CN214591586U

CN214591586U - Lens module and electronic device

Info

Publication number: CN214591586U
Application number: CN202023009476.1U
Authority: CN
Inventors: 李静伟; 黄丁男; 宋建超; 李宇帅
Original assignee: Jincheng Sanying Precision Electronics Co ltd
Current assignee: Jincheng Sanying Precision Electronics Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-11-02
Anticipated expiration: 2030-12-14

Abstract

The application provides a lens module, which comprises a circuit board, a photosensitive chip, an optical filter, a supporting seat and a lens device, wherein the circuit board is provided with a first accommodating groove for accommodating the photosensitive chip; the lens device can be used for communicating light with the optical filter and the photosensitive chip through the inside of the supporting seat; the circuit board is provided with a dustproof piece for adsorbing dust and impurities, and the dustproof piece surrounds the edges of the four sides of the first accommodating groove and surrounds the photosensitive chip. The application provides a lens module can prevent dust, can promote the module and shoot the effect. The application also provides an electronic device using the lens module.

Description

Lens module and electronic device

Technical Field

The utility model relates to an electron and optical device field especially relate to a lens module and electron device.

Background

Under the background of rapid development of smart phones, there is an increasing demand for lens modules, and under such development background, most lens modules adopt precise components to cooperate to realize high-quality imaging pictures of the lens modules. The existing lens module comprises a circuit board, a photosensitive chip, an optical filter, a lens seat and a lens, wherein the photosensitive chip is installed on the circuit board, the optical filter is installed above the photosensitive chip through a support, and the lens seat bearing lens is installed on the circuit board. Because resistance-capacitance ware, drive etc. on sensitization chip, the circuit board are all in same inner space, and dust impurity etc. in case adhere to on sensitization chip, then can make the module of making a video recording shoot the image that becomes and have the black spot, seriously influence the formation of image quality of the module of making a video recording.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can solve the lens module of above-mentioned problem, this lens module can prevent dust to can promote the module and shoot the effect.

In addition, an electronic device having the lens module is also needed.

The utility model provides a lens module, which comprises a circuit board, a photosensitive chip, a light filter, a supporting seat and a lens device, wherein the circuit board is provided with a first accommodating groove for accommodating the photosensitive chip, the supporting seat is arranged on the circuit board and is covered with the photosensitive chip, the light filter is arranged inside the supporting seat and is arranged above the photosensitive chip at a distance, and the lens device is arranged on the supporting seat and is communicated with the inside of the supporting seat; the lens device can be used for communicating light with the optical filter and the photosensitive chip through the inside of the supporting seat; the circuit board is provided with a dustproof piece for adsorbing dust and impurities, and the dustproof piece surrounds the edges of the four sides of the first accommodating groove and surrounds the photosensitive chip.

Optionally, the dust-proof member is a glue layer of an integral film, the dust-proof member is provided with a first through hole penetrating through the whole length direction of the dust-proof member, the photosensitive chip protrudes out of the first through hole, and the edge of the dust-proof member is surrounded on the periphery of the first accommodating groove.

Optionally, the circuit board is provided with electronic components, and the electronic components form two rows of electronic component groups, are oppositely arranged on the circuit board, and are adjacent to two opposite side edges of the first accommodating groove; the dustproof piece is further provided with two second accommodating grooves, and the electronic component group is embedded into the second accommodating grooves when being installed.

Optionally, the size of the photosensitive chip is smaller than that of the first accommodating groove, a gap is formed between four sides of the photosensitive chip and the first accommodating groove, and a dustproof piece is arranged in the gap.

Optionally, the dust guard is a water-based protective film.

Optionally, the circuit board includes a first hard board portion, a second hard board portion and a flexible board portion, the flexible board portion is connected between the first hard board portion and the second hard board portion; the first accommodating groove, the photosensitive chip and the dust-proof piece are arranged on the first hard board part.

Optionally, the supporting seat includes a first surface and a first sidewall formed by four edges of the first surface extending downward and vertically, the first surface and the first sidewall enclose a first accommodating space, the first sidewall is cured on a first hard board portion mounted on the circuit board through an adhesive layer, and the first accommodating space accommodates the electronic component group, the photosensitive chip and the optical filter on the circuit board.

Optionally, the first surface is recessed downward to form a third receiving groove, the third receiving groove is provided with a second through hole, the optical filter is installed on the second through hole, and an edge of the optical filter is installed on the third receiving groove.

Optionally, the lens device includes a base and a lens, the lens is mounted on the base, and a second receiving space is provided on the base, and the second receiving space receives the optical filter correspondingly. The lens is communicated with the second accommodating space and further correspondingly communicated with the optical filter and the photosensitive chip.

The utility model also provides an use the electron device of camera lens module.

The utility model provides a camera lens module encloses and locates the sensitization chip periphery through being equipped with the dustproof piece on the circuit board to adsorb the pollutant that drops, solder resist, printing ink etc. promote the module and shoot the effect.

Drawings

Fig. 1 is a perspective view of a lens module according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the lens module shown in fig. 1.

Fig. 3 is a perspective view of the circuit board shown in fig. 1.

Fig. 4 is a schematic cross-sectional view taken along the line IV-IV of the lens module shown in fig. 1.

Fig. 5 is a schematic view of an electronic device using the lens module according to an embodiment of the present invention.

Description of the main elements

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

To further explain the technical means and effects of the present invention for achieving the intended purpose, the following detailed description is made of the lens module according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 and 2, a lens module 100 according to a preferred embodiment of the present invention includes a circuit board 1, a photo sensor chip 2, a filter 3, a supporting base 4, and a lens device 5. The photosensitive chip 2 is installed on the circuit board 1, the optical filter 3 is installed on the supporting seat 4, the supporting seat 4 is installed on the circuit board 1, and the optical filter 3 is arranged above the photosensitive chip 2 and is arranged at an interval with the photosensitive chip 2. When the supporting seat 4 is installed on the circuit board 1, a part of the circuit board 1 is covered and the photosensitive chip 2 is accommodated, and the lens device 5 is installed on the supporting seat 4.

In the present embodiment, the circuit board 1 is a flexible board, a rigid board or a rigid-flex board. Preferably, the circuit board 1 is a rigid-flex board, and the circuit board 1 includes a first hard board portion 10, a second hard board portion 12 and a soft board portion 14, and the soft board portion 14 is connected between the first hard board portion 10 and the second hard board portion 12.

Referring to fig. 4, the first hard board portion 10 is shaped like a rectangular frame, and the center of the first surface 102 is recessed downward to form a substantially square first receiving groove 104, and the first receiving groove 104 fixedly receives the photo sensor chip 2. The size of the photo chip 2 is slightly smaller than the first receiving groove 104, and there is a gap (not shown) between the four sides of the two receiving grooves. The first hard board portion 10 is further provided with a plurality of electronic components 16, and the electronic components 16 are combined into two rows of electronic component groups 17, which are oppositely arranged beside two opposite side edges of the first accommodating groove 104.

The first hard board portion 10 is further provided with a dust-proof member 18, which can be disposed corresponding to the structure of the first hard board portion 10 and is laid on the first surface 102 of the first hard board portion 10. The dust-proof component 18 is a hollow frame-shaped structure, and includes a first surface 180 and a second surface (not labeled in the figure) opposite to the first surface, and a first through hole 182 is formed on the first surface and penetrates through the whole length direction of the dust-proof component 18. The first surface 180 is provided with a protrusion 183 protruding from two opposite sides adjacent to the first through hole 182, and the second surface is recessed downward to form a second receiving groove 181 corresponding to the protrusion 183. The second receiving groove 181 is adjacent to two opposite sides 1820 of the first through hole 182, the second receiving groove 181 is a strip-shaped receiving groove, a notch direction of the strip-shaped receiving groove faces the electronic component group 17 when the strip-shaped receiving groove is installed, and the electronic component group 17 is embedded into the second receiving groove 181; the first through hole 182 corresponds to the first receiving groove 104, four sides of the first through hole correspond to four sides of the first receiving groove 104, and the photosensitive chip 2 protrudes out of the first through hole 182. The gap between the photosensitive chip 2 and the first receiving groove 104 may also be provided with a dust-proof member 18, and at this time, the dust-proof member 18 is only a film layer, and may be a sprayed film or an integral film disposed in the first receiving groove 104.

The dust-proof part 18 can be a dust-proof glue layer, can spout glue or customize into an integral film to the mode that the double faced adhesive tape is attached sets up on first hard board portion 10, dust-proof part 18 can vibrate or fall when lens module 100, adsorbs the pollutant that drops in it, dust impurity, solder resist etc. Dustproof 18 can adsorb impurity, and then prevents that dust impurity from attaching to on the sensitization chip, improves the formation of image quality of the module of making a video recording.

The dust-proof member 18 may be an integral film only for protecting the photo chip 2, and is an integral film provided with a first through hole 182, wherein the first through hole 182 is used for the photo chip 2 to protrude, and the edge of the first through hole is surrounded on the periphery of the first receiving groove 104. The dust-proof member 18 is disposed around the four edges of the first receiving groove 104 and surrounds the photo sensor chip 2. The dust-proof member 18 may also be disposed on the periphery of the first receiving slot 104 by spraying to form the dust-proof member 18. The dust-proof member 18 can adsorb the pollutants, solder resist, printing ink, etc. that drop to protect the photosensitive chip 2 prevents that dust impurity from falling on the photosensitive chip 2, influencing the imaging quality. In this embodiment, the dust-proof member 18 is a film layer provided with a protective layer for protecting the electronic component 16 and the photosensitive chip 2, the electronic component 16 is accommodated in the second accommodating groove 181, and the film layer on the periphery of the first accommodating groove 104 protects the photosensitive chip 2, so as to prevent dust and impurities from falling on the electronic component 16 and the photosensitive chip 2 on the circuit board 1 and affecting the imaging quality.

The dust-proof member 18 is a water-based protective film, and a compact and durable protective film layer is formed on the water base, so that suspended dust impurities, fibers and the like can be adsorbed, and air is purified.

Referring to fig. 5, an electrical connection portion (not shown) is mounted on the second hard plate portion 12. When the lens module 100 is applied to the electronic device 200, the electrical connection portion is used for signal transmission between the lens module 100 and other components of the electronic device 200. The electrical connection may be a connector or a gold finger. The photosensitive chip 2, the electronic element 16 and the electrical connection part are all located on the same surface of the circuit board 1.

In the present embodiment, the photosensitive chip 2 has a rectangular shape. The electronic component 16 may be a resistor, a capacitor, a diode, a transistor, a relay, a charged erasable programmable read-only memory (EEPROM), or other passive components.

Referring to fig. 3 and fig. 4, the supporting base 4 is a square frame structure and is fixed on the circuit board 1. The supporting base 4 includes a first surface 40 and a first sidewall 42 formed by four sides of the first surface 40 extending vertically downward, and the first surface 40 and the first sidewall 42 enclose a first receiving space 44. The first sidewall 42 is mounted on the first hard board portion 10 of the circuit board 1 by an adhesive layer, and the first receiving space 44 receives the electronic component 16, the photo sensor chip 2 and the optical filter 3 on the circuit board 1. The center of the first surface 40 is recessed downwards to form a third receiving groove 45, a square second through hole 46 is formed in the center of the third receiving groove 45, the second through hole 46 corresponds to the optical filter 3, and the edge of the optical filter 3 is fixed and mounted on the third receiving groove 45. The filter 3 is arranged above the photosensitive chip 2 at a distance. The first receiving space 44 plays a role of protecting the circuit board 1, and prevents dust and impurities from entering the lens module and affecting the imaging quality.

The supporting seat 4 is made of metal or plastic. Preferably, the material of the support seat 4 is aluminum alloy.

The lens device 5 is cured and mounted on the supporting base 4 through the adhesive layer 50, the lens device 5 includes a base 52 and a lens 54, the lens 54 is mounted on the base 52, the base 52 is a square frame body, a second accommodating space 56 is arranged on the base, and the second accommodating space 56 accommodates the optical filter 3 correspondingly. The lens 54 is disposed on the base 52 and is communicated with the second accommodating space 56, and further communicated with the optical filter 3, so that light enters the lens 54, and then enters the optical filter 3 and enters the light sensing chip 2.

The lens 54 of the lens device 5 and the base 52 are formed by assembling or integrally forming. In the present embodiment, the lens 54 is integrally formed with the base 52. The lens 54 includes a first lens portion 540 and a second lens portion 542. The first lens portion 540 and the second lens portion 542 are integrally formed, and the diameter of the second lens portion 542 is slightly smaller than that of the first lens portion 540. The first lens part 540 is connected to the filter 3, and a protective film 58 is mounted on the top of the first lens part 540 to protect the lens 54.

The lens module 100 can be applied to various electronic devices 200 having a camera module, such as mobile phones, wearable devices, computer devices, vehicles or monitoring devices.

The application provides lens module 100 has following beneficial effect: the circuit board 1 is provided with the dust-proof part 18 which is arranged around the periphery of the first accommodating groove 104 provided with the photosensitive chip 2 and can adsorb dropped pollutants, solder resist, printing ink and the like so as to protect the photosensitive chip 2, prevent dust impurities from falling on the photosensitive chip 2 and affecting the imaging quality and improve the module shooting effect; through the dustproof piece 18, the electronic element 16 and the photosensitive chip 2 can be protected, the electronic element 16 is accommodated through the second accommodating groove 181, the photosensitive chip 2 is protected by the film layer on the periphery of the first accommodating groove 104, dust and impurities are prevented from falling onto the electronic element 16 and the photosensitive chip 2 on the circuit board 1, imaging quality is prevented from being affected, and a module shooting effect is improved.

The above description is only an embodiment optimized for the lens module, but the practical application process is not limited to this embodiment. Other modifications and changes to the technical idea of the present application should be apparent to those skilled in the art and are intended to fall within the scope of the claims of the present application.

Claims

1. A lens module comprises a circuit board, a photosensitive chip, a light filter, a supporting seat and a lens device, wherein a first accommodating groove for accommodating the photosensitive chip is formed in the circuit board; the lens device can be used for communicating light with the optical filter and the photosensitive chip through the inside of the supporting seat; the photosensitive chip is characterized in that a dustproof piece for adsorbing dust and impurities is arranged on the circuit board, and the dustproof piece is arranged around the edges of the four sides of the first containing groove and surrounds the photosensitive chip.

2. The lens module as claimed in claim 1, wherein the dust-proof member is a glue layer of an integral film, the dust-proof member has a first through hole extending along the entire length direction thereof, the photo chip protrudes from the first through hole, and the edge of the dust-proof member surrounds the first receiving groove.

3. The lens module as claimed in claim 2, wherein the circuit board has electronic components thereon, the electronic components are arranged in two rows of electronic component groups, and the two rows of electronic component groups are oppositely disposed on the circuit board and adjacent to two opposite sides of the first receiving groove; the dustproof piece is further provided with two second accommodating grooves, and the electronic component group is embedded into the second accommodating grooves when being installed.

4. The lens module as claimed in claim 1, wherein the size of the photo chip is smaller than that of the first receiving groove, a gap is formed between four sides of the photo chip and the first receiving groove, and a dust-proof member is disposed in the gap.

5. The lens module as claimed in claim 1, wherein the dust-proof member is a water-based protective film.

6. The lens module as claimed in claim 3, wherein the circuit board includes a first hard board portion, a second hard board portion and a flexible board portion, the flexible board portion being connected between the first hard board portion and the second hard board portion; the first accommodating groove, the photosensitive chip and the dust-proof piece are arranged on the first hard board part.

7. The lens module as recited in claim 6, wherein the supporting base includes a first surface and a first sidewall extending vertically downward from four sides of the first surface, the first surface and the first sidewall defining a first receiving space, the first sidewall being mounted on the first hard board portion of the circuit board by an adhesive layer, the first receiving space receiving the electronic component assembly, the optical sensor chip and the optical filter on the circuit board.

8. The lens module as claimed in claim 7, wherein the first surface is recessed downward to form a third receiving groove, the third receiving groove has a second through hole, the optical filter is mounted on the second through hole, and an edge of the optical filter is mounted on the third receiving groove.

9. The lens module as claimed in claim 8, wherein the lens device includes a base and a lens, the lens is mounted on the base, the base has a second receiving space, the second receiving space correspondingly receives the optical filter, and the lens is in communication with the second receiving space and further in communication with the optical filter and the photo sensor chip.

10. An electronic device, comprising the lens module of any one of claims 1 to 9.