CN108064350A - Optical lens, camera module and terminal - Google Patents
Optical lens, camera module and terminal Download PDFInfo
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- CN108064350A CN108064350A CN201680042724.XA CN201680042724A CN108064350A CN 108064350 A CN108064350 A CN 108064350A CN 201680042724 A CN201680042724 A CN 201680042724A CN 108064350 A CN108064350 A CN 108064350A
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- lens
- substrate
- conductive layer
- optical lens
- flexible
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/08—Anamorphotic objectives
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
A kind of optical lens (10), camera module (100) and terminal (200), including：The spaced transparent substrate of at least two through-thickness (11), it is set between two adjacent substrates (11) there are one flexible lens (13), the optical axis of flexible lens (13) is set along the thickness direction of substrate (11)；Transparent the first conductive layer (111) and the second conductive layer (113) are respectively arranged on the substrate (11) of flexible lens (13) both sides, the first conductive layer (111) is included in the multiple electrodes (17) being intervally arranged；Multiple electrodes (17) receive driving voltage respectively and mutually independent electric field (E) are generated between the first conductive layer (111) and the second conductive layer (113)；The electric field (E) that each electrode (17) generates acts on a transmission region of flexible lens (13), and corresponding curvature deformation is generated according to the variation of electric field (E) to trigger each transmission region.Optical lens (10) has the structure simplified, and affected by environment smaller, and stability is high.
Description
Technical field
The present invention relates to a kind of optical imaging field more particularly to optical lens, a kind of a kind of camera module and applications
The terminal of the camera module.
Background technology
At present, it is substantially all on the end products such as mobile phone, tablet computer and is integrated with camera module, is provided to the user
Easily image and video capture experience.Traditional camera module uses the side of optical lens group combination voice coil motor actuator
Formula moves optical lens eyeglass by mechanical-stretching, focal position is made to fall the imaging surface in imaging sensor, realizes shape library
Imaging.However, traditional focusing mode of optical lens group combination voice coil motor actuator makes the volume of camera module excessive, together
When voice coil motor is complicated and low-response, the optical zoom relatively difficult to achieve in the limited inner space of end product.
The content of the invention
In view of the above-mentioned problems in the prior art, the embodiment of the present invention provides a kind of optical lens, camera module
And terminal, to reduce the thickness of camera module, and promote the focusing response speed and reliability of camera module.
A kind of optical lens, including：
The spaced transparent substrate of at least two through-thickness, set between adjacent two substrates there are one
Flexible lens, the optical axis of the flexible lens are set along the thickness direction of the substrate；
Transparent the first conductive layer and the second conductive layer, institute are respectively arranged on the substrate of the flexible lens both sides
Stating the first conductive layer is included in the multiple electrodes being intervally arranged；
The multiple electrode receives driving voltage and generates phase between first conductive layer and second conductive layer
Mutually independent electric field；
The electric field action that each described electrode generates is in a transmission region of the flexible lens, to trigger each
The transmission region generates corresponding curvature deformation according to the variation of the electric field.
A kind of camera module, including imaging sensor and optical lens, the optical lens includes at least two along thickness
The spaced transparent substrate in direction is spent, is set between adjacent two substrates there are one flexible lens, it is described flexible saturating
The optical axis of mirror is set along the thickness direction of the substrate；
Transparent the first conductive layer and the second conductive layer, institute are respectively arranged on the substrate of the flexible lens both sides
Stating the first conductive layer is included in the multiple electrodes that are intervally arranged, and the multiple electrode receives driving voltage and conductive described first
Mutually independent electric field is generated between layer and second conductive layer；
Described image sensor is arranged on the substrate of described optical lens one end, and the optical lens is used in the electricity
Under the action of, curvature deformation is generated to carry out imaging focal length adjusting by the transmission region for triggering the flexible lens, and
The image of corresponding focal length is formed in described image sensor.
A kind of terminal, including camera module, the camera module includes imaging sensor and optical lens, the light
Learning camera lens includes the spaced transparent substrate of at least two through-thickness, and one is provided between adjacent two substrates
A flexible lens, the optical axis of the flexible lens are set along the thickness direction of the substrate；
Transparent the first conductive layer and the second conductive layer, institute are respectively arranged on the substrate of the flexible lens both sides
Stating the first conductive layer is included in the multiple electrodes that are intervally arranged, the multiple electrode receive driving voltage respectively and described first
Mutually independent electric field is generated between conductive layer and second conductive layer；
Described image sensor is arranged on the substrate of described optical lens one end, and the optical lens is used in the electricity
Under the action of, curvature deformation is generated to carry out imaging focal length adjusting by the transmission region for triggering the flexible lens, and
The image of corresponding focal length is formed in described image sensor.
The optical lens between the spaced transparent substrate of at least two through-thickness by setting at least one
A flexible lens, and the first transparent conductive layer and the second conduction are set on the substrate of each flexible lens both sides
Layer, and then generated mutually between first conductive layer and second conductive layer by the multiple electrode being intervally arranged
Independent electric field generates corresponding curvature change to trigger the transmission region of the flexible lens according to the variation of the electric field
Shape, so as to accurately realize the adjusting of imaging focal length, and can the effective focusing response speed of improving optical camera lens and reliable
Property.Simultaneously as without traditional voice coil motor brake, so as to effectively reduce the thickness of camera module and body
Product is conducive to further reduce the thickness of the terminal of the application camera module.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is the first structure schematic diagram of camera module provided in an embodiment of the present invention；
Fig. 2 is the second structure diagram of camera module provided in an embodiment of the present invention；
Fig. 3 is the 3rd structure diagram of camera module provided in an embodiment of the present invention；
Fig. 4 is the electric-field intensity distribution schematic diagram of camera module provided in an embodiment of the present invention；
Fig. 5 is the 4th structure diagram of camera module provided in an embodiment of the present invention；
Fig. 6 is the first structure schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 7 is the second structure diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Referring to Fig. 1, in an embodiment of the invention, a kind of camera module 100 is provided, including 10 He of optical lens
Imaging sensor 30, the optical lens 10 include：
The spaced transparent substrate 11 of at least two through-thickness is provided with one between adjacent two substrates
A flexible lens 13, the optical axis of the flexible lens 13 are set along the thickness direction of the substrate 11；
It is conductive that the first transparent conductive layer 111 and second is respectively arranged on the substrate of 13 both sides of flexible lens
Layer 113, first conductive layer 111 are included in the multiple electrodes 17 being intervally arranged；On substrate 11 with the first conductive layer 111
It is provided with lens actuator 15；
The lens actuator 15 is used to provide driving voltage respectively for the multiple electrode 17, and the multiple electrode 17 connects
It receives the driving voltage and generates mutually independent electric field between first conductive layer 111 and second conductive layer 113
E；
The transmission region that the electric field E that each described electrode 17 generates acts on the flexible lens 13 (is schemed not
Show), corresponding curvature deformation is generated according to the variation of the electric field E to trigger each described transmission region.
Described image sensor 30 is arranged on the substrate 11 of described 10 one end of optical lens, and the optical lens 10 is used for
Under the action of the electric field E, it is burnt to carry out imaging that curvature deformation is generated by the transmission region for triggering the flexible lens 13
Away from adjusting, and the image for corresponding to focal length is formed in described image sensor 30.
In the present embodiment, the lens actuator 15 is arranged at described in a manner that COG (Chip On Glass) is encapsulated
The same surface of 17 place substrate 11 of first conductive layer 111 and the multiple electrode.Described image sensor 30 is encapsulated with COG
Mode is arranged on the substrate 11 of described 10 one end of optical lens, and with first on the substrate 11 of described 10 one end of optical lens
Conductive layer 111, lens actuator 15 and multiple electrodes 17 are arranged at the same surface of the substrate 11.It is it is appreciated that described more
A electrode 17 can be formed directly on the surface of the substrate 11, alternatively, being formed at the substrate 11 by conductive film 115
On surface.
Described image sensor 30 can pass through flexible PCB (Flexible Printed with the lens actuator 15
Circuit, FPC) 50 be connected to using the camera module 100 terminal (such as smart mobile phone, tablet computer etc.) letter
Number processing module (not shown), the image that described image sensor is formed sends the signal processing module, the letter to
Number processing module can according to the quality control of described image lens actuator 15 adjusting be supplied to the multiple electrode 17
Driving voltage, so as to fulfill according to image quality come feedback control described in flexible lens 13 curvature deformed state.
In the present embodiment, the flexible lens 13 are by deformable piezoelectric material or electric field response high molecular polymerization logistics
Variant material is made.For example, the flexible lens can be but not limited to by conducting polymer (Conductive Polymer),
Carbon nanotubes, Silica hydrogel (Silicone), hydrogel (Hydrogel), polyvinyl alcohol gel, lead zirconate titanate, polyvinylidene fluoride
Materials such as (Polyvinylidene Fluoride) are made.First conductive layer 111 and second conductive layer 113 are distinguished
It is formed at by materials such as one or more pieces tin indium oxides, nano silver or metal grills by depositing operation on the substrate 11.Institute
It is rigid substrates to state at least two substrates 11.
Transparent conducting wire (not shown) is additionally provided on first conductive layer 111, the lens actuator 15 is logical
The conducting wire is crossed to be connected with electrode each described 17.In the present embodiment, the conducting wire passes through etching and multilayer
Interconnection process is formed on first conductive layer.The lens actuator 15 is used to provide in gradient for the multiple electrode 17
The driving voltage of variation, so as to drive the multiple electrode 17 first conductive layer 111 and second conductive layer 113 it
Between generate electric field strength and change in gradient and mutually independent multiple electric field E.Each electrode 17 generate electric field correspondence through
One transmission region of the flexible lens 13, so as to trigger curvature shape of the transmission region generation corresponding to the electric field strength
Become.To lead to it is appreciated that there are gaps, the flexible lens 13 between the flexible lens 13 and adjacent two substrates 11
It crosses the gap to separate with two adjacent substrates 11, the gap is used to carry for the curvature deformation of the flexible lens 13
For accommodating space.In addition, the optical lens 10 can also include side wall 19, the side wall 19 is around 10 base of optical lens
Plate 11 is set, the optical imagery space of closing to be collectively formed with 10 substrate 11 of optical lens.
Due to by the way that the lens actuator 15 is controlled to be supplied to the driving voltage of each electrode 17 can be accurate
The intensity of the electric field of each electrode 17 generation is controlled, so as to the driving changed in gradient according to the output of focus adjustment demand
Voltage gives the multiple electrode 17, and second conductive layer 113 is connected to reference voltage, so that first conductive layer
111 form current interruption with second conductive layer 113 at the position of the flexible lens 13, so as to conductive described first
Mutually independent electric field is generated between layer 111 and second conductive layer 113, by described in the mutually independent electric field triggering
Multiple transmission regions of flexible lens 13 generate the curvature deformation that size changes in gradient, final to realize to the flexible lens 13
The adjusting of the radius of curvature on surface.It is appreciated that the curvature deformation of the flexible lens 13 is not limited under convex mirror state
Radius of curvature is adjusted, and can also be that the radius of curvature under concave mirror state is adjusted.
Referring to Fig. 1, when the electric field strength between first conductive layer 111 and second conductive layer 113 is zero,
The configuration state of the optical lens 10.At this point, due to the effect of no electric field, the flexible lens 13 remain initial shape
State.Wherein, the flexible lens 13 of original state can be plane mirror or the lens under preset curvature radius.At this
In embodiment, the flexible lens 13 of original state are plane mirror, i.e. light is passing through the flexibility in the optical lens 10
When lens 13 are irradiated to the imaging surface of described image sensor 30, do not focus, the direction as shown in arrow L in Fig. 1.
Referring to Fig. 2, work as through the multiple electrode 17 in first conductive layer 111 and second conductive layer 113
Between generate independently of each other and change in gradient electric field (direction of an electric field be Fig. 2 in direction shown in arrow E) when, it is described it is flexible thoroughly
Corresponding curvature deformation is generated during the effect of electric field of the different transmission regions of mirror 13 because being subject to varying strength, it is final so that described
Flexible lens 13 are rendered as the lens state of Curvature varying.When light shines by the flexible lens 13 in the optical lens 10
When being mapped to the imaging surface of described image sensor 30, since the flexible lens 13 have generated curvature deformation, so as to real
Now focus, the direction as shown in arrow L in Fig. 2.
Referring to Fig. 3, in one embodiment, the multiple electrode 17 is intervally arranged in matrix form.If by described
Plane where one conductive layer 111 is denoted as X/Y plane, then between first conductive layer 111 and second conductive layer 113
The distribution of electric field E is as shown in Figure 4.In the present embodiment, by applying the positive electricity changed in gradient on the multiple electrode 17
Pressure, and second conductive layer 113 is connected to negative reference voltage Vcom, then it can be in first conductive layer 111 and institute
It states and the electric field E that intensity changes in gradient is generated between the second conductive layer 113, and then trigger the different light transmissions of the flexible lens 13
Corresponding curvature deformation is generated under the action of the electric field E that region changes in gradient in the intensity.
It is appreciated that by the way that the lens actuator 15 is controlled to be supplied to the driving voltage of each electrode 17
When, it can also feed back to realize auto-focusing by the imaging effect of imaging sensor 30.For example, according to described image sensor
30 imaging effect feeds back to finely tune the driving voltage for being supplied to each electrode 17, that is, finely tunes each transmission region pair
The electric field strength answered, so as to fulfill the automatic adjustment to the curvature deformation of transmission region each described, and then realization is automatic right
It is burnt.As an alternative embodiment, when adjusting the curvature deformation of each transmission region, adjacent two transmission regions
Between Curvature varying can be discontinuous, that is to say, that the multiple electrode 17 generate electric field under the action of, it is described
The surface of flexible lens 13 can be aspherical.
If it is appreciated that the optical lens 10 includes the substrate 11 of three or three or more, can will be located at described
It two flexible lens 13 corresponding first conductive layer 111, the lens actuator 15 at 10 both ends of optical lens and is intervally arranged more
A electrode 17 is respectively arranged on two substrates 11 at 10 both ends of optical lens.It is located at the optical lens described
In two substrates 11 at 10 both ends, the first conductive layer 111, lens actuator 15 on one of substrate 11 and it is intervally arranged
Multiple electrodes 17 are arranged at the substrate 11 opposite to each other in the one side of the flexible lens 13, and are set with described image sensor 30
In the same surface of the substrate 11.
Referring to Fig. 5, in an embodiment of the invention, a kind of camera module 100 ' is provided, including optical lens 10 '
With imaging sensor 30.The optical lens 10 ' includes：Through-thickness is alternatively arranged and transparent first substrate 101, second
103 and the 3rd substrate 105 of substrate, the first flexible lens are provided between the first substrate 101 and the second substrate 103
131, the second flexible lens 133 are provided between the second substrate 103 and the 3rd substrate 105, described first is flexible saturating
The optical axises of mirror 131 and second flexible lens 133 is along the first substrate 101,103 and the 3rd substrate 105 of second substrate
Thickness direction is set.
The surface of the first substrate 101 towards first flexible lens 131 is provided with the first conductive layer 111, interval
17 and first lens actuator 151 of multiple electrodes of arrangement, the second substrate 103 is towards first flexible lens 131
Surface is provided with the second conductive layer 113.First lens actuator 151 is used for as multiple electricity on the first substrate 101
Pole 17 provides driving voltage, to be produced by the multiple electrode 17 between the first substrate 101 and the second substrate 103
Raw mutually independent electric field E1.The electric field E1 that each described electrode 17 generates acts on the one of first flexible lens 131
A transmission region generates corresponding curvature deformation to trigger each described transmission region according to the variation of the electric field E1.
3rd substrate 105 is provided with the first conductive layer 111, interval backwards to the surface of second flexible lens 133
17 and second lens actuator 153 of multiple electrodes of arrangement, the second substrate 103 is towards second flexible lens 133
Surface is provided with the second conductive layer 113.Second lens actuator 153 is used for as multiple electricity on the 3rd substrate 105
Pole 17 provides driving voltage, to generate phase between the 3rd substrate 105 and second substrate 103 by the multiple electrode 17
Mutually independent electric field E2.The electric field E2 that each described electrode 17 generates acts on one of second flexible lens 133 thoroughly
Light region generates corresponding curvature defomation to trigger each described transmission region according to the variation of the electric field E2.
Described image sensor 30 is arranged at the 3rd substrate 105 backwards to the surface of second flexible lens 133, institute
Optical lens 10 ' is stated under the action of described electric field E1, E2, by triggering first flexible lens 131 and described the
The transmission region of two flexible lens 133 generates curvature deformation and carries out imaging focal length adjusting, and in described image sensor 30
Form the image of corresponding focal length.For example, the process of described image sensor 30 is reached through the optical lens 10 ' in light L
In, by adjusting the curvature deformation of first flexible lens 131 and second flexible lens 133, make first flexibility
Lens 131 and second flexible lens 133 are in different curvature defomation assembled states, so as to realize optical zoom.
It is appreciated that first substrate 101,103 and the 3rd substrate of second substrate of the optical lens 10 ' described in the present embodiment
105 is identical with the substrate 11 of optical lens 10 shown in Fig. 1 and Fig. 2, first flexible lens 131 and second flexible lens
133 is identical with flexible lens 13 shown in Fig. 1 and Fig. 2, first conductive layer 111, the second conductive layer 113, the driving of the first lens
The connection relation of device 151, the second lens actuator 153 and the multiple electrode 17 can also illustrated embodiment referring to Figures 1 and 2
In associated description, the arrangement rule and the electricity of the first substrate 101 and the multiple electrodes 17 on the 3rd substrate 103
The intensity distribution rule of field E1, E2 can also be with reference to the descriptions in Fig. 3 and embodiment illustrated in fig. 4, and details are not described herein again.
Also referring to Fig. 6 and Fig. 7, in an embodiment of the invention, a kind of terminal 200 is provided, including imaging head mould
Group 100, the camera module 100 include optical lens 10 and imaging sensor 30, and the optical lens 10 includes at least two
A spaced transparent substrate 11 of through-thickness is set between adjacent two substrates there are one flexible lens 13,
The optical axis of the flexible lens 13 is set along the thickness direction of the substrate 11；
It is conductive that the first transparent conductive layer 111 and second is respectively arranged on the substrate of 13 both sides of flexible lens
Layer 113, first conductive layer 111 are included in the multiple electrodes 17 being intervally arranged；On substrate 11 with the first conductive layer 111
It is provided with lens actuator 15；
The lens actuator 15 is used to provide driving voltage respectively for the multiple electrode 17, and the multiple electrode 17 connects
It receives the driving voltage and generates mutually independent electric field between first conductive layer 111 and second conductive layer 113
E；
The electric field E that each described electrode 17 generates acts on a transmission region of the flexible lens 13, with triggering
Each described transmission region generates corresponding curvature deformation according to the variation of the electric field E.
Described image sensor 30 is arranged on the substrate 11 of described 10 one end of optical lens, and the optical lens 10 is used for
Under the action of the electric field E, it is burnt to carry out imaging that curvature deformation is generated by the transmission region for triggering the flexible lens 13
Away from adjusting, and the image for corresponding to focal length is formed in described image sensor 30.Wherein, Fig. 6 show the flexible lens 13
Configuration state when not generating curvature deformed state, Fig. 7 show the flexible lens 13 after curvature deformation is generated
Configuration state.It is appreciated that after the flexible lens 13 generate curvature deformation, meeting when light passes through the optical lens 10
It is focused, so as in the image as forming corresponding focal length on sensor 30, as shown in Figure 7.
Wherein, the concrete structure of the camera module 100 and function are referred to Fig. 1 into embodiment illustrated in fig. 5
Description.The terminal 200, which can be but not limited to smart mobile phone, tablet computer etc., has the terminal of camera function.
The terminal further includes front shroud (or back shroud) 210, and the front shroud (or back shroud) 210 includes transparent take the photograph
As head assembly area 211, the camera module 100 is arranged at the inner surface of the front shroud (or back shroud) 210, and described
The optical axis of optical lens 10 and the center alignment of the camera assembly area 211.It it is appreciated that can also be in the camera
At least one surface of assembly area 211 sets optical anti-reflective film, for promoting the light transmission of the camera assembly area 211
Rate.In the present embodiment, the substrate 11 of the optical lens 10 towards 210 one side of the front shroud (or back shroud) can be direct
The front shroud (or back shroud) 210 is shared to realize, i.e., by the camera assembly area of the front shroud (or back shroud) 210
211 substrate 11 as described 10 one end of optical lens, so as to further reduce the thickness of the camera module 100.
The terminal further includes signal processing module 230, and the signal processing module 230 can be arranged at the terminal
On circuit board (PCB) 250, described image sensor 30 and the lens actuator 15 can by flexible PCB 50 with it is described
Signal processing module 230 is electrically connected.By the way that the lens actuator 15 is controlled to be supplied to the drive of each electrode 17
During dynamic voltage, it can also feed back to realize auto-focusing or optical zoom by the imaging effect of imaging sensor 30.For example,
The signal processing module 230 is fed back according to the imaging effect of described image sensor 30, controls each described lens driving
Device 15 finely tunes the driving voltage for being supplied to the corresponding the multiple electrode 17 of each flexible lens, that is, finely tunes each transparent area
The corresponding electric field strength in domain so as to fulfill the automatic adjustment to the curvature deformation of transmission region each described, and then is realized certainly
Dynamic focusing or optical zoom.
The optical lens 10,10 ' between the spaced transparent substrate 11 of at least two through-thickness by setting
At least one flexible lens 13 are put, and the first transparent conductive layer is set on the substrate of each 13 both sides of flexible lens
111 and second conductive layer 113, and then by the multiple electrode 17 being intervally arranged in first conductive layer 111 and described
Mutually independent electric field is generated between second conductive layer 113, to trigger the transmission region of the flexible lens 13 according to the electricity
Variation and generate corresponding curvature defomation, so as to accurately realize the adjusting of imaging focal length, and can effectively promote light
Learn the focusing response speed and reliability of camera lens.Simultaneously as without traditional voice coil motor brake, so as to have
Effect reduces the thickness and volume of camera module 100,100 ', is conducive to further reduce the terminal of the application camera module
200 thickness.
It is appreciated that the electrode of foregoing embodiments can also be formed directly on corresponding transparent substrate, without borrowing
Help the first foregoing conductive layer.That is, in such a case, it is possible to think that electrode is exactly a part for the first conductive layer,
That is the first conductive layer includes electrode.Correspondingly, the second conductive layer on relative position substrate still maintains constant, and foregoing
Second conductive layer of embodiment is identical, to be directed to the electric field that each electrode generates Independent adjustable.On the other hand, foregoing embodiments
The second conductive layer include a flood in continuously distributed conductive film, thus Independent adjustable can be generated jointly with corresponding electrode
Electric field.It is further appreciated that it is in electrode that is independent, being spaced apart that the second conductive layer, which can also include multiple, it is conductive with first
The multiple electrodes of layer correspond, and to generate more accurate electric field, promote the Partial controll ability to flexible lens.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention cannot being limited with this certainly
Scope, one of ordinary skill in the art will appreciate that realize all or part of flow of above-described embodiment, and according to right of the present invention
It is required that the equivalent variations made, still fall within and invent covered scope.
Claims (20)
1. a kind of optical lens, which is characterized in that including：
The spaced transparent substrate of at least two through-thickness, sets that there are one flexible between adjacent two substrates
Lens, the optical axis of the flexible lens are set along the thickness direction of the substrate；
It is respectively arranged with transparent the first conductive layer and the second conductive layer on the substrate of the flexible lens both sides, described
One conductive layer is included in the multiple electrodes being intervally arranged；
The multiple electrode receives driving voltage respectively and generates phase between first conductive layer and second conductive layer
Mutually independent electric field；
The electric field action that each described electrode generates is in a transmission region of the flexible lens, to trigger described in each
Transmission region generates corresponding curvature deformation according to the variation of the electric field.
2. optical lens as described in claim 1, which is characterized in that the multiple electrode is intervally arranged in matrix form.
3. optical lens as described in claim 1, which is characterized in that the flexible lens and two adjacent substrates it
Between there are gaps, the flexible lens to be separated by the gap and two adjacent substrates.
4. optical lens as described in claim 1, which is characterized in that first conductive layer is with second conductive layer in institute
State formation current interruption at the position of flexible lens.
5. optical lens as described in claim 1, which is characterized in that two adjacent substrates are rigid substrates.
6. optical lens as described in claim 1, which is characterized in that the electrode is formed directly into the surface of the substrate
On.
7. optical lens as described in claim 1, which is characterized in that the electrode is formed at the substrate by conductive film
On surface.
8. optical lens as described in claim 1, which is characterized in that the optical lens is further included arranged on conductive with first
Lens actuator on the substrate of layer, the lens actuator are located at the same surface of the substrate with first conductive layer
On.
9. such as claim 1 to 8 any one of them optical lens, which is characterized in that the optical lens further includes another soft
Property lens and another substrate, the substrate for being equipped with the second conductive layer be located at another flexible lens and the flexible lens it
Between, another flexible lens are located at another substrate and described are equipped between the substrate of the second conductive layer.
10. optical lens as claimed in claim 9, which is characterized in that another substrate is towards another flexible lens
Surface be equipped with the multiple electrodes that are intervally arranged.
11. optical lens as claimed in claim 10, which is characterized in that the substrate for being equipped with the second conductive layer with it is described
The opposite opposite side of second conductive layer is equipped with another second conductive layer.
12. such as claim 1 to 8 any one of them optical lens, which is characterized in that the flexible lens are by deformable pressure
Electric material or electric field response high molecular polymer rheological body material are made.
13. such as claim 1 to 8 any one of them optical lens, which is characterized in that first conductive layer and described second
Conductive layer is formed at the substrate by one or more pieces tin indium oxides, nano silver or metallic mesh material by depositing operation respectively
On.
14. a kind of camera module, which is characterized in that including imaging sensor and such as claim 1 to 13 any one of them
Optical lens, described image sensor are arranged on the substrate of described optical lens one end, and the optical lens is used for described
Under the action of electric field, curvature deformation is generated to carry out imaging focal length adjusting by the transmission region for triggering the flexible lens, and
The image of corresponding focal length is formed in described image sensor.
15. camera module as claimed in claim 10, which is characterized in that described image sensor is packaged in the optical frames
On the substrate at first end, and it is arranged at the multiple electrodes on the substrate of described optical lens one end the same table of the substrate
Face.
16. a kind of terminal, which is characterized in that including camera module, the camera module includes imaging sensor and optics
Camera lens, the optical lens include the spaced transparent substrate of at least two through-thickness, adjacent two substrates
Between set there are one flexible lens, the optical axis of the flexible lens is set along the thickness direction of the substrate；
It is respectively arranged with transparent the first conductive layer and the second conductive layer on the substrate of the flexible lens both sides, described
One conductive layer is included in the multiple electrodes that are intervally arranged, and the multiple electrode receives driving voltage and conductive described first respectively
Mutually independent electric field is generated between layer and second conductive layer；
Described image sensor is arranged on the substrate of described optical lens one end, and the optical lens is used in the electric field
Under effect, curvature deformation is generated by the transmission region for triggering the flexible lens to carry out imaging focal length adjusting, and described
The image of corresponding focal length is formed on imaging sensor.
17. terminal as claimed in claim 16, which is characterized in that the multiple electrode is intervally arranged in matrix form.
18. terminal as claimed in claim 16, which is characterized in that between the flexible lens and adjacent two substrates
There are gap, the flexible lens are separated by the gap and two adjacent substrates.
19. terminal as claimed in claim 16, which is characterized in that the terminal further includes front shroud and back shroud, before described
Cover board or the back shroud include transparent camera assembly area, and the camera module is arranged at the front shroud or described
The inner surface of back shroud, and the optical axis of the optical lens and the center alignment of the camera assembly area.
20. terminal as claimed in claim 16, which is characterized in that the optical lens is further included arranged on the first conductive layer
Substrate on lens actuator, the lens actuator and first conductive layer are located on the same surface of the substrate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/111708 WO2018112883A1 (en) | 2016-12-23 | 2016-12-23 | Optical lens, camera module and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108064350A true CN108064350A (en) | 2018-05-22 |
Family
ID=62137054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680042724.XA Withdrawn CN108064350A (en) | 2016-12-23 | 2016-12-23 | Optical lens, camera module and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108064350A (en) |
| WO (1) | WO2018112883A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108983487A (en) * | 2018-08-31 | 2018-12-11 | 厦门天马微电子有限公司 | A kind of liquid crystal display panel and display device |
| CN109031668A (en) * | 2018-09-18 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of virtual reality device and its focal length intelligent adjusting method |
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| CN109451231A (en) * | 2018-12-26 | 2019-03-08 | 苏州智华汽车电子有限公司 | A kind of novel focusing vehicle-mounted camera |
| CN110989056A (en) * | 2019-11-25 | 2020-04-10 | Oppo广东移动通信有限公司 | Extrusion liquid lens and lens module |
| WO2020107985A1 (en) * | 2018-11-26 | 2020-06-04 | Oppo广东移动通信有限公司 | Imaging module and electronic apparatus |
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| CN114556901A (en) * | 2020-10-09 | 2022-05-27 | 深圳市大疆创新科技有限公司 | Lens assembly and shooting equipment with same |
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| CN113132570B (en) * | 2019-12-31 | 2023-03-10 | 中芯集成电路（宁波）有限公司 | Imaging module and electronic equipment |
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| CN1704793A (en) * | 2004-06-01 | 2005-12-07 | 鸿富锦精密工业（深圳）有限公司 | Zoom lens module |
| CN101097264A (en) * | 2006-06-26 | 2008-01-02 | 叶哲良 | Lens with adjustable focal length |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108983487A (en) * | 2018-08-31 | 2018-12-11 | 厦门天马微电子有限公司 | A kind of liquid crystal display panel and display device |
| CN109031668A (en) * | 2018-09-18 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of virtual reality device and its focal length intelligent adjusting method |
| WO2020107996A1 (en) * | 2018-11-26 | 2020-06-04 | Oppo广东移动通信有限公司 | Imaging module and electronic device |
| CN109327580A (en) * | 2018-11-26 | 2019-02-12 | Oppo广东移动通信有限公司 | imaging module and electronic device |
| US11892749B2 (en) | 2018-11-26 | 2024-02-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Imaging module and electronic apparatus |
| WO2020107985A1 (en) * | 2018-11-26 | 2020-06-04 | Oppo广东移动通信有限公司 | Imaging module and electronic apparatus |
| CN109451231A (en) * | 2018-12-26 | 2019-03-08 | 苏州智华汽车电子有限公司 | A kind of novel focusing vehicle-mounted camera |
| CN109451231B (en) * | 2018-12-26 | 2023-09-12 | 苏州智华汽车电子有限公司 | Focusing vehicle-mounted camera |
| CN110989056A (en) * | 2019-11-25 | 2020-04-10 | Oppo广东移动通信有限公司 | Extrusion liquid lens and lens module |
| CN114556901A (en) * | 2020-10-09 | 2022-05-27 | 深圳市大疆创新科技有限公司 | Lens assembly and shooting equipment with same |
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| CN112505986B (en) * | 2020-12-11 | 2022-09-27 | 维沃移动通信有限公司 | Light filling lamp module and electronic equipment |
| CN113114989A (en) * | 2021-04-02 | 2021-07-13 | 东莞市威新电子科技有限公司 | Novel tall and erect indoor set mainboard of intercom ann |
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| CN115086518A (en) * | 2022-06-06 | 2022-09-20 | Oppo广东移动通信有限公司 | Camera and electronic device |
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| Publication number | Publication date |
|---|---|
| WO2018112883A1 (en) | 2018-06-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180522 |