CN108663833A - A kind of self-cleaning outdoor liquid crystal display - Google Patents
A kind of self-cleaning outdoor liquid crystal display Download PDFInfo
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- CN108663833A CN108663833A CN201810453862.8A CN201810453862A CN108663833A CN 108663833 A CN108663833 A CN 108663833A CN 201810453862 A CN201810453862 A CN 201810453862A CN 108663833 A CN108663833 A CN 108663833A
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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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
- G02F1/1316—Methods for cleaning the liquid crystal cells, or components thereof, during manufacture: Materials therefor
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133331—Cover glasses
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Abstract
The present invention relates to technical field of liquid crystal display, and in particular to a kind of self-cleaning outdoor liquid crystal display.Glass cover-plate is arranged in the liquid crystal display panel component outer layer of the liquid crystal display, and modification is passed through in glass cover-plate outer surface, and glass cover-plate also sets up automatic cleaning coating on outer surface；Pickling, washing and the plated film of glass cover-plate outer surface modification, the material that plated film uses include：Tetraethoxysilane, titanium tetraisopropylate, iron chloride, silica, hydrofluoric acid and mixed solvent.Wherein, automatic cleaning coating prepares the ingredient of self-cleaning coating used and includes：Silicon dioxide gel, polyvinylpyrrolidone, silane coupling agent, nano-sized molybdenum oxide, nano zirconium dioxide, nanometer cobalt oxide and organic solvent.The display screen has good self-cleaning performance, and dust and spot be not easy to be attached to display screen surface, therefore can be greatly reduced outdoor liquid crystal display cleans and maintains cost.
Description
Technical field
The present invention relates to technical field of liquid crystal display, and in particular to a kind of self-cleaning outdoor liquid crystal display.
Background technology
With the high speed development of the progress and social economy of scientific and technological technology；More and more large scale business synthesis construction
Around each community, the Commercial Complex of today is in order to improve advertising effect, it will usually the facade in market
The large-scale liquid crystal display of upper installation.Commercial propaganda advertisement can be played on these liquid crystal displays, can also play TV programme
Or public service ads；This has been attracted to more flows of the people for market, has played huge advertising value.
Conventional liquid crystal display is mounted on facade, since air pollution is increasingly severe, a large amount of dust
It suspends in air with particulate matter, these substances are after by fog or rainwater absorption, it is easy to be bonded in display screen surface；This
A little spots can influence the display effect of display screen, can also be impacted to the service life of display screen；Therefore people need regular
Cleaning is carried out to display screen surface.
Invention content
For problems of the prior art, the present invention provides a kind of self-cleaning outdoor liquid crystal displays, this is aobvious
Display screen has good self-cleaning performance, and dust and spot are not easy to be attached to display screen surface, therefore room can be greatly reduced
Outer liquid crystal display cleans and maintains cost.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of self-cleaning outdoor liquid crystal display, including liquid crystal display panel component, liquid crystal display panel component outer layer
Glass cover-plate is set, and modification is passed through in glass cover-plate outer surface, and glass cover-plate also sets up automatic cleaning coating on outer surface；
The method of glass cover-plate outer surface modification includes the following steps：
(1) outer surface of tempering treated glass cover-plate is polished, the glass outer surface 1.5- after polishing
The salpeter solution of 2.5mol/L carries out pickling, is cleaned with deionized water after the completion of pickling, drying and processing after cleaning；
(2) according to mass fraction, by 4-5 parts of tetraethoxysilanes, 0.1-0.3 parts of titanium tetraisopropylates, 0.5-0.8 parts of chlorinations
Iron, 11-13 parts of silica, 0.03-0.07 parts of hydrofluoric acid dissolutions in 25-30 parts of ethyl alcohol and the in the mixed solvent of normal heptane,
Obtain the surface conditioning agent；
(3) glass cover-plate is sent in dustless coating chamber, with Membrane jetter by surface conditioning agent even application in cover board glass
The surface conditioning agent coating layer thickness of glass outer surface, spraying is 2-3.5 μm, then the dustless plated film Indoor Natural under room temperature state
It stands to surface conditioning agent and dries；
(4) glass cover-plate after dry tack free is sent to curing oven, with 180-230 DEG C of high temperature, to glass cover-plate into
The time of row baking, baking is 1.5-2h, and natural cooling after the completion of baking obtains the required glass cover Jing Guo surface modification treatment
Plate；
Wherein, automatic cleaning coating prepares the ingredient of self-cleaning coating used and includes：Silicon dioxide gel, polyvinyl pyrrole
Alkanone, silane coupling agent, nano-sized molybdenum oxide, nano zirconium dioxide, nanometer cobalt oxide and organic solvent.
Preferably, the amount ratio of the substance of the in the mixed solvent used in surface conditioning agent, ethyl alcohol and normal heptane is 4:3.
Preferably, according to mass fraction, the ingredient of self-cleaning coating includes：40-50 parts of silicon dioxide gel, polyethylene pyrrole
7-9 parts of pyrrolidone, 3-4 parts of silane coupling agent, 1-4 parts of nano-sized molybdenum oxide, 2-4 parts of nano zirconium dioxide, nanometer cobalt oxide 1-3
Part, 15-20 parts of organic solvent.
Preferably, organic solvent is methanol, ethyl alcohol, butanone, acetone or hexamethylene.
Preferably, in silicon dioxide gel, the grain size of solid content 5-8%, micelle are 10-20nm.
In the present invention, the preparation method of self-cleaning coating is：
According to mass fraction, nano-sized molybdenum oxide, nano zirconium dioxide and nanometer cobalt oxide are added to after mixing
It in organic solvent, is uniformly dispersed with the rotating speed of 500-600r/min, obtains mixture A, polyvinylpyrrolidone is added to two
In silica sol, it is thoroughly mixed uniformly, obtains mixed sols B, mixture A and silane coupling agent are added to together mixed
It closes in sol B, under 60-70 DEG C of bath temperature, with the rotating speed decentralized processing 15-25min of 450-600r/min, obtains required
Self-cleaning coating.
Wherein, the preparation method of automatic cleaning coating is：
Glass cover-plate after surface modification treatment is cleaned with deionized water, is dried after cleaning, then
Glass cover-plate is sent in dustless coating chamber, using Membrane jetter by self-cleaning coating even application in the appearance of glass cover-plate
Face；It is spontaneously dried in dustless coating chamber after having sprayed, then glass cover-plate is sent in curing room and is carried out at microwave curing
It manages, after the completion of curing process, automatic cleaning coating is formed in glass cover-plate outer surface.
Preferably, the thickness of automatic cleaning coating is 50-80nm.
The present invention has following advantageous effect：
Glass cover-plate is set outside the display module of the type liquid crystal display, and glass cover-plate outer surface carries out at the modification of surface
Reason, and it is equipped with automatic cleaning coating, wherein process of surface treatment makes glass cover-plate outer layer form a kind of structure sheaf of high adhesion force,
The structure sheaf can allow automatic cleaning coating effectively to adhere to, and avoid coating shedding.
Automatic cleaning coating is formed using microwave curing process processing, which can effectively reduce dust, water droplet, dirt
Stain avoids spot from assembling in the bond effect of coating surface, and water droplet and dust etc. fall in coating surface meeting nature, to reach
Self-cleaning effect reduces the cleaning cost of the type liquid crystal display.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of self-cleaning outdoor liquid crystal display, including liquid crystal display panel component, liquid crystal display panel component outer layer
Glass cover-plate is set, and modification is passed through in glass cover-plate outer surface, and glass cover-plate also sets up automatic cleaning coating on outer surface；
The method of glass cover-plate outer surface modification includes the following steps：
(1) outer surface of tempering treated glass cover-plate is polished, the glass outer surface 1.5mol/ after polishing
The salpeter solution of L carries out pickling, is cleaned with deionized water after the completion of pickling, drying and processing after cleaning；
(2) according to mass fraction, by 4 parts of tetraethoxysilanes, 0.1 part of titanium tetraisopropylate, 0.5 part of iron chloride, 11 part two
Silica, 0.03 part of hydrofluoric acid dissolution obtain the surface conditioning agent in 25 parts of ethyl alcohol and the in the mixed solvent of normal heptane；
(3) glass cover-plate is sent in dustless coating chamber, with Membrane jetter by surface conditioning agent even application in cover board glass
The surface conditioning agent coating layer thickness of glass outer surface, spraying is 2 μm, and then the dustless plated film Indoor Natural under room temperature state is stood
It is dried to surface conditioning agent；
(4) glass cover-plate after dry tack free is sent to curing oven, with 180 DEG C of high temperature, glass cover-plate is dried
Roasting, the time of baking is 1.5h, and natural cooling after the completion of baking obtains the required glass cover-plate Jing Guo surface modification treatment；
Wherein, according to mass fraction, the ingredient of self-cleaning coating includes：40 parts of silicon dioxide gel, polyvinylpyrrolidine
7 parts of ketone, 3 parts of silane coupling agent, 1 part of nano-sized molybdenum oxide, 2 parts of nano zirconium dioxide, 1 part of nanometer cobalt oxide, organic solvent 15
Part.
The amount ratio of the substance of the in the mixed solvent used in surface conditioning agent, ethyl alcohol and normal heptane is 4:3.
Organic solvent is methanol；In silicon dioxide gel, the grain size of solid content 5%, micelle is 10-20nm.
In the present embodiment, the preparation method of self-cleaning coating is：
According to mass fraction, nano-sized molybdenum oxide, nano zirconium dioxide and nanometer cobalt oxide are added to after mixing
It in organic solvent, is uniformly dispersed with the rotating speed of 500r/min, obtains mixture A, polyvinylpyrrolidone is added to titanium dioxide
It in Ludox, is thoroughly mixed uniformly, obtains mixed sols B, it is molten that mixture A and silane coupling agent are added to mixing together
In glue B, under 60 DEG C of bath temperature, with the rotating speed decentralized processing 15min of 450r/min, required self-cleaning coating is obtained.
Wherein, the preparation method of automatic cleaning coating is：
Glass cover-plate after surface modification treatment is cleaned with deionized water, is dried after cleaning, then
Glass cover-plate is sent in dustless coating chamber, using Membrane jetter by self-cleaning coating even application in the appearance of glass cover-plate
Face；It is spontaneously dried in dustless coating chamber after having sprayed, then glass cover-plate is sent in curing room and is carried out at microwave curing
It manages, after the completion of curing process, automatic cleaning coating is formed in glass cover-plate outer surface.The thickness of automatic cleaning coating is 50nm.
Embodiment 2
A kind of self-cleaning outdoor liquid crystal display, including liquid crystal display panel component, liquid crystal display panel component outer layer
Glass cover-plate is set, and modification is passed through in glass cover-plate outer surface, and glass cover-plate also sets up automatic cleaning coating on outer surface；
The method of glass cover-plate outer surface modification includes the following steps：
(1) outer surface of tempering treated glass cover-plate is polished, the glass outer surface 2.5mol/ after polishing
The salpeter solution of L carries out pickling, is cleaned with deionized water after the completion of pickling, drying and processing after cleaning；
(2) according to mass fraction, by 5 parts of tetraethoxysilanes, 0.3 part of titanium tetraisopropylate, 0.8 part of iron chloride, 13 part two
Silica, 0.07 part of hydrofluoric acid dissolution obtain the surface conditioning agent in 30 parts of ethyl alcohol and the in the mixed solvent of normal heptane；
(3) glass cover-plate is sent in dustless coating chamber, with Membrane jetter by surface conditioning agent even application in cover board glass
The surface conditioning agent coating layer thickness of glass outer surface, spraying is 3.5 μm, and then the dustless plated film Indoor Natural under room temperature state is quiet
It sets to surface conditioning agent and dries；
(4) glass cover-plate after dry tack free is sent to curing oven, with 230 DEG C of high temperature, glass cover-plate is dried
Roasting, the time of baking is 2h, and natural cooling after the completion of baking obtains the required glass cover-plate Jing Guo surface modification treatment；
Wherein, according to mass fraction, the ingredient of self-cleaning coating includes：50 parts of silicon dioxide gel, polyvinylpyrrolidine
9 parts of ketone, 4 parts of silane coupling agent, 4 parts of nano-sized molybdenum oxide, 4 parts of nano zirconium dioxide, 3 parts of nanometer cobalt oxide, organic solvent 20
Part.
The amount ratio of the substance of the in the mixed solvent used in surface conditioning agent, ethyl alcohol and normal heptane is 4:3.
Organic solvent is butanone；In silicon dioxide gel, the grain size of solid content 8%, micelle is 10-20nm.
In the present embodiment, the preparation method of self-cleaning coating is：
According to mass fraction, nano-sized molybdenum oxide, nano zirconium dioxide and nanometer cobalt oxide are added to after mixing
It in organic solvent, is uniformly dispersed with the rotating speed of 600r/min, obtains mixture A, polyvinylpyrrolidone is added to titanium dioxide
It in Ludox, is thoroughly mixed uniformly, obtains mixed sols B, it is molten that mixture A and silane coupling agent are added to mixing together
In glue B, under 70 DEG C of bath temperature, with the rotating speed decentralized processing 25min of 600r/min, required self-cleaning coating is obtained.
Wherein, the preparation method of automatic cleaning coating is：
Glass cover-plate after surface modification treatment is cleaned with deionized water, is dried after cleaning, then
Glass cover-plate is sent in dustless coating chamber, using Membrane jetter by self-cleaning coating even application in the appearance of glass cover-plate
Face；It is spontaneously dried in dustless coating chamber after having sprayed, then glass cover-plate is sent in curing room and is carried out at microwave curing
It manages, after the completion of curing process, automatic cleaning coating is formed in glass cover-plate outer surface.The thickness of automatic cleaning coating is 80nm.
Embodiment 3
A kind of self-cleaning outdoor liquid crystal display, including liquid crystal display panel component, liquid crystal display panel component outer layer
Glass cover-plate is set, and modification is passed through in glass cover-plate outer surface, and glass cover-plate also sets up automatic cleaning coating on outer surface；
The method of glass cover-plate outer surface modification includes the following steps：
(1) outer surface of tempering treated glass cover-plate is polished, the glass outer surface 2mol/L after polishing
Salpeter solution carry out pickling, cleaned with deionized water after the completion of pickling, drying and processing after cleaning；
(2) according to mass fraction, by 4.5 parts of tetraethoxysilanes, 0.2 part of titanium tetraisopropylate, 0.7 part of iron chloride, 12 parts
Silica, 0.05 part of hydrofluoric acid dissolution obtain the surface conditioning agent in 28 parts of ethyl alcohol and the in the mixed solvent of normal heptane；
(3) glass cover-plate is sent in dustless coating chamber, with Membrane jetter by surface conditioning agent even application in cover board glass
The surface conditioning agent coating layer thickness of glass outer surface, spraying is 3 μm, and then the dustless plated film Indoor Natural under room temperature state is stood
It is dried to surface conditioning agent；
(4) glass cover-plate after dry tack free is sent to curing oven, with 200 DEG C of high temperature, glass cover-plate is dried
Roasting, the time of baking is 1.8h, and natural cooling after the completion of baking obtains the required glass cover-plate Jing Guo surface modification treatment；
Wherein, according to mass fraction, the ingredient of self-cleaning coating includes：45 parts of silicon dioxide gel, polyvinylpyrrolidine
8 parts of ketone, 3.5 parts of silane coupling agent, 2 parts of nano-sized molybdenum oxide, 3 parts of nano zirconium dioxide, 2 parts of nanometer cobalt oxide, organic solvent
18 parts.
The amount ratio of the substance of the in the mixed solvent used in surface conditioning agent, ethyl alcohol and normal heptane is 4:3.
Organic solvent is hexamethylene；In silicon dioxide gel, the grain size of solid content 7%, micelle is 10-20nm.
In the present embodiment, the preparation method of self-cleaning coating is：
According to mass fraction, nano-sized molybdenum oxide, nano zirconium dioxide and nanometer cobalt oxide are added to after mixing
It in organic solvent, is uniformly dispersed with the rotating speed of 550r/min, obtains mixture A, polyvinylpyrrolidone is added to titanium dioxide
It in Ludox, is thoroughly mixed uniformly, obtains mixed sols B, it is molten that mixture A and silane coupling agent are added to mixing together
In glue B, under 65 DEG C of bath temperature, with the rotating speed decentralized processing 20min of 500r/min, required self-cleaning coating is obtained.
Wherein, the preparation method of automatic cleaning coating is：
Glass cover-plate after surface modification treatment is cleaned with deionized water, is dried after cleaning, then
Glass cover-plate is sent in dustless coating chamber, using Membrane jetter by self-cleaning coating even application in the appearance of glass cover-plate
Face；It is spontaneously dried in dustless coating chamber after having sprayed, then glass cover-plate is sent in curing room and is carried out at microwave curing
It manages, after the completion of curing process, automatic cleaning coating is formed in glass cover-plate outer surface.The thickness of automatic cleaning coating is 70nm.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of self-cleaning outdoor liquid crystal display, including liquid crystal display panel component, it is characterised in that：The liquid crystal display
Glass cover-plate is arranged in panel assembly outer layer, and glass cover-plate outer surface is passed through modification, also set up on glass cover-plate outer surface certainly
Clean coating；
The method of glass cover-plate outer surface modification includes the following steps：
（1）The outer surface of tempering treated glass cover-plate is polished, the glass outer surface 1.5-2.5mol/ after polishing
The salpeter solution of L carries out pickling, is cleaned with deionized water after the completion of pickling, drying and processing after cleaning；
（2）According to mass fraction, by 4-5 parts of tetraethoxysilanes, 0.1-0.3 parts of titanium tetraisopropylates, 0.5-0.8 parts of iron chloride,
11-13 parts of silica, 0.03-0.07 parts of hydrofluoric acid dissolutions are obtained in 25-30 parts of ethyl alcohol and the in the mixed solvent of normal heptane
The surface conditioning agent；
（3）Glass cover-plate is sent in dustless coating chamber, with Membrane jetter by surface conditioning agent even application in outside cover-plate glass
The surface conditioning agent coating layer thickness on surface, spraying is 2-3.5 μm, and then the dustless plated film Indoor Natural under room temperature state is stood
It is dried to surface conditioning agent；
（4）Glass cover-plate after dry tack free is sent to curing oven, with 180-230 DEG C of high temperature, glass cover-plate is dried
Roasting, the time of baking is 1.5-2h, and natural cooling after the completion of baking obtains the required glass cover-plate Jing Guo surface modification treatment；
Wherein, automatic cleaning coating prepares the ingredient of self-cleaning coating used and includes：Silicon dioxide gel, polyvinylpyrrolidine
Ketone, silane coupling agent, nano-sized molybdenum oxide, nano zirconium dioxide, nanometer cobalt oxide and organic solvent.
2. the self-cleaning outdoor liquid crystal display of one kind according to claim 1, it is characterised in that：The surface conditioning agent
The amount ratio of the substance of the middle in the mixed solvent used, ethyl alcohol and normal heptane is 4:3.
3. the self-cleaning outdoor liquid crystal display of one kind according to claim 1, it is characterised in that：According to mass fraction,
The ingredient of the self-cleaning coating includes：40-50 parts of silicon dioxide gel, 7-9 parts of polyvinylpyrrolidone, silane coupling agent 3-
4 parts, 1-4 parts of nano-sized molybdenum oxide, 2-4 parts of nano zirconium dioxide, 1-3 parts of nanometer cobalt oxide, 15-20 parts of organic solvent.
4. the self-cleaning outdoor liquid crystal display of one kind according to claim 3, it is characterised in that：The organic solvent is
Methanol, ethyl alcohol, butanone, acetone or hexamethylene.
5. the self-cleaning outdoor liquid crystal display of one kind according to claim 3, it is characterised in that：The silica is molten
In glue, the grain size of solid content 5-8%, micelle are 10-20nm.
6. the self-cleaning outdoor liquid crystal display of one kind according to claim 1, it is characterised in that：The self-cleaning coating
Preparation method be：
According to mass fraction, nano-sized molybdenum oxide, nano zirconium dioxide and nanometer cobalt oxide are added to after mixing organic
It in solvent, is uniformly dispersed with the rotating speed of 500-600r/min, obtains mixture A, polyvinylpyrrolidone is added to titanium dioxide
It in Ludox, is thoroughly mixed uniformly, obtains mixed sols B, it is molten that mixture A and silane coupling agent are added to mixing together
In glue B, under 60-70 DEG C of bath temperature, with the rotating speed decentralized processing 15-25min of 450-600r/min, obtain required from clear
Clean coating.
7. the self-cleaning outdoor liquid crystal display of one kind according to claim 1, it is characterised in that：The glass cover-plate
On, the preparation method of automatic cleaning coating is：
Glass cover-plate after surface modification treatment is cleaned with deionized water, is dried after cleaning, then by glass
Glass cover board is sent in dustless coating chamber, using Membrane jetter by self-cleaning coating even application in the outer surface of glass cover-plate；Spray
It is spontaneously dried in dustless coating chamber after being painted with, glass cover-plate is then sent to progress microwave curing processing in curing room, Gu
After the completion of change processing, automatic cleaning coating is formed in glass cover-plate outer surface.
8. the self-cleaning outdoor liquid crystal display of one kind according to claim 7, it is characterised in that：The automatic cleaning coating
Thickness be 50-80nm.
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