CN105845062A - Method and system of detecting display panels, and batch detection method of display panels - Google Patents
Method and system of detecting display panels, and batch detection method of display panels Download PDFInfo
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- CN105845062A CN105845062A CN201610201123.0A CN201610201123A CN105845062A CN 105845062 A CN105845062 A CN 105845062A CN 201610201123 A CN201610201123 A CN 201610201123A CN 105845062 A CN105845062 A CN 105845062A
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- display floater
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The invention provides a method of automatically detecting display panels, comprising: controlling a display panel to be detected to display a test image; collecting the image displayed by the display panel from the outside of the display panel; collecting the gray-scale value of each pixel of the image displayed by the display panel; and determining whether the display panel is perfect according to the gray-scale value of each pixel of the image displayed by the display panel. The invention also provides a batch detection method of display panels, and a detection system. The method utilizes the gray-scale value of each pixel of the image which is displayed by the display panel and collected from the outside of the display panel to determine whether the display panel is perfect; the determination process in automatically completed by processing equipment such as a computer instead of human eyes, thereby avoiding possible errors in human eye detection, and improving detection accuracy.
Description
Technical field
The present invention relates to the detection field of display floater, in particular it relates to one is to display surface
The method that plate detects automatically, a kind of detecting system performing described method and one are to multiple
Display floater carries out the batch detector methods of batch detection.
Background technology
Along with the shipment amount of display floater increases year by year, produce appointing of line module quality testing link
Business amount is consequently increased.At present, rely primarily on whether manual detection display floater exists bad.
But, testing result is by the working experience of staff, working attitude, long-time
The impact of the factors such as the visual fatigue after work, and, human eye is difficult to differentiate on display floater sometimes
Bad.
Therefore, how improving the accuracy of test result, to become this area urgently to be resolved hurrily
Technical problem.
Summary of the invention
It is an object of the invention to provide a kind of display floater is detected automatically method,
A kind of detecting system performing described detection method and one carry out batch detection to display floater
Method.Utilize described method detection display floater can improve the accuracy of testing result.
To achieve these goals, as one aspect of the present invention, it is provided that a kind of to display
The method that panel detects automatically, wherein, described method includes:
Control display floater display test image to be detected；
From the outside image gathered shown by described display floater of described display floater；
Gather the grey decision-making of each pixel of image shown by described display floater；
The grey decision-making of each pixel according to the image shown by the described display floater gathered is sentenced
Whether exist bad on disconnected described display floater.
Preferably, from the outside figure gathered shown by described display floater of described display floater
The step of picture includes:
Utilize camera that the display floater of display test image is shot, described to obtain
Image shown by display floater.
Preferably, according to each pixel of the image shown by the described display floater gathered
Grey decision-making judges that whether there is bad step on described display floater includes:
Calculate gather the image shown by described display floater each pixel grey decision-making with
The difference of the grey decision-making of each corresponding pixel of described test image；
When the image shown by the described display floater gathered exists bad pixel, then sentence
Fixed described display floater exists bad for this width test image at described bad pixel, its
In, described bad pixel be collection the image shown by described display floater in grey decision-making and institute
State the picture not within the predefined range of the difference between the grey decision-making of pixel accordingly on test image
Element.
Preferably, described test image is that pure color tests image, according to the described display gathered
The grey decision-making of each pixel of the image shown by panel judges whether deposit on described display floater
Include in bad step:
The grey decision-making of each pixel calculating the image shown by described display floater shows with described
Show image shown by panel remaining all pixel grey decision-making between difference, when gather
When image shown by described display floater exists bad pixel, then judge described display floater
Exist bad at described bad pixel for this width test image, wherein, described bad pixel
In image shown by the described display floater that gathers in grey decision-making and remaining all pixel extremely
Difference between the grey decision-making of the pixel of few 80% is beyond the pixel of preset range.
Preferably, in the step controlling display floater display test image to be detected, control
Make display floater to be detected and show several mutually different test images；
The grey decision-making of each pixel according to the image shown by the described display floater gathered is sentenced
Whether there is bad step on disconnected described display floater to include:
When display floater is for the position testing the bad pixel that image judges described at least two width
Time identical, then judge that described display floater occurs at described bad pixel bad.
Preferably, described method also includes:
When judging that described display floater occurs bad at described bad pixel, according to generation
The grey decision-making of described bad pixel, the position of described bad pixel and the number of described bad pixel
Amount judges the bad type of described display floater.
Preferably, according to the grey decision-making of described bad pixel, the position of described bad pixel with
And the quantity of described bad pixel judges that the bad type of described display floater includes:
When described bad pixel include gather described display floater shown by image in one
Individual or several grey decision-making more than the respective pixel in corresponding test image grey decision-making and with accordingly
During the difference not pixel in described preset range of grey decision-making of the respective pixel in test image,
Then judge the bad as bright spot of described display floater；
When described bad pixel include gather described display floater shown by image in one-tenth
Row or rows of grey decision-making more than the respective pixel in corresponding test image grey decision-making,
And with the difference of the grey decision-making of the respective pixel in corresponding test image not in described preset range
Pixel time, then judge the bad as bright line of described display floater.
Preferably, described method also includes:
Record and store the bad type of described display floater.
Preferably, described method also includes:
When described display floater exists bad, the defective region on described display floater is entered
Line flag.
As another aspect of the present invention, it is provided that the batch detection of a kind of multiple display floaters
Method, wherein, described batch detector methods includes utilizing said method pair provided by the present invention
Multiple described display floaters detect.
Preferably, described batch detector methods also includes:
Described display floater is grouped by the bad type according to described display floater, same
Display floater included in group has identical bad type.
Still another aspect as the present invention, it is provided that a kind of for automatically detecting display floater
Detecting system, wherein, described detecting system includes:
Point lamp module, described some lamp module is for controlling display floater display test to be detected
Image；
Image capture module, described image capture module is for from the outside of described display floater
Gather the image shown by described display floater, and shown by the described display floater that will collect
Image output；
GTG acquisition module, the input of described GTG acquisition module and described IMAQ mould
The output of block is connected, to receive the described display floater institute that described image capture module collects
The image of display, and described GTG acquisition module is used for gathering and export described display floater institute
The grey decision-making of each pixel of the image of display；
Bad judge module, the input of described bad judge module gathers mould with described GTG
The output of block is connected, and described bad judge module can export according to described GTG acquisition module
The grey decision-making of each pixel of the image shown by described display floater judge described display surface
Whether exist bad on plate, and generate judged result.
Preferably, described bad judge module is for calculating the figure shown by described display floater
The difference of the grey decision-making of each pixel of the grey decision-making of each pixel and described test image in Xiang,
To judge whether the image shown by described display floater exists bad pixel, wherein, described
Bad pixel is grey decision-making and described test in the image shown by described display floater gathered
On image, difference between the grey decision-making of corresponding pixel pixel not within the predefined range, works as institute
State time the image shown by display floater exists described bad pixel, described bad judge module
Send the described display floater of judgement to exist not at described bad pixel for described test image
Good judgement signal.
Preferably, described test image is that pure color tests image, and described bad judge module is used
The grey decision-making of each pixel and described display in the image calculated shown by described display floater
Difference between the grey decision-making of remaining all pixel of the image shown by panel, when the institute gathered
Stating when there is bad pixel in the image shown by display floater, described bad judge module sends
Judge that described display floater exists bad for this width test image at described bad pixel
Judging signal, wherein, described bad pixel is the image shown by described display floater gathered
In middle grey decision-making and remaining all pixel, the difference between the grey decision-making of the pixel of at least 80% surpasses
Go out the pixel of preset range.
Preferably, described some lamp module can control described display floater and show that several are mutual successively
The image differed, described bad judge module can also determine shown by described display floater
Each width image is for the position of the bad pixel testing image described in corresponding each width, when described display
Panel is for when at least two width difference test images, the position of bad pixel is identical, described bad
Judge module sends described display floater and bad judgement signal occurs at described bad pixel.
Preferably, described detecting system also includes that type judging module, described type judge mould
Block can according to the grey decision-making of described bad pixel, the position of described bad pixel and described not
The quantity of good pixel judges the bad type of described display floater.
Preferably, the institute that described type judging module can gather at described image capture module
State and the image shown by display floater exists one or several grey decision-making more than test image
Grey decision-making and the difference not bad pixel in described preset range of the grey decision-making with test image
Time, generate the bad judgement signal being judged to bright spot of described display floater；And/or
Described type judging module can be described aobvious collect when described image capture module
Show the image shown by panel exists in column or rows of grey decision-making more than test image
Grey decision-making and with the difference not bad picture in described preset range of grey decision-making of test image
During element, generate the bad judgement signal being judged to bright line of described display floater.
Preferably, described detecting system also includes recording memory module, described record storage mould
Block is for making a reservation for physical address and bad class record that bad display floater occurs
Position.
Preferably, described detecting system also includes mark module, and described mark module is used for
Defective region is marked when existing bad by described display floater.
Preferably, described detecting system also includes diversity module, and described diversity module is used for root
According to the bad type of each display floater, described display floater is carried out classification arrangement.
Preferably, described some lamp module includes automatically playing submodule, described automatic broadcasting
Module can control described display floater and the most automatically play several differences
Described test image, described image capture module every described predetermined time interval to described
The image that display floater shows once gathers.
Preferably, described detecting system also includes communication module, and described communication module can be by
Data including testing result send to data sink.
In method provided by the present invention, the outside from described display floater is utilized to gather
Whether the grey decision-making of each pixel of the image i.e. place's of can determine whether display floater occurs bad, this judgement
Process is automatically performed by processing equipments such as computers, rather than is completed by human eye, therefore, stops
Contingent various errors during human eye detection, thus improve the accuracy of detection.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the one of specification
Part, is used for explaining the present invention together with detailed description below, but is not intended that this
The restriction of invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method detecting display floater provided by the present invention；
Fig. 2 is showing of a kind of detailed description of the invention of step S400 of the method shown in Fig. 1
It is intended to；
Fig. 3 is the another kind of detailed description of the invention of step S400 of the method shown in Fig. 1
Schematic diagram；
Fig. 4 is the signal of the method that display floater carries out batch detection provided by the present invention
Figure；
Fig. 5 (a) to Fig. 5 (d) is illustrated that four kinds of bad types；
Fig. 6 is the module diagram of detecting system provided by the present invention.
Description of reference numerals
110: some lamp module 120: image capture module
130: GTG acquisition module 140: bad judge module
150: record memory module 160: mark module
170: type judging module 180: diversity module
190: communication module 200: display floater
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.Should manage
Solving, detailed description of the invention described herein is merely to illustrate and explains the present invention, not
For limiting the present invention.
As it is shown in figure 1, as one aspect of the present invention, it is provided that display floater is entered by one
The method of row detection automatically, wherein, described method includes:
S100, control display floater to be detected display test image；
S200, from the outside image gathered shown by described display floater of described display floater；
S300, gather the grey decision-making of each pixel of image shown by described display floater；
S400, the ash of each pixel according to the image shown by the described display floater gathered
Whether rank value judges to exist on described display floater bad.
In method provided by the present invention, the outside from described display floater is utilized to gather
The grey decision-making of each pixel of the image shown by described display floater i.e. can determine whether to locate display surface
It is bad whether plate occurs, and this deterministic process is automatically performed by processing equipments such as computers, rather than
Completed by human eye, therefore, stopped contingent various errors during human eye detection, thus carried
The high accuracy of detection.
In the present invention, the grey decision-making of each pixel of test image determines that.In step
From the image shown by the outside described display floater obtained of display floater and step in S200
S100 inputs the pixel one_to_one corresponding of the test image to display floater.By in step
S300 gathers the grey decision-making of each pixel of image shown by described display floater, and
By the GTG of each pixel than the image obtained in step S300 with corresponding in step S400
The GTG of each pixel of test image contrast, or will step S300 obtain
The grey decision-making of different pixels contrasts, and can be readily able to draw whether there is generation not
Good pixel (i.e., hereinafter it is to be mentioned that bad pixel), and be easy to judge display
It is bad whether panel exists.
As one embodiment of the present invention, in the step s 100, can control to be detected
Display floater show one width test image.Therefore, the most also from described display
The outside test image gathered shown by this display surface of a width of panel.In step S300,
Gather the grey decision-making of each pixel of test image shown by display floater described in a width, in step
In rapid S400, the grey decision-making of each pixel gathered in step S300 is utilized to judge described aobvious
Show whether exist on panel bad.
As the another embodiment of we, in the step s 100, can control to be detected
Display floater show several test image.Display floater often show one width test image, i.e. from
The image that outside display floater of collection of display floater shows, subsequently further according to from described aobvious
Show the grey decision-making of each pixel of the outside image shown by this display floater gathered of panel
Judge whether to exist on described display floater bad.
According to each width from the survey shown by outside this display floater gathered of described display floater
The grey decision-making of each pixel attempting picture judges whether to exist on described display floater bad side
Method has multiple.Such as, as mentioned above it is possible, can will gather described display floater shown by
Test image on each pixel grey decision-making with test image each grey decision-making contrast；
Or, each pixel on test image shown by the described display floater that can will gather
Grey decision-making contrasts.Specifically it is described below, does not first repeat here.
In the present invention, to how to gather shown by display floater from the outside of display floater
The concrete mode of each width test image does not has special regulation, for example, it is possible to utilize scanner
Scanning image shown by display floater.In order to improve detection efficiency, it is preferable that step S200
Including:
Utilize camera that the display floater of display test image is shot, described to obtain
Image shown by display floater.
As a kind of preferred embodiment of the present invention, as in figure 2 it is shown, step S400 is permissible
Including:
The ash of each pixel of the image shown by described display floater that S410a, calculating gather
Rank are worth the difference of the grey decision-making of each the corresponding pixel with corresponding described test image；
S420a, when gather described display floater shown by image in there is bad pixel
Time, then judge that described display floater exists not at described bad pixel for this pair test image
Good, wherein, described bad pixel is GTG in the image shown by described display floater gathered
It is worth with difference between the grey decision-making of corresponding pixel on described test image not at preset range
Interior pixel.
Error is there is owing to manufacturing the technique of display floater itself, therefore, if display floater
Display image GTG allow error range in just it is believed that this display floater is qualified
's.In the present invention, the grey decision-making of test image is known, and described preset range is product
The error range allowed.
If from the image shown by outside this display floater gathered of described display floater
The grey decision-making of each pixel with test image corresponding pixel grey decision-making difference beyond
Described preset range, then show that this display floater exists serious colour cast when display.If from
In the outside image shown by this display floater gathered of described display floater certain or
The grey decision-making of certain several pixel cell with input to display floater test image grey decision-making it
Difference exceedes described preset range, then show that above-mentioned certain or certain several pixel cells have problems
(that is, for bad pixel).
As mentioned above it is possible, in method provided by the present invention, display floater can be controlled
Show a width test image, it is also possible to control display floater and show that several test image.In test
Image is in the case of a width, and the result of determination in step S420a is then given for provided by the present invention
The testing result of method.
" preset range " described in step S420a is to manufacture display floater to allow
Error range.When, in the image that display floater shows, there is described difference and exceed described predetermined model
During the pixel enclosed, then it is believed that described display floater is bad at this pixel.
For the ease of judging, it is preferable that described test image is solid-color image, therefore, institute
The grey decision-making stating each pixel in test image is identical.Another kind as the present invention is excellent
Select embodiment, as it is shown on figure 3, step S400 includes:
S410b, calculate image shown by described display floater each pixel grey decision-making with
Difference between the grey decision-making of remaining all pixel of the image shown by described display floater；
S420b, when gather described display floater shown by image in there is bad pixel
Time, then judge that described display floater exists not at described bad pixel for this width test image
Good, wherein, described bad pixel is GTG in the image shown by described display floater gathered
In value and remaining all pixel, the difference between the grey decision-making of the pixel of at least 80% is beyond predetermined
The pixel of scope.
In order to improve the accuracy of detection, situation about making a fault during getting rid of detection, excellent
Selection of land, in the step s 100, controls display floater to be detected and shows that several are mutually different
Test image, as shown in Figures 2 and 3, step S400 also includes:
S430, when display floater for described at least two width test image judge bad pixel
Position identical time, then judge that described display floater occurs at described bad pixel bad.
The detection equipment performing described detection method there is also error.When display floater is carried out
Repeated detection, all proves that described display floater when certain position exists bad, then can determine that
Described display floater exists bad in this place.When described display floater being carried out repeated detection, all
Prove when described display floater is non-defective unit, then can determine that described display floater is non-defective unit.When to aobvious
Show that panel carries out repeated detection, when existing bad and bad for test images more than two width
Position identical, but for one width test image described in display floater be non-defective unit time, it is possible to judge
Described display floater is defective products.
For the ease of repairing and revising the technique manufacturing display floater, it is preferable that such as Fig. 1
Shown in, described method can also include:
S500, when judge described display floater occur bad at described bad pixel time, root
Grey decision-making, the position of described bad pixel and described bad pixel according to described bad pixel
The bad type of display floater described in position judgment.
Preferably, step S500 includes:
When described bad pixel include gather described display floater shown by image in one
Individual or several grey decision-making more than the respective pixel in corresponding test image grey decision-making and with accordingly
During the difference not pixel in described preset range of grey decision-making of the respective pixel in test image,
Then judge the bad as bright spot of described display floater.Being as shown in A in Fig. 5 (a)
Bright spot is bad.
When described bad pixel include gather described display floater shown by image in one-tenth
Row or rows of grey decision-making more than the respective pixel in corresponding test image grey decision-making,
And with the difference of the grey decision-making of the respective pixel in corresponding test image not in described preset range
Pixel time, then judge the bad as bright line of described display floater.At B in Fig. 5 (b)
It is shown that to be bright line bad.
Above-described embodiment is only enumerated two kinds of different bad types.Certainly, originally
Invention is not limited to this.Such as, bad type can also include light leak, moire (MURA)
Deng.
It is bad that bad type as shown in C in Fig. 5 (c) is light leak.Such as Fig. 5 (d)
It is bad that bad type shown in middle D is moire.
In the art, various bad types are all defined, repeat the most one by one.
For the ease of management and reparation, it is preferable that as it is shown in figure 1, described method is all right
Including:
S600, record and store the bad type of described display floater.
Equally for the ease of management and reparation, it is preferable that described method also includes:
S700, when described display floater exists bad, bad on described display floater
Region is marked.
In the present invention, to how marking defective region it is not particularly limited, such as,
Manipulator can be controlled defective region is marked.The mode of mark includes, but not limited to
To defective region paint color etc..
As another aspect of the present invention, it is provided that the batch detection of a kind of multiple display floaters
Method, this batch detector methods includes utilizing said method provided by the present invention to multiple described
Display floater detects.
As mentioned above it is possible, utilizing method provided by the present invention that display floater is examined
During survey, eliminate the human factor impact on testing result so that testing result is more accurate.
Preferably, described batch detector methods also includes:
Described display floater is grouped by the bad type according to described display floater, same
Display floater included in group has identical bad type.
Shown in Fig. 4 is the flow chart of batch detector methods provided by the present invention.Need
It is noted that in the present invention, camera is utilized to gather display floater the outside of display floater
Shown image.
As shown in Figure 4, first, at the beginning of the system performing described batch detector methods being carried out
Beginningization, later on camera.
In the present invention, system is carried out initialized step to include: to performing described batch
The detecting system of detection method arranges parameter corresponding to various bad type, camera collection figure
Distance between the frequency of picture, camera and screen to be detected and camera photograph
The multiplication factor etc. of image.
It follows that one of display floater is performed method provided by the present invention, including:
S100, control display floater to be detected display test image；
S200, from the outside image gathered shown by described display floater of described display floater；
S300, gather the grey decision-making of each pixel of image shown by described display floater；
S400, the ash of each pixel according to the image shown by the described display floater gathered
Whether rank value judges to exist on described display floater bad.
When result of determination shows to exist bad, minute book secondary data is also analyzed next block and is shown
Panel.
When result of determination shows not exist bad, start manipulator and bad position be marked,
And record this secondary data.
As the still another aspect of the present invention, as shown in Figure 6, it is provided that a kind of execution present invention
The detecting system of the method for the display floater of detection automatically provided, this detecting system is for automatically
Detection display floater, wherein, described detecting system includes:
Point lamp module 110, this lamp module 110 is for controlling display floater 200 to be detected
Display test image；
Image capture module 120, this image capture module 120 is for from display floater 200
This image shown by display floater 200, and the display floater that will collect is gathered outside
Image output shown by 200；
GTG acquisition module 130, the input of this GTG acquisition module 130 and IMAQ mould
The output of block 120 is connected, and the display collected to receive this image capture module 130 sells you
Image shown by 200, and, do not connect acquisition module 130 for gathering and output display
The grey decision-making of each pixel of the image shown by panel 200
Bad judge module 140, the input of this bad judge module 140 gathers mould with GTG
The output of block 130 is connected, and bad judge module 140 can be according to GTG acquisition module
The grey decision-making of each pixel of the image shown by described display floater of 130 outputs judges aobvious
Show whether exist bad on panel 200, and generate judged result.
It is easily understood that some lamp module 110 is used for performing step S100, IMAQ mould
Block 120 is used for performing step S200, and GTG acquisition module 130 is used for performing step S300,
Bad judge module 140 is used for performing step S400.
As mentioned above it is possible, in step s 200, it is possible to use camera is from display floater
The outside every piece image gathered shown by this display floater, accordingly, as the one of the present invention
Planting embodiment, image capture module 120 can include camera.
As mentioned above it is possible, as a kind of preferred embodiment of the present invention, in step S100
In, control display floater 200 and show at least one width pure color test image, correspondingly, lighting mould
Block 110 can control display floater 200 to be detected and show at least one width pure color test image.
As a kind of detailed description of the invention of the present invention, bad judge module 140 is used for calculating
The grey decision-making of each pixel and described test image in image shown by display floater 200
Whether the difference of the grey decision-making of each pixel, judge in the image shown by display floater 200
There is bad pixel, wherein, described bad pixel is shown by the display floater 200 gathered
In image, grey decision-making is with difference between the grey decision-making of corresponding pixel on described test image not
Pixel in preset range, described bad when the image shown by display floater 200 exists
During pixel, bad judge module 140 sends judgement display floater 200 for described test image
Bad judgement signal is there is at described bad pixel.
As another embodiment of the invention, described test image can be pure color test
Image.Correspondingly, bad judge module 140 is for calculating the figure shown by display floater 200
The grey decision-making of each pixel of picture and remaining all picture of the image shown by display floater 200
Difference between the grey decision-making of element, when existing in the image shown by the display floater 200 gathered
During bad pixel, bad judge module 140 sends this display floater 200 of judgement and surveys for this width
Attempt as there is bad judgement signal, wherein, described bad pixel at described bad pixel
In image shown by the display floater 200 that gathers in grey decision-making and remaining all pixel extremely
Difference between the grey decision-making of the pixel of few 80% is beyond the pixel of preset range.
As mentioned above it is possible, some lamp module 110 can control display floater 200 and show successively
Several mutually different test images, bad judge module 140 can also determine display floater
Each width image shown by 200 is for the position of the bad pixel testing image described in corresponding each width
Put, when display floater 200 occurs the position of bad pixel at least two width difference test images
When putting identical, bad judge module 140 sends described display floater and sends out at described bad pixel
Raw bad judgement signal.
Preferably, described detecting system can also include type judging module 170, and the type is sentenced
Disconnected module 170 can according to the grey decision-making of described bad pixel, described bad pixel position with
And the quantity of described bad pixel judges the bad type of described display floater.
As a kind of preferred embodiment of the present invention, type judging module 170 can be at figure
Image as shown by the display floater 200 that acquisition module 120 collects exists one or several
Individual grey decision-making more than the grey decision-making of corresponding test image and with the grey decision-making of corresponding test image it
During the difference not bad pixel in described preset range, generate and the bad of display floater 200 is sentenced
It is set to the judgement signal of bright spot；And/or
Type judging module 170 can be at the display surface collected when image capture module 120
Image shown by plate 200 exists in column or rows of grey decision-making more than corresponding test
The grey decision-making of image and with the difference of the grey decision-making of corresponding test image not in described preset range
Bad pixel time, generate the bad judgement signal being judged to bright line of display floater 200.
Preferably, described detecting system also includes recording memory module 150, this record storage mould
Block 150 is for existing physical address and bad class record that bad display floater occurs
Precalculated position.
Preferably, described detecting system also includes mark module 160, this mark module 160
For defective region being marked when described display floater exists bad.
Preferably, described detecting system also includes diversity module 180, this diversity module 180
For the bad type according to each display floater, described display floater is carried out classification arrangement.
Preferably, described some lamp module includes automatically playing submodule, described automatic broadcasting
Module can control described display floater and the most automatically play several differences
Described test image, described image capture module every described predetermined time interval to described
The image that display floater shows once gathers.It is pointed out that and automatically play submodule
Effect be control display floater play test image cycle.In the present invention, can will scheme
As the frequency acquisition of acquisition module is designed as identical with the broadcasting frequency automatically playing submodule.
Preferably, described detecting system also includes communication module 190, this communication module 190
The data including testing result can be sent to data sink.Data receiver dress herein
Putting can be the computers etc. that are currently in use of monitoring personnel, in order to monitoring personnel obtain detection knot
Really.
In the present invention, the testing result that different detecting systems obtain can be sent to same
Data sink, such that it is able to realize Intelligent office.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and use
Illustrative embodiments, but the invention is not limited in this.For the ordinary skill in this area
For personnel, without departing from the spirit and substance in the present invention, can make various modification and
Improving, these modification and improvement are also considered as protection scope of the present invention.
Claims (22)
1. the method that display floater is detected automatically, it is characterised in that described side
Method includes:
Control display floater display test image to be detected；
From the outside image gathered shown by described display floater of described display floater；
Gather the grey decision-making of each pixel of image shown by described display floater；
The grey decision-making of each pixel according to the image shown by the described display floater gathered is sentenced
Whether exist bad on disconnected described display floater.
Method the most according to claim 1, it is characterised in that from described display floater
The step gathering the image shown by described display floater outside includes:
Utilize camera that the display floater of display test image is shot, described to obtain
Image shown by display floater.
Method the most according to claim 1, it is characterised in that according to gathering
The grey decision-making of each pixel of the image shown by display floater judges
No there is bad step and include:
Calculate gather the image shown by described display floater each pixel grey decision-making with
The difference of the grey decision-making of each corresponding pixel of described test image；
When the image shown by the described display floater gathered exists bad pixel, then sentence
Fixed described display floater exists bad for this width test image at described bad pixel, its
In, described bad pixel be collection the image shown by described display floater in grey decision-making and institute
State the picture not within the predefined range of the difference between the grey decision-making of pixel accordingly on test image
Element.
Method the most according to claim 1, it is characterised in that described test image is
Pure color test image, according to each pixel of the image shown by the described display floater gathered
Grey decision-making judges that whether there is bad step on described display floater includes:
The grey decision-making of each pixel calculating the image shown by described display floater shows with described
Show image shown by panel remaining all pixel grey decision-making between difference, when gather
When image shown by described display floater exists bad pixel, then judge described display floater
Exist bad at described bad pixel for this width test image, wherein, described bad pixel
In image shown by the described display floater that gathers in grey decision-making and remaining all pixel extremely
Difference between the grey decision-making of the pixel of few 80% is beyond the pixel of preset range.
5. according to the method described in claim 3 or 4, it is characterised in that to be checked in control
In the step of the display floater display test image surveyed, control display floater to be detected and show many
Mutually different test image；
The grey decision-making of each pixel according to the image shown by the described display floater gathered is sentenced
Whether there is bad step on disconnected described display floater to include:
When display floater is for the position testing the bad pixel that image judges described at least two width
Time identical, then judge that described display floater occurs at described bad pixel bad.
6. according to the method described in claim 3 or 4, it is characterised in that described method is also
Including:
When judging that described display floater occurs bad at described bad pixel, according to generation
The grey decision-making of described bad pixel, the position of described bad pixel and the number of described bad pixel
Amount judges the bad type of described display floater.
Method the most according to claim 6, it is characterised in that according to described bad picture
The quantity of grey decision-making, the position of described bad pixel and the described bad pixel of element judges described
The bad type of display floater includes:
When described bad pixel include gather described display floater shown by image in one
Individual or several grey decision-making more than the respective pixel in corresponding test image grey decision-making and with accordingly
During the difference not pixel in described preset range of grey decision-making of the respective pixel in test image,
Then judge the bad as bright spot of described display floater；
When described bad pixel include gather described display floater shown by image in one-tenth
Row or rows of grey decision-making more than the respective pixel in corresponding test image grey decision-making,
And with the difference of the grey decision-making of the respective pixel in corresponding test image not in described preset range
Pixel time, then judge the bad as bright line of described display floater.
Method the most according to claim 6, it is characterised in that described method also includes:
Record and store the bad type of described display floater.
Method the most as claimed in any of claims 1 to 4, it is characterised in that
Described method also includes:
When described display floater exists bad, the defective region on described display floater is entered
Line flag.
10. the batch detector methods of multiple display floaters, it is characterised in that described batch
Quantity measuring method includes utilizing in claim 1 to 9 method described in any one to multiple institutes
State display floater to detect.
11. batch detector methods according to claim 10, it is characterised in that described
Batch detector methods also includes:
Described display floater is grouped by the bad type according to described display floater, same
Display floater included in group has identical bad type.
12. 1 kinds for automatically detecting the detecting system of display floater, it is characterised in that institute
State detecting system to include:
Point lamp module, described some lamp module is for controlling display floater display test to be detected
Image；
Image capture module, described image capture module is for from the outside of described display floater
Gather the image shown by described display floater, and shown by the described display floater that will collect
Image output；
GTG acquisition module, the input of described GTG acquisition module and described IMAQ mould
The output of block is connected, to receive the described display floater institute that described image capture module collects
The image of display, and described GTG acquisition module is used for gathering and export described display floater institute
The grey decision-making of each pixel of the image of display；
Bad judge module, the input of described bad judge module gathers mould with described GTG
The output of block is connected, and described bad judge module can export according to described GTG acquisition module
The grey decision-making of each pixel of the image shown by described display floater judge described display surface
Whether exist bad on plate, and generate judged result.
13. detecting systems according to claim 12, it is characterised in that described bad
Judge module is for calculating the grey decision-making of each pixel in the image shown by described display floater
With the difference of the grey decision-making of each pixel of described test image, to judge described display floater institute
Whether there is bad pixel in the image of display, wherein, described bad pixel is the described of collection
Grey decision-making and the ash of corresponding pixel on described test image in image shown by display floater
Difference between the value of rank pixel not within the predefined range, when the figure shown by described display floater
When there is described bad pixel in Xiang, described bad judge module sends the described display floater of judgement
At described bad pixel, bad judgement signal is there is for described test image.
14. detecting systems according to claim 12, it is characterised in that described test
Image is that pure color tests image, and described bad judge module is used for calculating described display floater and is shown
Remaining of the grey decision-making of each pixel of the image shown and the image shown by described display floater
Difference between the grey decision-making of all pixels, when the image shown by the described display floater gathered
In when there is bad pixel, described bad judge module sends the described display floater of judgement for this
There is bad judgement signal in width test image at described bad pixel, wherein, described bad
Pixel is grey decision-making and remaining all pixel in the image shown by described display floater gathered
In at least 80% pixel grey decision-making between difference beyond the pixel of preset range.
15. according to the detecting system described in claim 13 or 14, it is characterised in that institute
State a lamp module to control described display floater and show several mutually different images, institute successively
State bad judge module and can also determine that each width image shown by described display floater is for phase
The position of the bad pixel of image should be tested described in each width, when described display floater is at least two
When in width difference test image, the position of bad pixel is identical, described bad judge module sends institute
State display floater and bad judgement signal occurs at described bad pixel.
16. according to the detecting system described in claim 13 or 14, it is characterised in that institute
State detecting system and also include type judging module, described type judging module can according to described not
The quantity of the grey decision-making of good pixel, the position of described bad pixel and described bad pixel judges
The bad type of described display floater.
17. detecting systems according to claim 16, it is characterised in that described type
The figure shown by described display floater that judge module can gather at described image capture module
Exist in Xiang one or several grey decision-making more than the grey decision-making of test image and with test image
During the difference of the grey decision-making not bad pixel in described preset range, generate described display floater
The bad judgement signal being judged to bright spot；And/or
Described type judging module can be described aobvious collect when described image capture module
Show the image shown by panel exists in column or rows of grey decision-making more than test image
Grey decision-making and with the difference not bad picture in described preset range of grey decision-making of test image
During element, generate the bad judgement signal being judged to bright line of described display floater.
18. detecting systems according to claim 16, it is characterised in that described detection
System also includes recording memory module, and described record memory module is for occurring bad display
The physical address of panel and bad class record are in precalculated position.
19. according to the detecting system described in claim 13 or 14, it is characterised in that institute
Stating detecting system and also include mark module, described mark module is for existing at described display floater
Time bad, defective region is marked.
20. according to the detecting system described in claim 13 or 14, it is characterised in that institute
Stating detecting system and also include diversity module, described diversity module is for according to each display floater
Bad type carries out classification arrangement to described display floater.
21. according to the detecting system described in any one in claim 12 to 14, and it is special
Levying and be, described some lamp module includes automatically playing submodule, described automatic broadcasting submodule energy
Enough controlling described display floater, the most automatically to play several different described
Test image, described image capture module every described predetermined time interval to described display surface
The image that plate shows once gathers.
22. according to the detecting system described in any one in claim 12 to 14, and it is special
Levying and be, described detecting system also includes communication module, and described communication module can will include inspection
The data surveying result send to data sink.
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Application publication date: 20160810 |