TÜV Rheinland certified notebooks
prices on 331 model— laptop display certification for safe blue light emission levels and panel flicker rates. The presence of a certificate confirms that the screen is comfortable for the eyes.
TÜV Rheinland is a large international concern with headquarters in Cologne, Germany, providing a wide range of audit services. The company's specialists have developed and approved a series of tests to determine whether the screens of mobile devices, monitors and televisions meet the required level of eye protection from the harmful effects of radiation from displays on the user's vision on the other side of the screen. The authoritative opinion of TÜV Rheinland is respected in the tech community. Certificates from this body are issued to successfully tested electronics samples for the implemented technologies for filtering blue light and suppressing screen flicker.