Patent ID: 11921377
Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The optical element according to claim 1,
wherein the liquid crystal cell further includes a first vertical alignment film between the first substrate and the liquid crystal layer and a second vertical alignment film between the liquid crystal layer and the second substrate,
the electrodes include, in the first substrate, a planar first electrode and a second electrode overlapping the first electrode via a first insulating layer and provided with slits, and include, in the second substrate, a planar third electrode and a fourth electrode overlapping the third electrode via a second insulating layer and provided with slits, and
in a plan view, an extension direction of the slits in the second electrode is oblique to an extension direction of the slits in the fourth electrode.