| 发明名称 | Optical device and image display device | ||
| 摘要 | An optical device includes: an optical section that includes a light-incident surface on which light is incident; a moving section that supports the optical section; a shaft section that swingably supports the moving section around a swing axis; a permanent magnet that is provided in the moving section; an air core coil that is provided so as to face the moving section, and generates an electric field acting on the permanent magnet; and a coil holding member that is provided on a side opposite to the permanent magnet of the air core coil, and holds the air core coil, wherein the coil holding member includes a window section, and wherein an edge section of the air core coil is viewable through the window section. | ||
| 申请公布号 | US9599811(B2) | 申请公布日期 | 2017.03.21 |
| 申请号 | US201514859759 | 申请日期 | 2015.09.21 |
| 申请人 | Seiko Epson Corporation | 发明人 | Mizoguchi Yasushi |
| 分类号 | G02B26/08;H04N9/31 | 主分类号 | G02B26/08 |
| 代理机构 | Harness, Dickey & Pierce, P.L.C. | 代理人 | Harness, Dickey & Pierce, P.L.C. |
| 主权项 | 1. An optical device comprising: an optical section that includes a light-incident surface on which light is incident; a moving section that supports the optical section; a shaft section that swingably supports the moving section around a swing axis; a permanent magnet that is provided in the moving section; an air core coil that is provided so as to face the moving section, and generates an electric field acting on the permanent magnet; and a coil holding member that is provided on a side opposite to the permanent magnet of the air core coil, and holds the air core coil, wherein the coil holding member includes a window section, and wherein an edge section of the air core coil is viewable through the window section. | ||
| 地址 | JP | ||