Inventor
RAMSEY ROBERT
US11 patents
⚠️ This page may combine multiple inventors who share the name “RAMSEY ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REALD SPARK LLC
10 patentsUS11079645B2Aug 3, 2021
Stabilization for privacy display
REALD SPARK LLC40 citations97
US12253748B2Mar 18, 2025
Switchable privacy display
REALD SPARK LLC2 citations74
US11115647B2Sep 7, 2021
Privacy display apparatus
REALD SPARK LLC2 citations73
US10408992B2Sep 10, 2019
Segmented imaging directional backlights
REALD SPARK LLC3 citations73
US10359561B2Jul 23, 2019
Waveguide comprising surface relief feature and directional backlight, directional display device, and directional display apparatus comprising said waveguide
REALD SPARK LLC1 citations73
US12523899B2Jan 13, 2026
Switchable privacy display
REALD SPARK LLC0 citations62
US11809052B2Nov 7, 2023
Stabilization for privacy display
REALD SPARK LLC0 citations62
US11431960B2Aug 30, 2022
Privacy display apparatus
REALD SPARK LLC0 citations62
US11067738B2Jul 20, 2021
Surface features for imaging directional backlights
REALD SPARK LLC0 citations59
US10712490B2Jul 14, 2020
Backlight having a waveguide with a plurality of extraction facets, array of light sources, a rear reflector having reflective facets and a transmissive sheet disposed between the waveguide and reflector
REALD SPARK LLC0 citations52