CN211236427U

CN211236427U - Foldable cell-phone camera lens and electronic product

Info

Publication number: CN211236427U
Application number: CN201921880420.8U
Authority: CN
Inventors: 林国泉
Original assignee: Sintai Optical Shenzhen Co Ltd; Asia Optical Co Inc
Current assignee: Sintai Optical Shenzhen Co Ltd; Asia Optical Co Inc
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-11
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a folding mobile phone lens, including speculum prism and first mirror crowd, speculum or prism configure into make along the direction of Y optical axis incident speculum or prism through reflect back along the direction of X optical axis from speculum or prism outgoing, wherein, X optical axis with Y optical axis is perpendicular; the first mirror group is fixedly arranged on an incidence surface of the reflector or the prism along the Y optical axis; the folding mobile phone lens further comprises a second mirror group from the reflector or the prism to the imaging surface along the X-ray axis. In the conventional mobile phone lens in the market, because a plurality of lenses are continuously stacked on the same optical axis, when a long focal length is required, the thickness of the lens in the optical axis direction is inevitably increased, so that the size of the lens is overlarge. The folding mobile phone lens has the advantages that the folding mobile phone lens is provided with the X optical axis and the Y optical axis which are perpendicular to each other, so that the requirement of a long focal length or a long back focal length can be met, and the size and the thickness of the lens can not be increased.

Description

Foldable cell-phone camera lens and electronic product

Technical Field

The utility model relates to a lens technical field, concretely relates to foldable cell-phone camera lens and electronic product.

Background

In recent years, with the development of scientific technology, the market demand for imaging systems suitable for portable electronic products has been increasing. As shown in fig. 5 and fig. 6, a lens for a mobile phone, which is a common lens for a mobile phone in the market at present, includes a first lens group 110, a second lens 220, a third lens 230, a fourth lens 240 and a fifth lens 250, wherein the first lens group 110, the second lens 220, the third lens 230, the fourth lens 240 and the fifth lens 250 are stacked in series and all supported in a lens cavity 210. Since a plurality of lenses are stacked in series on the same optical axis, when a long focal length (for example, Tele telephoto lens or long back focal length) is required, the thickness in the optical axis direction tends to increase, resulting in an excessively large lens size.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a foldable cell-phone camera lens and electronic product.

In order to solve the technical problem, the utility model provides a technical scheme does:

a folding mobile phone lens comprising a mirror prism and a first mirror group, the mirror or prism being configured such that light incident on the mirror or prism in the direction of a Y optical axis is reflected and then exits the mirror or prism in the direction of an X optical axis, wherein the X optical axis is perpendicular to the Y optical axis; the first mirror group is fixedly arranged on an incidence surface of the reflector or the prism along the Y optical axis; the folding mobile phone lens further comprises a second mirror group from the reflector or the prism to the imaging surface along the X optical axis.

Further, the reflector further comprises a reflecting surface and an emergent surface, and included angles between the incident surface and the reflecting surface and included angles between the emergent surface and the reflecting surface are both 45 degrees.

Further, a bearing unit used for keeping the relative position of the incident surface and the reflecting surface is arranged between the incident surface and the reflecting surface.

Further, the reflecting surface is a high-reflection film.

Further, the incident surface is glass.

Further, the second lens group comprises a lens cavity, a second lens, a third lens, a fourth lens and a fifth lens, wherein the second lens, the third lens, the fourth lens and the fifth lens are all supported in the lens cavity and are sequentially stacked from the reflector to an imaging surface along the X-ray axis.

Further, the second lens and the third lens are tightly connected.

Further, air gaps are arranged between the third lens and the fourth lens and between the fourth lens and the fifth lens.

Furthermore, optical filters are fixedly mounted from the fifth lens to an imaging surface along the X-ray axis.

An electronic product comprises the folding mobile phone lens.

The utility model has the advantages that:

in a mobile phone lens commonly used in the market at present, since a plurality of lenses are continuously stacked on the same optical axis, when a long focal length (for example, Tele telescope lens or long back focal length) is required, the thickness in the optical axis direction is inevitably increased, which results in an oversized lens. The folding mobile phone lens has the advantages that the folding mobile phone lens is provided with the X optical axis and the Y optical axis which are perpendicular to each other, so that the requirement of a long focal length or a long back focal length can be met, and the size and the thickness of the lens can not be increased.

Drawings

Fig. 1 is an exploded view of a foldable mobile phone lens according to a preferred embodiment of the present invention;

fig. 2 is a side sectional view of a foldable mobile phone lens according to a preferred embodiment of the present invention;

fig. 3 is an exploded view of the foldable mobile phone lens according to another preferred embodiment of the present invention;

fig. 4 is a side sectional view of the foldable mobile phone lens according to another preferred embodiment of the present invention;

FIG. 5 is a schematic perspective view of a lens of a mobile phone in the prior art;

fig. 6 is a side sectional view of a lens of a mobile phone in the prior art.

The reference numerals include:

101-mirror 100' -prism 120-incident surface

130-bearing unit 140-reflecting surface 150-emergent surface

200-second lens group 210-lens cavity 220-second lens

230-third lens 240-fourth lens 250-fifth lens

300-optical filter 400-imaging plane 500-first mirror group

100-reflection module

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1-4, in order to illustrate a preferred embodiment of the present invention, the foldable mobile phone lens includes a reflection module 100 and a first mirror group 500, the reflection module 100 may be a reflection mirror 101 or a prism 100', the reflection module 100 is configured to make light incident on the reflection module 100 along a Y optical axis exit from the reflection module 100 along an X optical axis after being reflected, wherein the X optical axis is perpendicular to the Y optical axis; the first mirror group 500 is disposed on the incident surface 120 of the reflective module 100 along the Y-axis; the foldable phone lens further includes a second lens group 200 and a filter 300 along the X-axis from the reflection module 100 to the image plane 400. The above components are described in further detail below.

In a mobile phone lens commonly used in the market at present, since a plurality of lenses are continuously stacked on the same optical axis, when a long focal length (for example, Tele telescope lens or long back focal length) is required, the thickness in the optical axis direction is inevitably increased, which results in an oversized lens. The folding mobile phone lens has the advantages that the folding mobile phone lens is provided with the X optical axis and the Y optical axis which are perpendicular to each other, so that the requirement of a long focal length or a long back focal length can be met, and meanwhile, the size and the thickness of the lens cannot be increased.

As shown in fig. 1 and 2, in a preferred embodiment of the present application, the foldable phone lens includes a prism 100', a first mirror group 500, a second mirror group 200, an optical filter 300, and an image plane 400. Light from an object enters the prism 100' from the first mirror group 500 along the direction of the Y optical axis, and is reflected by the prism 100' and then exits from the prism 100' along the direction of the X optical axis, wherein the X optical axis is perpendicular to the Y optical axis. The first lens group 500 includes a first lens, and the second lens group 200 includes a second lens 220, a third lens 230, a fourth lens 240 and a fifth lens 250.

The prism 100' specifically includes an incident surface 120, a reflecting surface 140, and an exit surface 150, and the first mirror group 500 is disposed on the incident surface 120 along the Y-axis, and may be disposed in a dispensing manner or in another manner. The second mirror group 200 is disposed between the reflection surface 140 and the image plane 400 along the X-ray axis, and may be fixed by dispensing or other methods.

The second mirror group 200 includes a mirror cavity 210, a second mirror 220, a third mirror 230, a fourth mirror 240 and a fifth mirror 250, wherein the second mirror 220, the third mirror 230, the fourth mirror 240 and the fifth mirror 250 all lean against the mirror cavity 210 and are sequentially stacked from the mirror 100 to the imaging plane 400 along the direction of the X-ray axis.

Specifically, the second lens 220 and the third lens 230 are tightly connected. Air gaps are arranged between the third lens 230 and the fourth lens 240 and between the fourth lens 240 and the fifth lens 250. The optical filters 300 are also fixedly mounted along the X-axis from the fifth mirrors 250 to the imaging plane 400.

In another preferred embodiment of the present application, as shown in fig. 3 and fig. 4, the foldable phone lens includes a reflection module 100, a first mirror group 500, a second mirror group 200, a filter 300, and an image plane 400, wherein the reflection module 100 includes a reflection mirror 101 and a carrying unit 130. Light from an object enters the reflection module 100 from the first mirror group 500 along the direction of the Y optical axis, and is reflected by the mirror 101 of the reflection module 100 and then exits from the reflection module 100 along the direction of the X optical axis, wherein the X optical axis is perpendicular to the Y optical axis.

The reflection module 100 includes an incident surface 120, a reflection surface 140, and an exit surface 150, an included angle between the exit surface 150 and the reflection surface 140 is 45 °, and an included angle between the incident surface 120 and the exit surface 150 is 90 °. A bearing unit 130 for maintaining the relative position between the incident surface 120 and the reflecting surface 140 is disposed between the incident surface 120 and the reflecting surface 140, and the distance between the incident surface 120 and the reflecting surface 140, that is, the length of the Y optical axis, can be adjusted by adjusting the height of the bearing unit 130. The reflecting surface 140 is coated with a reflecting film, and the incident surface 120 is glass. It can be understood that the reflective film is disposed between the first mirror group 500, the supporting unit 130, and the second mirror group 200, and the design configuration can be adjusted by aligning the axes, and then the axes are adhered and fixed after the adjustment is completed, so that the entire module assembly is more flexible.

Example 2

An electronic product includes the foldable mobile phone lens described in embodiment 1, and can be used as a camera lens of a mobile phone, a tablet, an intelligent device or a mobile device.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. A kind of folding mobile phone lens, characterized by: the optical lens comprises a reflection module (100) and a first mirror group (110), wherein the reflection module (100) enables light entering the reflection module (100) along the direction of a Y optical axis to be reflected and then to be emitted from the reflection module (100) along the direction of an X optical axis, and the X optical axis is vertical to the Y optical axis; the first mirror group (110) is arranged on an incident surface (120) of the reflection module (100) along the Y optical axis; the foldable mobile phone lens further comprises a second mirror group (200) from the reflection module (100) to an imaging surface (400) along the X-ray axis.

2. The foldable mobile phone lens of claim 1, wherein: the reflection module (100) further comprises a reflection surface (140) and an exit surface (150), and an included angle between the exit surface (150) and the reflection surface (140) is 45 degrees.

3. The foldable mobile phone lens of claim 2, wherein: a bearing unit (130) used for keeping the relative position of the incident surface (120) and the reflecting surface (140) is arranged between the incident surface and the reflecting surface.

4. The foldable mobile phone lens of claim 2, wherein: the reflecting surface (140) is plated with a reflecting film.

5. The foldable mobile phone lens of claim 2, wherein: the incident surface (120) is glass.

6. The foldable mobile phone lens of claim 1, wherein: the second lens group (200) comprises a lens cavity (210), a second lens (220), a third lens (230), a fourth lens (240) and a fifth lens (250), wherein the second lens (220), the third lens (230), the fourth lens (240) and the fifth lens (250) are all supported in the lens cavity (210) and are sequentially stacked from the reflecting module (100) to the imaging surface (400) along the X-ray axis.

7. The foldable phone lens of claim 6, wherein: the second lens (220) and the third lens (230) are tightly connected.

8. The foldable phone lens of claim 6, wherein: air gaps are arranged between the third lens (230) and the fourth lens (240) and between the fourth lens (240) and the fifth lens (250).

9. The foldable phone lens of claim 6, wherein: and filters (300) are fixedly mounted from the fifth lenses (250) to an imaging surface (400) along the X-ray axis.

10. An electronic product, characterized in that: comprising a foldable phone lens according to any one of claims 1 to 9.