CN109164564A - A kind of light-guide device of band turnover optical path - Google Patents
A kind of light-guide device of band turnover optical path Download PDFInfo
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- CN109164564A CN109164564A CN201810969871.2A CN201810969871A CN109164564A CN 109164564 A CN109164564 A CN 109164564A CN 201810969871 A CN201810969871 A CN 201810969871A CN 109164564 A CN109164564 A CN 109164564A
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- light
- prism
- guide device
- optical path
- substrate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention provides a kind of light-guide device of band turnover optical path, including substrate, substrate are at least partly made of nontransparent dielectric material, and substrate surface is plane, and substrate two sides are staggeredly equipped with the first prism, the second prism respectively, and two prisms section is triangle.The light-guide device can be used in wafer scale optical lens, and product is made to have smaller size, and superior optical characteristics is more conducive to reduce cost.
Description
Technical field
The present invention relates to WLO wafer scale optical fields, and in particular to a kind of optics light-guide device of band turnover optical path.
Background technique
Traditional optical lens are not high to the volume requirement of device, and device size is big.And WLO technique is used, it can effectively contract
Subtract volumetric spaces, while the consistency of device is good, beam quality is high, using semiconductor technology with property after scale of mass production
Valence is than high advantage.
WLO wafer level optical elements refer to wafer grade camera lens manufacturing technology and technique.With the processing skill of traditional optical elements
Art is different, and WLO technique processes camera lens, the pressing of a plurality of lenses wafer in full wafer glass wafer, with semiconductor technology batch duplicating
Together, it is then cut into single camera lens, has the characteristics that size is small, light-weight, height is low, consistency is good.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provide it is a kind of can in wafer plane manufactured band
The light-guide device for optical path of transferring, the light for wafer-level lens guide, and the light-guide device of band turnover optical path includes substrate, substrate
It is at least partly made of nontransparent dielectric material, substrate surface is plane, and substrate two sides are staggeredly equipped with the first prism respectively
With the second prism, two prisms section is triangle.
Each prism includes first side, second side and third side, is connect at the top of first side with second side top,
The third side of each prism is respectively attached to the upper and lower surfaces of substrate, for connecting the first side bottom and second of each prism
Side bottom；The third side of each prism and substrate-parallel.
Optionally, the first prism, the second prism are arranged in substrate two sides spatial vertical.
Optionally, the first side of each prism and the surface of second side are respectively equipped with reflecting layer.
Optionally, include transparent region on substrate, transparent region and nontransparent dielectric material are adjacent, the light that light source issues into
It is defined by transparent region in the region for entering and leaving light-guide device.
Optionally, transparent region is made of transparent solid material, such as glass or transparent polymer.
Optionally, the light-guide device with turnover optical path further includes at least two optical elements, and each optical element is attached respectively
To transparent region or transparent region.
Optionally, the light-guide device with turnover optical path further includes several attachments, and each attachment is respectively attached to transparent
Near region or transparent region, each attachment be at least partly it is transparent, at least one optics is respectively arranged on each attachment
Element.
Optionally, optical element and transparent region are coaxial.
Optionally, transparent region is partly or entirely replaced by opening portion.
Optionally, optical element includes but is not limited to lens, diffraction optical element.
Optionally, the first prism and the second prism, or the one of prism of substitution are substituted by Dove prism.
The light-guide device of band turnover optical path provided by the present invention, can be used in wafer scale optical lens, has product
Smaller size, superior optical characteristics are more conducive to improve cost performance.
Detailed description of the invention
Fig. 1 is the described light-guide device cross section structure schematic diagram with turnover optical path of the embodiment of the present invention one；
Fig. 2 is the described light-guide device cross section structure schematic diagram with turnover optical path of the embodiment of the present invention two；
Fig. 3 is the described light-guide device cross section structure schematic diagram with turnover optical path of the embodiment of the present invention three；
Fig. 4 a, 4b are that two prisms arragement construction is shown in the described light-guide device with turnover optical path of the embodiment of the present invention four
It is intended to；
In conjunction with attached drawing, following explanation is done to appended drawing reference:
1,2, the 3-light-guide device with turnover optical path；10-substrates；11-nontransparent dielectric materials；12-transparent regions；
13-opening portions；20-the first prism；21-the first prism first side；22-the first prism second side；23-the first
Prism third side；211-the first reflecting layer；221-the second reflecting layer；30-the second prism；31-the second the first side of prism
Face；32-the second prism second side；33-the second prism third side；311-third reflecting layer；321-the four reflecting layer；
40-lens wafers one；50-lens wafers two；60-the first attachment；70-the second attachment；80-third attachments；
90-lens elements；100-diffraction optical elements.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, a kind of light-guide device 1 of band turnover optical path, including substrate 10, substrate 10 include nontransparent dielectric material
Material 11 and transparent region 12, nontransparent dielectric material 11 and transparent region 12 are adjacent, and 10 surface of substrate is plane, 10 two sides of substrate
Be staggeredly equipped with the first prism 20 and the second prism 30 respectively, the first prism 20, the second prism 30 section be triangle；Thoroughly
Mirror wafer 1, lens wafer 2 50 are respectively attached to the transparent region 12 of substrate 10, and lens wafer 1, lens wafer
2 50 is coaxial with the transparent region 12 of corresponding attachment, and light ingresses and egresses out the region of the light-guide device 1 with turnover optical path by transparent
It defines in region 12.
First prism 20 includes first side 21, second side 22, third side 23,21 top of first side and second side
It is connected at the top of face 22, third side 23 is attached to the upper surface of substrate 10, for connecting 21 bottom of first side and second side
22 bottoms；The third side 23 of first prism 20 is parallel with the upper surface of substrate 10.
Second prism 30 includes first side 31, second side 32, third side 33,31 top of first side and second side
It is connected at the top of face 32, third side 33 is attached to the lower surface of substrate 10, for connecting 31 bottom of first side and second side
32 bottoms；The third side 33 of second prism 30 is parallel with the lower surface of substrate 10.
Into, pass through and leave with turnover optical path light-guide device 1 optical path it is shown in dotted line: light is via on substrate 10
Lens wafer 1 enters in the light-guide device 1 with turnover optical path, propagates along incident direction, and light incident direction is first party
To propagating when light enters the light-guide device along the direction；First reflecting layer 211 is present in 20 first side 21 of the first prism
Surface on, for redirecting the light propagated along a first direction in the first prism 20, to propagate along second direction, second
Reflecting layer 221 is present on the surface of 20 second side 22 of the first prism, for redirecting in the first prism 20 along second
The light that direction is propagated, to propagate along third direction, third reflecting layer 311 is present in the surface of 30 first side 31 of the second prism
On, for redirecting the light propagated in the second prism 30 along third direction, to propagate along fourth direction, the 4th reflecting layer
321 are present on the surface of 30 second side 32 of the second prism, pass in the second prism 30 along fourth direction for redirecting
The light broadcast, to be propagated along the 5th direction；5th direction is that light leaves direction, when light leaves the light-guide device along the direction
It propagates.
Transparent region 12 is made of transparent solid material, such as glass.
Embodiment two
As shown in Fig. 2, a kind of light-guide device 2 of band turnover optical path, including substrate 10, substrate 10 include nontransparent dielectric material
Material 11, transparent region 12 and opening portion 13, transparent region 12 are made of transparent polymer.Transparent region 12, opening portion 13
Adjacent with nontransparent dielectric material 11 respectively, 10 surface of substrate is plane, and 10 two sides of substrate are staggeredly equipped with the first prism respectively
20 and second prism 30, the first prism 20, the second prism 30 section be triangle.
On the base openings part 13 for closing on the first prism 20, it is attached with the first attachment 60, the first attachment 60
Lens wafer 1 is provided on end face；On the base openings part 13 for closing on the second prism 30, it is attached with the second attachment
70, lens wafer 2 50 is provided on the end face of the second attachment 70.Lens wafer 1, lens wafer 2 50 and its place are attached
The opening portion 13 of the corresponding attachment of fitting is coaxial, and light ingresses and egresses out the region of the light-guide device 2 with turnover optical path by opening portion
13 are divided to define.The end face of first attachment 60, the second attachment 70 end face be made of transparent material.
In light-guide device 2 with turnover optical path, the first prism 20 includes first side 21, second side 22, third side
23, the top of first side 21 with connected at the top of second side 22, third side 23 is attached to 10 surface of substrate, for connection first
22 bottom of 21 bottom of side and second side；The third side 23 of first prism 20 is parallel with the upper surface of substrate 10.
Second prism 30 includes first side 31, second side 32, third side 33,31 top of first side and second side
It is connected at the top of face 32, third side 33 is attached to the lower surface of substrate 10, for connecting 31 bottom of first side and second side
32 bottoms；The third side 33 of second prism 30 is parallel with the lower surface of substrate 10.
Into, pass through and leave with turnover optical path light-guide device 2 optical path it is shown in dotted line: light is via the first attachment
Lens wafer 1 on 60 enters in the light-guide device 1 of band turnover optical path, propagates along incident direction, and light incident direction is the
One direction is propagated when light enters the light-guide device along the direction；First reflecting layer 211 is present in 20 first side of the first prism
On the surface in face 21, for redirecting the light propagated along a first direction in the first prism 20, to be propagated along second direction,
Second reflecting layer 221 is present on the surface of 20 second side 22 of the first prism, for redirect in the first prism 20 along
The light that second direction is propagated, to propagate along third direction, third reflecting layer 311 is present in 30 first side 31 of the second prism
On surface, for redirecting the light propagated in the second prism 30 along third direction, to propagate along fourth direction, the 4th is anti-
It penetrates layer 321 to be present on the surface of 30 second side 32 of the second prism, for redirecting in the second prism 30 along four directions
To the light of propagation, to be propagated along the 5th direction；5th direction is that light leaves direction, when light leaves the light-guide device via the
Lens wafer 2 50 on two attachments 70, is propagated along the direction.
Embodiment three
As shown in figure 3, a kind of light-guide device 3 of band turnover optical path, including substrate 10, substrate 10 include nontransparent dielectric material
Material 11 and opening portion 13, opening portion 13 and nontransparent dielectric material 11 are adjacent, and 10 surface of substrate is plane, 10 two sides of substrate
Be staggeredly equipped with the first prism 20 and the second prism 30 respectively, the first prism 20, the second prism 30 section be triangle.
On the base openings part 13 for closing on the first prism 20, it is attached with the first attachment 60, the first attachment 60
Lens wafer 1 is provided on end face；On the base openings part 13 for closing on the second prism 30, it is attached with third attachment
80, lens element 90 and diffraction optical element 100 are respectively arranged on the middle part and end face of third attachment 80.Lens wafer one
40 and lens element 90, diffraction optical element 100 and its where the corresponding attachment of attachment opening portion 13 it is coaxial, light entrance and
It is defined by opening portion 13 in the region for leaving the light-guide device 3 with turnover optical path.The end face of first attachment 60, third attachment
80 end face is made of transparent material.
In light-guide device 3 with turnover optical path, the first prism 20 includes first side 21, second side 22, third side
23, the top of first side 21 with connected at the top of second side 22, third side 23 is attached to 10 surface of substrate, for connection first
22 bottom of 21 bottom of side and second side；The third side 23 of first prism 20 is parallel with the upper surface of substrate 10.
Second prism 30 includes first side 31, second side 32, third side 33,31 top of first side and second side
It is connected at the top of face 32, third side 33 is attached to the lower surface of substrate 10, for connecting 31 bottom of first side and second side
32 bottoms；The third side 33 of second prism 30 is parallel with the lower surface of substrate 10.
Into, pass through and leave with turnover optical path light-guide device 3 optical path it is shown in dotted line: light is via the first attachment
Lens wafer 1 on 60 enters in the light-guide device 1 of band turnover optical path, propagates along incident direction, and light incident direction is the
One direction is propagated when light enters the light-guide device along the direction；First reflecting layer 211 is present in 20 first side of the first prism
On the surface in face 21, for redirecting the light propagated along a first direction in the first prism 20, to be propagated along second direction,
Second reflecting layer 221 is present on the surface of 20 second side 22 of the first prism, for redirect in the first prism 20 along
The light that second direction is propagated, to propagate along third direction, third reflecting layer 311 is present in 30 first side 31 of the second prism
On surface, for redirecting the light propagated in the second prism 30 along third direction, to propagate along fourth direction, the 4th is anti-
It penetrates layer 321 to be present on the surface of 30 second side 32 of the second prism, for redirecting in the second prism 30 along four directions
To the light of propagation, to be propagated along the 5th direction；5th direction is that light leaves direction, when light leaves the light-guide device via the
Lens element 90 and diffraction optical element 100 on three attachments 80, are propagated along the direction.
Example IV
Fig. 4 a is a kind of light-guide device structural front view of band turnover optical path, and Fig. 4 b is that Fig. 4 a rotates by a certain angle counterclockwise
Structural schematic diagram afterwards.
In the embodiment, the first prism and the orthogonal setting in space of the second prism, as shown in Fig. 4 a, 4b, each rib
Mirror includes first side, second side and third side, is connect at the top of first side with second side top, the third of each prism
Side is respectively attached to the upper and lower surfaces of a substrate, for connecting first side bottom and second side bottom；First prism with
Second prism above and below substrate two sides vertical interlaced be arranged, the first prism, the second prism section be triangle；Each prism
Third side is parallel to substrate.
The structure of substrate and the optical element being attached on substrate and/or attachment is any to embodiment three with embodiment one
Structure described in embodiment or combinations thereof is identical.
The difference is that, in the present embodiment, the third side of the first prism is along its length with embodiment one to three
Center line and the center space of lines of the second prism third side along its length are orthogonal；By by the first prism and the second rib
Mirror is vertically arranged in space, can be substantially reduced the volume of light-guide device, the more conducively miniaturization of optical articles.
In above-described embodiment one to four, the first prism and the second prism in light-guide device can be substituted by Dove prism,
Or only substitute one of prism；Other modular constructions are identical as corresponding component structure in embodiment one to four.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of light-guide device of band turnover optical path, including substrate, substrate are at least partly made of nontransparent dielectric material, base
Plate surface is plane, it is characterised in that: substrate two sides are staggeredly equipped with the first prism and the second prism respectively, and two prisms section is equal
For triangle.
2. a kind of light-guide device of band turnover optical path according to claim 1, it is characterised in that: each prism includes the first side
Face, second side and third side, first side top and second side top are connect, and the third side of each prism is attached respectively
To the upper and lower surfaces of substrate, for connecting first side bottom and second side bottom, each prism third side and substrate are flat
Row.
3. a kind of light-guide device of band turnover optical path according to claim 2, it is characterised in that: the first prism, the second rib
Mirror is arranged in substrate two sides spatial vertical.
4. according to a kind of described in any item light-guide devices of band turnover optical path of claim 2-3, it is characterised in that: each prism
The surface of first side and second side is respectively equipped with reflecting layer.
5. a kind of light-guide device of band turnover optical path according to claim 1-3, it is characterised in that: wrapped on substrate
Transparent region is included, transparent region and nontransparent dielectric material are adjacent.
6. a kind of light-guide device of band turnover optical path according to claim 5, it is characterised in that: further include at least two light
Element is learned, each optical element is respectively attached near transparent region or transparent region.
7. a kind of light-guide device of band turnover optical path according to claim 5, it is characterised in that: further include several attachments
Part, each attachment are respectively attached near transparent region or transparent region, and each attachment is at least partly transparent, each attachment
On be respectively arranged at least one optical element.
8. a kind of light-guide device of band turnover optical path according to claim 6 or 7, it is characterised in that: optical element and thoroughly
Area pellucida domain is coaxial.
9. a kind of light-guide device of band turnover optical path according to claim 6 or 7, it is characterised in that: optical element includes
Lens, diffraction optical element.
10. a kind of light-guide device of band turnover optical path according to claim 5, it is characterised in that: transparent region part or
All replaced by opening portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969871.2A CN109164564A (en) | 2018-08-24 | 2018-08-24 | A kind of light-guide device of band turnover optical path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969871.2A CN109164564A (en) | 2018-08-24 | 2018-08-24 | A kind of light-guide device of band turnover optical path |
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| Publication Number | Publication Date |
|---|---|
| CN109164564A true CN109164564A (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969871.2A Pending CN109164564A (en) | 2018-08-24 | 2018-08-24 | A kind of light-guide device of band turnover optical path |
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| CN2620291Y (en) * | 2003-03-05 | 2004-06-09 | 力捷电脑股份有限公司 | Image search device with regular octahedron mirror |
| CN2896309Y (en) * | 2006-03-28 | 2007-05-02 | 达方电子股份有限公司 | Light-guide module |
| CN103713383A (en) * | 2013-12-18 | 2014-04-09 | 合肥知常光电科技有限公司 | Auxiliary device for light beam accurate guidance and calibration |
| CN205620297U (en) * | 2016-05-10 | 2016-10-05 | 大连市艾科微波光电子工程研究有限公司 | A laser check out test set that is used for appearance gas device of laser check out test set and includes it |
| CN107132645A (en) * | 2016-02-29 | 2017-09-05 | 西安诺瓦电子科技有限公司 | Image detection device and optics cavity |
| CN107132644A (en) * | 2016-02-29 | 2017-09-05 | 西安诺瓦电子科技有限公司 | Image detection device and optics cavity |
-
2018
- 2018-08-24 CN CN201810969871.2A patent/CN109164564A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392431A (en) * | 2001-06-14 | 2003-01-22 | 力捷电脑股份有限公司 | Modular light conducting device and producing method |
| CN2620291Y (en) * | 2003-03-05 | 2004-06-09 | 力捷电脑股份有限公司 | Image search device with regular octahedron mirror |
| CN2896309Y (en) * | 2006-03-28 | 2007-05-02 | 达方电子股份有限公司 | Light-guide module |
| CN103713383A (en) * | 2013-12-18 | 2014-04-09 | 合肥知常光电科技有限公司 | Auxiliary device for light beam accurate guidance and calibration |
| CN107132645A (en) * | 2016-02-29 | 2017-09-05 | 西安诺瓦电子科技有限公司 | Image detection device and optics cavity |
| CN107132644A (en) * | 2016-02-29 | 2017-09-05 | 西安诺瓦电子科技有限公司 | Image detection device and optics cavity |
| CN205620297U (en) * | 2016-05-10 | 2016-10-05 | 大连市艾科微波光电子工程研究有限公司 | A laser check out test set that is used for appearance gas device of laser check out test set and includes it |
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Application publication date: 20190108 |