公开(公告)号：US20070087132A1

公开(公告)日：2007-04-19

申请号：US11254109

申请日：2005-10-18

申请人： Jehuda Greener ,  James Elman ,  Jon Hammerschmidt ,  Elizabeth Priebe

发明人： Jehuda Greener ,  James Elman ,  Jon Hammerschmidt ,  Elizabeth Priebe

IPC分类号： G02B5/00 ,  G02F1/1335 ,  C09K19/00

CPC分类号： G02F1/133634 ,  G02B5/3083 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

摘要： A method of forming an optical compensation film includes coating one or more first layers and one or more second layers onto a carrier substrate, and stretching the first layers and second layers simultaneously. The one or more first layers include a polymer having an out-of-plane birefringence (Δnth) not more negative than −0.005 and not more positive than +0.005, and the one or more second layers include a polymer having an out-of-plane birefringence more negative than −0.005 or more positive than +0.005. The overall in-plane retardation (Rin) of the optical compensation film is greater than 20 nm and the out-of-plane retardation (Rth) of the optical compensation film is more negative than −20 nm or more positive than +20 nm.

摘要翻译： 形成光学补偿膜的方法包括将一个或多个第一层和一个或多个第二层涂覆到载体基底上，同时拉伸第一层和第二层。 一个或多个第一层包括具有不大于-0.005而不是更大的正值的+0.005的面外双折射（Deltan SUBT）的聚合物，并且一个或多个第二层包括 聚合物的面外双折射比-0.005以上，+0.005以上。 光学补偿膜的整体面内延迟（R SUB）在大于20nm的范围内，并且光学补偿的面外延迟（R SUB） 膜比-20nm或更大，比+ 20nm更负。