CN211603663U - Lens assembly and electronic equipment - Google Patents

Abstract

The utility model provides a lens component and an electronic device, relating to the technical field of electronic devices and solving the technical problem that the size of a light receiving end in the lens component is larger; the lens component provided by the utility model comprises a lens barrel and a lens component arranged in the lens barrel; the inner wall of the lens cone is provided with a first mounting surface, and the first mounting surface is back to the front end of the lens cone and is arranged at an acute angle with the axis of the lens cone; the lens assembly comprises a first lens, and a first bearing surface is arranged at the edge of the first lens; the first lens is arranged in the lens barrel, and the first bearing surface is jointed with the first mounting surface; the embodiment of the utility model provides a lens subassembly can effectively reduce the size of a dimension of light receiving end in the lens subassembly, can also guarantee the structural strength and the stability of lens subassembly.

Description

Lens assembly and electronic equipment

Technical Field

The utility model relates to a photoelectric equipment technical field especially relates to a lens subassembly and electronic equipment.

Background

With the wide application of electronic devices, users have higher requirements on the use experience of the electronic devices. Taking a mobile phone as an example, manufacturers and users have higher requirements on the screen occupation ratio of a display screen in the mobile phone, and the higher screen occupation ratio can enable the display screen to show a better display effect, so that the use experience of the users can be improved; however, the front of the mobile phone needs to be provided with components such as a lens assembly in addition to a display screen, so as to provide functions such as self-timer, video call, face recognition, and the like. Some manufacturers usually open a light hole structure in the display screen and set the lens assembly below the display screen in order to increase the screen occupation ratio of the display screen, and the display module can collect light in the external environment through the light hole structure in the display screen so as to reduce the occupation of the lens assembly on the front space of the mobile phone and increase the screen occupation ratio of the display screen; however, the size of seting up of light trap is influenced by the lens subassembly great, and because fails to give good consideration to the lighting performance and the atress performance of lens subassembly in the traditional lens subassembly, consequently, the size of light trap can not obtain effectual reduction to the screen that has reduced the display screen accounts for the ratio, is unfavorable for promoting user's use and experiences.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lens subassembly and electronic equipment that compact structure, small in size, structural strength are high.

In one aspect, an embodiment of the present invention provides a lens assembly, including a lens barrel and a first lens disposed in the lens barrel; the inner wall of the lens cone is provided with a first mounting surface, and the first mounting surface is back to the front end of the lens cone and is arranged at an acute angle with the axis of the lens cone; the edge of the first lens is provided with a first bearing surface, the first lens is arranged in the lens barrel, and the first bearing surface is jointed with the first mounting surface, so that the fixed connection between the first lens and the lens barrel is realized.

Particularly, the first mounting surface is obliquely arranged, so that the first mounting surface can be ensured to have a large joint area, the effective joint area between the first lens and the lens barrel is ensured, and the connection stability between the first lens and the lens barrel can be effectively ensured. In addition, the first mounting surface is obliquely arranged, so that the length of the first mounting surface in the axial direction and the length of the first mounting surface in the direction perpendicular to the axial direction can be effectively reduced, the outer diameter of the front end of the lens barrel can be reduced, and meanwhile, the lens barrel can be guaranteed to have enough wall thickness, so that the lens barrel has better structural strength.

The first bearing surface in the first lens is arranged at the edge of the first lens and used for being jointed with the first mounting surface in the lens barrel; the first bearing surface and the axis of the first lens are arranged in an acute angle, and when the first bearing surface is jointed with the first mounting surface, the axis of the first lens is superposed with the axis of the lens cone. The first bearing surface can be ensured to have a larger joint area by obliquely arranging the first bearing surface so as to ensure the effective joint area between the first lens and the lens cone, thereby effectively ensuring the connection stability between the first lens and the lens cone; in addition, the first bearing surface is obliquely arranged, so that the length of the first bearing surface in the axial direction and the length of the first bearing surface perpendicular to the axial direction can be effectively reduced, and therefore, the loss caused to an effective light-transmitting area in the first lens can be reduced.

In specific implementation, the first mounting surface may be a conical ring surface, or may be a polygonal (e.g., pentagonal, hexagonal) tapered ring surface; correspondingly, the first bearing surface may also be a conical ring surface, and may also be a conical ring surface with a polygonal shape, such as a pentagon or a hexagon).

In some embodiments, the first mounting surface may be one, or a plurality of first mounting surfaces may be provided in the axial direction of the lens barrel; accordingly, the first bearing surface may be one, or a plurality of first bearing surfaces may be provided in the axial direction of the first lens.

Specifically, in one embodiment of the present invention, the first mounting surface may be one, and the inclination angle of the first mounting surface (i.e., the included angle between the first mounting surface and the axis of the lens barrel) may be 15 ° to 20 °, specifically, the inclination angle of the first mounting surface may be 15 °, 16 °, 16.5 °, and the like; correspondingly, the number of the first bearing surfaces can be one, and the inclination angle of the first bearing surface (namely the included angle between the first bearing surface and the axis of the first lens) can be 15-20 degrees; specifically, the inclination angle of the bearing surface can be 15 °, 16 °, 16.5 ° or the like; after a first bearing surface in the first lens is tightly attached to a first mounting surface in the lens barrel, the first lens and the lens barrel can be fixedly connected; for example, the first lens and the lens barrel may be fixedly connected by an interference fit between the first bearing surface and the first mounting surface.

When the first lens and the lens barrel are assembled, the first lens can be placed into the lens barrel from the rear end of the lens barrel, and then certain acting force is applied to enable the first leaning surface to be tightly attached to the first mounting surface, so that the first lens and the lens barrel are jointed.

In some embodiments, the number of the first mounting surface and the first bearing surface may be plural.

For example, the first mounting surfaces may be three and arranged in sequence from the front end to the rear end of the lens barrel; correspondingly, three first bearing surfaces can be arranged and are sequentially arranged along the axis of the first lens. In a specific implementation, the three first mounting surfaces may form a stepped structure, and correspondingly, the three first bearing surfaces may also form a stepped structure, so as to achieve a fixed connection between the first lens and the lens barrel.

In a specific implementation, the inclination angles of the three first mounting surfaces in the lens barrel may be the same or different, and correspondingly, the inclination angles of the three first bearing surfaces in the first lens may be the same or different.

In addition, in some embodiments, the lens assembly may include a plurality of other lenses in addition to the first lens, and the plurality of other lenses may be sequentially disposed from the first lens to the rear end of the lens barrel to shape light, adjust focal length, and the like.

Specifically, in an embodiment provided by the present invention, the lens assembly further includes a second lens, and in order to facilitate the installation of the second lens in the lens barrel, a second installation surface is provided in the lens barrel, and an edge of the second lens is provided with a second bearing surface for engaging with the second installation surface.

In specific implementation, the structures of the second mounting surface and the first mounting surface can be the same or different; for example, the second mounting surface may be a tapered ring surface disposed at an acute angle to the axis of the lens barrel. Correspondingly, the second bearing surface and the first bearing surface can be the same or different in structure; for example, the second bearing surface may be a conical ring surface disposed at an acute angle to the axis of the second lens.

In addition, in some embodiments, in order to effectively control the field angle of the lens assembly, an aperture stop structure may be provided on the lens barrel.

In specific implementation, a shading flange may be disposed at the front end of the lens barrel, and a profile of the through hole surrounded by the shading flange is smaller than a profile of the through hole surrounded by the first mounting surface of the lens barrel. Specifically, a light shielding flange is located at the front end of the barrel to form an aperture stop structure for limiting the field size of the light beam incident into the barrel.

In specific implementation, the light shielding flange may be a structural member independent from the lens barrel, or the light shielding flange may be an integral structure with the lens barrel; specifically, the light shielding flange and the lens barrel may be integrally formed by injection molding or the like, or the light shielding flange may be directly manufactured in the lens barrel by milling or the like.

In addition, in some embodiments, in order to improve the light processing effect of the lens assembly (such as filtering stray light, etc.), a light shielding ring may be disposed in the lens barrel.

Specifically, a light-shielding ring may be disposed between the first lens and the second lens, or a light-shielding ring may be disposed between two adjacent lenses in the lens assembly; in a specific implementation, a third mounting surface for mounting the light-shielding ring may be provided in the lens barrel.

In specific implementation, the shading ring can be made into an annular sheet body with smaller thickness by adopting a resin material (such as natural resin or synthetic resin); in the design of the light-shielding ring, the edge of the light-shielding ring can be chamfered, and in some cases, because the chamfer sizes on the two sides of the light-shielding ring are different, when the light-shielding ring is installed in the lens barrel, the front side and the back side of the light-shielding ring need to be effectively distinguished so as to prevent the occurrence of the edge light spraying phenomenon after the light-shielding ring is not correctly installed.

In order to facilitate the effective differentiation of the positive and negative of the shading ring, the utility model provides an in the embodiment, the edge of shading ring has been seted up and has been prevented slow-witted structure.

In the specific implementation, the fool-proof structure may be one or more, and in addition, the structural form of the fool-proof structure is also various. For example, the fool-proof structure may include a first identification portion and a second identification portion located at an edge of the light-shielding ring, the first identification portion and the second identification portion are arranged along a clockwise direction of the light-shielding ring, and positions of the first identification portion and the second identification portion are determined, so that front and back sides of the light-shielding ring can be effectively determined.

In specific implementation, the shape and contour of the first identification part and the second identification part may be different, and the forming mode may also be various.

For example, the first mark portion and the second mark portion may be notches formed in the edge of the light-shielding ring, or may be printed patterns.

In some embodiments, an image sensor may be further disposed in the lens assembly for converting the light processed by the lens assembly into an electrical signal.

In a specific implementation, the image sensor may be disposed at a rear end of the lens barrel, and external light is emitted from a front end of the lens barrel into the lens assembly in the lens barrel and then projected from the rear end of the lens barrel into the image sensor, so as to convert an optical signal into an electrical signal.

On the other hand, the embodiment of the utility model provides a still provides an electronic equipment, including setting up at the positive display screen of electronic equipment and foretell lens subassembly.

When the electronic equipment is specifically implemented, the lens assembly can be arranged on the back of the display screen, so that the front space of the electronic equipment is prevented from being occupied, and the screen occupation ratio of the display screen is improved. In order to make the lens barrel subassembly can gather external light, can set up the light trap structure in the display screen the utility model provides an in the embodiment, because the size of the front end of lens cone can obtain effectual reduction among the lens barrel subassembly, consequently, the size of light trap also can obtain effectual reduction to the screen that can promote the display screen in the cell-phone accounts for and user's use experience.

Drawings

Fig. 1 is a schematic perspective view of a mobile phone according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a mobile phone according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a lens assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a schematic cross-sectional view of another lens assembly according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5;

fig. 7 is a schematic cross-sectional view of another lens assembly according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of another lens assembly according to an embodiment of the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 8;

fig. 10 is a schematic cross-sectional view of another lens assembly according to an embodiment of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10;

fig. 12 is a schematic cross-sectional view of another lens assembly according to an embodiment of the present invention;

fig. 13 is a schematic cross-sectional view of a light-shielding ring according to an embodiment of the present invention;

fig. 14 is a front view of a shading ring according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of an electronic device according to an embodiment of the present invention;

fig. 16 is a schematic cross-sectional structure diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

For the convenience of understanding the lens assembly provided by the embodiments of the present invention, an application scenario thereof will be described first.

The embodiment of the utility model provides a lens subassembly can use in electronic equipment such as cell-phone, panel computer, notebook computer for realize functions such as image acquisition. As shown in fig. 1 and fig. 2, taking a mobile phone as an example, the lens assembly 01 may be disposed on the front surface of the mobile phone to implement functions of taking a picture, taking a video, taking a self-timer, and the like; in specific implementation, because the front of the mobile phone still needs to be provided with the display screen 02, in order to reduce the occupation of the lens component 01 on the front space of the mobile phone, the lens component 01 can be arranged below the display screen 02, and the display screen 02 is subjected to hole opening design to form a light hole structure 021, so that the lens component 01 can receive light rays in the external environment through the light hole structure 021 to realize the function of image acquisition. Specifically, as shown in fig. 3, some lens assemblies 01 generally include a lens barrel 011 and lenses 012a, 012b, 012c, 012d and spacers 013a, 013b disposed in the lens barrel 011, wherein the lens 012a is located at the front end (i.e., the left end in the figure) of the lens barrel 011, and in order to facilitate the installation of the lens 012a in the lens barrel 011, an annular step structure is typically disposed on the inner wall of the lens barrel 011; as shown in fig. 4, the step structure includes a first surface 011a for conforming to the outer peripheral surface of the lens 012a and a second surface 011b for conforming to the side surface of the lens 012a, the first surface 011a and the second surface 011b being disposed perpendicular to each other. In practical applications, in order to ensure the connection strength between the lens 012a and the lens barrel 011, the length of the first surface 011a in the axial direction (i.e., the left-right direction in the drawing) is generally required to be 0.14mm or more, and the length of the second surface 011b in the direction perpendicular to the axial direction (i.e., the up-down direction in the drawing) is generally required to be 0.14mm or more, so as to ensure the assembly stability and connection reliability of the lens 012a in the lens barrel 011. However, the above-mentioned structure is not favorable for reducing the dimension of the front end of the lens barrel 011 in the direction perpendicular to the axial direction, and therefore, is not favorable for the miniaturization design of the light transmission hole structure 021 in the display screen 02.

Therefore, the embodiment of the utility model provides a compact structure, small in size, lens subassembly that structural strength is high, when the lens subassembly sets up at the display screen back, can also effectively reduce the light trap size in the display screen.

In order to facilitate understanding of the lens assembly provided by the embodiment of the present invention, the lens assembly provided by the embodiment of the present invention will be specifically described below with reference to the accompanying drawings.

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", "the", and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the following embodiments of the present invention, "at least one", "one or more" means one, two or more. The term "and/or" is used to describe an association relationship that associates objects, meaning that three relationships may exist; for example, a and/or B, may represent: a alone, both A and B, and B alone, where A, B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

As shown in fig. 5 and 6, in an embodiment provided by the present invention, the lens assembly 10 may include a lens barrel 11 and a first lens 121 disposed in the lens barrel 11; the inner wall of the lens cone 11 is provided with a first mounting surface 111, and the first mounting surface 111 is back to the front end of the lens cone 11 and is arranged at an acute angle with the axis of the lens cone 11; the edge of the first lens 121 is provided with a first bearing surface 121a, the first lens 121 is disposed in the lens barrel 11, and the first bearing surface 121a is attached to the first mounting surface 111, so that the first lens 121 and the lens barrel 11 are fixedly connected.

Specifically, by arranging the first mounting surface 111 in an inclined manner (the first mounting surface 111 is arranged at an acute angle with respect to the axis of the lens barrel 11), the first mounting surface 111 can have a large joint area to ensure an effective joint area between the first lens 121 and the lens barrel 11, and thus the connection stability between the first lens 121 and the lens barrel 11 can be effectively ensured; in addition, by arranging the first mounting surface 111 in an inclined manner, the length of the first mounting surface 111 in the axial direction (the left-right direction in the drawing) and the length of the first mounting surface 111 perpendicular to the axial direction (the vertical direction in the drawing) can be effectively reduced, so that the outer diameter of the front end of the lens barrel 11 can be reduced, and the lens barrel 11 can be ensured to have enough wall thickness to have good structural strength. A first bearing surface 121a in the first lens 121 is provided at an edge of the first lens 121 for engaging with the first mounting surface 111 in the lens barrel 11; the first bearing surface 121a is disposed at an acute angle with respect to the axis of the first lens 121, and when the first bearing surface 121a is engaged with the first mounting surface 111, the axis of the first lens 121 coincides with the axis of the lens barrel 11. By arranging the first bearing surface 121a in an inclined manner (the first bearing surface 121a is arranged at an acute angle with respect to the axis of the first lens 121), the first bearing surface 121a can have a large joint area to ensure an effective joint area between the first lens 121 and the lens barrel 11, so that the connection stability between the first lens 121 and the lens barrel 11 can be effectively ensured; in addition, by providing the first bearing surface 121a with an inclination, the length of the first bearing surface 121a in the axial direction (the left-right direction in the drawing) and the length of the first bearing surface 121a perpendicular to the axial direction (the up-down direction in the drawing) can be effectively reduced, and therefore, the loss of the effective light-transmitting region in the first lens 121 can be reduced.

In some embodiments, a lens assembly 120 including a first lens 121 may be disposed in the lens barrel 11 for shaping light, adjusting focal length, and the like. As shown in fig. 7, in an embodiment of the present invention, the lens assembly 120 includes a first lens 121, a second lens 122, a third lens 123 and a fourth lens 124 sequentially arranged along the front end and the rear end of the lens barrel 11. One end of the lens barrel 11 for receiving light is a front end (i.e., the left end in the drawing), and one end for transmitting light is a rear end (i.e., the right end in the drawing); after the external light irradiates the front end, the external light is shaped and focused by the lens assembly 120 and then is transmitted out. The rear end of the lens barrel 11 may be provided with an image sensor 13 for receiving light, wherein the image sensor 13 is a device for converting an optical image into an electrical signal, and may specifically include a Charge-coupled device (CCD), a Complementary Metal Oxide Semiconductor (CMOS), or the like.

In practical implementation, the rear end of the lens barrel 11 needs to be well matched with the image sensor 13, and therefore, the contour size of the rear end of the lens barrel 11 needs to be matched with the size of the image sensor 13; in order to take into account the good matching between the lens barrel 11 and the image sensor 13 and the minimum profile of the front end of the lens barrel 11, in an embodiment of the present invention, the lens barrel 11 is a tapered tubular structure, the convergent end of which is the front end, and the flared end of which is the rear end; with this structural arrangement, it is also facilitated to mount the lens assembly 10 within the lens barrel 11. Specifically, the first lens 121, the second lens 122, the third lens 123, and the fourth lens 124 are sequentially arranged from small to large, and when the lens assembly 10 is mounted in the lens barrel 11, the first lens 121 may be mounted first, for example, the first lens 121 may be first placed in the lens barrel 11 from the rear end of the lens barrel 11, and then a certain force may be applied to join the first lens 121 and the lens barrel 11, and after the first lens 121 is mounted in place, the second lens 122, the third lens 123, and the fourth lens 124 may be sequentially mounted in the lens barrel 11.

In some embodiments, to aid in positioning certain lenses in lens assembly 120; a spacer ring structure may also be provided in the lens barrel 11.

Specifically, as shown in fig. 8, in an embodiment of the present invention, the present invention further includes a spacer ring 125a and a spacer ring 125b, the spacer ring 125a is disposed between the second lens 122 and the third lens 123, one side (left side in the figure) of the spacer ring is attached to the second lens 122, and the other side (right side in the figure) of the spacer ring is attached to the third lens 123, so as to assist in positioning the relative position between the second lens 122 and the third lens 123. The spacer ring 125b is disposed between the third lens 123 and the fourth lens 124, and has one side surface (left side in the drawing) attached to the third lens 123 and the other side surface (right side in the drawing) attached to the fourth lens 124 to assist in positioning the relative position between the third lens 123 and the fourth lens 124.

In practical implementation, the first mounting surface 111 and the first bearing surface 121a may have various structures and numbers in order to realize the fixed connection between the first lens 121 and the lens barrel 11.

As shown in fig. 9, in an embodiment provided by the present invention, the first mounting surface 111 may be one, and the inclination angle of the first mounting surface 111 (i.e., the included angle between the first mounting surface 111 and the axis of the lens barrel 11) may be 15 ° to 20 °; accordingly, the number of the first bearing surfaces 121a may be one, and the inclination angle of the first bearing surface 121a (i.e., the included angle between the first bearing surface 121a and the axis of the first lens 121) may be 15 ° to 20 °; after the first bearing surface 121a of the first lens 121 is tightly attached to the first mounting surface 111 in the lens barrel 11, the first lens 121 and the lens barrel 11 can be fixedly connected, that is, the first lens 121 and the lens barrel 11 can be fixedly connected through interference fit between the first bearing surface 121a and the first mounting surface 111.

Specifically, the inclination angle of the first mounting surface 111 may be 15 °, 16 °, 16.5 °, or the like; the inclination angle of the corresponding first bearing surface 121a may be 15 °, 16 °, 16.5 °, etc. When the first lens 121 and the lens barrel 11 are assembled, the first lens 121 may be placed into the lens barrel 11 from the rear end of the lens barrel 11, and then a certain force is applied to make the first bearing surface 121a and the first mounting surface 111 closely attached, thereby realizing the fixed connection between the first lens 121 and the lens barrel 11.

In implementation, in order to ensure connection stability between the first lens 121 and the lens barrel 11, the length of the first mounting surface 111 in the oblique direction may be not less than 0.14 mm; accordingly, the length of the first bearing surface 121a in the inclined direction may be not less than 0.14 mm.

In some embodiments, the number of the first mounting surface 111 and the first bearing surface 121a may also be varied.

As shown in fig. 10 and 11, in an embodiment provided by the present invention, three first mounting surfaces 111 may be provided, which are respectively a first mounting surface 111a, a first mounting surface 111b, and a first mounting surface 111 c; correspondingly, three first bearing surfaces in the first lens 121 can be provided, namely a first bearing surface 121a, a first bearing surface 121b and a first bearing surface 121 c; the first bearing surface 121a is used for being attached to the first mounting surface 111a, the first bearing surface 121b is used for being attached to the first mounting surface 111b, and the first bearing surface 121c is used for being attached to the first mounting surface 111 c.

In a specific implementation, in order to facilitate the first lens 121 to be mounted in the lens barrel 11, the first mounting surface 111a, the first mounting surface 111b and the first mounting surface 111c form a stepped structure; correspondingly, the first bearing surface 121a, the first bearing surface 121b and the first bearing surface 121c form a stepped structure; the inclination angles of the first mounting surface 111a, the first mounting surface 111b and the first mounting surface 111c may be the same or different; accordingly, the first bearing surface 121a, the first bearing surface 121b and the first bearing surface 121c may have the same or different inclination angles. The arrangement of the stepped structure can effectively improve the connection strength between the first lens 121 and the lens barrel 11, and can ensure the assembling property between the first lens 121 and the lens barrel 11. Specifically, when the first lens 121 and the lens barrel 11 are assembled, the first lens 121 can be placed into the lens barrel 11 from the rear end of the lens barrel 11, and since the first mounting surface 111a, the first mounting surface 111b, and the first mounting surface 111c form a stepped structure and the first bearing surface 121a, the first bearing surface 121b, and the first bearing surface 121c form a stepped structure, the first mounting surface 111b and the first mounting surface 111c do not obstruct the first bearing surface 121a, and accordingly, the first mounting surface 111c does not obstruct the first bearing surface 121b, so that the first lens 121 can be smoothly mounted in the lens barrel 11.

In implementation, in order to ensure connection stability between the first lens 121 and the lens barrel 11, lengths of the first mounting surface 111a, the first mounting surface 111b, and the first mounting surface 111c in the inclined direction may be not less than 0.07 mm; accordingly, the lengths of the first bearing surface 121a, the first bearing surface 121b, and the first bearing surface 121c in the inclined direction may be not less than 0.07 mm.

In some embodiments, two or more first mounting surfaces 111 in the lens barrel 11 may be provided, and correspondingly, two or more first bearing surfaces 121a in the first lens 121 may be provided; in practical application, the number and the inclination angles of the first mounting surfaces 111 can be set reasonably according to different requirements, and correspondingly, the number and the inclination angles of the first bearing surfaces 121a can also be set reasonably.

In addition, in some embodiments, the edge of the second lens 122 (or the third lens 123 and the fourth lens 124) may also be provided with a second bearing surface (not shown in the drawings) that is the same as or similar to the first bearing surface 121a of the first lens 121, and correspondingly, the lens barrel 11 may also be provided with a second mounting surface (not shown in the drawings) that is the same as or similar to the first mounting surface 111, and when the second lens 122 (or the third lens 123 and the fourth lens 124) is mounted in the lens barrel 11, the bearing surface of the second lens 122 (or the third lens 123 and the fourth lens 124) may be engaged with the mounting surface in the lens barrel 11, so as to achieve a fixed connection between the second lens 122 (or the third lens 123 and the fourth lens 124) and the lens barrel 11.

In some embodiments, in order to effectively control the field angle of the lens assembly 10, an aperture stop structure may be provided on the lens barrel 11.

As shown in fig. 11, in an embodiment of the present invention, the front end of the lens barrel 11 is provided with a light shielding flange 112, and the outline of the through hole surrounded by the light shielding flange 112 is smaller than the outline of the through hole surrounded by the first mounting surface 111a of the lens barrel 11. Specifically, the light shielding flange 112 is located at the front end of the lens barrel 11 to form an aperture stop structure for limiting the field size of the light beam incident into the lens barrel 11.

In particular implementation, the light shielding flange 112 may be a structure independent from the lens barrel 11, or the light shielding flange 112 may be an integral structure with the lens barrel 11; specifically, the light shielding flange 112 and the lens barrel 11 may be integrally molded by a process such as injection molding, or the light shielding flange 112 may be directly manufactured in the lens barrel 11 by a process such as milling.

In some embodiments, in order to improve the light processing effect (e.g., filtering stray light, etc.) of the lens assembly 10, a light shielding ring 126 may be disposed in the lens barrel 11.

As shown in fig. 12, in an embodiment of the present invention, a light-shielding ring 126a is disposed between the first lens 121 and the second lens 122, a light-shielding ring 126b is disposed between the second lens 122 and the third lens 123, and a light-shielding ring 126c is disposed between the third lens 123 and the fourth lens 124.

As shown in fig. 13, taking the light-shielding ring 126a as an example, in the specific implementation, the light-shielding ring 126a can be made of a resin material (such as natural resin or synthetic resin) to be a ring-shaped sheet with a small thickness; in the design of the light-shielding ring 126a, the edge of the light-shielding ring 126a needs to be chamfered, and in some cases, because the chamfers R on the two sides of the light-shielding ring 126a are different in size, when the light-shielding ring 126a is installed in the lens barrel 11, the front and back sides of the light-shielding ring 126a need to be effectively distinguished to prevent the edge light-spraying phenomenon from occurring after the light-shielding ring 126a is not installed correctly.

Since the chamfering structure R is fine, it is difficult to distinguish and distinguish the front and back sides of the light-shielding ring 126a according to the chamfering structure R; for this reason, as shown in fig. 14, in an embodiment provided by the present invention, in order to effectively distinguish the front and back sides of the light-shielding ring 126a, a fool-proof structure may be disposed on the light-shielding ring 126 a.

In a specific implementation, the edge of the light-shielding ring 126a may be provided with a first mark portion 1261 and a second mark portion 1262 circumferentially distributed around the axis of the light ring 126a, the first mark portion 1261 and the second mark portion 1262 are arranged along the clockwise direction of the light-shielding ring 126a, and the front and back sides of the light-shielding ring 126a can be effectively distinguished by distinguishing the positions of the first mark portion 1261 and the second mark portion 1262.

In a specific implementation, in order to effectively distinguish the first mark part 1261 from the second mark part 1262, the first mark part 1261 and the second mark part 1262 may have different contours.

As shown in fig. 14, in one embodiment of the present invention, the first marking portion 1261 is a triangular notch and the second marking portion 1262 is a semicircular notch.

In some embodiments, the first and second indicators 1261, 1262 may also be printed patterns or other structures having different shape profiles; meanwhile, one or more than two markers may be provided on the light shielding ring 126 a.

During the assembling process, the shading ring 126a can be conveyed by a material conveying device (such as a conveyor belt), the shading ring 126a can be placed on the conveyor belt, and then the position relationship between the first marking part 1261 and the second marking part 1262 in the shading ring 126a is identified and judged by combining a CCD machine vision system; for example, it may be determined that the first and second marks 1261 and 1262 are arranged in the clockwise direction as a result of the preset recognition; when the CCD machine vision system detects that the first marking portions 1261 and the second marking portions 1262 in the light-shielding ring 126a are arranged in the counterclockwise direction, it can be determined that the light-shielding ring 126a is not correctly placed, and therefore the light-shielding ring 126a which is not correctly placed can be removed by the removing mechanism in the conveying device, so as to save the manual inspection time and improve the work efficiency and accuracy.

In practical applications, the lens assembly 10 may be applied to electronic devices such as mobile phones and notebook computers.

As shown in fig. 15, taking the mobile phone 20 as an example, in an embodiment of the present invention, the mobile phone 20 includes a housing 21 and a display 22 fixed above the housing 21; referring to fig. 16, the lens assembly 10 is disposed on a circuit board 23 inside the housing 21. In order to enable the lens assembly 10 to collect external light through the display screen 22, a light-transmitting hole 221 is formed in the display screen 22; specifically, the front end of the lens barrel 11 is disposed corresponding to the light hole 221, external light enters the lens barrel 11 through the light hole 221 in the display screen 22, and a lens assembly (not shown in the figure) in the lens barrel 11 shapes and adjusts the focal length of the light and projects the light into an image sensor (not shown in the figure) located at the rear end of the lens barrel 11 to convert an optical signal into an electrical signal, so as to achieve the purpose of image acquisition and photoelectric conversion, so that a processor 24 and other devices in the mobile phone 20 process the electrical signal to display the signal on the display screen 22.

The utility model provides an in the cell-phone, because the size of the front end of lens cone can obtain effectual reduction in the lens subassembly 10, consequently, the size of light trap 221 also can obtain effectual reduction to can promote among the cell-phone 20 the screen of display screen 22 (display area) account for than and user's use experience.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. A lens assembly, comprising a lens barrel and a lens assembly disposed within the lens barrel;

the inner wall of the lens cone is provided with a first mounting surface, and the first mounting surface is back to the front end of the lens cone and is arranged at an acute angle with the axis of the lens cone;

the lens assembly comprises a first lens, and a first bearing surface is arranged at the edge of the first lens;

the first lens is arranged in the lens barrel, and the first bearing surface is jointed with the first mounting surface.

2. The lens assembly of claim 1, wherein the first mounting surface is configured as a conical torus.

3. The lens assembly according to claim 1 or 2, wherein the first mounting surface has a plurality of surfaces, and the plurality of surfaces are arranged in sequence along an axis of the lens barrel;

the first lens is provided with first bearing surfaces which correspond to the first mounting surfaces one by one, and the first bearing surfaces are sequentially arranged along the axis of the first lens;

each first mounting surface is respectively jointed with the corresponding first bearing surface.

4. The lens assembly of claim 1 or 2, wherein the length of the first mounting surface in the inclined direction is not less than 0.14 mm.

5. The lens assembly of claim 3, wherein a length of each first mounting surface in the inclined direction is not less than 0.07 mm.

6. The lens assembly of claim 1 or 2, wherein an included angle between the first mounting surface and an axial center of the lens barrel is 15 ° to 20 °.

7. The lens assembly of claim 1 or 2, wherein the inner wall of the lens barrel is provided with a second mounting surface, and the second mounting surface is positioned on one side of the first mounting surface far away from the front end;

the lens assembly further comprises a second lens, and a second bearing surface is arranged at the edge of the second lens;

the second lens is arranged in the lens barrel, and the second bearing surface is jointed with the second mounting surface.

8. The lens assembly of claim 1 or 2, wherein the lens barrel is configured as a conical structure;

the section of the front end of the lens barrel is smaller than the section of the rear end of the lens barrel.

9. The lens assembly of claim 1, wherein the lens assembly further comprises a light blocking ring;

the lens barrel is internally provided with a third mounting surface, and the edge of the shading ring is jointed with the third mounting surface;

wherein, a fool-proof structure is arranged on the shading ring.

10. The lens assembly of claim 9, wherein the fool-proofing structure comprises a first notch and a second notch located at an edge of the light-shielding ring and circumferentially distributed around an axis of the light-shielding ring, the first notch and the second notch having different shapes.

11. An electronic device comprising a display screen and the lens assembly of any of claims 1-10.

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