CN106646994A - Polarizer, liquid crystal display and method for preparing polarizer - Google Patents
Polarizer, liquid crystal display and method for preparing polarizer Download PDFInfo
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- CN106646994A CN106646994A CN201611147360.XA CN201611147360A CN106646994A CN 106646994 A CN106646994 A CN 106646994A CN 201611147360 A CN201611147360 A CN 201611147360A CN 106646994 A CN106646994 A CN 106646994A
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- polaroid
- polyelectrolyte
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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
- G02F1/133528—Polarisers
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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
- G02F1/1336—Illuminating devices
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The invention discloses a polarizer which is attached to the surface, facing to a backlight module, of an array substrate. The polarizer comprises a first protecting layer, a polarizing light layer and a second protecting layer which are successfully stacked; the first protecting layer and the second protecting layer are used for preventing the hydrolyzation of the polarizing light layer; the first protecting layer is positioned at one side, back-away from the array substrate, of the polarizing light layer; the polarizer also comprises a quantum dot function layer which is positioned between the first protecting layer and the polarizing light layer or one side, away from the polarizing light layer, of the first protecting layer; the quantum dot function layer is used for converting the single color backlight sent by the backlight module into colorful light. The colorful light sent by the quantum dot function layer has wide spectrum so that the LCD display has high color gamut and good color rendition; the quantum dot function layer is prepared inside the polarizer of a display device so that there is no need to add other devices; the manufacture procedure is simple and easy; the material cost and production cost are low.
Description
Technical field
The present invention relates to display technology field, more particularly, to the system of a kind of polaroid, liquid crystal display and polaroid
Preparation Method.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor-LCD, TFT-LCD) is flown in recent years
Speed development and be widely applied, it is widely used in the display device of Portable movable electronic product, such as mobile phone, digital phase
The mobile products such as machine, palm PC, GPRS.Due to LCD display module by filtering to backlight after show again,
Therefore the colour gamut of LCD depends entirely on the spectrum of backlight.But light emitting diode (Light Emitting Diode, LED)
Spectrum is narrow, cause using LED as the LCD display of backlight colour gamut than relatively low, easily there is color in the image of display
Distortion.In order to improve the display effect of LCD display, the colour gamut of LCD display is often improved using quanta point material.Quantum dot
There is (Quantum Dots, QDs) material luminescent spectrum to concentrate, and the advantages of excitation is high, quanta point material is arranged at into backlight
The colour gamut of LCD display can be increased substantially between module and display module, the color restoration capability of LCD display is improved.
In prior art, by luminescence band red, green, blue quantum dot hybrid package in engineering plastics film (QD
Film) or in glass tube (QD tube), and the position that the structure is placed between backlight and display system, with the conventional white back of the body
Light stimulus quanta point material sends colored light to reach the purpose of abundant colour gamut, but either QD film or QD tube are tied
, there is color rendition effect on driving birds is not good in structure, and due to polyethylene terephthalate (PET) film and small-bore glass must be used
Glass pipe is protected and encapsulated, and extra device is increased in the display device, there is production and material cost increases, prepares difficulty
Increase and the dependent problem of material.
The content of the invention
The technical problem to be solved in the present invention is to provide the preparation side of a kind of polaroid, liquid crystal display and polaroid
Method, to solve prior art in quantum dot plastic sheeting and Quantum Dot Glass pipe there is color rendition effect on driving birds is not good, Yi Jicun
Increase, prepare difficulty increasing and the dependent problem of material in production and material cost.
To solve above-mentioned technical problem, the present invention provides a kind of polaroid, is attached at array base palte in the face of backlight module
Surface, the polaroid includes the first protective layer, polarizing layer and the second protective layer being cascading, first protective layer
It is protective layer used with described second in preventing the polarizing layer to be hydrolyzed, first protective layer is located at the polarizing layer away from described
The side of array base palte, the polaroid also includes quantum dot functional layer, and the quantum dot functional layer is positioned at the described first protection
Layer and the polarizing layer between or first protective layer away from the polarizing layer side, the quantum dot functional layer be used for will
The Unicolor back light that the backlight module sends is converted into colored light.
Further, the quantum dot functional layer includes multiple polyelectrolyte layers and multiple quantum dot layers, the polyelectrolyte
Layer carries different electrical electric charge with the quantum dot layer, and the polyelectrolyte layer is stacked in described with the quantum dot layer
First protective layer is in the face of the polarizing layer side or away from the polarizing layer side, the polyelectrolyte layer and the quantum dot layer
It is alternately arranged, and a quantum dot layer, each institute are respectively adsorbed in the relative both sides of each polyelectrolyte layer
Respectively adsorb a polyelectrolyte layer in the relative both sides for stating quantum dot layer.
Further, the backlight module is the backlight for sending Blue backlight, and the quantum dot layer includes that at least one is red
Color tablets sublayer and at least one green particles layer, the erythropterin sublayer is used to for the Blue backlight to be partially converted into red light
Line, the green particles layer is used to for the Blue backlight to be partially converted into green light, an erythropterin sublayer and
The individual polyelectrolyte layer mutually adsorbs to form first particle layer, a green particles layer and a poly- electrolysis
Matter layer mutually adsorbs to form second particle layer, and first particle layer is alternately arranged with second particle layer, each two
Include second particle layer between adjacent first particle layer, between adjacent second particle layer of each two
Including first particle layer.
Further, the erythropterin sublayer includes multiple red quantum point particles, and the red quantum point particle includes nothing
Machine containment vessel and the emitting red light core being wrapped among the inorganic containment vessel；The green particles layer includes multiple green quantum
Point particle, the green quantum dot particles include that the inorganic containment vessel is sent out with the green being wrapped among the inorganic containment vessel
Light core, the inorganic containment vessel is used to protect the emitting red light core with the green emitting core.
Further, the inorganic containment vessel is CdS, ZnSe, ZnCdS2, ZnS, one or more in ZnO material of group
Close.
The present invention also provides a kind of liquid crystal display, the liquid crystal display include backlight module, display module and
Polaroid described in any of the above item, the display module includes array base palte, and the polarizer sheet sticking is in the array base palte
In the face of the side of the backlight module, the backlight module sends Unicolor back light and is converted into colored light simultaneously through the polaroid
Through the display module showing coloured image.
The present invention also provides a kind of preparation method of polaroid, including：
The second protective layer is formed in substrate surface coating Triafol T；
Polarizing layer is formed in second protective layer away from a side surface coating polyethylene alcohol of the base material；
Functional layer is put away from the side surface preparation amount of second protective layer in the polarizing layer, and in the quantum
Point functional layer forms the first protective layer away from the side surface coating Triafol T of the polarizing layer,
Or, form first away from the side surface coating Triafol T of second protective layer in the polarizing layer
Protective layer, and put functional layer away from the side surface preparation amount of the polarizing layer in first protective layer.
Further, the method for described " preparing quantum dot functional layer " includes：
Deviate from the polarisation away from a side surface or first protective layer of second protective layer in the polarizing layer
The diallyl dimethyl ammoniumchloride of one side surface coating zone positive charge of layer forms polyelectrolyte layer；
Erythropterin sublayer is formed in the red quantum point particle of the polyelectrolyte layer surface coating zone negative electrical charge；
The positively charged diallyl dimethyl ammoniumchloride is coated with the red particles layer surface to be formed again
The polyelectrolyte layer；
Green particles layer is formed in the green quantum dot particles of the polyelectrolyte layer surface coating zone negative electrical charge, and is repeated
Above procedure.
Further, the diallyl dimethyl ammoniumchloride, red quantum point particle, the green quantum are coated with
Air knife drying is adopted after point particle.
Further, the concentration of the diallyl dimethyl ammoniumchloride is 2mg/mL.
Beneficial effects of the present invention are as follows：The monochromatic light that backlight module sends excites the quantum dot being arranged in polaroid
Functional layer sends colored light, and using colored light as backlight through display module with display image, quantum dot functional layer is sent out
The spectral width of the colored light for going out, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, by quantum dot
Functional layer is prepared in the polaroid that display device itself has, and without the need for increasing additional devices, and processing procedure is simply easily realized, material
Material cost and production cost are relatively low.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other substantially modes of texturing are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the polaroid that the embodiment of the present invention one is provided.
Fig. 2 is the structural representation of the quantum dot functional layer of the polaroid that the embodiment of the present invention one is provided.
Fig. 3 is the flow chart of the preparation method of the polaroid that the embodiment of the present invention one is provided.
The process of the step of Fig. 4 a～Fig. 4 e are the preparation method of the polaroid that the embodiment of the present invention one is provided S103 is illustrated
Figure.
Fig. 5 is the structural representation of the polaroid that the embodiment of the present invention two is provided.
Fig. 6 is the flow chart of the preparation method of the polaroid that the embodiment of the present invention two is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation of the polaroid that the embodiment of the present invention one is provided, as illustrated, polaroid includes layer successively
Folded the first protective layer 22, the protective layer 24 of polarizing layer 10 and second for arranging, the first protective layer 22 is used to prevent with the second protective layer 24
Only polarizing layer 10 is hydrolyzed, and the first protective layer 22 is located at polarizing layer 10 away from the side of array base palte 70, and polaroid also includes amount
Son point functional layer 30, quantum dot functional layer 30 is located between the first protective layer 22 and polarizing layer 10, and quantum dot functional layer 30 is used for
The Unicolor back light that backlight module sends is converted into colored light.
The monochromatic light that backlight module sends excites the quantum dot functional layer 30 being arranged in polaroid to send colored light,
The spectrum of the colored light sent with display image, quantum dot functional layer 30 through display module as backlight using colored light
Width, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, quantum dot functional layer 30 is prepared in into display
In the polaroid that equipment itself has, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost
It is relatively low.
Specifically, polarizing layer 10 is the polyvinyl alcohol (PVA) after dyeing, is the main membrane that polarization function is played in polaroid
Layer, but PVA is easily hydrolyzed, in order to protect the physical characteristic of light polarizing film, thus in the both sides of PVA each compound one layer there is bloom
Triafol T (TAC) film that transmitance, water-tolerant have certain mechanical strength again is protected, i.e. the first protective layer 22
With the second protective layer 24.Further, polaroid also includes base material 40, for carrying each film layer of polaroid.Specifically, base material
40 include the first surface 402 that is oppositely arranged and second surface 404, first surface 402 be cascading the second protective layer 24,
Polarizing layer 10, the protective layer 22 of quantum dot functional layer 30 and first, second surface 404 is coated with certain thickness pressure-sensitive adhesive layer 502
(PSA film), and pressure-sensitive adhesive layer 502 is protected separating film layer 504 (Release film) on being combined.Show in LCD
In the manufacture process of device, polarizer sheet sticking in array base palte 70 in the face of backlight module side, specifically, peel off polaroid every
From film layer 504, and polaroid is fitted on array base palte 70 by compressing pressure-sensitive adhesive layer 502.Polaroid structure is simple and easy
In preparation, and it is simple to be attached at the mode of display module.
Further, the first protective layer 22 is also compounded with diaphragm 60, anti-away from a side surface of quantum dot functional layer 30
Film, semi-transparent semi-reflecting glue-line film etc. are penetrated, goes for different product types and use demand.
With reference to Fig. 2, in the present embodiment, quantum dot functional layer 30 includes multiple polyelectrolyte layers 300 and multiple quantum dot layers
31, polyelectrolyte layer 300 carries different electrical electric charge with quantum dot layer 31, and each polyelectrolyte layer 300 adsorbs an amount
Son point layer 31, and polyelectrolyte layer 300 and quantum dot layer 31 interlock successively, stacked arrangement.Specifically, polyelectrolyte layer 300
It is that the cationic polyelectrolyte with positive charge is formed, quantum dot layer 31 is that the quantum dot particles with negative electrical charge are formed, gathers electricity
Solution matter layer 300 is mutually adsorbed with quantum dot layer 31 with electrostatic adsorption force.Polyelectrolyte layer 300 is laminated staggered row with quantum dot layer 31
Row, further, polyelectrolyte layer 300 and quantum dot layer 31 be stacked in the first protective layer 22 in the face of the side of polarizing layer 10 or
Away from the side of polarizing layer 10, specifically, polyelectrolyte layer 300 is alternately arranged with quantum dot layer 31, and the surface of the first protective layer 22 is pressed
According to 300, one layer of quantum dot layer 31 of a strata dielectric substrate, 300, one layer of quantum dot layer 31 of strata dielectric substrate order successively
Laminated multi-layer polyelectrolyte layer 300 respectively adsorbs one with the relative both sides of quantum dot layer 31, i.e. each polyelectrolyte layer 300
Respectively adsorb a polyelectrolyte layer 300 in quantum dot layer 31, the relative both sides of each quantum dot layer 31.A kind of embodiment
In, odd-level is polyelectrolyte layer 300, and even level is quantum dot layer 31.Because each quantum dot layer 31 is required for one to gather
The absorption of dielectric substrate 300 is fixed, therefore polyelectrolyte layer 300 is identical with the number of plies of quantum dot layer 31, and polyelectrolyte layer 300 and
The number of plies of quantum dot layer 31 is determined according to the actual displayed demand of LCD display.Specifically, polyelectrolyte layer 300 is used as absorption
Quantum dot layer 31 simultaneously supports the material of the structure of quantum dot functional layer 30, and itself there is the monochromatic light of conversion to be colored light
Ability, the ability for converting light is completed by quantum dot layer 31, and the number of plies of quantum dot layer 31 determines 30 pairs of lists of quantum dot functional layer
The conversion ratio of color backlight, the i.e. number of plies of quantum dot layer 31 is more, and it is more that Unicolor back light is converted.On the other hand, quantum dot is worked as
When the number of plies of layer 31 is fixed, the brightness of Unicolor back light is adjusted, the Unicolor back light that can be converted due to each quantum dot layer 31
Ability is fixed, and mono-color backlight brightness is bigger, removes the part Unicolor back light of the conversion of quantum dot layer 31, the monochrome not being converted
Backlight is more, and the image light that LCD display device shows more is partial to the color of Unicolor back light.Meanwhile, same quantum dot layer
The conversion capability of the Unicolor back light of 31 pairs of different wave lengths (color) is also had any different, therefore by changing the number of plies of quantum dot layer 31, can
With the effect that the Unicolor back light of different colours of arranging in pairs or groups, different brightness controls to adjust colour gamut.
In the present embodiment, backlight module is the backlight for sending Blue backlight, and quantum dot layer 31 includes that at least one is red
The green particles layer 304 of particle layer 302 and at least one, erythropterin sublayer 302 is used to for Blue backlight to be partially converted into red light
Line, green particles layer 304 is used to for Blue backlight to be partially converted into green light, an erythropterin sublayer 302 and a poly- electricity
The mutually absorption of solution matter layer 300 forms first particle layer, and a green particles layer 304 is mutual with a polyelectrolyte layer 300
Absorption forms second particle layer, and the first particle layer and the second particle layer interlock, stacked arrangement.Specifically, the first particle layer
With the second particle layer according to one layer of first particle layer, one layer of second particle layer, one layer of first particle layer, one layer of second particle layer
Order be arranged in order, i.e., between the first adjacent particle layer of each two include second particle layer, each two it is adjacent second
Include first particle layer between particle layer.Further, in quantum dot functional layer 30, each film layer is according to polyelectrolyte layer
300th, erythropterin sublayer 302, polyelectrolyte layer 300, green particles layer 304 circulate successively stacked arrangement.The equal redness of the number of plies
Particle layer 302 and green particles layer 304 are by the red light and green light of Blue backlight Partial Conversion equivalent, while collocation is not
The Blue backlight being converted, makes through polaroid to export and is Red Green Blue composition into the backlight of display module
Colored light, improves the chromatogram of backlight, so as to increase the colour gamut of LCD display device.
In the present embodiment, erythropterin sublayer 302 includes multiple red quantum point particles, and red quantum point particle includes inorganic
Containment vessel and the emitting red light core being wrapped among inorganic containment vessel；Green particles layer 304 includes multiple green quantum dot particles,
Green quantum dot particles include inorganic containment vessel and the green emitting core being wrapped among inorganic containment vessel, and inorganic containment vessel is used for
Protect emitting red light core and green emitting core to keep the physical stability of emitting red light core and green emitting core.
In the present embodiment, inorganic containment vessel is CdS, ZnSe, ZnCdS2, ZnS, one or more in ZnO material of group
Close, red light material includes CdSe, Cd2SeTe, InAs, ZnCuInSxSey and CuInSx, green light material includes ZnCdSe2、InP、
Cd2Sse, ZnCuInSxSey and CuInSx.
In the present embodiment, polyelectrolyte layer 300 is formed for diallyl dimethyl ammoniumchloride (PDDA) material, and is made
Diallyl dimethyl ammoniumchloride concentration is 2mg/mL.Diallyl dimethyl ammoniumchloride cost is relatively low, will not be compared with
It is increase material cost more.
The monochromatic light that backlight module sends excites the quantum dot functional layer 30 being arranged in polaroid to send colored light,
The spectrum of the colored light sent with display image, quantum dot functional layer 30 through display module as backlight using colored light
Width, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, quantum dot functional layer 30 is prepared in into display
In the polaroid that equipment itself has, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost
It is relatively low.
Fig. 3 is the flow chart of the preparation method of the polaroid that the embodiment of the present invention one is provided, as illustrated, the system of polaroid
Standby step is as follows：
S101, the surface of base material 40 coating Triafol T formed the second protective layer 24.
The characteristics of there is Triafol T high light transmission rate, water-tolerant to have certain mechanical strength again, is adapted to protect
The material of facile hydrolysis is protected to prevent it from hydrolyzing.
S102, the side surface coating polyethylene alcohol for deviating from base material 40 in the second protective layer 24 form polarizing layer 10.
Before coating through dyeing, with polarization function, but polyvinyl alcohol is easily hydrolyzed polyvinyl alcohol, is needed poly-
There is high light transmission rate, water-tolerant to have the Triafol T of certain mechanical strength thin again for each compound one layer of the both sides of vinyl alcohol
Film is protected.
S103, the side surface preparation amount point functional layer 30 for deviating from the second protective layer 24 in polarizing layer 10.
Specifically, please refer to Fig. 4 a～Fig. 4 e, S103 includes following sub-step：
Deviate from the diallyl dimethyl chlorine of a side surface coating zone positive charge of the second protective layer 24 in polarizing layer 10
Change ammonium and form polyelectrolyte layer 300；
Negatively charged red quantum point particle is coated with the surface of polyelectrolyte layer 300 form erythropterin sublayer 302；
The positively charged diallyl dimethyl ammoniumchloride is coated with the surface of erythropterin sublayer 302 form poly- again
Dielectric substrate 300；
Negatively charged green quantum dot particles are coated with the surface of polyelectrolyte layer 300 and form green particles layer 304, lay equal stress on
Multiple above procedure.
Further, erythropterin sublayer 302 is identical with the number of plies of green particles layer 304, and Blue backlight is converted into phase
With the red light and green light of intensity, the blue back of the body of quantum dot functional layer 30 is directed through in combination with not being converted
Light, forms colored light output and enters display module.
Specifically, the number of plies of erythropterin sublayer 302 and green particles layer 304 is blue according to the brightness settings of Blue backlight
The brightness of backlight is bigger, and in order to reach, red, green, blue colour brightness is uniform, needs the Blue backlight of conversion more, erythropterin sublayer
302 is more with the number of plies of green particles layer 304.
In the present embodiment, after coating diallyl dimethyl ammoniumchloride, red quantum point particle, green quantum dot particles
Adopt air knife drying.
In the present embodiment, the concentration of diallyl dimethyl ammoniumchloride is 2mg/mL.
In the present embodiment, erythropterin sublayer 302 includes multiple red quantum point particles, and red quantum point particle includes inorganic
Containment vessel and the emitting red light core being wrapped among inorganic containment vessel；Green particles layer 304 includes multiple green quantum dot particles,
Green quantum dot particles include inorganic containment vessel and the green emitting core being wrapped among inorganic containment vessel, and inorganic containment vessel is used for
Protect emitting red light core and green emitting core to keep the physical stability of emitting red light core and green emitting core.
Further, inorganic containment vessel is CdS, ZnSe, ZnCdS2, ZnS, one or more in ZnO material of combination,
Red light material includes CdSe, Cd2SeTe, InAs, ZnCuInSxSey and CuInSx, green light material includes ZnCdSe2、InP、
Cd2Sse, ZnCuInSxSey and CuInSx.
S104, the side surface coating Triafol T for deviating from polarizing layer 10 in quantum dot functional layer 30 form first and protect
Sheath 22.
First protective layer 22 and the second protective layer 24 are protected in quantum dot functional layer 30 and polarizing layer 10 wherein, keep it
Physical characteristic.
The monochromatic light that backlight module sends excites the quantum dot functional layer 30 being arranged in polaroid to send colored light,
The spectrum of the colored light sent with display image, quantum dot functional layer 30 through display module as backlight using colored light
Width, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, quantum dot functional layer 30 is prepared in into display
In the polaroid that equipment itself has, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost
It is relatively low.
Fig. 5 is the structural representation of the polaroid that the embodiment of the present invention two is provided, as illustrated, the present embodiment and embodiment
One difference is that quantum dot functional layer 30 is located at the first protective layer 22 away from the side of the polarizing layer 10.Backlight module is sent out
The monochromatic light for going out excites the quantum dot functional layer 30 being arranged in polaroid to send colored light, using colored light as backlight
The spectral width of the colored light that source is sent through display module with display image, quantum dot functional layer 30, shows LCD display
The colour gamut of image is high, and color rendition effect is good, meanwhile, by quantum dot functional layer 30 be prepared in that display device itself has it is inclined
In mating plate, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost are relatively low.
Fig. 6 is the flow chart of the preparation method of the polaroid that the embodiment of the present invention two is provided, as illustrated, the system of polaroid
Standby step is as follows：
S201, the surface of base material 40 coating Triafol T formed the second protective layer 24.
The characteristics of there is Triafol T high light transmission rate, water-tolerant to have certain mechanical strength again, is adapted to protect
The material of facile hydrolysis is protected to prevent it from hydrolyzing.
S202, the side surface coating polyethylene alcohol for deviating from base material 40 in the second protective layer 24 form polarizing layer 10.
Before coating through dyeing, with polarization function, but polyvinyl alcohol is easily hydrolyzed polyvinyl alcohol, is needed poly-
There is high light transmission rate, water-tolerant to have the Triafol T of certain mechanical strength thin again for each compound one layer of the both sides of vinyl alcohol
Film is protected.
S203, the side surface coating Triafol T for deviating from the second protective layer 24 in polarizing layer 10 form first and protect
Layer 22.
First protective layer 22 and the second protective layer 24 are protected in quantum dot functional layer 30 wherein, keep its physical characteristic.
The side surface preparation amount point functional layer 30 of S204, the first protective layer 22 away from the polarizing layer 10.
Specifically, S204 includes following sub-step：
Deviate from the diallyl dimethyl chlorine of a side surface coating zone positive charge of polarizing layer 10 in the first protective layer 22
Change ammonium and form polyelectrolyte layer 300；
Negatively charged red quantum point particle is coated with the surface of polyelectrolyte layer 300 form erythropterin sublayer 302；
The positively charged diallyl dimethyl ammoniumchloride is coated with the surface of erythropterin sublayer 302 form poly- again
Dielectric substrate 300；
Negatively charged green quantum dot particles are coated with the surface of polyelectrolyte layer 300 and form green particles layer 304, lay equal stress on
Multiple above procedure.
Further, erythropterin sublayer 302 is identical with the number of plies of green particles layer 304, and Blue backlight is converted into phase
With the red light and green light of intensity, the blue back of the body of quantum dot functional layer 30 is directed through in combination with not being converted
Light, forms colored light output and enters display module.
Specifically, the number of plies of erythropterin sublayer 302 and green particles layer 304 is blue according to the brightness settings of Blue backlight
The brightness of backlight is bigger, and in order to reach, red, green, blue colour brightness is uniform, needs the Blue backlight of conversion more, erythropterin sublayer
302 is more with the number of plies of green particles layer 304.
In the present embodiment, after coating diallyl dimethyl ammoniumchloride, red quantum point particle, green quantum dot particles
Adopt air knife drying.
In the present embodiment, the concentration of diallyl dimethyl ammoniumchloride is 2mg/mL.
In the present embodiment, erythropterin sublayer 302 includes multiple red quantum point particles, and red quantum point particle includes inorganic
Containment vessel and the emitting red light core being wrapped among inorganic containment vessel；Green particles layer 304 includes multiple green quantum dot particles,
Green quantum dot particles include inorganic containment vessel and the green emitting core being wrapped among inorganic containment vessel, and inorganic containment vessel is used for
Protect emitting red light core and green emitting core to keep the physical stability of emitting red light core and green emitting core.
Further, inorganic containment vessel is CdS, ZnSe, ZnCdS2, ZnS, one or more in ZnO material of combination,
Red light material includes CdSe, Cd2SeTe, InAs, ZnCuInSxSey and CuInSx, green light material includes ZnCdSe2、InP、
Cd2Sse, ZnCuInSxSey and CuInSx.
The monochromatic light that backlight module sends excites the quantum dot functional layer 30 being arranged in polaroid to send colored light,
The spectrum of the colored light sent with display image, quantum dot functional layer 30 through display module as backlight using colored light
Width, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, quantum dot functional layer 30 is prepared in into display
In the polaroid that equipment itself has, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost
It is relatively low.
The present invention also provides a kind of liquid crystal display, including backlight module, display module and above-described polaroid,
Display module includes array base palte 70, and in array base palte 70 in the face of the side of backlight module, backlight module sends polarizer sheet sticking
Unicolor back light is converted into colored light and through display module to show coloured image through polaroid.
The monochromatic light that backlight module sends excites the quantum dot functional layer 30 being arranged in polaroid to send colored light,
The spectrum of the colored light sent with display image, quantum dot functional layer 30 through display module as backlight using colored light
Width, makes the colour gamut height of LCD display display image, and color rendition effect is good, meanwhile, quantum dot functional layer 30 is prepared in into display
In the polaroid that equipment itself has, without the need for increasing additional devices, and processing procedure is simply easily realized, material cost and production cost
It is relatively low.
Above disclosed is only several preferred embodiments of the invention, can not limit the power of the present invention with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that all or part of flow process of above-described embodiment is realized, and according to present invention power
Profit requires made equivalent variations, still falls within the covered scope of invention.
Claims (10)
1. a kind of polaroid, is attached at array base palte in the face of the surface of backlight module, it is characterised in that the polaroid include according to
Secondary the first protective layer being stacked, polarizing layer and the second protective layer, first protective layer it is protective layer used with described second in
The polarizing layer is prevented to be hydrolyzed, first protective layer is located at the polarizing layer away from the side of the array base palte, described
Polaroid also include quantum dot functional layer, the quantum dot functional layer be located between first protective layer and the polarizing layer or
Away from the side of the polarizing layer, the quantum dot functional layer is used for the list for sending the backlight module to first protective layer
Color backlight is converted into colored light.
2. polaroid according to claim 1, it is characterised in that the quantum dot functional layer includes multiple polyelectrolyte layers
With multiple quantum dot layers, the polyelectrolyte layer is with the quantum dot layer with different electrical electric charge, the polyelectrolyte layer
It is stacked in first protective layer in the face of the polarizing layer side or away from the polarizing layer side with the quantum dot layer,
The polyelectrolyte layer is alternately arranged with the quantum dot layer, and the relative both sides of each polyelectrolyte layer are respectively inhaled
Respectively adsorb a polyelectrolyte layer in an attached quantum dot layer, the relative both sides of each quantum dot layer.
3. polaroid according to claim 2, it is characterised in that the backlight module is the backlight for sending Blue backlight
Source, the quantum dot layer includes at least one erythropterin sublayer and at least one green particles layer, and the erythropterin sublayer is used for
The Blue backlight is partially converted into red light, the green particles layer is green for the Blue backlight to be partially converted into
Coloured light line, an erythropterin sublayer mutually adsorbs to form first particle layer with a polyelectrolyte layer, one
The green particles layer and a polyelectrolyte layer mutually adsorb to form second particle layer, first particle layer with
Second particle layer is alternately arranged, and second particle layer is included between adjacent first particle layer of each two,
Include first particle layer between adjacent second particle layer of each two.
4. polaroid according to claim 3, it is characterised in that the erythropterin sublayer includes multiple red quantum point grains
Son, the red quantum point particle includes inorganic containment vessel and the emitting red light core being wrapped among the inorganic containment vessel；Institute
Green particles layer is stated including multiple green quantum dot particles, the green quantum dot particles include the inorganic containment vessel with parcel
Green emitting core among the inorganic containment vessel, the inorganic containment vessel is used to protect the emitting red light core green with described
Color luminous nucleon.
5. polaroid according to claim 4, it is characterised in that the inorganic containment vessel is CdS, ZnSe, ZnCdS2、
The combination of one or more in ZnS, ZnO material.
6. a kind of liquid crystal display, it is characterised in that the liquid crystal display includes backlight module, display module and right
The polaroid described in 1 to 5 any one is required, the display module includes array base palte, and the polarizer sheet sticking is in the array
Side of the real estate to the backlight module, the backlight module sends Unicolor back light and is converted into colourama through the polaroid
Line simultaneously passes through the display module to show coloured image.
7. a kind of preparation method of polaroid, it is characterised in that include：
The second protective layer is formed in substrate surface coating Triafol T；
Polarizing layer is formed in second protective layer away from a side surface coating polyethylene alcohol of the base material；
Functional layer is put away from the side surface preparation amount of second protective layer in the polarizing layer, and in the quantum dot work(
Ergosphere forms the first protective layer away from the side surface coating Triafol T of the polarizing layer,
Or, form first away from the side surface coating Triafol T of second protective layer in the polarizing layer and protect
Layer, and put functional layer away from the side surface preparation amount of the polarizing layer in first protective layer.
8. the preparation method of polaroid according to claim 7, it is characterised in that described " preparing quantum dot functional layer "
Method includes：
Deviate from the polarizing layer away from a side surface or first protective layer of second protective layer in the polarizing layer
The diallyl dimethyl ammoniumchloride of one side surface coating zone positive charge forms polyelectrolyte layer；
Erythropterin sublayer is formed in the red quantum point particle of the polyelectrolyte layer surface coating zone negative electrical charge；
The positively charged diallyl dimethyl ammoniumchloride is coated with the red particles layer surface form described again
Polyelectrolyte layer；
Green particles layer is formed in the green quantum dot particles of the polyelectrolyte layer surface coating zone negative electrical charge, and more than repeating
Process.
9. the preparation method of polaroid according to claim 8, it is characterised in that the coating diallyl dimethyl
Air knife drying is adopted after ammonium chloride, red quantum point particle, the green quantum dot particles.
10. the preparation method of polaroid according to claim 8, it is characterised in that the diallyl dimethyl chlorine
The concentration for changing ammonium is 2mg/mL.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422411A (en) * | 2017-09-26 | 2017-12-01 | 深圳市华星光电技术有限公司 | Compound polaroid and preparation method thereof, display module |
| CN107741613A (en) * | 2017-11-01 | 2018-02-27 | 惠州市华星光电技术有限公司 | Polaroid and liquid crystal display panel |
| CN107807471A (en) * | 2017-11-13 | 2018-03-16 | 深圳市华星光电技术有限公司 | Quantum dot polaroid and liquid crystal display |
| CN110119056A (en) * | 2019-05-27 | 2019-08-13 | 南京中电熊猫平板显示科技有限公司 | A kind of array substrate |
| CN110703491A (en) * | 2019-10-23 | 2020-01-17 | 深圳市华星光电技术有限公司 | Polaroid and display device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221215A (en) * | 1998-11-06 | 1999-06-30 | 吉林大学 | White-light electroluminescence device with organic multi-quantum pit structure |
| CN101222023A (en) * | 2007-01-12 | 2008-07-16 | 三星电子株式会社 | White organic light emitting device |
| CN102391875A (en) * | 2011-08-30 | 2012-03-28 | 苏州大学 | Quantum dot-polyelectrolyte fluorescent nano complex and application thereof |
| CN102683597A (en) * | 2011-03-09 | 2012-09-19 | 海洋王照明科技股份有限公司 | White light electroluminescent device and preparation method thereof |
| CN102854558A (en) * | 2012-09-27 | 2013-01-02 | 京东方科技集团股份有限公司 | Polaroid and display device |
| CN104576961A (en) * | 2014-12-03 | 2015-04-29 | 深圳丹邦投资集团有限公司 | Quantum-dot-based white OLEG device and manufacturing method thereof |
| CN105093381A (en) * | 2015-09-24 | 2015-11-25 | 深圳市华星光电技术有限公司 | Quantum dot polarizer and manufacturing method thereof |
| US20160258583A1 (en) * | 2015-03-06 | 2016-09-08 | Pixtronix, Inc. | Quantum dots based optical filter |
-
2016
- 2016-12-13 CN CN201611147360.XA patent/CN106646994B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221215A (en) * | 1998-11-06 | 1999-06-30 | 吉林大学 | White-light electroluminescence device with organic multi-quantum pit structure |
| CN101222023A (en) * | 2007-01-12 | 2008-07-16 | 三星电子株式会社 | White organic light emitting device |
| CN102683597A (en) * | 2011-03-09 | 2012-09-19 | 海洋王照明科技股份有限公司 | White light electroluminescent device and preparation method thereof |
| CN102391875A (en) * | 2011-08-30 | 2012-03-28 | 苏州大学 | Quantum dot-polyelectrolyte fluorescent nano complex and application thereof |
| CN102854558A (en) * | 2012-09-27 | 2013-01-02 | 京东方科技集团股份有限公司 | Polaroid and display device |
| CN104576961A (en) * | 2014-12-03 | 2015-04-29 | 深圳丹邦投资集团有限公司 | Quantum-dot-based white OLEG device and manufacturing method thereof |
| US20160258583A1 (en) * | 2015-03-06 | 2016-09-08 | Pixtronix, Inc. | Quantum dots based optical filter |
| CN105093381A (en) * | 2015-09-24 | 2015-11-25 | 深圳市华星光电技术有限公司 | Quantum dot polarizer and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422411A (en) * | 2017-09-26 | 2017-12-01 | 深圳市华星光电技术有限公司 | Compound polaroid and preparation method thereof, display module |
| CN107741613A (en) * | 2017-11-01 | 2018-02-27 | 惠州市华星光电技术有限公司 | Polaroid and liquid crystal display panel |
| CN107807471A (en) * | 2017-11-13 | 2018-03-16 | 深圳市华星光电技术有限公司 | Quantum dot polaroid and liquid crystal display |
| CN110119056A (en) * | 2019-05-27 | 2019-08-13 | 南京中电熊猫平板显示科技有限公司 | A kind of array substrate |
| CN110703491A (en) * | 2019-10-23 | 2020-01-17 | 深圳市华星光电技术有限公司 | Polaroid and display device |
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|---|---|
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