CN108519657A - A kind of camera lens module and mobile terminal - Google Patents
A kind of camera lens module and mobile terminal Download PDFInfo
- Publication number
- CN108519657A CN108519657A CN201810337791.5A CN201810337791A CN108519657A CN 108519657 A CN108519657 A CN 108519657A CN 201810337791 A CN201810337791 A CN 201810337791A CN 108519657 A CN108519657 A CN 108519657A
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- light
- lens module
- electrochromic film
- transmitting
- electrode pin
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0075—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having an element with variable optical properties
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Diaphragms For Cameras (AREA)
Abstract
本发明提供一种镜头模组及移动终端，其中，镜头模组包括光阑，光阑具有通光区域，通光区域包括中心区和围绕中心区的边缘区；光阑包括一透光基底，在透光基体上的对应边缘区的位置设有电致变色膜；镜头模组包括电压施加元件，电压施加元件与电致变色膜电连接，电压施加元件用于控制电致变色膜的透光率变化。本发明利用镜头模组本身的光阑，通过在光阑的光阑面上设置电致变色膜，并通过对电致变色膜施加电压来改变电致变色膜的透光率，实现光阑的通光区域可变，从而能够实现对镜头模组的光圈的调节，进而能够提高镜头模组的摄像灵活性。
The present invention provides a lens module and a mobile terminal, wherein the lens module includes a diaphragm, and the diaphragm has a light-passing area, and the light-passing area includes a central area and an edge area surrounding the central area; the diaphragm includes a light-transmitting base, An electrochromic film is provided at the position corresponding to the edge area on the light-transmitting substrate; the lens module includes a voltage applying element, the voltage applying element is electrically connected with the electrochromic film, and the voltage applying element is used to control the light transmission of the electrochromic film rate changes. The present invention utilizes the aperture of the lens module itself, by arranging an electrochromic film on the aperture surface of the aperture, and applying a voltage to the electrochromic film to change the light transmittance of the electrochromic film, so as to realize the The light-transmitting area is variable, so that the aperture of the lens module can be adjusted, and the camera flexibility of the lens module can be improved.
Description
Technical Field
The invention relates to the technical field of photographing equipment, in particular to a lens module and a mobile terminal.
Background
With the technical development of mobile terminals such as mobile phones and tablets, most mobile terminals are provided with lens modules. The lens module can be divided into an aperture-fixed type and an aperture-adjustable type. For the lens module with an adjustable aperture, an aperture adjusting device with a complex structure is usually required to be arranged, and the requirements on the manufacturing and assembling processes are high. For the lens module with the fixed diaphragm, the lens module with the fixed diaphragm is generally adopted by the mobile terminal because the lens module has the advantage of simple structure.
The lens module with fixed diaphragm has limited shooting flexibility due to the inability to freely adjust the diaphragm. For example, for a large-aperture lens, under an environment with good illumination conditions, the imaging effect is inferior to that of a small-aperture lens; for a lens with a small aperture, the light input quantity cannot meet the shooting requirement under the environment with poor illumination conditions, so that the imaging effect of the lens can be influenced.
It is thus clear that the problem of the prior art that the flexibility of making a video recording is poor due to the adoption of the diaphragm-fixed lens module is solved.
Disclosure of Invention
The embodiment of the invention provides a lens module and a mobile terminal, and aims to solve the problem of poor shooting flexibility caused by the adoption of a diaphragm-fixed lens module in the prior art.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a lens module, including:
the lens module comprises a diaphragm, wherein the diaphragm is provided with a light-transmitting area, and the light-transmitting area comprises a central area and an edge area surrounding the central area;
the diaphragm comprises a light-transmitting substrate, and an electrochromic film is arranged on the light-transmitting substrate at a position corresponding to the edge region;
the lens module comprises a voltage applying element, the voltage applying element is electrically connected with the electrochromic film, and the voltage applying element is used for controlling the light transmittance change of the electrochromic film.
In a second aspect, an embodiment of the present invention provides a mobile terminal, including the lens module according to any one of the first aspects.
In the embodiment of the invention, the diaphragm of the lens module is utilized, the light transmittance of the electrochromic film is changed by arranging the electrochromic film on the diaphragm surface of the diaphragm and applying voltage to the electrochromic film, so that the light transmission area of the diaphragm is variable, the aperture of the lens module can be adjusted, and the shooting flexibility of the lens module can be improved.
Drawings
FIG. 1 is a schematic view of a light-passing area of a diaphragm of a lens module;
FIG. 2 is a schematic diagram of a diaphragm of a lens module provided with an electrochromic film;
FIG. 3 is a schematic diagram of an electrochromic film when energized;
fig. 4 is a schematic view of an aperture stop sheet forming stop of the lens module;
FIG. 5 is a schematic view of an electrochromic film arrangement;
FIG. 6 is a schematic view of another electrochromic film arrangement;
fig. 7 is a schematic structural view of the electrode pin disposed on the lens barrel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the invention provides a lens module, which includes a diaphragm 1, the diaphragm 1 has a light-transmitting area 11, the light-transmitting area 11 includes a central area 111 and an edge area 112 surrounding the central area 111; the diaphragm 1 comprises a light-transmitting substrate 12, an electrochromic film 3 is arranged on the light-transmitting substrate 12 at a position corresponding to the edge region 112, and the light transmittance of the electrochromic film 3 can be changed so as to change the light-transmitting region 11; the lens module includes a voltage applying element 4, the voltage applying element 4 is electrically connected to the electrochromic film 3, and the voltage applying element 4 is used to control a change in light transmittance of the electrochromic film 3.
The improvement point of the embodiment of the invention is that by using the diaphragm 1 of the lens module (the diaphragm 1 can be formed by the optical lens of the lens module or the aperture diaphragm of the lens module), the light transmittance of the electrochromic film 3 is changed by arranging the electrochromic film 3 on the diaphragm surface (namely the surface of the light-transmitting substrate 12) of the diaphragm 1 and applying voltage to the electrochromic film 3 (applying voltage to the electrochromic film 3 by the voltage applying element 4), so as to realize the aperture adjustment of the lens module.
When the device is used, a user can flexibly select two shooting modes of a large aperture and a small aperture according to shooting requirements. For example, in an environment with good lighting conditions, a user may apply a voltage to the electrochromic film 3 in a certain manner (e.g., inputting an aperture adjustment trigger instruction, pressing an aperture adjustment button, etc.), so that the color of the electrochromic film 3 is darkened under the action of an electric field, thereby obtaining a smaller lens module aperture; in an environment with poor lighting conditions, a user may turn off the voltage applied to the electrochromic film 3 in some manner (e.g., inputting a trigger command for adjusting the aperture, pressing an aperture adjustment button, etc.), so as to lighten the color of the electrochromic film 3, thereby obtaining a larger lens module aperture. Therefore, the embodiment of the invention can improve the shooting flexibility of the lens module.
The diaphragm is an object that has a limiting effect on light beams in an optical system, and the effect of the diaphragm can be divided into two aspects, namely limiting the light beams or limiting the size of a field of view (or an imaging range). The diaphragm may be an edge of an optical lens, a frame of an optical lens, a barrel or an aperture diaphragm, or the like. The diaphragm has a light-passing area, which is a property of the diaphragm itself, and any diaphragm has a light-passing area.
Among them, the electrochromic film refers to a film having an Electrochromic (EC) characteristic, and the electrochromic is a phenomenon in which a material reversibly changes its color under the action of an external electric field (an external electric field may be formed by a voltage applying element). Many transition metal oxides have electrochromic properties, such as tungsten w (tungsten), molybdenum mo (molybdenum), vanadium v (vanadium), niobium nb (niobium), titanium ti (titanium), iridium ir (iridium), rhodium rh (rhodon), nickel ni (nickel), or cobalt co (cobalt), and in one embodiment, tungsten trioxide WO3 is used as one of the electrochromic films.
In the embodiment of the present invention, the light passing region 11 of the diaphragm 1 includes a central region 111 and an edge region 112 surrounding the central region 111, and the diaphragm 1 includes a light-transmissive substrate 12, where the light-transmissive substrate 12 is disposed at least corresponding to the edge region 112 of the light passing region 11, so that the electrochromic film 3 can be disposed on the light-transmissive substrate 12 at a position corresponding to the edge region 112.
Here, the central region 111 and the edge region 112 are not two regions that are physically actually present, and the central region 111 and the edge region 112 may be regarded as two assumed regions introduced for convenience of explaining the manner in which the electrochromic film 3 is disposed. That is, the region where the electrochromic film 3 is located may be understood as the edge region 112, and the central region surrounded by the electrochromic film 3 may be understood as the central region 111.
In one embodiment, as shown in fig. 2, the electrochromic film 3 may include an electrochromic layer 31, an ion conductive layer 32, and an ion storage layer 33, which are sequentially disposed. Wherein:
and an electrochromic layer 31 formed of an electrochromic material. When the electrochromic film 3 is electrified, the layer absorbs ions to darken the color and reduce the light transmittance, so that the function of blocking light is realized; when the electrochromic film 3 is not electrified, the layer is light in color or transparent, has high light transmittance and can pass light.
Ion conducting layer 32 for conducting ions.
And an ion storage layer 33 for storing ions. When the electrochromic film 3 is energized, ions stored inside the ion storage 33 move to the electrochromic layer 31, and are absorbed by the electrochromic layer 31 to realize the color change of the electrochromic layer 31.
In one embodiment, the diaphragm of the lens module is formed by optical lenses of the lens module, and lens bodies of the optical lenses form a light-transmitting substrate of the diaphragm.
In one embodiment, as shown in fig. 4, the aperture of the lens module is formed by an aperture diaphragm 5 of the lens module, the aperture diaphragm 5 includes a light-shielding body 51, a light-passing hole 52 is formed in the middle of the light-shielding body 51, and the light-passing hole 52 forms a light-passing area of the aperture; the light-transmitting substrate 12 of the aperture plate 5 is disposed in the light-transmitting hole 52. Where a in fig. 4 corresponds to the aperture of the original clear hole 52 of the aperture diaphragm 5, and B in fig. 4 corresponds to the clear aperture formed by the electrochromic film 3 after energization.
Here, the light-transmitting substrate 12 of the aperture diaphragm 5 may be disposed in a ring shape along the edge of the light-passing hole 52; the light-transmitting substrate 12 of the aperture diaphragm 5 may also be distributed over the entire light-transmitting aperture 52; the embodiment of the present invention is not limited thereto.
In one embodiment, as shown in fig. 5 to 7, the voltage applying element 4 includes a first electrode pin 41 and a second electrode pin 42, and the first electrode pin 41 and the second electrode pin 42 are electrically connected to the electrochromic film 3, respectively. In the embodiment of the present invention, the voltage applying element 4 is not limited to the electrode pin, and for example, a wire may be used as the voltage applying element 4. By using the electrode pins as the voltage application elements 4, the stability of the electrical connection between the voltage application elements 4 and the electrochromic film 3 can be improved.
In one embodiment, in order to protect the electrochromic layer 31 and the ion storage 33, a light-transmitting conductive layer 34 may be disposed on the electrochromic layer 31 and the ion storage 33, respectively.
In one embodiment, as shown in fig. 5, the electrochromic film 3 includes a first light-transmissive conductive layer 341, an ion storage layer 33, an ion conductive layer 32, an electrochromic layer 31, and a second light-transmissive conductive layer 342 sequentially disposed on a light-transmissive substrate 12; the first electrode pin 41 is electrically connected to the first transparent conductive layer 341, and the second electrode pin 42 is electrically connected to the second transparent conductive layer 342; the first electrode lead 41 is a positive electrode lead, and the second electrode lead 42 is a negative electrode lead.
In one embodiment, as shown in fig. 6, the electrochromic film 3 includes a first light-transmissive conductive layer 341, an electrochromic layer 31, an ion-transmissive layer 32, an ion storage layer 33, and a second light-transmissive conductive layer 342, which are sequentially disposed on a light-transmissive substrate 12; the first electrode pin 41 is electrically connected to the first transparent conductive layer 341, and the second electrode pin 42 is electrically connected to the second transparent conductive layer 342; the first electrode lead 41 is a negative electrode lead, and the second electrode lead 42 is a positive electrode lead.
In one embodiment, the layers of the electrochromic film 3 may be sequentially plated on the light-transmissive substrate 12 by a deposition method to form the electrochromic film 3; in one embodiment, the layers of the electrochromic film 3 may be sequentially coated on the light-transmissive substrate 12 by a coating method to form the electrochromic film 3. The embodiment of the present invention is not limited thereto.
In one embodiment, the first transparent conductive layer 341 includes a first region (not shown) and a second region 3411, the other layers of the electrochromic film 3 except the first transparent conductive layer 341 are disposed in the first region, the second region 3411 is an exposed region not covered by the other layers of the electrochromic film 3 except the first transparent conductive layer 341, a first conductive adhesive layer 6 is disposed in the second region 3411, a second conductive adhesive layer 7 is disposed on the second transparent conductive layer 342, the first electrode pin 41 is electrically connected to the first transparent conductive layer 341 through the first conductive adhesive layer 6, and the second electrode pin 42 is electrically connected to the second transparent conductive layer 342 through the second conductive adhesive layer 7.
In this embodiment, the electrode pins are electrically connected to the electrochromic film 3 through the conductive adhesive layer, so that the stability of the electrical connection between the electrode pins and the electrochromic film 3 can be improved.
In the embodiment of the present invention, the thicknesses of the first conductive adhesive layer 6 and the second conductive adhesive layer 7 should be adapted to the installation heights of the first electrode lead 41 and the second electrode lead 42. When the first electrode leads 41 and the second electrode leads 42 are disposed at the same height, the thickness of the first conductive adhesive layer 6 should be greater than that of the second conductive adhesive layer 7.
In one embodiment, the first conductive adhesive layer 6 and the second conductive adhesive layer 7 are both conductive double-sided adhesive tapes.
In one embodiment, as shown in fig. 7, the lens module further includes a lens barrel 8; the first electrode pin 41 and the second electrode pin 42 are embedded on the lens barrel 8.
In this embodiment, the first electrode pin 41 and the second electrode pin 42 are embedded in the lens barrel 8, so that the first electrode pin 41 and the second electrode pin 42 are integrated with the lens barrel 8, and the reliability and consistency are better.
In one embodiment, the first electrode pin 41 and the second electrode pin 42 are both injection molded on the lens barrel 8. In this way, stability between the first and second electrode pins 41 and 42 and the lens barrel 8 can be improved.
It should be noted that, in the prior art, the aperture of the lens module can be adjusted by setting the aperture adjusting device with a complicated structure, which not only has a complicated structure, but also has poor assembly reliability due to the high requirement of the optical system on mechanical precision. In the embodiment of the invention, the variable diaphragms of the lens module are all arranged in the conventional diaphragm-fixed lens module, and the assembly can be realized through the conventional lens assembly manufacturing process, so that the structure is simple, and the assembly reliability is higher.
In addition, the aperture of the lens module can be adjusted by arranging the aperture adjusting device with a complex structure, so that the whole thickness of the lens module is influenced due to the fact that the whole lens module is thick. In the embodiment of the invention, the variable diaphragms of the lens module are all arranged in the conventional diaphragm-fixed lens module, and the thicknesses of the electrochromic film and the electrode pins are far smaller than the thickness of the lens, so that the whole thickness of the lens module is hardly increased. Therefore, the lens module provided by the embodiment of the invention is suitable for mobile terminals such as mobile phones and flat panels.
The embodiment of the invention also relates to a mobile terminal which comprises any one of the lens modules in the embodiment. Other descriptions in the embodiments of the present invention can refer to the related descriptions above, and the same beneficial effects can be achieved, so that repeated descriptions are not repeated.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810337791.5A CN108519657A (en) | 2018-04-16 | 2018-04-16 | A kind of camera lens module and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810337791.5A CN108519657A (en) | 2018-04-16 | 2018-04-16 | A kind of camera lens module and mobile terminal |
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| CN108519657A true CN108519657A (en) | 2018-09-11 |
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| CN201810337791.5A Pending CN108519657A (en) | 2018-04-16 | 2018-04-16 | A kind of camera lens module and mobile terminal |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109462675A (en) * | 2018-12-28 | 2019-03-12 | Oppo广东移动通信有限公司 | shell assembly and mobile terminal |
| CN109495622A (en) * | 2018-12-28 | 2019-03-19 | Oppo广东移动通信有限公司 | Protection cover plate, shell assembly and mobile terminal |
| CN109819149A (en) * | 2019-02-13 | 2019-05-28 | Oppo广东移动通信有限公司 | Camera module and mobile terminal |
| CN110161769A (en) * | 2019-05-20 | 2019-08-23 | Oppo广东移动通信有限公司 | Aperture structure, camera and electronic device |
| CN110727102A (en) * | 2019-10-21 | 2020-01-24 | Oppo广东移动通信有限公司 | Lens module, imaging device and terminal |
| CN110784632A (en) * | 2019-11-12 | 2020-02-11 | Oppo广东移动通信有限公司 | Cameras and Electronics |
| CN110794634A (en) * | 2019-11-12 | 2020-02-14 | Oppo广东移动通信有限公司 | Aperture structure, camera and electronic device |
| CN110830697A (en) * | 2019-11-27 | 2020-02-21 | Oppo广东移动通信有限公司 | Control method, electronic device and storage medium |
| CN111399312A (en) * | 2020-04-30 | 2020-07-10 | 维沃移动通信有限公司 | Camera modules and electronic equipment |
| CN111505834A (en) * | 2020-03-06 | 2020-08-07 | Oppo广东移动通信有限公司 | Focusing device and focusing method |
| WO2020192434A1 (en) * | 2019-03-28 | 2020-10-01 | 宁波舜宇光电信息有限公司 | Terminal device, and display screen and application thereof |
| CN112019717A (en) * | 2020-08-19 | 2020-12-01 | 福建华佳彩有限公司 | A high-definition display panel compatible with under-screen camera modules |
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| CN112445039A (en) * | 2020-12-10 | 2021-03-05 | 江西晶润光学有限公司 | Lens barrel assembly, lens, camera module and electronic equipment |
| WO2021057624A1 (en) * | 2019-09-27 | 2021-04-01 | Oppo广东移动通信有限公司 | Electronic apparatus, camera module, electrochromic component, and manufacturing method for same |
| WO2021104426A1 (en) | 2019-11-29 | 2021-06-03 | 深圳市光羿科技有限公司 | Electrochromic aperture and manufacturing method therefor, and lens module having electrochromic aperture |
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| CN113596293A (en) * | 2021-07-08 | 2021-11-02 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN115808829A (en) * | 2021-09-13 | 2023-03-17 | 荣耀终端有限公司 | Aperture, aperture adjustment method, lens system, photographing device and mobile device |
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| CN109819149A (en) * | 2019-02-13 | 2019-05-28 | Oppo广东移动通信有限公司 | Camera module and mobile terminal |
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| CN110727102B (en) * | 2019-10-21 | 2022-03-22 | Oppo广东移动通信有限公司 | Lens module, imaging device and terminal |
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| JP2023507253A (en) * | 2019-11-29 | 2023-02-22 | 深▲セン▼市光▲ゲイ▼科技有限公司 | Electrochromic diaphragm, manufacturing method thereof, and lens module containing same |
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| KR20220098197A (en) * | 2019-11-29 | 2022-07-11 | 션쩐 광이 테크 씨오., 엘티디. | Electrochromic aperture, manufacturing method thereof, and lens module including same |
| JP2024020337A (en) * | 2019-11-29 | 2024-02-14 | 深▲セン▼市光▲ゲイ▼科技有限公司 | Electrochromic aperture, method of manufacturing it, and lens module containing it |
| CN111505834A (en) * | 2020-03-06 | 2020-08-07 | Oppo广东移动通信有限公司 | Focusing device and focusing method |
| CN111399312A (en) * | 2020-04-30 | 2020-07-10 | 维沃移动通信有限公司 | Camera modules and electronic equipment |
| CN112019717A (en) * | 2020-08-19 | 2020-12-01 | 福建华佳彩有限公司 | A high-definition display panel compatible with under-screen camera modules |
| CN112445039A (en) * | 2020-12-10 | 2021-03-05 | 江西晶润光学有限公司 | Lens barrel assembly, lens, camera module and electronic equipment |
| CN113359365A (en) * | 2021-07-02 | 2021-09-07 | 业成科技（成都）有限公司 | Optical lens, manufacturing method thereof, imaging device and electronic device |
| CN113596293A (en) * | 2021-07-08 | 2021-11-02 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN115808829A (en) * | 2021-09-13 | 2023-03-17 | 荣耀终端有限公司 | Aperture, aperture adjustment method, lens system, photographing device and mobile device |
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Application publication date: 20180911 |