CN105301013A - LCD bare chip detection unit framework and detection method - Google Patents
LCD bare chip detection unit framework and detection method Download PDFInfo
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- CN105301013A CN105301013A CN201510744540.5A CN201510744540A CN105301013A CN 105301013 A CN105301013 A CN 105301013A CN 201510744540 A CN201510744540 A CN 201510744540A CN 105301013 A CN105301013 A CN 105301013A
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Abstract
The invention relates to an LCD bare chip detection unit framework and a detection method. The LCD bare chip detection unit framework comprises a bare chip carrying table, a light source, a camera, a signal unit and a control unit. The bare chip carrying table is used for containing a bare chip for testing. The light source is arranged below the bare chip carrying table and used for lighting the bare chip. The camera is used for acquiring images of the bare chip and sending the images to the control unit. The signal unit is connected with the bare chip carrying table through a connecting wire and controlled by the control unit. The control unit is usually a computer, is connected with the light source, the camera and the signal unit, can control the light source to send corresponding lighting, can control operation of the camera and receive the image sent by the camera, and can control the signal unit and receive response signals sent by the signal unit. Through the RGB three-color controllable backlight source, colorama lighting with testing signal image corresponding requirements is provided, colorama interference of a common testing light source is reduced, meanwhile, due to the fact that testing signals and testing modes are switched without any mechanism motion, a stable testing environment is provided, and testing accuracy and efficiency are improved.
Description
Technical field
The present invention relates to a kind of LCD nude film detecting unit framework and detection method.
Background technology
LCD nude film detects because defect is very small, very high to the stability requirement of complete machine, the picture handoff procedure at present in test generally has mechanism action, can cause the picture instability of taking pictures of complete machine, need extra shaking the quiet time, the integrated testability time is increased.Meanwhile, because backlight is white light, the monochromatic test pictures of LCD can by the accuracy rate affecting checkout equipment of other coloured light.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of LCD nude film detecting unit framework and method, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide kind of LCD nude film detecting unit framework and a detection method.
Technical scheme of the present invention is as follows:
A kind of LCD nude film detecting unit framework, is characterized in that, comprise and forming with lower device:
One nude film microscope carrier, for placing test nude film;
One light source, is arranged on below described nude film microscope carrier, for the described nude film that throws light on;
One camera, for obtaining nude film image, and is sent to control module by image;
One signal element, connects nude film microscope carrier by connecting line, and is controlled unit controls;
One control module, is generally computing machine, is all connected with light source, camera, signal element, can control light source and send corresponding illumination, can control the operation of camera and receive its image sent, can control signal unit receive its response signal sent.
Further, preferably described nude film microscope carrier side is provided with a side light source, and described side light source connects described control module and controls by it.
Further, described light source is the back light that RGB tri-look can control respectively.
A kind of LCD nude film detecting unit detection method, is characterized in that, comprise following steps
S1: tested nude film is positioned on microscope carrier and locates;
S2: linkage unit docks with the nude film of location;
S3: light source is switched to backlight, lights monochromatic light respectively, and switching signal unit is to corresponding colour signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S4: light source is switched to backlight, respectively " lighting the bi-coloured light of backlight " simultaneously, switching signal unit does not light colour signal corresponding to coloured light to backlight is current, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S5: the defect under each image of calculation control unit set is the defect detected.
Further, preferably light source is switched to side light source and lights after described step S4, camera takes corresponding image, and calculation control unit analyzes the Superficial Foreign Body information of nude film, and the defect in Superficial Foreign Body correspondence position is excluded by calculation control unit.
By such scheme, the present invention at least has the following advantages:
The present invention is by RGB tri-look controllable backlight source, the colorama lighting of the corresponding demand of each test signal picture is provided, decrease the coloured light interference of common test light source, simultaneously because switch test signal and test pattern need not any mechanism kinematics, provide stable test environment, improve test accuracy rate and efficiency.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is first embodiment of the invention structural representation;
Fig. 2 is second embodiment of the invention structural representation.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
A kind of LCD nude film detecting unit framework, comprises and forming with lower device: a nude film microscope carrier 2, for placing test nude film 3; One light source 1, is arranged on below described nude film microscope carrier, for the described nude film that throws light on; One camera 6, for obtaining nude film image, and is sent to control module by image; One signal element 5, connects nude film microscope carrier by connecting line 4, and is controlled unit controls; One control module 7, is generally computing machine, is all connected with light source, camera, signal element, can control light source and send corresponding illumination, can control the operation of camera and receive its image sent, can control signal unit receive its response signal sent.Light source 1 is the back light that RGB tri-look can control respectively.
Detection method is as follows:
S1: tested nude film is positioned on microscope carrier and locates;
S2: linkage unit docks with the nude film of location;
S3: light source is switched to backlight, lights monochromatic light respectively, and switching signal unit is to corresponding colour signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S4: light source is switched to backlight, respectively " lighting the bi-coloured light of backlight " simultaneously, switching signal unit does not light colour signal corresponding to coloured light to backlight is current, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S5: the defect under each image of calculation control unit set is the defect detected.
Concrete detection mode comprises the following steps;
1. tested nude film is positioned on microscope carrier and locates;
2. linkage unit docks with the nude film of location;
3. light source is switched to backlight, lights Red light, switching signal unit is to Red signal, and camera takes the image of nude film Red, the related defects information of nude film under calculation control unit analysis Red;
4. light source is switched to backlight, lights Green light, switching signal unit is to Green signal, and camera takes the image of nude film Green, the related defects information of nude film under calculation control unit analysis Green;
5. light source is switched to backlight, lights Blue light, switching signal unit is to Blue signal, and camera takes the image of nude film Blue, the related defects information of nude film under calculation control unit analysis Blue;
6. light source is switched to backlight, lights Green, Blue light simultaneously, switching signal unit is Red signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
7. light source is switched to backlight, lights Red, Blue light simultaneously, switching signal unit is Green signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this condition;
8. light source is switched to backlight, lights Red, Green light simultaneously, switching signal unit is Blue signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this condition;
9. light source is switched to backlight, lights RGB tri-coloured light simultaneously, switching signal unit is White signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this condition;
10. light source is switched to backlight, lights RGB tri-coloured light simultaneously, switching signal unit is Black signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this condition;
Defect under each image of 11. calculation control unit set is the defect detected.
Wherein step 3-10 can change order by bar arbitrarily, and the project that in 3-10, also non-required is all, can according to the structure of actual LCD nude film, the some projects selected wherein are tested.
Embodiment 2
Difference from Example 1 is, is placed with side light source 8 in nude film microscope carrier 2 side, and side light source 8 connects described control module 7 and controls by it.
Detection method difference is, after step S4, light source is switched to side light source and lights, camera takes corresponding image, calculation control unit analyzes the Superficial Foreign Body information of nude film, and the defect in Superficial Foreign Body correspondence position is excluded by calculation control unit.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a LCD nude film detecting unit framework, is characterized in that, comprises and forming with lower device:
One nude film microscope carrier, for placing test nude film;
One light source, is arranged on below described nude film microscope carrier, for the described nude film that throws light on;
One camera, for obtaining nude film image, and is sent to control module by image;
One signal element, connects nude film microscope carrier by connecting line, and is controlled unit controls;
One control module, is generally computing machine, is all connected with light source, camera, signal element, can control light source and send corresponding illumination, can control the operation of camera and receive its image sent, can control signal unit receive its response signal sent.
2. a kind of LCD nude film detecting unit framework according to claim 1, is characterized in that: preferably described nude film microscope carrier side is provided with a side light source, and described side light source connects described control module and controls by it.
3. a kind of LCD nude film detecting unit framework according to claim 1, is characterized in that: described light source is the back light that RGB tri-look can control respectively.
4. a LCD nude film detecting unit detection method, is characterized in that, comprise following steps:
S1: tested nude film is positioned on microscope carrier and locates;
S2: linkage unit docks with the nude film of location;
S3: light source is switched to backlight, lights monochromatic light respectively, and switching signal unit is to corresponding colour signal, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S4: light source is switched to backlight, respectively " lighting the bi-coloured light of backlight " simultaneously, switching signal unit does not light colour signal corresponding to coloured light to backlight is current, and camera takes corresponding image, and calculation control unit analyzes the related defects information of nude film under this signal;
S5: the defect under each image of calculation control unit set is the defect detected.
5. detecting unit detection method according to claim 4, it is characterized in that: preferably light source is switched to side light source after described step S4 and lights, camera takes corresponding image, calculation control unit analyzes the Superficial Foreign Body information of nude film, and the defect in Superficial Foreign Body correspondence position is excluded by calculation control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510744540.5A CN105301013A (en) | 2015-11-05 | 2015-11-05 | LCD bare chip detection unit framework and detection method |
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| CN201510744540.5A CN105301013A (en) | 2015-11-05 | 2015-11-05 | LCD bare chip detection unit framework and detection method |
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| CN1877281A (en) * | 2005-06-10 | 2006-12-13 | 精工爱普生株式会社 | Display panel module, display unit, inspection device for display panel |
| CN201707304U (en) * | 2010-06-08 | 2011-01-12 | 惠州市德赛西威汽车电子有限公司 | Device for automated optical inspection of surface of product |
| CN102279195A (en) * | 2011-04-18 | 2011-12-14 | 首雷光电科技(厦门)有限公司 | LED chip appearance visual inspection method |
| CN203011853U (en) * | 2012-12-28 | 2013-06-19 | 罗炳军 | Multi-light source detection device |
| CN103940832A (en) * | 2013-01-17 | 2014-07-23 | 北京兆维电子(集团)有限责任公司 | Lighting device for automatic optical detection on flat display screen |
| CN205192974U (en) * | 2015-11-05 | 2016-04-27 | 苏州威盛视信息科技有限公司 | LCD nude film detecting element framework |
-
2015
- 2015-11-05 CN CN201510744540.5A patent/CN105301013A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000206001A (en) * | 1999-01-18 | 2000-07-28 | Seiko Epson Corp | Illumination device for inspection and inspection method using the illumination device |
| CN1877281A (en) * | 2005-06-10 | 2006-12-13 | 精工爱普生株式会社 | Display panel module, display unit, inspection device for display panel |
| CN201707304U (en) * | 2010-06-08 | 2011-01-12 | 惠州市德赛西威汽车电子有限公司 | Device for automated optical inspection of surface of product |
| CN102279195A (en) * | 2011-04-18 | 2011-12-14 | 首雷光电科技(厦门)有限公司 | LED chip appearance visual inspection method |
| CN203011853U (en) * | 2012-12-28 | 2013-06-19 | 罗炳军 | Multi-light source detection device |
| CN103940832A (en) * | 2013-01-17 | 2014-07-23 | 北京兆维电子(集团)有限责任公司 | Lighting device for automatic optical detection on flat display screen |
| CN205192974U (en) * | 2015-11-05 | 2016-04-27 | 苏州威盛视信息科技有限公司 | LCD nude film detecting element framework |
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Application publication date: 20160203 |