| CPC G09G 3/3233 (2013.01) [G09G 2300/0814 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0626 (2013.01); G09G 2330/021 (2013.01); G09G 2330/10 (2013.01)] | 16 Claims |

|
1. A display device comprising:
a pixel circuit; a driver circuit; and a functional circuit,
wherein the driver circuit is configured to output a signal for performing display in the pixel circuit,
wherein the functional circuit comprises a CPU comprising a CPU core comprising a flip-flop electrically connected to a backup circuit,
the display device further comprising:
a first transistor and a second transistor;
an insulator over the first transistor and the second transistor; and
a third transistor and a fourth transistor over the insulator,
wherein the driver circuit comprises the first transistor,
wherein the flip-flop comprises the second transistor,
wherein the pixel circuit comprises the third transistor, and
wherein the backup circuit comprises the fourth transistor.
|