Patent ID: 11943976
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 16:
17. A display device comprising:
a substrate;
a first conductive layer disposed on the substrate;
an interlayer insulating film disposed on the first conductive layer;
a semiconductor layer disposed on the interlayer insulating film;
a gate insulating film disposed on the semiconductor layer;
a second conductive layer disposed on the gate insulating film;
a third insulating layer disposed on the second conductive layer;
a third conductive layer disposed on the third insulating layer;
a light-emitting element disposed in pixels;
a driving transistor providing a driving current to the light-emitting element; and
a first switching transistor transmitting a data signal to a gate electrode of the driving transistor, wherein
the first conductive layer includes:
a first power supply wire electrically connected to a first electrode of the driving transistor;
a data signal line electrically connected to a first electrode of the first switching transistor; and
a capacitor lower electrode,

the semiconductor layer includes
a first semiconductor pattern that overlaps the first power supply wire; and
a second semiconductor pattern apart from the first semiconductor pattern,

the second conductive layer includes:
the first electrode of the first switching transistor;
the first electrode of the driving transistor;
a scan signal line that transmits a scan signal to a gate electrode of the first switching transistor; and
a capacitor upper electrode overlapping the capacitor lower electrode, and

the gate electrode of the first switching transistor, the first electrode of the first switching transistor, and a second electrode of the first switching transistor are disposed between the gate insulating film and the third insulating layer,

a first contact hole that penetrates the third insulating layer, the interlayer insulating film and the gate insulating film is defined to expose a portion of the capacitor lower electrode and
the third conductive layer is in direct contact with the portion of the capacitor lower electrode through the first contact hole.