A kind of camera module and terminal
Technical field
The present invention relates to electronic technology field more particularly to a kind of camera modules and terminal.
Background technique
It improves with the development of science and technology, the communication technology is developed rapidly, at the same time the application of smart electronics product
Also it has been increased to a unprecedented height, mobile terminal increasingly becomes a part indispensable in people's life, such as
Smart phone, tablet computer etc..
While mobile terminal is popularized, the various functional requirements that user has mobile terminal are also higher and higher, such as
Audio playing function, shooting function and store function all have become the key point for influencing terminal usage experience.
Currently, single camera shooting function of mobile terminal can no longer meet the growing shooting demand of user, therefore double take the photograph function
It can come into being.However, to realize that double camera shooting functions, the prior art generally use two sets of mutually independent camera modules.
As shown in Figure 1, every set camera module includes pick-up lens 1, focusing motor 2, infrared filter 3, image biography
Sensor 4 and wiring board 5;Wherein, camera lens 1 is installed in focusing motor 2, and camera lens 1, infrared filter 3, image sensor 4
It is linearly sequentially distributed with wiring board 5.As shown in Fig. 2, the light transmission route of the camera module is straight line, light is along straight line
Successively pass through pick-up lens 1, infrared filter 3 and image sensor 4.
In the implementation of above-mentioned double camera shooting functions, due to single camera module can only realize it is unidirectional take pictures/image,
Therefore it needs to assemble two sets of single camera modules shown in FIG. 1 in the terminal, can not only expend higher element cost,
And biggish installation space can be occupied, cause higher installation cost;In addition, two must be opened simultaneously when realizing two-way shooting
Camera module is covered, the device in every set camera module can work normally, and cause power consumption larger.Therefore, it is necessary to provide
A kind of effective solution.
Summary of the invention
The purpose of the present invention is to provide a kind of camera module and terminals, overcome element existing for existing camera module
It is at high cost, occupy larger installation space and the high defect of power consumption.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of camera module, including pick-up lens, image sensor and wiring board;The camera module further includes
One reflecting assembly and the second reflecting assembly;
The pick-up lens includes the first camera lens and the second camera lens being arranged along same optical axis according to default spacing;
The image sensor is located at the lower position of the first camera lens and the second camera lens, and the image sensor is photosensitive
Face is perpendicular to the first camera lens/second camera lens mirror surface;
First reflecting assembly and the second reflecting assembly are assembled between the first camera lens and the second camera lens, and are located at shadow
As the top position of sensor;First reflecting assembly, for the optical signal of first camera lens to be reflexed to image sensing
First photosensitive region of the photosurface of device;Second reflecting assembly, for the optical signal of second camera lens to be reflexed to shadow
As the second photosensitive region of the photosurface of sensor;
The image sensor will be described for the optical signal of first photosensitive region to be converted to the first electric signal
The optical signal of second photosensitive region is converted to the second electric signal;
The wiring board is electrically connected with the image sensor, for exporting the first entering light according to first electric signal
The shooting image/video in direction exports the shooting image/video in the second entering light direction according to second electric signal.
Optionally, light blocking partition is additionally provided between first camera lens and the second camera lens, including the first opposite light blocking face
With the second light blocking face;
First camera lens, the reflecting surface of the first reflecting assembly, the first light blocking face of light blocking partition and image sensor
First photosensitive region of photosurface, which successively encloses, to be set to form the first optical signal transmission space;
Second camera lens, the reflecting surface of the second reflecting assembly, the second light blocking face of light blocking partition and image sensor
Second photosensitive region of photosurface, which successively encloses, to be set to form the second optical signal transmission space.
Optionally, the light blocking partition is dumb light plastic plate.
Optionally, first reflecting assembly, it is photosensitive with the first of first camera lens and the photosurface of image sensor
Region is in 45 degree of angles respectively;Second reflecting assembly, second with second camera lens and the photosurface of image sensor
Photosensitive region is in 45 degree of angles respectively.
Optionally, first reflecting assembly and the second reflecting assembly, including reflective mirror or reflective membrane.
Optionally, first reflecting assembly and the second reflecting assembly, including planar structure or curved-surface structure.
Optionally, the camera module further include: for driving the first focusing motor of first lens focusing, with
And the second focusing motor for driving second lens focusing.
Optionally, the photosurface upper layer of the image sensor is additionally provided with infrared fileter.
A kind of terminal, which is characterized in that the terminal includes any camera module as above.
Optionally, the terminal includes smart phone, laptop, desktop computer, tablet computer, personal digital assistant
Or monitoring device.
Compared with prior art, the embodiment of the present invention has the advantages that
The camera module of the embodiment of the present invention is realized using light emission principle, is integrated two-sided camera lens in one, is led to
After crossing reflection subassembly realization light reflection, photoelectric conversion processing is carried out using the same image sensor, to reduce element
Use, reduce element cost, save installation space, power consumption can also be effectively reduced when carrying out double take the photograph.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the topology view of camera module in the prior art.
Fig. 2 is the light transmission route schematic diagram of camera module shown in Fig. 1.
Fig. 3 is the light transmission route schematic diagram of camera module provided in an embodiment of the present invention.
Fig. 4 is the side view of the mobile phone provided in an embodiment of the present invention using camera module.
It illustrates:
Pick-up lens 1, focusing motor 2, infrared filter 3, image sensor 4, wiring board 5, the first camera lens 6, second
Camera lens 7, the first reflecting assembly 8, the second reflecting assembly 9, light blocking partition 10.
Specific embodiment
Based on causing in the prior art because using two sets of independent camera modules, element cost is high, occupies installation space
Big and high power consumption defect, the present invention will propose that a set of camera module can be achieved at the same time two-way shooting, both reduced element at
This, and save installation space, moreover it is possible to reduce power consumption.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
The embodiment of the invention provides a kind of camera module, which can be applied to smart phone, notebook
Computer, desktop computer, tablet computer, personal digital assistant (Personal Digital Assistant, PDA), monitoring device
Etc. the various end products with shooting function.
Referring to Fig. 3, the camera module includes pick-up lens, image sensor 4 and wiring board 5.
Pick-up lens therein is installed between subject and the photosurface of image sensor 4, is used to form subject
Optical imagery, i.e. optical signal.
Image sensor 4, also known as photosensitive element utilize the photoelectric converting function of photoelectric device, will connect on its photosurface
The optical signal received is converted to the electric signal with optical signal at corresponding relationship.
Wiring board 5 is electrically connected with image sensor 4, at the electric signal for being converted to image sensor 4
Reason, with realize camera module take pictures or recording function.
Specifically, pick-up lens includes the first camera lens 6 and the second camera lens 7 being arranged along same optical axis according to default spacing.
First camera lens 6 and the second camera lens 7 include two opposite faces, can be referred to as the first face and the second face, and first facing towards object
Surface side (i.e. subject side), second facing towards image planes side (i.e. 4 side of image sensor);Second face of the first camera lens 6 and the
Second face of two camera lenses 7 is oppositely arranged.
It is arranged along same optical axis in backwards to interval by the first camera lens 6 in this present embodiment and the second camera lens 7, therefore the first mirror
First 6 and second camera lens 7 entering light direction be opposite direction so that the first camera lens 6 can be used to form the quilt on the first entering light direction
The optical imagery of body is taken the photograph, and the second camera lens 7 can be used in the optical imagery for the subject to be formed on the second entering light direction.
Image sensor 4 is located at the bottom middle position of the first camera lens 6 and the second camera lens 7, and photosurface is parallel to first
The optical axis of 6/ second camera lens 7 of camera lens also is normal to the first face and the second face of 6/ second camera lens 7 of the first camera lens.
In addition, camera module further includes the first reflecting assembly 8 and the second reflecting assembly 9, the two is assembled on the first mirror
First 6 and second between camera lens 7 and are located at the top position of image sensor 4;Meanwhile first reflecting assembly 8 reflecting surface and
Second face of one camera lens 6 and the photosurface of image sensor 4 are each formed with acute angle (such as 45 degree), are used for the first camera lens 6
Optical signal reflex to the photosurface of image sensor 4;Second face of the reflecting surface of the second reflecting assembly 9 and the second camera lens 7 and
The photosurface of image sensor 4 is each formed with acute angle (such as 45 degree), for the optical signal of the second camera lens 7 to be reflexed to image
The photosurface of sensor 4.
Based on along same optical axis be in backwards to spaced first camera lens 6 and the second camera lens 7, and be set to two camera lenses it
Between the first reflecting assembly 8 and the second reflecting assembly 9, the optical signal of two camera lenses can be refracted to the same image sensing respectively
The photosurface of device 4 enables two camera lenses to share an image sensor 4, thus on the basis of realizing double camera shooting functions also
It can be reduced the usage quantity of image sensor 4, to reduce element cost and installation space simultaneously.
The material of first reflecting assembly 8 and the second reflecting assembly 9 is unlimited, can be reflective mirror, or reflective membrane, only
It can be realized reflecting effect;First reflecting assembly 8 and the second reflecting assembly 9 are also not limited to planar junction shown in Fig. 3
Structure, or other structures, such as curved-surface structure.
In order to avoid the optical signal of two camera lenses interferes with each other, the embodiment of the present invention is additionally provided with light blocking partition 10, is set to
Position between first camera lens 6 and the second camera lens 7, and the photosurface of image sensor 4 is divided into the first photosensitive region and
Two photosensitive regions.Specifically, light blocking partition 10, can be made, such as dumb light plastic plate, specifically not of arbitrarily lighttight material
Limitation.
The light blocking partition 10 setting so that the second face of the first camera lens 6, the reflecting surface of the first reflecting assembly 8, light blocking every
First photosensitive region of disconnected 10 the first light blocking face and the photosurface of image sensor 4, which successively encloses, to be set to form the first optical signal transmission
Space, so that the second face of the second camera lens 7, the reflecting surface of the second reflecting assembly 9, the second light blocking face of light blocking partition 10 and image
Second photosensitive region of the photosurface of sensor 4, which successively encloses, to be set to form the second optical signal transmission space.In this way, the light of two camera lenses
Signal respectively has independent transmission space, and so as to avoid influencing each other, the quality of shooting image/video is effectively ensured.
In practical applications, the camera module of the present embodiment may also include that first for driving the focusing of the first camera lens 6
Focusing motor, and the second focusing motor for driving the second camera lens 7 to focus.By focusing motor, camera lens may be implemented
The focusing of head promotes shooting effect.
In addition, the photosurface upper layer of image sensor 4, an also settable infrared filter 3, effectively to realize to infrared
The filtering of light guarantees colour imaging quality so as to effectively avoid the interference of infrared light.
To sum up, the course of work of above-mentioned camera module are as follows: after camera module is activated, image sensor 4 enters
Operating mode,
The optical signal that first camera lens 6 is formed is reflected by the first reflecting assembly 8, and reaches shadow after infrared filtering is handled
As the first photosensitive region of the photosurface of sensor 4, the optical signal in the first photosensitive region is converted to telecommunications by image sensor 4
Circuit board is sent to after number to be handled, circuit board exported after being handled the shooting image in the first entering light direction (such as front)/
Video;
The optical signal that second camera lens 7 is formed is reflected by the second reflecting assembly 9, and reaches shadow after infrared filtering is handled
As the second photosensitive region of the photosurface of sensor 4, the optical signal in the first photosensitive region is converted to telecommunications by image sensor 4
Circuit board is sent to after number to be handled, circuit board exported after being handled the shooting image in the second entering light direction (such as rear)/
Video.
Therefore, the camera module of the embodiment of the present invention is realized using light emission principle, integrates two-sided camera lens in one
Body after realizing light reflection by reflection subassembly, carries out photoelectric conversion processing using the same image sensor 4, to reduce
The use of element, reduces overall volume.
Correspondingly, the terminal includes at least one camera shooting as described above the embodiment of the invention also provides a kind of terminal
Head mould group, is specifically as follows smart phone, laptop, desktop computer, tablet computer, personal digital assistant (Personal
Digital Assistant, PDA), the various end products with shooting function such as monitoring device.
It takes the mobile phone as an example, as shown in figure 4, proactive and rear camera shooting function can be achieved at the same time after using above-mentioned camera module,
Since the camera module of the embodiment of the present invention reduces occupied space compared with traditional structure, thus mainboard face can be substantially reduced
Product, improves the screen accounting of mobile phone, additionally it is possible to power consumption, extending cell phone standby time be effectively reduced;It says from angle of assembling, can also be promoted
The double-sided symmetrical and planarization of handset shell.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.