WO2018035944A1 - 具有镜头和棱镜装置的潜望式摄像模组 - Google Patents

具有镜头和棱镜装置的潜望式摄像模组 Download PDF

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Publication number
WO2018035944A1
WO2018035944A1 PCT/CN2016/101964 CN2016101964W WO2018035944A1 WO 2018035944 A1 WO2018035944 A1 WO 2018035944A1 CN 2016101964 W CN2016101964 W CN 2016101964W WO 2018035944 A1 WO2018035944 A1 WO 2018035944A1
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WO
WIPO (PCT)
Prior art keywords
lens
prism
support
module according
camera module
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.)
Ceased
Application number
PCT/CN2016/101964
Other languages
English (en)
French (fr)
Inventor
方银丽
张百成
刘春梅
赵金军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Sunny Opotech Co Ltd
Original Assignee
Ningbo Sunny Opotech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201610724625.1A external-priority patent/CN107783244B/zh
Priority claimed from CN201610718713.0A external-priority patent/CN107783241A/zh
Priority claimed from CN201610718863.1A external-priority patent/CN107783243B/zh
Application filed by Ningbo Sunny Opotech Co Ltd filed Critical Ningbo Sunny Opotech Co Ltd
Publication of WO2018035944A1 publication Critical patent/WO2018035944A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • G03B17/17Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera

Definitions

  • the invention relates to the field of imaging, and in particular to a periscope camera module having a lens and a prism device.
  • Chinese patent CN201480051999.0 discloses a mirror tilt actuation in which a mirror and a base supporting the mirror are provided. According to this patent, different pivot-supporting mirrors are used, and the mirrors are controlled by elements such as magnets, FP coils, Hall sensors, and springs to avoid jitter that occurs during use.
  • the tilting actuation structure of such a mirror is complicated, the number of parts is numerous, and the manufacturing and maintenance are complicated.
  • the motor is a common component in the camera, which is used to drive the lens and the sensor to perform relative motion to complete the focus.
  • the camera in the mobile phone mainly includes a lens module and a chip module
  • the chip module includes a photosensitive chip and a circuit board
  • the lens module is mainly composed of a lens and a motor.
  • Figure 10 shows the structure of a lens module widely used in mobile phones.
  • the lens and the motor carrier are disposed in the lens holder, and the lens and the motor carrier are connected and fixed.
  • the outer wall of the motor carrier is wound with a coil, and the inside of the lens holder can be provided with a magnet. After being energized, the motor carrier can be driven to move the lens together to complete the focusing operation.
  • the lens and the motor carrier are connected by screws.
  • the lens module is often affected by vibration and other factors. If the torque between the lens and the motor carrier is not enough, the lens will be prone to loosening, which will ensure that the distance between the lens and the sensor chip changes. A problem that causes the camera to focus inaccurately.
  • the lens and motor carrier used in the mobile phone camera are small devices. If the torque between the lens and the motor carrier is simply increased, This can cause damage to the device. Therefore, in order to increase the torque between the lens and the motor carrier without damaging the lens and the motor carrier, the lens and the motor carrier must be required to have a certain mechanical strength, so that the material thickness of the lens and the motor carrier at the screw-fit position is required.
  • the thickness of the lens and motor carrier threaded position is increased, the volume of the lens module will increase, which results in the installation of the camera being limited by the installation space in the mobile phone, and cannot be matched with the requirements of the slimming of the mobile phone.
  • the present invention provides a periscope camera module capable of uniformly dispersing the self-weight of the prism, performing firm and stable support on the prism and preventing the lens from being loose.
  • a periscope camera module includes a light steering mechanism, a lens mechanism, and a photosensitive chip.
  • the light steering mechanism is mounted on a light incident side of the lens mechanism
  • the photosensitive chip is mounted on a light exit side of the lens mechanism.
  • the utility model is characterized in that the light steering mechanism comprises a prism, a prism holder, a support shaft and a base, wherein the prism seat is arranged in the base, the prism seat has a bearing surface opposite to the prism, and the prism seat is further provided with a shaft seat, and the shaft seat is arranged at On the other side of the supporting surface opposite to the prism, the shaft seat is provided with a through shaft hole, and the supporting shaft is rotatably disposed in the shaft hole, the supporting shaft is perpendicular to the optical axis of the optical lens in the lens mechanism; the supporting surface has two The side wall, the support surface and the side wall intersect with a support platform that protrudes away from the support surface and extends along the intersection of the support surface and the side wall.
  • a lens mechanism includes an optical lens, a focus motion carrier, and a lens housing, wherein the optical lens is disposed in a focus motion carrier, and the optical lens is driven by the motor in the focus motion carrier along the optical lens
  • the optical axis moves in a vertical direction; and the focus motion carrier is disposed in the lens housing, and the focus motion carrier drives the optical lens to move in the lens housing in a direction parallel to the optical axis of the optical lens under the driving of the motor.
  • the inactive area of the lens in the optical lens can be at least partially removed in a direction perpendicular to the direction of motion of the optical lens in the focus motion carrier, and the size and non-effectiveness of the focus motion carrier and the lens housing are The size of the lens after the area is removed matches.
  • the optical lens along the direction of movement of the optical lens in the focus motion carrier, has a protrusion integrally formed with the lens barrel, the protrusion having a groove in which a magnet or a coil is disposed, wherein the protrusion The number of parts is two, located on both sides of the optical lens.
  • the lens mechanism is further provided with a coil or a magnet that interacts with a magnet or a coil in the recess.
  • the lens mechanism further includes a first circuit board disposed on the lens housing, wherein the protrusion is provided with a magnet in the recess, and the first circuit board is provided with a magnet in the recess Interacting coils.
  • the focus motion carrier is provided with a magnet or a coil
  • the lens mechanism is further provided with a coil or a magnet that interacts with a magnet or a coil on the focus motion carrier.
  • the lens mechanism may further include a second circuit board disposed on the lens housing, wherein the focus movement carrier is provided with a magnet, and the second circuit board is provided with the focus movement carrier A coil that interacts with a magnet.
  • both ends of the support shaft are rotatably mounted to a shaft support, respectively, and the shaft support is mounted to the side wall of the base.
  • the shaft seat is further provided with a groove, the groove is provided with at least two magnets, the bottom plate of the base has a window, the circuit board is arranged below the base, and the coil and the magnetic field are mounted on the circuit board.
  • the sensor is provided with a yoke below the circuit board, wherein when the circuit board is mounted, the window opening corresponds to the position of the magnet.
  • the side wall includes a triangular portion, a rectangular portion, and a support portion; the oblique side of the triangular portion intersects the support surface to form a line of intersection, a right-angled side of the triangular portion coincides with the rectangular portion, and the triangular portion is coplanar with the rectangular portion
  • the support portion extends in the length direction of the rectangular portion and extends in a direction perpendicular to the rectangular portion toward the direction away from the rectangular portion.
  • the prism holder has a positioning portion extending between the two support stages along one side of the support surface and perpendicular to the side wall, and one side of the positioning portion is fixedly connected to the support table, and One side is a free side.
  • the width (b) of the shaft seat is smaller than the width (B) of the prism holder
  • the support shaft is rotatably disposed in the support sleeve, the radial gap between the support shaft and the support sleeve is 5-12 ⁇ m, and the axial length of the support sleeve is equal to or smaller than the upper shaft of the shaft seat The length of the hole, the support sleeve is fixedly connected with the shaft hole of the prism holder.
  • the prism is a right-angled triangular prism, wherein a right-angled side is connected to the oblique side of the right-angled triangle through a transition section, the transition section is perpendicular to the right-angled side and its length and branch The width of the cap corresponds.
  • the prism is opposite to the support surface with a plane in which the oblique triangle of the right-angled triangle is located, the transition section abuts against the positioning portion, and both sides of the plane of the right-angled edge connected to the transition section abut against the support portion
  • the sides of the plane on which the hypotenuse of the right triangle is located abut against the support table, and the prism is fixedly fixed to the positioning portion and the support table, and the plane of the prism protrudes from the prism holder in the mounted state.
  • the prism holder is an integrally formed member.
  • a prism apparatus for a camera module comprising a prism, a prism holder, a support sleeve and a support shaft, and a magnet having a support surface opposite to the prism, the support surface
  • the support surface There are two side walls, and the support surface and the side wall are provided with a support table which protrudes away from the support surface and extends along the intersection of the support surface and the side wall.
  • the support surface side wall comprises a triangular portion, a rectangular portion and a support portion
  • the oblique side of the triangular portion intersects the support surface to form the intersection line, a right angle side of the triangular portion coincides with the rectangular portion, and the triangular portion is coplanar with the rectangular portion;
  • the support portion extends in a length direction of the rectangular portion and extends in a direction perpendicular to the rectangular portion toward a direction away from the rectangular portion.
  • the prism holder has the positioning portion, and the positioning portion extends along one side of the support surface between the two support stages, and is perpendicular to the side wall.
  • One side of the positioning portion is fixedly connected to the support table, and the other side is a free side.
  • the prism holder is further provided with a shaft seat, the shaft seat is disposed on the other surface of the support surface opposite to the support table, and the through hole hole and the groove are provided thereon
  • the width (b) of the shaft seat is smaller than the width (B) of the prism holder.
  • At least two of said magnets are provided, said magnets being disposed in said recesses.
  • the support shaft is rotatably disposed in the support sleeve, and a radial gap between the support shaft and the support sleeve is 5-12 ⁇ m, and the support sleeve is The axial length is equal to or smaller than the length of the shaft hole on the shaft seat, and the support sleeve and the prism seat The shaft holes are fixedly connected.
  • the prism is a right-angled triangular prism, wherein a right-angled edge is connected to a hypotenuse of a right-angled triangle through a transition section, the transition section being perpendicular to the right-angled side and having a length and the support table The width corresponds.
  • the prism is opposed to the support surface by a plane in which the oblique triangle of the right-angled triangle is located, the transition section abuts on the positioning portion, and the two sides of the plane where the right-angled edge connected to the transition section is located Abutting against the support portion, the side edges of the plane where the oblique triangle of the right triangle is located abut against the support table, and the prism is fixedly fixed to the positioning portion and the support table, and the plane of the prism is convex in the mounted state.
  • the prism holder Out with the prism holder.
  • the prism holder is an integrally formed piece.
  • a prism holder is used, and a support base for supporting the prism is provided in the prism holder.
  • the support table will form a space between the prism and the support surface, allowing air to enter the space, thereby achieving reflection of the light in the prism, effectively changing the path of the incident light.
  • the support table also supports the prisms respectively, and the two support tables share the weight of the supported prisms, so that the prisms can be stably and firmly supported on the prism holder.
  • the direction in which the prism emits light can be changed, and the anti-shake effect can be achieved by the prism that can be rotated.
  • the lens barrel in the lens mechanism by designing the lens barrel in the lens mechanism to be movable in a direction perpendicular to the optical axis, the lens can be anti-shake motion, thereby allowing the prism to perform an anti-shake motion in the vertical direction, and let the lens perform
  • the anti-shake motion in the horizontal direction makes it unnecessary to reserve space for the movement of the optical lens in the vertical direction in the lens mechanism, which helps to reduce the height and overall volume of the lens mechanism and is helpful for installation.
  • the lens mechanism since the lens mechanism does not need to be moved in the vertical direction for anti-shake, the ineffective area of the lens can be removed in the vertical direction, and since the shape of the lens is changed and the size is reduced, the lens barrel, And the size of the lens mechanism is also reduced to help with the installation.
  • the height of the lens mechanism in the vertical direction can be reduced; moreover, since the protrusions are integrally formed, the lens barrel does not need to be fixed to the carrier by means of threads. Further, in order to increase the torque of the screw fixing, the material at the fixed position is thickened, so that the space occupied by the lens mechanism in the horizontal direction can be reduced.
  • the anti-shake in the vertical direction can be realized by rotating the prism holder around the support shaft, and the optical lens in the lens mechanism can be moved in the horizontal direction along the vertical optical axis direction.
  • Anti-shake is achieved in both horizontal and vertical directions, which effectively improves the performance of the camera module and improves the imaging effect.
  • a positioning portion is further provided on a lower side edge of the prism holder.
  • one corner of the prism itself is cut away.
  • the positioning portion further shares the weight of the prism such that the prism is held in the prism holder, preventing the prism from sliding downward in the prism holder due to gravity. This will make the prism more stable during the installation process.
  • two support portions are also provided on the prism base.
  • the two support portions are respectively disposed on the two side walls of the prism holder.
  • the support portion together with the positioning portion and the side walls, functions to fix and position the prisms placed in the prism group while also sharing the role of the supporting prism. Due to the presence of the support portion, the tendency of the prism to slide downward in the prism holder is further prevented.
  • the prism holder of the present invention has the above structure, when the prism is placed in the prism holder, and the glue is applied to the positioning portion and the support table to bond the prism in the prism holder, the prism is effectively prevented from being in the prism holder. Sliding or moving effectively prevents and controls the downward sliding tendency of the prism so that it is stably held in the prism holder.
  • This configuration ensures that the prism is mounted in the prism holder at a predetermined correct position, thereby improving image quality.
  • the radial clearance between the bearing sleeve and the support shaft is strictly controlled between 5 and 10 ⁇ m.
  • Such a gap can effectively control the correctness and accuracy of the position of the prism after the movement of the prism, the movement to a predetermined position, and strictly control the sway of the prism due to the radial gap.
  • this clearance ensures smooth movement of the prism, i.e. the smooth rotation of the support sleeve relative to the support shaft.
  • this gap ensures a small driving force while ensuring the correct position of the prism and reducing the shaking of the prism itself.
  • this clearance ensures that the resistance to drive the prism is very small.
  • the present invention provides a lens and a lens module, which can prevent the lens from being loosened, and can also meet the requirements for miniaturization of the lens.
  • the present invention provides a lens comprising a lens barrel and one or more lenses, wherein the lens is disposed in the lens barrel, the lens barrel is provided with a protruding portion, the protruding portion is integrally formed with the lens barrel, and the protruding portion is provided with a groove .
  • the protruding portion is integrally formed on the outer wall of the lens barrel and along The lens barrel is convex radially outward, and the groove is opened outside the convex position along the radial direction of the lens barrel.
  • the number of the protrusions may be one, and the protrusion surrounds the outer wall of the lens barrel, and the groove is an annular groove.
  • the number of the protrusions may be plural, and the plurality of protrusions are evenly distributed along the circumferential direction of the lens, each of the protrusions having a groove.
  • the number of the above protrusions is two.
  • the projection may be provided with a support portion extending downward in a direction parallel to the outer wall of the lens barrel.
  • the inactive area of the lens is removed and the cross-sectional shape of the lens barrel is the same as the shape of the lens after removal of the inactive area.
  • the present invention provides a lens module including a lens holder and a lens, wherein the lens is mounted in the lens holder, the lens includes a lens barrel and one or more lenses, and the lens is disposed in the lens barrel, and the lens barrel is disposed.
  • a protruding portion the protruding portion is integrally formed with the lens barrel, the protruding portion is provided with a groove; a magnet or a coil is disposed in the groove of the protruding portion, and a coil that interacts with the magnet or the coil in the groove is disposed in the lens holder or magnet.
  • the mirror mount is provided with a carrier on which a coil or magnet that interacts with a magnet or coil in the recess is disposed.
  • the projection is integrally formed on the outer wall of the lens barrel and protrudes outward in the radial direction of the lens barrel, and the groove is opened outside the convex position in the radial direction of the lens barrel.
  • the number of the protrusions may be one, and the protrusion surrounds the outer wall of the lens barrel, the groove is an annular groove, and the ring or groove is provided with a magnet or a coil.
  • the coil provided in the annular groove may be an AF coil or an OIS coil.
  • the number of the protrusions may be plural, and the plurality of protrusions are evenly distributed along the circumferential direction of the lens, each of the protrusions having a groove in which a magnet or a coil is disposed.
  • the number of the protrusions may be two, and the magnets provided in the grooves of each of the protrusions are OIS magnets or AF magnets.
  • the projection is further provided with a support portion extending downward in a direction parallel to the outer wall of the lens barrel, and the support portion is provided with a limit plate and/or an elastic return mechanism.
  • the elastic return mechanism can be a spring or a spring.
  • the ineffective area of the lens is removed, and the cross-sectional shape of the lens barrel is the same as the shape of the lens after removing the ineffective area.
  • the lens module is a periscope lens module for a mobile terminal, and in the case of being mounted on the mobile terminal, the optical axis of the lens is perpendicular to the thickness direction of the mobile terminal.
  • the invention integrally forms the protruding portion on the side wall of the lens barrel, thereby effectively avoiding the problem that the thickness of the device is increased due to the split connection and the device is damaged during the mating, which can effectively reduce the lens module.
  • the volume makes the lens module easier to install in a small space.
  • the lens barrel and the protruding portion are integrally formed, there is no problem of looseness, which effectively avoids the problem of inaccurate focus and enables the camera to Better stability and durability;
  • the protruding portion is integrally formed with the lens barrel and protrudes from the side wall of the lens barrel, the protruding portion can better interact with the structure of the limiting plate or the reset mechanism in the lens holder to drive the lens barrel Better performance and durability when moving with the lens;
  • the present invention further reduces the lens mode by cutting out the ineffective area of the lens and designing the lens barrel to match the size of the lens after cutting, thereby reducing the volume of the lens without affecting the quality of the lens.
  • the lens of the present invention can be applied to a mobile terminal as a periscope lens module, and the optical axis of the lens is perpendicular to the thickness direction of the mobile terminal.
  • the integrally formed lens and the protruding portion can reduce the side wall of the lens.
  • the thickness is equivalent to lowering the height of the periscope lens module in the thickness direction of the mobile terminal; on the basis of this, by designing the number of the protrusions to two, the height of the lens module can be further reduced.
  • FIG. 1 is an exploded perspective view of a periscope camera module in accordance with the present invention
  • FIG. 2 is an exploded perspective view of a lens mechanism in a periscope camera module according to the present invention
  • Figure 3a is a schematic view showing an effective area and a non-effective area of the lens
  • Figure 3b is a schematic illustration of the removal of the inactive area of the lens of Figure 3a;
  • Figure 4 is a cross-sectional view of a light steering mechanism in accordance with the present invention.
  • FIG. 5 is a perspective view of the prism device of the present invention for assembling a prism module
  • FIG. 6 is an exploded perspective view of a prism device for a camera module of the present invention.
  • FIG. 7 is a perspective view of a prism holder of a prism device for a camera module of the present invention.
  • FIG. 8 is a perspective view showing the back surface of a prism holder of a prism device for a camera module according to the present invention.
  • FIG. 9 is a side elevational view of a prism device for a camera module of the present invention.
  • Figure 10 is a cross-sectional view of a lens module according to the related art.
  • Figure 11 is a cross-sectional view of a lens module in accordance with one embodiment of the present invention.
  • Figure 12 is a plan view of a lens in accordance with one embodiment of the present invention.
  • 13a and 13b are a plan view and a side view, respectively, of a lens according to another embodiment of the present invention.
  • Figure 14 is a plan view of a lens according to still another embodiment of the present invention.
  • Figure 15a is a schematic view showing an effective area and a non-effective area of a lens
  • Figures 15b and 15c are schematic views of the removal of the inactive area of the lens of Figure 15a in different ways;
  • FIG. 16 is a structural diagram of a periscope lens module according to an embodiment of the invention.
  • FIG. 17 is an internal structural view of the periscope lens module shown in FIG. 16;
  • FIG. 18 is a schematic view of the periscope lens module shown in FIG. 16 after being mounted to a mobile terminal.
  • any reference to the directions and orientations is for convenience of description and is not to be construed as limiting the scope of the invention.
  • Related terms such as “lower”, “higher”, “horizontal”, “vertical”, “above”, “below”, “upper”, “lower”, “top” and “bottom” and Derivatives thereof (such as “horizontally”, “downwardly”, “upwardly”, and the like, are to be interpreted as the orientations described in the description or illustrated in the drawings. These related terms are merely for convenience of description and should not be construed as an explanation of the instrumentation or a specific operation in a particular orientation.
  • a periscope camera module is provided, and the periscope camera module can be applied to a mobile terminal, such as a mobile phone or the like.
  • a periscope camera module according to an embodiment of the present invention includes a light steering mechanism, a lens mechanism, and a photosensitive chip, and the lens mechanism includes a lens, and a driving component such as a motor.
  • FIG. 1 illustrates a periscope camera module in accordance with one embodiment of the present invention.
  • the light steering mechanism 2000 and the lens mechanism 1000 are exploded.
  • the lens mechanism 1000 and the light steering mechanism 2000 can be positioned by the fixing hole and the fixing pin (as indicated by the dotted arrow in FIG. 1), and the surrounding area of the fixing hole and the fixing pin can be sealed by drawing glue.
  • the fixing hole and the fixing pin as indicated by the dotted arrow in FIG. 1
  • the surrounding area of the fixing hole and the fixing pin can be sealed by drawing glue.
  • at the edge of the side wall of the lens mechanism 1000 there may be a limiting groove, and at the corresponding position of the outer casing of the light steering mechanism, there are extended side walls, which can be assembled by welding (for example, laser welding, etc.) The connection is fixed.
  • the light steering mechanism 2000 has a circuit board 2800.
  • the lens mechanism 1000 has an optical lens 1100. After the light steering mechanism 2000 and the lens mechanism 1000 are mounted, the light steering mechanism 2000 will be located on the light incident side of the lens mechanism 1000. In addition, the photosensitive chip is omitted in FIG. 1, and actually, the photosensitive chip is attached to the light-emitting side of the lens mechanism 1000. In other embodiments, the light steering mechanism 2000 and the lens mechanism 1000 may be positioned not by fixing pins and fixing holes, but may be positioned with each other by various other means such as snapping, plugging, etc. When fixed, it can also By other means than laser welding.
  • FIG. 2 is an exploded perspective view of a lens mechanism 1000 in accordance with one embodiment of the present invention.
  • the lens mechanism 1000 includes an optical lens 1100, a focus motion carrier 1200, and a lens housing 1300.
  • the optical lens 1100 is disposed in the focus motion carrier 1200, and the optical lens 1100 can be moved in the horizontal direction perpendicular to the optical axis of the optical lens 1100 in the focus motion carrier 1200 under the driving of the motor (ie, as shown in FIG. 2).
  • the X direction thereby achieving anti-shake;
  • the focus motion carrier 1200 is disposed in the lens housing 1300, and the focus motion carrier 1200 can be driven in the lens housing 1300 in a direction parallel to the optical axis of the optical lens 1100 under the driving of the motor.
  • the optical lens 1100 is moved (i.e., moved in the Z direction shown in Fig. 2) to complete focusing.
  • a magnet or a coil may be disposed on the focus motion carrier 1200, and the lens mechanism 1000 is further provided with a coil or magnet that interacts with a magnet or a coil on the focus motion carrier 1200.
  • the lens mechanism 1000 further includes a second circuit board 1500 disposed on the lens housing 1300.
  • a magnet is disposed on a side of the focus motion carrier 1200, and may be disposed on a side surface of the lens housing 1300.
  • the second circuit board 1500 is provided with a coil that interacts with a magnet on the focus motion carrier 1200.
  • a guide groove extending along the Z direction may be disposed on the inner wall of the lens housing 1300, and the focus motion carrier 1200 may move in the Z direction in the lens housing 1300 through the balls disposed in the guide groove.
  • other configurations may be employed to move the focus motion carrier 1200 within the lens housing 1300.
  • the lens of lens 1100 has an active area and a non-active area, as shown in Figure 3a, the active area is shown by the shading in Figure 3a.
  • the lens in the optical lens 1100 may be inactive along a direction perpendicular to the direction of motion of the optical lens 1100 in the focus motion carrier 1200 (ie, the Y direction shown in FIG. 2).
  • the area is partially removed, and the space occupied by the removed lens in the Y direction is significantly reduced.
  • the lens barrel of the optical lens 1100 can be designed according to the cut lens. Since the space occupied by the lens in the longitudinal direction becomes small, the lens barrel, the focus motion carrier 1200, and the lens housing 1300 can also be in FIG. 2 and FIG. 3b.
  • the Y direction shown in the figure becomes shorter, thereby effectively reducing the volume and height of the lens mechanism without affecting the quality of the captured image and the angle of view of the lens.
  • the focus motion carrier along the optical lens 1100 The direction of motion in 1200 is the X direction shown in FIG. 2, and the optical lens 1100 has two protrusions 1101 integrally formed with the lens barrel on both sides of the optical lens 1100, and each protrusion 1101 has a groove 1102, concave.
  • a magnet or coil is disposed in the slot 1102, and a coil or magnet that interacts with the magnet or coil in the recess 1102 is further disposed in the lens mechanism 1000.
  • the optical lens 1100 can be moved in the X direction in the focus motion carrier 1200 to achieve anti-shake; and, since the protrusion 1101 does not occupy the space in the Y direction, the overall height of the lens mechanism is not increased; Since the protruding portion 1101 is integrally formed with the lens barrel of the lens 1100, it has good mechanical strength, and compared with the design of the lens barrel and the protruding portion, it is possible to avoid increasing the thickness of the material by fixing the protruding portion and the lens barrel. This allows the integrally formed lens 1100 to occupy a smaller space in the X direction, facilitating installation in a narrow area.
  • the lens mechanism 1000 further includes a first circuit board 1400 disposed on the lens housing 1300.
  • the opening of the protrusion 1101 faces the side of the lens housing 1300, so
  • the first wiring board 1400 may also be mounted on the side of the lens housing 1300.
  • a magnet may be disposed in the recess 1102 of the protruding portion 1101, and the first circuit board 1400 is provided with a coil that interacts with the magnet in the recess 1102, and the coil can drive the magnet in the recess 1102, thereby allowing The optical lens moves in the X direction in the focus motion assembly 1200.
  • the inner wall of the focus motion carrier 1200 may be mounted with balls that may be mounted in the guide slots, with the optical lens 1100 moving in the X direction inside the focus motion carrier 1200 by means of the balls.
  • other structures or components may be employed to move the optical lens 1100 within the focus motion carrier 1200.
  • FIG. 4 is a cross-sectional view of a light steering mechanism 2000 in accordance with an embodiment of the present invention.
  • a light steering mechanism 2000 includes a prism 2100, a prism holder 2200, a support shaft 2400, and a susceptor 2600.
  • the prism holder 2200 is disposed in the base 2600.
  • the prism holder 2200 supports the prism 2100.
  • the prism holder 2200 is further provided with a shaft seat 2209 (see FIG. 8).
  • the prism holder 2200 is provided with a through shaft hole 2210 (see FIG. 8).
  • the shaft hole 2210 is disposed in the shaft seat 2209), and the support shaft 2400 is rotatably disposed in the shaft hole 2210 (see FIG. 6), and the support shaft 2400 is perpendicular to the optical axis of the optical lens 1100 in the lens mechanism 1000.
  • the bottom plate 2601 of the base 2600 has a window opening.
  • at least one magnet 2500 is mounted corresponding to the window opening position, and the base plate 2600 is provided with a circuit board 2800 below, corresponding to the window opening position.
  • a coil 2801 and a magnetic field sensor 2802 are mounted at the circuit board 2800.
  • a yoke 2803 is mounted below the circuit board.
  • the prism device in the light steering mechanism mainly includes a prism 2100, a prism holder 2200, a support shaft 2400, a magnet 2500, and the like housed in the susceptor 2600.
  • FIG. 5 is a perspective view schematically showing a prism device for a camera module according to an embodiment of the present invention, which is mainly used for a mobile terminal having a periscope camera module, such as a mobile phone.
  • Such a prism device for a camera module includes a prism 2100, a prism holder 2200, a support boss 2300, and a support shaft 2400.
  • the prism 2100 is fixedly disposed in the prism holder 2200.
  • the support bushing 2300 is fixedly mounted on the lower portion of the prism holder 2200, that is, on the other side of the prism holder 2200 opposite to the mounting prism 2100.
  • the support shaft 2400 is rotatably mounted in the support bushing 2300.
  • FIG. 6 is an exploded perspective view of a prism device for a camera module in accordance with an embodiment of the present invention, mainly showing the mutual positional relationship of various components in the prism device according to the present invention.
  • the cross section of the prism 2100 is substantially a right triangle, and the prism 2100 shown in the figure is in a state of being horizontal.
  • the plane of a right-angled side of a right-angled triangle is set upwards.
  • the plane of the hypotenuse of the right triangle on the prism 2100 faces the prism holder 2200 and is supported therein.
  • the lower right corner of the prism 2100 is cut away to form a transition section 2101.
  • the cross-section of the prism 2100 is only a generally right-angled triangle, but is actually a polygon or a quadrilateral whose cross-sectional shape is not a regular geometry.
  • the support bushing 2300 and the support shaft 2400 cooperate to support the entire prism mount 2200 and the prism 2100 so as to be rotatable about the support shaft 2400.
  • a through hole 2301 is defined in the support bushing 2300, and the support shaft 2400 is inserted into the through hole 2301.
  • the diameter of the through hole 2301 is larger than the outer diameter of the support shaft 2400.
  • the difference between the diameters of the two is 5-12 ⁇ m.
  • the difference in diameter between the two constitutes a radial gap between the support sleeve 2300 and the support shaft 2400. This radial clearance ensures that the prism holder 2200 and the prism 2100 can freely and smoothly rotate around the support shaft 2400 while also ensuring that the through hole 2301 does not cause great contact and friction with the support shaft 2400 during the movement.
  • such a gap effectively reduces the driving force for driving the prism 2100 and the prism holder 2200, ensures that the prism 2100 can be adjusted to a desired position as needed, and ensures that the prism 2100 does not rattle on the support shaft 2400. This will directly ensure that the image is clear and that a high quality image is obtained.
  • Figures 7 and 8 show a prism holder 2200 in accordance with the invention in a perspective view.
  • the prism holder 2200 according to an embodiment of the present invention is roughly composed of two triangular prisms, one large and one small, and the inclined surfaces of the two are disposed opposite to each other.
  • the structure and shape of the prism holder 2200 will be described in detail below with reference to Figs.
  • the prism holder 2200 is mainly in the shape of a hollow triangular prism.
  • the prism holder 2200 includes a support surface 2201 and two side walls 2202.
  • the support surface 2201 has a rectangular shape, and the side wall 2202 is substantially triangular.
  • the side wall 2202 is disposed perpendicular to the support surface 2201 and is disposed on two opposite sides of the support surface 2201.
  • an intersection line 2204 is formed at the intersection of the support surface 2201 and the side wall 2202. Only the position where one intersection line 2204 is located, and its relationship with the support surface 2201 and the side wall 2202 are shown in FIG. However, since the two side walls 2202 are symmetrically disposed, the other side wall 2202 also has an intersection line 2204 at the side of the support surface 2201. Since the two are relatively symmetrically arranged, only one of the ones shown in Fig. 7 will be described in detail in the present invention, and the other is exactly the same.
  • a support base 2203 is provided extending along the intersection line 2204.
  • the support table 2203 is an elongated rectangular body having a rectangular cross section and a length corresponding to the length of the corresponding side of the support surface 2201.
  • the support table 2203 is disposed on opposite sides of the support surface 2201, and the two are parallel to each other and extend along the respective opposite intersection lines 2204.
  • the two support tables 2203 are upwards, indicated by the letter Z in the figure, in a plane parallel to each other.
  • the two support tables 2203 constitute a support for the prism 2100. That is to say, in the mounted state, the two opposite sides of the prism 2100 abut against the support table 2203, respectively.
  • the surface of the prism 2100 where the triangular oblique sides are located and the support surface 2201 of the prism holder 2200 are not in contact with each other, and are spaced apart from each other. Air can enter the space created by this interval. Due to the presence of air, it is ensured that the prism 2100 is capable of forming a total reflection of the incident light. Specifically, the prism 2100 deflects the incident light by 90° and then refracts it to achieve the refraction of the light.
  • a positioning portion 2208 is provided on the lower edge of the prism holder 2200, that is, at the bottom edge.
  • the positioning portion 2208 is an elongated plane. This plane along The lower edge of the support surface 2201 extends at an angle to the support surface 2201 and is coupled to the support surface 2201. It can also be seen from the figure that at the portion where the positioning portion 2208 intersects the support table 2203, the length of the support table 2203 is equal to the length of the support surface 2201, both of which terminates and positions the portion 2208.
  • Fig. 7 Also shown in Fig. 7 are two support portions 2207 included in the prism holder 2200.
  • the two support portions 2207 are opposite to the two side walls 2202, respectively, and are disposed at the ends of the side walls 2202 and perpendicular to the side walls 2202.
  • the transition section 2101 of the prism 2100 shown in Figure 6 abuts against the positioning portion 2208 of the prism holder 2200, the other side of which Both ends abut against the support portion 2207.
  • the prism 2200 is fixed in the prism holder 2200.
  • Support portions 2207 respectively disposed on the two side walls 2202, block the prism 2200 in the prism holder 2200.
  • the prism group 2200 further has a positioning portion 2208 which, after the prism 2100 is placed in the prism holder 2200, holds the transition portion 2101 on the prism 2100, thereby causing the prism 2 to be mounted. It will not fall or move further due to its own weight.
  • the positioning portion 2208 is provided at the lower edge of the prism holder 2200. Since the prism 2100 is held, the weight of the prism 2100 is borne by the positioning portion 2208 instead of being concentrated on the above-mentioned connection portion. This structural arrangement effectively and significantly disperses the weight of the prism 2100, reducing the strength requirements for the various portions that assume the fixing and positioning of the prism 2100, thereby reducing the weight of the prism holder 2200 according to the invention.
  • the side wall 2202 of the prism holder 2200 includes a triangular portion 2205 and a rectangular portion 2206.
  • the triangular portion 2205 and the rectangular portion 2206 are coplanar with each other and are smoothly connected.
  • the triangular portion 2205 primarily corresponds to the triangular side or triangular cross section of the prism 2100, while its rectangular portion 2206 primarily corresponds to the support portion 2207.
  • the side walls 2202 are disposed on both sides of the support surface 2201, that is, on opposite sides of the support surface 2201 having a rectangular shape.
  • the upper edge of side wall 2202 is interconnected by a transverse connecting edge 2212.
  • the upper edges of the two side walls 2202 and the connecting edges 2212 are in the same plane.
  • the upper surface of the prism 2100 protrudes from the plane formed by the upper edge of the side wall 2202 and the connecting side 2212.
  • Figure 8 shows, in another perspective, the structure and shape of the rear face of the prism holder 2200 in accordance with the present invention.
  • the prism holder 2200 according to the present invention also has a shaft seat 2209.
  • the shape of the shaft seat 2209 is also substantially a prism having a triangular cross section.
  • a shaft hole 2210 is provided in the shaft seat 2209.
  • the shaft hole 2210 penetrates the width of the shaft seat 2209, and a through hole is formed in the shaft seat 2209. This shaft hole 2210 is for receiving the bearing sleeve 2300.
  • the shaft seat 2209 is smaller than the width of the support surface 2201 in the width direction and smaller than the length of the support surface 2201 in the longitudinal direction.
  • the triangular slope of the shaft seat 2209 and the back surface of the support surface 2201 are bonded to each other to be integrated.
  • the bottom surface of the shaft seat 2209 is upward in the drawing.
  • a groove 2211 for accommodating a magnet is provided on the bottom surface of the shaft seat 2209.
  • the recess 2211 is a rectangular recess as long as it can accommodate a magnet that drives the movement of the prism device according to the present invention.
  • Figure 9 is a side elevational view of a prism device for a camera module in accordance with the present invention.
  • Figure 9 is a view showing the relationship between the shape of the side wall 2202 and the shaft seat 2209 in the prism device according to the present invention and the corresponding positional relationship.
  • the mounted state of the support bushing 2300 in the axle seat 2209 is shown.
  • the prism holder 2200 in the prism device for the camera module may be an integrally molded integral body.
  • the support bushing 2300 is also a unitary molded cylinder.
  • the prism devices for the camera module Prior to actual use, it is necessary to assemble the prism devices for the camera module according to the present invention.
  • glue is applied to the support table 2203 and the positioning portion 2208 of the prism holder 2200, and then the prism 2100 is placed in the prism holder 2200.
  • the prism 2100 is supported by the support base 2203 and does not come into contact with the support surface 2201 of the prism holder 2200.
  • the prism 2100 is supported by the support table 2203 only at the two edges.
  • the transition section 2101 thus formed is in the prism
  • the positioning portion 2208 a portion of the weight of the prism 2100 will be borne by the positioning portion 2208.
  • the prism 2100 is lifted by the support portion 2203 and is also lifted by the positioning portion 2208 at its lower portion, thereby preventing the prism 2100 from sliding downward along the two support tables 2203.
  • a support portion 2207 is further disposed on the side wall 2202 of the prism holder 2200. After the prism 2100 is placed in the prism holder 2200, the two support portions 2207 respectively support the two corner portions of the prism 2100. Thus, the support portion 2207 also shares the weight of the partial prism 2100.
  • the glue is solidified, and the prism 2100 is firmly bonded to the prism holder 2200.
  • the prisms are supported and held by the different portions described above, so that the weight of the prism 2100 is dispersedly supported.
  • Each of the portions that bear the supporting prisms only bears a part of the weight of the prism 2100, so that the structure of the entire prism holder 2200 can be thinned, reduced, and lightened.
  • the driving force for driving the thinner, lighter, and smaller prism holder 2200 is reduced.
  • the reduction in driving force directly leads to a reduction in the size of the camera module for the mobile device or terminal.
  • a prism holder is used, and a support base for supporting the prism is provided in the prism holder.
  • the support table will form a space between the prism and the support surface, allowing air to enter this space, thereby enhancing the reflection of light in the prism, effectively changing the path of incident light.
  • the support table also supports the prisms respectively, and the two support tables share the weight of the supported prisms, so that the prisms can be stably and firmly supported on the prism holder.
  • the direction in which the prism emits light can be changed, and the anti-shake effect can be achieved by the prism that can be rotated.
  • the lens barrel in the lens mechanism by designing the lens barrel in the lens mechanism to be movable in a direction perpendicular to the optical axis, the lens can be anti-shake motion, thereby allowing the prism to perform an anti-shake motion in the vertical direction, and let the lens perform
  • the anti-shake motion in the horizontal direction makes it unnecessary to reserve space for the movement of the optical lens in the vertical direction in the lens mechanism, which helps to reduce the height and overall volume of the lens mechanism and is helpful for installation.
  • a lens and a lens module including the same are also provided.
  • a lens according to the present invention may include a lens barrel and one or more lenses, the lenses being disposed in the lens barrel.
  • Figure 11 is a cross-sectional view of a lens module in accordance with one embodiment of the present invention.
  • the optical axis of the lens extends in the longitudinal direction (ie, the Y direction shown in FIG. 11).
  • the lens barrel and the lens are not separately shown in FIG. 11, but the two are used as the lens 1. Unite show.
  • the lens 1 is disposed in the lens holder 3, and the lens holder 3 has an opening corresponding to the lens opening of the lens 1.
  • the opening of the lens holder 3 can be larger than the lens barrel in consideration of the angle of view of the captured image. The opening is to avoid affecting image capture.
  • the lens barrel of the lens 1 is provided with a protrusion 11 which is integrally formed with the lens barrel, and the protrusion 11 is provided with a groove 111.
  • the groove 111 is opened outside the convex position along the radial direction of the lens 1 with the opening facing the outside of the lens 1.
  • the lens holder 3 may have a carrier (not shown) on which a magnet (not shown) is disposed, and a coil (not shown) is provided in the groove 111 of the projection 11 at After the energization, a magnetic force is generated between the coil of the protrusion 11 and the magnet in the lens holder 3, so that the driving protrusion 11 drives the lens 1 to move in the lens holder 3, for example, the focusing operation can be completed.
  • a magnet may be disposed in the groove 111, and a coil is wound on a carrier (not shown) in the lens holder 3, and the protrusion 11 may be driven to drive the lens 1 to move in the lens holder 3, for example, for example. , you can complete the focus.
  • the lens barrel of the lens 1 is integrally formed with the protruding portion 11, there is no threaded engagement between the lens barrel and the protruding portion 11, and accordingly, it is not necessary to increase the thickness of the side wall of the lens barrel and the protruding portion 11, thereby ensuring the Rigid strength. Therefore, the lens module shown in FIG. 11 occupies less space in the X direction shown in FIG. 11 than the lens module in the conventional art shown in FIG.
  • the optical axis of the lens 1 is parallel to the thickness direction of the mobile phone, thereby reducing the width of the lens module in the mobile phone and facilitating installation in the mobile phone.
  • Figure 12 is a top plan view of a lens in accordance with one embodiment of the present invention.
  • the lens barrel 12 of the lens 1 is circular, the number of the projections 11 is one, and the projection 11 surrounds the outer wall of the lens barrel 12 (see the shaded area in Fig. 12), correspondingly,
  • the groove (not shown in Fig. 12) of the projection 11 is an annular groove.
  • the coil can be wound or a magnet can be mounted.
  • the wound coil may be an AF coil, and the AF coil is used to interact with the magnet in the lens holder 3, so that the AF coil drives the lens 1 to move, thereby completing the focusing operation.
  • the coil wound in the annular groove may also be an OIS coil, and the OIS coil can drive the lens 1 to move under the action of the magnet in the lens holder 3, thereby achieving the anti-shake effect.
  • a magnet may be mounted in the annular groove.
  • a coil that interacts with the magnet may be mounted in the lens holder 3.
  • the magnet installed in the lens holder 3 will drive the lens under the action of the coil inside the lens holder 3, thereby achieving the purpose of autofocus and/or anti-shake.
  • the protruding portion 11 is integrally formed with the lens barrel 12, the height of the protruding portion 11 protruding from the lens barrel 12 is small, thereby reducing the volume of the lens 1.
  • Figure 13a is a top plan view of a lens in accordance with another embodiment of the present invention.
  • the number of the projections is four, which are the projections 11a, 11b, 11c and 11d, respectively, which are integrally formed with the lens barrel 12, and along the lens 1 (the barrel) 12) The circumferential direction is evenly set.
  • Figure 13b is a side view of the lens shown in Figure 13a.
  • Fig. 13b shows the projections 11b, 11c and 11d, the projections 11a being located on the back side opposite the projections 11b.
  • the projection 11c has a recess 111c recessed inwardly (toward the barrel 12), and Fig. 13b also shows the recess 111b of the projection 11b and the recess 111c of the projection 11c in broken lines.
  • the grooves of the four projections are not in communication, in which case the magnets can be mounted in the grooves of the four projections.
  • the coil which may be an OIS coil or an AF coil
  • Motion for anti-shake and/or autofocus operation).
  • Figure 14 is a top plan view of a lens in accordance with still another embodiment of the present invention.
  • the number of the projections is two, including the projections 11a and 11c.
  • the projections 11a and 11c shown in Fig. 14 each have a groove in which a magnet can be mounted.
  • the lens 1 shown in Fig. 14 takes up a smaller volume.
  • FIG. 12, FIG. 13a, FIG. 13b, and FIG. 14 are merely for illustration.
  • the number of protrusions and the shape of the protrusion are not limited to those shown in the drawings. happening.
  • the outer edge of the projection may also be arcuate, similar to the curvature of the outer wall of the lens barrel 12.
  • the length of each of the projections extending in the axial direction of the optical axis of the lens and the length of the projections covering the circumferential direction of the lens barrel may be determined according to actual conditions.
  • the inactive area of the lens can be removed, thereby reducing the area of the lens.
  • the shape and size of the lens after removing the effective area can also be designed.
  • the opening and the overall shape of the lens barrel are designed to be the same shape as the lens after removing the non-effective area.
  • the shape of the lens barrel may be the same or similar to the shape of the lens after removing the non-effective area; according to the lens after removing the non-effective area
  • the size and size of the lens barrel can also be adjusted and reduced on the basis of the original, thereby further reducing the volume of the lens and facilitating installation.
  • the upper and lower portions of the inactive area may be cut away, and the remaining inactive areas 132a may be retained, as shown in Figure 15b.
  • the lens barrel can be designed according to the cut lens, and since the space occupied by the lens 13 in the longitudinal direction becomes small, the designed lens barrel can also be made shorter in the longitudinal direction in FIG. 15b, thereby effectively reducing The volume of the lens does not affect the quality of the captured image and the angle of view of the lens.
  • the upper, lower, left, and right portions of the inactive area may be cut out in the manner shown in FIG. 15c. After the cutting, the outer contour of the remaining inactive area 132b is rectangular. This can further reduce the area of the lens while also making the barrel smaller.
  • the shape of the lens may be other shapes after the non-effective area is removed, for example, the outer contour of the remaining inactive area may be other shapes such as an ellipse.
  • the projection 11 is further provided with a support portion 112 extending downward in a direction parallel to the outer wall of the lens barrel (parallel to the Y direction shown in Fig. 11).
  • a limiting plate can be mounted for limiting the extent of downward movement of the lens 1.
  • an elastic reset mechanism may be installed under the support portion 112 for assisting the lens 1 to be reset after the lens 1 is moved downward.
  • the elastic reset mechanism may be a spring piece, and the elastic piece may be fixed to the lens holder 3.
  • the inner wall; or the elastic return mechanism may be a spring.
  • the above-mentioned limiting plate and the elastic resetting mechanism may be used alternatively or in combination.
  • the above lens according to an embodiment of the present invention may be a wide-angle lens, a standard lens, a telephoto lens, or the like.
  • the lens module according to the present invention can be applied to various occasions, for example, can be applied to a mobile terminal as a conventional lens (the optical axis direction of the lens is parallel to the thickness direction of the terminal), or can be applied to a mobile terminal as a periscope lens module. In the case of being mounted on a mobile terminal, the optical axis of the lens is perpendicular to the thickness direction of the mobile terminal.
  • the following is an example of a periscope lens module.
  • the periscope lens module includes a housing 70 having a light passage 71 and further including a bracket 50.
  • FIG. 17 shows the internal structure of the periscope lens module after the housing 70 is removed. See Figure 17 It can be seen that the components packaged in the housing include the light steering mechanism 30, the lens 20, the lens driving element 40, the wiring board 60, the photosensitive chip 10, and the like.
  • the light steering mechanism 30 can change the direction of the light so that the light perpendicular to the optical axis direction of the optical lens 20 is parallel to the optical axis direction of the optical lens 20 after changing the direction, so that the light after changing direction passes through the optical lens.
  • the light turning mechanism 30 is capable of turning the light light through 90 degrees.
  • Light steering mechanism 30 further includes a light processing element 34 for improving the quality of light passing through.
  • the bracket 50 is used to connect the incident end of the lens driving element 40 and the steering base 33 of the light steering mechanism 30 such that the steering base 33 of the light steering mechanism 30 is adjustably disposed at the incident end of the lens driving element 40.
  • the optical axis direction of the optical lens 20 is perpendicular to the thickness direction of the mobile terminal. Since the lens barrel and the protruding portion of the optical lens are improved by the present invention, the two are integrally formed, so that the protrusion height of the periscope lens module on the thickness of the mobile terminal is effectively reduced.
  • the inactive area of the lens can be removed first, for example, as shown in Fig. 15b.
  • the lens barrel can also be designed to be flat, and the lens barrel can also have two arc-shaped sides, and the corresponding portion of the lens is two straight sides.
  • the projections 11a and 11c shown in Fig. 14 are located at no wider ends (the ends of the lens which are not cut).
  • the two straight sides of the lens barrel can be directed toward the screen and back side of the terminal, respectively, because the distance between the two straight sides is short (because the lens is cut off), and the positions of the two straight sides have no protrusions. Therefore, the thickness of the thickness periscope lens module can be reduced to meet the requirements of the mobile terminal for thinness and lightness.
  • the volume of the lens module can be effectively reduced, and the lens module can be more easily installed in a small space, thereby avoiding the problem of inaccurate focus and improving the stability of the camera. And durability, while also helping to reduce product defects and improve product quality.

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Abstract

一种用于潜望式摄像模组、镜头(1100,20)及镜头模组的棱镜装置,包括光转向机构(2000,30)、镜头机构(1000)、以及感光芯片(10),光转向机构(2000,30)安装于镜头机构(1000)的入光侧,感光芯片(10)安装于镜头机构(1000)的出光侧,光转向机构(2000,30)包括棱镜(2100)、棱镜座(2200)、支承轴(2400)以及基座(2600),其中,棱镜座(2200)设置于基座(2600)中,棱镜座(2200)具有与棱镜(2100)相对的支承面(2201),棱镜座(2200)还设有轴座(2209),轴座(2209)设置在支承面(2201)上与棱镜(2100)相对的另一面上,轴座(2209)上设有贯通的轴孔(2210),支承轴(2400)可转动地设置于轴孔(2210)中,支承轴(2400)与镜头机构(1000)中光学镜头(1100,20)的光轴垂直;支承面(2201)具有两个侧壁(2202),支承面(2201)与侧壁(2202)相交处设有向着远离支承面(2201)的方向凸起、沿着支承面(2201)和侧壁(2202)的交线(2204)延伸的支承台(2203)。采用棱镜座(2200)和支承轴(2400),能借助可以转动的棱镜(2100)实现防抖效果,且结构简单,易维护。

Description

具有镜头和棱镜装置的潜望式摄像模组 技术领域
本发明涉及摄像领域,尤其涉及具有镜头和棱镜装置的潜望式摄像模组。
背景技术
中国专利CN201480051999.0公开了反射镜倾斜致动,其中设有反射镜及支承反射镜的基座。根据该专利,采用不同的枢轴支承反射镜,并利用磁铁、FP线圈、霍尔传感器以及弹簧等元件控制反射镜,避免其在使用过程出现的抖动。
这种反射镜倾斜致动结构复杂,零件数量众多,制造维修复杂。
另外,马达是相机中的常用部件,用于驱动镜头和感光芯片进行相对运动,从而完成对焦。
随着智能手机技术的不断发展,智能手机中的相机也在朝着高清化、小型化的方向不断改进。目前,智能手机对于尺寸的要求非常高,这就导致手机中的安装空间非常有限。对于如何在有限的空间内安装小型化相机,同时不影响拍摄质量,是当今关注的重点问题。
目前,手机中的相机主要包括镜头模组和芯片模组,芯片模组包括感光芯片和线路板等,镜头模组则主要由镜头和马达组成。图10示出了手机中广泛采用的镜头模组的结构。在图10所示的镜头模组中,镜头和马达载体设置在镜座中,镜头和马达载体连接并固定。马达载体的外壁缠绕有线圈,镜座内部则可以设置有磁体,在通电后可以驱动马达载体带动镜头一起运动,从而完成对焦操作。
如图10所示,目前所采用的镜头模组中,镜头与马达载体之间通过螺纹连接。在使用过程中,镜头模组经常会受到振动等因素的影响,如果镜头与马达载体之间的扭力不够,镜头将很容易出现松脱,使保证镜头与感光芯片之间的距离发生变化,从而导致相机对焦不准的问题。手机相机中所采用的镜头和马达载体都是小型器件,如果单纯增大镜头与马达载体之间配合时的扭力,将 会导致器件发生损坏。因此,为了在增大镜头与马达载体之间配合扭力的同时不损坏镜头和马达载体,必须要求镜头和马达载体具有一定的机械强度,这样就需要镜头和马达载体在螺纹配合位置处的材料厚度更大。但是,如果将镜头和马达载体螺纹配合位置处的厚度增大,将会增加镜头模组的体积,从而导致相机的安装受限于手机中的安装空间,无法与手机轻薄化的要求相匹配。
针对上述问题,目前尚未提出有效的解决方案。
发明内容
针对相关技术中的问题,本发明提出一种潜望式摄像模组,能够均匀地分散棱镜自重,对棱镜实施牢固稳定的支持并防止镜头松脱。
为了实现上述目的,根据本发明的潜望式摄像模组包括光转向机构、镜头机构、以及感光芯片,光转向机构安装于镜头机构的入光侧,感光芯片安装于镜头机构的出光侧,其特征在于,光转向机构包括棱镜、棱镜座、支承轴以及基座,其中,棱镜座设置于基座中,棱镜座具有与棱镜相对的支承面,棱镜座还设有轴座,轴座设置在支承面上与棱镜相对的另一面上,轴座上设有贯通的轴孔,支承轴可转动地设置于轴孔中,支承轴与镜头机构中光学镜头的光轴垂直;支承面具有两个侧壁,支承面与侧壁相交处设有向着远离支承面的方向凸起、沿着支承面和侧壁的交线延伸的支承台。
根据本发明的一个方面,镜头机构包括光学镜头、对焦运动载体、以及镜头外壳,其中,光学镜头设置在对焦运动载体中,光学镜头在马达的驱动下在对焦运动载体中沿着与光学镜头的光轴垂直的方向上运动;并且,对焦运动载体设置在镜头外壳中,对焦运动载体在马达的驱动下在镜头外壳中沿与光学镜头的光轴平行的方向带动光学镜头运动。
根据本发明的一个方面,沿着与光学镜头在对焦运动载体中运动方向相垂直的方向,光学镜头中镜片的非有效区域可以至少部分地被去除,对焦运动载体以及镜头外壳的尺寸与非有效区域被去除后的镜片尺寸相符。
根据本发明的一个方面,沿着光学镜头在对焦运动载体中的运动方向,光学镜头具有与镜筒一体成型的突出部,突出部具有凹槽,凹槽中设置有磁铁或线圈,其中,突出部的数量为两个,位于光学镜头的两侧。
根据本发明的一个方面,上述镜头机构中进一步设置有与凹槽中磁铁或线圈相互作用的线圈或磁铁。
根据本发明的一个方面,镜头机构进一步包括第一线路板,第一线路板设置于镜头外壳,其中,突出部的凹槽中设置有磁铁,第一线路板上设置有与凹槽中的磁铁相互作用的线圈。
根据本发明的一个方面,上述对焦运动载体上设置有磁铁或线圈,镜头机构中进一步设置有与对焦运动载体上的磁铁或线圈相互作用的线圈或磁铁。
根据本发明的一个方面,上述镜头机构可以进一步包括第二线路板,第二线路板设置于镜头外壳,其中,对焦运动载体上设置有磁铁,第二线路板上设置有与对焦运动载体上的磁铁相互作用的线圈。
根据本发明的一个方面,支承轴的两端分别可旋转地安装于一个轴支撑件,轴支撑件安装在基座的侧壁。
根据本发明的一个方面,轴座上进一步设置有凹槽,凹槽中设置有至少两个磁铁,基座的底板具有开窗,基座以下设置有线路板,线路板上安装有线圈以及磁场传感器,在线路板以下设置有轭铁,其中,当线路板安装后,开窗与磁铁的位置对应。
根据本发明的一个方面,侧壁包括三角形部分、矩形部分和支承部分;三角形部分的斜边与支承面相交形成交线,三角形部分的一条直角边与矩形部分重合,三角形部分与矩形部分共平面;支承部分沿矩形部分的长度方向延伸,并沿着垂直于矩形部分的方向向着远离矩形部分的方向延伸。
根据本发明的一个方面,上述棱镜座具有定位部分,定位部分在两个支承台之间沿着支承面的一条边延伸,并与侧壁垂直,定位部分的一条边与支承台固定连接,另一条边为自由边。
根据本发明的一个方面,轴座的宽度(b)小于棱镜座的宽度(B);
根据本发明的一个方面,支承轴可转动地设置于支承轴套中,支承轴与支承轴套之间的径向间隙为5-12μm,支承轴套的轴向长度等于或小于轴座上轴孔的长度,支承轴套与棱镜座的轴孔固定连接。
根据本发明的一个方面,上述棱镜为直角三角形棱柱,其中一条直角边通过一个过渡段与直角三角形的斜边相连,过渡段垂直于直角边且其长度与支 承台的宽度相对应。
根据本发明的一个方面,棱镜以其直角三角形斜边所在的平面与支承面相对,过渡段抵靠在定位部分上,与过渡段相连的直角边所在平面的两侧边抵靠在支承部分上,以其直角三角形斜边所在的平面的两侧侧边抵靠在支承台上,棱镜与定位部分和支承台粘接固定,棱镜的平面在安装状态下的凸出与棱镜座。
根据本发明的一个方面,上述棱镜座为整体成型件。
为实现上述发明目的,根据本发明提供用于摄像模组的棱镜装置,包括棱镜,棱镜座,支承轴套和支承轴,磁铁,所述棱镜座具有与棱镜相对的支承面,所述支承面具有两个侧壁,所述支承面与所述侧壁相交处设有向着远离所述支承面的方向凸起、沿着所述支承面和所述侧壁的交线延伸的支承台。
根据本发明的一个方面,所述支承面侧壁包括三角形部分、矩形部分和支承部分;
所述三角形部分的斜边与所述支承面相交形成所述交线,所述三角形部分的一条直角边与所述矩形部分重合,所述三角形部分与所述矩形部分共平面;
所述支承部分沿所述矩形部分的长度方向延伸,并沿着垂直于所述矩形部分的方向向着远离所述矩形部分的方向延伸。
根据本发明的一个方面,所述棱镜座具有所述定位部分,所述定位部分在两个所述支承台之间沿着所述支承面的一条边延伸,并与所述侧壁垂直,所述定位部分的一条边与所述支承台固定连接,另一条边为自由边。
根据本发明的一个方面,所述棱镜座还设有轴座,所述轴座设置在所述支承面上与所述支承台相对的另一面上,其上设有贯通的轴孔和凹槽,所述轴座的宽度(b)小于所述棱镜座的宽度(B)。
根据本发明的一个方面,至少设有两个所述磁铁,所述磁铁设置于所述凹槽内。
根据本发明的一个方面,所述支承轴可转动地设置于所述支承轴套中,所述支承轴与所述支承轴套之间的径向间隙为5-12μm,所述支承轴套的轴向长度等于或小于所述轴座上轴孔的长度,所述支承轴套与所述棱镜座的 轴孔固定连接。
根据本发明的一个方面,所述棱镜为直角三角形棱柱,其中一条直角边通过一个过渡段与直角三角形的斜边相连,所述过渡段垂直于所述直角边且其长度与所述支承台的宽度相对应。
根据本发明的一个方面,所述棱镜以其直角三角形斜边所在的平面与支承面相对,所述过渡段抵靠在定位部分上,所述与过渡段相连的直角边所在平面的两侧边抵靠在支承部分上,以其直角三角形斜边所在的平面的两侧侧边抵靠在支承台上,棱镜与定位部分和支承台粘接固定,所述棱镜的平面在安装状态下的凸出与棱镜座。
根据本发明的一个方面,所述棱镜座为整体成型件。
根据本发明的潜望式摄像模组中,采用了棱镜座,棱镜座中设置了用于支承棱镜的支承台。支承台将在棱镜与支承面之间形成一个空间,使空气可以进入这个空间,从而实现光线在棱镜中的反射,有效地改变了入射光线的路线。同时,支承台还分别支承着棱镜,两个支承台分担了被支承棱镜的重量,使得棱镜能够被稳定牢固地支承在棱镜座上。另外,通过让棱镜座围绕支承轴转动,能够改变棱镜出射光的方向,进而借助可以转动的棱镜实现防抖的效果。
根据本发明,通过将镜头机构中的镜筒设计为能够在垂直于光轴的方向上运动,能够让镜头实现防抖运动,从而让棱镜执行竖直方向上的防抖运动,而让镜头执行水平方向上的防抖运动,使得镜头机构中不需要为光学镜头在竖直方向上的运动预留空间,有助于降低镜头机构的高度和整体体积,有助于安装。
根据本发明,由于镜头机构无需在竖直方向上运动进行防抖,所以能够在竖直方向上将镜片的非有效区域去除,由于镜片的形状改变,且尺寸变小,所以可以让镜筒、以及镜头机构的尺寸也相应减小,从而有助于安装。
根据本发明,通过在镜筒两侧设计一体成型的突出部,能够减小镜头机构在竖直方向上的高度;不仅如此,由于突出部为一体成型,所以镜筒无需借助螺纹与载体固定,进而避免为了增大螺纹固定的扭力而让固定位置处的材料加厚,所以能够减小镜头机构在水平方向上所占的空间。
根据本发明,通过让棱镜座绕支承轴转动,能够实现垂直方向上的防抖,结合镜头机构中的光学镜头在水平方向上沿垂直光轴方向上运动的方案,可以 在水平和垂直方向上均实现防抖,从而有效地改进了摄像模组的性能,提高了成像效果。
根据本发明,在棱镜座的一条下侧边缘上,还设置有定位部分。与之对应地,将棱镜本身的一个角部切削掉。这样,在将棱镜放置在棱镜座中的时候,用棱镜被切削掉的角部抵靠在棱镜座的定位部分上。定位部分进一步分担了棱镜的重量,使得棱镜被托在棱镜座中,阻止了棱镜因重力作用而在棱镜座中向下滑动的趋势。这将使得棱镜在安装的过程中更加稳定。
根据本发明,在棱镜座上还设置有两个支承部分。这两个支承部分分别设置在棱镜座的两个侧壁上。支承部分与定位部分、侧壁一起,对放置于棱镜组中的棱镜起到固定和定位的作用,同时也分担着支承棱镜的作用。由于支承部分的存在,进一步阻止了棱镜在棱镜座中向下滑动的趋势。
由于本发明的棱镜座具有上述结构,因此在将棱镜放置在棱镜座中,并在定位部分、支承台上涂覆胶水将棱镜粘接在棱镜座中的时候,会有效防止棱镜在棱镜座的滑动或移动,有效阻止和控制棱镜的向下滑动的趋势,使其稳定地被保持在棱镜座不动。
这种结构保证了棱镜的在预定的正确位置被安装在棱镜座中,从而提高了成像质量。
根据本发明,支承轴套和支承轴之间的径向间隙被严格控制在5-10μm。这种间隙能够有效控制棱镜在运动的过程的晃动、运动到预定位置以后保持位置的正确与准确,严格地控制了因径向间隙而导致棱镜的晃动。与此同时,这种间隙保证棱镜顺畅地运动,即支承轴套相对支承轴的顺畅转动。尤其是,这种间隙在保证棱镜位置正确、减少棱镜本身晃动的同时,还保证了小的驱动力。具体而言,这种间隙保证驱动棱镜的阻力非常小。
针对相关技术中的问题,本发明提供一种镜头及镜头模组,能够避免镜头松脱,同时还能够满足镜头的小型化要求。
为实现上述目的,本发明提供了一种镜头,包括镜筒以及一个或多个镜片,镜片设置在镜筒中,镜筒设置有突出部,突出部与镜筒一体成型,突出部开设有凹槽。
根据本发明的一个方面,上述突出部一体形成在镜筒的外壁上,并沿着 镜筒的径向向外凸起,凹槽沿着镜筒的径向在凸起位置的外侧开设。
根据本发明的一个方面,突出部的数量可以为一个,并且突出部环绕镜筒的外壁,凹槽为环形槽。
根据本发明的一个方面,突出部的数量可以为多个,且多个突出部沿着镜头的周向均布,每个突出部均具有凹槽。可选地,上述突出部的数量为2个。
根据本发明的一个方面,在与外壁的相对侧,突出部还可以设置有沿与镜筒外壁平行方向朝下延伸的支撑部。
根据本发明的一个方面,镜片的非有效区域被去除,镜筒的截面形状与去除非有效区域后镜片的形状相同。
为实现上述目的,本发明提供了一种镜头模组,包括镜座以及镜头,其中,镜头安装在镜座内,镜头包括镜筒以及一个或多个镜片,镜片设置在镜筒中,镜筒设置有突出部,突出部与镜筒一体成型,突出部开设有凹槽;在突出部的凹槽中设置有磁体或线圈,镜座内设置有与凹槽中的磁体或线圈相互作用的线圈或磁体。
根据本发明的一个方面,镜座设置有载体,与凹槽中的磁体或线圈相互作用的线圈或磁体设置于载体。
根据本发明的一个方面,突出部一体形成在镜筒的外壁上,并沿着镜筒的径向向外凸起,凹槽沿着镜筒的径向在凸起位置的外侧开设。
根据本发明的一个方面,上述突出部的数量可以为一个,并且突出部环绕镜筒的外壁,凹槽为环形槽,环形槽内设置有磁体或线圈。可选地,环形槽内设置的线圈可以为AF线圈或OIS线圈。
根据本发明的一个方面,突出部的数量可以为多个,且多个突出部沿着镜头的周向均布,每个突出部具有凹槽,每个凹槽内设置有磁体或线圈。
根据本发明的一个方面,突出部的数量可以为2个,且每个突出部的凹槽中所设置的磁体为OIS磁体或AF磁体。
根据本发明的一个方面,在与外壁的相对侧,突出部还设置有沿与镜筒外壁平行方向朝下延伸的支撑部,支撑部以下设置有限位板和/或弹性复位机构。
根据本发明的一个方面,弹性复位机构可以为弹簧或弹片。
根据本发明的一个方面,上述镜片的非有效区域被去除,镜筒的截面形状与去除非有效区域后镜片的形状相同。
根据本发明的一个方面,上述镜头模组为用于移动终端的潜望式镜头模组,在安装于移动终端的情况下,镜头的光轴与移动终端的厚度方向垂直。
本发明能够实现以下技术效果:
(1)本发明通过在镜筒的侧壁一体形成突出部,有效避免了传统技术中因为分体式连接而导致器件厚度增大以及器件在配合时损坏的问题,能够有效减小了镜头模组的体积,让镜头模组更容易地安装在狭小的空间内;另外,由于镜筒和突出部一体化形成,所以不存在松脱的问题,有效避免了对焦不准的问题,能够让相机的稳定性、耐用性更好;
(2)由于突出部与镜筒一体化形成且从镜筒的侧壁凸起,所以突出部能够更好地与镜座中的限位板、或复位机构等结构相互作用,在带动镜筒和镜片一起运动时性能更好,耐用性更强;
(3)由于突出部与镜筒之间无螺纹配合,所以避免了将两者螺纹连接时因摩擦而产生粉尘,防止镜片被粉尘污染而出现瑕疵,而且还能够避免将镜头与马达载体通过螺纹组装时而导致安装倾斜的问题,有助于提高产品质量;
(4)本发明通过将镜片的无效区域切除,并将镜筒设计为与切除后镜片的尺寸相匹配,能够在不影响拍摄质量的情况下,减少镜头的体积,从而进一步减小了镜头模组所需的安装空间;
(5)本发明的镜头可作为潜望式镜头模组应用于移动终端,镜头的光轴垂直于移动终端的厚度方向,此时,一体化形成的镜头和突出部能够减少侧壁镜头侧壁的厚度,相当于降低了潜望式镜头模组在移动终端厚度方向上的高度;在此基础上,通过将突出部的数量设计为2个,能够进一步降低镜头模组的高度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是 本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是根据本发明的潜望式摄像模组的分解示意图;
图2是根据本发明的潜望式摄像模组中镜头机构的分解示意图;
图3a是示出镜片有效区域和非有效区域的示意图;
图3b是将图3a中镜片的非有效区域去除的示意图;
图4是根据本发明的光转向机构的截面图;
图5是本发明用于摄像模组的棱镜装置的组装后立体示意图;
图6是本发明用于摄像模组的棱镜装置的分解示意图;
图7是本发明用于摄像模组的棱镜装置的棱镜座立体示意图;
图8是本发明用于摄像模组的棱镜装置的棱镜座背面的立体示意图;
图9是本发明用于摄像模组的棱镜装置的侧视示意图。
图10是根据相关技术的镜头模组的截面图;
图11是根据本发明一个实施例的镜头模组的截面图;
图12是根据本发明一个实施例的镜头的俯视图;
图13a和图13b分别是根据本发明另一实施例的镜头的俯视图和侧视图;
图14是根据本发明再一实施例的镜头的俯视图;
图15a是示出镜片有效区域和非有效区域的示意图;
图15b和图15c是通过不同方式将图15a中镜片的非有效区域去除的示意图;
图16是根据本发明一实施例的潜望式镜头模组的结构图;
图17是图16所示潜望式镜头模组的内部结构图;
图18是图16所示潜望式镜头模组安装到移动终端后的示意图。
具体实施方式
此说明性实施方式的描述应与相应的附图相结合,附图应作为完整的说明书的一部分。在附图中,实施例的形状或是厚度可扩大,并以简化或是方便标示。再者,附图中各结构的部分将以分别描述进行说明,值得注意的是,图中未示出或未通过文字进行说明的元件,为所属技术领域中的普通技术人员所知 的形式。
此处实施例的描述,有关方向和方位的任何参考,均仅是为了便于描述,而不能理解为对本发明保护范围的任何限制。相关术语,如“更低”、“更高”、“水平的”、“垂直的”、“在上”、“在下”、“上”、“下”、“顶部”和“|底部”以及其派生词(如“水平地”、“向下地”、“向上地”等等)均应被解释为说明中描述的或附图中示出所讨论的方位。这些相关术语仅仅为了方便描述,而不应认为是对仪器设备的解释或者在特定方位上的具体操作。术语,如“附上……的”(attached)、“固定于……的”、“相连的”和“彼此相连的”指代一种关系,其中结构被直接或间接地通过插入结构,固定或附着于另一结构,除非有明确的描述,所述结构包括可移动的、或者固定不动的、或者相关联的。此外,本发明的特点和优点通过参照优选实施方案进行说明。因此,优选实施方式说明可能的非限定的特征的组合,这些特征可能独立存在或者组合存在,本发明并不特别地限定于优选的实施方式。本发明的范围由权利要求书所界定。
根据本发明的实施例,提供了一种潜望式摄像模组,该潜望式摄像模组可应用于移动终端,例如可以是手机等。根据本发明实施例的潜望式摄像模组包括光转向机构、镜头机构以及感光芯片,镜头机构中包括镜头、以及马达等驱动部件。
图1示出了根据本发明一个实施例的潜望式摄像模组。在图1所示的实施例中,将光转向机构2000与镜头机构1000进行了分解。其中,镜头机构1000与光转向机构2000可以通过固定孔和固定销进行定位(如图1中虚线箭头所示),在固定孔和固定销的周围区域可以通过画胶的方式进行密封。另外,在镜头机构1000的侧壁边缘处,可以具有限位槽,而在光转向机构外壳的对应位置处具有延长的侧壁,在安装时可以通过焊接(例如,激光焊接等方式)将两者固定连接。参见图1光转向机构2000具有线路板2800,镜头机构1000具有光学镜头1100;在将光转向机构2000与镜头机构1000安装后,光转向机构2000将位于镜头机构1000的入光侧。另外,图1中省略了感光芯片,实际上,感光芯片安装于镜头机构1000的出光侧。在其他实施例中,光转向机构2000与镜头机构1000可以不通过固定销与固定孔的方式进行定位,而是可以通过诸如卡扣、插接等多种其他方式来彼此定位,在将两者固定时,也可以 通过除激光焊接之外的其他方式。
图2是根据本发明一个实施例的镜头机构1000的分解示意图。
如图2所示,镜头机构1000包括光学镜头1100、对焦运动载体1200以及镜头外壳1300。其中,光学镜头1100设置在对焦运动载体1200中,光学镜头1100在马达的驱动下可以在对焦运动载体1200中沿着与光学镜头1100的光轴垂直的水平方向上运动(即图2中所示的X方向),从而实现防抖;并且,对焦运动载体1200设置在镜头外壳1300中,对焦运动载体1200在马达的驱动下可以在镜头外壳1300中沿与光学镜头1100的光轴平行的方向带动光学镜头1100运动(即,沿着图2中所示的Z方向运动),从而完成对焦。
为了驱动对焦运动载体1200进行运动,可以在对焦运动载体1200上设置磁铁或线圈,镜头机构1000中则进一步设置有与对焦运动载体1200上的磁铁或线圈相互作用的线圈或磁铁。在一个实施例中,镜头机构1000进一步包括第二线路板1500,第二线路板1500设置于镜头外壳1300。例如,对焦运动载体1200的侧面上则设置有磁铁,可以设置在镜头外壳1300的侧面,第二线路板1500上设置有与对焦运动载体1200上的磁铁相互作用的线圈。
在一个实施例中,镜头外壳1300内壁上可以设置有沿着Z方向延伸的导向槽,对焦运动载体1200可以通过设置在导向槽内的滚珠在镜头外壳1300内沿着Z方向运动。在其他实施例中,还可以采用其他结构,使对焦运动载体1200在镜头外壳1300内运动。
通常情况下,镜头1100的镜片具有有效区域和非有效区域,如图3a所示,有效区域为图3a中的阴影所示。在本发明的一个实施例中,可以沿着与光学镜头1100在对焦运动载体1200中运动方向相垂直的方向(即,图2中所示的Y方向),将光学镜头1100中镜片的非有效区域部分去除,去除后的镜片在Y方向上所占的空间明显降低。这样,就可以根据切除后的镜片设计光学镜头1100的镜筒,由于镜片的在纵向上所占的空间变小,所以镜筒、对焦运动载体1200以及镜头外壳1300同样可以在图2和图3b中所示的Y方向上变得更短,从而有效减小了镜头机构的体积和高度,而且不会影响拍摄图像的质量以及镜头的视场角。
进一步地,参见图2所示的实施例,沿着光学镜头1100在对焦运动载体 1200中的运动方向即图2中所示的X方向,光学镜头1100具有与镜筒一体成型的两个突出部1101位于光学镜头1100的两侧,每个突出部1101均具有凹槽1102,凹槽1102中设置有磁铁或线圈,镜头机构1000中则进一步设置有与凹槽1102中磁铁或线圈相互作用的线圈或磁铁。这样,能够让光学镜头1100在对焦运动载体1200中沿着X方向运动,以实现防抖;并且,由于突出部1101并没有占据Y方向上的空间,所以不会增加镜头机构的整体高度;另外,由于突出部1101与镜头1100的镜筒一体成型,具有良好的机械强度,而且相比于镜筒与突出部分体式的设计方案,能够避免因为将突出部与镜筒固定而增大材料的厚度,使得一体成型后的镜头1100在X方向上所占的空间更小,有助于在狭小的区域中安装。
在一个实施例中,镜头机构1000进一步包括第一线路板1400,第一线路板1400设置于镜头外壳1300,在图2所示的实例中,突出部1101的开口朝向镜头外壳1300的侧面,所以第一线路板1400也可以安装在镜头外壳1300的侧面。具体而言,突出部1101的凹槽1102中可以设置有磁铁,第一线路板1400上设置有与凹槽1102中的磁铁相互作用的线圈,该线圈能够驱动凹槽1102中的磁铁,进而让光学镜头在对焦运动组件1200中沿着X方向运动。
在一个实施例中,对焦运动载体1200的内壁可以安装滚珠,该滚珠可以安装在导向槽中,借助于滚珠,使光学镜头1100在对焦运动载体1200内部沿X方向运动。在其他实施例中,还可以采用其他的结构或部件,使光学镜头1100在对焦运动载体1200内运动。
图4是根据本发明实施例的光转向机构2000的截面图。
如图4所示,根据本发明实施例的光转向机构2000包括棱镜2100、棱镜座2200、支承轴2400以及基座2600。其中,棱镜座2200设置于基座2600中,棱镜座2200支撑安装有棱镜2100,棱镜座2200还设有轴座2209(参见图8所示),棱镜座2200上设有贯通的轴孔2210(实际上,轴孔2210设置在轴座2209),支承轴2400可转动地设置于轴孔2210中(参见图6所示),支承轴2400与镜头机构1000中光学镜头1100的光轴垂直。
基座2600的底板2601具有开窗,棱镜座2200底部对应开窗的位置安装有至少一个磁铁2500,基座2600以下设置有线路板2800,在对应开窗的位置 处,线路板2800安装有线圈2801以及磁场传感器2802(可以是霍尔传感器)。线路板以下安装有轭铁2803。
下面将结合附图和具体实施例,对光转向机构中的棱镜装置进行详细描述。这里所述的棱镜装置主要包括基座2600中所容纳的棱镜2100、棱镜座2200、支承轴2400、磁铁2500等。
图5以立体图的形式示意性表示了根据本发明的一种实施方式的用于摄像模组的棱镜装置,该棱镜装置主要用于具有潜望镜式摄像头模组的移动终端,例如手机等设备。
这种用于摄像模组的棱镜装置包括棱镜2100、棱镜座2200、支承轴套2300和支承轴2400。棱镜2100固定设置在棱镜座2200中,从图中可以清晰地看出,在组装状态下,棱镜2100的上表面突出与棱镜座2200。支承轴套2300固定安装在棱镜座2200的下部,即棱镜座2200上与安装棱镜2100相对的另一侧。支承轴2400可转动地安装在支承轴套2300中。
图6是根据本发明一种实施方式中用于摄像模组的棱镜装置的分解示意图,主要表示了根据本发明的棱镜装置中各个组成部分的相互位置关系。如图6所示,棱镜2100的横截面基本呈直角三角形,图中所示的棱镜2100处于横置的状态。如图所示,直角三角形的一条直角边所在的平面朝上设置。这样,棱镜2100上直角三角形的斜边所在平面面对棱镜座2200,并支承于其中。
如图6所示,棱镜2100的右下角被切割掉,形成一个过渡段2101。这样,棱镜2100的横截面的轮廓只是大致呈直角三角形,而实际上是一个多边形,或者是四边形,其横截面形状不是规则的几何形状。
如图6所示,在根据本发明的一种实施方式中,支承轴套2300与支承轴2400相互配合用于支承整个棱镜座2200和棱镜2100,使之可以围绕支承轴2400转动。
支承轴套2300中设有一个贯通孔2301,支承轴2400插入贯通孔2301中。贯通孔2301的直径大于支承轴2400的外径。两者直径之差为5-12μm。两者直径之差构成支承轴套2300和支承轴2400之间的径向间隙。这个径向间隙保证了棱镜座2200和棱镜2100能够自由顺畅地围绕着支承轴2400转动,同时还保证在运动过程中,贯通孔2301不会对支承轴2400发生很大的接触和摩擦。 因此,这样间隙有效减小了驱动棱镜2100和棱镜座2200运动的驱动力,保证了能够根据需要将棱镜2100调节到所需要的位置,并且保证棱镜2100在支承轴2400不会发生晃动。这将直接保证成像清晰,得到高质量的图像。
图7和8以立体图的方式表示了根据发明的棱镜座2200。如图所示,根据本发明的一种实施方式的棱镜座2200大致由两个三棱柱组成,两个三棱柱一大一小,两者的斜面相互相对设置。下面将根据附图7和8详细描述棱镜座2200的结构和形状。
如图7所示,棱镜座2200主要呈一个中空的三棱柱形状。棱镜座2200包括一个支承面2201和两个侧壁2202。支承面2201为矩形形状,侧壁2202基本上为三角形。侧壁2202与支承面2201垂直设置,并且设置在支承面2201的两个相对的边上。
如图7所示,在支承面2201与侧壁2202相交处形成一条交线2204。图7中仅表示出一条交线2204所处的位置,以及其与支承面2201和侧壁2202之间的关系。但是,由于两个侧壁2202是对称设置的,所以在另一个侧壁2202与支承面2201相处也具有交线2204。由于两者相对对称设置,所以在本发明中仅对图7中表示出的一个做详细的描述,另一个与之完全相同。
棱镜座2200上,沿着交线2204延伸地设置有支承台2203。支承台2203是一个细长的矩形体,其横截面为矩形,长度与支承面2201的对应边的长度相对应。显然,支承台2203设置在支承面2201相对的两边上,两者相互平行、分别沿着各自相对的交线2204延伸。两个支承台2203向上面,图中以英文字母Z表示,相互平行地处于一个平面。由此,两个支承台2203构成对棱镜2100的支承。也就是说,在安装状态下,棱镜2100的两个相对的边分别贴靠在支承台2203上。这种安装方式,将使得棱镜2100的三角形斜边所在的面与棱镜座2200的支承面2201之间相互不接触,相互有一定的间隔。空气可以进入这个间隔所形成的空间中。由于空气的存在,保证了棱镜2100能够对入射光形成全反射。具体地,就是棱镜2100将入射光线折转90°以后,再折射出去,从而实现光线的折射。
如图7所示,在棱镜座2200的下部边缘上,也就是底边处,设有定位部分2208。从图中可以看出,定位部分2208是一个细长的平面。这个平面沿着 支承面2201的下边缘与支承面2201形成一定角度地延伸,并与支承面2201相连接。从图中还可以看出,在定位部分2208在与支承台2203相交的部分处,支承台2203的长度与支承面2201的长度相等,都是终止与定位部分2208。
图7中还表示了棱镜座2200所包含的两个支承部分2207。这两个支承部分2207分别与两个侧壁2202相对,设置在侧壁2202的端部,并与侧壁2202相互垂直。
结合图6和7可以看出,在将棱镜2100放置于棱镜座2200中的时候,图6中所示的棱镜2100的过渡段2101抵靠在棱镜座2200的定位部分2208上,其另一条边的两个端部则抵靠在支承部分2207上。此时,棱镜2200上三角形斜边所在的平面的两个侧边分别抵靠在棱镜座2200的两个支承台2203上。这样,棱镜2200被固定在棱镜座2200中。分别设置在两个侧壁2202上的支承部分2207将棱镜2200阻挡在棱镜座2200中。与此同时,根据本发明的棱镜组2200还具有定位部分2208,当棱镜2100被放置在棱镜座2200中以后,定位部分2208托住棱镜2100上的过渡段2101,由此使得棱镜2在安装状态下不会由于其自身重量的原因而进一步下滑或移动。
在将棱镜2100放置棱镜座2200中之前,要在支承台2203上涂覆胶水,以便下一步将棱镜2100放入后,通过固化胶水而将两者相互粘接固定。在这个过程中,在胶水尚未固化时,由于棱镜2100自身重量的原因,有沿着支承台2203向下滑动的趋势。这将导致棱镜2100的全部重量均集中在支承部分2207与侧壁2202和支承面2201的连接部位上,这将对此连接部分的强度提出严苛的要求。如果此处发生任何不希望的变形或形变,都将导致棱镜2100在棱镜座2200中的安装位置、姿态不正确,达不到预定要求。最终将使得成像质量变差。而根据本发明,在棱镜座2200的下边缘出设置了定位部分2208,由于托住棱镜2100,使得棱镜2100的重量由定位部分2208所承担,而不是集中作用于上述的连接部位上。这种结构设置,有效且明显地分散了棱镜2100的重量,减少了对承担棱镜2100固定和定位作用的各个部分的强度要求,从而使根据发明的棱镜座2200的重量得以减少。
如图7所示,棱镜座2200的侧壁2202包括一个三角形部分2205和一个矩形部分2206。三角形部分2205与矩形部分2206相互共平面,并平滑连接。 三角形部分2205主要与棱镜2100的三角形侧面或三角形横截面相对应,而其矩形部分2206主要与支承部分2207相对应。
如图7所示,侧壁2202设置在支承面2201的两侧,即设置在呈矩形形状的支承面2201的两条相对的边上。侧壁2202的上边缘由一条横向的连接边2212相互连接。如图7所示,两个侧壁2202的上边缘和连接边2212处于同一个平面中。如图5所示,在安装状态下,棱镜2100的上表面凸出于有侧壁2202的上边缘和连接边2212所构成的平面。
图8以另一个视角表示了根据本发明的棱镜座2200的后面的结构和形状。从图8可以看出,根据本发明的棱镜座2200还具有一个轴座2209。所述轴座2209的形状也基本上是一个横截面为三角形的棱柱体。在轴座2209上设有一个轴孔2210,该轴孔2210贯穿轴座2209的宽度,在轴座2209中形成一个贯通孔。这种轴孔2210用于容纳支承轴套2300。
如图8所示,轴座2209在宽度方向上比支承面2201的宽度小,在长度方向上也小于支承面2201的长度。轴座2209的三角形的斜面与支承面2201的背面相互贴合,形成一体。由此,轴座2209的底面在图中向上。在轴座2209的底面上设有用于容纳磁铁的凹槽2211。凹槽2211为矩形凹槽,只要能够容纳驱动根据本发明的棱镜装置运动的磁铁即可。
图9是根据本发明的用于摄像模组的棱镜装置的侧视图。图9表示了根据本发明的棱镜装置中侧壁2202与轴座2209之间的形状比例关系以及相应的位置关系。同时,示出了支承轴套2300在轴座2209中的安装状态。
在根据本发明的一种实施方式中,用于摄像模组的棱镜装置中的棱镜座2200可以是一个整体注塑而成的整体。支承轴套2300也是一个整体模注的圆柱体。
在实际使用前,需要将根据本发明的用于摄像模组的棱镜装置组装在一起。首先在棱镜座2200的支承台2203和定位部分2208上涂覆上胶水,然后将棱镜2100放置在棱镜座2200中。此时,棱镜2100将被支承台2203所支承,不会与棱镜座2200的支承面2201相接触。棱镜2100仅仅在两个边缘处两个被支承台2203所支承。
此外,由于棱镜2100的一个角部被切除,由此形成的过渡段2101在棱镜 2100被放置在棱镜座2200中的时候便贴靠在定位部分2208上。这样,棱镜2100的一部分重量将由定位部分2208所承担。具体地,棱镜2100除去被支承台2203所支承外,还被位于其下部的定位部分2208所托举,从而阻止了棱镜2100沿着两个支承台2203向下滑动的趋势。
棱镜座2200的侧壁2202上还设有支承部分2207。当棱镜2100被放置在棱镜座2200中以后,两个支承部分2207分别支承着棱镜2100的两个角部分。这样,支承部分2207也分担了部分棱镜2100的重量。
在棱镜2100被上述部分分别支承定位以后,使胶水固化,从而将棱镜2100牢固地粘接在棱镜座2200上。
正是由于采用上述不同部分支承、托举着棱镜,所以使得棱镜2100的重量被分散支承。各个承担支承棱镜的部分只承担棱镜2100的一分部重量,所以使得整个棱镜座2200的结构得以减薄、减小、减轻。由此,使得驱动更薄、更轻、更小的棱镜座2200的驱动力得以减小。驱动力的减小,直接导致用于移动设备或终端的摄像模组的体积减小。
根据本发明的潜望式摄像模组中,采用了棱镜座,棱镜座中设置了用于支承棱镜的支承台。支承台将在棱镜与支承面之间形成一个空间,使空气可以进入这个空间,从而增强光线在棱镜中的反射,有效地改变了入射光线的路线。同时,支承台还分别支承着棱镜,两个支承台分担了被支承棱镜的重量,使得棱镜能够被稳定牢固地支承在棱镜座上。另外,通过让棱镜座围绕支承轴转动,能够改变棱镜出射光的方向,进而借助可以转动的棱镜实现防抖的效果。
根据本发明,通过将镜头机构中的镜筒设计为能够在垂直于光轴的方向上运动,能够让镜头实现防抖运动,从而让棱镜执行竖直方向上的防抖运动,而让镜头执行水平方向上的防抖运动,使得镜头机构中不需要为光学镜头在竖直方向上的运动预留空间,有助于降低镜头机构的高度和整体体积,有助于安装。
根据本发明的实施例,还提供了一种镜头以及包含该镜头的镜头模组。
根据本发明的镜头可以包括镜筒以及一个或多个镜片,镜片设置在镜筒中。
图11是根据本发明一个实施例的镜头模组的截面图。
图11所示的镜头模组中,镜头的光轴沿纵向延伸(即图11中所示的Y方向),另外,图11中没有分别示出镜筒和镜片,而是将两者作为镜头1统一 示出。如图11所示,镜头1设置在镜座3内,镜座3具有开口,该开口与镜头1的镜头开口相对应,考虑到拍摄图像的视场角,镜座3的开口可以大于镜筒的开口,以避免影响图像拍摄。
继续参照图11,镜头1的镜筒设置有突出部11,突出部11与镜筒一体成型,突出部11开设有凹槽111。凹槽111沿着镜头1的径向在凸起位置的外侧开设,开口朝向镜头1以外。
在一个实施例中,镜座内3可以具有载体(未示出),该载体上设置有磁体(未示出),在突出部11的凹槽111中设置有线圈(未示出),在通电后,突出部11的线圈与镜座3内的磁体之间产生磁力,从而驱动突出部11带动镜头1在镜座3内运动,例如,可以完成对焦操作。在另一实施例中,凹槽111中也可以设置磁体,而在镜座3内的载体(未示出)上盘绕线圈,同样可以驱动突出部11带动镜头1在镜座3内运动,例如,可以完成对焦。
由于镜头1的镜筒与突出部11一体形成,所以镜筒与突出部11之间无螺纹配合,相应地,无需增加镜筒侧壁以及突出部11的厚度,即可保证两者之间的刚性强度。因此,相比于图10所示传统技术中的镜头模组,图11所示的镜头模组在图11中所示的X方向上所占的空间更小。
当图11所示的镜头模组应用于手机时,镜头1的光轴与手机的厚度方向平行,从而降低了镜头模组在手机中所占的宽度,便于在手机中安装。
图12是根据本发明一个实施例的镜头的俯视图。在图12所示的实施例中,镜头1的镜筒12为圆形,突出部11的数量为一个,并且突出部11环绕镜筒12(参见图12中阴影区域)的外壁,相应地,突出部11的凹槽(图12中未示出)为环形槽。在该环形槽中,可以缠绕线圈,或者安装磁体。在缠绕线圈时,所缠绕的线圈可以是AF线圈,AF线圈用于与镜座3内的磁体发生作用,让AF线圈带动镜头1运动,从而完成对焦操作。或者,环形槽中缠绕的线圈也可以是OIS线圈,该OIS线圈能够在镜座3内磁体作用下带动镜头1运动,从而实现防抖的作用。
在其他实施例中,上述环形槽中也可以安装磁体,此时,镜座3内可以安装有与该磁体相互作用的线圈。此时,镜座3内安装的磁体将在镜座3内线圈的作用下,带动镜头运动,从而实现自动对焦和/或防抖的目的。
由于突出部11与镜筒12一体形成,所以突出部11突出于镜筒12的高度小,从而减小了镜头1的体积。
图13a是根据本发明另一实施例的镜头的俯视图。在图13a所示的实施例中,突出部的数量为4个,分别为突出部11a、11b、11c和11d,这4个突出部与镜筒12一体形成,且沿着镜头1(镜筒12)的圆周方向均匀设置。
图13b是图13a所示出镜头的侧视图。图13b示出了突出部11b、11c和11d,突出部11a位于突出部11b正对的背侧。如图13b所示,突出部11c具有向内(朝向镜筒12)下凹的凹槽111c,图13b还以虚线示出了突出部11b的凹槽111b、以及突出部11c的凹槽111c。
在图13a和13b所示的实施例中,4个突出部的凹槽不连通,此时,可以在4个突出部的凹槽中安装磁体。当图13a和图13b所示的镜头1安装在镜座3中的情况下,可以在镜座3的内部盘绕线圈(可以是OIS线圈,也可以是AF线圈),以便在通电时驱动镜头1运动(实现防抖和/或自动对焦操作)。
图14是根据本发明再一实施例的镜头的俯视图。在图14所示的实施例中,突出部的数量为2个,包括突出部11a和11c。与图13a和图13b所示的实施例类似,图14中所示的突出部11a和11c均具有凹槽,凹槽中可以安装磁体。相比于图13a和图13b所示的实施例,图14所示的镜头1所占体积更小。
应当注意的是,图12、图13a、图13b以及图14所示的实施例仅仅用于说明,在实际设计时,突出部的数量以及突出部的形状均不局限于附图中所示的情况。例如,在突出部数量为2个的情况下,突出部的外边缘同样可以是圆弧状,与镜筒12外壁的弧度类似。另外,每个突出部沿镜头光轴的轴向延伸的长度、以及突出部沿镜筒圆周方向覆盖的长度均可以根据实际情况来确定。
此外,在一个实施例中,可以将镜片的非有效区域去除,从而减小镜片的面积,相应地,对于镜筒整体外形和开口形状,也可以根据去除有效区域后镜片的形状和尺寸进行设计,将镜筒的开口和整体形状设计为与去除非有效区域后的镜片形状相同,例如,镜筒的形状可以和去除非有效区域后镜片的形状相同或类似;根据去除非有效区域后的镜片尺寸,镜筒的尺寸也可以在原基础上调节缩小,从而能够进一步减小镜头的体积,便于进行安装。
参见图15a,假设镜片13的有效区域131为图15a中阴影部分所示,有 效区域131周围则是非有效区域132。为了减小镜头以及整个镜头模组的体积,可以将非有效区域132的一部分去除。
例如,在一个实施例中,可以参见图15b所示的方式,将上、下两部分非有效区域进行切除,剩余非有效区域132a保留。此时,可以根据切除后的镜片设计镜筒,由于镜片13的在纵向上所占的空间变小,所以设计的镜筒同样可以在图15b中的纵向上变得更短,从而有效减小了镜头的体积,而且不会影响拍摄图像的质量以及镜头的视场角。在另一实施例中,可以参见图15c所示的方式,将上、下、左、右四部分非有效区域进行切除,在切除后,剩余非有效区域132b的外轮廓形状为矩形。这样能够进一步减小镜片的面积,同时也让镜筒的体积更小。
在其他没有示出的实施例中,去除非有效区域后,镜片的形状还可以是其他形状,例如,可以让剩余非有效区域的外轮廓为椭圆形等其他形状。
继续参见图11,在图11所示的实施例中,突出部11还设置有沿与镜筒外壁平行方向(与图11中所示Y方向平行)朝下延伸的支撑部112。在一个进一步实施例中,在镜座1所容纳的空间内,位于该支撑部112的下方,可以安装有限位板,用于限定镜头1向下运动的幅度。在另一个实施例中,该支撑部112的下方可以安装有弹性复位机构,用于在镜头1向下运动之后帮助镜头1复位,该弹性复位机构可以是弹片,弹片可以固定在镜座3的内壁;或者,弹性复位机构可以是弹簧。
此外,上述限位板和弹性复位机构可以择一使用,也可以组合使用。
根据本发明实施例的上述镜头可以是广角镜头、标准镜头和长焦镜头等。
根据本发明的镜头模组可以应用于多种场合,例如,可以作为常规镜头应用于移动终端(镜头光轴方向与终端厚度方向平行),或者也可以作为潜望式镜头模组应用于移动终端,在安装于移动终端的情况下,镜头的光轴与移动终端的厚度方向垂直。
下面将以潜望式镜头模组为例进行说明。
如图16所示,潜望式镜头模组包括一壳体70,壳体70具有一通光通道71,并且还包括支架50。
图17示出了在将壳体70移除后潜望式镜头模组的内部结构。参见图17 可以看出,壳体内封装的部件包括光转向机构30、镜头20、镜头驱动元件40、线路板60和感光芯片10等。
其中,光转向机构30能够改变光线方向,以使垂直于光学镜头20的光轴方向的光线在改变方向后平行于光学镜头20的光轴方向,从而使改变方向后的光线在穿过光学镜头20后被感光芯片接收以成像。优选地,光转向机构30能够使光线转向90度。光转向机构30进一步包括一光处理元件34,用于改善穿过的光线品质。
支架50被用于连接镜头驱动元件40的入射端和光转向机构30的转向基座33,从而使光转向机构30的转向基座33被可调整地设置于镜头驱动元件40的入射端。
如图18所示,在将潜望式镜头模组安装到移动终端后,光学镜头20的光轴方向垂直于移动终端的厚度方向。由于本发明对光学镜头的镜筒和突出部进行了改进,将两者变为一体形成,所以有效降低了潜望式镜头模组在移动终端厚度上的凸起高度。
在具体应用中,对于图14所示的镜头,可以首先将镜片的非有效区域进行去除,例如,可以参照图15b所示的方式。这样,就可以将镜筒也设计为类似扁平状,此时的镜筒同样可以具有两个圆弧状的边,而对应镜片被切除的部分则是两条直边。图14所示的突出部11a和11c位于没有较宽的两端(镜片没有被切除的两端)。在安装时,可以将镜筒的两个直边分别朝向终端的屏幕和背侧,由于两个直边之间的距离较短(由于镜片被切除),并且两个直边的位置没有突出部,所以能够降低厚度潜望式镜头模组的厚度,满足移动终端对于轻薄的要求。
综上所述,借助于本发明的技术方案,能够有效减小了镜头模组的体积,让镜头模组更容易地安装在狭小的空间内,避免对焦不准的问题,提高相机的稳定性和耐用性,同时还有助于减少产品瑕疵,提高产品质量。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (43)

  1. 一种潜望式摄像模组,包括光转向机构、镜头机构、以及感光芯片,所述光转向机构安装于所述镜头机构的入光侧,所述感光芯片安装于所述镜头机构的出光侧,其特征在于,所述光转向机构包括棱镜、棱镜座、支承轴以及基座,其中,
    所述棱镜座设置于所述基座中,所述棱镜座具有与棱镜相对的支承面,所述棱镜座还设有轴座,所述轴座设置在所述支承面上与所述棱镜相对的另一面上,所述轴座上设有贯通的轴孔,所述支承轴可转动地设置于所述轴孔中,所述支承轴与所述镜头机构中光学镜头的光轴垂直;
    所述支承面具有两个侧壁,所述支承面与所述侧壁相交处设有向着远离所述支承面的方向凸起、沿着所述支承面和所述侧壁的交线延伸的支承台。
  2. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述镜头机构包括光学镜头、对焦运动载体、以及镜头外壳,其中,所述光学镜头设置在对焦运动载体中,所述光学镜头在马达的驱动下在所述对焦运动载体中沿着与所述光学镜头的光轴垂直的方向上运动;
    并且,所述对焦运动载体设置在镜头外壳中,所述对焦运动载体在马达的驱动下在所述镜头外壳中沿与所述光学镜头的光轴平行的方向带动所述光学镜头运动。
  3. 根据权利要求2所述的潜望式摄像模组,其特征在于,沿着与所述光学镜头在所述对焦运动载体中运动方向相垂直的方向,所述光学镜头中镜片的非有效区域至少部分地被去除,所述对焦运动载体以及所述镜头外壳的尺寸与非有效区域被去除后的镜片尺寸相符。
  4. 根据权利要求3所述的潜望式摄像模组,其特征在于,沿着所述光学镜头在所述对焦运动载体中的运动方向,所述光学镜头具有与镜筒一体成型的突出部,所述突出部具有凹槽,所述凹槽中设置有磁铁或线圈,其中,所述突出部的数量为两个,位于所述光学镜头的两侧。
  5. 根据权利要求4所述的潜望式摄像模组,其特征在于,所述镜头机 构中进一步设置有与所述凹槽中磁铁或线圈相互作用的线圈或磁铁。
  6. 根据权利要求5所述的潜望式摄像模组,其特征在于,所述镜头机构进一步包括第一线路板,所述第一线路板设置于所述镜头外壳,其中,所述突出部的凹槽中设置有磁铁,所述第一线路板上设置有与所述凹槽中的磁铁相互作用的线圈。
  7. 根据权利要求2所述的潜望式摄像模组,其特征在于,所述对焦运动载体上设置有磁铁或线圈,所述镜头机构中进一步设置有与所述对焦运动载体上的磁铁或线圈相互作用的线圈或磁铁。
  8. 根据权利要求7所述的潜望式摄像模组,其特征在于,所述镜头机构进一步包括第二线路板,所述第二线路板设置于所述镜头外壳,其中,所述对焦运动载体上设置有磁铁,所述第二线路板上设置有与所述对焦运动载体上的磁铁相互作用的线圈。
  9. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述支承轴的两端分别可旋转地安装于一个轴支撑件,所述轴支撑件安装在所述基座的侧壁。
  10. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述轴座上进一步设置有凹槽,所述凹槽中设置有至少两个磁铁,所述基座的底板具有开窗,所述基座以下设置有线路板,所述线路板上安装有线圈以及磁场传感器,在所述线路板以下设置有轭铁,其中,当所述线路板安装后,所述开窗与所述磁铁的位置对应。
  11. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述侧壁包括三角形部分、矩形部分和支承部分;
    所述三角形部分的斜边与所述支承面相交形成所述交线,所述三角形部分的一条直角边与所述矩形部分重合,所述三角形部分与所述矩形部分共平面;
    所述支承部分沿所述矩形部分的长度方向延伸,并沿着垂直于所述矩形部分的方向向着远离所述矩形部分的方向延伸。
  12. 根据权利要求1或11所述的潜望式摄像模组,其特征在于,所述棱镜座具有定位部分,所述定位部分在两个所述支承台之间沿着所述支承 面的一条边延伸,并与所述侧壁垂直,所述定位部分的一条边与所述支承台固定连接,另一条边为自由边。
  13. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述轴座的宽度(b)小于所述棱镜座的宽度(B);
    所述支承轴可转动地设置于支承轴套中,所述支承轴与所述支承轴套之间的径向间隙为5-12μm,所述支承轴套的轴向长度等于或小于所述轴座上轴孔的长度,所述支承轴套与所述棱镜座的轴孔固定连接。
  14. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述棱镜为直角三角形棱柱,其中一条直角边通过一个过渡段与直角三角形的斜边相连,所述过渡段垂直于所述直角边且其长度与所述支承台的宽度相对应。
  15. 根据权利要求10所述的潜望式摄像模组,其特征在于,所述棱镜以其直角三角形斜边所在的平面与支承面相对,所述过渡段抵靠在定位部分上,所述与过渡段相连的直角边所在平面的两侧边抵靠在支承部分上,以其直角三角形斜边所在的平面的两侧侧边抵靠在支承台上,棱镜与定位部分和支承台粘接固定,所述棱镜的平面在安装状态下的凸出与棱镜座。
  16. 根据权利要求1所述的潜望式摄像模组,其特征在于,所述棱镜座为整体成型件。
  17. 用于摄像模组的棱镜装置,包括棱镜,棱镜座,支承轴套和支承轴,磁铁,其特征在于,所述棱镜座具有与棱镜相对的支承面,所述支承面具有两个侧壁,所述支承面与所述侧壁相交处设有向着远离所述支承面的方向凸起、沿着所述支承面和所述侧壁的交线延伸的支承台。
  18. 根据权利要求17所述的用于摄像模组的棱镜装置,其特征在于,所述支承面侧壁包括三角形部分、矩形部分和支承部分;
    所述三角形部分的斜边与所述支承面相交形成所述交线,所述三角形部分的一条直角边与所述矩形部分重合,所述三角形部分与所述矩形部分共平面;
    所述支承部分沿所述矩形部分的长度方向延伸,并沿着垂直于所述矩形部分的方向向着远离所述矩形部分的方向延伸。
  19. 根据权利要求17或18所述的用于摄像模组的棱镜装置,其特征 在于,所述棱镜座具有所述定位部分,所述定位部分在两个所述支承台之间沿着所述支承面的一条边延伸,并与所述侧壁垂直,所述定位部分的一条边与所述支承台固定连接,另一条边为自由边。
  20. 根据权利要求17至19之一所述的用于摄像模组的棱镜装置,其特征在于,所述棱镜座还设有轴座,所述轴座设置在所述支承面上与所述支承台相对的另一面上,其上设有贯通的轴孔和凹槽,所述轴座的宽度(b)小于所述棱镜座的宽度(B)。
  21. 根据权利要求17或20所述的用于摄像模组的棱镜装置,其特征在于,至少设有两个所述磁铁,所述磁铁设置于所述凹槽内。
  22. 根据权利要求17或20所述的用于摄像模组的棱镜装置,其特征在于,所述支承轴可转动地设置于所述支承轴套中,所述支承轴与所述支承轴套之间的径向间隙为5-12μm,所述支承轴套的轴向长度等于或小于所述轴座上轴孔的长度,所述支承轴套与所述棱镜座的轴孔固定连接。
  23. 根据权利要求17所述的用于摄像模组的棱镜装置,其特征在于,所述棱镜为直角三角形棱柱,其中一条直角边通过一个过渡段与直角三角形的斜边相连,所述过渡段垂直于所述直角边且其长度与所述支承台的宽度相对应。
  24. 根据权利要求23所述的用于摄像模组的棱镜装置,其特征在于,所述棱镜以其直角三角形斜边所在的平面与支承面相对,所述过渡段抵靠在定位部分上,所述与过渡段相连的直角边所在平面的两侧边抵靠在支承部分上,以其直角三角形斜边所在的平面的两侧侧边抵靠在支承台上,棱镜与定位部分和支承台粘接固定,所述棱镜的平面在安装状态下的凸出与棱镜座。
  25. 根据权利要求17所述的用于摄像模组的棱镜装置,其特征在于,所述棱镜座为整体成型件。
  26. 一种镜头,包括镜筒以及一个或多个镜片,所述镜片设置在所述镜筒中,其特征在于,所述镜筒设置有突出部,所述突出部与所述镜筒一体成型,所述突出部开设有凹槽。
  27. 根据权利要求26所述的镜头,其特征在于,所述突出部一体形成 在所述镜筒的外壁上,并沿着所述镜筒的径向向外凸起,所述凹槽沿着所述镜筒的径向在凸起位置的外侧开设。
  28. 根据权利要求26所述的镜头,其特征在于,所述突出部的数量为一个,并且所述突出部环绕所述镜筒的外壁,所述凹槽为环形槽。
  29. 根据权利要求26所述的镜头,其特征在于,所述突出部的数量为多个,且多个所述突出部沿着所述镜头的周向均布,每个所述突出部均具有凹槽。
  30. 根据权利要求29所述的镜头,其特征在于,所述突出部的数量为2个。
  31. 根据权利要求26所述的镜头,其特征在于,在与所述外壁的相对侧,所述突出部还设置有沿与镜筒外壁平行方向朝下延伸的支撑部。
  32. 根据权利要求26所述的镜头,其特征在于,所述镜片的非有效区域被去除,所述镜筒的截面形状与去除非有效区域后所述镜片的形状相同。
  33. 一种镜头模组,其特征在于,包括镜座以及镜头,其中,所述镜头安装在所述镜座内,所述镜头包括镜筒以及一个或多个镜片,所述镜片设置在所述镜筒中,所述镜筒设置有突出部,所述突出部与所述镜筒一体成型,所述突出部开设有凹槽;在所述突出部的凹槽中设置有磁体或线圈,所述镜座内设置有与凹槽中的磁体或线圈相互作用的线圈或磁体。
  34. 根据权利要求33所述的镜头模组,其特征在于,所述镜座设置有载体,与凹槽中的磁体或线圈相互作用的线圈或磁体设置于所述载体。
  35. 根据权利要求33所述的镜头模组,其特征在于,所述突出部一体形成在所述镜筒的外壁上,并沿着所述镜筒的径向向外凸起,所述凹槽沿着所述镜筒的径向在凸起位置的外侧开设。
  36. 根据权利要求33所述的镜头模组,其特征在于,所述突出部的数量为一个,并且所述突出部环绕所述镜筒的外壁,所述凹槽为环形槽,所述环形槽内设置有磁体或线圈。
  37. 根据权利要求36所述的镜头模组,其特征在于,所述环形槽内设置的所述线圈为AF线圈或OIS线圈。
  38. 根据权利要求33所述的镜头模组,其特征在于,所述突出部的数 量为多个,且多个所述突出部沿着所述镜头的周向均布,每个突出部具有凹槽,每个凹槽内设置有磁体或线圈。
  39. 根据权利要求38所述的镜头模组,其特征在于,所述突出部的数量为2个,且每个突出部的凹槽中所设置的磁体为OIS磁体或AF磁体。
  40. 根据权利要求33所述的镜头模组,其特征在于,在与所述外壁的相对侧,所述突出部还设置有沿与镜筒外壁平行方向朝下延伸的支撑部,所述支撑部以下设置有限位板和/或弹性复位机构。
  41. 根据权利要求40所述的镜头模组,其特征在于,所述弹性复位机构为弹簧或弹片。
  42. 根据权利要求33所述的镜头模组,其特征在于,所述镜片的非有效区域被去除,所述镜筒的截面形状与去除非有效区域后所述镜片的形状相同。
  43. 根据权利要求33至42中任一项所述的镜头模组,其特征在于,所述镜头模组为用于移动终端的潜望式镜头模组,在安装于移动终端的情况下,所述镜头的光轴与所述移动终端的厚度方向垂直。
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