3D light field displays and methods with improved viewing angle, depth and resolution

ZY Alpaslan, HS El-Ghoroury - US Patent 10,297,071, 2019 - Google Patents
Abstract 3D light field display methods and apparatus with improved viewing angle, depth
and resolution are introduced. The methods can be used to create a high quality 3D light …

Improvement of a floating 3D light field display based on a telecentric retroreflector and an optimized 3D image source

X Gao, X Yu, X Sang, L Liu, B Yan - Optics Express, 2021 - opg.optica.org
For a floating three-dimensional (3D) display system using a prism type retroreflector, non-
retroreflected light and a blurred 3D image source are two key causes of the deterioration in …

Spatio-temporal directional light modulator

HS El-Ghoroury, ZY Alpaslan, J Cai, M Maiers… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A spatio-temporal directional light modulator is introduced. This directional
light modulator can be used to create 3D displays, ultra-high resolution 2D displays or …

Integral-floating display with 360 degree horizontal viewing angle

MU Erdenebat, G Baasantseren, N Kim… - Journal of the Optical …, 2012 - opg.optica.org
A three-dimensional integral-floating display with 360 degree horizontal viewing angle is
proposed. A lens array integrates two-dimensional elemental images projected by a digital …

Vertical viewing angle enhancement for the 360 degree integral-floating display using an anamorphic optic system

MU Erdenebat, KC Kwon, KH Yoo, G Baasantseren… - Optics letters, 2014 - opg.optica.org
We propose a 360 degree integral-floating display with an enhanced vertical viewing angle.
The system projects two-dimensional elemental image arrays via a high-speed digital …

Resolution improvement in aerial imaging by a retroreflector using micro aperture arrays

J Chen, Y Zhou, J Hou, M Jiang, Y Li, H He - Applied Optics, 2024 - opg.optica.org
For a floating display system using a prism-or bead-type retroreflector, non-retroreflected
light is the key cause of the deterioration in image resolution. In the present study, a micro …

Advanced 360-degree integral-floating display using a hidden point removal operator and a hexagonal lens array

MU Erdenebat, KC Kwon, E Dashdavaa… - Journal of the Optical …, 2014 - opg.optica.org
An enhanced 360-degree integral-floating three-dimensional display system using a
hexagonal lens array and a hidden point removal operator is proposed. Only the visible …

Analysis of off-axis integral floating system using concave mirror

YM Kim, KM Jung, SW Min - Journal of the Optical Society of Korea, 2012 - opg.optica.org
An off-axis integral floating system using a concave mirror is analyzed to resolve the image
distortion incurred by the off-axis optical arrangement. The concave mirror can be adopted …

Effect of Petzval curvature on integral imaging display

G Baasantseren, D Batbayr… - … and Applications XXVI, 2015 - spiedigitallibrary.org
Integral imaging (InIm) is an interesting research area in the three-dimensional (3-D) display
technology. While it is simple in structure, it shows full color and full parallax 3-D images …

Resolution enhancement in retro-reflector based on aerial imaging using micro aperture arrays

J Chen, J Hou, Y Zhou, M Jiang, Y Li… - AOPC 2023: Optical …, 2023 - spiedigitallibrary.org
For a floating display system using a prism or bread type retro-reflector, non-retro-reflected
light is the key causes of the deterioration in image resolution. In the present study, a micro …