A method of manufacturing an optical sheet includes: discharging a liquid droplet discharged to one side surface of a sheet substrate; and curing the liquid droplet so that a protrusion is formed in the one side surface to allow light from the one side surface to be refracted and emitted, wherein a supporting...http://www.google.fr/patents/US20060285360?utm_source=gb-gplus-shareBrevet US20060285360 - METHOD OF MANUFACTURING OPTICAL SHEET, OPTICAL SHEET, PLANAR LIGHTING APPARATUS, AND ELECTRO OPTICAL APPARATUS
METHOD OF MANUFACTURING OPTICAL SHEET, OPTICAL SHEET, PLANAR LIGHTING ...
Numéro de demande: 11/420,312 Numéro de publication: US 2006/0285360 A1 Date de dépôt: 25 mai 2006 Brevet délivré: US7572483 ( Date de délivrance 11 août 2009)