CN110954978B

CN110954978B - Extrusion type liquid lens and lens module

Info

Publication number: CN110954978B
Application number: CN201911166470.4A
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: CN110954978A

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 and a plurality of first guide arm that remove, set up the first through-hole that each first guide arm of guide removed on first printing opacity board. 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 currently 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. The current extrusion formula liquid lens generally is to fill printing opacity liquid in the printing opacity cavity to the one end that makes the cavity is flexible printing opacity membrane, and sets up the extrusion ring, extrudees 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 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 magnetic field drive and the first printing opacity coil that removes, each be equipped with a plurality of first guide arms on the first printing opacity ring, extrusion formula liquid lens still includes first light-passing board, set up respectively on the first light-passing board and supply each first guide arm male first through-hole.

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

In one embodiment, a first flexible circuit board is connected to the first transparent plate, and each first transparent lead is connected to the first flexible circuit board.

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 an embodiment, the second light-transmitting film plate is a flexible film, a plurality of second light-transmitting rings are concentrically arranged on the second light-transmitting film plate, 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, a plurality of second guide rods are arranged on each second light-transmitting ring, the extrusion type liquid lens further includes a second light-transmitting plate, and second through holes for the second guide rods to be inserted into are respectively formed in the second light-transmitting plate.

In an embodiment, at least one of the second guide rods of each of the second light-transmitting rings is provided with a second electrode respectively connected to two ends of a corresponding second light-transmitting coil of the second light-transmitting ring, a second contact matched with each of the second electrodes is provided in the corresponding second through hole of the second light-transmitting plate, and a second light-transmitting lead respectively connected to each of the second contacts is provided on the second light-transmitting plate.

In one embodiment, a second flexible circuit board is connected to the second transparent plate, and each second transparent lead is connected to the second flexible circuit board.

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, the extrusion type liquid lens further comprises a transparent elastic sheet elastically supporting each second transparent ring, and the transparent elastic sheet is connected with each second transparent ring.

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

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:

the extrusion formula liquid lens that this application embodiment provided is through setting up a plurality of first printing opacity rings to set up first printing opacity coil and a plurality of first guide arm on each first printing opacity ring, set up first light-passing board simultaneously, and set up the first through-hole that each first guide arm of guide removed on first light-passing board. 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.

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 first light-transmitting plate and each first light-transmitting ring of the squeeze liquid lens shown in fig. 1.

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 the transparent elastic sheet and the 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 third flexible circuit board; 14-a light transmissive liquid; 21-a first light-transmitting ring; 211-a first light transmissive coil; 22-a first guide bar; 221-a first electrode; 23-a second light-transmitting ring; 24-a second guide bar; 241-a second electrode; 31-a first light-transmitting panel; 311-a first via; 312 — a first contact; 313-a first light transmissive lead; 32-a first flexible circuit board; 33-a second light-transmitting panel; 331-a second via; 332-a second contact; 34-a second flexible circuit board; 41-a first transparent ring; 411-a first transparent coil; 42-a second transparent ring; 421-a second transparent coil; 43-transparent elastic sheet; 431-support sheet; 432-support ring; 433-a connecting ring; 435-a second transparent lead; 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. Each first light-transmitting ring 21 is provided with a plurality of first guide rods 22, the extrusion type liquid lens 100 further comprises a first light-transmitting plate 31, and the first light-transmitting plate 31 is provided with first through holes 311 for the first guide rods 22 to be inserted into, so that each first through hole can guide the corresponding first guide rod 22 to move.

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 and a plurality of first guide rods 22 on each first light transmission ring 21, a first light transmission plate 31 and first through holes 311 for guiding each first guide rod 22 to move on the first light transmission plate 31. When the extrusion type liquid lens 100 is placed in a set magnetic field, the first light-transmitting coils 211 are respectively electrified through the first light-transmitting lead wires 313, 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 one embodiment, referring to fig. 1, fig. 2 and fig. 5, in the plurality of first guide rods 22 corresponding to each first light-transmitting ring 21: at least one first guide rod 22 is provided with first electrodes 221 respectively connected to two ends of the first light-transmitting ring 21 corresponding to the first light-transmitting coil 211, first contacts 312 matched with the first electrodes 221 are disposed in corresponding first through holes 311 on the first light-transmitting plate 31, and first light-transmitting leads 313 respectively connected to the first contacts 312 are disposed on the first light-transmitting plate 31. A first light-transmissive lead 313 is provided on the first light-transmissive plate 31 so as to be connected to an external circuit. The first electrode 221 is disposed on the first guide bar 22, and the first contact 312 is disposed in the corresponding first through hole 311, so that when the first guide bar 22 is inserted into the corresponding first through hole 311, the first electrode 221 can be connected to the first contact 312, and the first light-transmitting lead 313 can be electrically connected to the corresponding first light-transmitting coil 211, so as to connect the first light-transmitting coil 211 to an external circuit.

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 one embodiment, two first electrodes 221 may be disposed at intervals on one first guide bar 22 of the plurality of first guide bars 22 corresponding to each first light-transmitting coil 211, and two first contacts 312 are disposed in the corresponding first through holes 311, so as to be connected to the two first contacts 312 through the two first electrodes 221, thereby connecting two ends of the corresponding first light-transmitting coil 211 to the corresponding first light-transmitting lead 211. In other embodiments, a first electrode 221 may be disposed on each of two first guide bars 22 of the plurality of first guide bars 22 corresponding to each first light-transmitting coil 211, and a first contact 312 is disposed in the corresponding first through hole 311, so as to connect two ends of the first light-transmitting coil 211 with the corresponding first light-transmitting lead 211 through the first electrodes 221 on the two first guide bars 22. In still other embodiments, the first electrodes 221 may be disposed on several first guide bars 22 of the plurality of first guide bars 22 corresponding to each first light-transmitting coil 211, and the first contacts 312 may be disposed in the corresponding through holes 331, so as to increase redundancy and ensure that the first light-transmitting coils 211 are well connected to the corresponding first light-transmitting leads 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 an embodiment, referring to fig. 1, fig. 2 and fig. 5, the first electrode 221 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 electrode 221 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, 2 and 5, the first light-transmitting lead 313 may be made of a graphene material, which not only transmits light well, but also can accommodate a larger current. Of course, in some embodiments, the first light-transmitting wire 313 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, 2 and 5, the first contact 312 can be made of graphene, which not only can transmit light well, but also can accommodate a larger current. Of course, in some embodiments, the first contact 312 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 may be formed using a transparent conductive material, wound into a coil, and cured using an adhesive to form the first light-transmissive ring 21, and then the first guide bar 22 is molded on the first light-transmissive ring 21, and the first electrode 221 is disposed on the first guide bar 22. Transparent conductive wires led out from both ends of the wound coil are fixed to the first guide bar 22. 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 with a first guide 22 may be provided, with a coil formed from a transparent conductive material. The first light-transmitting lead 313 is made of a transparent conductive material on the first transparent plate 31, and the first light-transmitting lead 313 is connected to the 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 plate 31 can be made of transparent plastic, transparent film, glass sheet, etc.

In one embodiment, referring to fig. 1, fig. 2 and fig. 5, the first transparent plate 31 is connected to the first flexible circuit board 32, and each of the first transparent leads 313 is connected to the first flexible circuit board 32. The first flexible circuit board 32 is provided to be connected to an external circuit, and then each of the first transparent coils is connected to an external circuit, so that the squeeze type liquid lens 100 can be controlled conveniently.

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 light-transmitting film 13 is a flexible film, a plurality of second light-transmitting rings 23 are disposed on the second light-transmitting film 13, and the plurality of second light-transmitting rings 23 are concentrically disposed, that is, of two adjacent second light-transmitting rings 23, the second light-transmitting ring 23 with a smaller diameter is located in the second light-transmitting ring 23 with a larger diameter, and central axes of the plurality of second light-transmitting rings 23 are overlapped. Each second light-transmitting ring 23 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 23 moves. Each second light-transmitting ring 23 is provided with a plurality of second guide rods 24, the extrusion type liquid lens 100 further comprises a second light-transmitting plate 33, and second through holes 331 respectively allowing the second guide rods 24 to be inserted are formed in the second light-transmitting plate 33, so that the second through holes can guide the corresponding second guide rods 24 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. 10, in the plurality of second guide rods 24 corresponding to each second light-transmitting ring 23: at least one second guide bar 24 is provided with second electrodes 241 respectively connected to two ends of the second light-transmitting ring 23 corresponding to the second light-transmitting coil, second contacts 332 matched with the second electrodes 241 are disposed in the corresponding second through holes 331 of the second light-transmitting plate 33, and second light-transmitting leads (not shown) respectively connected to the second contacts 332 are disposed on the second light-transmitting plate 33. Second light-transmitting leads are provided on the second light-transmitting plate 33 so as to be connected to an external circuit. The second electrode 241 is disposed on the second guide bar 24, and the second contact 332 is disposed in the corresponding second through hole 331, so that when the second guide bar 24 is inserted into the corresponding second through hole 331, the second electrode 241 can be connected to the second contact 332, and the second light-transmitting lead wire can be electrically connected to the corresponding second light-transmitting coil, so as to connect the second light-transmitting coil to an external circuit.

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.

In one embodiment, two second electrodes 241 may be disposed at intervals on one second guide bar 24 of the plurality of second guide bars 24 corresponding to each second light-transmitting coil, and two second contacts 332 may be disposed in the corresponding second through holes 331, so as to be connected to the two second contacts 332 through the two second electrodes 241, and further connect two ends of the corresponding second light-transmitting coil to the corresponding second light-transmitting lead. In other embodiments, one second electrode 241 may be disposed on each of two second guide bars 24 of the plurality of second guide bars 24 corresponding to each second light-transmitting coil, and one second contact 332 may be disposed in the corresponding second through hole 331, so as to connect two ends of the second light-transmitting coil with the corresponding second light-transmitting lead through the second electrodes 241 on the two second guide bars 24. In still other embodiments, the second electrodes 241 may be disposed on several second guide bars 24 of the plurality of second guide bars 24 corresponding to each second light-transmitting coil, and the second contacts 332 may be disposed in the corresponding through holes 331, so as to increase redundancy and ensure that the second light-transmitting coils are well connected to the corresponding second light-transmitting leads.

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 an embodiment, referring to fig. 10, the second electrode 241 can 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 second electrode 241 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 may be made of a graphene material, which not only transmits light well, but also can accommodate a larger current. Of course, in some embodiments, the second light-transmitting lead 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 contact 332 can be made of graphene, which not only can transmit light well, but also can accommodate a larger current. Of course, in some embodiments, the second contact 332 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 may be made of a transparent conductive material, wound into a coil, and cured using an adhesive to form the second light-transmissive ring 23, and then the second guide bar 24 is molded on the second light-transmissive ring 23, and the second electrode 241 is disposed on the second guide bar 24. Transparent conductive wires led out from both ends of the wound coil are fixed on the second guide rod 24. So that the second light-transmitting ring 23 can be made smaller and a coil wound with more turns can be formed.

In one embodiment, a transparent ring with second guide 24 may be provided, with the coil being made of a transparent conductive material. A second light-transmitting lead is made of a transparent conductive material on the second light-transmitting plate 33, and is connected to the corresponding coil.

In one embodiment, the second light-transmitting plate 33 can be made of transparent plastic, transparent film, glass sheet, or the like.

In one embodiment, referring to fig. 10, a second flexible circuit board 34 is connected to the second transparent plate 33, and each second transparent lead is connected to the second flexible circuit board 34. The second flexible circuit board 34 is provided to facilitate connection with an external circuit, and further, each second transparent coil is connected with the external circuit to facilitate control of this squeeze-type liquid lens 100.

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, a third flexible circuit board 132 is connected to the second transparent film 13, and each of the first transparent leads 131 is connected to the third flexible circuit board 132. The third 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 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. The squeeze liquid lens 100 further includes a transparent elastic sheet 43, and the transparent elastic sheet 43 is connected to each second transparent ring 42, so that each second transparent ring 42 is elastically supported by the transparent elastic sheet 43. 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. 13 and 14, the transparent elastic sheet 43 is provided with second transparent leads 435 for respectively leading out two ends of each second transparent coil 421, that is, the transparent elastic sheet 43 is provided with a plurality of second transparent leads 435, and the second transparent leads 435 respectively lead out two ends of each second transparent coil 421 for externally connecting a power supply to energize each second transparent coil 421.

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.

The transparent elastic sheet 43 is used to support each second transparent ring 42, and the second transparent lead 435 is disposed in each transparent elastic sheet 43 for facilitating the manufacturing process, and during the manufacturing process, the transparent elastic sheet 43 and each second transparent ring 42 can be assembled with the second transparent film 13 after being manufactured, so as to facilitate the manufacturing process.

In an embodiment, referring to fig. 11 and 12, the second transparent coil 421 can be made of a graphene material, which not only can transmit light well, but also can accommodate 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. 11 and 12, the second transparent wire 435 can be made of graphene, which not only can transmit light well, but also can accommodate larger current. Of course, in some embodiments, the second transparent wires 435 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 second transparent ring 42, which is then mounted on the transparent elastic sheet 43. Transparent conductive wires led out from two ends of the wound coil are fixed on the transparent elastic sheet 43 to form a second transparent lead 435. 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 may be provided, with the coil being fabricated from a transparent conductive material on the ring. A second transparent lead 435 is formed on the transparent elastic sheet 43 by using a transparent conductive material, and the second transparent lead 435 is connected to a corresponding coil.

In one embodiment, the transparent elastic sheet 43 can be made of transparent plastic, transparent film, etc.

In one embodiment, referring to fig. 11 and 12, the transparent elastic sheet 43 includes support plates 431 respectively extending from the second transparent rings 42 and a support ring 432 connected to the support plates 431. The support ring 432 is arranged to facilitate the installation and fixation of the transparent elastic sheet 43 and to facilitate the connection with an external circuit; meanwhile, the structure is convenient for fixedly connecting the supporting sheets 431. And a support plate 431 is provided to facilitate connection of the second transparent rings 42 to support the second transparent rings 42.

Of course, in some embodiments, the transparent elastic sheet 43 may also include only a plurality of supporting sheets 431, and when in use, the supporting sheets 431 are directly fixed at an end of the supporting sheets 431 away from the second transparent ring 42.

In one embodiment, referring to fig. 11 and 12, each support piece 431 is integrally formed with the support ring 432 to facilitate manufacturing. In one embodiment, each support tab 431 may be secured to a support ring 432. The support ring 432 may also be made of hard material to facilitate installation and fixation.

In one embodiment, referring to fig. 11 and 12, the transparent resilient sheet 43 further includes a connecting ring 433 connected to each second transparent ring 42, and each supporting piece 431 is fixedly connected to the corresponding connecting ring 433. A connection ring 433 is provided to facilitate mounting and fixing of the second transparent rings 42.

In one embodiment, referring to fig. 11 and 12, each supporting piece 431 is arc-shaped, so that the elastic sheet supports each second transparent ring 42 and the second transparent ring 42 can move well. In some embodiments, each support piece 431 may also be provided in an S-shape. In still other embodiments, each support piece 431 may be bent into other shapes.

In one embodiment, referring to fig. 11 and 12, a plurality of support plates 431 are connected to each second transparent ring 42 to support each second transparent ring 42 more smoothly.

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. Extrusion formula liquid lens, its characterized in that: the extrusion type liquid lens comprises an enclosure dam, a sealing cover, a first light-transmitting diaphragm plate and a sealing cover, wherein the first light-transmitting diaphragm plate is arranged at one end of the enclosure dam, the sealing cover is arranged at the other end of the enclosure dam, the second light-transmitting diaphragm plate is arranged at the other end of the enclosure dam, the first light-transmitting diaphragm plate and the second light-transmitting diaphragm plate surround a cavity, light-transmitting liquid is filled in the cavity, the first light-transmitting diaphragm plate is a flexible film, a plurality of first light-transmitting rings which are concentrically arranged are arranged on the first light-transmitting diaphragm plate, the first light-transmitting ring with the smaller diameter is arranged in the first light-transmitting ring with the larger diameter, a first light-transmitting coil which is driven by a magnetic field to move under the power-on condition is respectively arranged on the first light-transmitting rings, a plurality of first guide rods are arranged on the first light-transmitting rings, the extrusion type liquid lens further comprises a.

2. The squeeze liquid lens of claim 1, wherein: and first electrodes which are respectively connected with two ends of the first light transmission ring corresponding to the first light transmission coil are arranged on at least one first guide rod on each first light transmission ring, first contacts matched with the first electrodes are arranged in the first through holes on the first light transmission plate, and first light transmission leads which are respectively connected with the first electrodes are arranged on the first light transmission plate.

3. The squeeze liquid lens of claim 2, wherein: the first light-transmitting plate is connected with a first flexible circuit board, and each first light-transmitting lead is connected with the first flexible circuit board.

4. The squeeze liquid lens of claim 1, wherein: and a conductive coil is arranged in the box dam.

5. The extruded liquid lens of any of claims 1-4, 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.

6. The squeeze liquid lens of claim 5, wherein: the magnetic field generator is an excitation coil or a permanent magnet.

7. The squeeze liquid lens of claim 5, 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 5, 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 1-4, wherein: the second printing opacity lamina membranacea is the flexible film, be equipped with a plurality of second printing opacity rings of concentric setting on the second printing opacity lamina membranacea, each be equipped with respectively on the second printing opacity ring and be used for under the circumstances of circular telegram by magnetic field drive and the second printing opacity coil that removes, each be equipped with a plurality of second guide arms on the second printing opacity ring, extrusion formula liquid lens still includes the second light-passing board, seted up respectively on the second light-passing board and supplied each second guide arm male second through-hole.

11. The squeeze liquid lens of claim 10, wherein: and second electrodes which are respectively connected with two ends of the second light-transmitting ring corresponding to the second light-transmitting coil are arranged on at least one second guide rod on each second light-transmitting ring, second contacts matched with the second electrodes are arranged in the corresponding second through holes on the second light-transmitting plate, and second light-transmitting leads which are respectively connected with the second contacts are arranged on the second light-transmitting plate.

12. The squeeze liquid lens of claim 11, wherein: and a second flexible circuit board is connected to the second light-transmitting plate, and each second light-transmitting lead is connected with the second flexible circuit board.

13. The extruded liquid lens of any of claims 1-4, 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.

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

15. The extruded liquid lens of any of claims 1-4, wherein: the extrusion type liquid lens is characterized in that the second light-transmitting diaphragm plate is a flexible film, a plurality of second transparent rings which are concentrically arranged are arranged on the second light-transmitting diaphragm plate, second transparent coils which are driven by a magnetic field to move under the condition of being electrified are respectively arranged on each second transparent ring, the extrusion type liquid lens further comprises transparent elastic sheets which elastically support each second transparent ring, and the transparent elastic sheets are connected with each second transparent ring.

16. The squeeze liquid lens of claim 15, wherein: and the transparent elastic sheet is provided with second transparent leads which respectively lead out two ends of each second transparent coil.

17. 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 16.