US 12,238,267 B2
Device to create and display free space hologram
Medha Dharmatilleke, Singapore (SG); and Nanayakkara Dharmatilleke, Singapore (SG)
Assigned to Medha Dharmatilleke, Singapore (SG)
Appl. No. 17/790,756
Filed by Medha Dharmatilleke, Singapore (SG); and Nanayakkara Dharmatilleke, Singapore (SG)
PCT Filed Jul. 12, 2020, PCT No. PCT/SG2020/050398
§ 371(c)(1), (2) Date Jul. 4, 2022,
PCT Pub. No. WO2021/137752, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 10202000067Y (SG), filed on Jan. 5, 2020.
Prior Publication US 2023/0035915 A1, Feb. 2, 2023
Int. Cl. H04N 13/302 (2018.01); A61B 90/00 (2016.01); G02B 26/08 (2006.01); G02B 30/56 (2020.01); G03H 1/00 (2006.01); G03H 1/22 (2006.01); G04G 9/00 (2006.01); G06F 3/01 (2006.01); G06T 19/00 (2011.01); G09B 5/02 (2006.01); G09B 9/08 (2006.01); G09B 23/30 (2006.01); H04M 1/02 (2006.01); H04M 1/72448 (2021.01); H04N 13/218 (2018.01); H04N 13/236 (2018.01); H04N 13/243 (2018.01); H04N 13/293 (2018.01); H04N 13/359 (2018.01); H04S 1/00 (2006.01)
CPC H04N 13/302 (2018.05) [A61B 90/37 (2016.02); G02B 26/0875 (2013.01); G02B 30/56 (2020.01); G03H 1/0005 (2013.01); G03H 1/2205 (2013.01); G04G 9/007 (2013.01); G06T 19/006 (2013.01); H04N 13/218 (2018.05); H04N 13/236 (2018.05); H04N 13/243 (2018.05); H04N 13/293 (2018.05); H04N 13/359 (2018.05); H04S 1/00 (2013.01); G03H 2001/0088 (2013.01); G06F 3/015 (2013.01); G06F 3/017 (2013.01); G09B 5/02 (2013.01); G09B 9/08 (2013.01); G09B 23/30 (2013.01); H04M 1/026 (2013.01); H04M 1/72448 (2021.01); H04N 2213/001 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hologram device comprising a hologram display panel which generates, creates and displays a free space pop-out and sink-in hologram on a surface of, or on top of, or inside of, or partially on top of and partially inside of, the hologram display panel, wherein the hologram display panel comprises one or more layers containing special materials having different optical properties and features, the one or more layers being attached to the hologram display panel, wherein the one or more layered structure attached to the hologram display panel generates, creates, and displays the hologram in free space;
wherein the hologram display panel comprises a Liquid Crystal Display (LCD) based, Light Emitting Diode (LED) based, electronic paper based, digital paper based, light based, Cathode Ray Tube (CRT) based, pixelated based, or an illuminated based, display; and
wherein the one or more layers comprise one or more of the following: optical focusing layer & structure, optical lens array, optical refractive layer and structure, optical diffraction layer, optical guide layer and structure, optical total internal reflection structure layer, optical total internal reflection layer, optical spacer layer, diverging optics layer, converging optics layer, lenticular optics layer, array of optical total internal reflective structures, adhesive layer, optical coupling layers, optical adhesive coupling layer, electromagnetic or electro static actuators for fine tuning of hologram, hydraulic or pneumatic actuator for fine tuning of hologram, mobile phone communication hardware, antenna for wireless communication, batteries, cellular network hardware and software, magnetic field inducer array, single or multiple cameras for eye tracking, display with an array of pixels, backlight for display illumination, backlight illumination with quantum dots, color filter and filter array, camera capable of capturing 3-dimensional hologram quality fully focused images and videos, and spatial audio.