Search

CN-119011974-B - Camera module and electronic equipment

CN119011974BCN 119011974 BCN119011974 BCN 119011974BCN-119011974-B

Abstract

The embodiment of the application discloses a camera shooting module and electronic equipment, wherein the camera shooting module comprises a circuit board, a base, a light filtering element, a photosensitive element, a lens and a motor, the base is provided with a vent hole, the vent hole comprises a plurality of micro holes, a cavity is formed by enclosing the light filtering element, the base and the circuit board, the micro holes are communicated with the cavity, and the motor is connected with the base and the lens. The application forms the vent hole communicated with the cavity on the base, can avoid the pressure difference between the cavity and the outside in the processes of external pressurization or baking and heating, and the like, thereby avoiding the occurrence of the problems of filter element fragmentation and the like caused by the existence of the pressure difference. The setting of a plurality of micro holes can be under the prerequisite of improving cavity and outside pressure difference, increases the degree of difficulty that impurity such as dust enters into the cavity, and then effectively avoids impurity to reach photosensitive element's imaging region, promotes the imaging effect of camera module. The motor is connected with the base, so that the connection path between the motor and the base can be shortened, and the connection is more reliable.

Inventors

  • ZHANG BAICHENG
  • LIU BINGBO
  • ZOU LINSHENG

Assignees

  • OPPO广东移动通信有限公司

Dates

Publication Date
20260505
Application Date
20230522

Claims (12)

  1. 1. A camera module, comprising: A circuit board; the base is connected with the circuit board and is provided with a vent hole, and the vent hole comprises a plurality of micro holes; the light filtering element is connected with the base, a cavity is formed by enclosing among the light filtering element, the base and the circuit board, and the micro holes are communicated with the cavity; The photosensitive element is positioned in the cavity, is connected with the circuit board and is electrically connected with the circuit board, and is positioned at the downstream of the optical filter element along the optical path transmission direction; A lens located upstream of the filter element along a light path transmission direction; The motor is connected with the base and the lens; The base comprises a bottom plate, wherein the bottom plate is arranged at intervals with the circuit board, the outer wall surface of the base comprises a first outer wall surface of the bottom plate, the first outer wall surface is provided with a second protruding part, and at least part of the vent hole extends to penetrate through the second protruding part; The motor comprises a fixed part and a movable part, wherein the fixed part is connected with the base, the movable part is connected with the lens, the movable part can move relative to the fixed part, a gap is reserved between the movable part and the fixed part, and at least part of the micro holes are communicated with the gap.
  2. 2. The camera module of claim 1, wherein the micro-holes have a micro-scale aperture.
  3. 3. The camera module of claim 1, wherein the camera module comprises a camera module, The aperture of the micro hole is larger than or equal to 0.6um and smaller than or equal to 30um; and/or, the interval between two adjacent micro holes is greater than or equal to 0.1um and less than or equal to 50um; and/or the number of micro holes is greater than or equal to 2 and less than or equal to 25.
  4. 4. The camera module of claim 1, wherein the base plate is connected to the filter element, the base further comprising: the peripheral side plate is positioned between the bottom plate and the circuit board and is connected with the bottom plate and the circuit board; Wherein at least part of the micro holes are arranged on the bottom plate.
  5. 5. The camera module of claim 1, wherein the base has an inner wall surface forming the cavity and the outer wall surface opposite the inner wall surface, The inner wall surface is provided with a first protruding part which is connected with the inner wall surface and protrudes out of the inner wall surface, and at least part of the vent hole extends to penetrate through the first protruding part; The outer wall surface is provided with the second bulge, the second bulge is connected the outer wall surface and is outstanding in the outer wall surface, at least part of air vent extends to run through the second bulge.
  6. 6. The camera module of claim 1, further comprising: the baffle is positioned in the cavity and separates the cavity into a first cavity and a second cavity which are communicated, at least part of the micro holes are arranged corresponding to the first cavity and are communicated with the first cavity, the photosensitive element is arranged corresponding to the second cavity, and the baffle is connected with the base and/or the circuit board.
  7. 7. The camera module of claim 6, wherein the barrier comprises: at least one baffle plate, the baffle plate is connected with the base and/or the circuit board, The first chamber is formed between the partition plate and the inner wall surface of the chamber formed by the base, or the number of the partition plates is multiple, and the first chamber is formed between the partition plates.
  8. 8. The camera module of claim 7, wherein the base plate is coupled to the filter element, the base further comprising: the periphery board, the periphery board is located the bottom plate with between the circuit board, the periphery board is connected the bottom plate with the circuit board, separate the baffle and connect the bottom plate with the periphery board.
  9. 9. The camera module according to claim 1, wherein the vent hole communicates with a projection of the port at one end of the chamber on the circuit board and a projection of the photosensitive element on the circuit board in a staggered manner; and/or the projection of the vent hole, which is communicated with the port at one end of the cavity, on the circuit board is arranged in a staggered manner with the electronic element on the circuit board.
  10. 10. The camera module of claim 1, wherein the base is formed with a through hole communicating with the cavity, the base is formed with a sink groove at the periphery of the through hole, the sink groove communicates with the through hole, and the filter element is located in the sink groove.
  11. 11. The camera module of claim 1, wherein the camera module comprises a camera module, The base is provided with an inner wall surface forming the cavity and an outer wall surface opposite to the inner wall surface, at least one end of part of the micro holes extends to penetrate through the inner wall surface, and the other end extends to penetrate through the outer wall surface; and/or, the camera module further comprises a screen plate, the screen plate is arranged corresponding to the vent hole and is connected with the base, and at least part of the micro holes are meshes of the screen plate; and/or, the base is connected with the circuit board in a sealing way; And/or the base is in sealing connection with the light filtering element; and/or the base is in sealing connection with the motor.
  12. 12. An electronic device comprising the camera module of any one of claims 1 to 11.

Description

Camera module and electronic equipment Technical Field The present application relates to the field of optical devices, and in particular, to a camera module and an electronic device. Background The lens module generally comprises a carrier, an optical filter, a photosensitive chip and a circuit board. In order to prevent external impurities from reaching the photosensitive chip and affecting imaging quality, it is common practice to provide an air vent on the carrier, and seal the air vent with glue after the lens cover (LHA) process to completely seal the space below the carrier. However, after the air escape hole is sealed, a pressure difference is easily generated between the lens module and the outside, and the problem that the device is damaged or the imaging quality is easily affected is easily caused. Disclosure of Invention The embodiment of the application provides a camera module and electronic equipment, which are used for solving the problems that in the related art, after an air escape hole is sealed, pressure difference is easily generated between a lens module and the outside, and the damage to devices or the influence on imaging quality are easily caused, for example, the problems that in the process of external pressurization or baking and heating and the like, the pressure difference between the lens module and the outside easily causes the breakage of an optical filter and the like, and for example, heat generated when the lens module works cannot be timely dissipated, and temperature difference is easily generated on the inner surface and the outer surface of the optical filter, so that water mist or small water drops are condensed on the inner surface of the optical filter, the imaging quality of the lens module is influenced and the like. In a first aspect, an embodiment of the present application provides an image capturing module, including: A circuit board; the base is connected with the circuit board and is provided with a vent hole, and the vent hole comprises a plurality of micro holes; the light filtering element is connected with the base, a cavity is formed by enclosing among the light filtering element, the base and the circuit board, and the micro holes are communicated with the cavity; The photosensitive element is positioned in the cavity, is connected with the circuit board and is electrically connected with the circuit board, and is positioned at the downstream of the optical filter element along the optical path transmission direction; A lens located upstream of the filter element along a light path transmission direction; And the motor is connected with the base and the lens. In a second aspect, an embodiment of the present application provides an electronic device, including any one of the above-mentioned camera modules. Compared with the case that the cavity is a closed cavity, the camera module and the electronic equipment can realize airflow through the vent holes, so that pressure difference between the cavity and the outside is avoided, and further, the problems that in the process of external pressurization or baking and heating and the like, a filter element is broken due to the existence of the pressure difference, or the imaging quality is affected due to the fact that condensation water mist or small water drops in the cavity cannot be emitted due to the fact that heat in the camera module cannot be emitted are avoided. The vent holes comprise a plurality of micro holes which are communicated with the cavity, and compared with the holes with larger apertures, the micro holes can increase the difficulty of entering the cavity by impurities such as dust and the like on the premise of improving the pressure difference between the cavity and the outside, so that the micro holes are not subjected to sealing treatment, the impurities can be effectively prevented from reaching the imaging area of the photosensitive element, and the imaging effect of the camera module is improved. The motor is connected with the base, so that the connection path between the motor and the base can be shortened and the connection is more reliable compared with the connection of the motor with the circuit board. Drawings In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic structural diagram of an image capturing module according to a first embodiment of the present application; FIG. 2 is a schematic top view of the camera module shown in FIG. 1; FIG. 3 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 2; FIG. 4 is a schematic