发明名称 |
Permeable screen and its manufacturing method |
摘要 |
A permeable screen possesses superior brightness, high contrast, wide view angle, excellent contrast to external light, superior clearness, and less reflection of external light image. The permeable screen includes a front dispersing panel and a lenticular lens sheet disposed at the incident side of the front dispersing panel and forming plural lens surfaces. The permeable screen also includes a Fresnel lens sheet disposed at the incident side of the lenticular lens sheet and forming plural lens surfaces. The front dispersing panel functions as a screen and also provides mechanical strength. The front dispersing panel also possesses parts for mounting and fixing the lenticular lens sheet and Fresnel lens sheet.
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申请公布号 |
US5914809(A) |
申请公布日期 |
1999.06.22 |
申请号 |
US19960683664 |
申请日期 |
1996.07.17 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MITANI, KATSUAKI;AOKI, SATOSHI;MUKAI, HITOSHI |
分类号 |
G02B3/08;G02B5/02;G03B21/56;G03B21/62;H04N5/74;(IPC1-7):G03B21/60 |
主分类号 |
G02B3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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