CN112433421A - Lens module and electronic equipment - Google Patents
Lens module and electronic equipment Download PDFInfo
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- CN112433421A CN112433421A CN201910785319.2A CN201910785319A CN112433421A CN 112433421 A CN112433421 A CN 112433421A CN 201910785319 A CN201910785319 A CN 201910785319A CN 112433421 A CN112433421 A CN 112433421A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Optics & Photonics (AREA)
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Abstract
The embodiment of the application discloses a lens module, which at least comprises a prism, a lens module, a reflector, an optical filter and an image sensor which are arranged in sequence from an object space to an image space, wherein the prism, the lens module and the reflector are coaxially arranged along a first axis; the reflector, the optical filter and the image sensor are coaxially arranged along a second axis; wherein the first axis is different from the second axis. The embodiment of the application also discloses an electronic device.
Description
Technical Field
The present application relates to, but is not limited to, the field of imaging technology, and in particular, to a lens module and an electronic device.
Background
At present, in the periscopic lens in the related art, each device in the whole lens module is coaxially arranged, so that the length of the lens module is too long, and the typesetting and wiring of the lens module on a mainboard of electronic equipment and the arrangement of each device on the mainboard are limited to a certain extent.
Content of application
The embodiment of the application expects to provide a camera lens module and electronic equipment, the length of the whole camera lens module of having solved the periscopic lens among the correlation technique is too long, the problem of putting of the composing wiring of camera lens module on electronic equipment's mainboard and each device on the mainboard has been limited to a certain extent, the length of camera lens module has been shortened, make full use of the space on the width direction of camera lens module, the reasonable of each device is put on the mainboard has been realized, and then the composing wiring of mainboard has been optimized.
The technical scheme of the application is realized as follows:
the utility model provides a lens module, lens module includes prism, lens module, speculum, light filter and the image sensor who sets gradually from the object space to the image space at least, wherein:
the triangular prism, the lens module and the reflector are coaxially arranged along a first axis;
the reflector, the optical filter and the image sensor are coaxially arranged along a second axis; wherein the first axis is different from the second axis.
Optionally, a minimum included angle of two included angles formed by intersection of the first axis and the second axis satisfies a preset angle.
Optionally, the lens module includes a plurality of lenses, and the plurality of lenses includes at least one convex lens and at least one concave lens.
Optionally, the plurality of lenses includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, wherein:
the focal length of the first lens is a first focal length, the focal length of the second lens is a second focal length, the focal length of the third lens is a third focal length, the focal length of the fourth lens is a fourth focal length, and the focal length of the fifth lens is a fifth focal length,
a first parameter obtained by dividing the second focal length by the first focal length belongs to a first threshold range;
a second parameter obtained by dividing the third focal length by the first focal length belongs to a second threshold range;
a third parameter obtained by dividing the fourth focal length by the first focal length belongs to a third threshold range;
a fourth parameter obtained by dividing the fifth focal length by the first focal length belongs to a fourth threshold range;
wherein the first threshold range, the second threshold range, the third threshold range, and the fourth threshold range are different from each other.
Optionally, the second parameter is greater than the first parameter, the second parameter is greater than the third parameter, and the second parameter is greater than the fourth parameter.
Optionally, the third parameter is greater than the first parameter.
Optionally, the first lens is a convex lens, the second lens is a concave lens, the third lens is a convex lens, the fourth lens is a convex lens, and the fifth lens is a concave lens.
Optionally, the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially disposed in a direction from the triangular prism to the reflecting mirror on the first axis.
An electronic device comprises the lens module.
Optionally, the electronic device is a wearable device.
The lens module comprises a prism, a lens module, a reflector, an optical filter and an image sensor which are sequentially arranged from an object side to an image side, wherein the prism, the lens module and the reflector are coaxially arranged along a first axis; the reflector, the optical filter and the image sensor are coaxially arranged along a second axis; wherein the first axis is different from the second axis; that is to say, in the embodiment of the application, the change of light path trend has been realized to the speculum that utilizes to set up between lens module and light filter, length in the first axis direction has been shortened, and make full use of the space in the second axis direction, thus, the length of the whole lens module of having solved the periscope among the correlation technique is too long, the problem of the layout wiring of lens module on the electronic equipment mainboard and putting of each device on the mainboard has been limited to a certain extent, the length of lens module has been shortened, make full use of the ascending space of width direction of lens module, the reasonable of each device on the mainboard has been realized, and then the layout wiring of mainboard has been optimized.
Drawings
Fig. 1 is a schematic structural diagram of a lens module according to an embodiment of the present disclosure;
fig. 2 is a schematic optical path diagram of a lens module according to an embodiment of the present disclosure;
fig. 3 is another schematic optical path diagram of a lens module according to an embodiment of the present disclosure;
fig. 4 is a schematic characteristic curve diagram of a lens module according to an embodiment of the present disclosure;
fig. 5A to 5B are schematic diagrams illustrating another characteristic curve of a lens module according to an embodiment of the disclosure;
fig. 6 is a schematic view illustrating another characteristic curve of a lens module according to an embodiment of the present disclosure;
fig. 7 is a schematic view of another characteristic curve of a lens module according to an embodiment of the present disclosure;
fig. 8 is a schematic characteristic curve diagram of a lens module according to another embodiment of the present application;
fig. 9A to 9B are schematic diagrams illustrating another characteristic curve of a lens module according to another embodiment of the present application;
fig. 10 is a schematic view illustrating another characteristic curve of a lens module according to another embodiment of the present application;
fig. 11 is a schematic view of another characteristic curve of a lens module according to another embodiment of the present application;
fig. 12 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;
fig. 13 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be described in further detail with reference to the attached drawings, the described embodiments should not be considered as limiting the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
Before further detailed description of the embodiments of the present application, terms and expressions referred to in the embodiments of the present application will be described, and the terms and expressions referred to in the embodiments of the present application will be used for the following explanation.
1) Back focus, the distance from the last optical surface of the lens to the imaging surface.
2) Effective Focal Length (EFL), refers to the distance from the center of the lens to the Focal point.
3) The Field of view (FOV) is also called the Field of view, and the size of the FOV determines the Field of view of the optical instrument.
4) F-number FNO, FNO ═ EFL/entrance pupil diameter.
In the related art, each device in the lens module is coaxially arranged, so that the length of the whole lens module is too long, and the layout and wiring of the lens module on a main board of the electronic device and the arrangement of each device on the main board are limited to a certain extent.
Based on the foregoing, an embodiment of the present application provides a lens module, as shown in fig. 1, the lens module 1 at least includes a prism 11, a lens module 12, a reflector 13, a filter 14 and an image sensor 15, which are sequentially arranged from an object side to an image side, wherein:
the prism 11, the lens module 12 and the reflector 13 are coaxially arranged along a first axis;
the mirror 13, the filter 14, and the image sensor 15 are coaxially disposed along the second axis; wherein the first axis is different from the second axis. Here, the first axis is different from the second axis, and it can be understood that the first axis and the second axis intersect at a position where the center of the mirror 13 is located, and the first axis and the second axis are not on the same straight line, and based on this structure, the mirror 13 can be considered to bend the optical path. Here, the filter 14 may be an infrared filter.
In the embodiment of the application, the first axis and the second axis intersect at the position of the center of the reflector 13, that is, the reflector 13 is used to change the direction of the light path from the triple prism 11 to the reflector 13 through the lens module 12 and back and forth through the reflector 13; as such, it can be considered that each device included in the lens module 12 is divided into three parts, for example, a first part including the triangular prism 11 and the lens module 12; the second part comprises a mirror 13; the third part includes light filter 14 and image sensor 15, and use the speculum 13 of the second part as the inflection point, set up the device that the first part includes is coaxial, set up the device that the second part includes is coaxial, here, the device that the first part includes and the device that the second part includes set up respectively on different axes, and then shortened the same axial direction of lens module 12 like the distance on the length direction, make full use of the space on the width direction, realized the reasonable layout of each device in the lens module 12, and then realized the reasonable of each device put on the mainboard, and then optimized the composing wiring of mainboard.
The lens module provided by the embodiment of the application at least comprises a prism, a lens module, a reflector, an optical filter and an image sensor which are sequentially arranged from an object space to an image space, wherein the prism, the lens module and the reflector are coaxially arranged along a first axis; the reflector, the optical filter and the image sensor are coaxially arranged along a second axis; wherein the first axis is different from the second axis; that is to say, in the embodiment of the application, the change of light path trend has been realized to the speculum that utilizes to set up between lens module and light filter, length in the first axis direction has been shortened, and make full use of the space in the second axis direction, thus, the length of the whole lens module of having solved the periscope among the correlation technique is too long, the problem of putting of the composing wiring of lens module on electronic equipment's mainboard and each device on the mainboard has been limited to a certain extent, the length of lens module has been shortened, make full use of the ascending space of width direction of lens module, the reasonable of each device on the mainboard has been realized, and then the composing wiring of mainboard has been optimized.
Based on the foregoing embodiments, an embodiment of the present application provides a lens module, and as shown in fig. 1, the lens module 1 at least includes a prism 11, a lens module 12, a reflector 13, a filter 14, and an image sensor 15, which are sequentially disposed from an object side to an image side, wherein:
the prism 11, the lens module 12 and the reflector 13 are coaxially arranged along a first axis;
the mirror 13, the filter 14, and the image sensor 15 are coaxially disposed along the second axis; wherein the first axis is different from the second axis.
In the embodiment of the application, the minimum included angle of two included angles formed by intersecting the first axis and the second axis meets the preset angle.
Here, the smallest included angle of two included angles formed by the intersection of the first axis and the second axis satisfies the preset angle, and can be understood as follows: the smallest angle of two angles formed by the intersection of the first axis and the second axis can be an acute angle, a right angle or an obtuse angle.
Illustratively, the smallest of two angles formed by the intersection of the first axis and the second axis is an acute angle or a right angle, and compared with the smallest of two angles formed by the intersection of the first axis and the second axis being an obtuse angle, the distance in the direction of the first axis, i.e., the length direction of the lens module 12, is further shortened, and the space in the direction of the second axis, i.e., the width direction of the lens module 12, is fully utilized.
In the embodiment of the present application, the lens module 12 includes a plurality of lenses including at least one convex lens and at least one concave lens.
Illustratively, the lens module 12 may include a plurality of lenses, such as 3 lenses, 4 lenses or 5 lenses, and of course, the lens module 12 may also include 6 lenses or even more lenses; it should be noted that the plurality of lenses may include at least one convex lens and at least one concave lens.
In the embodiment of the present application, taking the lens module 12 including 5 lenses as an example, it should be noted that selecting 5 lenses to form the lens module 12 can realize reasonable management and control of cost and realize better imaging effect.
In some embodiments of the present application, the plurality of lenses includes a first lens 121, a second lens 122, a third lens 123, a fourth lens 124, and a fifth lens 125, wherein:
the focal length of the first lens 121 is a first focal length, the focal length of the second lens 122 is a second focal length, the focal length of the third lens 123 is a third focal length, the focal length of the fourth lens 124 is a fourth focal length, and the focal length of the fifth lens 125 is a fifth focal length, wherein a first parameter obtained by dividing the second focal length by the first focal length belongs to a first threshold range; a second parameter obtained by dividing the third focal length by the first focal length belongs to a second threshold range; a third parameter obtained by dividing the fourth focal length by the first focal length belongs to a third threshold range; a fourth parameter obtained by dividing the fifth focal length by the first focal length belongs to a fourth threshold range; the first threshold range, the second threshold range, the third threshold range and the fourth threshold range are different from each other.
Illustratively, the first focal length is denoted as f1, the second focal length is denoted as f2, the third focal length is denoted as f3, the fourth focal length is denoted as f4, and the fifth focal length is denoted as f 5. The first threshold range is denoted as X1, the second threshold range is denoted as X2, the third threshold range is denoted as X3, and the fourth threshold range is denoted as X4. Wherein f2/f1 belongs to X1, f3/f1 belongs to X2, f4/f1 belongs to X3, f5/f1 belongs to X4, and four of X1, X2, X3 and X4 are different.
In the embodiment of the application, the second parameter is greater than the first parameter, the second parameter is greater than the third parameter, the third parameter is greater than the first parameter, and the second parameter is greater than the fourth parameter; it should be noted that, when the lens module 12 is formed by selecting 5 lenses, the focal lengths of the five lenses are ensured to satisfy the above relationship, so that the imaging definition can be ensured, the imaging is not distorted, and the imaging effect is further improved.
In some embodiments of the present application, when 5 lenses are selected to form the lens module 12, the focal lengths of the five lenses may satisfy the following relationship:
-3<f2/f1<0，5.2<f3/f1<8.2，0.2<f4/f1<3.2，-2.5<f5/f1<0.5。
in some embodiments of the present application, when 5 lenses are selected to form the lens module 12, a first lens of the five lenses may be a convex lens, a second lens may be a concave lens, a third lens may be a convex lens, a fourth lens may be a convex lens, and a fifth lens may be a concave lens.
Here, the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially disposed in a direction from the triangular prism to the reflecting mirror on the first axis, ensuring a good imaging effect. In the case where the reflecting mirror 13 is added between the lens module 12 and the optical filter 14, five lenses in the lens module 12 may be disposed at positions close to the triple prism 11, so that the telephoto lens is designed in the case where the reflecting mirror is added to the lens module 1 to bend the optical path.
In some embodiments, the lens module 1 provided in the embodiments of the present application is further described by taking an example in which the lens module 12 includes 5 lenses, such as the first lens 121, the second lens 122, the third lens 123, the fourth lens 124 and the fifth lens 125.
Here, the structure of the lens module 1 will be further described by taking the lens module 1 as an example of viewing at different angles. Referring to fig. 2, the light path of the incident light passing through the prism 11, the lens module 12 and toward the reflector 13 is shown.
Referring to fig. 3, the optical path of the incident light is shown as it passes through the lens module 12, the reflector 13, and toward the filter 14 and the image sensor 15.
In some embodiments of the present application, the lens module provided in the present application may be constructed based on set parameters through optical design software, so as to obtain a good imaging effect corresponding to the lens module.
For example, the lens module 12 includes 5 lenses, such as the first lens 121, the second lens 122, the third lens 123, the fourth lens 124 and the fifth lens 125, where f2/f1 is-1.44, f3/f1 is 7.77, f4/f1 is 2.04, and f5/f1 is-1.17. Wherein EFL1 is 23.50, FOV1 is 10.80, and FNO1 is 3.00.
Here, when the lens module is constructed, the aspheric parameters of the lens module are shown in table one:
in the first table, S1-S19 represent each face in the lens module, the larger the radius of curvature the smaller the degree of curvature of the face in the lens module, and the Infinity represents the radius of curvature of the face in the lens module as infinite, i.e., the face in the lens module is a plane.
Table-aspheric parameters in lens module
Here, when the lens module is constructed, the coefficients of the high-order terms of the respective surfaces in the lens module are shown in table two:
in table two, Conic means the Conic coefficient, and here, the Conic coefficient is default, meaning that the surface is spherical; 4 denotes a 4 th power coefficient of the aspherical surface, 6 denotes a 6 th power coefficient of the aspherical surface, 8 denotes a 8 th power coefficient of the aspherical surface, 10 denotes a 10 th power coefficient of the aspherical surface, 12 denotes a 12 th power coefficient of the aspherical surface, 14 denotes a 14 th power coefficient of the aspherical surface, and 16 denotes a 16 th power coefficient of the aspherical surface.
High-order coefficient of each surface in the two-lens module
In this embodiment, a lens module is constructed based on the parameters in the first table and the second table, for example, the incident light of the lens module includes light of five colors, the corresponding imaging quality effect is shown in fig. 4, the unit of the abscissa in fig. 4 is line pair/millimeter (LP/mm), the ordinate represents a modulation transfer function (MFT), and the modulation degree of the MFT specification is transferred to the image by the lens, as can be seen from the resolution characteristic curve in fig. 4, the resolution of the image is good, and the imaging quality is good.
Referring to fig. 5A, the abscissa and ordinate of fig. 5A are both in units of millimeters (mm), and as can be seen from the curved characteristic curve of fig. 5A, an image is formed on a curved surface; referring to fig. 5B, the abscissa in fig. 5B is percentage (percent) and the ordinate in millimeters (mm), and based on the aberration characteristic curve in fig. 5B, the image is not distorted and the imaging effect is better.
Referring to fig. 6, the unit of the abscissa in fig. 6 is micrometer (μm), and the unit of the ordinate in mm, based on the chromatic aberration characteristic curve in fig. 6, it can be known that the light beams with different colors are focused to one point, which indicates that the imaging effect of the lens module provided by the present application is better.
Referring to fig. 7, the abscissa of each small graph in fig. 7 is in the range of [ -1,1], and the ordinate is in micrometers (μm), fig. 7 includes the imaging effect at the real image height (IMA) of each field, the imaging effects of the IMA are shown in the figures, which are respectively 0.000mm, 0.210mm, 0.420mm, 0.630mm, 0.840mm, 1.050mm, 1.260mm, 1.470mm, 1.680mm, 1.890mm, 2.100mm and 2.250mm, and based on the characteristic curves of the light rays with different colors in fig. 7, the light rays with different colors can be focused to a suitable range, which indicates that the imaging effect of the lens module provided by the present application is good.
For another example, taking the case that the lens module 12 includes 5 lenses, such as the first lens 121, the second lens 122, the third lens 123, the fourth lens 124 and the fifth lens 125, where f2/f1 is-1.45, f3/f1 is 6.70, f4/f1 is 1.68, and f5/f1 is-1.00. Wherein EFL1 is 22.60, FOV1 is 11.80, and FNO1 is 3.20.
Here, when the lens module is constructed, the aspheric parameters in the lens module are shown in table three:
in Table three, S1-S19 characterize each face in the lens module, the larger the radius of curvature the smaller the degree of curvature of the face in the lens module, and the Infinity the radius of curvature of the face in the lens module is infinite, i.e., the face in the lens module is a plane.
Aspheric parameters in a lens module
Here, when the lens module is constructed, the coefficients of the high-order terms of the respective surfaces in the lens module are shown in table four:
in table four, Conic represents the Conic coefficient, where the Conic coefficient is default, indicating that the surface is spherical; 4 denotes a 4 th power coefficient of the aspherical surface, 6 denotes a 6 th power coefficient of the aspherical surface, 8 denotes a 8 th power coefficient of the aspherical surface, 10 denotes a 10 th power coefficient of the aspherical surface, 12 denotes a 12 th power coefficient of the aspherical surface, 14 denotes a 14 th power coefficient of the aspherical surface, and 16 denotes a 16 th power coefficient of the aspherical surface.
High-order term coefficient of each surface in the four-lens module
In this embodiment, a lens module is constructed based on the parameters in the third table and the fourth table, for example, the incident light of the lens module includes light of five colors, the corresponding imaging quality effect is shown in fig. 8, the unit of the abscissa in fig. 8 is line pair/millimeter (LP/mm), the ordinate represents the modulation transfer function (MFT), the modulation degree of the MFT specification is transferred to the image by the lens, and based on the resolution characteristic curve in fig. 8, the resolution of the image is good, and the imaging quality is good.
Referring to fig. 9A, the abscissa and the ordinate of fig. 9A are both in units of millimeters (mm), and as can be seen from the curved characteristic curve of fig. 9A, an image is formed on a curved surface; referring to fig. 9B, the abscissa of fig. 9B is percentage (percent) and the ordinate is millimeter (mm), and based on the aberration characteristic curve of fig. 9B, the image is not distorted and the imaging effect is better.
Referring to fig. 10, the unit of the abscissa in fig. 10 is micrometer (μm), and the unit of the ordinate in mm, based on the chromatic aberration characteristic curve in fig. 10, it can be known that the light beams with different colors are focused to one point, which indicates that the imaging effect of the lens module provided by the present application is better.
Referring to fig. 11, the abscissa of each of the small graphs in fig. 11 is in the range of [ -1,1], and the ordinate is in micrometers (μm), fig. 11 includes the imaging effect at the real image height (IMA) of each field, and the imaging effects of the IMA are given in the graphs at 0.000mm, 0.210mm, 0.420mm, 0.630mm, 0.840mm, 1.050mm, 1.260mm, 1.470mm, 1.680mm, 1.890mm, 2.100mm and 2.250mm, respectively, based on the characteristic curves of the light rays with different colors in fig. 11, the light rays with different colors can be focused to a suitable range, which indicates that the imaging effect of the lens module provided by the present application is good.
An embodiment of the present application provides an electronic device, exemplarily, refer to fig. 12, the electronic device may be a mobile phone 3, and an area indicated by a first preset position 31 of the mobile phone 3 is integrally provided with the lens module 1 in the foregoing embodiment, based on the foregoing embodiment, it can be known that the lens module 1 provided by the present application shortens the length of the lens module 1, and makes full use of the space in the width direction of the lens module 1, so that the positions of each device in the lens module 1 are reasonably planned, and further, the lens module 1 is integrated in the mobile phone 3, so that the occupied area on the main board of the mobile phone 3 can be reduced.
In some embodiments of the present application, for example, referring to fig. 13, the electronic device may be a wearable device 4, and the area indicated by the second preset position 41 of the wearable device 4 is integrally provided with the lens module 1 in the foregoing embodiments, based on the foregoing embodiments, the lens module 1 provided in the present application shortens the length of the lens module 1, and makes full use of the space in the width direction of the lens module 1, so that the positions of the devices in the lens module 1 are reasonably planned, and further, the lens module 1 is integrated in the wearable device 4, so that the occupied area on the main board of the wearable device 4 can be reduced.
In some embodiments of the present application, the electronic device may further include a mobile terminal device such as a tablet computer, a notebook computer, a Personal Digital Assistant (PDA), a camera, and a fixed terminal device such as a desktop computer.
In the description of the present application, reference to the description of the terms "one embodiment," "certain embodiments," "illustrative embodiments," "example," "specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, a schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a lens module, its characterized in that, lens module includes prism, lens module, speculum, light filter and the image sensor who sets gradually from the object space to the image space at least, wherein:
the triangular prism, the lens module and the reflector are coaxially arranged along a first axis;
the reflector, the optical filter and the image sensor are coaxially arranged along a second axis; wherein the first axis is different from the second axis.
2. The lens module as claimed in claim 1, wherein a minimum angle between two angles formed by the intersection of the first axis and the second axis satisfies a predetermined angle.
3. The lens module according to any one of claims 1 to 2, wherein the lens module comprises a plurality of lenses including at least one convex lens and at least one concave lens.
4. The lens module as recited in claim 3, wherein the plurality of lenses comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens, wherein:
the focal length of the first lens is a first focal length, the focal length of the second lens is a second focal length, the focal length of the third lens is a third focal length, the focal length of the fourth lens is a fourth focal length, and the focal length of the fifth lens is a fifth focal length,
a first parameter obtained by dividing the second focal length by the first focal length belongs to a first threshold range;
a second parameter obtained by dividing the third focal length by the first focal length belongs to a second threshold range;
a third parameter obtained by dividing the fourth focal length by the first focal length belongs to a third threshold range;
a fourth parameter obtained by dividing the fifth focal length by the first focal length belongs to a fourth threshold range;
wherein the first threshold range, the second threshold range, the third threshold range, and the fourth threshold range are different from each other.
5. The lens module as claimed in claim 4, wherein the second parameter is greater than the first parameter, the second parameter is greater than the third parameter, and the second parameter is greater than the fourth parameter.
6. The lens module as claimed in claim 5, wherein the third parameter is greater than the first parameter.
7. The lens module as recited in any one of claims 4 to 6, wherein the first lens is a convex lens, the second lens is a concave lens, the third lens is a convex lens, the fourth lens is a convex lens, and the fifth lens is a concave lens.
8. The lens module as claimed in claim 7, wherein the first lens, the second lens, the third lens, the fourth lens and the fifth lens are arranged in order in a direction from the triangular prism to the reflecting mirror on the first axis.
9. An electronic apparatus, characterized in that the electronic apparatus comprises the lens module according to any one of claims 1 to 8.
10. The electronic device of claim 9, wherein the electronic device is a wearable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785319.2A CN112433421A (en) | 2019-08-23 | 2019-08-23 | Lens module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785319.2A CN112433421A (en) | 2019-08-23 | 2019-08-23 | Lens module and electronic equipment |
Publications (1)
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| CN106908934A (en) * | 2017-04-01 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of ultra-thin camera lens of periscopic long-focus |
| CN109239905A (en) * | 2018-09-29 | 2019-01-18 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN208872940U (en) * | 2018-09-29 | 2019-05-17 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN208872938U (en) * | 2018-09-29 | 2019-05-17 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN109870787A (en) * | 2019-03-20 | 2019-06-11 | 江西联益光学有限公司 | A kind of optical imaging lens |
| CN110109235A (en) * | 2019-06-03 | 2019-08-09 | 浙江舜宇光学有限公司 | Optical imaging lens |
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2019
- 2019-08-23 CN CN201910785319.2A patent/CN112433421A/en active Pending
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| CN106908934A (en) * | 2017-04-01 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of ultra-thin camera lens of periscopic long-focus |
| CN109239905A (en) * | 2018-09-29 | 2019-01-18 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN208872940U (en) * | 2018-09-29 | 2019-05-17 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN208872938U (en) * | 2018-09-29 | 2019-05-17 | 辽宁中蓝电子科技有限公司 | A kind of periscopic capture optical lens group |
| CN109870787A (en) * | 2019-03-20 | 2019-06-11 | 江西联益光学有限公司 | A kind of optical imaging lens |
| CN110109235A (en) * | 2019-06-03 | 2019-08-09 | 浙江舜宇光学有限公司 | Optical imaging lens |
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