| 发明名称 | Optical apparatus and projection apparatus | ||
| 摘要 | Provided is an optical apparatus including a polarization separation element for separating an incident light beam into a first polarization component and a second polarization component and outputting the first polarization component and the second polarization component, a polarization conversion unit including a waveplate for converting one of the first polarization component and the second polarization component into the other polarization component, the waveplate being held to a holding metal plate, and a housing for holding the polarization separation element and the polarization conversion unit. | ||
| 申请公布号 | US8919962(B2) | 申请公布日期 | 2014.12.30 |
| 申请号 | US201213615915 | 申请日期 | 2012.09.14 |
| 申请人 | Sony Corporation | 发明人 | Aikoh Yoshihisa |
| 分类号 | G03B21/14;G03B21/20;G02B27/28 | 主分类号 | G03B21/14 |
| 代理机构 | Frommer Lawrence & Haug LLP | 代理人 | Frommer Lawrence & Haug LLP ;Frommer William S.;Emas Ellen Marcie |
| 主权项 | 1. An optical apparatus comprising: a polarization separation element for separating an incident light beam into a first polarization component and a second polarization component and outputting the first polarization component and the second polarization component; a polarization conversion unit including a waveplate for converting one of the first polarization component and the second polarization component into the other polarization component, the waveplate being held to a holding metal plate; and a housing for holding the polarization separation element and the polarization conversion unit, wherein the holding metal plate includes a window frame portion that forms an opening window on which light output from the polarization separation element is incident, and wherein the window frame portion includes a support portion facing a notch portion formed by cutting the window frame out, the waveplate being adhered to and supported by the support portion. | ||
| 地址 | Tokyo JP | ||