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专利名称：Method of producing optical film laminates发明人：Daisuke Kumagai申请号：US12511472申请日：20090729公开号：US08083886B2公开日：20111227
专利附图：
摘要：An object of the present invention is to simplify the production steps andachieve efficient use of optical film webs in a case of producing an optical film laminatehaving three or more layers of optical films laminated together. A method of producingoptical film laminates by cutting a laminate into a desired shape includes: cutting a first
optical film web into first cut pieces along first cut lines; laminating the first cut piecesonto a second optical film web to form a laminate film; cutting the laminate film intosecond cut pieces along second cut lines; and laminating the second cut pieces onto athird optical film web. An angle of the first cut lines is determined to have the first cutlines crossing the optical axis of the first optical film web at a predetermined angle, andan interval of the first cut lines is determined to have the width of the second optical filmweb substantially equal to the width of the first cut pieces. An angle of the second cutlines relative to the second optical film web is determined to have the second cut linescrossing the optical axis of the second optical film web at a predetermined angle, and aninterval of the second cut lines is determined to have the width of the third optical filmweb substantially equal to the width of the second cut pieces.
申请人：Daisuke Kumagai
地址：Ibaraki JP
国籍：JP
代理机构：Westerman, Hattori, Daniels & Adrian, LLP
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