CN206862918U - A kind of optical detection apparatus - Google Patents
A kind of optical detection apparatus Download PDFInfo
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- CN206862918U CN206862918U CN201720677176.XU CN201720677176U CN206862918U CN 206862918 U CN206862918 U CN 206862918U CN 201720677176 U CN201720677176 U CN 201720677176U CN 206862918 U CN206862918 U CN 206862918U
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- display panel
- panel
- microscope carrier
- optical detection
- image capture
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Abstract
Technical field of optical detection is the utility model is related to, in particular to a kind of optical detection apparatus.Including for carrying the panel microscope carrier of display panel and the image capture unit of collection display panel image information；Described image capture unit is suspended in above panel microscope carrier, can be advanced along the direction of parallel display panel and display panel is scanned, it is characterised in that：Being provided with described panel microscope carrier can the driving panel microscope carrier rotation rotation control unit that makes the display panel that is carried on panel microscope carrier rotate a predetermined angle；Angle between described predetermined angle and the axis of the display panel after the traveling scanning direction of image capture unit and rotation is equal.Optical detecting method of the present utility model is simple, accurate, can quickly be made a distinction abnormal etc. caused by processing procedure exception and optical noise, provide effective guidance for follow-up work, have great promotional value.
Description
Technical field
Technical field of optical detection is the utility model is related to, in particular to a kind of optical detection apparatus.
Background technology
AOI (Automatic Optic Inspection, automatic optics inspection) is come to manufacturing industry based on optical principle
The technology that the common deficiency run into production is detected.In liquid crystal panel manufacturing industry, using AOI equipment to Panel (faces
Plate) detected.In detection, first display panel is placed on detection machine microscope carrier and aligned, after the completion of contraposition and then schemed
Image information collecting is carried out to display panel as absorbing X axis or Y-axis of the unit along display panel, computer is to original photo
Image procossing is carried out, image segmentation then is carried out to the image after processing, isolates target.Again by target and defect parameters
(Defect Spec) (including Size (size), Length (length), Contrast (contrast), SEMU (plug Mu Zhibiao)) etc.
Contrasted.Meeting the target of defect parameters requirement can be detected by AOI equipment, it is considered to be defect.
The display panel of prior art is usually square structure, and it is typically to make to show that display panel aligns on detection machine microscope carrier
Show that two axis on panel length direction and width are arranged along X axis or Y-axis, i.e., in the two of display panel
Axis is parallel or vertical with the direction of motion of image capture unit.The image information so collected occurs under normal circumstances
Some problems, because the processing procedure on display panel is generally all and the axis parallel of display panel or vertical, Cheng Yi extremely
Row row or rows of modes arrange, image capture unit in the process of running, due to mechanical movement and image capture unit
The optical noise of itself can be shown in last image information.Transported with image capture unit in display panel axis direction
Dynamic direction is consistent, processing procedure exception may actually occurs with optical noise caused by image capture unit in the figure finally obtained
As being overlapped in information, processing procedure is abnormal and optical noise coincides together extremely, and staff can not this part be respectively system extremely
Cheng Yichang is also due to exception caused by optical noise, follow-up remedial efforts can not be produced and instruct effect.
Utility model content
The purpose of this utility model seeks to solve the possible nothing of existing optical detective technology that above-mentioned background technology is mentioned
Processing procedure is abnormal and the problem of optical noise causes erroneous judgement or missing inspection extremely respectively for method, there is provided a kind of optical detection apparatus.
The technical solution of the utility model is：A kind of optical detection apparatus, including the panel for carrying display panel carry
The image capture unit of platform and collection display panel image information；Described image capture unit is suspended in above panel microscope carrier,
It can be advanced along the direction of parallel display panel and display panel is scanned, it is characterised in that：Set on described panel microscope carrier
Having can the driving panel microscope carrier rotation rotation control unit that makes the display panel that is carried on panel microscope carrier rotate a predetermined angle；
Folder between the axis of display panel behind described predetermined angle and the traveling scanning direction of image capture unit and rotation
Angle is equal.
Further described rotation control unit includes the rotation of driving panel microscope carrier and drives display panel around vertically displayed
The normal of panel rotates the rotating device of predetermined angle.
Further described normal passes perpendicularly through the longitudinal central axis line of display panel and the intersection point of horizontal axis.
Further described rotating device includes the electro-motor being arranged on panel microscope carrier.
Further described predetermined angle is 5~10 °.
A kind of optical detecting method, for detecting display panel, it is characterised in that：Described detection method includes following step
Suddenly：
1), the optical detection apparatus of a display panel is provided, display panel is placed on to the panel microscope carrier of the detection means
On；
2) the panel microscope carrier, is driven to drive the display panel to rotate so that the axis of the display panel fills with the detection
The scanning direction for the image capture unit put is in a predetermined angle；
3) display panel is scanned, obtains the image information of display panel；
4), analysis is through calculating treated image information, if exist in image information with display panel axis parallel or
Vertical exception, then caused for panel production is abnormal；If exist in image information parallel with image capture unit scan direction
Optical noise that is abnormal then being the optical detection apparatus causes.
In further described step 1), display panel is placed on the method on the panel microscope carrier of the detection means
For：Display panel is positioned on panel microscope carrier, makes the axis of display panel and the traveling scanning direction of image capture unit
It is parallel or vertical.
Rotation control unit is provided with the panel microscope carrier of the further optical detection apparatus, the rotation control is single
Member is used to drive the panel microscope carrier to drive the display panel rotation.
The further display panel rotates around itself normal, and the normal passes perpendicularly through the vertical of the display panel
To the intersection point of axis and horizontal axis.
The further predetermined angle is 5~10 °.
The advantages of the utility model, has：1st, the information detected can be quickly abnormal by processing procedure exception and optical noise
Make a distinction, can specify the reason for abnormal, there is good directive significance to follow-up remedial measure；
2nd, especially suitable for for it is some have to have with X-axis or Y-axis need to adjust the monitoring of angle slightly because processing procedure improves demand；
3rd, a large amount of monitoring and feedback in real time problems can be provided for optical detector, reduction personnel judge risk of failing to judge by accident.
Optical detecting method of the present utility model is simple, accurate, quickly can cause processing procedure exception and optical noise
It is abnormal etc. make a distinction, provide effective guidance for follow-up work, there is great promotional value.
Brief description of the drawings
Fig. 1：Detection machine stage structure schematic diagram during contraposition；
Fig. 2：Detection machine stage structure schematic diagram after deflection；
Fig. 3：Schematic diagram after Image Information Processing；
In figure：1-panel microscope carrier；2-motor；3-horizontal axis；4-longitudinal central axis line；5-production is abnormal；6—
Optical noise is abnormal；O-horizontal axis and longitudinal central axis line intersection point.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1 to Fig. 3, for contraposition when detection machine stage structure schematic diagram.The optical detection apparatus of the present embodiment, including
For carrying the panel microscope carrier 1 of display panel and the image capture unit of collection display panel image information；Image capture unit
It is suspended in above panel microscope carrier, can be advanced along the direction of parallel display panel and display panel is scanned, usual image capture
The moving sweep direction of unit is in transverse direction or longitudinal direction, as shown by arrows in FIG.；Being provided with panel microscope carrier 1 can
The display panel that the rotation of driving panel microscope carrier makes to be carried on panel microscope carrier rotates the rotation control unit of a predetermined angle θ；In advance
If the angle between angle, θ and the axis of the display panel after the traveling scanning direction of image capture unit and rotation is equal.
Generally, display panel is placed on the panel microscope carrier 1 of optical detection apparatus, the axis with panel microscope carrier 1
Line overlaps, including axis along its length and the axis along its width, using Fig. 1 left and right directions as transverse direction side
To above-below direction is longitudinal direction.The axis of display panel along its length is longitudinal central axis line 4, along its width
Axis be horizontal axis 3.
The utility model carries out the rotation of low-angle to position of the display panel on panel microscope carrier 1 so that image capture
The angle of low-angle, and then the optical noise in final detection image is presented in the scanning direction of unit and the axis of display panel
Exception 6 and production abnormal 5 are distributed along different directions, realize the quick differentiation of two kinds of exceptions.
In an embodiment, rotation control unit rotates including driving panel microscope carrier 1 and drives display panel around vertical aobvious
Show that the normal of panel rotates the rotating device of predetermined angle；In a specific embodiment, normal passes perpendicularly through the vertical of display panel
To axis 4 and the intersection point O, i.e. display panel of horizontal axis 3 center, can so minimum space be utilized to realize panel
The rotation of microscope carrier 1 and display panel.
In a specific embodiment, rotating device includes the electro-motor 2 being arranged on panel microscope carrier, to realize that panel carries
Platform 1 and display panel rotate freely.
In a preferred embodiment, above-mentioned predetermined angle is 5~10 °, but is not limited, can basis in practical operation
Production needs to be configured predetermined angle；Deflection angle is individually defined by user oneself, is advantageous to follow-up
Interpretation of result.
The utility model also provides a kind of optical detecting method, comprises the following steps, and 1, display panel is first placed on light
On the panel microscope carrier 1 for learning detection means；
Further, it is necessary to be aligned to display panel and panel microscope carrier 1, the purpose of contraposition is to make the horizontal stroke of display panel
It is parallel or vertical to axis 3 and longitudinal central axis line 4 and the image capture unit motion direction set；
2nd, drive motor 2 makes the rotation of panel microscope carrier 1 drive display panel rotation, makes display panel around the method passed through a little
Line rotates, and rotational angle is 5~10 °, according to user's self-defining；
3rd, image capture unit is in transverse direction or longitudinal direction moves, and scans display panel, obtains display panel
Image information, then transmit this information to control system and carry out data processing；
4th, analysis is through calculating treated image information, if existing in image information and display panel axis parallel or vertical
Straight exception, then caused for panel production abnormal 5；If exist in image information parallel with image capture unit scan direction different
The optical noise of the Chang Zewei optical detection apparatus abnormal 6 causes, as shown in Figure 3.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from
There are various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (5)
1. a kind of optical detection apparatus, including for carrying the panel microscope carrier (1) and collection display panel image letter of display panel
The image capture unit of breath；Described image capture unit is suspended in above panel microscope carrier (1), can be along the side of parallel display panel
Display panel is scanned to advancing, it is characterised in that：Being provided with described panel microscope carrier (1) can driving panel microscope carrier
(1) display panel that rotation makes to be carried on panel microscope carrier (1) rotates the rotation control unit of a predetermined angle；Described is default
Angle between angle and the axis of the display panel after the traveling scanning direction of image capture unit and rotation is equal.
A kind of 2. optical detection apparatus as claimed in claim 1, it is characterised in that：Described rotation control unit includes driving
Panel microscope carrier (1) rotation drives display panel around the rotating device of the normal rotation predetermined angle of vertically displayed panel.
A kind of 3. optical detection apparatus as claimed in claim 2, it is characterised in that：Described normal passes perpendicularly through display panel
Longitudinal central axis line (4) and horizontal axis (3) intersection point (O).
A kind of 4. optical detection apparatus as claimed in claim 2, it is characterised in that：Described rotating device includes being arranged on face
Electro-motor (2) on onboard (1).
A kind of 5. optical detection apparatus as claimed in claim 1, it is characterised in that：Described predetermined angle is 5~10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677176.XU CN206862918U (en) | 2017-06-12 | 2017-06-12 | A kind of optical detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677176.XU CN206862918U (en) | 2017-06-12 | 2017-06-12 | A kind of optical detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862918U true CN206862918U (en) | 2018-01-09 |
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ID=60831672
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720677176.XU Active CN206862918U (en) | 2017-06-12 | 2017-06-12 | A kind of optical detection apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389696A (en) * | 2017-06-12 | 2017-11-24 | 苏州精濑光电有限公司 | A kind of optical detection apparatus and optical detecting method |
-
2017
- 2017-06-12 CN CN201720677176.XU patent/CN206862918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389696A (en) * | 2017-06-12 | 2017-11-24 | 苏州精濑光电有限公司 | A kind of optical detection apparatus and optical detecting method |
| WO2018227923A1 (en) * | 2017-06-12 | 2018-12-20 | 苏州精濑光电有限公司 | Optical detection device and optical detection method |
| CN107389696B (en) * | 2017-06-12 | 2023-10-27 | 苏州精濑光电有限公司 | Optical detection device and optical detection method |
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