Patent application number | Description | Published |
20100224125 | DEPOSITION MASK - A deposition mask that includes a mask sheet and a frame to support the perimeter of the mask sheet. The frame includes a contact surface that is attached to the mask sheet, and a non-contact surface that faces and is spaced apart from the mask sheet, the non-contact portion extends from the contact portion, to an opening formed in the center of the frame. The non-contact portion may form an acute angle, with respect to the plane of the mask sheet. | 09-09-2010 |
20100267227 | Mask frame assembly for thin film deposition and associated methods - A mask frame assembly for thin film deposition including a frame having an opening portion and a support portion, and a mask having a deposition area in a position corresponding to the opening portion, wherein the mask includes a first layer including the deposition area and a peripheral portion disposed outside the deposition area and a second layer including a first surface and a second surface opposite to the first surface, at least a part of the first surface of the second layer faces the first layer and contacts the peripheral portion, and the second surface is welded to the support portion of the frame. | 10-21-2010 |
20110067630 | Mask assembly, deposition apparatus for flat panel displays including the same, and associated methods - A mask assembly, a deposition apparatus for flat panel displays including the same, and associated methods, the mask assembly including an open mask having a plurality of first openings, and a pattern mask coupled to the open mask, the pattern mask having a plurality of second openings disposed within an area bounded by the first openings, wherein the open mask is formed of a material having a thermal expansion coefficient that is lower than a thermal expansion coefficient of the pattern mask. | 03-24-2011 |
20110157575 | MASK FRAME ASSEMBLY FOR THIN LAYER DEPOSITION AND ORGANIC LIGHT EMITTING DISPLAY DEVICE - A mask frame assembly for thin film deposition is disclosed. In one embodiment, the assembly includes: a frame, and a plurality of unit mask strips attached to the frame, wherein each of the unit mask strips includes a plurality of unit masking patterns which are spaced apart from each other. In one embodiment, each of the unit masking patterns includes: i) a plurality of stripe pattern slits and ii) a plurality of sets of dot pattern slits each set formed to be substantially parallel with the stripe pattern slits. Further, the stripe pattern slits and the sets of dot pattern slits are alternately formed with respect to each other, wherein each set of the dot pattern slits includes a plurality of dot pattern slits, and wherein the length of each stripe pattern slit is substantially the same as the length of each set of the dot pattern slits. | 06-30-2011 |
20110183271 | METHOD OF MANUFACTURING MASK FOR DEPOSITING THIN FILM - A method of manufacturing a mask for depositing a thin film is disclosed. In one embodiment, the method includes i) providing a raw material substrate for a deposition mask; ii) removing a portion of the raw material substrate to form a pattern, wherein a plurality of openings are defined in the pattern; and iii) irradiating at least a laser beam onto the openings of the pattern at an inclination angle with respect to the raw material substrate such that inclined portions are formed at the side surfaces of each of the openings of the pattern. | 07-28-2011 |
20120156812 | MASK FRAME ASSEMBLY, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY DEVICE USING THE MASK FRAME ASSEMBLY - A mask frame includes a frame and a mask installed on the frame while being stretched in a first direction. The mask includes a deposition area including a plurality of deposition pattern portions, an edge unit formed to have a thickness greater than a thickness of the deposition area and including a first edge and a second edge that extend in the first direction on two sides of the deposition area, and two or more ribs formed to have a thickness greater than the thickness of the deposition area between deposition pattern portions adjacent to each other in a second direction perpendicular to the first direction. | 06-21-2012 |
20120167822 | Alignment master glass for tensioning vapor deposition mask, method for manufacturing the same, and method for tensioning vapor deposition mask using the same - An alignment master glass for aligning a plurality of openings of a vapor deposition mask for tensioning the vapor deposition mask, the alignment master glass includes a transparent substrate, and reflective film patterns on at least one surface of the transparent substrate, the reflective film patterns being only at locations corresponding to the plurality of openings of the vapor deposition mask. | 07-05-2012 |
20120174862 | Mask Frame Assembly for Thin Film Deposition - A mask frame assembly includes an air tunnel between a frame and a mask so as to allow flow of air. Therefore, evaporation of cleaning liquid can be facilitated in gaps between the frame and the mask during cleaning and drying processes performed so as to reuse the mask frame assembly sooner. Thus, the amount of remaining cleaning liquid can be reduced so as to reduce the time necessary for preparation of a subsequent process using the mask frame assembly. | 07-12-2012 |
20120240850 | Deposition mask - A deposition mask that is placed on a mask frame by a tensile force includes first through n | 09-27-2012 |
20130134451 | Mask Assembly and Organic Light Emitting Diode Display Manufactured Using the Same - A mask assembly includes a frame forming an opening, and a plurality of unit masks which form a plurality of deposition openings, the longitudinal ends of the unit masks being fixed to the frame. At least two adjacent ones of the plurality of unit masks have deposition recesses formed on both sides facing each other. The width of the deposition recesses along a width direction of the unit masks is equal to or greater than the width of the deposition openings along the width direction of the unit masks. | 05-30-2013 |
20130205568 | METHOD OF MANUFACTURING A MASK FRAME ASSEMBLY FOR THIN FILM DEPOSITION - A mask frame assembly for thin film deposition including a frame having an opening portion and a support portion, and a mask having a deposition area in a position corresponding to the opening portion, wherein the mask includes a first layer including the deposition area and a peripheral portion disposed outside the deposition area and a second layer including a first surface and a second surface opposite to the first surface, at least a part of the first surface of the second layer faces the first layer and contacts the peripheral portion, and the second surface is welded to the support portion of the frame. | 08-15-2013 |
20130334515 | MASK ASSEMBLY AND ORGANIC LIGHT EMITTING DIODE DISPLAY MANUFACTURED USING THE SAME - A mask assembly includes a frame forming an opening, and a plurality of unit masks which form a plurality of deposition openings, the longitudinal ends of the unit masks being fixed to the frame. At least two adjacent ones of the plurality of unit masks have deposition recesses formed on both sides facing each other. The width of the deposition recesses along a width direction of the unit masks is equal to or greater than the width of the deposition openings along the width direction of the unit masks. | 12-19-2013 |
20140071030 | PIXEL ARRANGEMENT STRUCTURE FOR ORGANIC LIGHT EMITTING DIODE DISPLAY - A pixel arrangement structure of an organic light emitting diode (OLED) display is provided. The pixel arrangement structure includes: a first pixel having a center coinciding with a center of a virtual square; a second pixel separated from the first pixel and having a center at a first vertex of the virtual square; and a third pixel separated from the first pixel and the second pixel, and having a center at a second vertex neighboring the first vertex of the virtual square. The first pixel, the second pixel, and the third pixel have polygonal shapes. | 03-13-2014 |
20140099740 | DEPOSITING APPARATUS AND METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DIODE DISPLAY USING THE SAME - A deposition apparatus includes a deposition source that receives a deposition material, and a plurality of spray nozzles arranged in a first direction at one side of the deposition source to spray the deposition material to a facing substrate. The deposition source includes a center area and outer areas, the outer areas being at respective ends of the center area with reference to the first direction. The spray nozzles include first spray nozzles arranged in each outer area and extending outwardly from the deposition source, a surface forming an end of the first spray nozzles forming a first inclination angle with a substrate surface in the first direction. | 04-10-2014 |
20140106482 | DEPOSITING APPARATUS AND METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DIODE DISPLAY USING THE SAME - A deposition apparatus includes a deposition source containing a deposition material, the deposition source including a center area between two outer areas along a first direction, and a plurality of spray nozzles arranged on the center area of the deposition source along the first direction, the plurality of spray nozzles being configured to spray the deposition material toward a surface substrate, wherein the spray nozzles include first and second spray nozzles, the first spray nozzles having terminal ends thereof parallel to and facing the surface of the substrate, and the second spray nozzles having terminal ends thereof at an oblique angle with respect to the surface of the substrate. | 04-17-2014 |
20140141556 | UNIT MASK AND MASK ASSEMBLY - A unit mask is extended in a direction and is supported by a frame including an opening. The unit mask includes a first fixed part located in the opening and fixed to one surface of the frame disposed in the direction, a second fixed part spaced apart from the first fixed part and fixed to another surface of the frame disposed in the direction, and a mask part held by the first fixed part and the second fixed part between the first fixed part and the second fixed part. | 05-22-2014 |
20140239049 | METHOD OF MANUFACTURING MASK ASSEMBLY FOR THIN FILM DEPOSITION - A method of manufacturing a mask assembly for thin film deposition includes: positioning a division mask on a mask frame, wherein the division mask has a length in a first direction that is greater than a width in a second direction perpendicular to the first direction; and spot welding opposing ends of the division mask along the first direction to the mask frame, wherein the spot welding comprises: forming first welding points in a first zigzag pattern starting from a peripheral portion along the second direction of the division mask toward a central portion along the second direction of the division mask; and forming second welding points between the first welding points. | 08-28-2014 |
20150013601 | MASK FRAME ASSEMBLY FOR THIN LAYER DEPOSITION AND ORGANIC LIGHT EMITTING DISPLAY DEVICE - A mask frame assembly for thin film deposition is disclosed. In one embodiment, the assembly includes: a frame, and a plurality of unit mask strips attached to the frame, wherein each of the unit mask strips includes a plurality of unit masking patterns which are spaced apart from each other. In one embodiment, each of the unit masking patterns includes: i) a plurality of stripe pattern slits and ii) a plurality of sets of dot pattern slits each set formed to be substantially parallel with the stripe pattern slits. Further, the stripe pattern slits and the sets of dot pattern slits are alternately formed with respect to each other, wherein each set of the dot pattern slits includes a plurality of dot pattern slits, and wherein the length of each stripe pattern slit is substantially the same as the length of each set of the dot pattern slits. | 01-15-2015 |
20150052724 | METHOD FOR TENSIONING VAPOR DEPOSITION MASK USING AN ALIGNMENT MASTER GLASS - An alignment master glass for aligning a plurality of openings of a vapor deposition mask for tensioning the vapor deposition mask, the alignment master glass includes a transparent substrate, and reflective film patterns on at least one surface of the transparent substrate, the reflective film patterns being only at locations corresponding to the plurality of openings of the vapor deposition mask. | 02-26-2015 |