IEC TR 62977-2-4:2018（E）全面概述了两种主要显示技术（液晶（LC）和有机发光二极管（OLED）显示器）的透明显示器的应用场景，并介绍了建立适当测量方法时考虑的观察和照明方面。

IEC TR 62977-2-4:2018(E) provides a comprehensive overview of application scenarios for transparent displays of the two major display technologies (liquid crystal (LC) and organic light emitting diode (OLED) displays) and introduces the observation and illumination aspects that are taken into account for the establishment of appropriate measurement methods.