Patent ID: 8328941
Filing Date: 2012-12-11
Classification: C23C,H01L

Abstract:
1. An apparatus for clamping and stretching a mask having grills formed thereon and corresponding to light emitting areas of a substrate to form light emitting layers of R (red), G (green) and B (Blue) pixels of the organic electroluminescent display device, comprising, a plurality of grippers disposed in a zigzag state at a periphery of a mask for clamping the mask; a plurality of jaws formed on each gripper and contacting with the mask; power supplying units for supplying power to the grippers to stretch the mask; and power transmitting units, each power transmitting unit being provided between the gripper group arranged on each side of the mask and the corresponding power supplying unit to enable the grippers to be moved linearly, wherein each of the grippers is divided into a connecting section connected to the power supplying unit and a head section integrated into the connecting section, and the plurality of jaws are formed on the head section of each gripper, and a width of the head section is larger than a width of the connecting section.