Assignee
REALD SPARK LLC
US·131 granted patents·34 pending applications·1,256 citations·filing 2013–2025
Top patents by PatentIndex Score
165 records- 0199US11340482B2Pupillated illumination apparatusREALD SPARK LLC·Filed 2021·Granted May 24, 2022·16 cites·61 claims
- 0299US11099448B2Off-axis display deviceREALD SPARK LLC·Filed 2020·Granted Aug 24, 2021·36 cites·30 claims
- 0399US11079646B2Display device off-axis luminance reduction uniformityREALD SPARK LLC·Filed 2020·Granted Aug 3, 2021·29 cites·25 claims
- 0499US11070791B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Jul 20, 2021·54 cites·16 claims
- 0599US11016341B2Directional illumination apparatus and privacy displayREALD SPARK LLC·Filed 2020·Granted May 25, 2021·48 cites·41 claims
- 0699US10935714B2Optical waveguide for directional backlightREALD SPARK LLC·Filed 2019·Granted Mar 2, 2021·56 cites·18 claims
- 0799US10802356B2Touch screen for privacy displayREALD SPARK LLC·Filed 2019·Granted Oct 13, 2020·37 cites·31 claims
- 0899US10401638B2Optical stack for imaging directional backlightsREALD SPARK LLC·Filed 2018·Granted Sep 3, 2019·75 cites·16 claims
- 0998US11977286B2Observer-tracked privacy displayREALD SPARK LLC·Filed 2023·Granted May 7, 2024·13 cites·51 claims
- 1098US11892717B2Marks for privacy displayREALD SPARK LLC·Filed 2022·Granted Feb 6, 2024·15 cites·11 claims
- 1198US11652195B2Illumination apparatus comprising passive optical nanostructuresREALD SPARK LLC·Filed 2020·Granted May 16, 2023·6 cites·43 claims
- 1298US11573437B2Directional display apparatusREALD SPARK LLC·Filed 2020·Granted Feb 7, 2023·16 cites·76 claims
- 1398US11442316B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Sep 13, 2022·37 cites·36 claims
- 1498US11327358B2Optical stack for directional displayREALD SPARK LLC·Filed 2018·Granted May 10, 2022·28 cites·30 claims
- 1598US11237417B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Feb 1, 2022·37 cites·36 claims
- 1698US11099447B2Optical stack for privacy displayREALD SPARK LLC·Filed 2020·Granted Aug 24, 2021·15 cites·30 claims
- 1798US11099433B2Switchable directional display apparatusREALD SPARK LLC·Filed 2018·Granted Aug 24, 2021·30 cites·46 claims
- 1898US11092851B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2018·Granted Aug 17, 2021·31 cites·36 claims
- 1998US11079645B2Stabilization for privacy displayREALD SPARK LLC·Filed 2019·Granted Aug 3, 2021·40 cites·11 claims
- 2098US10976578B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 13, 2021·53 cites·20 claims
- 2198US10712608B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Jul 14, 2020·47 cites·30 claims
- 2298US10627670B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 21, 2020·48 cites·17 claims
- 2398US10303030B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted May 28, 2019·111 cites·24 claims
- 2498US10126575B1Optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted Nov 13, 2018·121 cites·26 claims
- 2598US10054732B2Directional backlight having a rear reflectorREALD SPARK LLC·Filed 2014·Granted Aug 21, 2018·89 cites·28 claims
- 2697US11092852B2Directional display apparatusREALD SPARK LLC·Filed 2019·Granted Aug 17, 2021·15 cites·31 claims
- 2796US11187945B2Touch screen for privacy displayREALD SPARK LLC·Filed 2020·Granted Nov 30, 2021·3 cites·33 claims
- 2896US11063193B2Colour micro-LED display apparatusREALD SPARK LLC·Filed 2019·Granted Jul 13, 2021·12 cites·49 claims
- 2996US10948648B2Backlights having stacked waveguide and optical components with different coefficients of frictionREALD SPARK LLC·Filed 2018·Granted Mar 16, 2021·37 cites·20 claims
- 3095US12253748B2Switchable privacy displayREALD SPARK LLC·Filed 2024·Granted Mar 18, 2025·2 cites·30 claims
- 3195US11681359B2Controlling light sources of a directional backlightREALD SPARK LLC·Filed 2022·Granted Jun 20, 2023·2 cites·12 claims
- 3295US9872007B2Controlling light sources of a directional backlightREALD SPARK LLC·Filed 2016·Granted Jan 16, 2018·14 cites·16 claims
- 3393US12393066B2Privacy displaysREALD SPARK LLC·Filed 2024·Granted Aug 19, 2025·1 cites·49 claims
- 3493US11821602B2Vehicle external illumination deviceREALD SPARK LLC·Filed 2021·Granted Nov 21, 2023·4 cites·55 claims
- 3593US11073735B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Jul 27, 2021·3 cites·26 claims
- 3693US10955715B2Optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Mar 23, 2021·3 cites·36 claims
- 3792US11181780B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Nov 23, 2021·2 cites·28 claims
- 3892US9910207B2Polarization recovery in a directional display deviceREALD SPARK LLC·Filed 2016·Granted Mar 6, 2018·8 cites·21 claims
- 3991US11016318B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2018·Granted May 25, 2021·3 cites·22 claims
- 4091US10788710B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Sep 29, 2020·2 cites·27 claims
- 4190US11892718B2Directional display apparatusREALD SPARK LLC·Filed 2023·Granted Feb 6, 2024·1 cites·26 claims
- 4290US10393946B2Method of manufacturing directional backlight apparatus and directional structured optical filmREALD SPARK LLC·Filed 2016·Granted Aug 27, 2019·6 cites·16 claims
- 4389US10740985B2Adjusting a digital representation of a head regionREALD SPARK LLC·Filed 2018·Granted Aug 11, 2020·8 cites·19 claims
- 4488US12140847B2Display apparatus using application software context for privacy controlREALD SPARK LLC·Filed 2021·Granted Nov 12, 2024·1 cites·14 claims
- 4588US11115647B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Sep 7, 2021·2 cites·41 claims
- 4688US11109014B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Aug 31, 2021·2 cites·20 claims
- 4787US11630336B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2021·Granted Apr 18, 2023·1 cites·27 claims
- 4887US9740034B2Control of directional displayREALD SPARK LLC·Filed 2014·Granted Aug 22, 2017·7 cites·41 claims
- 4987US2025035985A1Optical stack for switchable directional displayREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 5086US11474396B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2020·Granted Oct 18, 2022·1 cites·30 claims
Showing the top 50 of 165 patent records by PatentIndex Score.
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