CN209388020U - The big field angle microcephaly lens construction of spherical surface list prism - Google Patents
The big field angle microcephaly lens construction of spherical surface list prism Download PDFInfo
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- CN209388020U CN209388020U CN201920384206.7U CN201920384206U CN209388020U CN 209388020 U CN209388020 U CN 209388020U CN 201920384206 U CN201920384206 U CN 201920384206U CN 209388020 U CN209388020 U CN 209388020U
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Abstract
The utility model relates to a kind of big field angle microcephaly lens constructions of spherical surface list prism, including lens barrel and lens set, be characterized in that: lens barrel is cylindrical shape, beam projecting end of the one end opening as camera lens, the other end lateral surface opposite with beam projecting end is the installation positioning surface for directly contacting with mobile phone frame, medial surface is equipped with 45 ° of supporting oblique surfaces, lens set is made of prism and lens, prism is 45 ° of prisms and its 45 ° of reflecting slants are fixed on 45 ° of supporting oblique surfaces of lens barrel, 45 ° of prisms are equipped with a right-angle surface as beam projecting face, towards the beam projecting end of camera lens, being additionally provided with a radius of curvature is the spherical surface of R as plane of light incidence and 6.5 mm≤R≤7.5mm.Not only camera lens height is effectively controlled the utility model, while effectively increasing field angle, effectively increases the effective display area of mobile phone screen.
Description
Technical field
The utility model relates to the design of cell-phone camera header structure, especially a kind of big field angle microcephaly camera lens of spherical surface list prism
Structure.
Background technique
With the development that Mobile Industry makes rapid progress, people constantly promote the pursuit of mobile phone quality, then for hand
The requirement of machine camera lens is also higher and higher.It is mainly reflected in the following aspects: first, camera lens height influences mobile phone if excessive
Ultrathin design demand；Second, the angle of view influences to receive scape range；Third occupies position and the size of mobile phone screen, shadow
The effective display area of mobile phone screen is rung, that is, influence to shield comprehensively accounts for screen ratio.And currently, conventional lenses are generally existing is difficult to take into account
Above-mentioned 3 the problem of.
Summary of the invention
The purpose of this utility model is to provide for a kind of spherical surface list prism for solving the above problem existing for conventional lenses
Big field angle microcephaly's lens construction, not only camera lens height is effectively controlled, while effectively increasing field angle, effectively increases mobile phone
The effective display area of screen.
The technical solution of the utility model is:
A kind of big field angle microcephaly lens construction of spherical surface list prism, including lens barrel and lens set, are characterized in that: described
Lens barrel is cylindric, beam projecting end of the one end opening as camera lens, and the other end lateral surface opposite with beam projecting end is
Installation positioning surface for directly contacting with mobile phone frame, medial surface are equipped with 45 ° of supporting oblique surfaces, and the lens set is by prism and thoroughly
Microscope group is at the prism is 45 ° of prisms and its 45 ° of reflecting slants are fixed on 45 ° of supporting oblique surfaces of lens barrel, and 45 ° of prisms are equipped with
One right-angle surface is as beam projecting face, towards the beam projecting end of camera lens, is additionally provided with the spherical surface conduct that a radius of curvature is R
The plane of light incidence of plane of light incidence and 6.5 mm≤R≤7.5mm, the corresponding 45 ° of prisms of the lens barrel offer light incidence end
Mouthful, the lens group is arranged in 45 ° of prism light exit facets into the lens barrel between the beam projecting end of camera lens, the lens group
It is made of at least 4 aspherical lens.
The above-mentioned big field angle microcephaly lens construction of spherical surface list prism, the right-angle surface length of 45 ° of prisms are less than or equal to
3mm。
The above-mentioned big field angle microcephaly lens construction of spherical surface list prism, the lens group are aspherical by 5 successively arranged
Eyeglass composition, close to 45 ° of prisms the first lens be lenticular lens, object, as two sides effective diameter range be φ 1.6mm- φ
1.9mm；Second lens be double concave type lens, object, as two sides effective diameter range be φ 2.1mm- φ 2.3mm；The third lens are double
Convex type lens, object, as two sides effective diameter range be φ 2.3mm- φ 2.6mm；4th lens object side is concave surface, and image side surface is convex
Face, object, as two sides effective diameter range be φ 2.4mm- φ 2.5mm；5th lens are lenticular lens, object, as two sides effective diameter
Range is φ 2.1mm- φ 2.4mm.
The above-mentioned big field angle microcephaly lens construction of spherical surface list prism, the lens group are aspherical by 6 successively arranged
Eyeglass composition, the object side close to the first lens of 45 ° of prisms is concave surface, and image side surface is convex surface, object, as two sides effective diameter range
For φ 1.77mm- φ 1.9mm；The object side of second lens is concave surface, and image side surface is convex surface, and object is as two sides effective diameter range
φ1.81mm-φ1.83mm；The third lens be double concave type lens, object, as two sides effective diameter range be φ 2.05mm- φ 2.2mm；
4th lens be lenticular lens, object, as two sides effective diameter range be φ 2.76mm- φ 2.77mm；The object side of 5th lens
For convex surface, image side surface is concave surface, and object as two sides effective diameter range is 2.77 mm-φ 3.1mm of φ；The object side of 6th lens
For convex surface, image side surface is concave surface, and object as two sides effective diameter range is 2.7 mm- φ 3.0mm of φ.
The above-mentioned big field angle microcephaly lens construction of spherical surface list prism, corresponding 45 ° of the lens barrel between prism and lens group
Position be equipped with diaphragm, the diameter range of the diaphragm is φ 1.8mm- φ 2.4mm.
The utility model has the beneficial effects that
1, by prism in conjunction with traditional non-spherical lens group, change light and transmit angle, to reduce the height of whole camera lens
Degree, i.e., reduce required mobile phone thickness indirectly, conducive to the thin design of mobile phone, keep mobile phone more attractive.
2, by the way that the first face of prism is designed as spherical surface, and 6.5 mm≤R≤7.5mm, the visual field of camera lens is effectively increased
Angle makes field angle >=70 °.
3, by the design to lens construction parameter, make height H≤4.8mm of camera lens, length L≤8.4mm of camera lens, from
And camera lens volume is effectively controlled, it is easily installed and uses, conducive to the thin design of mobile phone.
4, since the other end lateral surface opposite with camera light exit end is the peace for directly contacting with mobile phone frame
Plane is set, referring to Fig. 3, Fig. 4, then compared with conventional lenses, effectively reduces the distance (B value) of camera lens to mobile phone edge, thus
Reduce the distance of mobile phone screen effective display area domain to mobile phone marginal portion, reduces the space that camera lens occupies screen, effectively increase
Add mobile phone screen effective display area domain accounts for screen ratio.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (corresponding embodiment 1) of the utility model；
Fig. 2 is the structural schematic diagram (corresponding embodiment 2) of the utility model；
Fig. 3 is the mounting structure schematic diagram (corresponding embodiment 2) of the utility model；
Fig. 4 is the mounting structure schematic diagram of conventional lenses.
In figure: 1. lens barrels, 2. prisms, 3. first lens, 4. second lens, 5. the third lens, 6. the 4th lens, 7. the 5th
Lens, 8. the 6th lens, 9. diaphragms.
Specific embodiment
Embodiment 1
If Fig. 1 such as shows, the big field angle microcephaly lens construction of spherical surface list prism, including lens barrel 1 and lens set.
The lens barrel 1 is cylindrical shape, and beam projecting end of the one end opening as camera lens, opposite with beam projecting end is another
One end lateral surface is the installation positioning surface for directly contacting with mobile phone frame, and medial surface is equipped with 45 ° of supporting oblique surfaces, the eyeglass
Group is made of prism 2 and lens, and the prism 2 is 45 ° of supporting oblique surfaces that 45 ° of prisms and its 45 ° of reflecting slants are fixed on lens barrel 1
On, 45 ° of prisms are equipped with a right-angle surface as beam projecting face and are additionally provided with curvature half towards the beam projecting end of camera lens
The spherical surface that diameter is R offers light as plane of light incidence and R=6.9mm, the plane of light incidence of the corresponding 45 ° of prisms of the lens barrel 1
Entry port, the lens group are arranged in 45 ° of prism light exit facets into the lens barrel between the beam projecting end of camera lens.
The right-angle surface length of 45 ° of prisms is equal to 3mm.The lens group is by 5 aspherical lens groups successively arranging
At, close to 45 ° of prisms the first lens 3 be lenticular lens, object, as two sides effective diameter be φ 1.675mm and φ 1.89mm；The
Two lens 4 be double concave type lens, object, as two sides effective diameter be φ 2.18mm and φ 2.28mm；The third lens 5 are that biconvex is saturating
Mirror, object, as two sides effective diameter be φ 2.349mm and φ 2.523mm；4th lens, 6 object side is concave surface, and image side surface is convex surface,
Object, as two sides effective diameter be φ 2.495mm and φ 2.426mm；5th lens 7 are lenticular lens, and object is as two sides effective diameter
φ 2.321mm and φ 2.113mm.The corresponding 45 ° of positions between prism and lens group of the lens barrel 1 are equipped with diaphragm 9, the diaphragm
9 diameter is φ 1.813mm.
When assembling, referring to Fig. 1, prism 2 is packed into lens barrel by being packed into lens barrel, lens group downwardly over from right to left.Third is saturating
Washer is used between mirror and the 4th lens, the material of washer is metal material, between the first lens and the second lens, the second lens with
Between the third lens, use is without wax anti-dazzling screen between the 4th lens and the 5th lens.
The present embodiment, the maximum field of view angle of camera lens are 73 °.Camera lens height H is 4.8mm, and lens length L is 8.2mm.
Embodiment 2
In the present embodiment, spherical radius R=6.9mm of 45 ° of prisms.The lens group is aspherical by 6 successively arranged
Eyeglass composition, the object side close to the first lens 3 of 45 ° of prisms is concave surface, and image side surface is convex surface, and object is as two sides effective diameter
φ1.775mm-φ1.822mm；The object side of second lens 4 is concave surface, and image side surface is convex surface, and object as two sides effective diameter is φ
1.818mm-φ1.829mm；The third lens 5 be double concave type lens, object, as two sides effective diameter be φ 2.076mm- φ 2.159mm；
4th lens 6 be lenticular lens, object, as two sides effective diameter be φ 2.76mm- φ 2.77mm；The object side of 5th lens 7 is
Convex surface, image side surface are concave surface, and object is 2.77 mm- φ of φ, 3.051 mm as two sides effective diameter, and the object side of the 6th lens 8 is convex
Face, image side surface are concave surface, and object as two sides effective diameter is 2.7 mm- φ 3.0mm of φ.The corresponding 45 ° of prisms of the lens barrel 1 and lens
Position between group is equipped with diaphragm 9, and the diameter of the diaphragm 9 is 1.811mm.
Other are the same as embodiment 1.
The present embodiment, the maximum field of view angle of camera lens are 72.5 °.Camera lens height H is 4.8mm, and lens length L is 8.4mm.
Claims (5)
1. a kind of big field angle microcephaly lens construction of spherical surface list prism, including lens barrel and lens set, it is characterised in that: the lens barrel
For cylindrical shape, beam projecting end of the one end opening as camera lens, the other end lateral surface opposite with beam projecting end be for
The installation positioning surface directly contacted with mobile phone frame, medial surface are equipped with 45 ° of supporting oblique surfaces, and the lens set is by prism and lens group
At the prism is 45 ° of prisms and its 45 ° of reflecting slants are fixed on 45 ° of supporting oblique surfaces of lens barrel, and 45 ° of prisms are equipped with one
Right-angle surface is as beam projecting face, and towards the beam projecting end of camera lens, being additionally provided with a radius of curvature is the spherical surface of R as light
The plane of light incidence of the plane of incidence and 6.5 mm≤R≤7.5mm, the corresponding 45 ° of prisms of the lens barrel offer light entry port, institute
It states lens group and is arranged in 45 ° of prism light exit facets into the lens barrel between the beam projecting end of camera lens, the lens group is by extremely
Few 4 aspherical lens composition.
2. the big field angle microcephaly lens construction of spherical surface list prism according to claim 1, it is characterised in that: 45 ° of ribs
The right-angle surface length of mirror is less than or equal to 3mm.
3. the big field angle microcephaly lens construction of spherical surface list prism according to claim 1, it is characterised in that: the lens group
Be made of 5 aspherical lens successively arranged, close to 45 ° of prisms the first lens be lenticular lens, object, as two sides it is effective
Diameter range is φ 1.6mm- φ 1.9mm；Second lens be double concave type lens, object, as two sides effective diameter range be φ 2.1mm- φ
2.3mm；The third lens are lenticular lens, and object as two sides effective diameter range is φ 2.3mm- φ 2.6mm；4th lens object side
Face is concave surface, and image side surface is convex surface, and object as two sides effective diameter range is φ 2.4mm- φ 2.5mm；5th lens are that biconvex is saturating
Mirror, object, as two sides effective diameter range be φ 2.1mm- φ 2.4mm.
4. the big field angle microcephaly lens construction of spherical surface list prism according to claim 1, it is characterised in that: the lens group
It is made of 6 aspherical lens successively arranged, the object side close to the first lens of 45 ° of prisms is concave surface, and image side surface is convex
Face, object, as two sides effective diameter range be φ 1.77mm- φ 1.9mm；The object side of second lens is concave surface, and image side surface is convex surface,
Object, as two sides effective diameter range be φ 1.81mm- φ 1.83mm；The third lens are double concave type lens, object, as two sides effective diameter model
It encloses for φ 2.05mm- φ 2.2mm；4th lens be lenticular lens, object, as two sides effective diameter range be φ 2.76mm- φ
2.77mm；The object side of 5th lens is convex surface, and image side surface is concave surface, and object as two sides effective diameter range is 2.77 mm-φ of φ
3.1mm；The object side of 6th lens is convex surface, and image side surface is concave surface, and object as two sides effective diameter range is 2.7 mm- φ of φ
3.0mm。
5. the big field angle microcephaly lens construction of spherical surface list prism according to claim 1, it is characterised in that: the lens barrel pair
45 ° of positions between prism and lens group are answered to be equipped with diaphragm, the diameter range of the diaphragm is φ 1.8mm- φ 2.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384206.7U CN209388020U (en) | 2019-03-26 | 2019-03-26 | The big field angle microcephaly lens construction of spherical surface list prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384206.7U CN209388020U (en) | 2019-03-26 | 2019-03-26 | The big field angle microcephaly lens construction of spherical surface list prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209388020U true CN209388020U (en) | 2019-09-13 |
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ID=67852444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920384206.7U Active CN209388020U (en) | 2019-03-26 | 2019-03-26 | The big field angle microcephaly lens construction of spherical surface list prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209388020U (en) |
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2019
- 2019-03-26 CN CN201920384206.7U patent/CN209388020U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: No.388, North Zhonghua Road, Xinglongtai District, Panjin City, Liaoning Province Patentee after: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Address before: 124000 Zhonghua Road East, Xinglongtai District, Panjin City, Liaoning Province Patentee before: LIAONING ZHONGLAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Structure of spherical single prism small head lens with large field angle Effective date of registration: 20210726 Granted publication date: 20190913 Pledgee: China Construction Bank Corporation Panjin branch Pledgor: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Registration number: Y2021210000049 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |