发明授权
US08724229B2 Decentered optical system, and image display apparatus and imaging apparatus using the decentered optical system
有权
离散光学系统，以及使用偏心光学系统的图像显示装置和成像装置
- 专利标题： Decentered optical system, and image display apparatus and imaging apparatus using the decentered optical system
- 专利标题（中）： 离散光学系统，以及使用偏心光学系统的图像显示装置和成像装置
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申请号： US13558597申请日： 2012-07-26
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公开(公告)号： US08724229B2公开(公告)日： 2014-05-13
- 发明人: Koichi Takahashi
- 申请人： Koichi Takahashi
- 申请人地址： JP Tokyo
- 专利权人： Olympus Corporation
- 当前专利权人： Olympus Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Kenyon & Kenyon LLP
- 优先权： JP2011-166217 20110729
- 主分类号： G02B13/10
- IPC分类号： G02B13/10 ; G02B27/01
摘要：
A decentered optical system includes a decentered prism which is located in opposition to the image display device, in which there are at least three optical surfaces mutually decentered with at least two thereof being in rotationally asymmetric shape, and which is filled inside with a medium having a refractive index of greater than 1, and a decentered lens which is interposed between the viewer's eyeball and the decentered prism, and is made up of mutually decentered two surfaces and filled inside with a medium having a refractive index of greater than 1, and in which on the image display device side with respect to an on-axis chief ray incident from the center of the image display device on the center of an exit pupil, there is a lens portion having positive power, and on an opposite side thereof, there is a lens portion having negative power.
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