Abstract: 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 and a method for fabricating the same. 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.

Abstract: 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 and a method for fabricating the same. 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.

Abstract: In a flat panel display and a method of fabricating the same, the flat panel display includes a substrate having a pixel region and alignment mark regions. The alignment mark regions are disposed at opposite sides of the pixel region and along the pixel region. A unit pixel array is arranged on the pixel region in a matrix manner. The alignment mark regions have at least one pair of alignment marks disposed thereon in an opposing manner. The alignment mark pairs are located in correspondence with respective columns of the unit pixel array.

Abstract: 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.

Abstract: A laser irradiation device includes a laser generator for patterning and a laser generator for preheating. A laser induced thermal imaging (LITI) method, includes preparing an acceptor substrate, laminating a donor substrate on the acceptor substrate, and irradiating a laser beam onto a predetermined region of the donor substrate and carrying out transfer using a laser irradiation device having a laser generator for patterning and a laser generator for preheating. Advantageously, a laser beam having high intensity generated by the laser generator for patterning is used to prevent the transfer layer from being degraded, and a laser beam generated by the laser generator for preheating is simultaneously used for preheating so that an edge open failure does not occur and the transfer can be readily carried out even in a portion having a step of the acceptor substrate.

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: An Organic Light Emitting Display (OLED) and its fabrication method has a pixel defining layer provided on a first electrode which is formed with a gas vent groove to allow gas to vent when the pixel defining layer is being formed, so that gas is not left in a pixel but vented when a donor film is laminated by a Laser-Induced Thermal Imaging (LITI) method, thereby decreasing edge open failures.

Abstract: A laser induced thermal imaging apparatus, and a laser induced thermal imaging method and a method of fabricating an organic light emitting display using the apparatus are provided. The laser induced thermal imaging apparatus includes a chuck for fixing an acceptor substrate. A lamination unit for laminating a donor film on the acceptor substrate is located on the chuck. The lamination unit includes a body having a cavity, a gas injection port for injecting a compression gas into the cavity and a gas discharge port for discharging the gas injected into the cavity onto the substrate. A laser irradiator for irradiating a laser beam on the laminated donor film through the lamination unit is located on the lamination unit.

Abstract: An optical system has an image direction modulator and a laser induced thermal imaging (LITI) apparatus includes the optical system. The optical system includes a laser source for producing laser beams, and the image direction modulator has a first mode in which an image direction of the laser beams is modulated relative to a first direction and a second mode in which the image direction of the laser beams is modulated relative to a second direction.

Abstract: A donor substrate for a laser induced thermal imaging method and an organic light emitting display manufactured using the same are provided. A laser induced thermal imaging apparatus includes a stage grounded by a grounding means, and a method of fabricating an organic light emitting display is capable of controlling static electricity which may be built up while an organic layer is formed using the apparatus.

Abstract: A substrate supporting frame, a substrate supporting frame assembly including the frame, a method of framing a substrate using the frame, a method of fabricating a donor substrate using the substrate supporting frame assembly, and a method of fabricating an Organic Light Emitting Display (OLED) using the donor substrate each include a substrate supporting frame having a main body having an opening, a plurality of pins protruding from at least two sides of a top surface of the main body, and outer pressing units for respectively pressing the plurality of pins outward from the main body.

Abstract: Provided are a laser induced thermal imaging (LITI) apparatus, a laminator, and an LITI method using the apparatus. The LITI apparatus includes a chuck having at least one first lower ventilation hole for attracting a lower substrate toward the chuck. A cap is disposed on the chuck. The cap fixes an upper substrate and includes at least one first upper ventilation hole for pressurizing the upper substrate so that the upper substrate is closely adhered to the lower substrate. A laser irradiation system for irradiating a laser beam is disposed over the upper substrate adhered to the lower substrate. In this construction, the upper substrate can be laminated on the lower substrate.

Abstract: A donor substrate for use in an organic light emitting display comprises a base substrate and a transfer layer disposed on the base substrate. A selective heat generation structure is interposed between the base substrate and the transfer layer. The selective heat generation structure has a heat generation region from which heat is generated by light-to-heat conversion and a heat non-generation region contacting the heat generation region. By employing the donor substrate, it is possible to form minute transfer layer patterns with high accuracy without the need to accurately control the width of a laser beam. A fabrication method of an organic light emitting display comprises disposing the donor substrate on an acceptor substrate, irradiating a laser beam onto the donor substrate, and forming a transfer layer pattern on a pixel electrode of the acceptor substrate.

Abstract: A method of fabricating a donor substrate and a method of fabricating an organic light emitting display (OLED) using the donor substrate. The method of fabricating the donor substrate includes preparing a base substrate that includes at least one transfer region and at least one non-transfer region, forming a light-to-heat conversion layer on the base substrate and depositing a transfer layer selectively on the light-to-heat conversion layer and in the at least one transfer region of the base substrate using a shadow mask. To then make the OLED, laser induced thermal imaging is used to transfer the patterned transfer layer from the donor substrate to display regions in an acceptor substrate.

Abstract: A method of fabricating a donor substrate for a laser induced thermal imaging (LITI) process. A base substrate is prepared. A light-to-heat conversion layer is formed on the base substrate. A buffer layer is formed on the light-to-heat conversion layer. The surface roughness of the buffer layer is increased by treating the surface of the buffer layer. A transfer layer is formed on the surface-treated buffer layer. By using the donor substrate, a patterning process can be performed better during the fabrication of the OLED.

Abstract: 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.

Abstract: A laser irradiation apparatus and method of fabricating an organic light emitting display using the same are provided. The laser irradiation apparatus includes: a laser generator; a mask having means for changing a propagation path of a laser beam; and a projection lens. The method of fabricating an organic light emitting display includes: irradiating a laser beam on an edge of an irradiated region of a donor substrate using the laser irradiation apparatus with high intensity to form an organic layer pattern on a substrate. The laser beam having low intensity can perform a transfer process to improve laser beam efficiency. In addition, it is possible to reduce damage on the organic layer, and improve quality of the transferred organic layer pattern.

Abstract: A method of fabricating an organic light emitting display is provided. The method includes repeatedly scanning a laser beam over a predetermined region of a donor substrate with multi-lines in one step using a galvanometer to form an organic layer pattern. The method of the present invention is capable of reducing process time required to form the organic layer pattern and lowering manufacturing cost by repeating multi-line scanning in one step through the laser beam using the galvanometer, when the organic layer pattern is formed using an LITI method.

Abstract: Provided is a method of fabricating an organic light emitting display. The method includes forming an organic layer pattern on a substrate by irradiating a predetermined region of a donor substrate with a laser beam using a laser irradiation apparatus, the laser irradiation apparatus having a spatial light modulator (SLM). The spatial light modulator is used to form the organic layer pattern using the LITI method. Accordingly, it is possible to adjust various types of incident light to homogeneous and to have a desired profile. Therefore, there is provided a method of fabricating an organic light emitting display which is capable of forming an organic layer pattern without using a mask.

Abstract: The present invention provides a method for fabricating an organic electroluminescence device comprising forming an organic layer on the substrate by irradiating a laser beam onto a predetermined region of a donor substrate by a laser irradiation apparatus equipped with a diffractive optical element. A method for fabricating an organic electroluminescence device according to the present invention has merits that energy efficiency of a laser beam is improved by using a diffractive optical element when forming an organic film layer pattern by LITI, and fabrication process of the organic electroluminescence device is simplified and fabrication cost of the organic electroluminescence device is reduced by replacing a mask only when forming a laser beam having various shapes to fabricate the organic electroluminescence device.