CN102023321A - Disc-shaped optical lens array and manufacturing method thereof - Google Patents
Disc-shaped optical lens array and manufacturing method thereof Download PDFInfo
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- CN102023321A CN102023321A CN2009101768243A CN200910176824A CN102023321A CN 102023321 A CN102023321 A CN 102023321A CN 2009101768243 A CN2009101768243 A CN 2009101768243A CN 200910176824 A CN200910176824 A CN 200910176824A CN 102023321 A CN102023321 A CN 102023321A
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Abstract
The invention discloses a disc-shaped optical lens array and a manufacturing method thereof. The disc-shaped optical lens array is manufactured by a resin injection-compression molding method and by performing plastic pouring molding at the center of a disc, and has a first optical surface and a second optical surface, wherein a plurality of corresponding optical divisions are formed on the first optical surface and the second optical surface to correspondingly form a plurality of optical lenses, which are arranged in array and can be cut into singular optical lens elements; furthermore, the disc-shaped optical lens array is provided with a positioning mechanism, which can be used for stacking and combining at least two disc-shaped optical lens arrays or the disc-shaped optical lens array and other optical element arrays by precisely aligning the at least two disc-shaped optical lens arrays or the disc-shaped optical lens array and other optical element arrays with the optical central axes of the optical lenses to form a stacked disc-shaped optical lens array. Therefore, the manufacturing process of the optical lens array is simplified considerably, the precision is improved and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to a kind of optical mirror slip array and manufacture method thereof, especially refer to a kind of manufacture method of dish shape optical mirror slip array and made dish shape optical mirror slip array, first-class for the optical frames of the combined lens of the combined lens that is used in led light source, solar-energy conversion systems and mobile phone camera.
Background technology
Plastic cement Outshooting compression shaping (resin injection-compression molding) technology needing to be widely used in the high precision size at present and to have considered the optical articles of optical property such as the manufacturing of DVD, CD-ROM or optical mirror slip etc., as Taiwan patent TW182060, TWI309601.The plastic cement Outshooting compression shaping is to combine ejection formation and two kinds of forming techniques of compression forming, it mainly is the program that in general ejection formation program, adds the mould compression again, also promptly at the plastic cement cast initial stage, the incomplete locking of mould, after the part plastic material injects die cavity, utilize pressure with the mould locking again, by cast place plastic material of fusion in die cavity exert pressure (be called matched moulds and locked mode action (closing and clamping mold operations)) finish the die cavity filling with compression forming.This kind molding mode is compared to general ejection formation, the advantage that have reduction unrelieved stress (residual stress), reduces finished product birefraction poor (difference in refraction index) and can be made into the optical mirror slip of high precision size; Used this forming method to make optical mirror slip as U.S. Pat 2008/0093756, Jap.P. JP2008-230005, JP2003-071874 etc.
In the past be mainly the manufacturing of single optical mirror slip at the manufacturing optical mirror slip, especially with the manufacture method of plastic rubber ejaculate molding, be everlasting and a plurality of die cavitys (mold cavity) be set on the mould, as a mould four caves or a mould eight caves, four or eight optical mirror slips of an ejection formation are separated into single optical mirror slip through cutting off runner stick (runner stick); As U.S. Pat 6270219, as Fig. 1, utilize injection forming method to make 10 optical mirror slips 911, for making each optical mirror slip 911 homogeneous, the sprue of charging (down sprue) is entreated among being arranged on die cavity, the blank of making (primary product) forms a sprue bar (down sprue stick) 9104 at central part, and the runner stick 9103 (sprue stick) of the periphery (periphery) through excising optical mirror slip 911 is separated into single optical mirror slip 911.
Yet, for reducing manufacturing cost, as Jap.P. JP2006-030722, JP2003-149409, JP2001-194508, TaiWan, China patent TW M343166 etc., propose the manufacture method of optical mirror slip array (lens array), the optical mirror slip array of making can be used for the lens array of led light source, the lens array of solar-energy conversion systems; Maybe optical mirror slip array cutting and separating can be formed single optical mirror slip, with the camera lens module (lens module) that applies to mobile phone camera; Perhaps can earlier optical mirror slip array and other optical elements (optical element) be combined into a camera lens secondary module array (lens submodule array), cut into single camera lens secondary module again, again through with lens bracket (lens holder), Image Sensor (image capture device) or other optical element combination after to make a camera lens module (lens module).Be various objectives or processing procedure, the optical mirror slip array has different shape, as the array of square support plate (substrate) with square arrangement, as Jap.P. accession number JP3182581, Japanese patent application publication No. JP2003-004909; Or as array such as Jap.P. JP2001-129893, the JP2001-042104 of circular support plate (substrate) with square arrangement; Or as the optical mirror slip array made of brilliant first processing procedure (wafer level process), as U.S. Pat 7,183,643, US2007/0070511, WIPO patent WO2008011003; Or propose to adopt the chase (recess) of different depth as Jap.P. JP2001-042104, to avoid the buckling deformation of micromirror array; Jap.P. JP2000-321526 for another example proposes self-focusing (SELFOC) array eyeglass and uses that two self-focusings (SELFOC) eyeglass is piled up in projection (height) and recessed crack (crevice) etc.
On the optical mirror slip array is made, utilize the Outshooting compression shaping method to make optical mirror slip array (lens array) as Jap.P. JP2007-030339, JP2004-017555, as Fig. 2, in mold (upper mold) 9511 and bed die (lower mold) 9512 formed die cavitys, inject (inject) plastic material 952, again mold 9511 and bed die 9512 are compressed plastic material 952 (pressurizing and compressing the resin), separate mold 9511 and bed die 9512 when cured, take out optical mirror slip array 910.Owing to use the Outshooting compression shaping method, the general ejection formation of working pressure is low, can reduce the residual stress of optical mirror slip array 910.But sprue is usually located at the edge of blank, when plastic material is compressed when pushing to each optical mirror slip, may make the pressure of the optical mirror slip of growing the position apart from healing lower, cause the uneven shortcoming of each optical mirror slip, be difficult to make high-precision optical mirror slip.
Be applied to the optical mirror slip array of optical system, its each optical mirror slip is often constituted with the aspherics face, desired surface precision (SAG accuracy) and optical centre axle accuracy (alignment accuracy) are height compared to the general optical mirror slip that uses, and therefore how to avoid or reduce having the formed shortcoming of optical mirror slip array now: (1) surface precision that residual stress caused changes and warping phenomenon; (2) from sprue different distance and difference that the edge caused; And processing procedure is simplified and the cost reduction, and use with the combined lens that offers led light source, the combined lens of solar-energy conversion systems and the optical lens of mobile phone camera, and meet the qualification rate of mass production and the demand of output, will be for urgently required.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: a kind of dish shape optical mirror slip array and manufacture method thereof are provided, solve change of (1) surface precision that residual stress caused and warping phenomenon that existing structure and method exist; (2) from sprue different distance and problems such as difference that the edge caused.
For achieving the above object, the technical solution used in the present invention comprises:
A kind of dish shape optical mirror slip array, it is characterized in that: be utilize plastic cement Outshooting compression shaping method and carry out the plastic moulding by casting by the video disc center made, it is provided with a dishful of hole for circular plates shape and center, comprise one first optical surface and one second optical surface, in the non-optical active region that is provided with on described first optical surface and second face outside corresponding a plurality of optical effects district and the optical effect district, the a plurality of optical mirror slips of the corresponding formation in wherein said a plurality of optical effects district, wherein said a plurality of optical mirror slips are with arrayed.
Wherein: described a plurality of optical mirror slips comprise following a kind of or its combination: concave-concave eyeglass, biconvex eyeglass, meniscus eyeglass, M type eyeglass and Fresnel lenses.
Wherein: the arrayed of described a plurality of optical mirror slips is to comprise following a kind of or its combination: equidistantly arrange, radial arrangement or subarray arrange, wherein said subarray is arranged by several optical mirror slips and is formed a subarray and formed several subarrays are arranged on the dish shape optical mirror slip array again.
Wherein: the shape in described dish hole be selected from following a kind of: circular, rectangle or polygon.
Wherein: further the periphery at described optical mirror slip is provided with ring-type mechanism, and described ring-type mechanism is selected from following a kind of or its combination: the ring texture that ring texture that groove forms and register pin form.
Wherein: described non-optical active region further is provided with one or more detent mechanism and is used for dish shape optical mirror slip array is folded combination with the optical centre uranium pile that precision aligns optical mirror slip.
Wherein: described detent mechanism is to be selected from down a kind of of array structure or its combination: register pin, groove, collimating mirror, through hole and cross groove.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of optical mirror slip subarray, it is characterized in that: be to utilize above-mentioned dish shape optical mirror slip array and cut along line of cut and to be separated into single optical mirror slip subarray, wherein, described optical mirror slip subarray comprises a plurality of optical mirror slips and arranges with array way.
Wherein: the non-optical active region of described optical mirror slip subarray beyond a plurality of optical mirror slips further includes detent mechanism, and wherein said detent mechanism is to be selected from down a kind of of array structure or its combination: register pin, groove, collimating mirror, through hole and cross groove.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of optical mirror slip is characterized in that: be to utilize above-mentioned dish shape optical mirror slip array and cut along line of cut and to be separated into single optical mirror slip.
Wherein: the periphery of described optical mirror slip is provided with ring-type mechanism, and wherein said ring-type mechanism is selected from following a kind of or its combination: the ring texture that ring texture that groove forms and register pin form.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of manufacture method of dish shape optical mirror slip array is characterized in that: be to make with plastic cement Outshooting compression shaping method, comprise the following step:
S0: a plastic cement injection compression molding mold is provided, comprises a mold and a bed die, establish tool optical surface shaping die face respectively; One center at mold or bed die is provided with a charging aperture;
S1: when mold and bed die are crack, in the die cavity that mold and bed die constituted, inject partly plastic material by charging aperture, and pressurization makes mold and bed die matched moulds with locked mode and by the additional plastic material of charging aperture, and utilization is exerted pressure and is finished the die cavity filling with compression forming;
S2: cooling is mold and bed die separately, makes a dishful of shape optical mirror slip array blank;
S3: take out dish shape optical mirror slip array blank, described dish shape optical mirror slip array blank comprises an a dishful of shape optical mirror slip array and a sprue bar;
S4: cut off described sprue bar, make a dishful of shape optical mirror slip array and its center and partly form a dishful of hole.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of manufacture method of optical mirror slip is characterized in that: be the manufacture method of utilizing above-mentioned dish shape optical mirror slip array, further comprise the following step after step S4:
S5: on dish shape optical mirror slip array, line of cut is set, cuts described dish shape optical mirror slip array to be separated into single optical mirror slip along described line of cut again.
For achieving the above object, the technical solution used in the present invention also comprises:
A kind of manufacture method of optical mirror slip subarray is a manufacture method of utilizing above-mentioned dish shape optical mirror slip array, further comprises the following step after step S4:
S5 ': on dish shape optical mirror slip array, line of cut is set, cuts described dish shape optical mirror slip array to be separated into single optical mirror slip subarray along described line of cut again.
Compared with prior art, the beneficial effect that has of the present invention is: significantly simplify optical mirror slip array processing procedure, improve precision and reduce manufacturing cost.
Description of drawings
Fig. 1 is an existing optical mirror slip synoptic diagram that utilizes the Outshooting compression shaping method to make;
Fig. 2 is an existing optical mirror slip array manufacturing method synoptic diagram;
Fig. 3 is dish shape optical mirror slip array implement example one synoptic diagram of the present invention;
Fig. 4 is that dish shape optical mirror slip array of the present invention cuts into single optical mirror slip synoptic diagram;
Fig. 5 is the detent mechanism synoptic diagram that dish shape optical mirror slip array implement example two of the present invention is provided with register pin and groove;
Fig. 6 is the detent mechanism synoptic diagram that dish shape optical mirror slip array implement example two of the present invention is provided with collimating mirror;
Fig. 7 is the detent mechanism synoptic diagram that dish shape optical mirror slip array implement example two of the present invention is provided with through hole and cross groove;
Fig. 8 is that dish shape optical mirror slip array of the present invention is made and piled up dish shape optical mirror slip array implement example two synoptic diagram;
Fig. 9 is the plastic cement feed pressure distribution schematic diagram of existing optical mirror slip array;
Figure 10 is the plastic cement feed pressure distribution schematic diagram of dish shape optical mirror slip array of the present invention;
Figure 11 is dish shape optical mirror slip array implement example three synoptic diagram of the present invention;
Figure 12 is dish shape optical mirror slip array implement example four synoptic diagram of the present invention;
Figure 13 is dish shape optical mirror slip array implement example five synoptic diagram of the present invention;
Figure 14 is dish shape optical mirror slip array implement example six synoptic diagram of the present invention;
Figure 15 is optical mirror slip subarray embodiment six synoptic diagram one of the present invention;
Figure 16 is optical mirror slip subarray embodiment six synoptic diagram two of the present invention;
Figure 17 is dish shape optical mirror slip array implement example seven synoptic diagram of the present invention;
Figure 18 is optical mirror slip subarray embodiment seven synoptic diagram that the present invention has detent mechanism;
Figure 19 is dish shape optical mirror slip array implement example seven synoptic diagram of the present invention;
Figure 20 is the injection compression molding mold synoptic diagram that the present invention is used for making dish shape optical mirror slip array;
Figure 21 is the ejaculation compression mould synoptic diagram of embodiments of the invention one;
Figure 22 is the ejaculation compression mould synoptic diagram of embodiments of the invention seven;
Figure 23 is dish shape optical mirror slip array of the present invention and optical mirror slip manufacture method schematic flow sheet;
Figure 24 is that blank of the present invention cuts off the sprue synoptic diagram.
Description of reference numerals: 1,2-dish shape optical mirror slip array (Disk-shaped optical lens array); 10,20-optical mirror slip (optical lens element); 11-first optical surface (first optical surface); 12-second optical surface (second optical surface); 13-dish hole (disk hole); 14-line of cut (cutting line); 15,16,17,18-detent mechanism (alignment fixture); 100-piles up dish shape optical mirror slip array (Disk-shaped stacked optical lens array); 101-optical centre axle (optical axis); 102-scrobicular ring (groove ring); 103-Fresnel optical surface (fresnel optical surface); 111,112-optical mirror slip subarray (optical lens sub-array); 161-register pin (alignment pin); 162-locatees cave (alignment cavity); 262-locatees cave (alignment cavity); 3-array of optical elements (optical element array); 30-Image Sensor (image capture device); 361-register pin (alignment pin); 51-penetrates compression mould (injection-compression mold); 511-mold (upper mold); 513-upper cores (upper mold core); 5131-patrix shaping die face (upper molding surface); The last die positioning mechanism shaping die of 5132-face (upper molding alignment surface); 512-bed die (lower mold); Die under the 514-(lower mold core); 5141-counterdie shaping die face (lower molding surface); Die positioning mechanism shaping die face under the 5142-(lower molding alignment surface); 521-charging aperture (feeding nozzle); 522-charger (feeder); 61-dish shape optical mirror slip array blank (primary product ofDisk-shaped optical lens array); 614-sprue bar (down sprue stick); 910-optical mirror slip array (optical lens array); 911-optical mirror slip (optical lens element); 9103-runner stick (sprue stick); 9104-sprue bar (down sprue stick); 9511-mold (upper mold); 9512-bed die (lower mold); 952-plastic material (resin material).
Embodiment
With reference to figure 3, Fig. 4, dish shape optical mirror slip array 1 of the present invention, be to utilize plastic cement Outshooting compression shaping (resin injection-compression molding) method, and it is made to carry out the plastic moulding by casting by the video disc center, be the circular plates shape, the center is provided with dish hole 13 (Disk hole), comprise one first and one second optical surface 11,12, be respectively equipped with on it that a plurality of corresponding optical effects district forms a plurality of optical mirror slips 10 (optical lens element) with correspondence and with arrayed.If cut separation (singularize) along set line of cut 14 (cutting line), can become single optical mirror slip 10; Or, can become single optical mirror slip subarray 111 (optical lens sub-array) shown in Figure 15,16 along specific line of cut 14 incision separation (singularize).
Described dish shape optical mirror slip array 1 further comprises at least one detent mechanism 15 (16,17,18) shown in Fig. 5-7, utilize the described detent mechanism 15 (16,17,18) can be, align the optical centre axle 101 of optical mirror slip and stacked combination forms one and piles up dish shape optical mirror slip array 100 (Disk-shaped stacked lens array) with precision with at least two dish shape optical mirror slip arrays 1 (2); Or, align the optical centre axle 101 of optical mirror slip and stacked combination forms one and piles up dish shape optical mirror slip array 100 as shown in Figure 8 with precision with dish shape optical mirror slip array 1 (2) and array of optical elements 3 (optical element array).
With reference to Figure 23, dish shape optical mirror slip array 1 of the present invention is with plastic cement Outshooting compression shaping method, and it is made to carry out the plastic moulding by casting by the video disc center, comprises the following step:
S0: provide a plastic cement to penetrate compression mould 51 (injection-compression mold), comprise a mold 511 (upper mold) and a bed die 512 (lower mold), respectively establish tool optical surface shaping die face; One shaping die face center at mold or bed die is provided with a charging aperture 521;
S1: use plastic cement Outshooting compression shaping method to finish the die cavity filling;
S2: separate upper and lower mould 511,512 after the cooling, make a dishful of shape optical mirror slip array blank 61;
S3: take out described blank 61, have a sprue bar 614 on it;
S4: cut off sprue bar 614 as shown in figure 24, make a dishful of shape optical mirror slip array 1, the heart partly forms a dishful of hole 13 therein; According to different demands, described dish hole 13 can be circle, rectangle or polygon;
S5: line of cut further is set, makes and to cut described dish shape optical mirror slip array 1 along described line of cut, to be separated into single optical mirror slip 10 or optical mirror slip subarray 111 (112) (with reference to Figure 15,16).
For making the present invention more clear and definite full and accurate, cooperate following preferred embodiment diagram to describe in detail as the back now:
＜embodiment one 〉
With reference to figure 3,4 and Figure 23, present embodiment is dish shape optical mirror slip array, optical mirror slip and manufacture method thereof, the dish shape optical mirror slip array 1 of present embodiment comprises one first and one second optical surface 11,12 and respectively is provided with corresponding a plurality of as 212 (but not limiting) optical effect districts on it, makes that described 212 optical effect districts are corresponding to form 212 optical mirror slips 10 (optical lens element) and with equally spaced arrayed.Dish shape optical mirror slip array 1 is a circular plates shape, and diameter is 120mm, and there is a dishful of hole 13 in central authorities, and described dish hole 13 is formed as shown in figure 24 by a dishful of shape optical mirror slip array blank 61 excision sprue bars 614, and diameter is 30mm.
Further line of cut 14 (cutting line) can be set on dish shape optical mirror slip array 1, described line of cut 14 is usually with the centre of vertical and horizontal spaced set (as drawing) at two optical mirror slips 10; If cut along line of cut 14, separable (singularize) becomes single optical mirror slip 10, can once make 212 optical mirror slips 10.
With reference to Figure 23, the plastic cement Outshooting compression shaping equipment that present embodiment uses is similar manufacturing equipment in the DVD CD-RW discsCD-RW; The dish shape optical mirror slip array 1 employed plastic of present embodiment be optics with PC (polycarbonate, Polycarbonate); It is as follows that its manufacture method comprises step:
S0: prepare a plastic cement and penetrate compression mould 51, comprise a mold 511 and a bed die 512 as Figure 21, upper and lower mould 511,512 respectively is provided with the matrix shaping die face of a plurality of as 212 corresponding aspherics faces; One charging aperture 521 is set at the center of bed die 512 again;
S1: make upper and lower mould 511,512 crack (slightly opened), in upper and lower mould 511,512 die cavitys that constituted (mold cavity), to inject plastic such as optics PC partly by charging aperture 521, and pressurization makes upper and lower mould matched moulds and locked mode and by charging aperture 521 additional plastics, finishes the die cavity filling with compression forming; The plastic firing rate that present embodiment uses is 155mm/sec., and the firing rate 250～300mm/sec that uses compared to general ejection formation is low, and the material internal stress that is produced is also lower; In this process, the shaping die face of upper and lower mould 511,512 can be distinguished transfer printing on first and second optical surface 11,12 of dish shape optical mirror slip array 1.
S2: separate upper and lower mould 511,512 after the cooling, make a dishful of shape optical mirror slip array blank 61 (primary product of Disk-shaped optical lens array);
S3: take out described blank 61, it comprises an a dishful of shape optical mirror slip array 1 and a sprue bar 614 (down sprue stick);
S4: cut off sprue bar 614, make a dishful of shape optical mirror slip array 1 as shown in figure 24, it is a plurality of as 212 biconvexs (bi-convex) optical mirror slip 10 and with equally spaced arrayed that described dish shape optical mirror slip array 1 is established tool, its center partly forms a dishful of hole 13, described dish hole 13 can be circle, rectangle or polygon according to different demands, is circular at present embodiment;
S5: draw line of cut 14 at dish shape optical mirror slip array 1, as draw several vertically and transverse cut 14 as each 21; Cut to be separated into single optical mirror slip 10 along line of cut 14 again, can once make the optical mirror slip 10 of 212 precisions.
Be provided with the matrix shaping die face of a plurality of as 212 aspherics faces when mold 511, bed die 512 is provided with the convex shaping die face of 212 aspherics faces, then can be made into a dish shape optical mirror slip array 1 with 212 meniscuses (meniscus) optical mirror slip 10; Be provided with the convex shaping die face of 212 aspherics faces when mold 511, bed die 512 is provided with the convex shaping die face of 212 aspherics faces, then can be made into a dish shape optical mirror slip array 1 with 212 double concave types (bi-concave) optical mirror slip 10; When mold 511 is provided with the M type shaping die face of 212 aspherics faces, bed die 512 is provided with the M type shaping die face of 212 aspherics faces, then can be made into a dish shape optical mirror slip array 1 with 212 M types (M-shaped) optical mirror slip 10.So-called M type (M-shaped) optical mirror slip, be from the lens optical center to lens edge, have the diopter point of inflexion (inflection point of refractive power), just can produce/bear change through diopter after the diopter point of inflexion.
With reference to figure 9, it is the optical mirror slip array blank 91 of an existing optical mirror slip array, and described blank 91 comprises two optical mirror slip arrays 910, and it respectively is provided with a plurality of optical mirror slips 911, a sprue bar 9104 and a runner stick 9103; In the Outshooting compression shaping processing procedure, plastic is by partly injecting (sprue bar 9104 that forms blank 61) in the middle of the die cavity, through gate (sprue) (forming the runner stick 9103 of blank 61), push to whole die cavity by middle mind-set die cavity edge in a mode of enclosing, from entering optical mirror slip array 910 to the distance of the optical mirror slip 911 of distal-most end is d, and the distance of die cavity edge diverse location and unequal.Because plastic is entered by an end of optical mirror slip array 910, therefore at the optical mirror slip 911 of frontier area with different near the suffered pressure of the optical mirror slip 911 of plastic inlet point; Moreover because plastic is injected in the die cavity through narrow and small gate (sprue), the firing rate of its use is higher, the big and position difference of therefore residual stress and residual stress is also different; Therefore, as difficult residual stress little, more not warpage or the optical mirror slip array 910 that is evenly distributed made of the manufacture method of Fig. 9.
With reference to Figure 10, it is that the plastic that dish shape optical mirror slip array 1 of the present invention is described is injected synoptic diagram, when plastic is injected (sprue bar 614 of formation dish shape optical mirror slip array blank 61) in the die cavity via the charging aperture 521 of bed die 512, plastic is pushed to the die cavity edge in the circumference mode, because feed points is the center at array, be equal length d by feed points to the edge of die cavity, the suffered pressure of each optical mirror slip 10 is more even, can not form the shortcoming of edge's pressure inequality as shown in Figure 9; Moreover, after injecting, plastic material directly enters in the die cavity, can use lower firing rate, and therefore residual stress is also less; Can make the optical mirror slip array of higher and each the optical mirror slip homogeneous of precision thus.
＜embodiment two 〉
With reference to figure 5, present embodiment is to have the dish shape optical mirror slip array of detent mechanism and pile up dish shape optical mirror slip array manufacturing method, respectively be provided with corresponding 244 optical effect districts and 4 detent mechanisms 16 on first and second face 11,12 of the dish shape optical mirror slip array 1 of present embodiment, described 244 optical effect districts can correspondingly form 244 optical mirror slips 10 and with equally spaced arrayed, described 4 detent mechanisms 16 are located at respectively on the edge of dish shape optical mirror slip array 1.At present embodiment, detent mechanism 16 is with 90 ° of spacings 4 register pins 161 (protrusion) to be set at first optical surface 11, at second optical surface 12 4 grooves 162 (groove) is set, and 4 register pins 161 and 4 grooves 162 are opposite position.
The manufacture of the dish shape optical mirror slip array 1 of present embodiment is as embodiment one, but sets up 4 depressions at mold 511, and bed die 512 correspondences are provided with 4 projectioies; Make the dish shape optical mirror slip array of making 1 have 244 optical mirror slips, 10 formed arrays and 4 groups of detent mechanisms 16.
Identical manufacture method respectively is provided with different detent mechanism shaping die faces at upper and lower mould 511,512, can be made into the dish shape optical mirror slip array 1 with different detent mechanisms.As Fig. 6, the shaping die face of 3 spherical recesses and 244 aspherics faces is set at mold 511, bed die 512 also is provided with the shaping die face of corresponding 3 spherical recesses and 244 aspherics faces, then can be made into a dish shape optical mirror slip array 1 with detent mechanism 15 of 244 optical mirror slips, 10 formed arrays and 3 collimating mirrors (collimator lens) kenel.The detent mechanism 15 of described collimating mirror kenel is a biconvex spheric glass, in the time of can using optical correction's instrument (optical calibration instrument), and rely on laser light ray (laser beam) by collimating mirror kenel detent mechanism 15 to position (alignment), its bearing accuracy can reach below the 5 μ m, can be accurate assembling and uses.
For accurately locating purpose, can cross groove 18 (set-point hairline) be set at mold 511 or bed die 512 in addition, the position of described cross groove is the reference point (set-point) of the shaping die face of aspherics face, make utilize moulding cross groove kenel on the dish shape optical mirror slip array 1 that this mould makes detent mechanism 18 as shown in Figure 7; When assembling, can rely on the detent mechanism 18 of cross groove kenel to position, its bearing accuracy can reach below 3～5 μ m, can be accurate assembling and uses.
Fig. 7 for another example, the shaping die face of 3 salient points and 244 aspherics faces can be set at mold 511, bed die 512 also is provided with the shaping die face of corresponding 3 salient points and 244 aspherics faces, then can be made into a dish shape optical mirror slip array 1 with detent mechanism 17 (only representing 1 detent mechanism 17 among Fig. 7) of 244 optical mirror slips, 10 formed arrays and 3 through holes (through hole) kenel, the detent mechanism 17 of its through hole kenel can be follow-up assembling and uses.
Pile up dish shape optical mirror slip array 100 (Disk-shaped stacked optical lens array) with reference to figure 8, and comprise a dishful of shape optical mirror slip array 1, a dishful of shape optical mirror slip array 2 and array of optical elements 3 (optical element array); The optical mirror slip 10 that described dish shape optical mirror slip array 1 has 4 detent mechanisms 16 and 244 M types forms arrays, described detent mechanism 16 be such as 4 register pins 161 of Fig. 5 and 4 grooves 162 formation; Described dish shape optical mirror slip array 2 has 4 grooves that are used for locating 262 and 244 lunate optical mirror slips 20 form array; Array of optical elements 3 is provided with 244 Image Sensors 30 (image capture device) and forms array, and is provided with 4 register pins 361 and corresponding with 4 location usefulness grooves 262 of 4 grooves 162, dish shape optical mirror slip array 2 with 4 register pins 161 of dish shape optical mirror slip array 1; During assembling, rely on the corresponding combination of register pin 361 and groove 162, register pin 161 and groove 262, can be with each optical mirror slip 20,10 of dish shape optical mirror slip array 2,1 and each Image Sensor 30 of array of optical elements 3, align each other with optical centre axle 101, non-optical active region is coated with viscose glue (not showing on figure) between each optical mirror slip array, through combination with solidify that back formation one has 244 camera lens modules pile up dish shape optical mirror slip array 100.
＜embodiment three 〉
With reference to Figure 11, present embodiment is one to have the dish shape optical mirror slip array 1 of ring-type mechanism, wherein, the outside of each optical mirror slip 10 is provided with a ring-type mechanism 102, when dish shape optical mirror slip array 1 is cut into single optical mirror slip 10, described ring-type mechanism 102 can be used for being used as the groove of viscose glue, or can be used for being used as detent mechanism and use; The dish shape optical mirror slip array 1 of present embodiment comprises that one first and one second optical surface 11,12 which is provided with a plurality of one-tenth optical mirror slips 10 and with equally spaced arrayed, periphery wherein at least one or each optical mirror slip 10 is provided with a ring-type mechanism 102, described ring-type mechanism 102 can be the groove (groove) of annular, when cutting into single optical mirror slip 10 as Fig. 4, available described ring-type mechanism 102 formed grooves are coated viscose glue, and other optical element combination and make optical lens; Or described ring-type mechanism 102 can be convex ring or concavity ring, and the center of circle of described convex ring or concavity ring is to be positioned at the optical centre axle, when fashionable with his optical elements sets, can align the optical centre axle, is used for making high-accuracy camera lens module.
＜embodiment four 〉
With reference to Figure 12, present embodiment is the dish shape optical mirror slip array 1 of a radial arrangement, a plurality of optical mirror slips 10 be with dish shape optical mirror slip array 1 center of circle to circumferential edges with radial arrayed.The dish shape optical mirror slip array 1 of present embodiment can whole piece the optical mirror slip array use, particularly be used in each wafer (die) position that cooperates a brilliant first video disc (wafer disc), can be with the brilliant first video disc combination of dish shape optical mirror slip array 1 and, make each wafer position can be corresponding with each optical mirror slip 10.Example such as light emitting diode matrix (LED array) that present embodiment is used, each LED wafer is to be located on the brilliant first video disc with radial arrangement, a plurality of optical mirror slips 10 on the dish shape optical mirror slip array 1 of present embodiment are also with radial arrangement, after first video disc of crystalline substance and 1 combination of dish shape optical mirror slip array, each optical mirror slip 10 can correspondingly align with each LED wafer, and the light that each LED wafer is sent can be assembled by each optical mirror slip 10 and send to the external world; So assembling mode can once be made light emitting diode matrix (LED array), reaches the effect that assembling is accurate and reduce the cost.
＜embodiment five 〉
With reference to Figure 13, present embodiment is one to have the dish shape optical mirror slip array 1 of Fresnel optical surface, as embodiment four, a plurality of optical mirror slips 10 be with dish shape optical mirror slip array 1 center of circle to circumferential edges with radial arrayed, wherein each optical mirror slip 10 is optical surfaces of Fresnel Lenses (Fresnel lens); The dish shape optical mirror slip array 1 of present embodiment can whole piece the optical mirror slip array use, as with a brilliant first video disc (wafer disc) combination, make each wafer (die) position corresponding with each optical mirror slip 10.The application example of present embodiment such as solar-energy conversion systems (solar energy system), each solar wafer (photovoltaic die) is to be located on the brilliant first video disc with radial arrangement, after making brilliant first video disc and 1 combination of dish shape optical mirror slip array, each solar wafer can correspondingly align with each optical mirror slip 10, makes the sunray of incident be radiated at each solar wafer via each optical mirror slip 10 focusing; So assembling mode can once be made a sun power conversion element (solar energy device array) array, reaches the effect that assembling is accurate and reduce the cost.
＜embodiment six 〉
With reference to Figure 14,15,16, optical mirror slip 10 on the dish shape optical mirror slip array 1 of present embodiment is to lay in subarray (sub-array) mode, it forms a subarray by several optical mirror slips 10, and formed several subarrays are laid on the dish shape optical mirror slip array 1 again, form a square subarray by 4 * 4 optical mirror slips 10 as shown in figure 14, dish shape optical mirror slip array 1 is provided with 6 subarrays.For another example shown in Figure 15,16, after drawing line of cut 14 on the dish shape optical mirror slip array 1, cut along line of cut, can be made into single optical mirror slip subarray (optical lens sub-array) 111, can be cut into 6 square optical mirror slip subarrays 111 as shown in figure 15; Or, can be cut into the optical mirror slip subarray 112 of 6 circles as Figure 16; Each optical mirror slip subarray 111/112 respectively comprises 4 * 4 optical mirror slips 10, can supply with optical system and use.
The manufacture method of present embodiment comprises step following (with reference to Figure 23):
S0: prepare a plastic cement and penetrate compression mould 51, comprise a mold 511 and a bed die 512, its shaping die face of establishing corresponding 96 the aspherics faces of tool respectively is with 96 optical mirror slips 10 of correspondence formation, and is one group and with 4 * 4 arrayed with 16; One charging aperture 521 is set at the center of bed die 512;
S1: make upper and lower mould 511,512 crack, for in upper and lower mould 511,512 die cavitys that constituted, inject plastic such as optics PC partly by charging aperture 521, and pressurization carries out matched moulds and locked mode and replenishes plastic by charging aperture, and utilization is exerted pressure and finished the die cavity filling with compression forming; The plastic firing rate that uses at present embodiment is 145mm/sec.;
S2: separate upper and lower mould 511,512 after the cooling, make a dishful of shape optical mirror slip array blank 61;
S3: take out described blank 61, it comprises an a dishful of shape optical mirror slip array 1 and a sprue bar 614;
S4: cut off sprue bar 614, make a dishful of shape optical mirror slip array 1,96 optical mirror slips 10 of formation it on, and with 4 * 4 arrayed; Its center partly forms a dishful of hole 13:
S5: draw line of cut at described dish shape optical mirror slip array 1, cut, be separable into single optical mirror slip subarray 111/112, can once make the optical mirror slip subarray 111/112 of 6 precisions along line of cut.
＜embodiment seven 〉
As Figure 17,18,19, the optical mirror slip 10 on the dish shape optical mirror slip array 1 of present embodiment is to lay as embodiment six in subarray (sub-array) mode, and has detent mechanism on each subarray.The dish shape optical mirror slip array 1 of present embodiment is provided with 6 square subarrays 111 its each as Figure 17 and is made up of 4 * 4 optical mirror slips 10; Wherein, each optical mirror slip subarray 111 further comprises detent mechanism 15 (16), is provided with two detent mechanisms 15 as each optical mirror slip subarray 111 of Figure 18, and described detent mechanism 15 is the collimating mirror that a biconvex lens forms; During assembling, can utilize described detent mechanism 15 (collimating mirror), use optical correction's instrument to align optical centre to make high-accuracy optical system; Or being provided with four detent mechanisms 16 as each optical mirror slip subarray 111 of Figure 19, described detent mechanism 16 is that V-arrangement register pin and v-depression constitute, and can utilize described detent mechanism 16 with optical mirror slip subarray 111 and the combination of other optical elements location during assembling.
For elasticity using, the plastic cement of described dish shape optical mirror slip array 1 penetrates compression mould 51 and can adopt modularization (modularized) structure to form, and as Figure 22, plastic cement penetrates compression mould 51 and comprises a mold 511 and a bed die 512; Mold 511 is provided with 6 upper cores 513 (upper mold core), the last die positioning mechanism shaping die face 5132 (upper molding alignment surface) that each upper cores 513 is provided with the patrix shaping die face 5131 (upper molding surface) that can form optical mirror slip subarray 111 optical surfaces and can forms detent mechanism 15 (or other detent mechanisms such as detent mechanism 16); Bed die 512 is provided with 6 following dies 514 (lower mold core), and described die 514 down is provided with counterdie shaping die face 5141 that can form optical mirror slip subarray 111 optical surfaces and the following die positioning mechanism shaping die face 5142 that can form detent mechanism 15 (or other detent mechanisms such as detent mechanism 16); And described upper and lower die the 513, the 514th, be designed to extractable and changeable structure, for can replace with at different optical face or detent mechanism, die 513,514 down, form a modular plastic cement and penetrate compression mould.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (14)
1. dish shape optical mirror slip array, it is characterized in that: be utilize plastic cement Outshooting compression shaping method and carry out the plastic moulding by casting by the video disc center made, it is provided with a dishful of hole for circular plates shape and center, comprise one first optical surface and one second optical surface, in the non-optical active region that is provided with on described first optical surface and second face outside corresponding a plurality of optical effects district and the optical effect district, the a plurality of optical mirror slips of the corresponding formation in wherein said a plurality of optical effects district, wherein said a plurality of optical mirror slips are with arrayed.
2. dish shape optical mirror slip array according to claim 1 is characterized in that: described a plurality of optical mirror slips comprise following a kind of or its combination: concave-concave eyeglass, biconvex eyeglass, meniscus eyeglass, M type eyeglass and Fresnel lenses.
3. dish shape optical mirror slip array according to claim 1, it is characterized in that: the arrayed of described a plurality of optical mirror slips is to comprise following a kind of or its combination: equidistantly arrange, radial arrangement or subarray arrange, wherein said subarray is arranged by several optical mirror slips and is formed a subarray and formed several subarrays are arranged on the dish shape optical mirror slip array again.
4. dish shape optical mirror slip array according to claim 1 is characterized in that: the shape in described dish hole be selected from following a kind of: circular, rectangle or polygon.
5. dish shape optical mirror slip array according to claim 1, it is characterized in that: further the periphery at described optical mirror slip is provided with ring-type mechanism, and described ring-type mechanism is selected from following a kind of or its combination: the ring texture that ring texture that groove forms and register pin form.
6. dish shape optical mirror slip array according to claim 1 is characterized in that: described non-optical active region further is provided with one or more detent mechanism and is used for dish shape optical mirror slip array is folded combination with the optical centre uranium pile that precision aligns optical mirror slip.
7. dish shape optical mirror slip array according to claim 6 is characterized in that: described detent mechanism is to be selected from down a kind of of array structure or its combination: register pin, groove, collimating mirror, through hole and cross groove.
8. optical mirror slip subarray, it is characterized in that: be to utilize dish shape optical mirror slip array according to claim 1 and cut along line of cut and to be separated into single optical mirror slip subarray, wherein, described optical mirror slip subarray comprises a plurality of optical mirror slips and arranges with array way.
9. optical mirror slip subarray according to claim 8, it is characterized in that: the non-optical active region of described optical mirror slip subarray beyond a plurality of optical mirror slips further includes detent mechanism, and wherein said detent mechanism is to be selected from down a kind of of array structure or its combination: register pin, groove, collimating mirror, through hole and cross groove.
10. optical mirror slip is characterized in that: be to utilize dish shape optical mirror slip array as claimed in claim 1 and cut along line of cut and to be separated into single optical mirror slip.
11. optical mirror slip according to claim 10, it is characterized in that: the periphery of described optical mirror slip is provided with ring-type mechanism, and wherein said ring-type mechanism is selected from following a kind of or its combination: the ring texture that ring texture that groove forms and register pin form.
12. the manufacture method of a dish shape optical mirror slip array is characterized in that: be to make, comprise the following step with plastic cement Outshooting compression shaping method:
S0: a plastic cement injection compression molding mold is provided, comprises a mold and a bed die, establish tool optical surface shaping die face respectively; One center at mold or bed die is provided with a charging aperture;
S1: when mold and bed die are crack, in the die cavity that mold and bed die constituted, inject partly plastic material by charging aperture, and pressurization makes mold and bed die matched moulds with locked mode and by the additional plastic material of charging aperture, and utilization is exerted pressure and is finished the die cavity filling with compression forming;
S2: cooling is mold and bed die separately, makes a dishful of shape optical mirror slip array blank;
S3: take out dish shape optical mirror slip array blank, described dish shape optical mirror slip array blank comprises an a dishful of shape optical mirror slip array and a sprue bar;
S4: cut off described sprue bar, make a dishful of shape optical mirror slip array and its center and partly form a dishful of hole.
13. the manufacture method of an optical mirror slip is characterized in that: be the manufacture method of utilizing dish shape optical mirror slip array as claimed in claim 12, after step S4, further comprise the following step:
S5: on dish shape optical mirror slip array, line of cut is set, cuts described dish shape optical mirror slip array to be separated into single optical mirror slip along described line of cut again.
14. the manufacture method of an optical mirror slip subarray is a manufacture method of utilizing dish shape optical mirror slip array as claimed in claim 12, further comprises the following step after step S4:
S5 ': on dish shape optical mirror slip array, line of cut is set, cuts described dish shape optical mirror slip array to be separated into single optical mirror slip subarray along described line of cut again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101768243A CN102023321A (en) | 2009-09-21 | 2009-09-21 | Disc-shaped optical lens array and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101768243A CN102023321A (en) | 2009-09-21 | 2009-09-21 | Disc-shaped optical lens array and manufacturing method thereof |
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| CN102023321A true CN102023321A (en) | 2011-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093459A (en) * | 2014-04-15 | 2015-11-25 | 玉晶光电(厦门)有限公司 | Adsorption type positioning device and adsorption positioning method for optical lens |
-
2009
- 2009-09-21 CN CN2009101768243A patent/CN102023321A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093459A (en) * | 2014-04-15 | 2015-11-25 | 玉晶光电(厦门)有限公司 | Adsorption type positioning device and adsorption positioning method for optical lens |
| CN105093459B (en) * | 2014-04-15 | 2017-10-20 | 玉晶光电(厦门)有限公司 | The absorption localization method of absorption type positioner and optical mirror slip |
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Application publication date: 20110420 |