CN101943825A - Liquid crystal display panel and colour filtering substrate - Google Patents
Liquid crystal display panel and colour filtering substrate Download PDFInfo
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- CN101943825A CN101943825A CN 201010260675 CN201010260675A CN101943825A CN 101943825 A CN101943825 A CN 101943825A CN 201010260675 CN201010260675 CN 201010260675 CN 201010260675 A CN201010260675 A CN 201010260675A CN 101943825 A CN101943825 A CN 101943825A
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Abstract
The invention discloses a liquid crystal display panel and a colour filtering substrate. The colour filtering substrate comprises a substrate, a laminate, a phase compensation film and a second alignment film, wherein the laminate is configured on the substrate and comprises a first alignment film and a color filtering layer with phasecompensation effect, and the first alignment film and the color filtering layer are mutually laminated; the phase compensation film is configured on the laminate; and the second alignment film is configured on the phase compensation film. Thus, the technological parameters of the colour filtering substrate can be lowered.
Description
Technical field
The present invention relates to a kind of display panels, and be particularly related to a kind of colored optical filtering substrates of display panels.
Background technology
Along with LCD constantly develops towards large-sized demonstration specification, in order to overcome the visual angle problem under the large scale demonstration, the wide viewing angle technology of display panels also must ceaselessly improve and break through.Wherein, (Multi-domain Vertical Alignment, MVA) display panels is existing common a kind of wide viewing angle technology to multidomain vertical alignment type.
Generally speaking, in order to promote the optical effect that multifield vertical directional liquid crystal display panel shows, meeting configuration level phase compensation film (A-plate on its colored optical filtering substrates, hereinafter referred to as A plate phase compensation film) and vertical phase compensation film (C-plate, hereinafter referred to as C plate phase compensation film), that is dispose color filter film, A plate phase compensation film and C plate phase compensation film to I haven't seen you for ages on the colored optical filtering substrates.Usually, between color filter film, A plate phase compensation film and C plate phase compensation film, dispose alignment film respectively.According to above-mentioned, in traditional multifield vertical directional liquid crystal display panel, the film number of plies of its colored optical filtering substrates can be more, so the thickness of its colored optical filtering substrates can be thicker.In addition, because the film that colored optical filtering substrates has the more number of plies, therefore the technology number of making is more, and then makes the cost of manufacture of colored optical filtering substrates be difficult to reduce.
Summary of the invention
The invention provides a kind of display panels and colored optical filtering substrates thereof, its manufacturing cost on making can be lowered effectively.
The present invention proposes a kind of colored optical filtering substrates, and it comprises substrate, lamination, phase compensation film and second alignment film.Stacked arrangement and comprises first alignment film that piles up each other and the chromatic filter layer of tool phase compensation effect on substrate.Phase compensation film is disposed on the lamination.Second alignment film is disposed on the phase compensation film.
In one embodiment of this invention, the first above-mentioned alignment film is between the chromatic filter layer of substrate and tool phase compensation effect.
In one embodiment of this invention, the phase-delay quantity of the chromatic filter layer of above-mentioned tool phase compensation effect is equivalent to the phase-delay quantity of A plate phase compensation film (A-plate compensation film), and phase compensation film is C plate phase compensation film (C-plate compensation film).
In one embodiment of this invention, the material of above-mentioned C plate phase compensation film comprises the solid-state polymer liquid crystal.
In one embodiment of this invention, the phase-delay quantity of the chromatic filter layer of above-mentioned tool phase compensation effect is equivalent to the phase-delay quantity of C plate phase compensation film, and phase compensation film is an A plate phase compensation film.
In one embodiment of this invention, colored optical filtering substrates also comprises the 3rd alignment film, and it is disposed between the chromatic filter layer of phase compensation film and tool phase compensation effect.
In one embodiment of this invention, the material of above-mentioned A plate phase compensation film comprises the solid-state polymer liquid crystal.
In one embodiment of this invention, the material of the chromatic filter layer of above-mentioned tool phase compensation effect comprises pigment (pigment), phase compensation material and solvent.The percentage by weight of pigment is in fact more than or equal to 30% and smaller or equal to 54%.The percentage by weight of phase compensation material is in fact more than or equal to 5% and smaller or equal to 20%.The percentage by weight of solvent is in fact more than or equal to 35% and smaller or equal to 50%.
In one embodiment of this invention, the percentage by weight of above-mentioned pigment is in fact more than or equal to 38% and smaller or equal to 45%.And above-mentioned pigment comprises C.I.Pigment Red 122, C.I.Pigment Red 177, C.I.Pigment Red 202, C.I.Pigment Red 206, C.I.Pigment Red 209, C.I.Pigment Red 254, C.I.Pigment Red 255, C.I.Pigment Green 7, C.I.Pigment Green 36, C.I.Pigment Yellow 13, C.I.Pigment Yellow 55, C.I.Pigment Yellow 119, C.I.Pigment Yellow 138, C.I.Pigment Yellow 139, C.I.Pigment Yellow 150, C.I.Pigment Yellow 168, C.I.Pigment Violet 23, C.I.Pigment Orange 71, C.I.Pigment Blue 15:3, C.I.Pigment Blue 15:4, C.I.Pigment Blue 15:6, C.I.Pigment Black 1, C.I.Pigment Black 7, titanium dioxide, barium sulphate, lime carbonate, zinc paste, titanium nitride, lead sulfate, lead and yellow-collation (yellow lead), zinc yellow (zinc yellow), iron oxide red (Red Iron Oxide III), cadmium red (cadmium red), ultramarine (Ultramarine blue), Prussian blue (Prussian Blue), chrome oxide green (chromium oxide green), cobalt green (cobalt green), amber (amber), titanium is deceived (titanium black), synthetic iron black (synthetic iron black), carbon black wherein one of at least or the combination of above-mentioned material.
In one embodiment of this invention, the percentage by weight of above-mentioned phase compensation material equals 10% in fact.And above-mentioned phase compensation material comprises the polymerizable liquid-crvstalline molecule.
In one embodiment of this invention, the percentage by weight of above-mentioned solvent is in fact more than or equal to 41% and smaller or equal to 50%.And, above-mentioned solvent comprise N-N-methyl 2-pyrrolidone N-, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monomethyl ether ester wherein one of at least or the combination of above-mentioned material.
In one embodiment of this invention, the percentage by weight of above-mentioned N-N-methyl 2-pyrrolidone N-equals 1% in fact, the percentage by weight of ethylene glycol monobutyl ether equals 3.5% in fact, the percentage by weight of propylene glycol monomethyl ether equals 32.5% in fact, the percentage by weight of propylene glycol monomethyl ether ester equals 10% in fact.
In one embodiment of this invention, the chromatic filter layer of above-mentioned tool phase compensation effect also comprises an initiator, and wherein the percentage by weight of initiator is in fact greater than 0% and smaller or equal to 1%.
In one embodiment of this invention, the percentage by weight of above-mentioned initiator equals 0.5% in fact.And, above-mentioned initiator comprise 1-hydroxy-cyclohexyl phenylacetone (1-hydroxycyclohexyl phenyl ketone), 2-methyl isophthalic acid-(4-methyl mercapto phenyl)-2-morpholinyl-1-acetone (2-methyl-1-[4-(methylthio) phenyl]-2-morpholinopropane-1-one) wherein one of at least or the combination of above-mentioned material.
In one embodiment of this invention, the chromatic filter layer of above-mentioned tool phase compensation effect also comprises a spreading agent, and wherein the percentage by weight of spreading agent is in fact greater than 0% and smaller or equal to 5%.
In one embodiment of this invention, the percentage by weight of above-mentioned spreading agent is in fact more than or equal to 1% and smaller or equal to 3.5%.And above-mentioned spreading agent comprises high-molecular type dispersing agent.
In one embodiment of this invention, colored optical filtering substrates also comprises common electrode, and it is disposed between the phase compensation film and second alignment film.
In one embodiment of this invention, colored optical filtering substrates also comprises dielectric layer (overcoat), and it is disposed between common electrode and the phase compensation film.
In one embodiment of this invention, colored optical filtering substrates also comprises a plurality of separation materials, and it is disposed between the common electrode and second alignment film.
In one embodiment of this invention, colored optical filtering substrates also comprises a plurality of orientation thrusts, and it is disposed between the common electrode and second alignment film.
The present invention also proposes a kind of display panels, and it comprises active elements array substrates, colored optical filtering substrates, liquid crystal layer and the 3rd alignment film.Colored optical filtering substrates is disposed at the active elements array substrates top, and colored optical filtering substrates comprises substrate, lamination, phase compensation film and second alignment film.Stacked arrangement and comprises first alignment film that piles up each other and the chromatic filter layer of tool phase compensation effect on substrate.Phase compensation film is disposed on the lamination.Second alignment film is disposed on the phase compensation film.Liquid crystal layer is disposed between the active elements array substrates and second alignment film.The 3rd alignment film is disposed between active elements array substrates and the liquid crystal layer.
Based on above-mentioned, display panels of the present invention and colored optical filtering substrates, it substitutes A plate phase compensation film or C plate phase compensation film with the chromatic filter layer with phase compensation effect.Whereby, the number of plies of colored optical filtering substrates be can reduce, and then the technology number and the cost of manufacture of colored optical filtering substrates reduced.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Figure 1A～Fig. 1 G is the manufacturing process synoptic diagram of the colored optical filtering substrates of one embodiment of the invention.
Fig. 2 is the side schematic view of the display panels of one embodiment of the invention.
Fig. 3 is the side schematic view of the colored optical filtering substrates of another embodiment of the present invention.
Wherein, description of reference numerals is as follows:
50: display panels
60: active elements array substrates
70,120,190: alignment film
80: liquid crystal layer
100,300: colored optical filtering substrates
110: substrate
130,310: chromatic filter layer
130a, 310a: red filter film
130b, 310b: green filter film
130c, 310c: blue light filter film
130d: black matrix
140,320: phase compensation film
150: dielectric layer
160: common electrode
170: the orientation thrust
180: separation material
P: arrow
Embodiment
[first embodiment]
Figure 1A～Fig. 1 G is the manufacturing process synoptic diagram of the colored optical filtering substrates of one embodiment of the invention.Please refer to Figure 1A, at first, form alignment film 120 on substrate 110, wherein the material of alignment film 120 for example is polyimide (Polyimide) or polymethylmethacrylate (polymethyl methacrylate).Then, on alignment film 120, form chromatic filter layer 130, shown in Figure 1B.Wherein, chromatic filter layer 130 has phase compensation effect, and the phase-delay quantity of chromatic filter layer 130 is equivalent to the phase-delay quantity of A plate phase compensation film in the present embodiment.
Specifically, the step of formation chromatic filter layer 130 comprises in the present embodiment: prior to forming a plurality of black matrix 130d on the alignment film 120.Afterwards, red filter film 130a, green filter film 130b and blue light filter film 130c are set again, and red filter film 130a, green filter film 130b and blue light filter film 130c has the phase delay effect that is equivalent to A plate phase compensation film between black matrix 130d.For example, the thickness of red filter film 130a, green filter film 130b and blue light filter film 130c can be identical or different.
Afterwards, on chromatic filter layer 130, form phase compensation film 140, shown in Fig. 1 C.In the present embodiment, aforesaid phase compensation film 140 for example is a C plate phase compensation film, and its material for example is the liquid macroimolecule liquid crystal.Then, on phase compensation film 140, form dielectric layer 150, shown in Fig. 1 D.In the present embodiment, the material of dielectric layer 150 for example is silicon nitride (SiNx), monox (SiOy) or silicon oxynitride (SiOxNy).Next, on dielectric layer 150, form common electrode 160, shown in Fig. 1 E.The material of aforesaid common electrode 160 for example be indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (Indium Zinc Oxide, IZO) etc. the transparent and metal oxide of conduction.
Continue it, on common electrode 160, form a plurality of orientation thrusts 170 and a plurality of separation material 180, shown in Fig. 1 F.After orientation thrust 170 and separation material 180 completed, present embodiment can form alignment film 190 on common electrode 160, orientation thrust 170 and separation material 180, shown in Fig. 1 G.After alignment film 190 completed, 100 of the colored optical filtering substrates of present embodiment were roughly finished.It should be noted that aforesaid dielectric layer 150, common electrode 160, orientation thrust 170 and separation material 180 can be members optionally.
Please refer to Fig. 1 G, in the present embodiment, colored optical filtering substrates 100 comprises substrate 110, alignment film 120 and 190, chromatic filter layer 130, phase compensation film 140, dielectric layer 150, common electrode layer 160, orientation thrust 170 and separation material 180.Wherein, alignment film 120 is disposed on the substrate 110, chromatic filter layer 130 is disposed on the alignment film 120, phase compensation film 140 is disposed on the chromatic filter layer 130, dielectric layer 150 is disposed on the phase compensation film 140, common electrode layer 160 is disposed on the dielectric layer 150, and orientation thrust 170 and separation material 180 are disposed on the common electrode layer 160, and alignment film 190 is disposed on common electrode layer 160, orientation thrust 170 and the separation material 180.
Furthermore, alignment film 120 and chromatic filter layer 130 can be considered a lamination, and chromatic filter layer 130 is stacked on the alignment film 120 in the present embodiment, but in other embodiments, alignment film 120 can be stacked on the chromatic filter layer 130, that is the allocation position of alignment film 120 and chromatic filter layer 130 and formation order can be exchanged.In addition, in other feasible embodiment, can between chromatic filter layer 130 and phase compensation film 140, (as arrow P indication part) further dispose alignment film.
According to above-mentioned, because chromatic filter layer 130 has phase compensation effect, and the phase-delay quantity of chromatic filter layer 130 is equivalent to the phase-delay quantity of A plate phase compensation film, that is chromatic filter layer 130 alternative A plate phase compensation films.Whereby, under the prerequisite of keeping colored optical filtering substrates 100 original optical effects, the number of plies of colored optical filtering substrates 100 be can reduce, and then the technology number and the cost of manufacture of colored optical filtering substrates 100 reduced.
In addition, in the present embodiment, comprise above-mentioned red filter film 130a, green filter film 130b, blue light filter film 130c and black matrix 130d in the chromatic filter layer 130, but in other embodiments, chromatic filter layer 130 also can comprise the color filter film of other color.What deserves to be mentioned is that the solution that above-mentioned chromatic filter layer 130 with phase compensation effect is a special formulation forms after suitable reaction (for example thermal process or optical technology).
Comprise pigment (pigment), phase compensation material (phase compensation material) and solvent (solvent) in order to the solution for preparing chromatic filter layer 130.In other preferred embodiment, this solution more comprise initiator (initiator) with and/or a spreading agent (dispersant).Wherein, spreading agent can help pigment or other composition (as phase compensation material, initiator or the like) to be dispersed in the solvent.If the phase compensation material has the polymerizable functionalities base, then initiator can help to accelerate the polyreaction of polymerizable functionalities base.Certainly, if the phase compensation material does not have the polymerizable functionalities base, then just do not need initiator.
Pigment mainly provides the effect of colorized optical filtering, promptly forms the color of color filter film.Compared to the weight of complete soln, the percentage by weight of pigment is in fact more than or equal to 30% and smaller or equal to 54%, preferably, and more than or equal to 38% and smaller or equal to 45%.Pigment can be selected various organic pigment or inorganic pigments with color for use.Organic pigment for example is C.I.Pigment Red 122, C.I.Pigment Red 177, C.I.Pigment Red 202, C.I.Pigment Red 206, C.I.Pigment Red 209, C.I.Pigment Red 254, C.I.Pigment Red 255, C.I.Pigment Green 7, C.I.Pigment Green 36, C.I.Pigment Yellow 13, C.I.Pigment Yellow 55, C.I.Pigment Yellow 119, C.I.Pigment Yellow 138, C.I.Pigment Yellow 139, C.I.Pigment Yellow 150, C.I.Pigment Yellow 168, C.I.Pigment Violet 23, C.I.Pigment Orange 71, C.I.Pigment Blue 15:3, C.I.Pigment Blue 15:4, C.I.Pigment Blue 15:6, C.I.Pigment Black 1, C.I.Pigment Black 7 etc., but do not exceed with above-mentioned.Inorganic pigment for example is a titanium dioxide, barium sulphate, lime carbonate, zinc paste, titanium nitride, lead sulfate, lead and yellow-collation (yellow lead), zinc yellow (zinc yellow), iron oxide red (Red Iron Oxide III), cadmium red (cadmium red), ultramarine (Ultramarine blue), Prussian blue (Prussian Blue), chrome oxide green (chromium oxide green), cobalt green (cobalt green), amber (amber), titanium is deceived (titanium black), synthetic iron black (synthetic iron black), carbon black etc., but do not exceed with above-mentioned material.Above-mentioned various pigment composition can be selected a use, or mixes arbitrarily on demand and use, so that the effect of required colorized optical filtering to be provided.It should be noted that the alleged pigment of present embodiment should and dyestuff (dye) separate to some extent.General dyestuff can be dissolved in the solvent, and it can have influence on the compensate function of phase compensation material easily, and its light stability difference and be easy to generate the phenomenon of photolysis.The employed pigment of present embodiment can't be dissolved in the employed solvent of present embodiment, and can be dispersed evenly among the solvent in granular mode, preferable light stability can be provided and also can not influence the phase compensation function.
The phase compensation material is used to provide the function of phase compensation, and compared to the weight of complete soln, the percentage by weight of phase compensation material is in fact more than or equal to 5% and smaller or equal to 20%, and preferably, the percentage by weight of phase compensation material equals 10% in fact.The phase compensation material normally a polymerizable liquid-crvstalline material (polymerizable liquid crystal, PLC), it has main part and polymerizable functionalities base portion.For instance, present embodiment polymerizable liquid-crvstalline material, the monomer whose structure can be as follows:
R wherein
1, R
2Different, have R for comprising heteroatomic segment, making
3The ethylene double bond reactivity be higher than and have R
4Ethylene double bond.R
1, R
2Comprise following structure:
Wherein, R is C
1-C
12Alkyl.R
3, R
4Independent separately, select from H or CH
3Ar is an aromatic rings, for example can be phenyl, naphthyl, anthryl or heteroaromatic ring etc.About the detailed embodiment and the way of present embodiment polymerisable liquid crystal molecule, can announce patent I323278 with reference to TaiWan, China.But above-mentioned phase compensation material is not limited to this, and in other embodiment, the phase compensation material may be other non-liquid crystal material, but the function of phase compensation also can be provided.
When the phase compensation material has the polymerizable functionalities base, just can add initiator, quicken its polyreaction, initiator can be various smooth initiators or hot initiator, compared to the weight of complete soln, its percentage by weight preferably can equal 0.5% greater than 0% and smaller or equal to 1%.Initiator for example be 1-hydroxy-cyclohexyl phenylacetone (1-hydroxycyclohexyl phenyl ketone) or 2-methyl isophthalic acid-(4-methyl mercapto phenyl)-2-morpholinyl-1-acetone (2-methyl-1-[4-(methylthio) phenyl]-2-morpholinopropane-1-one) etc., but not as limit.
Spreading agent can assist phase compensation material or other composition (as pigment, initiator or the like) to be evenly distributed in the solution.Compared to the weight of complete soln, the percentage by weight of spreading agent is in fact greater than 0% and smaller or equal to 5%, and preferably, its percentage by weight is in fact more than or equal to 1% and smaller or equal to 3.5%.Spreading agent can use the interfacial agent of various anionic dispersing agents, cationic dispersing agent, nonionic or the spreading agent of polymer electrolyte, and wherein the spreading agent with polymer electrolyte is good.
The percentage by weight of solvent is in fact more than or equal to 35% and smaller or equal to 50%, and preferably, meeting is in fact more than or equal to 41% and smaller or equal to 50%.The solvent that present embodiment is fit to includes alcohols, ketone, ethers, ester class or aforesaid mixing.Alcohols solvent for example is normal butyl alcohol, 2-butanols, tributyl alcohol, isopropyl alcohol; Ketones solvent for example is N-N-methyl 2-pyrrolidone N-, cyclohexanone, methyl ethyl ketone, methyl tributyl ketone; Ether solvent for example is glycol ether, ethylene glycol ethyl ether, ethylene glycol monobutyl ether, propylene glycol monomethyl ether; Esters solvent for example is propylene glycol monomethyl ether ester, propylene glycol methyl ether acetate, ethyl-cellosolvo acetic acid esters, 3-ethoxyl ethyl propionate, isoamyl acetate, but does not exceed with above-mentioned.In preferred embodiment, solvent is mixed according to certain proportion by N-N-methyl 2-pyrrolidone N-, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monomethyl ether ester.For instance, compared to the total weight of solution, the percentage by weight of N-N-methyl 2-pyrrolidone N-equals 1% in fact, the percentage by weight of ethylene glycol monobutyl ether equals 3.5% in fact, the percentage by weight of propylene glycol monomethyl ether equals 32.5% in fact, the percentage by weight of propylene glycol monomethyl ether ester equals 10% in fact.
In addition, in the present embodiment in order to prepare the solution formula of chromatic filter layer 130, the demand of looking design also can add other additives, for example catalyst, sensitizer, stabilization agent, chain-transferring agent, inhibitor, coreactivity monomer, interfacial activity compound, lubricant, wetting agent, hydrophobizers, sticker, flow improver, defoamer, degasser, thinning agent, reactive diluent, assistant agent, colorant etc., but do not exceed with above-mentioned.Must it should be noted that above-mentioned solution formula composition also can be assisted to be scattered in the solvent uniformly by spreading agent.
[second embodiment]
Fig. 2 is the side schematic view of the display panels of one embodiment of the invention.Please refer to Fig. 2, after colored optical filtering substrates 100 completes, can be display panels 50, and between colored optical filtering substrates 100 and active elements array substrates 60, pour into liquid crystal and form liquid crystal layer 80 with 60 relative groups of active elements array substrates are upright.In the present embodiment, can on active elements array substrates 60, form alignment film 70.According to above-mentioned, the display panels 50 of present embodiment comprises active elements array substrates 60, alignment film 70, liquid crystal layer 80 and colored optical filtering substrates 100, and wherein colored optical filtering substrates 100 can be described with reference to Figure 1A to Fig. 1 G, then do not give unnecessary details at this.In the present embodiment, alignment film 70 is disposed on the active elements array substrates 60, and liquid crystal layer 80 is disposed on the alignment film 70, and colored optical filtering substrates 100 is disposed on the liquid crystal layer 80.
When feeding driving voltage between the active elements array substrates 60 after group is upright and the colored optical filtering substrates 100, if the selective orientation thrust 170 that is provided with can make the past different direction of liquid crystal molecule in the liquid crystal layer 80 topple over and forms a plurality of zones.Thus, can reach the display effect of wide viewing angle (MVA), so the invention is not restricted to this, still can be applied to (as: penetrating type panel according to the demand of design, the semi penetration type panel, the reflection-type panel, double-sided display profile plate, vertical orientation profile plate (VA), level switch type panel (IPS), multi-domain perpendicular alignment-type panel (MVA), twisted nematic panel (TN), super-twist nematic panel (STN), pattern vertical orientation profile plate (PVA), super pattern vertical orientation profile plate (S-PVA), the advanced person is profile plate (ASV) with great visual angle, fringe field switch type panel (FFS), continuous fireworks shape arrange type panel (CPA), rotational symmetry is arranged micella panel (ASM), optical compensation curved arrange type panel (OCB), super level switch type panel (S-IPS), advanced super level switch type panel (AS-IPS), extreme edge electric field switch type panel (UFFS), stabilizing polymer alignment-type panel (PSA), double vision angle profile plate (dual-view), three visual angle profile plates (triple-view), or other profile plates, or above-mentioned combination.), organic electric-excitation luminescent displaying panel, look pel electrode in its panel and drain electrode at least one of them the electrical material of contact, as liquid crystal layer, organic luminous layer (as: micromolecule, macromolecule or above-mentioned combination), blue phase (blue phase) material, ferroelectric type (ferro-electric) material or above-mentioned combination.。
[the 3rd embodiment]
Fig. 3 is the side schematic view of the colored optical filtering substrates of another embodiment of the present invention.Please refer to Fig. 1 G and Fig. 3, the structural similarity of colored optical filtering substrates 300 is in colored optical filtering substrates 100, and its difference is chromatic filter layer 310 and phase compensation film 320, and similar element uses identical label.In the present embodiment, the phase-delay quantity of chromatic filter layer 310 is equivalent to the phase-delay quantity of C plate phase compensation film, that is the phase-delay quantity of red filter film 310a, green filter film 310b and blue light filter film 310c all is equivalent to the phase-delay quantity of C plate phase compensation film.And aforesaid phase compensation film 320 for example is an A plate phase compensation film, and its material for example is the liquid macroimolecule liquid crystal.Whereby, under the condition of the optical effect of keeping colored optical filtering substrates 100, the number of plies of colored optical filtering substrates 100 be can reduce equally, and then the technology number and the cost of manufacture of colored optical filtering substrates 100 reduced.
In sum, the display panels of the embodiment of the invention and colored optical filtering substrates, it substitutes A plate phase compensation film or C plate phase compensation film with the chromatic filter layer with phase compensation effect.Whereby, the number of plies of colored optical filtering substrates be can reduce, and then the technology number and the cost of manufacture of colored optical filtering substrates reduced.
Though the present invention with embodiment openly as above; right its is not in order to limit the present invention; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the protection domain that claim defined of enclosing.
Claims (27)
1. colored optical filtering substrates comprises:
One substrate;
One lamination is disposed on this substrate, and this lamination comprises first alignment film that piles up each other and the chromatic filter layer of a tool phase compensation effect;
One phase compensation film is disposed on this lamination; And
One second alignment film is disposed on this phase compensation film.
2. colored optical filtering substrates as claimed in claim 1, wherein this first alignment film is between the chromatic filter layer of this substrate and this tool phase compensation effect.
3. colored optical filtering substrates as claimed in claim 1, wherein the phase-delay quantity of the chromatic filter layer of this tool phase compensation effect is equivalent to the phase-delay quantity of an A plate phase compensation film, and this phase compensation film is a C plate phase compensation film.
4. colored optical filtering substrates as claimed in claim 3 also comprises one the 3rd alignment film, is disposed between the chromatic filter layer of this phase compensation film and this tool phase compensation effect.
5. colored optical filtering substrates as claimed in claim 3, wherein the material of this C plate phase compensation film comprises the solid-state polymer liquid crystal.
6. colored optical filtering substrates as claimed in claim 1, wherein the phase-delay quantity of the chromatic filter layer of this tool phase compensation effect is equivalent to the phase-delay quantity of a C plate phase compensation film, and this phase compensation film is an A plate phase compensation film.
7. colored optical filtering substrates as claimed in claim 6 also comprises one the 3rd alignment film, is disposed between the chromatic filter layer of this phase compensation film and this tool phase compensation effect.
8. colored optical filtering substrates as claimed in claim 1, wherein the material of this A plate phase compensation film comprises the solid-state polymer liquid crystal.
9. colored optical filtering substrates as claimed in claim 1, wherein the material of the chromatic filter layer of this tool phase compensation effect comprises:
One pigment, the percentage by weight of this pigment are in fact more than or equal to 30% and smaller or equal to 54%;
One phase compensation material, the percentage by weight of this phase compensation material are in fact more than or equal to 5% and smaller or equal to 20%; And
One solvent, the percentage by weight of this solvent are in fact more than or equal to 35% and smaller or equal to 50%.
10. colored optical filtering substrates as claimed in claim 9, wherein the percentage by weight of this pigment is in fact more than or equal to 38% and smaller or equal to 45%.
11. colored optical filtering substrates as claimed in claim 9, wherein this pigment comprises C.I.Pigment Red 122, C.I.Pigment Red 177, C.I.Pigment Red 202, C.I.Pigment Red 206, C.I.Pigment Red 209, C.I.Pigment Red 254, C.I.Pigment Red 255, C.I.PigmentGreen 7, C.I.Pigment Green 36, C.I.Pigment Yellow 13, C.I.Pigment Yellow55, C.I.Pigment Yellow 119, C.I.Pigment Yellow 138, C.I.Pigment Yellow 139, C.I.Pigment Yellow 150, C.I.Pigment Yellow 168, C.I.Pigment Violet 23, C.I.Pigment Orange 71, C.I.Pigment Blue 15:3, C.I.Pigment Blue 15:4, C.I.Pigment Blue 15:6, C.I.Pigment Black 1, C.I.Pigment Black 7, titanium dioxide, barium sulphate, lime carbonate, zinc paste, titanium nitride, lead sulfate, lead and yellow-collation, zinc yellow, iron oxide red, cadmium red, ultramarine, Prussian blue, chrome oxide green, cobalt green, amber, titanium is black, synthetic iron black, carbon black wherein one of at least or the combination of above-mentioned material.
12. colored optical filtering substrates as claimed in claim 9, wherein the percentage by weight of this phase compensation material equals 10% in fact.
13. colored optical filtering substrates as claimed in claim 9, wherein this phase compensation material comprises the polymerizable liquid-crvstalline molecule.
14. colored optical filtering substrates as claimed in claim 9, wherein the percentage by weight of this solvent is in fact more than or equal to 41% and smaller or equal to 50%.
15. colored optical filtering substrates as claimed in claim 9, wherein this solvent comprise N-N-methyl 2-pyrrolidone N-, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monomethyl ether ester wherein one of at least or the combination of above-mentioned material.
16. colored optical filtering substrates as claimed in claim 15, wherein the percentage by weight of N-N-methyl 2-pyrrolidone N-equals 1% in fact, the percentage by weight of ethylene glycol monobutyl ether equals 3.5% in fact, the percentage by weight of propylene glycol monomethyl ether equals 32.5% in fact, the percentage by weight of propylene glycol monomethyl ether ester equals 10% in fact.
17. colored optical filtering substrates as claimed in claim 9, wherein the chromatic filter layer of this tool phase compensation effect also comprises an initiator, and wherein the percentage by weight of this initiator is in fact greater than 0% and smaller or equal to 1%.
18. colored optical filtering substrates as claimed in claim 9, wherein the percentage by weight of this initiator equals 0.5% in fact.
19. colored optical filtering substrates as claimed in claim 9, wherein this initiator comprise 1-hydroxy-cyclohexyl phenylacetone, 2-methyl isophthalic acid-(4-methyl mercapto phenyl)-2-morpholinyl-1-acetone wherein one of at least or the combination of above-mentioned material.
20. colored optical filtering substrates as claimed in claim 9, wherein the chromatic filter layer of this tool phase compensation effect also comprises a spreading agent, and wherein the percentage by weight of this spreading agent is in fact greater than 0% and smaller or equal to 5%.
21. colored optical filtering substrates as claimed in claim 20, wherein the percentage by weight of this spreading agent is in fact more than or equal to 1% and smaller or equal to 3.5%.
22. colored optical filtering substrates as claimed in claim 20, wherein this spreading agent comprises high-molecular type dispersing agent.
23. colored optical filtering substrates as claimed in claim 1 also comprises a common electrode, is disposed between this phase compensation film and this second alignment film.
24. colored optical filtering substrates as claimed in claim 23 also comprises a dielectric layer, is disposed between this common electrode and this phase compensation film.
25. colored optical filtering substrates as claimed in claim 23 also comprises a plurality of separation materials, is disposed between this common electrode and this second alignment film.
26. colored optical filtering substrates as claimed in claim 23 also comprises a plurality of orientation thrusts, is disposed between this common electrode and this second alignment film.
27. a display panels comprises:
One active elements array substrates;
One colored optical filtering substrates is disposed at this active elements array substrates top, and this colored optical filtering substrates comprises:
One substrate;
One lamination is disposed on this substrate, and this lamination comprises first alignment film that piles up each other and the chromatic filter layer of a tool phase compensation effect;
One phase compensation film is disposed on this lamination;
One second alignment film is disposed on this phase compensation film;
One liquid crystal layer is disposed between this active elements array substrates and this second alignment film; And
One the 3rd alignment film is disposed between this active elements array substrates and this liquid crystal layer.
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| CN 201010260675 CN101943825A (en) | 2010-08-19 | 2010-08-19 | Liquid crystal display panel and colour filtering substrate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010260675 CN101943825A (en) | 2010-08-19 | 2010-08-19 | Liquid crystal display panel and colour filtering substrate |
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| CN 201010260675 Pending CN101943825A (en) | 2010-08-19 | 2010-08-19 | Liquid crystal display panel and colour filtering substrate |
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