Invention Grant
- Patent Title: Stabilization for privacy display
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Application No.: US17372059Application Date: 2021-07-09
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Publication No.: US11809052B2Publication Date: 2023-11-07
- Inventor: Jonathan Harrold , Graham J. Woodgate , Robert Ramsey
- Applicant: RealD Spark, LLC
- Applicant Address: US CA Beverly Hills
- Assignee: RealD Spark, LLC
- Current Assignee: RealD Spark, LLC
- Current Assignee Address: US CO Boulder
- Agent Penny L. Lowry
- Main IPC: G02F1/137
- IPC: G02F1/137 ; G02F1/13363 ; G02F1/13 ; G02F1/1333 ; G02F1/1335 ; F21V8/00 ; G02F1/1337 ; G02F1/1343 ; G02F1/139 ; G06F3/044

Abstract:
A display comprises a polarised output spatial light modulator, switchable liquid crystal retarder, absorbing polarizer and touch panel electrodes. The switchable liquid crystal layer is stabilised by a cured reactive mesogen material during application of an applied voltage. Light scatter in privacy mode is reduced and visual security level enhanced. Visibility of disclinations during application of applied pressure, for example from a finger on a touch screen is minimised.
Public/Granted literature
- US20210405403A1 Stabilization for privacy display Public/Granted day:2021-12-30
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