Patent ID: 11901465
Assignee: JAPAN DISPLAY INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The optical sensor according to claim 5, further comprising:
a driver circuit on the substrate and arranged around the pixel area, and a third transistor included in the driver circuit,
wherein the third transistor includes:
a second light-shielding layer on the substrate;
a fifth insulating film on the second light-shielding layer;
a second polycrystalline silicon layer having a region overlapping the second shielding layer on the fifth insulating film;
a third gate electrode having a region overlapping the second polycrystalline silicon layer on the first insulating film;
the second insulating film and the third insulating film on the third gate electrode; and
a third source electrode and a third drain electrode electrically connected to the second polycrystalline silicon layer through openings in the second insulating layer and the third insulating layer.