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Durability Testing of LCD and OLED Displays

LCD and OLED displays

Digital displays are embedded in almost every electronic device or piece of machinery available today. They typically come as LCD and OLED technology-based displays. The market has shown large growth over the past few years. One statement from Business Korea about OLED displays for vehicles is particularly impressive: “… The market for OLED displays for vehicles is expected to grow fast from 240,000 units in 2020 to 4.4 million units in 2025.”

Individual materials used to manufacture displays, as well as the completed displays themselves, undergo numerous quality and performance tests including temperature/power cycling, scratch resistance, mechanical stress tests, and UV durability.

Durability Testing Using Xenon

Display developers are aware that LCD and OLED displays are sensitive to UV in different ways. Xenon instruments are ideal for realistically testing the outdoor/indoor UV-durability of displays. Today, they provide the best spectral match to natural outdoor/indoor sunlight. Test temperature and relative humidity are automatically controlled. Furthermore, water sprays can be included into testing to simulate rain.

Rotating-rack xenon instruments, such as Atlas Ci Weather-Ometers®, can test multiple small displays up to approximately 6-8‘’. Static flatbed-types, like the Atlas SUNTEST XXL+, test either multiple small or two large displays up to 20’’.

(1) Touch screen user interface, (2) Ethernet, USB, SD Card, RS232, (3) Light Cassette incl. xenon lamp, optical filter, (4) Water spray nozzles, (5) Light monitors, (6) Black Panel Temperature sensor, (7) Specimens

More Information

Displays and electronic product testing is a vast subject that we just briefly touched today. Please note that we have more useful information on the topic for you.

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