TW201541955A - Image-capturing module having a built-in dustproof structure - Google Patents

Abstract

An image-capturing module having a built-in dustproof structure includes an image-sensing unit, a housing frame and an actuator structure. The image-sensing unit includes a carrying substrate and an image-sensing chip. The housing frame is disposed on the carrying substrate and around the image-sensing chip. The actuator structure is disposed on the housing frame and above the image-sensing chip. The actuator structure includes a lens holder and a movable lens assembly movably disposed inside the lens holder. The lens holder has a first surrounding structure disposed on the inner surrounding surface thereof, and the movable lens assembly has a second surrounding structure disposed on the outer surrounding periphery surface and above the first surrounding structure. The first surrounding structure of the lens holder and the second surrounding structure of the movable lens assembly are mated with each other to form the built-in dustproof structure.

Description

Image capture module with built-in dustproof structure

The invention relates to an image capturing module, in particular to an image capturing module with a built-in dustproof structure.

In recent years, the trend of handheld devices such as mobile phones and PDAs has become increasingly popular, and with the market demand for better handheld devices and smaller size, The group has faced the dual requirements of higher image quality and miniaturization. In view of the improvement of the image quality of the image capture module, on the one hand, the pixel is improved. The market trend is from the original VGA level of 30 pixels, which has progressed to the current two million pixels and five million pixels commonly available on the market. One thousand is a million pixels, and even more has been introduced to a higher level of more than 41 million pixels. In addition to the improvement of pixels, on the other hand, the resolution of the image is taken care of. Therefore, the image capturing module of the handheld device is also developed by the fixed focus image capturing function toward the camera-like optical autofocus function or even the optical zoom function. The optical autofocus function is operated according to different distances and close distances of the target object to appropriately move the lens in the image capturing module, so that the optical image of the image capturing object can be accurately focused on the image sensor. To produce a clear image. At present, the actuation mode that drives the lens movement in the image capturing module is generally common, including stepping motor actuation, piezoelectric actuation, and voice coil motor (VCM) actuation. However, the conventional image capturing module does not design a better dustproof structure.

An embodiment of the present invention provides an image capture system with a built-in dustproof structure. Module.

An image capturing module with a built-in dustproof structure includes an image sensing unit, a frame housing and an actuator structure. The image sensing unit includes a carrier substrate and an image sensing chip disposed on the carrier substrate and electrically connected to the carrier substrate. The frame housing is disposed on the carrier substrate and surrounds the image sensing wafer. The actuator structure is disposed on the frame housing and above the image sensing wafer, wherein the actuator structure includes a lens carrier disposed on the frame housing and an movable A movable lens assembly disposed within the lens holder. Wherein the inner peripheral surface of the lens carrier has a first surrounding structure, and the outer peripheral surface of the movable lens assembly has a second surrounding structure disposed above the first surrounding structure The first surrounding structure of the lens carrier and the second surrounding structure of the movable lens assembly cooperate to form the built-in dustproof structure.

Another embodiment of the present invention provides an image capturing module having a built-in dustproof structure, including: an image sensing unit, a frame housing, and an actuator structure. The image sensing unit includes a carrier substrate and an image sensing chip disposed on the carrier substrate and electrically connected to the carrier substrate. The frame housing is disposed on the carrier substrate and surrounds the image sensing wafer. The actuator structure is disposed on the frame housing and above the image sensing wafer, wherein the actuator structure includes a lens carrier disposed on the frame housing and a lens holder a movable lens assembly in the lens holder, the inside of the lens carrier has a surrounding movable member, the movable lens assembly is fixed in the surrounding movable member, and the movable lens assembly passes The surrounding movable member is movably disposed within the lens carrier. Wherein the inner surrounding surface of the surrounding movable member of the lens carrier has a first surrounding structure, and the outer peripheral surface of the movable lens assembly has a first surrounding structure disposed thereon. a second surrounding structure above, the first surrounding knot of the surrounding movable member The second surrounding structure of the movable lens assembly cooperates to constitute the built-in dustproof structure.

The image capture module provided by the embodiment of the present invention may be permeable to the inner circumferential surface of the lens carrier having a first surrounding structure, the movable lens assembly. a second surrounding structure disposed on the outer peripheral surface above the first surrounding structure, the first surrounding structure of the lens carrier and the second surrounding of the movable lens assembly The structures are coordinated to each other to constitute the built-in dustproof structure. Thereby, when the external dust enters from the gap between the lens carrier (or the surrounding movable member) and the movable lens assembly, the first surrounding structure and the second surrounding structure When the built-in dustproof structure is formed, external dust may be "collected in the first surrounding accommodation space by being blocked by the first surrounding blocking portion" or "by the second surrounding shape The barrier portion is blocked and collected in the second surrounding accommodation space to achieve dust prevention.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

M‧‧‧Image Capture Module

1‧‧‧Image sensing unit

10‧‧‧Loading substrate

11‧‧‧Image sensing wafer

111‧‧‧Electrical pads

2‧‧‧Frame housing

200‧‧‧ top opening

3‧‧‧Activity structure

30‧‧‧Lens carrier

3000‧‧‧ inner surrounding surface

300‧‧‧First surrounding structure

300A‧‧‧First surrounding extension

300B‧‧‧First surrounding barrier

300C‧‧‧First surrounding space

30M‧‧‧around movable parts

31‧‧‧Removable lens assembly

3100‧‧‧ outer peripheral surface

310‧‧‧Second surrounding structure

310A‧‧‧Second revolving extension

310B‧‧‧Second surrounding blocking

310C‧‧‧Second surrounding space

4‧‧‧ Filter elements

W‧‧‧Flexible wire

H‧‧‧Fixed colloid

1 is a side cross-sectional view of an image capturing module having a built-in dustproof structure according to a first embodiment of the present invention.

Fig. 2 is an enlarged schematic view showing a portion A of Fig. 1.

3 is a side cross-sectional view showing the structure of an image capturing module having a built-in dustproof structure using another actuator structure according to the first embodiment of the present invention.

4 is a side cross-sectional view of an image capturing module having a built-in dustproof structure according to a second embodiment of the present invention.

Fig. 5 is an enlarged schematic view showing a portion B of Fig. 4.

FIG. 6 is a side cross-sectional view of an image capturing module having a built-in dustproof structure according to a third embodiment of the present invention.

Fig. 7 is an enlarged schematic view showing a portion C of Fig. 6.

FIG. 8 is a side cross-sectional view showing an image capturing module with a built-in dustproof structure according to a fourth embodiment of the present invention.

Fig. 9 is an enlarged schematic view showing a portion D of Fig. 8.

The following describes an embodiment of the "image capturing module having a built-in dustproof structure" disclosed by the present invention by a specific specific example. Those skilled in the art can easily understand other advantages of the present invention from the contents disclosed in the present specification. And efficacy. The present invention may be embodied or applied in various other specific embodiments, and various modifications and changes can be made without departing from the spirit and scope of the invention. Further, the drawings of the present invention are merely illustrative, and are not depicted in actual dimensions, that is, the actual dimensions of the related structures are not reflected, which will be described first. The following embodiments are intended to further explain the related art of the present invention, but are not intended to limit the technical scope of the present invention.

[First Embodiment]

Please refer to FIG. 1 and FIG. 2 , wherein FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 . A first embodiment of the present invention provides an image capturing module M having a built-in dustproof structure, comprising: an image sensing unit 1, a frame housing 2, and an actuator structure 3.

First, as shown in FIG. 1 , the image sensing unit 1 includes a carrier substrate 10 and an image sensing wafer 11 disposed on the carrier substrate 10 and electrically connected to the carrier substrate 10 . For example, the image sensing wafer 11 can be a CMOS image sensing wafer, and the image sensing wafer 11 can be set by an adhesive (not labeled, such as UV adhesive, thermosetting adhesive, or in-furnace hardening glue, etc.). On the carrier substrate 10. In addition, the carrier substrate 10 can be a circuit substrate having a plurality of conductive pads (not labeled) on the upper surface thereof. The upper surface of the image sensing wafer 11 has a plurality of conductive pads 111, and each of the image sensing wafers 11 is electrically conductive. The soldering pad 111 can be electrically connected to the conductive pad of the carrier substrate 10 through a conductive wire W, thereby achieving the image sensing wafer 11 and the carrier substrate. Electrical continuity between 10.

Furthermore, as shown in FIG. 1 , the frame housing 2 is disposed on the carrier substrate 10 and surrounds the image sensing wafer 11 , and the actuator structure 3 is disposed on the frame housing 2 and located above the image sensing wafer 11 , and The actuator structure 3 includes a lens holder 30 disposed on the frame housing 2 and a movable lens assembly 31 movably disposed within the lens holder 30. For example, the frame housing 2 can be disposed on the carrier substrate 10 by an adhesive (for example, a UV adhesive, a thermosetting adhesive, or an in-furnace hardener, etc.), and the lens holder 30 can also be adhered to the lens (for example, UV). An adhesive, a thermosetting glue, or an in-furnace hardening glue or the like is provided to be disposed on the frame housing 2, and the movable lens assembly 31 may be composed of a plurality of optical lenses. In addition, it is worth mentioning that, as shown in FIG. 1, the actuator structure 3 can be a voice coil actuator, but the invention is not limited thereto (as shown in FIG. 3).

Further, as shown in FIG. 1 , the image capturing module M of the present invention having a built-in dustproof structure further includes: a filter element 4 , wherein the filter element 4 is disposed on the frame housing 2 and Located between the image sensing wafer 11 and the movable lens assembly 31. Further, the top end of the frame housing 2 has a top end opening 200, and the top end opening 200 of the frame housing 2 is closed by the filter element 4.

Further, as shown in FIG. 1 and FIG. 2, the inner surrounding surface 3000 of the lens carrier 30 has a first surrounding structure 300, and the outer peripheral surface 3100 of the movable lens assembly 31 has a first setting. The second surrounding structure 310 above the surrounding structure 300, and the first surrounding structure 300 of the lens carrier 30 and the second surrounding structure 310 of the movable lens assembly 31 cooperate to form a built-in dustproof structure .

For example, as shown in FIG. 2, the first surrounding structure 300 has a first surrounding extension 300A and a horizontal extending horizontally from the inner surrounding surface 3000 of the lens carrier 30 toward the movable lens assembly 31. a first surrounding blocking portion 300B extending vertically upward from the first surrounding extending portion 300A, and an inner surrounding surface 3000 of the lens carrier 30, a first surrounding extending portion 300A, and a first surrounding blocking portion The three portions of the blocking portion 300B are sequentially connected to form a first surrounding accommodation space 300C. In addition, the second surrounding structure 310 has a second surrounding extension 310A extending horizontally from the outer peripheral surface 3100 of the movable lens assembly 31 toward the inner surrounding surface 3000 of the lens holder 30, and the second surrounding shape The extension 310A is adjacent to the first surrounding blocking portion 300B and disposed above the first surrounding blocking portion 300B. Further, the inner surrounding surface 3000 of the lens holder 30 and the outer peripheral surface 3100 of the movable lens assembly 31 are both "no screw surfaces" or "threaded surfaces".

Furthermore, as shown in FIG. 1 and FIG. 2, the inside of the lens holder 30 has a surrounding movable member 30M. The movable lens assembly 31 can be fixed in the surrounding movable member 30M by passing at least two or three fixing colloids H, so that the movable lens assembly 31 does not need to be fixed to the surrounding movable member by a full-circle surrounding fixing colloid. Within 30M, to save production time and production costs. In addition, since the movable lens assembly 31 is fixed in the surrounding movable member 30M by the fixing colloid H, the movable lens assembly 31 can be movably disposed in the lens holder 30 by the surrounding movable member 30M. Further, the inner surrounding surface 3000 of the surrounding movable member 30M and the outer peripheral surface 3100 of the movable lens assembly 31 are both "no screw surfaces" or "threaded surfaces". Furthermore, the first surrounding structure 300 has a first surrounding extension 300A extending horizontally from the inner surrounding surface 3000 of the surrounding movable member 30M toward the movable lens assembly 31 and a first surrounding extension 300A is a first surrounding blocking portion 300B extending vertically upward, and the inner surrounding surface 3000, the first surrounding extending portion 300A and the first surrounding blocking portion 300B of the surrounding movable member 30M are sequentially connected to form a first The space 300C is accommodated in a surrounding shape. The second surrounding structure 310 has a second surrounding extension 310A extending horizontally from the outer peripheral surface 3100 of the movable lens assembly 31 toward the inner surrounding surface 3000 of the surrounding movable member 30M, and extends in a second surrounding shape The portion 310A is adjacent to the first surrounding blocking portion 300B and disposed above the first surrounding blocking portion 300B.

Thereby, when the external dust comes from the lens carrier 30 or the surrounding movable member 30M When the gap between the inner surrounding surface 3000 and the second surrounding extension 310A of the movable lens assembly 31 enters the built-in dustproof structure composed of the first surrounding structure 300 and the second surrounding structure 310, the external dust The first surrounding shaped blocking portion 300B is blocked by the first surrounding shaped blocking portion 300B to be collected in the first surrounding shaped receiving space 300C for dust prevention purposes.

It is worth mentioning that in the following states, the surrounding movable member 30M can be fixed in the surrounding movable member 30M by fixing the colloid H. The state in which the surrounding movable member 30M can include: (1) the bottom end of the surrounding movable member 30M directly contacts the upper surface of the filter element 4; (2) the bottom end of the surrounding movable member 30M directly contacts the top end of the frame housing 2 (3) The second surrounding structure 310 directly contacts the first surrounding structure 300. However, the invention is not limited to the examples set forth above.

[Second embodiment]

Please refer to FIG. 4 and FIG. 5 , wherein FIG. 5 is an enlarged schematic view of a portion B of FIG. 4 . A second embodiment of the present invention provides an image capturing module M having a built-in dustproof structure, comprising: an image sensing unit 1, a frame housing 2, and an actuator structure 3. From the comparison of FIG. 4 with FIG. 1 and the comparison between FIG. 5 and FIG. 2, the greatest difference between the second embodiment of the present invention and the first embodiment is that in the second embodiment, the second surrounding structure 310 has a a second surrounding extension 310A extending horizontally from the outer peripheral surface 3100 of the movable lens assembly 31 toward the inner surrounding surface 3000 of the lens holder 30 and a second extending vertically downward from the second surrounding extension 310A Two surrounding blocking portions 310B, the second surrounding extending portion 310A is adjacent to the first surrounding shaped blocking portion 300B and disposed above the first surrounding shaped blocking portion 300B, and the first surrounding extended portion 300A is adjacent to the second surrounding shaped blocking portion 300B is disposed below the second surrounding blocking portion 300B. In other words, the second surrounding structure 310 has a second surrounding extension 310A extending horizontally from the outer peripheral surface 3100 of the movable lens assembly 31 toward the inner surrounding surface 3000 of the surrounding movable member 30M, and a second from the second The second surrounding blocking portion 310B extends vertically downward around the extending portion 310A.

Furthermore, as shown in FIG. 5, the outer peripheral surface 3100, the second surrounding extension 310A and the second surrounding blocking portion 310B of the movable lens assembly 31 are sequentially connected to form a second surrounding shape. The space 310C, a portion of the first surrounding blocking portion 300B is received in the second surrounding receiving space 310C, and a portion of the second surrounding blocking portion 310B is received in the first surrounding receiving space 300C. Thereby, when the external dust enters from the gap between the lens carrier 30 or the inner surrounding surface 3000 of the surrounding movable member 30M and the second surrounding structure 310 of the movable lens assembly 31, the first surrounding structure 300 and the first When the built-in dust-proof structure is formed by the surrounding structure 310, the external dust is blocked by the first surrounding blocking portion 300B and collected in the first surrounding accommodation space 300C to achieve the purpose of dust prevention.

It is worth mentioning that in the following states, the surrounding movable member 30M can be fixed in the surrounding movable member 30M by fixing the colloid H. The state in which the surrounding movable member 30M can include: (1) the bottom end of the surrounding movable member 30M directly contacts the upper surface of the filter element 4; (2) the bottom end of the surrounding movable member 30M directly contacts the top end of the frame housing 2 (3) The second surrounding structure 310 directly contacts the first surrounding structure 300. However, the invention is not limited to the examples set forth above.

[Third embodiment]

Please refer to FIG. 6 and FIG. 7 , wherein FIG. 7 is an enlarged schematic view of a portion C of FIG. 6 . A third embodiment of the present invention provides an image capturing module M having a built-in dustproof structure, comprising: an image sensing unit 1, a frame housing 2, and an actuator structure 3. From the comparison of FIG. 6 with FIG. 4 and the comparison between FIG. 7 and FIG. 5, the greatest difference between the third embodiment and the second embodiment of the present invention is that in the third embodiment, the first surrounding structure 300 has a A first surrounding extension 300A extending horizontally from the inner surrounding surface 3000 of the lens mount 30 toward the movable lens assembly 31. The second surrounding structure 310 has a second surrounding extension 310A extending horizontally from the outer peripheral surface 3100 of the movable lens assembly 31 toward the inner surrounding surface 3000 of the lens holder 30, and a second surrounding extension extending from the second surrounding shape Department 310A a second surrounding blocking portion 310B extending vertically, and the outer peripheral surface 3100, the second surrounding extending portion 310A and the second surrounding blocking portion 310B of the movable lens assembly 31 are sequentially connected to form a second surrounding The space 310C is accommodated. Thereby, when the external dust enters from the gap between the lens carrier 30 or the first surrounding extension 300A of the surrounding movable member 30M and the outer peripheral surface 3100 of the movable lens assembly 31, the first surrounding structure 300 is When the built-in dust-proof structure is formed by the second surrounding structure 310, the external dust is collected by the second surrounding blocking portion 310B and collected in the second surrounding accommodation space 310C for dustproof purposes.

[Fourth embodiment]

Please refer to FIG. 8 and FIG. 9 , wherein FIG. 9 is an enlarged schematic view of a portion D of FIG. 8 . A fourth embodiment of the present invention provides an image capturing module M having a built-in dustproof structure, comprising: an image sensing unit 1, a frame housing 2, and an actuator structure 3. 8 and FIG. 6 and FIG. 9 and FIG. 7 show that the greatest difference between the fourth embodiment of the present invention and the third embodiment is that in the fourth embodiment, the first surrounding structure 300 has a a first surrounding extending portion 300A extending horizontally from the inner surrounding surface 3000 of the lens mount 30 toward the movable lens assembly 31 and a first surrounding blocking portion extending vertically downward from the first surrounding extending portion 300A 300B, and the inner surrounding surface 3000 of the lens carrier 30, the first surrounding extending portion 300A and the first surrounding blocking portion 300B are sequentially connected to form a first surrounding receiving space 300C. Thereby, when the external dust enters the gap between the first surrounding structure 300 of the lens carrier 30 or the surrounding movable member 30M and the outer peripheral surface 3100 of the movable lens assembly 31, the first surrounding structure 300 and the first When the built-in dustproof structure is formed by the surrounding structure 310, the external dust is blocked by the second surrounding blocking portion 310B and collected in the second surrounding accommodation space 310C to achieve the purpose of dust prevention.

[Possible effects of the examples]

In summary, the image capturing module M provided by the embodiment of the present invention has a first surrounding structure on the inner surrounding surface 3000 of the lens carrier 30. 300. The outer peripheral surface 3100 of the movable lens assembly 31 has a second surrounding structure 310 disposed above the first surrounding structure 300, and the first surrounding structure 300 of the lens carrier 30 and the movable lens assembly The second surrounding structure 310 of 31 is designed to cooperate with each other to constitute a built-in dustproof structure. Thereby, when external dust is from the lens carrier 30 (or the surrounding movable member 30M) and the movable lens assembly 31 When the gap enters the built-in dustproof structure composed of the first surrounding structure 300 and the second surrounding structure 310, the external dust may be "collected by the first surrounding blocking portion 300B and collected in the first surrounding shape. The inside of the accommodating space 300C is "collected in the second surrounding accommodating space 310C by the blocking of the second surrounding blocking portion 310B" to achieve the purpose of dust prevention.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, equivalent technical changes made by using the present specification and the contents of the drawings are included in the protection scope of the present invention. .

3‧‧‧Activity structure

30‧‧‧Lens carrier

3000‧‧‧ inner surrounding surface

300‧‧‧First surrounding structure

300A‧‧‧First surrounding extension

300B‧‧‧First surrounding barrier

300C‧‧‧First surrounding space

30M‧‧‧around movable parts

31‧‧‧Removable lens assembly

3100‧‧‧ outer peripheral surface

310‧‧‧Second surrounding structure

310A‧‧‧Second revolving extension

H‧‧‧Fixed colloid

Claims (10)

An image capturing module having a built-in dustproof structure, comprising: an image sensing unit, the image sensing unit comprising a carrier substrate and a device disposed on the carrier substrate and electrically connected to the carrier An image sensing wafer of the substrate; a frame housing disposed on the carrier substrate and surrounding the image sensing wafer; and an actuator structure, the actuator structure being disposed on the frame a housing on the housing and above the image sensing wafer, wherein the actuator structure includes a lens carrier disposed on the frame housing and a movably disposed in the lens carrier Moving the lens assembly; wherein the inner peripheral surface of the lens carrier has a first surrounding structure, and the outer peripheral surface of the movable lens assembly has a first portion disposed above the first surrounding structure The two surrounding structures, the first surrounding structure of the lens carrier and the second surrounding structure of the movable lens assembly cooperate to constitute the built-in dustproof structure. An image capturing module having a built-in dustproof structure according to claim 1, further comprising: a filter element disposed on the frame housing and located in the image sensing Between the wafer and the movable lens assembly, wherein a top end of the frame housing has a top opening, and the top opening of the frame housing is closed by the filter element, wherein the lens carrier The inner surrounding surface and the outer peripheral surface of the movable lens assembly are both screwless surfaces or threaded surfaces. An image capturing module having a built-in dustproof structure according to claim 1, wherein the first surrounding structure has a light from the inner surrounding surface of the lens carrier toward the movable lens assembly a first surrounding extension extending horizontally and a first extending vertically upward from the first surrounding extension a surrounding blocking portion, and the inner surrounding surface of the lens carrier, the first surrounding extending portion and the first surrounding blocking portion are sequentially connected to form a first surrounding receiving portion a space, wherein the second surrounding structure has a second surrounding extension extending horizontally from the outer peripheral surface of the movable lens assembly toward the inner surrounding surface of the lens holder, And the second surrounding extension is adjacent to the first surrounding blocking and disposed above the first surrounding blocking. An image capturing module having a built-in dustproof structure according to claim 1, wherein the first surrounding structure has a light from the inner surrounding surface of the lens carrier toward the movable lens assembly a first surrounding extension extending horizontally and a first surrounding blocking portion extending vertically upward from the first surrounding extension, and the inner surrounding surface of the lens carrier, the first The surrounding extending portion and the first surrounding blocking portion are sequentially connected to form a first surrounding receiving space, wherein the second surrounding structure has an outer portion from the movable lens assembly a second surrounding extension extending horizontally in a direction of the inner surrounding surface of the lens carrier and a second surrounding blocking portion extending vertically downward from the second surrounding extension a second surrounding extension extending adjacent to the first surrounding blocking portion and disposed above the first surrounding blocking portion, and the first surrounding extending portion is adjacent to the second surrounding blocking portion and disposed in Below the second surrounding barrier. An image capturing module having a built-in dustproof structure according to claim 4, wherein the outer peripheral surface, the second surrounding extension, and the second surrounding blocking of the movable lens assembly The third portion is sequentially connected to form a second surrounding accommodation space, a portion of the first surrounding shape blocking portion is received in the second surrounding accommodation space, and the second surrounding blocking portion A portion is accommodated in the first surrounding accommodation space. An image capturing module with a built-in dustproof structure, comprising: An image sensing unit includes a carrier substrate and an image sensing chip disposed on the carrier substrate and electrically connected to the carrier substrate; a frame housing, the frame housing Provided on the carrier substrate and surrounding the image sensing wafer; and an actuator structure disposed on the frame housing and above the image sensing wafer, wherein the The actuator structure includes a lens carrier disposed on the frame housing and a movable lens assembly disposed in the lens carrier, the lens carrier having a surrounding movable member therein, a movable lens assembly is fixed in the surrounding movable member, and the movable lens assembly is movably disposed in the lens holder through the surrounding movable member; wherein the lens carrier is The inner surrounding surface of the surrounding movable member has a first surrounding structure, and the outer peripheral surface of the movable lens assembly has a second portion disposed above the first surrounding structure Around the structure, the movable member may be shaped around the first structure and the like around the lens assembly movable about a second cooperating structure, to constitute the built-in dust-proof structure. An image capturing module having a built-in dustproof structure according to claim 6, further comprising: a filter element disposed on the frame housing and located in the image sensing Between the wafer and the movable lens assembly, wherein a top end of the frame housing has a top opening, and the top opening of the frame housing is closed by the filter element, wherein the surrounding shape is movable The inner surrounding surface of the piece and the outer peripheral surface of the movable lens assembly are both a screwless surface or a threaded surface, wherein the bottom end of the surrounding movable member directly contacts the filter element Upper surface. An image capturing module having a built-in dustproof structure according to claim 6, wherein the first surrounding structure has a inner circumference from the surrounding movable member a first surrounding extension extending horizontally in a direction of the movable lens assembly and a first surrounding blocking portion extending vertically upward from the first surrounding extension, and the surrounding movable member The inner surrounding surface, the first surrounding extending portion and the first surrounding blocking portion are sequentially connected to form a first surrounding receiving space, wherein the second surrounding structure has a a second surrounding extension extending horizontally from the outer peripheral surface of the movable lens assembly toward the inner surrounding surface of the surrounding movable member, and the second surrounding extending portion is adjacent to the The first surrounding blocking portion is disposed above the first surrounding blocking portion, wherein a bottom end of the surrounding movable member directly contacts a top end of the frame housing. An image capturing module having a built-in dustproof structure according to claim 6, wherein the first surrounding structure has an inner surrounding surface from the surrounding movable member toward the movable lens assembly a first surrounding extension extending horizontally and a first surrounding blocking portion extending vertically upward from the first surrounding extension, and the inner surrounding surface of the surrounding movable member, The first surrounding extending portion and the first surrounding blocking portion are sequentially connected to form a first surrounding receiving space, wherein the second surrounding structure has a position from the movable lens assembly a second surrounding extension extending horizontally in a direction of the inner surrounding surface of the surrounding movable member and a second surrounding blocking extending vertically downward from the second surrounding extending portion a second surrounding extension extending adjacent to the first surrounding blocking portion and disposed above the first surrounding blocking portion, and the first surrounding extending portion is adjacent to the second surrounding blocking portion Department and Provided below the second surrounding blocking portion. An image capturing module having a built-in dustproof structure according to claim 9, wherein the outer peripheral surface, the second surrounding extension, and the second surrounding blocking of the movable lens assembly The three are sequentially connected to form a second surrounding accommodation space, and a part of the first surrounding blocking portion is accommodated in the second A surrounding portion is received in the surrounding space, and a portion of the second surrounding blocking portion is received in the first surrounding receiving space, wherein the second surrounding structure directly contacts the first surrounding structure.