CN107464513A - The film flicker automatic checkout system and detection method of a kind of display panel - Google Patents
The film flicker automatic checkout system and detection method of a kind of display panel Download PDFInfo
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- CN107464513A CN107464513A CN201710848680.6A CN201710848680A CN107464513A CN 107464513 A CN107464513 A CN 107464513A CN 201710848680 A CN201710848680 A CN 201710848680A CN 107464513 A CN107464513 A CN 107464513A
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- panel
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 230000007547 defect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006066 Comins reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
Abstract
The film flicker automatic checkout system and detection method of a kind of display panel provided by the invention, the system includes the first microscope carrier, the side of plane first direction is relative with the first lighting mechanism where first microscope carrier, and the first lighting mechanism is used to test the printed circuit board (PCB) of display panel；One end of plane second direction is relative with first panel detent mechanism where first microscope carrier；A corresponding pan feeding arm, the central point of pan feeding arm feeding end are provided with flicker value adjuster in the vertical direction of first microscope carrier, and the face plate center of display panel of the central point of pan feeding arm feeding end with being fixed on first microscope carrier is alignd；The flicker value adjuster is used for the public electrode voltages for adjusting the display panel, to eliminate the film flicker phenomenon of the display panel, the adjustment test of line flicker picture directly can be entered from the face plate center of display panel at the very start by said detecting system, and then shorten adjustment time.
Description
Technical field
The present invention relates to the film flicker automatic checkout system of field of liquid crystal panel display, more particularly to a kind of display panel
And detection method.
Background technology
The V of liquid crystal display panelcomVoltage (public electrode voltages) be LCD alternating-current driving reference voltage, VcomIn circuit
It must be adjustable in design, because in module engineering, generally require and be finely adjusted according to the flicker state of display.In mould
If V in group engineeringcomThe value of voltage is outside given voltage, and Flicker phenomenons just occur in display panel, and (film flicker is existing
As), image retention problem even is there is also after high temperature ageing, now must just change the PCB substrate (Printed of display panel
Circuit Board, printed circuit board (PCB)).
Conventional all passes through to display panel PCB (Printed Circuit Board, printed circuit board (PCB)) detection device
Manually pull out connection wire progress panel and light test, and display panel film flicker processing links are by hand to lean on sensor
V is measured and adjusts in the enterprising every trade of panelcomVoltage, human cost are higher.
And all can be at present by flicker value adjuster pair automatically to the equipment of the film flicker automatic detection of display panel
The upper side edge (being generally arranged at the upper right corner) of the microscope carrier (microscope carrier of fixed display panel) of detection device should be arranged on, but is flashed
The measurement of value adjuster is needed to measure the face plate center point of display panel, while the checking measured is also based in panel
The heart, therefore the equipment is in actually detected operation, if to stretch out flicker value adjuster detection panel from microscope carrier upper side edge, it is necessary to
Face plate center is measured, thus must increase the extension means length of carrying flicker value adjuster, because extension means are grown
Degree increase, the part of extension means elongation may cause to interfere to corresponding lighting mechanism on microscope carrier or panel detent mechanism,
Such that the film flicker automatic detection time is elongated.If in addition, when testing the display panel of different model, also to examine
Consider because the size of different model display panel is different, what staff needed to adjust spread length repeatedly could be one by one to difference
Model display panel is tested so that operating efficiency becomes very low, and human cost remains unchanged higher.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to provide the film flicker automatic checkout system and detection method of a kind of display panel,
Aim to solve the problem that the film flicker detection not enough automation of the display panel in module engineering at present, ineffective problem.
To achieve the above object, the present invention provides a kind of film flicker automatic checkout system of display panel, the system
Including：
First microscope carrier, the side of plane first direction is relative with the first lighting mechanism where first microscope carrier, and described the
One lighting mechanism is used to test the printed circuit board (PCB) of display panel；
One end of plane second direction is relative with first panel detent mechanism where first microscope carrier, the first panel
Detent mechanism is used to the display panel be fixed；
, the pan feeding arm feeding end relative with a pan feeding arm above the vertical direction of plane where first microscope carrier
Central point be provided with flicker value adjuster, the face of the flicker value adjuster and the display panel being fixed on first microscope carrier
Plate center alignment.
In one embodiment, the system also includes the second microscope carrier, second microscope carrier and first microscope carrier described in
Plane first direction is arranged side by side, and the display panel is also transmitted to second microscope carrier by first microscope carrier；Described second carries
Platform is relative with the second lighting mechanism in the side of the plane first direction；Second microscope carrier is in the plane second direction
One end is relative with second panel detent mechanism.
In one embodiment, first microscope carrier has rotation pneumatic cylinder, and first microscope carrier passes through the rotation air pressure
Display panel after eliminating film flicker phenomenon is rotated to second microscope carrier by cylinder.
In one embodiment, lighting mechanism corresponding with second microscope carrier is provided with optical camera, and the optical camera is used
The image in obtain the display panel the defects of.
In addition, the present invention also proposes a kind of detection method of the film flicker automatic checkout system based on display panel, institute
Stating the film flicker automatic checkout system based on display panel includes any detecting system described above, the detection method bag
Include following steps：
First lighting mechanism is when display panel is placed on the first microscope carrier by pan feeding arm, the printing to the display panel
Circuit board is tested, and test signal is sent into flicker value adjuster, wherein, first lighting mechanism and described first
Microscope carrier is corresponding, and the flicker value adjuster is built in the central point of the pan feeding arm feeding end；
After the flicker value adjuster receives the test signal, the display panel is adjusted according to the test signal
The public electrode voltages of face plate center.
Alternatively, before first lighting mechanism is tested the printed circuit board (PCB) of the display panel, the side
Method also includes：
First panel detent mechanism enters when display panel is placed on the first microscope carrier by pan feeding arm to the display panel
Row is fixed, and the first panel detent mechanism is corresponding with first microscope carrier.
Alternatively, the flicker value adjuster adjusts the public affairs of the face plate center of the display panel according to the test signal
Common-battery pole tension, is specifically included：
The flicker value adjuster obtains the initial scintillation value of the display panel according to the test signal；
When the initial scintillation value meets preparatory condition, the public electrode voltages of the face plate center are adjusted.
Alternatively, the public electrode voltages of the face plate center that the display panel is adjusted according to the test signal it
Afterwards, methods described also includes：
The display panel is rotated to second microscope carrier by first microscope carrier；
The second lighting mechanism corresponding with second microscope carrier is tested the printed circuit board (PCB) of the display panel, and
Picture signal is sent out to the photographic camera；
The photographic camera receives the picture signal, and obtains lacking for the display panel according to the picture signal
Fall into image.
The film flicker automatic checkout system and detection method of a kind of display panel provided by the invention, the first microscope carrier hang down
A corresponding pan feeding arm, the central point of the pan feeding arm feeding end are provided with flicker value adjuster, the flicker value to Nogata upwards
The face plate center of display panel of the adjuster with being fixed on first microscope carrier is alignd, and places display panel in pan feeding arm
In the first microscope carrier, first panel detent mechanism fixes the display panel corresponding to first panel detent mechanism, now flashes
The public electrode voltages of face plate center of the display panel can be adjusted according to test signal by being worth adjuster, to eliminate the display
The film flicker phenomenon of panel.Directly it can be dodged at the very start from the face plate center of display panel by said detecting system
Bright picture adjustment test, and then adjustment time is shortened, while also it is avoided that the first microscope carrier goes out in the movement display panel
Other existing mechanisms hinder or the phenomenon of interference flicker value adjuster.
Brief description of the drawings
Fig. 1 is the structural representation for the PCB automatic checkout equipments for being example；
Fig. 2 is a kind of structural representation of an embodiment of the film flicker automatic checkout system of display panel of the present invention；
Fig. 3 is a kind of structural representation of the another embodiment of the film flicker automatic checkout system of display panel of the present invention
Figure；
Fig. 4 is a kind of the first implementation of detection method of the film flicker automatic checkout system based on display panel of the present invention
The schematic flow sheet of example.
Fig. 5 is a kind of the second implementation of detection method of the film flicker automatic checkout system based on display panel of the present invention
The schematic flow sheet of example.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Conventional PCB automatic checkout equipments, referring to Fig. 1, are generally all in the flicker picture of adjustment test display panel
Flicker value adjuster 200 is correspondingly arranged in angle (Fig. 1 is the upper right corner) on the side of microscope carrier 100, but the amount of flicker value adjuster 200
Survey needs to measure the face plate center point of display panel 900, while the checking measured is also based on face plate center, therefore often
The PCB automatic checkout equipments of rule detect in actually detected operation if to stretch out flicker value adjuster 200 from microscope carrier upper side edge
If panel, it is necessary to which face plate center point is arrived in measurement, thus must increase the extension means length of carrying flicker value adjuster 200
Add, due to the increase of extension means length, such detection device needs to spend the extra time to find face plate center point, if in addition,
When testing the display panel of different model, it is also contemplated that because the size of different model display panel is different, staff needs
Could testing one by one different model display panel for spread length is adjusted repeatedly.In addition, when the current display surface of loading
Present display panel is rotated to another microscope carrier by the microscope carrier of plate when carrying out other test jobs, in rotary course, extension means
The part of elongation may cause to interfere to corresponding lighting mechanism 400 or panel detent mechanism 500 on microscope carrier, such that
The film flicker automatic detection time is elongated.So that operating efficiency becomes very low, human cost remains unchanged higher.
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present invention
The scope of shield.As manufacturing technology and/or the result of tolerance, it is contemplated that illustrate the change of shape.Therefore, implementation of the invention
Example should not be construed as limited by the given shape in region shown here, but including the deviation in shape caused by such as manufacture.Cause
This, region as depicted is substantially schematical, and their shape is not intended to the accurate shape for showing region, and
It is not intended to the scope of limitation embodiment.
In the description of the invention, it is to be understood that term " vertical ", " transverse direction ", " on ", " under ", "left", "right",
" level ", " both sides ", " bottom ", " in " " interior ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position
Relation, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.In description of the invention, unless otherwise indicated, " a plurality of ", " multiple "
It is meant that more than two (two) or two (two).
In addition, term " comprising " and its any deformation, it is intended that cover non-exclusive include.
The present invention proposes a kind of film flicker automatic checkout system of display panel.
Fig. 2 is an a kind of example structure schematic diagram of the film flicker automatic checkout system of display panel of the present invention, institute
The system of stating includes：
First microscope carrier 01, the side of the place plane first direction of the first microscope carrier 01 is relative with the first lighting mechanism 04,
First lighting mechanism 04 is used to test the printed circuit board (PCB) of the display panel 09；
One end of the place plane second direction of first microscope carrier 01 is relative with first panel detent mechanism 05, and described first
Panel detent mechanism 05 is used to the display panel 09 be fixed；
It is relative with a pan feeding arm 03 above vertical direction where first microscope carrier 01, the pan feeding of pan feeding arm 03
The central point at end is provided with flicker value adjuster 02, the flicker value adjuster 02 and the display being fixed on first microscope carrier 01
The face plate center point alignment of panel 09；The flicker value adjuster 02 is used for the public electrode electricity for adjusting the display panel 09
Pressure, to eliminate the film flicker phenomenon of the display panel 09.
Specifically, in the present embodiment, pan feeding arm 03 can take out to be detected from the belt line in plane second direction
Display panel, then pan feeding arm 03 display panel is placed on the first microscope carrier 01, now first panel detent mechanism 05
The display panel can be fixed；After display panel is fixed, the first microscope carrier 01 the first lighting machine in a first direction
Structure 04 can be tested the printed circuit board (PCB) of display panel, and sends test signal to flicker value adjuster 02, wherein, flicker
Value adjuster 02 is arranged on the central point of the feeding end of pan feeding arm 03, and the central point of the feeding end of pan feeding arm 03 is with being fixed on
The face plate center alignment of display panel on first microscope carrier 01；Finally, flicker value adjuster 02 can be according to the first lighting machine
The test signal that structure 04 transmits obtains the current flicker state (i.e. initial scintillation value) of the display panel, in the initial scintillation
When value meets preparatory condition, flicker value adjuster 02 adjusts the V of the face plate centercomPublic electrode voltages, until finding out optimal
VcomPublic electrode voltage value, to eliminate the film flicker phenomenon of the display panel 09.
The central point of pan feeding arm feeding end is provided with flicker value adjuster, and flicker value adjuster carries with being fixed on described first
The face plate center alignment of display panel on platform, when display panel is placed on the first microscope carrier by pan feeding arm, first panel is fixed
First panel detent mechanism corresponding to the mechanism of position fixes the display panel, and now flicker value adjuster can be adjusted according to test signal
The public electrode voltages of the face plate center of the display panel are saved, to eliminate the film flicker phenomenon of the display panel, so
System directly can enter the adjustment test of line flicker picture from the face plate center of display panel at the very start, and then when shortening adjustment
Between, while also it is avoided that the first microscope carrier occurs (such as the first lighting shown in Fig. 2 of other mechanisms in the mobile display panel
Mechanism or second panel detent mechanism) hinder interference flicker value adjuster phenomenon.
Further, with reference to figure 3, the system also includes the second microscope carrier 06, and second microscope carrier 06 and described first carry
Platform 01 is arranged side by side along the plane first direction, and first microscope carrier 01 will also eliminate the display surface after film flicker phenomenon
Plate 09 is transmitted to second microscope carrier 06；Second microscope carrier 06 is in the side of the plane first direction and the second lighting mechanism 07
Relatively；Second microscope carrier 06 is relative with second panel detent mechanism 08 in one end of the plane second direction.
Specifically, in the present embodiment, so that the microscope carrier 06 of the first microscope carrier 01 and second is respectively provided with rotation pneumatic cylinder as an example, institute
State the second microscope carrier 06 and be provided with optical CCD (charge coupled device) camera, the display panel on the first microscope carrier 01 is complete
Into after flicker picture adjustment test, system is notified that the display panel is rotated to second microscope carrier by the first microscope carrier 01
06；When the display panel is located at the second microscope carrier 06, the display panel can be fixed for second panel detent mechanism 08, so
The printed circuit board (PCB) of the display panel can be tested, and sent out with 06 corresponding second lighting mechanism 07 of the second microscope carrier afterwards
Picture signal is to the optical CCD camera；The optical CCD camera receives the picture signal, and according to the picture signal
Capture of taking pictures is carried out to the display panel, to obtain the different grades of defect image of the display panel, for analysis personnel to institute
State display panel and carry out bad phenomenon inspection, the bad phenomenon is bad etc. including line defect, point defect, the not uniform GTG of display
Defect rank inspection.
Different detection work is done on first microscope carrier and the second microscope carrier both sides respectively, and the first microscope carrier here makees the flicker picture of panel
The defects of face adjustment is tested, and the second microscope carrier here does display panel checks, when can so improve the work of whole testing process
Between, improve operating efficiency.
The present embodiment, flicker value adjuster is arranged on the central point of pan feeding arm feeding end, and such system one can be opened
Begin just directly to enter the adjustment test of line flicker picture from the face plate center of display panel, and then shorten adjustment time, while can also
Avoid the first microscope carrier from other mechanisms occur when rotating the display panel to the second microscope carrier and hinder showing for interference flicker value adjuster
As even if operating personnel when testing the display panel of different model, need not also adjust the parameter of inspection system, the inspection back and forth
Check that equipment more automates relative to tradition, save manpower, shorten working hours, the relatively reliable effect of measurement result.
The structure of film flicker automatic checkout system based on above-mentioned display panel, propose that the present invention is a kind of and be based on display surface
The first embodiment of the detection method of the film flicker automatic checkout system of plate.
With reference to figure 4, Fig. 4 is a kind of detection method of the film flicker automatic checkout system based on display panel of the present invention
The schematic flow sheet of first embodiment.
In the present embodiment, the detection method comprises the following steps：
S10：First lighting mechanism is when display panel is placed on the first microscope carrier by pan feeding arm, to the display panel
Printed circuit board (PCB) is tested, and by test signal be sent to flicker value adjuster, wherein, first lighting mechanism with it is described
First microscope carrier is corresponding, and the flicker value adjuster is built in the central point of the pan feeding arm feeding end；
S20：After the flicker value adjuster receives the test signal, the display surface is adjusted according to the test signal
The public electrode voltages of the face plate center of plate, to eliminate the film flicker phenomenon of the display panel.
Specifically, with reference to Fig. 2, in the present embodiment, pan feeding arm 03 can take out from the belt line in second direction and treat
The display panel of detection, then pan feeding arm 03 display panel is placed on the first microscope carrier 01, now first panel localization machine
The display panel can be fixed for structure 05；After display panel is fixed, the first microscope carrier 01 in a first direction first point
Lamp mechanism 04 can be tested the printed circuit board (PCB) of display panel, and sends test signal to flicker value adjuster 02, wherein,
Flicker value adjuster 02 is arranged on the central point of the feeding end of pan feeding arm 03, and the central point of the feeding end of pan feeding arm 03 is with consolidating
The face plate center alignment for the display panel being scheduled on first microscope carrier 01；Finally, flicker value adjuster 02 can be according to first point
The test signal that lamp mechanism 04 is transmitted obtains the current flicker state (i.e. initial scintillation value) of the display panel, described initial
When flicker value meets preparatory condition, flicker value adjuster 02 adjusts the V of the face plate centercomPublic electrode voltages, until finding out
Optimal VcomPublic electrode voltage value, to eliminate the film flicker phenomenon of the display panel 09.
In the present embodiment, the face of the central point of pan feeding arm feeding end and the display panel being fixed on first microscope carrier
Plate center alignment, flicker value adjuster is arranged on the central point of pan feeding arm feeding end, and such system can be straight at the very start
Connect from the face plate center of display panel and enter the adjustment test of line flicker picture, and then shorten adjustment time, while be also avoided that the
There are other mechanisms (the first lighting mechanism or second panel detent mechanism in such as Fig. 2) in the mobile display panel in one microscope carrier
Hinder the phenomenon of interference flicker value adjuster.
With reference to figure 5, Fig. 5 is a kind of detection method of the film flicker automatic checkout system based on display panel of the present invention
The schematic flow sheet of second embodiment.First embodiment based on the above method, Fig. 5 is exemplified by based on the embodiment shown in Fig. 4.
In the present embodiment, the public electrode electricity of the face plate center that the display panel is adjusted according to the test signal
After pressure, methods described also includes：
S30：The display panel is rotated to second microscope carrier by first microscope carrier；
S40：The second lighting mechanism corresponding with second microscope carrier is surveyed to the printed circuit board (PCB) of the display panel
Examination, and picture signal is sent out to the photographic camera；
S50：The photographic camera receives the picture signal, and obtains the display panel according to the picture signal
The defects of image.
Specifically, with reference to Fig. 4, in the present embodiment, the microscope carrier 06 of the first microscope carrier 01 and second is respectively provided with rotation pneumatic cylinder,
For display panel on first microscope carrier 01 after flicker picture adjustment test is completed, system is notified that the first microscope carrier 01 will be described aobvious
Show that panel rotates to second microscope carrier 06；When the display panel is located at the second microscope carrier 06, the meeting of second panel detent mechanism 08
The display panel is fixed, then can be to the display panel with 06 corresponding second lighting mechanism 07 of the second microscope carrier
Printed circuit board (PCB) is tested, and sends out picture signal to the optical CCD camera；The optical CCD camera receives the picture
Face signal, and capture of taking pictures is carried out to the display panel according to the picture signal, to obtain the display panel different brackets
The defects of image, for analysis personnel to the display panel carry out bad phenomenon inspection, the bad phenomenon include line defect, point
The grade inspection of the defects of defect, bad not uniform GTG of display.
Different detection work is done on first microscope carrier and the second microscope carrier both sides respectively, and the first microscope carrier here makees the flicker picture of panel
The defects of face adjustment is tested, and the second microscope carrier here does display panel checks, when can so improve the work of whole testing process
Between, improve operating efficiency.
The present embodiment, flicker value adjuster is arranged on the central point of pan feeding arm feeding end, and such system one can be opened
Begin just directly to enter the adjustment test of line flicker picture from the face plate center of display panel, and then shorten adjustment time, while can also
Avoid the first microscope carrier from other mechanisms occur when rotating the display panel to the second microscope carrier and hinder showing for interference flicker value adjuster
As even if operating personnel when testing the display panel of different model, need not also adjust the parameter of inspection system, the inspection back and forth
Check that equipment more automates relative to tradition, save manpower, shorten working hours, the relatively reliable effect of measurement result.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. the film flicker automatic checkout system of a kind of display panel, it is characterised in that the system includes：
First microscope carrier, the side of plane first direction is relative with the first lighting mechanism where first microscope carrier, described first point
Lamp mechanism is used to test the printed circuit board (PCB) of display panel；
One end of plane second direction is relative with first panel detent mechanism where first microscope carrier, the first panel positioning
Mechanism is used to the display panel be fixed；
It is relative with a pan feeding arm above the vertical direction of plane where first microscope carrier, in the pan feeding arm feeding end
Heart point is provided with flicker value adjuster, in the panel of the flicker value adjuster and the display panel being fixed on first microscope carrier
The heart aligns.
2. the system as claimed in claim 1, it is characterised in that the system also includes the second microscope carrier, second microscope carrier and
First microscope carrier is arranged side by side along the plane first direction, and the display panel is also transmitted to described by first microscope carrier
Two microscope carriers；Second microscope carrier is relative with the second lighting mechanism in the side of the plane first direction；Second microscope carrier exists
One end of the plane second direction is relative with second panel detent mechanism.
3. system as claimed in claim 2, it is characterised in that first microscope carrier has rotation pneumatic cylinder, and described first carries
Display panel after eliminating film flicker phenomenon is rotated to second microscope carrier by platform by the rotation pneumatic cylinder.
4. system as claimed in claim 3, it is characterised in that lighting mechanism corresponding with second microscope carrier is provided with optics phase
Machine, the optical camera is for the defects of obtaining display panel image.
5. a kind of detection method of the film flicker automatic checkout system based on display panel, the picture based on display panel
Flashing automatic checkout system includes the detecting system described in any one of Claims 1-4, and the detection method includes following step
Suddenly：
First lighting mechanism is when display panel is placed on the first microscope carrier by pan feeding arm, to the printed circuit of the display panel
Plate is tested, and test signal is sent into flicker value adjuster, wherein, first lighting mechanism and first microscope carrier
Corresponding, the flicker value adjuster is built in the central point of the pan feeding arm feeding end；
After the flicker value adjuster receives the test signal, the panel of the display panel is adjusted according to the test signal
The public electrode voltages at center.
6. method as claimed in claim 5, it is characterised in that printing electricity of first lighting mechanism to the display panel
Before road plate is tested, methods described also includes：
First panel detent mechanism is consolidated when display panel is placed on the first microscope carrier by pan feeding arm to the display panel
Fixed, the first panel detent mechanism is corresponding with first microscope carrier.
7. method as claimed in claim 5, it is characterised in that the flicker value adjuster is according to the test signal regulation institute
The public electrode voltages of the face plate center of display panel are stated, are specifically included：
The flicker value adjuster obtains the initial scintillation value of the display panel according to the test signal；
When the initial scintillation value meets preparatory condition, the public electrode voltages of the face plate center are adjusted.
8. the method as described in claim 5 or 6, it is characterised in that described that the display surface is adjusted according to the test signal
After the public electrode voltages of the face plate center of plate, methods described also includes：
The display panel is rotated to second microscope carrier by first microscope carrier；
The second lighting mechanism corresponding with second microscope carrier is tested the printed circuit board (PCB) of the display panel, and is sent out
Picture signal is to the photographic camera；
The photographic camera receives the picture signal, and is schemed according to the defects of picture signal acquisition display panel
Picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848680.6A CN107464513B (en) | 2017-09-18 | 2017-09-18 | Automatic picture flicker detection system and method for display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848680.6A CN107464513B (en) | 2017-09-18 | 2017-09-18 | Automatic picture flicker detection system and method for display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107464513A true CN107464513A (en) | 2017-12-12 |
| CN107464513B CN107464513B (en) | 2023-11-21 |
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| CN107464513B (en) | 2023-11-21 |
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