Folie zur Kontrolle von Multi-Richtstrahlen von Licht.
摘要
A light control film includes a light transmissive matrix sheet (12) and a plurality of opaque aciculae (14) disposed throughout the sheet and oriented such that the longitudinal axis of each of the acicula is generally perpendicular to the face of the sheet.
申请公布号
DE69018131(D1)
申请公布日期
1995.05.04
申请号
DE1990618131
申请日期
1990.06.08
申请人
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US
发明人
BELLUS, PETER A, C/O MINNESOTA MINING AND, P.O. BOX 33427 ST. PAUL MINNESOTA 55133, US
