Patent · US Active

Lens for eye-tracking and device with such a lens

US11226682B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Tobii AB · SE

Inventors

Daniel Ljunggren · Danderyd, SE
Anders Hoglund · Ängelholm, SE
Axel Tollin · Danderyd, SE
Jan Skagerlund · Danderyd, SE

Key dates

Filing date	Jan 31, 2020
Grant date	Jan 18, 2022
Priority date	—
Expiry date	Jan 31, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0178
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A lens for eye tracking applications is described. The lens comprises a first protective layer with a first surface, arranged to face towards the eye to be tracked when the lens is used for eye tracking. The lens is characterized in that the lens further comprises a supporting layer and a second protective layer with a second surface, arranged to face away from the eye to be tracked when the lens is used for eye tracking. The supporting layer is arranged between the first protective layer and the second protective layer, and the supporting layer comprises at least a first opening between the first protective layer and the second protective layer. At least one electrical component arranged extending through the first opening.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.