Many parameters are required to describe their performance, which is transmission ratio, extinctivity ratio, angle of view field, splitting angle, etc.

激偏棱参数较多，透射比、消比、视场角、分束角、长度孔比等。

The photoemissions are showed after dichroitic azo dyes doping with liquid crystal,such as widening angle of view, improving light in display and so on.

与液晶掺杂后这类染料表现出许多良好特性,如具有宽液晶显示视角、增加显示亮度等。