CN104588270A - Method capable of quickly detecting lens missing glue - Google Patents
Method capable of quickly detecting lens missing glue Download PDFInfo
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- CN104588270A CN104588270A CN201410841452.2A CN201410841452A CN104588270A CN 104588270 A CN104588270 A CN 104588270A CN 201410841452 A CN201410841452 A CN 201410841452A CN 104588270 A CN104588270 A CN 104588270A
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- glue
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Abstract
The invention discloses a method capable of quickly detecting lens missing glue. The method comprises the following steps: during the packaging process of the camera lens without optical filter, the fluorescent powder is added in the glue which is used for dispensing a camera lens, then the glue can emit the visible fluorescence under the irradiation of a fluorescent lamp, for the camera lens subjected to the dispensing process, and the camera lens which does not have fluorescent light can be quickly recognized by naked eyes of test people. The fluorescent powder is added in the glue used for dispensing process for the camera lens without IR sheet, the fluorescent powder has the fluorescent glowing effect which can be clearly recognized by the naked eyes under irradiation of the fluorescent lamp while the fluorescent powder can store the light energy, so that the glue dispensed camera lens can generate the fluorescent light which is recognized by naked eyes via the irradiation of the fluorescent lamp, while the camera lens missing glue cannot form the fluorescence, and the camera lens missing glue can be easily detected according to the character, the operation is simple, the missing glue situation can be avoided and the production efficiency is greatly improved.
Description
Technical field:
The present invention relates to production testing method and technology field, particularly a kind of method realizing quick detector lens leak source glue.
Background technology:
Along with the development of science and technology, in many electronic products, be all integrated with miniature taking lens, such as: mobile phone, panel computer, notebook computer etc.The camera lens that these products use adopts COB to encapsulate camera lens (i.e. chip on board encapsulation camera lens) usually.Produce this camera lens time, employing be pipelining, wherein a procedure is exactly need the marginal point glue to lens package.But because this camera lens volume is little, the product of leak source glue is there is unavoidably in a glue process, if the product of these leak source glue is not found in follow-up detection operation, when flowing in operation below, trouble will be caused to the production of subsequent handling, cause in production line not smooth, affect whole production efficiency.Even likely there is the camera lens direct goods dispatch not putting glue, consign to client, cause the complaint of client, make manufacturing enterprise cause huge economic loss and credibility loss.
Why there will be above-mentioned situation, except the factor that testing staff is artificial, maximum reason is: when adopting COB Mode encapsulations camera lens, the optical filter (IR sheet) of usual camera lens does not encapsulate simultaneously, for this containing IR sheet encapsulation camera lens for, point glue or do not put glue camera lens outward appearance almost without any difference, testing staff is difficult to identification with naked eyes, and at present also without any self-reacting device can detect.The primary solutions overcoming this problem is at present exactly the dynamics that requirement testing staff improves detection, extend detection time or increase testing staff, all camera lenses are detected one by one, need time cost and the cost of labor of at substantial like this, and cause the efficiency of whole production technology to decline to a great extent, and there will be undetected situation unavoidably
Summary of the invention:
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides the method that can realize quick detector lens leak source glue.
In order to solve the problems of the technologies described above, present invention employs following technical proposals: in the lens package process of free of light filter, fluorescent material is added with in glue camera lens being carried out to a glue, glue is made to produce macroscopic fluorescence under fluorescent lamp, the camera lens completing gluing process identifies by the naked eyes of testing staff the camera lens having no fluorescence fast, is detected.
Furthermore, in technique scheme, the fluorescent material added in described glue is ultraviolet source fluorescent material, the camera lens completing gluing process passes through UV-irradiation, produce the macroscopic fluorescence making testing staff, thus identify the camera lens having no fluorescence fast, detected.
Furthermore, in technique scheme, described glue adopts UV-cured resin, and testing process is carried out after camera lens carries out the process of glue photocuring.
After adopting technique scheme, the present invention has following beneficial effect compared with prior art: the present invention is carrying out in encapsulation process to the camera lens without IR sheet, fluorescent material is with the addition of in camera lens point glue glue, because fluorescent material is after being irradiated by natural daylight, fluorescent lamp, ultraviolet light etc., luminous energy can be stored, discharge in the mode of fluorescence slowly again, can the fluorescence radiation effect of clear identification so form naked eyes under fluorescent lamp, be similar to the fluorescent effect of RMB currency examine.Because the glue in the present invention employs fluorescent material, so the cognizable fluorescence of naked eyes just can be produced through the camera lens of a glue under fluorescent lamp, and the camera lens of leak source glue would not form this fluorescence, the camera lens of leak source glue just can very easily detect according to this characteristic by testing staff, it is simple to operate, not only can stop the generation of leak source glue situation, and can greatly enhance productivity.
In addition, for the ease of the production operation of reality, the fluorescent material adopted in the present invention is ultraviolet source fluorescent material, and this fluorescent material, under wavelength 253.7nm or other shorter wavelength ultraviolets excite, can produce the longer ultraviolet of another kind of wavelength.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of Shot Detection of the present invention.
Detailed description of the invention:
The present invention is a kind of method realizing quick detector lens leak source glue, and the method is the camera lens for free of light filter.After this camera lens point glue completes, whether very difficult Direct Test leaks glue, then can be detected fast, easily by the present invention.
The present invention is added with fluorescent material in glue camera lens being carried out to a glue, and camera lens makes glue produce macroscopic fluorescence in fluorescent lamp, and the camera lens completing gluing process identifies by the naked eyes of testing staff the camera lens having no fluorescence fast, is detected.
For the ease of operation, in the present invention, the fluorescent material added in described glue is ultraviolet source fluorescent material, and described glue adopts UV-cured resin.After completing gluing process, camera lens is needed to pass through ultraviolet light irradiation, make glue curing, now, while ultraviolet light irradiation, the camera lens territory, glue application region under fluorescent lamp completing a glue will produce the macroscopic Ultraluminescence making testing staff, thus identifies the camera lens having no fluorescence fast, is detected.
As shown in Figure 1, after completing a glue process, the camera lens of all free of light filter is placed in a pallet 3, enters glue curing operation, and in pallet 3, camera lens 1 has been the camera lens of a glue, and camera lens 2 is camera lenses of leak source glue.Under the light irradiation of fluorescent lamp 4, the territory, glue application region 11 of camera lens 1 can produce fluorescence aperture, and the territory, glue application region 21 of camera lens 2 has no fluorescence aperture, so testing staff just can clearly complete not putting detecting of glue product with naked eyes, very convenient, fast.
Whole testing process occurs in the process of glue photocuring simultaneously, taking full advantage of the wait in photocuring operation, without the need to increasing extra detection time, further improve the efficiency of production.
Principle of the present invention is exactly the characteristic utilizing fluorescent material can produce fluorescence, fluorescent material is employed at the glue of camera lens point glue, so the cognizable fluorescence of naked eyes just can be produced through the camera lens of a glue under fluorescent lamp, and the camera lens of leak source glue would not form this fluorescence, the camera lens of leak source glue just can very easily detect according to this characteristic by testing staff, it is simple to operate, not only can stop the generation of leak source glue situation, and can greatly enhance productivity.
Be below a specific embodiment of the present invention, in the present embodiment, described some glue glue adopts UV-cured resin.UV-cured resin is also called prepolymer (prepolymer).It is the relatively low photoresist of a kind of molecular weight, has the group that can carry out photocuring reaction, as all kinds of unsaturated double-bond or epoxy radicals etc.Free radical UV-cured resin is all the oligomer with unsaturated double-bond, as acryloxy, methacryloxy, vinyl, pi-allyl etc.What current application was maximum is epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin.The acrylic light-hardening resin that the UV-cured resin adopted in the present embodiment produces by Dongguan City You Xin Electronic Science and Technology Co., Ltd., model is GN235-1.The light-cured resin of this model have passed SGS examining report (test report numbering: No.CANEC1412975302), it meets European Union RoHS environmental protection instruction, is suitable as very much of the present invention glue glue.
In above-mentioned glue, add the fluorescent material of suitable dosage, or just add appropriate fluorescent material in glue production process.This fluorescent material adopts ultraviolet source fluorescent material described above, and it is under 253.7nm or other shorter wavelength ultraviolets excite, and can produce the ultraviolet fluorescent material that another kind of wavelength is longer.Such as: (BaSi2O3): Pb fluorescent material is a kind of effective ultraviolet fluorescence powder, and its peak value is 350nm.; In addition, tricalcium orthophosphate ((Ca, Zn) 3 (PO4) 2:Tl) fluorescent material, its emission wavelength 280 ~ 350nm, peak value is 310nm.
The glue that the present embodiment adopts is UV-cured resin, and a fluorescent lamp can be increased at the end of the UV stove be cured, like this after camera lens point glue completes, camera lens is sent in the process of UV stove solidified glue, utilize the time of lens curing can to detect the camera lens had cured, enhance productivity further.
Certainly, the foregoing is only specific embodiments of the invention, be not limit the scope of the present invention, all equivalences done according to structure, feature and principle described in the present patent application the scope of the claims change or modify, and all should be included in the present patent application the scope of the claims.
Claims (3)
1. one kind can realize the method for quick detector lens leak source glue, it is characterized in that: in the process that the camera lens of free of light filter is encapsulated, fluorescent material is added with in the glue of camera lens point glue, make glue can produce macroscopic fluorescence under fluorescent lamp, the camera lens completing gluing process identifies by the naked eyes of testing staff the camera lens having no fluorescence fast, is detected.
2. a kind of method realizing quick detector lens leak source glue according to claim 1, it is characterized in that: the fluorescent material added in described glue is ultraviolet source fluorescent material, the camera lens completing gluing process passes through UV-irradiation, produce the macroscopic fluorescence making testing staff, thus identify the camera lens having no fluorescence fast, detected.
3. a kind of method realizing quick detector lens leak source glue according to claim 2, is characterized in that: described glue adopts UV-cured resin, and testing process is carried out after camera lens carries out the process of glue photocuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841452.2A CN104588270A (en) | 2014-12-30 | 2014-12-30 | Method capable of quickly detecting lens missing glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841452.2A CN104588270A (en) | 2014-12-30 | 2014-12-30 | Method capable of quickly detecting lens missing glue |
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| Publication Number | Publication Date |
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| CN104588270A true CN104588270A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410841452.2A Pending CN104588270A (en) | 2014-12-30 | 2014-12-30 | Method capable of quickly detecting lens missing glue |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958456A (en) * | 2017-12-08 | 2018-04-24 | 华霆（合肥）动力技术有限公司 | Dispensing detection method, device and electronic equipment |
| CN111675818A (en) * | 2020-06-17 | 2020-09-18 | 中山明成光电科技有限公司 | Shading composite film for optical instrument and preparation method thereof |
| CN113252625A (en) * | 2021-04-27 | 2021-08-13 | 歌尔光学科技有限公司 | Glue path detection method for glue with fluorescence effect |
Citations (5)
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| JPH0734050A (en) * | 1993-07-19 | 1995-02-03 | Sekisui Chem Co Ltd | Adhesive |
| JP2000051782A (en) * | 1998-08-07 | 2000-02-22 | Car Mate Mfg Co Ltd | Coating method |
| CN1993599A (en) * | 2004-08-05 | 2007-07-04 | 东丽株式会社 | Method and apparatus for inspecting display panel and method for manufacturing display panel |
| CN103293166A (en) * | 2013-06-28 | 2013-09-11 | 申雅密封件有限公司 | Fluorescent image detection device of vehicle sealing piece coating |
| CN103648663A (en) * | 2011-06-28 | 2014-03-19 | 国誉株式会社 | Coating product and coating system |
-
2014
- 2014-12-30 CN CN201410841452.2A patent/CN104588270A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734050A (en) * | 1993-07-19 | 1995-02-03 | Sekisui Chem Co Ltd | Adhesive |
| JP2000051782A (en) * | 1998-08-07 | 2000-02-22 | Car Mate Mfg Co Ltd | Coating method |
| CN1993599A (en) * | 2004-08-05 | 2007-07-04 | 东丽株式会社 | Method and apparatus for inspecting display panel and method for manufacturing display panel |
| CN103648663A (en) * | 2011-06-28 | 2014-03-19 | 国誉株式会社 | Coating product and coating system |
| CN103293166A (en) * | 2013-06-28 | 2013-09-11 | 申雅密封件有限公司 | Fluorescent image detection device of vehicle sealing piece coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958456A (en) * | 2017-12-08 | 2018-04-24 | 华霆（合肥）动力技术有限公司 | Dispensing detection method, device and electronic equipment |
| CN111675818A (en) * | 2020-06-17 | 2020-09-18 | 中山明成光电科技有限公司 | Shading composite film for optical instrument and preparation method thereof |
| CN113252625A (en) * | 2021-04-27 | 2021-08-13 | 歌尔光学科技有限公司 | Glue path detection method for glue with fluorescence effect |
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Application publication date: 20150506 |
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