The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2021
Filed:
Jun. 12, 2018
Fraunhofer-gesellschaft Zur Foerderung Der Angewan, Munich, DE;
Steffen Tretbar, Sulzbach/Saar, DE;
Daniel Schmitt, Sulzbach/Saar, DE;
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.