Nanopatterning of Polymer/gallium oxide thin films by UV-curing nanoimprint lithography for liquid crystal alignment

DH Kim, DW Lee, JY Oh, J Won… - ACS Applied Nano …, 2022 - ACS Publications
A liquid crystal (LC) alignment layer was created using the nanoimprint lithography method
and ultraviolet (UV) curing. A hybrid film of a solution of gallium oxide (GaO) and a UV …

Controlling the pretilt angles of guest–host liquid crystals via a hydrophilic polyimide layer through oxygen plasma treatment

Y Liang, Y Wang, M Zhu, L Qiu, J Zhu… - ACS Applied …, 2022 - ACS Publications
The control of the liquid crystal (LC) alignment is an important factor for practical
applications. The conventional method typically used is the rubbing of the polyimide (PI) …

Graphene-oxide-doped oriented nickel oxide film achieved through brush coating for liquid crystal system

JY Oh, DH Kim, DB Yang, J Won, DW Lee… - Surfaces and Interfaces, 2023 - Elsevier
Hybrid films containing nickel oxide and graphene oxide are introduced in this work. The
hybrid films are fabricated through a one-step brush-coating process, and the weight ratios …

Evaporation induced self-assembly of silica nanoparticles on ito substrates in a confined cell for vertical alignment of liquid crystals and performance analysis

AR Dogra, V Sharma, R Gahrotra, P Kumar - Colloids and Surfaces A …, 2022 - Elsevier
The work reported herein advances the approach to achieve the vertical alignment (VA) of
liquid crystals (LCs) by directly forming the multilayer self-assembly of nanoparticles (NPs) …

Nanostructured hafnium-doped strontium oxide film for homeotropic/homogeneous convertible liquid crystal alignment depending on the curing temperature

DH Kim, DW Lee, JY Oh, J Won… - International Journal of …, 2022 - Taylor & Francis
ABSTRACT A hafnium strontium oxide (HfSrO) liquid crystal (LC) alignment film was
efficiently created through brush coating, and its ability to change the LC alignment direction …

Rigid-flex stamped indium tin oxide film for convertible self-alignment

DH Kim, JY Oh, J Won, DB Yang, BK Choi, Y Liu… - Journal of Molecular …, 2023 - Elsevier
The alignment layer process, which is a key element for liquid crystal (LC) displays, was
investigated for efficiency improvement and for suggesting a new mode. To produce …

Interdependency among electro-optic characteristics and absorption coefficient of homeotropically aligned liquid crystal considering Beer's law theory

Chinky, P Kumar, AR Dogra, P Malik - Bulletin of Materials Science, 2022 - Springer
In the present study, interdependency among electro-optic (EO) characteristics and
absorption coefficient of homeotropically aligned liquid crystal (HALC) considering Beer's …

Geometric-phase intraocular lenses with multifocality

S Lee, G Park, S Kim, Y Ryu, JW Yoon… - Light: Science & …, 2022 - nature.com
We demonstrate a new type of multifocal and extended depth of focus (EDOF) intraocular
lenses (IOLs) embedding μm-thin geometric phase (GP) lens layers. As an emerging …

[HTML][HTML] Self-aligned liquid crystals and enhanced electro-optical properties on solution-processed aluminum gallium tin zinc oxide surfaces

DH Kim, DW Lee, JY Oh, J Won, Y Liu… - Journal of Materials …, 2022 - Elsevier
An aluminum gallium tin zinc oxide (AlGaSnZnO) film was fabricated by brush coating to
create a directional micro/nano structure. Atomic force microscopy was used to observe the …

Effects of CuInS2 nanoparticles on the alignment control of liquid crystals

D Zhao, Y Guo, W Bi, X Li, R Duan, L Guo - Nano Research, 2022 - Springer
Liquid crystal-nanoparticle composite systems have attracted particular attention for both
academic interests and applications in inducing macroscopic alignment, altering electro …