CN102096125A - Manufacturing method and device of light-focusing Fresnel lens - Google Patents
Manufacturing method and device of light-focusing Fresnel lens Download PDFInfo
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- CN102096125A CN102096125A CN2011100071342A CN201110007134A CN102096125A CN 102096125 A CN102096125 A CN 102096125A CN 2011100071342 A CN2011100071342 A CN 2011100071342A CN 201110007134 A CN201110007134 A CN 201110007134A CN 102096125 A CN102096125 A CN 102096125A
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- mold pressing
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- clear glasses
- fresnel lenses
- pressing roll
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Abstract
The invention discloses a manufacturing method and device of a light-focusing Fresnel lens. The method provided by the invention comprises the following steps: (1) providing a clean and ultrawhite glass substrate and spraying a selected material on the upper surface of the ultrawhite glass substrate so as to form a coating layer with a preset width; (2) adopting a cylindrical die-pressing roller of which one outer side surface is in the shape of the surface of the light-focusing Fresnel lens to carry out rolling and die-pressing on the coating layer; and (3) curing the coating layer after being rolled and die-pressed. In the manufacturing method of the light-focusing Fresnel lens provided by the invention, the production speed is high, the demoulding is simple, the produced Fresnel lens does not have air holes almost and the practicability is strong.
Description
Technical field
The present invention relates to the condensation photovoltaic field, relate in particular to a kind of manufacture method and device of optically focused Fresnel Lenses.
Background technology
Along with the enhancing of the day by day exhausted and human environmental consciousness of global fossil energy, be that the solar electrical energy generation cause of core has had development at full speed in recent years with the photovoltaic.But the price of solar power system is high always, and its main cause is because the density of sun power is low, and the transformation efficiency of solar cell is not high.In order to reduce the price of solar power system, the high concentration solar photovoltaic power generation technology arises at the historic moment.The concentrating photovoltaic power generation technology combines traditional solar energy power technology with extensive heat build-up solar power plant, can greatly strengthen solar energy production.Concentrating photovoltaic power generation technology scioptics or reflector amplify hundreds and thousands of times with the sun power that receives, then with the energy focusing of amplifying on the high little photoelectric cell of efficient.By amplifying sun power, this technology has reduced the consumption of semiconductor material in the photoelectric cell effectively.This technology is lowering the solar power station cost significantly and is realizing having very big advantage aspect the large-scale production rapidly.
In sun optically focused field, Fresnel Lenses is one of optics important in the concentration photovoltaic system.During design, the focus of Fresnel Lenses just drops on the solar chip.Therefore, when Fresnel Lenses face vertical plane to the solar time, light will be focused on the solar battery chip, has converged more energy, thereby needs less battery chip area, has saved cost greatly.
Adopt the method for mould pressing method to make polymethylmethacrylate (Polymethyl Methacrylate in the prior art one, PMMA) etc. soft base material is configured as the film with Fresnel Lenses surface configuration, this film is attached to makes required Fresnel Lenses on the ultra-clear glasses then.Though the speed of production of this production method is fast, also need film is attached on the ultra-clear glasses after producing film, to having relatively high expectations of technology.
Adopting rigid base material such as ultra-clear glasses in the prior art two is material, it is impressed to affix one's seal with the once-forming be Fresnel Lenses.This method needs the impression of a dull and stereotyped mirror mould, the production difficulty is lower, but the speed of production of the method is slow, and the accuracy requirement to dull and stereotyped mirror mould is higher, in addition, also can adopt many dull and stereotyped mirror moulds to be integrated into a big mould and impress,, exist first demoulding trace and demoulding difficulty, pore to get rid of shortcomings such as difficulty though speed of production can be accelerated.
Summary of the invention
The embodiment of the invention provides a kind of manufacture method and device of optically focused Fresnel Lenses, be used for solving prior art one because the big problem of technology difficulty that needs secondary forming to bring, solve simultaneously that the production method speed of production that prior art two provided is slow, the demoulding is difficult and pore is got rid of the problem of difficulty.There is pore hardly in the Fresnel Lenses that the manufacture method speed of production of optically focused Fresnel Lenses provided by the present invention is fast, the demoulding simple, produce.
A kind of manufacture method of optically focused Fresnel Lenses comprises: step 1: a clean ultra-clear glasses substrate is provided, has the overlay of preset width and predetermined thickness at described ultra-clear glasses upper surface of base plate spraying selected material with formation one deck; Step 2: adopting an outer surface is that the cylindrical mold pressing roll of optically focused Fresnel Lenses surface configuration is to the mold pressing of rolling of described overlay; Step 3: solidify by the overlay after the rolling mold pressing.
Before described step 1, also comprise: described ultra-clear glasses substrate is destaticed program.
Described step 2 also comprises: on described ultra-clear glasses substrate, described cylindrical mold pressing roll both sides respectively are symmetrical arranged at least two balance wheels, described balance wheel and described cylindrical mold pressing roll are rolled to same direction with respect to described ultra-clear glasses substrate and are rolled with same speed.
When described selected material was silicone adhesive, described step 3 comprised: made its curing so that the predetermined temperature baking is described by the overlay after the rolling mold pressing.
Described predetermined temperature range is 70 to 150 degrees centigrade.
When described selected material was light binding, described step 3 comprised: made its curing so that the curing wavelength irradiate light of described light binding is described by the overlay after the rolling mold pressing.
A kind of optically focused Fresnel Lenses manufacturing installation provided by the invention comprises: horizontal transmission device 2, sprayer 3, cylindrical mold pressing roll 5 and solidification equipment 7; Described horizontal transmission device 2 is used for along fixing transmission direction horizontal transmission one a ultra-clear glasses substrate; At described horizontal transmission device 2 upsides, be disposed with sprayer 3, cylindrical mold pressing roll 5 and solidification equipment 7 along the transmission direction of described horizontal transmission device 2; The spraying mouth along continuous straight runs of described sprayer 3 arrives the distance of the arbitrary end of travelling belt of described horizontal transmission device 2 all more than or equal to the length of described ultra-clear glasses substrate; Described sprayer 3 is used at described ultra-clear glasses upper surface of base plate spraying selected material and forms the overlay that one deck has preset width and predetermined thickness; Described cylindrical mold pressing roll 5 is positioned at the predetermined altitude of described horizontal transmission device 2 tops; The axle and the travelling belt of described horizontal transmission device 2 plane parallel of living in and perpendicular of described cylindrical mold pressing roll 5 with described travelling belt; The outer surface of described cylindrical mold pressing roll is an optically focused Fresnel Lenses surface configuration, is used for the mold pressing of rolling of the overlay on the described ultra-clear glasses substrate; Described solidification equipment 7 is used for the overlay after described cylindrical mold pressing roll rolling mold pressing is cured.
Described preset width is less than the width of described ultra-clear glasses substrate; Described optically focused Fresnel Lenses manufacturing installation also comprise four identical and be symmetricly set in the balance wheel 6 of described cylindrical mold pressing roll 5 both sides; The line of centres of described four balance wheels 6 forms a rectangle, the axle of one side of described rectangle and described cylindrical mold pressing roll 5 is parallel, and the length on one side parallel with the axle of cylindrical mold pressing roll 5 of described rectangle is between the width of the width of described ultra-clear glasses substrate and described overlay; Distance between the travelling belt of the center of circle of arbitrary described balance wheel 6 and described horizontal transmission device 2 equals the thickness sum of the radius and the described ultra-clear glasses substrate of described balance wheel 6; Described balance wheel 6 rolls with same speed to same direction with respect to described ultra-clear glasses substrate with described cylindrical mold pressing roll 5.
When described selected material was silicone adhesive, described solidification equipment was a baking box.
When described selected material was light binding, described solidification equipment was the lamp of the curing wavelength of described light binding for the emergent light wavelength.
The manufacture method of optically focused Fresnel Lenses provided by the invention adopts cylindrical mold pressing roll to the mold pressing of rolling of the overlay of ultra-clear glasses upper surface, with respect to prior art, the Fresnel Lenses once-forming that this method is made, need not extra knockout course, speed of production is fast, technology is simple, and the pore in the lens is few, and practicality is very strong.
Description of drawings
The manufacture method process flow diagram of a kind of optically focused Fresnel Lenses that Fig. 1 provides for the embodiment of the invention;
Fig. 2 sprays the side schematic view that selected material forms overlay 22 on ultra-clear glasses 21;
Fig. 3 is the vertical view that S1 shown in Figure 1 carries out the back ultra-clear glasses;
The schematic side view of in the method that Fig. 4 A provides for the embodiment of the invention overlay being carried out mold pressing;
The schematic top plan view of in the method that Fig. 4 B provides for the embodiment of the invention overlay being carried out mold pressing;
A kind of optically focused Fresnel Lenses manufacturing installation side view that Fig. 5 provides for the embodiment of the invention;
A kind of optically focused Fresnel Lenses manufacturing installation side view that Fig. 6 provides for the embodiment of the invention with 4 balance wheels;
Drawing reference numeral:
1, ultra-clear glasses substrate
2, horizontal transmission device
3, sprayer
4, overlay
5, cylindrical mold pressing roll
6, balance wheel
7, solidification equipment
8, ultra-clear glasses substrate
9, top board.
Embodiment
Below in conjunction with accompanying drawing, specify the specific embodiment of the present invention.
Figure 1 shows that the manufacture method process flow diagram of a kind of optically focused Fresnel Lenses that the embodiment of the invention provides, this method may further comprise the steps:
S1: a clean ultra-clear glasses substrate is provided, has the overlay of preset width and predetermined thickness at described ultra-clear glasses upper surface of base plate spraying selected material with formation one deck.
Fig. 2 is the side schematic view that the spraying selected material forms overlay 4 on ultra-clear glasses substrate 1, wherein, ultra-clear glasses substrate 1 places on the horizontal transmission device 2, fixedly install a sprayer 3 at described ultra-clear glasses substrate 1 upside, when horizontal transmission device 2 drive ultra-clear glasses substrates 1 were at the uniform velocity mobile along horizontal transmission direction shown in Fig. 2 arrow, sprayer 3 evenly sprayed selected material to the upper surface of ultra-clear glasses substrate 1.Wherein, the thickness of overlay 4 generally is no more than 0.5 millimeter.Fig. 3 carries out the vertical view of back ultra-clear glasses substrate 1 for S1.Preferably, described selected material is silicone adhesive or light binding (for example ultraviolet glue).
S2: adopting an outer surface is that the cylindrical mold pressing roll of optically focused Fresnel Lenses surface configuration is to the mold pressing of rolling of the overlay of described ultra-clear glasses upper surface of base plate.
Described cylindrical mold pressing roll is positioned at described ultra-clear glasses substrate upside, and contacts with predetermined altitude with overlay.The material of the outer surface material of described cylindrical mold pressing roll for easily separating with described selected material.Wherein, in mold process, cause the warpage of ultra-clear glasses for fear of cylindrical mold pressing roll, on the ultra-clear glasses substrate, be not coated with the position of selected material, cylindrical mold pressing roll both sides respectively are symmetrical arranged two balance wheels, described balance wheel and described cylindrical mold pressing roll are rolled with same speed to same direction with respect to described ultra-clear glasses substrate.
The schematic side view of in the method that Fig. 4 A provides for the embodiment of the invention overlay being carried out mold pressing, by Fig. 4 A as seen, ultra-clear glasses substrate 1 is on the horizontal transmission device 2 all the time, balance wheel 6 is positioned at cylindrical mold pressing roll 5 both sides, when horizontal transmission device 2 drives ultra-clear glasses substrates 1 along horizontal transmission direction shown in Fig. 2 arrow when at the uniform velocity mobile, cylindrical mold pressing roll 5 self also rotate with certain speed and cylindrical mold pressing roll 5 from an end of ultra-clear glasses substrate 1 to the other end to the mold pressing of rolling of described overlay.The schematic top plan view of in the method that Fig. 4 B provides for the embodiment of the invention overlay being carried out mold pressing.Can find out obviously that by Fig. 4 A and Fig. 4 B 4 balance wheels 6 are symmetricly set in cylindrical mold pressing roll 5 both sides.
S3: solidify the overlay of ultra-clear glasses upper surface of base plate after by the mold pressing of rolling.
When the selected material among the S1 is silicone adhesive, adopt roasting mode to make the silicone curable adhesive layer of ultra-clear glasses upper surface of base plate after mold pressing among this S3, obtain the optically focused Fresnel Lenses after the final cooling.Wherein, predetermined baking temperature scope is 70 to 150 degrees centigrade, and preferably, baking temperature is about 100 degree.When the selected material among the S1 is light binding, adopt respective ray of light to shine described overlay among this S3 so that its curing.
Preferably, before S1, described ultra-clear glasses substrate is destaticed program.
Obviously, the manufacture method of the optically focused Fresnel Lenses that the embodiment of the invention provided adopts cylindrical mold pressing roll to the mold pressing of rolling of the overlay of ultra-clear glasses upper surface, with respect to prior art, this method is made the Fresnel Lenses once-forming, need not extra knockout course, speed of production is fast, and technology is simple, and practicality is very strong.In addition, because the mould of mold pressing is cylindrical mold pressing roll, no matter when the surface of contact of mould and described overlay is all very little in mold process, plate press moulding mode of the prior art relatively, the pore in the Fresnel Lenses that the method that the embodiment of the invention provided is produced is reduced in a large number.
The manufacture method of the optically focused Fresnel Lenses that provides corresponding to the embodiment of the invention, the embodiment of the invention provides a kind of optically focused Fresnel Lenses manufacturing installation that is used to realize this method.Figure 5 shows that a kind of optically focused Fresnel Lenses manufacturing installation side view that the embodiment of the invention provides, this device comprises: horizontal transmission device 2, sprayer 3, cylindrical mold pressing roll 5 and solidification equipment 7.Horizontal transmission device 2 is used for along fixing transmission direction horizontal transmission one a ultra-clear glasses substrate.Above described horizontal transmission device 2, be disposed with sprayer 3, cylindrical mold pressing roll 5 and solidification equipment 7 along the transmission direction of horizontal transmission device 2.The distance that the spraying mouth along continuous straight runs of described sprayer 3 arrives the arbitrary end of horizontal transmission device 2 travelling belts is all more than or equal to the length of described ultra-clear glasses substrate.Described cylindrical mold pressing roll 5 is positioned at the predetermined altitude of described horizontal transmission device 2 tops, and when overlooking the travelling belt of described horizontal transmission device 2, the axle of cylindrical mold pressing roll 5 is perpendicular with the travelling belt of described horizontal transmission device 2, that is: the axle and the travelling belt of described horizontal transmission device 2 plane parallel of living in and perpendicular with described travelling belt of described cylindrical mold pressing roll 5.Described predetermined altitude can make the overlay of the ultra-clear glasses upper surface of base plate of its below of 5 pairs of processes of cylindrical mold pressing roll roll mold pressing to form Fresnel Lenses.
When device shown in Figure 5 is specifically worked: the high order end that at first a clean ultra-clear glasses substrate 8 is placed the travelling belt upper surface of horizontal transmission device 2 in the plane shown in Figure 5, after starting horizontal transmission device 2, the travelling belt of horizontal transmission device 2 drive ultra-clear glasses substrate 8 in plane shown in the drawing along the horizontal transmission of transmission direction shown in the arrow.This ultra-clear glasses substrate 8 at first passes through sprayer 3 belows subsequently, and sprayer 3 evenly sprays selected material has preset width and predetermined thickness with formation overlay to the upper surface of ultra-clear glasses substrate 8.When the ultra-clear glasses substrate 8 with overlay moves to described cylindrical mold pressing roll 5 belows, the mold pressing of rolling of the overlay of 5 pairs of ultra-clear glasses substrate 8 upper surfaces of cylindrical mold pressing roll.At last, below the described solidification equipment 7 of process under the drive of horizontal transmission device 2, carry out S3 through the ultra-clear glasses substrate 8 after cylindrical mold pressing roll 5 mold pressings.Obviously, when the selected material among the described S1 was silicone adhesive, described solidification equipment 7 was a baking box; When the selected material among the S1 was light binding, solidification equipment 7 was for can send the lamp that makes this kind light binding solidify required wavelength light.
Preferably, for balance ultra-clear glasses substrate in mold process, this device also comprises four identical balance wheels 6, (and arranged on left and right sides that is cylindrical mold pressing roll 5 respectively has two balance wheels 6 to be symmetricly set in the both sides of described cylindrical mold pressing roll 5 respectively, when overlooking the travelling belt of described horizontal gearing 2, the line of centres of described four balance wheels 6 forms a rectangle, the axle of one side of this rectangle and described cylindrical mold pressing roll 5 is parallel, and the length on this limit is between the width of the width of described ultra-clear glasses substrate 8 and overlay.Distance between the travelling belt of the center of circle of arbitrary balance wheel 6 and horizontal transmission device 2 equals the thickness sum of the radius and the described ultra-clear glasses substrate of described balance wheel 6.Be illustrated in figure 6 as a kind of optically focused Fresnel Lenses manufacturing installation side view that the embodiment of the invention provides with 4 balance wheels, in this device: described cylindrical mold pressing roll 5 is connected in a top board 9 belows by thick stick always, 4 balance wheels 6 also are connected in top board 9 belows by thick stick always respectively separately, and the relative position of 4 balance wheels 6 and cylindrical mold pressing roll 5 is shown in Fig. 4 B.When described ultra-clear glasses substrate 8 arrives described cylindrical mold pressing roll 5 belows, the lower surface of described balance wheel 6 just contacts with the upper surface of ultra-clear glasses substrate 8 is tangent, described balance wheel 6 and described cylindrical mold pressing roll 5 are rotated around the tie point of the straight thick stick that is connected with self separately, and described balance wheel 6 and described cylindrical mold pressing roll 5 are rolled with same speed to same direction with respect to described ultra-clear glasses substrate 8.
What deserves to be explained is: express for convenient; horizontal transmission device 2 in institute's drawings attached only is a synoptic diagram; the any device that can realize horizontal transmission of the prior art can be used in the optically focused Fresnel Lenses manufacturing installation that the embodiment of the invention provides, and the present invention also is intended to protect the optically focused Fresnel Lenses manufacturing installation that comprises these horizontal transmission devices with different concrete structures.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. the manufacture method of an optically focused Fresnel Lenses is characterized in that, comprising:
Step 1: a clean ultra-clear glasses substrate is provided, has the overlay of preset width at described ultra-clear glasses upper surface of base plate spraying selected material with formation one deck;
Step 2: adopting an outer surface is that the cylindrical mold pressing roll of optically focused Fresnel Lenses surface configuration is to the mold pressing of rolling of described overlay;
Step 3: solidify by the overlay after the rolling mold pressing;
Described preset width is the width less than described ultra-clear glasses substrate.
2. the manufacture method of a kind of optically focused Fresnel Lenses as claimed in claim 1 is characterized in that, before described step 1, also comprises: described ultra-clear glasses substrate is destaticed program.
3. the manufacture method of a kind of optically focused Fresnel Lenses as claimed in claim 1 is characterized in that, described selected material is a silicone adhesive, and described step 3 comprises: made its curing so that the predetermined temperature baking is described by the overlay after the rolling mold pressing.
4. the manufacture method of a kind of optically focused Fresnel Lenses as claimed in claim 3 is characterized in that, described predetermined temperature range is 70 to 150 degrees centigrade.
5. the manufacture method of a kind of optically focused Fresnel Lenses as claimed in claim 1, it is characterized in that, described selected material is a light binding, and described step 3 comprises: made its curing so that the curing wavelength irradiate light of described light binding is described by the overlay after the rolling mold pressing.
6. an optically focused Fresnel Lenses manufacturing installation is characterized in that, comprising: horizontal transmission device (2), sprayer (3), cylindrical mold pressing roll (5) and solidification equipment (7); Described horizontal transmission device (2) is used for along fixing transmission direction horizontal transmission one a ultra-clear glasses substrate; At described horizontal transmission device (2) upside, be disposed with sprayer (3), cylindrical mold pressing roll (5) and solidification equipment (7) along the transmission direction of described horizontal transmission device (2);
The spraying mouth along continuous straight runs of described sprayer (3) arrives the distance of the arbitrary end of travelling belt of described horizontal transmission device (2) all more than or equal to the length of described ultra-clear glasses substrate; Described sprayer (3) is used at described ultra-clear glasses upper surface of base plate spraying selected material and forms the overlay that one deck has preset width and predetermined thickness;
Described cylindrical mold pressing roll (5) is positioned at described horizontal transmission device (2) top; The axle of described cylindrical mold pressing roll (5) and the travelling belt plane parallel of living in of described horizontal transmission device (2) and perpendicular with described travelling belt; The outer surface of described cylindrical mold pressing roll (5) is an optically focused Fresnel Lenses surface configuration, is used for the mold pressing of rolling of the overlay on the described ultra-clear glasses substrate;
Described solidification equipment (7) is used for the overlay after described cylindrical mold pressing roll (5) rolling mold pressing is cured.
7. a kind of optically focused Fresnel Lenses manufacturing installation as claimed in claim 6 is characterized in that described preset width is less than the width of described ultra-clear glasses substrate;
This device also comprise four identical and be symmetricly set in the balance wheel (6) of described cylindrical mold pressing roll (5) both sides; The line of centres of described four balance wheels (6) forms a rectangle, the axle of one side of described rectangle and described cylindrical mold pressing roll (5) is parallel, and the length on one side parallel with the axle of cylindrical mold pressing roll (5) of described rectangle is between the width of the width of described ultra-clear glasses substrate and described overlay; Distance between the travelling belt of the center of circle of arbitrary described balance wheel (6) and described horizontal transmission device (2) equals the thickness sum of the radius and the described ultra-clear glasses substrate of described balance wheel (6); Described balance wheel (6) rolls with same speed to same direction with respect to described ultra-clear glasses substrate with described cylindrical mold pressing roll (5).
8. a kind of optically focused Fresnel Lenses manufacturing installation as claimed in claim 6 is characterized in that described selected material is a silicone adhesive, and described solidification equipment is a baking box.
9. a kind of optically focused Fresnel Lenses manufacturing installation as claimed in claim 6 is characterized in that described selected material is a light binding, and described solidification equipment is the lamp of the curing wavelength of described light binding for the emergent light wavelength.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100071342A CN102096125A (en) | 2011-01-13 | 2011-01-13 | Manufacturing method and device of light-focusing Fresnel lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100071342A CN102096125A (en) | 2011-01-13 | 2011-01-13 | Manufacturing method and device of light-focusing Fresnel lens |
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| CN102096125A true CN102096125A (en) | 2011-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102303946A (en) * | 2011-08-08 | 2012-01-04 | 上海聚恒太阳能有限公司 | Method and device for calendering and manufacturing Fresnel condensing lens |
| CN102358045A (en) * | 2011-08-12 | 2012-02-22 | 南京中聚新型材料有限公司 | Processing method for strip Fresnel lens |
| CN102617017A (en) * | 2012-04-11 | 2012-08-01 | 浙江蓝特光学股份有限公司 | Method for machining solar condensation Fresnel lens |
| CN104487874A (en) * | 2012-07-09 | 2015-04-01 | 株式会社可乐丽 | Optical element and concentrated photovoltaic device |
| WO2020120638A2 (en) | 2018-12-12 | 2020-06-18 | Heliac Aps | Improved coatings for glass |
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| CN1996057A (en) * | 2006-12-30 | 2007-07-11 | 陈鼎凌 | Complex Fresnel focusing condenser lens and method for making same |
| CN101169496A (en) * | 2006-10-26 | 2008-04-30 | 群康科技(深圳)有限公司 | Method for manufacturing composite film |
| WO2009110139A1 (en) * | 2008-03-04 | 2009-09-11 | シャープ株式会社 | Optical element, roller type nanoimprinting apparatus, and process for producing die roll |
| JP2009214387A (en) * | 2008-03-10 | 2009-09-24 | Sumitomo Electric Ind Ltd | Manufacturing method of plastic film lens |
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| CN101169496A (en) * | 2006-10-26 | 2008-04-30 | 群康科技(深圳)有限公司 | Method for manufacturing composite film |
| CN1996057A (en) * | 2006-12-30 | 2007-07-11 | 陈鼎凌 | Complex Fresnel focusing condenser lens and method for making same |
| WO2009110139A1 (en) * | 2008-03-04 | 2009-09-11 | シャープ株式会社 | Optical element, roller type nanoimprinting apparatus, and process for producing die roll |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303946A (en) * | 2011-08-08 | 2012-01-04 | 上海聚恒太阳能有限公司 | Method and device for calendering and manufacturing Fresnel condensing lens |
| CN102358045A (en) * | 2011-08-12 | 2012-02-22 | 南京中聚新型材料有限公司 | Processing method for strip Fresnel lens |
| CN102617017A (en) * | 2012-04-11 | 2012-08-01 | 浙江蓝特光学股份有限公司 | Method for machining solar condensation Fresnel lens |
| CN104487874A (en) * | 2012-07-09 | 2015-04-01 | 株式会社可乐丽 | Optical element and concentrated photovoltaic device |
| CN104487874B (en) * | 2012-07-09 | 2016-08-24 | 株式会社可乐丽 | Optical element and light-focusing type solar power generating device |
| US9553227B2 (en) | 2012-07-09 | 2017-01-24 | Kuraray Co., Ltd. | Optical element and concentrating photovoltaic device |
| WO2020120638A2 (en) | 2018-12-12 | 2020-06-18 | Heliac Aps | Improved coatings for glass |
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Application publication date: 20110615 |