CN105572832A - Optical device - Google Patents
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- CN105572832A CN105572832A CN201510541081.0A CN201510541081A CN105572832A CN 105572832 A CN105572832 A CN 105572832A CN 201510541081 A CN201510541081 A CN 201510541081A CN 105572832 A CN105572832 A CN 105572832A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 342
- 230000006698 induction Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
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- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention provides an optical device which comprises a plurality of optical lens groups, an optical sensing element and a shell. Any one of the optical lens groups is used for the light beam to pass through so as to change the traveling direction of the light beam; the optical sensing element is used for sensing a light beam which passes through at least one optical lens group in the plurality of optical lens groups and is incident to the optical sensing element, and then converting the light beam into an image signal; the housing is used for accommodating and fixing the plurality of optical lens assemblies and the optical sensing element. The optical device of the invention is in the form of a single optical lens and can simultaneously perform different optical functions, thereby realizing miniaturization of the whole volume and reduction of the manufacturing cost.
Description
Technical field
The present invention about a kind of optical devices, especially about a kind of optical pick-up apparatus.
Background technology
Refer to Fig. 1, it is the structural representation of existing single image photographic device.Single image photographic device 1 comprises optical lens 11, Image Sensor 12 and housing 13, and optical lens 11 is made up of at least a slice lens, and pass through wherein with the light beam for the external world, Image Sensor 12 is then in order to respond to by optical lens 11 and the light beam be incident on it, and and then be converted to signal of video signal, for display show image, again, housing 13 is in order to accommodating optical lens 11 and Image Sensor 12, and firm locating effect is provided, make optical lens 11 and Image Sensor 12 can normal operation.Wherein, although Figure 1 shows that independently single image photographic device 1, flourish due to optical technology now, it also can be arranged on by microminiaturization on portable telecommunications product.
But, single image photographic device 1 shown in Fig. 1 only can absorb single image in shooting process once, in order to overcome this defect, multiple independently single image photographic device 1 is mainly assembled spread configuration by current technology, uses the multiple image of interval picked-up at one time.
In detail, refer to Fig. 2, it is the structural representation of existing array image camera.Fig. 2 illustrates array image camera 2 and is through framework 21 and multiple independently single image photographic device 1 is given arrayed arranges and formed rectangular-shaped, and each single image photographic device 1 obtained signal of video signal is sent to back-end processor (not shown) after respective pick-up image to carry out integration process, shows for display.
Although existing array image camera 2 can absorb multiple image in shooting process once, but wherein all single image photographic devices 1 optical function that can provide is all identical, such as the optical axis of all single image photographic devices 1 is all fixed as single direction, that is any two optical axises are without angle, or be that the visual angle (fieldofview) of all single image photographic devices 1 or focal length are all the same.
Again, be limited to the processing procedure of current array image camera, the pickup quality of single image photographic device 1 often can only have the resolution of 1M ~ 2M pixel (pixel), therefore the function that array image camera 2 can provide has limitation.In addition, obviously too complicated with the structure of array (array) spread configuration, and multiple independently single image photographic device 1 must be set due to array image camera 2, also cause high cost and cannot effectively promote.
Refer to Fig. 3, it is the structural representation of another image photographic device existing.Image photographic device 9 comprises multiple camera lens module 91 and the housing 92 in order to fix those camera lens modules, and each camera lens module 91 comprises optical lens group 911 and an optical sensing elements (not shown); Wherein, each camera lens module 91 absorbs image respectively, and obtained signal of video signal is reached processor (figure do not show, can in be built in housing) carry out integrations process, with synthesize 3D stereopsis or for display show.Although existing image photographic device 9 is can absorb multiple image in shooting process once equally, because housing 92 domestic demand arranges multiple optical sensing elements, therefore its volume limited extent that can reduce.
Be with, how when taking into account overall volume and manufacturing cost, make camera can absorb multiple image in shooting process once, and can flexibly provide different optical function to obtain required optical effect according to practical situations, become important problem.
Summary of the invention
The technical problem to be solved in the present invention is, for prior art above shortcomings, there is provided a kind of and can also carry out the optical devices of different optical function utilization in single optical lens pattern simultaneously, make its overall volume be able to miniaturization and reduce manufacturing cost.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of optical devices, comprises multiple optical lens group, an optical sensing elements and a housing, and this optical lens group arbitrary passes through for light beam and changed direct of travel; This optical sensing elements is incident to the light beam of this optical sensing elements in order to induction by least one optical lens group in the plurality of optical lens group; This housing is in order to accommodating and fixing the plurality of optical lens group and this optical sensing elements.
Preferably, these optical devices meet following relationship:
Wherein, A
sfor an actual induction scope of this optical sensing elements, A
c,jfor a jth optical lens group corresponds to a drop shadow spread of this optical sensing elements, n is the quantity of the plurality of optical lens group.
Preferably, these optical devices meet following relationship:
0.3·f
avg<Δf<1.2·f
avg；
Wherein, f
avgfor an average focal length of whole focal lengths of the plurality of optical lens group, Δ f is that a maximum focal length of whole focal lengths of the plurality of optical lens group is poor.
Preferably, the one in the plurality of optical lens group is first optical lens group with a primary optic axis, and the another one in the plurality of optical lens group is second optical lens group with one second optical axis; Wherein, this primary optic axis is not overlapping with this second optical axis.
Preferably, the plurality of optical lens group has different optical axises respectively, and the maximum optical axis angular difference of whole optical axises of the plurality of optical lens group is less than 10 degree.
Preferably, these optical devices also comprise at least one optical filter, and this at least one optical filter is arranged between the plurality of optical lens group and this optical sensing elements, in order to carry out filtering screening to by the light beam after this optical lens group arbitrary.
Preferably, this at least one optical filter is that at least one stoping visible light beam, infrared beam, near infrared light beam and far red light intrafascicular is passed through wherein.
Preferably, these optical devices also comprise an anti-dazzling screen, and this anti-dazzling screen is arranged at the front side of the plurality of optical lens group, and have the multiple through holes corresponding to the plurality of optical lens group.
Preferably, the one in the plurality of optical lens group is a central optical lens combination, and other optical lens group in the plurality of optical lens group is respectively a peripheral optical lens combination, and around this central optical lens combination.
Preferably, the one in the plurality of optical lens group is first optical lens group with one first lens, and the another one in the plurality of optical lens group is second optical lens group with one second lens; Wherein, one-body moldedly these first lens and these second lens be connected.
Preferably, one in the plurality of optical lens group is a visible light lens group, it passes at least one visible light beam and changes direct of travel, and the another one in the plurality of optical lens group is an invisible light lens group, and it passes at least one invisible light beam and change direct of travel.
Preferably, multiple lens that this optical lens group arbitrary comprises single lens or is stacked, and wherein these lens arbitrary are made by plastics, glass or silica-base material.
Preferably, the quantity of the plurality of optical lens group is four or more.
Preferably, these optical devices are an optical pick-up apparatus.
Multiple optical lens group of optical devices of the present invention can be designed in response to different optical function respectively and are all fixed in same housing and share same optical sensing elements, thus make optical devices of the present invention be in single optical lens pattern and the optical devices of different optical function utilization can also be carried out simultaneously, so make the overall volume of optical devices be able to miniaturization and reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1: be the structural representation of existing single image photographic device.
Fig. 2: be the structural representation of existing array image camera.
Fig. 3: be the structural representation of another image photographic device existing.
Fig. 4: for optical devices of the present invention are in the surface structure schematic diagram of one first preferred embodiment.
Fig. 5: be the partial cutaway schematic view of the L-L along the line of optical devices shown in Fig. 4.
Fig. 6: be the projection relation schematic diagram of optical lens group multiple shown in Fig. 5 and Image Sensor.
Fig. 7: for optical devices of the present invention are in the surface structure schematic diagram of one second preferred embodiment.
Embodiment
Refer to Fig. 4 and Fig. 5, Fig. 4 be optical devices of the present invention in the surface structure schematic diagram of one first preferred embodiment, Fig. 5 is the partial cutaway schematic view of the L-L along the line of optical devices shown in Fig. 4.In this preferred embodiment, optical devices 3 are a kind of optical pick-up apparatus, and comprise the first optical lens group 31, second optical lens group 32, the 3rd optical lens group 33, the 4th optical lens group 34, optical sensing elements 35, optical filter 36, anti-dazzling screen 37 and in order to accommodating and fix the housing 38 of those optical lens group 31 ~ 34, optical sensing elements 35, optical filter 36, anti-dazzling screen 37.Wherein, first optical lens group 31 sequentially comprises the first lens 311, the 3rd lens 312 and the 5th lens 313 along the side of primary optic axis 314, and the second optical lens group 32 sequentially comprises the second lens 321, the 4th lens 322 and the 6th lens 323 along the direction of the second optical axis 324; Similarly, 3rd optical lens group 33 and the 4th optical lens group 34 also sequentially comprise multiple lens (not shown) along the direction of its 3rd optical axis 334, the 4th optical axis 344 respectively, and it can be same as or differ from the lens arrangement mode of the first optical lens group 31 and the second optical lens group 32.
Moreover, arbitrary optical lens group 31 ~ 34 passes through for light beam and changed direct of travel, optical sensing elements 35 is then incident to the light beam of optical sensing elements 35 in order to induction by arbitrary optical lens group 31 ~ 34, and be converted to signal of video signal, carry out signal transacting for signal processor (not shown) or supply display (not shown) show image.
Secondly, above-mentioned arbitrary lens can made by plastics, a glass or a silica-base material, and although the first optical lens group 31 shown in Fig. 5 and the second optical lens group 32 are stacked by multiple lens respectively and are formed, but the quantity of lens is not as limit, such as, in those optical lens group 31 ~ 34 any one also only can comprise single lens.
Preferably, but not as limit, lens on second lens 321 of the first lens 311, second optical lens group 32 of the first optical lens group 31 and the opposite position of the 3rd optical lens group 33 and the 4th optical lens group 34 can be connected together, and namely above-mentioned multiple lens are formed on single light penetrating object in integrated mode.In like manner, lens on 4th lens 322 of the 3rd lens 312, second optical lens group 32 of the first optical lens group 31 and the opposite position of the 3rd optical lens group 33 and the 4th optical lens group 34 can be connected together, and are formed in integrated mode; And the lens on the 6th lens 323 of the 5th lens 313, second optical lens group 32 of the first optical lens group 31 and the opposite position of the 3rd optical lens group 33 and the 4th optical lens group 34 can be connected together, and formed in integrated mode.
Special instruction, the design that the above-mentioned multiple lens belonging to different optical lens combination 31 ~ 34 are respectively formed in integrated mode, will make the assembling of optical devices 3 more easy.In addition, due to optical devices 3 of the present invention have can be microminiaturized advantage, therefore can be applicable to hand-held moving device, as mobile phone, panel computer or other Wearable device etc.
Moreover, anti-dazzling screen 37 is arranged at the front side of those optical lens group 31 ~ 34, and the multiple through holes 371 had corresponding to those optical lens group 31 ~ 34, each optical lens group 31 ~ 34 all can be exposed, use and enter those optical lens group 31 ~ 34 for extraneous light beam.Wherein, the object of anti-dazzling screen 37 is, makes the parasitic light crested of each optical lens group 31 ~ 34 periphery, and then guarantees the optical resolution of the light beam being incident to optical sensing elements 35.
Again, optical filter 36 is arranged between those optical lens group 31 ~ 34 and optical sensing elements 35, in order to carry out filtering screening to by the light beam after those optical lens group 31 ~ 34, the light beam being incident to optical sensing elements 35 is made to be all the light beam that can be utilized; For example, at least one that optical filter 36 can be designed to according to practical application request stop visible light beam, infrared beam, near infrared light beam and far red light intrafascicular is passed through wherein.
Moreover those optical lens group 31 ~ 34 have focal length separately, and can be made up of the lens of different quantity and/or different optical character respectively due to those optical lens group 31 ~ 34, therefore the focal length of any two optical lens group may be the same or different.In this preferred embodiment, f
avgfor the average focal length of all focal lengths of those optical lens group 31 ~ 34, Δ f is the gap (maximum focal length is poor) of maximum focal length in all focal lengths of those optical lens group 31 ~ 34 and minimum focus, and optical devices 3 meet following relationship:
0.3·f
avg<Δf<1.2·f
avg；
That is in this preferred embodiment, the gap (maximum focal length is poor) of the maximum focal length in all focal lengths of those optical lens group 31 ~ 34 and minimum focus is between the average focal length of 0.3 times and the average focal length of 1.2 times, thus, optical devices 3 can be made to have preferably photographic effect.
In addition, in this preferred embodiment, angle (optical axis angular difference) therebetween of appointing in 4th optical axis 344 of second optical axis 324 of primary optic axis 314, second optical lens group 32 of the first optical lens group 31, the 3rd optical axis 334 of the 3rd optical lens group 33 and the 4th optical lens group 34 is less than 10 degree, uses the photographic effect of improving optical device 3.
Refer to Fig. 6, its projection relation schematic diagram being optical lens group multiple shown in Fig. 5 and Image Sensor.Fig. 6 illustrates A
sfor the actual induction scope of optical sensing elements 35, and A
c, 1, A
c, 2, A
c, 3, A
c, 4be respectively the drop shadow spread that the first optical lens group 31, second optical lens group 32, the 3rd optical lens group 33 and the 4th optical lens group 34 correspond to optical sensing elements 35.In this preferred embodiment, optical devices 3 meet following relationship:
0.75·A
S<A
C,1+A
C,2+A
C,3+A
C,4<1.5·A
S；
That is in this preferred embodiment, the summation that all optical lens group 31 ~ 34 correspond to the drop shadow spread of optical sensing elements 35 is between 75% and 150% of the actual induction scope of optical sensing elements 35, thus, the usefulness that optical sensing elements 35 can be made received light beam to be converted to signal of video signal is promoted.
Moreover, when the quantity of optical lens group is non-be four time, above-mentioned relation formula is convertible as follows:
Wherein, A
sfor the actual induction scope of optical sensing elements 35, A
c,jfor a jth optical lens group corresponds to the drop shadow spread of optical sensing elements 35, n is the quantity of those optical lens group.
Refer to lower list 1, the utilization configuration signal table of its multiple optical lens group being optical devices shown in Fig. 4.
I representative in table 1 has the optical lens group of the first optical function, F representative has the optical lens group of the second optical function, and table 1 illustrates 5 kinds of configuration kenels of optical devices 3: in configuration kenel 1, those optical lens group 31 ~ 34 are all the optical lens group with the first optical function; In configuration kenel 2, the 4th optical lens group 34 is for having the optical lens group of the second optical function, and remaining optical lens group 31 ~ 33 is then all the optical lens group with the first optical function; In configuration kenel 3, the first optical lens group 31 and the second optical lens group 32 are for having the optical lens group of the first optical function, and the 3rd optical lens group 33 and the 4th optical lens group 34 are for having the optical lens group of the second optical function; In configuration kenel 4, the first optical lens group 31 is for having the optical lens group of the first optical function, and remaining optical lens group 32 ~ 34 is then all the optical lens group with the second optical function; In configuration kenel 5, those optical lens group 31 ~ 34 are all the optical lens group with the second optical function.
Wherein, first optical function and the second optical function can be respectively wide viewing angle camera function and non-wide viewing angle camera function, or be that the first optical function and the second optical function can be respectively remote distance camera function and closely camera function, but be not limited with above-mentioned.In addition, in arbitrary layout type state, there are any two optical lens group of identical optical function, also may have different optical parameter value; For example, although there are two optical lens group to be all the optical lens group with remote distance camera function in a certain configuration kenel, these two optical lens group can have different focal lengths.Only, above are only several configuration kenels of those optical lens group 31 ~ 34, the art those of ordinary skill all can according to practical application request those optical lens group 31 ~ 34 of design for change utilization configuration, such as those optical lens group 31 ~ 34 can have different optical functions separately.
Refer to Fig. 7, it is that optical devices of the present invention are in the surface structure schematic diagram of one second preferred embodiment.Wherein, the optical devices 4 of this preferred embodiment are roughly similar to person described in aforementioned first preferred embodiment, are namely no longer repeated at this; And this preferred embodiment and aforementioned first preferred embodiment difference are, one 41 in multiple optical lens group included by optical devices 4 is central optical lens combination, other optical lens group 42 ~ 45 in those optical lens group is then respectively peripheral optical lens combination, and those peripheral optical lens combination are around central optical lens combination.
Selectively, optical lens group 42 shown in Fig. 7 and optical lens group 43 are respectively a visible light lens group and an invisible light lens group, and visible light lens group is passed for visible light beam and change direct of travel, invisible light lens group is then passed for invisible light beam and changes direct of travel, but is not limited with above-mentioned.
Only, above explanation is only two embodiments of the present invention, and the art those of ordinary skill all can carry out the design for change of any equalization according to practical application request; For example, change and be designed to, be not provided with optical filter 36 in optical devices, or be in optical devices, be not provided with anti-dazzling screen 37; Again for example, although the anti-dazzling screen 37 in above-mentioned preferred embodiment is the front sides being arranged at those optical lens group, but not as limit, change and be designed to, anti-dazzling screen 37 be arranged in optical devices other suitably locate, such as between two optical lens group, or between two lens in single optical lens group.
Again for example, although the optical devices in above-mentioned preferred embodiment only comprise single optical filter 36, not as limit, change and be designed to, optical devices comprise the multiple optical filters corresponding respectively to multiple optical lens group; Selectively, any two optical filters also can be designed in response to particular demands stop the light beam of identical type to pass through wherein by wherein or respectively stoping different types of light beam.
According to above explanation, multiple optical lens group due to optical devices of the present invention can be designed in response to different optical function respectively and are all fixed in same housing and share same optical sensing elements, therefore the present invention is to provide and a kind ofly can also carry out the optical devices of different optical function utilization in single optical lens pattern simultaneously, in shooting process once, such as absorb the multiple images obtained by different optical functions, the overall volume of optical devices is so made to be able to miniaturization and to reduce manufacturing cost, real tool industrial utilization.
The foregoing is only preferred embodiment of the present invention, and be not used to limit right of the present invention, under therefore all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be contained in scope of patent protection of the present invention.
Claims (14)
1. optical devices, is characterized in that, comprising:
Multiple optical lens group, and this optical lens group arbitrary passes through for light beam and changed direct of travel;
One optical sensing elements, is incident to the light beam of this optical sensing elements in order to induction by least one optical lens group in the plurality of optical lens group; And
One housing, in order to accommodating and fixing the plurality of optical lens group and this optical sensing elements.
2. optical devices as claimed in claim 1, it is characterized in that, these optical devices meet following relationship:
Wherein, A
sfor an actual induction scope of this optical sensing elements, A
c,jfor a jth optical lens group corresponds to a drop shadow spread of this optical sensing elements, n is the quantity of the plurality of optical lens group.
3. optical devices as claimed in claim 1, it is characterized in that, these optical devices meet following relationship:
0.3·f
avg<Δf<1.2·f
avg；
Wherein, f
avgfor an average focal length of whole focal lengths of the plurality of optical lens group, Δ f is that a maximum focal length of whole focal lengths of the plurality of optical lens group is poor.
4. optical devices as claimed in claim 1, it is characterized in that, one in the plurality of optical lens group is first optical lens group with a primary optic axis, and the another one in the plurality of optical lens group is second optical lens group with one second optical axis; Wherein, this primary optic axis is not overlapping with this second optical axis.
5. optical devices as claimed in claim 1, it is characterized in that, the plurality of optical lens group has different optical axises respectively, and the maximum optical axis angular difference of whole optical axises of the plurality of optical lens group is less than 10 degree.
6. optical devices as claimed in claim 1, it is characterized in that, these optical devices also comprise at least one optical filter, and this at least one optical filter is arranged between the plurality of optical lens group and this optical sensing elements, in order to carry out filtering screening to by the light beam after this optical lens group arbitrary.
7. optical devices as claimed in claim 6, is characterized in that, this at least one optical filter is that at least one stoping visible light beam, infrared beam, near infrared light beam and far red light intrafascicular is passed through wherein.
8. optical devices as claimed in claim 1, it is characterized in that, these optical devices also comprise an anti-dazzling screen, and this anti-dazzling screen is arranged at the front side of the plurality of optical lens group, and have the multiple through holes corresponding to the plurality of optical lens group.
9. optical devices as claimed in claim 1, it is characterized in that, one in the plurality of optical lens group is a central optical lens combination, and other optical lens group in the plurality of optical lens group is respectively a peripheral optical lens combination, and around this central optical lens combination.
10. optical devices as claimed in claim 1, it is characterized in that, one in the plurality of optical lens group is first optical lens group with one first lens, and the another one in the plurality of optical lens group is second optical lens group with one second lens; Wherein, one-body moldedly these first lens and these second lens be connected.
11. optical devices as claimed in claim 1, it is characterized in that, one in the plurality of optical lens group is a visible light lens group, it passes at least one visible light beam and changes direct of travel, and the another one in the plurality of optical lens group is an invisible light lens group, it passes at least one invisible light beam and changes direct of travel.
12. optical devices as claimed in claim 1, is characterized in that, multiple lens that this optical lens group arbitrary comprises single lens or is stacked, and wherein these lens arbitrary are made by plastics, glass or silica-base material.
13. optical devices as claimed in claim 1, is characterized in that, the quantity of the plurality of optical lens group is four or more.
14. optical devices as claimed in claim 1, it is characterized in that, these optical devices are an optical pick-up apparatus.
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| US14/883,057 US9843706B2 (en) | 2014-10-31 | 2015-10-14 | Optical apparatus |
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| TW103137847A TWI627493B (en) | 2014-10-31 | 2014-10-31 | Combined optical lens and optical imaging device using the same |
| TW103137847 | 2014-10-31 |
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| CN105572832A true CN105572832A (en) | 2016-05-11 |
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| CN112166375A (en) * | 2019-07-29 | 2021-01-01 | 深圳市大疆创新科技有限公司 | Shooting equipment, cloud platform device and unmanned aerial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112154372A (en) * | 2019-07-29 | 2020-12-29 | 深圳市大疆创新科技有限公司 | Shooting equipment, cloud platform device and unmanned aerial vehicle |
| CN112166375A (en) * | 2019-07-29 | 2021-01-01 | 深圳市大疆创新科技有限公司 | Shooting equipment, cloud platform device and unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105572832B (en) | 2018-09-11 |
| CN105572833B (en) | 2018-11-09 |
| CN105572833A (en) | 2016-05-11 |
| CN105572853A (en) | 2016-05-11 |
| TWI627493B (en) | 2018-06-21 |
| CN105572853B (en) | 2018-04-20 |
| TW201616212A (en) | 2016-05-01 |
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