
About OLED Screen :-The using OLED are known as
OLED. The display of OLED screen has two Glass
substrates enclosing a layer of liquid crystal. The is
placed between these electrodes.The liquid crystal
molecules align in different patterns.
PCB Function with Pulse Oximeter:-The pulse
oximeter analyses the light absorption of two
wavelengths from the pulsatile-added volume of
oxygenated arterial blood (AC/DC) and calculates
the absorption ratio using the following equation.
SpO2 is taken out from a table stored on the
memory calculated with empirical formulas.