A method for producing microlenses

Details A method for producing microlenses A method for producing microlenses

G - Physics

02

B

G02B 3/00 (2006.01) B29D 11/00 (2006.01) B32B 27/00 (2006.01) B42D 15/00 (2006.01) G07D 7/20 (2006.01)

Patent

CA 2732989

A method for producing microlenses (4) comprises the steps of providing a carrier substrate (5), prestructuring the carrier substrate using the intaglio printing method, such that on a front of the carrier substrate raised regions are produced and on a back opposite of the front of the carrier substrate, recesses corresponding to the raised regions are produced, and applying trans-lucent plastic (7, 8) on at least one side of the carrier substrate in the region of the raised regions or recesses for forming microlen-ses.

L'invention concerne un procédé de production de microlentilles (4), comprenant les étapes suivantes: préparation d'un substrat porteur (5), préstructuration du substrat porteur par un procédé d'impression en relief, de manière à créer des élévations sur la face avant du substrat porteur, et des creux correspondant sensiblement aux élévations sur la face arrière opposée à la face avant du substrat porteur, et application d'une matière plastique (7, 8) translucide sur au moins une face du substrat porteur dans la zone des élévations ou des creux, afin de former des microlentilles.

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