WO2021013100A1 - 一种镜头、摄像头模组和电子设备 - Google Patents

一种镜头、摄像头模组和电子设备 Download PDF

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Publication number
WO2021013100A1
WO2021013100A1 PCT/CN2020/102792 CN2020102792W WO2021013100A1 WO 2021013100 A1 WO2021013100 A1 WO 2021013100A1 CN 2020102792 W CN2020102792 W CN 2020102792W WO 2021013100 A1 WO2021013100 A1 WO 2021013100A1
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WO
WIPO (PCT)
Prior art keywords
lens
area
lens barrel
camera module
cut
Prior art date
Application number
PCT/CN2020/102792
Other languages
English (en)
French (fr)
Inventor
林威智
张嘉淳
江海霞
霍介光
Original Assignee
华为技术有限公司
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
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to US17/628,375 priority Critical patent/US20220283409A1/en
Priority to EP20843049.6A priority patent/EP3993386A4/en
Priority to KR1020227005437A priority patent/KR20220035473A/ko
Priority to JP2022503570A priority patent/JP2022541051A/ja
Publication of WO2021013100A1 publication Critical patent/WO2021013100A1/zh

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Classifications

    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • 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
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
    • 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
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
    • 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
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/52—Details of telephonic subscriber devices including functional features of a camera

Definitions

  • the embodiments of the present application relate to the field of terminal technology, and in particular to a lens, a camera module, and an electronic device.
  • the shooting function is already an indispensable function for electronic devices (such as mobile phones, tablets, etc.).
  • electronic devices In order to obtain good image quality and camera effects, electronic devices will install multiple cameras to provide a wide range of photography functions.
  • the camera device mainly includes a front camera and a rear camera.
  • the front camera is set on the side facing the display screen of the electronic device, and the rear camera is set on the side facing the back cover of the electronic device.
  • the front camera mainly includes: lens, support base, filter, photosensitive element and flexible circuit board (FPC).
  • FPC flexible circuit board
  • the lens includes a lens barrel 1 and arranged in the lens barrel 1 in sequence: a first lens G1, a first light shielding sheet M1, a second lens G2, a second light shielding sheet M2, The third lens G3, the third shading sheet M3, the first spacer S11, the fourth shading sheet M4, the fourth lens G4, the fifth shading sheet M5, the second spacer S12, the sixth shading sheet M6, and the fifth lens G5 ⁇ 2.
  • the effective diameter of the fourth lens and the fifth lens increases, resulting in a larger outer diameter and volume of the lens barrel, so that the lens occupies a larger space in the mobile phone, and the area on the display screen opposite to the lens ( For example, the Notch area is larger, which reduces the screen-to-body ratio of the display screen.
  • the embodiments of the application provide a lens, a camera module, and an electronic device, which reduce the volume and bottom width of the lens, reduce the space occupied by the lens in the electronic device, reduce the area of the opening on the display screen, and improve The screen-to-body ratio of the display screen.
  • the first aspect of the embodiments of the present application provides a lens, which is applied to a camera module with a photosensitive element, and includes: a lens barrel, and a front lens group and a rear lens group arranged in the lens barrel, the front lens group being close to On the object side, the rear lens group is close to the image side.
  • the lens near the image side in the rear lens group includes: an optically effective portion and a non-optically effective portion surrounding the outer edge of the optically effective portion.
  • the optically effective portion includes: an effective diameter area and at least one first cut edge
  • the non-optically effective portion includes: a first ineffective area and a second ineffective area, the first ineffective area is along the effective
  • the outer edge of the diameter area is arranged, the second ineffective area is arranged along the first cut edge, and the outer edge of the second ineffective area is provided with a second trimming;
  • the lens barrel is close to the rear lens
  • the outer side wall of the group has at least one cut surface, and the second cut edge faces the cut surface in the lens barrel.
  • the outer side wall of the lens barrel close to the rear lens group has at least one cut surface
  • the optically effective part of the lens near the image side in the lens group has at least one first cut edge
  • the second non-effective area of the non-optically effective part has a second Trimming, on the one hand, reduces the width of the bottom of the lens, so that the volume of the lens is reduced, so that the space occupied by the lens in the mobile phone is reduced, so that more components can be set in the mobile phone.
  • the width of the end of the lens close to the lens mount (that is, the width of the bottom of the lens) is reduced.
  • notch screens For notch screens, water drop screens or perforated screens, the width of the openings on the display is reduced, and the abnormal shape on the display
  • the area (such as the Notch area) decreases, and the screen-to-body ratio of the display screen of the mobile phone increases.
  • the outer edge of the second non-effective area has a second cut edge, which ensures the optical performance of the lens near the image side in the lens group.
  • the rest of the second spacer and the rest area of the pressure ring can overlap and support the second ineffective area and the first ineffective area of the lens, so that the pressure ring and the second spacer are
  • the supporting effect of the lens at the first cut edge makes the entire outer edge of the lens bear against the pressure ring and the second spacer, which ensures that the lens is more stable when assembled in the lens barrel. In addition, it avoids pressure
  • the ring and the second spacer block the effective diameter area of the lens.
  • the number of the first cut edges is two, and the two first cut edges are arranged symmetrically with respect to the center of the optical effective portion.
  • this facilitates the assembly of the lens in the lens barrel, and on the other hand, ensures that the optical effective diameter area between the two first cut edges of the lens will not affect the imaging, and the normal imaging effect is maintained after the lens is trimmed.
  • the distance between the two first cut edges is greater than or equal to the short side width of the photosensitive element.
  • the width of the second ineffective area is 0.1-0.65 mm.
  • the second non-effective area on the lens close to the first cut edge can be supported in the lens barrel, and the optical effective part of the lens can be supported by the spacers and pressure rings on both sides after trimming, avoiding both sides of the lens The support ring and spacers of the lens and the non-optical effective part of the lens.
  • the lens barrel includes a front lens barrel, a middle lens barrel, and a rear lens barrel, and the outer side wall of the rear lens barrel includes the cut surface and an arc-shaped side surface connected with the cut surface.
  • the front lens barrel is closer to the object side, and the rear lens barrel is closer to the image side. In this way, the width of the end of the lens barrel near the image side is reduced, and the volume of the bottom of the lens barrel is reduced, which takes up less space in the electronic device.
  • the inner wall of the rear lens barrel close to the cut surface has a plurality of straight bearing sections
  • the inner wall of the rear lens barrel close to the arc side surface has a plurality of arc bearing sections.
  • the outer side wall of the rear barrel has two cut surfaces and two arc-shaped side surfaces, and the two cut surfaces are symmetrically arranged with respect to the center line of the barrel.
  • the distance between the two tangent surfaces is h1, 0.8h2 ⁇ h1 ⁇ h2, and the h2 is the maximum distance between the two arc-shaped surfaces. This ensures that the trimmed lens barrel can meet the imaging requirements.
  • the rear lens group includes at least two lenses
  • the lens near the front lens group of the at least two lenses includes: an optically effective portion and a non-optical effective portion, and the outer edge of the non-optically effective portion of the lens near the front lens group has a third cut edge, the The third cutting edge faces the cutting surface.
  • the rear lens group includes three lenses, and the middle lens between the two lenses and the lens near the image side of the three lenses include the effective diameter area , At least one of the first cut edge, the first ineffective area, the second ineffective area, and the second cut edge.
  • the optically effective portion of the lens near the image side in the rear lens group and the lens in the middle of the rear lens group are trimmed, so that the width of the two lenses of the rear lens group is reduced.
  • it further includes: at least two spacers located in the lens barrel, one of the at least two spacers is located between the front lens group and the rear lens group The remaining spacers in the at least two spacers are located between the non-optically effective portions of two adjacent lenses in the rear lens group.
  • the spacer can be used to separate adjacent lenses by a predetermined interval, thereby meeting the requirements of the optical path in the lens.
  • the spacer located between two adjacent lenses in the rear lens group includes: an arc-shaped section and a straight section, and the arc-shaped section and the straight section are enclosed by In a ring structure, the straight section faces the cut surface. In this way, the arc section and the straight section can respectively bear against the first ineffective area and the second ineffective area on the edge-trimmed lens.
  • it further includes: a pressing ring connected to the inner wall of one end of the lens barrel facing the image side, and the rear lens group is located between the front lens group and the pressing ring between;
  • the pressing ring includes an arc-shaped area and a flat area, and the flat area faces the cut surface.
  • the pressure ring can fix the lens group in the lens barrel in the lens barrel.
  • the arc area and flat area of the pressure ring can be respectively connected with the first ineffective area and the second area of the trimmed lens.
  • the two non-effective areas are supported, so that the pressing ring presses the non-optical effective part near the outer edge of the lens on the image side to ensure that the lens group is reliably assembled in the lens barrel.
  • the front lens group includes at least three lenses, and a light-shielding sheet is arranged between the non-optical effective portions of two adjacent lenses among the three lenses.
  • the second aspect of the embodiments of the present application provides a camera module, which at least includes:
  • a flexible board, a photosensitive element, a bracket, a filter, and any of the aforementioned lenses the bracket is located between the lens and one end of the flexible board, and the photosensitive element is located between the flexible board and the lens At the opposite end, the filter is located between the photosensitive element and the lens.
  • the volume of the lens in the camera module is reduced, and the width of the bottom part of the lens is reduced.
  • the volume occupied by the camera module in the electronic device is reduced, other devices can be installed in the electronic device, and the opening area for the lens on the display screen is reduced, which increases the screen-to-body ratio of the display screen.
  • a third aspect of the embodiments of the present application provides an electronic device, which at least includes:
  • a display screen, a back cover, a middle frame and at least one of the aforementioned camera modules, the display screen and the back cover are respectively located on both sides of the middle frame, and the camera modules are arranged on the middle frame ,
  • the lens of the camera module faces the display screen or faces the back cover.
  • the openings for placing the camera on the display screen of the electronic device are reduced, the area of the special-shaped area (such as the Notch area) on the display screen is reduced, and the screen-to-body ratio of the electronic device is larger.
  • the space occupied by the camera module in the electronic device is reduced, and the space saved in this way makes the arrangement of the devices in the electronic device more convenient on the one hand, and on the other hand, more devices can be arranged in the electronic device.
  • the camera module is a front camera module, or the camera module is a rear camera module.
  • the camera module is a front camera module
  • the size of the opening on the display can be reduced, the screen-to-body ratio can be increased, and the front camera module can be reduced.
  • the rear camera module can be reduced. The size of the opening opened in the cover for placing the rear camera module reduces the space occupied by the rear camera in the electronic device.
  • the number of the camera modules is two, one of the camera modules is a rear camera module, and the other of the camera modules is a front camera module. This not only reduces the size of the opening on the display screen, but also reduces the size of the opening on the back cover for placing the rear camera module. In addition, it saves the front camera module and the rear camera module in the electronic equipment. The space occupied.
  • FIG. 1 is a schematic cross-sectional structure diagram of a conventional lens
  • FIG. 2 is a schematic diagram of the structure of the lens barrel in the existing lens
  • FIG. 3 is a schematic diagram of the structure of an electronic device provided by an embodiment of the application.
  • FIG. 4 is a schematic diagram of an exploded structure of an electronic device provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of a split structure of a display screen in an electronic device provided by an embodiment of the application.
  • FIG. 6 is a schematic diagram of the structure of a display screen and a front camera in an electronic device provided by an embodiment of the application;
  • FIG. 7A is a schematic structural diagram of a front camera in an electronic device provided by an embodiment of the application.
  • FIG. 7B is a schematic diagram of an exploded structure of a front camera in an electronic device provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of a partial cross-sectional structure of a front camera, a display screen, a frame, and a back cover in an electronic device according to an embodiment of the application;
  • FIG. 9 is a schematic diagram of an exploded structure of a lens in a front camera of an electronic device according to an embodiment of the application.
  • FIG. 10 is a schematic cross-sectional structure diagram of a lens in a front camera of an electronic device provided by an embodiment of the application;
  • FIG. 11 is a schematic structural diagram of a lens barrel in a front camera of an electronic device provided by an embodiment of the application;
  • FIG. 12 is a schematic diagram of the structure of the bottom end surface of the lens in the front camera of the electronic device according to an embodiment of the application;
  • FIG. 13 is a schematic diagram of a cross-sectional structure of a lens barrel in a front camera of an electronic device according to an embodiment of the application;
  • FIG. 14 is a schematic diagram of a three-dimensional structure of a lens barrel in a front camera of an electronic device according to an embodiment of the application;
  • 15 is a schematic diagram of the structure of the fifth lens in the front camera of the electronic device provided by an embodiment of the application;
  • 16 is a schematic diagram of the structure of the fifth lens and the photosensitive element in the front camera of the electronic device according to an embodiment of the application;
  • FIG. 17 is a schematic structural diagram of a fourth lens in a front camera of an electronic device according to an embodiment of the application.
  • FIG. 18 is a schematic cross-sectional structure diagram of the second spacer in the front camera of the electronic device according to an embodiment of the application;
  • FIG. 19 is a schematic diagram of another exploded structure of the lens in the front camera of the electronic device according to an embodiment of the application.
  • 2144-fourth non-effective area 215-fifth lens; 2151-effective diameter area; 2152-first non-effective area;
  • 2153-second ineffective area 2154-first cut edge; 2155-second cut edge; 216-sixth lens; 216a-press ring;
  • 217a-Second spacer 2171-arc section; a1-arc inner zone; a2-arc outer zone; 2172-straight section; b1-straight inner zone;
  • c2-ring-shaped bearing section c3-arc bearing section; d1-optical effective part; d2-non-optical effective part; 22-lens holder;
  • An electronic device includes, but is not limited to, mobile phones, tablet computers, laptop computers, ultra-mobile personal computers (UMPC), handheld computers, walkie-talkies, netbooks, POS machines, personal digital Mobile or fixed terminals with cameras such as personal digital assistant (PDA), driving recorder, and security equipment.
  • UMPC ultra-mobile personal computers
  • PDA personal digital assistant
  • driving recorder driving recorder
  • the mobile phone 100 is the above electronic device as an example for description.
  • the display of the mobile phone 100 provided in the embodiment of the present application may be a water drop screen or a notch screen.
  • the following description takes the water drop screen as an example.
  • the mobile phone 100 may include a display screen 10 and a back cover 60, and a middle frame 30, a circuit board 40 and a battery 50 may be arranged between the display screen 10 and the back cover 60.
  • the circuit board 40 and the battery 50 may be arranged on the middle frame 30, for example, the circuit board 40 and the battery 50 may be arranged on the side of the middle frame 30 facing the back cover 60, or the circuit board 40 and the battery 50 may be arranged on the middle frame 30 The side facing the display screen 10.
  • the circuit board 40 when the circuit board 40 is arranged on the middle frame 30, an opening can be opened on the middle frame 30 for placing the components on the circuit board 40 in the opening of the middle frame 30.
  • the battery 50 can be connected to the charging management module and the circuit board 40 through the power management module.
  • the power management module receives input from the battery 50 and/or the charging management module and is a processor, internal memory, external memory, display screen 10, and camera. And power supply such as communication module.
  • the power management module can also be used to monitor the capacity of the battery 50, the number of cycles of the battery 50, and the health status of the battery 50 (leakage, impedance) and other parameters.
  • the power management module may also be provided in the processor of the circuit board 40.
  • the power management module and the charging management module may also be provided in the same device.
  • the display screen 10 may be an organic light-emitting diode (Organic Light-Emitting Diode, OLED) display or a liquid crystal display (Liquid Crystal Display, LCD).
  • OLED Organic Light-Emitting Diode
  • LCD Liquid Crystal Display
  • the back cover 60 may be a metal back cover, a glass back cover, a plastic back cover, or a ceramic back cover.
  • the material of the back cover 60 is not limited.
  • the middle frame 30 may include a metal middle plate 32 and a frame 31.
  • the frame 31 is arranged one round around the outer circumference where the metal middle plate 32 is arranged.
  • the frame 31 may include a top frame, a bottom frame, a left frame, and a right frame.
  • the top frame, the bottom frame, the left frame, and the right frame form a ring 31.
  • the metal middle plate 32 may be an aluminum plate, an aluminum alloy, or a magnesium alloy.
  • the frame 31 may be a metal frame or a ceramic frame.
  • the metal middle frame 30 and the frame 31 can be clamped, welded, bonded or integrally formed, or the metal middle frame 30 and the frame 31 are fixedly connected by injection molding.
  • the mobile phone 100 may include, but is not limited to, the structure shown in FIG. 4, and the back cover 60 of the mobile phone 100 may be connected with the frame 31 to form a unibody back cover.
  • the mobile phone 100 may It includes: a display screen 10, a metal middle plate 32, and a battery cover.
  • the battery cover may be a back cover formed by a frame 31 and a back cover 60 in one piece (Unibody). In this way, the circuit board 40 and the battery 50 are located in the space enclosed by the metal middle plate 32 and the battery cover.
  • the mobile phone 100 may further include a camera module and a flash (not shown), and the camera module may include a front camera module 20 and a rear camera (not shown).
  • the rear camera and the flash can be arranged on the side of the metal middle plate 32 facing the rear cover 60, and the rear cover 60 is provided with mounting holes for the flash and a part of the rear camera.
  • the front camera module 20 may be arranged on the side of the metal middle plate 32 facing the display screen 10.
  • the installation positions of the front camera module 20 and the rear camera include but are not limited to the above description. Among them, in some embodiments, the number of the front camera module 20 and the rear camera provided in the mobile phone 100 may be 1 or N, and N is a positive integer greater than 1.
  • the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the mobile phone 100.
  • the mobile phone 100 may include more or fewer components than shown, or combine certain components, or split certain components, or arrange different components.
  • the illustrated components can be implemented in hardware, software, or a combination of software and hardware.
  • the display screen 10 may include a transparent protective cover 12 and a display module 13.
  • the transparent protective cover 12 may be, for example, a glass cover or a sapphire cover.
  • the display module 13 may be an OLED display module, or the display module 13 may be a liquid crystal display module.
  • the liquid crystal display module may include a liquid crystal panel 132 and a backlight element 131.
  • the backlight element 131 is provided under the liquid crystal panel 132 for providing the liquid crystal panel 132 with A backlight source.
  • the opening 11 when the opening 11 is provided on the liquid crystal display module 13, the opening 11 may be a through hole or a blind hole.
  • the opening 11 may be provided on the backlight element 131, so that the opening formed on the liquid crystal display module 13
  • the hole 11 is a blind hole, or as shown in FIG. 6, the opening 11 formed by the liquid crystal panel 132 and the backlight element 131 is a through hole.
  • the display screen 10 also includes a touch panel (TP).
  • the touch panel can be arranged between the display module 13 and the transparent protective cover 12 (ie TP on cell), or the touch panel can be set In the film layer of the display module 13 (ie, TP in cell), the display module 13 is used to output display content to the user, and the touch panel is used to receive touch events input by the user on the display screen 10.
  • the front camera module 20 may include: a lens 21, a lens mount 22, a holder 24 (Holder), a flexible printed circuit (FPC) 26, and a connector 27.
  • the lens 21 is connected to the lens mount 22, the lens mount 22 is connected to the bracket 24, the lens 21 is fixed to the bracket 24 through the lens mount 22, the bracket 24 is fixed to one end of the flexible board 26, and the connector 27 is fixed to the other end of the flexible board 26 .
  • the lens mount 22 and the bottom end of the lens 21 can be connected by welding, clamping or bonding, and the lens mount 22, the bracket 24 and the flexible circuit board 40 are fixedly connected by bonding.
  • the material of the bracket 24 can be plastic or metal.
  • the front camera module 20 shown in FIG. 7B is a camera with a fixed focal length, and when the front camera module 20 is a camera with a variable focal length, the front camera module 20 may also include a focus module (not shown) ⁇ ), a focus module such as a focus motor, the focus motor can be arranged on the bracket 24.
  • a focus module such as a focus motor
  • the front camera module 20 further includes: a filter 23 (Filter) and a photosensitive element 25.
  • the filter 23 may be located between the lens mount 22 and the bracket 24, for example, the filter 23 may Covering the hollow area of the support 24, the photosensitive element 25 is arranged on one end of the flexible board 26, and the support 24 is arranged around the outer edge of the photosensitive element 25.
  • the filter 23 may be an infrared filter, and the filter 23 may filter infrared light to prevent the infrared light from entering the lens 21 and affecting imaging.
  • the photosensitive element 25 may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
  • the connector 27 is used to electrically connect the flexible board 26 and the image processing unit (ISP) on the circuit board 40, and the image processing unit (ISP) is electrically connected to the digital processing unit (DSP).
  • the image processing unit (ISP) and the digital processing unit (DSP) can be separately provided on the circuit board 40, or the image processing unit (ISP) and the digital processing unit (DSP) can be integrated together and provided on the circuit board 40.
  • the shutter is opened, the light passes through the lens 21 and is transmitted to the photosensitive element 25 through the filter 23.
  • the optical signal is converted into an electrical signal, and the photosensitive element 25 transmits the electrical signal to the ISP through the flexible board 26 and the connector 27.
  • ISP converts electrical signals into digital image signals
  • ISP outputs digital image signals to DSP for processing
  • DSP converts digital image signals into standard RGB, YUV and other format image signals.
  • the front camera module 20 when the front camera module 20 is installed in the mobile phone 10, one end of the front camera module 20 may be fixed to the metal middle plate 32, and the lens 21 of the front camera module 20 The head may be located in the opening 11 of the display screen 10.
  • the lens 21 may include a lens barrel 219, a lens group located in the lens barrel 219, at least one light-shielding film (for example, a first light-shielding film 218b and a second light-shielding film 218a), and at least one The spacers (for example, the first spacer 217b and the second spacer 217a) and the pressure ring 216a.
  • a light-shielding film for example, a first light-shielding film 218b and a second light-shielding film 218a
  • the spacers for example, the first spacer 217b and the second spacer 217a
  • the inner wall of the lens barrel 219 is provided with a supporting portion 2190 for supporting the lens group, light shielding sheet, and pressing ring 216a, so that when the lens group, light shielding sheet, spacer and pressing ring 216a are assembled in the lens barrel 219, Overlap and support each other.
  • the pressing ring 216a is used for the pressing of the final lens assembly to ensure the stability of each lens assembly.
  • the spacer can separate adjacent lenses by a preset distance.
  • the shading sheet is used for stray light at the outer edge of the lens. Occlude.
  • the lens group may include a front lens group and a rear lens group. The front lens group is close to the object side, and the rear lens group is close to the image side. In the embodiment of the present application, for example, the front lens group includes three The lens and the rear lens group include two lenses as an example for description.
  • each lens may be a plastic lens (Plastic) or a glass lens (Glass), or part of the lenses in the lens group may be a plastic lens, and some of the lenses may be a glass lens.
  • the lens group may include a first lens 211, a second lens 212, a third lens 213, a fourth lens 214 and a fifth lens 215 from the object side to the image side.
  • the front lens group may include a first lens 211, a second lens 212, and a third lens 213, and the first lens 211 is close to the object side.
  • the rear lens group may include a fourth lens 214 and a fifth lens 215, and the fifth lens 215 in the rear lens group is close to the image side.
  • the image side is the imaging side
  • the object side is the side of the object being photographed.
  • each lens includes an optically effective portion d1 and a non-optically effective portion d2.
  • the fourth lens 214 may include an optically effective portion d1 and a non-optically effective portion d2, and the fifth lens 215 may also include an optically effective portion. d1 and non-optical effective part d2.
  • the non-optically effective portion d2 is provided around the outer edge of the optically effective portion d1.
  • the optically effective portion d1 of each lens may be an area where the light required for imaging passes through the lens
  • the non-optically effective portion d2 is an area where the light required for imaging does not pass through the lens.
  • the first lens 211, the second lens 212, the third lens 213, the fourth lens 214, and the fifth lens 215 may be plastic lenses.
  • the first lens 211, the second lens 212, the third lens 213, the fourth lens 214, and the fifth lens 215 may be aspheric lenses.
  • a first light-shielding sheet 218b is provided between the non-optically effective portion d2 of the first lens 211 and the second lens 212, and a second light shielding sheet 218b is provided between the non-optically effective portion d2 of the second lens 212 and the third lens 213.
  • the light-shielding sheet 218a, a first spacer 217b is provided between the non-optically effective portion d2 of the third lens 213 and the fourth lens 214, and a second spacer is provided between the non-optically effective portion d2 of the fourth lens 214 and the fifth lens 215 217a, the pressing ring 216a is located on the image side of the fifth lens 215, and the pressing ring 216a can be pressed on the non-optically effective portion d2 of the fifth lens 215 and the supporting portion 2190 in the lens barrel 219.
  • the shading sheet may include a first shading sheet 218b and a second shading sheet 218a
  • the spacer may include a first spacer 217b and a second spacer 217a.
  • the first spacer 217b and the second spacer 217a separate the third lens 213 and the fourth lens 214, and the fourth lens 214 and the fifth lens 215 by a certain interval, respectively.
  • the first spacer 217b and the second spacer 217a respectively lap and support the non-optically effective portions d2 of the third lens 213, the fourth lens 214, and the fifth lens 215 during assembly (see FIG. 10).
  • the first spacer 217b and the second spacer 217a may be made of non-light-transmitting materials.
  • the first spacer 217b and the second spacer 217a may be black plastic spacers.
  • the non-optically effective portion d2 of the third lens 213, the non-optically effective portion d2 of the fourth lens 214, and the non-optically effective portion d2 of the fourth lens 214 and the non-optically effective portion d2 of the fifth lens 215 may not be provided. Shading film.
  • a third light-shielding sheet, a fourth light-shielding sheet, a fifth light-shielding sheet, and a sixth light-shielding sheet are respectively arranged between the effective portion d2 and the second spacer 217a and between the second spacer 217a and the non-optically effective portion d2 of the fifth lens 215 Slice (see Figure 1).
  • the closer the effective diameter of the lens ie The larger the diameter of the optical effective area of the lens, for example, the effective diameters of the fourth lens and the fifth lens in Figure 1 increase, but this results in a larger outer diameter of the lens barrel near the photosensitive element, and the larger the volume of the lens barrel.
  • the mobile phone occupies a lot of space, and the opening on the display screen is larger.
  • the size of the lens 21 is reduced by trimming the lens 21 without affecting the imaging.
  • the lens barrel 219 is close to the outer wall of the lens holder 22 (for example, the bottom of the lens barrel 219) for trimming, and the fourth lens 214, The second spacer 217a, the fifth lens 215 and the pressure ring 216a are all trimmed.
  • the width of the bottom of the lens barrel 219 is reduced.
  • the width of the bottom of the lens 21 is reduced, so that the volume of the lens 21 is reduced, so that the lens 21 takes up less space in the mobile phone 100. Therefore, more components can be set in the mobile phone 100.
  • the width of the end of the lens 21 close to the lens mount 22 (that is, the width of the bottom of the lens 21) is reduced.
  • the screen-to-body ratio of the display screen 10 of 100 increases.
  • the outermost line L of the optical effective diameter of the lens 21 is not affected by the trimming, so after trimming, the lens is reduced without affecting the imaging. 21 volume and bottom width.
  • one side can be cut on the outer wall of the lens barrel 219, or two sides can be cut on the outer wall of the bottom of the lens barrel 219. It should be noted that when two sides are cut on the outer wall of the bottom of the lens barrel 219, two The cut edges are symmetrically distributed on the lens barrel 219.
  • the lens barrel 219 may include: a front lens barrel 2191, a middle lens barrel 2192, and a rear lens barrel 2197.
  • the middle lens barrel 2192 is located at the front lens barrel 2191 and the rear lens barrel 2197. between.
  • the front lens barrel 2191 may have a straight cylindrical shape
  • the middle lens barrel 2192 may have a tapered shape.
  • the rear lens barrel 2197 may include at least one cut surface 2195 and an arc-shaped side surface 2196.
  • the rear lens barrel 2197 may include two cut surfaces 2195 and two arc-shaped side surfaces 2196 connected to the two cut surfaces 2195.
  • Two cut surfaces 2195 and two arc-shaped side surfaces 2196 enclose the side wall of the rear lens barrel 2197.
  • the two cut surfaces 2195 are symmetrically distributed with respect to the center line of the lens barrel 219.
  • the arc-shaped side surface 2196 may include a first arc-shaped side surface 2193 and a second arc-shaped side surface 2194.
  • the first arc-shaped side surface 2193 is located between the outer wall of the middle lens barrel 2192 and the second arc-shaped side surface 2194.
  • the distance between the second arc-shaped side surface 2194 and the center line of the lens barrel 219 is greater than the distance between the first arc-shaped side surface 2193 and the center line of the lens barrel 219, and a step may be formed between the first arc-shaped side surface 2193 and the second arc-shaped side surface 2194 (see Figure 13).
  • the front lens barrel 2191, the middle lens barrel 2192 and the rear lens barrel 2197 may be connected by welding, clamping or integral molding.
  • the distance h1 between the two cut surfaces 2195 on the rear lens barrel 2197 is greater than or equal to 0.8h2 and less than h2, and h2 is one of the two curved surfaces on the rear lens barrel 2197.
  • the maximum distance between the two, that is, h2 is the diameter of the bottom end of the rear barrel 2197 without trimming.
  • the diameter h2 of the bottom end of the rear lens barrel 2197 is 6.5 mm.
  • the distance h1 between the two cut surfaces 2195 on the rear lens barrel 2197 is less than 6.5 mm and greater than or equal to 5.2 mm.
  • the distance h1 between the two cut surfaces 2195 can be reduced to 5.2mm.
  • the width h3 of each cut 2195 is not greater than 0.65mm.
  • the cut width of the rear lens barrel 2197 is not more than 1.3mm.
  • L2 1/2h1, L2 is greater than or equal to 2.6mm.
  • L2 can be reduced by 0.65mm at the maximum. Therefore, the width L of the opening 11 on the display screen 10 decreases, and the screen-to-body ratio increases.
  • the cross-sectional area and volume of the rear lens barrel 2197 are reduced, and the space occupied by the lens 21 is reduced.
  • the inner wall of the lens barrel 219 is sequentially provided with a plurality of supporting portions 2190 from top to bottom, and the plurality of supporting portions 2190 are stepped in the lens barrel 219.
  • the supporting portion 2190 provided on the inner wall of the rear lens barrel 2197 may include: an arc supporting section c3 and a straight supporting section c1 ,
  • the arc-shaped supporting section c3 and the straight supporting section c1 form an annular supporting portion 2190 similar to a racetrack shape.
  • the inner walls of the front lens barrel 2191 and the rear lens barrel 2197 form an annular supporting section c2.
  • the fifth lens 215 may include an optically effective portion d1 and a non-optically effective portion d2 (see FIG. 9).
  • the optically effective portion d1 of the fifth lens 215 may include an effective diameter area 2151 and a first cut edge 2154, and the number of the first cut edge 2154 may be one or two.
  • the optically effective portion d1 of the fifth lens 215 includes an effective diameter area 2151 and two first slicing sides 2154.
  • the two first slicing sides 2154 can be symmetrically arranged with respect to the optical center of the fifth lens 215. Both sides of the effective diameter area 2151.
  • the non-optically effective portion d2 of the fifth lens 215 may include a first non-effective area 2152 and a second non-effective area 2153.
  • the first non-effective area 2152 is arranged along the outer edge of the effective diameter area 2151
  • the second non-effective area 2153 is arranged along the bottom end of the first cut edge 2154.
  • the first non-effective area 2152 and the second non-effective area 2153 form a ring-shaped non-optically effective portion d2.
  • the second non-effective area 2153 is trimmed. As shown in FIG.
  • the second ineffective area 2153 has a second trimmed edge 2155, for example , A partial area of the outer edge of the second ineffective area 2153 is cut off, so that the width of the second ineffective area 2153 is reduced.
  • the second non-effective area 2153 is located at the first cut edge 2154, and the first non-effective area 2152 and the second non-effective area 2153 of the fifth lens 215 enclose a non-optical effective portion d2 similar to a racetrack shape.
  • the first cut edge 2154 may be a longitudinal section as shown in FIG. 15. In some other examples, the first cut edge 2154 may also be a slope inclined toward the second ineffective area 2153.
  • the second ineffective area 2153 has a second cut edge 2155, which reduces the width of the fifth lens 215 at the second ineffective area 2153.
  • the first ineffective area 2152 of the fifth lens 215 is supported by the arc-shaped supporting section c3 in the lens barrel 219, and the second ineffective area 2153 is in contact with the
  • the straight supporting section c1 bears, and after the second spacer 217a and the pressing ring 216a located on both sides of the fifth lens 215 are assembled, a part of the second spacer 217a and the pressing ring 216a can be in contact with the lens barrel 219
  • the supporting portion 2190 bears, and the remaining area of the second spacer 217a and the pressure ring 216a can overlap and bear against the second non-effective area 2153 and the first non-effective area 2152 of the fifth lens 215, thus ensuring the pressure ring
  • the fifth lens 215 has a second ineffective area 2153 at the first cut edge 2154.
  • the second ineffective area 2153 The two sides facing the image side and the object side can respectively bear against the partial areas of the second spacer 217a and the pressing ring 216a, so that the pressing ring 216a, the second spacer 217a and the fifth lens 215 are on the first cut edge 2154.
  • the supporting effect of the fifth lens 215 makes the entire outer edge of the fifth lens 215 bear against the pressure ring 216a and the second spacer 217a, which ensures that the fifth lens 215 is more stable when assembled in the lens barrel 219.
  • the blocking of the effective diameter area 2151 of the fifth lens 215 by the pressing ring 216a and the second spacer 217a is avoided.
  • the optically effective portion d1 of the fifth lens 215 when the optically effective portion d1 of the fifth lens 215 includes two first cut edges 2154 and an effective diameter area 2151, the minimum distance H1 between the two first cut edges 2154 is greater than or equal to The short side length H2 of the photosensitive element 25 ensures that each photosensitive area on the photosensitive element 25 can sense light, thereby generating complete image information.
  • the short side length H2 of the photosensitive element 25 may be 3.917 mm, and the diameter of the optically effective portion d1 of the fifth lens 215 may be 5.3 mm, so that the minimum distance H1 between the two first cut edges 2154 is greater than or equal to 3.917mm, for example, the minimum distance H1 between the two first cut edges 2154 can be 4mm, so the width of the optically effective part d1 of the fifth lens 215 is 0.65mm, and the width of the two cut edges is 1.3mm, Or the minimum distance H1 between the two first cut edges 2154 may be 4.5 mm, so that the width of the optically effective portion d2 of the fifth lens 215 is 0.4 mm, and the width of the two cut edges is 0.8 mm.
  • the width H3 of the second inactive area 2153 may be 0.1 mm-0.65 mm.
  • the width H3 of the second inactive area 2153 may be 0.35 mm, or the width H3 of the second inactive area 2153 may be less than It can be 0.25mm.
  • the width H3 of the second non-effective area 2153 can be but not limited to the above-mentioned value.
  • the second non-effective area 2153 can be supported by the second spacer 217a and the pressing ring 216a.
  • the fourth lens 214 may include an optically effective portion d1 and a non-optically effective portion d2 surrounding the outer edge of the optically effective portion d1.
  • the non-optically effective portion of the fourth lens 214 d2 performs edge trimming.
  • the optically effective area 2141 of the fourth lens 214 is not trimmed, and the non-optically effective portion d2 of the fourth lens 214 may include a third ineffective area 2142 and a fourth ineffective area 2144.
  • the fourth non-effective area 2144 may include at least one third cut edge 2143. Illustratively, two third cut edges 2143 are shown in FIG. 17.
  • the fourth lens 214 is The width H4 of the inactive area 2144 is reduced, so that the fourth lens 214 reduces the width of the fourth inactive area 2144 on the basis of satisfying imaging.
  • the mirror The wall thickness of the barrel 219 at the fourth lens 214 can be increased, so that the strength of the barrel 219 is greater there.
  • the width H4 of the fourth non-effective area 2144 of the fourth lens 214 may be 0.2-0.35 mm, for example, the diameter of the optically effective portion d1 of the fourth lens 214 may be 3.9 mm, and the fourth lens The diameter of the non-optically effective portion d2 of 214 can be 4.7 mm, so the width of the third non-effective area 2142 can be 0.4 mm, and the width H4 of the fourth non-effective area 2144 can be 0.25 mm, or can be 0.3 mm.
  • the second spacer 217a is to bear against the non-optical effective portion d2 of the fourth lens 214 and the fifth lens 215, so the first
  • the two spacers 217a may include an arc-shaped section 2171 and at least one straight section 2172.
  • the arc-shaped section 2171 and the straight section 2172 enclose an annular spacer.
  • the second spacer 217a may include: two arc-shaped sections 2171 and two straight sections 2172 ,
  • the arc-shaped section 2171 and the straight section 2172 of the second spacer 217a enclose a ring structure similar to a racetrack shape.
  • the arc-shaped section 2171 may include an arc-shaped outer area a2 and an arc-shaped inner area a1, and the flat section 2172 includes a straight outer area.
  • the area b2 and the flat inner area b1 can be assembled as shown in Figure 10.
  • the arc-shaped outer area a2 and the flat outer area b2 can be supported on the supporting portion 2190 in the lens barrel 219, and the arc-shaped inner area a1 and flat
  • the inner region b1 can bear on the third ineffective area 2142 and the fourth ineffective area 2144 of the fourth lens 214.
  • the side of the second spacer 217 a facing the fifth lens 215 bears against the first non-effective area 2152 and the second non-effective area 2153 of the fifth lens 215.
  • the inner side wall of the second spacer 217a is arranged in an inclined shape (the side wall connected to the arc-shaped inner region a1 and the straight inner region b1 in FIG. 18), so that the second spacer 217a faces the fifth lens
  • the opening at one end of the 215 is enlarged to prevent the second spacer 217a from blocking the optical effective area of the fifth lens 215.
  • the press ring 216a is trimmed.
  • the structure of the press ring 216a may refer to the structure of the second spacer 217a shown in FIG. 18.
  • the press ring 216a may also include an arc
  • the number of the flat area (refer to the arc section 2171 in Figure 18) and the flat area (refer to the flat section 2172 in Figure 18), the number of flat areas can be one or two.
  • the straight area and the arc-shaped area of the pressing ring 216a enclose an arc-shaped pressing ring similar to a racetrack shape.
  • the arc-shaped area of the pressing ring 216a bears against the arc-shaped bearing in the lens barrel 219
  • the straight area of the pressing ring 216a bears against the straight supporting section c1 in the lens barrel 219
  • a partial area of the pressing ring 216a facing the fifth lens 215 abuts on the bearing portion 2190 of the lens barrel 219,
  • the remaining part can abut on the first non-effective area 2152 and the second non-effective area 2153 of the fifth lens 215.
  • the pressure ring 216a and the inner wall of the bottom end of the rear lens barrel 2197 can be fixed by bonding, so that each lens, light shielding sheet and spacer are assembled in the lens barrel 219 through the pressure ring 216a.
  • the lens 21 may also be used as the lens of the rear camera module.
  • the electronic device may also include: a rear camera module, and the rear camera module may include the aforementioned lens 21, bracket 24, and photosensitive element. 25 and a flexible board 26.
  • the rear camera module can be arranged on the side of the metal middle plate 32 facing the rear cover 60.
  • the lens 21 of the rear camera module faces the rear cover 60.
  • the rear cover 60 has an opening. The head of the lens 21 is installed in the opening on the back cover 60.
  • the width of the bottom of the lens 21 is reduced, so that the opening on the back cover 60 is The width in the direction or Y direction is reduced, the opening area of the back cover 60 is reduced, the appearance of the back cover 60 is more beautiful, and the strength of the back cover 60 is better.
  • the width of the bottom of the lens 21 is reduced, so that the volume of the lens 21 is reduced, so that the space occupied by the rear camera module in the electronic device is reduced, and the space saved in the electronic device can be equipped with other devices.
  • the lens group may include 6 lenses, namely: a first lens 211, a second lens 212, a third lens 213, a fourth lens 214, a fifth lens 215, and a sixth lens.
  • Lens 216 the front lens group may include three lenses, which are a first lens 211, a second lens 212, and a third lens 213, respectively.
  • the rear lens group may include: a fourth lens 214, a fifth lens 215, and a sixth lens 216.
  • the fifth lens 215 is located between the fourth lens 214 and the sixth lens 216, and the sixth lens 216 is close to the image side.
  • the structure of the five lens 215 and the sixth lens 216 can refer to the structure of the fifth lens 215 in the above scene 1.
  • the sixth lens 216 may include: an optically effective portion d1 and a non-optically effective portion d2, and a third spacer 217c may be provided between the fifth lens 215 and the non-optically effective portion d2 of the sixth lens 216 ,
  • the press ring 216a is pressed on the non-optically effective portion d2 of the sixth lens 216 toward the image side, that is, in the embodiment of the present application, a third spacer 217c and a third spacer 217c and 217c are added between the fifth lens 215 and the press ring 216a.
  • the fourth lens 214, the second spacer 217a, the fifth lens 215, the third spacer 217c, the sixth lens 216 and the press ring 216a are trimmed.
  • the structure of the lens 214, the second spacer 217a, the fifth lens 215, and the pressure ring 216a can refer to the description in the first scenario above.
  • the trimming method of the optically effective portion d1 and the non-optically effective portion d2 of the sixth lens 216 refer to the trimming structure of the fifth lens 215 in FIG. 15.
  • the optically effective portion d1 of the sixth lens 216 may have at least one trimming.
  • the non-optically effective portion d2 of the sixth lens 216 may include a fifth non-effective area provided along the cut edge and a sixth non-effective area located along the edge of the optically effective area (see the first non-effective area 2152 and 2152 in FIG. 15
  • the second non-effective area 2153) the outer edge of the fifth non-effective area has a cut edge (refer to the second cut edge 2155 in FIG. 15).
  • the sixth lens 216 and the third spacer 217c are used for trimming.
  • the volume and cross-sectional area of the rear barrel 2197 of the lens 21 are reduced, and the The lens 21 occupies space in the electronic device, and the space saved can enable more devices to be installed in the electronic device.
  • the size of the opening 11 on the display screen 10 is reduced, so that the special-shaped area (for example, The area of Notch area is reduced and the screen-to-body ratio is higher.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or Indirect connection through an intermediate medium may be the internal communication between two elements or the interaction relationship between two elements.
  • connection should be understood according to specific circumstances.

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  • Optics & Photonics (AREA)
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Abstract

本申请实施例提供一种镜头、摄像头模组和电子设备，电子设备可以包括手机、平板电脑、笔记本电脑、超级移动个人计算机(ultra-mobile personal computer，UMPC)、手持计算机、对讲机、上网本、POS机、个人数字助理(personal digital assistant，PDA)、可穿戴设备、虚拟现实设备、无线U盘、蓝牙音响/耳机、或车载前装等拍摄的移动或固定终端，通过对镜筒和透镜进行切边，减小了镜头的体积和底部宽度，降低了镜头在电子设备内占用的空间，减小了显示屏上开孔的面积，提高了显示屏的屏占比。

Description

一种镜头、摄像头模组和电子设备
本申请要求于2019年09月30日提交中国专利局、申请号为201910945932.6、申请名称为“一种镜头、摄像头模组和电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉终端技术领域，特别涉及一种镜头、摄像头模组和电子设备。
背景技术
拍摄功能对于电子设备(例如手机、平板等)来说已经是不可或缺的功能，为了得到良好的影像品质及摄像效果，电子设备会安装多个摄像头来提供广泛的摄影功能。
目前，摄像装置主要包括前置摄像头和后置摄像头，前置摄像头朝向电子设备显示屏的一面设置，后置摄像头朝向电子设备后盖的一面设置。其中，前置摄像头主要包括：镜头、支撑座、滤光片、感光元件和柔性电路板(FPC)。镜头的结构如图1和图2所示，镜头包括镜筒1和设置在镜筒1内依次排列的：第一透镜G1、第一遮光片M1、第二透镜G2、第二遮光片M2、第三透镜G3、第三遮光片M3、第一隔片S11、第四遮光片M4、第四透镜G4、第五遮光片M5、第二隔片S12、第六遮光片M6、第五透镜G5和压圈2。
然后，上述镜头中，第四透镜和第五透镜的有效径增大，导致镜筒的外径和体积较大，这样镜头在手机内占用的空间较大，显示屏上与镜头相对的区域(例如Notch区域)较大，降低了显示屏的屏占比。
发明内容
本申请实施例提供一种镜头、摄像头模组和电子设备，减小了镜头的体积和底部宽度，降低了镜头在电子设备内占用的空间，减小了显示屏上开孔的面积，提高了显示屏的屏占比。
本申请实施例第一方面提供一种镜头，应用于具有感光元件的摄像头模组中，包括：镜筒以及设在所述镜筒内的前透镜组和后透镜组，所述前透镜组靠近物方侧，所述后透镜组靠近像方侧。
所述后透镜组中靠近像方侧的透镜包括：光学有效部和围设在所述光学有效部外边缘的非光学有效部。
所述光学有效部包括：有效径区域和至少一个第一切边，所述非光学有效部包括：第一非有效区域和第二非有效区域，所述第一非有效区域沿着所述有效径区域的外边缘设置，所述第二非有效区域沿着所述第一切边设置，所述第二非有效区域的外边缘上具有第二切边；所述镜筒靠近所述后透镜组的外侧壁具有至少一个切面，所述第二切边在所述镜筒内朝向所述切面。
通过镜筒靠近后透镜组的外侧壁上具有至少一个切面，透镜组中靠近像方侧的透镜的光学有效部具有至少一个第一切边以及非光学有效部的第二非有效区域具有第二切边，这 样一方面减小了镜头底部的宽度，使得镜头的体积减小，这样镜头占用手机内的空间降低，使得手机内可以设置更多元器件。另一方面，镜头靠近镜头座的一端宽度(即镜头的底部宽度)减小，对于刘海屏、水滴屏或挖孔屏而言，显示屏上的开孔的宽度减小，显示屏上的异形区域(例如Notch区域)减小，手机的显示屏的屏占比增大。
通过将所述第二非有效区域沿着所述第一切边设置，所述第二非有效区域的外边缘上具有第二切边，这样确保了透镜组中靠近像方侧的透镜的光学有效部的第一切边处具有非有效径区域(例如第二非有效区域)，这样透镜在镜筒内组立时，透镜的第一非有效区域与镜筒内的弧形承靠段承靠，第二非有效区域与镜筒内的直形承靠段承靠，位于透镜两侧的第二隔片和压圈在组立后，第二隔片和压圈的部分区域可以与镜筒内的承靠部承靠，第二隔片和压圈的其余部分区域可以与透镜的第二非有效区域和第一非有效区域搭接承靠，这样实现了压圈和第二隔片与透镜在第一切边处的承靠作用，使得透镜的整个外边缘均与压圈以及第二隔片进行承靠，确保了透镜在镜筒内组立时承靠更稳定，另外，避免了压圈和第二隔片对透镜有效径区域的遮挡。
在一种可能的实现方式中，所述第一切边的数量为两个，且所述两个第一切边相对所述光学有效部的中心对称设置。
这样一方面方便透镜在镜筒内的装配，另一方面确保透镜两个第一切边之间的光学有效径区域不会对成像造成影响，实现了镜头切边后保持正常的成像效果。
在一种可能的实现方式中，所述两个第一切边之间的距离大于等于所述感光元件的短边宽度。
这样可以确保切边后的透镜对感光元件的成像不造成影响，确保了感光元件上各个感光区域均可以感应光线，从而生成完整的图像信息。
在一种可能的实现方式中，所述第二非有效区域的宽度为0.1-0.65mm。这样可以实现透镜上靠近第一切边的第二非有效区域在镜筒内的承靠，以及实现透镜光学有效部切边后与两侧的隔片和压圈的承靠，避免透镜两侧的压圈和隔片与透镜的部分非光学有效部的承靠。
在一种可能的实现方式中，所述镜筒包括前镜筒、中间镜筒和后镜筒，所述后镜筒的外侧壁包括所述切面以及与所述切面相连的弧形侧面。前镜筒靠近物方侧，后镜筒靠近像方侧，这样镜筒靠近像方侧的一端部分宽度减小，镜筒底部的体积减小，这样占用电子设备内的空间减小。
在一种可能的实现方式中，所述后镜筒靠近所述切面的内壁上具有多个直形承靠段，所述后镜筒靠近所述弧形侧面的内壁上具有多个弧形承靠段。这样可以确保透镜上切边后的非光学有效部可以承靠在直形承靠段，透镜上未切边的非光学有效部可以承靠在弧形承靠段。
在一种可能的实现方式中，所述后镜筒的外侧壁上具有两个所述切面和两个所述弧形侧面，两个所述切面相对所述镜筒的中心线对称设置。
在一种可能的实现方式中，所述两个切面之间的距离为h1，0.8h2≤h1＜h2，所述h2为所述两个弧形面之间的最大距离。这样可以确保切边后的镜筒能够满足成像要求。
在一种可能的实现方式中，所述后透镜组包括至少两个透镜，
所述至少两个透镜中靠近所述前透镜组的透镜包括：光学有效部和非光学有效部，且 靠近所述前透镜组的透镜的非光学有效部外边缘具有第三切边，所述第三切边朝向所述切面。
在一种可能的实现方式中，所述后透镜组包括三个透镜，所述三个透镜中位于两个透镜之间的中间透镜以及靠近所述像方侧的透镜均包括所述有效径区域、至少一个所述第一切边、所述第一非有效区域、所述第二非有效区域以及所述第二切边。这样后透镜组中靠近像方侧的透镜以及后透镜组中位于中间的透镜的光学有效部进行切边，使得后透镜组的两个透镜的宽度减小。
在一种可能的实现方式中，还包括：位于所述镜筒内的至少两个隔片，所述至少两个隔片中的其中一个隔片位于前透镜组和所述后透镜组之间，所述至少两个隔片中的其余隔片位于所述后透镜组中相邻两个透镜的非光学有效部之间。通过隔片可以实现相邻透镜之间隔开预设的间隔，从而满足镜头内光路的要求。
在一种可能的实现方式中，位于所述后透镜组中相邻两个透镜之间的所述隔片包括：弧形段和平直段，所述弧形段和所述平直段围成环形结构，所述平直段朝向所述切面。这样弧形段和平直段可以分别与切边后的透镜上的第一非有效区域和第二非有效区域进行承靠。
在一种可能的实现方式中，还包括：压圈，所述压圈与所述镜筒朝向像方侧的一端内壁相连，所述后透镜组位于所述前透镜组和所述压圈之间；
所述压圈包括弧形区域和平直区域，所述平直区域朝向所述切面。
通过设置压圈，一方面压圈可以将镜筒内透镜组固定在镜筒内，另一方，压圈的弧形区域和平直区域可以分别与切边后的透镜的第一非有效区域和第二非有效区域进行承靠，使得压圈将靠近像方侧的透镜外边缘的非光学有效部压紧，确保透镜组在镜筒内可靠组立。
在一种可能的实现方式中，所述前透镜组包括至少三个透镜，所述三个透镜中相邻两个透镜的非光学有效部之间设置遮光片。
本申请实施例第二方面提供一摄像头模组，至少包括：
柔性板、感光元件、支架、滤光片和上述任一所述的镜头，所述支架位于所述镜头和所述柔性板的一端之间，所述感光元件位于所述柔性板与所述镜头相对的一端，所述滤光片位于所述感光元件和所述镜头之间。
通过包括上述镜头，这样使得摄像头模组中的镜头体积减小，镜头底部部分宽度减小。摄像头模组在电子设备内占用的体积减小，电子设备内可以设置其他器件，显示屏上为放置镜头的开孔面积减小，这样提高了显示屏的屏占比。
本申请实施例第三方面提供一种电子设备，至少包括：
显示屏、后盖、中框和至少一个上述所述的摄像头模组，所述显示屏和所述后盖分别位于所述中框的两侧，所述摄像头模组设置在所述中框上，所述摄像头模组的镜头朝向所述显示屏或者朝向所述后盖。
通过包括上述摄像头模组，这样使得电子设备的显示屏上为放置摄像头而开设的开孔减小，显示屏上的异形区(例如Notch区域)面积减小，电子设备的屏占比更大。另外电子设备内摄像头模组占用的空间减小，这样节省出的空间一方面使得电子设备内的器件排布更方便，另一方面可以在电子设备内设置更多的器件。
在一种可能的实现方式中，所述摄像头模组为前置摄像头模组，或者，所述摄像头模 组为后置摄像头模组。这样当摄像头模组为前置摄像头模组时，可以减小显示屏上的开孔大小，提高屏占比，减少前置摄像头模组当当摄像头模组为后置摄像头模组时，减小后盖为放置后置摄像头模组而开设的开孔大小，减小了后置摄像头在电子设备内的占用空间。
在一种可能的实现方式中，所述摄像头模组的数量为两个，其中一个所述摄像头模组为后置摄像头模组，另一个所述摄像头模组为前置摄像头模组。这样既减小显示屏上的开孔大小，又减小后盖为放置后置摄像头模组而开设的开孔大小，另外，节省了前置摄像头模组和后置摄像头模组在电子设备内占用的空间。
附图说明
图1为现有的镜头的剖面结构示意图；
图2为现有的镜头中镜筒的结构示意图；
图3为本申请一实施例提供的电子设备的结构示意图；
图4为本申请一实施例提供的电子设备的爆炸结构示意图；
图5为本申请一实施例提供的电子设备中显示屏的拆分结构示意图；
图6为本申请一实施例提供的电子设备中显示屏与前置摄像头的结构示意图；
图7A为本申请一实施例提供的电子设备中前置摄像头的结构示意图；
图7B为本申请一实施例提供的电子设备中前置摄像头的爆炸结构示意图；
图8为本申请一实施例提供的电子设备中前置摄像头与显示屏、边框和后盖的部分剖面结构示意图；
图9为本申请一实施例提供的电子设备的前置摄像头中镜头的爆炸结构示意图；
图10为本申请一实施例提供的电子设备的前置摄像头中镜头的剖面结构示意图；
图11为本申请一实施例提供的电子设备的前置摄像头中镜筒的结构示意图；
图12为本申请一实施例提供的电子设备的前置摄像头中镜头底端端面的结构示意图；
图13为本申请一实施例提供的电子设备的前置摄像头中镜筒的剖面结构示意图；
图14为本申请一实施例提供的电子设备的前置摄像头中镜筒的立体结构示意图；
图15为本申请一实施例提供的电子设备的前置摄像头中第五透镜的结构示意图；
图16为本申请一实施例提供的电子设备的前置摄像头中第五透镜与感光元件的结构示意图；
图17为本申请一实施例提供的电子设备的前置摄像头中第四透镜的结构示意图；
图18为本申请一实施例提供的电子设备的前置摄像头中第二隔片的剖面结构示意图；
图19为本申请一实施例提供的电子设备的前置摄像头中镜头的又一爆炸结构示意图。
附图标记说明：
100-手机；10-显示屏；11-开孔；12-透明保护盖板；13-显示模组；131-背光元件；
132-液晶面板；21-镜头；211-第一透镜；212-第二透镜；213-第三透镜；214-第四透镜；
2141-光学有效区域；2142-第三非有效区域；2143-第三切边；20-前置摄像头模组；
2144-第四非有效区域；215-第五透镜；2151-有效径区域；2152-第一非有效区域；
2153-第二非有效区域；2154-第一切边；2155-第二切边；216-第六透镜；216a-压圈；
217a-第二隔片；2171-弧形段；a1-弧形内区；a2-弧形外区；2172-平直段；b1-平直内区；
b2-平直外区；217b-第一隔片；217c-第三隔片；218a-第二遮光片；218b-第一遮光片；
219-镜筒；2190-承靠部；2191-前镜筒；2192-中镜筒；2193-第一弧形侧面；
2194-第二弧形侧面；2195-切面；2196-弧形侧面；2197-后镜筒；c1-直形承靠段；
c2-圆环形承靠段；c3-弧形承靠段；d1-光学有效部；d2-非光学有效部；22-镜头座；
23-滤光片；24-支架；25-感光元件；26-柔性板；27-连接器；30-中框；31-边框；
32-金属中板；40-电路板；50-电池；60-后盖。
具体实施方式
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请，下面将结合附图对本申请实施例的实施方式进行详细描述。
本申请实施例提供的一种电子设备，包括但不限于为手机、平板电脑、笔记本电脑、超级移动个人计算机(ultra-mobile personal computer，UMPC)、手持计算机、对讲机、上网本、POS机、个人数字助理(personal digital assistant，PDA)、行车记录仪、安防设备等具有摄像头的移动或固定终端。
其中，本申请实施例中，以手机100为上述电子设备为例进行说明，本申请实施例提供的手机100显示屏可以为水滴屏或刘海屏，下述描述以水滴屏为例进行说明，参见图3和图4所示，手机100可以包括：显示屏10和后盖60，显示屏10与后盖60之间可以设置中框30、电路板40和电池50。其中，电路板40和电池50可以设置在中框30上，例如，电路板40与电池50设置在中框30朝向后盖60的一面上，或者电路板40与电池50可以设置在中框30朝向显示屏10的一面上。其中，电路板40在中框30上设置时，中框30上可以开设开口用于将电路板40上的元件置于中框30的开口处。
其中，电池50可以通过电源管理模块与充电管理模块和电路板40相连，电源管理模块接收电池50和/或充电管理模块的输入，并为处理器、内部存储器、外部存储器、显示屏10、摄像头以及通信模块等供电。电源管理模块还可以用于监测电池50容量，电池50循环次数，电池50健康状态(漏电，阻抗)等参数。在其他一些实施例中，电源管理模块也可以设置于电路板40的处理器中。在另一些实施例中，电源管理模块和充电管理模块也可以设置于同一个器件中。
其中，显示屏10可以为有机发光二极管(Organic Light-Emitting Diode，OLED)显示屏，也可以为液晶显示屏(Liquid Crystal Display，LCD)。
其中，后盖60可以为金属后盖，也可以为玻璃后盖，还可以为塑料后盖，或者，还可以为陶瓷后盖，本申请实施例中，对后盖60材质不作限定。
其中，中框30可以包括金属中板32和边框31。边框31围绕金属中板32设置的外周设置一周。一般常说，边框31可以包括顶边框、底边框、左侧边框和右侧边框，顶边框、底边框、左侧边框和右侧边框围成环形的边框31。其中，金属中板32可以为铝板，也可以为铝合金，还可以为镁合金。边框31可以为金属边框，也可以为陶瓷边框。其中，金属中框30和边框31之间可以卡接、焊接、粘合或一体成型，或者金属中框30与边框31之间通过注塑固定相连。
需要说明的是，在一些其他示例中，手机100可以包括但不限于为图4所示的结构，手机100的后盖60可以与边框31相连形成一体成型(Unibody)后盖，例如手机100可 以包括：显示屏10、金属中板32和电池盖，电池盖可以为边框31和后盖60一体成型(Unibody)形成的后盖。这样电路板40和电池50位于金属中板32和电池盖围成的空间中。
其中，为了实现拍摄功能，手机100还可以包括：摄像头模组和闪光灯(未示出)，摄像头模组可以包括前置摄像头模组20和后置摄像头(未示出)。其中，后置摄像头以及闪光灯可以设置在金属中板32朝向后盖60的一面上，后盖60上开设可供闪光灯和后置摄像头的部分区域安装的安装孔。前置摄像头模组20可以设在金属中板32朝向显示屏10的一面上。本申请实施例中，前置摄像头模组20和后置摄像头的设置位置包括但不限于上述描述。其中，在一些实施例中，手机100内设置的前置摄像头模组20和后置摄像头的数量可以为1个或N个，N为大于1的正整数。
可以理解的是，本申请实施例示意的结构并不构成对手机100的具体限定。在本申请另一些实施例中，手机100可以包括比图示更多或更少的部件，或者组合某些部件，或者拆分某些部件，或者不同的部件布置。图示的部件可以以硬件，软件或软件和硬件的组合实现。
基于上述描述，本申请实施例中，以手机100内设置前置摄像头模组20的场景为例进行说明。
场景一
本申请实施例中，参见图4所示，为了实现前置摄像头模组的拍摄，显示屏10上开设与前置摄像头模组20的镜头匹配的开孔11，这样外界光线可以进入前置摄像头模组20中实现拍摄。应当理解的是，如图5所示，显示屏10可以包括透明保护盖板12和显示模组13，透明保护盖板12例如可以为玻璃盖板或蓝宝石盖板。显示屏10上开设开孔11时，具体是在显示屏10的显示模组13上开设开孔11。
其中，显示模组13可以为OLED显示模组，或者显示模组13可以为液晶显示模组。当显示模组13为液晶显示模组时，如图6所示，液晶显示模组可以包括液晶面板132和背光元件131，背光元件131设在液晶面板132的下方，用于为液晶面板132提供一个背光源。其中，液晶显示模组13上开设开孔11时，开孔11可以为通孔，也可以为盲孔，例如可以在背光元件131上开设开孔11，这样液晶显示模组13上形成的开孔11为盲孔，或者如图6所示，液晶面板132和背光元件131形成的开孔11为通孔。
一般来说，显示屏10还包括触控板(Touch Panel，TP)，触控板可以设在显示模组13和透明保护盖板12之间(即TP on cell)，或者触控板可以设置在显示模组13的膜层中(即TP in cell)，显示模组13用于向用户输出显示内容，触控板用于接收用户在显示屏10上输入的触摸事件。
本申请实施例中，参见图7A所示，前置摄像头模组20可以包括：镜头21、镜头座22、支架24(Holder)、柔性板26(Flexible Printed Circuit，FPC)和连接器27，镜头21与镜头座22相连，镜头座22与支架24相连，镜头21通过镜头座22固定在支架24上，支架24固定在柔性板26的一端上，连接器27固定在柔性板26的另一端上。镜头座22与镜头21的底端可以通过焊接、卡接或粘合连接，镜头座22、支架24和柔性电路板40之间通过粘合方式固定相连。支架24的材料可以为塑胶或者金属材料。需要说明是，图7B示出的前置摄像头模组20为焦距固定的摄像头，当前置摄像头模组20为焦距可变的摄 像头时，前置摄像头模组20还可以包括对焦模组(未示出)，对焦模组例如对焦马达，对焦马达可以设在支架24上。
其中，如图7B所示，前置摄像头模组20还包括：滤光片23(Filter)和感光元件25，滤光片23可以位于镜头座22与支架24之间，例如滤光片23可以覆盖在支架24的镂空区域，感光元件25设在柔性板26的一端上，支架24围设在感光元件25的外边缘。
其中，本申请实施例中，滤光片23可以为红外滤光片，滤光片23可以将红外光线进行滤除，防止红外光线进入镜头21对成像造成影响。
其中，感光元件25可以是电荷耦合器件(charge coupled device，CCD)或互补金属氧化物半导体(complementary metal-oxide-semiconductor，CMOS)光电晶体管。连接器27用于将柔性板26与电路板40上的图像处理单元(Image Signal Processing，ISP)电连接，图像处理单元(ISP)与数字处理单元(Digital Signal Processing，DSP)电连接。其中，图像处理单元(ISP)和数字处理单元(DSP)可以单独设置在电路板40上，或者，图像处理单元(ISP)和数字处理单元(DSP)可以集成在一起设在电路板40上。例如，拍照时，打开快门，光线通过镜头21并经过滤光片23传递到感光元件25上，光信号转换为电信号，感光元件25将电信号通过柔性板26和连接器27传递给ISP处理，ISP将电信号转换成数字图像信号，ISP将数字图像信号输出到DSP加工处理，DSP将数字图像信号转换成标准的RGB、YUV等格式的图像信号。
本申请实施例中，如图8所示，前置摄像头模组20在手机10内设置时，前置摄像头模组20的一端可以固定在金属中板32，前置摄像头模组20的镜头21头部可以位于显示屏10的开孔11中。其中，开孔11的宽度L＝L1+L2+L3，其中，L1为镜头21的头部宽度的1/2，L2为镜头21底部宽度的1/2(即L2＝1/2h1)，L3为装配预留的间隙宽。所以，为了减小开孔11的宽度L，本申请实施例中，对镜头21的底部进行切边处理，使得镜头21的底部宽度减小，这样开孔11的宽度L减小，具体实现方式参考下述描述。
本申请实施例中，参加图9所示，镜头21可以包括镜筒219、位于镜筒219内的透镜组、至少一个遮光片(例如第一遮光片218b和第二遮光片218a)、至少一个隔片(例如第一隔片217b和第二隔片217a)和压圈216a。其中，镜筒219的内壁上具有可供透镜组、遮光片和压圈216a承靠的承靠部2190，这样透镜组、遮光片、隔片和压圈216a在镜筒219内组立时，可以相互搭接承靠。压圈216a用于做最后透镜组立后的压合，确保各个透镜组立的稳定性，隔片可以将相邻透镜隔开预设距离，遮光片用于对透镜外边缘处的杂光进行遮挡。本申请实施例中，透镜组可以包括前透镜组和后透镜组，前透镜组靠近物方侧，后透镜组靠近像方侧，其中，本申请实施例中，例如，前透镜组包含3个透镜和后透镜组包含2个透镜为例进行说明。
其中，各个透镜可以为塑料透镜(Plastic)，也可以为玻璃透镜(Glass)，或者，透镜组中的部分透镜一为塑料透镜，部分透镜可以为玻璃透镜。
示例性的，图9所示，透镜组从物方侧到像方侧可以包括：第一透镜211、第二透镜212、第三透镜213、第四透镜214和第五透镜215。其中，前透镜组可以包括第一透镜211、第二透镜212和第三透镜213，第一透镜211靠近物方侧。后透镜组可以包括：第四透镜214和第五透镜215，后透镜组中第五透镜215靠近像方侧。其中，像方侧为成像的一侧，物方侧为被拍摄的对象的一侧。参见图9所示，每个透镜包括光学有效部d1和非光学有 效部d2，例如，第四透镜214可以包括光学有效部d1和非光学有效部d2，第五透镜215也可以包括光学有效部d1和非光学有效部d2。非光学有效部d2围设在光学有效部d1的外边缘。各个透镜在镜筒219中组立安装时，透镜的非光学有效部d2承靠在镜筒219的承靠部2190，遮光片、压圈216a或隔片与透镜的非光学有效部d2在镜筒219内组立承靠。本申请实施例中，各个透镜的光学有效部d1可以为成像所需光线经过透镜的区域，非光学有效部d2为成像所需光线不经过透镜的区域。
本申请实施例中，第一透镜211、第二透镜212、第三透镜213、第四透镜214和第五透镜215可以为塑胶透镜。第一透镜211、第二透镜212、第三透镜213、第四透镜214和第五透镜215可以为非球面透镜。
如图9所示，第一透镜211和第二透镜212的非光学有效部d2之间设置第一遮光片218b，第二透镜212和第三透镜213的非光学有效部d2之间设置第二遮光片218a，第三透镜213和第四透镜214的非光学有效部d2之间设置第一隔片217b，第四透镜214和第五透镜215的非光学有效部d2之间设置第二隔片217a，压圈216a位于第五透镜215的像方一侧，压圈216a可以压在第五透镜215的非光学有效部d2和镜筒219内的承靠部2190上。所以本申请实施例中，遮光片可以包括第一遮光片218b和第二遮光片218a，隔片可以包括第一隔片217b和第二隔片217a。第一隔片217b和第二隔片217a分别将第三透镜213和第四透镜214以及第四透镜214和第五透镜215之间隔开一定的间隔。第一隔片217b和第二隔片217a分别与第三透镜213、第四透镜214和第五透镜215的非光学有效部d2在组立时进行搭接承靠(参见图10)。
其中，第一隔片217b和第二隔片217a可以为非透光的材料制成，例如第一隔片217b和第二隔片217a可以为黑色塑胶隔片。这样，第三透镜213的非光学有效部d2和第四透镜214的非光学有效部d2以及第四透镜214的非光学有效部d2与第五透镜215的非光学有效部d2之间可以不设置遮光片。当然，也可以在第三透镜213的非光学有效部d2与第一隔片217b之间、第一隔片217b与第四透镜214的非光学有效部d2之间、第四透镜214的非光学有效部d2与第二隔片217a之间以及第二隔片217a与第五透镜215的非光学有效部d2之间分别设置第三遮光片、第四遮光片、第五遮光片和第六遮光片(可以参见图1所示)。
一般来说，为了确保镜头像方侧形成的视场可以覆盖感光元件的整个靶面(即感光元件的成像区域)，所以，参见图1所示，越靠近感光元件的透镜的有效径(即透镜光学有效区域的直径)越大，例如，图1中第四透镜和第五透镜的有效径增大，但是这样造成镜筒靠近感光元件的一端外径较大，镜筒的体积较大，占用手机的空间较大，显示屏上开设的开孔较大。
本申请实施例中，在不影响成像的基础上，通过对镜头21进行切边处理达到减小镜头21尺寸的目的。示例性的，如图9所示，镜筒219靠近镜头座22的外壁(例如镜筒219的底部)上进行切边处理，镜筒219内位于镜筒219切边处的第四透镜214、第二隔片217a、第五透镜215和压圈216a均进行切边处理。通过镜筒2019底部切边处理，使得镜筒219底部的宽度减小，这样一方面减小了镜头21底部的宽度，使得镜头21的体积减小，这样镜头21占用手机100内的空间降低，使得手机100内可以设置更多元器件。另一方面，镜头21靠近镜头座22的一端宽度(即镜头21的底部宽度)减小，对于刘海屏、水滴屏 或挖孔屏而言，显示屏10上的开孔11的宽度L＝L1+L2+L3，当镜头21底部切边后，L2减小，这样显示屏10上开设的开孔11的宽度L减小，这样显示屏10上的异形区域(例如Notch区域)减小，手机100的显示屏10的屏占比增大。经检测，镜头21切边后，如图10所示，镜头21光学有效径最外围的线条L并没有因切边而受到影响，所以切边后，在不影响成像的提前下减小了镜头21的体积和底部宽度。
本申请实施例中，镜筒219的外壁上可以切一个边，或者镜筒219底部外壁上可以切两个边，需要说明的是，当镜筒219底部外壁上切两个边时，两个切边在镜筒219上对称分布。
在一种可能的实现方式中，如图11所示，镜筒219可以包括：前镜筒2191、中镜筒2192和后镜筒2197，中镜筒2192位于前镜筒2191和后镜筒2197之间。前镜筒2191可以为直筒状，中镜筒2192可以锥形状。
其中，镜筒219切边时，具体是对后镜筒2197进行切边，切边后，后镜筒2197可以包括至少一个切面2195和弧形侧面2196。例如，如图11所示，后镜筒2197可以包括两个切面2195和与两个切面2195相连的两个弧形侧面2196。两个切面2195和两个弧形侧面2196围成后镜筒2197的侧壁。两个切面2195相对镜筒219的中心线对称分布。弧形侧面2196可以包括第一弧形侧面2193和第二弧形侧面2194，第一弧形侧面2193位于中镜筒2192外壁和第二弧形侧面2194之间。第二弧形侧面2194与镜筒219中心线的距离大于第一弧形侧面2193与镜筒219中心线的距离，第一弧形侧面2193与第二弧形侧面2194之间可以形成台阶(参见图13所示)。本申请实施例中，前镜筒2191、中镜筒2192和后镜筒2197之间可以通过焊接、卡接或一体成型方式相连。
在一种可能的实现方式中，如图12所示，后镜筒2197上两个切面2195之间的距离h1大于等于0.8h2且小于h2，h2为后镜筒2197上两个弧形面之间的最大距离，也即，h2为后镜筒2197底端未切边时的直径。例如，后镜筒2197的底端直径h2为6.5mm，切两个边后，后镜筒2197上两个切面2195之间的距离h1小于6.5mm且大于等于5.2mm，这样镜筒219的两个切面2195之间的距离h1可以减小到5.2mm，所以，镜筒219的后镜筒2197切边处理时，每个切面2195切除的宽度h3不大于0.65mm，当后镜筒2197上具有两个切面2195时，此时后镜筒2197切除的宽度不大于1.3mm。这样L2＝1/2h1，L2大于等于2.6mm，与未切边相比，L2最大可以减小0.65mm，所以，显示屏10上的开孔11的宽度L减小，屏占比增大，后镜筒2197的截面积和体积减小，镜头21占用空间降低。
在一种可能的实现方式中，如图13所示，镜筒219的内壁从顶部到底部依次设有多个承靠部2190，多个承靠部2190在镜筒219内呈台阶状。本申请实施例中，后镜筒2197进行切边后，如图14所示，后镜筒2197的内壁上设置的承靠部2190可以包括：弧形承靠段c3和直形承靠段c1，弧形承靠段c3和直形承靠段c1形成类似跑道形状的环形承靠部2190。前镜筒2191和后镜筒2197的内壁上形成圆环形承靠段c2。
在一种可能的实现方式中，第五透镜215可以包括光学有效部d1和非光学有效部d2(参见图9)，切边时，光学有效部d1和非光学有效部d2均进行切边。具体的，第五透镜215的光学有效部d1可以包括有效径区域2151和第一切边2154，第一切边2154的数量可以为一个，也可以为两个。例如，如图15所示，第五透镜215的光学有效部d1包括有效径区域2151和两个第一切边2154，两个第一切边2154可以相对于第五透镜215光学中 心对称设置在有效径区域2151两侧。
其中，第五透镜215的非光学有效部d2可以包括第一非有效区域2152和第二非有效区域2153，第一非有效区域2152沿着有效径区域2151的外边缘设置，第二非有效区域2153沿着第一切边2154的底端设置。第一非有效区域2152和第二非有效区域2153形成环形的非光学有效部d2。其中，为了减小第五透镜215的非光学有效部d2的宽度，所以对第二非有效区域2153进行切边，如图15所示，第二非有效区域2153具有第二切边2155，例如，第二非有效区域2153的外边缘的部分区域被切除，使得第二非有效区域2153的宽度减小。本申请实施例中，第二非有效区域2153位于第一切边2154处，第五透镜215的第一非有效区域2152和第二非有效区域2153围成类似跑道形状的非光学有效部d2。
其中，本申请实施例中，第一切边2154可以如图15所示为纵切面，在一些其他示例中，第一切边2154还可以为朝向第二非有效区域2153倾斜的斜面。
本申请实施例中，通过第二非有效区域2153具有第二切边2155，这样减小了第五透镜215在第二非有效区域2153处的宽度。通过在第五透镜215的第一切边2154处设置第二非有效区域2153，确保了光学有效部d1的第一切边2154处具有非有效径区域(例如第二非有效区域2153)，这样第五透镜215在镜筒219内组立时，第五透镜215的第一非有效区域2152与镜筒219内的弧形承靠段c3承靠，第二非有效区域2153与镜筒219内的直形承靠段c1承靠，位于第五透镜215两侧的第二隔片217a和压圈216a在组立后，第二隔片217a和压圈216a的部分区域可以与镜筒219内的承靠部2190承靠，第二隔片217a和压圈216a的其余部分区域可以与第五透镜215的第二非有效区域2153和第一非有效区域2152搭接承靠，这样确保了压圈216a和第二隔片217a与第五透镜215在镜筒219内组立的稳定性。
另外，第五透镜215的第一切边2154处具有第二非有效区域2153，第五透镜215与压圈216a和第二隔片217a在镜筒219内组立后，第二非有效区域2153朝向像方和物方的两面可以分别与第二隔片217a和压圈216a的部分区域进行承靠，这样实现了压圈216a和第二隔片217a与第五透镜215在第一切边2154处的承靠作用，使得第五透镜215的整个外边缘均与压圈216a以及第二隔片217a进行承靠，确保了第五透镜215在镜筒219内组立时承靠更稳定，另外，避免了压圈216a和第二隔片217a对第五透镜215有效径区域2151的遮挡。
在一些示例中，如图16所示，第五透镜215的光学有效部d1包含两个第一切边2154和有效径区域2151时，两个第一切边2154之间的最小距离H1大于等于感光元件25的短边长度H2，这样确保了感光元件25上各个感光区域均可以感应光线，从而生成完整的图像信息。在一些示例中，感光元件25的短边长度H2可以为3.917mm，第五透镜215的光学有效部d1的直径可以为5.3mm，这样两个第一切边2154之间的最小距离H1大于等于3.917mm，例如，两个第一切边2154之间的最小距离H1可以为4mm，这样第五透镜215的光学有效部d1切除的宽度为0.65mm，两个切边切除的宽度为1.3mm，或者两个第一切边2154之间的最小距离H1可以为4.5mm，这样第五透镜215的光学有效部d2切除的宽度为0.4mm，两个切边切除的宽度为0.8mm。
本申请实施例中，第二非有效区域2153的宽度H3可以为0.1mm-0.65mm，例如，第二非有效区域2153的宽度H3可以为0.35mm，或者第二非有效区域2153的宽度H3还可 以为0.25mm。需要说明的是，第二非有效区域2153的宽度H3可以但不限于为上述数值，设置时，第二非有效区域2153可供第二隔片217a和压圈216a承靠即可。
在一种可能的实现方式中，第四透镜214可以包括光学有效部d1和围设在光学有效部d1外缘的非光学有效部d2，切边时，对第四透镜214的非光学有效部d2进行切边，如图17所示，第四透镜214的光学有效区域2141未切边，第四透镜214的非光学有效部d2可以包括第三非有效区域2142和第四非有效区域2144，第四非有效区域2144可以包括至少一个第三切边2143，示例性的，图17中示出两个第三切边2143，通过设置第三切边2143，这样使得第四透镜214的第四非有效区域2144的宽度H4减小，这样第四透镜214在满足成像基础上减小了第四非有效区域2144的宽度，当第四透镜214的第四非有效区域2144的宽度减小时，镜筒219在第四透镜214处的壁厚可以增大，这样镜筒219在该处的强度较大。
其中，本申请实施例中，第四透镜214的第四非有效区域2144的宽度H4可以为0.2-0.35mm，例如，第四透镜214的光学有效部d1的直径可以为3.9mm，第四透镜214的非光学有效部d2的直径可以为4.7mm，所以第三非有效区域2142的宽度可以为0.4mm，第四非有效区域2144的宽度H4可以为0.25mm，或者可以为0.3mm。
在一种可能的实现方式中，第四透镜214和第五透镜215切边后，第二隔片217a为了与第四透镜214和第五透镜215的非光学有效部d2承靠，所以，第二隔片217a可以包括弧形段2171和至少一个平直段2172，弧形段2171和平直段2172围成环形隔片。本申请实施例中，当第四透镜214和第五透镜215具有两个切边时，如图18所示，第二隔片217a可以包括：两个弧形段2171和两个平直段2172，第二隔片217a的弧形段2171和平直段2172围成类似跑道形状的环形结构。第二隔片217a在镜筒219内组立时，第二隔片217a的弧形段2171承靠在镜筒219内的弧形承靠段，第二隔片217a的平直段2172承靠在镜筒219内的直形承靠段。
示例性的，如图18所示，第二隔片217a朝向第四透镜214的一面中，弧形段2171可以包括弧形外区a2和弧形内区a1，平直段2172包括平直外区b2和平直内区b1，装配时，可以参加图10所示，弧形外区a2和平直外区b2可以承靠在镜筒219内的承靠部2190上，弧形内区a1和平直内区b1可以承靠在第四透镜214的第三非有效区域2142和第四非有效区域2144区域上。第二隔片217a朝向第五透镜215的一面承靠在第五透镜215的第一非有效区域2152和第二非有效区域2153处。
本申请实施例中，第二隔片217a的内侧壁呈倾斜状设置(图18中与弧形内区a1和平直内区b1相连的侧壁)，这样使得第二隔片217a朝向第五透镜215的一端开口增大，避免第二隔片217a对第五透镜215光学有效区域的遮挡。
在一种可能的实现方式中，对压圈216a进行切边，切边后，压圈216a的结构可以参考图18所示的第二隔片217a的结构，例如，压圈216a也可以包括弧形区域(参考图18中的弧形段2171)和平直区域(参考图18中的平直段2172)，平直区域的数量可以为一个，也可以为两个，当压圈216a的平直区域为两个时，压圈216a的平直区域和弧形区域围成类似跑道形状的弧形压圈，组立时，压圈216a的弧形区域承靠在镜筒219内的弧形承靠段c3，压圈216a的平直区域承靠在镜筒219内的直形承靠段c1，压圈216a朝向第五透镜215的一面的部分区域抵在镜筒219的承靠部2190上，其余部分可以抵在第五透镜215 的第一非有效区域2152和第二非有效区域2153上。本申请实施例中，压圈216a与后镜筒2197的底端内壁之间可以通过粘合方式进行固定，这样各个透镜、遮光片和隔片通过压圈216a组立在镜筒219内。
在一些其他示例中，镜头21还可以作为后置摄像头模组的镜头，例如，电子设备还可以包括：后置摄像头模组，后置摄像头模组可以包括上述的镜头21、支架24、感光元件25和柔性板26，该后置摄像头模组可以设置在金属中板32朝向后盖60的一面上，该后置摄像头模组的镜头21朝向后盖60，后盖60上开设开孔，镜头21的头部安装在后盖60上开设的开孔中，本申请实施例中，由于镜头21的底部进行切边，所以镜头21底部宽度减小，这样后盖60上开设的开孔在X方向或Y方向上的宽度减小，后盖60的开孔面积减小，后盖60外观更美观以及后盖60的强度更佳。另外，镜头21底部宽度减小，使得镜头21的体积减小，这样后置摄像头模组在电子设备内占用的空间减小，电子设备内节省的空间可以设置其他器件。
场景二
本申请实施例中，如图19所示，透镜组可以包括6个透镜，分别为：第一透镜211、第二透镜212、第三透镜213、第四透镜214、第五透镜215和第六透镜216。其中，前透镜组可以包含3个透镜，分别为第一透镜211、第二透镜212和第三透镜213。后透镜组可以包括：第四透镜214、第五透镜215和第六透镜216，其中，第五透镜215位于第四透镜214和第六透镜216之间，第六透镜216靠近像方侧，第五透镜215和第六透镜216的结构可以参考上述场景一中第五透镜215的结构。例如，如图19所示，第六透镜216可以包括：光学有效部d1和非光学有效部d2，第五透镜215和第六透镜216的非光学有效部d2之间可以设置第三隔片217c，压圈216a压在第六透镜216朝向像方侧的非光学有效部d2上，也即是，本申请实施例中，在第五透镜215和压圈216a之间增加第三隔片217c和第六透镜216。
其中，本申请实施例中，切边时，第四透镜214、第二隔片217a、第五透镜215、第三隔片217c、第六透镜216和压圈216a进行切边，其中，第四透镜214、第二隔片217a、第五透镜215和压圈216a的结构可以参考上述场景一中的描述。第六透镜216的光学有效部d1和非光学有效部d2的切边方式可以参考图15中第五透镜215的切边结构，例如，第六透镜216的光学有效部d1可以具有至少一个切边，第六透镜216的非光学有效部d2可以包括沿着切边设置的第五非有效区域和沿着光学有效区域边缘设置的第六非有效区域(参见图15中第一非有效区域2152和第二非有效区域2153)，第五非有效区域的外边缘具有切边(可以参考图15中的第二切边2155)。
本申请实施例中，通过第六透镜216和第三隔片217c进行切边处理，这样在增加第六透镜216的前提下，减小了镜头21后镜筒2197的体积和截面积，降低了镜头21在电子设备内的占用空间，节省出的空间可以使得电子设备内设置更多的器件，另外，减小了显示屏10上的开孔11大小，使得显示屏10上的异形区(例如Notch区)面积减小，屏占比更高。
在本申请实施例的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应作广义理解，例如，可以是固定连接，也可以是通过中间媒介间接相连， 可以是两个元件内部的连通或者两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
本申请实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
最后应说明的是：以上各实施例仅用以说明本申请实施例的技术方案，而非对其限制；尽管参照前述各实施例对本申请实施例进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请实施例各实施例技术方案的范围。

Claims (18)

  1. 一种镜头，应用于具有感光元件的摄像头模组中，其特征在于，包括：
    镜筒以及设在所述镜筒内的前透镜组和后透镜组，所述前透镜组靠近物方侧，所述后透镜组靠近像方侧；
    所述后透镜组中靠近像方侧的透镜包括：光学有效部和围设在所述光学有效部外边缘的非光学有效部；
    所述光学有效部包括：有效径区域和至少一个第一切边；
    所述非光学有效部包括：第一非有效区域和第二非有效区域，所述第一非有效区域沿着所述有效径区域的外边缘设置，所述第二非有效区域沿着所述第一切边设置，所述第二非有效区域的外边缘上具有第二切边；
    所述镜筒靠近所述后透镜组的外侧壁具有至少一个切面，所述第二切边在所述镜筒内朝向所述切面。
  2. 根据权利要求1所述的镜头，其特征在于，所述第一切边的数量为两个，且所述两个第一切边相对所述光学有效部的中心对称设置。
  3. 根据权利要求2所述的镜头，其特征在于，所述两个第一切边之间的距离大于等于所述感光元件的短边宽度。
  4. 根据权利要求1-3任一所述的镜头，其特征在于，所述第二非有效区域的宽度为0.1-0.65mm。
  5. 根据权利要求1-4任一所述的镜头，其特征在于，所述镜筒包括前镜筒、中间镜筒和后镜筒，所述后镜筒的外侧壁包括所述切面以及与所述切面相连的弧形侧面。
  6. 根据权利要求5所述的镜头，其特征在于，所述后镜筒靠近所述切面的内壁上具有多个直形承靠段，所述后镜筒靠近所述弧形侧面的内壁上具有多个弧形承靠段。
  7. 根据权利要求5或6所述的镜头，其特征在于，所述后镜筒的外侧壁上具有两个所述切面和两个所述弧形侧面，两个所述切面相对所述镜筒的中心线对称设置。
  8. 根据权利要求7所述的镜头，其特征在于，
    所述两个切面之间的距离为h1，0.8h2≤h1＜h2，所述h2为所述两个弧形面之间的最大距离。
  9. 根据权利要求1-8任一所述的镜头，其特征在于，所述后透镜组包括至少两个透镜，
    所述至少两个透镜中靠近所述前透镜组的透镜包括：光学有效部和非光学有效部，且靠近所述前透镜组的透镜的非光学有效部外边缘具有第三切边，所述第三切边朝向所述切面。
  10. 根据权利要求9所述的镜头，其特征在于，所述后透镜组包括三个透镜，所述三个透镜中位于两个透镜之间的中间透镜以及靠近所述像方侧的透镜均包括所述有效径区域、至少一个所述第一切边、所述第一非有效区域、所述第二非有效区域以及所述第二切边。
  11. 根据权利要求1-10任一所述的镜头，其特征在于，还包括：位于所述镜筒内的至少两个隔片，所述至少两个隔片中的其中一个隔片位于前透镜组和所述后透镜组之间，所述至少两个隔片中的其余隔片位于所述后透镜组中相邻两个透镜的非光学有效部之间。
  12. 根据权利要求11所述的镜头，其特征在于，位于所述后透镜组中相邻两个透镜之间的所述隔片包括：弧形段和平直段，所述弧形段和所述平直段围成环形结构，所述平直段朝向所述切面。
  13. 根据权利要求1-12任一所述的镜头，其特征在于，还包括：压圈，所述压圈与所述镜筒朝向像方侧的一端内壁相连，所述后透镜组位于所述前透镜组和所述压圈之间；
    所述压圈包括弧形区域和平直区域，所述平直区域朝向所述切面。
  14. 根据权利要求1-13任一所述的镜头，其特征在于，所述前透镜组包括至少三个透镜，所述三个透镜中相邻两个透镜的非光学有效部之间设置遮光片。
  15. 一种摄像头模组，其特征在于，至少包括：
    柔性板、感光元件、支架、滤光片和上述权利要求1-14任一所述的镜头，所述支架位于所述镜头和所述柔性板的一端之间，所述感光元件位于所述柔性板与所述镜头相对的一端，所述滤光片位于所述感光元件和所述镜头之间。
  16. 一种电子设备，其特征在于，至少包括：
    显示屏、后盖、中框和至少一个上述权利要求15所述的摄像头模组，所述显示屏和所述后盖分别位于所述中框的两侧，所述摄像头模组设置在所述中框上，所述摄像头模组的镜头朝向所述显示屏或者朝向所述后盖。
  17. 根据权利要求16所述的电子设备，其特征在于，所述摄像头模组为前置摄像头模组，或者，所述摄像头模组为后置摄像头模组。
  18. 根据权利要求16所述的电子设备，其特征在于，所述摄像头模组的数量为两个，其中一个所述摄像头模组为后置摄像头模组，另一个所述摄像头模组为前置摄像头模组。
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