Patent ID: 7502039
Filing Date: 2009-03-10
Classification: G09G

Abstract:
1. A display device comprising: a display including a source signal line driver circuit and a gate signal line driver circuit; a display controller; a first means for dividing one frame period into a plurality of subframe periods and setting one of lighting and non-lighting to each of the plurality of subframe periods, and for expressing n-bits gradation (n is a natural number of two or more) in accordance with a total lighting time during the one frame period; and a second means not for dividing one frame period into a plurality of subframe periods, for setting one of lighting and non-lighting to the one frame period, and for expressing 1-bit gradation in accordance with a total lighting time during the one frame period, wherein the display and the display controller are formed over a common substrate, wherein the second means has a lower voltage for driving the source signal line driver circuit and the gate signal line driver circuit than the first means, and wherein the first and second means are controlled by the display controller.