CN102830486A - Micro lens module - Google Patents
Micro lens module Download PDFInfo
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- CN102830486A CN102830486A CN2011101571514A CN201110157151A CN102830486A CN 102830486 A CN102830486 A CN 102830486A CN 2011101571514 A CN2011101571514 A CN 2011101571514A CN 201110157151 A CN201110157151 A CN 201110157151A CN 102830486 A CN102830486 A CN 102830486A
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- printing opacity
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Abstract
The invention discloses a micro lens module which comprises a first lens group and a second lens group, wherein the first lens group is configured between a material side and an image side; the surface of the first lens group closest to the material side is a first aspheric surface, which has the radius of curvature of r1; the surface of the first lens group closest to the image side is a second aspheric surface, which has the radius of curvature of r2; the second lens group is configured between the first lens group and the image side; the surface of the second lens group closest to the first lens group is a third aspheric surface, which has the radius of curvature of r3; and the surface of the second lens group closes to the image side is a fourth aspheric surface. The micro lens module meets the requirements that r1 is smaller than 0.6 millimeters and more than 0.4 millimeters, and r1/r2 is more than 0.3 and smaller than 0.6.
Description
Technical field
The present invention relates to a kind of camera lens module, and particularly relate to a kind of miniature lens module.
Background technology
Progress along with science and technology; Various portable electronic products such as mobile phone and personal digital assistant (personal digital assistant; PDA), notebook computer (notebook PC), panel computer (tablet PC) etc.; Usually miniature photographic lens is equipped with, to let the user can write down hasty and casual in the life.Under the situation that performance continue to promote and price constantly descends, camera function has become a kind of general and basic functions of portable electronic product.
Generally speaking, miniature photographic lens must possess the volume of high image quality and microminiaturization usually, with in response to the market demand.Present miniature photographic lens on the market has the various structure design according to the demand of its pixel.For example, microminiaturized at present camera lens generally includes 1～5 optical element, and has the various structure design.On the other hand, the difference of camera lens manufacture can make that also its design is different.The manufacture of camera lens can be divided into non-spherical lens, glass spherical lens, glass aspheric lenses and the compound lens that plastic cement penetrates usually at present.Mostly the miniature photographic lens that possesses these kind lens, the structural design of its optical element are independent aperture and infrared ray filter layer (IR-CUT film).Yet,, provide a miniature photographic lens that comprises the combined optical element that its necessity is arranged in order to possess high image quality and microminiaturization volume.
Summary of the invention
The object of the present invention is to provide a kind of miniature lens module, can obtain desirable image quality and have the volume of microminiaturization.
The present invention provides a kind of miniature lens module, comprises one first lens group and one second lens group.First lens group is disposed between a thing side and the picture side, is one first aspheric surface near the surface of thing side in first lens group wherein, and its radius-of-curvature is r1.Be one second aspheric surface near the surface as side in first lens group, its radius-of-curvature is r2.Second lens group is disposed between first lens group and the picture side, is one the 3rd aspheric surface near the surface of first lens group in second lens group wherein, and its radius-of-curvature is r3.Be one the 4th aspheric surface near surface in second lens group as side.Said miniature lens module meet 0.6 millimeter (millimeter, mm)＞r1＞0.4mm, and 0.3＜r1/r2＜0.6.
In one embodiment of this invention, the first above-mentioned lens group comprises from the thing side toward one first lens and one second lens arranged in regular turn as side.First lens are near the lens of thing side in the miniature lens module.The surface towards the thing side of first lens is first aspheric surface.Second lens are near the lens as side in first lens group.The surface towards as side of second lens is second aspheric surface.
In one embodiment of this invention, above-mentioned first lens and the refractive index of second lens are that Nd, Abbe number are Vd.First lens and second lens meet 1.65＞Nd＞1.48 and 55＞Vd＞25.
In one embodiment of this invention, above-mentioned first lens and the thickness of second lens are respectively d1, d2.First lens meet d1＜0.16mm, and second lens meet 0.025mm＜d2＜0.05mm.
In one embodiment of this invention, the first above-mentioned lens group comprises that also a printing opacity is dull and stereotyped.
In one embodiment of this invention, the above-mentioned dull and stereotyped refractive index of printing opacity is that Nd, Abbe number are Vd.The printing opacity flat board meets 1.7＞Nd＞1.5 and 65＞Vd＞45.
In one embodiment of this invention, the dull and stereotyped thickness of above-mentioned printing opacity is d3, and the printing opacity flat board meets 0.25mm＜d3＜0.4mm.
In one embodiment of this invention, the first above-mentioned lens group also comprises an aperture diaphragm.
In one embodiment of this invention, above-mentioned aperture diaphragm is disposed at the printing opacity flat board on the surface of thing side.
In one embodiment of this invention, the first above-mentioned lens group also optionally comprises an infrared ray filter layer (infrared filter).
In one embodiment of this invention, the second above-mentioned lens group comprises from the thing side toward one the 3rd lens and one the 4th lens arranged in regular turn as side.The 3rd lens are near the lens of first lens group in the miniature lens module.The surface towards first lens group of the 3rd lens is the 3rd aspheric surface.The 4th lens are near the lens as side in second lens group.The surface towards as side of the 4th lens is the 4th aspheric surface.
In one embodiment of this invention, above-mentioned the 3rd lens and the refractive index of the 4th lens are that Nd, Abbe number are Vd.The 3rd lens and the 4th lens meet 1.65＞Nd＞1.48 and 55＞Vd＞25.
In one embodiment of this invention, above-mentioned the 3rd lens and the thickness of the 4th lens are respectively d4, d5.The 3rd lens meet 0.025mm＜d4＜0.05mm, and the 4th lens meet 0.2mm＜d5＜0.3mm.
In one embodiment of this invention, the second above-mentioned lens group comprises that also a printing opacity is dull and stereotyped.
In one embodiment of this invention, the above-mentioned dull and stereotyped refractive index of printing opacity is that Nd, Abbe number are Vd.The printing opacity flat board meets 1.7＞Nd＞1.5 and 65＞Vd＞45.
In one embodiment of this invention, the dull and stereotyped thickness of above-mentioned printing opacity is d6, and the printing opacity flat board meets 0.25mm＜d6＜0.4mm.
In one embodiment of this invention, the effective focal length of the first above-mentioned lens group is f
1, first lens group meets 1mm＜f
1＜1.6mm.
In one embodiment of this invention, the effective focal length of above-mentioned miniature lens module is f, and the effective focal length of first lens group is f
1Miniature lens module meets 0.9＜f/f
1＜1.3.
In one embodiment of this invention, above-mentioned second aspheric surface to the, three aspheric distances are d7, and 0.25mm＜d7＜0.4mm.
Based on above-mentioned; In exemplary embodiment of the present invention, first lens group comprises aperture diaphragm and infrared ray filter layer, its optionally with first lens group in the dull and stereotyped optical element that forms combined type of lens or printing opacity; Except that can obtaining desirable image quality, have more the volume of microminiaturization.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended accompanying drawing to elaborate as follows.
Description of drawings
Figure 1A is the structural representation of the miniature lens module of one embodiment of the invention;
Figure 1B and Fig. 1 C are the image optics simulated data figure of the miniature lens module of Figure 1A;
Fig. 2 A is the structural representation of the miniature lens module of another embodiment of the present invention;
Fig. 2 B and Fig. 2 C are the image optics simulated data figure of the miniature lens module of Fig. 2 A.
The main element symbol description
60: CIS
70: over cap
100,200: miniature lens module
110,210: the first lens groups
112,212: the first lens
114,214,124,224: printing opacity is dull and stereotyped
116,216: the second lens
120,220: the second lens groups
122,222: the three lens
126,226: the four lens
S1～S10: surface
A: optical axis
D1, d2, d4, d5: the thickness of lens
D3, d6: the thickness that printing opacity is dull and stereotyped
D7: second aspheric surface to the, three aspheric distances
Embodiment
Figure 1A is the structural representation of the miniature lens module of one embodiment of the invention.Please with reference to Figure 1A, in the present embodiment, miniature lens module 100 comprises one first lens group 110 and one second lens group 120.First lens group 110 is disposed between a thing side and the picture side.Be one first aspheric surface near the surperficial S1 of thing side in first lens group 110, its radius-of-curvature is r1.Be one second aspheric surface near the surperficial S4 as side in first lens group 110, its radius-of-curvature is r2.Second lens group 120 is disposed between first lens group 110 and the picture side.Be one the 3rd aspheric surface near the surperficial S5 of first lens group 110 in second lens group 120, its radius-of-curvature is r3.Be one the 4th aspheric surface near surperficial S8 in second lens group 120 as side.In order to ensure the optical imagery quality, the miniature lens module 100 of present embodiment meets following condition: 0.6mm＞r1＞0.4mm; And 0.3＜r1/r2＜0.6.
In addition, in the present embodiment, the effective focal length of miniature lens module 100 is f, and the effective focal length of first lens group 110 is f
1In order to ensure the optical imagery quality, first lens group 110 meets following condition: 1mm＜f
1＜1.6mm; And miniature lens module 100 meets following condition: 0.9＜f/f
1＜1.3.
Particularly, first lens group 110 is disposed between the thing side and second lens group 120, and comprises by the thing side toward one first lens of arranging in regular turn as side 112, dull and stereotyped 114 and 1 second lens 116 of a printing opacity.Wherein, the aperture diaphragm of present embodiment (not illustrating) for example be disposed at printing opacity dull and stereotyped 114 on the surface of thing side.In the present embodiment, first lens group 110 more optionally comprises an infrared ray filter layer (not illustrating), and it for example is to be configured on arbitrary surface of printing opacity dull and stereotyped 114 with the mode that is coated with (coating).That is to say; The aperture diaphragm of present embodiment and infrared ray filter layer optionally with first lens group 110 in lens or printing opacity dull and stereotyped 114 form the optical element of combined types; Except that can obtaining desirable image quality, more can effectively dwindle the volume of miniature lens module.
In detail, in the present embodiment, first lens 112 are a plano-convex lens, and its convex surface S1 is towards the thing side, and planar S 2 is fitted towards the picture side and with the plane of printing opacity dull and stereotyped 114, to form this aperture diaphragm.Second lens 116 are a plano-concave lens, and its planar S 3 is fitted towards the thing side and with the plane of printing opacity dull and stereotyped 114, and concave surface S4 is towards the picture side.The refractive index of first lens 112, second lens 116 and printing opacity dull and stereotyped 114 is respectively Nd, Abbe number is respectively Vd.In order to ensure the optical imagery quality, first lens 112 and second lens 116 meet following condition: 1.65＞Nd＞1.48; And 55＞Vd＞25.Printing opacity dull and stereotyped 114 meets following condition: 1.7＞Nd＞1.5; And 65＞Vd＞45.
In addition, the thickness of first lens 112, second lens 116 and printing opacity dull and stereotyped 114 is respectively d1, d2, d3.In order effectively to dwindle the volume of miniature lens module 100, first lens 112 meet following condition: d1＜0.16mm.Second lens 116 meet following condition: 0.025mm＜d2＜0.05mm.Printing opacity dull and stereotyped 114 meets following condition: 0.25mm＜d3＜0.4mm.At this, the dull and stereotyped thickness of lens or printing opacity is meant the air line distance on optical axis A between lens or dull and stereotyped its two surface of printing opacity.
Shown in Figure 1A, in the present embodiment, first lens 112 are near the lens of thing side in the miniature lens module 100.The surperficial S1 towards the thing side of first lens 112 is this first aspheric surface.Second lens 116 are near the lens as side in first lens group 110.The surperficial S4 towards the picture side of second lens 116 is this second aspheric surface.
On the other hand, second lens group 120 is disposed between first lens group 110 and the picture side, and comprises by the thing side toward one the 3rd lens of arranging in regular turn as side 122, dull and stereotyped 124 and 1 the 4th lens 126 of a printing opacity.The 3rd lens 122 are a plano-concave lens, and its concave surface S5 is towards the thing side, and planar S 6 is fitted towards the picture side and with the plane of printing opacity dull and stereotyped 124.The 4th lens 126 are a plano-convex lens, and its planar S 7 is fitted towards the thing side and with the plane of printing opacity dull and stereotyped 124, and convex surface S8 is towards the picture side.In the present embodiment, the refractive index of the 3rd lens 122, the 4th lens 126 and printing opacity dull and stereotyped 124 is respectively Nd, Abbe number is respectively Vd.In order to ensure the optical imagery quality, the 3rd lens 122 and the 4th lens 126 meet following condition: 1.65＞Nd＞1.48; And 55＞Vd＞25.Printing opacity dull and stereotyped 124 meets following condition: 1.7＞Nd＞1.5; And 65＞Vd＞45.
In addition, the thickness of the 3rd lens 122, the 4th lens 126 and printing opacity dull and stereotyped 124 is respectively d4, d5, d6.In order effectively to dwindle the volume of miniature lens module 100, the 3rd lens 122 meet following condition: 0.025mm＜d4＜0.05mm.The 4th lens 126 meet following condition: 0.2mm＜d5＜0.3mm.Printing opacity dull and stereotyped 124 meets following condition: 0.25mm＜d6＜0.4mm.At this, the dull and stereotyped thickness of lens or printing opacity is meant the air line distance on optical axis A between lens or dull and stereotyped its two surface of printing opacity.In addition, in the present embodiment, the distance of the second aspheric surface S4 to the, three aspheric surface S5 is d7, and it meets following condition: 0.25mm＜d7＜0.4mm.At this, two aspheric distances are meant its air line distance on optical axis A.
Shown in Figure 1A, in the present embodiment, the 3rd lens 122 are near the lens of first lens group 110 in the miniature lens module 100.The surperficial S5 towards first lens group 110 of the 3rd lens 122 is the 3rd aspheric surface.The 4th lens 126 are near the lens as side in second lens group 120.The surperficial S8 towards the picture side of the 4th lens 126 is the 4th aspheric surface.
In the present embodiment, miniature lens module 100 more comprises an over cap 70, is disposed between second lens group 120 and the picture side, in order to the CIS 60 of protection between surperficial S10 and picture side.Over cap 70 has two surperficial S9, S10, and wherein surperficial S9 is towards the thing side, and surperficial S10 is towards the picture side.In the present embodiment; The material of over cap 70 is a light-transmitting materials; For example glass, transparent resin etc.; And CIS 60 can be charge coupled cell (charge coupled device, CCD), CMOS sensing element (complementary metal-oxide-semiconductor sensor, CMOS sensor) etc.
Following content is with an embodiment of illustration miniature lens module 100.Be noted that; Addressing data information listed in table one, the table two down is not in order to limit the present invention; Has common knowledge the knowledgeable after in the technical field under any, when doing suitable change, precisely because must belong in the category of the present invention to its parameter or setting with reference to the present invention.
(table)
In table one, spacing is meant the air line distance on optical axis A between two adjacently situated surfaces, for instance, the spacing of surperficial S3, promptly surperficial S3 is to the air line distance on optical axis A between surperficial S4.The pairing spacing of each optical element, refractive index and Abbe number are please with reference to each spacing, refractive index and Abbe number value corresponding in the same column in the remarks column.In addition; In table one, surperficial S1, S2 are two surfaces of first lens 112, and surperficial S3, S4 are two surfaces of second lens 116; Surface S5, S6 are two surfaces of the 3rd lens 122; Surface S7, S8 are two surfaces of the 4th lens 126, and surperficial S9, S10 are two surfaces of over cap 70, and the spacing of being filled out in wherein surperficial those row of S10 (row) is the spacing of surperficial S10 to CIS 60.
Relevant for parameter values such as each surperficial radius-of-curvature, spacings,, no longer repeat at this please with reference to table one.
Above-mentioned surperficial S1, S4, S5, S8 are an idol time aspheric surface, and its available formula is represented:
In the formula, Z is the side-play amount (sag) of optical axis A direction, and c is the inverse of the radius of osculating sphere (osculating sphere), just near the inverse of the radius-of-curvature at optical axis A place (like the radius-of-curvature of S1, S4, S5, S8 in the table one).K is quadric surface coefficient (conic), and r is the aspheric surface height, is the height of the past rims of the lens from the lens center, and α
1～α
8Be asphericity coefficient (aspheric coefficient), alpha in the present embodiment
1Be 0.What table two was listed is the parameter value of surperficial S1, S4, S5, S8.
(table two)
| The aspheric surface parameter | The quadric surface coefficient k | Alpha 2 | Alpha 3 | Alpha 4 |
| S1 | ?-21.1568 | 17.35588 | -335.06644 | 4674.8458 |
| S4 | ?11.02326 | 0.07634673 | -9.3853115 | 482.35541 |
| S5 | ?0 | -2.6700512 | -10.762533 | 490.36406 |
| S8 | ?0 | -0.4685337 | 0.33931121 | -1.2672644 |
| The aspheric surface parameter | Alpha 5 | Alpha 6 | Alpha 7 | Alpha 8 |
| S1 | ?-24877.173 | -250047.89 | 4246116.2 | -16811132 |
| S4 | ?-9249.0774 | 55891.681 | 411591.02 | -4451492.1 |
| S5 | ?-10875.2 | 40700.291 | 668866.93 | -5483350.1 |
| S8 | ?-7.844273 | 25.160946 | -23.810649 | -0.1955645 |
Figure 1B and Fig. 1 C are the image optics simulated data figure of the miniature lens module 100 of Figure 1A., wherein be the figure of the curvature of field (field curvature) and distortion (distortion) from left to right in regular turn among Figure 1B please with reference to Figure 1B.In addition, Fig. 1 C is the transverse light rays sector diagram (transverse ray fan plot) of image.But the miniature lens module 100 of the figure knowledge capital embodiment that is demonstrated by Figure 1B and Fig. 1 C can show good image quality under the situation of the volume with microminiaturization.
Fig. 2 A is the structural representation of the miniature lens module 200 of another embodiment of the present invention.Please with reference to Fig. 2 A, the miniature lens module 200 of present embodiment is similar with the miniature lens module 100 of Figure 1A, below just both different parts do explanation, something in common just no longer repeats.
In the present embodiment, miniature lens module 200 comprises one first lens group 210 and one second lens group 220.First lens group 210 is disposed between a thing side and the picture side.Be one first aspheric surface near the surperficial S1 of thing side in first lens group 210, its radius-of-curvature is r1.Be one second aspheric surface near the surperficial S4 as side in first lens group 210, its radius-of-curvature is r2.Second lens group 220 is disposed between first lens group 210 and the picture side.Be one the 3rd aspheric surface near the surperficial S5 of first lens group 210 in second lens group 220, its radius-of-curvature is r3.Be one the 4th aspheric surface near surface in second lens group 220 as side.In order to ensure the optical imagery quality, the miniature lens module 200 of present embodiment meets following condition: 0.6mm＞r1＞0.4mm; And 0.3＜r1/r2＜0.6.
Shown in Fig. 2 A, in the present embodiment, first lens 212 are near the lens of thing side in the miniature lens module 200.The surperficial S1 towards the thing side of first lens 212 is this first aspheric surface.Second lens 216 are near the lens as side in first lens group 210.The surperficial S4 towards the picture side of second lens 216 is this second aspheric surface.The 3rd lens 222 are near the lens of first lens group 210 in the miniature lens module 200.The surperficial S5 towards first lens group 210 of the 3rd lens 222 is the 3rd aspheric surface.The 4th lens 226 are near the lens as side in second lens group 220.The surperficial S8 towards the picture side of the 4th lens is the 4th aspheric surface.
Following content is with an embodiment of illustration miniature lens module 200.Be noted that; Addressing data information listed in table three, the table four down is not in order to limit the present invention; Has common knowledge the knowledgeable after in the technical field under any, when doing suitable change, precisely because must belong in the category of the present invention to its parameter or setting with reference to the present invention.
(table three)
In table three, spacing is meant the air line distance on optical axis A between two adjacently situated surfaces, for instance, the spacing of surperficial S3, promptly surperficial S3 is to the air line distance on optical axis A between surperficial S4.The pairing spacing of each optical element, refractive index and Abbe number are please with reference to each spacing, refractive index and Abbe number value corresponding in the same column in the remarks column.In addition; In table three, surperficial S1, S2 are two surfaces of first lens 212, and surperficial S3, S4 are two surfaces of second lens 216; Surface S5, S6 are two surfaces of the 3rd lens 222; Surface S7, S8 are two surfaces of the 4th lens 226, and surperficial S9, S10 are two surfaces of over cap 70, and the spacing of being filled out in wherein surperficial those row of S10 (row) is the spacing of surperficial S10 to CIS 60.
Relevant for parameter values such as each surperficial radius-of-curvature, spacings,, no longer repeat at this please with reference to table three.
Above-mentioned surperficial S1, S4, S5, S8 are an idol time aspheric surface, and its available formula is represented:
In the formula, Z is the side-play amount (sag) of optical axis A direction, and c is the inverse of the radius of osculating sphere (osculating sphere), just near the inverse of the radius-of-curvature at optical axis A place (like the radius-of-curvature of S1, S4, S5, S8 in the table three).K is quadric surface coefficient (conic), and r is the aspheric surface height, is the height of the past rims of the lens from the lens center, and α
1～α
8Be asphericity coefficient (aspheric coefficient), alpha in the present embodiment
1Be 0.What table four was listed is the parameter value of surperficial S1, S4, S5, S8.
(table four)
| The aspheric surface parameter | The quadric surface coefficient k | Alpha 2 | Alpha 3 | Alpha 4 |
| S1 | ?-33.2054 | 13.781097 | -267.64343 | 3606.7456 |
| S4 | ?-22.919 | 1.098778 | 48.820729 | -1109.5538 |
| S5 | ?0 | 0.14350126 | -94.201136 | 3154.4947 |
| S8 | ?0 | -0.0658990 | -0.5448229 | -1.7673738 |
| The aspheric surface parameter | Alpha 5 | Alpha 6 | Alpha 7 | Alpha 8 |
| S1 | ?-16975.777 | -221169.4 | 3318861.3 | -12498261 |
| S4 | ?3518.5051 | 219853.6 | -3158354.3 | 13332453 |
| S5 | ?-64739.23 | 751635.48 | -4562309.4 | 11136760 |
| S8 | ?8.7451921 | -17.309237 | 11.285346 | -0.1633849 |
Fig. 2 B and Fig. 2 C are the image optics simulated data figure of the miniature lens module 200 of Fig. 2 A., wherein be the figure of the curvature of field (field curvature) and distortion (distortion) from left to right in regular turn among Fig. 2 B please with reference to Fig. 2 B.In addition, Fig. 2 C is the transverse light rays sector diagram (transverse ray fan plot) of image.But the miniature lens module 200 of the figure knowledge capital embodiment that is demonstrated by Fig. 2 B and Fig. 2 C can show good image quality under the situation of the volume with microminiaturization.
In sum; In exemplary embodiment of the present invention, first lens group comprises aperture diaphragm and infrared ray filter layer, its optionally with first lens group in the dull and stereotyped optical element that forms combined type of lens or printing opacity; Except that can obtaining desirable image quality, have more the volume of microminiaturization.
Though disclosed the present invention in conjunction with above embodiment; Yet it is not in order to limit the present invention; Be familiar with this operator in the technical field under any; Do not breaking away from the spirit and scope of the present invention, can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (19)
1. miniature lens module comprises:
First lens group; Being disposed between a thing side and the picture side, is one first aspheric surface near the surface of this thing side in this first lens group wherein, and its radius-of-curvature is r1; Be one second aspheric surface near this surface as side in this first lens group, its radius-of-curvature is r2; And
Second lens group; Being disposed at this first lens group and this as between the side, is one the 3rd aspheric surface near the surface of this first lens group in this second lens group wherein, and its radius-of-curvature is r3; Be one the 4th aspheric surface near this surface in this second lens group as side
Wherein, this miniature lens module meet 0.6 millimeter (millimeter, mm)＞r1＞0.4mm, and 0.3＜r1/r2＜0.6.
2. miniature lens module as claimed in claim 1; Wherein this first lens group comprises from this thing side toward these one first lens and one second lens of arranging in regular turn as side; These first lens are near the lens of this thing side in this miniature lens module; The surface towards this thing side of these first lens is this first aspheric surface, these second lens be in this first lens group near these lens as side, these second lens be this second aspheric surface towards this surface as side.
3. miniature lens module as claimed in claim 2, wherein the refractive index of these first lens and these second lens is that Nd, Abbe number are Vd, these first lens and this second lens meet 1.65＞Nd＞1.48 and 55＞Vd＞25.
4. miniature lens module as claimed in claim 2, wherein the thickness of these first lens and these second lens is respectively d1, d2, and these first lens meet d1＜0.16mm, and these second lens meet 0.025mm＜d2＜0.05mm.
5. miniature lens module as claimed in claim 2, wherein this first lens group comprises that also printing opacity is dull and stereotyped.
6. miniature lens module as claimed in claim 5, wherein the dull and stereotyped refractive index of this printing opacity is that Nd, Abbe number are Vd, this printing opacity flat board meets 1.7＞Nd＞1.5 and 65＞Vd＞45.
7. miniature lens module as claimed in claim 5, wherein the dull and stereotyped thickness of this printing opacity is d3, this printing opacity flat board meets 0.25mm＜d3＜0.4mm.
8. miniature lens module as claimed in claim 5, wherein this first lens group also comprises aperture diaphragm.
9. miniature lens module as claimed in claim 8, wherein this aperture diaphragm is disposed at this printing opacity flat board on the surface of this thing side.
10. miniature lens module as claimed in claim 2, wherein this first lens group also optionally comprises infrared ray filter layer (infrared filter).
11. miniature lens module as claimed in claim 2; Wherein this second lens group comprises from this thing side toward these the 3rd lens and the 4th lens of arranging in regular turn as side; The 3rd lens are near the lens of this first lens group in this miniature lens module; The surface towards this first lens group of the 3rd lens is the 3rd aspheric surface, the 4th lens be in this second lens group near these lens as side, the 4th lens be the 4th aspheric surface towards this surface as side.
12. miniature lens module as claimed in claim 11, wherein the refractive index of the 3rd lens and the 4th lens is that Nd, Abbe number are Vd, and the 3rd lens and the 4th lens meet 1.65＞Nd＞1.48 and 55＞Vd＞25.
13. miniature lens module as claimed in claim 11, wherein the thickness of the 3rd lens and the 4th lens is respectively d4, d5, and the 3rd lens meet 0.025mm＜d4＜0.05mm, and the 4th lens meet 0.2mm＜d5＜0.3mm.
14. miniature lens module as claimed in claim 11, wherein this second lens group comprises that also printing opacity is dull and stereotyped.
15. miniature lens module as claimed in claim 14, wherein the dull and stereotyped refractive index of this printing opacity is that Nd, Abbe number are Vd, and this printing opacity flat board meets 1.7＞Nd＞1.5 and 65＞Vd＞45.
16. miniature lens module as claimed in claim 14, wherein the dull and stereotyped thickness of this printing opacity is d6, and this printing opacity flat board meets 0.25mm＜d6＜0.4mm.
17. miniature lens module as claimed in claim 1, wherein the effective focal length of this first lens group is f
1, this first lens group meets 1mm＜f
1＜1.6mm.
18. miniature lens module as claimed in claim 1, wherein the effective focal length of this miniature lens module is f, and the effective focal length of this first lens group is f
1, this miniature lens module meets 0.9＜f/f
1＜1.3.
19. miniature lens module as claimed in claim 1, wherein this second aspheric surface to the 3rd aspheric distance is d7, and 0.25mm＜d7＜0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157151.4A CN102830486B (en) | 2011-06-13 | 2011-06-13 | Micro lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157151.4A CN102830486B (en) | 2011-06-13 | 2011-06-13 | Micro lens module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102830486A true CN102830486A (en) | 2012-12-19 |
| CN102830486B CN102830486B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110157151.4A Expired - Fee Related CN102830486B (en) | 2011-06-13 | 2011-06-13 | Micro lens module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977634A (en) * | 2014-04-03 | 2015-10-14 | 奇景光电股份有限公司 | Lens array |
| CN106154536A (en) * | 2015-04-10 | 2016-11-23 | 奇景光电股份有限公司 | Imaging lens system |
| EP3226052A1 (en) * | 2016-03-30 | 2017-10-04 | Delphi Technologies, Inc. | Camera assembly for use on a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236935A (en) * | 2006-12-21 | 2009-10-15 | Milestone Kk | Imaging lens |
| CN101604066A (en) * | 2008-06-12 | 2009-12-16 | 一品光学工业股份有限公司 | Wide-angle double-lens optical taking lens |
| TWM392366U (en) * | 2010-04-30 | 2010-11-11 | Himax Tech Ltd | Lens structure |
| CN101957493A (en) * | 2009-07-17 | 2011-01-26 | 柯尼卡美能达精密光学株式会社 | Phtographic lens and device, portable terminal, phtographic lens and device producing method |
-
2011
- 2011-06-13 CN CN201110157151.4A patent/CN102830486B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236935A (en) * | 2006-12-21 | 2009-10-15 | Milestone Kk | Imaging lens |
| CN101604066A (en) * | 2008-06-12 | 2009-12-16 | 一品光学工业股份有限公司 | Wide-angle double-lens optical taking lens |
| CN101957493A (en) * | 2009-07-17 | 2011-01-26 | 柯尼卡美能达精密光学株式会社 | Phtographic lens and device, portable terminal, phtographic lens and device producing method |
| TWM392366U (en) * | 2010-04-30 | 2010-11-11 | Himax Tech Ltd | Lens structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977634A (en) * | 2014-04-03 | 2015-10-14 | 奇景光电股份有限公司 | Lens array |
| CN106154536A (en) * | 2015-04-10 | 2016-11-23 | 奇景光电股份有限公司 | Imaging lens system |
| EP3226052A1 (en) * | 2016-03-30 | 2017-10-04 | Delphi Technologies, Inc. | Camera assembly for use on a vehicle |
| CN107272304A (en) * | 2016-03-30 | 2017-10-20 | 德尔福技术有限公司 | For the photomoduel used on vehicle |
| US9798054B1 (en) | 2016-03-30 | 2017-10-24 | Delphi Technologies, Inc. | Camera assembly for use on a vehicle |
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|---|---|
| CN102830486B (en) | 2014-11-05 |
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