Patent ID: 7330169
Filing Date: 2008-02-12
Classification: G09G

Abstract:
1. A display device comprising: a display having a display portion comprising a plurality of pixels; and a display controller for dividing a frame period of a first display mode into a plurality of subframe periods for which one of lighting and non-lighting is set to each of the subframe periods and expressing gradation in accordance with a total lighting time during the frame period of the first display mode, and for setting to one of lighting and non-lighting during the frame period of a second display mode, wherein the display controller can switch between the first display mode and the second display mode, wherein each of the plurality of pixels comprises at least one thin film transistor, wherein each of the plurality of subframe periods of the first display mode includes a first write-in period and a first display mode, wherein the frame period of the second display mode includes a second write-in period and a second display mode, wherein the second write-in period is longer than the first write-in period, and wherein the second display period is longer than the first display period.