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发明名称
投射型影像显示装置
摘要
本发明乃为实现一轻巧且明亮,不会因为藉由黑影像时之漏光所产生对比降低,低价格之反射型液晶投影机用光学单元。其使用藉由只具有以同一之特定方向格子作用,做为对反射型液晶面板之偏光子及检光子,使得以产生作用之反射型偏光板做为偏光板,使用辅助偏光子及吸收型之辅助检光子,因应于反射型液晶面板之特性,将此等之反射轴,或是吸收轴,做为使用于黑影像时之漏光变少之方向的构造。
申请公布号
TW200402545
申请公布日期
2004.02.16
申请号
TW092116424
申请日期
2003.06.17
申请人
日立制作所股份有限公司
发明人
中岛努;大内敏;今长谷太郎;三好智浩
分类号
G02B27/28
主分类号
G02B27/28
代理机构
代理人
林志刚
主权项
地址
日本
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