CN102346318A

CN102346318A - Liquid crystal display panel repairing device and method thereof

Info

Publication number: CN102346318A
Application number: CN2011101812883A
Authority: CN
Inventors: 权信; 李钟雨; 赵暎泰; 廉基骞; 李成进; 李锡原; 柳承玟
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2010-07-23
Filing date: 2011-06-23
Publication date: 2012-02-08
Also published as: KR101149410B1; JP2012027469A; KR20120010657A

Abstract

The invention provides a liquid crystal display panel repairing device and a method thereof, wherein the bad area of a liquid crystal display panel is removed by laser beams and patterns printed in the bad area are repaired by offset printing method. Therefore, defects of the arbitrary layer of an LCD panel can be repaired and the finished product rate of the LCD panel is increased. Meanwhile, the pattern formation time is shortened. LCD panel defects can be more effectively repaired.

Description

Display panels prosthetic device and method thereof

Technical field

The present invention relates to display panels prosthetic device and method thereof, relating in particular to can be to the display panels prosthetic device and the method thereof of the defective place under repair of display panels.

Background technology

Generally, the display panels of liquid crystal indicator (below be called " LCD panel ") is by lower basal plate, upper substrate be formed on liquid crystal layer therebetween and constitute.

Lower basal plate is thin film transistor (TFT) (TFT:thin film transistor) and the array of pixel electrodes substrate that forms as the individual switches element.Thin film transistor (TFT) (TFT) comprises gate electrode, dielectric film, semiconductor layer, source/drain electrode.

Upper substrate is the filter substrate that forms colour filter and black matrix".

In having the LCD panel of this structure, be formed at liquid crystal layer between upper substrate and the lower basal plate by the thin film transistor (TFT) drives liquid crystal molecules that is formed on lower basal plate, the light quantity that sees through this liquid crystal layer through control is come display message.

The manufacturing process of LCD panel mainly comprises array base palte manufacturing process, filter substrate manufacturing process, unit (cell) manufacturing process and modularization operation etc.

Two substrates through array base palte manufacturing process and filter substrate manufacturing process become a panel through cell processes, and this panel becomes an actual LCD panel through modularization operation afterwards.

The cost degradation of LCD panel is necessary condition with the high finished product rate, but along with the maximization of panel, defective also increases with area pro rata, thereby is difficult to avoid the problem of decrease in yield.

Following various defectives can occur on the array base palte of LCD panel, comparatively typically have: the generation of the impurity that significantly causes by dust etc. when occurring in the specific region; Occur in the spot of extensive region; The cut class defective that takes place by the stimulation of outside; The circuit defect that should cut part still connecting; The cut open circuit defect of part that should connect etc.

The cycle of the update of LCD panel is very short, only is difficult to obtain high finished product rate through improving production line.

Therefore, up to the present, for poor short circuit, the use Laser Processing technology of removing is come cutting-off of short-circuit position and is repaired; Bad for open circuit, with the definite part of laser cutting rejected region, then through laser chemistry vapor coating method (Chemical Vapor Deposition; CVD) technology evaporation metal is thus connected cut position and repairs.

But; Use mode that above-mentioned Laser Processing removes technology or laser CVD technology only with to the regional area place under repair; And the bad problem that can only repair simple line pattern; In addition because evaporation metal needs the time; Repairing time can be spun out, and therefore has the upper limit for repair of defects.

Summary of the invention

The object of the present invention is to provide and a kind ofly repair the pattern defect of LCD panel, thereby can more effectively repair the display panels prosthetic device and the method thereof of the defective of LCD panel through the hectographic printing mode.

In order to achieve the above object, the display panels prosthetic device that one side of the present invention provided comprises: laser beam device, the bad pattern that is used to remove the LCD panel; The laser beam mobile device is used for moving said laser beam device; Galley is formed with the corresponding groove of reparation pattern with the bad pattern of said LCD panel; Stand is used to carry said LCD panel and galley; Printing element is used for forming said reparation pattern being formed at the groove filling ink on the said galley, and with formed reparation pattern transfer to said LCD panel; The printing element mobile device is used for moving said printing element; Control device is used to control the bad pattern that said laser beam device is removed said LCD panel, controls said printing element and forms said reparation pattern and be transferred on the said LCD panel.

And said printing element can comprise: ink feed portion is used in the groove of said galley, supplying ink; Scraper is removed remaining ink after the groove of filling said galley above said galley; Transfer member, the ink pattern that is used for being filled in the said groove is transferred to the surface, and the ink pattern of this transfer printing is transferred on the said LCD panel.

And; Said transfer member can comprise stamp, and this stamp contacts with the top of said galley, is transferred to the surface with the ink pattern that will be filled in the said groove; And contact with said LCD panel, be transferred on the said LCD panel with the ink pattern that will be transferred to said surface.

And; Said transfer member can comprise the transfer printing roller; This transfer printing roller is rotated mobile with the state that contacts above the said galley; Ink pattern will be filled in the said groove is transferred to the surface; And be rotated mobilely with the state that contacts said LCD panel, be transferred on the said LCD panel with the ink pattern that will be transferred to said surface.

And said transfer printing roller can comprise cylindric roller and the blanket that is used to wrap up said roller.

The display panels prosthetic device that other aspects of the present invention provided comprises: laser beam device, the bad pattern that is used to remove the LCD panel; The laser beam mobile device is used for moving said laser beam device; Stand is used to carry said LCD panel; Printing element is used to form the reparation pattern of the bad pattern of said LCD panel, and with formed reparation pattern transfer to said LCD panel; The printing element mobile device is used for moving said printing element; Control device is used to control the bad pattern that said laser beam device is removed said LCD panel, controls said printing element and forms said reparation pattern and be transferred on the said LCD panel.

And said printing element can comprise: the printing roller is formed with the groove with said reparation pattern same modality, and is that rotation center is rotated with the central shaft on its surface; Ink feed portion is used for to the surface of said printing roller supply ink; Scraper, remaining ink after the groove of filling said printing roller is removed on the surface of said printing roller; The transfer printing roller, the surperficial state of contact of itself and said printing roller is rotated, and the ink pattern that is filled in the groove of said printing roller is transferred to the surface, and the ink pattern of this transfer printing is transferred to said LCD panel.

The display panels restorative procedure that additional aspects of the present invention provided comprises step: the bad pattern of being removed the LCD panel by laser beam; Filling ink in the groove of galley is formed with the groove with the reparation pattern same modality of the said bad pattern that is removed on this galley; The surface that ink pattern in the groove of said galley is transferred to transfer member will be filled into; The ink offset that is transferred to the surface of said transfer member is arrived said LCD panel.

Preferably, with said ink offset in the step on the surface of transfer member, said transfer member is swing roller or stamp.

As stated; According to the present invention, the bad pattern of removing array base palte through laser cutting, and use the hectographic printing mode in the zone of being removed, print the reparation pattern; Therefore the defective that can repair any one layer of forming array substrate can improve the yield rate of LCD panel.

And, according to the present invention, owing to use offset printing technology, rather than the CVD technology, therefore can shorten the pattern formation time, can repair the defective of array base palte more quickly.

Description of drawings

Fig. 1 is the cut-open view of the structure of the LCD panel of the expression application embodiment of the invention.

Fig. 2 is the figure of structure that is used to illustrate first substrate of the LCD panel of using the embodiment of the invention.

Fig. 3 is the figure of form of the gate pattern of first substrate shown in the presentation graphs 2.

Fig. 4 is the figure of form of the insulating film pattern of first substrate shown in the presentation graphs 2.

Fig. 5 is the figure of pattern form of the semiconductor layer of first substrate shown in the presentation graphs 2.

Fig. 6 is the figure of pattern form of the source/drain electrode of first substrate shown in the presentation graphs 2.

Fig. 7 is the figure of repair process that is used to illustrate first substrate of the LCD panel of using the embodiment of the invention.

Fig. 8 forms the figure of the shape of the galley of respectively repairing pattern shown in Fig. 7 for expression.

Fig. 9 is used to illustrate that application intaglio offset mode forms the figure of the process of the reparation pattern shown in Fig. 7.

Figure 10 is used to illustrate that application counter-rotating offset printing mode forms the figure of the process of the reparation pattern shown in Fig. 7.

Figure 11 is the cut-open view of structure that the LCD panel prosthetic device of the embodiment of the invention is shown.

Figure 12 A to Figure 12 E is used to illustrate the figure that repairs the process of pattern through the LCD panel prosthetic device of the embodiment of the invention to the substrate transfer printing.

Figure 13 is the cut-open view of the structure of the LCD panel prosthetic device of other embodiment of expression the present invention.

Main symbol description:

10 is first substrate, and 11 is first basal substrate, and 12 is gate electrode, and 13 is dielectric film, and 14 is semiconductor layer, and 15a is the source electrode, and 15b is a drain electrode, and 16 is diaphragm, and 17 is pixel electrode, and 18 is storage electrode, and 20 is liquid crystal layer, and 30 is second substrate.

Embodiment

Below, with reference to the description of drawings embodiments of the invention.

As shown in Figure 1, the LCD panel comprises first substrate 10, second substrate 30, liquid crystal layer 20.First substrate 10 and second substrate 30 are provided with at sandwich liquid crystal layer 20 Face to face.

The pixel portions that first substrate 10 can comprise a plurality of signal wires and be electrically connected with these signal wires.

Second substrate 30 and first substrate 10 are provided with Face to face.Second substrate 30 can comprise the common electrode 35 that is formed on the whole base plate face, and this common electrode 35 is made up of transparent conductive material.

Usually, first substrate 10 is called array base palte, second substrate 30 is called filter substrate.

Liquid crystal layer 20 is between first substrate 10 and second substrate 30.The arrangement of liquid crystal layer 20 is changed by the electric field that generates between pixel portions and the common electrode 35.When the arrangement of liquid crystal layer 20 changed, the light transmission rate of liquid crystal layer 20 changed, and image can be shown to the outside thus.

First substrate 10 comprise transparent first basal substrate 11 that constitutes by glass etc., the thin film transistor (TFT) TFT that plays on-off action, with state that this thin film transistor (TFT) TFT is connected under corresponding to the pixel electrode 17 of pixel portions; Wherein, above-mentioned thin film transistor (TFT) TFT is formed at and on this first basal substrate 11, faces in length and breadth to the place, point of crossing that is arranged in rectangular a plurality of gate lines and data line.

Pixel electrode 17 plays from thin film transistor (TFT) TFT and receives signal, and to the effect of the opposite side electrode of the liquid crystal applied voltages of liquid crystal layer 20.Here, the part that will be formed with pixel electrode 17 is called pixel portions.

Thin film transistor (TFT) TFT comprise by gate line divide the gate electrode 12 of expenditure, between gate line and data line, form whole dielectric film 13 containing first basal substrate 11 for the insulation between gate line and the data line, the source electrode 15a that pays as the semiconductor layer 14 of the semiconductor material of carrier (carrier) movable passageway of electronics (electron) or hole (hole) etc., by the data line branch, the drain electrode 15b that links to each other with pixel electrode 17.

Here, the symbol that do not describe 16 is diaphragm, and for protective film transistor T FT, diaphragm is formed on the top of thin film transistor (TFT) TFT on whole of substrate.The symbol 18 that does not describe is for constituting the storage electrode of holding capacitor (Storage capacitor).Holding capacitor plays the picture element signal that is charged to pixel electrode 17 stably is maintained to till next picture element signal is recharged.This storage electrode 18 is by forming with gate electrode 12 identical metals.

Second substrate 30 comprises the second transparent basal substrate 31, and the black matrix" 32 that order forms below this second basal substrate 31 comprises the colour filter 33 of these three kinds of color filters of red, green, blue, sheathcoat 34 and common electrode 35.

Black matrix" 32 is through covering the non-image areas such as gate line, data line and thin film transistor (TFT) TFT on first substrate 10; Expose the image-region that shows the image that the actual user of allowing sees through the permutations of liquid crystal molecule, particularly expose part corresponding to pixel electrode 17.

Colour filter 33 comprises these three kinds of color filters of red, green, blue, and these color filters are with the state repeated arrangement corresponding to each pixel portions of array base palte, with the light of reflection specific wavelength band.

Common electrode 35 is made up of transparent conductive metal.Common electrode 35 plays the effect to a lateral electrode of the liquid crystal applied voltages that is filled into liquid crystal layer 20.

Because first substrate 10 and second substrate 30 clip liquid crystal layer 20 and be arranged to make each pixel electrode 17 face-to-face with common electrode 35; Therefore the periphery at two

substrates

10,30 forms seal pattern (seal pattern), keeps gap (cell gap) to inject liquid crystal thus and combines two substrates to prevent spilling of liquid crystal.

In addition, in order to show reliable image, first and second substrates 10, need keep certain interval between 30, that is, will keep certain by the gap (cell gap) of the thickness definition of liquid crystal layer 20.For this reason, form space (spacer) 21 between two substrates.

Here, the medial surface of first substrate 10 and second substrate 30 is formed with first alignment film 19 and second alignment film 36 respectively, and liquid crystal layer 20 is through the initial alignment direction of

alignment film

19,36 decisions.

Below, the process of in the LCD panel, repairing first substrate is described.

Fig. 2 is the figure of structure that first substrate of the LCD panel of using the embodiment of the invention is shown.Fig. 3 to Fig. 6 is the figure of the form of the gate pattern of first substrate of expression shown in the pie graph 2, insulating film pattern, semiconductor layer pattern, source/drain electrode pattern.

The figure of the process that Fig. 7 repairs first substrate of the LCD panel of having used the embodiment of the invention for expression.

As shown in Figure 7, when on first substrate 10 bad defective taking place (with reference to Fig. 7 (A)), remove the presumptive area K (with reference to Fig. 7 (B)) that in first substrate 10, comprises bad generation area Q with laser beam.At this moment, shown in Fig. 7 (B), remove gate pattern, insulating film pattern and the source/drain electrode pattern that on presumptive area K, has covered first basal substrate 11, to expose undermost first basal substrate 11 that in presumptive area K, is positioned at first substrate 10.

Remove after the presumptive area K; On the zone that is removed,

use galley

100a, 100b, 100c respectively; Through being used for forming the hectographic printing mode of repairing pattern; The reparation pattern R3 of the reparation pattern R2 of the reparation pattern R1 of the gate pattern that order formation is removed, the insulating film pattern that is removed, the source/drain electrode pattern that is removed is to repair first substrate.

That is, removing on first basal substrate 11 of presumptive area K, using the hectographic printing mode to form the reparation pattern R1 (with reference to Fig. 7 (C)) of the gate pattern that is removed.

After forming reparation pattern R1, use the hectographic printing mode to form the reparation pattern R2 (with reference to Fig. 7 (D)) that is positioned at insulating film pattern its upper strata, that be removed.

After forming reparation pattern R2, use the hectographic printing mode to form the reparation pattern R3 (with reference to Fig. 7 (E)) that is positioned at source its upper strata, that be removed/drain electrode pattern.

Thus, the defective region of first substrate 10 can be repaired into normal zone.

Fig. 8 is used to form the figure of the shape of the galley of respectively repairing pattern R1, R2, R3 shown in Fig. 7 for expression.

As shown in Figure 8, be formed with on the first galley 100a corresponding to first of the reparation pattern R1 of the gate pattern that is removed and repair pattern groove r1.And, be formed with the second reparation pattern groove r2 on the second galley 100b corresponding to the reparation pattern R2 of the insulating film pattern that is removed.And, be formed with the 3rd reparation pattern groove r3 on the 3rd galley 100c corresponding to the reparation pattern R3 of the source that is removed/drain electrode pattern.Use these

galley

100a, 100b, 100c to form the process of repairing pattern respectively, will be explained hereinafter.

The hectographic printing mode can not be directly printed onto through galley and be printed thing, but is transferred to earlier on the blanket that plays the intermediate effect, is printed onto then and is printed thing.

The hectographic printing mode comprises intaglio offset (Gravure Offset) mode or counter-rotating offset printing (Reverse Offset) mode.Can select intaglio offset mode or counter-rotating offset printing mode according to properties of materials (for example, viscosity etc.).

Fig. 9 uses the intaglio offset mode for expression and forms the figure of the process of the reparation pattern shown in Fig. 7.

As shown in Figure 9, the intaglio printing mode uses the galley of the groove 101 that is carved with recessed pattern (for example, cliche) 100 to form the reparation pattern.At first; Surperficial filling ink in galley 100; Use doctor blade 120 wipeing off then with galley 100 with having an even surface; Thereby filling ink 110 in the groove 101 of galley 100 only; With after being filled into ink 110 in the groove 101 and being transferred to transfer member 130; The ink 110 that is transferred on the transfer member 130 is transferred on the desired position of substrate 140, repairs pattern thereby on substrate 140, form.Here, can use rubber to stab (Blanket Stamp) or rubber swing roller (Blanket Roll) as transfer member 130.

Be further elaborated to using the intaglio offset mode to form the process of repairing pattern.

At first, filling ink 110 in the groove 101 of the galley 100 that is carved with groove 101, this groove 101 is corresponding to the reparation pattern that will on substrate 140, form.

In the groove 101 of galley 100 during filling ink; Coated pattern forms with after the ink 110 on galley 100; The state of doctor blade 120 contact print versions 100 is wipeed off down; Along with moving of doctor blade 120; In groove 101, in the filling ink 110, remove the ink 110 (with reference to Fig. 9 (A)) that remains in galley 100 surfaces.

Be filled on the surface of transfer member 130 on surface that inks 110 in galley 100 grooves 101 are transferred to contact print version 100 (with reference to Fig. 9 (B), (C)).At this moment, transfer member 130 form with the identical width of width of reparation pattern of the display element that will make, with the identical length of length of repairing pattern.Therefore, through primary transfer, the ink 110 that gets final product in the groove 101 that will be filled into galley 100 all is transferred on the surface of transfer member 130.

After this, go up desired position on transfer member 130 contact substrates 140 that transfer printing has ink 110 through making the surface, thereby the ink 110 that will be transferred to transfer member 130 is transferred to (with reference to Fig. 9 (D)) on the substrate 140 again.Thus, on substrate 140, form the reparation pattern.

As stated; Can make galley 100 and transfer member 130 according to the size of the reparation pattern of desired display element; And can pass through primary transfer, can on substrate 140, form and repair pattern, so the pattern of large tracts of land display element also can form through an operation.

In above-mentioned intaglio offset mode, be illustrated on substrate 140, forming the example of repairing pattern, but be not limited thereto.That is, replace substrate 140, can go up to form at the machined layer above being formed at substrate 140 (for example, gate electrode, dielectric film, source/drain electrode, gate line, data line or the pixel electrode of thin film transistor (TFT) (TFT)) and repair pattern.

Figure 10 forms the figure of the process of the reparation pattern shown in Fig. 7 with counter-rotating offset printing mode for expression.

As shown in figure 10; On the transfer member on the glass plate 150 130, apply ink 110; Use is formed with the galley 100 of the groove 101 of the shape opposite with repairing pattern; Removing unwanted ink part; Then in the same way; Desired position at substrate 140 is carried out transfer printing, repairs pattern thereby on substrate 140, form.

Below, the LCD panel prosthetic device of the embodiment of the invention is described.Here, for the ease of explanation, be that example describes with substrate reparation to the LCD panel.

Figure 11 is the figure of the structure of the LCD panel prosthetic device of the expression embodiment of the invention.

The printing element 230 of the reparation pattern of the bad pattern that the LCD panel prosthetic device that as shown in figure 11, the embodiment of the invention provided comprises stand 200, printing is removed on substrate 222, be used for moving this printing element 230 printing element mobile device 240, be used to remove the bad pattern of substrate 222 laser beam device 250, this laser beam device 250 is moved to the laser beam mobile device 200 of desired position, the control device 270 that carries out whole control.Wherein, the substrate stage 220 that stand 200 is provided with the substrate 222 that is used to carry the LCD panel be used to carry the galley platform 210 of galley 212, be formed with groove on this galley 212 with the reparation pattern same modality of the bad pattern of substrate 222.

Control device 270 moves to laser beam device 250 after the zone of the bad pattern that substrate 222 has taken place laser beam mobile device 260, the bad pattern that control laser beam device 250 is removed substrate 222.

And; After the bad pattern of removing substrate 222; Control device 270 makes printing element mobile device 260 that printing element 230 is moved to the zone of galley 212 residing positions, and control printing element 230 forms repairs patterns, and with formed reparation pattern transfer to substrate 222.Thus, the bad pattern of repaired substrate 222.For example; Filling ink in the groove 214 of control device 270 control printing elements 230 on being formed at galley 212; And the ink pattern of being filled is transferred on the zone that has been removed bad pattern in the substrate 222, thus to the bad pattern place under repair of substrate 222.

And the LCD panel prosthetic device that the embodiment of the invention provided can comprise device for image and means for correctings such as camera, and device for image is used to confirm substrate or the ad-hoc location of galley on the stand, and means for correcting is used for the location of various devices.

Galley platform 210 is that the galley 212 that is carved with the pattern of given shape is equipped on the building block above it.Therefore, galley platform 210 preferably further comprises the galley fixed part, is fixed in work progress with the galley 212 of will be carried and can move.

By carrying in the galley on the galley platform 210 212 is to be carved with the tabular building block (with reference to 100a and even the 100c of Fig. 8) that will be formed on the specific pattern form on the substrate 222.This galley can be changed in work progress, when carrying out with a kind of operation continuously, uses continuously with the state that is fixed on the galley platform.

Substrate stage 220 and galley platform 210 are set up in parallel with the galley platform across predetermined spacing, and substrate 222 is placed on its top.Here, highly identical above the substrate 222 on the height of substrate stage 220 preferably is adjusted to and makes height above the galley that is equipped on the galley platform 210 212 and be equipped on substrate stage 220.

Substrate stage 220 is fixed in stand 200 with galley platform 210, to prevent that the position changes in work progress.

Substrate stage 220 can change the position with galley platform 210 on stand 200 in the preparation of construction process, but when being fixed to certain location, being combined in work progress and can not moving.

Printing element 230 comes and goes at the upside of the upside of galley platform 220 and substrate stage 210 and moves, and plays the effect of pattern transfer to the substrate 222 that will be formed on the galley 212.

Printing element 230 comprises that scraper 232 is filled by ink feed portion 231, ink, excess ink is removed scraper 233 and transfer printing roller 234.

The effect of the ink I of supply scheduled volume above the galley 212 on being equipped on galley dull and stereotyped 210 is played by ink feed portion 231.

The ink that ink filling scraper 232 will be fed on the galley 212 is filled in the groove 214 that is formed on above the galley.For this reason, ink is filled scraper 232 and is formed the sheet material shape that has with the roughly the same length of the width of galley 212.And ink is filled under the state of scraper 232 certain intervals on apart from galley 212, Yi Bian move horizontally, Yi Bian on galley, will be certain thickness by the ink tiling that ink feed portion 231 is fed to above the galley.So, in the process that ink is tiled equably above the galley, ink is filled in the groove 214 that is formed at above the galley.

Excess ink is removed scraper 233 and is played and above galley 212, remove the effect that is filled into remaining ink after the groove 214.This excess ink is removed scraper 233 and is formed and ink filling scraper 232 similar shapes, but it is provided with the position difference.That is, ink is filled scraper 232 and is set to the state apart from the top certain intervals of galley 212, but excess ink is removed scraper 233 and is set to contact with the top of galley 212.Therefore, can above galley, remove excess ink outside the ink of the groove 214 that is filled into galley 212.

Ink is filled the form that scraper 232 is set to fill towards this ink the upper end of the direction hang plate that scraper 232 moves horizontally, and considers the aspect of the even filling of China ink, and this is a kind of preferred version.In addition, excess ink is removed the form of upper end that scraper 233 is set to remove towards this excess ink the opposite direction hang plate of the direction that scraper 233 moves horizontally, and this can intactly remove the excess ink on the galley, is a kind of preferred version.

Be rotated mobilely above the transfer printing roller 234 contact print versions 212, play in statu quo being transferred to after the surface, it is printed onto the effect above the substrate being filled into ink in the groove 214.Transfer printing roller 234 wraps up cylindric roller 234a by certain thickness blanket 234b and forms.This blanket 234b is a kind of cover, constitutes the surface of parcel roller 234a.This blanket 234b should by the ink in the groove 214 that is filled into galley 212 easily bonded material constitute, and consider that easy contact is filled into the ink in the groove 214 of galley 212, the material that has retractility is a little used by preferred.

Printing element mobile device 240 plays the effect that printing element 230 is moved towards horizontal direction, vertical direction and above-below direction.Printing element mobile device 240 is mobile printing unit 230 in following process; That is, filling ink on the galley 212, the process that moves to the desired position on the substrate 222 in the process of carrying out transfer printing on the transfer printing roller 234, from galley 212, will be transferred to transfer printing roller 234 pattern transfer to substrate 222.

And printing element mobile device 240 can also position printing element 230.That is, printing element mobile device 240 makes printing element 230 towards moving horizontally the position of decision pattern transferring on substrate with the dull and stereotyped direction vertical with the orientation of base plate of galley.

Figure 12 A and even Figure 12 E use the LCD panel prosthetic device of the embodiment of the invention to repair the figure of the process of pattern to the substrate transfer printing for expression.

Shown in Figure 12 A, through driving ink feed portion 231, the ink I of supply scheduled volume on galley 212.At this moment, the amount by the ink of ink feed portion 231 supply should be for also having remaining amount behind the top that covers whole printed panel 212.And the supply position of ink is preferably a side of galley 212.If ink is supplied to the centre position of galley, then in follow-up ink filling process, the number of times that moves horizontally of ink infill panel 232 is increased, cause the engineering time elongated.

Then, shown in Figure 12 B, use ink to fill scraper 232, spread to equably on whole of galley being fed to ink I above the galley 212, thus filling ink in the whole grooves 214 on be formed at galley.

Then, shown in Figure 12 C, use excess ink to remove scraper 233 and remove the ink I beyond the ink that is filled in the groove 214, promptly remove the ink I that remains in above the galley.Being filled into ink in the groove 214 can be through follow-up transfer printing and printing process and be formed on the substrate as pattern; But for the ink beyond the ink in being filled into groove 214; In order to prevent to be printed onto on the substrate 222 and to form the pattern outside the expectation, need remove fully by transfer printing roller 234.For this reason, in the present embodiment, make excess ink remove of the opposite direction inclination of the lower surface of scraper 233, thereby when moving horizontally, remove the excess ink that exists above the galley fully towards its moving direction.

Then, shown in Figure 12 D, carry out transfer process, Yi Bian transfer printing roller 234 is filled with contact be rotated under the top state of galley of ink mobile, Yi Bian will be filled into the surface of the ink transfer of the groove 214 above the galley to blanket 234b.

At this moment, be formed at the pattern on the galley 212, its size should in statu quo be transferred on the blanket with the interval.For this reason, should adjust the rotational speed of transfer printing roller and move horizontally speed with very high degree of precision.

And,, transfer printing roller 234 is pressurizeed a little, on one side to galley 212 Yi Bian carry out transfer process for the ink in the groove 214 that will be filled into galley 212 is transferred on the blanket 234b fully.

Then; Shown in Figure 12 E; Use printing element mobile device 240 that printing element 230 is moved to printing beginning zone, be rotated mobilely then under the top state with transfer printing roller 234 contact substrates 222, the ink of transfer printing on transfer printing roller 234 is printed onto substrate surface.

Figure 13 is the figure of the structure of the LCD panel prosthetic device of other embodiment of expression the present invention.

As shown in figure 13, the LCD panel prosthetic device of other embodiment of the present invention comprises stand 300, base plate 310 and printing element 320.And though do not illustrate, the LCD panel prosthetic device of other embodiment of the present invention comprises the printing element mobile device that printing element 320 can be moved to X-axis, Y-axis, Z axle.

Base plate 310 constitutes the structure identical with base plate illustrated in fig. 11 210.

Printing element 320 plays the effect of the specific pattern of printing above the substrate 312 on being equipped on base plate 310.Printing element 320 comprises printing roller 321, ink feed portion 322, ink infill panel 323, excess ink is removed scraper 324 and transfer printing roller 325.

Printing roller 321 is for being formed with the cylindric roller of certain groove 321a on the surface.This is the building block corresponding to the galley among Figure 11 210, and its surface is formed with the groove 321a corresponding to the pattern that need on substrate 312, form.If use the printing roller, it is dull and stereotyped to omit specific galley, can reduce the shared area of device.

Printing roller 321 rotates with transfer printing roller 325 identical speed in the process of transfer printing roller 325 pattern transferrings, and therefore having with its central shaft is the structure that rotation center is rotated driving.

Ink feed portion 322 is to the ink I of the surface of printing roller 321 supply scheduled volume; The ink that ink infill panel 323 will be fed to the surface of printing roller 321 is filled among the groove 321a that is formed on the printing roller surface, and excess ink is removed scraper 324 residual ink after the printing roller surface is removed filling slot 321a.

Transfer printing roller 325 is rotated with the state on the surface of contact print roller 321 on one side, on one side the ink pattern that will be filled among the groove 321a in statu quo carry out transfer printing, thereby with its be printed onto substrate 312 above.This transfer printing roller 325 constitutes and prints under roller 321 state of contact, can be the structure that rotation center is rotated with its central shaft.Here, the diameter of transfer printing roller 325 is preferably roughly the same with the diameter of printing roller 321, and its rotational speed is also preferably identical, the pattern on the printing roller 321 in statu quo can be transferred on the transfer printing roller 325 like this.

Claims

1. a display panels prosthetic device is characterized in that, comprises:

Laser beam device, the bad pattern that is used to remove the LCD panel;

The laser beam mobile device is used for moving said laser beam device;

Galley, it is formed with the corresponding groove of reparation pattern with the bad pattern of said LCD panel;

Stand is used to carry said LCD panel and galley;

Printing element is used for forming said reparation pattern being formed at the groove filling ink on the said galley, and with formed reparation pattern transfer to said LCD panel;

The printing element mobile device is used for moving said printing element;

Control device is used to control the bad pattern that said laser beam device is removed said LCD panel, controls said printing element and forms said reparation pattern and be transferred on the said LCD panel.

2. display panels prosthetic device according to claim 1 is characterized in that, said printing element comprises:

Ink feed portion is used for supplying ink to the groove of said galley;

Scraper is removed remaining ink behind the groove of filling said galley above said galley;

Transfer member, the ink pattern that is used for being filled into said groove is transferred to the surface, and the ink pattern of this transfer printing is transferred on the said LCD panel.

3. display panels prosthetic device according to claim 2; It is characterized in that; Said transfer member comprises stamp; This stamp contacts with the top of said galley; Ink pattern will be filled in the said groove is transferred to the surface; And contact with said LCD panel, be transferred on the said LCD panel with the ink pattern that will be transferred to said surface.

4. display panels prosthetic device according to claim 3; It is characterized in that; Said transfer member comprises the transfer printing roller; This transfer printing roller is rotated mobile with the state that contacts above the said galley; Ink pattern will be filled in the said groove is transferred to the surface; And be rotated mobilely with the state that contacts said LCD panel, be transferred on the said LCD panel with the ink pattern that will be transferred to said surface.

5. display panels prosthetic device according to claim 4 is characterized in that, said transfer printing roller comprises cylindric roller and the blanket that is used to wrap up said roller.

6. a display panels prosthetic device is characterized in that, comprises:

Laser beam device, the bad pattern that is used to remove the LCD panel;

The laser beam mobile device is used for moving said laser beam device;

Stand is used to carry said LCD panel;

Printing element is used to form the reparation pattern of the bad pattern of said LCD panel, and with formed reparation pattern transfer to said LCD panel;

The printing element mobile device is used for moving said printing element;

7. display panels prosthetic device according to claim 6 is characterized in that, said printing element comprises:

The printing roller is formed with the groove with said reparation pattern same modality on its surface, and is that rotation center is rotated with the central shaft;

Ink feed portion is used for to the surface of said printing roller supply ink;

Scraper is removed remaining ink behind the groove of filling said printing roller from the surface of said printing roller;

The transfer printing roller, the surperficial state of contact of itself and said printing roller is rotated, and the ink pattern that is filled in the groove of said printing roller is transferred to the surface, and the ink pattern of this transfer printing is transferred to said LCD panel.

8. a display panels restorative procedure is characterized in that, comprises step:

Remove the bad pattern of LCD panel by laser beam;

Filling ink in the groove of galley is formed with the groove with the reparation pattern same modality of the said bad pattern that is removed on this galley;

The surface that ink pattern in the groove of said galley is transferred to transfer member will be filled into;

The ink offset that is transferred to the surface of said transfer member is arrived said LCD panel.

9. display panels restorative procedure according to claim 8 is characterized in that, with said ink offset in the step on the surface of transfer member, said transfer member is swing roller or stamp.