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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Bibliographische Detailangaben
Hauptverfasser: HARTTER DAVID L, GUREL EMINE ELIF, COENJARTS CHRISTOPHER A, LOEHR TODD M, ZHU SHIXIONG, GRAF JOHN, PETERS PHILIP M, DI JIANBO, RIELLO, JR. JOSEPH A, HAY GRANT
Format: Patent
Sprache:eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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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.