CN107404553B - Composite cover plate, camera module and mobile terminal - Google Patents

Abstract

The invention discloses a composite cover plate, which is used for covering a camera and a flash lamp of a camera module, and comprises: the cover plate main body is provided with a first through hole; light-transmitting prism and shading sleeve, light-transmitting prism with shading sleeve interconnection is as an organic whole, shading sleeve accept in first through-hole contacts the inner wall of first through-hole, light-transmitting prism is located the surface of apron main part covers first through-hole, the light that the flash light sent gets into see through behind the telescopic inside of shading light-transmitting prism. The invention discloses a camera module and a mobile terminal. Shading sleeve and printing opacity prism interconnection are as an organic whole easily at first through-hole installation or dismantlement, thereby the shading sleeve blocks that the flash light that gets into first through-hole gets into the apron main part from the inner wall of first through-hole and scurries light to the camera, thereby printing opacity prism protection flash light and be used for seeing through the light that the flash light sent outside compound apron, improve user experience.

Description

Composite cover, camera module and mobile terminal

technical field

The invention relates to the technical field of camera electronic equipment, in particular to a composite cover plate, a camera module and a mobile terminal.

Background technique

With the development of society, mobile terminals are becoming more and more important in people's lives. For example, mobile terminals such as mobile phones and tablet computers have become an indispensable part that people carry around with them. The camera module is a functional module that enables the mobile terminal to realize the functions of taking pictures and video. Generally, the camera module includes a camera and a flash. The flash is used to provide stronger light in a low-light environment to obtain better photo effects. or camera effect.

In the prior art, in order to beautify the camera and the flash, a transparent part protruding from the housing is used to cover the camera and the flash, so that the camera and the flash are formed as a whole through the transparent part, and the overall sense of the camera module is enhanced. The light is large, and the light is easy to penetrate the transparent parts and spread to the camera position, that is, light channeling occurs, which affects the normal operation of the camera, resulting in poor shooting results, unrealistic pictures and video images, and affecting user experience.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a composite cover plate, a camera module and a mobile terminal, which are used to solve the problems in the prior art that the camera module has a poor shooting effect, and the captured pictures and video images are unreal and affect the user experience. .

In order to solve the above technical problems, the present invention provides a composite cover plate for covering the camera and the flash of the camera module, and the composite cover plate includes:

The cover body is provided with a first through hole;

a light-transmitting prism and a light-shielding sleeve, the light-transmitting prism and the light-shielding sleeve are interconnected as a whole, the light-shielding sleeve is accommodated in the first through hole and contacts the inner wall of the first through-hole, the The light-transmitting prism is located on the surface of the cover plate body and covers the first through hole, and the light emitted by the flash lamp enters the interior of the light-shielding sleeve and passes through the light-transmitting prism.

In one embodiment, the light-transmitting prism includes an outer surface facing away from the cover plate body, the outer surface is a concave curved surface, and the outer surface is used to change the propagation path of the light emitted by the flash lamp.

In one embodiment, the light-transmitting prism further includes an inner surface opposite to the outer surface, and an edge of the inner surface contacts the surface of the cover plate body.

In one embodiment, the composite cover plate further includes a first light-transmitting member, the first light-transmitting member is accommodated in the light-shielding sleeve, and the first light-transmitting member is used to transmit light emitted by the flashlight. light.

In one embodiment, the first light-transmitting member is in contact with the light-transmitting prism.

In one embodiment, the cover plate body is further provided with a second through hole, the composite cover plate further includes a second light-transmitting member, and the second light-transmitting member is accommodated in the second through hole, so that the The second light-transmitting member is used to transmit the light entering the camera.

In one embodiment, the cover plate body includes a first surface and a second surface disposed opposite to each other, the light emitted by the flash lamp propagates from the second surface to the direction of the first surface, and the first through hole The first surface and the second surface are both connected with the second through hole, and the vertical projection of the light-transmitting prism on the first surface covers the first through hole.

In one embodiment, a surface of the second light-transmitting member facing away from the camera is flush with the first surface.

In one embodiment, the second surface is provided with a first light shielding layer for blocking the light emitted by the flash lamp from propagating to the second surface.

In one embodiment, the inner wall of the second through hole is provided with a second light shielding layer, which is used to block the light emitted by the flash lamp from propagating into the second through hole.

In one embodiment, the second light-transmitting member is in an interference fit with the second through hole.

In one embodiment, the edge of the inner surface and the surface of the cover plate main body are bonded by shading glue.

In one embodiment, the first light-transmitting member is in an interference fit with the light-shielding sleeve.

In one embodiment, the light-shielding sleeve is in an interference fit with the first through hole.

In one embodiment, the light-transmitting prisms are located on the first surface.

In one embodiment, the light-transmitting prisms are located on the second surface.

In an embodiment, the number of the light-transmitting prisms is two, and the two light-transmitting prisms are respectively located on the first surface and the second surface.

The present invention also provides a camera module, comprising a camera, a flash, and the composite cover as described in any one of the above, wherein the camera and the flash are arranged adjacent to each other, and the composite cover is arranged on the camera and the one side of the flash, the composite cover is used to protect the camera and the flash.

In one embodiment, the flash lamp includes a light-emitting surface facing the composite cover plate, and the center line of the first through hole passes through the center of the light-emitting surface.

The present invention also provides a mobile terminal, comprising the camera module described in any one of the above.

The beneficial effects of the present invention are as follows: the light-shielding sleeve and the light-transmitting prism are interconnected as a whole and easy to install or disassemble in the first through hole, and the light-shielding sleeve blocks the flash light entering the first through hole from entering the cover plate from the inner wall of the first through hole The main body thus channel light to the camera, and the light-transmitting prism protects the flash and is used to transmit the light emitted by the flash to the outside of the composite cover. The flash does not affect the normal operation of the camera, improving the shooting effect of the camera module, taking pictures and video images realistically, and improving the user experience. experience.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other obvious deformation modes can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic exploded view of the structure of a composite cover plate provided in Embodiment 1 of the present invention.

FIG. 2 is a schematic diagram of a combination of a camera module installed with a composite cover plate provided in Embodiment 1 of the present invention.

FIG. 3 is an exploded schematic view of a camera module installed with the composite cover plate provided in Embodiment 1 of the present invention.

FIG. 4 is a schematic cross-sectional view of a composite cover plate provided in Embodiment 1 of the present invention.

FIG. 5 is a schematic cross-sectional view of an embodiment of the composite cover plate provided in the first embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of another embodiment of the composite cover plate provided in the first embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of another embodiment of the composite cover plate provided in the first embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a cover plate body according to Embodiment 1 of the present invention.

FIG. 9 is a working principle diagram of a camera module installed with a composite cover plate provided in Embodiment 1 of the present invention.

FIG. 10 is a schematic exploded view of the structure of the composite cover plate provided in the second embodiment of the present invention.

FIG. 11 is a schematic cross-sectional view of the composite cover plate provided in the second embodiment of the present invention.

FIG. 12 is a working principle diagram of the camera module installed with the composite cover plate provided in the second embodiment of the present invention.

FIG. 13 is a schematic cross-sectional view of the composite cover plate provided in Embodiment 3 of the present invention.

FIG. 14 is a working principle diagram of a camera module installed with the composite cover plate provided in Embodiment 3 of the present invention.

FIG. 15 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The composite cover plate provided by the embodiment of the present invention is applied to a camera module of a mobile terminal. Specifically, the composite cover plate is used to cover and protect the camera and flash of the camera module. Mobile terminals include but are not limited to mobile phones, tablet computers and other devices. The camera module is used to realize shooting-related functions such as photography and videography, and is connected with other electronic devices or modules inside the mobile terminal to cooperate to realize other functions.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 together. The composite cover plate 300 provided in the first embodiment of the present invention is protruded from the casing 50 of the mobile terminal 200 . Sleeve 404 . 2 and 3, the cover body 30 is fixed on the housing 50, the housing 50 is provided with at least two mounting holes 502, the camera 10 is at least partially inserted into the mounting holes 502 and protrudes from the housing 50, further, the camera 10 includes a camera lens 102 and the circuit part 104, the camera lens 102 is used to receive and identify the external optical signal and convert the optical signal into an electrical signal, and the circuit part 104 is used to process and transmit the electrical signal to other electronic modules or electronic devices of the mobile terminal 200 , such as the motherboard, etc. The camera lens 102 is at least partially inserted into the mounting hole 502 and protrudes from the housing 50 , the circuit portion 104 is located inside the housing 50 , and the flash 20 is at least partially inserted into the other mounting hole 502 and protrudes from the housing 50 . The cover body 30 is mounted on the casing 50 on the side of the casing 50 facing the outside.

1 , 4 and 8 , the cover body 30 is covered on one side of the adjacent camera 10 and the flash 20 . Specifically, the cover body 30 includes a first surface 302 and a second surface 304 arranged opposite to each other. , the first surface 302 and the second surface 304 are the two end surfaces of the cover body 30 , wherein the second surface 304 is fitted with the casing 50 . The camera 10 and the flash 20 are located on the side of the second surface 304 of the cover body 30 , that is, the camera 10 and the flash 20 are located on the side of the housing 50 . In this embodiment, the light emitted by the flash 20 propagates from the second surface 304 to the first surface 302 . Referring to FIG. 8 , the cover body 30 is provided with first through holes 32 communicating with opposite side surfaces of the cover body 30 . Specifically, the first through holes 32 communicate with the first surface 302 and the second surface 304 . 4 , the vertical projection of the flash 20 on the second surface 304 falls within the range of the first through hole 32 , that is, the flash 20 corresponds to the first through hole 32 . 1 and 4 , the composite cover plate 300 further includes a light-transmitting prism 402 and a light-shielding sleeve 404 , and the light-transmitting prism 402 and the light-shielding sleeve 404 are interconnected to form a whole body 40 . In one embodiment, the light-transmitting prism 402 and the light-shielding sleeve 404 are integrally formed by transparent materials such as glass or plastic, and the light-shielding sleeve 404 is a non-transparent layer formed by coating an ink layer or other light-shielding layer on the surface of the transparent material. structure of light. In other embodiments, the light-transmitting prism 402 is formed of glass or plastic material, the light-shielding sleeve 404 is formed of metal or colored plastic, and the light-transmitting prism 402 and the light-shielding sleeve 404 are connected as a whole by sticking or welding. 4 , the light-shielding sleeve 404 is accommodated in the first through hole 32 and contacts the inner wall (the first inner wall 320 ) of the first through hole 32 , and the light-transmitting prism 402 is located on the surface of the cover body 30 and covers the first through hole 32 , the light emitted by the flash 20 enters the interior of the light-shielding sleeve 404 and then passes through the light-transmitting prism 402 . In one embodiment, a sealing ring (not shown in the figure) is further provided between the light-shielding sleeve 404 and the first through hole 32, so as to play a role of sealing and waterproofing, and prevent water or impurities from passing through the first light-transmitting member. The installation gap between 42 and the light-shielding sleeve 404 enters the interior of the housing 50 , thereby affecting the operation of the flasher 20 and even damaging the flasher 20 .

The light-shielding sleeve 404 is interconnected with the light-transmitting prism 402 as a whole, which is easy to install or disassemble in the first through hole 32 , and the light-shielding sleeve 404 blocks the light of the flash lamp 20 entering the first through hole 32 from entering the cover plate from the inner wall of the first through hole 32 The main body 30 thus channel light to the camera 10, the light-transmitting prism 402 protects the flash 20 and is used to transmit the light emitted by the flash 20 to the outside of the composite cover 300, the flash 20 does not affect the normal operation of the camera 10, and improves the shooting effect of the camera module 100, The pictures and videos taken are real, and the user experience is improved.

Referring to FIG. 4 , in this embodiment, the light-transmitting prism 402 is located on the first surface 302 . After the light emitted by the flash lamp 20 enters the first through hole 32 (specifically, enters the light shielding sleeve 404 in the first through hole 32 ), it passes through the light transmitting prism 402 and propagates to the outside world. The light-transmitting prism 402 protects the flash 20 from bumping the flash 20 and prevents water vapor and gray layer from entering the flash 20 . The light-shielding sleeve 404 blocks light from entering the cover body 30 from the first inner wall 320 to propagate to the position of the camera 10 . Further, the vertical projection of the light-transmitting prism 402 on the first surface 302 covers the first through hole 32 , thereby enhancing the protection of the light-transmitting prism 402 to the flash 20 .

In one embodiment, the light-shielding sleeve 404 is in an interference fit with the first through hole 32 , so that the surface of the light-shielding sleeve 404 is in close contact with the first inner wall 320 , so that when the light emitted from the flash lamp 20 enters the first through hole 32 , It will not enter the gap between the light shielding sleeve 404 and the first inner wall 320 .

Please continue to refer to FIG. 4 , the light-transmitting prism 402 includes an outer surface 402 a facing away from the cover body 30 , the outer surface 402 a is a concave curved surface, and the outer surface 402 a is used to change the propagation path of the light emitted by the flash lamp 20 . Specifically, the outer surface 402a may be a spherical surface recessed in the light-transmitting prism 402, or may be an aspherical surface. The function of the light-transmitting prism 402 is similar to that of a concave lens. As shown in FIG. 9 , when the light of the flash lamp 20 is emitted from the outer surface 402a of the light-transmitting prism 402, the outer surface 402a increases the divergence angle of the light, thereby expanding the coverage of the light of the flash lamp 20. The function of the range is beneficial to improve the shooting effect of the camera module 100 .

The edge of the light-transmitting prism 402 contacts the surface of the cover plate main body 30 . Specifically, as shown in FIG. In this embodiment, the inner surface 402b is in contact with the first surface 302 of the cover plate body 30, so that there is no gap between the light-transmitting prism 402 and the cover plate body 30, and all the light from the flash lamp 20 emitted from the first through hole 32 enters the transparent prism 30. The light prism 402 is diffused by the light-transmitting prism 402 , which improves the utilization rate of the light of the flash 20 . In one embodiment, the edge of the inner surface 402b and the surface of the cover plate main body 30 are bonded by a light-shielding glue, that is, the edge of the inner surface 402b and the first surface 302 are glued together by a light-shielding glue. On the one hand, the light-shielding glue fixes the light-transmitting prism 402 on the cover body 30; Channeling light is prevented.

Please refer to FIG. 1 and FIG. 4 . In this embodiment, the camera head 10 further includes a first light-transmitting member 42 . Specifically, in FIG. 4 , the first light-transmitting member 42 is accommodated in the light-shielding sleeve 404 . The light incident surface 422 and the light exit surface 424 are disposed opposite to each other. The flash 20 is located on the side of the light incident surface 422 of the first light transmitting member 42 , and the light exit surface 424 is flush with the first surface 302 . In one embodiment, the first light-transmitting member 42 is made of a transparent material with a strength greater than that of the cover body 30, and the first light-transmitting member 42 is wear-resistant and not easy to scratch, and the first light-transmitting member 42 ensures the flash 20 for a long time. In normal use, the use of the first light-transmitting member 42 in combination with the low-cost cover plate body 30 reduces the cost of the composite cover plate 300 . In one embodiment, the shape of the first light-transmitting member 42 is the same as the shape of the interior of the light-shielding sleeve 404 , so that the first light-transmitting member 42 can be installed in a seamless fit with the light-shielding sleeve 404 .

4 , in this embodiment, the first light-transmitting member 42 is in contact with the light-transmitting prism 402 . Specifically, the light-emitting surface 424 of the first light-transmitting member 42 is in contact with the inner surface 402b of the light-transmitting prism 402, so that there is no gap between the light-transmitting prism 402 and the first light-transmitting member 42, passing through the first light-transmitting member 42. The light of the flash 20 of 42 all enters the light-transmitting prism 402 and is dispersed by the light-transmitting prism 402 , which improves the utilization rate of the light of the flash 20 . Further, the light emitting surface 424, the inner surface 402b and the first surface 302 are coplanar. After the light from the flash lamp 20 enters the first through hole 32, it first enters the shading sleeve 404. It enters the first light-transmitting member 42 and the light-transmitting prism 402 in sequence, and finally exits from the outer surface 402a.

Please refer to FIG. 1 , FIG. 4 and FIG. 8 . In this embodiment, the cover body 30 further includes a second through hole 34 connecting the first surface 302 and the second surface 304 . Specifically, as shown in FIG. 4 , the camera 10 is on the second surface. The vertical projection of 304 falls within the range of the second through hole 34 , that is, the camera 10 corresponds to the second through hole 34 . The composite cover plate 300 further includes a second transparent member 44 , the second transparent member 44 is accommodated in the second through hole 34 , and the second transparent member 44 is used to protect the camera 10 . In one embodiment, the second through hole 34 is a circular through hole. Of course, in other embodiments, the second through hole 34 can also be a through hole of other shapes, such as a rectangle, a cone, and the like. In this embodiment, the second through hole 34 and the first through hole 32 do not intersect, so as to separate the light paths of the flash 20 and the camera 10 and avoid mutual influence. The second light-transmitting member 44 is accommodated in the second through hole 34. The second light-transmitting member 44 is used to protect the camera 10. Specifically, the second light-transmitting member 44 is made of a transparent material with a strength greater than that of the cover body 30, and the first The second light-transmitting member 44 is wear-resistant and not easy to be scratched. The second light-transmitting member 44 ensures the normal use of the camera 10 for a long time. cost. In one embodiment, the shape of the second light-transmitting member 44 is the same as the shape of the second through hole 34, so that the second light-transmitting member 44 can be installed seamlessly with the second through hole 34. Further, the second There is also a sealing ring (not shown in the figure) between the light-transmitting member 44 and the second through hole 34 to play a role of sealing and waterproofing to prevent water or impurities from passing from the second light-transmitting member 44 and the second through hole. The installation gap between 34 enters the second through hole 34 to affect the operation of the camera 10 and even damage the camera 10 .

As shown in FIG. 4 , in this embodiment, a side surface of the second light-transmitting member 44 facing away from the camera 10 (a surface 44 a in the figure) is flush with the first surface 302 . Specifically, the thickness of the second transparent member 44 is the same as the depth of the second through hole 34 , that is, after the second transparent member 44 is placed in the second through hole 34 , one side surface of the second transparent member 44 is the same as the first The surface 302 is flush, so that the entire first surface 302 of the cover plate main body 30 is a continuous and flat surface, so that the part of the composite cover plate 300 exposed to the outside of the casing 50 is a flat whole, which improves the integrity of the composite cover plate 300 Beautiful effects and enhanced user experience.

Referring to FIG. 5 , in an embodiment, the second surface 304 of the composite cover plate 300 is provided with a first light shielding layer 52 for blocking the light emitted by the flash lamp 20 from propagating to the second surface 304 . Specifically, the first light shielding layer 52 covers the second surface 304 except for the positions corresponding to the first through holes 32 and the second through holes 34 . On the one hand, it can prevent the light emitted by the flash 20 from entering the cover body 30 from the second surface 304 . On the other hand, part of the light in the cover body 30 can be prevented from leaking from the second surface 304 and affecting the shooting of the camera 10 , the shooting effect of the camera module 100 is improved, the pictures and videos taken are realistic, and the user experience is improved.

Referring to FIG. 6 , in an embodiment, the inner wall of the second through hole 34 (the second inner wall 340 ) is provided with a second light shielding layer 54 for blocking the light emitted by the flash lamp 20 from entering the cover body 30 and entering the second through hole 30 . Propagation within hole 34. In one embodiment, the second light shielding layer 54 is a black ink layer coated on the second inner wall 340 , and the black ink layer can have a good light absorption effect. Further, the method of coating the second light-shielding layer 54 is simple and convenient, the second light-shielding layer 54 is attached to the second inner wall 340, there is no gap between the second light-shielding layer 54 and the second inner wall 340, and most of the light emitted by the flash lamp 20 is emitted from the second inner wall 340. The first through hole 32 shoots out, and a small part enters the cover body 30 from the second surface 304 and propagates to the second inner wall 340 , and enters the second through hole 34 through the second inner wall 340 , and then propagates to the second through hole 34 It is directly absorbed by the second light-shielding layer 54 during the process, thereby further avoiding the influence of the flash 20 on the camera 10, improving the shooting effect of the camera module 100, taking pictures and video images realistically, and improving user experience. At the same time, the light blocking effect of the black ink layer can be improved by increasing the thickness of the black ink layer, thereby avoiding the influence of the flash 20 on the camera 10 .

As shown in FIG. 7 , in one embodiment, the flash 20 is at least partially accommodated in the first through hole 32 . Specifically, the flash 20 includes a light-emitting surface 202 , and the horizontal position of the light-emitting surface 202 is located between the second surface 304 and the first surface 302 In between, so that all the light emitted by the flash 20 enters the first through hole 32, and the first light shielding layer 52 also blocks part of the light propagating to the second surface 304, which improves the utilization rate of the light of the flash 20 and further avoids the need for the flash 20. The light is channeled toward the camera 10 .

In one embodiment, the light-shielding sleeve 404 is fixed in the first through hole 32 by an interference fit. In other embodiments, the light-shielding sleeve 404 is adhered to the first through hole 32 by adhesive. The interference connection makes the light-shielding sleeve 404 tightly connected in the first through hole 32 and is not easy to fall off. There is no gap between the light-shielding sleeve 404 and the first through hole 32 to prevent water vapor and ash layer from entering.

In one embodiment, the first light-transmitting member 42 is fixed in the light-shielding sleeve 404 by an interference fit. In other embodiments, the first light-transmitting member 42 is adhered to the light-shielding sleeve 404 by adhesive. The interference connection method makes the first light-transmitting member 42 tightly connected in the light-shielding sleeve 404 and is not easy to fall off.

In one embodiment, the second light-transmitting member 44 is fixed in the second through hole 34 by an interference fit. In other embodiments, the second light-transmitting member 44 is adhered to the second through hole 34 by adhesive. The interference connection makes the second light-transmitting member 44 tightly connected in the second through hole 34 and is not easy to fall off.

The light-shielding sleeve 404 is interconnected with the light-transmitting prism 402 as a whole, which is easy to install or disassemble in the first through hole 32 , and the light-shielding sleeve 404 blocks the light of the flash lamp 20 entering the first through hole 32 from entering the cover plate from the inner wall of the first through hole 32 The main body 30 thus channel light to the camera 10, the light-transmitting prism 402 protects the flash 20 and is used to transmit the light emitted by the flash 20 to the outside of the composite cover 300, the flash 20 does not affect the normal operation of the camera 10, and improves the shooting effect of the camera module 100, The pictures and videos taken are real, and the user experience is improved.

Referring to FIGS. 10 and 11 , the difference between the composite cover plate 300 provided in the second embodiment of the present invention and the first embodiment is that the light-transmitting prisms 402 are located on the second surface 304 . 12 , the light emitted by the flash 20 enters the light-transmitting prism 402 through the outer surface 402a, the light passes through the light-transmitting prism 402, enters the first light-transmitting member 42, and exits from the first light-transmitting member 42 to propagate to the outside. The outer surface 402a of the light-transmitting prism 402 absorbs all the divergent light emitted by the flashlight 20, so that all the light from the flashlight 20 passes through the composite cover 300 and is emitted to the outside world, and the light-transmitting prism 402 absorbs the light from the flashlight 20 with a larger divergence angle and emits light to the outside. The light is refracted into the first through hole 32 to improve the utilization rate of the light of the flash lamp 20 .

Referring to FIG. 11 , in this embodiment, the inner surface 402 b is in contact with the second surface 304 of the cover plate body 30 , so that there is no gap between the light-transmitting prism 402 and the cover plate body 30 . In one embodiment, the edge of the inner surface 402b and the surface of the cover plate main body 30 are bonded by a light-shielding glue, that is, the edge of the inner surface 402b and the second surface 304 are glued together by a light-shielding glue. On the one hand, the light-shielding glue fixes the light-transmitting prism 402 on the cover body 30 , and on the other hand, the light-shielding glue prevents light from the flash 20 from being refracted and emitted from the inner surface 402b and entering the cover body 30 , further preventing light channeling.

Referring to FIG. 11 , in this embodiment, the first light-transmitting member 42 is in contact with the light-transmitting prism 402 . Specifically, the light incident surface 422 of the first light-transmitting member 42 is in contact with the inner surface 402 b of the light-transmitting prism 402 , so that there is no gap between the light-transmitting prism 402 and the first light-transmitting member 42 , passing through the light-transmitting prism 402 All the light of the flash 20 enters the first light-transmitting member 42 and is emitted, which improves the utilization rate of the light of the flash 20 . Further, the light incident surface 422, the inner surface 402b and the second surface 304 are coplanar. After the light from the flash lamp 20 enters the first through hole 32, it first enters the shading sleeve 404, and the shading sleeve 404 blocks the light from entering the interior of the cover body 30, Eventually it exits the outer surface 402a.

Referring to FIG. 13 , the difference between the composite cover plate 300 provided in the third embodiment of the present invention and the first embodiment is that the number of light-transmitting prisms 402 is two, and the two light-transmitting prisms 402 are respectively located on the first surface 302 and the second surface 304 on. 14 , the two light-transmitting prisms 402 are respectively used for diffusing and absorbing the light of the flash 20 , increasing the divergence angle of the light of the flash 20 , improving the shooting effect of the camera module 100 , and improving the utilization rate of the light of the flash 20 .

An embodiment of the present invention further provides a camera module 100. The structure of the camera module 100 is shown in FIG. 4 or FIG. 10 or FIG. 12. The camera module 100 includes a camera 10, a flash 20, and the composite cover provided by the embodiment of the present invention. 300 , the camera 10 is located on the side of the second surface 304 of the cover body 30 , the flash 20 is at least partially accommodated in the first through hole 32 , and the composite cover 300 is used to protect the camera 10 and the flash 20 .

3 , a fixing frame is also included, and the fixing frame fixes the cover body 30 on the casing 50 through the edge of the cover body 30 . Specifically, the fixing frame is sleeved outside the cover body 30, and the edge of the cover body 30 is fixed on the casing 50, so that the second surface 304 of the cover body 30 is attached to the casing 50, and the first surface 304 of the cover body 30 is attached to the casing 50. Surface 302 is exposed outside of housing 50 . The fixing frame does not block the first surface 302 and maintains the integrity of the first surface 302 to improve user experience. Further, the cover body 30 is fixed from the frame of the cover body 30 to avoid the fragile glass material of the cover. The main body 30 is fixed by punching or the like, and the fixing is firm.

As shown in FIG. 4 , in an embodiment, the flash 20 includes a light-emitting surface 202 facing the composite cover plate 300 , and the center line of the first through hole 32 passes through the center of the light-emitting surface 202 . Specifically, the light-emitting surface 202 of the flash 20 faces directly, the light emitted by the light-emitting surface 202 has the same optical path to the reflective surface, and the light is reflected by the reflective surface and distributes evenly, which is beneficial to improve the shooting effect of the camera module 100 .

Further, the camera module 100 provided by the embodiment of the present invention further includes a circuit board, and the circuit board is electrically connected to the flash 20 to control the flash 20 to work.

Referring to FIG. 15 , an embodiment of the present invention further provides a mobile terminal 200 . The mobile terminal 200 refers to computer equipment that can be used on the move, including but not limited to mobile phones, notebooks, tablet computers, POS machines, vehicle-mounted computers, cameras, and the like. The mobile terminal 200 provided by the embodiment of the present invention includes the camera module 100 described above. Further, the mobile terminal 200 also includes functional components such as a main board and a display module.

The light-shielding sleeve 404 is interconnected with the light-transmitting prism 402 as a whole, which is easy to install or disassemble in the first through hole 32 , and the light-shielding sleeve 404 blocks the light of the flash lamp 20 entering the first through hole 32 from entering the cover plate from the inner wall of the first through hole 32 The main body 30 thus channel light to the camera 10, the light-transmitting prism 402 protects the flash 20 and is used to transmit the light emitted by the flash 20 to the outside of the composite cover 300, the flash 20 does not affect the normal operation of the camera 10, and improves the shooting effect of the camera module 100, The pictures and videos taken are real, and the user experience is improved.

The above disclosures are only a few preferred embodiments of the present invention, which of course cannot limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand that all or part of the procedures for implementing the above-mentioned embodiments can be realized according to the rights of the present invention. The equivalent changes required to be made still belong to the scope covered by the invention.

Claims (20)

1. The utility model provides a compound apron for cover camera and flash light of camera module, its characterized in that, compound apron includes:

the cover plate main body is provided with a first through hole;

light-transmitting prism and shading sleeve, light-transmitting prism with shading sleeve interconnection is as an organic whole, shading sleeve accept in first through-hole and contact the inner wall of first through-hole, the shading sleeve is formed with accommodating space, light-transmitting prism is located the surface of apron main part covers first through-hole extends cover in the peripheral region that is located first through-hole on the surface of apron main part, the light that the flash light sent gets into see through behind the telescopic inside of shading light-transmitting prism.

2. The composite cover sheet of claim 1 wherein the light-transmissive prism includes an outer surface facing away from the cover sheet body, the outer surface being a concave curved surface for altering the propagation path of light rays emitted by the flash lamp.

3. The composite cover sheet of claim 2 wherein the light-transmitting prism further comprises an inner surface opposite the outer surface, an edge of the inner surface contacting a surface of the cover sheet body.

4. The composite cover plate of claim 3, further comprising a first light transmissive member received in the light blocking sleeve, the first light transmissive member configured to transmit light emitted by the flashlight.

5. The composite cover sheet of claim 4 wherein the first light transmissive member abuts the light transmissive prism.

6. The composite cover plate of claim 1, wherein the cover plate body further comprises a second through hole, and the composite cover plate further comprises a second light-transmitting member, the second light-transmitting member being received in the second through hole, the second light-transmitting member being configured to transmit light entering the camera.

7. The composite cover plate of claim 6, wherein the cover plate body comprises a first surface and a second surface which are opposite to each other, the light emitted from the flash lamp propagates from the second surface to the first surface, the first through hole and the second through hole are communicated with the first surface and the second surface, and the vertical projection of the light-transmitting prism on the first surface covers the first through hole.

8. The composite cover plate of claim 7, wherein a side surface of the second light-transmitting member facing away from the camera is flush with the first surface.

9. The composite cover sheet according to claim 7, wherein the second surface is provided with a first light shielding layer for blocking light emitted from the flash lamp from propagating towards the second surface.

10. The composite cover plate according to claim 6, wherein the inner wall of the second through hole is provided with a second light shielding layer for blocking the light emitted from the flash lamp from propagating into the second through hole.

11. The composite decking of claim 6, wherein the second light-transmitting member is an interference fit with the second through-hole.

12. The composite cover sheet of claim 3 wherein the edges of the inner surface are attached to the surface of the cover sheet body by a light blocking glue.

13. The composite cover sheet of claim 4 wherein the first light transmissive element is an interference fit with the light blocking sleeve.

14. The composite cover sheet of claim 1 wherein the light blocking sleeve is an interference fit with the first through hole.

15. The composite cover sheet of any of claims 7 to 9, wherein the light-transmissive prism is located on the first surface.

16. The composite cover sheet of any of claims 7 to 9, wherein the light-transmissive prisms are located on the second surface.

17. The composite cover sheet according to any one of claims 7 to 9, wherein the number of the light-transmitting prisms is two, and the two light-transmitting prisms are respectively located on the first surface and the second surface.

18. A camera module, comprising a camera, a flash lamp and the composite cover plate of any one of claims 1 to 17, wherein the camera and the flash lamp are disposed adjacent to each other, the composite cover plate is disposed on one side of the camera and the flash lamp, and the composite cover plate is used for protecting the camera and the flash lamp.

19. The camera module of claim 18, wherein the flash includes a light emitting surface facing the composite cover plate, and a center line of the first through hole passes through a center of the light emitting surface.

20. A mobile terminal, characterized in that it comprises a camera module according to any one of claims 18 to 19.

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