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日本大阪大学研制成一种用于挂壁电视的薄膜式电致发光器件.只要改变外加电压,就能在一个象素上发出绿、黄绿、黄、橙黄、红等各色光.以前的薄膜式发光器件是单色发光,而且需要200伏以上的外加电压.新研制的发光器件是采用以烯土类化合物为主的薄膜式电致发光器件,外加电压仅为60伏左右.它综合了稳定的单色发光技术而实现了多色化.不过,唯有以蓝光为主的短波部分亮度
Japan’s Osaka University developed a film-type electroluminescent device for wall-mounted TVs that emits green, yellow-green, yellow, yellow-orange, red and other light colors on one pixel as long as the applied voltage is changed. The light-emitting device is a monochromatic light and requires an applied voltage of more than 200 V. The newly developed light-emitting device is a thin-film electroluminescent device mainly made of an alkene compound with an applied voltage of only about 60 V. It combines stabilization Of the monochromatic light-emitting technology to achieve a multi-color. However, only the blue-based short-wave part of the brightness