Mirror seat, camera module and electronic device

Abstract

The application provides a lens holder, comprising a support and a lens barrel arranged on the support, the support comprises a top plate and a plurality of side plates, the side plates are arranged on one side of the top plate to form a containing space, and the top plate is provided with a first light hole. The lens barrel is arranged on the side of the top plate away from the containing space, the orthographic projection of the lens barrel is located in the top plate, the lens barrel has a second light hole corresponding to the first light hole. The support is made of metal. The lens holder provided by the application is beneficial to the miniaturization of the camera module. In addition, the application also provides a camera module and an electronic device.

Description

TECHNICAL FIELD

[0001] The present application relates to a lens holder, a camera module and an electronic device. BACKGROUND

[0002] Generally, a mobile phone camera mainly comprises a lens assembly, a plastic lens holder and a circuit board. The lens assembly is bonded to one side of the plastic lens holder, and the circuit board is bonded to the other side of the plastic lens holder. However, due to the low structural strength of the plastic lens holder and the high bonding strength requirement of the plastic lens holder and the lens assembly and the circuit board, the size of the plastic lens holder needs to be set larger, which is not conducive to the miniaturization development of the mobile phone camera module. SUMMARY

[0003] In view of the above, it is necessary to provide a lens holder to solve the above problems.

[0004] In addition, it is also necessary to provide a camera module.

[0005] In addition, it is also necessary to provide an electronic device.

[0006] A lens holder comprises a support and a lens barrel provided on the support. The support comprises a top plate and a plurality of side plates. The side plates are arranged around one side of the top plate to form a containing space. The top plate is provided with a first light passing hole. The lens barrel is arranged on the side of the top plate away from the containing space. The normal projection of the lens barrel is located in the top plate. The lens barrel has a second light passing hole corresponding to the first light passing hole. The support is made of metal.

[0007] Further, the top plate comprises a body portion and a pull glue portion. The pull glue portion protrudes from the body portion. The pull glue portion is away from the containing space.

[0008] The lens barrel comprises a bottom plate and a side wall. The side wall is connected end to end to form the second light passing hole. Part of the side wall extends away from the second light passing hole to form the bottom plate. The bottom plate is arranged on the body portion. The pull glue portion is embedded in the side wall.

[0009] Further, the body portion is provided with a plurality of through holes. Part of the bottom plate is filled in the through holes.

[0010] Further, the body portion is further provided with a plurality of first escape holes. The first escape holes are in communication with the containing space. The bottom plate is provided with a plurality of second escape holes. The first escape holes and the second escape holes are in communication.

[0011] Further, the side plate comprises an inner side, an outer side and a connecting side, the inner side and the outer side are oppositely arranged, the inner side faces the accommodating space, the connecting side is connected between the inner side and the outer side, the connecting side faces away from the top plate, the connecting side is concave to form an opening, the opening penetrates the inner side and the outer side, and the opening is used for the part of the circuit board to extend out of the accommodating space.

[0012] Further, the lens barrel is made of plastic material, and the support and the lens barrel are integrally formed.

[0013] A camera module comprises a circuit board, a photosensitive chip, a filter, a lens assembly and the lens seat as described above, the lens assembly is accommodated in the second light passing hole, the filter is arranged on the side of the top plate facing away from the lens barrel, the filter covers the first light passing hole, part of the circuit board is accommodated in the accommodating space, the photosensitive chip is arranged on the circuit board, and the photosensitive chip corresponds to the lens assembly.

[0014] Further, the lens assembly comprises a shell and a plurality of optical lenses arranged in the shell, an outer thread is arranged on the outer side of the shell, an inner thread is arranged on the inner periphery of the second light passing hole, and the outer thread matches the inner thread.

[0015] Further, the camera module further comprises a glue, and the glue is arranged between the circuit board and the side plate.

[0016] An electronic device comprises the camera module as described above.

[0017] The application provides that the lens barrel is arranged with a support made of metal material to form the lens seat, the support made of metal material has excellent strength compared with plastic, which is beneficial to the reduction of the size of the support, thereby being beneficial to the miniaturization of the camera module. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A schematic diagram of a camera module provided by an embodiment of the application is shown.

[0019] Figure 2 A Figure 1 An exploded view of the camera module shown.

[0020] Figure 3 A Figure 1 A sectional view of the camera module shown along line III-III.

[0021] Figure 4 A Figure 1 A schematic diagram of the lens seat of the camera module shown.

[0022] Figure 5 AFigure 4 Another angle view of the mirror seat.

[0023] Figure 6 As shown in the figure. Figure 4 A cross-sectional view of the mirror seat along the line VI-VI.

[0024] Figure 7 As shown in the figure. Figure 4 A cross-sectional view of the mirror seat along the line VII-VII.

[0025] Figure 8 A schematic view of a mobile phone provided by an embodiment of the present application.

[0026] Main element symbol explanation

[0027] Camera module 100

[0028] Circuit board 10

[0029] Photosensitive chip 20

[0030] Filter 30

[0031] Lens assembly 40

[0032] Housing 41

[0033] External thread 411

[0034] Optical lens 42

[0035] Mirror seat 50

[0036] Support 51

[0037] Top plate 511

[0038] First light transmission hole 511a

[0039] Side plate 512

[0040] Inner side surface 512a

[0041] Outer side surface 512b

[0042] Connecting surface 512c

[0043] Opening 512d

[0044] Body part 513

[0045] Pulling rubber part 514

[0046] Through hole 515

[0047] First escape hole 516

[0048] Internal thread 517

[0049] lens barrel 52

[0050] second light passing hole 521

[0051] bottom plate 522

[0052] side wall 523

[0053] second escape hole 524

[0054] mobile phone 200

[0055] accommodation space R

[0056] length L

[0057] width W

[0058] height H

[0059] The following detailed description will further describe the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0060] The technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0061] Please refer to Figure 1 and Figure 2An embodiment of the present application provides a camera module 100, which comprises a circuit board 10, a photosensitive chip 20, a filter 30, a lens assembly 40 and a lens seat 50. The lens seat 50 comprises a support 51 and a lens barrel 52 arranged on the support 51. The support 51 comprises a top plate 511 and a plurality of side plates 512, the plurality of side plates 512 are arranged on one side of the top plate 511 to form a receiving space R, and the top plate 511 is provided with a first light through hole 511a. The lens barrel 52 is arranged on the side of the top plate 511 away from the receiving space R, and the lens barrel 52 is orthogonally projected in the top plate 511, the lens barrel 52 is provided with a second light through hole 521 corresponding to the first light through hole 511a, and the support 51 is made of metal. The lens assembly 40 is arranged in the second light through hole 521, the filter 30, the photosensitive chip 20 and part of the circuit board 10 are arranged in the receiving space R. Specifically, the filter 30 is arranged on the side of the top plate 511 away from the lens barrel 52, and the filter 30 covers the first light through hole 511a, one side of the photosensitive chip 20 is opposite to the first light through hole 511a, and the other side of the photosensitive chip 20 is connected to part of the circuit board 10. In operation, the light reflected by an object (not shown) is deflected and filtered by the lens assembly 40 and the filter 30, and an object real image (not shown) is formed on the photosensitive chip 20, the photosensitive chip 20 converts the object real image into an electrical signal, and the electrical signal is processed by the circuit board 10 to obtain image information.

[0062] Referring to Figure 3 In the present application, the lens barrel 52 is arranged on the support 51 made of metal to form the lens seat 50. The support 51 made of metal has better strength than plastic, which is beneficial to reducing the length L, the width W or the height H of the support 51, thereby facilitating the miniaturization of the camera module 100. In addition, the support 51 made of metal is beneficial to quickly conducting the heat in the receiving space R to the outside, and the support 51 made of metal can also play an electromagnetic shielding role to reduce the interference of external electromagnetic signals on the circuit board 10 or the photosensitive chip 20.

[0063] Referring to Figure 4 , Figure 5 and Figure 6In the embodiment, the top plate 511 comprises a body portion 513 and a pull-tab portion 514 protruding from the body portion 513 and away from the accommodation space R. The lens barrel 52 comprises a bottom plate 522 and a sidewall 523 disposed on the bottom plate 522. The sidewall 523 is connected end to end to enclose the second light passage hole 521. Part of the sidewall 523 near the bracket 51 extends away from the second light passage hole 521 to form the bottom plate 522. The bottom plate 522 is disposed on the top plate 511, and the pull-tab portion 514 is embedded in the sidewall 523, thereby enhancing the bonding strength between the bracket 51 and the lens barrel 52.

[0064] Referring to Figure 5 and Figure 7 In the embodiment, the body portion 513 is provided with a plurality of through holes 515, and part of the bottom plate 522 is filled in the through holes 515, thereby further enhancing the bonding strength between the bracket 51 and the lens barrel 52.

[0065] Referring to Figure 1 and Figure 5 In the embodiment, the body portion 513 is further provided with a plurality of first escape holes 516, which are in communication with the accommodation space R. The bottom plate 522 is provided with a plurality of second escape holes 524 corresponding to the first escape holes 516, so that the accommodation space R is in communication with the outside through the first escape holes 516 and the second escape holes 524, thereby facilitating the discharge of water vapor in the accommodation space R and reducing the influence of water vapor on the photosensitive chip 20.

[0066] Referring to Figure 5 In the embodiment, the side plate 512 comprises an inner side surface 512a, an outer side surface 512b, and a connecting surface 512c. The inner side surface 512a and the outer side surface 512b are oppositely and spacedly arranged, and the connecting surface 512c is connected between the inner side surface 512a and the outer side surface 512b. The inner side surface 512a faces the accommodation space R, the connecting surface 512c faces away from the top plate 511, and the connecting surface 512c is concave to form an opening 512d penetrating the inner side surface 512a and the outer side surface 512b. The opening 512d can be used for part of the circuit board 10 to extend out of the accommodation space R. Specifically, as Figure 2As shown, the circuit board 10 includes a first portion 11, a second portion 12, and a connecting portion 13 connected between the first portion 11 and the second portion 12. The first portion 11 is accommodated in the accommodation space R, the connecting portion 13 passes through the opening 512d, and the second portion 12 is arranged outside the accommodation space R.

[0067] In the embodiment, the lens barrel 52 is made of plastic, and the lens barrel 52 and the support 51 are integrally formed by insert molding.

[0068] Please refer to Figure 2 In the embodiment, the lens assembly 40 includes a housing 41 and a plurality of optical lenses 42 arranged in the housing 41. An outer side of the housing 41 is provided with external threads 411, and an inner periphery of the second light passing hole 521 is provided with a plurality of internal threads 517. The internal threads 517 are matched with the external threads 411, that is, the lens assembly 40 is detachably connected with the lens barrel 52 by threads.

[0069] Please refer to Figure 2 and Figure 3 In the embodiment, the camera module 100 further includes a gel 60 arranged between the first portion 11 and the side plate 512, so as to fill a gap between the circuit board 10 and the support 51, and seal the accommodation space R.

[0070] Please refer to Figure 8 The embodiment of the application further provides a mobile phone 200 including the camera module 100. In other embodiments of the application, the camera module 100 can also be arranged in electronic devices with camera functions, such as computers and smart watches.

[0071] In addition, those skilled in the art can make other changes within the spirit of the application, and of course, the changes made according to the spirit of the application should be included in the scope of protection claimed by the application.

Claims

1. A mirror base, characterized in that, The device includes a support and a lens barrel disposed on the support. The support includes a top plate and multiple side plates. The side plates surround one side of the top plate to form an accommodating space. The top plate is provided with a first light-transmitting hole. The lens barrel is disposed on the side of the top plate opposite to the accommodating space, and the forward projection of the lens barrel is located inside the top plate. The lens barrel has a second light-transmitting hole, which corresponds to the first light-transmitting hole. The bracket is made of metal. The top plate includes a body portion and a glue-pulling portion, the glue-pulling portion protruding from the body portion and the glue-pulling portion being away from the accommodating space; The lens barrel includes a base plate and sidewalls. The sidewalls are joined end to end to form the second light-transmitting hole. A portion of the sidewalls extends away from the second light-transmitting hole to form the base plate. The base plate is disposed on the main body. The adhesive-stretching portion is embedded in the sidewalls.

2. The mirror mount as described in claim 1, characterized in that, The main body has multiple through holes, and part of the bottom plate is filled into the through holes.

3. The mirror mount as described in claim 1, characterized in that, The main body is also provided with a plurality of first vent holes, which are connected to the accommodating space. The bottom plate is provided with a plurality of second vent holes, which are connected to the first vent holes and the second vent holes.

4. The mirror mount as described in claim 1, characterized in that, The side plate includes an inner side, an outer side, and a connecting surface. The inner side and the outer side are arranged opposite to each other, with the inner side facing the accommodating space. The connecting surface connects the inner side and the outer side, and is away from the top plate. The connecting surface is recessed to form an opening that penetrates the inner side and the outer side. The opening is used to allow a portion of the circuit board to extend out of the accommodating space.

5. The mirror mount as described in claim 1, characterized in that, The lens barrel is made of plastic, and the bracket and the lens barrel are integrally formed.

6. A camera module, characterized in that, The device includes a circuit board, a photosensitive chip, a filter, a lens assembly, and a lens mount as described in any one of claims 1 to 5. The lens assembly is housed within the second light-transmitting hole. The filter is disposed on the top plate on the side opposite to the lens barrel and covers the first light-transmitting hole. A portion of the circuit board is housed within the accommodating space. The photosensitive chip is disposed on the circuit board and corresponds to the lens assembly.

7. The camera module as described in claim 6, characterized in that, The lens assembly includes a housing and a plurality of optical lenses disposed inside the housing. The outer side of the housing is provided with an external thread, and the inner circumference of the second light-transmitting hole is provided with an internal thread. The external thread matches the internal thread.

8. The camera module as described in claim 6, characterized in that, It also includes an colloid disposed between the circuit board and the side plate.

9. An electronic device, characterized in that, Includes the camera module as described in any one of claims 7 to 8.

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