×

SEMICONDUCTOR DEVICE

  • US 20110220889A1
  • Filed: 03/03/2011
  • Published: 09/15/2011
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
Patent Images

1. A semiconductor device comprising:

  • a photosensor comprising;

    a photodiode;

    a first transistor having a gate, the gate of the first transistor being connected to one electrode of the photodiode;

    a second transistor having a source and a drain, one of the source and the drain of the second transistor being connected to one of a source and a drain of the first transistor; and

    a read control circuit including a read control transistor having a source and a drain, one of the source and the drain of the read control transistor being connected to the other of the source and the drain of the second transistor,wherein at least one of the first transistor, the second transistor, and the read control transistor includes an oxide semiconductor in a semiconductor layer.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×