Summary of the invention
Embodiments of the invention provide display panel to cassette method, can solve in prior art opaque metal wire and derby and cause the lower problem of the reaction rate of sealed plastic box when carrying out ultraviolet light polymerization.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provide a kind of display panel to cassette method, described display panel comprises first substrate and second substrate, comprising:
Neighboring area at described first substrate forms sealed plastic box;
On described second substrate, form liquid crystal;
Described sealed plastic box is cured to processing;
Before described sealed plastic box generation sclerous reaction, described first substrate and second substrate are carried out box, make described first substrate be formed with a side of sealed plastic box corresponding with the side that described second substrate is formed with liquid crystal.
Described sealed plastic box adopts the ultraviolet curing type sealed plastic box.
The material of described sealed plastic box is the acrylate compounds.
The described step that described sealed plastic box is cured to processing comprises:
Described sealed plastic box is carried out to the ultraviolet light polymerization processing.
The scope of described ultraviolet light intensity is 3000-10000mJ/cm2.
Described ultraviolet light intensity is 5000mJ/cm2.
The ultraviolet light wavelength that described ultraviolet light polymerization processing is used is in the scope of 320 nanometer to 380 nanometers.
The scope of described ultraviolet light wavelength is 330nm-340nm.
Described cassette method is also comprised:
Described first substrate to after box and described second substrate are carried out to heat treated.
The scope of the temperature of heat treated is 100-140 ℃.
The display panel that the embodiment of the present invention provides to cassette method, the neighboring area that is included in first substrate forms sealed plastic box, on second substrate, form liquid crystal, sealed plastic box is cured to processing, before sealed plastic box generation sclerous reaction, first substrate and second substrate are carried out box, make first substrate be formed with a side of sealed plastic box corresponding with the side that second substrate is formed with liquid crystal.By this scheme, because the curing processing by sealed plastic box is arranged on first substrate and second substrate to before box, on the one hand, solve in the prior art opaque metal wire and derby and caused the lower problem of the reaction rate of sealed plastic box when carrying out ultraviolet light polymerization, on the other hand, without between ultraviolet source and array base palte, using the ultraviolet light baffle plate to block liquid crystal, improved the reaction rate of sealed plastic box, simplified processing step.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The embodiment of the present invention provide a kind of display panel to cassette method, described display panel comprises first substrate and second substrate, comprising:
Neighboring area at described first substrate forms sealed plastic box;
On described second substrate, form liquid crystal;
Described sealed plastic box is cured to processing;
Before described sealed plastic box generation sclerous reaction, described first substrate and second substrate are carried out box, make described first substrate be formed with a side of sealed plastic box corresponding with the side that described second substrate is formed with liquid crystal.
The display panel that the embodiment of the present invention provides to cassette method, as shown in Figure 1, the method comprises:
S101, provide first substrate and second substrate.
Preferably, the size of described first substrate and described second substrate can be more than or equal to 10 inches.This is due to, the display panel more than 10 inches, and liquid crystal can just touch peripheral sealed plastic box after having spread the long time, and liquid crystal and uncured sealed plastic box are short duration of contact, pollute lighter; Otherwise, the display panel below 10 inches, the liquid crystal diffusion touches rapidly peripheral sealed plastic box, and liquid crystal and uncured sealed plastic box are long duration of contact, and polluting may be heavier.
S102, in the neighboring area of first substrate, form sealed plastic box.
Particularly, apply sealed plastic box in the neighboring area of first substrate, said neighboring area is corresponding to the non-display area of display panel here.
Preferably, described sealed plastic box can adopt the ultraviolet curing type sealed plastic box.
Preferably, the material of described sealed plastic box can be the acrylics compound.
It should be noted that, in the embodiment of the present invention, sealed plastic box is coated on first substrate and is preferred version.Sealed plastic box can be coated on second substrate, the embodiment of the present invention does not limit yet.But liquid crystal and sealed plastic box all can not be formed on same substrate.
S103, described sealed plastic box is cured to processing.Preferably, can use ultraviolet light to be cured processing.
Particularly, the scope of described ultraviolet light intensity can be 3000-10000mJ/cm2.Preferably, described ultraviolet light intensity can be 5000mJ/cm2.
Preferably, described ultraviolet light polymerization process the ultraviolet light wavelength of using can be in the scope of 320 nanometer to 380 nanometers.Further, the ultraviolet light wavelength is best in the scope of 330nm-340nm, and now ultraviolet light has better solidification effect to sealed plastic box.
S104, on second substrate, form liquid crystal.
Particularly, be that the mode instiled forms liquid crystal on second substrate.
In the embodiment of the present invention, S104 can carry out simultaneously with S102, two steps of S103, can before sealed plastic box generation sclerous reaction, carry out box with the second substrate that is provided with liquid crystal to guarantee follow-up first substrate.
S105, before described sealed plastic box generation sclerous reaction, described first substrate and second substrate are carried out box, make first substrate be formed with a side of sealed plastic box corresponding with the side that described second substrate is formed with liquid crystal.Concrete condition as shown in Figure 2.
Those skilled in the art are as can be known, and liquid sealed plastic box, being subject to ultraviolet light polymerization after processing a period of time, starts to occur sclerous reaction.Therefore, above-mentioned S105 need to carry out before described sealed plastic box generation sclerous reaction.Generally, sealed plastic box can start rapid sclerous reaction by 5-7min after UV-irradiation, therefore need to after accepting ultraviolet lighting, with interior, two substrates be carried out box by 5min.
Preferably, above-mentioned cassette method is also comprised:
S106, the described first substrate to after box and described second substrate are carried out to heat treated.
It should be noted that, the purpose heated in S106 is the epoxy component of solidifying in sealed plastic box, makes sealed plastic box fully curing.Particularly, more than 40 minutes, preferably be 1 hour heat time heating time to heat time heating time of substrate; The scope of heating-up temperature is at 100-140 ℃, preferably 120 ℃.Sealed plastic box is further solidified fully.
Below, enumerate instantiation, respectively cassette method is described to display panel provided by the invention.
At first, carry out the material preparation: prepare that 4 0.7mm are thick, the glass substrate of 25cm*25cm, the sealed plastic box apart from glass substrate edge 5cm place of 2 glass substrates zone (about 100um is wide in the sealed plastic box zone) arranges chrome black matrix (the Cr-black matrix of shading therein, Cr-BM), Cr-BM is wide is 100um, between adjacent C r-BM, be spaced apart 50um, this surface treatment is for opaque metal line or the derby on Reality simulation array base palte surface.That sealed plastic box is used is the E-200 that Japanese ponding (Sekisui) company provides.
As shown in Figure 2, the flow process to cassette method of the display panel of the embodiment of the present invention is: dispenser method 0.2mL on the center of the glass substrate that is provided with Cr-BM, and be not provided with the sealed plastic box E-200 that applies wide 1mm on the glass substrate of Cr-BM apart from this glass substrate edge 5cm place, after completing, the glass substrate that is coated with sealed plastic box is carried out to the ultraviolet light polymerization processing, owing to there is no liquid crystal, therefore in this process without the ultraviolet light baffle plate, UV-irradiation intensity is 5000mJ/cm2as shown in Figure 3, E-200 is being subject to after ultraviolet light polymerization is processed 5-7 minute that sclerous reaction occurs, therefore need accept ultraviolet light polymerization processing 5min at the glass substrate that is coated with sealed plastic box carries out two glass substrates to box with interior, preferably, the glass substrate that control is coated with sealed plastic box has the glass substrate of liquid crystal to carry out to box (now with another piece instillation after accepting ultraviolet light polymerization to process 3min, from liquid crystal drip-injection technique, be accomplished to and need be no more than 30min to the initial time of box, this be due to, if surpass 30min, liquid crystal can be diffused into the display panel edge, with not completely crued sealed plastic box Long contact time, liquid crystal pollution is heavier), to box technique, can continue 2min to 3min, after with assurance, box being completed, sealed plastic box is solidified complete, after completing, will heat the complete substrate of box, heating-up temperature is 120 ℃, and be 1 hour heat time heating time.Like this reaction rate raising, the sealed plastic box of the sealed plastic box in the display panel of box-like one-tenth are reduced the pollution of liquid crystal, and do not use extra ultraviolet light baffle plate, saved cost.
In sum, the display panel of the embodiment of the present invention to cassette method, following advantage is arranged: on the one hand, block liquid crystal ultraviolet light baffle plate used without use, saved cost; On the one hand, without keeping array base palte in the side near ultraviolet source, simplified technique; On the other hand, solve in the prior art opaque metal wire and derby and caused the lower problem of the reaction rate of sealed plastic box when carrying out ultraviolet light polymerization.In addition, can also be by controlling the UV-irradiation time and to the box time, at liquid crystal, do not have large tracts of land to be diffused into substrate edges and, with before sealed plastic box contact, complete the curing of sealed plastic box, reduce like this pollution of sealed plastic box to liquid crystal.
The display panel that the embodiment of the present invention provides to cassette method, the neighboring area that is included in first substrate forms sealed plastic box, on second substrate, form liquid crystal, sealed plastic box is cured to processing, before sealed plastic box generation sclerous reaction, first substrate and second substrate are carried out box, make first substrate be formed with a side of sealed plastic box corresponding with the side that second substrate is formed with liquid crystal.By this scheme, because the curing processing by sealed plastic box is arranged on first substrate and second substrate to before box, on the one hand, solve in the prior art opaque metal wire and derby and caused the lower problem of the reaction rate of sealed plastic box when carrying out ultraviolet light polymerization, on the other hand, without between ultraviolet source and array base palte, using the ultraviolet light baffle plate to block liquid crystal, improved the reaction rate of sealed plastic box, simplified processing step.
The embodiment of the present invention provides a kind of display panel, this display panel for adopt above-mentioned display panel to the made display panel of cassette method, this display panel identical to cassette method and above-described embodiment repeats no more herein.
The embodiment of the present invention provides a kind of display device, has the display panel of the described arbitrary characteristics of above-described embodiment.This display device can be liquid crystal indicator, comprises color membrane substrates and array base palte that opposing parallel arranges, and is filled in the liquid crystal between described color membrane substrates and array base palte.
The liquid crystal indicator that the embodiment of the present invention provides, described liquid crystal indicator can not limit for product or the present invention of section that liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer etc. have a Presentation Function.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.