CN108174066A - Lens assembly of camera, camera and electronic equipment - Google Patents

Abstract

The invention discloses a lens assembly of a camera, the camera and electronic equipment. The surfaces of the lens include a working surface and a non-working surface, the non-working surface being a roughened surface. The spacer is arranged with the multichip lens range upon range of, and the spacer is located the installation intracavity. According to the lens assembly of the camera, the non-working surface of the lens is constructed into the rough surface, so that the roughness of the non-working surface of the lens can be improved, the action effect of the lens is not influenced, the reflection of light irradiating the non-working surface of the lens can be converted into slow reflection, the light reflected by the rough non-working surface can be reflected to the periphery, and the conditions that glare is formed in a reflection concentration mode and imaging is influenced can be avoided.

Description

Camera lens assembly, camera and electronic equipment

technical field

The present invention relates to the field of communication technologies, and in particular, to a lens assembly of a camera, a camera and electronic equipment.

Background technique

The imaging principle of the camera is that after the light passes through some mirrors in the lens, it is refracted or reflected to form an optical pattern. In the related art, the reflection of other components in the lens assembly of the camera will affect the light path and light throughput, resulting in poor imaging effect and poor image quality.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes a camera lens assembly, which has the advantages of simple design and good imaging effect.

The present invention also proposes a camera, which includes the lens assembly of the camera as described above.

The present invention also proposes an electronic device, which includes the above-mentioned camera.

The lens assembly of the camera head according to the embodiment of the present invention includes: a lens holder, the lens holder has an installation cavity; a plurality of lenses, the plurality of lenses are stacked, and the plurality of lenses are located in the installation cavity, so The surface of the lens includes a working surface and a non-working surface, the non-working surface is a rough surface; and a spacer, the spacer is stacked with a plurality of the lenses, and the spacer is located in the installation cavity.

According to the lens assembly of the camera head in the embodiment of the present invention, the non-working surface of the lens can be constructed as a rough surface, so that the roughness of the non-working surface of the lens can be improved without affecting the effect of the lens, and then the irradiation on the non-working surface of the lens can be irradiated. The reflection of light on the working surface is converted into slow reflection, and the light reflected by the rough non-working surface can be reflected to the surroundings, thereby avoiding the glare caused by the concentrated reflection and affecting the imaging.

A camera according to an embodiment of the present invention includes a lens assembly of the camera, and the lens assembly of the camera is the above-mentioned lens assembly of the camera.

According to the camera head of the embodiment of the present invention, by constructing the non-working surface of the lens as a rough surface, the roughness of the non-working surface of the lens can be improved without affecting the effect of the lens, and then the light irradiated on the non-working surface of the lens can be The reflection of light is converted into slow reflection, and the light reflected by the rough non-working surface can be reflected to the surroundings, so as to avoid the glare caused by the concentrated reflection and affect the imaging.

An electronic device according to an embodiment of the present invention includes a camera, where the camera is the above-mentioned camera.

According to the electronic device of the embodiment of the present invention, by constructing the non-working surface of the lens as a rough surface, the roughness of the non-working surface of the lens can be improved without affecting the effect of the lens, and the irradiation on the non-working surface of the lens can be The reflection of the light is converted into slow reflection, and the light reflected by the rough non-working surface can be reflected to the surroundings, so as to avoid the glare caused by the concentrated reflection and affect the imaging.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments when taken in conjunction with the following drawings, in which:

Fig. 1 is a schematic structural diagram of a camera according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.

Reference signs:

Electronic device 1, camera 10, casing 50, flashlight 60,

lens assembly 100,

Lens holder 110, installation cavity 111, process surface 112, lines 113, tank body 114,

lens 120, working surface 121, non-working surface 122, steps 123,

spacer 130,

A filter 20, a chip 30, and a circuit board 40.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "inner", "outer", "axial", "radial" and "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this The invention and the simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The following describes the lens assembly 100 of the camera 10 according to the embodiment of the present invention with reference to FIG. 1 .

As shown in FIG. 1 , a lens assembly 100 of a camera 10 according to an embodiment of the present invention includes a lens holder 110 , multiple lenses 120 and spacers 130 .

Specifically, as shown in FIG. 1 , the lens holder 110 has a mounting cavity 111 . For example, an installation cavity 111 may be provided at the center of the lens holder 110 , and the installation cavity 111 penetrates the lens holder 110 in the axial direction of the lens holder 110 . Multiple lenses 120 are stacked and located in the installation cavity 111 . The surface of the lens 120 includes a working surface 121 and a non-working surface 122 . The non-working surface 122 is a rough surface. In other words, multiple lenses 120 are disposed in the installation cavity 111 , and the multiple lenses 120 are arranged in layers. For example, multiple lenses 120 may be arranged at intervals along the axial direction of the installation cavity 111 , and the periphery of any lens 120 may be fixed on the lens holder 110 .

It should be noted that the multiple lenses 120 may be arranged in parallel, and the multiple lenses 120 may also form an included angle. The surface of the lens 120 includes a working surface 121 and a non-working surface 122 , the non-working surface 122 may be uneven, and light irradiating on the non-working surface 122 may form slow reflection.

As shown in FIG. 1 , the spacer 130 can be stacked with multiple lenses 120 , and the spacer 130 is located in the installation cavity 111 . For example, the spacer 130 is located in the installation cavity 111, the spacer 130 can be sandwiched between the multiple lenses 120, and the spacer 130 can also be located above or below the multiple lenses 120 (according to the orientation shown in Figure 1 ), the spacer 130 can be arranged parallel to the lens 120 , the spacer 130 can also form an angle with the lens 120 , and the periphery of the spacer 130 can be fixed on the inner peripheral wall of the lens holder 110 .

According to the lens assembly 100 of the camera head 10 of the embodiment of the present invention, the non-working surface 122 of the lens 120 is configured as a rough surface, so that the roughness of the non-working surface 122 of the lens 120 can be improved without affecting the effect of the lens 120, Furthermore, the reflection of light irradiated on the non-working surface 122 of the lens 120 can be converted into slow reflection, and the light reflected by the rough non-working surface 122 can be reflected to the surroundings, thereby avoiding the glare caused by concentrated reflections and affecting imaging.

It should be noted that the "working surface 121" mentioned here may refer to the part of the surface on the lens 120 that processes light, acts on the light, and may contribute to the imaging result. For example, the "working surface 121" may be a lens The surface of the concave-convex mirror part on 120, "non-working surface 122" can refer to the part of the surface of the lens 120 that basically has no effect on light and can be used to fix and install the lens 120, for example, "non-working surface 122" can be a concave-convex mirror The edge of the flat mirror corresponds to the surface.

As shown in Figure 1, in some embodiments of the present invention, the non-working surface 122 can extend along the edge of the working surface 121, the non-working surface 122 can be formed in a ring shape, and the working surface 121 is located at the inner ring of the non-working surface 122 Inside, the radial outer edge of the non-working surface 122 may be embedded on the peripheral wall of the installation cavity 111 . Thus, the lens 120 only needs to be processed at some positions to form the working surface 121, thereby reducing the manufacturing cost of the lens 120, and the non-working surface 122 can be manufactured into a structure suitable for being installed in the mounting cavity 111, thereby improving the performance of the lens. 120 installation stability.

As shown in FIG. 1 , according to some embodiments of the present invention, the non-working surface 122 has a step 123 therein. For example, non-working surface 122 may form a step. The non-working surface 122 can form a plurality of protrusions, and the plurality of protrusions are all annular, and the plurality of protrusions are nested in sequence, from the radial inner side of the spacer 130 to the radial outer side of the spacer 130, The thickness of the raised portion gradually increases or decreases gradually. Thus, the roughness of the non-working surface 122 can be increased, and the steps 123 can form slow reflection of light.

As shown in FIG. 1 , according to some embodiments of the present invention, the thickness of the lens 120 located in the non-working surface 122 gradually increases from the radially inner side to the radially outer side of the lens 120 . In other words, from the center of the lens 120 to the edge of the lens 120, the thickness of the lens 120 at the position of the part of the non-working surface 122 can gradually increase. The distance gradually increases. Thereby, the reflection path of light rays can be changed.

As shown in FIG. 1 , according to other embodiments of the present invention, the thickness of the lens 120 located in the non-working surface 122 decreases gradually from the radially inner side to the radially outer side of the lens 120 . In other words, from the center of the lens 120 to the edge of the lens 120, the thickness of the lens 120 at the position of the part of the non-working surface 122 can gradually decrease. distance gradually decreases. Thereby, the reflection path of light rays can be changed.

As shown in Figure 1, according to some embodiments of the present invention, at least part of the inner wall surface of the installation cavity 111 is a process surface 112, and the process surface 112 has a texture 113 constructed by an electric discharge process, and the process surface 112 is As for the inclined surface, in the direction of light transmission, the processed surface 112 gradually inclines toward the radially outer side or radially inner side of the lens 120 . It can be understood that, the surrounding wall surface of the installation cavity 111 can be the process treatment surface 112, or part of the surrounding wall surface of the installation cavity 111 is formed as the process treatment surface 112, and the process treatment surface 112 is an uneven curved surface, and the process treatment surface 112 There are lines 113 on it, and the lines 113 may be formed by electric discharge process. In other words, the process surface 112 with the texture 113 can be formed by performing electric discharge treatment on at least part of the surrounding wall surface of the installation cavity 111 .

For example, the process surface 112 can be formed as an annular surface, and the cross-sectional area of the process surface 112 gradually increases in the direction of light transmission from the outside of the camera 10 to the inside of the camera 10, that is, the process surface 112 can be formed into a trumpet shape. Therefore, after the light is reflected by the process surface 112, the reflected light is relatively dispersed. For another example, the process surface 112 can be formed as an annular surface, and the cross-sectional area of the process surface 112 gradually decreases in the direction in which light passes from the outside of the camera 10 to the inside of the camera 10, that is, the process surface 112 can form an inverted trumpet shape. Therefore, after the light is reflected by the process surface 112, the reflected light is relatively dispersed.

According to some embodiments of the present invention, an adhesive layer may be coated on the process surface 112 . It can be understood that an adhesive layer may be provided on the process surface 112 , and the adhesive layer covers the process surface 112 . Thus, the dust can adhere to the adhesive layer, preventing the dust from falling on the lens 120 and affecting the imaging effect, thereby improving the performance of the camera 10 .

Further, the viscous layer may be oily dust-proof glue. The oily dust-proof adhesive has fluidity and stickiness, and can be directly brushed on the process surface 112 . Therefore, it is easy to coat, and has good sticking performance and good dust-absorbing effect. It should be noted that it is not limited here that the viscous layer is only coated on the process surface 112 , and the surrounding walls of the installation cavity 111 may be coated with the viscous layer. In this way, the action range of the viscous layer can be enlarged, thereby the action effect of the viscous layer can be improved, and the dust-absorbing ability can be improved.

As shown in FIG. 1 , according to some embodiments of the present invention, the lens holder 110 may have a groove body 114 , and the lens 120 is embedded in the groove body 114 . It can be understood that a groove body 114 may be provided on the peripheral wall of the installation cavity 111 , a portion of the peripheral wall where the groove body 114 is located is recessed facing the radially outer side of the lens holder 110 , and the edge of the lens 120 is suitable for being embedded in the groove body 114 . Thus, the lens 120 can be installed on the lens holder 110, and the realization method is simple and the installation is convenient. In some embodiments of the present invention, the tank body 114 may be spaced apart from the process surface 112 . Thus, the impact of the tank body 114 on the process surface 112 is avoided.

In some embodiments of the present invention, there are multiple groove bodies 114 , and the multiple groove bodies 114 are distributed at intervals along the axial direction of the lens holder 110 , and the multiple groove bodies 114 correspond to the multiple lenses 120 one by one. Thus, any lens 120 can be defined in its corresponding groove 114 .

In some embodiments of the present invention, the groove body 114 may be an annular groove. It can be understood that the groove body 114 may be formed in a ring shape, and the groove body 114 may extend along the circumferential direction of the lens holder 110 . Thus, the edge at any position of the lens 120 can be limited in the groove body 114 , so that the active area between the lens 120 and the groove body 114 can be increased, and the connection stability of the lens 120 can be improved. In another embodiment of the present invention, the groove body 114 may be formed as a multi-segment arc-shaped groove, and the multi-segment arc-shaped groove is arranged at intervals along the circumferential direction of the lens holder 110 , and the lens 120 is adapted to be defined in the multi-segment arc-shaped groove.

According to some embodiments of the present invention, the lens holder 110 may be formed on the periphery of the lens 120 by injection molding. It can be understood that the lens holder 110 can be formed by injection molding directly on the periphery of the lens 120 . In this way, the installation cooperation effect between the lens holder 110 and the lens 120 can be improved, the installation stability of the lens 120 can be improved, and the structure is compact, which is convenient for assembly.

As shown in FIG. 1 , a camera 10 according to an embodiment of the present invention includes a camera lens assembly, which is the above-mentioned lens assembly 100 of the camera 10 . The camera 10 also includes a filter 20 , a chip 30 , a circuit board 40 and the like.

According to the camera 10 of the embodiment of the present invention, by constructing the non-working surface 122 of the lens 120 as a rough surface, the roughness of the non-working surface 122 of the lens 120 can be improved without affecting the effect of the lens 120, and the irradiation The reflection of light on the non-working surface 122 of the lens 120 is converted into slow reflection, and the light reflected by the rough non-working surface 122 can be reflected to the surroundings, thereby avoiding glare caused by concentrated reflections and affecting imaging.

As shown in FIG. 2 , an electronic device 1 according to an embodiment of the present invention includes a camera, and the camera is the camera 10 described above. The camera 10 is embedded on the casing 50 of the electronic device 1 .

It should be noted that "electronic device 1" as used herein includes, but is not limited to, configured to be connected via a wired line (such as via a public switched telephone network (PSTN), digital subscriber line (DSL), digital cable, direct cable connection, and/or another data connection/network) and/or via (e.g., for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters, and A device for receiving/transmitting communication signals through a wireless interface of another communication terminal. Electronic devices that are configured to communicate over a wireless interface may be referred to as "wireless electronic devices," "wireless devices," and/or "mobile electronic devices." Examples of mobile electronic devices include, but are not limited to, satellite or cellular telephones; Personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/Intranet connected PDAs with entry, Web browser, organizer, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or other electronic devices including radiotelephone transceivers.

According to the electronic device 1 of the embodiment of the present invention, by configuring the non-working surface 122 of the lens 120 as a rough surface, the roughness of the non-working surface 122 of the lens 120 can be improved without affecting the effect of the lens 120, and then the The reflection of light irradiated on the non-working surface 122 of the lens 120 is converted into slow reflection, and the light reflected by the rough non-working surface 122 can be reflected to the surroundings, thereby avoiding glare caused by concentrated reflections and affecting imaging.

Further, as shown in FIG. 2 , multiple cameras 10 may be provided on the electronic device 1 . Multiple cameras 10 can be electrically connected, so that the camera effect can be improved. Furthermore, the electronic device 1 may further include a flashlight 60 embedded in the casing 50 , and the flashlight 60 is close to the camera 10 . Thus, when the camera 10 is working, the flash 60 can illuminate the object to be photographed, thereby improving the photographing effect.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A camera lens assembly, characterized in that, comprising: A lens bracket, the lens bracket has a mounting cavity; A plurality of lenses, the plurality of lenses are stacked, and the plurality of lenses are located in the installation cavity, the surfaces of the lenses include a working surface and a non-working surface, and the non-working surface is a rough surface; and A spacer, the spacer is stacked with multiple lenses, and the spacer is located in the installation cavity. 2 . The camera lens assembly according to claim 1 , wherein there are steps in the non-working surface. 3 . 3. The camera lens assembly according to claim 1, characterized in that, in the direction from the radially inner side to the radially outer side of the lens, the thickness of the lens located in the non-working surface gradually increases . 4. The lens assembly of the camera head according to claim 1, characterized in that, in the direction from the radially inner side to the radially outer side of the lens, the thickness of the lens located in the non-working surface gradually decreases . 5. The lens assembly of the camera according to claim 1, wherein at least part of the inner wall surface of the mounting cavity is a process surface, and the process surface has lines formed by an electric discharge process, so The process-treated surface is an inclined surface, and in the direction of light transmission, the process-treated surface gradually inclines toward the radially outer side or radially inner side of the lens. 6 . The camera lens assembly according to claim 5 , wherein an adhesive layer is coated on the process surface. 7 . 7 . The camera lens assembly according to claim 1 , wherein the lens holder has a groove, and the lens is embedded in the groove. 8 . The lens assembly of the camera according to claim 1 , wherein the lens holder is molded on the periphery of the lens by injection molding. 9. A camera, characterized by comprising a lens assembly of the camera, the lens assembly of the camera being the lens assembly of the camera according to any one of claims 1-8. 10. An electronic device, comprising a camera, the camera according to claim 9.