CN110248076B

CN110248076B - Protection lens assembly of camera, camera assembly and electronic equipment

Info

Publication number: CN110248076B
Application number: CN201910651225.6A
Authority: CN
Inventors: 贾玉虎
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2021-06-01
Anticipated expiration: 2039-07-18
Also published as: CN110248076A

Abstract

The application provides a protective lens assembly of a camera, wherein the protective lens assembly comprises a first lens and a second lens which are arranged in a stacked mode; the first lens is a colorless transparent lens, and the second lens is a blue glass lens. The protective lens assembly reduces the occupied space of the protective lens assembly, and further reduces the occupied space of the protective lens assembly.

Description

Protection lens assembly of camera, camera assembly and electronic equipment

Technical Field

The invention relates to the technical field of camera protection lenses, in particular to a protection lens assembly of a camera, a camera assembly and electronic equipment.

Background

In the related art, the camera is arranged in the electronic device, a blue glass (infrared cut-off filter) related to the camera needs to be provided with a bracket and other structures for fixing (generally, the blue glass is arranged between a lens and a sensor inside the camera), and the bracket structure is occupied in a larger space, and the camera, an electronic component and other objects need to be avoided, so that the whole space of the electronic device is larger.

Disclosure of Invention

An aspect of an embodiment of the present application provides a protective lens assembly of a camera, where the protective lens assembly includes a first lens and a second lens that are stacked; the first lens is a colorless transparent lens, and the second lens is a blue glass lens.

On the other hand of the embodiment of this application still provides a camera subassembly, camera subassembly includes camera module, decoration and preceding protection lens subassembly, the decoration with camera module connects, and corresponds the camera lens setting of camera module, protection lens subassembly with the decoration is connected, and the lid is located the camera lens of camera module.

Another aspect of the embodiments of the present application further provides an electronic device, where the electronic device includes a front shell, a rear cover, and the aforementioned camera assembly; the front shell and the rear cover are connected and enclosed to form an accommodating cavity, and the camera assembly is arranged in the accommodating cavity; the rear cover is provided with a through hole, and the decorating part is inserted into the through hole; the camera module is fixedly connected with the front shell.

The protection lens subassembly and camera subassembly that this application embodiment provided specifically are blue glass lens with the second lens and range upon range of on first lens, no longer need set up the support of solitary installation blue glass lens, can realize reducing self occupation space, and then reduce the space that the complete machine occupy after the equipment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a protective lens assembly of a camera according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a protective lens assembly of the camera head of the embodiment of FIG. 1;

FIG. 3 is a cross-sectional view of a protective lens component of a camera head according to another embodiment of the present application;

FIG. 4 is a schematic diagram illustrating a disassembled structure of a camera assembly provided by an embodiment of the present application;

FIG. 5 is a schematic plan view of the camera head assembly of the embodiment of FIG. 4;

FIG. 6 is a cross-sectional view of the camera head assembly of the embodiment of FIG. 5 taken along the direction A-A;

FIG. 7 is a schematic view of the construction of the trim piece of the embodiment of FIG. 4;

FIG. 8 is a cross-sectional view of the trim piece of the embodiment of FIG. 4;

FIG. 9 is a schematic diagram of a camera assembly according to another embodiment of the present application;

fig. 10 is a schematic partial structure diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

The blue glass of present rearmounted camera in existing market (infrared cut-off filter) is built-in for the camera, fix inside the camera through the plastic support, camera protection lens is fixed on cell-phone decoration, it is sealed with the camera that the design passes through the bubble cotton, the protection camera, present blue glass is built-in to occupy the camera inner space (generally set up between camera lens and sensor), the blue glass support all needs to be dodged to the long wide size of camera, components and parts such as electric capacity also need dodge the support, camera monomer length size is big, the BG needs the plastic support, increase camera overall thickness.

Please refer to fig. 1 and fig. 2 together, which are schematic structural diagrams of a protective lens assembly of a camera according to an embodiment of the present application; fig. 2 is a cross-sectional view of a protective lens assembly of the camera head in the embodiment of fig. 1. It should be noted that the terminal device in the present application may include an electronic device with a camera assembly, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device.

Specifically, the protective lens assembly 10 in the embodiment of the present application includes a first lens 11 and a second lens 12 which are disposed in a stacked manner; the first lens 11 is a colorless transparent lens, and the second lens 12 is a blue glass lens. The material of the first lens 11 may be glass or resin.

Optionally, in this embodiment, an area of the first lens 11 is larger than an area of the second lens 12, a sinking groove 111 is disposed on the first lens 11, and at least a portion of the second lens 12 is embedded in the sinking groove 111.

Specifically, the first lens 11 may be bonded to the second lens 12 by a sticky material such as glue or gum. The blue glass lens is a blue glass optical filter which is mainly used for filtering a part of infrared rays and visible red light. I.e. a portion of light having a longer wavelength. The specially made blue glass filter can filter only a part of (even all) infrared rays, which are mainly seen from the extreme value of the environment, but not filter visible red light. And is therefore widely used in cameras.

Further, the depth of the sinking groove 111 is greater than or equal to the thickness of the second lens 12, and the second lens 12 is completely embedded in the sinking groove 111. This arrangement has the advantage of preventing the second lens 12 from protruding beyond the end surface of the first lens 11, and thus can protect the second lens 12.

In this embodiment, the first lens 11 and the second lens 12 are both circular. It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

This scheme design passes through the glue laminating with built-in blue glass of camera on camera protective lens, open the heavy groove in camera protective lens upper end, the embedding of the blue glass of camera, through the laminating of peripheral round glue, the design of the built-in blue glass support of cancellation camera, the camera module is because of the bracket design cancellation, the length and width can reduce 0.9mm space (including support wall thickness 0.3mm, dodge clearance 0.15mm), but Z is to (thickness direction) attenuate thickness 0.41mm (for blue glass support plastic 0.18mm thickness +0.02mm glue thickness +0.21mm blue glass thickness).

Referring to fig. 3, fig. 3 is a cross-sectional view of a protective lens assembly of a camera according to another embodiment of the present application. Optionally, in this embodiment, the area of the first lens 11 is equal to the area of the second lens 12, and a circle of the periphery of the second lens 12 is bonded to the first lens 11 by glue, gum or other adhesive. Similarly, the material of the first lens 11 may be glass, resin, or the like, and is not particularly limited herein.

Compared with the prior art, the second lens 12 is specifically stacked on the first lens 11 as a blue glass lens in the embodiment of the application, an independent bracket for installing the blue glass lens is not needed, the occupied space of the lens is reduced, and the size of the assembled whole machine is reduced. Specifically, according to the technical scheme in the embodiment of the application, the single edge in the XY (direction parallel to the plane of the lens) direction of the camera is reduced by 0.9mm, so that more space is saved for the whole machine; the thickness of the camera in the Z direction (thickness direction) is reduced by 0.41mm, and the whole machine can be thinner; the blue glass support design is cancelled, and the material cost and the assembly cost are reduced.

Fig. 4, fig. 5 and fig. 6 are also provided, where fig. 4 is a schematic diagram of a disassembled structure of the camera assembly provided in the embodiment of the present application, fig. 5 is a schematic diagram of a planar structure of the camera assembly in the embodiment of fig. 4, and fig. 6 is a sectional view of fig. 5 along a direction a-a. The camera module comprises a camera module 20, a decoration part 30 and the protection lens assembly 10, the decoration part 30 is connected with the camera module 20 and is arranged corresponding to the lens 21 of the camera module 20, and the protection lens assembly 10 is connected with the decoration part 30 and covers the lens 21 of the camera module 20.

Referring to fig. 7 and 8 together, fig. 7 is a schematic structural view of the decoration of the embodiment of fig. 4, and fig. 8 is a sectional view of the decoration of the embodiment of fig. 4. Alternatively, the garnish 30 in the present embodiment includes a body portion 31, a connecting portion 32, and a carrier portion 33 that are integrally structured; the connecting part 32 and the bearing part 33 are respectively connected with the main body part 31; the connecting part 32 is used for connecting with the camera module 20; the supporting portion 33 is connected to the protective lens assembly 10.

Specifically, the main body 31 is of a cylindrical structure, the connecting portion 32 is connected to an outer side wall of the main body 31 and extends toward a direction away from the main body 31, and one end of the connecting portion 32 away from the protective lens assembly 10 is connected to the camera module 20.

As shown in fig. 7 and 8, the bearing part 33 is connected to the inner wall of the body part 31 and extends toward the central axis direction of the cylindrical body part 31, and an annular stepped groove 34 is formed between the bearing part 33 and the end part of the body part 31; the thickness of the protection lens assembly 10 is smaller than the depth of the annular step groove 34, and the protection lens assembly 10 is completely arranged in the annular step groove 34, so that the end portion of the main body portion 31 can protect the protection lens assembly 10.

Alternatively, the protective lens assembly 10 in the present embodiment is collinear with the axis of the internal shape of the main body portion 31.

Specifically, as shown in fig. 6, the camera module 20 includes a lens 21, a driving assembly 22, and a camera chip 23.

The lens 21 is partially disposed in the driving assembly 22 and partially extends into the trim 30. Specifically, the lens 21 partially extends into the barrel of the body 31 of the garnish 30.

Alternatively, the driving assembly 22 in this embodiment is used to push the lens 21 to move linearly in the driving assembly 22 along the axial direction of the lens 21.

Specifically, the driving assembly 22 includes a housing 221 and a VCM Voice Coil Motor 222(Voice Coil Motor inside electronics) disposed in the housing 221. The VCM voice coil motor 222 has a space for accommodating the lens 21 therein.

The camera chip 23 is disposed on a side of the driving component 22 away from the protective lens component 10, and corresponds to the lens 21, and an optical signal received by the lens 21 is emitted to the camera chip 23 to form an image on the camera chip 23.

The camera module 20 further includes a camera PCB (Printed Circuit Board) Board 24, in this embodiment, the camera PCB Board 24 is disposed on a side of the camera chip 23 away from the lens 21, and the camera PCB Board 24 is disposed outside the housing 221 of the driving component 22.

In the present embodiment, the protective lens assembly 10 includes a first lens 11 and a second lens 12, which are both aligned with the lens 21 of the camera assembly 20. Protecting the lens 21 of the camera assembly 20. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

The distance between the second lens 12 and the lens 21 of the camera module 20 is greater than the distance between the first lens 11 and the lens 21 of the camera module 20.

Compared with the prior art, the second lens 12 is stacked on the first lens 11, an independent support for mounting the second lens 12 is not needed, the occupied space of the camera assembly can be reduced, and the space of the whole machine after assembly is reduced.

Further, as shown in fig. 4 and 6, a sealing member 40 is interposed between the connecting portion 32 and the camera module 20, the sealing member 40 is a sheet-shaped structure, a through hole 41 is formed in the sealing member 40, the through hole 41 is communicated with a hollow portion in the cylinder of the decoration 30, and the shape and size of the through hole 41 are matched with those of the hollow portion in the cylinder of the decoration 30. More specifically, the sealing element 40 is attached to the side of the connecting portion 32 of the decoration 30 away from the protective lens assembly 10, and the other end is attached to the housing 221 of the driving assembly 22, so as to achieve sealing and dust prevention. The sealing member 40 is made of an elastic material, and may be made of foam, rubber, silicone, or the like.

Optionally, referring to fig. 9, fig. 9 is a schematic structural diagram of a camera head assembly according to another embodiment of the present application. In the present embodiment, the decoration member 30 is integrated with the housing of the camera module 20.

The housing 221 of the driving component 22 in this embodiment is a housing of the camera module 20, and the housing 221 of the driving component 22 has the same structure as the housing 221 in the previous embodiments.

The rear camera in the existing market is sealed and all adopts sealed bubble cotton and motor face to seal, and sealed bubble cotton is pasted on cell-phone decoration or clamp plate support, and the decoration passes through the cotton sealed dustproof of bubble with the camera motor face, and few part models use the silica gel cover to be attached to replace the bubble cotton. The disadvantages of the conventional techniques mainly include: (1) the decoration piece and the camera are assembled separately, so that the size chain is long, and the camera has an eccentric problem; (2) the camera sealing foam is small in size, and the operation of manually pasting the camera sealing foam on the pressing plate bracket is inconvenient; (3) the camera sealing foam is soft, and is often eccentric in the attaching process, so that the interference motor drives the lens to focus; (4) the manual attachment efficiency is low, and the labor cost is increased.

In comparison, the decoration 30 in the embodiment of the present application may be integrated with hardware of the camera motor, and the camera lens (the protection lens assembly 10 in the above embodiment) is attached to the decoration 30 and fed together with the motor.

The decorative part 30 and the camera module 20 housing can be integrally formed by stamping or die-casting. Decoration 30 and camera module 20 shell all can be the metal material, makes camera decoration and VCM iron-clad punching press or die-casting shaping integration through structural design, produces the line and saves the equipment decoration process, and the structure highly integrates, practices thrift the cost greatly, promotes the yield, produces the line simultaneously and saves the cotton process of sealed bubble of subsides motor, practices thrift the auxiliary material cost greatly, promotes the yield.

Specifically, an end of the main body portion 31 of the garnish 30 facing away from the protective lens assembly 10 is integrally designed and manufactured with the housing 221 of the driving assembly 22.

The camera assembly in this embodiment is a whole, need not to use sealing member 40, reduces sealed process and cost of labor, shortens camera module 20 and protection lens subassembly 10 apart from the size simultaneously, when can avoiding adopting the assembly of sealing member 40, produces eccentric problem between decoration 30 and the camera module 20.

Referring to fig. 10, fig. 10 is a schematic partial structure diagram of an electronic device according to an embodiment of the present disclosure. The embodiment of the present application further provides an electronic device, where the electronic device in this embodiment includes a front shell 50, a rear cover 60, and the aforementioned camera assembly; the front shell 50 and the rear cover 60 are connected and enclosed to form an accommodating cavity 56, and the camera assembly is arranged in the accommodating cavity 56; specifically, the rear cover 60 is provided with a through hole 61, and the decoration 30 is inserted into the through hole 61; the camera module 20 is fixedly connected to the front case 50.

Specifically, the rear cover 60 is fitted over the main body 31 of the garnish 30 and is attached to the connecting portion 32 on the side adjacent to the protective lens assembly 10.

Further, the electronic device further includes a front shell support 70, the front shell support 70 is provided with a mounting groove 71, the camera module 20 is fixedly disposed in the mounting groove 71, and the front shell support 70 is fixedly connected to the front shell 50.

Specifically, the front case bracket 70 has one end connected to the connection part 32 of the garnish 30 and the other end connected to the front case 50.

Further, in some other embodiments, the electronic device further includes a pressing plate 80, specifically, the pressing plate 80 is sleeved on the main body portion 31 of the decoration 30, and the pressing plate 80 is fixedly connected to a side of the connecting portion 32 of the decoration 30 away from the camera module 20, so as to limit the movement of the decoration 30 in the axial direction of the decoration 30. The surface of the pressing plate 80 departing from the camera module 20 is fixedly connected with the rear cover 60. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

The embodiment of the application provides an electronic equipment, in its camera module structure, through specifically range upon range of on first lens 11 for blue glass lens with second lens 12, no longer need set up the support of the blue glass lens of solitary installation, can realize reducing camera subassembly occupation space, and then reduce the size of the space that electronic equipment occupied.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A camera assembly is characterized by comprising a camera module, a decoration part and a protection lens assembly, wherein the protection lens assembly comprises a first lens and a second lens which are arranged in a stacked mode, the first lens is a colorless transparent lens, the second lens is a blue glass lens, the area of the first lens is larger than that of the second lens, a sinking groove is formed in the first lens, and at least part of the second lens is embedded in the sinking groove; the decorating part and the shell of the camera module are of an integral structure and are arranged corresponding to the lens of the camera module, the protective lens component is covered on the lens of the camera module, and the distance between the second lens and the lens of the camera module is larger than the distance between the first lens and the lens of the camera module;

the decoration piece comprises a main body part, a connecting part and a bearing part, wherein the connecting part and the bearing part are respectively connected with the main body part, and the connecting part is used for being connected with the camera module; the bearing part is connected with the protective lens component; the bearing part is connected with the inner side wall of the main body part and extends towards the central axis direction of the cylindrical main body part; the bearing part and the end part of the main body part form an annular step groove, the thickness of the protection lens assembly is smaller than the depth of the annular step groove, the protection lens assembly is completely arranged in the annular step groove, and then the protection effect of the end part of the main body part on the protection lens assembly is achieved.

2. The camera assembly of claim 1, wherein the depth of the counter sink is greater than or equal to the thickness of the second lens, the second lens being fully embedded in the counter sink.

3. The camera assembly of claim 1, wherein a seal is sandwiched between the connecting portion and the camera module.

4. An electronic device comprising a front housing, a rear cover, and the camera assembly of any of claims 1-3; the front shell and the rear cover are connected and enclosed to form an accommodating cavity, and the camera assembly is arranged in the accommodating cavity; the rear cover is provided with a through hole, and the decorating part is inserted into the through hole; the camera module is fixedly connected with the front shell.

5. The electronic device according to claim 4, further comprising a front housing support, wherein the front housing support is provided with a mounting groove, the camera module is fixedly arranged in the mounting groove, and the front housing support is fixedly connected with the front housing.