A
3.97-inch
color
display
is
a
versatile,
small-to-medium-sized
screen
featuring
modern
display
technologies
like
TFT-LCD
or
IPS
LCD.
Key
technical
specifications
include:
Size:
3.97
inches
(measured
diagonally)
Resolution:
480×800
pixels
for
sharp
image
quality
Technology:
TFT-LCD
or
IPS
LCD
for
superior
viewing
angles
and
color
reproduction
Brightness:
Typically
300
to
1000+
nits
for
excellent
visibility
Contrast
Ratio:
High
contrast
(500:1
to
1000:1
or
better)
Viewing
Angles:
Wide
160°/160°
or
better
with
IPS
technology
Touch
Interface:
Capacitive
touchscreen
support
Interface:
Supports
MIPI,
RGB,
and
other
standard
interfaces
Backlight:
Energy-efficient
LED
backlight
Operating
Voltage:
3.3V
or
5V
logic
compatible
Power
Consumption:
Low
power
draw
ideal
for
portable
devices
Application
Areas
The
3.97-inch
size
offers
an
optimal
balance
between
visibility
and
compactness,
making
it
ideal
for
numerous
applications:
Wearable
Devices:
Smartwatches
and
fitness
trackers
with
clear
data
display
Industrial
Control:
Handheld
meters,
control
panels,
and
HMI
devices
Medical
Devices:
Portable
diagnostic
tools
and
patient
monitors
Consumer
Electronics:
Gaming
devices,
smart
home
controllers,
and
media
players
IoT
Devices:
Smart
home
hubs
and
environmental
monitors
Automotive:
Secondary
displays
and
information
panels
POS
Systems:
Compact
payment
terminals
and
inventory
scanners
Navigation
Devices:
Portable
GPS
units
Home
Appliances:
Smart
appliance
control
interfaces
