| 发明名称 |
Light control film with reduced ghost images |
| 摘要 |
PCT No. PCT/US91/09724 Sec. 371 Date Dec. 20, 1991 Sec. 102(e) Date Dec. 20, 1991 PCT Filed Dec. 20, 1991.A louvered plastic film has louvers including central regions with a relatively high coefficients of extinction and outer regions with relatively low coefficients of extinction. Such a film provides a dramatic reduction in ghost images.
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| 申请公布号 |
US5254388(A) |
申请公布日期 |
1993.10.19 |
| 申请号 |
US19910820611 |
申请日期 |
1991.12.20 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
MELBY, JEFFREY J.;THEIRL, SCOTT G. |
| 分类号 |
G02B5/00;G02B27/00;H01J29/89;H04N5/65;(IPC1-7):B32B3/00 |
主分类号 |
G02B5/00 |
| 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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