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 |
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 |
20120174952 | Mask Cleaning Apparatus - A mask cleaning apparatus comprises: a bath containing a cleaning liquid; an ultrasonic wave generation unit for generating and applying ultrasonic waves to the cleaning liquid; a supporting member for supporting the mask; and a driving unit formed to rotate the mask in the bath. As a result, the mask cleaning apparatus achieves an improved mask cleaning capability. | 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 |
20120325143 | MASK FRAME ASSEMBLY FOR THIN-FILM DEPOSITION - Provided is a mask frame assembly for thin-film deposition. The mask frame assembly including a mask frame having an opening defined therethrough, the mask frame configured to retain a mask, at least one supporter configured to contact the mask for supporting the mask, and a fixing unit coupled to the supporter and the mask frame. | 12-27-2012 |
20120328851 | MASK UNIT - A mask unit includes: a unit mask having a plurality of patterned areas arranged along a length direction of the unit mask and a dummy area disposed between two of the plurality of patterned areas; a mask frame coupled to lateral ends of the unit mask in the length direction of the unit mask to apply a tension force to the unit mask along the length direction of the unit mask; and a cross-tension member coupled to the dummy area of the unit mask and extending in a direction crossing the length direction of the unit mask to apply a tension force to the unit mask in the direction crossing the length direction of the unit mask. | 12-27-2012 |
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 |
20130318774 | TENSIONING APPARATUS FOR MASK, MASK SHEET, AND MANUFACTURING SYSTEM FOR MASK - A mask tensioning apparatus is disclosed. In one embodiment, the mask tensioning apparatus includes: i) a clamp supporting a mask sheet disposed on the mask frame to couple the mask sheet to the mask frame and ii) a tensioner connected to the clamp and applying a tensioning force to the clamp to fix the mask sheet fixed by the clamp to the mask. The clamp may be arranged in a substantially vertical or oblique direction with regard to the elongation direction of the mask sheet, thereby supporting the mask sheet. | 12-05-2013 |
20140028176 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display device includes a first substrate and a second substrate that face each other, a pixel between the first substrate and the second substrate and the pixel emitting primary light toward one of the first and second substrates, and a black film arranged on another of the first and second substrates. The other of the first and second substrates being opposite to the one of the first and second substrates toward which the primary light is emitted. | 01-30-2014 |
20140065355 | MASK AND MASK ASSEMBLY - A mask supported at a frame when a tensile force is applied in a first direction is provided. The mask includes a mask main body in a band shape extended in the first direction, and a plurality of pattern openings formed in the mask main body. the mask main body has ends supported by the frame, and the pattern opening are arranged in the first direction. The mask further includes a dummy opening provided between the pattern openings and one of the ends of the mask main body. The dummy opening has a form that is different from forms of the pattern openings. | 03-06-2014 |
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 |
20150047560 | MASK FOR DEPOSITING AN ORGANIC LAYER AND MASK ASSEMBLY FOR THE SAME - A mask having two end terminals supported by a frame is provided. The mask includes a mask main body, a plurality of active patterns, and a plurality of first dummy patterns. The mask main body has a band shape extended in the first direction. The plurality of active patterns is separately disposed in the first direction on the mask main body. The plurality of first dummy patterns is disposed between neighboring active patterns from among the plurality of active patterns. Each of plurality of active patterns has a first shape and each of the plurality of first dummy patterns has a second shape. | 02-19-2015 |