Next-generation interfaces: integrating liquid crystal technologies in augmented and virtual reality – A review
Liquid Crystals Reviews,
Год журнала:
2024,
Номер
12(1), С. 30 - 56
Опубликована: Янв. 2, 2024
Язык: Английский
Epoxy-acrylate/nano-SiO2 hybrid formulations for optoelectronic coatings
Progress in Organic Coatings,
Год журнала:
2025,
Номер
200, С. 109052 - 109052
Опубликована: Янв. 5, 2025
Язык: Английский
Electrical Features of Liquid Crystal Composition Doped with Cobalt Ferrite: Possible Sensing Applications
Inorganics,
Год журнала:
2025,
Номер
13(4), С. 107 - 107
Опубликована: Март 28, 2025
The
effects
of
CoFe2O4
nanoparticles
on
the
properties
an
electro-optical
liquid
crystal
cell
based
nematic
composition
4-Cyano-4′-pentylbiphenyl
(5CB)
under
influence
different
forms
bias
voltage
were
studied.
Detailed
results
established
for
application
sinusoidal
voltages
with
various
frequencies
and
amplitudes.
At
input
signal,
a
frequency
500
kHz,
resonant
current
increase
was
obtained
in
electrical
circuit,
followed
by
decrease
frequency.
This
indicates
formation
consistent
oscillatory
circuit.
quality
factor
nanoparticle
system
does
not
depend
amplitude
controlled
voltage.
Liquid
cells
constant
can
be
used
number
devices
technologies,
including
extended
sensing
devices,
where
stable
are
required.
Язык: Английский
Three-layer polarisation volume grating with enhanced diffraction efficiency and FOV in AR and VR applications
Liquid Crystals,
Год журнала:
2024,
Номер
unknown, С. 1 - 10
Опубликована: Ноя. 4, 2024
In
the
rapidly
evolving
fields
of
Augmented
Reality
(AR)
and
Virtual
(VR),
achieving
high
diffraction
efficiency
a
wide
field
view
(FOV)
is
critical
for
enhancing
visual
experience.
This
paper
presents
three-layer
Polarisation
Volume
Grating
(TL-PVG)
structure
designed
to
address
limitations
single-layer
PVGs
in
AR/VR
applications.
By
stacking
multiple
PVG
layers
with
different
tilt
angles,
TL-PVG
achieves
an
expanded
angular
bandwidth
improved
efficiency,
enabling
brighter
more
immersive
displays.
The
proposed
incorporates
polarisation
multiplexing
optimise
optical
by
approximately
75%,
thereby
image
brightness
sharpness.
experimental
results
demonstrate
that
significantly
outperforms
traditional
PVGs,
offering
promising
solution
waveguide
elements
next-generation
study
provides
comprehensive
analysis
fabrication
process,
properties,
applications
TL-PVGs,
highlighting
their
potential
revolutionise
technology.
Язык: Английский
Metal-Free Synthesis, Single Crystal Analysis and Photophysical Behavior of p-Terphenyls
Journal of Molecular Structure,
Год журнала:
2024,
Номер
1322, С. 140608 - 140608
Опубликована: Ноя. 9, 2024
Язык: Английский
Peculiarities of polarised light scattering in nematic liquid crystals with large-scale director perturbations
Liquid Crystals,
Год журнала:
2024,
Номер
unknown, С. 1 - 7
Опубликована: Авг. 12, 2024
We
examine
light
scattering
in
a
birefringent
material,
namely
uniaxial
nematic
liquid
crystal
possessing
macroscopic
orientation
perturbations
(variations
of
director
planar
alignment).
Our
theoretical
analysis
and
direct
experiments
proved
that
the
polarisation
state
scattered
speckle-field
is
uniform
elliptical
(in
common
case).
The
ellipse
azimuth
waves
mirror
reflected
to
one
directly
transmitted
relative
optical
axis.
Язык: Английский
Electrically Tunable Liquid Crystal Lens with Varifocal Capability
ACS Applied Optical Materials,
Год журнала:
2024,
Номер
2(10), С. 2175 - 2183
Опубликована: Окт. 10, 2024
This
article
presents
the
design,
fabrication,
characterization,
and
performance
evaluation
of
a
varifocal
liquid
crystal
(LC)
lens
with
an
inhomogeneous
cell
gap.
The
prototype
employs
LC
compound
high
birefringence
features
optimized
multilayered
glass-electrode-LC
configuration
device's
thickness
under
1
mm,
demonstrating
remarkable
power
tunability
range
−0.44
to
−2.84
diopter
(D)
low
voltage
operation.
Also,
we
introduce
wireless
powering
method
enhance
mobility
durability
device.
ultrathin
smart
design
eliminates
need
for
mechanical
actuation
complex
control
systems,
offering
significant
potential
applications
in
next
generation
solution
optical
devices
such
as
detachable
lenses,
contact
augmented
reality
systems.
Язык: Английский
Effects of Photopatterning Conditions on Azimuthal Surface Anchoring Strength
Crystals,
Год журнала:
2024,
Номер
14(12), С. 1058 - 1058
Опубликована: Дек. 6, 2024
Spatially
varying
alignment
of
liquid
crystals
is
essential
for
research
and
applications.
One
widely
used
method
based
on
the
photopatterning
thin
layers
azo-dye
molecules,
such
as
Brilliant
Yellow
(BY),
that
serve
an
aligning
substrate
a
crystal.
In
this
study,
we
examine
how
conditions,
BY
layer
thickness
(b),
light
intensity
(I),
irradiation
dose,
age
affect
quality
strength
azimuthal
surface
anchoring.
The
anchoring
coefficient,
W,
determined
by
analyzing
splitting
integer
disclinations
into
half-integer
at
prepatterned
substrates.
strongest
achieved
b
in
range
5–8
nm.
W
increases
with
within
same
I.
Aging
non-irradiated
coating
above
15
days
reduces
W.
Our
study
also
demonstrates
sealed
photopatterned
cells
filled
conventional
nematic
preserve
their
up
to
four
weeks,
after
which
time
decreases.
This
work
suggests
optimization
pathways
photoalignment
crystals.
Язык: Английский