Patent ID: 11941197
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 4:
5. The functional panel according to claim 4, further comprising:
a reading circuit;
a thirteenth conductive film;
a fourteenth conductive film; and
a fifteenth conductive film,
wherein the reading circuit comprises an amplifier circuit and a sampling circuit,
wherein the amplifier circuit comprises a third transistor,
wherein the third transistor comprises a gate electrode electrically connected to the thirteenth conductive film, a first electrode electrically connected to the eleventh conductive film, and a second electrode electrically connected to the fourteenth conductive film,
wherein the sampling circuit comprises a first terminal, a second terminal, and a third terminal,
wherein the first terminal is electrically connected to the eleventh conductive film,
wherein the second terminal is electrically connected to the fifteenth conductive film, and
wherein the third terminal is configured to supply a signal that changes on the basis of a potential of the first terminal.