Semiconductor device and electronic device

  • US 10,862,177 B2
  • Filed: 03/21/2019
  • Issued: 12/08/2020
  • Est. Priority Date: 02/14/2014
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a control module;

    a display module; and

    a communication module,wherein the control module comprises;

    a CPU;

    a first secondary battery configured to supply electric power to the CPU; and

    a first regulator connected between the first secondary battery and the CPU,wherein the display module comprises;

    a display driving circuit;

    a second secondary battery configured to supply electric power to the display driving circuit; and

    a second regulator connected between the second secondary battery and the display driving circuit,wherein the communication module comprises;

    a communication circuit;

    a third secondary battery configured to supply electric power to the communication circuit; and

    a third regulator connected between the third secondary battery and the communication circuit,wherein the first regulator to third regulator are configured to prevent an overcharge when the first to third secondary batteries respectively connected to the first to third regulators are charged,wherein the first to third regulators comprise a plurality of transistors each comprising an oxide semiconductor in a semiconductor layer,wherein the oxide semiconductor comprises In, Ga, and Zn, andwherein the first to third secondary batteries are configured to be wirelessly charged via the first to third regulators, respectively.

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