CN107797333A - A kind of quantum dot color membrane structure for being applied to multiple bases and ultrahigh resolution - Google Patents
A kind of quantum dot color membrane structure for being applied to multiple bases and ultrahigh resolution Download PDFInfo
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- CN107797333A CN107797333A CN201711256429.7A CN201711256429A CN107797333A CN 107797333 A CN107797333 A CN 107797333A CN 201711256429 A CN201711256429 A CN 201711256429A CN 107797333 A CN107797333 A CN 107797333A
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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
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
-
- 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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution.Black matrix barrier is by photoetching or is printed in glass substrate upper surface, quantum dot filled therewith is in the black matrix barrier corresponding color subpixel area, encapsulated layer is used for by quantum dot slurry package curing in black matrix barrier corresponding color subpixel area, and anti-blue light film layer, light modulation film layer are set in turn on the encapsulated layer from top to bottom；Utilize the quantum dot of black matrix barrier corresponding color subpixel area described in blue light deexcitation, send the monochromatic light of respective color, and the purity that the black matrix barrier corresponding color subpixel area goes out light color is improved by the anti-blue light film layer, light modulation film layer, reduction is harassed, and the light to transmiting plays a part of front aligning outgoing, effectively improves positive emitting brightness.Structure of the present invention can overcome color conversion rate bad the problem of causing excitation to reduce with light utilization efficiency decline among the luminous process of blue light excitation quantum point.
Description
Technical field
The present invention relates to display technology field, and in particular to a kind of suitable for multiple bases and the quantum stippling of ultrahigh resolution
Membrane structure.
Background technology
Lcd technology is widely applied in social every field in recent years.It is continuous along with the living standard of people
Improve, the requirement to the display quality of liquid crystal display also gradually steps up, wherein there is very high want in terms of colour gamut and brightness
Ask.Quantum dot preferably solves this problem as a kind of appearance of new material, and quantum dot has that emission wavelength is tunable, hair
Light width, luminous efficiency are high, light, heat and good chemical stability, are processed by solution, spin coating or ink jet printing film forming
It is to be applied to the luminescent material of new generation that solid-state illumination and full color flat panel are shown afterwards by luminescence generated by light.Quantum dot LED and tradition
Fluorescent material LED and current organic LED compare, during for showing and illuminate, have wide colour gamut, the high and low power consumption of excitation,
The advantages that low cost, easy processing.
In utilizing quanta point material to be used in the structure of luminescence generated by light with spectra collection, the color that purity is high and luminous
It can be adjusted by the ratio of quanta point material.Its advantage applied display field can be very good improve display set
Standby contrast and colour gamut.But present technology essentially consists in and mixes quantum dot by the proportioning mode of solution or slurry
It is encapsulated among site, diaphragm and glass tube and quantum dot site, quantum dot film and quantum dot pipe is made, and by these structures extremely
Among the structure of backlight, and using blue light as backlight, the light of corresponding color is sent by blue light excitation quantum point.But
Because quantum dot there may be quantum dot skewness or concentration is inadequate during configuration, cause blue light excitation quantum point
Color conversion rate incessantly causes excitation to reduce among luminous process（Blue light is included among the monochromatic light sent）Utilized with light
The problem of rate declines.
The content of the invention
It is an object of the invention to overcome among quantum dot display backlight structure, using blue light as backlight, pass through blue light
Excitation quantum point sends the light of corresponding color；But because quantum dot there may be quantum dot distribution during configuration
Uneven or concentration is inadequate, causes color conversion rate deficiency among the luminous process of blue light excitation quantum point to cause excitation to reduce
The problem of declining with light utilization；And there is water oxygen erosion among the process of use, and one kind is provided and is applied to more bases
The quantum dot color membrane structure of color and ultrahigh resolution.
To achieve the above object, the technical scheme is that：It is a kind of to be applied to multiple bases and the quantum of ultrahigh resolution
Point color membrane structure, including glass substrate, black matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, light modulation film layer；It is described
Black matrix barrier is by photoetching or is printed in glass substrate upper surface, and can be arranged as required into various patterns arrangement, institute
Quantum dot filled therewith is stated in the black matrix barrier corresponding color subpixel area, the encapsulated layer is used to starch quantum dot
Expect package curing in black matrix barrier corresponding color subpixel area, the anti-blue light film layer, light modulation film layer from top to bottom according to
It is secondary to be arranged on the encapsulated layer；Using the quantum dot of black matrix barrier corresponding color subpixel area described in blue light deexcitation,
The monochromatic light of respective color is sent, and the black matrix barrier corresponding color is improved by the anti-blue light film layer, light modulation film layer
Subpixel area goes out the purity of light color, and reduction is harassed, and the light to transmiting plays a part of front aligning outgoing, effectively
Improve positive emitting brightness.
In an embodiment of the present invention, the quantum dot filled therewith is in corresponding sub-pixel position in the black matrix barrier
Mode in putting is：Monochromatic quantum dot is dissolved in proportion including toluene, chlorobenzene, n-hexane, normal octane it is one or more molten
Among agent, then uniformly it is mixed among ink or resin material in proportion, forms monochromatic quantum dot slurry；Then, by including
Monochromatic quantum dot slurry is transferred to the black matrix barrier corresponding color sub-pixel area by the technique of printing, printing or photoetching respectively
In domain, and the black matrix barrier corresponds to blue subpixel areas as sky.
In an embodiment of the present invention, the encapsulated layer use include the water proof of transparent resin, photoresist or UV glue every
Oxygen material, made by the technique including printing, inkjet printing, chromatography or spin coating；The transparent resin, photoresist or
The water proof oxygen barrier material of UV glue be selected from polymethyl methacrylate, organosiloxane resins, acrylate modified organic siliconresin,
Acrylic resin, acrylic acid modified polyurethane and epoxy resin, photosensitive resin, epoxy acrylate, polyurethane acroleic acid
One or more of mixing in ester, polyether acrylate, polyester acrylate.
In an embodiment of the present invention, the anti-blue light film layer position corresponds to non-blue subpixels in the black matrix barrier
The surface in region, and size matches, into array arrangement；Anti-blue light film layer is by coated film deposition or depends on the light modulation
Film layer lower surface, the lower layer plane of anti-blue light film layer are Bragg reflector, anti-blue light overlay film or software, strong to reduce blue light
Degree.
In an embodiment of the present invention, the light modulation film layer is planar lens, prism or convex lens structures, has leaded light
And modulation light extraction light angle function.
In an embodiment of the present invention, the planar lens structural thicknesshFor 15um-50um, it is as anti-blue light film layer
Substrate.
In an embodiment of the present invention, the prism structure thicknesshFor 15um-50um, its peak heightlFor 15um-20um, rise
Guide-lighting effect；The angle a of the upper drift angle of prism structure is 10 degree to 90 degree, and the prism structure plays the effect of front optically focused.
In an embodiment of the present invention, the convex lens structures be convex microlens array structure and with black matrix barrier pair
Color sub-pixels region is answered to correspond, its radius of curvature is 7e-5 m to 10e-5 m, has convergence effect to positive light extraction,
Harassed with reducing different colours light.
In an embodiment of the present invention, the arrangement mode of the black matrix barrier is to include rectangle array of sub-pixels row
The Chinese character pin-shaped arrangement of cloth, square sub-pixel, the arrangement of square sub-pixel matrix pattern, the Chinese character pin-shaped arrangement of circular sub-pixel, circular son
The polygon pixel arrangement mode of pixel matrix pattern arrangement；The rectangle array of sub-pixels arrangement, sub-pixel Aspect Ratio
For 3：1, its long wide scope is respectively 90um-210um and 30um-70um；The Chinese character pin-shaped arrangement of the square sub-pixel, square
Sub-pixel matrix pattern is arranged, and its side size range of sub-pixel is 30um-70um；The circular sub-pixel is Chinese character pin-shaped to arrange, is circular sub
Pixel matrix pattern is arranged, and its radius is 15um-35um.
In an embodiment of the present invention, black matrix barrier corresponding color subpixel area is applied to include red-green-blue
The multiple bases arrangement mode of arrangement display, red, green, blue and white or red, green, blue and yellow.
Compared to prior art, the invention has the advantages that：Structure of the present invention can overcome blue light excitation quantum
Color conversion rate incessantly causes excitation to reduce the problem of declining with light utilization efficiency among the luminous process of point, improves blue light and excites
The excitation of color conversion rate and light utilize among the process of quantum dot light emitting.
Brief description of the drawings
Fig. 1 is the first anti-blue light film layer structure in the present invention, and it is quantum stippling film anti-blue light plane membrane structure under
It is supreme to dim film layer including glass substrate, black matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, prism.
Fig. 2 for the present invention in second of anti-blue light film layer structure, its be quantum stippling film anti-blue light convex lens membrane structure from
Under it is supreme including glass substrate, black matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, level crossing light modulation film layer.
Fig. 3 is the third anti-blue light film layer structure of the present invention, and it is quantum stippling film anti-blue light prism membrane structure under
It is supreme to dim film layer including glass substrate, black matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, convex lens.
Second of multiple bases that Fig. 4 is the present invention show structure, and it is multiple bases quantum stippling film anti-blue light prism film knot
Structure.
The first multiple bases that Fig. 5 is the present invention show structure, and it is color displays primary colours distribution map.
The third multiple bases that Fig. 6 is the present invention show structure, and it grows for multiple bases quantum stippling film anti-blue light prism film
Square subpixel colors display pixel arrangement schematic diagram.
Fig. 7 be the present invention the 4th kind of multiple bases show structure, its be multiple bases quantum stippling film anti-blue light prism film just
Square subpixel colors display pixel arrangement schematic diagram.
The 5th kind of multiple bases that Fig. 8 is the present invention show structure, and it is the circular sub- picture of quantum stippling film anti-blue light prism film
Plain color displays pixel arrangement schematic diagram.
The 6th kind of multiple bases that Fig. 9 is the present invention show structure, and it is quantum stippling film anti-blue light prism film polygon picture
Plain color displays pixel arrangement schematic diagram.
In figure：1-pmma substrates, 2- black matrix, 3- anti-blue light films, 4- red quantum dots, 5- green quantum dots, 6- encapsulation
Layer, 7- level crossings light modulation film layer, 8- prisms light modulation film layer, 9- convex lens light modulation film layer, 10- white phosphors.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
A kind of quantum dot color membrane structure suitable for multiple bases and ultrahigh resolution of the present invention, including it is glass substrate, black
Matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, light modulation film layer；The black matrix barrier is by photoetching or is printed in
Glass substrate upper surface, and various patterns arrangement can be arranged as required into, the quantum dot filled therewith is in the black square
In battle array barrier corresponding color subpixel area, the encapsulated layer is used for quantum dot slurry package curing is corresponding in black matrix barrier
In color sub-pixels region, the anti-blue light film layer, light modulation film layer are set in turn on the encapsulated layer from top to bottom；Utilize indigo plant
The quantum dot of black matrix barrier corresponding color subpixel area, sends the monochromatic light of respective color described in light deexcitation, and passes through
The anti-blue light film layer, light modulation film layer improve the purity that the black matrix barrier corresponding color subpixel area goes out light color, subtract
Harass less, and the light to transmiting plays a part of front aligning outgoing, effectively improves positive emitting brightness.
Mode of the quantum dot filled therewith in corresponding sub-pixel position in the black matrix barrier be：By monochrome
Quantum dot be dissolved in proportion including toluene, chlorobenzene, n-hexane, normal octane one or more solvents among, it is then uniform in proportion
It is mixed among ink or resin material, forms monochromatic quantum dot slurry；Then, by including printing, printing or the work of photoetching
Monochromatic quantum dot slurry is transferred in the black matrix barrier corresponding color subpixel area by skill respectively, and the black matrix hinders
Wall corresponds to blue subpixel areas as sky.
The encapsulated layer, which uses, includes the water proof oxygen barrier material of transparent resin, photoresist or UV glue, by including printing,
Inkjet printing, chromatography or the technique of spin coating are made；The water proof oxygen barrier material choosing of the transparent resin, photoresist or UV glue
From polymethyl methacrylate, organosiloxane resins, acrylate modified organic siliconresin, acrylic resin, propylene
Sour modified polyurethane and epoxy resin, photosensitive resin, epoxy acrylate, urethane acrylate, polyether acrylate, polyester
One or more of mixing in acrylate.
The anti-blue light film layer position corresponds to the surface of non-blue subpixel areas in the black matrix barrier, and greatly
It is small to match, into array arrangement；Anti-blue light film layer is by coated film deposition or depends on the light modulation film layer lower surface, anti-blue light film
The lower layer plane of layer is Bragg reflector, anti-blue light overlay film or software, to reduce blue light strength.
In an embodiment of the present invention, the light modulation film layer is planar lens, prism or convex lens structures, has leaded light
And modulation light extraction light angle function.
The planar lens structural thicknesshFor 15um-50um, its substrate as anti-blue light film layer.The prism structure
ThicknesshFor 15um-50um, its peak heightlFor 15um-20um, guide-lighting effect is played；The angle a of the upper drift angle of prism structure is 10
For degree to 90 degree, the prism structure plays the effect of front optically focused.The convex lens structures be convex microlens array structure and with
Black matrix barrier corresponding color subpixel area corresponds, and its radius of curvature is 7e-5 m to 10e-5 m, has to positive light extraction
There is convergence effect, harassed with reducing different colours light.
The arrangement mode of the black matrix barrier be include rectangle array of sub-pixels arrangement, square sub-pixel it is Chinese character pin-shaped
Arrangement, the arrangement of square sub-pixel matrix pattern, the Chinese character pin-shaped arrangement of circular sub-pixel, the polygon of circular sub-pixel matrix pattern arrangement
Pixel arrangement mode；The rectangle array of sub-pixels arrangement, sub-pixel Aspect Ratio are 3：1, its long wide scope is respectively
90um-210um and 30um-70um；The Chinese character pin-shaped arrangement of the square sub-pixel, the arrangement of square sub-pixel matrix pattern, sub- picture
Its plain side size range is 30um-70um；The Chinese character pin-shaped arrangement of the circular sub-pixel, the arrangement of circular sub-pixel matrix pattern, its radius
Scope is 15um-35um.
Black matrix barrier corresponding color subpixel area be applied to include red-green-blue arrangement show, red, green, blue and white or
The multiple bases arrangement mode of red, green, blue and yellow.
It is below the specific implementation process of the present invention.
As shown in figure 1, making method of the black matrix 2 by photoetching first on glass substrate 1, the effect of photoetching is to cover
Pattern transfer on masterplate is realized on glass surface especially by gluing, graph exposure, development.Each wall of black matrix 2
It is that 20um is highly 1um to hinder width, and its center size is 73um*210um.Divided according still further to three sub-pixels of red green blue
Cloth.
As shown in figure 5, the first, which is three primary colours, shows that the subpixel colors of structure show distribution map, using inkjet printing or
The slurry of red quantum dot 4 and the slurry of green quantum dot 5 are transferred in the barrier of black matrix 2 corresponding by the technique of person's printing respectively
Among red green sub-pixel position, its sub-pixel position is arranged according to red, green, empty order, and empty sub-pixel position is not filled with
Quantum dot slurry.Again above the quantum dot slurry prepared plus cause one layer of encapsulated layer 6, encapsulated layer 6 by ink, photoresist or
UV glue is crossed printing, one layer of ink of inkjet printing chromatography or spin coating or photoresist and formed all.
It is the first anti-blue light film layer structure as shown in Figure 2.The superiors dim film layer 7 for the level crossing of appointed thickness, its
The substrate that film layer is coated with as anti-blue light film 3.The thickness of anti-blue light film 3 is n λ/4（λ is blue light wavelength；N is the number of plies of film layer, and n
For odd number）, and the material of anti-blue light film 3 includes：Al2O3,AlF3,Bi2O3,CeF3,MgF2,SiO,SiO2,Ta2O5,TiO2,
Y2O3, ZnS, ZrO2 etc., while the multimembrane Rotating fields of anti-blue light must be with the material of two or more above-mentioned different refractivity
Material forms according to high-low-high overlap of refractive index.Wherein the refractive index of the upper and lower sides film layer of odd-level film layer is more than the folding of film layer
When penetrating rate, and the phase difference of successive two light beam is equal to π in each the reflected beams of film layer, then the light energy of specified wavelength is reflected
It is most strong.One of those preferable embodiment is as follows：The n of anti-blue light film 3 is set as 9, thickness is set as 1012.5nm and adopted
Excited with the blue light of 450nm wavelength, and with TIO2 and SIO2 materials by atomic layer deposition process by material with monatomic film shape
Formula is alternately plated on upper strata light modulation film layer lower surface and forms anti-blue light film 3 in layer.Due to the thickness of specific film layer, by blue light
Certain is reflected back recycling, and excitation quantum point is launched again, and its reflection efficiency to blu-ray reflection reaches 93.76%, and
Reflection efficiency to red green light is only 6.53%.The film layer makes blue light obtain good recycling, and improves light extraction
Purity.
It is second of anti-blue light film layer structure as shown in Figure 2.Its structure of prism light modulation film layer 8 includes two parts：
Base part thickness h is that 15um plays guide-lighting effect；On component prism the angle a of drift angle be 80 degree, its peak height l for 15um extremely
20um, the structure play the effect of front optically focused.The reflex played to blue light is set by this kind, and light is played
Certain aligning and the effect of blast.Film layer 8 is dimmed to the continuous refraction of light and total reflection by prism, with specific angle
Scope is spent to project.Selective injection is played to light by the structure, the color of light extraction is played high-purity, high brightness and height
The effect of contrast.
It is the third anti-blue light film layer structure as shown in Figure 3.The convex lens dim film layer 9, and it makes on lens
Microlens array structure, its radius of curvature are 70um, and microlens array is corresponding with sub-pixel one-to-one corresponding.The structure rises to light extraction
Certain convergence effect has been arrived, has reduced the sub- colour mixture of exiting surface.
As shown in Fig. 5,6,7,8,9, there is provided it is a kind of to be applied to ultrahigh resolution and the pixel arrangement scheme of multiple bases,
Solve the problems, such as that display pixel is less and less.Under said structure display mode, Fig. 5 and Fig. 6 show one kind and are applied to difference
The pixel of dimensions.
Fig. 6（a）、（b）A shown pixel contains four sub-pixels of red, green, blue and yellow or red, green, blue and white, each sub-pixel
Length-width ratio is 3:1.The first structure it is original on the basis of, reduce the size of sub-pixel and add on this basis
4th sub-pixel.4th sub-pixel can by yellow quantum dot slurry either white phosphor by printing or printing
In process transfer to black matrix barrier, it is excited to send gold-tinted or white light also with blue light.As shown in Figure 4, by corresponding to
Red green subpixel area was covered with anti-blue light film.This structure is applicable not only to ultrahigh resolution and shown, and applies also for more
The liquid crystal display of primary colours function.
Fig. 7（a）、（b）Shown, this is that the 4th kind of multiple bases show structure, is arranged to black matrix obstacle in this structure
Square or circle form matrix pattern arrangement.Its color displays is red, green, blue and yellow or red, green, blue and white sub-pixel.Fig. 8（a）、（b）
Shown, this is that the 5th kind of multiple bases show structure, and black matrix obstacle is arranged into square or circular finished product in this structure
Font is arranged.The size of pixel can be reduced by the arrangement of such shape sub-pixel, shown to reach suitable for ultrahigh resolution
Show.Shown in Fig. 9, this is that the 6th kind of multiple bases show structure, and black matrix obstacle is arranged into hexagon or polygon in this structure
The three primary colours arrangement of shape.
The a variety of multiple bases arrangements more than, to realize purpose that ultrahigh resolution is shown.Surpass compared to present 8k
The equipment that high-resolution is shown, each of which pixel size are 282um*212um size.By this paper structure, by each picture
It is 90um to 210um that the size of element, which is reduced to the length of side,., simultaneously can be real by multiple bases in the case where reducing the size of pixel
Now higher colour gamut.Go for 4k, 8k and the display device of more than 8k ultrahigh resolutions.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (10)
- It is 1. a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, it is characterised in that：Including glass substrate, black Matrix barrier, quantum dot slurry, encapsulated layer, anti-blue light film layer, light modulation film layer；The black matrix barrier is by photoetching or is printed in Glass substrate upper surface, and various patterns arrangement can be arranged as required into, the quantum dot filled therewith is in the black square In battle array barrier corresponding color subpixel area, the encapsulated layer is used for quantum dot slurry package curing is corresponding in black matrix barrier In color sub-pixels region, the anti-blue light film layer, light modulation film layer are set in turn on the encapsulated layer from top to bottom；Utilize indigo plant The quantum dot of black matrix barrier corresponding color subpixel area, sends the monochromatic light of respective color described in light deexcitation, and passes through The anti-blue light film layer, light modulation film layer improve the purity that the black matrix barrier corresponding color subpixel area goes out light color, subtract Harass less, and the light to transmiting plays a part of front aligning outgoing, effectively improves positive emitting brightness.
- It is 2. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：Mode of the quantum dot filled therewith in corresponding sub-pixel position in the black matrix barrier be：Monochrome is measured Son point be dissolved in proportion including toluene, chlorobenzene, n-hexane, normal octane one or more solvents among, it is then uniformly mixed in proportion Close among ink or resin material, form monochromatic quantum dot slurry；Then, by including printing, printing or the technique of photoetching Monochromatic quantum dot slurry is transferred in the black matrix barrier corresponding color subpixel area respectively, and the black matrix barrier Corresponding blue subpixel areas is sky.
- It is 3. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The encapsulated layer uses the water proof oxygen barrier material for including transparent resin, photoresist or UV glue, by including printing, spraying The technique of ink printing, chromatography or spin coating is made；The water proof oxygen barrier material of the transparent resin, photoresist or UV glue is selected from Polymethyl methacrylate, organosiloxane resins, acrylate modified organic siliconresin, acrylic resin, acrylic acid Modified polyurethane and epoxy resin, photosensitive resin, epoxy acrylate, urethane acrylate, polyether acrylate, polyester third One or more of mixing in olefin(e) acid ester.
- It is 4. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The anti-blue light film layer position corresponds to the surface of non-blue subpixel areas, and size in the black matrix barrier Match, into array arrangement；Anti-blue light film layer is by coated film deposition or depends on the light modulation film layer lower surface, anti-blue light film layer Lower layer plane be Bragg reflector, anti-blue light overlay film or software, to reduce blue light strength.
- It is 5. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The light modulation film layer is planar lens, prism or convex lens structures, has guide-lighting and modulation light extraction light angle work( Energy.
- It is 6. according to claim 5 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The planar lens structural thicknesshFor 15um-50um, its substrate as anti-blue light film layer.
- It is 7. according to claim 5 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The prism structure thicknesshFor 15um-50um, its peak heightlFor 15um-20um, guide-lighting effect is played；Prism structure The angle a of upper drift angle is 10 degree to 90 degree, and the prism structure plays the effect of front optically focused.
- It is 8. according to claim 5 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The convex lens structures be convex microlens array structure and with a pair of black matrix barrier corresponding color subpixel area 1 Should, its radius of curvature is 7e-5 m to 10e-5 m, has convergence effect to positive light extraction, is harassed with reducing different colours light.
- It is 9. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：The arrangement mode of the black matrix barrier is to include the arrangement of rectangle array of sub-pixels, square sub-pixel ' Pin '-shaped Cloth, the arrangement of square sub-pixel matrix pattern, the Chinese character pin-shaped arrangement of circular sub-pixel, polygon of circular sub-pixel matrix pattern arrangement Pixel arrangement mode；The rectangle array of sub-pixels arrangement, sub-pixel Aspect Ratio are 3：1, its long wide scope is respectively 90um-210um and 30um-70um；The Chinese character pin-shaped arrangement of the square sub-pixel, the arrangement of square sub-pixel matrix pattern, sub- picture Its plain side size range is 30um-70um；The Chinese character pin-shaped arrangement of the circular sub-pixel, the arrangement of circular sub-pixel matrix pattern, its radius Scope is 15um-35um.
- It is 10. according to claim 1 a kind of suitable for multiple bases and the quantum dot color membrane structure of ultrahigh resolution, its feature It is：Black matrix barrier corresponding color subpixel area is applied to include red-green-blue arrangement display, red, green, blue and white or red Turquoise yellow multiple bases arrangement mode.
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| CN108873470A (en) * | 2018-06-25 | 2018-11-23 | 福州大学 | A kind of quantum stippling film backing structure |
| CN109256455A (en) * | 2018-09-19 | 2019-01-22 | 福州大学 | A kind of light efficiency extraction and the true color Micro-LED without pixel interference show structure and its manufacturing method |
| CN109256456A (en) * | 2018-09-19 | 2019-01-22 | 福州大学 | It is a kind of to realize that Micro-LED shows that light extraction efficiency promotes and harass the micro-structure and its manufacturing method of reduction |
| CN111048693A (en) * | 2019-12-06 | 2020-04-21 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot color film substrate and manufacturing method thereof |
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