Depth of Field Camera Module

Abstract

An embodiment of the present application provides a depth-of-field camera module, including a camera lens, a TOF sensor, an RGB sensor, a laser emitter, and an optical path conversion structure. The laser transmitter is used to emit infrared laser to the camera lens. The camera lens is used to transmit the infrared laser to the target object; receive the reflected light reflected by the target object and transmit the reflected light to the optical path conversion structure. Reflected light includes infrared laser light reflected by the target object and ambient light. The optical path conversion structure is used to divide at least part of the reflected light into first target light and second target light; emit the first target light to the TOF sensor and emit the second target light to the RGB sensor. The TOF sensor is used to obtain the depth information of the target object from the infrared laser in the first target light. The RGB sensor is used to obtain the RGB information of the target object from the ambient light of the second target light. This application can avoid the problem of low accuracy of the depth-of-field camera module due to the dual-camera structure.

Description

technical field [0001] The embodiments of the present application relate to the field of camera lens technology, and in particular to a depth-of-field camera module. Background technique [0002] With the rapid development of Internet of Things technology, users have higher and higher demands for intelligent interaction. The depth-of-field camera module is widely used in biometrics, VR (Virtual Reality, virtual Reality) / AR (Augmented Reality, Augmented Reality), autonomous driving, drones, 3D (three-dimensional) projection and other fields. [0003] The existing depth-of-field camera module adopts a dual camera lens structure, one of which is an RGB (red, green, blue) camera equipped with an RGB sensor for generating an RGB image of the target object, and the other camera lens is a TOF (Time offlight, flight Time ranging method) The camera is equipped with a TOF sensor for collecting the depth information of the target object in three-dimensional space. In addition, a las...

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a depth-of-field camera module, which can avoid the problem that the accuracy of the depth-of-field camera module is low due to the incompatibility of the field of view and distortion caused by the dual-camera structure.

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