发明授权
- 专利标题: Image pickup lens, image pickup apparatus, and mobile terminal
- 专利标题(中): 摄像镜头,摄像装置和移动终端
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申请号: US13055000申请日: 2009-07-22
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公开(公告)号: US08228621B2公开(公告)日: 2012-07-24
- 发明人: Yasunari Fukuta
- 申请人: Yasunari Fukuta
- 申请人地址: JP Tokyo
- 专利权人: Konica Minolta Opto, Inc.
- 当前专利权人: Konica Minolta Opto, Inc.
- 当前专利权人地址: JP Tokyo
- 代理机构: Cozen O'Connor
- 优先权: JP2008-191971 20080725
- 国际申请: PCT/JP2009/063093 WO 20090722
- 国际公布: WO2010/010891 WO 20100128
- 主分类号: G02B9/34
- IPC分类号: G02B9/34 ; G02B3/02 ; G02B13/18
摘要:
An image pickup lens LN includes four blocks of lens blocks Ci (i=0 to 4). Lens substrate Li2 is different in material from lens portions Li1 and Li3. First lens block C1 has positive power, second lens block C2 has negative power, and fourth lens block C4 has a concave shape facing an image side in a paraxial region. At least one of lens portions with a concave shape in the paraxial region satisfies the conditional expression νn
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