Summary of the invention:
In order effectively to solve the problems of the technologies described above, one of them purpose of the present invention is to provide a kind of liquid crystal display processing panel, and another purpose is to provide a kind of method that forms alignment film.The method of this formation alignment film and liquid crystal display processing panel both can be common to the roller of various sizes, base material, with the simplest mode alignment film liquid is transferred to tram on the base material, can not make simultaneously other zone on the base material again, for example frame glue zone is affected, so save Production Time, cost and guarantee the desirable quality of liquid crystal display processing panel finished product.
The present invention at first provides a kind of liquid crystal display processing panel, this liquid crystal display processing panel comprises substrate, lay respectively at first viewing area and second viewing area on the substrate, center on first black matrix area and second black matrix area of first viewing area and second viewing area respectively, surround the cutting zone of first black matrix area and second black matrix area, be positioned on the cutting zone and the first frame Jiao Qu of contiguous first black matrix area, be positioned on the cutting zone and the second frame Jiao Qu of contiguous second black matrix area, and first barricade and second barricade, it lays respectively on first black matrix area and second black matrix area.The preferably, substrate can be colored filter substrate, integrated colored filter substrate (color filter onarray, COA) or thin film transistor base plate.
The present invention provides another kind of liquid crystal display processing panel again, this liquid crystal display processing panel comprises substrate, lay respectively at first viewing area and second viewing area on the substrate, center on first black matrix area and second black matrix area of first viewing area and second viewing area respectively, surround the cutting zone of first black matrix area and second black matrix area, be positioned on the cutting zone and be respectively adjacent to first black matrix area and the first frame Jiao Qu of second black matrix area and the second frame Jiao Qu, and be positioned on the cutting zone, first barricade between the first frame Jiao Qu and the second frame glue interval, make win barricade respectively distance first black matrix area and second black matrix area less than a preset distance.The preferably, substrate can be colored filter substrate, integrated colored filter substrate or thin film transistor base plate.
The present invention provides another kind of liquid crystal display processing panel again, this liquid crystal display processing panel comprises substrate, lay respectively at first viewing area and second viewing area on the substrate, center on first black matrix area and second black matrix area of first viewing area and second viewing area respectively, surround the cutting zone of first black matrix area and second black matrix area, be positioned on the cutting zone and be respectively adjacent to first black matrix area and the first frame Jiao Qu of second black matrix area and the second frame Jiao Qu, and being positioned at first barricade and second barricade on the cutting zone, the spacing that makes the spacing of the win barricade and first black matrix area and second barricade and this second black matrix area is respectively less than a preset distance.The preferably, substrate can be colored filter substrate, integrated colored filter substrate or thin film transistor base plate.
The present invention more provides a kind of method that forms alignment film.At first, provide patternless printing roller in order to printing alignment film liquid.Secondly, provide a liquid crystal display processing panel, first black matrix area and second black matrix area that it comprises first viewing area and second viewing area and centers on first viewing area and second viewing area respectively.Use the printing roller that alignment film liquid is transferred in first viewing area and second viewing area to form alignment film then, wherein first black matrix area does not contact the first frame Jiao Qu and the second frame Jiao Qu with the feasible alignment film liquid that prints roller of the configuration of second black matrix area.The preferably, liquid crystal display processing panel can be colored filter substrate, integrated colored filter substrate or thin film transistor base plate.
The present invention has the liquid crystal display processing panel that comprises barricade.Because the existence of barricade, when making these liquid crystal indicators, can use the simplest mode, use patternless plane roller that alignment film liquid is transferred to tram on the liquid crystal display processing panel.Roller is common to the display panels of various sizes and product specification owing to patternless putting down, therefore both need not design specialized in the patterning roller of the display panels of specific dimensions and product specification, promptly applicable to various liquid crystal display processing base materials, the cost of design specialized roller and the time of replacing under saving, in addition, frame glue zone is affected, keeps the desirable quality of liquid crystal indicator finished product.Also have, the present invention forms the method for alignment film, not only with the processing procedure compatibility of existing making liquid crystal indicator, can also solve the shortcoming in the Prior Art, has the advantage of achieving many things at one stroke.
Embodiment:
Fig. 2 is the top view of liquid crystal display processing panel preferred embodiment of the present invention.First embodiment of the invention liquid crystal display processing panel 201 comprises the zone of a plurality of predetermined each display panels of formation, for example first viewing area 221, second viewing area 222, and isolated by cutting zone 240, and each predetermined zone that forms display panels comprises the periphery that first black matrix area 231, the first frame glue district 251 and second black matrix area 232, the second frame glue district 252 are relatively arranged on first viewing area 221 and second viewing area 222 again respectively.Wherein, each viewing area can prepare the display panels of same size and product specification, but the invention is not restricted to this, and each viewing area also can be used to prepare the display panels of different size and product specification.In addition, in preferred embodiment of the present invention, liquid crystal display processing panel 201 can be glass substrates (glasssubstrate) such as colored filter substrate, integrated colored filter substrate or thin film transistor base plate.When if liquid crystal display processing panel 201 is colored filter substrate, integrated colored filter substrate, in each viewing area on the liquid crystal display processing panel 201, be formed with at least one colored filter (figure does not show) respectively, for example Red lightscreening plate, green color filter and blue color filter.Then be formed with the thin film transistor (TFT) (figure does not show) that is used for controlling liquid crystal in each viewing area on the liquid crystal display processing panel 201 respectively again or liquid crystal display processing panel 201 when being thin film transistor base plate.
First viewing area 221 and 222 of second viewing areas lay respectively on the liquid crystal display processing panel 201.No matter liquid crystal display processing panel 201 of the present invention is colored filter substrate, integrated colored filter substrate or thin film transistor base plate, colored filter or thin film transistor (TFT) promptly lay respectively in first viewing area 221 and second viewing area 222, and are centered on by first black matrix area 231 and second black matrix area 232 again respectively.And when being integrated colored filter substrate or thin film transistor base plate, established metal level (figure does not show), dielectric layer (figure does not show), silicon layer (figure does not show) or protective seam (figure does not show) or the like material layer on each viewing area in advance as if liquid crystal display processing panel 201.
Around first black matrix area 231 of first viewing area 221 and second viewing area 222 and second black matrix area 232 except being used for defining first viewing area 221 and second viewing area 222, and can avoid the light of backlight module (figure does not show) to spill, strengthen the contrast of image.Usually use metal oxide or nitride, for example, form first black matrix area 231 and second black matrix area 232.
Surround first viewing area 221, second viewing area 222, first black matrix area 231 and second black matrix area 232 and be cutting zone 240.In addition, the first frame glue district 251 and the second frame glue district 252 also can be positioned on the cutting zone 240.Cutting zone 240 is made for after liquid crystal display processing panel 201 is finished, and cuts the usefulness that becomes each panel finished product.The first frame glue district, 251 contiguous first black matrix area 231, similarly, the second frame glue district, 252 contiguous second black matrix area 252 as the usefulness of sticking together upper ledge, are for example sticked together colored filter substrate, integrated colored filter substrate or the usefulness of thin film transistor base plate respectively.The common first frame glue district 251 and the second frame glue district 252 are parallel to first black matrix area 231 and second black matrix area 232 and are provided with.
First embodiment:
The present invention at first provides a kind of liquid crystal display processing panel.Fig. 3 illustrates the A-A ' cut-open view of liquid crystal display processing panel of the present invention along Fig. 2.As shown in Figure 3, if when using patternless plane roller 210 to be transferred to alignment film liquid 211 on the liquid crystal display processing panel 201 comprehensively, the first frame glue district 251 and the second frame glue district 252 probably can lose stickiness because being stained with alignment film liquid 211, the follow-up upper ledge that will go up (figure does not show) firmly can't be sticked together.In order to solve these problems, be provided with one group of first barricade 261 and second barricade 262 on the liquid crystal display processing panel 201 of the present invention especially, can prevent that alignment film liquid 211 from polluting the first frame glue district 251 and the second frame glue district 252.
First barricade 261 promptly is arranged on first black matrix area 231, and similarly, 262 of second barricades are arranged on second black matrix area 232, as shown in Figure 3.Under the assistance of first barricade 261 and second barricade 262, when using patternless plane roller 210 to be transferred to alignment film liquid 211 on the liquid crystal display processing panel 201 comprehensively, the first frame glue district 251 and the second frame glue district 252 just can be because of the obstructs of first barricade 261 and second barricade 262, make alignment film liquid 211 can not contact the first frame glue district 251 and the second frame glue district 252, so avoid alignment film liquid 211 to pollute the first frame glue district 251 and the second frame glue district 252, cause the first frame glue district 251 and the second frame glue district 252 to lose stickiness, and then influence the quality of liquid crystal indicator finished product.
First barricade 261 and second barricade 262 can independently comprise firm material respectively.With liquid crystal display processing panel 201 is that colored filter substrate or integrated colored filter substrate are example, make first barricade 261 and second barricade 262 can also be with the processing procedure compatibility of existing making liquid crystal indicator the time if will consider, first barricade 261 and second barricade 262 can independently comprise at least one color filter layers respectively, for example, in Red lightscreening plate, green color filter and the blue color filter at least one makes win barricade 261 and second barricade 262 have enough height.Or; when liquid crystal display processing panel 201 is thin film transistor base plate; (photo etching process, PEP) processing procedure prepares first barricade 261 and second barricade 262 of enough height simultaneously then can to utilize little shadow of each metal level on each viewing area (figure do not show), dielectric layer (figure does not show), silicon layer (figure does not show) or protective seam material layers such as (figure do not show) and etching.So when enough hour of the spacing of first black matrix area 231 and second black matrix area 232, first barricade 261 and second barricade 262 can be brought into play the effect of obstruct, make alignment film liquid 211 can not contact the first frame glue district 251 and the second frame glue district 252.
If the spacing of first black matrix area 231 and second black matrix area 232 is inadequately little, make when laying respectively at first black matrix area 231 and first barricade 261 on second black matrix area 232 contacting the first frame glue district 251 and the second frame glue district 252 with second barricade, 262 deficiency obstruct alignment film liquid 211, the present invention can arrange first barricade 261 and second barricade 262 in other position in addition, reaches desired effect.
Second embodiment:
Secondly the present invention provides another kind of liquid crystal display processing panel.Fig. 4 illustrates another preferred embodiment of liquid crystal display processing panel of the present invention, for along Fig. 2 A-A ' tangent line cut-open view.Please refer to Fig. 4, second embodiment of the invention liquid crystal display processing panel 202 comprises first viewing area 221, second viewing area 222, first black matrix area 231, second black matrix area 232, cutting zone 240, the first frame glue district 251 and the second frame glue district 252.Liquid crystal display processing panel 202, first viewing area 221, second viewing area 222, first black matrix area 231, second black matrix area 232, cutting zone 240, the first frame glue district 251 and the second frame glue district 252 all are similar among foregoing first embodiment haply among second embodiment, be used for constituting the display panels of same size and product specification or the display panels of different size and product specification, seldom give unnecessary details in this.
If the spacing of first black matrix area 231 and second black matrix area 232 is inadequately little, make when laying respectively at first black matrix area 231 and first barricade 261 on second black matrix area 232 contacting the first frame glue district 251 and the second frame glue district 252 with second barricade, 262 deficiency obstruct alignment film liquid 211, liquid crystal display processing panel 202 of the present invention promptly can arrange first barricade 261 to be positioned on the cutting zone 240, between the first frame glue district 251 and the second frame glue district 252, make win barricade distance first black matrix area and second black matrix area respectively less than a preset distance.These preset distances depend on the circumstances, purpose is will make when using patternless plane roller 210 to be transferred to alignment film liquid 211 on the liquid crystal display processing panel 202 comprehensively, because the support of first barricade 261 and obstruct are down, as shown in Figure 4, alignment film liquid 211 on the plane roller 210 just can be far away excessively because of distance cutting zone 240, and can't contact the first frame glue district 251 and the second frame glue district 252, so avoid alignment film liquid 211 to pollute the first frame glue district 251 and the second frame glue district 252, cause the first frame glue district 251 and the second frame glue district 252 to lose stickiness, and then influence the quality of liquid crystal indicator finished product.
First barricade 261 can comprise firm material.With liquid crystal display processing panel 201 is that colored filter substrate or integrated colored filter substrate are example, make first barricade 261 when can be with the processing procedure of existing making liquid crystal indicator compatible if will consider, first barricade 261 can comprise material and/or at least one color filter layers of black matrix area, for example, in Red lightscreening plate, green color filter and the blue color filter at least one makes the barricade of winning have enough height.Or; when liquid crystal display processing panel 201 is thin film transistor base plate, then can utilize each metal level on each viewing area (figure does not show), dielectric layer (figure does not show), silicon layer (figure does not show) or little shadow of protective seam material layers such as (figure do not show) and first barricade 261 and second barricade 262 that etching (PEP) processing procedure prepares enough height simultaneously.So first barricade 261 can be brought into play the effect of obstruct, make alignment film liquid 211 can not contact the first frame glue district 251 and the second frame glue district 252.
If the spacing of first black matrix area 231 and second black matrix area 232 is wide, when feasible first barricade, the 261 not enough obstruct alignment film liquid 211 that are positioned on the cutting zone 240 contacted the first frame glue districts 251 and the second frame glue district 252, the present invention can also increase second barricade in addition newly and reach desired effect.
The 3rd embodiment:
The present invention continues to provide again another kind of liquid crystal display processing panel.Fig. 5 illustrates the another preferred embodiment of liquid crystal display processing panel of the present invention, along Fig. 2 tangent line A-A ' cut-open view.Please refer to Fig. 5, third embodiment of the invention liquid crystal display processing panel 203 comprises first viewing area 221, second viewing area 222, first black matrix area 231, second black matrix area 232, cutting zone 240, the first frame glue district 251 and the second frame glue district 252.Liquid crystal display processing panel 203, first viewing area 221, second viewing area 222, first black matrix area 231, second black matrix area 232, cutting zone 240, the first frame glue district 251 and the second frame glue district 252 are similar to first embodiment as previously mentioned haply among the 3rd embodiment, can be used to constitute required display panels, seldom give unnecessary details in this.
If the spacing of first black matrix area 231 and second black matrix area 232 is wide, when feasible first barricade, the 261 not enough obstruct alignment film liquid 211 that are positioned on the cutting zone 240 contacted the first frame glue districts 251 and the second frame glue district 252, liquid crystal display processing panel 203 of the present invention can additionally increase second barricade 262 again newly and reach desired effect.
First barricade 261 is positioned on the cutting zone 240 and contiguous first black matrix area 231, and the spacing that makes the win barricade 261 and first black matrix area 231 is less than a preset distance.Second barricade 262 as first barricade 261, also is positioned on the cutting zone 240 but contiguous second black matrix area 232, so the spacing of second barricade 262 and second black matrix area 232 is less than a preset distance.These preset distances depend on the circumstances.Purpose is will make when using patternless plane roller 210 to be transferred to alignment film liquid 211 on the liquid crystal display processing panel 202 comprehensively, because the position of first barricade 261 and second barricade 262 is arranged quite near first black matrix area 231, second the black matrix area 232 and first frame glue district 251 and the second frame glue district 252 are inserted and put wherein respectively, as shown in Figure 5, alignment film liquid 211 on the plane roller 210 just can be far away excessively because of distance cutting zone 240, and can't contact the first frame glue district 251 and the second frame glue district 252, so avoid alignment film liquid 211 to pollute the first frame glue district 251 and the second frame glue district 252, cause the first frame glue district 251 and the second frame glue district 252 to lose stickiness, and then influence the quality of liquid crystal indicator finished product.
First barricade 261 and second barricade 262 can independently comprise firm material respectively.As previously mentioned; make first barricade 261 and second barricade 262 can also be with the processing procedure compatibility of existing making liquid crystal indicator the time if will consider; first barricade 261 and second barricade 262 can independently comprise material and/or at least one color filter layers of black matrix area respectively; for example; in Red lightscreening plate, green color filter and the blue color filter at least one; or the little shadow and etching (PEP) processing procedure that are integrated in each metal level, dielectric layer, silicon layer or protective seam make simultaneously, makes win barricade 261 and second barricade 262 have enough height.So when the alignment film liquid on the plane roller 210 211 during near cutting zone 240, first barricade 261 and second barricade 262 can be brought into play the effect of obstruct, make alignment film liquid 211 away from the first frame glue district 251 and the second frame glue district 252.
One aspect of the present invention also provides a kind of method that forms alignment film.Fig. 6-10 illustrates the preferred embodiment that the present invention forms the alignment film method.At first, as shown in Figure 6, provide liquid crystal display processing panel 301.Liquid crystal display processing panel 301 can or scribble the glass substrate of transparent conductive material for colored filter substrate, integrated colored filter substrate.When if liquid crystal display processing panel 301 is colored filter substrate or integrated colored filter substrate, be formed with at least one colored filter (figure does not show) in each viewing area of liquid crystal display processing panel 301 respectively, for example Red lightscreening plate, green color filter and blue color filter.Then be formed with the thin film transistor (TFT) (figure does not show) that is used for controlling liquid crystal in each viewing area of liquid crystal display processing panel 301 respectively again or liquid crystal display processing panel 301 when being thin film transistor base plate.Comprise first viewing area 321, second viewing area 322, first black matrix area 331, second black matrix area 332, cutting zone 340, the first frame glue district 351 and the second frame glue district 352 on the liquid crystal display processing panel 301.And when showing that as if the liquid product processing panel 301 is thin film transistor base plate, established metal level (figure does not show), dielectric layer (the figure end shows), silicon layer (figure does not show) or protective seam (figure does not show) or the like material layer on each viewing area in advance.
First black matrix area 331 is around first viewing area 321, and second black matrix area 332 is around second viewing area 322.In addition, 340 of cutting zones surround first black matrix area 331 and second black matrix area 332 simultaneously.No matter liquid crystal display processing panel 301 of the present invention is colored filter substrate, integrated colored filter substrate or thin film transistor base plate, colored filter or thin film transistor (TFT) promptly lay respectively in first viewing area 321 and second viewing area 322, and are centered on by first black matrix area 331 and second black matrix area 332 again respectively.
Around first black matrix area 331 of first viewing area 321 and second viewing area 322 and second black matrix area 332 except being used for defining first viewing area 321 and second viewing area 322, and can avoid the light of backlight module (figure does not show) to spill, strengthen the contrast of image.Usually use metal oxide or nitride, for example, form first black matrix area 331 and second black matrix area 332.
The part of surrounding first viewing area 321, second viewing area 322, first black matrix area 331 and second black matrix area 332 is cutting zone 340.In addition, the first frame glue district 351 and the second frame glue district 352 also are positioned on the cutting zone 340.Cutting zone 340 is made for after liquid crystal display processing panel 301 is finished, and cuts the usefulness that becomes the panel finished product.The first frame glue district, 351 contiguous first black matrix area 331, similarly, the second frame glue district, 352 contiguous second black matrix area 352 are respectively as the usefulness of sticking together upper ledge.The common first frame glue district 351 and the second frame glue district 352 are parallel to first black matrix area 331 and second black matrix area 332 and are provided with.
Secondly, as shown in Figure 7, provide patternless printing roller 311.Promptly speckle with alignment film liquid 312 on the printing roller 311 in order to alignment film liquid 312 is printed to first viewing area 321 and second viewing area 322.Alignment film liquid 312 comprises organic high molecular compound and thinning agent usually.The organic high molecular compound that is suitable as alignment film liquid 312 can be polyimide (polyimide).
Use printing roller 311 that alignment film liquid 312 is transferred in first viewing area 321 and second viewing area 322 to form alignment film 313 then.First black matrix area 331 then makes the alignment film liquid 312 of printing roller 311 not contact the first frame glue district 351 and the second frame glue district 352 with the configuration of second black matrix area 332.For the alignment film liquid 312 of assisting to print roller 311 away from the first frame glue district 351 and the second frame glue district 352, liquid crystal display processing panel 301 can comprise at least one of first barricade and second barricade.
In first specific embodiment of the present invention, as shown in Figure 8, first barricade 361 is positioned at first black matrix area, 331 tops, and/or second barricade 362 is positioned at second black matrix area, 332 tops.Because the spacing of first barricade 361 and second barricade 362 less than a preset distance, makes the alignment film liquid 312 that prints roller 311 away from the first frame glue district 351 and the second frame glue district 352.
In second specific embodiment of the present invention, as shown in Figure 9, first barricade 361 is positioned on the cutting zone 340, and between the first frame glue district 351 and the second frame glue district 352.The spacing of first barricade, 361 distance first black matrix area 331 and second black matrix area 332 makes that respectively less than a preset distance alignment film liquid 312 of printing roller 311 can be away from the first frame glue district 351 and the second frame glue district 352.
In the 3rd specific embodiment of the present invention, as shown in figure 10, the first frame glue district 351 is between first barricade 361 and first black matrix area 331.Similarly, the second frame glue district 352 is between second barricade 362 and second black matrix area 332.Since first barricade 361 and second barricade 362 respectively distance first black matrix area 331 and second black matrix area 332 less than a preset distance, understand away from the first frame glue district 351 and the second frame glue district 352 so that print the alignment film liquid 312 of roller 311.
In aforesaid every specific embodiment, first barricade 361 and/or second barricade 362 can independently comprise firm material respectively.Make first barricade 361 and second barricade 362 can also be with the processing procedure compatibility of existing making liquid crystal indicator the time if will consider; first barricade 361 and second barricade 362 can independently comprise material and/or at least one color filter layers of black matrix area respectively; for example; at least one of Red lightscreening plate, green color filter and blue color filter; or the little shadow and etching (PEP) processing procedure that are integrated in each metal level, dielectric layer, silicon layer or protective seam make simultaneously, makes win barricade 361 and second barricade 362 have enough height.So when the alignment film liquid on the plane roller 311 312 during near cutting zone 340, first barricade 361 and second barricade 362 can be brought into play the effect of obstruct, make alignment film liquid 312 away from the first frame glue district 351 and the second frame glue district 352.
In a preferred embodiment of the present invention, the plane roller 311 of being arranged so that of above-mentioned barricade can roll along the vertical direction of barricade, as shown in Figure 7, guarantee barricade as far as possible bearer bar Jiao Qu avoid the contact of alignment film liquid 312.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.