Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed at an area where a transfer line of the panel passes, to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, a reverse unit to reverse the panel having the optical film laminated on the first surface, and a second laminating unit installed at an area where the transfer line of the panel passes, to laminate an optical film on a second surface of the panel reversed by the reverse unit along a direction perpendicular to the first direction. According to the present disclosure, in the process of attaching the optical film onto both sides of the panel, process efficiency may be increased.

Abstract: A system for laminating an optical film according to an exemplary embodiment of the present disclosure includes a panel transfer unit to transfer a panel, a first laminating unit installed at an area where a transfer line of the panel passes, to laminate an optical film on a first surface of the panel along a first direction parallel to a transfer direction of the panel, a reverse unit to reverse the panel having the optical film laminated on the first surface, and a second laminating unit installed at an area where the transfer line of the panel passes, to laminate an optical film on a second surface of the panel reversed by the reverse unit along a direction perpendicular to the first direction. According to the present disclosure, in the process of attaching the optical film onto both sides of the panel, process efficiency may be increased.

Abstract: Disclosed is a method for realizing gray levels of a liquid crystal display (LCD) device, which realize various gray levels by interworking a gamma voltage and a sub-frame. The method includes the steps of dividing a liquid crystal response time interval for a pixel during one frame into n sequential sub-frames, enabling the pixel and applying a gamma voltage having a fixed level to the pixel, filling electric charges in the pixel by using the gamma voltage during each of the n specific sub-frames, and disabling the pixel at an end time point of a predetermined ith sub-frame, the i being an integer, wherein an amount of light projected on the pixel is adjusted by regulating a time point at which the pixel is disabled during each of the n specific sub-frames.