CN202189176U - Focusing-free optical pick-up head module - Google Patents
Focusing-free optical pick-up head module Download PDFInfo
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- CN202189176U CN202189176U CN2011202406914U CN201120240691U CN202189176U CN 202189176 U CN202189176 U CN 202189176U CN 2011202406914 U CN2011202406914 U CN 2011202406914U CN 201120240691 U CN201120240691 U CN 201120240691U CN 202189176 U CN202189176 U CN 202189176U
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- eyeglass
- exempting
- rear end
- lens set
- accommodation space
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Abstract
The utility model discloses a focusing-free optical pick-up head module, including an eyeglass set and an image chip. The last surface of the eyeglass set is flat-plate-shaped and gummed on the image chip, a spacer and a pedestal between a traditional lens and the image chip for keeping a back focal length are saved, the spacer thickness tolerance caused by spacer manufacture is eliminated, the focusing-free purpose is realized, the image quality is guaranteed, and in addition, the bonding area is increased, the bonding of the whole focusing-free optical pick-up head module is firmer. The eyeglass with a small optical effective diameter at the front end and the eyeglass with a large optical effective diameter at the back end are prepared separately, and are connected through a lens housing and a distance spacer; and under the condition that the optical design and processing requirement is satisfied, the dimension of the eyeglass with a small optical effective diameter is minimized; compared to the traditional module, in the focusing-free optical pick-up head module, the width and the component number are reduced, the whole technology process is shortened, manpower, material resource and manufacture time are saved, good yield is high, and the focusing-free optical pick-up head module is suitable for the SMT technology.
Description
Technical field
The utility model belongs to optics camera field, is specifically related to a kind of high pixel optics camera of exempting to focus.
Background technology
Jiao foreshortens in 100 microns after in patent documentation 1 (the open 201654308U patent gazette of China), having recorded and narrated machinery; Save spacer ring and directly be glued to camera lens on the cover glass of image chip, reduce the method that manufacturing tolerance is made the high-quality optics camera module of exempting to focus with this with glue.
In patent documentation 1, last surface of exempting from the focusing lens group is for optical aspherical surface, can not be directly and the cover glass of image chip directly bonding; Be used as the position bonding and need beyond the optics effective diameter, establish a segment structure zone in addition with the image chip cover glass; So just increased the bore of exempting from focusing lens, what make that a slice glass wafer (diameter 200mm) go up to obtain exempts from focusing lens product decreased number, thus lifting exempt from the cost of products of focusing lens; And for the whole optics camera module of exempting to focus; Exempt from focusing lens and image chip when bonding, have only the neighboring area bonding, and middle be still separation; It is not very abundant causing bonded areas, and product reliability can not optimization.In addition, progressively to new material, high pixel, microminiaturized development, traditional design needs more step improvement in the development of camera module.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of optics camera module of exempting to focus, and this optics camera module of exempting to focus can reduce the volume of module, promotes utilization rate of raw materials, and the whole optics camera module of exempting to focus bonds more firmly.
The utility model for the technical scheme that solves its technical matters and adopt is:
A kind of optics camera module of exempting to focus has lens set and image chip, and last surface of said lens set is that tabular and whole face are glued on the said image chip.Directly glue together through the high light transmission rate UV glue of several micron thickness directly and between the image chip on whole of last surface of lens set; Saved and kept back burnt spacer ring and base between conventional lenses and the image chip; Remove the spacer ring thickness deviation of bringing into when making spacer ring (± 10 microns); Reach the effect of exempting to focus, the optics camera module that guarantees to exempt to focus has high picture quality.
The further technical scheme of the utility model is:
Said lens set is divided into front end lens set and rear end eyeglass; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass; Be provided with the camera lens outer cover and apart from spacer ring; The said optics camera module of exempting to focus is by said camera lens outer cover, front end lens set, constitute apart from spacer ring, rear end eyeglass and image chip; Said front end lens set is glued at the inner front portion of said camera lens outer cover; Saidly be positioned at said front end lens set rear and be glued at said camera lens outer cover apart from spacer ring, said rear end eyeglass is positioned at said apart from the spacer ring rear and be glued at said camera lens outer cover, and the surface is glued on the said image chip for tabular and whole face behind the eyeglass of said rear end.Lens set be in the middle of or periphery all be UV glue close adhesion with high light transmission rate in image chip and camera lens outer cover, increased adhesion area, make the whole optics camera module of exempting to focus bond more firmly, reliability of products has obtained optimization.According to the optics effective diameter of optical lens design feature front end eyeglass much smaller than the rear end lens optical effective diameter, the difference of high pixel lens optical effective diameter front-end and back-end is more obvious.The less eyeglass of front end optics effective diameter and the big eyeglass of rear end optics effective diameter of the optics camera module of exempting to focus are separately made, through the camera lens outer cover with link to each other apart from spacer ring.
Some independently eyeglasses that said front end lens set is arranged by front and back side by side glue together each other and form.Adopt and separately make the mode of gummed again; Under the prerequisite that satisfies optical design and processing, make the less front end lens shape of optics effective diameter reach minimum; Can effectively reduce raw-material use than eyeglass integral manufacturing, promote production capacity, practice thrift cost; Separate making like three less eyeglasses of optics effective diameter and the 4th eyeglass that effective diameter is bigger, first three sheet eyeglass manys 240% when glass wafer (diameter 200mm) obtains quantity than four eyeglass integral manufacturings.
Said rear end eyeglass front end and said glues together apart from the spacer ring rear end.
Said image chip has cover glass, and last surface of said lens set is glued on the said cover glass front surface.
The accommodation space that said camera lens outer cover inside has the column of former and later two connections; Accommodation space holds said front end lens set before said; Said back accommodation space holds said apart from spacer ring, rear end eyeglass and image chip; Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step, saidly replaces said first step apart from the spacer ring front end.
Said camera lens outer cover front end has the light hole that is communicated with said preceding accommodation space; Said light hole rear end diameter is less than said preposition accommodation space diameter; Said light hole and said preceding accommodation space connecting place constitute second step, and said front end lens set front end is replaced said second step.
The accommodation space rear end extends radially inwardly out a circle back-up ring before said, and said back-up ring is replaced in said front end lens set rear end.
Said front end lens set has two eyeglasses or three eyeglasses.
The beneficial effect of the utility model is: since the utility model exempt from whole of last surface of lens set of optics camera module direct high light transmission rate UV glue gummed through several micron thickness directly and between the image chip of focusing; Saved and kept back burnt spacer ring and base between conventional lenses and the image chip; Remove the spacer ring thickness deviation of bringing into when making spacer ring; Reach the effect of exempting to focus, the optics camera module that guarantees to exempt to focus has high picture quality; And lens group be in the middle of or periphery all with camera lens outer cover and image chip close adhesion, increased adhesion area, make the whole optics camera module of exempting to focus bond more firmly, reliability of products has obtained optimization; Less eyeglass of front end optics effective diameter and the big eyeglass of rear end optics effective diameter are separately made; Through the camera lens outer cover with link to each other apart from spacer ring; Under the prerequisite that satisfies optical design and processing, make the less lens shape of optics effective diameter reach minimum; Can effectively reduce raw-material use than eyeglass integral manufacturing, promote production capacity, practice thrift cost; The whole optics camera module of exempting to focus is compared volume-diminished (mainly aspect the thickness) with traditional module, spare part reduces; Be fit to SMT technology; The integrated artistic processing procedure shortens; Practice thrift human and material resources and manufacturing time, thereby promoted yield, promoted the manufacturability of the whole optics camera module of exempting to focus.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 2 structural representations;
Fig. 3 is the utility model embodiment 3 structural representations;
Fig. 4 is the utility model embodiment 4 structural representations.
Embodiment
Embodiment 1: a kind of 1,300,000 pixels optics camera module of exempting to focus; As shown in Figure 1; By camera lens outer cover 1, front end lens set, constitute apart from spacer ring 3, rear end eyeglass 23 and image chip 5; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass, wherein the front end lens set eyeglass one of arranging side by side, eyeglass 2 21,22 by front and back each other gummed form, surface, rear end eyeglass 23 back is glued on the cover glass 4 of said image chip 5 for tabular and whole face.
The accommodation space that said camera lens outer cover inside has the column of former and later two connections; Preceding accommodation space holds eyeglass one, eyeglass two; Back accommodation space holds apart from spacer ring, rear end eyeglass and image chip; Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step 11.
Said camera lens outer cover front end has the light hole that is communicated with said preceding accommodation space, and said light hole rear end diameter is less than said preposition accommodation space diameter, and said light hole and said preceding accommodation space connecting place constitute second step 12.
Wherein, Eyeglass 1, eyeglass 2 22, apart from spacer ring 3, rear end eyeglass 23 and image chip 5 respectively successively from the rear end group go into the 1 back point glue sealing of camera lens outer cover; Eyeglass one 21 front ends are replaced said second step 12; Replace said first step 11 apart from spacer ring 3 front ends, camera lens outer cover 1 be connected eyeglass 1, eyeglass 2 22 and rear end eyeglass 23 together apart from spacer ring 3.
Embodiment 2: a kind of 1,300,000 pixels optics camera module of exempting to focus; As shown in Figure 2; By camera lens outer cover 1, front end lens set, constitute apart from spacer ring 3, rear end eyeglass 23 and image chip 5; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass, wherein the front end lens set eyeglass one of arranging side by side, eyeglass 2 21,22 by front and back each other gummed form, surface, rear end eyeglass 23 back is glued on the cover glass 4 of said image chip 5 for tabular and whole face.
The accommodation space that said camera lens outer cover inside has the column of former and later two connections; Preceding accommodation space holds eyeglass one, eyeglass two; Back accommodation space holds apart from spacer ring, rear end eyeglass and image chip; Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step 11.
The accommodation space rear end extends radially inwardly out a circle back-up ring 13 before said.
Wherein, Less eyeglass 1, the eyeglass 2 22 of profile gone into from camera lens outer cover 1 front group; Said back-up ring 13 is replaced in eyeglass 2 22 rear ends; Apart from spacer ring 3, rear end eyeglass 23 and image chip 5 from camera lens outer cover rear end group go into, replace said first step 11 apart from spacer ring 3 front ends, seal at assembling process mid point glue.
Present embodiment has reduced the height of the whole optics camera module of exempting to focus.
Eyeglass 1, eyeglass 2 22 encapsulate (wafer scale) together in embodiment 1,2, and two eyeglasses use UV glue close adhesion; Encapsulate (wafer scale) together apart from spacer ring 3 and rear end eyeglass 23, use UV glue close adhesion equally.Eyeglass 1, eyeglass 2 22 profiles are minimum under the prerequisite that satisfies optical design and processing like this, and eyeglass one, eyeglass two many 240% when a slice glass wafer (diameter 200mm) obtains quantity than three eyeglass integral manufacturings.Eyeglass divides two parts to adopt semi-conductive encapsulation manufacturing method, removes conventional lenses eyeglass pad in the time of mass production from and assembles the tolerance of bringing successively.Surface, rear end eyeglass 23 back is tabular and is glued on the said image chip; Be that lens set 2 last surface are sheet glass; And have only several microns with the front surface spacing of the cover glass 4 of image chip 5; Make that exempting from focusing lens can not want spacer ring, direct direct and cover glass holding tightly together everywhere from the center to the periphery with the UV glue of high light transmission rate, and obtain the optics camera module product of focusing of exempting from of high-quality, high reliability; Dwindled the bore of the optical lens of exempting to focus on this basis, gone up at a slice glass wafer (diameter 200mm) and obtain than have more originally to exempt from focusing lens product number about 80%.
Embodiment 3: a kind of 3,000,000 pixels optics camera module of exempting to focus; As shown in Figure 3; By camera lens outer cover 1, front end lens set, constitute apart from spacer ring 3, rear end eyeglass 23 and image chip 5; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass; Wherein the front end lens set eyeglass 1 of arranging side by side, eyeglass 2 22, eyeglass 3 24 by front and back each other gummed form, surface, rear end eyeglass 23 back is glued on the cover glass 4 of said image chip 5 for tabular and whole face.
The accommodation space that said camera lens outer cover inside has the column of former and later two connections; Preceding accommodation space holds eyeglass one, eyeglass two, eyeglass three; Back accommodation space holds apart from spacer ring, rear end eyeglass and image chip; Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step 11.
Said camera lens outer cover front end has the light hole that is communicated with said preceding accommodation space, and said light hole rear end diameter is less than said preposition accommodation space diameter, and said light hole and said preceding accommodation space connecting place constitute second step 12.
Wherein, Eyeglass 1, eyeglass 2 22, eyeglass 3 24, apart from spacer ring 3, rear end eyeglass 23 and image chip 5 respectively successively from the rear end group go into the 1 back point glue sealing of camera lens outer cover; Eyeglass one 21 front ends are replaced said second step 12; Replace said first step 11 apart from spacer ring 3 front ends, camera lens outer cover 1 be connected eyeglass 1, eyeglass 2 22, eyeglass 3 24 and rear end eyeglass 23 together apart from spacer ring 3.
Embodiment 4: a kind of 3,000,000 pixels optics camera module of exempting to focus; As shown in Figure 4; By camera lens outer cover 1, front end lens set, constitute apart from spacer ring 3, rear end eyeglass 23 and image chip 5; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass; Wherein the front end lens set eyeglass 1 of arranging side by side, eyeglass 2 22, eyeglass 3 24 by front and back each other gummed form, surface, rear end eyeglass 23 back is glued on the cover glass 4 of said image chip 5 for tabular and whole face.
The accommodation space that said camera lens outer cover inside has the column of former and later two connections; Preceding accommodation space holds eyeglass one, eyeglass two, eyeglass three; Back accommodation space holds apart from spacer ring, rear end eyeglass and image chip; Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step 11.
The accommodation space rear end extends radially inwardly out a circle back-up ring 13 before said.
Wherein, Less eyeglass 1, eyeglass 2 22, the eyeglass 24 3 of profile gone into from camera lens outer cover 1 front group; Said back-up ring 13 is replaced in eyeglass 3 24 rear ends; Go into from camera lens outer cover 1 rear end group apart from spacer ring 3, rear end eyeglass 23 and image chip 5, replace said first step 11, seal at assembling process mid point glue apart from spacer ring 3 front ends.
In embodiment 3,4, consider the manufacture craft in later stage during design, different with the design of traditional six aspheric surface prismatic glasseses, embodiment 3,4 uses the structure of six aspheric surfaces, four eyeglasses.The eyeglass 1 of front end, eyeglass 2 22, eyeglass 3 24 encapsulate (wafer scale) together, and three eyeglasses use UV glue close adhesion.Encapsulate (wafer scale) together apart from spacer ring 3 and rear end eyeglass 23, use UV glue close adhesion equally.Eyeglass 1, eyeglass 2 22, eyeglass 3 24 profiles are minimum under the prerequisite that satisfies optical design and processing like this, and eyeglass one, eyeglass two, eyeglass three many 200% when a slice glass wafer (diameter 200mm) obtains quantity than four eyeglass integral manufacturings.Eyeglass divides two parts to adopt semi-conductive encapsulation manufacturing method, removes conventional lenses eyeglass pad in the time of mass production from and assembles the tolerance of bringing successively.Surface, rear end eyeglass 23 back is tabular and is glued on the said image chip 5; Be that lens set 2 last surface are sheet glass; And have only several microns with the front surface spacing of the cover glass 4 of image chip 5; Make that exempting from focusing lens can not want spacer ring, direct direct and cover glass holding tightly together everywhere from the center to the periphery with the UV glue of high light transmission rate, and obtain the optics camera module product of focusing of exempting from of high-quality, high reliability; Dwindled the bore of the optics camera module of exempting to focus on this basis, gone up at a slice glass wafer (diameter 200mm) and obtain than have more originally to exempt from focusing lens product number about 80%.
More than four embodiment all can effectively reduce to exempt to focus optics camera module volume (mainly aspect thickness), reduce spare part; Be fit to SMT technology; The integrated artistic processing procedure is more simplified and control more easily, has practiced thrift human and material resources and manufacturing time, thereby promotes yield; Reduce the cost of the whole optics camera module of exempting to focus, enhancing price ratio and competitive power.
Claims (10)
1. optics camera module of exempting to focus is characterized in that: have lens set (2) and image chip (5), last surface of said lens set (2) is glued on the said image chip (5) for tabular and whole face.
2. the optics camera module of exempting to focus according to claim 1; It is characterized in that: said lens set (2) is divided into front end lens set and rear end eyeglass; The optics effective diameter of said front end lens set is less than the optics effective diameter of said rear end eyeglass; Be provided with camera lens outer cover (1) and apart from spacer ring (3); The said optics camera module of exempting to focus is by said camera lens outer cover (1), front end lens set, constitute apart from spacer ring (3), rear end eyeglass (23) and image chip (5); Said front end lens set is glued at the inner front portion of said camera lens outer cover (1); Saidly be positioned at said front end lens set rear and be glued at said camera lens outer cover (1) apart from spacer ring (3), said rear end eyeglass is positioned at said apart from spacer ring (3) rear and be glued at said camera lens outer cover (1), and surface, said rear end eyeglass (23) back is glued on the said image chip (5) for tabular and whole face.
3. the optics camera module of exempting to focus according to claim 1 is characterized in that: some independently eyeglasses that said front end lens set is arranged by front and back side by side glue together each other and form.
4. the optics camera module of exempting to focus according to claim 1 is characterized in that: said rear end eyeglass (23) front end and said glues together apart from spacer ring (3) rear end.
5. the optics camera module of exempting to focus according to claim 1, it is characterized in that: said image chip (5) has cover glass (4), and last surface of said lens set (2) is glued on said cover glass (4) front surface.
6. the optics camera module of exempting to focus according to claim 1; It is characterized in that: the accommodation space that said camera lens outer cover (1) inside has the column of former and later two connections; Accommodation space holds said front end lens set before said; Said back accommodation space holds said apart from spacer ring (3), rear end eyeglass (23) and image chip (5); Back accommodation space diameter is greater than preceding accommodation space diameter, and forward and backward accommodation space connecting place constitutes first step (11), saidly replaces said first step (11) apart from spacer ring (3) front end.
7. the optics camera module of exempting to focus according to claim 6; It is characterized in that: said camera lens outer cover front end has the light hole that is communicated with said preceding accommodation space; Said light hole rear end diameter is less than said preposition accommodation space diameter; Said light hole and said preceding accommodation space connecting place constitute second step (12), and said front end lens set front end is replaced said second step.
8. the optics camera module of exempting to focus according to claim 7 is characterized in that: the accommodation space rear end extends radially inwardly out a circle back-up ring (13) before said, and said back-up ring is replaced in said front end lens set rear end.
9. according to the described optics camera module of exempting to focus of one of claim 1 to 6, it is characterized in that: said front end lens set has two eyeglasses.
10. according to the described optics camera module of exempting to focus of one of claim 1 to 6, it is characterized in that: said front end lens set has three eyeglasses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202406914U CN202189176U (en) | 2011-07-08 | 2011-07-08 | Focusing-free optical pick-up head module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202406914U CN202189176U (en) | 2011-07-08 | 2011-07-08 | Focusing-free optical pick-up head module |
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| Publication Number | Publication Date |
|---|---|
| CN202189176U true CN202189176U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202406914U Expired - Fee Related CN202189176U (en) | 2011-07-08 | 2011-07-08 | Focusing-free optical pick-up head module |
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| CN (1) | CN202189176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866477A (en) * | 2011-07-08 | 2013-01-09 | 昆山西钛微电子科技有限公司 | Free focus optical camera module |
-
2011
- 2011-07-08 CN CN2011202406914U patent/CN202189176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866477A (en) * | 2011-07-08 | 2013-01-09 | 昆山西钛微电子科技有限公司 | Free focus optical camera module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20150708 |
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| EXPY | Termination of patent right or utility model |