CN106469532A - Display floater bright light inspection method - Google Patents
Display floater bright light inspection method Download PDFInfo
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- CN106469532A CN106469532A CN201610591432.3A CN201610591432A CN106469532A CN 106469532 A CN106469532 A CN 106469532A CN 201610591432 A CN201610591432 A CN 201610591432A CN 106469532 A CN106469532 A CN 106469532A
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- bright light
- 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
Abstract
The open display floater bright light inspection method of the present invention, the display floater bright light inspection method of the present invention includes：Position setting procedure, makes the display floater with multiple pixels be configured at the front of above-mentioned taking module in the way of in the face of taking module；Bright light step, makes a part of bright light in above-mentioned display floater form bright light pattern；Detecting step, shoots the first image of the above-mentioned display floater by above-mentioned bright light pattern bright light, detects above-mentioned bright light patterns coordinate in above-mentioned first image in above-mentioned taking module；Table forming step, so that the positional information in the above-mentioned bright light pattern of above-mentioned display floater bright light accordingly forms matching list with the coordinate position of the above-mentioned bright light pattern detecting in above-mentioned first image；Shoot step, make above-mentioned display floater bright light, shoot the second image comprising check pattern；And examination step, above-mentioned second image is applied to above-mentioned matching list, derives the position of bad pixel in above-mentioned display floater.
Description
Technical field
The present invention relates to a kind of display floater to manufacture carries out the display floater bright light inspection method of bright light inspection, more
More particularly to following display floater bright light inspection method, i.e. by display floater and the image shooting display floater
Between pixel difference formed matching list after, the bad pixel position of display floater can be derived using matching list.
Background technology
Household appliances are widely used in by the display floater of picture display information.The display floater coming in commonly use has
LCDs (LCD).
The display dress developed to replace cathode ray tube used in the display screen for TV (TV) or computer etc.
Put commonly referred to as LCDs, to facilitate implementation lightweight, high definition, power consumption low excellent because LCDs have
Point, is used widely in industrial circle.
Especially, with the demand sustainable growth to the mobile communication terminal such as mobile phone or palm PC (PDA) recently, it is loaded into
The market of the small-sized display panel of mobile communication terminal is also doubled and redoubled.
The bright light that display floater will accept the running statuses such as colourity, aberration, contrast are checked in manufacturing process
Check.Now, with mobile communication terminal load high technology content, high-quality color display panel, requisite will
Close examination is carried out to display floater, and checks that efficiency is imperative with producing in enormous quantities to improve.
Therefore, active all the more with display screen market, the test device of the display floater of variform and method of testing are
It is developed.
In the past although simply by making display floater bright light that display floater is shot, but it is difficult to accurately distinguish
Color simultaneously derives the position of bad pixel.
Especially, in the high high pixel display floater of pixel, not only it is difficult to accurately analyze bad pixel, but also exist and do not have
There is the problem being capable of deciding whether the method accurately deriving bad pixel position.
Content of the invention
Problem to be solved
It is an object of the invention to solving the problems, such as that the present invention carries in the past in the presence of display floater bright light inspection method
For following display floater bright light inspection method, i.e. the first image is shot to the bright light pattern in display floater bright light, by this shape
Become the matching list between the first image and actual display panel, thus deriving the position of the bad pixel in display floater.
The technical problem to be solved is not limited to technical problem mentioned above, the affiliated technology of the present invention
The those of ordinary skill in field can be expressly understood that NM other technologies problem from following record.
Solution to problem
The present invention for solving the above problems is related to display floater bright light inspection method, and above-mentioned display floater bright light checks
Method includes：Position setting procedure, makes the display floater with multiple pixels be configured in the way of in the face of taking module above-mentioned
The front of taking module；Bright light step, makes a part of bright light in above-mentioned display floater form bright light pattern；Detecting step,
Shoot the first image of the above-mentioned display floater by above-mentioned bright light pattern bright light in above-mentioned taking module, in above-mentioned first image
Detect above-mentioned bright light patterns coordinate；Table forming step, so that the position letter of the above-mentioned bright light pattern in above-mentioned display floater bright light
Breath accordingly forms matching list with the coordinate position of the above-mentioned bright light pattern detecting in above-mentioned first image；Shoot step
Suddenly, make above-mentioned display floater bright light, shoot the second image comprising check pattern；And examination step, by above-mentioned second image
It is applied to above-mentioned matching list, derive the position of bad pixel in above-mentioned display floater.
And, it is a feature of the present invention that above-mentioned bright light pattern is with least a portion in the pixel of above-mentioned display floater
By predetermined interval scattered mode bright light.
And, it is a feature of the present invention that in above-mentioned examination step, above-mentioned second image division is become multiple regions,
Above-mentioned matching list is applied to the region that there is above-mentioned bad pixel, derives the position of above-mentioned bad pixel.
And, it is it is a feature of the present invention that in above-mentioned examination step, above-mentioned be measured in above-mentioned first image
On the basis of the position of bright light pattern, derive the coordinate of the above-mentioned bad pixel being measured in above-mentioned second image, application is above-mentioned
Matching list derives the position of above-mentioned bad pixel in above-mentioned display floater.
And, it is a feature of the present invention that above-mentioned bright light pattern is by a part of linear in the pixel of above-mentioned display floater
The grid form bright light that separates and formed.
And, it is a feature of the present invention that above-mentioned display floater is continuously replaced with multiple in the front of above-mentioned taking module
Mode carry out bright light inspection, and independently carry out above-mentioned detecting step and above-mentioned table forming step.
And, it is a feature of the present invention that above-mentioned taking module is clapped in the way of size is relatively larger than above-mentioned display floater
Take the photograph above-mentioned first image and above-mentioned second image.
The effect of invention
The present invention for solving the above problems has following effect.
First, from the image of the position of the bright light pattern in display floater bright light and the display floater shooting in taking module
The middle coordinate deriving bright light pattern, forms for making the matching list matching between actual display panel and captured image,
Matching list is applied to the image of the display floater making check pattern bright light, thus the bad picture in display floater can accurately be judged
The physical location of element.
Second, the image division shooting in taking module is become multiple regions, only matching list is applied individually to bad
The region that pixel is located, thus can be more prone to grasp the physical location of bad pixel.
The effect of the present invention is not limited to effect mentioned above, the ordinary skill people of the technical field of the invention
Member can be expressly understood that other effects of the NM present invention by the claimed scope of invention.
Brief description
Fig. 1 is to illustrate that taking module shoots the figure of the state of display floater.
Fig. 2 is to illustrate to shoot the figure of the first image by making bright light pattern display floater bright light in FIG.
Fig. 3 is the figure of the second image shooting check pattern in the display floater illustrating in fig. 2.
Fig. 4 is the flow chart of the bright light inspection method of the display floater illustrating the present invention.
The explanation of reference
100：Taking module
10：Bright light pattern
20：Check pattern
I1：First image
I2：Second image
P：Display floater
Specific embodiment
Preferred reality to the display floater bright light inspection method of the present invention constituting in the manner referring to the drawings
Apply example to illustrate.But, this be not meant to particular implementation limit the present invention, but in order to by the present embodiment Lai
More clearly understand the present invention.
The display floater bright light inspection method of the present invention is following bright light inspection method, i.e. manufacture can shown
Show that panel (D) carries out measuring the bright light image of display floater and by this Accurate Determining bad pixel using photographic head when bright light checks
Position.
First, to illustrate that the preferred embodiments of the present invention are as follows referring to figs. 1 to Fig. 4.
Fig. 1 is to illustrate that taking module shoots the figure of the state of display floater, and Fig. 2 is to illustrate by making bright light pattern in Fig. 1
In the figure to shoot the first image for the display floater bright light.
And, Fig. 3 is the figure of the second image shooting check pattern in the display floater illustrating in fig. 2, Fig. 4 is
The flow chart illustrating the bright light inspection method of the display floater of the present invention.
First, the display floater bright light inspection method of the present invention generally comprises position setting procedure, bright light step, detection step
Suddenly, table forming step and examination step.
As shown in figure 1, above-mentioned position setting procedure is the A-stage carrying out the inspection of display floater P bright light, make to have many
The display floater P of individual pixel is configured at the front of above-mentioned taking module 100 in the way of in the face of taking module 100.
Wherein, as illustrated, repeatedly transferred multiple above-mentioned aobvious by the front of the above-mentioned taking module 100 fixing to position
Show that panel P to implement bright light inspection to display floater P.
Now, adjust above-mentioned showing in the way of so that above-mentioned display floater P is located in the shooting area of above-mentioned taking module 100
Show the position of panel P, now the position of above-mentioned display floater P can be set (step S1).
As described above, the position of above-mentioned display floater P is set in the front of above-mentioned taking module 100.
And, enter the front exercising above-mentioned display floater P in above-mentioned taking module 100 to light by default bright light pattern 10
Bright light step (step S2).
Specifically, in above-mentioned bright light step, in the state of above-mentioned bright light pattern 10 lights, by above-mentioned taking module
Above-mentioned display floater P is shot into image by 100.
Now, above-mentioned bright light pattern 10 refers to a part of element in above-mentioned display floater P by predetermined pattern form bright light,
Above-mentioned bright light pattern 10 can be configured to variform.
In the present embodiment, above-mentioned bright light pattern 10 by multiple points on above-mentioned display floater P press predetermined interval disperse and
Become, in contrast, also can form predetermined pattern or shape etc..
And, in contrast, above-mentioned bright light pattern 10 can also be so that a part of line in the pixel of above-mentioned display floater P
The grid form bright light that property separates.
And if, as described above, above-mentioned display floater P is bright in the way of having bright light pattern 10 in above-mentioned bright light step
Lamp, then can shoot into image by above-mentioned taking module 100.
On the other hand, after above-mentioned bright light step, above-mentioned bright light pattern 10 is shot by above-mentioned taking module 100 bright
The first image I1 (step S3) of the above-mentioned display floater P rising.
Now, the first image I1 of the above-mentioned display floater P shooting in above-mentioned taking module 100 is with above-mentioned display floater P
The actual pixels mode mutually different with the pixel of above-mentioned taking module 100 self record constitute.
Generally, above-mentioned taking module 100 is made up of camera etc., and the resolution according to camera itself determines as above bat
Take the photograph the pixel that module 100 is recorded.
And, detect above-mentioned bright in the above-mentioned first image I1 captured by above-mentioned taking module 100 as above
The coordinate of lamp pattern 10.
As described above, specifically, because the pixel of above-mentioned display floater P is different with the pixel of above-mentioned taking module 100, thus
The coordinate of the above-mentioned bright light pattern 10 of above-mentioned display floater P is detected in above-mentioned first image I1.
Wherein, the outside end of the common image captured by taking module 100 is faintly tested with respect to central part
Fixed, therefore, when above-mentioned taking module 100 shoots the first image I1 of above-mentioned display floater P, in the first image I1, reality can be comprised
The edge of border display floater P.
That is, above-mentioned taking module 100 shoots above-mentioned first image I1 in the way of size is relatively larger than above-mentioned display floater P
And the second image I2 described later.
As described above, in above-mentioned detecting step, bright light in above-mentioned bright light step is shot by above-mentioned taking module 100
Above-mentioned display floater P the first image I1, and detect the coordinate of above-mentioned bright light pattern 10 in above-mentioned first image I1.
Then, in table forming step, so that the positional information of the above-mentioned bright light pattern 10 in above-mentioned display floater P bright light
Accordingly form matching list with the coordinate position of the above-mentioned bright light pattern 10 detecting in above-mentioned first image I1 (not scheming
Show) (step S4).
Specifically, above-mentioned first image I1 is the image accordingly being stored with the pixel with above-mentioned video camera, makes above-mentioned
The position of bright light pattern 10 in display floater P is consistent with the coordinate of the bright light pattern 10 in above-mentioned first image I1.
Now, above-mentioned matching list refer to because the pixel of above-mentioned display floater P upper with photograph in above-mentioned taking module 100
The pixel stating the first image I1 different and make the physical location of the actual above-mentioned bright light pattern 10 in above-mentioned display floater P bright light with
The coordinate of the above-mentioned bright light pattern 10 in above-mentioned first image I1 table in correspondence with each other.
In more detail, the coordinate points connecting above-mentioned bright light pattern 10 in above-mentioned first image I1 are forming SPL
(Spline Curves), by with meet above-mentioned display floater P resolution by way of decompose the net of SPL
(Mesh) form above-mentioned matching list.
Wherein, above-mentioned matching list play can by by the location application of preferred coordinates to above-mentioned first image I1 derive with
A kind of effect of the correcting mechanism of the corresponding position of actual display panel P.
For example, if between the bright light position in the bright light pattern 10 of above-mentioned display floater P bright light being separated by a distance
10Point, then can so that the coordinate position of the bright light pattern 10 presenting in above-mentioned first image I1 with above-mentioned separate away from
From corresponding mode derived proportions.
And, above-mentioned matching list can be formed by proportional difference as above.
As described above, in above-mentioned table forming step, so that the above-mentioned bright light pattern 10 in above-mentioned display floater P bright light
Position accordingly forms matching list in proportion with the coordinate position of the bright light pattern 10 detecting in above-mentioned first image I1.
Then, make the check pattern 20 bright light (step S5) of non-bright light pattern 10 in above-mentioned display floater P, and by upper
State taking module 100 to shoot, thus collecting the second image I2 (step S6).
Specifically, different from the first image I1 of above-mentioned bright light pattern 10, above-mentioned second image I2 is above-mentioned for carrying out
Whether accurately the pattern that display floater P bright light checks, be for checking the input value of each panel P and output colourity image.
And, the above-mentioned second image I2 being shot by above-mentioned taking module 100 as described above will through examination step,
In above-mentioned examination step, entered with the position of actual display panel P by above-mentioned second image I2 is applied to above-mentioned matching list
Row compares.
In above-mentioned examination step, judge whether bad pixel (step by above-mentioned second image is carried out with confirmation
Rapid S7).
Specifically, if finding bad pixel in the above-mentioned check pattern 20 of above-mentioned display floater P bright light, derive above-mentioned
The position of above-mentioned bad pixel in second image I2 is simultaneously applied to above-mentioned matching list (step S8).
Therefore, by the location application of above-mentioned bad pixel that will be measured in above-mentioned second image I2 to above-mentioned coupling
Table, thus the physical location (step S9) of the bad pixel in above-mentioned display floater P can be derived.
Wherein, in above-mentioned examination step, the position of the above-mentioned bright light pattern 10 to be measured in above-mentioned first image I1
It is set to benchmark, derive the coordinate of the above-mentioned bad pixel being measured in above-mentioned second image I2, above-mentioned matching list is applied to
The coordinate of bad pixel, thus the position of the above-mentioned bad pixel in above-mentioned display floater P can be derived.
As described above, passing through the above-mentioned bad pixel in the above-mentioned second image I2 that will shoot in above-mentioned taking module 100
Coordinate be applied to above-mentioned matching list, thus the physical location of the above-mentioned bad pixel in above-mentioned display floater P bright light can be derived.
On the other hand, in above-mentioned examination step, when deriving the coordinate of above-mentioned bad pixel from above-mentioned second image I2,
Not on the basis of above-mentioned second image I2 entirety, but using dummy line L, above-mentioned second image I2 is divided into multiple regions, and
Matching list is applied to the region that above-mentioned bad pixel is located, thus the position of above-mentioned bad pixel can be derived simplerly.
As described above, the display floater bright light inspection method of the present invention can be by including above-mentioned position setting procedure, above-mentioned
Bright light step, above-mentioned detecting step, above-mentioned table forming step and above-mentioned examination step to clap by by above-mentioned taking module 100
The image taken the photograph easily derives the physical location of bad pixel.
And, multiple display floater P can be made continuously to hand in the front of above-mentioned taking module 100 by method as above
The mode replaced carries out bright light inspection (step S10).
Wherein, independently above-mentioned detecting step and above-mentioned table forming step are carried out to multiple above-mentioned display floater P.
That is, in the case that bright light inspection is carried out to multiple display floater P by alternate mode, because each is above-mentioned aobvious
Show that the pixel of panel P is possible to different, in each bright light inspection, therefore re-form new above-mentioned matching list.
Therefore, if there is bad pixel in above-mentioned display floater P, can more accurately locate.
More than, preferred embodiments of the present invention have been disclosed for illustrative, but in addition to the embodiments described above, without departing from this
In the case of bright purport or category, the present invention can be embodied as with other embodiment.Therefore, above-described embodiment only belongs to
Exemplary embodiment, is not intended to limit the present invention.Therefore, the present invention is not limited to described above, can also be appended
Invention claim in scope and its equivalency range the present invention modified.
Claims (7)
1. a kind of display floater bright light inspection method is it is characterised in that include：
Position setting procedure, makes the display floater with multiple pixels be configured at above-mentioned shooting mould in the way of in the face of taking module
The front of block；
Bright light step, makes a part of bright light in above-mentioned display floater form bright light pattern；
Detecting step, shoots the first image of the above-mentioned display floater by above-mentioned bright light pattern bright light in above-mentioned taking module,
Above-mentioned bright light patterns coordinate is detected in above-mentioned first image；
Table forming step, so that in the positional information of the above-mentioned bright light pattern of above-mentioned display floater bright light and in above-mentioned first image
In the coordinate position of above-mentioned bright light pattern that detects accordingly form matching list；
Shoot step, make above-mentioned display floater bright light, shoot the second image comprising check pattern；And
Check and accept step, above-mentioned second image is applied to above-mentioned matching list, derive the position of bad pixel in above-mentioned display floater.
2. display floater bright light inspection method according to claim 1 is it is characterised in that above-mentioned bright light pattern is with above-mentioned aobvious
Show at least a portion in the pixel of panel by predetermined interval scattered mode bright light.
3. display floater bright light inspection method according to claim 2 is it is characterised in that in above-mentioned examination step, incite somebody to action
Above-mentioned second image division becomes multiple regions, above-mentioned matching list is applied to the region that there is above-mentioned bad pixel, derives above-mentioned
The position of bad pixel.
4. display floater bright light inspection method according to claim 2 is it is characterised in that in above-mentioned examination step, with
On the basis of the position of the above-mentioned bright light pattern being measured in above-mentioned first image, derivation is measured in above-mentioned second image
The coordinate of above-mentioned bad pixel, applies above-mentioned matching list to derive the position of above-mentioned bad pixel in above-mentioned display floater.
5. display floater bright light inspection method according to claim 1 is it is characterised in that above-mentioned bright light pattern is by above-mentioned aobvious
Show that the part in the pixel of panel is formed with the grid form bright light linearly separating.
6. display floater bright light inspection method according to claim 1 is it is characterised in that above-mentioned display floater is in above-mentioned bat
Take the photograph the front of module and carry out bright light inspection in multiple continuously alternate modes, and independently carry out above-mentioned detecting step with
And above-mentioned table forming step.
7. display floater bright light inspection method according to claim 1 is it is characterised in that above-mentioned taking module is with size phase
Mode more than above-mentioned display floater is shot with above-mentioned first image and above-mentioned second image.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150115134A KR101668039B1 (en) | 2015-08-17 | 2015-08-17 | Method for Light Test of Display Panel |
| KR10-2015-0115134 | 2015-08-17 |
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| Publication Number | Publication Date |
|---|---|
| CN106469532A true CN106469532A (en) | 2017-03-01 |
Family
ID=57251186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610591432.3A Pending CN106469532A (en) | 2015-08-17 | 2016-07-25 | Display floater bright light inspection method |
Country Status (2)
| Country | Link |
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| KR (1) | KR101668039B1 (en) |
| CN (1) | CN106469532A (en) |
Cited By (2)
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| CN109001208A (en) * | 2018-05-28 | 2018-12-14 | 南京中电熊猫平板显示科技有限公司 | A kind of defect positioning device and defect positioning method of display panel |
| CN115497232A (en) * | 2022-09-23 | 2022-12-20 | 深圳市怡化时代科技有限公司 | Correction method and device of incidence relation, computer equipment and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102045940B1 (en) | 2019-05-21 | 2019-11-18 | (주)케이테크놀로지 | Inspection method for edge of flat panel display cell |
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| KR101668039B1 (en) | 2016-10-20 |
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