CN105911725A - Display panel repairing device - Google Patents
Display panel repairing device Download PDFInfo
- Publication number
- CN105911725A CN105911725A CN201610407368.9A CN201610407368A CN105911725A CN 105911725 A CN105911725 A CN 105911725A CN 201610407368 A CN201610407368 A CN 201610407368A CN 105911725 A CN105911725 A CN 105911725A
- Authority
- CN
- China
- Prior art keywords
- laser beam
- prosthetic device
- wavelength
- display floater
- defect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention provides a display panel repairing device. The display panel repairing device comprises a multi-wavelength laser device, a wavelength selector and a light beam scanner; the multi-wavelength laser device is used for generating a laser beam with fundamental frequency wavelength and a laser beam with multiplication frequency wavelength, the wavelength selector is used for selecting the laser beam with fundamental frequency wavelength or the laser beam with multiplication frequency wavelength according to the defect type of a display panel, and the light beam scanner is used for scanning defects with the laser beam with fundamental frequency wavelength or the laser beam with multiplication frequency wavelength to repair the display panel. The display panel repairing device can provide multiple multi-stage laser beams and can be used for repairing TFT layer defects and CF layer defects, and the repairing device can repair a display panel with a polaroid by using a polarization adjustor.
Description
Technical field
The present invention relates to a kind of display floater prosthetic device, particularly relate to the laser repairing dress of a kind of display floater
Put.
Background technology
Display floater in process of production, due to factors such as production technology, production environment and faults in material,
Inevitably there will be some defects etc., affect display effect, serious may result in product rejection.For
The non-cause of product is given up defect, such as bright spot, dim spot, bright line, concealed wire etc., it is possible to use laser repair system pair
It is repaired, and to retrieve a loss, reduces cost.
For display floater, although had relevant detection before becoming box processing procedure with the product avoiding defect
Raw, but detection has careless omission unavoidably, and become box processing procedure itself to there is also the possibility causing defect, even
Also defect is will detect that after Polarizer sticks.The reparation of defect typically at TFT layer (array base palte) and
The upper operation of CF layer (color membrane substrates), and after display floater passes through into box process, often exist more than
A kind of defect, and it may also be desirable to the common reparation of TFT layer and CF layer.Due to TFT layer and CF layer
Repairing of different materials attribute, TFT layer and CF layer typically uses different prosthetic appliances, causes remediation efficiency
Reduction.And display floater is attaching after polaroid, to the reparation of CF layer it is necessary that Polarizer not
Damaged, repair is just caused certain difficulty by this.Charm house journal of Korea S (application number
CN200710141718.2) propose to use 400～490nm laser to realize the liquid crystal panel posting Polarizer
CF layer repair, but this wavelength be not appropriate for repair TFT layer, existing same prosthetic appliance be difficult to
Have above-mentioned multiple repair function concurrently.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of display floater prosthetic device, to solve existing skill
Prosthetic device in art is difficult to the technical problem of multi-functional reparation.
The present invention provides a kind of display floater prosthetic device, comprises: multiple-wavelength laser, in order to produce fundamental frequency
The laser beam of wavelength and the laser beam of frequency-doubled wavelength thereof；Wavelength selector, in order to the defect according to display floater
The laser beam of this fundamental frequency wavelength of type selecting or the laser beam of this frequency-doubled wavelength；And optical beam scanner, in order to
The laser beam of this fundamental frequency wavelength or the laser beam of this frequency-doubled wavelength is made to be scanned repairing this display to this defect
Panel.
As further alternative technical scheme, this prosthetic device also comprises spot size manipulator, this hot spot
Size modulations device is in order to the size of the size adjustment laser facula according to this defect.
As further alternative technical scheme, this fundamental frequency wavelength in the range of 1030nm to 1342nm, this times
Frequently wavelength is in the range of 515nm to 671nm and 343nm to 448nm.
As further alternative technical scheme, the laser beam of this fundamental frequency wavelength is for repairing this display floater
Line defct on arraying bread board, the laser beam of this frequency-doubled wavelength is for repairing the arraying bread board of this display floater
On line defct, and the melanism of the color blocking layer on the color membrane substrates.
As further alternative technical scheme, this prosthetic device also comprises the first image unit and collecting lens,
This first image unit and this laser beam share this collecting lens, to realize the real-time monitoring of repair process.
As further alternative technical scheme, this display floater comprises polaroid, and this prosthetic device also comprises
Polarization adjustor, this polarization adjustor is in order to adjust the polarization direction of this laser beam so that the polarization of laser beam
Direction is identical with the printing opacity direction of this polaroid.
As further alternative technical scheme, this prosthetic device also comprises the second image unit, and this second is taken the photograph
As unit is for detecting the positional information of this display floater and this positional information feeding back to this polarization adjustor.
As further alternative technical scheme, this prosthetic device also comprises object stage, ignition device and signal
Generating unit, this display floater is positioned on this object stage, and this ignition device is arranged with this signal generating unit
In this loading edge of table, the display screen defect for this display floater checks.
As further alternative technical scheme, this object stage comprises object carrier, air layer and backlight and shines
Bright system, this air layer is arranged between this object carrier and this backlight illuminating system.
As further alternative technical scheme, this object stage is arranged on a displacement platform, this collecting lens
Being arranged on Z axis displacement platform, this displacement platform drives this object stage to move in X-direction and Y direction
Dynamic, this Z axis displacement platform drives this collecting lens to move in Z-direction so that this laser beam focus is in this
The position of defect, wherein X-axis, Y-axis and Z axis are the most vertical.
Compared with prior art, the display floater prosthetic device of the present invention can provide the laser beam of multiple multistage,
Can be not only used for the reparation of TFT layer defect, the reparation of CF layer defects can also be used for；Polarize adjustor simultaneously
The prosthetic device making the present invention can also be with the reparation of the display floater of polaroid.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the display floater prosthetic device of one embodiment of the invention；
Fig. 2 is the side view of the object stage of one embodiment of the invention；
Fig. 3 is the top view of the object stage of one embodiment of the invention.
Detailed description of the invention
For making the purpose of the present invention, structure, feature and function thereof are had further understanding, hereby coordinate reality
Execute example and describe in detail as follows.
Refer to the schematic diagram of the display floater prosthetic device that Fig. 1, Fig. 1 are one embodiment of the invention.The present invention
Prosthetic device 100 comprise multiple-wavelength laser 10, wavelength selector 11 and optical beam scanner 12, wherein
The laser beam of the multiple-wavelength laser 10 laser beam and frequency-doubled wavelength thereof in order to produce fundamental frequency wavelength；Wavelength selects
Device 11 selects above-mentioned fundamental frequency wavelength or the laser of frequency-doubled wavelength in order to the defect type according to display floater 200
Bundle；Optical beam scanner 12, in order to make the laser beam of above-mentioned fundamental frequency wavelength or frequency-doubled wavelength carry out drawbacks described above
Scanning is to repair display floater 200.In the present embodiment, display floater 200 not paste the liquid crystal cell of polaroid is
Example illustrates, the color film that described display floater 200 comprises the array base palte with TFT layer, has CF layer
Substrate and be located in the liquid crystal layer between TFT layer and CF layer；The defective locations of display floater 200 can be
A upper inspection process finds, and directly defective locations is uploaded to the prosthetic device 100 of the present embodiment.
In another embodiment, it is saturating with optically focused that the prosthetic device 100 of the present invention also comprises the first image unit 13
Mirror 14, the first image unit 13 shares collecting lens 14 with laser beam；When array base palte upwards,
The defect of array base palte TFT layer can also find by observing the first image unit 13, and can repair at panel
During Fu, defect repair situation is monitored in real time.Shine it is preferred that prosthetic device 100 also has front
Bright system 18, preferably white axis light, front lighting illumination system 18 provides illumination for the first image unit 13
Light, improves the observing effect of the first image unit 13.
Incorporated by reference to the side view referring to figs. 1 to the object stage that Fig. 3, Fig. 2 are one embodiment of the invention；Fig. 3 is
The top view of the object stage of one embodiment of the invention.In an embodiment, prosthetic device 100 also comprises loading
Platform 40, ignition device 41 and signal generating unit 42, display floater 200 is arranged on object stage 40, point
Lamp device 41 and signal generating unit 42 are arranged at the edge of object stage 40, showing for display floater 200
Show screen defect inspection.Specifically, signal generating unit 42 and ignition device 41 are respectively to display floater 200
Send image sensing signal and backlight driving signal so that display floater 200 display detection picture, then tie
Close the first camera head 13 and can monitor display floater 200 whether existing defects and defective locations.
In a specific embodiment, object stage 40 comprises object carrier 43, air layer 44 and back lighting
System 45, air layer 44 is arranged between object carrier 43 and backlight illuminating system 45.Specifically, loading
Glass 43 can be ground glass, is used for carrying display floater 200, can be with the light of transmission backlight even
Light.Object carrier 43 intermediate hollow, surface is with vacuum pore 431, it is possible to use pneumatics is by display floater
200 are fixed on top.Air layer 44, for the heat radiation of backlight, prevents display floater 200 because of the heat of backlight
Measure impaired.Backlight illuminating system 45 provides backlight for display floater 200, in repair process, and Ke Yigen
According to repairing position and the difference of panel type, adjust and use frontlighting or back lighting.
In an embodiment, fundamental frequency wavelength in the range of 1030nm to 1342nm, its frequency-doubled wavelength in the range of
515nm to 671nm and 343nm to 448nm.If TFT layer exists line defect, fundamental frequency wavelength can be used
Laser carries out a cutting to defect circuit, it is preferred that the laser that wavelength can be used to be 1064nm；Real in other
Execute in example, the laser of its two frequency-doubled wavelength 532nm can also be used to repair.If there is point defect,
Can carry out getting ready in the appropriate place of TFT circuit and melt reparation.Additionally, if fleck defect,
The laser beam of frequency-doubled wavelength can also be used the color blocking layer (CF layer) on the color membrane substrates of display floater 200
Carry out melanism, bright spot is accomplished dim spot, reach effect bright spot darkened；It is preferred that 532nm can be used
Laser or 355nm laser, when color membrane substrates at upper array base palte lower, to RGB three kinds
The pixel of color carries out black matrix" diffusion or the reparation of color blocking carbonization, when whole defect pixel region is complete
When sheltering from the light of backlight, reparation completes.
In a specific embodiment, prosthetic device 100 also comprises spot size manipulator 15, and spot size is adjusted
Device 15 processed is in order to the size of the size adjustment laser facula according to defect；Further, prosthetic device 100 is also
There is energy modulator 16, in order to regulate the energy of laser beam.Adjusted by wavelength selector 11, spot size
Device 15 processed, the regulation of energy modulator 16, reach the wavelength required for defect repair, spot size and energy,
To reach preferably repairing effect, and the regulation of wavelength, spot size and energy order does not limit.
In an embodiment, display floater comprises polaroid, and prosthetic device 100 also comprises polarization adjustor 17,
Polarization adjustor 17 is in order to adjust the polarization direction of laser beam so that the polarization direction of laser beam and polaroid
Printing opacity direction is identical.
In a specific embodiment, prosthetic device 100 also comprises the second image unit 30, the second image unit
30 for measuring the positional information of display floater and above-mentioned positional information feeding back to polarization adjustor 17.Certainly
Practical operation is not limited thereto, such as, operator can also by object stage identify lines or
Person's scale, judges, with human eye, the offset that display floater is placed, and then change polarization adjustor mode is come
Carry out the concordance judging the positional information of display floater or polaroid printing opacity direction with laser polarization direction.
For posting the display floater of polaroid, can be directly by ignition device 41 He of 40 on object stage
Signal generating unit 42 carries out showing that picture checks defect, afterwards with the above-mentioned display floater not posting polaroid
200 similar methods carry out defect repair.Owing to panel surface posts polaroid, polaroid only allows to lead to
Cross the laser of certain polarization direction and basic only to visible light-transmissive, in order to avoid polaroid is made by laser beam
Become damage, need by the second image unit 30, the position deviation of display floater to be judged, thus will partially
The polarization printing opacity direction of mating plate feeds back to the light polarization modulator 17 of multiple-wavelength laser 10, thus modulates laser
Polarization state also makes it identical with the printing opacity direction of polaroid, reduces the laser damage to polaroid to greatest extent.
In an embodiment, object stage 40 is arranged on a displacement platform (not illustrating), and a plurality of optically focused are saturating
Mirror 14 is arranged on Z axis displacement platform 20, and displacement platform drives object stage 40 in X-direction and Y-axis side
Moving up, adjust laser beam focus position on display floater 200, Z axis displacement platform 20 can drive
Collecting lens 14 moves in Z-direction, and adjust between collecting lens 14 and display floater 200 is concrete,
Making laser beam focus position of defect on display floater 200, wherein X-axis, Y-axis and Z axis are vertical two-by-two,
As shown in Figure 1-Figure 3, laser beam position on panel 200 and focus condition can be taken the photograph by observing first
As the imaging definition of unit 13 determines；Or, in other embodiments, it is also possible to by installing automatically
Focusing system carries out auto-focusing operation.
As fully visible, the display floater prosthetic device of the present invention can provide the laser beam of multiple multistage, both may be used
For the reparation of TFT layer defect, the reparation of CF layer defects can also be used for, polarize the use of adjustor simultaneously
The prosthetic device making the present invention can also be with the reparation of the display floater of polaroid, the prosthetic device of this law
Have multiple repair function concurrently, improve the maintenance efficiency of product.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's
Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not
The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (10)
1. a display floater prosthetic device, it is characterised in that this prosthetic device comprises:
Multiple-wavelength laser, the laser beam of laser beam and frequency-doubled wavelength thereof in order to produce fundamental frequency wavelength；
Wavelength selector, in order to select the laser beam of this fundamental frequency wavelength or to be somebody's turn to do according to the defect type of display floater
The laser beam of frequency-doubled wavelength；And
Optical beam scanner, in order to the laser beam of the laser beam or this frequency-doubled wavelength that make this fundamental frequency wavelength to this defect
It is scanned repairing this display floater.
2. prosthetic device as claimed in claim 1, it is characterised in that this prosthetic device also comprises hot spot
Size modulations device, this spot size manipulator is in order to the size of the size adjustment laser facula according to this defect.
3. prosthetic device as claimed in claim 1, it is characterised in that this fundamental frequency wavelength in the range of
1030nm to 1342nm, this frequency-doubled wavelength is in the range of 515nm to 671nm and 343nm to 448nm.
4. prosthetic device as claimed in claim 1, it is characterised in that the laser beam of this fundamental frequency wavelength is used
Line defct on the arraying bread board repairing this display floater, the laser beam of this frequency-doubled wavelength is used for repairing this
Line defct on the arraying bread board of display floater, and the melanism of the color blocking layer on color membrane substrates.
5. prosthetic device as claimed in claim 1, it is characterised in that this prosthetic device also comprises first
Image unit and collecting lens, this first image unit and this laser beam share this collecting lens, to realize repairing
The real-time monitoring of multiple process.
6. prosthetic device as claimed in claim 1, it is characterised in that this display floater comprises polaroid,
This prosthetic device also comprises polarization adjustor, this polarization adjustor in order to adjust the polarization direction of this laser beam,
The polarization direction making laser beam is identical with the printing opacity direction of this polaroid.
7. prosthetic device as claimed in claim 6, it is characterised in that this prosthetic device also comprises second
Image unit, this second image unit is for detecting the positional information of this display floater and by anti-for this positional information
Feed this polarization adjustor.
8. prosthetic device as claimed in claim 1, it is characterised in that this prosthetic device also comprises loading
Platform, ignition device and signal generating unit, this display floater is positioned on this object stage, this ignition device with
This signal generating unit is arranged at this loading edge of table, and the display screen defect for this display floater is examined
Look into.
9. prosthetic device as claimed in claim 8, it is characterised in that this object stage comprise object carrier,
Air layer and backlight illuminating system, this air layer be arranged at this object carrier and this backlight illuminating system it
Between.
10. prosthetic device as claimed in claim 8, it is characterised in that this object stage is arranged at a displacement
On platform, this collecting lens is arranged on Z axis displacement platform, and this displacement platform drives this object stage in X-axis
Moving on direction and Y direction, this Z axis displacement platform drives this collecting lens to move in Z-direction, makes
Obtaining this laser beam focus in the position of this defect, wherein X-axis, Y-axis and Z axis are the most vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407368.9A CN105911725A (en) | 2016-06-12 | 2016-06-12 | Display panel repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407368.9A CN105911725A (en) | 2016-06-12 | 2016-06-12 | Display panel repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105911725A true CN105911725A (en) | 2016-08-31 |
Family
ID=56750705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610407368.9A Pending CN105911725A (en) | 2016-06-12 | 2016-06-12 | Display panel repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105911725A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230459A (en) * | 2020-10-21 | 2021-01-15 | 苏州科韵激光科技有限公司 | System and method for repairing bright spot defect of display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414604A (en) * | 2009-05-07 | 2012-04-11 | 株式会社Cowindst | Apparatus for repairing a bright point defect in a display device |
| CN203265909U (en) * | 2012-04-26 | 2013-11-06 | 奥林巴斯株式会社 | Repairing device |
| CN104991391A (en) * | 2015-07-30 | 2015-10-21 | 武汉华星光电技术有限公司 | Repair method for display panel |
-
2016
- 2016-06-12 CN CN201610407368.9A patent/CN105911725A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414604A (en) * | 2009-05-07 | 2012-04-11 | 株式会社Cowindst | Apparatus for repairing a bright point defect in a display device |
| CN203265909U (en) * | 2012-04-26 | 2013-11-06 | 奥林巴斯株式会社 | Repairing device |
| CN104991391A (en) * | 2015-07-30 | 2015-10-21 | 武汉华星光电技术有限公司 | Repair method for display panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230459A (en) * | 2020-10-21 | 2021-01-15 | 苏州科韵激光科技有限公司 | System and method for repairing bright spot defect of display panel |
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Application publication date: 20160831 |