CN109031675A - A kind of cross extender lens system and its processing method - Google Patents
A kind of cross extender lens system and its processing method Download PDFInfo
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- CN109031675A CN109031675A CN201811081098.2A CN201811081098A CN109031675A CN 109031675 A CN109031675 A CN 109031675A CN 201811081098 A CN201811081098 A CN 201811081098A CN 109031675 A CN109031675 A CN 109031675A
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- extender lens
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- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 55
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000001259 photo etching Methods 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001795 light effect Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
System of the present invention provides a kind of cross extender lens system and its processing method, prepares the coining template of lenticule unit, the length and width of coining template are a, and the raised line of several a length of a is equidistantly distributed on impression block；A layer photoresist is coated in the one side for the optical substrate that area is ma*na；Module will be imprinted with corresponding placing direction according to demand to depress m*n times；By heating or the cured mode of UV by photoetching adhesive curing, concave-convex photoresist cured layer is formed；The photoresist on optical substrate is etched, until the depressed section of photoresist cured layer is removed；Optical substrate is etched, outer optical substrate is exposed to and is etched to form light modulation groove；The photoresist on optical substrate is etched, extender lens is obtained.The present invention can effectively carry out light source expanding adjustment, and overall structure is simple, and thickness is small, weight is low, it is good expand effect, and even light effect is good, and processing and forming is convenient, high in machining efficiency.
Description
Technical field
The present invention relates to lens system, a kind of cross extender lens system and its processing method are specifically disclosed.
Background technique
Extender lens is the lens subassembly that can change laser beam spot sizes and the angle of divergence.On-vehicle lamp, mobile phone etc. are usually
It will use the optical system for being capable of forming cross hot spot, this optical system is generally made of light source and extender lens system.
For the cross lens system expanded, there are mainly two types of modes in the prior art: one, using two simple lens groups
It closes, each simple lens, which is set to accurate location, could effectively play the effect of expanding, and the structure of this extender lens system is more multiple
Miscellaneous, expanded beam capabilities are related with the focal length of simple lens each in system, it is desirable to obtain big expanding and compare, need using bigbore
Mirror, will increase the volume and weight of extender lens system in this way, and the extender lens system of bulky is applied to on-vehicle lamp meeting
Increasing car body weight will affect layout designs simultaneously, for the mobile phone of more thin design, existing this extender lens
System is even more to be not suitable for；Two, using the lens with two-dimensional structure, but the processing of this lens is complicated, and production difficulty is high,
Cause high production cost, production efficiency low.
Summary of the invention
Based on this, it is necessary to it is directed to prior art problem, a kind of cross extender lens system and its processing method are provided,
Structure is simple, and thickness is small, weight is low, it is good to expand effect, and the uniformity is high.
To solve prior art problem, the present invention discloses a kind of cross extender lens system, including extender lens, expands
Lens include m*n lenticule units, and m and n are the integer greater than 1, and the length and width of lenticule unit are a, along micro-
The light modulation groove for being arranged with several a length of a on one side of mirror unit incidence surface, all equidistant parallelly distribute ons of light modulation groove.
Further, the lens arrangement that extender lens is integrally formed.
Further, the side length a of lenticule unit is 0.2~1mm.
Further, the depth for dimming groove is 0.02~0.1mm.
Further, section of the lenticule unit incidence surface on light modulation groove arrangement direction is cosine function figure.
Further, the light modulation groove lenticule unit parallel with first direction is the first lenticule, light modulation groove and the
The parallel lenticule unit in two directions is that the second lenticule, first direction and second direction are being mutually perpendicular to, and the first lens are equipped with i
A, the second lens are equipped with j, and i and j are natural number, i+j=m*n.
Further, m=n.
Further, the side of extender lens incidence surface is equipped with a light source, and light source is located at the optical axis of extender lens.
Invention additionally discloses a kind of processing methods of cross extender lens system, successively the following steps are included:
A, prepare the coining template of lenticule unit, the length and width of coining template are a, are equidistantly distributed on impression block several
The raised line of a length of a, raised line are parallel with one side of impression block；
B, a layer photoresist is coated in the one side for the optical substrate that area is ma*na, m and n are the integer greater than 1；
C, the photoresist of the raised line of impression block towards optical substrate is depressed, according to demand with corresponding placing direction by making ide
Block is depressed m*n times, and the position of each impression block pressure is not overlapped, and the photoresist on optical substrate forms concave-convex coining shape
Shape；
D, photoetching adhesive curing is formed by concave-convex photoresist cured layer by heating or the cured mode of UV；
E, the photoresist on optical substrate is etched, until the depressed section of photoresist cured layer is removed, the surface of optical substrate
It is exposed to outside, only the convex portion of surplus photoresist cured layer；
F, optical substrate is etched, outer optical substrate is exposed to and is etched to form light modulation groove；
G, the photoresist on optical substrate is etched, until all photoresists on optical substrate are all removed, obtains extender lens.
Further, in step C, impression block is depressed i times with the direction that raised line is parallel with first direction, with raised line
Parallel with second direction direction depresses impression block j times, i+j=m*n, extender lens in a first direction with second direction
Illumination ratio is that j:i, i and j are natural number.
The invention has the benefit that the present invention discloses a kind of cross extender lens system and its processing method, setting
Special microlens array structure can effectively carry out light source expanding adjustment, and overall structure is simple, and thickness is small, weight is low, expand
Shu Xiaoguo is good, and even light effect is good, as broad as long lenticule unit can in both directions in any one direction arrangement, spell
The column that run in are capable of forming the lens arrangement of rule, and design combination is easy；And to each lenticule list by way of nano impression
Member is processed, and just can form different permutation and combination structures, processing and forming side according to demand after making a coining template
Just, high in machining efficiency.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the structural schematic diagram of lenticule unit in the present invention.
Fig. 3 is the schematic diagram of the section structure of present invention A-A ' along Fig. 2.
Fig. 4 is the schematic view of the front view of extender lens in implementation of an application example one of the present invention.
Fig. 5 is the light spot illumination figure of implementation of an application example one of the present invention.
Fig. 6 is the schematic view of the front view of extender lens in implementation of an application example two of the present invention.
Fig. 7 is the light spot illumination figure of implementation of an application example two of the present invention.
Fig. 8 is the schematic view of the front view of extender lens in implementation of an application example three of the present invention.
Fig. 9 is the light spot illumination figure of implementation of an application example three of the present invention.
Figure 10 is the schematic view of the front view of extender lens in implementation of an application example four of the present invention.
Figure 11 is the light spot illumination figure and corresponding Illumination Distribution figure of implementation of an application example four of the present invention.
Figure 12 is the schematic view of the front view of extender lens in implementation of an application example five of the present invention.
Figure 13 is the light spot illumination figure and corresponding Illumination Distribution figure of implementation of an application example five of the present invention.
Appended drawing reference are as follows: extender lens 10, lenticule unit 20, light modulation groove 21, lens mount 40.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, below with reference to
Present invention is further described in detail with specific embodiment for attached drawing.
Referring to figs. 1 to Figure 13.
The embodiment of the present invention discloses a kind of cross extender lens system, as shown in Figures 1 to 3, including extender lens 10, expand
Beam lens 10 include m*n lenticule units 20, and m and n are the integer greater than 1, and the length and width of lenticule unit 20 are
A, along the light modulation groove 21 for being arranged with several a length of a on one side of 20 incidence surface of lenticule unit, i.e., the trend of light modulation groove 21 with
Dim vertical, all equidistant parallelly distribute on of light modulation groove 21 of the orientation of groove 21.
Special microlens array structure is arranged in the present invention, can effectively carry out expanding adjustment, overall structure letter to light source
Single, thickness is small, weight is low, it is good to expand effect, and even light effect is good, as broad as long lenticule unit can in both directions in
The arrangement of any one direction, splicing arrangement is capable of forming the lens arrangement of rule, and design combination is easy；And pass through nano impression
Mode processes each lenticule unit, just can form different arrangement groups according to demand after making a coining template
Structure is closed, processing and forming is convenient, high in machining efficiency.
In the present embodiment, the lens arrangement that extender lens 10 is integrally formed can effectively improve 10 knot of extender lens
The stability of structure.
In the present embodiment, the side length a of lenticule unit 20 is 0.2~1mm, i.e. length and width are all a, it is preferable that a=
0.2mm。
In the present embodiment, dim groove 21 depth be 0.02~0.1mm, it is preferable that light modulation groove 21 depth be
0.2mm。
In the present embodiment, section of 20 incidence surface of lenticule unit in light modulation 21 orientation of groove is cosine function
The incidence surface of figure, round and smooth not tooth angle is more preferable to the dimming effect of light, can further increase by the formed light of lens
The properties of line.
In the present embodiment, the light modulation groove 21 lenticule unit 20 parallel with first direction is the first lenticule 11, is adjusted
The lenticule unit 20 parallel with second direction of light groove 21 is that the second lenticule 12, first direction and second direction are mutually being hung down
Directly, the first lens 11 are equipped with i, and the second lens 12 are a equipped with j, i and the equal natural number of j, i+j=m*n.
In the present embodiment, m=n.
When practical application, it is based on any of the above-described embodiment, the side of 10 incidence surface of extender lens is equipped with a light source 30, i.e.,
Light source 30 is located at the incidence surface side of lenticule unit 20, and light source 30 is located at the optical axis of extender lens 10, and extender lens 10 is set
It being placed on lens mount 40, the center of extender lens 10 is corresponding with the center of lens mount 40, there is following implementation of an application example:
Implementation of an application example one, as shown in figure 4, m=n=5, the depth of lenticule unit 20 is a=0.2mm, light modulation groove 21
Depth is 0.02mm, and the first lenticule 11 is equipped with i=25, j=0, and the hot spot of formation as shown in figure 5, to expand in a second direction
The "-" type hot spot of beam, the special shape of the cross hot spot of "-" type hot spot.
Implementation of an application example two, as shown in fig. 6, m=n=5, the depth of lenticule unit 20 is a=0.2mm, dims groove
21 depth is 0.02mm, and the first lenticule 11 is equipped with i=24, and the second lenticule 12 is equipped with j=1, the second lenticule 12
Positioned at the center of lens mount, the hot spot of formation is as shown in Figure 7.
Implementation of an application example three, as shown in figure 8, m=n=5, the depth of lenticule unit 20 is a=0.2mm, dims groove
21 depth is 0.02mm, and the first lenticule 11 is equipped with i=21, and the second lenticule 12 is equipped with j=4, and four second micro-
Mirror 12 is located at the surrounding at 10 center of lens mount, and the hot spot of formation is as shown in Figure 9.
Implementation of an application example four, as shown in Figure 10, m=n=5, the depth of lenticule unit 20 is a=0.2mm, dims groove
21 depth is 0.02mm, and the first lenticule 11 is equipped with i=15, and the second lenticule 12 is equipped with j=10, and five first micro-
Mirror 11 is arranged in a first lenticule group along first direction, and five the second lenticules 12 arrange to form one along first direction
Two lenticule groups, the first lenticule group are arranged alternately in a second direction with the second lenticule group, the light spot illumination figure and photograph of formation
It is as shown in figure 11 to spend distribution map, it is known that the illumination of second direction is slightly larger than the illumination of first direction.
Implementation of an application example five, as shown in figure 12, m=n=5, the depth of lenticule unit 20 is a=0.2mm, dims groove
21 depth is 0.02mm, and the first lenticule 11 is equipped with i=13, and the second lenticule 12 is equipped with j=12, the first lenticule 11
It is arranged alternately with the second lenticule 12, the light spot illumination figure and Illumination Distribution figure of formation are as shown in figure 13, it is known that first direction
The illumination of illumination and second direction is almost equal.
The processing method that a kind of cross extender lens system is also disclosed in the embodiment of the present invention, successively the following steps are included:
A, prepare the coining template of lenticule unit 20, the length and width of coining template are a, if being equidistantly distributed on impression block
The raised line of a length of a is done, raised line is parallel with one side of impression block；
B, a layer photoresist is coated in the one side for the optical substrate that area is ma*na, m and n are the integer greater than 1；
C, the photoresist of the raised line of impression block towards optical substrate is depressed, according to demand with corresponding placing direction by making ide
Block is depressed m*n times, and m, n are the integer greater than 1, and the position of each impression block pressure is not overlapped, the light on optical substrate
Photoresist forms concave-convex coining shape；
D, photoetching adhesive curing is formed by concave-convex photoresist cured layer by heating or the cured mode of UV；
E, the photoresist on optical substrate is etched, until the depressed section of photoresist cured layer is removed, the surface of optical substrate
It is exposed to outside, only the convex portion of surplus photoresist cured layer；
F, optical substrate is etched, outer optical substrate is exposed to and is etched to form light modulation groove 21；
G, the photoresist on optical substrate is etched, until all photoresists on optical substrate are all removed, obtains extender lens
10。
Based on the above embodiment, in step C, impression block is depressed i times with the direction that raised line is parallel with first direction,
Impression block is depressed j times with the direction that raised line is parallel with second direction, i, j are natural number, i+j=m*n, extender lens 10
In a first direction it is j:i, i.e. j/i with the illumination of second direction ratio, applies needs according to different, be arranged according to the formula of degree ratio
Different directions have different numbers to imprint.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of cross extender lens system, which is characterized in that including extender lens (10), the extender lens (10) includes
M*n lenticule units (20), m and n are the integer greater than 1, and the length and width of the lenticule unit (20) are a, edge
The light modulation groove (21) for being arranged with several a length of a on one side of lenticule unit (20) incidence surface, all light modulations are recessed
Slot (21) equidistant parallelly distribute on.
2. a kind of cross extender lens system according to claim 1, which is characterized in that the extender lens (10) is
Integrally formed lens arrangement.
3. a kind of cross extender lens system according to claim 1, which is characterized in that the lenticule unit (20)
Side length a be 0.2~1mm.
4. a kind of cross extender lens system according to claim 3, which is characterized in that light modulation groove (21)
Depth is 0.02~0.1mm.
5. a kind of cross extender lens system according to claim 1, which is characterized in that the lenticule unit (20)
Section of the incidence surface in described light modulation groove (21) orientation is cosine function figure.
6. a kind of cross extender lens system according to claim 1, which is characterized in that the light modulation groove (21) with
The parallel lenticule unit (20) of first direction is the first lenticule (11), and the light modulation groove (21) and second direction are flat
The capable lenticule unit (20) is the second lenticule (12), and first direction and second direction are being mutually perpendicular to, described first
Lens (11) are equipped with i, and second lens (12) are equipped with j, and i and j are natural number, i+j=m*n.
7. a kind of cross extender lens system according to claim 6, which is characterized in that m=n.
8. a kind of cross extender lens system according to claim 1, which is characterized in that the extender lens (10) enters
The side of smooth surface is equipped with a light source (30), and the light source (30) is located at the optical axis of the extender lens (10).
9. a kind of processing method of cross extender lens system, which is characterized in that successively the following steps are included:
A, prepare the coining template of lenticule unit (20), the length and width of coining template are a, are equidistantly distributed on impression block
The raised line of several a length of a, raised line are parallel with one side of impression block；
B, a layer photoresist is coated in the one side for the optical substrate that area is ma*na, m and n are the integer greater than 1；
C, the photoresist of the raised line of impression block towards optical substrate is depressed, according to demand with corresponding placing direction by making ide
Block is depressed m*n times, and the position of each impression block pressure is not overlapped, and the photoresist on optical substrate forms concave-convex coining shape
Shape；
D, photoetching adhesive curing is formed by concave-convex photoresist cured layer by heating or the cured mode of UV；
E, the photoresist on optical substrate is etched, until the depressed section of photoresist cured layer is removed, the surface of optical substrate
It is exposed to outside, only the convex portion of surplus photoresist cured layer；
F, optical substrate is etched, outer optical substrate is exposed to and is etched to form light modulation groove (21)；
G, the photoresist on optical substrate is etched, until all photoresists on optical substrate are all removed, obtains extender lens
(10)。
10. a kind of processing method of cross extender lens system according to claim 9, which is characterized in that in step C
In, impression block is depressed i times with the direction that raised line is parallel with first direction, will be pressed with the direction that raised line is parallel with second direction
Die plate is depressed j times, i+j=m*n, and the extender lens (10) is in a first direction j:i, i and j with the illumination of second direction ratio
It is natural number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081098.2A CN109031675A (en) | 2018-09-17 | 2018-09-17 | A kind of cross extender lens system and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081098.2A CN109031675A (en) | 2018-09-17 | 2018-09-17 | A kind of cross extender lens system and its processing method |
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| CN109031675A true CN109031675A (en) | 2018-12-18 |
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|---|---|---|---|
| CN201811081098.2A Pending CN109031675A (en) | 2018-09-17 | 2018-09-17 | A kind of cross extender lens system and its processing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201749249U (en) * | 2010-05-31 | 2011-02-16 | 西安大昱光电科技有限公司 | 9-Times solar energy condensation composite lens |
| KR20130040088A (en) * | 2011-10-13 | 2013-04-23 | 경북대학교 산학협력단 | Double stack micro lens array |
| CN203421618U (en) * | 2013-08-26 | 2014-02-05 | 张家港康得新光电材料有限公司 | Microstructure of stauroscope |
| CN103969832A (en) * | 2014-05-27 | 2014-08-06 | 哈尔滨工业大学 | Laser beam-expanding dodging device based on microlens array |
| CN106842815A (en) * | 2017-04-06 | 2017-06-13 | 中国科学院光电技术研究所 | A kind of method that double-sided alignment shaping naked eye three-dimensional shows thin-film device |
| CN208795946U (en) * | 2018-09-17 | 2019-04-26 | 广东烨嘉光电科技股份有限公司 | A kind of cross extender lens system |
-
2018
- 2018-09-17 CN CN201811081098.2A patent/CN109031675A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201749249U (en) * | 2010-05-31 | 2011-02-16 | 西安大昱光电科技有限公司 | 9-Times solar energy condensation composite lens |
| KR20130040088A (en) * | 2011-10-13 | 2013-04-23 | 경북대학교 산학협력단 | Double stack micro lens array |
| CN203421618U (en) * | 2013-08-26 | 2014-02-05 | 张家港康得新光电材料有限公司 | Microstructure of stauroscope |
| CN103969832A (en) * | 2014-05-27 | 2014-08-06 | 哈尔滨工业大学 | Laser beam-expanding dodging device based on microlens array |
| CN106842815A (en) * | 2017-04-06 | 2017-06-13 | 中国科学院光电技术研究所 | A kind of method that double-sided alignment shaping naked eye three-dimensional shows thin-film device |
| CN208795946U (en) * | 2018-09-17 | 2019-04-26 | 广东烨嘉光电科技股份有限公司 | A kind of cross extender lens system |
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