TWI475880B - Camera module - Google Patents

Description

Camera module

The invention relates to a camera module.

With the rapid development of electronic products, the application range of digital cameras is becoming wider and wider. People often want digital cameras to have special shooting functions, such as macro shooting, wide-angle shooting, telephoto shooting, and so on. Accordingly, the industry uses various methods to manufacture digital cameras to meet the needs of different functional digital cameras. Please refer to Qureshi, F. et al., Distributed Smart Cameras, 2007. ICDC '07. First ACM/IEEE International Conference on Smart Camera Networks in Virtual Reality. Referring to FIG. 1, a camera module 100 having a wide-angle shooting function includes a substrate 11, a lens 12, a lens barrel 13, and an image sensor 14. The lens barrel 13 is disposed on the substrate 11 , and the lens 12 is disposed in the lens barrel 14 and forms a cavity 15 with the lens barrel 13 . The image sensor 14 is disposed on the substrate 11 and is received in the cavity 11 . Within body 15. The image captured by the lens 12 is transmitted to the image sensor 14 in the form of light. When the camera module 100 performs wide-angle shooting, the range D1 of the image that can be taken is small, that is, only a scene with less object side of the camera module 100 can be captured, and a wider range of scenes cannot be taken to satisfy the user. demand.

A camera module capable of taking a wide range of scenes will be described below by way of example.

A camera module includes: a substrate, a bent image sensor, a housing and at least two lens modules. The image sensor is configured to be disposed on the substrate, the image sensor includes at least two image sensing portions, the at least two image sensing portions are connected to each other at a predetermined angle, and the at least two image senses The connecting portion of the measuring portion is away from the substrate. The housing is disposed on a side of the substrate having an image sensor, and the housing is coupled to the substrate to form a cavity, and the image sensor is received in the cavity. The at least two lens modules are respectively disposed on the housing, and are respectively opposite to at least two image sensing portions of the image sensor, and the at least two image sensing portions are respectively configured to receive corresponding lens modules. The image taken.

A camera module includes: a substrate, an image sensor set, and at least two lens modules disposed on the housing. The image sensor group is disposed on the substrate, the image sensor group includes at least two image sensors, the at least two image sensors are connected to each other at a predetermined angle, and the at least two image sensing The connection portion of the device is away from the substrate. The housing is disposed on a side of the substrate having an image sensor, and the housing is coupled to the substrate to form a cavity, and the at least two image sensors are received in the cavity. The at least two lens modules are respectively opposite to the at least two image sensors, and the at least two image sensors are respectively configured to receive images captured by the corresponding lens modules.

Compared with the prior art, the camera module has at least two image sensing portions or image sensors connected to each other and at a predetermined angle, and is opposite to each image sensing portion or image sensor of the housing. A lens module is provided, and the lens module distributed in different positions of the housing will aggregate the image light of a large range of scenes in front of the lens module and directly transmit it to the image sensor or the image sensor group. Therefore, the camera module The group can take a wider range of scenery.

100, 200, 300‧‧‧ camera modules

11, 20, 30‧‧‧ substrates

12‧‧‧ lenses

13,231,331‧‧‧ lens barrel

14, 21, 31‧‧ ‧ image sensor

15, 2120, 3120‧‧‧ cavity

23, 33‧‧‧ lens module

211, 311‧‧‧ First Image Sensing Department

212, 312‧‧‧Second image sensing department

313‧‧‧ Third Image Sensing Department

2112‧‧‧Connecting Department

3112‧‧‧First connection

3113‧‧‧Second connection

22, 32‧‧‧ shell

22a, 32a‧‧‧ convex surface

241, 341‧‧‧ accommodating through holes

232, 332‧‧‧ optical lenses

231a‧‧‧ cavity

1 is a schematic cross-sectional view of a prior art camera module.

2 is a schematic cross-sectional view of a camera module according to a first embodiment of the present invention.

3 is a cross-sectional view of a camera module according to a second embodiment of the present invention.

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 2 , a camera module 200 according to a first embodiment of the present invention includes a substrate 20 , an image sensor 21 , a housing 22 , and two lens modules 23 .

The substrate 20 can be made of a material such as glass fiber, reinforced plastic or ceramic.

The image sensor 21 includes a first image sensing unit 211 and a second image sensing unit 212 connected thereto, and an angle between the first image sensing unit 211 and the second image sensing unit 212. For θ 1, the angle θ 1 has a predetermined value.

In the embodiment, the first image sensing unit 211 and the second image sensing unit 212 are respectively in a flat shape, and the first image sensing unit 211 and the second image of the image sensor 21 are respectively The sensing portion 212 forms an inverted V-shaped structure on the substrate 20, and the connecting portion 2112 of the first image sensing portion 211 and the second image sensing portion 212 of the image sensor 21 is away from the substrate 20 The angle θ 1 ranges from 120 degrees to 160 degrees.

The housing 22 is a convex curved structure including a convex curved surface 22a. The housing 22 is provided with two receiving through holes 241. The housing 22 is located on the side of the substrate 20 having the image sensor 21, and the housing 22 is connected to the substrate 20 to form a cavity 2120. The image sensor 21 is received in the cavity 2120.

Each of the lens modules 23 includes a lens barrel 231 and an optical lens 232. The lens barrel 231 includes a cavity 231a. The optical lens 232 is disposed in the cavity 231a. The two lens modules 23 are respectively disposed in the receiving through holes 241 of the housing 22 , that is, each of the receiving through holes 241 receives the lens module 23 .

The first image sensing unit 211 and the second image sensing unit 212 of the image sensor 21 are respectively disposed opposite to a lens module 23, and the images captured by the two lens modules 23 are directly transmitted to the light. Corresponding to the first image sensing unit 211 and the second image sensing unit 212.

The range of the scene that can be ingested by the lens module 23 opposite to the first image sensing unit 211 is D21. The scene range D21 covers the scene in front of the camera module 200, and is opposite to the second image sensing unit 212. The range of the scene that can be ingested by the lens module 23 is D22, and the scene range D22 covers the scene in front of the camera module 200, and the scene located directly in front of the camera module 200 is also within the coverage of D21 and D22, so The range of scenes that can be taken by the camera module 200 is the sum of D21 and D22.

Therefore, compared with the image range D1 acquired by the camera module 100 having only one lens device in the prior art, the camera module 200 can capture a large image range without rotating the lens module 23, so as to achieve super wide-angle panoramic imaging. .

The image light condensed by the lens module 23 can be directly transmitted to the image sensing portion of the image sensor 21 without providing a light guide such as an optical fiber between the lens module 23 and the image sensor 21 . The device simplifies the structure of the camera module 200.

In this embodiment, the first image sensing unit 211 and the second image sensing unit 212 of the image sensor 21 can also be an independent image sensor, that is, the first image sensor and a second image sensor, the first image sensor and the second image The sensors are connected to each other at a predetermined angle θ 1 on the substrate 20.

Referring to FIG. 3 , a camera module 300 according to a second embodiment of the present invention is substantially the same as the first embodiment. The camera module 300 includes a substrate 30 , an image sensor 31 , and a housing . 32 and three lens modules 33.

The difference between the embodiment and the first embodiment is that the image sensor 31 of the camera module 300 has a first image sensing unit 311, a second image sensing unit 312, and a third image sensing unit. 313.

The first image sensing unit 311 and the third image sensing unit 313 are disposed obliquely with respect to the substrate 30 , and the second image sensing unit 312 is disposed between the first image sensing unit 311 and the third image sensing unit 313 . One end of the first image sensing unit 311 and one end of the third image sensing unit 313 are connected to the substrate 30, and the other end of the first image sensing unit 311 is connected to the second image sensing unit 312. The first connecting portion 3112 is formed, and the other end of the third image sensing portion 313 is connected to the second image sensing portion 312 to form a second connecting portion 3113. The angle between the first image sensing unit 311 and the second image sensing unit 312 is θ 2 , and the angle between the second image sensing unit 312 and the third image sensing unit 313 is θ 3 . The included angles θ 2 and θ 3 have a predetermined value. In this embodiment, the first image sensing unit 311, the second image sensing unit 312, and the second image sensing unit 312 are both in a flat shape, and the second image sensing unit 312 is parallel to the substrate. 30. The first connecting portion 3112 and the second connecting portion 3113 are away from the substrate, and the angles θ 2 and θ 3 are in the range of 120 degrees to 160 degrees.

The housing 32 is provided with three receiving through holes 341, and each of the receiving through holes 341 is provided with a lens module 33.

The first image sensing unit 311, the second image sensing unit 312, and the first image sensor 31 The three image sensing units 313 are respectively disposed opposite to the one lens module 33. The images captured by the three lens modules 33 are directly transmitted to the first image sensing unit 311, the second image sensing unit 312 and the third image sensing unit 313 of the corresponding image sensor 31 in the form of light.

The range of the scene that can be ingested by the lens module 33 opposite to the first image sensing unit 31 is D31, and the scene range D31 covers the scene in front of the camera module 300; the other is opposite to the second image sensing unit 312. The scene range of the lens module 33 is D32, and the scene range D22 covers the scene directly in front of the camera module 300; the other lens module 33 opposite to the third image sensing unit 313 can take up the scene range D33. The scene range D22 covers the scene in front of the camera module 300, so the range of scenes that the camera module 300 can take is the sum of D31, D32 and D33.

Therefore, compared with the image range D1 acquired by the camera module 100 having only one lens device in the prior art, the camera module 300 can capture a larger image range without rotating the lens module 33, so as to achieve super wide-angle panoramic imaging. .

The image light collected by the lens module 33 can be directly transmitted to the image sensing portion of the image sensor 31 without providing a light guide such as an optical fiber between the lens module 33 and the image sensor 31. The device simplifies the structure of the camera module 300.

In this embodiment, the first image sensing unit 311, the second image sensing unit 312, and the third image sensing unit 313 are respectively an independent image sensor, that is, The first image sensor, the second image sensor, and the third image sensor. The second image sensor is disposed between the first image sensor and the third image sensor, and the angle between the first image sensor and the second image sensor is θ 2 , The angle between the second image sensor and the third image sensor is θ 3 , and the angles θ 2 and θ 3 have a predetermined value.

It is to be understood that the number of the image sensing portions and the lens modules of the image sensor of the camera module is not limited to three, and the arrangement of the image sensing portions of the image sensor is not limited to the above shape. The number and shape of the image sensing portions of the sensor vary according to the number of the lens modules and the set position. Of course, the outer surface of the casing is not limited to a convex curved surface, and may be other shapes.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

300‧‧‧ camera module

30‧‧‧Substrate

31‧‧‧Image Sensor

32‧‧‧ housing

33‧‧‧Lens module

311‧‧‧First Image Sensing Department

312‧‧‧Second Image Sensing Department

313‧‧‧ Third Image Sensing Department

3112‧‧‧First connection

3123‧‧‧Second connection

32a‧‧‧ convex surface

341‧‧‧ accommodating through holes

332‧‧‧Optical lenses

331‧‧‧Mirror tube

3120‧‧‧ cavity

Claims (6)

A camera module includes: a substrate; a bent image sensor disposed on the substrate, the image sensor includes at least two image sensing portions, and the at least two image sensing portions are mutually Connected to a predetermined angle, and the connecting portion of the at least two image sensing portions is away from the substrate; a housing disposed on a side of the substrate having an image sensor, and the housing is opposite to the substrate Connecting to form a cavity, the image sensor is received in the cavity; at least two lens modules disposed on the housing, the at least two lens modules respectively and at least two images of the image sensor The at least two image sensing portions are respectively configured to receive images captured by the corresponding lens modules. The camera module of claim 1, wherein the housing is a convex curved surface having a convex curved surface away from the image sensor. The camera module of claim 1, wherein the housing has at least two receiving through holes, and each of the receiving through holes is provided with a lens module. The camera module of claim 1, wherein the image sensing unit has a flat shape. The camera module of claim 1, wherein the image sensor comprises a first image sensing portion, a second image sensing portion, and a third image sensing portion, and the second image sensing portion The first image sensing unit and the second image sensing unit are connected to the substrate, and the second image sensing unit is coupled to the first image sensing unit and the third image sensing unit. a connecting portion of the first image sensing portion and a connecting portion of the second image sensing portion and the third image sensing portion are away from the substrate, the first image sensing portion and the second image sensing portion, the The second image sensing unit and the third image sensing unit respectively form a predetermined angle. The camera module of claim 5, wherein the second image sensing portion has a flat shape and is parallel to the substrate.