Patent ID: 11862454
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A semiconductor device comprising:
a semiconductor film;
a first conductive film electrically connected to the semiconductor film;
a second conductive film electrically connected to the semiconductor film;
an insulating film over the semiconductor film, the first conductive film, and the second conductive film;
a first metal oxide film over the insulating film;
a second metal oxide film over the first metal oxide film; and
a film provided between the first metal oxide film and the second metal oxide film,
wherein the first metal oxide film comprises at least one element included in the semiconductor film,
wherein the film comprises an element included in the first metal oxide film and an element included in the second metal oxide film,
wherein the first metal oxide film comprises In, and
wherein the second metal oxide film comprises Al.