公开(公告)号：US10712582B2

公开(公告)日：2020-07-14

申请号：US15991746

申请日：2018-05-29

申请人： ReaID Spark, LLC

发明人： Jonathan Harrold ,  Michael G. Robinson ,  Graham J. Woodgate ,  Miller H. Schuck ,  Adrian J. Hill

IPC分类号： G02B30/26 ,  H04N13/32 ,  H04N13/368 ,  H04N13/371 ,  H04N13/373 ,  H04N13/376 ,  H04N13/378 ,  H04N13/38 ,  F21V8/00 ,  G02B30/00 ,  H04N13/356 ,  H04N13/30

摘要： Disclosed is a light guiding valve apparatus including an imaging directional backlight, an illuminator array and an observer tracking system arranged to achieve control of an array of illuminators which may provide a directional display to an observer over a wide lateral and longitudinal viewing range, wherein the number of optical windows presented to the observer as viewing windows is controlled dependent on the lateral and longitudinal position or speed of an observer.