Method and device of displaying a landscape picture in a mobile display device, and mobile liquid crystal display device having the same

It discloses a mobile liquid crystal display device including the apparatus, and this method of displaying the landscape screen on the mobile device display. How to display the horizontal screen in a mobile display device, a storage step of storing a particular video frame selected from the M (M is a natural number equal to or greater than 2) number of video frames inputted from the outside to the video memory, the particular video frame in the video memory period, a step is, the section does not store the specific video frame in the video memory to perform the masking operation for the output of the particular video frame a predetermined number of times, which comprises the step of displaying the particular video frame. Accordingly a mobile display apparatus without using a separate integrated circuit can be effectively displayed in the landscape screen. Mobile liquid crystal display apparatus, a timing controller, a landscape screen display