G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/02 (2006.01) G02F 1/1335 (2006.01)
Patent
CA 2574497
A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, wherein between 7 to 20 percent of slope angles on the first textured surface proximate a first axis has a value between zero and five degrees. The first axis is substantially parallel to the first peripheral edge. The plastic layer collimates light propagating therethrough.
Cette invention a pour objet une lumière collimatée et un film diffusant ainsi qu~un procédé de fabrication de ce film. Ledit film comprend une couche plastique dotée d~une première face et d~une seconde face située à l~opposé de la première face et au moins une première bande périphérique. La première face possède une première surface texturée, sur laquelle 7 à 20 pour cent des angles de pente observés sur la première surface texturée à proximité d~un premier axe, ont une valeur comprise entre zéro et cinq degrés. Le premier axe est en sensiblement parallèle à la première bande périphérique. La couche plastique collimate la lumière qui se propage à travers elle.
Bastawros Adel F.
Capaldo Kevin P.
Cojocariu Gheorghe
Dias Ashwit
Graf John
Company General Electric
Craig Wilson And Company
Sabic Innovative Plastics Ip B.v.
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