CN106200036A - Lighting detection equipment - Google Patents
Lighting detection equipment Download PDFInfo
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- CN106200036A CN106200036A CN201610490484.1A CN201610490484A CN106200036A CN 106200036 A CN106200036 A CN 106200036A CN 201610490484 A CN201610490484 A CN 201610490484A CN 106200036 A CN106200036 A CN 106200036A
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- detected
- display floater
- lighting
- image
- detection equipment
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of lighting detection equipment, described lighting detection equipment includes base station and image acquiring device, described base station is used for carrying display floater to be detected, described image acquiring device is positioned at the top of described base station, for obtaining the main perspective image of the display floater to be detected being arranged on described base station, described lighting detection equipment also includes at least one reflecting element, described reflecting element for obtaining the side multi-view image of described display floater to be detected from the side of described display floater to be detected, and the described side multi-view image obtained is reflexed to described image acquiring device, described image acquiring device is additionally operable to obtain the side multi-view image of the display floater described to be detected that described reflecting element reflexes to described image acquiring device.The lighting detection equipment of the present invention can effectively shorten the detection time, furthermore it is possible to reduce the quantity of image acquiring device, and can reduce pendulous frequency.
Description
Technical field
The present invention relates to liquid crystal display detection technique field, be specifically related to a kind of lighting detection equipment.
Background technology
In the production field of display floater, it is necessary to by lighting detection equipment, display floater is carried out lighting test,
The lighting test stage is the most important for the management and control of display floater quality, can detect whether display floater has in this stage
Bad point (such as: bright spot or dim spot).
In traditional lighting detection method, detection technique personnel visual inspection, assesses display surface in this way often
The display effect of plate, so can compare labor intensive, material resources.In another mode, use a high-resolution shooting
Head picture each to display floater is acquired analyzing, and assesses the display effect of display floater with this.
But general display floater can be placed in immediately below photographic head, can only detect the image at positive visual angle, some mura class
Show bad, need just can detect from the side-looking angle of display floater.If so using multiple photographic head from different perspectives
Go detection, cost can be increased, if a photographic head gathers each angular image respectively, then can cause detecting overlong time.
Therefore, the technology the most conveniently and efficiently display floater being carried out multi-faceted detection and becoming this area urgently to be resolved hurrily is asked
Topic.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is proposed that a kind of lighting detection sets
Standby.
To achieve these goals, the present invention provides a kind of lighting detection equipment, and described lighting detection equipment includes base station
And image acquiring device, described base station is used for carrying display floater to be detected, and described image acquiring device is positioned at described base station
Top, for obtaining the main perspective image of the display floater to be detected being arranged on described base station, wherein, described lighting detection sets
For also including at least one reflecting element, described reflecting element is described to be detected for obtaining from the side of described display floater to be detected
The side multi-view image of display floater, and the described side multi-view image obtained is reflexed to described image acquiring device, described image
Acquisition device is additionally operable to obtain described reflecting element and reflexes to the described side multi-view image of described image acquiring device.
Preferably, described image acquiring device includes photographic head.
Preferably, described reflecting element includes that plane mirror, described plane mirror are flexibly connected with described base station, so that
The angle obtained between reflecting surface and the described base station of described reflecting element can regulate.
Preferably, the quantity of described reflecting element is four, the position of each described reflecting element and described display surface to be detected
The side of plate is corresponding.
Preferably, described lighting detection equipment also includes that keeper, described keeper are located on the loading end of described base station,
For described display floater to be detected is positioned.
Preferably, described lighting detection equipment also includes processor, described processor and described image acquiring device communication
Connecting, described processor is internally provided with pre-set image information, and described image acquiring device can be obtained by described processor
Image contrasts with described pre-set image information, to judge whether described display floater to be detected exists bad pixel, wherein,
Described bad pixel is that grey decision-making is different from the pixel of the pixel gray level value of corresponding position in pre-set image information.
Preferably, described lighting detection equipment also includes processor, described processor and described image acquiring device communication
Connecting, described lighting detection equipment is for controlling the test image of described display floater to be detected display pure color, and described process
The grey decision-making that in the image that device can will get, on display floater to be detected, each pixel shows contrasts, described to judge
Whether display floater to be detected exists bad pixel, and wherein, described bad pixel is that grey decision-making is different from the image got
At least pixel of the grey decision-making of the pixel of predetermined ratio.
Preferably, described lighting detection equipment also includes that the first travel mechanism, described first travel mechanism are used for moving institute
State base station, so that the side multi-view image that display floater to be detected on described base station and described reflecting element are reflected drops into
The field range of described image acquiring device.
Preferably, to include that the second travel mechanism, described second travel mechanism can regulate described for described lighting detection equipment
Angle between reflecting surface and the described base station of reflecting element.
Preferably, also to include that control module, described control module are used for being turned on and off described for described lighting detection equipment
Image acquiring device: and
Described control module is for controlling described first travel mechanism and/or the direction of motion of described second travel mechanism.
Preferably, described lighting detection equipment also includes bad position logging modle, and described bad position logging modle is used
In recording the position that bad pixel occurs on display floater to be detected.
When utilizing described lighting detection equipment Inspection display floater to be detected, the outgoing of the exiting surface of display floater to be detected
Light can be incident to reflecting element, and as the incident ray of reflecting element, then this incident ray is reflexed to image by this reflecting element
Acquisition device, thus image acquiring device can obtain the side multi-view image of display floater to be detected.Additionally image acquiring device
Being positioned at above base station, can obtain the main perspective image of display floater to be detected, therefore this lighting detection equipment can obtain simultaneously
Take the image that the display floater to be detected of different azimuth is presented when carrying out lighting test.
The lighting detection equipment of the present invention can effectively shorten the detection time, furthermore it is possible to reduce image acquiring device
Quantity, and pendulous frequency can be reduced.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment midpoint lamp inspection measurement equipment.
Description of reference numerals
100: lighting detection equipment；
110: base station；
120: image acquiring device；
130: reflecting element；
200: display floater to be detected.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
With reference to Fig. 1, the present invention relates to a kind of lighting detection equipment 100, this lighting detection equipment 100 mainly includes base station
110 and image acquiring device 120, wherein this base station 110 is used for carrying display floater 200 to be detected, other Image Acquisition dress
Put 120 tops that may be located at base station 110, conveniently obtain the main perspective of the display floater to be detected 200 being arranged on base station 110
Image, wherein this main perspective image refers to utilize the image acquiring device 120 being arranged on above base station 110, from display to be detected
When the front acquisition display floater 200 to be detected of panel 200 carries out lighting test, the image presented.
This lighting detection equipment 100 also includes at least one reflecting element 130, and this reflecting element 130 is for from display to be detected
The side of panel 200 obtains the side multi-view image of display floater 200 to be detected, and the side multi-view image of acquisition is reflexed to image
Acquisition device 120, image acquiring device 120 is additionally operable to obtain reflecting element 130 and reflexes to the side-looking angle figure of image acquiring device 120
Picture.
In the production field of display floater, it is necessary to by lighting detection, display floater is carried out lighting test, lighting
Test phase is the most important for the management and control of display floater quality, can detect whether display floater has in this stage bad
Point, some of which bad point can not detect from the main perspective of display floater, such as mura badness image, needs from aobvious
Show that detection is gone in the different visual angles direction of panel.Skilled addressee readily understands that, lighting detection equipment 100 also includes using
In the image-driven module driving display floater 200 to be detected to show image.Display floater 200 to be detected is being carried out a lamp inspection
During survey, utilize image-driven module drive display floater to be detected 200 display test image.
Utilize the lighting detection equipment 100 that the present embodiment is provided, when carrying out lighting test, by the figure being respectively provided with
As acquisition device 120 and reflecting element 130 obtain the image of display floater 200 to be detected, wherein, display floater 200 to be detected
The emergent ray of exiting surface can be incident to reflecting element 130, as the incident ray of reflecting element 130, then this reflecting element 130
This incident ray is reflexed to image acquiring device 120, thus image acquiring device 120 can obtain display floater to be detected
The side multi-view image of 200.Owing to image acquiring device 120 is positioned at above base station 110, display floater 200 to be detected can be obtained
Main perspective image, therefore this lighting detection equipment 100 can obtain the display floater to be detected 200 of different azimuth simultaneously and entering
The image presented during row lighting test.
The lighting detection equipment 100 of the present embodiment can effectively shorten the detection time, furthermore it is possible to reduce Image Acquisition dress
Put the quantity of 120, and pendulous frequency can be reduced.
Preferably, a kind of concrete structure of above-mentioned image acquiring device 120, photographic head can be included, use photographic head to obtain
Take image, simple in construction.Again, in conjunction with reflecting element 130, photographic head once shoot can gather simultaneously main perspective image and
Side multi-view image, more specifically, can use high-resolution photographic head, and high-resolution camera can clearly obtain
Taking the image of display floater 200 to be detected, the version of the image acquiring device 120 of certain the present embodiment is not restricted to
This, other image acquiring devices 120 with said function can also.
Preferably, a kind of concrete structure of above-mentioned reflecting element 130, plane mirror, wherein this plane reflection can be included
Mirror is flexibly connected with base station 110, and flexible connection herein can be to be rotatably connected so that the reflecting surface of reflecting element 130 with
Angle between base station 110 can regulate, and changes the angle between reflecting surface and base station 110, mutually should reflecting surface with to be detected
Angle between display floater 200 also changes, so can complete detection display floater to be detected 200 whether occur bad point or its
He shows bad.
Use plane mirror as reflecting element 130 simple in construction.According further to optical imaging concept, during lighting test,
Plane mirror receives from the incident ray at display floater 200 side-looking angle to be detected, and this incident ray is reflexed to figure
As acquisition device 120, it is possible to effectively detect whether display floater 200 to be detected bad display occurs.Certainly the tool of reflecting element 130
Body version is not restricted to this, it is also possible to use other to have the reflecting element of reflection function 130.
Preferably, the quantity of above-mentioned reflecting element 130 is four, the position of each reflecting element 130 and display floater to be detected
The side of 200 is corresponding, and display floater 200 general shape to be detected is rectangle, additionally during lighting test, it is also desirable to from each angle
Degree goes to detect the display situation of display floater 200 to be detected, so arranging four reflecting elements 130, on the one hand meets with to be detected
The limit number of display floater 200 is suitable, on the other hand meets the display feelings detecting display floater 200 to be detected from diverse location
Condition, it is possible to more complete detection.
Preferably, above-mentioned lighting detection equipment 100 also includes keeper (not showing that in figure), and base station is located at by this keeper
On the loading end of 110, for display floater 200 to be detected is positioned.
This display floater 200 to be detected can be positioned by the keeper arranged.Preferably, lighting detection equipment 100
Multiple keeper can be included, position for various sizes of display floater 200 to be detected, such that it is able to improve point
The versatility of lamp inspection measurement equipment 100.
Preferably, above-mentioned lighting detection equipment 100 also includes processor (not showing that in figure), and this processor obtains with image
Fetching is put 120 communications and is connected, and this processor is internally provided with pre-set image information, and processor can be by image acquiring device
Image acquired in 120 contrasts with pre-set image information, to judge whether display floater 200 to be detected exists bad picture
Element, wherein, bad pixel is that grey decision-making is different from the pixel of the pixel gray level value of corresponding position in pre-set image information, wherein
Pre-set image information refer to when carrying out lighting test, conformance with standard require series of displays image.
Preferably, lighting detection equipment 100 also includes that processor, processor are connected with image acquiring device 120 communication, point
Lamp inspection measurement equipment 100 can control display floater 200 to be detected and show the test image of pure color, and processor can will get
Image in each pixel shows on display floater 200 to be detected grey decision-making contrast, to judge display floater to be detected
Whether 200 exist bad pixel, and wherein, bad pixel is the picture that grey decision-making is different from least predetermined ratio in the image got
The pixel of the grey decision-making of element.In the present invention, the concrete numerical value of predetermined ratio is not had special requirement, can be by be detected
The production requirement of display floater 200 is determined.Such as, predetermined ratio can select between 90% to 99%.
Whether each pixel carrying out judging on display floater 200 to be detected by processor shows that normally this can keep away
Erroneous judgement that the subjective judgment of immune technology personnel causes or detect bad, this processor can be central processing unit, this centre
Reason device can be embedded on the equipment of notebook or desktop computer or other equal functions.
Certainly, when display floater 200 to be detected is judged as bad, find this to be checked to allow technical staff be easier to
Survey the position that bad pixel occurs on display floater 200, it is preferable that lighting detection equipment 100 can also include bad position
Logging modle (not shown), this bad position logging modle for record occur on display floater 200 to be detected bad
The position of pixel.Correspondingly, technical staff can be according to the position that bad pixel occurs of bad position logging modle output
Display floater 200 to be detected is keeped in repair.
Preferably, above-mentioned lighting detection equipment 100 also includes the first travel mechanism (not showing that in figure), and this first moves
Mechanism is used for moving above-mentioned base station 110, so that display floater to be detected 200 and reflecting element 130 on base station 110 are reflected
Side multi-view image drop into the field range of image acquiring device 120.
The first travel mechanism arranged, when carrying out lighting detection, can be according to various sizes of display floater to be detected
200, it is adjusted so that the side multi-view image that this display floater 200 to be detected and each reflecting element 130 are reflected can fall
To image acquiring device 120 within sweep of the eye, so as to display floater 200 to be detected is analyzed all sidedly.Specifically
Ground, the first travel mechanism can move up and down, it is also possible to moves left and right, and the specific constructive form of this first travel mechanism can be adopted
With the combination of guide rail Yu cylinder, in wherein the part-structure of base station 110 may be located at the chute on guide rail.By driving base station edge
Guide rail moves, it is also possible to utilize air cylinder driven base station 110 to move along the vertical direction.Certainly the concrete structure of this first travel mechanism
Form can also use other forms, meets locomotive function.
Preferably, above-mentioned lighting detection equipment 100 also includes the second travel mechanism (not showing that in figure), and this second moves
Mechanism can regulate the angle between the reflecting surface of reflecting element 130 and base station 110.
The second travel mechanism arranged, when carrying out lighting detection, can be according to various sizes of display floater to be detected
200, it is adjusted, in order to make the reflecting surface of reflecting element 130 can reflect the side-looking angle figure of display floater 200 to be detected comprehensively
Picture, improves Detection accuracy.
Preferably, in order to realize Automated condtrol further, this lighting detection equipment 100 also includes that control module is (in figure
Do not show that), this control module is for controlling being turned on and off of image acquiring device 120, to obtain display floater to be detected
The display image of 200.It addition, this control module can be also used for controlling the first above-mentioned travel mechanism and/or the second moving machine
The direction of motion of structure.
The control module arranged can realize Automated condtrol, and user has only to operate this control module, just can be effective
Control this lighting detection equipment 100, complete the lighting test to display floater 200 to be detected.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the exemplary enforcement that uses
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a lighting detection equipment, described lighting detection equipment includes that base station and image acquiring device, described base station are used for holding
Carrying display floater to be detected, described image acquiring device is positioned at the top of described base station, is arranged on described base station for acquisition
The main perspective image of display floater to be detected, it is characterised in that described lighting detection equipment also includes at least one reflecting element,
Described reflecting element is used for obtaining the side multi-view image of described display floater to be detected from the side of described display floater to be detected, and
The described side multi-view image obtained is reflexed to described image acquiring device, described image acquiring device be additionally operable to obtain described instead
Penetrate part and reflex to the described side multi-view image of described image acquiring device.
Lighting the most according to claim 1 detection equipment, it is characterised in that described image acquiring device includes photographic head.
Lighting the most according to claim 1 detection equipment, it is characterised in that described reflecting element includes plane mirror, institute
State plane mirror to be flexibly connected with described base station, so that the angle energy between the reflecting surface of described reflecting element and described base station
Enough regulations.
4. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that the quantity of described reflecting element
Being four, the position of each described reflecting element is corresponding with the side of described display floater to be detected.
5. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that described lighting detection equipment
Also include that keeper, described keeper are located on the loading end of described base station, fixed for described display floater to be detected is carried out
Position.
6. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that described lighting detection equipment
Also including that processor, described processor are connected with described image acquiring device communication, described processor is internally provided with presets figure
As information, the image that described image acquiring device can be obtained by described processor contrasts with described pre-set image information,
To judge whether described display floater to be detected exists bad pixel, wherein, described bad pixel is described in grey decision-making is different from
The pixel of the pixel gray level value of corresponding position in pre-set image information.
7. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that described lighting detection equipment
Also including that processor, described processor are connected with described image acquiring device communication, described lighting detection equipment is used for controlling institute
State the test image of display floater to be detected display pure color, and display to be detected in the image that can will get of described processor
The grey decision-making that on panel, each pixel shows contrasts, to judge whether described display floater to be detected exists bad pixel,
Wherein, described bad pixel is the picture that grey decision-making is different from least grey decision-making of the pixel of predetermined ratio in the image got
Element.
8. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that described lighting detection equipment
Also include that the first travel mechanism, described first travel mechanism are used for moving described base station, to be detected on described base station
The side multi-view image that display floater and described reflecting element are reflected drops into the field range of described image acquiring device.
Lighting the most according to claim 8 detection equipment, it is characterised in that described lighting detection equipment includes that second moves
Mechanism, described second travel mechanism can regulate the angle between the reflecting surface of described reflecting element and described base station.
Lighting the most according to claim 9 detection equipment, it is characterised in that described lighting detection equipment also includes controlling
Module, described control module is used for being turned on and off described image acquiring device: and
Described control module is for controlling described first travel mechanism and/or the direction of motion of described second travel mechanism.
11. detect equipment according to the lighting described in any one in claim 1-3, it is characterised in that described lighting detection sets
Standby also include bad position logging modle, described bad position logging modle be used for recording occur on display floater to be detected bad
The position of pixel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490484.1A CN106200036B (en) | 2016-06-28 | 2016-06-28 | Lighting detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490484.1A CN106200036B (en) | 2016-06-28 | 2016-06-28 | Lighting detection equipment |
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| Publication Number | Publication Date |
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| CN106200036A true CN106200036A (en) | 2016-12-07 |
| CN106200036B CN106200036B (en) | 2020-03-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109739032A (en) * | 2019-01-24 | 2019-05-10 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal check machine and its detection method in a kind of smooth orientation back box |
| CN109855672A (en) * | 2019-04-25 | 2019-06-07 | 佛山市南海区广工大数控装备协同创新研究院 | A kind of band chamfering radian glass plate automatic detection device |
| CN109884811A (en) * | 2019-03-21 | 2019-06-14 | 深圳市华星光电技术有限公司 | Defects of display panel height detection method |
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| CN106200036B (en) | 2020-03-13 |
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Effective date of registration: 20210513 Address after: 100015 No. 10, Jiuxianqiao Road, Beijing, Chaoyang District Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE VACUUM TECHNOLOGY Co.,Ltd. Address before: 100015 No. 10, Jiuxianqiao Road, Beijing, Chaoyang District Patentee before: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |