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Lens driving device and camera shooting module

A technology of a lens driving device and a driving module, applied in the field of camera application, can solve the problems of difficulty in thinning, mutual interference, complicated structure of a voice coil motor, etc.

Pending Publication Date: 2018-12-21
KUNSHAN LIANTAO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the voice coil motor is complex, and it is difficult to achieve thinning; at the same time, there are a large number of magnets in the voice coil motor, which is prone to mutual interference when multiple modules are used side by side.

Method used

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  • Lens driving device and camera shooting module
  • Lens driving device and camera shooting module
  • Lens driving device and camera shooting module

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Embodiment Construction

[0046] The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. The present invention can be fully understood by those skilled in the art without the description of these detailed parts. In order not to obscure the essence of the present invention, well-known methods, procedures, procedures, components and circuits have not been described in detail.

[0047] Additionally, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

[0048] Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

[0049] In the descr...

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Abstract

The invention discloses a lens driving device and a camera shooting module. A first driving module is connected with a first bracket and a second bracket, and a gap is formed between the first bracketand the second bracket; a driving line is connected with a third bracket and the second bracket; and an elastic part is arranged between the third bracket and the second bracket. By applying a driving signal to the first driving module and / or the driving line, the first driving module is controlled and / or the driving line is controlled to stretch for driving the first bracket and the second bracket to relatively move along an optical axis and / or controlling a distance between the third bracket and the second bracket. Therefore, accurate and coarse adjustment of displacement between the brackets can be achieved; the adjustment precision of the displacement between the brackets is improved; and the focusing precision of an optical lens group is improved.

Description

technical field [0001] The invention relates to the application field of cameras, in particular to a lens driving device and a camera module. Background technique [0002] In mobile devices, there is usually a camera module for taking pictures or recording videos. In addition to photosensitive elements (such as image sensors) for light sensing, the camera module also includes an optical lens group. In some high-end camera modules, the optical lens group can move parallel to or perpendicular to the light-receiving surface of the photosensitive element to counteract image shake caused by device shake or to perform autofocus. Traditional optical image stabilization systems or optical image stabilization systems are usually implemented by using a voice coil motor to drive the lens holder. However, the structure of the voice coil motor is complex, and it is difficult to achieve thinning; at the same time, there are a large number of magnets in the voice coil motor, which is pro...

Claims

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Application Information

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IPC IPC(8): G02B7/04G02B7/10G03B13/34H04N5/225G03B30/00
CPCG02B7/04G02B7/10G03B13/34H04N23/55
Inventor 李斌
Owner KUNSHAN LIANTAO ELECTRONICS CO LTD
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