Light-diffusing films, backlight display devices comprising the light-diffusing films, and methods of making the same

Light-diffusing films, backlight display devices comprising the light-diffusing films, and methods of making the same

A light-diffusing film comprises about 90 wt. % to about 99.999 wt. % polycarbonate, wherein the polycarbonate comprises a yellowness index of about 0.8 to about 1.5 as measured in accordance with ASTM E313-73 (D1925); about 0.001 wt. % to about 3 wt. % light-diffusing particles; wherein weight perc...

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Hauptverfasser: Coenjarts, Christopher A, Di, Jianbo, Graf, John, Gurel, Emine Elif, Hartter, David L, Hay, Grant, Loehr, Todd M, Peters, Philip M, Riello, Jr, Joseph A, Zhu, Shixiong
Format: Patent
Sprache:eng
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Zusammenfassung:A light-diffusing film comprises about 90 wt. % to about 99.999 wt. % polycarbonate, wherein the polycarbonate comprises a yellowness index of about 0.8 to about 1.5 as measured in accordance with ASTM E313-73 (D1925); about 0.001 wt. % to about 3 wt. % light-diffusing particles; wherein weight percents are based on a total weight of the light-diffusing film; and wherein the light-diffusing film comprises a light transmission of about 45% to about 65% as measured in accordance with ASTM D1003-00, and a hiding power of 0 to about 0.5.