CN102087440B - Method for manufacturing liquid crystal display panel - Google Patents

Method for manufacturing liquid crystal display panel Download PDF

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Publication number
CN102087440B
CN102087440B CN2009102520673A CN200910252067A CN102087440B CN 102087440 B CN102087440 B CN 102087440B CN 2009102520673 A CN2009102520673 A CN 2009102520673A CN 200910252067 A CN200910252067 A CN 200910252067A CN 102087440 B CN102087440 B CN 102087440B
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liquid crystal
substrate
monomer
crystal layer
display panels
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CN102087440A (en
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刘纯秀
苏峻纬
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Suzhou Shengze Science And Technology Pioneer Park Development Co ltd
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CPT Video Wujiang Co Ltd
Chunghwa Picture Tubes Ltd
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Abstract

The invention relates to a method for manufacturing a liquid crystal display panel. The method comprises the following steps of: firstly, providing a first substrate and a second substrate which are opposite to each other and a liquid crystal layer positioned between the two substrates; secondly, adding a first monomer, a second monomer and an initiator into the liquid crystal layer; thirdly, providing a first voltage difference between the first substrate and the second substrate to form a first electric field so as to drive to incline a plurality of liquid crystal molecules in the liquid crystal layer; fourthly, providing a first ultraviolet irradiation liquid crystal layer, and reacting the initiator with the first monomer to ensure that the first monomer forms alignment layers on the first substrate and the second substrate respectively; and finally, providing a second ultraviolet irradiation liquid crystal layer to ensure that the second monomer and the liquid crystal molecules are polymerized on the surfaces of the first substrate and the second substrate and the liquid crystal molecules have a pre-inclined angle with a set direction.

Description

The method for making of display panels
Technical field
The invention relates to a kind of method for making of display panels, and particularly keep vertical orientation (polymer-sustain vertical alignment, PSVA) method for making of the display panels of technology relevant for a kind of polymkeric substance that utilizes.
Background technology
At present; In the technology of display panels; The technology that can reach the wide viewing angle requirement roughly has: stable twisted nematic (twist nematic; TN) liquid crystal adds view film (wide viewing film), copline switch type (in-plane switching, IPS) display panels, limit switch type (fringe field switching) display panels, multidomain vertical alignment type (multi-domainvertically alignmen, MVA) mode such as display panels.
Known multi-field vertical assigned LCD panel is to utilize alignment structure, like thrust (bump) or slit (slit), the liquid crystal molecule in the zones of different is toppled over different angles, and reaches the effect of wide viewing angle.Yet multi-field vertical assigned LCD panel still can produce problems such as dark line of bright attitude and dark attitude light leak because of adopting thrust.Therefore, having the researcher to propose polymkeric substance keeps orientation (arrangement of its liquid crystal molecule is comparatively stable for Polymer-sustain alignment, PSA) formula display panels, and does not need structure such as thrust, and can promote the panel penetrance and promote contrast.
More detailed, the manufacturing process that polymkeric substance is kept direction matching type liquid crystal display board is roughly following: at first, relatively to two substrates inboardly form transparency electrodes and adopt polyimide (polyimide, PI) both alignment layers of material.Then, between two substrates, insert liquid crystal layer and reactive high polymer monomer.Continue it, grant the specific electric field of liquid crystal layer, under this electric field, the liquid crystal molecule in the liquid crystal layer can tilt and have tilt angle.Afterwards,, make reactive high polymer monomer and liquid crystal layer carry out polymerization, and the tilt angle of fixed-direction is provided with the UV-irradiation liquid crystal layer, thereby, the making that polymkeric substance is kept direction matching type liquid crystal display board accomplished.Yet above-mentioned processing procedure mode needs to use earlier expensive process apparatus to form both alignment layers in the inboard of two substrates, so that can't reduce the budget on the process apparatus, production cost can't descend.
In addition, when above-mentioned step with a UV-irradiation liquid crystal layer, the structure (like the metal level on the filter unit on the colored optical filtering substrates and black matrix or the active component array base board) on two substrates will ultraviolet shielding.At this moment, the high polymer monomer in crested zone is because of being shone by ultraviolet light, and polymerization fully between the liquid crystal molecule at this place and the high polymer monomer makes liquid crystal molecule produce disorderly phenomenon.Therefore, this place will produce dark line or singular point, the answer speed of deterioration liquid crystal molecule, and the contrast of liquid crystal panel and display quality are descended.
Summary of the invention
In view of this, the present invention provides a kind of method for making of display panels, can effectively reduce production costs and simplifies fabrication steps.
The present invention also provides a kind of method for making of display panels, adopts UV-irradiation photosensitive pattern monomer and forms the mode of both alignment layers, replaces the known both alignment layers of utilizing polyimide, can reduce production costs and simplifies fabrication steps.
Based on above-mentioned, the present invention proposes a kind of method for making of display panels.At first, first substrate and second substrate opposite to one another is provided, and the liquid crystal layer between first substrate and second substrate, wherein have the liquid crystal gap between first substrate and second substrate.Then, in liquid crystal layer, add first monomer, second monomer and initiator.Come again, between first substrate and second substrate, first voltage difference is provided and forms first electric field, tilt with a plurality of liquid crystal molecules that drive in the liquid crystal layer.Continue it, the first UV-irradiation liquid crystal layer is provided, the initiator and first monomer are reacted, and let first monomer on first substrate and second substrate, form both alignment layers respectively.Afterwards, the second UV-irradiation liquid crystal layer is provided, makes second monomer and liquid crystal molecule carry out polymerization with surface, and let liquid crystal molecule have the tilt angle of direction initialization at first substrate and second substrate.
In one embodiment of this invention, above-mentioned when the liquid crystal gap is 3.5 microns (μ m), the percentage by weight of initiator is that the percentage by weight of 0.125%, the first monomer is that the percentage by weight of 2.25%, the second monomer is 0.375%.
In one embodiment of this invention, above-mentioned when the liquid crystal gap is 4 microns (μ m), the percentage by weight of initiator is that the percentage by weight of 0.1%, the first monomer is that the percentage by weight of 1.8%, the second monomer is 0.3%.
In one embodiment of this invention, the energy of above-mentioned first ultraviolet light and second ultraviolet light is between 100 joules~120 joules.
In one embodiment of this invention, the first above-mentioned substrate is an active component array base board, and second substrate is a colored optical filtering substrates, and first ultraviolet light and second ultraviolet light are to incide liquid crystal layer from the active component array base board side.
In one embodiment of this invention; The first above-mentioned substrate is active component array base board (the Color filter on Array substrate with chromatic filter layer; COA substrate); Second substrate is a transparent substrates, and first ultraviolet light and second ultraviolet light are to incide liquid crystal layer from the transparent substrates side.
In one embodiment of this invention, the material of the first above-mentioned monomer comprises the photosensitive pattern monomer material.
In one embodiment of this invention, the material of the second above-mentioned monomer comprises the photosensitive pattern monomer material.
In one embodiment of this invention, also be included in and form first electrode on first substrate, and on second substrate, form second electrode.
In one embodiment of this invention, the first above-mentioned electrode and the material of second electrode comprise indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (Indium Zinc Oxide, IZO).
In one embodiment of this invention, above-mentioned before the step that the second UV-irradiation liquid crystal layer is provided, also comprise providing the second voltage official post liquid crystal molecule in direction initialization, to have tilt angle.
Because the present invention adds first monomer, second monomer and initiator in liquid crystal layer, therefore when the first UV-irradiation liquid crystal layer, the initiator and first monomer can react earlier, and on first substrate and second substrate, directly form both alignment layers.The present invention replaces known both alignment layers with the expensive device made by the mode that the first monomer irradiating ultraviolet light is formed both alignment layers, and can effectively reduce the production cost of display panels.In addition, the method for making of display panels of the present invention also can combine colour filter array to be formed at the technology on the active component array base board.Thus, can effectively save liquid crystal layer the irradiation time, improve homogeneity, and the stability of second monomer and polymerizable liquid crystal molecule by the formed alignment film of first monomer.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
Description of drawings
Figure 1A to Fig. 1 E is the making flow process diagrammatic cross-section of the method for making of a kind of display panels of preferred embodiment of the present invention.
Fig. 2 is the synoptic diagram of a kind of display panels of another embodiment of the present invention.
Fig. 3 is the schematic flow sheet of method for making of a kind of display panels of one embodiment of the invention.
Embodiment
The polymkeric substance that the present invention proposes a kind of novelty is kept the method for making of vertical alignment type liquid crystal display panel (PSVA-LCD); In liquid crystal layer, add a kind of photoreactivity monomer separately directly to make both alignment layers, can simplify fabrication steps and save cost in the inboard of two substrates.Below will enumerate a preferred embodiment and explain orally, but embodiment of the present invention is not limited to following illustrated embodiment for technical connotation of the present invention.
Figure 1A to Fig. 1 E is the making flow process diagrammatic cross-section of the method for making of a kind of display panels of preferred embodiment of the present invention.Please, at first, first substrate 110 and second substrate 120 and the liquid crystal layer 130 between first substrate 110 and second substrate 120 opposite to one another is provided, wherein, has the liquid crystal clearance G between first substrate 110 and second substrate 120 earlier with reference to Figure 1A.Liquid crystal clearance G described herein is the thickness of liquid crystal layer 130.
In the present embodiment, also can on first substrate 110, form first electrode 112, and on second substrate 120, form second electrode 122.The material of first electrode 112 and second electrode 122 for example is indium tin oxide (ITO) or indium-zinc oxide (IZO).In addition, first substrate 110 of present embodiment can be active component array base board, and second substrate 120 can be colored optical filtering substrates.
Then, please refer to Figure 1B, in liquid crystal layer 130, add first monomer 142, second monomer 144 and initiator 146.In one embodiment, the material of first monomer 142 and second monomer 144 for example all is photosensitive pattern monomer materials.Particularly; The percentage by weight of first monomer 142, second monomer 144 and initiator 146 is adjustment of making appropriateness along with the liquid crystal clearance G; For example, when the liquid crystal clearance G was 3.5 microns (μ m), the percentage by weight of initiator 146 was 0.125%; And the percentage by weight of first monomer 142 is the percentage by weight of 2.25%, the second monomer 144 is 0.375%.In addition, when the liquid crystal clearance G was 4 microns (μ m), the percentage by weight of initiator 146 was 0.1%, was 0.3% and the percentage by weight of first monomer 142 is the percentage by weight of 1.8%, the second monomer 144.The proportion of composing of above-mentioned first monomer 142, second monomer 144 and initiator 146 can make follow-up two stages irradiating ultraviolet light reaction carry out smoothly.
Then, please refer to Fig. 1 C, between first substrate 110 and second substrate 120, the first voltage difference V1 is provided and forms first electric field, tilt with a plurality of liquid crystal molecules 132 that drive in the liquid crystal layer 130.The purpose of this step is that adjustment liquid crystal molecule 132 is positioned at best pitch angle, to obtain maximum emitting brightness.
Then, please refer to Fig. 1 D, the first ultraviolet light L1 irradiating liquid crystal layer 130 is provided, the initiator 146 and first monomer 142 are reacted, and let first monomer 142 on first substrate 110 and second substrate 120, form both alignment layers 150 respectively.In one embodiment, the energy of the first ultraviolet light L1 can be between 100 joules~120 joules.More detailed, in the step to first monomer, 142 irradiations, the first ultraviolet light L1 in the liquid crystal layer 130, the size of irradiation power can be adjusted along with different process requirement and matched each other with the irradiation time, and the present invention is not limited to above-mentioned numerical range.In this step, can directly form both alignment layers 150 in the inboard of first substrate 110 and second substrate 120, step is quite simple.It should be noted that; In the step of Fig. 1 D; Be still under the state that maintains the first voltage difference V1, make liquid crystal molecule 132 have best pitch angle (under the maximum emitting brightness), carry out the irradiation of the first ultraviolet light L1; So, can make liquid crystal molecule 132 maintain best pitch angle by first monomer, 142 formed both alignment layers 150.
Afterwards, please refer to Fig. 1 E, the second ultraviolet light L2 irradiating liquid crystal layer 130 is provided, make second monomer 144 carry out polymerization with surface, and let liquid crystal molecule 132 have the tilt angle of a direction initialization with liquid crystal molecule 132 at first substrate 110 and second substrate 120.Likewise; The energy of the second ultraviolet light L2 can be between 100 joules~120 joules; And; In the step to second monomer, 144 irradiations, the second ultraviolet light L2 in the liquid crystal layer 130, the size of irradiation power can be adjusted along with different process requirement and matched each other with the irradiation time, and the present invention is not limited to above-mentioned numerical range.The usefulness of the step of Fig. 1 E is intended to: let second monomer 144 and liquid crystal molecule 132 polymerizations, and make liquid crystal molecule 132 have the tilt angle of direction initialization.So far, can accomplish the making of display panels 100.
In the step of Fig. 1 E, before the step that the second ultraviolet light L2 irradiating liquid crystal layer 130 is provided, can provide the second voltage difference V2 to make liquid crystal molecule 132 in direction initialization, have tilt angle.The value of the second voltage difference V2 can be identical or different with the value of the first voltage difference V1, can do according to the pitch angle of required liquid crystal molecule 132 to adapt to adjustment.In this mandatory declaration be; When first substrate 110 is an active component array base board; And second substrate 120 is when being colored optical filtering substrates, and the first ultraviolet light L1 and the second ultraviolet light L2 incide liquid crystal layer 130 from first substrate 110 (meaning is an active component array base board) side.
Hold above-mentioned; Owing in liquid crystal layer 130, add first monomer 142 of photosensitive pattern; So when the first ultraviolet light L1 irradiating liquid crystal layer 130, initiator 146 can react with first monomer 142 and on first substrate 110 and second substrate 120 formation both alignment layers 150.Adopt expensive process apparatus to make both alignment layers compared to known technology, present embodiment forms both alignment layers 150 by first monomer, 142 irradiations mode is comparatively simple, can effectively reduce the production cost of display panels 100.
In addition, the method for making of above-mentioned display panels 100 also can combine colour filter array to be formed at the technology of (COA) on the active component array base board.In detail, Fig. 2 is the synoptic diagram of a kind of display panels of another embodiment of the present invention.Please refer to Fig. 2; The display panels 100a of present embodiment is similar with display panels 100; Its difference is: first substrate 110 is: have the active component array base board (COA substrate) of chromatic filter layer 114, and second substrate 120 is a transparent substrates.
Generally speaking, chromatic filter layer 114 as shown in Figure 2 can comprise: red (R) filter unit 114a, green (G) filter unit 114b and blueness (B) filter unit 114c.Yet in the embodiment that does not illustrate in addition, chromatic filter layer 114 also can be made up of the filter unit of other different colours according to demand, like white (W), yellow (Y), carmetta (M) and dark green (C).In addition, a plurality of colored light-filtering units can adopt arrangement mode arbitrarily, like triangle, mosaic or vertical bar formula etc., do not limit the kind and the arrangement mode of colored light-filtering units at this.
Particularly, when first substrate 110 for having the active component array base board of chromatic filter layer 114, and second substrate 120 is when being transparent substrates, the first ultraviolet light L1 and the second ultraviolet light L2 incide liquid crystal layer 130 from second substrate 120 (meaning is a transparent substrates) side.Under this situation; Owing to do not have the element of any shading on second substrate 120 (transparent substrates); So the first ultraviolet light L1 and the second ultraviolet light L2 be irradiating liquid crystal layer 130 equably; Make first monomer 142 can be formed uniformly both alignment layers, and second monomer 144 and the stable polymerization of liquid crystal molecule 132 abilities.Therefore, can not produce the problem of liquid crystal molecule 132 arrangement disorders, that is to say, utilize the collocation of active component array base board and transparent substrates, can promote the uniformity coefficient of irradiating ultraviolet light with chromatic filter layer 114.Thus, can effectively save liquid crystal layer 130 the irradiation time, improve the homogeneity of the both alignment layers 150 that first monomer 142 forms, and promote the stability of second monomer 144 and liquid crystal molecule 132 polymerizations.Formed display panels 100a has superior display quality.Moreover use polyimide liquid forms both alignment layers as known owing to not needing, so the use that the method for making of the display panels 100a of present embodiment has been simplified the PI transfer step in the known processing procedure and omitted the PI material.
Fig. 3 is the schematic flow sheet of the method for making of display panels.Please refer to Fig. 3, at first, in step S201, a pixel cell is provided, wherein, pixel cell has the viewing area, and comprises first substrate, second substrate and liquid crystal layer.In detail, second substrate and the first substrate configured in parallel, and have the liquid crystal gap between first substrate and second substrate.Liquid crystal layer is disposed between first substrate and second substrate.Then, in step S202, in liquid crystal layer, add first monomer, second monomer and initiator.Then, in step S203, between first substrate and second substrate, first voltage difference is provided and forms first electric field, tilt with a plurality of liquid crystal molecules that drive in the liquid crystal layer.
Continue it, in step S204, the first UV-irradiation liquid crystal layer is provided, the initiator and first monomer are reacted, and let first monomer on first substrate and second substrate, form both alignment layers respectively.Afterwards, in step S205, the second UV-irradiation liquid crystal layer is provided, makes second monomer and liquid crystal molecule carry out polymerization with surface, and let liquid crystal molecule have the tilt angle of direction initialization at first substrate and second substrate.So far, can accomplish the making of pixel cell.This pixel cell can be applicable in the display panels of any kind of, and makes display panels have good display quality and lower production cost.In the step S201~S205 of the method for making of above-mentioned pixel cell, relevant detailed content is similar to the method for making of above-mentioned Figure 1A~described display panels of Fig. 1 E, does not promptly repeat at this.
In sum, the method for making of display panels of the present invention has the following advantages at least:
In liquid crystal layer, add first monomer and initiator in addition.When the first UV-irradiation liquid crystal layer, initiator can react with first monomer, and makes first monomer form both alignment layers in the inboard of two substrates.This fabrication steps is quite simple, and need not adopt the both alignment layers process apparatus and the material of known costliness.Therefore, can effectively reduce production costs.In addition, the technology that also can combine colour filter array to be formed at (COA) on the active component array base board promotes the efficient of irradiating ultraviolet light, to make the better display panels of display quality.
Though the present invention with embodiment openly as above; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away 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 aforesaid the claim scope person of defining.

Claims (10)

1. the method for making of a display panels is characterized in that, comprising:
One first substrate opposite to one another and one second substrate, and the liquid crystal layer between this first substrate and this second substrate are provided, wherein have a liquid crystal gap between this first substrate and this second substrate;
In this liquid crystal layer, add one first monomer, one second monomer and an initiator;
Between this first substrate and this second substrate, one first voltage difference is provided and forms one first electric field, tilt with a plurality of liquid crystal molecules that drive in this liquid crystal layer;
One first this liquid crystal layer of UV-irradiation is provided, this initiator and this first monomer are reacted, and let this first monomer on this first substrate and this second substrate, form a both alignment layers respectively; And
One second this liquid crystal layer of UV-irradiation is provided, makes this second monomer and those liquid crystal molecules carry out polymerization with surface, and let those liquid crystal molecules have the tilt angle of a direction initialization at this first substrate and this second substrate.
2. the method for making of display panels as claimed in claim 1; It is characterized in that when this liquid crystal gap was 3.5 microns, the percentage by weight of this initiator was 0.125%; The percentage by weight of this first monomer is 2.25%, and the percentage by weight of this second monomer is 0.375%.
3. the method for making of display panels as claimed in claim 1; It is characterized in that when this liquid crystal gap was 4 microns, the percentage by weight of this initiator was 0.1%; The percentage by weight of this first monomer is 1.8%, and the percentage by weight of this second monomer is 0.3%.
4. the method for making of display panels as claimed in claim 1 is characterized in that, the energy of this first ultraviolet light and this second ultraviolet light is between 100 joules~120 joules.
5. the method for making of display panels as claimed in claim 1; Wherein this first substrate is an active component array base board; This second substrate is a colored optical filtering substrates, and this first ultraviolet light and this second ultraviolet light are to incide this liquid crystal layer from this active component array base board side.
6. the method for making of display panels as claimed in claim 1; It is characterized in that; This first substrate is: the active component array base board with chromatic filter layer; This second substrate is a transparent substrates, and this first ultraviolet light and this second ultraviolet light are to incide this liquid crystal layer from this transparent substrates side.
7. the method for making of display panels as claimed in claim 1 is characterized in that, the material of this second monomer and/or first monomer comprises the photosensitive pattern monomer material.
8. the method for making of display panels as claimed in claim 1 is characterized in that, also comprises: on this first substrate, form one first electrode, and on this second substrate, form one second electrode.
9. the method for making of display panels as claimed in claim 7 is characterized in that, the material of this first electrode and this second electrode comprises: indium tin oxide or indium-zinc oxide.
10. the method for making of display panels as claimed in claim 1; It is characterized in that; Before the step that this this liquid crystal layer of second UV-irradiation is provided, also comprise: provide one second those liquid crystal molecules of voltage official post in this direction initialization, to have this tilt angle.
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CN102402069A (en) * 2011-11-11 2012-04-04 深圳市华星光电技术有限公司 Method of preparing alignment film for LCD (liquid crystal display) panel
CN102681259B (en) * 2012-04-28 2015-07-01 深圳市华星光电技术有限公司 Method and device for optical alignment of liquid crystal material
CN102662274B (en) * 2012-05-22 2015-07-01 深圳市华星光电技术有限公司 Liquid crystal panel and liquid crystal alignment method thereof
TW201518820A (en) 2013-11-07 2015-05-16 Chunghwa Picture Tubes Ltd Method of manufacturing polymer dispersed liquid crystal
CN103602338B (en) * 2013-11-20 2016-02-03 华映视讯(吴江)有限公司 The manufacture method of polymer dispersion type liquid crystal
CN104375328A (en) * 2014-11-28 2015-02-25 深圳市华星光电技术有限公司 Display panel and manufacturing method of display panel
CN104765213B (en) * 2015-04-29 2018-09-04 京东方科技集团股份有限公司 The preparation method of display base plate, the preparation method of display panel, display device
CN105093701B (en) * 2015-09-18 2019-03-15 京东方科技集团股份有限公司 Production method, liquid crystal aligning layer and the display device of liquid crystal aligning layer
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CN109752885A (en) * 2019-03-26 2019-05-14 深圳市华星光电技术有限公司 Light alignment apparatus and light alignment method
CN110068960A (en) * 2019-04-04 2019-07-30 深圳市华星光电技术有限公司 Aggregation stablizes the manufacturing method of homeotropic liquid crystal display panel
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CN114924442B (en) * 2022-05-17 2023-12-05 Tcl华星光电技术有限公司 Alignment method of display panel and display panel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1903827A (en) * 2006-08-11 2007-01-31 友达光电股份有限公司 Monomer and method of manufacturing liquid crystal display panel using same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1903827A (en) * 2006-08-11 2007-01-31 友达光电股份有限公司 Monomer and method of manufacturing liquid crystal display panel using same

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Patentee before: Chunghwa Picture Tubes, Ltd.