CN106851257B - The assemble method of camera lens and image sensor to be assembled - Google Patents
The assemble method of camera lens and image sensor to be assembled Download PDFInfo
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- CN106851257B CN106851257B CN201611225991.9A CN201611225991A CN106851257B CN 106851257 B CN106851257 B CN 106851257B CN 201611225991 A CN201611225991 A CN 201611225991A CN 106851257 B CN106851257 B CN 106851257B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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Abstract
The invention discloses the assemble methods of a kind of camera lens to be assembled and image sensor, this method comprises: providing at least two test cards, wherein be provided at least two test points on each test card；At least two test cards are placed in parallel with image sensor, and the central axis of each test card and the center overlapping of axles of image sensor, wherein, a test point at least two test points on each test card is located on the central axis of image sensor, remaining test point on a test card at least two test cards respectively on other test cards being arranged at least two test cards remaining, the line of corresponding test point pass through lens assembling qualification to be assembled when camera lens center；Test point on each test card is imaged；According to the imaging of test point, it is qualified to judge whether camera lens to be assembled assembles with image sensor.
Description
Technical field
The present invention relates to camera module technical fields, more particularly, to a kind of camera lens to be assembled and image sensor
Assemble method.
Background technique
In camera module assembling process, the confirmation of the relative position of camera lens and image sensor is most important.Fig. 1 is shown
Position view both when the assembling of camera lens and image sensor is qualified, referring to Fig. 1, camera lens 110 and image sensor 120
It is parallel to each other, and the central axis (dotted line shown in Fig. 1) of camera lens 110 and the central axis of image sensor (are shown in Fig. 1
Dotted line) be overlapped.
In the prior art, the assembling of camera lens and image sensor is usually completed using test card, on the test card
It is provided with resolution chart.Fig. 2 shows the assembling schematic diagrams of camera lens in the prior art and image sensor, referring to fig. 2, in image
The front of sensor 120 is provided with a test card 130, before assembling to camera lens, it should be ensured that test card 130 and shadow
As sensor 120 is parallel to each other, after the relative position of test card 130 and image sensor 120 meets the requirements, pass through a light
Source is irradiated test card 130, after light is through test card 130 and camera lens 110, by the test chart on test card 130
Shape is imaged on image sensor, judges whether camera lens 110 and image sensor 120 assemble qualification according to the imaging.But
Be resolution chart on test card it is mostly cross, grid etc., makes complex.
Summary of the invention
It is an object of the present invention to provide the new technology sides of a kind of camera lens to be assembled and the assemble method of image sensor
Case.
According to an aspect of the invention, there is provided a kind of assemble method of camera lens to be assembled and image sensor, comprising:
There is provided at least two test cards, wherein at least two test points are provided on each test card；
At least two test card is placed in parallel with the image sensor, and in each test card
The center overlapping of axles of mandrel and the image sensor, wherein at least two test points on each test card
One test point is located on the central axis of the image sensor, on a test card at least two test card
Remaining test point respectively on other test cards being arranged at least two test card remaining, it is corresponding
Test point line pass through the lens assembling qualification to be assembled when camera lens center；
Test point on each test card is imaged；
According to the imaging of the test point, it is qualified to judge whether the camera lens to be assembled assembles with the image sensor.
Optionally, the test point on each test card is imaged, comprising:
Shelter for preventing light from passing through is set in the test point on each test card, utilizes a light source
Shelter on each test card is imaged on the image sensor.
Optionally, the test point on each test card is imaged, comprising:
Test point on each test card is respectively provided with a light source, by the light source on the image sensor
It is imaged.
Optionally, according to the imaging of the test point, judge the camera lens to be assembled whether with the image sensor group
Dress is qualified, comprising:
If the test point on each test card being located on the central axis of the image sensor is in the image
Sensor is imaged as a test point, and remaining test point on a test card at least two test card
Respectively on other test cards being arranged at least two test card remaining, corresponding test point be imaged
When for a test point, it is determined that the camera lens to be assembled and image sensor assembling are qualified；
If the test point on each test card being located on the central axis of the image sensor is in the image
Sensor is imaged as two test points, alternatively, remaining survey on a test card at least two test card
Pilot respectively on other test cards being arranged at least two test card remaining, corresponding test point
When being imaged as two test points, it is determined that the camera lens to be assembled assembles unqualified with the image sensor.
Optionally, if the test point on each test card being located on the central axis of the image sensor is in institute
That states image sensor is imaged as two test points, it is determined that when the camera lens to be assembled is assembled with the image sensor
Offset；
If remaining test point on a test card at least two test card is respectively with setting described
On other test cards at least two test cards remaining, corresponding test point be imaged as two test points, then
It determines and is rotated when the camera lens to be assembled is assembled with the image sensor.
Optionally, there are two test cards for the method offer, and there are three test points for setting on each test card.
Optionally, this method is suitable for the assembling of double standby assembling camera lens.
The assemble method of camera lens to be assembled and image sensor provided by the invention, by providing at least two test cards
Piece, at least provided with two test points on each test card, and the test point on each test card according to following position into
Row is arranged, i.e., a test point on each test card is located on the central axis of image sensor, at least two test cards
In a test card on remaining test point respectively and on other test cards for being arranged at least two test cards
Remaining, the center of the camera lens to be assembled of the line of corresponding test point when passing through lens assembling qualification to be assembled, relatively
In the prior art, the present invention does not need that complicated resolution chart is arranged again, easy to operate, in addition, according to the image-wise of test point
Condition can quickly determine camera lens to be assembled and the reason of abnormal conditions occurs in assembling.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 shows the position view both when assembling qualified of camera lens and image sensor.
Fig. 2 shows the assembling schematic diagrams of camera lens in the prior art and image sensor.
Fig. 3 shows the processing of the assemble method of camera lens to be assembled and image sensor according to an embodiment of the invention
Flow chart.
Fig. 4 shows the assembling schematic diagram of camera lens to be assembled and image sensor according to an embodiment of the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The present invention provides the assemble methods of a kind of camera lens to be assembled and image sensor.Fig. 3 is shown according to the present invention
The process flow diagram of the assemble method of the camera lens and image sensor to be assembled of one embodiment.Referring to Fig. 3, this method is at least wrapped
Step S302 is included to step S308.
Step S302 provides at least two test cards, wherein at least two tests are provided on each test card
Point；
At least two test cards are placed in parallel by step S304 with image sensor, and the center of each test card
The center overlapping of axles of axis and image sensor a, wherein test point at least two test points on each test card
On the central axis of image sensor, remaining test point on a test card at least two test cards respectively with
Be arranged on other test cards at least two test cards remaining, the line of corresponding test point passes through to group
The center of camera lens to be assembled when dress lens assembling qualification；
Test point on each test card is imaged step S306；
It is qualified to judge whether camera lens to be assembled assembles with image sensor according to the imaging of test point by step S308.
The assemble method of camera lens to be assembled and image sensor provided by the invention, by providing at least two test cards
Piece, at least provided with two test points on each test card, and the test point on each test card according to following position into
Row is arranged, i.e., a test point on each test card is located on the central axis of image sensor, at least two test cards
In a test card on remaining test point respectively and on other test cards for being arranged at least two test cards
Remaining, the center of the camera lens to be assembled of the line of corresponding test point when passing through lens assembling qualification to be assembled, relatively
In the prior art, the present invention does not need that complicated resolution chart is arranged again, easy to operate, in addition, according to the image-wise of test point
Condition can quickly determine camera lens to be assembled and the reason of abnormal conditions occurs in assembling.
In above-mentioned steps S306, the test point on each test card is imaged, following any mode can be used.
The shelter for preventing light from passing through is arranged in first way, the test point on each test card, then
One light source is provided, irradiates each test card using the light source, since the light that shelter can prevent the light source from issuing passes through, because
This generates the corresponding imaging of above-mentioned test point on image sensor.
The second way, the test point on each test card are respectively provided with a light source, and each light source can be in image sensing
It is imaged on device.
In the embodiment of the present invention, the imaging situation according to test point that above-mentioned steps S308 is related to judges camera lens to be assembled
Whether qualified, specifically, if on each test card being located on the central axis of image sensor if being assembled with image sensor
Test point is imaged as a test point image sensor, and its on a test card at least two test cards
Remaining test point respectively on other test cards being arranged at least two test cards remaining, corresponding test point
When being imaged as a test point, it is determined that camera lens to be assembled and image sensor assembling are qualified；If being located in image sensor
The test point on each test card in mandrel is imaged as two test points in image sensor, alternatively, at least two survey
Remaining test point on a test card in examination card is tested with other being arranged at least two test cards respectively
On card remaining, corresponding test point is when being imaged as two test points, it is determined that camera lens and image sensor to be assembled
It assembles unqualified.
Made below with assemble method of the specific embodiment to camera lens to be assembled provided by the invention and image sensor
It further illustrates.Fig. 4 shows the assembling schematic diagram of camera lens to be assembled and image sensor according to an embodiment of the invention.
Referring to fig. 4, image sensor 410, camera lens to be assembled 420, the first test card 430a and the second test card are shown in figure
430b.First test card 430a, the second test card 430b are disposed as to, and each survey parallel with image sensor 410
Try the central axis of card and the center overlapping of axles of image sensor 410.In addition, there are three tests for the first test card 430a setting
Point (i.e. A point, C point, E point), there are three test point (B point, D point, F points) for the second test card 430b setting, wherein the first test
The test point B on test point A and the second test card 430b on card 430a is respectively positioned on the central axis of image sensor 410
On, the line of the test point C on the first test card 430a and the test point D on the second test card 430b pass through mirror to be assembled
The center of camera lens when head assembling is qualified, the survey on test point E and the second test card 430b on the first test card 430a
The center of camera lens when the line of pilot F is across lens assembling qualification to be assembled.
When using shown in Fig. 4 the first test card 430a and the second test card 430b camera lens 420 to be assembled is carried out
When assembling, it is provided with a light source in front of the second test card 430b, using the light source to the first test card 430a and
Two test card 430b are irradiated, the light beam that light source projects through the first test card 430a, the second test card 430b and
After camera lens 420 to be assembled, the test point being arranged on the first test card 430a and the second test card 430b is imaged.
If the test point B on test point A and the second test card 430b on the first test card 430a is in image sensing
It is imaged as a test point on device 410, and on the test point C and the second test card 430b on the first test card 430a
Test point D is imaged as a test point, the test point E and second on the first test card 430a on image sensor 410
Test point F on test card 430b is imaged as a test point on image sensor 410, it is determined that camera lens to be assembled
420 assemble qualification with image sensor 410.
If the test point B on test point A and the second test card 430b on the first test card 430a is in image sensing
It is imaged as on two test points or test point C and the second test card 430b on the first test card 430a on device 410
Test point D be imaged as two test points on image sensor 410, the test point E on the first test card 430a and
Test point F on two test card 430b is on image sensor 410 when being imaged as two test points, it is determined that mirror to be assembled
First 420 assembled with image sensor 410 it is unqualified.
If the test point B on test point A and the second test card 430b on the first test card 430a is in image sensing
Two test points are imaged as on device 410, then camera lens 420 to be assembled can be determined when being assembled with image sensor 410
It shifts, so that the central axis of the two is not overlapped, and then the assembling of camera lens to be assembled can be adjusted correspondingly.
If the test point D on test point C and the second test card 430b on the first test card 430a is in image sensing
Two test points are imaged as on device 410, the survey on test point E and the second test card 430b on the first test card 430a
Pilot F when being imaged as two test points, then can determine that camera lens 420 to be assembled is passed with image on image sensor 410
Sensor 410 rotates when being assembled, and then can be adjusted correspondingly to the assembling of camera lens to be assembled.
It should be noted that the quantity of test card and test point in embodiment shown in Fig. 4 is merely possible to one
A example does not cause any restriction to the present invention.
The assemble method of camera lens to be assembled and image sensor provided by the invention applies also for the group of double standby assembling camera lens
Dress, specific processing step can refer to operating procedure provided by the above embodiment, in this regard, the present invention does not make excessively to repeat.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (6)
1. a kind of assemble method of camera lens to be assembled and image sensor characterized by comprising
There is provided at least two test cards, wherein at least two test points are provided on each test card；
At least two test card is placed in parallel with the image sensor, and the central axis of each test card
With the center overlapping of axles of the image sensor, wherein one at least two test points on each test card
Test point is located on the central axis of the image sensor, its on a test card at least two test card
Remaining test point respectively on other test cards being arranged at least two test card remaining, corresponding survey
The center of camera lens when the line of pilot is across the lens assembling qualification to be assembled；
Test point on each test card is imaged；
According to the imaging of the test point, it is qualified to judge whether the camera lens to be assembled assembles with the image sensor.
2. the method according to claim 1, wherein by each test card test point carry out at
Picture, comprising:
Shelter for preventing light from passing through is set in the test point on each test card, using a light source by institute
The shelter stated on each test card is imaged on the image sensor.
3. the method according to claim 1, wherein by each test card test point carry out at
Picture, comprising:
Test point on each test card is respectively provided with a light source, and the light source is carried out on the image sensor
Imaging.
4. the method according to claim 1, wherein being judged described to be assembled according to the imaging of the test point
It is qualified whether camera lens assembles with the image sensor, comprising:
If the test point on each test card being located on the central axis of the image sensor is in the image sensing
Device is imaged as a test point, and remaining test point difference on a test card at least two test card
With on other test cards being arranged at least two test card remaining, corresponding test point be imaged as one
When a test point, it is determined that the camera lens to be assembled and image sensor assembling are qualified；
If the test point on each test card being located on the central axis of the image sensor is in the image sensing
Device is imaged as two test points, alternatively, remaining test point on a test card at least two test card
Respectively on other test cards being arranged at least two test card remaining, corresponding test point be imaged
When for two test points, it is determined that the camera lens to be assembled and image sensor assembling are unqualified.
5. the method according to claim 1, wherein the method is provided, there are two test cards, and each survey
Trying setting on card, there are three test points.
6. -5 any method according to claim 1, which is characterized in that this method is suitable for the group of double standby assembling camera lens
Dress.
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| CN201611225991.9A CN106851257B (en) | 2016-12-27 | 2016-12-27 | The assemble method of camera lens and image sensor to be assembled |
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| CN201611225991.9A CN106851257B (en) | 2016-12-27 | 2016-12-27 | The assemble method of camera lens and image sensor to be assembled |
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| CN106851257B true CN106851257B (en) | 2018-12-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839061B (en) * | 2017-11-24 | 2021-03-23 | 成都极米科技股份有限公司 | Lens module detection method and system |
| CN108761994B (en) * | 2018-05-31 | 2020-11-20 | 歌尔光学科技有限公司 | Detection method and device for assembly of camera module and virtual reality equipment |
| CN113064247A (en) * | 2021-03-29 | 2021-07-02 | 南昌欧菲光电技术有限公司 | Multi-lens group shooting lens correction method and detection system |
| CN113820100A (en) * | 2021-09-30 | 2021-12-21 | 彩晶光电科技(昆山)有限公司 | Lens detection system for detecting lens |
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Effective date of registration: 20201014 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |