CN109143661A - A kind of preparation method of liquid crystal display panel and anti-reflection layer - Google Patents
A kind of preparation method of liquid crystal display panel and anti-reflection layer Download PDFInfo
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- CN109143661A CN109143661A CN201810819377.8A CN201810819377A CN109143661A CN 109143661 A CN109143661 A CN 109143661A CN 201810819377 A CN201810819377 A CN 201810819377A CN 109143661 A CN109143661 A CN 109143661A
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- Prior art keywords
- reflection layer
- dimensional porous
- porous property
- graphene solution
- property material
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
Abstract
The invention discloses a kind of preparation methods of anti-reflection layer in liquid crystal display panel and panel, comprising: S01, prepares three-dimensional porous property material in glass baseplate surface；S02, the three-dimensional porous property material is soaked in graphene solution, the graphene solution is made to fill the hole of the three-dimensional porous property material, form composite construction；S03, the viscosity that the additives such as dispersion liquid and thickener adjust the graphene solution is added, is uniformly distributed the graphene solution in the hole of the three-dimensional porous property material；Solvent in S04, removal graphene solution, obtains the anti-reflection layer；By the way that three-dimensional porous property material is soaked in graphene solution, it fills each hole and forms composite construction, the absorptance of material can be increased effectively to reduce reflectivity, three-dimensional porous property material and graphene solution can be etched to obtain ideal pattern by inorganic acid in hydrogen peroxide, have practical application value.
Description
Technical field
The present invention relates to technical field of liquid crystal display, and in particular to the preparation method of a kind of liquid crystal display panel and anti-reflection layer.
Background technique
(Thin Film Transistor-Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD
Show device) display industry leading position, large scale and high-resolution bring visual effect are captured for a long time as mainstream display technology
As the direction that industry is pursued, with the increase of size of display panels, metal wire quantity and size in liquid crystal display can not
What is avoided also and then increases, and increases so as to cause the resistance between metal connecting line, and then generation RC-Delay (resistance-voltage delay,
That is charging lag) phenomenon, in addition to this, signal cross-talk and power problems are also especially pronounced, further to improve these problems, drop
Low-power consumption can use the lower copper product of impedance, and copper product, which will gradually become, replaces aluminum material.
TFT-LCD points are array substrate side and CF (Color Filter, color membrane substrates) side, for beautiful and increase display
The range in area is conducive to cun of the display with larger ruler, existing company uses the design side of array substrate side outwardly at present
Case, but the bottom of array substrate is metal layer, such as Mo, Ti, Cu metal, and metal layer reflectivity herein is larger, strong
The reflective appreciation effect that can seriously affect human eye.Current existing technology is to reduce gold using metal oxide as barrier layer
Belong to layer to the reflection of light or roughening treatment is carried out to layer on surface of metal and then reduces its reflectivity.But these methods film forming processing procedure
Sufficiently complex, equipment cost is higher and limited to the reduction of actual reflectivity, and effect is not satisfactory.
Summary of the invention
The invention patent technical problem to be solved is to overcome the deficiencies of the prior art and provide a kind of film forming processing procedure letter
It is single, the preparation method of the low anti-reflection layer of equipment cost and the liquid crystal display panel with this anti-reflection layer.
In order to achieve the above purpose, present invention employs the following technical solutions:
In a general aspect, a kind of liquid crystal display panel is provided, including array substrate, color membrane substrates, is filled in the array
Liquid crystal between substrate and the color membrane substrates, the metal electrode layer on the inside of array substrate and be located at metal electrode layer with
Anti-reflection layer between array substrate, the anti-reflection layer include three-dimensional porous property material and graphene, side where the array substrate
For light-emitting surface.
Preferably, the three-dimensional porous property material includes metal material or inorganic non-metallic material.
Preferably, the metal material includes molybdenum, and the inorganic non-metallic material includes consolidating for MoOx and its doped chemical
The oxynitrides of solution or silicon.
In another general aspect, a kind of preparation method of anti-reflection layer is provided, comprising:
S01: three-dimensional porous property material is prepared in glass baseplate surface；
S02: the three-dimensional porous property material is soaked in graphene solution, makes the graphene solution filling described three
The hole of porous material is tieed up, composite construction is formed；
S03: the viscosity that the additives such as dispersion liquid and thickener adjust the graphene solution is added, keeps the graphene molten
Liquid is uniformly distributed in the hole of the three-dimensional porous property material；
S04: the solvent in removal graphene solution obtains the anti-reflection layer.
Preferably, the preparation method of three-dimensional porous property material is sol-gel method in the step S01, and the colloidal sol-is solidifying
Glue method includes the following steps:
S011, metal alkoxide is dissolved in the water, the inorganic metal salt easily thermally decomposed is added, form presoma；
S012, the presoma is hydrolyzed by hydrolysis, forms hydroxy compounds；
S013, polycondensation reaction is occurred to the hydroxy compounds, forms colloidal sol；
S014, the colloidal sol are handled by the rearrangement of macromolecular mesh, form gel；
The three-dimensional porous property material is made by drying process in S015, the gel.
Preferably, the method that the solvent in graphene solution is removed in the step S04 is described multiple with ultraviolet light irradiation
Close structure.
Preferably, the ultraviolet wavelength is 365nm.
Alternatively, the method for removing the solvent in graphene solution in the step S04 is to do the composite construction
Dry processing.
Preferably, the environment temperature of the drying process is 100~120 DEG C.
It is simple that the present invention provides a kind of film forming processing procedure, the preparation method of the low anti-reflection layer of equipment cost and has this anti-reflection
The liquid crystal display panel of layer fills each hole and forms composite construction by the way that three-dimensional porous property material to be soaked in graphene solution, can
Reflectivity is reduced effectively to increase the absorptance of material, three-dimensional porous property material and graphene solution can be in dioxygens
It is etched to obtain ideal pattern by inorganic acid in water, have practical application value.
Detailed description of the invention
Fig. 1 is the flow chart of anti-reflection layer preparation method of the invention；
Fig. 2 is the flow chart that three-dimensional porous property material of the invention is prepared with Sol-Gel (sol-gel) method；
Fig. 3 is the structural schematic diagram that three-dimensional porous property material of the invention is prepared with Sol-Gel (sol-gel) method；
Fig. 4 is the reflectivity histogram of single layer Mo/MoOx and its doped chemical；
Fig. 5 is anti-reflection layer etching adaptive testing effect picture of the invention.
Specific embodiment
The problem to be solved by the present invention is that it is simple to provide a kind of film forming processing procedure, the preparation of the low anti-reflection layer of equipment cost
Method and liquid crystal display panel with this anti-reflection layer.It elaborates below in conjunction with attached drawing to the embodiment of the present invention.
A kind of liquid crystal display panel of the present embodiment, including array substrate, color membrane substrates, be filled in the array substrate with it is described
Liquid crystal between color membrane substrates, the metal electrode layer on the inside of array substrate and be located at metal electrode layer and array substrate it
Between anti-reflection layer, the anti-reflection layer includes three-dimensional porous property material and graphene, and side where the array substrate is light-emitting surface.
As a preferred embodiment, the anti-reflection layer includes three-dimensional porous property material and graphene, the three-dimensional
Porous material includes metal material or inorganic non-metallic material, and the metal material includes molybdenum, the inorganic non-metallic material
The oxynitrides of solid solution or silicon including MoOx and its doped chemical, the MoOx are the oxide of molybdenum, the metal layer
Combination including Mo, Ti, Cu, Al or at least two.
Fig. 4 be single layer Mo/MoOx and its doped chemical with a thickness of 55nm when visible reflectance histogram, as scheme institute
Show, the visible reflectance of Mo is 48.77%, and compared with conventional Mo metal, the visible reflectance of MoOx is
10.33%, the visible reflectance of niobium-doped solid solution is 12.64%, adulterates the visible light of the solid solution of tantalum element
Reflectivity is 4.8%, it is seen that compared with conventional Mo metal, the solid solution of the oxide (MoOx) and its doped chemical of molybdenum
Visible reflectance significantly decreases.
Molybdenum, the oxide (MoOx) of molybdenum and its solid solution of doped chemical or the oxynitrides of silicon can pass through H2O2System
Copper acid etching liquid is etched, with good etching adaptability, after the anti-reflection layer is made, without changing etching solution
Bulk composition, only need to be in H2O2It is that inorganic acid, such as H are added in copper acid etching liquid2SO4Or HNO3, the anti-reflection layer can be carried out
Etching, to obtain ideal pattern.Etch effect is as shown in Figure 5, it is seen that the anti-reflection layer has apparent actual benefit.
The preparation method of the present embodiment anti-reflection layer is described below, as shown in Figure 1, comprising:
S01: preparing three-dimensional porous property material in glass baseplate surface, since material has three-dimensional porous structure, Ke Yiji
Absorb visible light to big degree, from this layer of glass is dramatically reduced to the reflectivity of light, and by porosity design after,
The adhesion effect of three-dimensional porous property material and glass substrate is more good.
S02: the three-dimensional porous property material is soaked in graphene solution, so that graphene solution filling is three-dimensional porous
Property material hole form composite construction, there is more hole between three-dimensional porous property material, graphene solution has very
Good fillibility, high extinction and low reflectivity, therefore graphene solution can be very good to penetrate between three-dimensional porous property material
Hole.When radiation of visible light is to three-dimensional porous property material, graphene solution can further aid absorb visible light, and its
Reflected light itself it is indifferent, so as to so that reflectivity further decreases.
S03: the additives such as dispersion liquid and thickener are added and adjust graphene solution viscosity, it is made uniformly to fill up each hole knot
The graphene solution viscosity of structure, various concentration is different, and being diffused into the mobility after hole there is difference, and dispersion liquid is added
Not only diffusion rate is fast for the graphene solution of suitable concentration afterwards, and can fill uniformly with each hole, after thickener is added
Suitable concentration graphene solution has better adsorptivity, and further aid absorbs visible light, reduces reflectivity.
S04: the solvent in removal graphene solution obtains the anti-reflection layer.
As a preferred embodiment, the preparation method of three-dimensional porous property material described in the step S01 is molten
Glue-gel method, as shown in Fig. 2, the sol-gel method specifically includes:
S011, metal alkoxide M (OR) is dissolved in water, the inorganic metal salt easily thermally decomposed is added, form sol-gel
The presoma of method；
S012, pass through hydrolysis, the hydrolysis chemical formula is M-OR+H2O → M-OH+R-OH, by the forerunner
Body hydrolyzes to form hydroxy compounds M-OH and R-OH；
S013, polycondensation reaction formation colloidal sol is occurred to the hydroxy compounds again, the polycondensation reaction chemical formula is M-OR+
M-OH → M-O-M+R-OH or M-OH+M-OH → M-O-M+H2O；
S014, the colloidal sol are handled by the rearrangement of macromolecular mesh, form gel；
Three-dimensional porous property material as described in Figure 3 can be made by drying process in S015, the gel.
As a preferred embodiment, three-dimensional porous property material impregnates in graphene solution in the step S02
Time is 1h, prolonged to impregnate, and can make the graphene solution hole as much as possible for being full of entire three-dimensional porous property material,
So as to improve entire three-dimensional porous property material absorptivity, reflectivity is reduced.
As a preferred embodiment, the method for removing the solvent in graphene solution in the step S04 is to use
Ultraviolet light irradiates the composite construction, ultraviolet wavelength 365nm, when irradiation a length of 60s.Ultraviolet light can be good at decomposing stone
Partial oxide in black alkene, reduced graphene, while curing process is carried out to graphene, obtain complete anti-reflection layer.
As another embodiment of the invention, unlike one embodiment, graphite is removed in the step S04
The method of solvent in alkene solution is that the composite construction is dried, and the environment temperature of the drying process is 100
~120 DEG C, a length of 5~30min when dry removes the moisture content in solution, obtains pure anti-reflection layer.
It is simple that the present invention provides a kind of film forming processing procedure, the preparation method of the low anti-reflection layer of equipment cost and has this anti-reflection
The liquid crystal display panel of layer fills each hole and forms composite construction by the way that three-dimensional porous property material to be soaked in graphene solution, can
Reflectivity is reduced effectively to increase the absorptance of material, three-dimensional porous property material and graphene solution can be in dioxygens
It is etched to obtain ideal pattern by inorganic acid in water, have practical application value.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (9)
1. a kind of liquid crystal display panel, which is characterized in that including array substrate, color membrane substrates, be filled in the array substrate with it is described
Liquid crystal between color membrane substrates, the metal electrode layer on the inside of array substrate and be located at metal electrode layer and array substrate it
Between anti-reflection layer, the anti-reflection layer includes three-dimensional porous property material and graphene, and side where the array substrate is light-emitting surface.
2. liquid crystal display panel according to claim 1, which is characterized in that the three-dimensional porous property material include metal material or
Inorganic non-metallic material.
3. liquid crystal display panel according to claim 2, which is characterized in that the metal material includes molybdenum, the inorganic non-gold
Belonging to material includes the solid solution of MoOx and its doped chemical or the oxynitrides of silicon.
4. a kind of preparation method of anti-reflection layer characterized by comprising
S01, three-dimensional porous property material is prepared in glass baseplate surface；
S02, the three-dimensional porous property material is soaked in graphene solution, so that the graphene solution is filled the three-dimensional more
The hole of porous material forms composite construction；
S03, addition dispersion liquid and thickener adjust the viscosity of the graphene solution, make the graphene solution in the three-dimensional
It is uniformly distributed in the hole of porous material；
Solvent in S04, removal graphene solution, obtains the anti-reflection layer.
5. the preparation method of anti-reflection layer according to claim 4, which is characterized in that three-dimensional porous property in the step S01
The preparation method of material is sol-gel method, and the sol-gel method includes:
S011, metal alkoxide is dissolved in the water, the inorganic metal salt easily thermally decomposed is added, form presoma；
S012, the presoma is hydrolyzed by hydrolysis, forms hydroxy compounds；
S013, polycondensation reaction is occurred to the hydroxy compounds, forms colloidal sol；
S014, the colloidal sol are handled by the rearrangement of macromolecular mesh, form gel；
The three-dimensional porous property material is made by drying process in S015, the gel.
6. the preparation method of anti-reflection layer according to claim 4, which is characterized in that remove graphene in the step S04
The method of solvent in solution is to irradiate the composite construction with ultraviolet light.
7. the preparation method of anti-reflection layer according to claim 6, which is characterized in that the ultraviolet wavelength is 365nm.
8. the preparation method of anti-reflection layer according to claim 4, which is characterized in that remove graphene in the step S04
The method of solvent in solution is that the composite construction is dried.
9. the preparation method of anti-reflection layer according to claim 8, which is characterized in that the environment temperature of the drying process is
100~120 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110941115A (en) * | 2019-12-25 | 2020-03-31 | 深圳市华星光电半导体显示技术有限公司 | Low-reflection composite layer, manufacturing method thereof and application of low-reflection composite layer to array substrate |
| CN114664868A (en) * | 2022-03-30 | 2022-06-24 | 绵阳惠科光电科技有限公司 | Array substrate, display device and preparation method |
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