CN109901314A - Optical detection apparatus and optical detecting method - Google Patents
Optical detection apparatus and optical detecting method Download PDFInfo
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- CN109901314A CN109901314A CN201910234480.0A CN201910234480A CN109901314A CN 109901314 A CN109901314 A CN 109901314A CN 201910234480 A CN201910234480 A CN 201910234480A CN 109901314 A CN109901314 A CN 109901314A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 59
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 239000004973 liquid crystal related substance Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The present invention provides a kind of optical detection apparatus and optical detecting method.Optical detection apparatus of the invention includes microscope carrier, image collection module, light source and control module, light source includes multiple sub-light sources, the color for the light that at least two sub-light sources issue is different, when carrying out optical detection to substrate to be detected, control module controls the intensity for the light that multiple sub-light sources issue, so that the light characteristic parameter of the surface image for the substrate to be detected that image collection module obtains meets preset standard parameter, convenient for the progress of optical detection.
Description
Technical field
The present invention relates to display manufacturing technology field more particularly to a kind of optical detection apparatus and optical detecting method.
Background technique
In field of display technology, the panel display apparatus such as liquid crystal display device (Liquid Crystal Display, LCD)
Gradually replace cathode-ray tube (Cathode Ray Tube, CRT) display device.Liquid crystal display device have fuselage it is thin,
The many merits such as power saving, radiationless, are widely used.
Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising liquid crystal display panel
And backlight module (backlight module).Usual liquid crystal display panel is by color film (Color Filter, CF) substrate, film
Transistor (Thin Film Transistor, TFT) array substrate is sandwiched between color membrane substrates and thin-film transistor array base-plate
Liquid crystal (Liquid Crystal, LC) and sealing glue frame (Sealant) composition.The working principle of liquid crystal display panel is two
Place liquid crystal molecule in the parallel glass substrate of piece, there are many tiny electric wire vertically and horizontally among two panels glass substrate,
Liquid crystal molecule is controlled whether by being powered and changes direction, and the light refraction of backlight module is come out and generates picture.
In the prior art, carrying out detection to display panel includes electrical detection and two kinds of optical detection.Wherein, electrical detection
It is not particularly suited for entire processing procedure, and is performed poor to weak break, there are significant limitations, and optical detection is applicable to display surface
Any stage of plate production, and weak disconnected performance is preferably, therefore, role is more and more important in detection technique.
In the prior art, optical detection apparatus generally includes microscope carrier for carrying substrate to be detected, is located above microscope carrier
Image collection module and the light source above microscope carrier, light source emit beam to substrate surface to be detected, image collection module
The image of substrate surface to be detected is obtained and is detected with the defect to substrate surface to be detected.Common optical detection
Light source issues single colored light in device, which can be red (R), green (G), blue (B), any one in white (W).So
And the complication of the processing procedure of display panel is so that the selection of light source is difficult, using the light source of sending single colored light often to spy
The some regions detection performance customized under journey is bad, for example, to using COA, (color filter film is arranged in thin film transistor (TFT) array
On substrate) array substrate of technology is when being detected, when being irradiated using the light source for issuing single colored light to it, in array base
The specific region of plate can be brighter so that in the surface image for the array substrate that image is got each region brightness uniformity
It is poor, it is unfavorable for the progress of optical detection.
Summary of the invention
The purpose of the present invention is to provide a kind of optical detection apparatus, the substrate surface image to be detected obtained is enabled to
Light characteristic parameter meet preset standard parameter, convenient for the progress of optical detection.
Another object of the present invention is to provide a kind of optical detecting method, the substrate surface to be detected obtained is enabled to
The light characteristic parameter of image meets preset standard parameter, convenient for the progress of optical detection.
To achieve the above object, present invention firstly provides a kind of optical detection apparatus, including microscope carrier, above microscope carrier
Image collection module, the light source above microscope carrier and the control module being electrically connected with light source；The light source includes multiple
Sub-light source, each sub-light source are separately connected control module, and the color for the light that at least two sub-light sources issue is different；
The control module is used to control the intensity for the light that multiple sub-light sources issue.
The color for the light that any two sub-light source issues is different.
The light source includes three sub-light sources, which is respectively feux rouges sub-light source, green light sub-light source and blue light
Sub-light source.
It is CCD camera that described image, which obtains module,.
The present invention also provides a kind of optical detecting methods, include the following steps:
Step S1, substrate and optical detection apparatus to be detected are provided；
The optical detection apparatus includes microscope carrier, the image collection module above microscope carrier, the light above microscope carrier
Source and the control module being electrically connected with light source；The light source includes multiple sub-light sources, and each sub-light source is separately connected control
The color for the light that module, at least two sub-light sources issue is different；
Step S2, substrate to be detected is set on microscope carrier；
Step S3, multiple sub-light sources of the described light source emit beam to the surface of substrate to be detected, and image collection module obtains
Take the surface image of substrate to be detected；
Step S4, the described control module controls the intensity for the light that multiple sub-light sources issue, so that image obtains mould
The light characteristic parameter of the surface image for the substrate to be detected that block obtains meets preset standard parameter.
The color for the light that any two sub-light source issues is different.
The light source includes three sub-light sources, which is respectively feux rouges sub-light source, green light sub-light source and blue light
Sub-light source.
It is CCD camera that described image, which obtains module,.
The substrate to be detected is COA type array substrate.
The light characteristic parameter of the surface image of the substrate to be detected is that the brightness of the surface image of substrate to be detected is equal
Even property parameter.
Beneficial effects of the present invention: optical detection apparatus of the invention includes microscope carrier, image collection module, light source and control
Molding block, light source include multiple sub-light sources, and the color for the light that at least two sub-light sources issue is different, to substrate to be detected into
When row optical detection, control module controls the intensity for the light that multiple sub-light sources issue, so that image collection module obtains
The light characteristic parameter of surface image of substrate to be detected meet preset standard parameter, convenient for the progress of optical detection.This
The optical detecting method of invention enables to the light characteristic parameter of the substrate surface image to be detected obtained to meet preset mark
Quasi- parameter, convenient for the progress of optical detection.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of optical detection apparatus of the invention；
Fig. 2 is the flow chart of optical detecting method of the invention；
Fig. 3 is the schematic diagram of the step S2 of optical detecting method of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, the present invention provides a kind of optical detection apparatus, including microscope carrier 10, the image above microscope carrier 10
Obtain module 20, the light source 30 above microscope carrier 10 and the control module 40 being electrically connected with light source 30.The light source 30
Including multiple sub-light sources 31, each sub-light source 31 is separately connected control module 40, the light that at least two sub-light sources 31 issue
Color is different.
The control module 40 is used to control the intensity for the light that multiple sub-light sources 31 issue.
Specifically, the color for the light that any two sub-light source 31 issues is different.
Further, referring to Fig. 1, in a preferred embodiment of the invention, the light source 30 includes three sub-light sources 31,
Three sub-light sources 31 are respectively feux rouges sub-light source 311, green light sub-light source 312 and blue light sub-light source 313.
Specifically, it is CCD (charge coupled device) camera that described image, which obtains module 20,.
It should be noted that optical detection apparatus of the invention is used to carry out optics to substrate 90 to be detected incorporated by reference to Fig. 3
Detection, which can be COA type array substrate, or common with non-in other field of display technology
The substrate of metallic diaphragm.When carrying out optical detection, by substrate 90 to be detected be set to microscope carrier 10 on, later, light source 30 it is multiple
Sub-light source 31 emits beam to the surface of substrate 90 to be detected, and image collection module 20 obtains the exterior view of substrate 90 to be detected
Picture, in order to promoted image collection module 20 acquisition substrate to be detected 90 surface image brightness uniformity, the present invention in, benefit
It is controlled with intensity of the control module 40 to the light that multiple sub-light sources 31 issue, in particular respectively to feux rouges sub-light source 311
The intensity for the blue light that the optical filtering and blue light sub-light source 313 that feux rouges, the green light sub-light source 312 of sending issue issue is controlled, from
And the ratio of three kinds of light of RGB in the light mixing of the sending of light source 30 is adjusted, so that the base to be detected that image collection module 20 obtains
The light characteristic parameter of the surface image of plate 90 meets preset standard parameter, in particular so that image collection module 20 obtains
The brightness uniformity parameter of surface image of substrate to be detected 90 meet preset standard parameter, examined compared to existing optics
The image some regions for surveying the substrate surface to be detected that device is irradiated substrate to be detected using monochromatic light excessively bright are made
At brightness unevenness, the light and shade of the surface image for the substrate to be detected 90 that the present invention enables to image collection module 20 to obtain is more preferably
Uniformly, going on smoothly in order to optical detection.
Referring to Fig. 2, based on the same inventive concept, the present invention also provides a kind of optical detecting methods, include the following steps:
Step S1, substrate 90 to be detected and optical detection apparatus as shown in Figure 1 are provided.
The optical detection apparatus includes microscope carrier 10, the image collection module 20 above microscope carrier 10, is set to microscope carrier 10
The light source 30 of top and the control module 40 being electrically connected with light source 30.The light source 30 includes multiple sub-light sources 31, each
Sub-light source 31 is separately connected control module 40, and the color for the light that at least two sub-light sources 31 issue is different.
Specifically, the color for the light that any two sub-light source 31 issues is different.
Further, referring to Fig. 1, in a preferred embodiment of the invention, the light source 30 includes three sub-light sources 31,
Three sub-light sources 31 are respectively feux rouges sub-light source 311, green light sub-light source 312 and blue light sub-light source 313.
Specifically, it is CCD (charge coupled device) camera that described image, which obtains module 20,.
Specifically, which can be COA type array substrate, or in other field of display technology often
The substrate with nonmetallic film layer seen.
Step S2, referring to Fig. 3, substrate 90 to be detected is set on microscope carrier 10.
Step S3, multiple sub-light sources 31 of the described light source 30 emit beam to the surface of substrate 90 to be detected, and image obtains
Module 20 obtains the surface image of substrate 90 to be detected.
Step S4, the described control module 40 controls the intensity for the light that multiple sub-light sources 31 issue, so that image obtains
The light characteristic parameter of the surface image for the substrate to be detected 90 that modulus block 20 obtains meets preset standard parameter.
Specifically, the light characteristic parameter of the surface image of the substrate to be detected 90 is the exterior view of substrate 90 to be detected
The brightness uniformity parameter of picture.
It should be noted that being issued using control module 40 to multiple sub-light sources 31 in optical detecting method of the invention
The intensity of light controlled, in particular feux rouges, the green light sub-light source 312 that feux rouges sub-light source 311 issues are issued respectively
It filters and the intensity of the blue light of the sending of blue light sub-light source 313 is controlled, RGB in the light mixing issued so as to adjust light source 30
The ratio of three kinds of light, so that the light characteristic parameter of the surface image for the substrate to be detected 90 that image collection module 20 obtains is full
The preset standard parameter of foot, in particular so that the brightness of the surface image for the substrate to be detected 90 that image collection module 20 obtains
Uniformity parameters meet preset standard parameter, compared to existing optical detection apparatus using monochromatic light to substrate to be detected into
The image some regions for the substrate surface to be detected that row irradiation obtains are excessively bright to cause brightness unevenness, and the present invention enables to image to obtain
The light and shade of the surface image for the substrate to be detected 90 that modulus block 20 obtains is more preferably uniform, in order to going on smoothly for optical detection.
In conclusion optical detection apparatus of the invention includes microscope carrier, image collection module, light source and control module,
Light source includes multiple sub-light sources, and the color for the light that at least two sub-light sources issue is different, is carrying out optics to substrate to be detected
When detection, control module controls the intensity for the light that multiple sub-light sources issue, so that image collection module acquisition is to be checked
The light characteristic parameter for surveying the surface image of substrate meets preset standard parameter, convenient for the progress of optical detection.Of the invention
Optical detecting method enables to the light characteristic parameter of the substrate surface image to be detected obtained to meet preset standard parameter,
Convenient for the progress of optical detection.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of optical detection apparatus, which is characterized in that including microscope carrier (10), the image collection module being set to above microscope carrier (10)
(20), the light source (30) being set to above microscope carrier (10) and the control module (40) being electrically connected with light source (30)；The light source
It (30) include multiple sub-light sources (31), each sub-light source (31) is separately connected control module (40), at least two sub-light sources
(31) color of the light issued is different；
The control module (40) is used to control the intensity of the light of multiple sub-light sources (31) sending.
2. optical detection apparatus as described in claim 1, which is characterized in that the face for the light that any two sub-light source (31) issues
Color is different.
3. optical detection apparatus as claimed in claim 2, which is characterized in that the light source (30) includes three sub-light sources
(31), which is respectively feux rouges sub-light source (311), green light sub-light source (312) and blue light sub-light source (313).
4. optical detection apparatus as described in claim 1, which is characterized in that it is CCD camera that described image, which obtains module (20),.
5. a kind of optical detecting method, which comprises the steps of:
Step S1, substrate (90) to be detected and optical detection apparatus are provided；
The optical detection apparatus includes microscope carrier (10), the image collection module (20) being set to above microscope carrier (10), is set to microscope carrier
(10) light source (30) above and the control module (40) with light source (30) electric connection；The light source (30) includes multiple sons
Light source (31), each sub-light source (31) are separately connected control module (40), the face for the light that at least two sub-light sources (31) issue
Color is different；
Step S2, substrate to be detected (90) are set on microscope carrier (10)；
Step S3, multiple sub-light sources (31) of the described light source (30) emit beam to the surface of substrate to be detected (90), and image obtains
Modulus block (20) obtains the surface image of substrate (90) to be detected；
Step S4, the described control module (40) controls the intensity for the light that multiple sub-light sources (31) issue, so that image obtains
The light characteristic parameter of the surface image for the substrate to be detected (90) that modulus block (20) obtains meets preset standard parameter.
6. optical detecting method as claimed in claim 5, which is characterized in that the face for the light that any two sub-light source (31) issues
Color is different.
7. optical detecting method as claimed in claim 6, which is characterized in that the light source (30) includes three sub-light sources
(31), which is respectively feux rouges sub-light source (311), green light sub-light source (312) and blue light sub-light source (313).
8. optical detecting method as claimed in claim 5, which is characterized in that it is CCD camera that described image, which obtains module (20),.
9. optical detecting method as claimed in claim 5, which is characterized in that the substrate (90) to be detected is COA type array
Substrate.
10. optical detecting method as claimed in claim 5, which is characterized in that the surface image of the substrate (90) to be detected
Light characteristic parameter be substrate to be detected (90) surface image brightness uniformity parameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910234480.0A CN109901314A (en) | 2019-03-26 | 2019-03-26 | Optical detection apparatus and optical detecting method |
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| CN201910234480.0A CN109901314A (en) | 2019-03-26 | 2019-03-26 | Optical detection apparatus and optical detecting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345452A (en) * | 2020-11-06 | 2021-02-09 | 罗建华 | Lamplight adjusting method, storage medium and system |
| CN112697405A (en) * | 2021-03-23 | 2021-04-23 | 北京芯海视界三维科技有限公司 | Light-emitting unit detection method and device and detection instrument |
| WO2023221192A1 (en) * | 2022-05-17 | 2023-11-23 | 深圳市华星光电半导体显示技术有限公司 | Optical performance test method for liquid crystal display panel |
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| CN104092941A (en) * | 2014-07-10 | 2014-10-08 | 深圳市得意自动化科技有限公司 | Camera shooting method achieved through camera shooting elements |
| CN108414530A (en) * | 2018-03-13 | 2018-08-17 | 昆山国显光电有限公司 | Automated optical detection equipment |
| CN109003567A (en) * | 2018-07-24 | 2018-12-14 | 深圳市华星光电半导体显示技术有限公司 | TFT array substrate test device and test method |
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2019
- 2019-03-26 CN CN201910234480.0A patent/CN109901314A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN101221122A (en) * | 2007-01-08 | 2008-07-16 | 牧德科技股份有限公司 | Adjustable light source and automatic optical detecting system with the same |
| CN104092941A (en) * | 2014-07-10 | 2014-10-08 | 深圳市得意自动化科技有限公司 | Camera shooting method achieved through camera shooting elements |
| CN108414530A (en) * | 2018-03-13 | 2018-08-17 | 昆山国显光电有限公司 | Automated optical detection equipment |
| CN109003567A (en) * | 2018-07-24 | 2018-12-14 | 深圳市华星光电半导体显示技术有限公司 | TFT array substrate test device and test method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345452A (en) * | 2020-11-06 | 2021-02-09 | 罗建华 | Lamplight adjusting method, storage medium and system |
| CN112697405A (en) * | 2021-03-23 | 2021-04-23 | 北京芯海视界三维科技有限公司 | Light-emitting unit detection method and device and detection instrument |
| WO2023221192A1 (en) * | 2022-05-17 | 2023-11-23 | 深圳市华星光电半导体显示技术有限公司 | Optical performance test method for liquid crystal display panel |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20190618 |