发明名称 |
Optical filter |
摘要 |
An optical filter comprises a transparent support and a filter layer. The filter layer has an absorption maximum in the wavelength region of 560 to 620 nm. The absorption maximum has a half-width in the range of 5 to 50 nm. The optical filter properly absorbs undesired light component emitted from an image display apparatus (especially, a plasma display panel).
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申请公布号 |
US6532120(B1) |
申请公布日期 |
2003.03.11 |
申请号 |
US20010807882 |
申请日期 |
2001.04.20 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
HARADA TORU;YAMADA TSUKASA;SUZUKI RYUTA;YABUKI YOSHIHARU;NISHIGAKI JUNJI |
分类号 |
C09B23/02;G02B1/11;G02B5/22;H01J11/20;H01J11/44;(IPC1-7):G02B5/22 |
主分类号 |
C09B23/02 |
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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