CN2786592Y - Mini-size camera module optical testing equipment - Google Patents
Mini-size camera module optical testing equipment Download PDFInfo
- Publication number
- CN2786592Y CN2786592Y CN 200520089238 CN200520089238U CN2786592Y CN 2786592 Y CN2786592 Y CN 2786592Y CN 200520089238 CN200520089238 CN 200520089238 CN 200520089238 U CN200520089238 U CN 200520089238U CN 2786592 Y CN2786592 Y CN 2786592Y
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- light source
- camera module
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- model
- optical testing
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Abstract
The utility model relates to a minitype camera module, particularly a minitype camera module optical testing device for testing an optical system of the minitype camera module. To reach the purpose, the utility model comprises a frame, a light source arranged in the frame and a reflecting material arranged on one side of the light source. The utility model has the advantage that because 150 cm-200 cm is the optimum focusing range of a common lens, module patterns modulated with the method can achieve the clearest state of the same lens and have optimized imaging quality. Thus, a transparent light source has a surface brightness uniformly within positive/negative 15% and greater than 4000 lux, and tested images achieve required sharpness in equal conditions. Simultaneously, the utility model is convenient for testing phase plane tortuosity of a module lens especially a TV.
Description
Technical field
The utility model relates to a kind of miniature video camera module, relates in particular to a kind of miniature module optical testing device of taking the photograph that the optical system of miniature video camera module is tested.
Background technology
Mobile phone in most cases is debug results or the employing machine automatic focusing that adopts the manual debugging focal length and instruct focal length with computer with the test of CMOS shooting module at present.Because the brightness requirement of the target pattern used of test focal length is the requirement of (+/-30%) and employing automatic focusing relatively evenly, and large-scale printing opacity light source (2m * 1.5m) do not occur as yet, its can realize the focal length operated by rotary motion at 60cm between the 120cm, be 60% of catercorner length in the distance of the test target at center and all around test target.The company that has settles the method for an attachment lens group between module and test target, make the virtual image that module the measures distance at 180cm.But the problem of doing like this is the image quality of attachment lens and requires to be higher than the quality of module group lens, and, guarantee the interior brightness of pattern scope even (+/-30%) that module measures, so be not easy to reach the uniform requirement of pattern surface brightness, perhaps the expense of attachment lens increases considerably.Test pattern then adopts periodically black and white strip now, is convenient to calculate the image definition of shooting module.
The utility model content
Provide a kind of miniature video camera module optical testing device in order to solve the problems of the technologies described above, purpose is to reduce the testing cost of miniature video camera module, the surface brightness that makes the printing opacity light source is evenly in positive and negative 15%, and brightness makes the image of test reach desired sharpness at equal conditions greater than 4000lux.
For reaching above-mentioned purpose the utility model miniature video camera module optical testing device, comprise framework, be arranged on the light source in the framework, be provided with reflectorized material in a side of light source.
Described every light source be arranged in parallel, and the space D 1 of every light source is 6-10cm.
Described reflectorized material is a umbrella, and each reflectorized material is over against every light source.
The opposite side of described light source is provided with 1 or two scattering sheet, and the space D 2 of scattering sheet and light source is 6-10cm, and the space D 3 of scattering sheet and scattering sheet is 10-20cm.
Described space D 1 is 8cm, and D2 is 8cm, and D3 is 15cm.
The utility model has the advantages of: because 150cm-200cm is the optimum focusing scope of general lens design, according to said method Tiao Zhi module pattern can reach the most clear state of same camera lens, its image quality reaches optimization, the surface brightness that makes the printing opacity light source is evenly in positive and negative 15%, and brightness makes the image of test reach desired sharpness at equal conditions greater than 4000lux.Be convenient to test practising physiognomy of module group lens simultaneously and twist particularly TV distortion (distortion, especially TVdistortion).For the printing opacity light source cost of this method of testing design becomes the cost of the virtual image greatly to reduce between 150cm-200cm with respect to adding attachment lens, and test pattern does not have any distortion, and central point test pattern and the distance of test pattern all around do not have the requirement of strictness.
Description of drawings
Fig. 1 conventional art test pattern master drawing.
Fig. 2 is the utility model miniature video camera module optical testing device structural representation.
Fig. 3 is the side view of Fig. 2.
Among the figure 1, framework; 2, light source; 3, reflectorized material; 4, scattering sheet.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
Below in conjunction with accompanying drawing the utility model is elaborated.
Example 1: with reference to Fig. 2, miniature video camera module optical testing device shown in Figure 3, comprise framework 1, be arranged on the light source 2 in the framework, be provided with reflectorized material 3 in a side of light source, reflectorized material 3 is a umbrella, and each reflectorized material 3 is over against every light source 2.The opposite side of light source 2 is provided with 1 or two scattering sheet 4, and scattering sheet 4 is 6cm with the space D 2 of light source 2, and scattering sheet 4 is 10cm with the space D 3 of scattering sheet 4.Every light source 2 be arranged in parallel, and the space D 1 of every light source 2 is 6cm.The light source surface brightness of test is evenly positive and negative 10%, and brightness 4100lux.
Example 2:D1 is 8cm, and D2 is 8cm, and D3 is 15cm, and the light source surface brightness of test is evenly positive and negative 3%, and brightness 4600lux.Other is with example 1.
Example 3:D1 is 10cm, and D2 is 10cm, and D3 is 20cm, and the light source surface brightness of test is evenly positive and negative 13%, and brightness 4300lux.Other is with example 1.
Example 4:D1 is 7cm, and D2 is 8cm, and D3 is 16cm, and the light source surface brightness of test is evenly positive and negative 5%, and brightness 4500lux.Other is with example 1.
Its uniformity coefficient of the surface brightness of printing opacity light source is controlled at+/-15% in, and brightness is greater than 4000lux.The light source here be by a plurality of long fluorescent tubes (＞=1.2m) arrange and to form, its spectrum preferably selects near spectrum of sunlight, but general daylight lamp also can.One or more scattering sheet (effect with " frosted glass " astigmatism) can be placed in the fluorescent tube front.
Claims (6)
1, miniature video camera module optical testing device comprises framework (1), is arranged on the light source (2) in the framework, it is characterized in that being provided with reflectorized material (3) in a side of light source.
2, miniature video camera module optical testing device according to claim 1 is characterized in that every light source (2) be arranged in parallel, and the space D 1 of every light source (2) is 6-10cm.
3, miniature video camera module optical testing device according to claim 1 is characterized in that reflectorized material (3) is umbrella, and each reflectorized material (3) is over against every light source (2).
4, miniature video camera module optical testing device according to claim 1, the opposite side that it is characterized in that light source (2) is provided with 1 or two scattering sheet (4), scattering sheet (4) is 6-10cm with the space D 2 of light source (2), and scattering sheet (4) is 10-20cm with the space D 3 of scattering sheet (4).
5, miniature video camera module optical testing device according to claim 2 is characterized in that space D 1 is 8cm.
6, miniature video camera module optical testing device according to claim 4 is characterized in that space D 2 is 8cm, and D3 is 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089238 CN2786592Y (en) | 2005-02-04 | 2005-02-04 | Mini-size camera module optical testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089238 CN2786592Y (en) | 2005-02-04 | 2005-02-04 | Mini-size camera module optical testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786592Y true CN2786592Y (en) | 2006-06-07 |
Family
ID=36775167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089238 Expired - Fee Related CN2786592Y (en) | 2005-02-04 | 2005-02-04 | Mini-size camera module optical testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2786592Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196679B (en) * | 2006-12-08 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Aeration testing device of lens module |
| CN103528803A (en) * | 2013-10-31 | 2014-01-22 | 广州视睿电子科技有限公司 | Device and method for testing whether camera module is qualified |
| CN111351642A (en) * | 2020-03-13 | 2020-06-30 | 昆山丘钛微电子科技有限公司 | Test light source |
-
2005
- 2005-02-04 CN CN 200520089238 patent/CN2786592Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196679B (en) * | 2006-12-08 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Aeration testing device of lens module |
| CN103528803A (en) * | 2013-10-31 | 2014-01-22 | 广州视睿电子科技有限公司 | Device and method for testing whether camera module is qualified |
| CN103528803B (en) * | 2013-10-31 | 2016-05-11 | 广州视睿电子科技有限公司 | Device and method for testing whether camera module is qualified |
| CN111351642A (en) * | 2020-03-13 | 2020-06-30 | 昆山丘钛微电子科技有限公司 | Test light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 Termination date: 20140204 |