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发明名称
双折射膜之制造方法,使用其之光学膜及影像显示装置
摘要
提供一种面内相位差、厚度方向相位差、配向轴之均一性优异之双折射膜。于聚合物膜拉伸之过程中,将该聚合物膜往宽边方向拉伸之同时,使其长边方向收缩,当拉伸前之聚合物膜在宽边方向之长度以及在长边方向之长度分别定为1的情况,该拉伸所造成之宽边方向的长度变化倍率(STD)与该收缩所造成之长边方向的长度变化倍率(SMD)之关系系满足下述式(1)来制造双折射膜:(1/STD)^1/2≦SMD≦1…(1)。
申请公布号
TW200523646
申请公布日期
2005.07.16
申请号
TW093130061
申请日期
2004.10.05
申请人
日东电工股份有限公司
发明人
石桥邦昭;土本一喜;吉见裕之
分类号
G02F1/13363;G02B5/30
主分类号
G02F1/13363
代理机构
代理人
林镒珠
主权项
地址
日本
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