CN107797331A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- CN107797331A CN107797331A CN201711157523.7A CN201711157523A CN107797331A CN 107797331 A CN107797331 A CN 107797331A CN 201711157523 A CN201711157523 A CN 201711157523A CN 107797331 A CN107797331 A CN 107797331A
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- Prior art keywords
- metal nanoparticle
- film
- polaroid
- nanoparticle film
- liquid crystal
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Classifications
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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
Abstract
The present invention provides a kind of liquid crystal display, including：Backlight module and the liquid crystal display panel above backlight module；The liquid crystal display panel includes the upper substrate that is oppositely arranged and infrabasal plate, the liquid crystal layer between the upper substrate and infrabasal plate, is attached at upper polaroid of the upper substrate away from liquid crystal layer side and is attached at down polaroid of the infrabasal plate away from liquid crystal layer side；At least one in the upper polaroid and down polaroid includes metal nanoparticle film, the metal nanoparticle film can absorb the veiling glare of feux rouges overlapping with green glow wave band or blue light wave band overlapping with green glow, so as to realize the effect of purifying red, green, blue, the wide colour gamut of liquid crystal display is realized.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of liquid crystal display.
Background technology
With the development of Display Technique, the plane such as liquid crystal display (Liquid Crystal Display, LCD) display dress
Put because having the advantages that high image quality, power saving, fuselage are thin, radiationless, and be widely used in mobile phone, TV, individual digital and help
The various consumption electronic products such as reason, digital camera, notebook computer, desktop computer, turn into the main flow in display device.
Liquid crystal display major part on existing market is backlight liquid crystal display, and it includes housing, in housing
Liquid crystal display panel and the backlight module (Backlight module) in housing.
Traditional liquid crystal display panel is by one sheet of film transistor (TFT) array substrate (Thin Film Transistor
Array Substrate, TFT Array Substrate) it is bonded with a piece of colored filter substrate (Color Filter, CF)
Form, form pixel electrode and public electrode in TFT substrate and CF substrates respectively, and filled between TFT substrate and CF substrates
Enter liquid crystal, its operation principle is by applying driving voltage between pixel electrode and public electrode, utilizes pixel electrode and public affairs
The electric field formed between common electrode controls the rotation of the liquid crystal molecule in liquid crystal layer, and the light of backlight module is reflected into production
Raw picture.
In order that liquid crystal display panel has stronger color weight presentation capability, a variety of high colour gamut technologies are applied to liquid crystal
Display field, including quantum dot film, RG fluorescent material backlight, high colour gamut colored filter (Color Filter, CF), feature are inclined
Mating plate etc..Quantum dot film and RG fluorescent material backlights belong to high colour gamut backlight technology, by provide frequency spectrum is narrower, frequency spectrum wave crest with
Light source that colored filter more matches realizes high color saturation；High colour gamut colored filter is mainly by using higher amount
The color blocking of pigment (pigment) realizes high colour gamut by thickening the thickness of colored filter, and the lifting of its color domain is past
Past is not very notable；Feature polaroid is to add a kind of dyestuff in polaroid kind, and the dyestuff can absorb impure in backlight
Crest, belong to backlight purification technique.
The dye molecule added in existing feature polaroid is the dye molecule for absorbing gold-tinted.Due to existing frequently-used
Red color resistance unit and green color blocking unit in colored filter penetrate frequency spectrum have in 570nm~620nm wave band it is overlapping,
Namely gold-tinted of the wavelength in 570nm~620nm can both pass through red color resistance unit, can also pass through green color blocking unit, make
Obtaining the purity of feux rouges and green glow reduces.Therefore yellow of the backlight after polaroid can be made using this feature polaroid
Veiling glare is predominantly absorbed, and purer feux rouges and green glow can be so obtained after red color resistance unit and green color blocking unit.So
And the drawbacks of this technology, is：The dye molecule added in this feature polaroid is except absorbing 570nm~620nm ripples
Beyond the light of section, the light of below 570nm and more than 620nm other wave bands can be also absorbed, therefore use this feature polarisation
Piece often leads to penetrance and greater loss occurs.In addition, except red color resistance unit and green color blocking unit 570nm~
There is overlapping wave band at 620nm, blue color blocking unit and green color blocking unit also have overlapping wave band at 480nm~520nm wave bands,
So as to cause the impure of blue light and green glow, and there is presently no suitable dye molecule that it can be entered for this wave band that partly overlaps
Row absorbs.
The content of the invention
It is an object of the invention to provide a kind of liquid crystal display, can absorb feux rouges wave band overlapping with green glow or indigo plant
The veiling glare of light wave band overlapping with green glow, so as to realize the effect of purifying red, green, blue, realize the wide colour gamut of liquid crystal display.
To achieve the above object, the present invention provides a kind of liquid crystal display, including：Backlight module is with being located on backlight module
The liquid crystal display panel of side；
The liquid crystal display panel include the upper substrate that is oppositely arranged with infrabasal plate, located at the upper substrate and infrabasal plate it
Between liquid crystal layer, be attached at upper polaroid of the upper substrate away from liquid crystal layer side and to be attached at the infrabasal plate remote
The down polaroid of liquid crystal layer side；
At least one in the upper polaroid and down polaroid includes metal nanoparticle film, the metal nanoparticle
Film can absorb the veiling glare of feux rouges overlapping with green glow wave band or blue light wave band overlapping with green glow.
In the first embodiment of the liquid crystal display of the present invention, one in the upper polaroid and down polaroid be comprising
First polaroid of layer of metal film of nanoparticles, the upper polaroid and another in down polaroid are to receive not comprising metal
Second polaroid of rice corpuscles film, the metal nanoparticle film can absorb feux rouges wave band overlapping with green glow or blue light with
The veiling glare of the overlapping wave band of green glow.
First polaroid comprising layer of metal film of nanoparticles includes：The stripping being cascading from bottom to up
Diaphragm, adhesion coating, metal nanoparticle film, the first protective layer, polarizing layer, the second protective layer, surface protection film；
Or first polaroid comprising layer of metal film of nanoparticles includes：It is cascading from bottom to up
Stripping diaphragm, adhesion coating, the first protective layer, polarizing layer, the second protective layer, metal nanoparticle film, surface protection film；
Second polaroid not comprising metal nanoparticle film includes：The stripping being cascading from bottom to up is protected
Cuticula, adhesion coating, the first protective layer, polarizing layer, the second protective layer, surface protection film.
The material of the metal nanoparticle film includes polymer and the metal nanoparticle being scattered in polymer；
Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow is
480nm~520nm；
When the metal nanoparticle film can absorb the veiling glare of feux rouges wave band overlapping with green glow, the metallic nanoparticle
The extinction characteristic of sub- film is：90% is more than to the absorptivities of 570nm~620nm wave bands, to 570nm~620nm wave bands outside
Absorptivity is less than 1%, a length of 590nm ± 5nm of maximum absorption wave of the metal nanoparticle film；
When the metal nanoparticle film can absorb the veiling glare of blue light wave band overlapping with green glow, the metallic nanoparticle
The extinction characteristic of sub- film is：90% is more than to the absorptivities of 480nm~520nm wave bands, to 480nm~520nm wave bands outside
Absorptivity is less than 1%, a length of 500nm ± 5nm of maximum absorption wave of the metal nanoparticle film.
In the second embodiment of the liquid crystal display of the present invention, one in the upper polaroid and down polaroid be comprising
In 3rd polaroid of the first metal nanoparticle film and the second metal nanoparticle film, the upper polaroid and down polaroid
Another is the second polaroid not comprising metal nanoparticle film, the first metal nanoparticle film can absorb feux rouges with
The veiling glare of the overlapping wave band of green glow, the second metal nanoparticle film can absorb the miscellaneous of blue light overlapping wave band with green glow
Light.
The 3rd polaroid for including the first metal nanoparticle film and the second metal nanoparticle film includes：From it is lower to
On be cascading stripping diaphragm, adhesion coating, the first metal nanoparticle film, the first protective layer, polarizing layer, second protect
Sheath, the second metal nanoparticle film, surface protection film；
Or the 3rd polaroid for including the first metal nanoparticle film and the second metal nanoparticle film includes：
The stripping diaphragm that is cascading from bottom to up, adhesion coating, the second metal nanoparticle film, the first protective layer, polarizing layer,
Second protective layer, the first metal nanoparticle film, surface protection film；
Second polaroid not comprising metal nanoparticle film includes：The stripping being cascading from bottom to up is protected
Cuticula, adhesion coating, the first protective layer, polarizing layer, the second protective layer, surface protection film.
The material of the first metal nanoparticle film and the second metal nanoparticle film includes polymer and is scattered in
Metal nanoparticle in polymer；
Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow is
480nm~520nm；
The extinction characteristic of the first metal nanoparticle film is：The absorptivity of 570nm~620nm wave bands is more than
90%, 1% is less than to the absorptivity outside 570nm~620nm wave bands, the maximum absorption wave of the first metal nanoparticle film
A length of 590nm ± 5nm；
The extinction characteristic of the second metal nanoparticle film is：The absorptivity of 480nm~520nm wave bands is more than
90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the maximum absorption wave of the second metal nanoparticle film
A length of 500nm ± 5nm.
In the 3rd embodiment of the liquid crystal display of the present invention, one in the upper polaroid and down polaroid be comprising
Another in 4th polaroid of the first metal nanoparticle film, the upper polaroid and down polaroid is to include the second metal
5th polaroid of film of nanoparticles, the first metal nanoparticle film can absorb the miscellaneous of feux rouges overlapping wave band with green glow
Light, the second metal nanoparticle film can absorb the veiling glare of blue light wave band overlapping with green glow.
The 4th polaroid for including the first metal nanoparticle film includes：The stripping being cascading from bottom to up
Diaphragm, adhesion coating, the first metal nanoparticle film, the first protective layer, polarizing layer, the second protective layer, surface protection film；
Or the 4th polaroid for including the first metal nanoparticle film includes：It is cascading from bottom to up
Stripping diaphragm, adhesion coating, the first protective layer, polarizing layer, the second protective layer, the first metal nanoparticle film, surface protection
Film；
The 5th polaroid for including the second metal nanoparticle film includes：The stripping being cascading from bottom to up
Diaphragm, adhesion coating, the second metal nanoparticle film, the first protective layer, polarizing layer, the second protective layer, surface protection film；
Or the 5th polaroid for including the second metal nanoparticle film includes：It is cascading from bottom to up
Stripping diaphragm, adhesion coating, the first protective layer, polarizing layer, the second protective layer, the second metal nanoparticle film, surface protection
Film.
The material of the first metal nanoparticle film and the second metal nanoparticle film includes polymer and is scattered in
Metal nanoparticle in polymer；
The material of the first metal nanoparticle film and the second metal nanoparticle film includes polymer and is scattered in
Metal nanoparticle in polymer；
Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow is
480nm~520nm；
The extinction characteristic of the first metal nanoparticle film is：The absorptivity of 570nm~620nm wave bands is more than
90%, 1% is less than to the absorptivity outside 570nm~620nm wave bands, the maximum absorption wave of the first metal nanoparticle film
A length of 590nm ± 5nm；
The extinction characteristic of the second metal nanoparticle film is：The absorptivity of 480nm~520nm wave bands is more than
90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the maximum absorption wave of the second metal nanoparticle film
A length of 500nm ± 5nm.
Beneficial effects of the present invention：The liquid crystal display of the present invention includes upper polaroid and down polaroid, the upper polarisation
At least one in piece and down polaroid includes metal nanoparticle film, the metal nanoparticle film can absorb feux rouges with it is green
The veiling glare of overlapping wave band or the blue light wave band overlapping with green glow of light, so as to realize the effect of purifying red, green, blue, realize
The wide colour gamut of liquid crystal display.
In order to be further understood that the feature of the present invention and technology contents, refer to below in connection with the detailed of the present invention
Illustrate and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, be not used for being any limitation as the present invention.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
In accompanying drawing,
Fig. 1 is the structural representation of the liquid crystal display of the present invention；
Fig. 2A is first of the first polaroid comprising layer of metal film of nanoparticles in the liquid crystal display of the present invention
The structural representation of embodiment；
Fig. 2 B are second of the first polaroid comprising layer of metal film of nanoparticles in the liquid crystal display of the present invention
The structural representation of embodiment；
Fig. 3 is the structural representation of the second polaroid not comprising metal nanoparticle film in the liquid crystal display of the present invention
Figure；
Fig. 4 A are to include the first metal nanoparticle film and the second metal nanoparticle in the liquid crystal display of the present invention
The structural representation of the first embodiment of 3rd polaroid of film；
Fig. 4 B are to include the first metal nanoparticle film and the second metal nanoparticle in the liquid crystal display of the present invention
The structural representation of the second embodiment of 3rd polaroid of film；
Fig. 5 A are first of the 4th polaroid comprising the first metal nanoparticle film in the liquid crystal display of the present invention
The structural representation of embodiment；
Fig. 5 B are second of the 4th polaroid comprising the first metal nanoparticle film in the liquid crystal display of the present invention
The structural representation of embodiment；
Fig. 5 C are first of the 5th polaroid comprising the second metal nanoparticle film in the liquid crystal display of the present invention
The structural representation of embodiment；
Fig. 5 D are second of the 5th polaroid comprising the second metal nanoparticle film in the liquid crystal display of the present invention
The structural representation of embodiment.
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
Referring to Fig. 1, referring to Fig. 2A, Fig. 2 B and Fig. 3 simultaneously, the present invention provides a kind of liquid crystal display, including：Backlight mould
Group 100 and the liquid crystal display panel 200 located at the top of backlight module 100；
The liquid crystal display panel 200 includes the upper substrate 10 being oppositely arranged and infrabasal plate 20, located at the upper substrate 10
Liquid crystal layer 30 between infrabasal plate 20, be attached at upper polaroid 40 of the upper substrate 10 away from the side of liquid crystal layer 30 and
It is attached at down polaroid 50 of the infrabasal plate 20 away from the side of liquid crystal layer 30.
The upper polaroid 40 is first comprising layer of metal film of nanoparticles 70 inclined with one in down polaroid 50
Another in mating plate 61, the upper polaroid 40 and down polaroid 50 is the second polaroid not comprising metal nanoparticle film
62, the metal nanoparticle film 70 can absorb feux rouges overlapping with green glow wave band or blue light wave band overlapping with green glow
Veiling glare, so as to realize the effect of purifying red, green, blue, realize the wide colour gamut of liquid crystal display.
Specifically, as shown in Figure 2 A, first polaroid 61 comprising layer of metal film of nanoparticles 70 includes：Under
The supreme stripping diaphragm 81 being cascading, adhesion coating 82, metal nanoparticle film 70, the first protective layer 83, polarizing layer
84th, the second protective layer 85, surface protection film 86；
Or as shown in Figure 2 B, first polaroid 61 comprising layer of metal film of nanoparticles 70 includes：From it is lower to
On the stripping diaphragm 81, adhesion coating 82, the first protective layer 83, polarizing layer 84, the second protective layer 85, the metal that are cascading
Film of nanoparticles 70, surface protection film 86.
Specifically, as shown in figure 3, second polaroid 62 not comprising metal nanoparticle film includes：From bottom to up
The stripping diaphragm 81 that is cascading, adhesion coating 82, the first protective layer 83, polarizing layer 84, the second protective layer 85, surface are protected
Cuticula 86.
Specifically, the material of the protective layer 85 of the first protective layer 83 and second includes Triafol T (Tri
Acetic acid Celluose, TAC)；The material of the polarizing layer 84 include polyvinyl alcohol (Polyvinyl Alcohol,
PVA)；The material of the adhesion coating 82 includes pressure sensitive adhesive；The material of the surface protection film 86 includes poly terephthalic acid second two
The plastic materials such as alcohol ester (Polyethylene terephthalate, PET).The protective layer 85 of first protective layer 83 and second
Effect be polarizing layer 84 is supported and protected.Diaphragm 81 is peeled off, it is necessary to tear using during polaroid, by adhesion coating
82 fit in the surface of liquid crystal display panel 200.
Specifically, the material of the metal nanoparticle film 70 includes polymer and the metal nano being scattered in polymer
Particle.
Specifically, the 70 light-absorbing principle of metal nanoparticle film is：
When light is incided on metal nanoparticle, if the body vibration of incident photon frequency and metal nanoparticle
Frequency matches, and metal nanoparticle can produce very strong absorption to photon energy, so as to which local surface plasma occur
Resonance body (Localized Surface Plasmon Resonance, LSPR) phenomenon.Therefore, by controlling metallic nanoparticle
Particle diameter, the decentralized medium (i.e. polymer) of metal nanoparticle and the material of metal nanoparticle of son, can be with flexible modulation office
Field surface plasma resonance acts on, wide so as to regulate and control the position of absworption peak and half-wave, and it is overlapping with green glow effectively to filter feux rouges
The veiling glare of wave band or blue light wave band overlapping with green glow, plays the effect of purifying red, green, blue, and ensures penetrance
Minimization of loss.
Specifically, the metal nanoparticle film 70 is prepared using solution blended process or mechanical blending method.
Specifically, the polymer includes polyvinyl alcohol (PVA), polymethyl methacrylate (PMMA), poly- terephthaldehyde
One or more in sour glycol ester (PET), Triafol T (TAC).
Preferably, the metal nanoparticle is Nano silver grain.
Specifically, a diameter of 15nm~45nm of the metal nanoparticle.
Specifically, feux rouges wave band overlapping with green glow is 570nm~620nm；The superimposed wave of the blue light and green glow
Section is 480nm~520nm.
When the metal nanoparticle film 70 can absorb the veiling glare of feux rouges wave band overlapping with green glow, the metal nano
The extinction characteristic of particle membrane 70 is：90% is more than to the absorptivity of 570nm~620nm wave bands, to 570nm~620nm wave bands
Outer absorptivity is less than 1%, a length of 590nm ± 5nm of maximum absorption wave of the metal nanoparticle film 70；
When the metal nanoparticle film 70 can absorb the veiling glare of blue light wave band overlapping with green glow, the metal nano
The extinction characteristic of particle membrane 70 is：90% is more than to the absorptivity of 480nm~520nm wave bands, to 480nm~520nm wave bands
Outer absorptivity is less than 1%, a length of 500nm ± 5nm of maximum absorption wave of the metal nanoparticle film 70.
Specifically, as shown in figure 1, the liquid crystal display panel 200 is COA (Color Filter on Array, colour
Optical filter is prepared on array base palte) type liquid crystal display panel, the upper substrate 10 includes the first underlay substrate 11, the lower base
Plate 20 includes the second underlay substrate 21, the TFT layer 22 on second underlay substrate 21, on the TFT layer 22
Colored filter 23, the flatness layer 24 on the colored filter 23.The substrate base of first underlay substrate 11 and second
Plate 21 is glass substrate.The colored filter 23 includes red color resistance unit, green color blocking unit, blue color blocking unit.
Optionally, the liquid crystal display panel 200 can also be non-COA types liquid crystal display panel.
Above-mentioned liquid crystal display is to be received comprising layer of metal by setting upper polaroid 40 and one in down polaroid 50
First polaroid 61 of rice corpuscles film 70, another is the second polaroid 62 not comprising metal nanoparticle film, due to metal
Film of nanoparticles 70 can absorb the veiling glare of feux rouges overlapping with green glow wave band or blue light wave band overlapping with green glow, so as to real
The effect of red, green, blue is now purified, realizes the wide colour gamut of liquid crystal display.
Referring to Fig. 1, referring to Fig. 3, Fig. 4 A and Fig. 4 B simultaneously, the present invention also provides another liquid crystal display, including：The back of the body
Optical mode group 100 and the liquid crystal display panel 200 located at the top of backlight module 100；
The liquid crystal display panel 200 includes the upper substrate 10 being oppositely arranged and infrabasal plate 20, located at the upper substrate 10
Liquid crystal layer 30 between infrabasal plate 20, be attached at upper polaroid 40 of the upper substrate 10 away from the side of liquid crystal layer 30 and
It is attached at down polaroid 50 of the infrabasal plate 20 away from the side of liquid crystal layer 30.
The upper polaroid 40 is to include the first metal nanoparticle film 71 and the second gold medal with one in down polaroid 50
Belong to the 3rd polaroid 63 of film of nanoparticles 72, another in the upper polaroid 40 and down polaroid 50 is not comprising metal
Second polaroid 62 of film of nanoparticles, the first metal nanoparticle film 71 can absorb feux rouges wave band overlapping with green glow
Veiling glare, the second metal nanoparticle film 72 can absorb the veiling glare of blue light wave band overlapping with green glow, pure so as to realize
Change the effect of red, green, blue, realize the wide colour gamut of liquid crystal display.
Specifically, as shown in Figure 4 A, it is described to include the first metal nanoparticle film 71 and the second metal nanoparticle film 72
The 3rd polaroid 63 include：Stripping diaphragm 81, adhesion coating 82, the first metallic nanoparticle being cascading from bottom to up
Sub- film 71, the first protective layer 83, polarizing layer 84, the second protective layer 85, the second metal nanoparticle film 72, surface protection film 86；
Or as shown in Figure 4 B, the first metal nanoparticle film 71 and the second metal nanoparticle film 72 of including
3rd polaroid 63 includes：Stripping diaphragm 81, adhesion coating 82, the second metal nanoparticle being cascading from bottom to up
Film 72, the first protective layer 83, polarizing layer 84, the second protective layer 85, the first metal nanoparticle film 71, surface protection film 86.
Specifically, as shown in figure 3, second polaroid 62 not comprising metal nanoparticle film includes：From bottom to up
The stripping diaphragm 81 that is cascading, adhesion coating 82, the first protective layer 83, polarizing layer 84, the second protective layer 85, surface are protected
Cuticula 86.
Specifically, the material of the protective layer 85 of the first protective layer 83 and second includes Triafol T (Tri
Acetic acid Celluose, TAC)；The material of the polarizing layer 84 include polyvinyl alcohol (Polyvinyl Alcohol,
PVA)；The material of the adhesion coating 82 includes pressure sensitive adhesive；The material of the surface protection film 86 includes poly terephthalic acid second two
The plastic materials such as alcohol ester (Polyethylene terephthalate, PET).The protective layer 85 of first protective layer 83 and second
Effect be polarizing layer 84 is supported and protected.Diaphragm 81 is peeled off, it is necessary to tear using during polaroid, by adhesion coating
82 fit in the surface of liquid crystal display panel 200.
Specifically, the first metal nanoparticle film 71 includes polymerizeing with the material of the second metal nanoparticle film 72
Thing and the metal nanoparticle being scattered in polymer.
Specifically, 72 light-absorbing principle of the first metal nanoparticle film 71 and the second metal nanoparticle film
For：
When light is incided on metal nanoparticle, if the body vibration of incident photon frequency and metal nanoparticle
Frequency matches, and metal nanoparticle can produce very strong absorption to photon energy, so as to which local surface plasma occur
Resonance body (Localized Surface Plasmon Resonance, LSPR) phenomenon.Therefore, by controlling metallic nanoparticle
Particle diameter, the decentralized medium (i.e. polymer) of metal nanoparticle and the material of metal nanoparticle of son, can be with flexible modulation office
Field surface plasma resonance acts on, wide so as to regulate and control the position of absworption peak and half-wave, and it is overlapping with green glow effectively to filter feux rouges
The veiling glare of wave band or blue light wave band overlapping with green glow, plays the effect of purifying red, green, blue, and ensures penetrance
Minimization of loss.
Specifically, the first metal nanoparticle film 71 and the second gold medal are prepared using solution blended process or mechanical blending method
Belong to film of nanoparticles 72.
Specifically, the polymer includes polyvinyl alcohol (PVA), polymethyl methacrylate (PMMA), poly- terephthaldehyde
One or more in sour glycol ester (PET), Triafol T (TAC).
Preferably, the metal nanoparticle is Nano silver grain.
Specifically, a diameter of 15nm~45nm of the metal nanoparticle.
Specifically, feux rouges wave band overlapping with green glow is 570nm~620nm；The superimposed wave of the blue light and green glow
Section is 480nm~520nm.
Specifically, the extinction characteristic of the first metal nanoparticle film 71 is：The light of 570nm~620nm wave bands is inhaled
Yield is more than 90%, is less than 1% to the absorptivity outside 570nm~620nm wave bands, the first metal nanoparticle film 71
A length of 590nm ± the 5nm of maximum absorption wave；
The extinction characteristic of the second metal nanoparticle film 72 is：The absorptivity of 480nm~520nm wave bands is more than
90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the absorption maximum of the second metal nanoparticle film 72
Wavelength is 500nm ± 5nm.
Specifically, as shown in figure 1, the liquid crystal display panel 200 is COA (Color Filter on Array, colour
Optical filter is prepared on array base palte) type liquid crystal display panel, the upper substrate 10 includes the first underlay substrate 11, the lower base
Plate 20 includes the second underlay substrate 21, the TFT layer 22 on second underlay substrate 21, on the TFT layer 22
Colored filter 23, the flatness layer 24 on the colored filter 23.The substrate base of first underlay substrate 11 and second
Plate 21 is glass substrate.The colored filter 23 includes red color resistance unit, green color blocking unit, blue color blocking unit.
Optionally, the liquid crystal display panel 200 can also be non-COA types liquid crystal display panel.
Above-mentioned liquid crystal display is to be received comprising the first metal by setting upper polaroid 40 and one in down polaroid 50
3rd polaroid 63 of the metal nanoparticle film 72 of rice corpuscles film 71 and second, another is not comprising metal nanoparticle film
Second polaroid 62, because the first metal nanoparticle film 71 can absorb the veiling glare of feux rouges wave band overlapping with green glow, second
Metal nanoparticle film 72 can absorb the veiling glare of blue light wave band overlapping with green glow, so as to realize the effect of purifying red, green, blue
Fruit, realize the wide colour gamut of liquid crystal display.
Referring to Fig. 1, simultaneously refering to Fig. 5 A, Fig. 5 B, Fig. 5 C and Fig. 5 D, the present invention provides another liquid crystal display, bag
Include：Backlight module 100 and the liquid crystal display panel 200 located at the top of backlight module 100；
The liquid crystal display panel 200 includes the upper substrate 10 being oppositely arranged and infrabasal plate 20, located at the upper substrate 10
Liquid crystal layer 30 between infrabasal plate 20, be attached at upper polaroid 40 of the upper substrate 10 away from the side of liquid crystal layer 30 and
It is attached at down polaroid 50 of the infrabasal plate 20 away from the side of liquid crystal layer 30.
The upper polaroid 40 is the comprising the first metal nanoparticle film 71 the 4th inclined with one in down polaroid 50
Mating plate 64, the upper polaroid 40 is with another in down polaroid 50 to be the comprising the second metal nanoparticle film 72 the 5th inclined
Mating plate 65, the first metal nanoparticle film 71 can absorb the veiling glare of feux rouges wave band overlapping with green glow, second gold medal
Category film of nanoparticles 72 can absorb the veiling glare of blue light wave band overlapping with green glow, so as to realize the effect of purifying red, green, blue
Fruit, realize the wide colour gamut of liquid crystal display.
Specifically, as shown in Figure 5A, the 4th polaroid 64 for including the first metal nanoparticle film 71 includes：Under
The supreme stripping diaphragm 81 being cascading, adhesion coating 82, the first metal nanoparticle film 71, the first protective layer 83, partially
Photosphere 84, the second protective layer 85, surface protection film 86；
Or as shown in Figure 5 B, the 4th polaroid 64 for including the first metal nanoparticle film 71 includes：From it is lower to
On the stripping diaphragm 81, adhesion coating 82, the first protective layer 83, polarizing layer 84, the second protective layer 85, first that are cascading
Metal nanoparticle film 71, surface protection film 86.
As shown in Figure 5 C, the 5th polaroid 65 for including the second metal nanoparticle film 72 includes：From bottom to up according to
The secondary stripping diaphragm 81 being stacked, adhesion coating 82, the second metal nanoparticle film 72, the first protective layer 83, polarizing layer 84,
Second protective layer 85, surface protection film 86；
Or as shown in Figure 5 D, the 5th polaroid 65 for including the second metal nanoparticle film 72 includes：From it is lower to
On the stripping diaphragm 81, adhesion coating 82, the first protective layer 83, polarizing layer 84, the second protective layer 85, second that are cascading
Metal nanoparticle film 72, surface protection film 86.
Specifically, the material of the protective layer 85 of the first protective layer 83 and second includes Triafol T (TAC)；Institute
Stating the material of polarizing layer 84 includes polyvinyl alcohol (Polyvinyl Alcohol, PVA)；The material of the adhesion coating 82 includes pressure
Quick glue；The material of the surface protection film 86 includes polyethylene terephthalate (Polyethylene
Terephthalate, PET) etc. plastic material.The effect of the protective layer 85 of first protective layer 83 and second is to polarizing layer
84 are supported and protect.Diaphragm 81 is peeled off, it is necessary to tear using during polaroid, adhesion coating 82 is fitted in into LCD
The surface of plate 200.
Specifically, the first metal nanoparticle film 71 includes polymerizeing with the material of the second metal nanoparticle film 72
Thing and the metal nanoparticle being scattered in polymer.
Specifically, 72 light-absorbing principle of the first metal nanoparticle film 71 and the second metal nanoparticle film
For：
When light is incided on metal nanoparticle, if the body vibration of incident photon frequency and metal nanoparticle
Frequency matches, and metal nanoparticle can produce very strong absorption to photon energy, so as to which local surface plasma occur
Resonance body (Localized Surface Plasmon Resonance, LSPR) phenomenon.Therefore, by controlling metallic nanoparticle
Particle diameter, the decentralized medium (i.e. polymer) of metal nanoparticle and the material of metal nanoparticle of son, can be with flexible modulation office
Field surface plasma resonance acts on, wide so as to regulate and control the position of absworption peak and half-wave, and it is overlapping with green glow effectively to filter feux rouges
The veiling glare of wave band or blue light wave band overlapping with green glow, plays the effect of purifying red, green, blue, and ensures penetrance
Minimization of loss.
Specifically, the first metal nanoparticle film 71 and the second gold medal are prepared using solution blended process or mechanical blending method
Belong to film of nanoparticles 72.
Specifically, the polymer includes polyvinyl alcohol (PVA), polymethyl methacrylate (PMMA), poly- terephthaldehyde
One or more in sour glycol ester (PET), Triafol T (TAC).
Preferably, the metal nanoparticle is Nano silver grain.
Specifically, a diameter of 15nm~45nm of the metal nanoparticle.
Specifically, feux rouges wave band overlapping with green glow is 570nm~620nm；The superimposed wave of the blue light and green glow
Section is 480nm~520nm.
Specifically, the extinction characteristic of the first metal nanoparticle film 71 is：The light of 570nm~620nm wave bands is inhaled
Yield is more than 90%, is less than 1% to the absorptivity outside 570nm~620nm wave bands, the first metal nanoparticle film 71
A length of 590nm ± the 5nm of maximum absorption wave；
The extinction characteristic of the second metal nanoparticle film 72 is：The absorptivity of 480nm~520nm wave bands is more than
90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the absorption maximum of the second metal nanoparticle film 72
Wavelength is 500nm ± 5nm.
Specifically, as shown in figure 1, the liquid crystal display panel 200 is COA (Color Filter on Array, colour
Optical filter is prepared on array base palte) type liquid crystal display panel, the upper substrate 10 includes the first underlay substrate 11, the lower base
Plate 20 includes the second underlay substrate 21, the TFT layer 22 on second underlay substrate 21, on the TFT layer 22
Colored filter 23, the flatness layer 24 on the colored filter 23.The substrate base of first underlay substrate 11 and second
Plate 21 is glass substrate.The colored filter 23 includes red color resistance unit, green color blocking unit, blue color blocking unit.
Optionally, the liquid crystal display panel 200 can also be non-COA types liquid crystal display panel.
Above-mentioned liquid crystal display is to be received comprising the first metal by setting upper polaroid 40 and one in down polaroid 50
4th polaroid 64 of rice corpuscles film 71, another is the 5th polaroid 65 for including the second metal nanoparticle film 72, due to
First metal nanoparticle film 71 can absorb the veiling glare of feux rouges wave band overlapping with green glow, the energy of the second metal nanoparticle film 72
The veiling glare of blue light wave band overlapping with green glow is enough absorbed, so as to realize the effect of purifying red, green, blue, realizes liquid crystal display
Wide colour gamut.
In summary, the present invention provides a kind of liquid crystal display, including upper polaroid and down polaroid, the upper polaroid
Metal nanoparticle film is included with least one in down polaroid, the metal nanoparticle film can absorb feux rouges and green glow
Overlapping wave band or blue light wave band overlapping with green glow veiling glare, so as to realize purifying red, green, blue effect, realize liquid
The wide colour gamut of crystal display.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
- A kind of 1. liquid crystal display, it is characterised in that including：Backlight module (100) and the liquid above backlight module (100) LCD panel (200)；The liquid crystal display panel (200) includes the upper substrate (10) being oppositely arranged and infrabasal plate (20), located at the upper substrate (10) liquid crystal layer (30) between infrabasal plate (20), be attached at the upper substrate (10) away from liquid crystal layer (30) side it is upper partially Mating plate (40) and the down polaroid (50) for being attached at remote liquid crystal layer (30) side of the infrabasal plate (20)；At least one in the upper polaroid (40) and down polaroid (50) includes metal nanoparticle film (70/71/72), institute Feux rouges wave band overlapping with green glow or the superimposed wave of blue light and green glow can be absorbed by stating metal nanoparticle film (70/71/72) The veiling glare of section.
- 2. liquid crystal display as claimed in claim 1, it is characterised in that in the upper polaroid (40) and down polaroid (50) One be the first polaroid (61) comprising layer of metal film of nanoparticles (70), the upper polaroid (40) and down polaroid (50) another in is the second polaroid (62) not comprising metal nanoparticle film, metal nanoparticle film (70) energy Enough absorb the veiling glare of feux rouges overlapping with green glow wave band or blue light wave band overlapping with green glow.
- 3. liquid crystal display as claimed in claim 2, it is characterised in that described comprising layer of metal film of nanoparticles (70) First polaroid (61) includes：Stripping diaphragm (81), adhesion coating (82), the metallic nanoparticle being cascading from bottom to up Sub- film (70), the first protective layer (83), polarizing layer (84), the second protective layer (85), surface protection film (86)；Or first polaroid (61) comprising layer of metal film of nanoparticles (70) includes：Stack gradually from bottom to up Stripping diaphragm (81), adhesion coating (82), the first protective layer (83), polarizing layer (84), the second protective layer (85), the metal of setting Film of nanoparticles (70), surface protection film (86)；Second polaroid (62) not comprising metal nanoparticle film includes：The stripping being cascading from bottom to up is protected Cuticula (81), adhesion coating (82), the first protective layer (83), polarizing layer (84), the second protective layer (85), surface protection film (86).
- 4. liquid crystal display as claimed in claim 2, it is characterised in that the material of the metal nanoparticle film (70) includes Polymer and the metal nanoparticle being scattered in polymer；Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow be 480nm~ 520nm；When the metal nanoparticle film (70) can absorb the veiling glare of feux rouges wave band overlapping with green glow, the metallic nanoparticle The extinction characteristic of sub- film (70) is：90% is more than to the absorptivity of 570nm~620nm wave bands, to 570nm~620nm wave bands Outer absorptivity is less than 1%, a length of 590nm ± 5nm of maximum absorption wave of the metal nanoparticle film (70)；When the metal nanoparticle film (70) can absorb the veiling glare of blue light wave band overlapping with green glow, the metallic nanoparticle The extinction characteristic of sub- film (70) is：90% is more than to the absorptivity of 480nm~520nm wave bands, to 480nm~520nm wave bands Outer absorptivity is less than 1%, a length of 500nm ± 5nm of maximum absorption wave of the metal nanoparticle film (70).
- 5. liquid crystal display as claimed in claim 1, it is characterised in that in the upper polaroid (40) and down polaroid (50) One be the 3rd polaroid (63) comprising the first metal nanoparticle film (71) Yu the second metal nanoparticle film (72), institute Another stated in upper polaroid (40) and down polaroid (50) is the second polaroid (62) not comprising metal nanoparticle film, The first metal nanoparticle film (71) can absorb the veiling glare of feux rouges wave band overlapping with green glow, second metal nano Particle membrane (72) can absorb the veiling glare of blue light wave band overlapping with green glow.
- 6. liquid crystal display as claimed in claim 5, it is characterised in that it is described include the first metal nanoparticle film (71) with 3rd polaroid (63) of the second metal nanoparticle film (72) includes：The stripping diaphragm being cascading from bottom to up (81), adhesion coating (82), the first metal nanoparticle film (71), the first protective layer (83), polarizing layer (84), the second protective layer (85), the second metal nanoparticle film (72), surface protection film (86)；Or the 3rd polaroid for including the first metal nanoparticle film (71) and the second metal nanoparticle film (72) (63) include：Stripping diaphragm (81), adhesion coating (82), the second metal nanoparticle film being cascading from bottom to up (72), the first protective layer (83), polarizing layer (84), the second protective layer (85), the first metal nanoparticle film (71), surface protection Film (86)；Second polaroid (62) not comprising metal nanoparticle film includes：The stripping being cascading from bottom to up is protected Cuticula (81), adhesion coating (82), the first protective layer (83), polarizing layer (84), the second protective layer (85), surface protection film (86).
- 7. liquid crystal display as claimed in claim 5, it is characterised in that the first metal nanoparticle film (71) and second The material of metal nanoparticle film (72) includes polymer and the metal nanoparticle being scattered in polymer；Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow be 480nm~ 520nm；The extinction characteristic of the first metal nanoparticle film (71) is：The absorptivity of 570nm~620nm wave bands is more than 90%, 1% is less than to the absorptivity outside 570nm~620nm wave bands, the maximum suction of the first metal nanoparticle film (71) Receipts wavelength is 590nm ± 5nm；The extinction characteristic of the second metal nanoparticle film (72) is：The absorptivity of 480nm~520nm wave bands is more than 90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the maximum suction of the second metal nanoparticle film (72) Receipts wavelength is 500nm ± 5nm.
- 8. liquid crystal display as claimed in claim 1, it is characterised in that in the upper polaroid (40) and down polaroid (50) One be to include the 4th polaroid (64) of the first metal nanoparticle film (71), the upper polaroid (40) and down polaroid (50) another in is to include the 5th polaroid (65) of the second metal nanoparticle film (72), first metallic nanoparticle Sub- film (71) can absorb the veiling glare of feux rouges wave band overlapping with green glow, and the second metal nanoparticle film (72) can absorb The veiling glare of blue light wave band overlapping with green glow.
- 9. liquid crystal display as claimed in claim 8, it is characterised in that the first metal nanoparticle film (71) of including 4th polaroid (64) includes：Stripping diaphragm (81), adhesion coating (82), the first metal being cascading from bottom to up are received Rice corpuscles film (71), the first protective layer (83), polarizing layer (84), the second protective layer (85), surface protection film (86)；Or the 4th polaroid (64) for including the first metal nanoparticle film (71) includes：Stack gradually from bottom to up The stripping diaphragm (81) of setting, adhesion coating (82), the first protective layer (83), polarizing layer (84), the second protective layer (85), first Metal nanoparticle film (71), surface protection film (86)；The 5th polaroid (65) for including the second metal nanoparticle film (72) includes：It is cascading from bottom to up Peel off diaphragm (81), adhesion coating (82), the second metal nanoparticle film (72), the first protective layer (83), polarizing layer (84), the Two protective layers (85), surface protection film (86)；Or the 5th polaroid (65) for including the second metal nanoparticle film (72) includes：Stack gradually from bottom to up The stripping diaphragm (81) of setting, adhesion coating (82), the first protective layer (83), polarizing layer (84), the second protective layer (85), second Metal nanoparticle film (72), surface protection film (86).
- 10. liquid crystal display as claimed in claim 8, it is characterised in that the first metal nanoparticle film (71) and the The material of two metal nanoparticle films (72) includes polymer and the metal nanoparticle being scattered in polymer；The material of the first metal nanoparticle film (71) and the second metal nanoparticle film (72) includes polymer and divided Dissipate the metal nanoparticle in polymer；Feux rouges wave band overlapping with green glow is 570nm~620nm；Blue light wave band overlapping with green glow be 480nm~ 520nm；The extinction characteristic of the first metal nanoparticle film (71) is：The absorptivity of 570nm~620nm wave bands is more than 90%, 1% is less than to the absorptivity outside 570nm~620nm wave bands, the maximum suction of the first metal nanoparticle film (71) Receipts wavelength is 590nm ± 5nm；The extinction characteristic of the second metal nanoparticle film (72) is：The absorptivity of 480nm~520nm wave bands is more than 90%, 1% is less than to the absorptivity outside 480nm~520nm wave bands, the maximum suction of the second metal nanoparticle film (72) Receipts wavelength is 500nm ± 5nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157523.7A CN107797331A (en) | 2017-11-20 | 2017-11-20 | Liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157523.7A CN107797331A (en) | 2017-11-20 | 2017-11-20 | Liquid crystal display |
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| CN108646458A (en) * | 2018-06-05 | 2018-10-12 | 深圳市华星光电技术有限公司 | Polaroid and preparation method thereof, liquid crystal display panel |
| CN109031775A (en) * | 2018-07-05 | 2018-12-18 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN109116625A (en) * | 2018-09-03 | 2019-01-01 | 深圳市华星光电技术有限公司 | Backlight module and its optical diaphragm |
| CN112147810A (en) * | 2020-09-17 | 2020-12-29 | 惠州市华星光电技术有限公司 | Polarizing plate and display panel |
| US11937467B2 (en) | 2019-02-01 | 2024-03-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device and display apparatus |
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Application publication date: 20180313 |