From high-speed, automated inspection systems for quality control on the production line, to high-precision solutions for R&D, Radiant‘s expertise in display test is unmatched. World leaders in consumer electronics and manufacturing rely on Radiant display test and measurement solutions to improve supply chain performance, reduce production costs, and ensure a high-quality end product. Our automated visual inspection systems accommodate multiple screen sizes and technologies, including LCD, OLED, microLED, projection, and more. Systems can be implemented throughout the display manufacture process to test display quality every step of the way for fully-automated quality control.
Backlight Units (BLU)
Uniformity Testing for BLUs
Light leakage and non-uniformity in LCD and LED backlight units (BLUs) can render the performance of a display unit unacceptable. The human eye can't test for these conditions with accurate and repeatable results. Using spot measurement devices provides insufficient information with unacceptably long cycle times. Radiant’s TrueTest™ Software comes with a library of predefined tests, including brightness and color uniformity, chromaticity, and contrast in panel display inspection—ensuring that every BLU meets performance standards.
Display Panel Modules
Detection of Foreign Material
For suppliers of glass, film, and other sub-assemblies, imaging colorimeters provide early identification of defects, reducing overall production costs by preventing additional investments from being made into flawed assemblies. Detection of foreign material, including dirt or fibers, can be performed at key points in the manufacturing process to avoid locking in these defects under film or glass. Unlike human inspection, a Radiant automated visual inspection system can find and size significant small defects, instantaneously and repeatably, regardless of their location.
Light leakage is a common problem in LCD modules. It can be caused by physical damage during the manufacturing process or from faulty sub-components. Radiant’s TrueTest systems detect and classify light leakage problems before products leave the factory. Our proven technology provides repeatable and accurate results across multiple production lines and at different manufacturing locations.
Quality Inspection of Consumer Electronics
Makers of smartphones, tablets, and other display devices rely on Radiant to ensure a perfect end-user experience. An automated visual inspection system—comprised of TrueTest Software and a ProMetric® Imaging Colorimeter or Photometer—enables manufacturers to test display quality and identify defects with greater accuracy, efficiency, and completeness than manual inspection methods. You can tailor pass/fail criteria to address your unique quality concerns, including line and pixel defects, light leakage, non-uniformity, and mura detection. Radiant's systems also excel at assembly verification and surface inspection of non-illuminated components and assemblies.