发明名称 |
Color filter disc and process of making the same |
摘要 |
A process for making a unitary color filter disc includes the steps of preparing a disc member having an annular surface, and providing a plurality of differently colored segments on the annular surface. Each of the colored segments is provided by partially masking the annular surface to expose a part of the annular surface and by directly depositing a coloring film on the exposed part of the annular surface.
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申请公布号 |
US7190536(B2) |
申请公布日期 |
2007.03.13 |
申请号 |
US20030738061 |
申请日期 |
2003.12.16 |
申请人 |
ASIA OPTICAL CO., INC. |
发明人 |
JIANG ZHOU;JIANG YU-TING;MAO CAI-JIN;YAN ZHENG-TAO |
分类号 |
G02B5/20;G02B5/22;G02B7/00;G03B21/00 |
主分类号 |
G02B5/20 |
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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