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Camera module and terminal equipment

A camera module and component technology, which is applied in the field of terminal equipment and camera modules, and can solve problems such as limiting the focusing speed and small oscillation of the optical lens

Active Publication Date: 2022-07-19
NINGBO SUNNY OPOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the mechanical structure, the optical lens will inevitably have a small oscillation, which limits the improvement of the focusing speed

Method used

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  • Camera module and terminal equipment
  • Camera module and terminal equipment
  • Camera module and terminal equipment

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Embodiment Construction

[0049] The embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0050] Throughout the specification, unless specifically stated otherwise, terms used herein are to be understood as commonly used in the art. Therefore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification takes precedence.

[0051] It should be noted that the term "first\second\third" involved in the embodiments of the present invention is only to d...

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Abstract

The invention discloses a camera module and terminal equipment. The camera module comprises an optical lens, a lens carrier used for bearing the optical lens, a photosensitive assembly located on the image side of the optical lens along the optical axis of the optical lens, and a lens driving motor. The lens driving motor comprises a driving assembly and an electromagnetic damping assembly. The driving assembly comprises a first magnet part and an electrifiable coil and is used for driving the lens carrier and the optical lens carried by the lens carrier to move. The electromagnetic damping assembly comprises a stator and a mover capable of moving relative to the stator, and the stator and the mover are configured to provide electromagnetic damping force for preventing the lens carrier and the optical lens borne by the lens carrier from moving through relative movement of the stator and the mover. The lens carrier includes a coil mounting portion for fixing the energizable coil and a mover mounting portion for fixing the mover. According to the invention, the electrified coil and the rotor are installed on the lens carrier, so that rapid and stable focusing can be realized without increasing the driving burden of the motor, and the damping effect is stable and is not affected by the external environment.

Description

technical field [0001] The invention relates to the field of optical imaging, in particular to a camera module and a terminal device having the camera module. Background technique [0002] With the popularization of mobile electronic devices, technologies related to camera modules applied to mobile electronic devices (for capturing images, such as video or images) have been rapidly developed and advanced. And in recent years, camera modules have been widely used in many fields such as medical treatment, security, industrial production and so on. In order to meet more and more wide-ranging market demands, the characteristics of high pixel, high frame rate, and fast focusing of camera modules are irreversible development trends of existing camera modules. [0003] During the focusing process, the optical lens of the camera module moves under the drive of electromagnetic force, locks the code value of the clearest position by comparing the brightness difference between two adj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225H02K33/02H02K5/00
CPCH02K33/02H02K5/00H04N23/50H04N23/57H04N23/55H04N23/54
Inventor 王海涛王慧
Owner NINGBO SUNNY OPOTECH CO LTD