CN115415140A - Self-cleaning method for liquid crystal display - Google Patents
Self-cleaning method for liquid crystal display Download PDFInfo
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- CN115415140A CN115415140A CN202211010479.8A CN202211010479A CN115415140A CN 115415140 A CN115415140 A CN 115415140A CN 202211010479 A CN202211010479 A CN 202211010479A CN 115415140 A CN115415140 A CN 115415140A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 34
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 43
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 9
- 239000002105 nanoparticle Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000084 colloidal system Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- 229910052810 boron oxide Inorganic materials 0.000 claims description 4
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011941 photocatalyst Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/107—Post-treatment of applied coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
-
- 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
-
- 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
- G02F1/133325—Assembling processes
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/133528—Polarisers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a self-cleaning method of a liquid crystal display, and relates to the technical field of liquid crystal display screens. The self-cleaning method of the liquid crystal display comprises the following steps: preparing titanium dioxide sol, mixing and dissolving, cleaning, first coating, second coating, grafting and mounting. According to the method, the outer side wall of the liquid crystal display screen is coated with the first coating and the second coating, the silicon dioxide is arranged in the first coating and the second coating, and when the titanium dioxide photocatalyst is irradiated by sunlight or fluorescent lamps or ultraviolet rays, organic matters and pollutants attached to the surface can be changed into carbon dioxide and water under the excitation of external light and automatically eliminated, so that the self-cleaning effect of the liquid crystal display screen is greatly improved.
Description
Technical Field
The invention relates to the technical field of liquid crystal display screens, in particular to a self-cleaning method of a liquid crystal display.
Background
The surface of the liquid crystal screen looks like a solid black screen, and a manufacturer can add a special coating on the screen. The main function of the special coating is to prevent the user from being subjected to reflection and glare of other light sources during use, and simultaneously enhance the color contrast effect of the liquid crystal screen. However, after long-term use, stains exist on the surface of the liquid crystal panel, which affects the visual effect, and the stains on the liquid crystal panel are mainly classified into two types, one is dust in the air adhered by long-term accumulation, and the other is fingerprints and oil stains left by a user carelessly.
The liquid crystal screen surface easily produces static, can absorb the floating dust in the air, and the time is long, and is very easy dirty, in addition, when the room air humidity is big, the display screen is 30-40 degrees with the contact angle of water, so very easily form the drop on the surface to the drop is difficult for the landing, in drop drying process, the dust in the air of very easy absorption again, forms the water mark after the drying, and the day is long, forms the dirt.
The existing display is clean, most of the existing displays are manually sprayed with water and cleaned, dust on the surfaces of the displays is removed, however, the cleaning effect on residual dirt is poor, and the dirt is always adhered to the surfaces of display screens, so that the difficulty in cleaning the dirt is increased more and more.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a self-cleaning method of a liquid crystal display, which solves the problem that the cleaning effect of the existing display on residual dirt is poor.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for self-cleaning a liquid crystal display includes the steps of,
s1: preparing titanium dioxide sol: dripping butyl titanate into a mixed solution containing 95% ethanol and glacial acetic acid, wherein the butyl titanate can be hydrolyzed when meeting water to form titanium dioxide sol, and adding boron oxide and a catalyst into the titanium dioxide sol to form a mixed solution L1;
s2: mixing and dissolving: adding nanoparticles, a surfactant and an adhesive into part of the titanium dioxide sol, and stirring to form a suspension L2;
s3: cleaning: cleaning the polaroid on the outermost layer of the display screen by using a cleaning agent, and drying the polaroid;
s4: a first coating layer: coating the outer side wall of the polaroid with titanium dioxide colloid L1, drying and curing to obtain an oxide connecting layer, and finishing the coating of the first coating;
s5: and (3) second coating: coating the suspension L2 on the surface of the base material coated with the titanium dioxide colloid L1, and drying and curing to obtain a self-cleaning second coating;
s6: grafting: grafting the second coating layer by a solution of a low surface energy substance, and air-drying;
s7, installation: and fixing the grafted polaroid sheet and a color filter of the liquid crystal display to finish the assembly of the liquid crystal display.
Preferably, the nanoparticles are any one of silicon nitride, silicon carbide or their combination.
Preferably, the particle size of the nano particles is 10nm to 500nm.
Preferably, the curing temperature is 300-450 ℃, and the curing time is 8-16 h.
Preferably, the thickness of the first coating layer is not higher than 5nm, and the thickness of the second coating layer is not higher than 10nm.
Preferably, the catalyst is provided as boric acid.
Preferably, the mass percentage of the low surface energy substance-containing solution is set to be 2-6%, and the grafting time is set to be 30min-12h.
Preferably, the first coating and the second coating are cured and then are kept warm at 300 ℃ for 1h.
(III) advantageous effects
The invention provides a self-cleaning method of a liquid crystal display. The method has the following beneficial effects:
1. the outer side wall of the liquid crystal display screen is coated with the first coating and the second coating, silicon dioxide is arranged inside the first coating and the second coating, when the titanium dioxide photocatalyst meets sunlight or fluorescent lamps and ultraviolet irradiation, organic matters and pollutants attached to the surface can be changed into carbon dioxide and water under the excitation of external light and are automatically eliminated, and the self-cleaning effect of the liquid crystal display screen is greatly improved.
2. The boron oxide and the catalyst are added in the first coating and the second coating, so that the light transmission of the first coating and the second coating can be effectively improved, and the photocatalytic efficiency of the coatings is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a self-cleaning method of a liquid crystal display, which comprises the following steps,
s1: preparing titanium dioxide sol: the preparation method comprises the steps of dropwise adding butyl titanate into a mixed solution containing 95% of ethanol and glacial acetic acid, wherein the butyl titanate can be hydrolyzed when meeting water to form titanium dioxide sol, adding boron oxide and a catalyst into the titanium dioxide sol to form a mixed solution L1, and setting the catalyst to be boric acid.
S2: mixing and dissolving: adding nanoparticles, a surfactant and a binder into part of titanium dioxide sol, and stirring to form a suspension L2, wherein the particle size of the nanoparticles is 10-500 nm, and the nanoparticles are any one or combination of silicon nitride and silicon carbide.
S3: cleaning: and cleaning the polaroid on the outermost layer of the display screen by using a cleaning agent, and drying the polaroid.
S4: a first coating layer: coating titanium dioxide colloid L1 on the outer side wall of the polaroid, drying and curing to obtain an oxide connecting layer, and finishing coating of the first coating, wherein the curing temperature is 300-450 ℃, the curing time is 8-16 h, the thickness of the first coating is not higher than 5nm, and the first coating is cured and then is kept at 300 ℃ for 1h.
S5: and (3) second coating: and coating the suspension L2 on the surface of the base material coated with the titanium dioxide colloid L1, drying and curing to obtain a self-cleaning second coating, wherein the curing temperature is 300-450 ℃, the curing time is 8-16 h, the thickness of the second coating is not higher than 10nm, and the second coating is subjected to heat preservation at 300 ℃ for 1h after being cured.
s6: grafting: and (3) carrying out grafting treatment on the second coating through a solution of a low-surface-energy substance, wherein the mass percentage of the low-surface-energy substance in the solution is set to be 2-6%, and the grafting time is set to be 30min-12h, and carrying out air drying.
S7, installation: and fixing the grafted polaroid sheet and a color filter of the liquid crystal display to finish the assembly of the liquid crystal display.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for self-cleaning a liquid crystal display comprises the following steps:
s1: preparing titanium dioxide sol: dripping butyl titanate into a mixed solution containing 95% ethanol and glacial acetic acid, wherein the butyl titanate can be hydrolyzed when meeting water to form titanium dioxide sol, and adding boron oxide and a catalyst into the titanium dioxide sol to form a mixed solution L1;
s2: mixing and dissolving: adding nanoparticles, a surfactant and an adhesive into a part of titanium dioxide sol, and stirring to form a suspension L2;
s3: cleaning: cleaning the polaroid on the outermost layer of the display screen by using a cleaning agent, and drying the polaroid;
s4: a first coating layer: coating the outer side wall of the polaroid with titanium dioxide colloid L1, drying and curing to obtain an oxide connecting layer, and finishing coating the first coating;
s5: and (3) second coating: coating the suspension L2 on the surface of the base material coated with the titanium dioxide colloid L1, and drying and curing to obtain a self-cleaning second coating;
s6: grafting: grafting the second coating layer by a solution of a low surface energy substance, and air-drying;
s7, installation: and fixing the polarizing film subjected to the grafting treatment with a color filter of the liquid crystal display to complete the assembly of the liquid crystal display.
2. A method of self-cleaning a liquid crystal display according to claim 1, wherein: any one of the nano-particle silicon nitride and silicon carbide or the combination of the silicon nitride and the silicon carbide.
3. A method of self-cleaning a liquid crystal display according to claim 1, wherein: the particle size of the nano-particles is 10 nm-500 nm.
4. A method of self-cleaning a liquid crystal display according to claim 1, wherein: the curing temperature is 300-450 ℃, and the curing time is 8-16 h.
5. A method of self-cleaning a liquid crystal display according to claim 1, wherein: the thickness of the first coating layer is not higher than 5nm, and the thickness of the second coating layer is not higher than 10nm.
6. A method of self-cleaning a liquid crystal display according to claim 1, wherein: the catalyst is set to be boric acid.
7. A method of self-cleaning a liquid crystal display according to claim 1, wherein: the mass percentage of the low surface energy substance-containing solution is set to be 2-6%, and the grafting time is set to be 30min-12h.
8. A method of self-cleaning a liquid crystal display according to claim 1, wherein: and after the first coating and the second coating are cured, the temperature is kept at 300 ℃ for 1h.
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| CN202211010479.8A CN115415140A (en) | 2022-08-23 | 2022-08-23 | Self-cleaning method for liquid crystal display |
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| CN202211010479.8A CN115415140A (en) | 2022-08-23 | 2022-08-23 | Self-cleaning method for liquid crystal display |
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| CN108067215A (en) * | 2017-11-28 | 2018-05-25 | 中国科学院宁波材料技术与工程研究所 | A kind of strontium doping nano titanium dioxide photocatalysis coating and preparation method thereof |
| CN108623184A (en) * | 2017-03-20 | 2018-10-09 | 洛阳尖端技术研究院 | A kind of preparation method of self-cleaning glass coating |
| CN114574086A (en) * | 2022-03-16 | 2022-06-03 | 陕西科技大学 | Self-cleaning coating with super-hydrophobic and photocatalytic functions and preparation method thereof |
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2022
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