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:
Jun. 01, 2021
Filed:
Aug. 15, 2019
Sharp Kabushiki Kaisha, Osaka, JP;
Nathan James Smith, Oxford, GB;
Hywel Hopkin, Oxford, GB;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A multimode display device is configured for enhanced performance of a non-directional (public) viewing mode and one or more directional (narrow) viewing modes. The display device includes a switchable optical assembly disposed on a viewing side of a top emitting electroluminescent display. The switchable optical assembly includes one of a switchable parallax layer that includes an electro optic material, or a non-switchable parallax layer in combination with a switchable scattering device that includes the electro-optic material and is disposed on the viewing side of the non-switchable parallax layer. The switchable optical assembly is switched so as to re-configure the display device between the non-directional and directional viewing modes.