CN109705728A - A kind of uvioresistant film and preparation method thereof for the surface QD-LCD - Google Patents
A kind of uvioresistant film and preparation method thereof for the surface QD-LCD Download PDFInfo
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Abstract
The present invention relates to uvioresistant technical fields, disclose a kind of uvioresistant film and preparation method thereof for the surface QD-LCD.Step 1: being put into 9~11 parts of propyl trimethoxy silicane in flask, and 9~11 parts of methyltrimethoxysilane, 18~22 parts of tetraethyl orthosilicate are stirred, and thus obtain solution-gel A；Step 2: at room temperature, by 9~11 parts of solution-gel A, 36~44 parts of ethyl alcohol, 36~44 parts of distilled water, 2.7~3.3 parts of hydrochloric acid are stirred, and thus obtain solution-gel B；Step 3: by 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12~16 parts of benzotriazole be placed in 77~95 parts of methyl ethyl ketone dissolution after, obtain solution A；Step 4: 3.6~4.4 parts of solution A, 87~105 parts of solution-gel B are stirred, obtained sol-gel is coated on the surface QD-LCD, and uvioresistant film is made.Uvioresistant film of the invention is made by the above process, is coated on the surface QD-LCD, remaining ultraviolet light can be filtered.
Description
Technical field
The present invention relates to uvioresistant technical field, especially a kind of uvioresistant film and its system for the surface QD-LCD
Preparation Method.
Background technique
Of new generation technology of the QD-LCD (quantum dot liquid crystal display) as conventional liquid crystal structure, using ultraviolet light
Source, the colour gamut that the size by controlling nano semiconductor material lateral size of dots issues specific frequency is wider, color is distincter
The light of RGB color.Such as Chinese invention patent application " a kind of liquid crystal display device structure " (application number 201811608685.2)
Structure.Quantum dot liquid crystal display device structure in order to improve from backlight issue light light efficiency, eliminate on traditional structure
The colored filter for 2/3 light quantity that the absorption of side is issued from backlight, passes through the quantum of quantum dot liquid crystal display device structure lower layer
Specific RGB color that point issues and by lenticule and quantum dot matrix it is corresponding realize it is linear shine, to improve light efficiency.
Improving light efficiency can reduce power consumption, or under same power consumption, improve the use duration of mobile electronic device extremely
Originally three times, or the brightness of display screen is improved to original three times.Its upgrade version quantum dot liquid crystal display and tradition
There are maximum differences to be on liquid crystal display device structure: first, in quantum dot liquid crystal display device structure, and the shape of RGB color
At being to be formed by the color of quantum dot itself, therefore do not need colored filter.Second, in conventional liquid crystal structure
Backlight be White LED light, but in quantum dot liquid crystal display device structure, it is two pole of ultra-violet light-emitting that backlight, which uses,
Pipe.
It is white luminous LED light used in backlight, but in quantum dot liquid crystal display in conventional liquid crystal structure
Must be used the reasons why UV LED in device structure is: firstly, white light is as mixed light, it is actually former by RGB tri-
Color is mixed in a certain ratio.It can be real after filtering white light using colored filter in general liquid crystal display device structure
Existing RGB；But in quantum dot liquid crystal display device structure, the rgb light of the single line emission issued from the quantum dot of structural base is taken
For colored filter, colored light will lead to color instead and mix.Secondly, purple cannot be used in conventional liquid crystal structure
UV light-emitting diode is to belong to black light because ultraviolet light is located in spectrum except purple light.Therefore, coloured light is not had to pass through
Colored filter, still no color.In addition, from the intensity of light, ultraviolet light > blue light > feux rouges > green light > white light.Purple light
Not only intensity is high, and does not have color, final color will not be caused to mix, impure, is the backlight of quantum dot liquid crystal display
Optimal selection.
And it is known that ultraviolet light refers to the light of sunlight medium wavelength 10 nanometers to 400 nanometers (nm).According to wavelength model
The difference enclosed particularly may be divided into UVA (wave-length coverage be 320~400 nanometers, long wave), (wave-length coverage is 290~320 to receive to UVB
Rice, medium wave), UVC (wave-length coverage be 200~290 nanometers, shortwave).The bactericidal effect that ultraviolet light itself has makes its conduct
Sterilizing unit is widely used in including medical treatment, food, chemical industry etc..In addition, suitable ultraviolet light can help to promote body
The generation of interior vitamin D, if but human body is excessively exposed to ultraviolet light, body may be caused instead expendable
Injury.It can cause to include skin elasticity decline, wrinkle, freckle deterioration etc. with the UVA across epidermis and the strong penetration of corium
Skin aging problem, cutaneum carcinoma can be induced if serious.In addition, UVA, UVB and UVC also can include angle to the eyes of human body
The part such as film, retina causes serious injury, and causes keratitis, temporary or permanent vision is impaired, and individual serious conditions are very
To causing to blind.
The utilization rate of the strong light issued to UV LED due to quantum dot is usually 90%.Therefore, it is left 10%
Strong light how to handle be that this patent solves the problems, such as.In the prior art, increase on the surface of quantum dot liquid crystal display device structure
The process of the film of one layer of ultraviolet blocking-up is no.Because the focus of quantum dot liquid crystal display device structure originally is to mention
High photosynthetic efficiency, but have ignored the bad influence that may result in using UV LED.
Summary of the invention
The technical problems to be solved by the present invention are: applying to make up UV LED as backlight in quantum
Point liquid crystal display device structure, can lead to the problem of remaining ultraviolet light, provide a kind of uvioresistant film for the surface QD-LCD
And preparation method.
The technical solution adopted by the invention is as follows: a kind of uvioresistant film for the surface QD-LCD, in parts by weight, packet
It includes: 3.6~4.4 parts of solution A, solution-gel B87~105 part；
The solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12~16 parts of benzotriazole, 77~95 parts of methyl ethyl ketone；
The solution-gel B includes 9~11 parts of solution-gel A, 36~44 parts of ethyl alcohol, and 36~44 parts of distilled water, hydrochloric acid
2.7~3.3 parts；
The solution-gel A includes 9~11 parts of propyl trimethoxy silicane, and 9~11 parts of methyltrimethoxysilane, silicon
18~22 parts of sour tetra-ethyl ester.
Further, the uvioresistant film for the surface QD-LCD, in parts by weight, comprising: 4 parts of solution A, molten
Liquid -96 parts of gel B；
The solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole, 86 parts of methyl ethyl ketone；
The solution-gel B includes 10 parts of solution-gel A, 40 parts of ethyl alcohol, and 40 parts of distilled water, 3 parts of hydrochloric acid；
The solution-gel A includes 10 parts of propyl trimethoxy silicane, and 10 parts of methyltrimethoxysilane, silicic acid tetrem
20 parts of ester.
Further, the uvioresistant film for the surface QD-LCD, for being coated on the surface QD-LCD.
Further, the QD-LCD structure of the surface coated: including backlight module, lower layer's polaroid, film crystal
Pipe matrix, liquid crystal, upper layer polaroid further include ultraviolet source, quantum dot matrix layer and micro-lens arrays layer, the ultraviolet source
Positioned at the side of backlight module, the backlight module, quantum dot matrix layer, micro-lens arrays layer, lower layer's polaroid, film crystal
Successively lamination is arranged for pipe matrix, liquid crystal and upper layer polaroid, and the lenticule has corresponding on the direction perpendicular to lamination
Quantum dot substance, the refraction site of the lenticule make the RGB color light reflected perpendicular to stack direction.
The invention also discloses a kind of preparation methods of uvioresistant film for the surface QD-LCD, including following procedure:
Step 1: being put into 9~11 parts of propyl trimethoxy silicane in flask, and 9~11 parts of methyltrimethoxysilane, silicon
18~22 parts of sour tetra-ethyl ester is stirred, and thus obtains solution-gel A；
Step 2: at room temperature, by 9~11 parts of solution-gel A, 36~44 parts of ethyl alcohol, 36~44 parts of distilled water, hydrochloric acid
2.7~3.3 parts are stirred, and thus obtain solution-gel B；
Step 3: by 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12~16 parts of benzotriazole be placed in 77~95 parts of methyl ethyl ketone dissolutions
Afterwards, solution A is obtained；
Step 4: 3.6~4.4 parts of solution A, 87~105 parts of solution-gel B are stirred, and obtained colloidal sol-is solidifying
Glue is coated on the surface QD-LCD, and uvioresistant film is made.
Further, in the step 1, the solution-gel A includes 10 parts of propyl trimethoxy silicane, methyl trimethoxy
10 parts of oxysilane, 20 parts of tetraethyl orthosilicate；
In the step 2, the solution-gel B includes 10 parts of solution-gel A, 40 parts of ethyl alcohol, and 40 parts of distilled water, salt
3 parts of acid；
In the step 3, the solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole, methyl ethyl ketone 86
Part；
In the step 4,4 parts of solution A, 96 parts of solution-gel B.
Compared with prior art, having the beneficial effect that using technical solution of the present invention by adopting the above technical scheme, for
It is arranged using the QD-LCD of ultraviolet source, one layer of uvioresistant film is coated in quantum dot liquid crystal display surface, just as in the sun
It is the same that a membrane traps ultraviolet light is plated on eyeglass, can filter remaining ultraviolet light, eliminates ultraviolet light bring to human body
Harm.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
Embodiment 1
9 parts of propyl trimethoxy silicane are taken in flask, 9 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
Solution-gel A；
At room temperature, by 9 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) benzotriazole is after 14 parts of (i.e. UV329) is placed in 77 parts of methyl ethyl ketone dissolutions, to obtain
To solution A；
4 parts of solution A, 87 parts of solution-gel B are stirred, obtained sol-gel is applied on the surface QD-LCD
Uvioresistant film 1 is made in cloth.
Embodiment 2
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 18 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 36 parts of ethyl alcohol, 36 parts of distilled water, 2.7 parts of hydrochloric acid are stirred, thus
Obtain solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12 parts of benzotriazole (i.e. UV329) be placed in 86 parts of methyl ethyl ketone dissolution after, obtain
Solution A；
3.6 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel carries out on the surface QD-LCD
Coating, is made uvioresistant film 2.
Embodiment 3
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole (i.e. UV329) be placed in 86 parts of methyl ethyl ketone dissolution after, obtain
Solution A；
4 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel is applied on the surface QD-LCD
Uvioresistant film 3 is made in cloth.
Embodiment 4
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 22 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 44 parts of ethyl alcohol, 44 parts of distilled water, 3.3 parts of hydrochloric acid are stirred, thus
Obtain solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 16 parts of benzotriazole (i.e. UV329) be placed in 86 parts of methyl ethyl ketone dissolution after, obtain
Solution A；
4.4 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel carries out on the surface QD-LCD
Coating, is made uvioresistant film 4.
Embodiment 5
11 parts of propyl trimethoxy silicane are taken in flask, 11 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 11 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole (i.e. UV329) be placed in 95 parts of methyl ethyl ketone dissolution after, obtain
Solution A；
4 parts of solution A, 105 parts of solution-gel B are stirred, obtained sol-gel carries out on the surface QD-LCD
Coating, is made uvioresistant film 5.
Embodiment 6
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
By 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 15 parts of benzotriazole (i.e. UV329) be placed in 86 parts of methyl ethyl ketone dissolution after, obtain
Solution A；
3.8 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel carries out on the surface QD-LCD
Coating, is made uvioresistant film 6.
Test one
Control group 1, control group 2, control group 3, control group 4 and experimental group 1 are set.Control group 1 is the QD- not being coated with
The ultraviolet light surplus of LCD, experimental group 1 are embodiment 3.
The preparation of control group 2:
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
After 2- (2- hydroxyl -5- benzyl) 14 parts of benzotriazole (i.e. UVP) is placed in 86 parts of methyl ethyl ketone dissolutions, solution is obtained
A；
4 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel is applied on the surface QD-LCD
Uvioresistant film 6 is made in cloth.
The preparation of control group 3:
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
2'- (2'- hydroxyl -3'- tert-butyl -5'- aminomethyl phenyl) 14 parts of -5- chlorobenzotriazole (i.e. UV326) is placed in first
After 86 parts of ethyl ketone dissolutions, solution A is obtained；
4 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel is applied on the surface QD-LCD
Uvioresistant film 7 is made in cloth.
The preparation of control group 4:
10 parts of propyl trimethoxy silicane are taken in flask, 10 parts of methyltrimethoxysilane, 20 parts of tetraethyl orthosilicate, are obtained
To solution-gel A；
At room temperature, by 10 parts of solution-gel A, 40 parts of ethyl alcohol, 40 parts of distilled water, 3 parts of hydrochloric acid are stirred, thus
To solution-gel B；
After being placed in 86 parts of methyl ethyl ketone dissolutions for 14 parts of 2-hydroxy-4-n-octoxybenzophenone (i.e. UV531), solution is obtained
A；
4 parts of solution A, 96 parts of solution-gel B are stirred, obtained sol-gel is applied on the surface QD-LCD
Uvioresistant film 8 is made in cloth.
A kind of embodiment of QD-LCD structure: including backlight module (reflector and light guide plate including successively lamination), under
Layer polaroid, film transistor matrix, liquid crystal, upper layer polaroid, further include ultraviolet source, quantum dot matrix layer and lenticule battle array
Column layer, the ultraviolet source are located at the side of backlight module, the backlight module, quantum dot matrix layer, micro-lens arrays layer, under
Successively lamination is arranged for layer polaroid, film transistor matrix, liquid crystal and upper layer polaroid, and (lenslet dimension is small for the lenticule
In pixel wide) there is corresponding quantum dot substance on the direction perpendicular to lamination, the substance size of the quantum dot should expire
For foot-shape at the condition of RGB color, the refraction site of the lenticule makes refracted light perpendicular to stack direction.Quantum dot matrix
The quantum dot sites of layer correspond on the direction perpendicular to lamination with thin film transistor (TFT).In the polaroid of lower layer, QD object is set
Matter makes the UV energy of projection accurately obtain RGB color by the way that the size of QD substance is arranged；Ultraviolet source passes through quantum dot matrix
Layer generates blue, purple, red, and the RGB color obtained this when is scattering.When quantum dot substance releases rgb light, dissipate
The light penetrated can be issued to outside, and the present embodiment is between quantum dot matrix layer and lower layer's polaroid by being arranged lenticule, because
This launches mixed and disorderly RGB light on individual quantum dots, and RGB light makes to dissipate in LCD construction by the corresponding lenticule in top
The light penetrated can also be utilized well, form the light of unidirectional RGB color.It compares with traditional structure, is inhaled by colored filter
Receiving 2/3 light fallen can all be used, and effectively improved light efficiency, also greatly reduced electricity consumed by backlight module
Amount.But by the QD-LCD of above structure, have remaining ultraviolet light.Uvioresistant film of the invention be exactly be used to absorb it is surplus
The ultraviolet light of remaining part point.
Control group 1, control group 2, control group 3, control group 4 and experimental group 1 are tested, tested under identical circumstances
The remaining content of its ultraviolet light, as shown in table 1.
Table 1
| Number | UV absorbs type agent | UV-A | UV-B | UV-C |
| Control group 1 | It is uncoated | 38.53% | 16.05% | 1.77% |
| Control group 2 | UV P | 4.58% | 0.37% | 0.63% |
| Control group 3 | UV 326 | 3.20% | 0.12% | 0.20% |
| Control group 4 | UV 531 | 7.07% | 0.01% | 0.00% |
| Experimental group 1 | UV 329 | 0.21% | 0.01% | 0.05% |
From experimental result, it will be seen that compared with uncoated 1 benchmark of control group, control group 2, control group
3, the barriering effect of control group 4 has sizable promotion.Particularly, the barriering effect of experimental group 3 is optimal, can be ultraviolet
Each wave band (UV-A, UV-B, UV-C) of line realizes outstanding barriering effect.Therefore, through the solution-gel in the content of present invention
Ultraviolet isolating film after coating can be realized outstanding barriering effect.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (6)
1. a kind of uvioresistant film for the surface QD-LCD, in parts by weight characterized by comprising solution A 3.6~
4.4 parts, 87~105 parts of solution-gel B；
The solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12~16 parts of benzotriazole, 77~95 parts of methyl ethyl ketone；
The solution-gel B includes 9~11 parts of solution-gel A, 36~44 parts of ethyl alcohol, and 36~44 parts of distilled water, hydrochloric acid 2.7
~3.3 parts；
The solution-gel A includes 9~11 parts of propyl trimethoxy silicane, and 9~11 parts of methyltrimethoxysilane, silicic acid four
18~22 parts of ethyl ester.
2. being used for the uvioresistant film on the surface QD-LCD as described in claim 1, which is characterized in that described to be used for QD-LCD table
The uvioresistant film in face, in parts by weight, comprising: 4 parts of solution A, 96 parts of solution-gel B；
The solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole, 86 parts of methyl ethyl ketone；
The solution-gel B includes 10 parts of solution-gel A, 40 parts of ethyl alcohol, and 40 parts of distilled water, 3 parts of hydrochloric acid；
The solution-gel A includes 10 parts of propyl trimethoxy silicane, and 10 parts of methyltrimethoxysilane, tetraethyl orthosilicate 20
Part.
3. being used for the uvioresistant film on the surface QD-LCD as claimed in claim 2, which is characterized in that described to be used for QD-LCD table
The uvioresistant film in face, for being coated on the surface QD-LCD.
4. being used for the uvioresistant film on the surface QD-LCD as claimed in claim 3, which is characterized in that the surface coated
QD-LCD structure: further including ultraviolet including backlight module, lower layer's polaroid, film transistor matrix, liquid crystal, upper layer polaroid
Light source, quantum dot matrix layer and micro-lens arrays layer, the ultraviolet source are located at the side of backlight module, the backlight module,
Quantum dot matrix layer, micro-lens arrays layer, lower layer's polaroid, film transistor matrix, liquid crystal and upper layer polaroid successively lamination
Setting, the lenticule have corresponding quantum dot substance, the refraction site of the lenticule on the direction perpendicular to lamination
Make the RGB color light reflected perpendicular to stack direction.
5. a kind of preparation method of the uvioresistant film for the surface QD-LCD, which is characterized in that including following procedure:
Step 1: being put into 9~11 parts of propyl trimethoxy silicane in flask, and 9~11 parts of methyltrimethoxysilane, silicic acid four
18~22 parts of ethyl ester are stirred, and thus obtain solution-gel A；
Step 2: at room temperature, by 9~11 parts of solution-gel A, 36~44 parts of ethyl alcohol, 36~44 parts of distilled water, hydrochloric acid 2.7
~3.3 parts are stirred, and thus obtain solution-gel B；
Step 3: by 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 12~16 parts of benzotriazole be placed in 77~95 parts of methyl ethyl ketone dissolution after, obtain
To solution A；
Step 4: 3.6~4.4 parts of solution A, 87~105 parts of solution-gel B are stirred, obtained sol-gel exists
The surface QD-LCD is coated, and uvioresistant film is made.
6. being used for the preparation method of the uvioresistant film on the surface QD-LCD as claimed in claim 5, which is characterized in that the step
In rapid one, the solution-gel A includes 10 parts of propyl trimethoxy silicane, and 10 parts of methyltrimethoxysilane, tetraethyl orthosilicate
20 parts；
In the step 2, the solution-gel B includes 10 parts of solution-gel A, 40 parts of ethyl alcohol, and 40 parts of distilled water, hydrochloric acid 3
Part；
In the step 3, the solution A include 2- [the tertiary pungent phenyl of 2- hydroxyl -5-) 14 parts of benzotriazole, 86 parts of methyl ethyl ketone；
In the step 4,4 parts of solution A, 96 parts of solution-gel B.
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| CN109705728B (en) | 2021-03-02 |
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