Patent · US Active

Display devices and pixel for a display device

US11061477B2 · kind B2 · utility

0Cited by

0References

17Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Steffen Tretbar · Sulzbach/Saar, DE
Daniel Schmitt · San Diego, US

Key dates

Filing date	Jun 12, 2018
Grant date	Jul 13, 2021
Priority date	—
Expiry date	Jun 12, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/15
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A display device is disclosed. The display device comprises an optical structure with a plurality of pixels configured to generate an optical image on a front side of the optical structure. The display device further includes a plurality of acoustic transducers configured to generate an acoustic field for stimulating the tactile sense of a human person based on a plurality of control signals in a space in front of the front side of the optical structure. The plurality of acoustic transducers are located on a back side of the optical structure. The display device further includes a control circuit configured to generate at least one of the plurality of control signals based on at least one acoustic property of the optical structure.

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