Optical image stabilization device, camera and portable electronic equipment

Abstract

The invention provides an optical image stabilization device, a camera and a portable electronic device. The optical image stabilization device includes a base, a first support member, a second support member, a first rotation shaft, a second rotation shaft, and a first suspension assembly And the second suspension assembly; the first support is arranged above the base, and the second support is arranged above the first support; the first suspension assembly is connected with the first support; the second suspension assembly is connected with the second support; A rotating shaft is arranged between the base and the first supporting member, and the first supporting member and the base can rotate relatively around the first rotating shaft; the second rotating shaft is arranged between the first supporting member and the second supporting member, and the second supporting member The component and the first supporting component can rotate relatively around the second rotation axis. The invention can improve the precision of anti-shake compensation and improve the image effect.

Description

technical field [0001] The invention relates to an optical image anti-shake device, a camera and a portable electronic device. Background technique [0002] Camera devices are widely used in portable electronic devices such as cameras, mobile phones, tablets, and notebooks. [0003] The purpose of Optical Image Stabilization (OIS) devices is to compensate for camera shake, ie the vibration of the camera device usually caused by the movement of the user's hand, which degrades the quality of the image captured by the image sensor. [0004] In the prior art, the OIS device drives the camera module to rotate around two imaginary rotation axes perpendicular to the optical axis of the lens through 4 actuators. Every 2 actuators form a group, and the 2 actuators of each group are respectively located at Both sides of an imaginary rotation axis respectively provide component forces along the optical axis of the lens opposite to the tilt direction. Since the four actuators act on th...

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Problems solved by technology

[0004] In the prior art, the OIS device drives the camera module to rotate around two imaginary rotation axes perpendicular to the optical axis of the lens through 4 actuators. Every 2 actuators form a group, and the 2 actuators of each group are respectively located at Both sides of an imaginary rotation axis respectively provide component forces along the optical axis of the lens opposite to the tilt direction. Since the four actuators act on the camera module at the same time, when rotating around an imaginary rotation axis, the brake will also drive The camera module rotates around another imaginary axis of rotation, that is, the rotation around the two imaginary axes of rotation is coupled, which is very unfavorable for accurate compensation of the tilt of the camera module

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