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 |
20100270912 | Organic light emitting display apparatus - An organic light emitting display apparatus including a plurality of pixels, wherein each pixel includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first and second electrodes and including a plurality of layers including a light emitting layer, at least two pixels adjacent in a first direction form a pixel group, and at least one of the layers of the intermediate layer of the at least two adjacent pixels of the pixel group is integrated, and a distance between pixels in the pixel group is smaller than a distance between adjacent pixel groups. | 10-28-2010 |
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 |
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 |
20120240850 | Deposition mask - A deposition mask that is placed on a mask frame by a tensile force includes first through n | 09-27-2012 |
20130002118 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides. | 01-03-2013 |
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 |
20140042887 | ORGANIC LIGHT EMITTING DISPLAY DEVICE WITH SUBSTANTIALLY POLYGONAL SUB-PIXELS - An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides. | 02-13-2014 |
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 |
20150034005 | MASK FOR DEPOSITION, MASK ASSEMBLY INCLUDING THE SAME AND METHOD OF FORMING THE MASK ASSEMBLY - A mask for deposition includes a mask main body extended in a first direction and having a first thickness, and including ends opposite to each other in the first direction and supported by a frame while a tensile force is applied to the mask in the first direction; and a plurality of active patterns separated from each other in the first direction in a center area of the mask main body, and having a second thickness less than the first thickness. | 02-05-2015 |