Past, current, and future of holographic video display

J An, K Won, HS Lee - Applied Optics, 2022 - opg.optica.org
Holography has been considered as the ultimate technology for three-dimensional visual
experience. Compared to the well-established static holographic technology, holographic …

The new route for realization of 1‐μm‐pixel‐pitch high‐resolution displays

JH Choi, JH Yang, JE Pi, CY Hwang… - Journal of the …, 2019 - Wiley Online Library
A new pixel structure for the realization of a 1‐μm‐pixel‐pitch display was developed. This
structure, named vertically stacked thin‐film transistor (VST), was based on the conventional …

HEVC extension for phase hologram compression

KJ Oh, H Ban, S Choi, H Ko, HY Kim - Optics Express, 2023 - opg.optica.org
Compressing digital holograms have growing attention nowadays due to their huge amount
of original data sizes. Although many progresses have been reported for full-complex …

Learning-based complex field recovery from digital hologram with various depth objects

YG Ju, HG Choo, JH Park - Optics Express, 2022 - opg.optica.org
In this paper, we investigate a learning-based complex field recovery technique of an object
from its digital hologram. Most of the previous learning-based approaches first propagate the …

21‐2: Invited Paper: 1µm Pixel Pitch Spatial Light Modulator Panel for Digital Holography

CS Hwang, JH Choi, JE Pi, JH Yang… - … Symposium Digest of …, 2020 - Wiley Online Library
Digital hologram images reconstructed through interference of the modulated light waves
requires ultra high resolution display panel. BCE oxide TFTs with channel width of 0.5 µm …

Crafting a 1.5 µm pixel pitch spatial light modulator using Ge2Sb2Te5 phase change material

YH Kim, SM Cho, K Choi, CY Hwang, GH Kim… - JOSA A, 2019 - opg.optica.org
For this research, we have developed key technologies for a 1.5 µm pixel pitch spatial light
modulator (SLM) using Ge_2Sb_2Te_5 (GST) phase change material. To uniformly …

A new objective quality metric for phase hologram processing

KJ Oh, J Kim, HY Kim - ETRI Journal, 2022 - Wiley Online Library
Because of its convenience and compatibility with various image processing techniques,
digital image representation of holograms is generally used in digital holography, and thus …

Out-of-core diffraction algorithm using multiple SSDs for ultra-high-resolution hologram generation

J Lee, D Kim - Optics Express, 2023 - opg.optica.org
The diffraction calculation is critical in computer-generated holography (CGH). However, it
becomes a performance bottleneck when generating ultra-high-resolution holograms due to …

NHVC: Neural Holographic Video Compression with Scalable Architecture

H Ban, S Choi, JY Cha, Y Kim… - 2024 IEEE Conference …, 2024 - ieeexplore.ieee.org
Recently, neural network-based approaches for hologram generation and compression
have gained popularity as they allow for efficient inference on GPUs without the need for …

World-first -pixelated 72K large area active matrix spatial light modulator on glass for digital holographic display

JH Choi, JE Pi, JH Yang, YH Kim… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
A world-first 1\mum-pixelated 72K ultra-high-resolution spatial light modulator on glass
(SLMoG) for digital holographic display was developed. Not only very large area of 3.05 …