CN108873239A - Optical system - Google Patents
Optical system Download PDFInfo
- Publication number
- CN108873239A CN108873239A CN201810428101.7A CN201810428101A CN108873239A CN 108873239 A CN108873239 A CN 108873239A CN 201810428101 A CN201810428101 A CN 201810428101A CN 108873239 A CN108873239 A CN 108873239A
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- CN
- China
- Prior art keywords
- optical system
- reflector element
- assembly
- driving
- reflected light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/02—Lateral adjustment of lens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/04—Vertical adjustment of lens; Rising fronts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Abstract
The embodiment of the present disclosure provides a kind of optical system, including a photosensory assembly, at least an optical mirror slip, a reflector element and one first driving assembly.Reflector element has a reflecting surface, and configuration reflects a reflected light to receive an incident light Bing, and reflected light injects photosensory assembly via optical mirror slip.First driving assembly is that configuration is moved with controlling reflector element along a first axis, so as to adjustment reflected light in the focal position on photosensory assembly.
Description
Technical field
The present invention relates to a kind of optical system more particularly to a kind of optical systems with optical anti-shake function.
Background technique
With the development of science and technology, many electronic devices (such as tablet computer or smartphone) all have photograph now
Or the function of video recording.By the setting of long focal length lens system, user can take the photo of different-effect, so that having focal length
Away from the electronic device of lens system also gradually liked by masses.
However, will cause electronic device thickness when needing for the longer camera lens of focal length to be set in aforementioned electronic
Increase, be unfavorable for the lightening of electronic device.Therefore it is usually that reflection subassembly is set in lens system, passes through reflection mode
Incident light is oriented on the sensing component in lens system.Configuration in this way, it is possible to reduce the thickness of electronic device.So
And when electronic device is shaken, the position that incident light arrives on sensing component may be displaced to outside a predetermined position, be led
Cause imaging caused by lens system unclear.
Therefore, how designed by the structure in lens system to generate blurred picture when lens system being avoided to be shaken
The problem of, it is worth discussion now and the project solved.
Summary of the invention
In view of this, the present invention proposes a kind of optical system with multiple driving assemblies, to solve the above problem.
Embodiment of the invention discloses a kind of optical systems, including a photosensory assembly, at least an optical mirror slip, a reflection
Unit and one first driving assembly.Reflector element has a reflecting surface, and configuration reflects a reflection to receive an incident light Bing
Light, reflected light inject photosensory assembly via optical mirror slip.First driving assembly is configuration to control reflector element along one first
Axial movement, so as to adjustment reflected light in the focal position on photosensory assembly.
According to some embodiments of the invention, reflector element and optical mirror slip are arranged along a first direction, incident light edge
A second direction inject reflector element, Bing and a third direction are perpendicular to first direction and second direction, wherein first axis
It is not parallel to third direction.According to some embodiments of the invention, a photosurface of the first direction substantially perpendicular to photosensory assembly.
According to some embodiments of the invention, reflecting surface has an arc structure.According to some embodiments of the invention, circular arc knot
The center of structure corresponds to the center of incident light.According to some embodiments of the invention, reflecting surface has Radius, radius substantially 100
To between 1000mm.According to some embodiments of the invention, reflecting surface also has a plane, and arc structure surrounds plane.According to
Some embodiments of the invention, arc structure are a convex configuration or a concave structure.
According to some embodiments of the invention, optical system also includes one second driving assembly, is configured to drive reflector element
Around one second axial rotation.According to some embodiments of the invention, optical system also includes a third driving assembly, is configured to drive
Reflector element is axially rotated around a third.
The present invention provides a kind of optical system with long-focus, is installed in electronic device to extract image.Optics
System can have a lens module, a reflecting module, a photosensory assembly and multiple driving assemblies.Wherein, reflecting module includes
Extraneous light can be reflexed to lens module by one reflector element, reflector element, be resent to photosensory assembly then to generate number
Word image.It is worth noting that, multiple driving assemblies can control reflector element along one when optical system is shaken
One moves axially, around the second axial direction and/or around third axial-rotation, to adjust focal position of the reflected light on photosensory assembly,
So as to achieving the purpose that optical anti-shake, Bing and the picture quality that photosensory assembly can be improved.
In certain embodiments, a reflecting surface of reflector element is plane, Bing and multiple the driving component can be controlled only
Reflector element is moved along first axis, can achieve the purpose that compensate focal position.In addition, in certain embodiments, reflection
The reflecting surface of unit can further include an arc structure.Design based on arc structure can further make the week of reflecting surface
The focal position for enclosing the light on be reflected into photosensory assembly is more accurate.
Middle disclosure will be explained below in additional features and benefits in the present invention, and part can be by clear in aftermentioned specification
Chu understands, or can be learnt by disclosed principle via practice.Features and benefits of the invention can be by following claims
In specifically noted instrument or device combination and realize and obtain.These and other features of the invention can be by aftermentioned theory
Bright book and claim and become more apparent upon or can be learnt by principle disclosed in this invention via practice.
Detailed description of the invention
Fig. 1 is the schematic diagram of the optical system being installed on a portable electronic devices of one embodiment of the invention.
Fig. 2 is the stereoscopic schematic diagram according to the optical system of the embodiment of Fig. 1 of the present invention.
Fig. 3 is the explosive view of the reflecting module of one embodiment of the invention.
Fig. 4 is the partial structure diagram according to the reflecting module of one embodiment of the invention.
Fig. 5 is the reflecting module according to one embodiment of the invention in the stereoscopic schematic diagram at another visual angle.
Fig. 6 is the reflecting module according to one embodiment of the invention in the partial structure diagram at another visual angle.
Fig. 7 A to Fig. 7 C is schematic diagram of the optical system of one embodiment of the invention when different conditions.
Fig. 8 is the schematic diagram according to a reflector element of another embodiment of the present invention.
Fig. 9 A to Fig. 9 C is schematic diagram of the optical system of another embodiment of the present invention when different conditions.
Figure 10 is the side schematic view of the reflector element of another embodiment of the present invention.
Appended drawing reference is as follows：
50 portable electronic devices
52 openings
100,100A optical system
200 lens modules
202 optical mirror slips
300 reflecting modules
302,302 ' reflector element
3021 reflectings surface
3022 reflectings surface
3023 reflectings surface
302A reflector element
302B reflector element
304 outer frameworks
3041 protrusions
306 first elastic parts
3061 center portions
3062 lateral sections
3063 lateral sections
308 optical module load-bearing parts
310 bearing seats
3101 first shells
3103 second shells
3105 drop-centers
3107 side walls
312 pedestals
3121 extensions
314 second elastic parts
400 photosensory assemblies
402 photosurfaces
Ax second is axial
Ay third is axial
The center C
The center C1
C2 lateral location
The first driving coil of CL11
The first driving coil of CL12
The first driving coil of CL13
The second driving coil of CL2
CL31 third driving coil
CL32 third driving coil
CS arc structure
The first driving assembly of DA1
The second driving assembly of DA2
DA3 third driving assembly
Fv electromagnetic driving force
Fy electromagnetic driving force
Fz electromagnetic driving force
IL incident light
IL1 incident light
IL2 incident light
The first magnet assembly of MG11
The first magnet assembly of MG12
The first magnet assembly of MG13
The second magnet assembly of MG2
MG31 third magnet assembly
MG32 third magnet assembly
The first position P1
The second position P2
P3 the third place
PS plane
RL reflected light
RL1 reflected light
RL2 reflected light
Specific embodiment
In order to which the objects, features and advantages of the embodiment of the present disclosure can be clearer and more comprehensible, special embodiment below, Bing cooperation
Appended diagram elaborates.Wherein, each component in embodiment is configured to purposes of discussion, and Bing is non-to limit disclosure reality
Apply example.And the part of drawing reference numeral repeats in embodiment, and to simplify the explanation, the non-association meant between different embodiments of Bing
Property.The direction term being previously mentioned in following embodiment, such as：Upper and lower, left and right, front or rear etc. are only with reference to attached drawings
Direction.Therefore, the direction term used is to be used to limit the embodiment of the present disclosure for illustrating that Bing is non-.
In addition, the term of relativity, such as " lower " or " bottom " and " higher " or " top " may be used in embodiment,
To describe relativeness of the component for another component of icon.It is appreciated that, if the device overturning of icon made
It turns upside down, then the component described in " lower " side will be as the component in " higher " side.
Here, the term of " about ", " about " is generally represented within the 20% of a given value or range, preferably 10% it
It is interior, and be more preferably within 5%.Given quantity is quantity about herein, implies that in the case where no certain illustrated, still may be used
The meaning of implicit " about ", " about ".
Referring to FIG. 1, Fig. 1 is the optical system being installed on a portable electronic devices 50 of one embodiment of the invention
100 schematic diagram.Portable electronic devices 50 can be any portable equipment or hand-held device, e.g. personal digital assistant
(PDA), smartphone (smartphone), tablet computer (tablet), mobile phone, action Internet device (Mobile
Internet Device, MID), laptop, vehicular computer, digital camera, digital media player, game station or
Any kind of mobile computing device, however, those skilled in the art should understand that Bing of the present invention is without being limited thereto.In this embodiment
In, optical system 100 can be a lens system with long-focus, can be supplied to the better shooting effect of user, wherein light
Line can enter in optical system 100 via opening 52, to generate one or more digital pictures.
Referring to FIG. 2, Fig. 2 is the stereoscopic schematic diagram according to the optical system 100 of the embodiment of Fig. 1 of the present invention.Such as Fig. 2 institute
Show, optical system 100 may include a lens module 200, a reflecting module 300 and a photosensory assembly 400.In addition, optical system
System 100 can include also a shell (not shown), be set in portable electronic devices 50 shown in FIG. 1, Bing and eyeglass mould
Block 200, reflecting module 300 and photosensory assembly 400 are set in the shell.Specifically, lens module 200, reflection
Module 300 and photosensory assembly 400 are arranged along a first direction.It for example, is along the Y direction arrangement in Fig. 2.Again
Person, as shown in Fig. 2, lens module 200 has an at least optical mirror slip (such as an optical mirror slip 202), Bing and reflecting module 300
With a reflector element 302 (a for example, reflecting mirror).Therefore, reflector element 302 and optical mirror slip 202 are equally along first
Direction arranges (such as along Y direction).
As shown in Figures 1 and 2, the incident light IL outside one is can to wear along a second direction (such as along Z-direction)
It crosses the opening 52 of portable electronic devices 50 and enters Bing in shell and inject reflector element 302.Wherein, a third direction (such as X-axis
Direction) it is perpendicular to first direction (Y direction) and second direction (Z-direction).In this embodiment, reflector element 302 can
With a reflecting surface 3021, configuration reflects a reflected light with the incident light IL, Bing that receive (Z-direction) incidence in a second direction
RL, then reflected light RL is incident upon lens module 200 along first direction (Y direction).Eyeglass in this embodiment, in Fig. 2
Module 200 only indicates an optical mirror slip 202, but not limited to this embodiment, such as lens module 200 may include multiple optical mirror slips
In the inner.When reflected light RL injects lens module 200, the optical mirror slip 202 of lens module 200 is configuration with by reflected light RL
It is oriented to photosensory assembly 400, Bing and photosensory assembly 400 can generate electronic signal after receiving reflected light RL is portable to be transferred to
One processor (not shown) of electronic device 50, and then can produce a digital picture.
Moreover, it is noted that as shown in Fig. 2, photosensory assembly 400 has a photosurface 402, Bing and aforementioned first party
To being to be substantially perpendicular to photosurface 402.That is, reflected light RL is also substantially perpendicular to photosurface 402.
Referring to FIG. 3, Fig. 3 is the explosive view of the reflecting module 300 of one embodiment of the invention.As shown, reflecting module
300 include a reflector element 302, an outer framework 304, one first elastic parts 306, an optical module load-bearing part 308, one carrying
Seat 310, one pedestal 312, multiple second elastic parts 314, one first driving assembly DA1, one second driving assembly DA2 and one
Third driving assembly DA3.Wherein, when portable electronic devices 50 are shaken, the first driving assembly DA1, the second driving group
A part DA2 and third driving assembly DA3 is configurable to drive reflector element 302 mobile or rotation, so that the reflected light in Fig. 2
RL can steadily be reflected into lens module 200 and photosensory assembly 400, to reach optical anti-shake (Optical Image
Stabilization purpose).Furthermore in this embodiment, the first elastic parts 306 can be a reed, have a central portion
Divide 3061, side rim portion 3062 and side rim portion 3063.Center portion 3061 is to be connected to lateral section 3062 and side
Rim portion 3063, Bing and center portion 3061 can be rotated relative to lateral section 3062 and lateral section 3063.
In this embodiment, bearing seat 310 includes a first shell 3101 and a second shell 3103, first shell
3101 are fixedly attached to second shell 3103, such as are fixed to one another using mucilage materials.Furthermore third driving assembly DA3
It may include two thirds driving coil CL31 and CL32, be set between first shell 3101 and second shell 3103.In addition,
As shown in figure 3, first shell 3101 has a drop-center 3105 and two side walls 3107, drop-center 3105 is formed at
Between two side walls 3107, Bing and drop-center 3105 are configurations to accommodate optical module load-bearing part 308 and the second driving group
Part DA2.
Fig. 3 and Fig. 4 are please referred to, Fig. 4 is the partial structure diagram according to the reflecting module 300 of one embodiment of the invention.
In this embodiment, reflector element 302 is an optical mirror, fixed by the center portion 3061 of the first elastic parts 306
Ground is connected on optical module load-bearing part 308, and lateral section 3062 and the lateral section 3063 of Bing and the first elastic parts 306 are
It is respectively fixedly connected in the two side walls 3107 of first shell 3101.Therefore, reflector element 302 and optical module load-bearing part
308 are suspended in the drop-center 3105 of first shell 3101 by the first elastic parts 306.As shown in figure 3, third drives
Component DA3 also includes a pair of of third magnet assembly MG31 and a pair of of third magnet assembly MG32.Two couples of third magnet assembly MG31
It with MG32 is respectively fixedly set on the two opposite sides of optical module load-bearing part 308.In addition, the second driving assembly DA2 can
It is to be set to drop-center 3105 comprising one second driving coil CL2 and the second magnet assembly MG2, the second driving coil CL2
An inner wall on, and the second magnet assembly MG2 be set on optical module load-bearing part 308 correspond to the second driving coil
The position of CL2.
Then, in this embodiment, outer framework 304 is sheathed in the first shell 3101 of bearing seat 310, Bing and outline border
Frame 304 can have there are four protrusion 3041, protrude along X-direction.Then, pedestal 312 can pass through four the second elastic parts
314 are connected to four protrusions 3041 (as shown in Figure 2) of outer framework 304.Furthermore as shown in figure 3, the first driving assembly DA1
It may include one first magnet assembly MG11, one first magnet assembly MG12, one first magnet assembly MG13, one first driving coil
CL11, one first driving coil CL12 and one first driving coil CL13.In this embodiment, as shown in figure 3, first is magnetic
Component MG11 is that Bing Bing and corresponds to the first magnetic towards pedestal 312 in the first shell 3101 for be fixedly arranged at bearing seat 310
The first driving coil CL11 of property component MG11 is set on pedestal 312.Furthermore the first magnet assembly MG12 and first is magnetic
Component MG13 is the two sides for being fixedly arranged at second shell 3103, Bing and the first driving coil CL12 and the first driving coil
CL13 is respectively arranged on two extensions 3121 of pedestal 312, towards corresponding first magnet assembly MG12 and first
Magnet assembly MG13.
As shown in Figure 2 and Figure 3, it is configured based on above-mentioned structure, the first driving assembly DA1 can control 310 band of bearing seat
Dynamic reflector element 302 is moved along a first axis, to adjust focal position of the reflected light RL on photosensory assembly 400.Citing
For, the first driving assembly DA1 can control bearing seat 310 to move along first axis, such as move along Y direction or along
Z-direction is mobile.But it is noted that first axis is not parallel to aforementioned third direction (X-direction).In addition, it is necessary to illustrate
, magnet assembly and driving coil in the first driving assembly DA1, the second driving assembly DA2 and third driving assembly DA3
Position embodiment without being limited thereto.For example, the position of magnet assembly and driving coil can be interchanged.Furthermore the first driving group
Stepping horse can also be used in the mode embodiment without being limited thereto that part DA1 drives bearing seat 310 mobile, such as the first driving assembly DA1
It reaches or the modes such as Piezoelectric Driving is realized.
Referring to FIG. 5, Fig. 5 is the reflecting module 300 according to one embodiment of the invention in the stereoscopic schematic diagram at another visual angle.
In order to clearly show that the first driving assembly DA1, pedestal 312 are to be represented by dotted lines.In this embodiment, the first magnet assembly MG11
Pole orientation be along Y direction, for example, the direction of the pole N of the first magnet assembly MG11 is directed towards Y direction, and S
The direction of pole is directed towards-Y direction.When the first driving coil CL11 is powered, the magnetic group of the first driving coil CL11 and first
An electromagnetic driving force Fy can be generated according to cold secondary law between part MG11, so as to driving reflector element 302 with 304 phase of outer framework
Pedestal 312 is moved along Y direction.Furthermore in this embodiment, the second elastic parts 314 has helicoidal structure, Bing
And when outer framework 304 is moved relative to pedestal 312 along Y direction, the second elastic parts 314 can be stretched or compressed.
In this embodiment, the pole orientation of the first magnet assembly MG12 and the first magnet assembly MG13 are along Z axis side
To.When the first driving coil CL12 and the first driving coil CL13 are powered, can respectively with the first magnet assembly MG12 and first
Magnet assembly MG13 generates two electromagnetic driving force Fz, and bearing seat 310 is driven to drive reflector element 302 relative to 312 edge of pedestal
Z-direction it is mobile.Therefore, according to the configuration of the first driving assembly DA1, reflector element 302 can be driven along Y direction or
Z-direction is mobile relative to pedestal 312.
Fig. 4 and Fig. 6 are please referred to, Fig. 6 is to tie according to the reflecting module 300 of one embodiment of the invention in the part at another visual angle
Structure schematic diagram.As shown in fig. 6, when the second driving coil CL2 in the second driving assembly DA2 is powered, the second driving coil CL2
Can with the second magnet assembly MG2 generate along Z-direction an electromagnetic driving force Fz, so as to drive optical module load-bearing part 308,
The center portion 3061 of reflector element 302 and the first elastic parts 306 around one second axial direction Ax relative to lateral section 3062 with
Lateral section 3063 rotates.This means, electromagnetic driving force Fz can make reflector element 302 around the second axial direction Ax relative to bearing seat 310
(Fig. 4) rotation.
Similarly, as shown in fig. 6, when third the driving coil CL31 and CL32 in third driving assembly DA3 are powered
(wherein the received size of current of third driving coil CL31 and CL32 institute identical but opposite in phase), third driving coil CL31
And CL32 can generate the electromagnetism drive of two opposite directions with third magnet assembly MG31 and third magnet assembly MG32 respectively
Power Fv, so as to drive the center portion 3061 of optical module load-bearing part 308, reflector element 302 and the first elastic parts 306 around
One third axial direction Ay is rotated relative to lateral section 3062 and lateral section 3063.This means, electromagnetic driving force Fv can make reflection single
Member 302 is rotated around third axial direction Ay relative to bearing seat 310 (Fig. 4).It is worth noting that, the direction of electromagnetic driving force Fv is vertical
Directly in the reflecting surface 3021 of reflector element 302, that is to say, that the direction of electromagnetic driving force Fv is parallel to the method for reflecting surface 3021
Vector.Furthermore the second axial direction Ax and third axial direction Ay are the directions for being not parallel to electromagnetic driving force Fv.For example, the second axis
It is the direction for being substantially perpendicular to electromagnetic driving force Fv to Ax and third axial direction Ay.
Fig. 7 A to Fig. 7 C is please referred to, Fig. 7 A to Fig. 7 C is the optical system 100 of one embodiment of the invention when different conditions
Schematic diagram.In fig. 7, optical system 100 is (such as be parallel to the horizontal plane) parallel with a reference planes, Bing and reflected light
RL is the center C (focal position) for reflexing to photosensory assembly 400.Then, as shown in Figure 7 B, Fig. 7 B indicates optical system
100 with respect to the horizontal plane rotate clockwise the schematic diagram after an angle.As shown in Figure 7 B, since optical system 100 is relative to water
One angle of Plane Rotation (such as having rotated 5 degree), therefore the position that reflected light RL is reflexed on photosensory assembly 400 can generate partially
It moves.As shown in Figure 7 B, reflected light RL can reflex to a first position P1 of photosensory assembly 400.
In order to compensate for reflected light RL in offset distance (namely center C and first position P1 on photosensory assembly 400
The distance between), the first driving assembly DA1 (Fig. 5) can drive reflector element 302 along arrow direction (- Y shown in Fig. 7 B
Axis direction) it is mobile, then reflector element 302 can be moved to the position of Fig. 7 C by the position of Fig. 7 B.Then, as seen in figure 7 c, instead
Penetrating light RL and reflexing to the position of photosensory assembly 400 can be recentered C by first position P1, therefore can reach the anti-hand of optics
The purpose of shake.
It is worth noting that, the reflecting surface 3021 of reflector element 302 is a flat surface in this embodiment, Bing and do not need
Rotary reflection unit 302 and only need to along-Y direction moves reflector element 302 can achieve the purpose that compensation.Furthermore pass through
The structure of the present embodiment configures, and the light for the reflected light RL being reflected on photosensory assembly 400 can still have good quality, so that
Obtaining photosensory assembly 400 can produce clearly image.
In this embodiment, when optical system 100 with respect to the horizontal plane rotates clockwise, the first driving assembly DA1 can
Drive reflector element 302 mobile towards-Y direction, can compensatory reflex light RL photosensory assembly 400 offset distance.It is similar
Ground, when the with respect to the horizontal plane rotation counterclockwise of optical system 100, the first driving assembly DA1 can drive reflector element 302 towards Y
Axis direction is mobile, can compensatory reflex light RL photosensory assembly 400 offset distance.In this embodiment, the first driving group
The distance that part DA1 drives reflector element 302 to compensate be can correspond to optical system 100 with respect to the horizontal plane between angle
Degree.For example, when optical system 100 with respect to the horizontal plane rotates clockwise 1 degree, the first driving assembly DA1 driving reflection
Unit 302 towards-Y direction it is 125 μm mobile after can achieve the purpose that compensate offset distance.
Referring to FIG. 8, Fig. 8 is the schematic diagram according to a reflector element 302' of another embodiment of the present invention.In this implementation
In example, reflector element 302' has a reflecting surface 3022, Bing and reflecting surface 3022 with arc structure.As shown in figure 8, compared to
The structure of the reflector element 302 of previous embodiment, the reflecting surface 3022 of this embodiment can increase reflected light RL and incident light IL
Between angle, such as the reflected light of different reflection angles can be generated behind two parallel beam incidents to reflecting surface 3022, because
This can further improve the effect of compensation.
Fig. 9 A to Fig. 9 C is please referred to, Fig. 9 A to Fig. 9 C is an optical system 100A of another embodiment of the present invention in different shapes
Schematic diagram when state.In this embodiment, optical system 100A includes a reflector element 302A, a reflection of reflector element 302A
Face 3023 has an arc structure, and the center of Bing and arc structure is the center of a corresponding incident light IL1.In addition, in this implementation
In example, the arc structure of reflecting surface 3023 is a convex configuration, is directed away from the direction bending of lens module 200, but is not limited to
This.For example, in other embodiments, the arc structure of reflecting surface 3023 can also be a concave structure, towards lens module
200 direction bending.Furthermore in this embodiment, arc structure can have Radius, this radius is about 100 to 1000mm
Between.
In figure 9 a, optical system 100A Bing is not affected by shaking and is parallel to the horizontal plane, Bing and an incident light IL1 and incident
Light IL2 is that reflector element 302A is incident upon along Z-direction.Then, reflected light RL1 and reflected light RL2 be reflex to respectively it is photosensitive
A center C1 and lateral location C2 for component 400.Then, as shown in Figure 9 B, Fig. 9 B indicate optical system 100A relative to
Horizontal plane rotates the schematic diagram after an angle counterclockwise.As shown in Figure 9 B, since optical system 100A with respect to the horizontal plane rotates
One angle (such as 5 degree of rotation), therefore the position that reflected light RL1 and reflected light RL2 are reflexed on photosensory assembly 400 can generate partially
It moves.As shown in Figure 9 B, reflected light RL1 and reflected light RL2 can reflex to a second position P2 and 1 for photosensory assembly 400 respectively
Three position P3.
In order to compensate for reflected light RL1 and reflected light RL2 in the offset distance on photosensory assembly 400, the first driving assembly DA1
(Fig. 5) can drive reflector element 302A mobile along arrow direction shown in figure (- Y direction), therefore reflector element 302A
The position of Fig. 9 C can be moved to by the position of Fig. 9 B.Then, as shown in Figure 9 C, reflected light RL1 reflexes to the position of photosensory assembly 400
Set can be recentered by the second position P2 C1, Bing and reflected light RL2 reflex to the position of photosensory assembly 400 can be by third position
It sets P3 and returns to lateral location C2, therefore can achieve the purpose that optical anti-shake.
Similarly, in this embodiment, when optical system 100A is with respect to the horizontal plane rotated clockwise, the first driving group
Part DA1 can drive reflector element 302A mobile towards Y direction, can compensatory reflex light RL1 and reflected light RL2 in photosensory assembly
400 offset distance.
Referring to FIG. 10, Figure 10 is the side schematic view of the reflector element 302B of another embodiment of the present invention.Such as Figure 10 institute
Show, a reflecting surface 3025 of reflector element 302B has a plane PS and arc structure a CS, Bing and arc structure CS is ring
Around plane PS.In this embodiment, arc structure CS has Radius, Bing and this radius is about 100 between 1000mm.This reality
The reflector element 302B for applying example is similar to reflector element 302A.
In the embodiment of Fig. 9 A and Figure 10, there is the design of arc structure based on reflecting surface, can further make to reflect
The focal position of light on the be reflected into photosensory assembly 400 in the periphery in face is more accurate.For example, can make anti-in Fig. 9 C
The compensation effect for penetrating light RL2 is more accurate.
Furthermore in disclosure other embodiments, in order to further improve compensation as a result, aforesaid plurality of driving assembly can
Further control reflector element is moved and is rotated simultaneously.For example, in certain embodiments, the first driving assembly
DA1 and the second driving assembly DA2 can control reflector element to move along Y direction and rotate around the second axial direction Ax, and then reach
The purpose of two axis compensation.In certain embodiments, the first driving assembly DA1 can control reflector element simultaneously along Y direction with
And Z-direction is mobile, to reach the purpose of two axis compensation.
In addition, in certain embodiments, the first driving assembly DA1 and the second driving assembly DA2 can control reflector element one
Rise moved along Y direction, moved along Z-direction, Bing and around the second axial direction Ax rotate, and then reach three axis compensate mesh
's.Furthermore in certain embodiments, the first driving assembly DA1, the second driving assembly DA2 and third driving assembly DA3 are controllable
Reflector element is moved along Y direction, is moved along Z-direction, is rotated Bing around the second axial direction Ax and is rotated around third axial direction Ay,
And then reach the purpose of four axis compensation.
In conclusion the present invention provides a kind of optical system with long-focus, it is installed in electronic device to extract
Image.Optical system can have a lens module 200, a reflecting module 300, a photosensory assembly 400 and multiple driving assemblies.
Wherein, reflecting module 300 includes a reflector element, and extraneous light can be reflexed to lens module 200 by reflector element, then again
Photosensory assembly 400 is sent to generate digital picture.It is worth noting that, when optical system is shaken, multiple driving groups
Part can control reflector element and move along a first axis, around the second axial direction and/or around third axial-rotation, to adjust reflection
Focal position of the light on photosensory assembly 400 Bing and can improve photosensory assembly 400 so as to achieving the purpose that optical anti-shake
Picture quality.
In certain embodiments, a reflecting surface of reflector element is plane, Bing and multiple the driving component can be controlled only
Reflector element is moved along first axis, can achieve the purpose that compensate focal position.In addition, in certain embodiments, reflection
The reflecting surface of unit can further include an arc structure.Design based on arc structure can further make the week of reflecting surface
The focal position for enclosing the light on be reflected into photosensory assembly 400 is more accurate.
Although embodiment of the disclosure and its advantage have been disclosed as above, it will be appreciated that those skilled in the art exist
Do not depart from the spirit and scope of the embodiment of the present disclosure, when can change, substitute with retouching.In addition, the guarantor of the embodiment of the present disclosure
Shield range Bing be not limited to technique in specification in the specific embodiment, machine, manufacture, material composition, device, method and
Step, those skilled in the art can understand existing or following the developed technique, machine, manufacture, object from present disclosure
Matter composition, device, method and step, as long as more or less the same function can be implemented in the embodiment here or obtain on the whole phase
It can all be used according to the disclosure with result.Therefore, the protection scope of the embodiment of the present disclosure includes above-mentioned technique, machine, manufacture, object
Matter composition, device, method and step.In addition, each claim constitutes an other embodiment, and the protection of the embodiment of the present disclosure
Range also includes the combination of each claim and embodiment.
Claims (10)
1. a kind of optical system, including：
One photosensory assembly；
An at least optical mirror slip；
One reflector element has a reflecting surface, and configuration reflects a reflected light to receive an incident light Bing, and the reflected light is via this
Optical mirror slip injects the photosensory assembly；And
One first driving assembly, configuration moved with controlling the reflector element along a first axis, so as to adjust the reflected light in
A focal position on the photosensory assembly.
2. optical system as described in claim 1, wherein the reflector element and the optical mirror slip are arranged along a first direction
Column, the incident light along a second direction inject the reflector element, Bing and a third direction perpendicular to the first direction and this
Two directions, wherein the first axis is not parallel to the third direction.
3. optical system as claimed in claim 2, wherein the first direction is substantially perpendicular to the one photosensitive of the photosensory assembly
Face.
4. optical system as described in claim 1, wherein the reflecting surface has an arc structure.
5. optical system as claimed in claim 4, wherein the center of the arc structure corresponds to the center of the incident light.
6. optical system as claimed in claim 4, wherein the reflecting surface has a Radius, the radius substantially 100 to
Between 1000mm.
7. optical system as claimed in claim 4, wherein the reflecting surface also has a plane, and the arc structure is flat around this
Face.
8. optical system as claimed in claim 4, wherein the arc structure is a convex configuration or a concave structure.
9. optical system as described in claim 1, wherein the optical system also includes one second driving assembly, configure to drive
The reflector element is around one second axial rotation.
10. optical system as described in claim 1, wherein the optical system also includes a third driving assembly, configure to drive
It moves the reflector element and is axially rotated around a third.
Priority Applications (2)
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| US15/977,176 US10712633B2 (en) | 2017-05-12 | 2018-05-11 | Optical system |
| US16/895,179 US11698571B2 (en) | 2017-05-12 | 2020-06-08 | Optical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762505420P | 2017-05-12 | 2017-05-12 | |
| US62/505,420 | 2017-05-12 |
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Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810225323.9A Pending CN108873234A (en) | 2017-05-12 | 2018-03-19 | Lens driving mechanism |
| CN201820373122.9U Active CN207908778U (en) | 2017-05-12 | 2018-03-19 | Lens driving mechanism |
| CN201810425973.8A Active CN108873236B (en) | 2017-05-12 | 2018-05-07 | Optical system |
| CN201820675229.9U Active CN208766376U (en) | 2017-05-12 | 2018-05-07 | Optical system |
| CN201810428101.7A Pending CN108873239A (en) | 2017-05-12 | 2018-05-07 | Optical system |
| CN201820680964.9U Active CN208766374U (en) | 2017-05-12 | 2018-05-08 | Optical module driving mechanism and photographic device |
| CN201810431696.1A Active CN108873228B (en) | 2017-05-12 | 2018-05-08 | Optical component driving mechanism |
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| CN201810225323.9A Pending CN108873234A (en) | 2017-05-12 | 2018-03-19 | Lens driving mechanism |
| CN201820373122.9U Active CN207908778U (en) | 2017-05-12 | 2018-03-19 | Lens driving mechanism |
| CN201810425973.8A Active CN108873236B (en) | 2017-05-12 | 2018-05-07 | Optical system |
| CN201820675229.9U Active CN208766376U (en) | 2017-05-12 | 2018-05-07 | Optical system |
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| CN201820680964.9U Active CN208766374U (en) | 2017-05-12 | 2018-05-08 | Optical module driving mechanism and photographic device |
| CN201810431696.1A Active CN108873228B (en) | 2017-05-12 | 2018-05-08 | Optical component driving mechanism |
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| CN109633854B (en) * | 2019-01-08 | 2020-09-29 | 瑞声通讯科技(常州)有限公司 | Image collector and mobile electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108873228B (en) | 2023-08-01 |
| CN207908778U (en) | 2018-09-25 |
| CN108873236A (en) | 2018-11-23 |
| CN208766374U (en) | 2019-04-19 |
| CN108873234A (en) | 2018-11-23 |
| CN208766376U (en) | 2019-04-19 |
| CN108873228A (en) | 2018-11-23 |
| CN108873236B (en) | 2022-06-24 |
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