ADVANCED POLYMER DISPERSED LIQUID CRYSTAL (PDLC) FOR A DISPLAY PROJECTION SCREENS

摘要

An active or passive PDLC projection screen comprising: at least two transparent metalized or non-metalized polymer supports; at least one layer of liquid crystal dispersions located between said at least two transparent metalized polymer supports; electrical components to control the behavior of said PDLC projection screen; wherein said PDLC projection screen have a total light transmittance Tt of about 70 to 90%, a diffusion transmittance Dt of about 0 to 10%, a clarity C of 90 to 97% and a haze value H of about 0 to 3%, measured in accordance with either ASTM D 1003-13, ISO 13468-1: 1996 or ISO 13468-2: 1999; further wherein said PDLC projection screen is manufactured by methods of release sheets support.