CN209388021U - The big field angle lens construction of biprism - Google Patents
The big field angle lens construction of biprism Download PDFInfo
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- CN209388021U CN209388021U CN201920384201.4U CN201920384201U CN209388021U CN 209388021 U CN209388021 U CN 209388021U CN 201920384201 U CN201920384201 U CN 201920384201U CN 209388021 U CN209388021 U CN 209388021U
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- eyeglass
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- field angle
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Abstract
The utility model relates to a kind of big field angle lens constructions of biprism, it is characterized in that: by lens barrel, set on the first eyeglass of lens barrel incident light line end, for receiving the first prism of the first eyeglass emergent ray in lens barrel, for receiving the lens set of the first prism emergent ray, for receiving the second prism of lens set emergent ray, the 5th eyeglass composition set on lens barrel emergent light line end and for receiving the second prism emergent ray, second eyeglass is F at a distance from the first prism, 0≤F≤1mm, position between corresponding first prism of the lens barrel and the second eyeglass is equipped with cone cylinder shape light passing structure, the miner diameter end of the cone cylinder shape light passing structure is close to the first prism, form diaphragm, the diameter of the diaphragm is 2.2-2.8mm.Which solve existing mobile phones under the premise of not influencing camera lens whole height, increases the technical problem of field of view angle, is suitable for being thinned mobile phone thickness and shoots big field of view angle illumination.
Description
Technical field
The utility model relates to the design of cell-phone camera header structure, especially a kind of big field angle lens construction of biprism.
Background technique
Currently, the whole height of mobile lens is restricted, in order to adapt to the demand of light, the thin design of mobile phone in order to solve
This problem, existing that camera lens is placed horizontally in phone housing, two prisms are placed in the two sides inside camera lens respectively, play
Change optical path effect, thus can reduce the whole height of camera lens, adapts to design and need.
However, increase field of view angle how under the premise of not influencing camera lens whole height, be another technical problem, because
This, the structure type of existing mobile lens still needs to improve.
Summary of the invention
The purpose of this utility model is to provide for a kind of solving existing mobile phone in the premise for not influencing camera lens whole height
Under, increase the big field angle lens construction of biprism of the technical problem of field of view angle, is suitable for being thinned mobile phone thickness and the big view of shooting
Rink corner degree illumination.
The technical solution of the utility model is:
A kind of big field angle lens construction of biprism, is characterized in that: by lens barrel, set on the of lens barrel incident light line end
One eyeglass, is used to receive the first prism emergent ray the first prism for being used to receive the first eyeglass emergent ray in lens barrel
Lens set, the second prism for receiving lens set emergent ray, be set to lens barrel emergent light line end and for receive the second rib
5th eyeglass of mirror emergent ray forms, and the lens set is by the second eyeglass, third eyeglass and the 4th lens set successively arranged
At, the bevel angle of first prism and the second prism is 45 °, corresponding first prism of the lens barrel and the second prism it is oblique
Face position is respectively equipped with 45 ° of positioning surfaces, and the optical axis of first eyeglass and the 5th eyeglass is parallel, the optical axis of the lens set
It is respectively perpendicular with the optical axis of the first eyeglass and the 5th eyeglass, the object side of first eyeglass and image side surface face type are respectively
Recessed, the object side of the second eyeglass and image side surface face type are respectively convex, and the object side of third eyeglass and image side surface face type are respectively recessed,
The object side of 4th eyeglass and image side surface face type are respectively convex, the object side face type of the 5th eyeglass be it is recessed, image side surface face type be it is convex,
Second eyeglass is F, 0≤F≤1mm at a distance from the first prism, corresponding first prism of the lens barrel and the second eyeglass it
Between position be equipped with cone cylinder shape light passing structure, the miner diameter end of the cone cylinder shape light passing structure forms diaphragm, institute close to the first prism
The diameter for stating diaphragm is 2.2-2.8mm.
The big field angle lens construction of above-mentioned biprism, the incident ray port of the lens barrel and emergent ray port difference
Positioned at lens barrel two sides, the distance between incident ray port and emergent ray port are I, 5mm≤I≤7mm.
The big field angle lens construction of above-mentioned biprism, washer between third eyeglass and the second eyeglass by plastic washer and
It is attached at the anti-dazzling screen composition of plastic washer two sides.
The big field angle lens construction of above-mentioned biprism,
The outer diameter of first eyeglass be A1,4 mm≤A1≤6mm, object side effective diameter be A1a, 4.5 mm≤
A1a≤5.5mm, image side surface effective diameter are A1b, 2 mm≤A1b≤4mm；
The outer diameter of second eyeglass be A2,4 mm≤A2≤4.5mm, object side effective diameter be A2a, 1 mm≤
A2a≤4mm, image side surface effective diameter are A2b, 3mm≤A2b≤4mm；
The outer diameter of the third eyeglass is A3, and 4 mm≤A3≤5mm, object side effective diameter is A3a, 1 mm≤A3a
≤ 4mm；Image side surface effective diameter is A3b, 3mm≤A3b≤4mm；
The outer diameter of 4th eyeglass be A4,4 mm≤A4≤6mm, object side effective diameter be A4a, 1 mm≤
A4a ≤ 4mm；Image side surface effective diameter is A4b, 3mm≤A4b≤5mm；
The outer diameter of 5th eyeglass is A5, and 4 mm≤A5≤6mm, object side effective diameter is A5a, 1mm≤A5a
≤ 4mm；Image side surface effective diameter is A5b, 3mm≤A5b≤5mm.
It is designed above by lens dimension, under the premise of guaranteeing mobile lens image quality, it is excessive to be unlikely to volume,
In, the first eyeglass and the 5th eyeglass can effectively guarantee mobile lens under the premise of increasing field of view angle, mobile lens
Openings of sizes, is unlikely to more excessive than conventional lenses to control mobile phone screen and correspond to the opening of camera lens, accounts for screen ratio to reduce.
The height of the big field angle lens construction of above-mentioned biprism, first eyeglass and the 5th eyeglass is respectively C, 0 < C
≤ 1mm.Effectively to control total height of camera lens.
The right-angle side of the big field angle lens construction of above-mentioned biprism, first prism and the second prism is having a size of D, and 2
mm≤ D ≤ 5mm.Effectively to control total Gao He overall length of camera lens.
The big field angle lens construction of above-mentioned biprism, the focal length of first eyeglass are f1, -2 mm≤f1≤-
9mm.In order to distribute focal power, reduce camera lens overall length.
The big field angle lens construction of above-mentioned biprism, the focal length of the 5th eyeglass are f5, -2.2mm≤f5≤-
8mm.To reduce difference, the lump-sum analysis power of camera lens is improved.
The big field angle lens construction of above-mentioned biprism, the lens barrel is an integral structure or split type structure.
The beneficial effect of utility model is:
1, using the utility model, light by the first eyeglass it is incident after, by the first prismatic reflection, into lens set,
Again by being passed to mobile phone receiving end after the second prismatic reflection.The utility model is on the one hand by using prism in conjunction with lens
Mode, formed periscope structure form, thus to a certain extent keep even reduce camera lens whole height, thus may be used
To greatly reduce the thickness of mobile phone；On the other hand, the first eyeglass is placed on to the object side of the first prism, using the 5th eyeglass as
Last a piece of eyeglass is placed on the image side side of the second prism, achievees the purpose that the field angle for increasing camera lens, field angle can achieve
70 ° or more.
2, this structure qualification the second eyeglass and the first prism distance F, 0≤F≤1mm, and the diameter of diaphragm is
2.2-2.8mm, so that the overall length for limiting camera lens is unlikely to too long in the case where guaranteeing image quality.
3, when installing, the first eyeglass of this camera lens is installed close to mobile phone frame, is effectively reduced occupied by mobile phone screen camera lens
Space, so that promote comprehensive screen mobile phone accounts for screen ratio.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (integral type lens barrel, corresponding embodiment 1) of the utility model；
Fig. 2 is the structural schematic diagram (split type lens barrel, corresponding embodiment 2) of the utility model；
Fig. 3 is the structural schematic diagram (gasket construction is different from Examples 1 and 2, corresponding embodiment 3) of the utility model；
Fig. 4 is the structure enlargement diagram of the washer used in Fig. 3.
Specific embodiment
Embodiment 1
As shown in Figure 1, the big field angle lens construction of the biprism, by lens barrel 8, set on the first of 8 incident light line end of lens barrel
Eyeglass 1, is used to receive 2 emergent light of the first prism the first prism 2 for being used to receive 1 emergent ray of the first eyeglass in lens barrel 8
The lens set of line, the second prism 6 for receiving lens set emergent ray are set to lens barrel emergent light line end and for receiving second
5th eyeglass 7 of 6 emergent ray of prism forms.Wherein, the lens set is by the second eyeglass 3,4 and of third eyeglass that successively arrange
4th eyeglass 5 composition.The bevel angle of first prism 2 and the second prism 6 is 45 °, corresponding first prism of the lens barrel 8
2 and second the incline position of prism 6 be respectively equipped with 45 ° of positioning surfaces, first eyeglass 1 is parallel with the optical axis of the 5th eyeglass 7,
The optical axis of the lens set and the optical axis of the first eyeglass 1 and the 5th eyeglass 7 are respectively perpendicular.The object side of first eyeglass 1
Face and image side surface face type are respectively recessed, and the object side of the second eyeglass 3 and image side surface face type are respectively convex, the object side of third eyeglass 4
Face and image side surface face type are respectively recessed, and the object side of the 4th eyeglass 5 and image side surface face type are respectively convex, the object side of the 5th eyeglass 7
Face face type be it is recessed, image side surface face type be it is convex.
In the present embodiment, lens barrel 8 is an integral structure.Second eyeglass 3 is F, 0≤F at a distance from the first prism 2
≤ 1mm, the position between corresponding first prism of the lens barrel and the second eyeglass are equipped with cone cylinder shape light passing structure 9, the cone cylinder shape
The miner diameter end of light passing structure 9 forms diaphragm close to the first prism, and the diameter of the diaphragm is 2.2-2.8mm.The lens barrel enters
It penetrates light port and emergent ray port and is located at lens barrel two sides, the distance between incident ray port and emergent ray port
For I, 5mm≤I≤7mm.
The outer diameter of first eyeglass 1 is A1, A1=5,4mm, and object side effective diameter is A1a, A1a=4.8mm, image side
Face effective diameter is A1b, A1b=3.6mm；
The outer diameter of second eyeglass 3 be A2, A2=4.5mm, object side effective diameter be A2a, A2a=3.2mm, as
Side effective diameter be A2b, A2b=3.2mm,；
The outer diameter of the third eyeglass 4 is A3, and A3=5mm, object side effective diameter is A3a, A3a=3.1mm；Image side
Face effective diameter is A3b, A3b=3.3mm；
The outer diameter of 4th eyeglass 5 is A4, and A4=5.2mm, object side effective diameter is A4a, A4a=3.5mm；Image side
Face effective diameter is A4b, A4b=3.6mm；
The outer diameter of 5th eyeglass 7 is A5, and A5=6mm, object side effective diameter is A5a, A5a=3.8mm；Image side surface
Effective diameter is A5b, A5b=4mm.
The focal length of first eyeglass 1 is f1, f1=- 9mm.
The focal length of 5th eyeglass 7 is f5, f5=- 8mm.
The height of first eyeglass 1 and the 5th eyeglass 7 is respectively C, 0 < C≤1mm.
The right-angle side of first prism 2 and the second prism 6 is having a size of D, 2 mm≤D≤5mm.
Embodiment 2
As shown in Fig. 2, lens barrel 8 is split type structure in the present embodiment, assembling is more convenient.Other are same as Example 1.
Embodiment 3
As shown in Figure 3, Figure 4, in the present embodiment, the washer 10 between third eyeglass 4 and the second eyeglass 3 is by plastic washer
1001 form with the anti-dazzling screen 1002 for being attached at 1001 two sides of plastic washer, and solving at washer has veiling glare to enter optical system
Problem.Other are the same as embodiment 1.
Claims (9)
1. a kind of big field angle lens construction of biprism, it is characterised in that: by lens barrel, set on the first mirror of lens barrel incident light line end
Piece, the first prism, the mirror for receiving the first prism emergent ray in lens barrel for receiving the first eyeglass emergent ray
Piece group, the second prism for receiving lens set emergent ray go out set on lens barrel emergent light line end and for receiving the second prism
The 5th eyeglass composition of light is penetrated, the lens set is made of the second eyeglass, third eyeglass and the 4th eyeglass successively arranged, institute
The bevel angle for stating the first prism and the second prism is 45 °, the inclined-plane position of the lens barrel corresponding first prism and the second prism
It sets and is respectively equipped with 45 ° of positioning surfaces, the optical axis of first eyeglass and the 5th eyeglass is parallel, the optical axis of the lens set and
The optical axis of one eyeglass and the 5th eyeglass is respectively perpendicular, and the object side of first eyeglass and image side surface face type are respectively recessed, the
The object side of two eyeglasses and image side surface face type are respectively convex, and the object side of third eyeglass and image side surface face type are respectively recessed, and the 4th
The object side of eyeglass and image side surface face type are respectively convex, the object side face type of the 5th eyeglass be it is recessed, image side surface face type be it is convex, it is described
Second eyeglass is F, 0≤F≤1mm at a distance from the first prism, between corresponding first prism of the lens barrel and the second eyeglass
Position is equipped with cone cylinder shape light passing structure, and the miner diameter end of the cone cylinder shape light passing structure forms diaphragm, the light close to the first prism
The diameter of door screen is 2.2-2.8mm.
2. the big field angle lens construction of biprism according to claim 1, it is characterised in that: the incident ray of the lens barrel
Port and emergent ray port are located at lens barrel two sides, and the distance between incident ray port and emergent ray port are I,
5mm≤ I ≤ 7mm。
3. the big field angle lens construction of biprism according to claim 1, it is characterised in that: third eyeglass and the second eyeglass
Between washer by plastic washer and be attached at the anti-dazzling screens of plastic washer two sides and form.
4. the big field angle lens construction of biprism according to claim 1, it is characterised in that:
The outer diameter of first eyeglass be A1,4 mm≤A1≤6mm, object side effective diameter be A1a, 4.5 mm≤A1a≤
5.5mm, image side surface effective diameter are A1b, 2 mm≤A1b≤4mm；
The outer diameter of second eyeglass be A2,4 mm≤A2≤4.5mm, object side effective diameter be A2a, 1 mm≤A2a≤
4mm, image side surface effective diameter are A2b, 3mm≤A2b≤4mm；
The outer diameter of the third eyeglass be A3,4 mm≤A3≤5mm, object side effective diameter be A3a, 1 mm≤A3a≤
4mm；Image side surface effective diameter is A3b, 3mm≤A3b≤4mm；
The outer diameter of 4th eyeglass be A4,4 mm≤A4≤6mm, object side effective diameter be A4a, 1 mm≤A4a≤
4mm；Image side surface effective diameter is A4b, 3mm≤A4b≤5mm；
The outer diameter of 5th eyeglass be A5,4 mm≤A5≤6mm, object side effective diameter be A5a, 1mm≤A5a≤
4mm；Image side surface effective diameter is A5b, 3mm≤A5b≤5mm.
5. the big field angle lens construction of biprism according to claim 1, it is characterised in that: first eyeglass and the 5th
The height of eyeglass is respectively C, 0 < C≤1mm.
6. the big field angle lens construction of biprism according to claim 1, it is characterised in that: first prism and second
The right-angle side of prism is having a size of D, 2 mm≤D≤5mm.
7. the big field angle lens construction of biprism according to claim 1, it is characterised in that: the focal length of first eyeglass
For f1, -2 mm≤f1≤- 9mm.
8. the big field angle lens construction of biprism according to claim 1, it is characterised in that: the focal length of the 5th eyeglass
For f5, -2.2mm≤f5≤- 8mm.
9. the big field angle lens construction of biprism according to claim 1, it is characterised in that: the lens barrel is integral type knot
Structure or split type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384201.4U CN209388021U (en) | 2019-03-26 | 2019-03-26 | The big field angle lens construction of biprism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384201.4U CN209388021U (en) | 2019-03-26 | 2019-03-26 | The big field angle lens construction of biprism |
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| Publication Number | Publication Date |
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| CN209388021U true CN209388021U (en) | 2019-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110727081A (en) * | 2019-10-14 | 2020-01-24 | 辽宁中蓝电子科技有限公司 | Structure of lens-exposed periscopic extremely small-head lens |
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2019
- 2019-03-26 CN CN201920384201.4U patent/CN209388021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110727081A (en) * | 2019-10-14 | 2020-01-24 | 辽宁中蓝电子科技有限公司 | Structure of lens-exposed periscopic extremely small-head lens |
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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: 20210104 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: Double prism lens structure with large field of view 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 |