US 12,393,066 B2
Privacy displays
Michael G Robinson, Boulder, CO (US); Graham J. Woodgate, Henley-on-Thames (GB); Jonathan Harrold, Leamington Spa (GB); and Ben Ihas, Boulder, CO (US)
Assigned to REALD SPARK, LLC, Boulder, CO (US)
Filed by RealD Spark, LLC, Boulder, CO (US)
Filed on Aug. 1, 2024, as Appl. No. 18/792,135.
Claims priority of provisional application 63/645,839, filed on May 10, 2024.
Claims priority of provisional application 63/627,998, filed on Feb. 1, 2024.
Claims priority of provisional application 63/530,643, filed on Aug. 3, 2023.
Prior Publication US 2025/0044624 A1, Feb. 6, 2025
Int. Cl. G02F 1/13 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01)
CPC G02F 1/1323 (2013.01) [G02F 1/133531 (2021.01); G02F 1/133536 (2013.01); G02F 1/133638 (2021.01); G02F 1/133738 (2021.01); G02F 1/133742 (2021.01); G02F 1/133746 (2021.01); G02F 1/134363 (2013.01)] 49 Claims
OG exemplary drawing
 
1. A polar angle control display device comprising:
a spatial light modulator arranged to output light;
an in-plane polariser having an absorption axis in a plane of the in-plane polariser arranged on a side of the spatial light modulator; and
an out-of-plane polariser having an absorption axis in a direction having a component out of a plane of the out-of-plane polariser arranged on the same side of the spatial light modulator as the in-plane polariser.