CN110989056B

CN110989056B - Extrusion type liquid lens and lens module

Info

Publication number: CN110989056B
Application number: CN201911167902.3A
Authority: CN
Inventors: 陈伟
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2021-06-15
Anticipated expiration: 2039-11-25
Also published as: CN110989056A

Abstract

The application provides an extrusion type liquid lens and a lens module. The extrusion formula liquid lens that this application embodiment provided is through setting up a plurality of first printing opacity rings to set up on each first printing opacity ring and be used for under the circumstances of circular telegram by magnetic field drive and the first printing opacity coil that removes, set up first transparent shell fragment simultaneously and support first printing opacity coil. When the extrusion type liquid lens is placed in a set magnetic field, the first light-transmitting coils are respectively electrified, so that an induction magnetic field is generated on each first light-transmitting coil, and the induction magnetic field and the set magnetic field act to drive the corresponding first light-transmitting coil to move so as to drive the corresponding position of the first light-transmitting diaphragm to move; the moving position of the corresponding first light-transmitting ring can be controlled by controlling the magnitude and the direction of the current in each first light-transmitting coil, and then the shape of the first light-transmitting diaphragm plate is adjusted, so that a spherical lens or an aspheric lens can be formed.

Description

Extrusion type liquid lens and lens module

Technical Field

The application belongs to the field of liquid lenses, and particularly relates to an extrusion type liquid lens and a lens module.

Background

The size of a lens module in a mobile terminal such as a smart phone is generally small. In order to adapt to zooming of a small-sized lens module, it is proposed to use a liquid lens as a lens in the lens module, and change the focal length of the lens module by changing the curvature of the liquid lens to realize zooming. Extrusion formula liquid lens generally is to fill printing opacity liquid in the printing opacity cavity to make the one end of cavity be flexible printing opacity membrane, and set up the extrusion ring, extrude flexible printing opacity membrane through the extrusion ring, through the shape that changes flexible printing opacity membrane in the extrusion ring, with the non-light tight camber of change liquid. However, such liquid lenses generally can only form spherical lenses, but cannot form aspherical lenses, and are difficult to change to meet the requirements of lens design.

Disclosure of Invention

An object of the embodiments of the present application is to provide a squeeze liquid lens to solve a problem that a squeeze liquid lens existing in the related art can only form a spherical lens.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: the utility model provides an extrusion formula liquid lens, including the box dam, the closing cap in the first printing opacity diaphragm of box dam one end and the closing cap in the second printing opacity diaphragm of the box dam other end, the box dam first printing opacity diaphragm reaches the cavity is enclosed into to the second printing opacity diaphragm, it has printing opacity liquid to fill in the cavity, first printing opacity diaphragm is the flexible film, be equipped with a plurality of first printing opacity rings of concentric setting on the first printing opacity diaphragm, each be equipped with respectively on the first printing opacity ring and be used for under the circumstances of circular telegram by the first printing opacity coil that magnetic field drive and remove, extrusion formula liquid lens still includes that elastic support is each first transparent shell fragment of first printing opacity ring, first transparent shell fragment with each first printing opacity ring links to each.

In one embodiment, the first transparent elastic sheet is provided with first light-transmitting leads respectively leading out two ends of each first light-transmitting coil.

In one embodiment, the first transparent elastic sheet comprises first supporting sheets and first supporting rings, wherein the first supporting sheets extend outwards from the first light-transmitting rings respectively, and the first supporting rings are connected with the first supporting sheets.

In one embodiment, each of the first support sheets has an arc shape or an S shape.

In one embodiment, a plurality of first support pieces are connected to each first light-transmitting ring.

In one embodiment, the first transparent elastic sheet further includes first connection rings respectively connected to the second light-transmitting rings, and each of the first support sheets is fixedly connected to the corresponding first connection ring.

In one embodiment, the squeeze liquid lens further comprises a support frame supporting the first transparent dome.

In one embodiment, a conductive coil is disposed in the dam.

In one embodiment, the squeeze liquid lens further comprises a magnetic field generator for generating a magnetic field, the magnetic field generator is annular, and each first light-transmitting ring is located in the magnetic field generator.

In one embodiment, the magnetic field generator is an excitation coil or a permanent magnet.

In one embodiment, the dam constitutes the magnetic field generator; or the magnetic field generating body is fixedly connected with the box dam.

In one embodiment, the magnetic field generator is spaced from the dam.

In one embodiment, the dam is connected to the magnetic field generator by a resilient member.

In one embodiment, the second light-transmitting diaphragm is a flexible film, a plurality of second light-transmitting rings are concentrically arranged on the second light-transmitting diaphragm, a second light-transmitting coil driven by a magnetic field to move under the condition of power-on is respectively arranged on each second light-transmitting ring, the extrusion type liquid lens further comprises a second transparent elastic sheet elastically supporting each second light-transmitting ring, and the second transparent elastic sheet is connected with each second light-transmitting ring.

In one embodiment, the second transparent elastic sheet is provided with second light-transmitting leads respectively leading out two ends of each second light-transmitting coil.

In one embodiment, the second light-transmitting diaphragm is a flexible film, a plurality of first transparent rings are concentrically arranged on the second light-transmitting diaphragm, and a first transparent coil driven by a magnetic field to move under the condition of power on is respectively arranged on each first transparent ring.

In one embodiment, the second transparent film is provided with first transparent leads for respectively leading out two ends of each first transparent coil.

In one embodiment, the second transparent film plate is a flexible film, a plurality of second transparent rings are concentrically arranged on the second transparent film plate, a second transparent coil driven by a magnetic field to move under the condition of power-on is respectively arranged on each second transparent ring, a plurality of guide rods are arranged on each second transparent ring, and the extrusion type liquid lens further comprises a transparent plate, wherein through holes for the guide rods to be inserted are respectively formed in the transparent plate.

In one embodiment, at least one of the guide rods on each of the second transparent rings is provided with a first electrode connected to two ends of a corresponding second transparent coil on the second transparent ring, a second electrode matched with each of the first electrodes is disposed in the corresponding through hole on the transparent plate, and a second transparent lead connected to each of the second electrodes is disposed on the transparent plate.

Another objective of the embodiments of the present application is to provide a lens module, which includes a bracket, an image sensor mounted on the bracket, and a lens assembly mounted in the bracket, wherein the lens module further includes the extruded liquid lens as described in any of the above embodiments.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

according to the extrusion type liquid lens provided by the embodiment of the application, the plurality of first light transmission rings are arranged, the first light transmission coils are arranged on the first light transmission rings, and the first transparent elastic sheets are arranged at the same time, when the extrusion type liquid lens is placed in the set magnetic field, the first light transmission coils are respectively electrified, so that the first light transmission coils generate induction magnetic fields, and the induction magnetic fields and the set magnetic fields act to drive the corresponding first light transmission coils to move so as to drive the corresponding positions of the first light transmission diaphragm to move; the moving position of the corresponding first light-transmitting ring can be controlled by controlling the magnitude and the direction of the current in each first light-transmitting coil, and then the shape of the first light-transmitting diaphragm plate is adjusted, so that a spherical lens or an aspheric lens can be formed.

The lens module that this application embodiment provided has used above-mentioned extrusion formula liquid lens, can make extrusion formula liquid lens form corresponding spherical lens or aspheric surface lens as required to focusing that can be better, in order to improve imaging quality.

Drawings

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

Fig. 1 is a schematic top view of a squeeze liquid lens provided in an embodiment of the present application;

fig. 2 is a schematic cross-sectional structural view of an extruded liquid lens provided in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of the extruded liquid lens of FIG. 2 formed into an aspheric lens;

FIG. 4 is a schematic cross-sectional view of the extruded liquid lens of FIG. 2 formed into a spherical lens;

fig. 5 is a schematic top view of the extruded liquid lens shown in fig. 1, in which the first transparent elastic sheet and the first transparent rings are combined.

Fig. 6 is a schematic cross-sectional structural view of an extruded liquid lens provided in embodiment two of the present application.

Fig. 7 is a schematic cross-sectional structural view of an extruded liquid lens provided in the third embodiment of the present application.

Fig. 8 is a schematic cross-sectional structural view of an extruded liquid lens provided in the fourth embodiment of the present application.

Fig. 9 is a schematic cross-sectional structural view of an extruded liquid lens provided in example five of the present application.

Fig. 10 is a schematic cross-sectional structural view of an extruded liquid lens provided in embodiment six of the present application.

Fig. 11 is a schematic cross-sectional view of a squeeze liquid lens provided in a seventh embodiment of the present application;

fig. 12 is a schematic top view of the second transparent film plate and the first transparent ring in the squeeze liquid lens shown in fig. 11.

Fig. 13 is a schematic cross-sectional view of an extruded liquid lens provided in an eighth embodiment of the present application;

fig. 14 is a schematic top view of a light-transmitting plate and a second transparent ring of the squeeze liquid lens shown in fig. 13.

Fig. 15 is a schematic structural diagram of a first lens module according to an embodiment of the present disclosure.

Fig. 16 is a schematic structural diagram of a second lens module according to an embodiment of the present disclosure.

Fig. 17 is a schematic structural diagram of a third lens module according to an embodiment of the present application.

Fig. 18 is a schematic structural diagram of a fourth lens module according to an embodiment of the present application.

Fig. 19 is a schematic structural diagram of a fifth lens module according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-squeeze liquid lenses; 10-a chamber; 11-a box dam; 111-a conductive coil; 12-a first light-transmitting film plate; 13-a second light-transmitting film plate; 131-a first transparent lead; 132-a first flexible circuit board; 14-a light transmissive liquid; 21-a first light-transmitting ring; 211-a first light transmissive coil; 22-a second light-transmitting ring; 31-a first transparent elastic sheet; 311-a first support sheet; 312-a first support ring; 313-a first connecting ring; 315-first light transmissive lead; 32-a second transparent elastic sheet; 325 — a second light-transmissive lead; 36-a support frame; 41-a first transparent ring; 411-a first transparent coil; 42-a second transparent ring; 421-a second transparent coil; 43-a guide bar; 431-a first electrode; 44-a transparent plate; 441-through hole; 442-a second electrode; 443-second transparent lead; 45-a second flexible circuit board; 51-a magnetic field generator; 511-an elastic member;

200-a lens module; 201-a scaffold; 202-an image sensor; 203-lens assembly; 204-a filter; 205-a prism; 206-antireflection coating; 207-infrared filter coating.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, 2 and 5, a squeeze liquid lens 100 provided by the present application will now be described. The extrusion type liquid lens 100 comprises a dam 11, a first light-transmitting film plate 12 and a second light-transmitting film plate 13; the first light-transmitting film plate 12 is sealed at one end of the dam 11, the second light-transmitting film plate 13 is sealed at the other end of the dam 11, the first light-transmitting film plate 12 and the second light-transmitting film plate 13 surround the chamber 10, and the chamber 10 is filled with light-transmitting liquid 14, so that light can pass through the chamber 10. First printing opacity lamina membranacea 12 is the flexiplast, is equipped with a plurality of first printing opacity rings 21 on the first printing opacity lamina membranacea 12, and a plurality of first printing opacity rings 21 set up with one heart, and in two adjacent first printing opacity rings 21 promptly, the first printing opacity ring 21 that the diameter is less is arranged in the great first printing opacity ring 21 of diameter, and the axis coincidence of a plurality of first printing opacity rings 21. Each first light-transmitting ring 21 is provided with a first light-transmitting coil 211, so that when the first light-transmitting coil 211 is energized, an induction magnetic field can be generated, and the first light-transmitting coil 211 can be driven to move by an external set magnetic field, so that the first light-transmitting ring 21 can move. The squeeze liquid lens 100 further includes a first transparent elastic sheet 31, and the first transparent elastic sheet 31 is connected to each first light-transmitting ring 21, so that each first light-transmitting ring 21 is elastically supported by the first transparent elastic sheet 31.

Referring to fig. 3, the extrusion type liquid lens 100 is placed in a set magnetic field, and the magnitude and direction of the current in each first light-transmitting coil 211 are changed by electrifying each first light-transmitting coil 211, so as to change the position of each first light-transmitting ring 21, and further drive the corresponding position of the first light-transmitting film plate 12 to move, thereby forming an aspheric lens. Referring to fig. 4, of course, by controlling the current in each first light-transmitting coil 211, the squeeze liquid lens 100 can also be formed into a spherical lens. Therefore, the extrusion type liquid lens 100 can better meet the requirements of zooming and focusing and improve the imaging quality. Of course, the moving stroke of each first translucent ring 21 can be controlled by controlling the magnitude of the set magnetic field intensity during use.

The extrusion type liquid lens 100 provided by the embodiment of the application is provided with a plurality of first light transmission rings 21, a first light transmission coil 211 is arranged on each first light transmission ring 21, and a first transparent elastic sheet 31 is arranged at the same time. When the extrusion type liquid lens 100 is placed in a set magnetic field, the first light-transmitting coils 211 are respectively electrified, so that an induction magnetic field is generated on each first light-transmitting coil 211, and the induction magnetic field and the set magnetic field act to drive the corresponding first light-transmitting coil 211 to move so as to drive the corresponding position of the first light-transmitting diaphragm 12 to move; by controlling the magnitude and direction of the current in each first light-transmitting coil 211, the moving position of the corresponding first light-transmitting ring 21 can be controlled, and the shape of the first light-transmitting film plate 12 can be adjusted, so that a spherical lens or an aspheric lens can be formed.

In an embodiment, referring to fig. 1, fig. 2 and fig. 5, the first transparent elastic sheet 31 is provided with first transparent leads 315 respectively leading out two ends of each first transparent coil 211, that is, the first transparent elastic sheet 31 is provided with a plurality of first transparent leads 315, and the first transparent leads 315 respectively lead out two ends of each first transparent coil 211 so as to be externally connected with a power supply, thereby powering on each first transparent coil 211.

The first transparent elastic sheet 31 is used to support each first light-transmitting ring 21, and the first light-transmitting lead 315 is disposed in each first transparent elastic sheet 31 for facilitating the processing, and during the manufacturing, the first transparent elastic sheet 31 and each first light-transmitting ring 21 can be assembled with the first light-transmitting diaphragm 12 after being manufactured, so as to facilitate the processing.

In some embodiments, transparent leads may also be disposed on the first transparent film 12, and respectively connected to each of the first transparent coils 211, so as to supply power to each of the first transparent coils 211. In some embodiments, transparent leads may also be provided separately to energize each first light-transmissive coil 211.

In an embodiment, referring to fig. 1, fig. 2 and fig. 5, the first transparent coil 211 can be made of a graphene material, and not only can transmit light well, but also can adapt to a larger current, so as to generate a larger induced magnetic field. Of course, in some embodiments, the first light-transmitting coil 211 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 1, fig. 2 and fig. 5, the first light-transmitting lead 315 can be made of graphene material, which not only can transmit light well, but also can accommodate larger current. Of course, in some embodiments, the first light-transmitting wire 315 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, a transparent conductive wire made of a transparent conductive material is wound to form a coil, and the coil is cured by an adhesive to form the first light-transmitting ring 21 and then mounted on the first transparent elastic sheet 31. Transparent conductive wires led out from two ends of the wound coil are fixed on the first transparent elastic sheet 31 to form a first light-transmitting lead 315. So that the first light-transmitting ring 21 can be made smaller and a coil wound with more turns can be formed.

In one embodiment, a transparent ring may be provided, with the coil being fabricated from a transparent conductive material on the ring. The first transparent elastic sheet 31 is made of a transparent conductive material to form a first light-transmitting lead 315, and the first light-transmitting lead 315 is connected to a corresponding coil.

In the above embodiment, the coil can be formed by forming a coating on the ring body using a transparent conductive material, etching the coil, and covering the coil with an insulating layer. Of course, in the above embodiment, a transparent conductive material may be used to form a coating on the insulating layer, and then the coil is etched and covered with the insulating layer, so as to form a multi-layer coil structure on the ring body.

In one embodiment, the first transparent elastic sheet 31 may be made of transparent plastic, transparent film, or the like.

In one embodiment, referring to fig. 1, fig. 2 and fig. 5, the first transparent elastic sheet 31 includes first supporting pieces 311 respectively extending from the first light-transmitting rings 21 and first supporting rings 312 connected to the first supporting pieces 311. The first supporting ring 312 is provided to facilitate mounting and fixing the first transparent elastic sheet 31 and to facilitate connection with an external circuit; and the structure also facilitates the fixed connection of each first supporting piece 311. The first support piece 311 is disposed to facilitate connection of the first light-transmitting rings 21 so as to support the first light-transmitting rings 21.

Of course, in some embodiments, the first transparent elastic sheet 31 may also include only a plurality of first supporting sheets 311, and when in use, the first supporting sheets 311 are directly fixed at an end of the first transparent ring 21 away from the first transparent ring.

In one embodiment, referring to fig. 1, 2 and 5, each first supporting piece 311 and the first supporting ring 312 are integrally formed to facilitate manufacturing. In one embodiment, each of the first support tabs 311 may be fixed to the first support ring 312. The first support ring 312 may also be made of hard material to facilitate installation and fixation.

In an embodiment, referring to fig. 1, fig. 2 and fig. 5, the first transparent elastic sheet 31 further includes first connecting rings 313 respectively connected to the first light-transmitting rings 21, and each of the first supporting sheets 311 is fixedly connected to the corresponding first connecting ring 313. The first connection ring 313 is provided to facilitate mounting and fixing of each first light-transmitting ring 21.

In one embodiment, each first connection ring 313 and each first support sheet 311 are integrally formed, so as to facilitate manufacturing and assembly with each first light-transmitting ring 21.

In one embodiment, referring to fig. 1, 2 and 5, each first supporting piece 311 is arc-shaped, so that the elastic piece supports each first light-transmitting ring 21 and the first light-transmitting ring 21 can move well. In some embodiments, each first support sheet 311 may also be provided in an S-shape. In still other embodiments, each first support sheet 311 may be bent into other shapes.

In one embodiment, referring to fig. 1, 2 and 5, a plurality of first supporting pieces 311 are connected to each first light-transmitting ring 21 to more smoothly support each first light-transmitting ring 21.

In one embodiment, referring to fig. 7, the extruded liquid lens 100 further includes a support frame 36 supporting the first transparent elastic sheet 31, and the support frame 36 is disposed to support the first transparent elastic sheet 31 more conveniently, so as to facilitate assembly of the extruded liquid lens 100.

In one embodiment, a conductive coil 111 may be disposed in the dam 11, and the extruded liquid lens 100 may be placed in a set magnetic field, and when the conductive coil 111 is energized, the dam 11 may be driven to move, thereby better adjusting the shape of the extruded liquid lens 100.

In one embodiment, the dam 11 may also be made of a permanent magnet, so that the extruded liquid lens 100 is placed in a set magnetic field, and when the strength and direction of the set magnetic field are adjusted, the dam 11 may also be driven to move. Of course, in this embodiment, the setting magnetic field may be formed by using an electrified coil, so as to control the strength and direction of the setting magnetic field conveniently.

In one embodiment, referring to fig. 6, the squeeze type liquid lens 100 further includes a magnetic field generator 51, the magnetic field generator 51 is annular, and each first light-transmitting ring 21 is located in the magnetic field generator 51. The magnetic field generator 51 is configured to generate a magnetic field, such that when the first light-transmitting coil 211 in each first light-transmitting ring 21 is energized, the magnetic field generator 51 generates a magnetic field to drive the corresponding first light-transmitting coil 211 to move, so as to drive the corresponding first light-transmitting ring 21 to move. In addition, the magnetic field generator 51 is provided, so that an external setting magnetic field is not required, and the use is convenient.

In one embodiment, referring to fig. 6, the magnetic field generator 51 may be an excitation coil, so that the intensity of the generated magnetic field can be conveniently controlled. In some embodiments, the magnetic field generator 51 may be a permanent magnet to provide a stable magnetic field and reduce power consumption.

In one embodiment, referring to fig. 7, the dam 11 may constitute the magnetic field generator 51, i.e. the magnetic field generator 51 is directly used as the dam 11.

In the above embodiment, when the dam 11 is used as the magnetic field generator 51, the end of the dam 11 protrudes from the first light-transmitting film 12 so that the magnetic field generated by the dam 11 better covers each of the first light-transmitting rings 21.

In one embodiment, referring to fig. 8, the magnetic field generator 51 is fixedly connected to the dam 11, and when in use, the magnetic field generator 51 is directly fixed, that is, the extrusion type liquid lens 100 can be mounted and fixed, so that the use is convenient.

In one embodiment, referring to fig. 6, the magnetic field generator 51 is spaced apart from the enclosure 11, so that the enclosure 11 and the magnetic field generator 51 can be separately mounted and fixed for convenient arrangement.

In one embodiment, referring to fig. 9, the magnetic field generator 51 is spaced from the dam 11, and the dam 11 is connected to the magnetic field generator 51 through the elastic member 511, so that the squeeze-type liquid lens 100 can be fixed by only installing and fixing the magnetic field generator 51, and the relative position between the dam 11 and the magnetic field generator 51 can be ensured.

In the above embodiment, the dam 11 may be made using a magnetic member, or the conductive coil 111 may be made in the dam 11, so that the dam 11 is driven to move by the magnetic field generator 51. Of course, in the above embodiment, if the magnetic field generator 51 is an excitation coil, the dam 11 may be made of a permanent magnet.

In one embodiment, referring to fig. 1 and 2, the second translucent film plate 13 is a rigid plate, so that only the first translucent film plate 12 of the squeeze liquid lens 100 can be adjusted in shape.

In an embodiment, referring to fig. 10, the second transparent film 13 is a flexible film, a plurality of second transparent rings 22 are disposed on the second transparent film 13, and the plurality of second transparent rings 22 are concentrically disposed, that is, in two adjacent second transparent rings 22, the second transparent ring 22 with a smaller diameter is located in the second transparent ring 22 with a larger diameter, and central axes of the plurality of second transparent rings 22 are overlapped. Each second light-transmitting ring 22 is provided with a second light-transmitting coil (not shown), so that when the second light-transmitting coil is powered on, an induced magnetic field can be generated, and the second light-transmitting coil can be driven to move by an external set magnetic field, so that the second light-transmitting ring 22 moves. The squeeze liquid lens 100 further includes a second transparent elastic sheet 32, and the second transparent elastic sheet 32 is connected to each second light-transmitting ring 22, so that each second light-transmitting ring 22 is elastically supported by the second transparent elastic sheet 32. This structure can all set up this extrusion formula liquid lens 100's two sides into aspheric surface structure, can control the shape of first light-transmitting diaphragm 12 and second light-transmitting diaphragm 13 respectively to better as required control this extrusion formula liquid lens 100's shape.

In an embodiment, referring to fig. 10, the second transparent elastic sheet 32 is provided with second transparent leads 325 respectively leading out two ends of each second transparent coil, that is, the second transparent elastic sheet 32 is provided with a plurality of second transparent leads 325, and the second transparent leads 325 respectively lead out two ends of each second transparent coil so as to be externally connected with a power supply, thereby powering on each second transparent coil.

In some embodiments, transparent leads may also be disposed on the second transparent film 13, and respectively connected to the second transparent coils to supply power to the second transparent coils. In some embodiments, transparent leads may also be provided separately to energize each second light-transmissive coil.

The second transparent elastic sheet 32 is used to support each second light-transmitting ring 22, and a second light-transmitting lead 325 is disposed in each second transparent elastic sheet 32 to facilitate the processing, and during the manufacturing, the second transparent elastic sheet 32 and each second light-transmitting ring 22 can be assembled with the second light-transmitting diaphragm 13 after being manufactured, so as to facilitate the processing.

In an embodiment, referring to fig. 10, the second light-transmitting coil may be made of a graphene material, which not only transmits light well, but also can adapt to a larger current, thereby generating a larger induced magnetic field. Of course, in some embodiments, the second light-transmitting coil may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 10, the second light-transmitting lead 325 can be made of graphene material, which not only can transmit light well, but also can accommodate larger current. Of course, in some embodiments, the second light-transmitting wire 325 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, a transparent conductive wire made of a transparent conductive material can be wound to form a coil, and then the coil is cured by an adhesive to form the second light-transmitting ring 22, which is then mounted on the second transparent elastic sheet 32. Transparent conductive wires led out from two ends of the wound coil are fixed on the second transparent elastic sheet 32 to form a second light-transmitting lead 325. So that the second light-transmitting ring 22 can be made smaller and a coil wound with more turns can be formed.

In one embodiment, a transparent ring may be provided, with the coil being fabricated from a transparent conductive material on the ring. The second transparent elastic sheet 32 is provided with a second transparent lead 325 made of a transparent conductive material, and the second transparent lead 325 is connected with the corresponding coil.

In one embodiment, the second transparent elastic sheet 32 can be made of transparent plastic, transparent film, or the like.

In one embodiment, referring to fig. 10, the second transparent elastic sheet 32 includes second supporting sheets (not shown) respectively extending from the second light-transmitting rings 22 and second supporting rings (not shown) connected to the second supporting sheets. A second support ring is arranged to facilitate mounting and fixing of the second transparent elastic sheet 32 and to facilitate connection with an external circuit; meanwhile, the structure is convenient for fixedly connecting the second support sheets. And a second support piece is provided to facilitate connection of each second light-transmissive ring 22 to support each second light-transmissive ring 22.

Of course, in some embodiments, the second transparent elastic sheet 32 may also include only a plurality of second supporting sheets, and when in use, the second supporting sheets are directly fixed at an end of the second supporting sheets away from the second light-transmitting ring 22.

In one embodiment, referring to fig. 10, each of the second support plates and the second support ring are integrally formed to facilitate manufacturing. In one embodiment, each second support tab may be secured to the second support ring. The second support ring can also be made of hard materials so as to be convenient to install and fix.

In one embodiment, referring to fig. 10, the second transparent resilient sheet 32 further includes second connection rings (not shown) respectively connected to the second light-transmitting rings 22, and each second support plate is fixedly connected to a corresponding second connection ring. A second coupling ring is provided to facilitate mounting and securing of each second light-transmitting ring 22.

In one embodiment, the secondary connecting rings are integrally formed with the secondary support plates to facilitate manufacturing and assembly with the secondary light-transmitting rings 22.

In one embodiment, referring to fig. 10, each second supporting piece is arc-shaped, so that the elastic sheet supports each second light-transmitting ring 22, and the second light-transmitting ring 22 can move well. In some embodiments, each second support piece may also be configured to be S-shaped. In still other embodiments, the second support tabs may be bent into other shapes.

In one embodiment, referring to fig. 10, a plurality of second support plates are connected to each second light-transmitting ring 22 to support each second light-transmitting ring 22 more stably.

In an embodiment, referring to fig. 10, the first transparent elastic sheet 31 and the second transparent elastic sheet 32 may also be made in the same structure for easy processing.

In an embodiment, referring to fig. 11 and 12, the second transparent film 13 is a flexible film, a plurality of first transparent rings 41 are disposed on the second transparent film 13, and the plurality of first transparent rings 41 are concentrically disposed, that is, in two adjacent first transparent rings 41, the first transparent ring 41 with a smaller diameter is disposed in the first transparent ring 41 with a larger diameter, and central axes of the plurality of first transparent rings 41 are overlapped. Each first transparent ring 41 is provided with a first transparent coil 411 so that when the first transparent coil 411 is energized, an induction magnetic field can be generated, and the first transparent coil 411 can be driven to move by applying a set magnetic field, so that the first transparent ring 41 can be moved. During the use, can all set up this extrusion formula liquid lens 100's two sides into aspheric structure, can control the shape of first light-transmitting diaphragm 12 and second light-transmitting diaphragm 13 respectively to better controlling this extrusion formula liquid lens 100's shape as required.

In an embodiment, referring to fig. 11 and 12, the second transparent film 13 is provided with a plurality of first transparent leads 131, and the first transparent leads 131 respectively lead out two ends of each first transparent coil 411 for external power connection, so as to energize each first transparent coil 411. In some embodiments, transparent leads may also be provided separately to energize each first transparent coil 411.

In an embodiment, referring to fig. 11 and 12, the first transparent coil 411 may be made of a graphene material, which not only can transmit light well, but also can adapt to a larger current, and thus can generate a larger induced magnetic field. Of course, in some embodiments, the first transparent coil 411 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 11 and 12, the first transparent wires 131 can be made of graphene material, which not only can transmit light well, but also can accommodate larger current. Of course, in some embodiments, the first transparent wires 131 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, a transparent conductive wire can be made of a transparent conductive material, wound to form a coil, and cured with an adhesive to form a first transparent ring 41, which is then mounted on the second light-transmitting film plate 13. Transparent conductive wires led out from two ends of the wound coil are fixed on the second light-transmitting diaphragm 13 to form a first transparent lead 131. So that the first transparent ring 41 can be made smaller and a coil wound with more turns can be formed.

In one embodiment, a transparent ring may be provided, with the coil being fabricated from a transparent conductive material on the ring. The second transparent film 13 is made of a transparent conductive material to form a first transparent lead 131, and the first transparent lead 131 is connected to the corresponding coil.

In one embodiment, referring to fig. 11 and 12, the second transparent film 13 is connected to a first flexible circuit board 132, and each of the first transparent leads 131 is connected to the first flexible circuit board 132. The first flexible circuit board 132 is provided to be connected to an external circuit, and then each of the first transparent coils 411 is connected to an external circuit, so as to control the squeeze type liquid lens 100 conveniently.

In one embodiment, the first transparent elastic sheet 31 and the second transparent elastic sheet 32 may have the same structure, so as to facilitate processing. In some embodiments, the first transparent elastic sheet 31 and the second transparent elastic sheet 32 can also be manufactured separately.

In an embodiment, referring to fig. 13 and 14, the second transparent film 13 is a flexible film, a plurality of second transparent rings 42 are disposed on the second transparent film 13, and the plurality of second transparent rings 42 are concentrically disposed, that is, in two adjacent second transparent rings 42, the second transparent ring 42 with a smaller diameter is disposed in the second transparent ring 42 with a larger diameter, and central axes of the plurality of second transparent rings 42 are overlapped. Each second transparent ring 42 is provided with a second transparent coil 421 so that when the second transparent coil 421 is energized, an induction magnetic field can be generated, and the second transparent coil 421 can be driven to move by applying a set magnetic field, so that the second transparent ring 42 can be moved. Each second transparent ring 42 is provided with a plurality of guide rods 43, the extrusion type liquid lens 100 further comprises a transparent plate 44, and through holes 441 respectively used for inserting each guide rod 43 are formed in the transparent plate 44, so that each through hole 441 can guide the corresponding guide rod 43 to move. During the use, can all set up this extrusion formula liquid lens 100's two sides into aspheric structure, can control the shape of first light-transmitting diaphragm 12 and second light-transmitting diaphragm 13 respectively to better controlling this extrusion formula liquid lens 100's shape as required.

In one embodiment, referring to fig. 13 and 14, in the plurality of guide rods 43 corresponding to each second transparent ring 42: at least one of the guide rods 43 is provided with first electrodes 431 respectively connected to two ends of the second transparent ring 42 corresponding to the second transparent coils 421, the transparent plate 44 is provided with second electrodes 442 matching with the first electrodes 431 in corresponding through holes 441, and the transparent plate 44 is provided with second transparent leads 443 respectively connected to the second electrodes 442. A second transparent lead 443 is provided on the transparent plate 44 to be connected to an external circuit. The first electrode 431 is disposed on the guide bar 43, and the second electrode 442 is disposed in the corresponding through hole 441, so that when the guide bar 43 is inserted into the corresponding through hole 441, the first electrode 431 and the second electrode 442 may be connected, and the second transparent lead 443 and the corresponding second transparent coil 421 may be electrically connected, so as to connect the second transparent coil 421 with an external circuit.

In one embodiment, two first electrodes 431 may be disposed at intervals on one of the plurality of guide rods 43 corresponding to each of the second transparent coils 421, and two second electrodes 442 may be disposed in the corresponding through holes 441 to be connected to the two second electrodes 442 through the two first electrodes 431, so as to connect both ends of the corresponding second transparent coil 421 to the corresponding second transparent leads 443. In other embodiments, a first electrode 431 may be disposed on each of two guide rods 43 of the plurality of guide rods 43 corresponding to each second transparent coil 421, and a second electrode 442 may be disposed in the corresponding through hole 441, so that two ends of the second transparent coil 421 are connected to the corresponding second transparent leads 443 via the first electrodes 431 on the two guide rods 43, respectively. In still other embodiments, the first electrode 431 may be disposed on several guide rods 43 of the plurality of guide rods 43 corresponding to each second transparent coil 421, and the second electrode 442 may be disposed in the corresponding through hole 331, so as to increase redundancy and ensure that the second transparent coil 421 is well connected to the corresponding second transparent lead 443.

In some embodiments, transparent leads may also be disposed on the second transparent film 13, and respectively connected to the second transparent coils 421 to supply power to the second transparent coils 421. In some embodiments, transparent leads may also be provided separately to energize each second transparent coil 421.

In an embodiment, referring to fig. 13 and 14, the second transparent coil 421 can be made of graphene material, which not only can be transparent well, but also can be adapted to a larger current, and thus can generate a larger induced magnetic field. Of course, in some embodiments, the second transparent coil 421 can also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 13 and 14, the first electrode 431 may be made of a graphene material, which not only has good transparency, but also can be adapted to a larger current, so as to generate a larger induced magnetic field. Of course, in some embodiments, the first electrode 431 may also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 13 and 14, the second transparent wire 443 can be made of graphene material, which can not only be transparent but also accommodate larger current. Of course, in some embodiments, the second transparent wire 443 can also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, referring to fig. 13 and 14, the second electrode 442 can be made of graphene, which is not only transparent but also suitable for larger current. Of course, in some embodiments, the second electrode 442 can also be made of other transparent conductive materials, such as Indium Tin Oxide (ITO), aluminum-doped zinc oxide (AZO), and the like.

In one embodiment, a transparent conductive wire may be formed using a transparent conductive material, wound into a coil, and cured using an adhesive to form a second transparent ring 42, and then a guide bar 43 is formed on the second transparent ring 42, and a first electrode 431 is disposed on the guide bar 43. Transparent conductive wires led out from both ends of the wound coil are fixed on the guide rod 43. The second transparent ring 42 can thus be made smaller and a coil wound with more turns can be formed.

In one embodiment, a transparent ring with guide rods 43 may be provided, with the coil being made of a transparent conductive material. The transparent plate 44 is formed with a second transparent lead 443 made of a transparent conductive material, and the second transparent lead 443 is connected to the corresponding coil.

In one embodiment, the transparent plate 44 may be made of transparent plastic, transparent film, glass sheet, or the like.

In one embodiment, referring to fig. 13 and 14, the transparent plate 44 is connected to the second flexible circuit board 45, and each of the second transparent leads 443 is connected to the second flexible circuit board 45. The second flexible circuit board 45 is provided to be connected to an external circuit, and then each second transparent coil 421 is connected to an external circuit, so that the squeeze type liquid lens 100 can be controlled conveniently.

The extrusion type liquid lens 100 provided by the embodiment of the application can adjust the shape and the curvature of the surface of the lens as required to form a spherical lens or an aspherical lens, and can be better adapted to different application occasions and requirements.

Referring to fig. 15, an embodiment of the present application further provides a lens module 200, which includes a bracket 201, an image sensor 202, a lens assembly 203, and an extruded liquid lens 100; the image sensor 202 is mounted on the holder 201, and the image sensor 202 is supported by the holder 201. The lens assembly 203 is mounted in the holder 201, and the lens assembly 203 is supported by the holder 201. The squeeze liquid lens 100 is the squeeze liquid lens described in any of the above embodiments. The lens module 200 of the embodiment of the application uses the extrusion type liquid lens 100, and the extrusion type liquid lens 100 can form a corresponding spherical lens or an aspheric lens according to needs, so that focusing can be better performed to improve the imaging quality.

In the above-described embodiment, there is one squeeze liquid lens 100. In other embodiments, the squeeze liquid lens 100 may be provided in a number of two, three, four, etc.

In the above-described embodiment, the squeeze liquid lens 100 is located on the side of the lens module 200 away from the image sensor 202, so that external light enters the lens module 200 after being zoomed by the squeeze liquid lens 100.

In one embodiment, the holder 201 further has a filter 204 mounted therein, and the filter 204 is located between the lens assembly 203 and the image sensor 202. The optical filter 204 is arranged to filter redundant light, thereby improving the imaging quality.

In one embodiment, referring to fig. 16, the lens module 200 further includes a prism 205 disposed on a side of the lens assembly 203 away from the image sensor 202, so that the lens module 200 forms a periscopic lens. The extruded liquid lens 100 is located on the light-entering side of the prism 205 so that external light passes through the extruded liquid lens 100 before entering the prism 205.

In one embodiment, referring to fig. 19, the extruded liquid lens 100 is located on the light exit side of the prism 205, so that external light enters the extruded liquid lens 100 through the prism 205 and passes to the lens assembly 203.

In one embodiment, referring to fig. 17, the extruded liquid lens 100 is located on a side of the lens module 200 close to the image sensor 202, so that light emitted through the lens assembly 203 enters the image sensor 202 after being focused by the extruded liquid lens 100.

In one embodiment, referring to fig. 17, both sides of the extruded liquid lens 100 are provided with an infrared filter coating 207 and an anti-reflection coating 206, respectively, to improve the imaging quality. In some embodiments, an infrared filter plating layer 207 may be provided on either surface of the squeeze liquid lens 100. In some embodiments, an antireflection coating 206 may be provided on either surface of the extrusion-type liquid lens 100. In some embodiments, the antireflection coating 206 and the infrared filter coating 207 may be provided on both surfaces of the extrusion-type liquid lens 100.

In one embodiment, referring to fig. 18, the extruded liquid lens 100 is located in a lens module 200.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The extrusion type liquid lens is characterized by comprising an enclosure dam, a first light-transmitting diaphragm plate and a second light-transmitting diaphragm plate, wherein the first light-transmitting diaphragm plate is covered at one end of the enclosure dam, the second light-transmitting diaphragm plate is covered at the other end of the enclosure dam, a cavity is surrounded by the enclosure dam, the first light-transmitting diaphragm plate and the second light-transmitting diaphragm plate, light-transmitting liquid is filled in the cavity, and the first light-transmitting diaphragm plate is a flexible film; the first light-transmitting film plate is provided with a plurality of first light-transmitting rings which are concentrically arranged, each first light-transmitting ring is provided with a first light-transmitting coil which is driven by a magnetic field to move under the condition of being electrified, the position of each first light-transmitting ring is changed by changing the magnitude and the direction of current in each first light-transmitting coil, and then the corresponding position of the first light-transmitting film plate is driven to move, so that an aspheric lens or a spherical lens is formed;

the extrusion type liquid lens further comprises first transparent elastic sheets which elastically support the first light transmission rings, the first transparent elastic sheets are connected with the first light transmission rings, each first transparent elastic sheet comprises a first supporting sheet and a first supporting ring, the first supporting sheets extend outwards from the first light transmission rings respectively, the first supporting rings are connected with the first supporting sheets, each first supporting sheet is arc-shaped or S-shaped, and the first light transmission rings are connected with the first supporting sheets in a plurality.

2. The squeeze liquid lens of claim 1, wherein: the first transparent elastic sheet is provided with first light-transmitting leads which respectively lead out two ends of each first light-transmitting coil.

3. The squeeze liquid lens of claim 1, wherein: the first transparent elastic sheet further comprises first connecting rings respectively connected with the second light transmitting rings, and each first supporting sheet is fixedly connected with the corresponding first connecting ring.

4. The extruded liquid lens of any of claims 1-3, wherein: the extrusion type liquid lens further comprises a support frame for supporting the first transparent elastic sheet.

5. The extruded liquid lens of any of claims 1-3, wherein: and a conductive coil is arranged in the box dam.

6. The extruded liquid lens of any of claims 1-3, wherein: the extrusion type liquid lens further comprises a magnetic field generator for generating a magnetic field, the magnetic field generator is annular, and each first light-transmitting ring is located in the magnetic field generator.

7. The squeeze liquid lens of claim 6, wherein: the box dam forms the magnetic field generating body; or the magnetic field generating body is fixedly connected with the box dam.

8. The squeeze liquid lens of claim 6, wherein: the magnetic field generating body and the box dam are arranged at intervals.

9. The squeeze liquid lens of claim 8, wherein: the box dam is connected with the magnetic field generating body through an elastic piece.

10. The extruded liquid lens of any of claims 1-3, wherein: the extrusion type liquid lens is characterized in that the second light-transmitting diaphragm plate is a flexible film, a plurality of second light-transmitting rings which are concentrically arranged are arranged on the second light-transmitting diaphragm plate, a second light-transmitting coil which is driven by a magnetic field to move under the condition of power-on is arranged on each second light-transmitting ring, the extrusion type liquid lens further comprises second transparent elastic sheets which elastically support the second light-transmitting rings, and the second transparent elastic sheets are connected with the second light-transmitting rings.

11. The squeeze liquid lens of claim 10, wherein: the second transparent elastic sheet is provided with second light-transmitting leads which respectively lead out two ends of each second light-transmitting coil.

12. The extruded liquid lens of any of claims 1-3, wherein: the second light-transmitting diaphragm plate is a flexible film, a plurality of first transparent rings which are concentrically arranged are arranged on the second light-transmitting diaphragm plate, and first transparent coils which are driven by a magnetic field to move under the condition of electrification are respectively arranged on the first transparent rings.

13. The squeeze liquid lens of claim 12, wherein: the second light-transmitting film plate is provided with first transparent leads which respectively lead out two ends of each first transparent coil.

14. The extruded liquid lens of any of claims 1-3, wherein: the extrusion type liquid lens comprises a first transparent film plate, a second transparent film plate, a plurality of guide rods and a transparent plate, wherein the first transparent film plate is a flexible film, the second transparent film plate is provided with a plurality of second transparent rings which are concentrically arranged, each second transparent ring is provided with a second transparent coil which is driven by a magnetic field to move under the condition of power-on, each second transparent ring is provided with a plurality of guide rods, and the transparent plate is provided with through holes for the guide rods to be inserted into.

15. The squeeze liquid lens of claim 14, wherein: and at least one guide rod on each second transparent ring is provided with a first electrode which is respectively connected with two ends of the corresponding second transparent coil on the second transparent ring, a second electrode matched with each first electrode is arranged in the corresponding through hole on the transparent plate, and a second transparent lead wire which is respectively connected with each second electrode is arranged on the transparent plate.

16. The lens module, including the support, install the image sensor on the support and install in lens subassembly in the support, its characterized in that: the lens module further comprising a squeeze liquid lens as claimed in any one of claims 1 to 15.