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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
display floater
bad
pixel
image
making
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610201123.0A
Other languages
Chinese (zh)
Inventor
宫心峰
郭宝磊
次刚
吴昊
安娜
刘楠
王寰宇
马晓
刘旭忠
罗宗玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201610201123.0A priority Critical patent/CN105845062A/en
Publication of CN105845062A publication Critical patent/CN105845062A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

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

The method and system of detection display floater and the batch detector methods of display floater
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.
CN201610201123.0A 2016-03-31 2016-03-31 Method and system of detecting display panels, and batch detection method of display panels Pending CN105845062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610201123.0A CN105845062A (en) 2016-03-31 2016-03-31 Method and system of detecting display panels, and batch detection method of display panels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610201123.0A CN105845062A (en) 2016-03-31 2016-03-31 Method and system of detecting display panels, and batch detection method of display panels

Publications (1)

Publication Number Publication Date
CN105845062A true CN105845062A (en) 2016-08-10

Family

ID=56597659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610201123.0A Pending CN105845062A (en) 2016-03-31 2016-03-31 Method and system of detecting display panels, and batch detection method of display panels

Country Status (1)

Country Link
CN (1) CN105845062A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409196A (en) * 2016-11-21 2017-02-15 西安诺瓦电子科技有限公司 LED display control card fault detection method
CN106782251A (en) * 2017-01-21 2017-05-31 合肥惠科金扬科技有限公司 A kind of display screen flaw evaluation method and its system
CN107036787A (en) * 2017-04-14 2017-08-11 京东方科技集团股份有限公司 Detection method and detecting system
CN107065247A (en) * 2017-06-07 2017-08-18 惠科股份有限公司 A kind of display panel testing method, apparatus and system
CN107144993A (en) * 2017-06-30 2017-09-08 惠科股份有限公司 A kind of display panel testing method and device
CN107272234A (en) * 2017-07-31 2017-10-20 上海斐讯数据通信技术有限公司 A kind of detection method and system based on lcd panel test picture
CN107515481A (en) * 2017-08-29 2017-12-26 惠科股份有限公司 The detection method and device of a kind of display panel
CN107680522A (en) * 2017-09-30 2018-02-09 京东方科技集团股份有限公司 A kind of display panel testing method and its device
CN108227250A (en) * 2017-12-25 2018-06-29 武汉华显光电技术有限公司 LCD quality detecting methods, device, CIM systems and computer storage media
CN108597434A (en) * 2018-04-28 2018-09-28 深圳市华星光电技术有限公司 Show the method for adjustment of picture
CN109307587A (en) * 2017-07-26 2019-02-05 京东方科技集团股份有限公司 Display panel testing method, apparatus and system
CN109374632A (en) * 2018-10-08 2019-02-22 惠科股份有限公司 A kind of detection method and system of display panel
CN109387527A (en) * 2017-08-09 2019-02-26 苏州精濑光电有限公司 On a kind of film in film defect detection method
CN109739029A (en) * 2018-11-27 2019-05-10 深圳市华星光电技术有限公司 Lighting test device and lighting test method
CN109767711A (en) * 2019-03-14 2019-05-17 京东方科技集团股份有限公司 Fault detection method, device, system and the storage medium of display panel
CN109791112A (en) * 2017-08-04 2019-05-21 深圳市柔宇科技有限公司 Mura detection method and Mura detection system
CN109870293A (en) * 2019-03-15 2019-06-11 合肥鑫晟光电科技有限公司 The detection method and detection device of display panel
CN110136619A (en) * 2019-06-28 2019-08-16 京东方科技集团股份有限公司 Failure detection method, device, the method for quality control of display panel
CN111785198A (en) * 2020-06-30 2020-10-16 联想(北京)有限公司 Display screen, state control method and device
WO2021169582A1 (en) * 2020-02-26 2021-09-02 京东方科技集团股份有限公司 Method and device for rechecking defective product
CN109870293B (en) * 2019-03-15 2022-06-07 合肥鑫晟光电科技有限公司 Detection method and detection device for display panel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040113926A1 (en) * 2002-12-16 2004-06-17 Industrial Technology Research Institute Method and apparatus for the detection of the effective number of gray levels of a display when showing motion images
CN201489795U (en) * 2009-08-03 2010-05-26 俞权锋 Display flaw automatic detecting device
CN102200519A (en) * 2010-03-26 2011-09-28 郭上鲲 Inspection system
CN203232220U (en) * 2013-04-24 2013-10-09 合肥京东方光电科技有限公司 Liquid crystal display panel detecting equipment
CN103809309A (en) * 2014-01-22 2014-05-21 北京京东方显示技术有限公司 Device and method for detecting substrate
CN204479458U (en) * 2015-01-22 2015-07-15 河南省日立信股份有限公司 Portable ammonia analyser
CN104933978A (en) * 2015-07-02 2015-09-23 京东方科技集团股份有限公司 Detection method and detection apparatus for display panel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040113926A1 (en) * 2002-12-16 2004-06-17 Industrial Technology Research Institute Method and apparatus for the detection of the effective number of gray levels of a display when showing motion images
CN201489795U (en) * 2009-08-03 2010-05-26 俞权锋 Display flaw automatic detecting device
CN102200519A (en) * 2010-03-26 2011-09-28 郭上鲲 Inspection system
CN203232220U (en) * 2013-04-24 2013-10-09 合肥京东方光电科技有限公司 Liquid crystal display panel detecting equipment
CN103809309A (en) * 2014-01-22 2014-05-21 北京京东方显示技术有限公司 Device and method for detecting substrate
CN204479458U (en) * 2015-01-22 2015-07-15 河南省日立信股份有限公司 Portable ammonia analyser
CN104933978A (en) * 2015-07-02 2015-09-23 京东方科技集团股份有限公司 Detection method and detection apparatus for display panel

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409196A (en) * 2016-11-21 2017-02-15 西安诺瓦电子科技有限公司 LED display control card fault detection method
CN106409196B (en) * 2016-11-21 2020-05-15 西安诺瓦星云科技股份有限公司 LED display control card fault detection method
CN106782251A (en) * 2017-01-21 2017-05-31 合肥惠科金扬科技有限公司 A kind of display screen flaw evaluation method and its system
CN107036787A (en) * 2017-04-14 2017-08-11 京东方科技集团股份有限公司 Detection method and detecting system
CN107065247A (en) * 2017-06-07 2017-08-18 惠科股份有限公司 A kind of display panel testing method, apparatus and system
WO2018223418A1 (en) * 2017-06-07 2018-12-13 惠科股份有限公司 Display panel testing method, device and system
CN107144993A (en) * 2017-06-30 2017-09-08 惠科股份有限公司 A kind of display panel testing method and device
CN107144993B (en) * 2017-06-30 2020-05-05 惠科股份有限公司 Display panel detection method and device
CN109307587B (en) * 2017-07-26 2020-01-31 京东方科技集团股份有限公司 Display panel detection method, device and system
US11335221B2 (en) 2017-07-26 2022-05-17 Boe Technology Group Co., Ltd. Method, device and system for detecting display panel
CN109307587A (en) * 2017-07-26 2019-02-05 京东方科技集团股份有限公司 Display panel testing method, apparatus and system
CN107272234A (en) * 2017-07-31 2017-10-20 上海斐讯数据通信技术有限公司 A kind of detection method and system based on lcd panel test picture
CN107272234B (en) * 2017-07-31 2020-12-18 台州市吉吉知识产权运营有限公司 Detection method and system based on liquid crystal display test picture
CN109791112A (en) * 2017-08-04 2019-05-21 深圳市柔宇科技有限公司 Mura detection method and Mura detection system
CN109387527A (en) * 2017-08-09 2019-02-26 苏州精濑光电有限公司 On a kind of film in film defect detection method
WO2019041634A1 (en) * 2017-08-29 2019-03-07 惠科股份有限公司 Detection method and device for display panel
CN107515481B (en) * 2017-08-29 2020-09-11 惠科股份有限公司 Display panel detection method and device
US11100627B2 (en) 2017-08-29 2021-08-24 HKC Corporation Limited Detecting method and device for display panel
CN107515481A (en) * 2017-08-29 2017-12-26 惠科股份有限公司 The detection method and device of a kind of display panel
CN107680522A (en) * 2017-09-30 2018-02-09 京东方科技集团股份有限公司 A kind of display panel testing method and its device
CN108227250B (en) * 2017-12-25 2021-03-16 武汉华显光电技术有限公司 LCD quality inspection method, device, CIM system and computer storage medium
CN108227250A (en) * 2017-12-25 2018-06-29 武汉华显光电技术有限公司 LCD quality detecting methods, device, CIM systems and computer storage media
CN108597434A (en) * 2018-04-28 2018-09-28 深圳市华星光电技术有限公司 Show the method for adjustment of picture
CN109374632A (en) * 2018-10-08 2019-02-22 惠科股份有限公司 A kind of detection method and system of display panel
CN109739029A (en) * 2018-11-27 2019-05-10 深圳市华星光电技术有限公司 Lighting test device and lighting test method
CN109767711B (en) * 2019-03-14 2022-05-24 京东方科技集团股份有限公司 Fault detection method, device and system of display panel and storage medium
CN109767711A (en) * 2019-03-14 2019-05-17 京东方科技集团股份有限公司 Fault detection method, device, system and the storage medium of display panel
CN109870293A (en) * 2019-03-15 2019-06-11 合肥鑫晟光电科技有限公司 The detection method and detection device of display panel
CN109870293B (en) * 2019-03-15 2022-06-07 合肥鑫晟光电科技有限公司 Detection method and detection device for display panel
CN110136619A (en) * 2019-06-28 2019-08-16 京东方科技集团股份有限公司 Failure detection method, device, the method for quality control of display panel
WO2021169582A1 (en) * 2020-02-26 2021-09-02 京东方科技集团股份有限公司 Method and device for rechecking defective product
CN111785198A (en) * 2020-06-30 2020-10-16 联想(北京)有限公司 Display screen, state control method and device

Similar Documents

Publication Publication Date Title
CN105845062A (en) Method and system of detecting display panels, and batch detection method of display panels
US20190164270A1 (en) System and method for combined automatic and manual inspection
US20080281548A1 (en) Method and System for Automatic Defect Detection of Articles in Visual Inspection Machines
CN100565630C (en) Display multiangle measurement system and method
CN102930850A (en) GAMMA curve adjustment method and GAMMA curve adjustment system
CN106097361A (en) A kind of defective area detection method and device
CN108507484B (en) Bundled round steel multi-vision visual identifying system and method for counting
CN106022619A (en) Automobile repair and maintenance process monitoring and displaying system and method based on internet of things
CN108683907A (en) Optics module picture element flaw detection method, device and equipment
CN106415808A (en) Automatic recipe stability monitoring and reporting
CN106231295A (en) A kind of display screen image quality automatic checkout system, detection method and application thereof
CN110880179A (en) Method for testing working state of visual sensor
CN108508637A (en) A kind of detection method of display panel, device and automated optical detection equipment
CN101867787A (en) Self-test method for LCD display with camera
CN109307675A (en) A kind of product appearance detection method and system
CN105606628A (en) Optical lens detecting system and method
CN101292263A (en) Method and system for automatic defect detection of articles in visual inspection machines
CN113866182A (en) Detection method and system for detecting defects of display module
CN108428247A (en) The detection method and system in bump direction
US20200082297A1 (en) Inspection apparatus and machine learning method
CN105931249A (en) Method and apparatus for testing Camera imaging
CN105467634A (en) Method and device for detecting color pattern missing of color film substrate
CN103686158B (en) Analog video signal output equipment detection method and system
CN101178422B (en) Character type illuminating device detecting method
CN207946065U (en) Bundled round steel multi-vision visual identifying system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160810

RJ01 Rejection of invention patent application after publication