CN110519500A - Camera module, electronic equipment and image acquiring method - Google Patents
Camera module, electronic equipment and image acquiring method Download PDFInfo
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- CN110519500A CN110519500A CN201910873859.6A CN201910873859A CN110519500A CN 110519500 A CN110519500 A CN 110519500A CN 201910873859 A CN201910873859 A CN 201910873859A CN 110519500 A CN110519500 A CN 110519500A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Blocking Light For Cameras (AREA)
Abstract
This application discloses a kind of camera modules.Camera module includes image processing modules, liquid crystal adjustment portion and liquid crystal drive portion, and liquid crystal adjustment portion is oppositely arranged at each interval with image processing modules；Liquid crystal drive portion connects liquid crystal adjustment portion, and liquid crystal drive portion is used to control the deflection angle of the liquid crystal molecule in liquid crystal adjustment portion, to filter the veiling glare of special angle.Camera module provided by the present application is conducive to the intelligence of camera module by the deflection angle that liquid crystal drive portion automatically adjusts liquid crystal molecule in liquid crystal adjustment portion to filter the veiling glare of special angle.The image acquiring method of a kind of electronic equipment including above-mentioned camera module and electronic equipment is also disclosed in the application.
Description
Technical field
This application involves field of camera technology more particularly to a kind of camera modules, electronic equipment and image acquiring method.
Background technique
Polariscope is also polariscope, is a kind of filter.It is often fitted with polariscope in the imaging devices such as camera module, with
Nonmetallic surface is strong reflective when eliminating or weakening camera module imaging, so as to improve the image quality for being photographed object.But by
In the angle of camera module shooting and the difference of light reflection angle, need to change polariscopic position and angle, with shooting
To optimal image.In the prior art, it is often necessary to user hand turn moves polariscope, to adjust polariscopic position and angle,
It is unfavorable for the intelligence of camera module.
Summary of the invention
This application provides a kind of camera module, the liquid crystal adjustment portion of camera module moves deflection film without user hand turn,
Liquid crystal adjustment portion is driven by the liquid crystal drive portion inside camera module, to reach the veiling glare of filtering particular polarization, so that
Camera module is more intelligent.
In a first aspect, this application provides a kind of camera modules.Camera module includes image processing modules, liquid crystal adjustment portion
And liquid crystal drive portion, the liquid crystal adjustment portion are oppositely arranged at each interval with described image processing component, the liquid crystal drive
Portion connects the liquid crystal adjustment portion, and the liquid crystal drive portion is used to control the deflection angle of the liquid crystal molecule in the liquid crystal adjustment portion
Degree, to filter the veiling glare of special angle.
In one embodiment, the camera module further includes supporting part, camera lens and circuit board, and the supporting part is used for
Support the camera lens, described image processing group, the supporting part and the liquid crystal regulator site in the same side of the circuit board,
The liquid crystal drive portion is installed on the circuit board and the connection liquid crystal adjustment portion.
In one embodiment, described image processing component is imaging sensor, the liquid crystal adjustment portion and the figure
As sensor is oppositely arranged at each interval.
In one embodiment, the supporting part is disposed around the periphery of described image processing component, and the camera lens is located at
Side of the supporting part far from the circuit board.
In one embodiment, the liquid crystal adjustment portion includes the quarter-wave plate being cascading, liquid crystal layer
And linear polarizer, the quarter-wave plate are located at side of the liquid crystal layer far from described image processing component.
In one embodiment, the liquid crystal adjustment portion further includes being located at the first conduction of the liquid crystal layer two sides
Layer and the second conductive layer, between the quarter-wave plate and the liquid crystal layer, described second leads first conductive layer
Electric layer is between the liquid crystal layer and the linear polarizer, described in first conductive layer is electrically connected with second conductive layer
Liquid crystal drive portion.
In one embodiment, towards the long axis direction of the liquid crystal molecule of the quarter-wave plate in the liquid crystal layer
It is parallel with the optical axis direction of the quarter-wave plate.
In one embodiment, the liquid crystal drive portion is located at the periphery of described image processing component, and is located at described
The inside of supporting part.
In one embodiment, the camera module further includes connector, and the side wall of the supporting part is equipped with groove, institute
It states connector and is contained in the groove, and one end of the connector is electrically connected the liquid crystal adjustment portion, the other end is electrically connected institute
State liquid crystal drive portion.
In one embodiment, the camera module further includes optical filter, and the optical filter is fixed on the supporting part,
And it is located at the liquid crystal adjustment portion close to the side of the circuit board.
In one embodiment, the camera module further includes voice coil motor, and the voice coil motor is disposed around the mirror
The periphery of head, and it is fixed on side of the supporting part far from the circuit board.
Second aspect, the application also provide a kind of electronic equipment.Electronic equipment includes shell and images mould as described above
Group, the camera module are installed on the shell.
The third aspect, the application also provide the image acquiring method of a kind of electronic equipment.The electronic equipment includes camera shooting
Mould group, the camera module include liquid crystal layer, and described image acquisition methods include:
Request of taking pictures is responded, shows interface of taking pictures；
When getting the first instruction, the liquid crystal molecule controlled in the liquid crystal layer deflects, to take pictures described in change
The clarity of the image of interface display；Wherein, first instruction is the instruction or the electricity that the electronic equipment receives
Sub- equipment is taken pictures according to described in requests the instruction of formation；And
When getting photographing instruction, image is obtained.
In one embodiment, before receiving the first instruction, described image acquisition methods further include:
When determining that the electronic equipment is in the first photographing mode, first instruction is received；
Wherein, each described first the voltage for corresponding to the liquid crystal layer both ends is instructed, the interface of taking pictures is in the liquid
When the voltage difference at crystal layer both ends, show that the clarity of image is different.
In one embodiment, before receiving the first instruction, described image acquisition methods further include:
When determining that the electronic equipment is in the second photographing mode, the instruction that the camera module focusing is completed is received
Afterwards, electronic equipment issues first instruction；
Wherein, under second photographing mode, first instruction is for controlling the voltage at the liquid crystal layer both ends certainly
Dynamic variation, the interface of taking pictures show that the clarity of image is different in the voltage difference at the liquid crystal layer both ends.
In one embodiment, when getting photographing instruction, before obtaining image, described image acquisition methods are also
Include:
The electronic equipment takes pictures interface in the case where the voltage at the liquid crystal layer both ends changes automatically according to, the figure of display
The clarity of picture automatically determines the clearest image of the interface display of taking pictures.
In the embodiment of the present application, the liquid crystal adjustment portion of camera module moves deflection film without user hand turn, passes through camera shooting
The liquid crystal drive portion of module internal drives liquid crystal adjustment portion, to reach the veiling glare of filtering particular polarization, so that camera module
It is more intelligent.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the application, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained such as these attached drawings.
Fig. 1 is the structural schematic diagram of the electronic equipment provided in the embodiment of the present application；
Fig. 2 is the structural schematic diagram of the camera module of electronic equipment shown in Fig. 1 in the first embodiment；
Fig. 3 is the configuration schematic diagram of camera module shown in Fig. 2；
Fig. 4 is structural schematic diagram of the camera module shown in Fig. 2 in another angle；
Fig. 5 is schematic cross-section of the camera module shown in Fig. 4 along line A-A；
Fig. 6 is the enlarged diagram of part B structure shown in Fig. 2；
Fig. 7 is the schematic cross-section of liquid crystal adjustment portion shown in Fig. 2；
Fig. 8 is the schematic cross-section of the camera module of electronic equipment shown in Fig. 1 in a second embodiment；
Fig. 9 is the flow diagram of image acquiring method provided by the present application in the first embodiment；
Figure 10 is the flow diagram of image acquiring method provided by the present application in this second embodiment；
Figure 11 is the flow diagram of image acquiring method provided by the present application in the third embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is retouched
It states, it is clear that described embodiment is only a part of embodiment of the application, rather than whole embodiments.Not
In the case where conflict, the feature in presently filed embodiment and embodiment be can be combined with each other.Based on the reality in the application
Apply mode, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall in the protection scope of this application.
It is the structural schematic diagram of electronic equipment provided by the present application also referring to Fig. 1 and Fig. 2, Fig. 1；Fig. 2 is shown in Fig. 1
The structural schematic diagram of the camera module of electronic equipment in the first embodiment.The embodiment of the present application provides a kind of electronic equipment 100.
Electronic equipment 100 can be mobile phone, tablet computer, electronic reader, laptop, mobile unit, wearable device etc. and set
It is standby.In embodiments herein, described so that electronic equipment 100 is mobile phone as an example.
Electronic equipment 100 includes shell 101 and camera module 102.Camera module 102 is installed on shell 101.Camera module
102, which enable to electronic equipment 100 to realize, obtains the functions such as image or instant video call.
Camera module 102 includes circuit board 21, liquid crystal drive portion 22, liquid crystal adjustment portion 23 and camera lens 24.Liquid crystal drive portion
22 are fixedly installed in circuit board 21.Liquid crystal adjustment portion 23, which is electrically connected liquid crystal drive portion 22 and is spaced with circuit board 21, to be arranged.Camera lens
24 are located at side of the liquid crystal adjustment portion 23 far from circuit board 21.That is, liquid crystal drive portion 22 and liquid crystal adjustment portion 23 are respectively positioned on mirror
First 24 close to the side of circuit board 21.Liquid crystal drive portion 22 connects liquid crystal adjustment portion 23.It should be understood that liquid crystal drive portion 22 and
Liquid crystal adjustment portion 23 is respectively positioned on the inside of camera module 102.Liquid crystal drive portion 22 is used to control the liquid crystal in liquid crystal adjustment portion 23
The deflection angle of molecule, to filter the veiling glare of special angle.
Wherein, liquid crystal adjustment portion 23 is under the driving in liquid crystal drive portion 22, the angle of the liquid crystal molecule in liquid crystal adjustment portion 23
Degree deflects, and the light across liquid crystal adjustment portion 23 can be made to deflect, to filter the veiling glare of particular polarization, thus
Body surface is strong reflective when eliminating or weakening the imaging of camera module 102, so that camera module 102 obtains the figure being more clear
Picture.For example, camera module 102, when shooting sky, liquid crystal adjustment portion 23 can filter out under the driving in liquid crystal drive portion 22
Many polarised lights in diffusing reflection, thus weaken the intensity of the aerial light in day, day pneumatics is dark, and increase between blue sky and white clouds
Contrast so that camera module 102 obtains clearly image.Camera module 102 is when shooting older picture, liquid crystal adjustment portion
23 under the driving in liquid crystal drive portion 22, can eliminate reflective, enhanced contrast, so that camera module 102 obtains clearly
Image.
In the embodiment of the present application, liquid crystal adjustment portion 23 moves deflection film without user hand turn, by camera module 102
The liquid crystal drive portion 22 in portion drives liquid crystal adjustment portion 23, to reach the veiling glare of filtering particular polarization, so that camera module 102
It is more intelligent.
It further, is the configuration schematic diagram of camera module 102 shown in Fig. 2 also referring to Fig. 3 to Fig. 5, Fig. 3；
Fig. 4 is structural schematic diagram of the camera module 102 shown in Fig. 2 in another angle；Fig. 5 is camera module 102 shown in Fig. 4 along line A-A
The schematic cross-section at place.Camera module 102 further includes supporting part 25, image processing modules 26 and optical filter 27.Supporting part 25 is used
In support camera lens 24.Supporting part 25 is fixed on the side that circuit board 21 leans on portrait attachment 24.Image processing modules 26, supporting part 25 and
Liquid crystal adjustment portion 23 is located at the same side of circuit board 21.Liquid crystal drive portion 22 is installed on circuit board 21 and connection liquid crystal adjustment portion
23.Supporting part 25 is disposed around the periphery of image processing modules 26.
It should be understood that supporting part 25 is the hollow structure of both ends open.Camera lens 24 is located at supporting part 25 far from circuit board
21 side.Optical filter 27 is fixed on supporting part 25.Image processing modules 26 are located at side of the optical filter 27 far from camera lens 24.Liquid
Brilliant adjustment portion 23 is installed on supporting part 25, is oppositely arranged at each interval with image processing modules 26.Wherein, liquid crystal adjustment portion
23 between camera lens 24 and image processing modules 26.
Wherein, circuit board 21 includes hard circuit board 211 and the flexible circuit board 212 connecting with hard circuit board 211.It holds
Hard circuit board 211 is fixed in load portion 25, ensure that the stability of supporting part 25, improves the reliability of camera module 102.It is soft
Property circuit board 212 be used for other components for being electrically connected in electronic equipment 100.Since flexible circuit board 212 can bend deformation,
Enable circuit board 21 to be fixed to required place by bending deformation, is conducive to other remote devices in electronic equipment 100
Arrangement.
Wherein, image processing modules 26 are imaging sensor.Imaging sensor is the photoelectric conversion function using photoelectric device
Can, the light image on photosurface can be converted to the electric signal with light image at corresponding proportion relationship.Liquid crystal adjustment portion 23 and image
Sensor is oppositely arranged at each interval.Liquid crystal adjustment portion 23 is oppositely arranged at each interval with imaging sensor, so that passing through
The light of liquid crystal adjustment portion 23 can image on imaging sensor.
In the embodiment of the present application, after extraneous light passes through camera lens 24, after liquid crystal adjustment portion 23, finally in image
It is imaged on sensor.Since the liquid crystal molecule in liquid crystal adjustment portion 23 can deflect under the driving in liquid crystal drive portion, with
The veiling glare of filtering special angle improves the shooting of camera module 102 so that the imaging on imaging sensor is more clear
Quality.
Further, image processing modules 26 are fixedly installed in circuit board 21, and image processing modules 26 and optical filter 27
Interval setting.Image processing modules 26 are electrically connected with circuit board 21.It should be understood that image processing modules 26 are located at circuit board 21
Hard circuit board 211 on.Extraneous light drops into the photosurface of image processing modules 26 after camera lens 24, in image
It is imaged on processing component 26.Image processing modules 26 are a kind of equipment that optical imagery is converted into electric signal.Image procossing group
It is electrically connected between part 26 and circuit board 21, so that the electric signal that image processing modules 26 are formed is transferred to other by circuit board 21
On component.
In one embodiment, image processing modules 26 are pasted on circuit board 21 towards the one of camera lens 24 by adhesive layer
Side.In another embodiment, circuit board 21 is equipped with groove towards the side of camera lens 24.Image processing modules 26 are contained in recessed
Slot.In this embodiment, image processing modules 26 are contained in groove, so that the thickness of image processing modules 26 and circuit board 21
Thickness multiplexing, to reduce the thickness of camera module 102, is conducive to the miniaturization of camera module 102.
As shown in figure 5, in the embodiment of the present application, fitting in circuit board 21 towards camera lens 24 with image processing modules 26
It is described for surface.In other embodiments, circuit board 21 can also be equipped with towards the surface of camera lens 24 and accommodate image
The groove of processing component 26, to reduce the thickness of camera module 102.
Optical filter 27 is fixed on supporting part 25, and projection of the optical filter 27 in image processing modules 26 covers image procossing
The sensitive surface of component 26.It should be understood that optical filter 27 is between image processing modules 26 and camera lens 24.The external world passes through camera lens
24 light is irradiated in image processing modules 26 after optical filter 27.Optical filter 27 can be filtered through 24 light of camera lens
Part veiling glare, so that the photo that camera module 102 is shot is truer, to improve the quality of camera module 102.
Camera module 102 further includes voice coil motor 28.Voice coil motor 28 is disposed around the periphery of camera lens 24, and is fixed on carrying
Side of the portion 25 far from circuit board 21.Voice coil motor 28 is a kind of device for converting electrical energy into mechanical energy, and realizes linear type
And the movement of limited pivot angle.
In the embodiment of the present application, voice coil motor 28 can drive camera lens 24 to move relative to supporting part 25 along first direction,
To realize the focusing and/or stabilization of camera module 102, to improve the shooting quality of camera module 102.Wherein, first direction energy
Enough directions to be parallel to 24 optical axis of camera lens.
As shown in figure 5, optical filter 27 is located at liquid crystal adjustment portion 23 close to circuit board 21 in the application first embodiment
Side.That is, optical filter 27 is between circuit board 21 and liquid crystal adjustment portion 23.It should be understood that extraneous passes through camera lens 24
Light first pass through liquid crystal adjustment portion 23 after, be then passed through optical filter 27, finally image in image processing modules 26.
In the embodiment of the present application, optical filter 27 is located at liquid crystal adjustment portion 23 close to the side of circuit board 21, so that filtering
The distance between piece 27 and circuit board 21 are smaller, namely make the spacing between optical filter 27 and image processing modules 26 smaller,
Avoid optical filter 27 from causing the pollution to image processing modules 26 during the installation process, thus improve camera module 102 at
Image quality amount.
Further, referring to Figure 2 together and Fig. 6, Fig. 6 be part B structure shown in Fig. 2 enlarged diagram.Image mould
Group 102 further includes connector 29.The side wall of supporting part 25 is equipped with groove 251.Connector 29 is contained in groove 251.And connector
29 one end is electrically connected liquid crystal adjustment portion 23, and the other end is electrically connected liquid crystal drive portion 22.Wherein, connector 29 can be flexible electrical
Road plate, so that can adapt to the shape of groove 251 in installation connecting element 29.
It should be understood that liquid crystal drive portion 22 is located at the inside of 25 side wall of supporting part.In the application first embodiment, liquid
Brilliant adjustment portion 23 is located at the upper layer of optical filter 27, and in order to guarantee the integrality of optical filter 27, connector 29 can not pass through optical filter
27.It is equipped with groove 251 in the side wall of supporting part 25, is equipped in groove 251 for being electrically connected liquid crystal adjustment portion 23 and liquid crystal drive
The connector 29 in portion 22.
In the embodiment of the present application, the groove 251 that receiving connector 29 is opened up in the side of supporting part 25, avoids carrying
The bottom wall in portion 25 opens up groove 251 and influences the stability of supporting part 25, so that supporting part 25, optical filter 27 and liquid crystal adjustment portion
23 are stably mounted on circuit board 21, improve the reliability of camera module 102.
It further, is the schematic cross-section of liquid crystal adjustment portion shown in Fig. 3 23 also referring to Fig. 5 and Fig. 7, Fig. 7.Liquid crystal
Adjustment portion 23 includes quarter-wave plate 231, liquid crystal layer 233 and the linear polarizer 232 being cascading.Quarter-wave plate
231 are located at liquid crystal layer 233 towards the side of camera lens 24.It should be understood that quarter-wave plate 231 is located at camera lens 24 and linear polarization
Between mirror 232.Liquid crystal layer 233 is between quarter-wave plate 231 and linear polarizer 232.Quarter-wave plate 231 is located at mirror
Between first 24 and liquid crystal layer 233.It should be understood that extraneous light pass through after camera lens 24 successively by quarter-wave plate 231,
Liquid crystal layer 233 and linear polarizer 232.Liquid crystal drive portion 22 is used to control the deflection angle of the liquid crystal molecule in liquid crystal layer 233.Liquid
Liquid crystal molecule in crystal layer 233 can deflect any angle under the driving in liquid crystal drive portion 22.
Wherein, linear polarizer 232 can control the polarization direction of particular beam.Natural light is when passing through linear polarizer 232, thoroughly
The light crossed only is left the direction of vibration polarised light parallel with 232 polarization direction of linear polarizer, and direction of vibration and line in natural light
The vertical light in 232 polarization direction of polariscope will be absorbed.For example, when the light and linear polarizer 232 injected on linear polarizer 232
Polarization direction be mutually perpendicular to, then cannot pass through linear polarizer 232.
When the extraneous light for passing through camera lens 24 is after quarter-wave plate 231, the veiling glare in light becomes circularly polarized light,
Since the liquid crystal molecule in liquid crystal layer 233 deflects, so that part is identical with long axis of liquid crystal molecule direction in circularly polarized light
Polarised light gradually changes polarization direction by liquid crystal molecule, so that the direction of partial poolarized light is perpendicular to linear polarizer 232
Polarization direction can not pass through linear polarizer 232, so as to filter out the veiling glare in light, so that camera module 102 obtains clearly
Clear image.
Wherein, quarter-wave plate 231 is with certain thickness birefringent monocrystalline thin slice.In the embodiment of the present application,
Using quarter-wave plate 231, so that the intensity for passing through 231 light of quarter-wave plate is not lost, light biography is only changed
The direction broadcast, by the partial poolarized light (polarised light identical with long axis of liquid crystal molecule direction) of quarter-wave plate 231, with liquid
Brilliant molecule deflect to it is vertical with the polarization direction of linear polarizer 232, to be filtered.At this point, the polarised light filtered can
For veiling glare, so that camera module veiling glare when taking pictures is filtered, to improve the clear of the image of the acquisition of camera module 102
Degree.
In the embodiment of the present application, camera module 102 includes the liquid crystal adjustment portion between circuit board 21 and camera lens 24
23, liquid crystal adjustment portion 23 can adjust the deflection angle of liquid crystal molecule in liquid crystal layer 233 by liquid crystal drive portion 22, specific to filter
The veiling glare of polarization direction, so that camera module 102 obtains clearly image.
Further, liquid crystal adjustment portion 23 further includes the first conductive layer 234 and second for being located at 233 two sides of liquid crystal layer
Conductive layer 235.First conductive layer 234 is between quarter-wave plate 231 and liquid crystal layer 233.Second conductive layer 235 is located at liquid
Between crystal layer 233 and linear polarizer 232.First conductive layer 234 is electrically connected liquid crystal drive portion 22 with the second conductive layer 235.It can be with
Understand, the first conductive layer 234 and the second conductive layer 235 are located at the two sides of liquid crystal layer 233, and are located at quarter-wave plate
Between 231 and linear polarizer 232.
It should be understood that the first conductive layer 234 and the second conductive layer 235 form liquid crystal cell, filling liquid crystal layer in liquid crystal cell
233, the surrounding of liquid crystal layer 233 is sealed with sealing material, and quarter-wave plate 231 and line are posted in two outsides of liquid crystal cell respectively
Polariscope 232.
In the embodiment of the present application, the first conductive layer 234 and the second conductive layer 235 are located at the two sides of liquid crystal layer 233,
Liquid crystal drive portion 22 applies voltage between the first conductive layer 234 and the second conductive layer 235, is controlled by changing the power of voltage
The deflection angle of liquid crystal molecule in liquid crystal layer 233 processed, to filter the light in different polarization direction.
Further, when liquid crystal drive portion 22 is not powered on, towards the liquid crystal of quarter-wave plate 231 in liquid crystal layer 233
The long axis direction of molecule is parallel with the optical axis direction of quarter-wave plate 231.
In the embodiment of the present application, towards quarter-wave in the optical axis direction of quarter-wave plate 231 and liquid crystal layer 233
The long axis direction of the liquid crystal molecule of piece 231 is parallel, so that it is parallel with the long axis direction of liquid crystal molecule to pass through quarter-wave plate 231
Polarization luminous energy deflect with liquid crystal molecule so that pass through quarter-wave plate 231 some light be blocked
Linearly polarized light 232 can not be passed through.
Further, referring to Fig. 8, Fig. 8 be the camera module 102 of electronic equipment 100 shown in Fig. 1 in a second embodiment
Schematic cross-section.Most of technical solution that second embodiment is identical with the first embodiment repeats no more.
As shown in figure 8, optical filter 27 is located at liquid crystal adjustment portion 23 far from circuit board 21 in the application second embodiment
Side.That is, liquid crystal adjustment portion 23 is between circuit board 21 and optical filter 27.It should be understood that extraneous passes through camera lens 24
Light first pass through optical filter 27 after, be then passed through liquid crystal adjustment portion 23, finally image in image processing modules 26.
Connector 29 is located at the inside of supporting part 25, is led to by opening up in the inside of supporting part 25 for what connector 29 passed through
Hole, it will be able to realize being electrically connected between liquid crystal adjustment portion 23 and liquid crystal drive portion 22.At this point, the side wall of supporting part 25 is without opening
If groove 251, avoids ambient or extraneous dust is entered inside supporting part 25 by the groove 251 of side wall, and influence diagram
As the work of processing component 26.
In the embodiment of the present application, liquid crystal adjustment portion 23 is located at close to the side of circuit board 21, so that only need to be in supporting part
25 inside opens up the through-hole passed through for connector 29, avoids ambient or extraneous dust passes through the recessed of 25 side wall of supporting part
Slot 251 enters inside supporting part 25, and influences the problem of image processing modules 26 work, to ensure that camera module 102
The quality of imaging.
The application also provides the image acquiring method of a kind of electronic equipment.Electronic equipment includes camera module.Camera module
Including liquid crystal layer.The image acquiring method of electronic equipment provided by the present application is carried out below with reference to the camera module of front detailed
It introduces.In other embodiments, the image acquiring method of electronic equipment can be used for the camera shooting mould different from previous embodiment
Group.
Referring to Fig. 9, Fig. 9 is the flow diagram of image acquiring method provided by the present application in the first embodiment.
Image acquiring method includes:
S110: responding request of taking pictures, and shows interface of taking pictures.
The camera of camera module captures the light of reference object, the shooting pair that interface display of taking pictures camera captures
As.
S120: when getting the first instruction, the liquid crystal molecule controlled in liquid crystal layer deflects, to change interface of taking pictures
The clarity of the image of display.
In one embodiment, the first instruction can be the deflection angle of liquid crystal molecule in liquid crystal layer.Electronic equipment energy
The enough voltage by control liquid crystal layer both ends, so that the liquid crystal molecule in liquid crystal layer deflects.When the first instruction is deflection angle
When spending, electronic equipment is converted into the corresponding voltage in liquid crystal layer both ends according to deflection angle and is held with controlling the voltage at liquid crystal layer both ends
Row first instructs.
Wherein, the first instruction is that electronic equipment receives the instruction of user's sending or electronic equipment foundation takes pictures and requests shape
At instruction.In the different photographing mode of interface display of taking pictures, the touching originator of corresponding first instruction of different photographing modes.Example
Such as, when user selects the first photographing mode, the first instruction is the instruction that user issues.When user selects the second photographing mode
When, the first instruction is the instruction that electronic equipment issues.Wherein, the first photographing mode can be the mould of taking pictures of electronic equipment default
Formula.
In one embodiment, the first photographing mode is common photographing mode, and user can be according to interface of taking pictures at this time
Display regulation liquid crystal layer in liquid crystal molecule deflection angle.Second photographing mode is artificial intelligence (artificial
Intelligence, AI) photographing mode, electronic equipment can be according to the liquid crystal in certain procedures auto-control liquid crystal layer point at this time
The deflection angle of son.
S130: when getting photographing instruction, image is obtained.
In one embodiment, when the voltage at liquid crystal layer both ends is target voltage, photographing instruction is sent.Wherein, In
The clearest image of interface display of taking pictures when target voltage.The quantity of first instruction can be to be multiple, so that the liquid in liquid crystal layer
The deflection of multiple and different angles occurs for brilliant molecule.First instruction also can include multiple instruction, so that the liquid crystal point in liquid crystal layer
The deflection of multiple and different angles occurs for son.Liquid crystal molecule in liquid crystal layer is under different deflection angles, the figure for interface display of taking pictures
Image sharpness is different.It should be understood that in the embodiment of the present application, by comparing the liquid crystal molecule in liquid crystal layer in different deflections
Under angle, the clarity of the image for interface display of taking pictures, to obtain the clearest image for interface display of taking pictures.
It should be understood that the liquid crystal molecule in liquid crystal layer is deflected when changing the voltage at liquid crystal layer both ends, stop
The light vertical with the polarization direction of linear polarizer passes through linear polarizer, to change the clear of the image for interface display of taking pictures
Clear degree.When liquid crystal layer reaches target voltage, stopping the light across linear polarizer is veiling glare, the figure for interface display of taking pictures at this time
As clearest.
In the embodiment of the present application, electronic equipment can automatically control the electricity at liquid crystal layer both ends after receiving the first instruction
Pressure, to filter the veiling glare in certain vibration direction, obtains clearly image so that the liquid crystal molecule in liquid crystal layer deflects,
And user is not necessarily to manual rotatory polarization mirror, so that camera module is more intelligent.
Further, referring to Fig. 10, Figure 10 be image acquiring method provided by the present application in this second embodiment
Flow diagram.Mainly illustrate the difference of present embodiment and first embodiment, present embodiment and the first embodiment party below
The identical most of technology contents of formula repeat no more hereinafter.
Image acquiring method includes:
S210: responding request of taking pictures, and shows interface of taking pictures.
Wherein, specific steps included by S210 are refering to aforementioned S110.
S220: when determining that electronic equipment is in the first photographing mode, the first instruction that user issues is received.
Wherein, electronic equipment receives multiple first instructions that user issues.Each first instructs a corresponding liquid crystal layer both ends
Voltage.Interface take pictures in the voltage difference at liquid crystal layer both ends, the clarity of the image of display is different.First instruction can be
The icon for interface display of taking pictures.
S230: when getting the first instruction, the liquid crystal molecule controlled in liquid crystal layer deflects, to change interface of taking pictures
The clarity of the image of display.
Wherein, specific steps included by S230 are refering to aforementioned S120.
Wherein, the first instruction can include multiple instruction at this time, and under multiple instruction, the liquid crystal molecule in liquid crystal layer occurs not
With the deflection of angle, and the liquid crystal molecule in liquid crystal layer, under different deflection angles, the image definition for interface display of taking pictures is not
Together.Therefore, user can be according to the image definition for interface display of taking pictures, to determine interface display of taking pictures under a certain first instruction
Image it is clearest, at this moment first instruction under, the clearest image for interface display of taking pictures.
Wherein, for user according to interface is taken pictures under multiple first instructions, the clarity of the image of display determines interface of taking pictures
The corresponding target voltage of clearest image of display, and it is sent to electronic equipment, so that electronic equipment obtains clearest figure
Picture.
S240: when getting photographing instruction, image is obtained.
In the embodiment of the present application, under the first photographing mode (such as: common photographing mode), user can be according to reality
Scene issues multiple first instructions, with the liquid crystal molecule deflection angle in switchable liquid crystal layer, to obtain clearly image, nothing
It needs electronic equipment to obtain clearly image by calculating, saves the energy consumption of electronic equipment.
Further, please refer to Figure 11, Figure 11 be image acquiring method provided by the present application in the third embodiment
Flow diagram.Mainly illustrate the difference of present embodiment and aforementioned embodiments, present embodiment and aforementioned embodiment party below
The identical most of technology contents of formula repeat no more hereinafter.
Image acquiring method includes:
S310: responding request of taking pictures, and shows interface of taking pictures.
Wherein, specific steps included by S310 are refering to aforementioned S110.
S320: when determining that electronic equipment is in the second photographing mode, after receiving the instruction that camera module focusing is completed,
Issue the first instruction.
Wherein, the second photographing mode is different from the first photographing mode.Under the second photographing mode, the first instruction is for controlling
The voltage at liquid crystal layer both ends changes automatically.At this point, electronic equipment automatically controls the electricity at liquid crystal layer both ends after receiving the first instruction
Pressure, so that the deflection of different angle occurs for the liquid crystal molecule in liquid crystal layer.Liquid crystal molecule in liquid crystal layer is in different deflection angles
Under degree, the clarity for interface display image of taking pictures is different.That is, taking pictures interface in the voltage difference at liquid crystal layer both ends, show
The clarity of image is different.
S330: when receiving the first instruction, the liquid crystal molecule controlled in liquid crystal layer deflects, to change interface of taking pictures
The clarity of the image of display.
Wherein, specific steps included by S330 are refering to aforementioned S120.
S340: under electronic equipment changes automatically according to voltage of the interface at liquid crystal layer both ends of taking pictures, the image of display it is clear
Clear degree automatically determines the clearest image for interface display of taking pictures.
It should be understood that interface of taking pictures is completed to defocused, in automatic control liquid crystal layer liquid crystal under the second photographing mode
The deflection angle of molecule.Wherein, liquid crystal molecule often rotates by a certain angle and obtains the contrast that image calculates respective image, and judgement is anti-
The maximum frame of difference is the angle that liquid crystal molecule needs to rotate when image is optimal, i.e., when liquid crystal molecule rotates to this angle at this time
The clearest image for interface display of taking pictures.The Principle of Process for obtaining target voltage is similar to contrast formula focusing principle.
S350: when getting photographing instruction, image is obtained.
Under electronic equipment changes automatically according to voltage of the interface at liquid crystal layer both ends of taking pictures, the clarity of the image of display,
Automatically determine target voltage.
In the embodiment of the present application, under the second photographing mode (such as: artificial intelligence photographing mode), when interface of taking pictures is complete
It is automatic to send the first instruction after auto-focusing, so that electronic equipment is according to the liquid crystal in certain procedures auto-control liquid crystal layer
The deflection angle of molecule further improves the intelligence of camera module.
The application embodiment is described in detail above, principle of the specific case to the application used herein
And embodiment is expounded, the explanation of embodiment of above is merely used to help understand the present processes and its core is thought
Think；At the same time, for those skilled in the art, according to the thought of the application, in specific embodiments and applications
There will be changes, and to sum up, the contents of this specification should not be construed as limiting the present application.
Claims (16)
1. a kind of camera module, which is characterized in that including image processing modules, liquid crystal adjustment portion and liquid crystal drive portion, the liquid
Brilliant adjustment portion is oppositely arranged at each interval with described image processing component, and the liquid crystal drive portion connects the liquid crystal and adjusts
Portion, the liquid crystal drive portion is used to control the deflection angle of the liquid crystal molecule in the liquid crystal adjustment portion, to filter special angle
Veiling glare.
2. camera module as described in claim 1, which is characterized in that the camera module further includes supporting part, camera lens and electricity
Road plate, the supporting part are used to support the camera lens, described image processing group, the supporting part and the liquid crystal regulator site in
The same side of the circuit board, the liquid crystal drive portion are installed on the circuit board and the connection liquid crystal adjustment portion.
3. camera module as claimed in claim 2, which is characterized in that described image processing component is imaging sensor, described
Liquid crystal adjustment portion is oppositely arranged at each interval with described image sensor.
4. camera module as claimed in claim 2, which is characterized in that the supporting part is disposed around described image processing component
Periphery, the camera lens are located at side of the supporting part far from the circuit board.
5. the camera module as described in claim 2-4 is any, which is characterized in that the liquid crystal adjustment portion includes stacking gradually to set
Quarter-wave plate, liquid crystal layer and the linear polarizer set, the quarter-wave plate are located at the liquid crystal layer far from described image
The side of processing component.
6. camera module as claimed in claim 5, which is characterized in that the liquid crystal adjustment portion further includes being located at the liquid
The first conductive layer and the second conductive layer of crystal layer two sides, first conductive layer are located at the quarter-wave plate and the liquid crystal
Between layer, second conductive layer is positioned at the liquid crystal layer and the linear polarizer between, first conductive layer and described the
Two conductive layers are electrically connected the liquid crystal drive portion.
7. camera module as claimed in claim 5, which is characterized in that when the liquid crystal drive portion is not powered on, the liquid crystal
It is parallel with the optical axis direction of the quarter-wave plate towards the long axis direction of the liquid crystal molecule of the quarter-wave plate in layer.
8. camera module as claimed in claim 5, which is characterized in that the liquid crystal drive portion is located at described image processing component
Periphery, and be located at the supporting part inside.
9. camera module as claimed in claim 8, which is characterized in that the camera module further includes connector, the carrying
The side wall in portion is equipped with groove, and the connector is contained in the groove, and one end of the connector is electrically connected the liquid crystal tune
Section portion, the other end are electrically connected the liquid crystal drive portion.
10. camera module as claimed in claim 5, which is characterized in that the camera module further includes optical filter, the optical filtering
Piece is fixed on the supporting part, and is located at the liquid crystal adjustment portion close to the side of the circuit board.
11. camera module as claimed in claim 5, which is characterized in that the camera module further includes voice coil motor, the sound
Coil motor is disposed around the periphery of the camera lens, and is fixed on side of the supporting part far from the circuit board.
12. a kind of electronic equipment, which is characterized in that the camera shooting mould including shell and as described in any one of claim 1-11
Group, the camera module are installed on the shell.
13. the image acquiring method of a kind of electronic equipment, the electronic equipment includes camera module, and the camera module includes liquid
Crystal layer, which is characterized in that described image acquisition methods include:
Request of taking pictures is responded, shows interface of taking pictures；
When getting the first instruction, the liquid crystal molecule controlled in the liquid crystal layer deflects, with interface of taking pictures described in change
The clarity of the image of display；Wherein, first instruction is that the instruction that receives of the electronic equipment or the electronics are set
The instruction that standby request of taking pictures according to described in is formed；And
When getting photographing instruction, image is obtained.
14. image acquiring method as claimed in claim 13, which is characterized in that before receiving the first instruction, the figure
As acquisition methods further include:
When determining that the electronic equipment is in the first photographing mode, first instruction is received；
Wherein, electronic equipment receives multiple first instructions, each corresponding liquid crystal layer both ends of first instruction
Voltage, in the voltage difference at the liquid crystal layer both ends, the clarity of the image of display is different at the interface of taking pictures.
15. image acquiring method as claimed in claim 13, which is characterized in that before receiving the first instruction, the figure
As acquisition methods further include:
When determining that the electronic equipment is in the second photographing mode, after receiving the instruction that the camera module focusing is completed, hair
First instruction out；
Wherein, under second photographing mode, first instruction becomes automatically for controlling the voltage at the liquid crystal layer both ends
Change, the interface of taking pictures shows that the clarity of image is different in the voltage difference at the liquid crystal layer both ends.
16. image acquiring method as claimed in claim 15, which is characterized in that when getting photographing instruction, obtain figure
Before picture, described image acquisition methods further include:
According to the interface of taking pictures in the case where the voltage at the liquid crystal layer both ends changes automatically, the clarity of the image of display, automatically
The clearest image for interface display of taking pictures described in determination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873859.6A CN110519500A (en) | 2019-09-17 | 2019-09-17 | Camera module, electronic equipment and image acquiring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873859.6A CN110519500A (en) | 2019-09-17 | 2019-09-17 | Camera module, electronic equipment and image acquiring method |
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| CN201910873859.6A Pending CN110519500A (en) | 2019-09-17 | 2019-09-17 | Camera module, electronic equipment and image acquiring method |
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Application publication date: 20191129 |