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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.:

US 12769168 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Nov. 08, 2024

Touch screen for privacy display

Applicant:

Reald Spark, Llc, Boulder, CO (US);

Inventors:

Jonathan Harrold, Leamington Spa, GB;

Graham J. Woodgate, Henley-on-Thames, GB;

Assignee:

RealD Spark, LLC, Boulder, CO (US);

Attorney:

Foley & Lardner LLP

Primary Examiner:

Richard J Hong

Int. Cl.
CPC ...
G02F 1/1343 (2006.01); G02F 1/13 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13439 (2013.01); G02F 1/1323 (2013.01); G02F 1/13338 (2013.01); G02F 1/133536 (2013.01); G02F 1/13363 (2013.01); G06F 3/0412 (2013.01); G06F 3/0416 (2013.01); G06F 3/044 (2013.01); G02F 1/133531 (2021.01); G02F 1/133634 (2013.01); G02F 2413/01 (2013.01); G02F 2413/02 (2013.01); G02F 2413/05 (2013.01); G02F 2413/06 (2013.01); G02F 2413/08 (2013.01); G06F 2203/04107 (2013.01);
Abstract

A touch input display device includes a spatial light modulator (SLM), a display polariser, an additional polariser, a switchable liquid crystal retarder including a layer of liquid crystal material, switchable retarder control electrodes arranged to apply a voltage for controlling a state of the switchable liquid crystal retarder, at least one touch electrode array arranged in a layer on an output side of the switchable retarder control electrodes, and an output transparent support substrate where the at least one touch electrode array is arranged between the switchable retarder control electrodes and the output transparent support substrate.

Find Patent Forward Citations

Harrold, Jonathan. (2026). Touch screen for privacy display (U.S. Patent No. 12769168). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769168

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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