[HTML][HTML] Versatility of photoalignment techniques: From nematics to a wide range of functional materials

T Seki, S Nagano, M Hara - Polymer, 2013 - Elsevier
Alignment methods of nematic liquid crystals (LCs) by surface photoreactions on substrate
surfaces were initially proposed around 1990, and the photoalignment technology of …

Selective liquid crystal driving mode achieved by controlling the pretilt angle via a nanopatterned organic/inorganic hybrid thin film

IH Song, HC Jeong, JH Lee, J Won… - Advanced Optical …, 2021 - Wiley Online Library
Behavior of liquid crystal (LC) is a result of interaction between the geometrical shape
restrictions of the adjacent surface and molecular forces among LCs or adjacent surface. For …

Submicron-scale liquid crystal photo-alignment

EA Shteyner, AK Srivastava, VG Chigrinov, HS Kwok… - Soft Matter, 2013 - pubs.rsc.org
In this article, we disclose a method to achieve submicron-scale resolution for liquid crystals
by photo-alignment of the sulfonic azo dye (SD1) layer. The interference pattern produced …

Nano particles induced vertical alignment of liquid crystal for display devices with augmented morphological and electro-optical characteristics

P Kumar, V Sharma, P Malik, KK Raina - Journal of Molecular Structure, 2019 - Elsevier
In this work, vertically aligned electro-optical (EO) cells were fabricated using plane Indium–
Tin-Oxide (ITO) substrates without any surface treatment of ITO for the alignment of liquid …

Asymmetric organic–inorganic hybrid giant molecule: cyanobiphenyl monosubstituted polyhedral oligomeric silsesquioxane nanoparticles for vertical alignment of …

DY Kim, S Kim, SA Lee, YE Choi, WJ Yoon… - The Journal of …, 2014 - ACS Publications
For liquid crystal (LC) alignment, polyhedral oligomeric silsesquioxanes (POSS) can be
considered as one of the promising candidates for the formation of vertical alignment (VA) of …

Tin dioxide inorganic nanolevel films with different liquid crystal molecular orientations for application in liquid crystal displays (LCDs)

YG Kang, HJ Kim, HG Park, BY Kim… - Journal of Materials …, 2012 - pubs.rsc.org
We generated SnO2 alignment films with one of two liquid crystal (LC) molecular
orientations: a stable, vertical orientation or a homogeneous orientation. We changed the …

Liquid crystal alignment in nanoporous anodic aluminum oxide layer for LCD panel applications

C Hong, TT Tang, CY Hung, RP Pan, W Fang - Nanotechnology, 2010 - iopscience.iop.org
This paper reports the implementation and integration of a self-assembled nanoporous
anodic aluminum oxide (np-AAO) film and liquid crystal (LC) on an ITO–glass substrate for …

Role of surface hydrophobicity in pretilt angle control of polymer-stabilized liquid crystal alignment systems

BY Liu, LJ Chen - The Journal of Physical Chemistry C, 2013 - ACS Publications
A certain amount of photocurable monomers biphenyl diacrylate and lauryl acrylate was
added to liquid crystal (LC) molecules. The LC alignment was stabilized with a certain pretilt …

Polyimide blend alignment layers for control of liquid crystal pretilt angle through baking

H Kang, JS Park, EH Sohn, D Kang, C Rosenblatt… - Polymer, 2009 - Elsevier
Polyimide films were used for liquid crystal (LC) alignment layers to control LC pretilt angles
over the full range (8°–90°). The pretilt angles could be controlled using polyimide films …

Orientational Transition of Liquid Crystal Molecules by a Photoinduced Transformation Process into a Recovery‐free Silicon Oxide Layer

JB Kim, CJ Choi, JS Park, SJ Jo, BH Hwang… - Advanced …, 2008 - Wiley Online Library
The vertical alignment of liquid crystal (LC) on an inorganic silicon oxide layer, which is
fabricated by a simple photoinduced transformation process of an ultrathin poly …