Abstract: A flexible flat panel display where nanoparticles are used for an active layer and the substrate is a flexible plastic, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) using the donor sheet, and a method of manufacturing a flat panel display device using the donor sheet. In making the TFTs in the display, a donor sheet is used to transfer the nanoparticles from the sheet to the substrate. The donor sheet can be manufactured at room temperature. The donor sheet has a base film, and a transfer layer being disposed at one side of the base film and transferable, wherein the transfer layer has a plurality of nanoparticles which are arranged to be approximately parallel to one another.
Type:
Grant
Filed:
November 24, 2004
Date of Patent:
June 3, 2008
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Min-Chul Suh, Nam-Choul Yang, Jae-Bon Koo, Hye-Dong Kim, Ho-Kyoon Chung, Ul-Ho Lee
Abstract: A control system of a step motor and a method thereof are capable of evenly maintaining a traveling distance and a torque in a moving section, especially in an accelerating section, by limiting a start excitation phase or a final stop phase to a specific phase, even though an excitation and the torque are unevenly generated due to an imbalance in a step angle generated during the manufacturing and/or assembly of the step motor.