CN203870321U - Optical focus-fixing structure - Google Patents
Optical focus-fixing structure Download PDFInfo
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- CN203870321U CN203870321U CN201420262993.5U CN201420262993U CN203870321U CN 203870321 U CN203870321 U CN 203870321U CN 201420262993 U CN201420262993 U CN 201420262993U CN 203870321 U CN203870321 U CN 203870321U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 66
- 238000003384 imaging method Methods 0.000 claims abstract description 23
- 238000012634 optical imaging Methods 0.000 abstract description 5
- 230000006698 induction Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an optical focus-fixing structure, including a lens group, reflective optical elements capable of reflecting light arranged at two end parts of an object space and an image space, and an optical induction imaging surface arranged on a light emergent surface of the reflective optical element at the side corresponding to the image space. The utility model provides a reflecting optical imaging system structure and assemblies equipped with the camera structure such as a high-end smartphone, a tablet PC, a card type digital camera and so on, the camera equipped with the imaging system is simple in structure, light and thin in appearance, and strong in practicability.
Description
[technical field]
The utility model relates to a kind of optical system structure, relates in particular to focusing apart from optical system structure and having the camera optical camera lens of this structure of a kind of thin type structure.
[background technology]
Along with the fast development of imaging technique, to optical camera lens particularly smart mobile phone pick-up lens image quality require more and more higher.From 800,1,300 ten thousand pixels, the above resolution of 2,000 ten thousand pixel till now.Improving constantly of resolution of lens, has two aspects to the requirement of optical imaging system: on the one hand, the quantity of optical imagery optical mirror slip is more and more, have original below 4, till now 5,6, thus 7 and more than, the increase of optical system eyeglass, causes the contour structures of camera lens very thick; On the other hand, improving constantly of resolution, reach optical limit resolution, only has the imaging area that increases photoelectronic imaging element CCD/Cmos, in order to ensure that optical imaging system chief ray angle is controlled in the situation of certain limit, the optics overall length of system can increase, and causes optical system structure TTL to become very long.The reason of above two aspects, can affect the overall volume of imaging lens, does not reach the thin requirement of existing shooting product design.
Existing technical products, differentiate the feature of high, slim body in order to meet lens imaging, very thin the Thickness Design of optical mirror slip, the limit of the producing process reaching, cause producing that yield is low, cost is high, can not meet the demand that present production in enormous quantities is used.
[utility model content]
The utility model proposes a kind of reflective optic imaging system structure, the parts of this optical imaging system structure and this camera structure of configuration are as intelligent high-end smartphones, panel computer, card type digital camera etc., the camera structure that can make to configure this imaging system is simple, profile is frivolous, practical.
The utility model is by the following technical solutions:
A kind of optics focuses structure, it is characterized in that comprising lens set 1, is equipped with the reflective optical devices 3 that light can be reflected at the both ends of object space and image space, is provided with optical sensor imaging surface 4 at the light outgoing plane of the reflective optical devices on the corresponding one side of image space.
A kind of optics as above focuses structure, and the angle that it is characterized in that described reflective optical devices 3 reflection rays is 90 degree.
A kind of optics as above focuses structure, it is characterized in that described reflective optical devices 3 is plane of reflection mirror or is the girdle prisms such as right angle.
A kind of optics as above focuses structure, it is characterized in that described plane of light incidence and light penetrate in same side or in opposite sides.
A kind of optics as above focuses structure, it is characterized in that plane of light incidence is plane or sphere or aspheric surface in the time of described reflective optical devices 3 girdle prism such as be right angle, and beam projecting face is plane or sphere or aspheric surface.
A kind of optics as above focuses structure, and the reflecting surface and the system optical axis angle that described in it is characterized in that, are placed in two reflective optical devices 3 of object space and image space are 45 degree.
A kind of optics as above focuses structure, it is characterized in that described reflective optical devices 3 includes object space reflective optical devices 31 and image space reflective optical devices 32; Between object space reflective optical devices 31 and incident ray, be provided with incident lens set 5, between image space reflective optical devices 32 and optical sensor imaging surface 4, be provided with and penetrate lens set 6.
A kind of optics as above focuses structure, it is characterized in that described lens set 1 has a slice lens composition at least.
A kind of optics as above focuses structure, it is characterized in that described incident lens set 5, ejaculation lens set 6 all have a slice lens composition at least.
The beneficial effects of the utility model:
1, the utility model can be realized the light ray bending of optical imaging system, reaches imaging system structure outward appearance slim;
2, the utility model can be realized high pixel optics imaging system outgoing chief ray angle and approach 0 degree;
3, the utility model adopts multi-disc reflective optical devices and the integrated design of lens set optical system, can realize the slim design of camera structure, meets the requirement of high-end smartphones, panel computer, the frivolous outward appearance of digital card camera, and practical function is very strong.
[brief description of the drawings]
Fig. 1 is the example 1.1 of the utility model optical system structure.
Fig. 2 is the example 1.2 of the utility model optical system structure.
Fig. 3 is the example 2.1 of the utility model optical system structure.
Fig. 4 is the example 2.2 of the utility model optical system structure.
Fig. 5 is the example 3.1 of the utility model optical system structure.
Fig. 6 is the example 3.2 of the utility model optical system structure.
[embodiment]
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
Example one:
Example 1.1:
As shown in Figure 1, described incident ray 7 is through object space reflective optical devices 31 (being the prism aspheric surface plane of incidence 21, the plane of reflection 22 and aspheric surface exit facet 23), turn light rays 45 is spent, through lens set 1, then pass through image space reflective optical devices 32 (being that the image space prism aspheric surface plane of incidence 41, the plane of reflection 42 and aspheric surface exit facet 43 penetrate), emergent ray 8 is parallel to incident ray and upwards enters optical sensor imaging surface 4.
It,, by having the front and back micro-positioning regulators along optical axis of lens set 1 of focussing force, ensures the imaging clearly of image planes.
Example 1.2:
As shown in Figure 2, the present embodiment fundamental sum example 1.1 is similar, and difference is that emergent ray 8 is parallel to incident ray and enters optical sensor imaging surface 4 downwards.
Example two:
Example 2.1:
As shown in Figure 3, incident ray 7 is through object space reflective optical devices 31 (being the aspheric surface plane of incidence 21, reflecting surface 22 and the plane exit facet 23 of prism), light angle turns to 45 degree, through lens set 1, after enter image space reflective optical devices 32 (being the plane plane of incidence 41, the plane of reflection 42 and the aspheric surface exit facet 43 of image space prism), emergent ray 8 is parallel to incident ray and upwards enters optical sensor imaging surface 4.
It,, by having the front and back micro-positioning regulators along optical axis of lens set 3 of focussing force, ensures the imaging clearly of image planes.
Example 2.2:
As shown in Figure 4, the present embodiment is substantially similar with example 2.1, and difference is that emergent ray 8 is parallel to incident ray and enters optical sensor imaging surface 4 downwards.
Example three
Example 3.1:
As shown in Figure 5, incident ray 7 is through the aspheric surface 511,512 of incident lens set 5, through object space reflective optical devices 31 (being the flat square prism plane of incidence 21, reflecting surface 22, exit facet 23), turn to 45 degree, through lens set 1, entering image space reflective optical devices 32 (being the plane prism plane of incidence 51, reflecting surface 52, exit facet 53) rear steering 45 spends, 611,612 of the aspheric surfaces of process ejaculation lens set 6, emergent ray 8 is parallel to beam incident optical induction image forming face 4.
By thering is the front and back micro-positioning regulators along optical axis of lens set 4 of focussing force, ensure the imaging clearly of image planes.
Example 3.2:
As shown in Figure 6, the present embodiment is substantially similar with example 3.1, and difference is that emergent ray 8 is parallel to incident ray and enters optical sensor imaging surface 4 downwards.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These Description of Knowledges are in order to explain principle of the present utility model, and can not be interpreted as by any way protection domain restriction of the present utility model.
Claims (9)
1. an optics focuses structure, it is characterized in that comprising lens set (1), be equipped with the reflective optical devices (3) that light can be reflected at the both ends of object space and image space, be provided with optical sensor imaging surface (4) at the light outgoing plane of the reflective optical devices on the corresponding one side of image space.
2. a kind of optics according to claim 1 focuses structure, it is characterized in that the angle of described reflective optical devices (3) reflection ray is 90 degree.
3. a kind of optics according to claim 1 and 2 focuses structure, it is characterized in that described reflective optical devices (3) is plane of reflection mirror or is the girdle prisms such as right angle.
4. a kind of optics according to claim 1 and 2 focuses structure, it is characterized in that described plane of light incidence and light penetrate in same side or in opposite sides.
5. a kind of optics according to claim 3 focuses structure, it is characterized in that plane of light incidence is plane or sphere or aspheric surface when described reflective optical devices (3) is during for the girdle prism such as right angle, and beam projecting face is plane or sphere or aspheric surface.
6. a kind of optics according to claim 3 focuses structure, and the reflecting surface and the system optical axis angle that described in it is characterized in that, are placed in two reflective optical devices (3) of object space and image space are 45 degree.
7. a kind of optics according to claim 4 focuses structure, it is characterized in that described reflective optical devices (3) includes object space reflective optical devices (31) and image space reflective optical devices (32); Between object space reflective optical devices (31) and incident ray, be provided with incident lens set (5), between image space reflective optical devices (32) and optical sensor imaging surface (4), be provided with and penetrate lens set (6).
8. a kind of optics according to claim 3 focuses structure, it is characterized in that described lens set (1) has a slice lens composition at least.
9. a kind of optics according to claim 7 focuses structure, it is characterized in that described incident lens set (5), ejaculation lens set (6) all have a slice lens composition at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262993.5U CN203870321U (en) | 2014-05-21 | 2014-05-21 | Optical focus-fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262993.5U CN203870321U (en) | 2014-05-21 | 2014-05-21 | Optical focus-fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870321U true CN203870321U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420262993.5U Expired - Lifetime CN203870321U (en) | 2014-05-21 | 2014-05-21 | Optical focus-fixing structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955049A (en) * | 2014-05-21 | 2014-07-30 | 中山联合光电科技有限公司 | Optical fixed-focal-length system |
| CN111308656A (en) * | 2016-07-14 | 2020-06-19 | 大立光电股份有限公司 | Optical camera system group, image capturing device and electronic device |
| CN111856721A (en) * | 2015-10-19 | 2020-10-30 | 三星电机株式会社 | Optical imaging system |
-
2014
- 2014-05-21 CN CN201420262993.5U patent/CN203870321U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955049A (en) * | 2014-05-21 | 2014-07-30 | 中山联合光电科技有限公司 | Optical fixed-focal-length system |
| CN111856721A (en) * | 2015-10-19 | 2020-10-30 | 三星电机株式会社 | Optical imaging system |
| US11280983B2 (en) | 2015-10-19 | 2022-03-22 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| CN111856721B (en) * | 2015-10-19 | 2022-04-19 | 三星电机株式会社 | Optical imaging system |
| CN111308656A (en) * | 2016-07-14 | 2020-06-19 | 大立光电股份有限公司 | Optical camera system group, image capturing device and electronic device |
| CN111308656B (en) * | 2016-07-14 | 2022-03-22 | 大立光电股份有限公司 | Optical camera system group, image capturing device and electronic device |
| US11520123B2 (en) | 2016-07-14 | 2022-12-06 | Largan Precision Co., Ltd. | Optical photographing assembly having five lenses and specified abbe number |
| US11789243B2 (en) | 2016-07-14 | 2023-10-17 | Largan Precision Co., Ltd. | Optical photographing assembly having five lenses and specified field of view |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN LIANHE PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHONGSHAN UNION OPTIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: UNION OPTECH Co.,Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee before: UNION OPTECH Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |