED display device, and a donor substrate for laser induced thermal imaging (LITI) includes interconnections formed of a mixed layer of metal nanoparticles and carbon black using a laser induced thermal imaging (LITI) technique. | 03-19-2009 |
20090179565 | Organic electroluminescent display and method for fabricating the same - An organic electro luminescent display with auxiliary layers on a cathode contact and an encapsulating junction region to easily remove polymer organic layers of the junction. The organic electro luminescent display has the first electrode formed on a lower insulating substrate, a pixel defining layer formed to make some portions of the first electrode opened over the entire surface of the lower insulating substrate, an organic emission layer formed on an opening of the first electrode, the second electrode formed on the organic emission layer, an upper substrate for encapsulating the first electrode, the organic emission layer and the second electrode, and auxiliary layers formed on the cathode contact and the encapsulating junction region of the lower insulating substrate. | 07-16-2009 |
20090202950 | LASER IRRADIATION APPARATUS AND METHOD OF FABRICATING ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - Provided are a laser irradiation apparatus and method of fabricating an organic light emitting display using the same. The laser irradiation apparatus includes a mask positioned below the laser generator, and the mask is patterned such that lengths of an upper portion and a lower portion of a mask pattern are patterned longer than a length of a middle portion of the mask pattern with respect to the scanning direction. The method of fabricating an organic light emitting display includes scanning a laser beam on a predetermined region of the donor substrate using the laser irradiation apparatus to form an organic layer pattern on the substrate. When the organic layer pattern is formed using a laser induced thermal imaging (LITI) method, the transfer may be carried out using a laser beam having low energy, laser beam efficiency may be enhanced, the organic layer may be less damaged, and the quality of the organic layer pattern to be transferred may also be enhanced. | 08-13-2009 |
20090236977 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode (OLED) display device and a method of fabricating the same. The OLED display device includes a substrate, a thin film transistor on the substrate and including a semiconductor layer, a gate electrode, a gate insulating layer, a source electrode and a drain electrode. A passivation layer is on an entire surface of the substrate including the thin film transistor. A planarization layer is on the passivation layer. A first electrode is on the planarization layer and electrically coupled to any one of the source electrode or the drain electrode. A metal mixture layer is on substantially the entire surface of the substrate and includes a conductive region and a non-conductive region. An organic emitting layer and a second electrode both are on the metal mixture layer. | 09-24-2009 |
20090291237 | ELECTROLUMINESCENT DISPLAY DEVICE AND THERMAL TRANSFER DONOR FILM FOR THE ELECTROLUMINESCENT DISPLAY DEVICE - The invention is directed to an organic electroluminescent (EL) display device having an improved light extracting efficiency due to a photonic crystal layer formed proximate one side of a stack. Among other elements, the stack may include a first electrode formed on a substrate, an organic light emitting layer formed above the first electrode, and a second electrode formed above the organic light emitting layer. Additionally, the photonic crystal layer may be configured to correspond to a wavelength of colored light. An organic EL display device having an improved light extracting efficiency may be manufactured using a thermal transfer donor film to adhere the photonic crystal layer to the stack. | 11-26-2009 |
20090295284 | ELECTROLUMINESCENT DISPLAY DEVICE AND THERMAL TRANSFER DONOR FILM FOR THE ELECTROLUMINESCENT DISPLAY DEVICE - The invention is directed to an organic electroluminescent (EL) display device having an improved light extracting efficiency due to a photonic crystal layer formed proximate one side of a stack. Among other elements, the stack may include a first electrode formed on a substrate, an organic light emitting layer formed above the first electrode, and a second electrode formed above the organic light emitting layer. Additionally, the photonic crystal layer may be configured to correspond to a wavelength of colored light. An organic EL display device having an improved light extracting efficiency may be manufactured using a thermal transfer donor film to adhere the photonic crystal layer to the stack. | 12-03-2009 |
20090296757 | MANUFACTURING METHOD OF OLED DISPLAY AND APPARATUS FOR MANUFACTURING THE OLED DISPLAY - A manufacturing method of an active matrix organic light emitting diode (AMOLED) display and an apparatus for manufacturing the AMOLED display, where the display has improved surface flatness and thickness uniformity as well as an improved image quality at edge regions of a pattern. According to the exemplary embodiment of the present invention, an anode electrode is formed on a lower structure of a substrate, an organic layer is formed on the anode electrode by imaging a complex laser beam on a donor film disposed on the substrate having light emitting materials, the complex laser beam having energy distribution inclination over 2%/μm at a threshold energy. The donor film is removed, and a cathode electrode is formed on the organic layer. | 12-03-2009 |
20100029028 | METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DEVICE - A method of manufacturing an organic light emitting device by which a pixel defining layer can be easily formed. The method includes: forming a first electrode on a substrate; forming a photoresist layer to cover the first electrode; patterning the photoresist layer and forming a blocking layer so that the blocking layer is on a side of the first electrode opposite to a side facing the substrate; forming a pixel defining layer on the substrate to cover side ends of the first electrode; removing the blocking layer and exposing the side of the first electrode contacting the blocking layer; forming an intermediate layer including an organic light emitting layer on the side of the first electrode that is exposed by removing the blocking layer; and forming a second electrode on the intermediate layer. | 02-04-2010 |
20100117093 | LASER IRRADIATION DEVICE, PATTERNING METHOD AND METHOD OF FABRICATING ORGANIC LIGHT EMITTING DISPLAY (OLED) USING THE PATTERNING METHOD - In a laser irradiation device, a patterning method and a method of fabricating an Organic Light Emitting Display (OLED) using the same. The laser irradiation device includes a light source, a mask, a projection lens, and a Fresnel lens formed at a predetermined portion of the mask to change an optical path. When an organic layer pattern is formed using the laser irradiation device, laser radiation is irradiated onto a region of an organic layer, which is to be cut, and the laser radiation is appropriately irradiated onto a region of the organic layer, which is to be separated from a donor substrate. The laser radiation irradiated onto an edge of the organic layer pattern has a laser energy density greater than that of the laser radiation irradiated onto other portions of the organic layer pattern. As a result, it is possible to form a uniform organic layer pattern and reduce damage of the organic layer. | 05-13-2010 |
20100151605 | FULL COLOR ORGANIC ELECTROLUMINESCENT DEVICE AND METHOD FOR FABRICATING THE SAME - The present invention relates to a full color organic electroluminescent device and a method for fabricating the same and provides a full color organic electroluminescent device. The invention reduces misalignment errors caused by fine patterning of the emitting layer by reducing the steps of the fine patterning process. In particular, the blue emitting layer functions as a hole inhibition layer which results in superior color purity and improved stability for the color organic electroluminescent device. The use of such a blue emitting layer also reduces the manufacturing steps. The device comprises a substrate; a first electrode pattern formed on the substrate; a red emitting layer formed by patterning a red emitting material on a red pixel region of the first electrode pattern and a green emitting layer formed by patterning a green emitting material on a green pixel region of the first electrode pattern. A blue emitting layer is applied over the entire substrate, over the upper parts of the red and green emitting layers and a second electrode is formed on an upper part of the blue emitting layer. | 06-17-2010 |
20140145173 | WHITE LIGHT EMITTING ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DISPLAY HAVING THE SAME - A white light emitting organic electroluminescent device and organic electroluminescent display having the same are provided. The organic electroluminescent device includes a first electrode, a second electrode, and an emission layer interposed between the first and second electrodes and having a fluorescence layer and a phosphorescence layer. Thereby, it is possible to obtain the white light emitting organic electroluminescent device having luminance yield improved. | 05-29-2014 |