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OLED Display

Applications

Pulse Oximeter

OLED Display Use Case

Pulse Oximeter
Pulse oximeters display measurement values that need to be read quickly and clearly.
This page introduces an OLED display use case for pulse oximeters, improving readability from different viewing angles and reducing visible inactive segments.
  • Outdoor daily health management scene with a person seated in a wheelchair

    Pulse Oximeter Overview

    A pulse oximeter is a medical device that measures blood oxygen saturation without taking blood samples.
    It helps check how much oxygen is carried in the blood throughout the body.
    Pulse oximeters are widely used for daily health management by people with chronic diseases and in medical and nursing care.

  • Pulse oximeter showing SpO2 and pulse rate readings on a fingertip

    Clear OLED Readings

    A variety of displays are currently used in pulse oximeters. Among them, OLED displays are suitable for showing readings in a clear, readable way.
    OLED displays make values clearly visible, even when viewed from an angle.

  • Traditional pulse oximeter display with blurry measurement values that may be misread

    Inactive Segment Issues

    On a traditional display, segments that are not lit may still be visible. This can make measurement values difficult to read.

    With OLED, only the displayed characters are illuminated, so inactive segments are less visible and measurement values can be read clearly.

OLED Reading Comparison

  • Traditional Display
    Traditional pulse oximeter display with visible inactive segments
  • OLED Display
    OLED pulse oximeter display showing clear SpO2 and pulse rate readings
    * Image of SOAR OLED
  • Problem

    "When I look at the readings from an angle, the numbers are blurry and difficult to read. I have to view them from the front..."

    Solution

    OLED displays are easy to read even when viewed from an angle. Measurements remain clearly visible even when not viewed from the front.

  • Problem

    "It is hard to read the numbers because inactive segments are faintly visible..."

    Solution

    Non-displayed areas remain completely black and do not emit light. Numbers are clearly readable.

Standard OLED Option

MXS4200  0.96inch / White 128×64 dot

Outline drawing of the MXS4200 OLED standard model