CN105911748A - Colored film substrate and display device - Google Patents
Colored film substrate and display device Download PDFInfo
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- CN105911748A CN105911748A CN201610525728.5A CN201610525728A CN105911748A CN 105911748 A CN105911748 A CN 105911748A CN 201610525728 A CN201610525728 A CN 201610525728A CN 105911748 A CN105911748 A CN 105911748A
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- light
- membrane substrates
- color membrane
- filter unit
- layer
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- 239000000758 substrate Substances 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 62
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 91
- 239000012528 membrane Substances 0.000 claims description 54
- 239000011241 protective layer Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 4
- 241001062009 Indigofera Species 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- -1 arsenic Aluminum Chemical compound 0.000 claims 1
- 239000002096 quantum dot Substances 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract 2
- 210000004027 cell Anatomy 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- MDPILPRLPQYEEN-UHFFFAOYSA-N aluminium arsenide Chemical compound [As]#[Al] MDPILPRLPQYEEN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention provides a colored film substrate and a display device, relates to the technical field of display, and aims to solve the problems that a color gamut can be resulted and the backlight transmission rate is low as a light filtering layer is made of a resin material. The colored film substrate is divided into a plurality of pixel units; each pixel unit comprises green sub-pixels, red sub-pixels and blue sub-pixels; the colored film substrate comprises a light filtering layer; the light filtering layer comprises a first light filtering unit positioned in the green sub-pixels, a second light filtering unit positioned in the red sub-pixels, and a third light filtering unit positioned in the blue sub-pixels; the first light filtering unit and the second light filtering unit can be made of a quantum dot material; the first light filtering unit emits green light under the excitation of blue light; the second light filtering unit emits red light under the excitation of blue light; light blue penetrates through the third light filtering unit.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of color membrane substrates and display device.
Background technology
TFT-LCD (English full name: Thin Film Transistor Liquid Crystal Display,
Chinese full name: Thin Film Transistor-LCD) to have volume little, low in energy consumption, radiationless etc.
Feature, is developed by leaps and bounds in recent years, occupies in current flat panel display market
Leading position.
TFT-LCD includes display floater and for providing the backlight of backlight to this display floater
Source.Wherein, display floater is provided with by red resin material, green resin material and indigo plant
The filter layer that chromoresin material is constituted.
In prior art, it is to excite yag crystal by blue chip that backlight sends
(YAG) fluorescent material sends gold-tinted and forms with blue light, then the redness respectively through filter layer
After resin material, green resin material, blue resins material, in white light, a part of light is inhaled
Receiving, another part is through forming monochromatic light after the resin material of different colours in filter layer.But,
So the monochromatic light purity generated is relatively low, thus reduces display colour gamut, and due to backlight
In source, a part of light can be absorbed through filter layer, thus reduces the transmitance of backlight.
Summary of the invention
Embodiments of the invention provide a kind of color membrane substrates and display device, it is possible to solve to use tree
Fat material constitutes filter layer, and causes showing colour gamut and the low problem of backlight transmitance.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
The embodiment of the present invention provides a kind of color membrane substrates, divides and has multiple pixel cell, described picture
Element unit includes green sub-pixels, red sub-pixel and blue subpixels；Described color membrane substrates
Including filter layer, described filter layer includes that the first optical filtering being positioned in described green sub-pixels is single
Unit, the second filter unit being positioned in described red sub-pixel, and it is positioned at described blue sub-picture
The 3rd filter unit in element；Wherein, constitute described first filter unit and described second to filter
The material of unit includes quanta point material, and described first filter unit is under the exciting of described blue light
Green light, described second filter unit glows under the exciting of described blue light, described 3rd filter
Light unit is for through blue light.
Preferably, the material constituting described 3rd filter unit is colourless transparent resin material.
Preferably, described color membrane substrates also includes underlay substrate；Described filter layer is positioned at described lining
Outside substrate.
Preferably, described color membrane substrates also includes the light line options being positioned at described filter layer incident side
Layer, while being used for passing through so that described blue light, block red light and green light.
Preferably, the first strip part and that described smooth line options layer includes alternately and contacts
Two strip parts, the refractive index of described first strip part and described second strip portion of material is not
With, it is used for through blue light, and green glow and the second HONGGUANG are reflected.
Preferably, the material constituting described first strip part includes GaAs；Constitute described
The material of two strip parts includes aluminium arsenide.
Preferably, described smooth line options layer is blue color blocking layer.
Preferably, the thickness of described filter layer is 2 μm～5 μm.
Preferably, the surface of described filter layer is coated with protective layer.
The another aspect of the embodiment of the present invention, it is provided that a kind of display device, including display floater,
Described display floater includes any one color membrane substrates as described above, and described display device is also
Backlight including the blue light-emitting being positioned at described display floater incident side.
Preferably, described display floater includes being arranged at described filter layer near described backlight
First polaroid of side and the second polaroid；Described first polaroid and described second polaroid
Different layer is arranged.
Preferably, it is positioned at described underlay substrate at described filter layer and deviates from the side of described backlight
In the case of, described color membrane substrates also includes described first polaroid, described first polaroid position
In described underlay substrate near described filter layer side.
Preferably, described display floater also includes with described color membrane substrates relative to the array base of box
Plate；Described second polaroid is positioned at the described array base palte side near backlight.
The embodiment of the present invention provides a kind of color membrane substrates and display device, and this color membrane substrates divides to be had
Multiple pixel cells.This pixel cell includes green sub-pixels, red sub-pixel and blue Asia
Pixel.On this basis, color membrane substrates includes filter layer, and this filter layer includes being positioned at green Asia
The first filter unit in pixel, the second filter unit being positioned in red sub-pixel, Yi Jiwei
The 3rd filter unit in blue subpixels.Wherein, the first filter unit and the second filter are constituted
The material of light unit includes quanta point material, the first filter unit greening under the exciting of blue light
Light, the second filter unit glows under the exciting of blue light, and the 3rd filter unit is for through indigo plant
Light.
It is positioned at redness owing to the first filter unit is positioned in green sub-pixels, the second filter unit
In sub-pix, the 3rd filter unit is positioned in blue subpixels, and therefore the first filter unit exists
Blue light excite emitted green light so that green sub-pixels sends optical filtering, second filter
Unit glows under the exciting of backlight, so that red sub-pixel glows, and institute
State the 3rd filter unit for through blue light, so that blue subpixels blue light-emitting.?
In the case of this, under the irradiation of blue light, above-mentioned pixel cell can send by above-mentioned green glow, red
Light and the white light of blue light, to show.On this basis, owing to constituting the
The material of one filter unit and the second filter unit includes that quanta point material, quanta point material are subject to
The monochromatic light purity that sends after exciting is high, and above-mentioned first filter unit and the second filter unit
Without the blue light as backlight is filtered, thus be conducive to improving the colour gamut of display device
Transmitance with backlight light.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 provides the structural representation of a kind of color membrane substrates for the embodiment of the present invention；
Fig. 2 is a kind of sectional view of the color membrane substrates obtained along O-O in Fig. 1；
The structural representation of a kind of display device that Fig. 3 provides for the embodiment of the present invention；
Fig. 4 is the structural representation of light line options layer in Fig. 3.
Reference:
01-display floater；02-backlight；10-color membrane substrates；100-pixel cell；101-is green
Color sub-pix；102-red sub-pixel；103-blue subpixels；11-filter layer；111-first
Filter unit；112-the second filter unit；113-the 3rd filter unit；12-light line options layer；
121-the first strip part；122-the second strip part；13-the first polaroid；14-second is inclined
Mating plate；15-protective layer；20-underlay substrate；21-sealed plastic box；30-array base palte.
Detailed description of the invention
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 entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
The embodiment of the present invention provides a kind of color membrane substrates 10, as it is shown in figure 1, division has multiple
Pixel cell 100.This pixel cell 100 includes green sub-pixels 101, red sub-pixel 102
And blue subpixels 103.
Wherein, as in figure 2 it is shown, color membrane substrates 10 includes filter layer 11, this filter layer 11
Including the first filter unit 111 being positioned in green sub-pixels 101, it is positioned at red sub-pixel 102
In the second filter unit 112, and the 3rd filter unit being positioned in blue subpixels 103
113。
On this basis, the first filter unit 111 and material of the second filter unit 112 is constituted
Including quanta point material, this first filter unit 111 excites emitted green light at blue light, and second
Filter unit 112 glows under the exciting of above-mentioned blue light, and the 3rd filter unit 113 is used for
Through blue light.Wherein, this blue light can be by the display device using this color membrane substrates 10 to constitute
In backlight provide.
It should be noted that above-mentioned quanta point material refers to, doped with quantum dot (English full name:
Quantum Dot, English abbreviation: QD) material, such as at resin material (such as photoresist)
Middle doping different size, or the quanta point material of variable concentrations, to form the first filter unit
111 and second filter unit 112.
Wherein, above-mentioned quantum dot is nanocrystal, its three dimensions size all 1～
Between 10nm, the motion in all directions of its internal electron is all limited to, so quantum dot
Quantum confined effect (Quantum Confinement Effect) particularly significant.Due to electronics and
Hole is by quantum confinement, and continuous print band structure becomes the discrete energy levels knot with molecular characterization
Structure, electronics and the hole of various sizes of quantum dot are different by the degree of quantum confinement, molecule
The discrete energy levels structure of characteristic is also different because the size of quantum dot is different.Therefore, by outward
After boundary's light excites, various sizes of quantum dot is different due to level structure, the light inspired
Wavelength be also not quite similar.So to constituting the first filter unit 111 and the second filter can be constituted
The size of the quantum dot of light unit 112 is adjusted so that the amount in the first filter unit 111
Son point is at the emitted green light that excites of blue light, and the quantum dot in the second filter unit 112 is in above-mentioned indigo plant
Glow under the exciting of light.
Or, it is also possible to the concentration of the quantum dot being doped in above-mentioned photoresist is adjusted, makes
Obtain the first filter unit 111 and the second filter unit 112 has different ray refractive indexs, from
And make the quantum dot in the first filter unit 111 at the emitted green light that excites of blue light, second filters
Quantum dot in light unit 112 glows under the exciting of above-mentioned blue light.
Additionally, due to the wavelength of light launched after being stimulated of quantum dot only with the energy level of quantum dot
Structure is relevant, and the wavelength halfwidth (FWHM) of the light therefore inspired is the narrowest, luminance purity
Height, therefore, employing quantum dot is applied to display device as the color membrane substrates 10 of filter layer 11
Time, this display device has the highest colour gamut, and display quality is high.
The embodiment of the present invention provides a kind of color membrane substrates.This color membrane substrates divides multiple pixel list
Unit.This pixel cell includes green sub-pixels, red sub-pixel and blue subpixels.At this
On the basis of, color membrane substrates includes filter layer, and this filter layer includes be positioned in green sub-pixels
One filter unit, the second filter unit being positioned in red sub-pixel, and it is positioned at blue sub-picture
The 3rd filter unit in element.Wherein, the first filter unit and the material of the second filter unit are constituted
Material includes quanta point material, and the first filter unit excites emitted green light at blue light, and second filters
Unit glows under the exciting of blue light, and the 3rd filter unit is for through blue light.
It is positioned at redness owing to the first filter unit is positioned in green sub-pixels, the second filter unit
In sub-pix, the 3rd filter unit is positioned in blue subpixels, and therefore the first filter unit exists
Blue light excite emitted green light so that green sub-pixels sends optical filtering, second filter
Unit glows under the exciting of backlight, so that red sub-pixel glows, and institute
State the 3rd filter unit for through blue light, so that blue subpixels blue light-emitting.?
In the case of this, under the irradiation of blue light, above-mentioned pixel cell can send by above-mentioned green glow, red
Light and the white light of blue light, to show.On this basis, owing to constituting the
The material of one filter unit and the second filter unit includes that quanta point material, quanta point material are subject to
The monochromatic light purity that sends after exciting is high, and above-mentioned first filter unit and the second filter unit
Without the blue light as backlight is filtered, thus be conducive to improving the colour gamut of display device
Transmitance with backlight light.
On this basis, so that above-mentioned 3rd filter unit 113 can pass through blue light, structure
The material becoming above-mentioned 3rd filter unit 113 can be blue resins material, or water white transparency
Resin material.Due to when use blue resins material constitute above-mentioned three filter unit 113 time,
In order to reduce the filter effect of the blue light that backlight is sent by blue resins material, above-mentioned blue tree
The blue purity of fat material needs the purity approximately equal of the blue light provided with backlight.But
So can improve the preparation technology of blue resins material, be unfavorable for the reduction of production cost.
It is therefore preferable that the material constituting the 3rd filter unit 113 uses colourless transparent resin material.
So, the blue light that backlight provides directly can go out through above-mentioned colourless transparent resin material
Penetrate, thus avoid the 3rd filter unit 113 that the blue light that backlight provides is carried out optical filtering and cause light
The problem that line use ratio reduces.
Further, at color membrane substrates 10 as it is shown on figure 3, also include the feelings of underlay substrate 20
Under condition, this filter layer 11 is positioned at outside underlay substrate 20.Wherein, outside underlay substrate 20
Refer to, when the display floater 01 using above-mentioned color membrane substrates 10 to constitute also includes and above-mentioned color film
During the array base palte 30 of the relative box of substrate 10, above-mentioned underlay substrate 20 deviates from this array base palte
The side of 30 is the outside of this underlay substrate 20.
So, on the one hand, can be first by the color membrane substrates 10 made respectively and array
The relative box of substrate 20, to form liquid crystal cell, makes above-mentioned the most again in the outside of underlay substrate 20
Filter layer 11 such that it is able to avoid integrated filtering layer 11 during making color membrane substrates 10
Making step, cause the complication of color membrane substrates 10 processing technology.
On the other hand, when filter layer 11 is positioned at outside underlay substrate 20, making display surface
During plate 01, need thin layer few made at the upper surface of filter layer 11, because of
HONGGUANG that this this filter layer 11 sends after being stimulated by blue light and green glow are without again through too much Jie
Matter and be directly transmitted to human eye such that it is able to avoid above-mentioned medium to HONGGUANG and the absorption of green glow,
Light utilization is caused to reduce.Based on this, owing to filter layer 11 is positioned at outside underlay substrate 20
Time, the light that filter layer 11 sends can be directly transmitted to human eye, deposit adjacent the most hardly
The light of two sub-pixs is in the phenomenon of display floater 01 internal mix, so using such as Fig. 3
Shown color membrane substrates 10 constitutes in display floater 01, between adjacent two sub-pixs without
It is provided for isolating monochromatic shelter.
On this basis, so that be made in the upper of the filter layer 11 outside underlay substrate 20
Surface can be smooth, and is not affected by oxygen in external environment and impurity, it is preferred that
The surface of this filter layer 11 is coated with protective layer 15.Wherein, the material of this protective layer 15 is constituted
Material is preferably colourless transparent resin material, and to improve the transmitance of this protective layer 15, it is right to reduce
The absorption that filter layer 11 emits beam.Additionally, when above-mentioned 3rd filter unit 113 is also adopted by
During colourless transparent resin material, the 3rd filter unit 113 can exist with above-mentioned protective layer 15
Prepared by patterning processes.
Further, in order to improve the utilization rate of light, it is preferred that this color membrane substrates 10 is such as
Shown in Fig. 3, also include the light line options layer 12 being positioned at filter layer 11 incident side, be used for so that
While blue light passes through, block red light and green light.
Concrete, above-mentioned filter layer 11 incident side refers to, when using above-mentioned color membrane substrates 10
When the display floater 01 constituted also includes backlight 02 as shown in Figure 3, backlight 02
The light gone out is incident to filter layer 11 near this lining through the underlay substrate 20 of color membrane substrates 10
The side of substrate 20.The most above-mentioned filter layer of incident side 11 of the most above-mentioned filter layer 11 leans on
The side of this underlay substrate 20 nearly.
In the case, when filter layer 11 incident side is provided with light line options layer 12, backlight
The blue light that source 02 sends can be incident to the first filter unit by above-mentioned smooth line options layer 12
111, to excite the first filter unit 111 green glow；It is incident to the second filter unit 112, with
The second filter unit 112 is excited to glow；It is incident to the 3rd filter unit 113, so that blue
Light transmission the 3rd filter unit 113.Additionally, this light line options layer 12, can be with block red light
And green light, so, it is possible to prevent the green glow and that the first filter unit 111 sends
The HONGGUANG that two filter units 112 send is to incident, to avoid near the side of underlay substrate 20
The purity of the blue light that backlight 02 sends is impacted by the green glow and the HONGGUANG that send downwards.
Hereinafter the set-up mode of above-mentioned filter layer 11 is carried out detailed illustration.
Such as, above-mentioned smooth line options layer 12 can include alternately as shown in Figure 4 and contact
First strip part 121 and the second strip part 122.This first strip part 121 and second
The refractive index of strip part 122 material is different, for the blue light sent through backlight and right
The HONGGUANG that first filter unit 111 green glow and the second filter unit 112 send reflects.
On this basis, it is preferred that the material of above-mentioned first strip part 121 includes GaAs
(GaAs)；The material constituting described second strip part includes aluminium arsenide (AlAs)
The most such as, above-mentioned smooth line options layer 12 can be blue color blocking layer, such that it is able to pass through
The blue light that backlight sends, and to the first filter unit 111 green glow and the second filter unit 112
The HONGGUANG sent absorbs.
Further, the thickness of above-mentioned filter layer 11 is preferably 2 μm～5 μm.Work as filter layer
When the thickness of 11 is less than 2 μm, owing to the thickness of filter layer 11 is the least, thus the amount of reducing
The doping content of son point so that blue light excites down optical filtering that the first filter unit 111 sends and the
The amount of the HONGGUANG that two filter units 112 send very little, reduces display brightness.When filter layer 11
Thickness more than 5 μm time, although owing to the thickness of filter layer 11 can improve quantum relatively greatly
The doping content of point, is beneficial to improve display brightness, but owing to filter layer 11 thickness is crossed very much not
It is beneficial to the design of display floater ultrathin.Therefore, when the thickness of photosphere 11 is in 2 μm～5 μm
In the range of, it is possible to not only improve the ultrathin design improving display floater, be beneficial to again improve display
Brightness.
The embodiment of the present invention provides a kind of display device, as it is shown on figure 3, include display floater
01.This display floater includes any one color membrane substrates 10 as above.Additionally, this shows
Showing device also includes the backlight 02 being positioned at the blue light-emitting of display floater 01 incident side.
It should be noted that the structure of color membrane substrates 10 in above-mentioned display device and useful effect
Structure and the beneficial effect of the color membrane substrates 10 that fruit provides with previous embodiment are identical, due to front
State embodiment structure and beneficial effect to above-mentioned color membrane substrates 10 to have carried out specifically
Bright, here is omitted.
Further, showing to realize picture, display floater 01 includes that different layer arranges first
Polaroid 13 and the second polaroid 14.Wherein, the first polaroid 13 and the second polaroid 14
The polaroid that middle distance backlight 02 is nearer, the such as second polaroid 14 can be to backlight
02 light sent is polarized, thus obtains line polarized light, and distance backlight 02 is farther out
Polaroid, the line polarized light that the second polaroid 14 can be passed through by the such as first polaroid 13
Continue with the state outgoing of line polarized light, show realizing picture.
In the case, above-mentioned first polaroid 13 and the second polaroid 14 are arranged at filter layer
11 near the side of backlight 02.So, can avoid being arranged at filter layer 11
Between first polaroid 13 and the second polaroid 14, so that the second polaroid 14 passes through
Line polarized light expose to filter layer 11 after, scattered by the quanta point material in this filter layer 11
Forming elliptically polarized light, this elliptically polarized light is not easy from first after arriving the second polaroid 11
Polaroid 13 outgoing, thus it is unfavorable for display.
It is arranged at filter layer 11 near the back of the body below when the first polaroid 13 and the second polaroid 14
During the side of light source 02, the set-up mode of the first polaroid 13 and the second polaroid 14 is carried out
Describe in detail.
Concrete, as it is shown on figure 3, be positioned at underlay substrate 20 at filter layer 11 to deviate from backlight
02 side in the case of, color membrane substrates 10 also includes above-mentioned first polaroid 13.This is years old
One polaroid 13 is positioned at underlay substrate 20 near filter layer 11 side.Concrete, when upper
State the incident side of filter layer 11 when being provided with light line options layer 12, above-mentioned first polaroid 13
May be located between light line options layer 12 and underlay substrate 20, with surface light line options layer 12
Impact on the polarization direction of the line polarized light that the second polaroid 14 passes through.
Based on this, also include the array base palte of box relative with color membrane substrates 10 at display floater 01
When 30, the second polaroid 14 is positioned at the array base palte side near backlight 02.Concrete,
Can be by relative with array base palte 30 for the color membrane substrates 10 made box to form liquid crystal cell, its
In, this liquid crystal cell can be sealed by sealed plastic box 21.Then, lean at array base palte 30
The side of nearly backlight 02 makes above-mentioned second polaroid 14.
It should be noted that the present invention is to making above-mentioned first polaroid 13 and the second polaroid
The method of 14 does not limits, such as, can directly be attached by the polaroid directly provided by producer
In the position arranging above-mentioned polaroid.Pressure sensitive adhesive that wherein, this polaroid includes setting gradually,
Supporting course (being made up of Triafol T), polarizing layer (being made up of polyvinyl alcohol), supporting
Layer and pressure sensitive adhesive.
Or the most such as, making the process of display floater, using polaroid processing technology,
On the substrate of this polaroid pre-formed, coating metallic aluminium thin layer, silicon dioxide layer the most successively,
Then gluing, heating, pressing mold, the demoulding, etching and silicon nitride packaging process system are passed sequentially through
Standby above-mentioned polaroid.Owing to this polaroid processing technology having heating link, therefore constitute filter
In chromatograph 11, the resin material for doped quantum dot needs to use heat-resisting material.Additionally,
Above-mentioned polaroid processing technology is more complicated, and yields is low, the most preferably above by attachment process
By the polarizer sheet sticking to prepare in the way of arranging position, polaroid is configured.
Additionally, the polarization direction of the first polaroid 13 and the second polaroid 14 is not done by the present invention
The polarization direction of restriction, the such as first polaroid 13 and the second polaroid 14 can be identical, or
The polarization direction of person's the first polaroid 13 and the second polaroid 14 can be vertical.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
Being not limited to this, any those familiar with the art is at the technology model that the invention discloses
In enclosing, change can be readily occurred in or replace, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (13)
1. a color membrane substrates, divides and has multiple pixel cell, it is characterised in that described pixel
Unit includes green sub-pixels, red sub-pixel and blue subpixels；
Described color membrane substrates includes that filter layer, described filter layer include being positioned at described green sub-pixels
In the first filter unit, the second filter unit of being positioned in described red sub-pixel, Yi Jiwei
The 3rd filter unit in described blue subpixels；
Wherein, described first filter unit and the material amount of including of described second filter unit are constituted
Son point material, described first filter unit at the emitted green light that excites of described blue light, described second
Filter unit glows under the exciting of described blue light, and described 3rd filter unit is for through indigo plant
Light.
Color membrane substrates the most according to claim 1, it is characterised in that constitute the described 3rd
The material of filter unit is colourless transparent resin material.
Color membrane substrates the most according to claim 1, it is characterised in that described color membrane substrates
Also include underlay substrate；Described filter layer is positioned at outside described underlay substrate.
4. according to the color membrane substrates described in any one of claim 1-3, it is characterised in that described
Color membrane substrates also includes the light line options layer being positioned at described filter layer incident side, is used for so that described
While blue light passes through, block red light and green light.
Color membrane substrates the most according to claim 4, it is characterised in that described smooth line options
Layer includes alternately and the first strip part of contacting and the second strip part, described first strip
Part is different with the refractive index of described second strip portion of material, is used for through blue light, and to green
Light and the second HONGGUANG reflect.
Color membrane substrates the most according to claim 5, it is characterised in that constitute described first
The material of strip part includes GaAs；The material constituting described second strip part includes arsenic
Aluminum.
Color membrane substrates the most according to claim 4, it is characterised in that described smooth line options
Layer is blue color blocking layer.
Color membrane substrates the most according to claim 1, it is characterised in that described filter layer
Thickness is 2 μm～5 μm.
Color membrane substrates the most according to claim 3, it is characterised in that described filter layer
Surface is coated with protective layer.
10. a display device, it is characterised in that include display floater, described display floater
Including the color membrane substrates as described in any one of claim 1-9, described display device also includes being positioned at
The backlight of the blue light-emitting of described display floater incident side.
11. display devices according to claim 10, it is characterised in that described display surface
Plate includes the first polaroid and second being arranged at described filter layer near the side of described backlight
Polaroid；Described first polaroid and the described second different layer of polaroid are arranged.
12. display devices according to claim 11, it is characterised in that in described optical filtering
In the case of layer is positioned at the side that described underlay substrate deviates from described backlight,
It is described that described color membrane substrates also includes that described first polaroid, described first polaroid are positioned at
Underlay substrate is near described filter layer side.
13. according to the display device described in claim 11 or 12, it is characterised in that described
Display floater also includes with described color membrane substrates relative to the array base palte of box；
Described second polaroid is positioned at the described array base palte side near backlight.
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| CN201610525728.5A CN105911748A (en) | 2016-07-05 | 2016-07-05 | Colored film substrate and display device |
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| CN201610525728.5A CN105911748A (en) | 2016-07-05 | 2016-07-05 | Colored film substrate and display device |
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