IEC TR 62595-1-4:2020（E）是一份技术报告，它提供了判断未来显示器照明单元玻璃导光板标准化必要性的一般信息，包括LCD等透射显示器的背光单元和反射显示器的前灯单元。

IEC TR 62595-1-4:2020(E), which is a Technical Report, provides general information for judging the necessity of future standardization of glass light guide plates for display lighting units, which include backlight units for transmissive displays such as LCDs, and frontlight units for reflective displays.