US 12,332,434 B2
Holographic head-up display system
Hakan Urey, Istanbul (TR); Georgios Skolianos, Redwood City, CA (US); Erdem Ulusoy, Istanbul (TR); Goksen G. Yaralioglu, Los Altos, CA (US); and Trevor Chan, San Jose, CA (US)
Assigned to CY VISION INC., San Jose, CA (US)
Filed by CY VISION INC., San Jose, CA (US)
Filed on Aug. 12, 2021, as Appl. No. 17/401,127.
Application 17/401,127 is a continuation of application No. PCT/TR2019/050092, filed on Feb. 12, 2019.
Prior Publication US 2021/0373330 A1, Dec. 2, 2021
Int. Cl. G02B 27/01 (2006.01); G02B 25/00 (2006.01); G02B 26/08 (2006.01); G02B 27/00 (2006.01)
CPC G02B 27/0101 (2013.01) [G02B 25/001 (2013.01); G02B 26/0816 (2013.01); G02B 27/0093 (2013.01); G02B 27/0103 (2013.01); G02B 2027/0134 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0161 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A head-up display system comprising:
at least one light module, each at least one light module comprising at least one light source, and at least one spatial light modulator configured to display computer generated holograms to spatially modulate light incident from said at least one light source;
wherein said at least one light module is configured to generate a modulated beam that carries holographic image information and undesired beams; and
an optical filter, the optical filter configured to block said undesired beams and transmit the modulated beam, wherein the modulated beam transmitted through the optical filter forms at least one exit pupil on an exit pupil plane for viewing the head-up display content;
wherein the at least one exit pupil created by each of the at least one light module is steerable across the exit pupil plane using an optical steering system to direct the modulated beam, said optical steering system comprising a rotatable steering mirror,
wherein the head up display system comprises an imaging lens, and said exit pupil is formed using the imaging lens, and
wherein the exit pupil comprises two exit pupils formed by the imaging lens, the two exit pupils being separated by an interpupillary distance (IPD) value in the range of 52 mm to 75 mm.