SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE

  • US 20190221896A1
  • Filed: 03/21/2019
  • Published: 07/18/2019
  • Est. Priority Date: 02/14/2014
  • Status: Active Grant
First Claim
Patent Images

1. An electronic device comprising:

  • a functional circuit;

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

    a regulator connected to the secondary battery,wherein the regulator is configured to prevent an overcharge when the secondary battery is charged,wherein the regulator comprises a plurality of transistors each comprising an oxide semiconductor in a semiconductor layer, andwherein the oxide semiconductor comprises In, Ga, and Zn.

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