CN108648673A - A kind of OTP+Demura for OLED display screen compensates equipment - Google Patents
A kind of OTP+Demura for OLED display screen compensates equipment Download PDFInfo
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- CN108648673A CN108648673A CN201810735072.9A CN201810735072A CN108648673A CN 108648673 A CN108648673 A CN 108648673A CN 201810735072 A CN201810735072 A CN 201810735072A CN 108648673 A CN108648673 A CN 108648673A
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- oled
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- demura
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- 238000012360 testing method Methods 0.000 claims abstract description 74
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 239000000969 carrier Substances 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The invention discloses a kind of OTP+Demura for OLED display screen to compensate equipment, including test platform, test platform passes through power rotary device connection fixture mounting plate, jig mounting plate can turn round under power rotary device effect around own axes, multiple OLED lighting test jigs are symmetrically provided on jig mounting plate, it is provided with by jig mounting plate and changes part station, OTP test stations and Mura compensation stations, it is provided with OTP test devices in OTP test stations, Mura compensation devices are provided on Mura compensation stations.It is the configuration of the present invention is simple, easy to use, it is integrated in a test platform by OTP test devices, Mura compensation devices and coordinates rotatable jig mounting plate to realize the one-stop synchronous detection compensation of oled panel OTP, Demura, to greatly improve the detection compensation efficiency of oled panel.
Description
Technical field
The present invention relates to a kind of OLED display screens to compensate equipment, belongs to OLED display panel detection technique field, especially relates to
And a kind of OTP+Demura for OLED display screen compensates equipment.
Background technology
In recent years, with the rapid proliferation of domestic TV, consumer requires the picture of TV display screen also more next
It is higher, therefore the quality of TV display screen is also higher and higher.TV display screen panel is due to production technology complexity, management and control
Difficulty is big, and Mura phenomenons (brightness irregularities) are be easy to cause during production, bright spot or dim spot, i.e. some of panel occur
Region reduces the credit rating of panel due to the block-like trace phenomenon in area caused by the difference of display brightness.It is above-mentioned in order to eliminate
Mura phenomenons, OTP (One Time Program, the one-time programming) detection techniques and Demura of OLED display screen (eliminate panel
Brightness disproportionation) technology comes into being.
OTP detection techniques and Demura technologies in the prior art are generally operated by personnel are very little manually, therefore test result
There may be deviations；Meanwhile being to need two sets of independent test stations that could complete to the OTP of oled panel detections and Demura
Functional test, therefore testing efficiency and low.
Further, in the prior art, using Demura technologies eliminate display Mura when, be generally in darkroom into
Row and it is universal be all to adjust manually, therefore that there are degree of freedom is less, limitation is big, be easy to cause the defects of detection error.Such as in
A kind of the Mura compensation systems and method of display screen are disclosed in state invention patent specification CN107086021A.The display screen
Mura compensation systems may include darkroom, camera level/XY direction position transposition bearing, camera vertical direction adjustment axis, CCD phases
Machine, fixed base station, vibration isolators and data terminal.Wherein camera level/XY direction position transposition bearings can be used for adjusting CCD phases
The horizontal displacement of machine, such as to the left or move right, to adjust display screen that CCD camera acquisition is positioned on fixed base station
The image data of target area.Camera vertical direction adjustment axis can be used for adjust CCD camera vertical displacement, such as downwards or
Person moves up, to adjust the vertical range between CCD camera and the display screen being positioned on fixed base station.Camera level/XY
Direction position transposition bearing, camera vertical direction adjustment axis, CCD camera, fixed base station and vibration isolators can be set to darkroom
In, and data terminal can be set to except darkroom.There are following technical problems for above-mentioned technical proposal：First, the invention
There is no the technical solutions for disclosing a complete automatic detection mechanism can only according to the description of above-mentioned documents
Knowing CCD camera, there are three degree of freedom, and CCD camera is not open by what driving；Secondly, it is adjusted according to adjustment mechanism
The position height of CCD camera realizes that focusing will necessarily cause focusing inaccurate because of amplitude modulation is much, while may also cause camera
Damage；Finally, the CCD camera of Three Degree Of Freedom cannot be satisfied the required measuring accuracy of Mura compensation systems.
Invention content
It is shown for OLED in view of the above-mentioned drawbacks of the prior art, the technical problem to be solved in the present invention is to provide one kind
The OTP+Demura of display screen compensates equipment, by an OTP+Demura compensate equipment can realize to OLED display screen into
Row OTP+Demura compensation, improves production efficiency.
In order to solve the above technical problems, present invention employs such a OTP+Demura compensation for OLED display screen
Equipment comprising test platform, the test platform pass through power rotary device connection fixture mounting plate, the jig mounting plate
It can turn round, be symmetrically provided on the jig mounting plate multiple around own axes under power rotary device effect
OLED lighting test jigs are provided with by the jig mounting plate and change part station, OTP test stations and Mura compensation stations, institute
It states and is provided with OTP test devices in OTP test stations, Mura compensation devices are provided on the Mura compensation station.
In a kind of preferred embodiment of the present invention, symmetrically there are four described for setting on the jig mounting plate
OLED lighting test jigs, by the jig mounting plate rotational symmetry setting there are two change part station, an OTP test station and
One Mura compensates station, and there are one OTP test devices, the Mura is compensated to be set on station for setting in the OTP test stations
Mura compensation devices there are one setting.
In a kind of preferred embodiment of the present invention, OTP test stations cloth adjacent with Mura compensation stations
It sets or positioned opposite.
In a kind of preferred embodiment of the present invention, the Mura compensation devices include rack and CCD camera, the machine
The transplanting module for driving the CCD camera to be moved along vertical Z axis, the movable end connection of the transplanting module are provided on frame
There are link, the CCD camera to be connected to below the link；It is provided between the link and the CCD camera same
Axis arrangement for driving first straight line slide unit that the CCD camera moves along horizontal X axis, for driving the CCD camera edge
The second straight line slide unit of vertical Z axis movement, the swing slide unit for driving the CCD camera to be rotated around horizontal X axis and Z axis and use
In the gear focus adjusting mechanism for adjusting the CCD camera focal length；The gear focus adjusting mechanism includes pedestal, driving source, driving gear
And driven gear；The pedestal is connect with the swing slide unit, and the CCD camera and the driving are connected on the pedestal
Source, the output end of the driving source and the driving gear are affixed, and the driven tooth is connected at the focusing of the CCD camera
Wheel, the driving gear and driven gear engaged transmission.
In a kind of preferred embodiment of the present invention, also set up between the CCD camera and the gear focus adjusting mechanism
There is focusing position-limit mechanism.
In a kind of preferred embodiment of the present invention, the focusing position-limit mechanism includes the photoelectricity for being fixed in pedestal lower end
Sensor and the inductance loop coaxially arranged with driving gear, the inductance loop include for the cooperation limit with photoelectric sensor
Induction part and the interconnecting piece that source output terminal is driven for being set with connection.
In a kind of preferred embodiment of the present invention, the interconnecting piece is sleeve-shaped, the internal diameter of the interconnecting piece of sleeve-shaped
Corresponding with the driving outer diameter of source output terminal, the interconnecting piece of sleeve-shaped radially arranges that setting is multiple for fixing inductance loop
Threaded hole.
In a kind of preferred embodiment of the present invention, the photoelectric sensor is two, and two photoelectric sensors are along perpendicular
Histogram is arranged to upper and lower；The inductance loop is two, and there are an angles between the induction part on two inductance loops.
In a kind of preferred embodiment of the present invention, the driving source is coordinated by installing guide frame with the pedestal
Connection.
In a kind of preferred embodiment of the present invention, the installation guide frame includes vertically-mounted guide plate, horizontal peace
Dress guide plate and U-shaped connecting plate, the vertically-mounted guide plate are vertically fixed in the pedestal upper end, are set on the vertically-mounted guide plate
It is equipped with for connecting the waist-shaped hole arranged along Z-direction for being horizontally mounted guide plate, the guide plate that is horizontally mounted passes through bolt
It is affixed with the vertically-mounted guide plate, it is described be horizontally mounted be provided on guide plate for connect the U-shaped connecting plate along Y-axis side
To the waist-shaped hole of arrangement, the guide plate that is horizontally mounted is bolted to described be horizontally mounted guide plate lower end, the U-shaped connection
The driving source is connected on plate.
In a kind of preferred embodiment of the present invention, the end of the U-shaped connecting plate is connected with focusing position-limit mechanism.
In a kind of preferred embodiment of the present invention, the movable end and the first straight line slide unit of the transplanting module
Fixing end is affixed, and the movable end of the first straight line slide unit is connect with the fixing end of the second straight line slide unit, and described second is straight
The movable end of line slide unit is connect with the fixing end for swinging slide unit, and the movable end for swinging slide unit is connected with the gear tune
Focusing mechanism.
In a kind of preferred embodiment of the present invention, the movable end and the second straight line slide unit of the transplanting module
Fixing end is affixed, and the movable end of the second straight line slide unit is connect with the fixing end of the first straight line slide unit, and described first is straight
The movable end of line slide unit is connect with the fixing end for swinging slide unit, and the movable end for swinging slide unit is connected with the gear tune
Focusing mechanism.
In a kind of preferred embodiment of the present invention, the OLED lighting test jigs include carrying conducting device
OLED positioning carriers, OLED fine positions device and PG testing cassetes, the OLED localization tools pass through the OLED fine positions
Device is fixed in jig mounting plate upper end, and the PG testing cassetes are electrically connected by conducting device and the OLED positioning carriers
It connects.
In a kind of preferred embodiment of the present invention, the OLED fine positions device includes for driving OLED to position
Rotary bearing platform that carrier is turned round around own axes, the straight line slide unit for driving OLED positioning carriers to be moved along horizontal X axis and Y-axis
Module and swing slide unit module for driving OLED positioning carriers to be rotated around horizontal X axis and Y-axis.
The present invention a kind of preferred embodiment in, the OTP test devices include fixing bracket, Y-direction straight line slide unit,
For X to straight line slide unit, Z-direction straight line slide unit and color analysis instrument, the fixing bracket is vertically fixed in jig mounting plate upper end,
The fixing end of the Y-direction straight line slide unit is connect with the fixing bracket, and the movable end of the Y-direction straight line slide unit and the X are to straight
The fixing end of line slide unit connects, and the X is connect to the movable end of straight line slide unit with the fixing end of the Z-direction straight line slide unit, the Z
It is connect to the movable end of straight line slide unit with the color analysis instrument.
The beneficial effects of the invention are as follows：It is the configuration of the present invention is simple, easy to use, pass through OTP test devices, Mura compensation
Device is integrated in a test platform and coordinates rotatable jig mounting plate to realize oled panel OTP, Demura
One-stop synchronous detection compensation, to greatly improve the detection compensation efficiency of oled panel；Further, the present invention is logical
4 OLED lighting test jigs in a rotationally symmetrical arrangement of design are crossed on jig mounting plate, and are coordinated in a rotationally symmetrical arrangement upper
Part station, lower part station, OTP test stations and a Mura compensation station are so that present invention composition one is integrated flat
Platform, convenient in the transport and use of the present invention；Further, the present invention can make CCD camera along X-axis and Z-direction displacement, simultaneously
It is rotated around X-axis and Z axis, while realizing full-automatic regulation, and there is focal length setting mechanism, avoid CCD camera along Z-direction tune
Whole picture, which is spent, causes greatly focusing inaccurate and damage camera；Further, the present invention is opposite by being used for a coarse adjustment CCD camera
In liquid crystal display panel to be measured distance transplanting module, an accurate adjustment CCD camera relative to liquid crystal display panel to be measured distance second
The gear focus adjusting mechanism of the distance of straight line slide unit and secondary accurate adjustment CCD camera relative to liquid crystal display panel to be measured, to effectively carry
The high full-automatic focusing accuracy and speed of CCD camera；The present invention in rack by being arranged transplanting module, straight line slide unit, pendulum
Dynamic slide unit mate gear focus adjusting mechanism realizes CCD camera moving and rotating along X-axis and Z-direction, to be carried for CCD camera
Multiple degree of freedom have been supplied, have facilitated CCD camera in detection process spatial location, the variation of pitch angle；Further, of the invention
The focusing accuracy that CCD camera is controlled by the external gear of a pair of meshing, eliminates traditional Demura testing agencies and is set along Z-direction
The mechanism for driving CCD camera displacement set, not only reduces the volume and quality of Demura testing agencies, and improve
The focusing accuracy of CCD camera；Further, focus adjusting mechanism adjusts excessive damage camera internal part to the present invention in order to prevent,
A set of focusing position-limit mechanism is provided between CCD camera and gear focus adjusting mechanism, which includes photoelectric sensing
Device and inductance loop can efficiently control the rotation angle of focus adjusting mechanism；Further, of the invention according to difference for convenience
Operating mode reasonably select focusing range, the photoelectric sensor and inductance loop in focusing position-limit mechanism above-mentioned are 2, and are felt
Ying Huanjun is sleeved on the output end of driving source, and the angle between induction part on two inductance loops is adjustable, to realize CCD
The control of camera focus adjustable range；Further, straight line slide unit of the invention, swing slide unit and first straight line slide unit are existing
There is product, directly buys assembly and use, do not have to individually designed；Further, the present invention between driving source and pedestal by setting
Installation guide frame is set, the adjusting and use of driving gear installation site are facilitated；Further, the present invention passes through fixed in OLED
OLED fine position devices are arranged in position carrier lower end, to facilitate the positioning and detection of oled panel；Further, of the invention
Make the present invention quickly can carry out OTP to various model oled panels with full automatic high efficiency OTP test device structure designs
Detection.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of OTP+Demura for OLED display screen of the embodiment of the present invention compensates equipment；
Fig. 2 is the transplanting modular structure that a kind of OTP+Demura for OLED display screen of the embodiment of the present invention compensates equipment
Schematic diagram；
Fig. 3 is link and the installation that a kind of OTP+Demura for OLED display screen of the embodiment of the present invention compensates equipment
The structural schematic diagram of each device on link；
Fig. 4 is position-limit mechanism of focusing in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
Axis surveys view；
Fig. 5 is position-limit mechanism of focusing in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
Front view；
Fig. 6 is OLED lighting tests in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
The structural schematic diagram of jig；
Fig. 7 is OLED fine positions in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
The structural schematic diagram of device；
Fig. 8 is OLED positioning carriers in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
Structural schematic diagram；
Fig. 9 is OLED lighting tests in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
The signal connection diagram of jig；
Figure 10 is OTP test devices in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
Structural schematic diagram；
Figure 11 is jig mounting plate in a kind of OTP+Demura compensation equipment for OLED display screen of the embodiment of the present invention
Structure schematic diagram；
In figure：1- racks；2-CCD cameras；3- transplants module；4- links；5- first straight line slide units；6- swings slide unit；
7- gear focus adjusting mechanisms；8- second straight line slide units；9- focusing position-limit mechanisms；The vertically-mounted guide plates of 10-；11- is horizontally mounted guide plate；
12-U shape connecting plates；13-OLED positioning carriers；14-OLED fine position devices；15-PG testing cassetes；16- fixing brackets；17-
Darkroom；18-Y is to straight line slide unit；19-X is to straight line slide unit；20-Z is to straight line slide unit；21- color analysis instruments；7.1- pedestal；7.2-
Driving source；7.3- driving gear；7.4- driven gear；9.1- photoelectric sensor；9.2- inductance loop；9.2-1- induction part；9.2-
2- interconnecting pieces；14-1- rotary bearing platforms；14-2- straight line slide unit modules；14-3- swings slide unit module；A- test platforms；B- power
Rotating device；C- jig mounting plates；D-OLED lighting test jigs；E-OTP test devices；F-Mura compensation devices.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of OTP+Demura for OLED display screen shown in Figure of description 1-2 compensates equipment it is found that it is wrapped
Test platform A is included, test platform A is connected with jig mounting plate C, jig peace by power rotary device B (can be dispenser)
Loading board C can be turned round under power rotary device B effects around own axes, is symmetrically provided on jig mounting plate C multiple
It is provided with by OLED lighting test jig D, jig mounting plate C and changes part station, OTP test stations and Mura compensation stations, OTP surveys
It is provided on trial work position on OTP test devices E, Mura compensation station and is provided with Mura compensation devices F；Each OTP test devices E
Oled panel on one OLED lighting test jigs D of corresponding detection, each Mura compensation devices F correspond to one OLED point of compensation
The oled panel of lamp test jig D, the two can work at the same time, but oled panel must first pass through the completion of OTP test stations
It is rotated again after detection to Mura compensation stations and carries out Demura compensation.In a kind of attached specific implementation shown in FIG. 1 of the present invention
In example, 4 OLED lighting test jig D are symmetrically provided on jig mounting plate C, rotational symmetry is set by jig mounting plate C
It is equipped with 2 and changes part station, 1 OTP test station and 1 Mura compensation station, 1 OTP test is provided in OTP test stations
Device E, Mura compensates setting on station, and there are one Mura compensation devices F.OTP test stations are adjacently positioned with Mura compensation stations
Or it is positioned opposite.
The Mura compensation devices F and OLED lighting test jigs D of the present invention is used cooperatively comprising in setting darkroom 17
Rack 1 and CCD camera 2 are provided with the transplanting module 3 for driving CCD camera 2 to be moved along vertical Z axis, the transplanting in rack 1
Module 3 belongs to the prior art, and the movable end of transplanting module 3 is connected with link 4, and CCD camera 2 is connected to 4 lower section of link；Even
It connects and is provided with the coaxially arranged first straight line cunning for driving CCD camera 2 to be moved along horizontal X axis between frame 4 and CCD camera 2
Platform 5, for driving second straight line slide unit 8 that CCD camera 2 moves along vertical Z axis, for driving CCD camera 2 around horizontal X axis and Z
The swing slide unit 6 of axis rotation and the gear focus adjusting mechanism 7 for adjusting 2 focal length of CCD camera, first straight line slide unit 5 and second is directly
8 position of line slide unit can be interchanged；Gear focus adjusting mechanism 7 includes pedestal 7.1, driving source 7.2, driving gear 7.3 and driven gear
7.4；Pedestal 7.1, which is fixed in, swings 6 lower end of slide unit, and CCD camera 2 and driving source 7.2 are connected on pedestal 7.1, driving source 7.2
Output end and driving gear 7.3 are affixed, and driven gear 7.4, driving gear 7.3 and driven tooth are connected at the focusing of CCD camera 2
7.4 engaged transmission of wheel.It may be noted that above-mentioned first straight line slide unit 5, swing slide unit 6 and second straight line slide unit 8 are existing skill
Art.
The excessive damage for causing camera internal part of the angular adjustment of CCD camera focus adjusting mechanism, the present invention exist in order to prevent
Focusing position-limit mechanism 9 is additionally provided between CCD camera 2 and gear focus adjusting mechanism 7, focusing position-limit mechanism 9 includes being fixed in pedestal
The photoelectric sensor 9.1 of 7.1 lower ends and the inductance loop 9.2 coaxially arranged with driving gear 7.3, inductance loop 9.2 include for
The induction part 9.2-1 of the cooperation of photoelectric sensor 9.1 and for be set with connection 7.2 output end of driving source interconnecting piece 9.2-2, even
Socket part 9.2-2 is sleeve-like configuration, and middle part offers the through-hole radially arranged and is used to consolidate with 7.2 output end of driving source
It is fixed；Pass through the cooperation of induction part 9.2-1 and photoelectric sensor 9.1, so that it may with the focusing model of pre-set gear focus adjusting mechanism 7
It encloses.Further, in order to adapt to various operating modes, the quickly and easily focusing range of adjustment gear focus adjusting mechanism 7, the present invention is by light
Electric transducer 9.1 is two and two photoelectric sensors 9.1 are vertically arranged up and down；Inductance loop 9.2 is two, two senses
Answer between the induction part 9.2-1 on ring 9.2 that there are an angles, to expand the focusing range of gear focus adjusting mechanism 7.
Further, the installation and debugging of the driving gear 7.3 of the present invention for convenience, driving source 7.2 of the invention are logical
Installation guide frame is crossed to be connected with pedestal 7.1；Installation guide frame includes vertically-mounted guide plate 10, is horizontally mounted guide plate 11
With U-shaped connecting plate 12, vertically-mounted guide plate 10 is vertically fixed in 7.1 upper end of pedestal, is provided with and is used on vertically-mounted guide plate 10
Connection is horizontally mounted the waist-shaped hole of guide plate 11 arranged along Z-direction, is horizontally mounted guide plate 11 and is led with vertically-mounted by bolt
Plate 10 is affixed, is horizontally mounted the waist-shaped hole arranged along Y direction being provided on guide plate 11 for connecting U-shaped connecting plate 12, water
Safety dress guide plate 11 is bolted to be horizontally mounted 11 lower end of guide plate, and driving source 7.2 is connected on U-shaped connecting plate 12；U-shaped
The end of connecting plate 12 is connected with focusing position-limit mechanism 9.
Demura manner of execution is as follows：
Transplanting module 3 is fixed in rack 1, the transplanting effect of module 3 drive first straight line slide unit 5, second straight line slide unit 8,
It swings slide unit 10 and CCD camera 2 generates the position of Z-direction displacement coarse adjustment CCD camera 2；The effect of first straight line slide unit 5 drives
CCD camera 2 generates X-direction displacement；The effect of second straight line slide unit 8 drives CCD camera 2 to generate a Z-direction accurate adjustment of displacement
The position of CCD camera 2；Swinging the effect of slide unit 6 can be such that CCD camera 2 is rotated rotating around X, Y-axis；Driving source 7.2 acts on external gear
Mechanism drives CCD camera 2 to move up and down, secondary 2 focal length of accurate adjustment CCD camera.
To sum up, which can make CCD camera 2 generate the displacement along X-direction and Z-direction, and can make CCD camera
2 rotate around X-axis and Z axis, and compared with traditional Demura testing agencies, the body function is powerful, full-automatic regulation, and have focal length
Regulation limiting device avoids adjustment amplitude excessive, damages camera.
The OLED lighting test jigs D of the present invention includes micro- with the OLED positioning carriers 13 of conducting device, the positions OLED
Device 14 and PG testing cassetes 15 are adjusted, groove 13-1 for installing oled panel is provided on OLED positioning carriers 13 and for inhaling
The vacuum absorption holes 13-2 of attached oled panel, the shape of groove is corresponding with the shape of oled panel, and OLED localization tools 13 are logical
It crosses OLED fine positions device 14 and is fixed in the upper ends jig mounting plate C, PG testing cassetes 15 are carried by conducting device and OLED positioning
13 electrical connection of tool.OLED fine positions device 14 includes coaxially arranged for driving OLED positioning carriers 13 to be returned around own axes
Turn rotary bearing platform 14-1, the straight line slide unit module 14-2 for driving OLED positioning carriers 13 to be moved along horizontal X axis and Y-axis and
Swing slide unit module 14-3 for driving OLED positioning carriers 13 to be rotated around horizontal X axis and Y-axis.It is filled in view of OLED fine positions
The presence for setting 14 so that OLED positioning carriers 13 are adjustable along horizontal Y-axis position, therefore the Mura compensation devices F of the present invention only needs edge
X-axis and Z-direction are adjustable.
The OTP test devices E of the present invention includes fixing bracket 16, Y-direction straight line slide unit 18, X straight to straight line slide unit 19, Z-direction
Line slide unit 20 and color analysis instrument 21, fixing bracket 16 are vertically fixed in the upper ends jig mounting plate C, and Y-direction straight line slide unit 18 is consolidated
Fixed end is connect with fixing bracket 16, and the movable end of Y-direction straight line slide unit 18 is connect with X to the fixing end of straight line slide unit 19, and X is to straight line
The movable end of slide unit 19 is connect with the fixing end of Z-direction straight line slide unit 20, movable end and the color analysis instrument 21 of Z-direction straight line slide unit 20
Connection.
It should be understood that these are only the specific implementation mode of the present invention, but protection scope of the present invention is not limited to
In this, any technical person familiar with the field within the technical scope disclosed by the invention, the variation that can readily occur in or is replaced
It changes, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of OTP+Demura for OLED display screen compensates equipment, it is characterised in that：It is described including test platform (A)
Test platform (A) is revolved by power rotary device (B) connection fixture mounting plate (C), the jig mounting plate (C) in the power
It can be turned round around own axes under rotary device (B) effect, multiple OLED lightings are symmetrically provided on the jig mounting plate (C)
Measurement jig (D), other be provided with of the jig mounting plate (C) changes part station, OTP test stations and Mura compensation stations, described
It is provided with OTP test devices (E) in OTP test stations, Mura compensation devices (F) are provided on the Mura compensation station.
2. a kind of OTP+Demura for OLED display screen according to claim 1 compensates equipment, it is characterised in that：Institute
State the OLED lighting test jigs (D) there are four being symmetrically arranged on jig mounting plate (C), the jig mounting plate (C)
Other rotational symmetry setting tests work there are two part station, an OTP test station and a Mura compensation station, the OTP is changed
Setting is there are one OTP test devices (E) on position, and the Mura compensates setting on station, and there are one Mura compensation devices (F).
3. a kind of OTP+Demura for OLED display screen according to claim 2 compensates equipment, it is characterised in that：Institute
OTP test stations and the Mura compensation station is stated to be adjacently positioned or positioned opposite.
4. a kind of OTP+Demura for OLED display screen according to claim 1-3 any one claims is compensated
Equipment, it is characterised in that：The Mura compensation devices (F) include darkroom (17), in the darkroom (17) setting organic frame (1) and
CCD camera (2) is provided with the transplanting module for driving the CCD camera (2) to be moved along vertical Z axis on the rack (1)
(3), the movable end of the transplanting module (3) is connected with link (4), and the CCD camera (2) is connected to the link (4)
Lower section；It is provided between the link (4) and the CCD camera (2) coaxially arranged for driving the CCD camera (2)
The first straight line slide unit (5) that is moved along horizontal X axis, the second straight line for driving the CCD camera (2) to be moved along vertical Z axis
Slide unit (8), the swing slide unit (6) for driving the CCD camera (2) to be rotated around horizontal X axis and Z axis and described for adjusting
The gear focus adjusting mechanism (7) of CCD camera (2) focal length；The gear focus adjusting mechanism (7) include pedestal (7.1), driving source (7.2),
Driving gear (7.3) and driven gear (7.4)；The pedestal (7.1) connect with the swing slide unit (6), the pedestal (7.1)
On be connected with the CCD camera (2) and the driving source (7.2), output end and the driving gear of the driving source (7.2)
(7.3) affixed, the driven gear (7.4), the driving gear (7.3) and institute are connected at the focusing of the CCD camera (2)
State driven gear (7.4) engaged transmission.
5. a kind of OTP+Demura for OLED display screen according to claim 4 compensates equipment, it is characterised in that：Institute
It states and is additionally provided with focusing position-limit mechanism (9) between CCD camera (2) and the gear focus adjusting mechanism (7)；The focusing position-limit mechanism
(9) include being fixed in the photoelectric sensor (9.1) of pedestal (7.1) lower end and the inductance loop coaxially arranged with driving gear (7.3)
(9.2), the inductance loop (9.2) includes the induction part (9.2-1) for the cooperation limit with photoelectric sensor (9.1) and is used for
The interconnecting piece (9.2-2) of suit connection driving source (7.2) output end.
6. a kind of OTP+Demura for OLED display screen according to claim 5 compensates equipment, it is characterised in that：Institute
It is two to state photoelectric sensor (9.1), and two photoelectric sensors (9.1) are vertically arranged up and down；The inductance loop (9.2)
It it is two, there are an angles between the induction part (9.2-1) on two inductance loops (9.2).
7. a kind of OTP+Demura for OLED display screen according to claim 4 compensates equipment, it is characterised in that：Institute
It states driving source (7.2) and is connected with the pedestal (7.1) by installing guide frame；The installation guide frame includes vertical
Installation guide plate (10) is horizontally mounted guide plate (11) and U-shaped connecting plate (12), and the vertically-mounted guide plate (10) is vertically fixed in institute
State pedestal (7.1) upper end, be provided on the vertically-mounted guide plate (10) for connect it is described be horizontally mounted guide plate (11) along Z
The waist-shaped hole of axis direction arrangement, the guide plate (11) that is horizontally mounted is affixed by bolt and the vertically-mounted guide plate (10), institute
State the waist-shaped hole arranged along Y direction for being horizontally mounted and being provided on guide plate (11) for connecting the U-shaped connecting plate (12), institute
State be horizontally mounted guide plate (11) be bolted to it is described be horizontally mounted guide plate (11) lower end, on the U-shaped connecting plate (12)
It is connected with the driving source (7.2)；The end of the U-shaped connecting plate (12) is connected with focusing position-limit mechanism (9).
8. a kind of OTP+Demura for OLED display screen according to claim 1-3 any one claims is compensated
Equipment, it is characterised in that：The OLED lighting test jigs (D) include with conducting device OLED positioning carriers (13),
OLED fine positions device (14) and PG testing cassetes (15), the OLED localization tools (13) are filled by the OLED fine positions
It sets (14) and is fixed in jig mounting plate (C) upper end, the PG testing cassetes (15) are positioned by conducting device and the OLED
Carrier (13) is electrically connected.
9. a kind of OTP+Demura for OLED display screen according to claim 8 compensates equipment, it is characterised in that：Institute
It includes coaxially arranged for driving OLED positioning carriers (13) to be turned round around own axes to state OLED fine positions device (14)
Rotary bearing platform (14-1), the straight line slide unit module (14-2) for driving OLED positioning carriers (13) to be moved along horizontal X axis and Y-axis
With the swing slide unit module (14-3) for driving OLED positioning carriers (13) to be rotated around horizontal X axis and Y-axis.
10. a kind of OTP+Demura for OLED display screen according to claim 1-3 any one claims is mended
Repay equipment, it is characterised in that：The OTP test devices (E) include fixing bracket (16), Y-direction straight line slide unit (18), X to straight line
Slide unit (19), Z-direction straight line slide unit (20) and color analysis instrument (21), the fixing bracket (16) are vertically fixed in the jig peace
The fixing end of the upper end loading board (C), the Y-direction straight line slide unit (18) is connect with the fixing bracket (16), the Y-direction straight line slide unit
(18) movable end is connect with the X to the fixing end of straight line slide unit (19), movable ends and institute of the X to straight line slide unit (19)
State the fixing end connection of Z-direction straight line slide unit (20), movable end and the color analysis instrument (21) of the Z-direction straight line slide unit (20)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735072.9A CN108648673B (en) | 2018-07-06 | 2018-07-06 | OTP+demura compensation equipment for OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735072.9A CN108648673B (en) | 2018-07-06 | 2018-07-06 | OTP+demura compensation equipment for OLED display screen |
Publications (2)
| Publication Number | Publication Date |
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| CN108648673A true CN108648673A (en) | 2018-10-12 |
| CN108648673B CN108648673B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735072.9A Active CN108648673B (en) | 2018-07-06 | 2018-07-06 | OTP+demura compensation equipment for OLED display screen |
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| CN110534045A (en) * | 2019-08-20 | 2019-12-03 | 武汉精立电子技术有限公司 | A kind of efficient Demura process flow operation method and system |
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| CN111312131A (en) * | 2020-03-13 | 2020-06-19 | 苏州精濑光电有限公司 | Screen detection device |
| CN111326091A (en) * | 2020-03-13 | 2020-06-23 | 苏州精濑光电有限公司 | Screen overhauls device |
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