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:
Apr. 14, 2025
Filed:
Apr. 11, 2022
Sioptica Gmbh, Jena, DE;
André Heber, Weimar, DE;
Markus Klippstein, Jena, DE;
siOPTICA GmbH, Jena, DE;
Abstract
A display screen which can be operated in at least two operating modes, B1 for an unrestricted viewing mode and B2 for a restricted viewing mode, including a transmissive image rendering device which modulates light that is incident upon it for displaying image content and which can be operated in a first operating mode B1 for an unrestricted viewing mode and in a second operating mode B2 for a restricted viewing mode. The display screen includes an illumination device arranged behind the transmissive image rendering device and which can be operated in at least two operating modes B1 and B2. The illumination device emits light in an unrestricted viewing angle range in mode B1 and emits light in a restricted viewing angle range in mode B2. The display screen further includes a control for the transmissive image rendering device and the illumination device for switching between modes B1 and B2.