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:
Nov. 07, 2023
Filed:
Aug. 17, 2020
Dualitas Ltd, Milton Keynes, GB;
Jamieson Christmas, Milton Keynes, GB;
Dualitas Ltd, Milton Keynes, GB;
Abstract
A method of driving a display device. The display device comprises a liquid crystal panel, a display engine and a hologram engine. The liquid crystal display panel comprising a plurality of pixels. The display device comprises a display engine arrange to drive each pixel of the plurality of pixels during each display interval of a plurality of display intervals defined by the display device. Each pixel is driven in accordance with a drive signal. The drive signal may comprise a pixel voltage for each pixel. The display engine is arranged to invert the polarity of the drive signal every display interval. The hologram engine is arranged to send multi-level phase holograms for display to the display engine. The method comprises displaying the multi-level phase holograms in immediately consecutive display intervals without field inversion.