CN106501888A - Optical film, and light-emitting device and display containing same - Google Patents
Optical film, and light-emitting device and display containing same Download PDFInfo
- Publication number
- CN106501888A CN106501888A CN201610090037.7A CN201610090037A CN106501888A CN 106501888 A CN106501888 A CN 106501888A CN 201610090037 A CN201610090037 A CN 201610090037A CN 106501888 A CN106501888 A CN 106501888A
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- Prior art keywords
- light
- base material
- blooming
- emitting device
- coloured light
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- 239000012788 optical film Substances 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000002096 quantum dot Substances 0.000 claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000470 constituent Substances 0.000 claims description 9
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 229940119177 germanium dioxide Drugs 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 2
- -1 polypropylene Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 3
- 239000011112 polyethylene naphthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 235000007926 Craterellus fallax Nutrition 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 240000007175 Datura inoxia Species 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
Abstract
An optical film, a light-emitting device and a display containing the optical film are provided, wherein the optical film comprises a first substrate, a second substrate and a scattering layer, the scattering layer comprises a plurality of quantum dots and a plurality of scattering particles, and the quantum dots can emit second color light with a wavelength larger than that of the first color light after being excited by the first color light. The light-emitting device comprises the optical film and a light-emitting module, wherein the light-emitting module is positioned on one side of the first base material and can emit the first color light, the first color light enters the scattering layer and excites the quantum dots to emit the second color light, and the light with different colors is emitted by the second base material after being mixed. The display comprises the light-emitting device and a panel, wherein the panel is positioned at one side of the light-emitting device and generates an optical effect by means of light emitted by the light-emitting device so as to present an image. The optical film promotes the light path of the first colored light on the scattering layer by means of scattering particles, and excites more quantum dots to achieve the purpose of wide color gamut.
Description
Technical field
The present invention relates to a kind of blooming and light-emitting device and display containing the blooming, special
It is not to be related to a kind of blooming that can lift colour gamut and containing the blooming and with wide colour gamut
Light-emitting device and display.
Background technology
Existing light emitting diode (light emitting diode, LED) light-emitting device produces white light
One way in which be by the use of quantum dot (quantum dots) as the luminous of light emitting diode
Layer, the quantum dot by different materials or particle diameter are irradiated by excitation source, are sent and are different from swashing
The secondary light ray back mixing light of the wavelength of light emitting source and obtain.For example, be mostly using blue light as
Excitation source, and the quanta point material of different-grain diameter is excited to produce ruddiness and green glow, then just
Ruddiness, green glow, and blue light can be formed white light in the way of mixed light.
However, the existing illumination mode for producing white light with blue light or ultraviolet excitation, which is present
The disadvantage is that, the optical spectrum of white light assumes continuous distributed, thus overall colour purity can be caused
Degree reduces, when the LED illuminating device to be applied to a display as backlight
When, the color expression range (colour gamut) of the display will be caused to reduce, the actual color in part
Cannot present.Also, colour gamut (color gamut) is the number of colors that the display can be expressed
The range areas for being constituted, that is, its color gamut that can show, and this color gamut is
The triangle area surrounded by the coordinate of red (R), green (G), blue (B) three kinds of pure colors, triangle
Area bigger represent that gamut range is wider, the performance of wider display its color of colour gamut is more
Abundant also more true.
In other words, affect the display color gamut to assume one of principal element of ability to be to carry on the back
The selection of light source, the backlight of high colour gamut, the color is presented by the display can more horn of plenty,
Can closer to object itself color and in bright gay color, the backlight of low colour gamut, then can make this show
Show that the color is presented by device produces deviation, and the actual color of object cannot be shown completely.?
That is, the quality of display color gamut can directly affect judgement of the human eye to object color,
Therefore, for the angle of user, the display of wide colour gamut all has height all the time
The market demand.
For these reasons, a kind of blooming that can lift colour gamut is further developed or designs, and
It is applied to light-emitting device and display, makes the display that there is excellent color representation, with
Meet the market demand, and then lift economic worth, be the important goal for present invention research improvement.
Content of the invention
It is an object of the invention to provide a kind of blooming.
Blooming of the present invention includes the first base material, second base material, and one layer of scattering layer.
Second base material is relative with the first base material interval, the scattering layer be located at the first base material with this
Between two base materials, and containing several quantum dots and several scattering particles, the quantum dot is in acceptance one
After individual first coloured light is excited, second color of the wavelength more than the wavelength of first coloured light is sent
Light.
It is preferred that aforementioned optical film, first coloured light can also excite the quantum dot to send one
Three coloured light of the wavelength more than the wavelength of first coloured light, first coloured light is blue light, and this second
Coloured light is ruddiness with the one of which of the three coloured light, and another one is green glow.
It is preferred that aforementioned optical film, the particle diameter of the quantum dot is between 1nm to 50nm, institute
The particle diameter of scattering particles is stated between 1nm to 10 μm.
It is preferred that aforementioned optical film, each scattering particles has and is coated on its surface extremely
Few layer of gel layer, and the constituent material of the gel layer is selected from polymethyl methacrylate, silica
Resin, urethane, polyurethane rubber, polypropylene, or an aforesaid combination.
It is preferred that aforementioned optical film, the constituent material of the scattering particles selected from silica,
Titanium dioxide, germanium dioxide, zirconium dioxide, alundum (Al2O3), or an aforesaid combination.
It is preferred that aforementioned optical film, the first base material has first face of contrary with one
Incidence surface, and several the first micro-structurals positioned at the incidence surface, second base material have a court
The second face, an exiting surface in contrast to second face to first face, and several positioned at this
Second micro-structural of exiting surface, and the scattering layer is positioned between first face and second face;This
A shade passes through the scattering layer, and going out by second base material via the incidence surface of the first base material
Project in light face.
It is preferred that aforementioned optical film, the shape of first micro-structural and second micro-structural
For taper, semicircle, regular hexagon, irregular concaveconvex structure, or an aforesaid combination.
It is preferred that aforementioned optical film, the height that first micro-structural protrudes from the incidence surface is
5 μm to 25 μm, it is 1 μm to 20 that second micro-structural protrudes from the height of the exiting surface
μm.
Another object of the present invention is to providing a kind of light-emitting device containing the blooming.
Light-emitting device of the present invention includes an aforesaid blooming, and a light emitting module.This
Optical module is located at the side of the first base material, and sends first coloured light, first coloured light via
The first base material enters the scattering layer, and excite the quantum dot send the wavelength more than this first
Second coloured light of the wavelength of coloured light, the white light are projected by second base material after mixed light.
A further object of the present invention is to provide a kind of display containing the light-emitting device.
Inventive display includes an aforesaid light-emitting device, and a panel.The panel position
In the side of the blooming of the light-emitting device, and the light sent by the light-emitting device produces light
Learn effect and assume image.
The beneficial effect of the present invention is:A kind of novel blooming is provided, contains the optics
The light-emitting device of film, and the display containing the light-emitting device, the blooming is by the scattering
Particle lifts first coloured light in the light path of the scattering layer, and increases the quantum dot and be excited
Probability, and then the luminous intensity of the white light is more preferably evenly distributed, is contained with making
The light-emitting device of the blooming and the display containing the light-emitting device can reach wide colour gamut
Purpose.
Description of the drawings
Fig. 1 is a sectional view, and a first embodiment of light-emitting device of the present invention is described;
Fig. 2 is a sectional view, and a second embodiment of light-emitting device of the present invention is described;
Fig. 3 is a top view, illustrate the of the invention second embodiment blooming wherein one
Plant aspect;
Fig. 4 is a sectional view, and the display containing the light-emitting device of the invention is described.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
Fig. 1 is referred to, a first embodiment of light-emitting device of the present invention 1 includes a blooming
2, and a light emitting module 3.The first embodiment of the invention is mainly by the blooming 2
Setting and reach the purpose of wide colour gamut.
The blooming 2 includes that a first base material 21, is spaced phase with the first base material 21
To the second base material 22, and one layer be located between the first base material 21 and second base material 22 dissipate
Penetrate layer 23.
The first base material 21 has contrary first face 211 and an incidence surface 212, should
Second base material 22 has 221, one, second face towards first face 211 in contrast to this
The exiting surface 222 in the second face 221.The first base material 21 is with second base material 22 by macromolecule
Material is constituted, and constituent material can be identical or different, it is preferred that the first base material 21
PET is selected from the constituent material of second base material 22
(polyethylene terephthalate, PET), cyclic olefin copolymerized macromolecule (cyclo olefin
(co)-polymers, COC), pi (polyimide, PI), polyethersulfone resin
(polyestersulfone, PES), PEN (polyethylene
Naphthalate, PEN), Merlon (polycarbonate, PC), or aforesaid one combination.
The scattering layer 23 is located between first face 211 and second face 221, and containing several
Quantum dot 231 and several scattering particles 232, the quantum dot 231 is in one the first color of acceptance
After light is excited, second coloured light of the wavelength more than the wavelength of first coloured light can be sent.
In detail, the quantum dot 231 is a kind of nanocrystalline semiconductor material, mainly
Semiconductor-quantum-point synthesized by II-VI or III-V, can be in by exciting light
After irradiation, the secondary light ray different from exciting light is sent, and the quantum dot 231 can be by material
The selection of material or the adjustment of particle size, change and are subject to the emission wavelength after exciting light irradiation, from
And send the coloured light with exciting light different colours.The scattering particles 232 substantially evenly disperses
In the scattering layer 23, can allow by the scattering particles 232 and enter being somebody's turn to do for the scattering layer 23
First coloured light produces multiple reflection and scattering when the scattering particles 232 is contacted, and increases
First coloured light in the light path of the scattering layer 23, to lift quantum dot 231 described in photon collision
Probability, and then increase the intensity of the secondary light ray sent after the quantum dot 231 is stimulated.
The present embodiment is the size controlling using the quantum dot 231, to make first coloured light swash
Send out quantum dot 231 described and wavelength is sent more than the second coloured light of the wavelength of first coloured light and the
Three coloured light, and first coloured light is the one of which of blue light, second coloured light and the three coloured light
For ruddiness, another one is green glow, just can make which via sending out white light after mixed light.Especially
Ground is that the present invention also further increases by first coloured light (blue light) by the scattering particles 232
In the light path of the scattering layer 23, to lift touching for first coloured light and the quantum dot 231
Collide rate, and increases the intensity of second coloured light and the three coloured light (ruddiness and green glow), therefore,
Can effectively lift the conversion efficiency of second coloured light and three coloured light, so expand red, green,
The triangle area surrounded by the coordinate of blue three kinds of pure colors, reaches the purpose of wide colour gamut.
In the present embodiment, the particle diameter of the quantum dot 231 between 1nm to 50nm, and compared with
Goodly, the particle diameter of the quantum dot 231 is between 2nm to 15nm.The scattering particles
232 particle diameter is between 1nm to 10 μm, and constituent material is selected from silica (SiO2)、
Titanium dioxide (TiO2), germanium dioxide (GeO2), zirconium dioxide (ZrO2), alundum (Al2O3)
(Al2O3), or an aforesaid combination.
Herein it is noted that aforementioned scatter particle 232 is through the refractive index with surrounding material
Difference and produce disposable scattering properties, the amount that such as adds is too high, then can produce light transmission
The problem of rate rapid drawdown.Therefore, can be by the way of the micro- bag method of gel, i.e., each scattering in this
The Surface coating at least one of which gel layer (not shown) of particle 232, just can pass through the gel layer
Cladding produces the variations in refractive index of gradual change type, it is preferred that the constituent material of the gel layer is selected from
Polymethyl methacrylate (polymethylmethacrylate, PMMA), silica resin
(silicone), urethane (urethane), polyurethane rubber (poly urethane), poly- third
Alkene (polypropylene, PP), or an aforesaid combination.Due to the scattering particles 232 saturating
The variations in refractive index that the gel layer produces gradual change type is crossed, so as to the effect of the effective deviation of light can be improved
Rate simultaneously increases the path of the equivalent traveling of light, to lift light conversion efficiency, and reduces exciting light because of one
The low characteristic of light extraction efficiency produced by secondary property scattering particles.
Additionally, it should also be noted that the scattering particles 232 and the institute for being coated with the gel layer
State scattering particles 232 except can individually using in addition to, also can the two simultaneously arrange in pairs or groups and use.
The light emitting module 3 is located at the side of the first base material 21, and can send first coloured light,
First coloured light enters the scattering layer 23 via the incidence surface 212 of the first base material 21, and swashs
Send out quantum dot 231 described and send second coloured light and the 3rd color of wavelength more than first coloured light
Light, the white light are projected by the exiting surface 222 of second base material 22 after mixed light.This
Optical module 3 by the use of existing light emitting diode as light source, and can select institute according to actual demand
The coloured light to be sent, in the present embodiment, the light emitting module 3 is done with blue light-emitting diode
For light source, and the blue light that the blue light-emitting diode sends is first coloured light.Due to this
The material selection of optical module 3 is well known to art person and non-with thin portion structure aspect
For the technology emphasis of the present invention, therefore no longer add to repeat.
It is described that the first embodiment of the invention utilizes first coloured light (blue light) of shorter wavelength to excite
Quantum dot 231 produces longer wavelengths of second coloured light and the three coloured light (ruddiness and green glow),
And then the mode by mixed light forms white light, is finally sent out by the exiting surface 222.Additionally,
The first embodiment can effectively increase by first color due to the setting of the scattering particles 232
Light excites the probability of the quantum dot 231, and lifts second coloured light and three coloured light (ruddiness
With green glow) intensity, and then cause the white light that sends of the light-emitting device 1 because this is red, green glow quilt
Supply and lifted, reach the purpose of wide colour gamut.
As the of the invention blooming 2 can have different structure change aspects, therefore, continue with
Following embodiments illustrate another kind of structure aspect of the blooming 2.
Fig. 2 is referred to, Fig. 2 show a second embodiment of the light-emitting device 1 of the invention,
The light emitting module 3 is omitted in the drafting of Fig. 2, only represents the blooming 2, the present invention this second
Embodiment is roughly the same with the first embodiment, is where its difference, the blooming 2
The first base material 21 also has several the first micro-structurals 213 positioned at the incidence surface 212, and this second
Base material 22 also has several the second micro-structurals 223 positioned at the exiting surface 222.
The constituent material of first micro-structural 213 and the second micro-structural 223 is selected from poly- methyl-prop
E pioic acid methyl ester (acryl), polyurethane (polyurethane, PU), silica resin (silicone),
Or an aforesaid combination.And its shape can be identical or different, it is preferred that first micro- knot
The shape of structure 213 and the second micro-structural 223 can for taper, semicircle, regular hexagon, do not advise
Concaveconvex structure then, or an aforesaid combination.Additionally, first micro-structural 213 is protruded from
The height of the incidence surface 212 is 5 μm to 25 μm, and second micro-structural 223 is protruded from
The height of the exiting surface 222 is 1 μm to 20 μm.
In the present embodiment, it is with first micro-structural 213 and the shape of the second micro-structural 223
Shape is all as a example by regular hexagon to explain.Coordinate and refer to Fig. 3, specifically, described first
Micro-structural 213 and the second micro-structural 223 are respectively provided with several close-packed arrays and from the incidence surface
212 and the exiting surface 222 project upwards and the lenticule 24 in regular hexagon, and several surround
The groove 25 of the lenticule 24.
The second embodiment of the invention is by first micro-structural 213 and the second micro-structural 223
Shape or height control, carry out optically focused or make light source dispersed, and can make entrance the light
The light of film 2 produces many when first micro-structural 213 and the second micro-structural 223 is contacted
Secondary refraction and reflection and increase light path so that the light-emitting device 1 containing the blooming 2
In addition to it can reach the purpose of wide colour gamut, the effect of blast and diffusion is also had concurrently.
Fig. 4, the first embodiment of the invention and the light-emitting device 1 of second embodiment is referred to, is removed
Can be applicable to outside lighting apparatus and association area, also apply be applicable to a display, as this
The backlight of display.A display 4 containing the light-emitting device 1 is shown in Fig. 4,
The display 4 includes a light-emitting device 1 such as the first embodiment, and a panel 41,
The panel 41 is located at the side of the blooming 2 of the light-emitting device 1, and by the light-emitting device 1
The light for being sent produces optical effect and assumes image.The panel 41 include Polarizer, liquid crystal,
The structures such as alignment film, colored filter, due to thin portion structure and the material selection of the panel 41
Well known to art person, and can be realized according to prior art, no longer be added in this
Repeat.The display 4 effectively lifts gamut range by the setting of the light-emitting device 1,
And then realize high-quality color effect, so that the display 4 that should have wide colour gamut is presented
Color more horn of plenty, bright-coloured, and the visual experience of user can be substantially improved.
In sum, the blooming 2 of the invention is made due to the interpolation of the scattering particles 232
Obtaining the first coloured light sent by the light emitting module 3 is carried out instead via the scattering particles 232
Penetrate, and extend in the scattering layer 23 residence time and effectively increase by second coloured light with
The intensity of three coloured light so that the luminous intensity of the white light more preferably can be evenly distributed.Additionally,
The blooming 2 can also by the setting of first micro-structural 213 and the second micro-structural 223,
Carry out optically focused or be uniformly dispersed light source.Utilization of the present invention by the blooming 2, so as to
One kind can be provided and have high colour gamut, high brightness, and the light-emitting device 1 of high evenness concurrently, can not only
Meet the market demand and lift economic worth, moreover it is possible to be applied to Lighting Industry with display
On backlight module, the display 4 containing the light-emitting device 1 is enable to realize higher-quality color
Effect, meets consumer demand, with the scale that promotes and open up a market, can reach really the present invention
Purpose.
Claims (10)
1. a kind of blooming, comprising:One the first base material, between one and the first base material
Second base material of compartment pair, and one layer of scattering layer, it is characterised in that:The scattering layer is located at should
Between the first base material and second base material, and containing several quantum dots and several scattering particles, institute
Quantum dot is stated after one the first coloured light of acceptance is excited, and a wavelength is sent more than first color
Second coloured light of the wavelength of light.
2. blooming as claimed in claim 1, it is characterised in that:First coloured light is also
The quantum dot can be excited to send the 3rd color of the wavelength more than the wavelength of first coloured light
Light, first coloured light are blue light, and second coloured light is red with the one of which of the three coloured light
Light, another one are green glow.
3. blooming as claimed in claim 1, it is characterised in that:The quantum dot
, between 1nm to 50nm, the particle diameter of the scattering particles is between 1nm to 10 μm for particle diameter.
4. blooming as claimed in claim 1, it is characterised in that:Each scattering
Particle has at least one of which gel layer for being coated on its surface, and the constituent material of the gel layer
Selected from polymethyl methacrylate, silica resin, urethane, polyurethane rubber, poly-
Propylene, or an aforesaid combination.
5. blooming as claimed in claim 1, it is characterised in that:The scattering particles
Constituent material be selected from silica, titanium dioxide, germanium dioxide, zirconium dioxide, three oxygen
Change two aluminium, or an aforesaid combination.
6. blooming as claimed in claim 1, it is characterised in that:The first base material tool
There are first face of contrary and an incidence surface, and several positioned at the first micro- of the incidence surface
Structure, second base material has second face towards first face, one in contrast to this
The exiting surface in the second face, and several the second micro-structurals positioned at the exiting surface, and the scattering layer
It is located between first face and second face;Incidence surface of first coloured light via the first base material
By the scattering layer, and projected by the exiting surface of second base material.
7. blooming as claimed in claim 6, it is characterised in that:First micro- knot
Structure and second micro-structural are shaped as taper, semicircle, regular hexagon, irregular
Concaveconvex structure, or an aforesaid combination.
8. blooming as claimed in claim 6, it is characterised in that:First micro- knot
It is 5 μm to 25 μm that structure protrudes from the height of the incidence surface, and second micro-structural is protruded from
The height of the exiting surface is 1 μm to 20 μm.
9. a kind of light-emitting device, comprising:One as described in any one of claim 1 to 8
Blooming, an and light emitting module, it is characterised in that:The light emitting module be located at this first
The side of base material, and first coloured light is sent, first coloured light is entered via the first base material
The scattering layer, and excite the quantum dot to send the wavelength more than the wavelength of first coloured light
Second coloured light, the white light are projected by second base material after mixed light.
10. a kind of display, comprising:One light-emitting device as claimed in claim 9;
And a panel, it is characterised in that:The panel is located at the side of the blooming of the light-emitting device,
And the light sent by the light-emitting device produces optical effect and assumes image.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW104129106 | 2015-09-03 | ||
TW104129106A TWI705897B (en) | 2015-09-03 | 2015-09-03 | Optical film, and light-emitting device and display containing the optical film |
Publications (2)
Publication Number | Publication Date |
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CN106501888A true CN106501888A (en) | 2017-03-15 |
CN106501888B CN106501888B (en) | 2020-11-17 |
Family
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CN201610090037.7A Active CN106501888B (en) | 2015-09-03 | 2016-02-18 | Optical film, and light-emitting device and display containing same |
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TW (1) | TWI705897B (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108387957A (en) * | 2018-02-27 | 2018-08-10 | 宁波激智科技股份有限公司 | A kind of high quantum dot diffusion barrier and its preparation method and application for covering high briliancy |
CN110133850A (en) * | 2018-02-02 | 2019-08-16 | 林清富 | Head up display, light-emitting film and its preparation method |
CN111435183A (en) * | 2019-05-24 | 2020-07-21 | 宁波激智科技股份有限公司 | Interlayer dimming sheet and preparation method thereof |
CN111808603A (en) * | 2020-07-13 | 2020-10-23 | Tcl华星光电技术有限公司 | Quantum dot film, preparation method thereof and display device |
CN112051685A (en) * | 2019-06-05 | 2020-12-08 | 睿亚光电股份有限公司 | Optical element |
CN113362702A (en) * | 2021-06-28 | 2021-09-07 | 武汉华星光电技术有限公司 | Brightness enhancement film, preparation method thereof, backlight module and display device |
CN113625491A (en) * | 2021-09-16 | 2021-11-09 | 合肥福纳科技有限公司 | Quantum dot light conversion and light diffusion composite membrane and backlight module |
CN113793891A (en) * | 2021-09-15 | 2021-12-14 | 合肥福纳科技有限公司 | Composite diaphragm, backlight module and display device |
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CN110133850A (en) * | 2018-02-02 | 2019-08-16 | 林清富 | Head up display, light-emitting film and its preparation method |
CN108387957A (en) * | 2018-02-27 | 2018-08-10 | 宁波激智科技股份有限公司 | A kind of high quantum dot diffusion barrier and its preparation method and application for covering high briliancy |
CN111435183A (en) * | 2019-05-24 | 2020-07-21 | 宁波激智科技股份有限公司 | Interlayer dimming sheet and preparation method thereof |
CN112051685A (en) * | 2019-06-05 | 2020-12-08 | 睿亚光电股份有限公司 | Optical element |
CN111808603A (en) * | 2020-07-13 | 2020-10-23 | Tcl华星光电技术有限公司 | Quantum dot film, preparation method thereof and display device |
CN113362702A (en) * | 2021-06-28 | 2021-09-07 | 武汉华星光电技术有限公司 | Brightness enhancement film, preparation method thereof, backlight module and display device |
CN113793891A (en) * | 2021-09-15 | 2021-12-14 | 合肥福纳科技有限公司 | Composite diaphragm, backlight module and display device |
CN113625491A (en) * | 2021-09-16 | 2021-11-09 | 合肥福纳科技有限公司 | Quantum dot light conversion and light diffusion composite membrane and backlight module |
CN114019721A (en) * | 2021-11-03 | 2022-02-08 | 惠州视维新技术有限公司 | Diffusion plate, backlight module and display device |
CN114755861A (en) * | 2022-06-15 | 2022-07-15 | 广东欧迪明光电科技股份有限公司 | High-efficiency quantum dot optical substrate and preparation method thereof |
CN114755861B (en) * | 2022-06-15 | 2023-01-06 | 广东欧迪明光电科技股份有限公司 | High-efficiency quantum dot optical substrate and preparation method thereof |
Also Published As
Publication number | Publication date |
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TW201710095A (en) | 2017-03-16 |
TWI705897B (en) | 2020-10-01 |
CN106501888B (en) | 2020-11-17 |
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