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. 19, 2022
Filed:
Aug. 12, 2019
Dell Products L.p., Round Rock, TX (US);
Stefan Peana, Austin, TX (US);
Deeder M. Aurongzeb, Austin, TX (US);
Dell Products L.P., Round Rock, TX (US);
Abstract
A louver film display structure, including: a first and a second electrode; a plurality of louver structures extending between the first and the second electrodes light transmissive elements positioned between adjacent louver structures of the plurality of louver structures, wherein: when a first voltage level is applied to the first and the second electrodes, the louver structures provide a first viewing angle of each unit area of light of each light transmissive element based on a first state of the louver structures, and when a second voltage level is applied to the first and the second electrodes, the louver structures provide a second viewing angle of each unit area of light of each light transmissive element based on a second state of the louver structures, wherein the first voltage level is greater than the second voltage level and the second viewing angle is greater than the first viewing angle.