论文部分内容阅读
发光二极管(LED)具有体积小、重量轻、耗电少、寿命长、可靠性高,响应速度快等特点,是一种用途广泛的半导体器件。但是,普通亮度的 LED 发光亮度和发光效率都很低,仅适宜在低背景亮度条件下作为显示器件使用。80年代以来,继高亮度 LED 之后又出现了超高亮度LED,使 LED 也能在高背景亮度条件下作为显示器件使用。进入90年代,LED 的发光效率又有了很大提高,给
Light-emitting diode (LED) has a small size, light weight, low power consumption, long life, high reliability, fast response and other characteristics, is a widely used semiconductor devices. However, ordinary brightness LED luminous brightness and luminous efficiency are very low, only suitable for low background brightness conditions as a display device. Since the 1980s, following the high-brightness LED appeared after the ultra-high brightness LED, the LED can also be used as a display device in high background brightness conditions. Into the 90’s, LED’s luminous efficiency has been greatly improved, to