基本信息:
- 专利标题： Lens driving device and camera module comprising same
- 申请号：US16655943 申请日：2019-10-17
- 公开(公告)号：USRE48667E1 公开(公告)日：2021-08-03
- 发明人： Sang Ok Park , Byung Wook Son , Seong Min Lee , Jun Taek Lee
- 申请人： LG INNOTEK CO., LTD.
- 申请人地址： KR Seoul
- 专利权人： LG INNOTEK CO., LTD.
- 当前专利权人： LG INNOTEK CO., LTD.
- 当前专利权人地址： KR Seoul
- 代理机构： Saliwanchik, Lloyd & Eisenschenk
- 优先权： KR10-2014-0026062 20140305,KR10-2014-0055364 20140509,KR10-2014-0108487 20140820
- 国际申请： PCT/KR2015/001825 WO 20150225
- 国际公布： WO2015/133759 WO 20150911
- 主分类号： G02B7/02
- IPC分类号： G02B7/02 ; G02B7/04 ; G02B7/08 ; G02B3/10 ; G02B5/00 ; H02K41/035 ; G03B3/10
摘要：
A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equal to or larger than the length of the second side surface in the optical axis direction.
IPC结构图谱:
| G | 物理 |
| --G02 | 光学 |
| ----G02B | 光学元件、系统或仪器 |
| ------G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
| --------G02B7/02 | .用于透镜 |