CN106501995A - Optical film, light emitting device having the same, and display having the light emitting device - Google Patents
Optical film, light emitting device having the same, and display having the light emitting device Download PDFInfo
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- CN106501995A CN106501995A CN201610090167.0A CN201610090167A CN106501995A CN 106501995 A CN106501995 A CN 106501995A CN 201610090167 A CN201610090167 A CN 201610090167A CN 106501995 A CN106501995 A CN 106501995A
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- base material
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- coloured light
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- 239000012788 optical film Substances 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000009792 diffusion process Methods 0.000 claims abstract description 32
- 239000002096 quantum dot Substances 0.000 claims abstract description 29
- 238000004020 luminiscence type Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract 8
- 239000002245 particle Substances 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 3
- 239000011112 polyethylene naphthalate Substances 0.000 description 3
- 235000007926 Craterellus fallax Nutrition 0.000 description 2
- 240000007175 Datura inoxia Species 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
An optical film comprises a first substrate, a second substrate, a diffusion layer and a plurality of microstructures. The first substrate comprises a first surface and a light incident surface opposite to the first surface. The second substrate and the first substrate are arranged at intervals and comprise a second surface facing the first surface and a light-emitting surface opposite to the second surface. The diffusion layer is located between the first substrate and the second substrate and comprises a plurality of quantum dots. The microstructure is formed on the light incident surface of the first substrate. The first color light passes through the diffusion layer through the light inlet surface of the first base material and is emitted from the light outlet surface of the second base material, the quantum dots can be excited by the first color light to emit second color light with a wavelength larger than that of the first color light, and the first color light penetrates through the microstructures to change the light path of the first color light and excite more quantum dots in the diffusion layer through the microstructures, so that the purpose of wide color gamut is achieved. The invention also provides a light-emitting device with the optical film and a display with the light-emitting device.
Description
Technical field
The present invention relates to a kind of blooming, light-emitting device, and display, more particularly to a kind of
The blooming of colour gamut can be lifted, using the light-emitting device of the blooming, and using the light-emitting device
Display.
Background technology
Compared to existing organic fluorescence materials, quantum dot fluorescence material has
Rate, and the quantum dot fluorescence material of different materials or particle diameter is after excitation source irradiation is subject to, meeting
The exciting light of different wave length is sent, therefore, is paid much attention to by correlative technology field at present.
In general, by quantum dot fluorescence materials application when the backlight module of a display, main
If there is the light-emitting diodes body unit of solid color as excitation source through one, in order to excite
The quantum dot fluorescence material of different materials or particle diameter, and the light source of multiple different color lights is produced, then
Using different color light backlight of the mixed light as the backlight module of the display each other.Citing comes
Say, usually using blue light emitting diode as excitation source, to excite different materials or particle diameter
Quantum dot fluorescence material and produce ruddiness and green glow, then by ruddiness, green glow, and blue light with mixed
The mode of light forms white light using the backlight as the backlight module.
However, the white light that mixed light is produced in the foregoing manner, can be because the optical spectrum of white light be in continuous
Distribution, and overall excitation is reduced, that is to say, that with aforesaid backlight module application
When display, the color expression range (colour gamut) of the display can be caused to reduce, cause part
Actual color cannot be presented.Wherein, colour gamut (color gamut) is that the display institute can table
The range areas constituted by the number of colors for reaching, that is, its color gamut that can show, and
This color gamut is to be surrounded by red (R), green (G), blue (B) trichromatic coordinate on a chromaticity diagram
Triangle area, the area of triangle is bigger to represent the color that gamut range is wider, can show
Color also abundanter and more true.
It follows that the principal element for affecting the colour gamut presentation ability of the display is to depend on
The backlight sent by the backlight module.When the backlight module for being applied to the display can send height
The color more horn of plenty of display presentation during the backlight of colour gamut, can be just made, and can be presented
Closer to the color of object itself and in bright gay color；On the contrary, the backlight of low colour gamut can then make
The color is presented by the display produces deviation, and cannot show the actual face of object completely
Color.
Therefore, how to allow the backlight sent by the backlight module that there is high gamut range, and make
The display has excellent color representation, is those skilled in the art's problem to be solved.
Content of the invention
It is an object of the invention to provide a kind of blooming.
Blooming of the present invention, after the incident blooming of one first coloured light, can inspire a wavelength
More than the second coloured light of the wavelength of first coloured light, the blooming comprising the first base material, one
Individual second base material, one layer of diffusion layer, and multiple micro-structurals.
The first base material includes first face, and an incidence surface in contrast to first face.
Second base material and the first base material interval setting, and including one towards first face
Second face, and an exiting surface in contrast to second face.
The diffusion layer is located between the first base material and second base material, and including multiple quantum
Point.
The micro-structural is formed at the incidence surface of the first base material.
First coloured light can via the incidence surface of the first base material by diffusion layer, and by this second
The exiting surface of base material is projected, and first coloured light can excite the quantum dot to send second color
Light.
The blooming of the present invention, the micro-structural are also formed into the exiting surface of second base material.
The blooming of the present invention, the shape semicircular in shape of the micro-structural, taper, and irregularly
The one of which of shape.
The blooming of the present invention, the micro-structural is to protrude out away from the diffusion layer direction, and in partly
Circular lenticule.
The blooming of the present invention, the micro-structural is to protrude out away from the diffusion layer direction, and in cone
The lenticule of shape.
The blooming of the present invention, the micro-structural is to protrude out away from the diffusion layer direction, and in not
The lenticule of regular shape.
The present invention blooming, the micro-structural be close to connection, and the blooming also include many
Bottom chase of the bar around the micro-structural, bottom chase adjacent, parallel two-by-two have a burst of column pitch
W, and each micro-structural has a summit P for being located at geometric center, and one enters light by this
The aspect ratio of the height H of face to summit P, height H and array pitch W between
3%～60%.
The blooming of the present invention, each bottom chase have a radius of curvature R, the curvature half
Footpath R is between 1.0 μm～7.0 μm.
The blooming of the present invention, array pitch W is between 6.0 μm～60 μm.
The blooming of the present invention, the height H of each micro-structural is between 1.0～40 μm.
The blooming of the present invention, it is big that first coloured light can also excite the quantum dot to send a wavelength
In the three coloured light of the wavelength of second coloured light, first coloured light is blue light, and second coloured light is
Green glow, the three coloured light are ruddiness.
Another object of the present invention is to providing a kind of light-emitting device containing the blooming.
The light-emitting device of the present invention includes an aforesaid blooming, and a luminescence unit.
The luminescence unit is located at the incidence surface side of the first base material of the blooming, and can send
One the first coloured light, first coloured light can be entered by the first base material this via the micro-structural
Light face is incident to the diffusion layer, and is projected by the exiting surface of second base material, and first coloured light
The quantum dot can be excited to send the second coloured light of the wavelength more than the wavelength of first coloured light.
A further object of the present invention is to provide a kind of display containing the light-emitting device.
The display of the present invention includes an aforesaid light-emitting device, and a panel.
The panel is located at the exiting surface one of second base material of the blooming of the light-emitting device
Side, and optical effect is produced by the light sent by the light-emitting device and assumes a pre- fixing.
The beneficial effects of the present invention is：Arranged by the incidence surface in the first base material described micro-
Structure, makes first coloured light change its light path through the micro-structural and swash in the diffusion layer
The more quantum dot is sent out, and then the luminous intensity of the coloured light is more preferably equably divided
Cloth, to reach the purpose of wide colour gamut.
Description of the drawings
Fig. 1 is a schematic top plan view, and a first embodiment of blooming of the present invention is described；
Fig. 2 is the cross-sectional schematic acquired by the straight line II-II along Fig. 1, aids in illustrating this
The first embodiment of bright blooming；
Fig. 3 is a cross-sectional schematic, illustrates that the present invention has a light-emitting device of the blooming；
And
Fig. 4 be one regard schematic diagram, illustrate the present invention with the light-emitting device a display.
Specific embodiment
Fig. 1 and Fig. 2 is referred to, a first embodiment of blooming of the present invention 10 includes one first
2, one layer of the second base material of base material 1, be located at the first base material 1 and second base material 2 it
Between diffusion layer 3, and multiple micro-structurals for being formed at the first base material 1 and second base material 2
4.
The first base material 1 includes first face 11, and one in contrast to first face 11
Incidence surface 12.Second base material 2 and 1 interval setting of the first base material, and including a direction
Second face 21 in first face 11, and an exiting surface 22 in contrast to second face 21.
Wherein, the first base material 1 is to be made up of a pliability transparent material with second base material 2.
The pliability transparent material for being applied to the present embodiment can be PET
(polyethylene terephthalate, PET), PEN (polyethylene
Naphthalate, PEN), or Merlon (polycarbonate, PC), but not limited to this.
In the present embodiment, the first base material 1 is with poly terephthalic acid second two with second base material 2
Explain as a example by ester (PET).
The diffusion layer 3 is located at the of the first face 11 of the first base material 1 and second base material 2
Between two faces 21, and there are multiple quantum dots 31.The quantum dot 31 is a kind of nanocrystal
Semi-conducting material, the mainly semiconductor-quantum-point synthesized by II-VI or III-V,
After the irradiation for being subject to exciting light, and the secondary light ray different from exciting light can be sent.The amount
Son point 31 can pass through the selection of material or the adjustment of particle size, change and excited light irradiation
Emission wavelength afterwards, so that send the coloured light of different colours.It is noted that the diffusion layer 3
Preparation can be that first the quantum dot 31 is scattered in a colloidal system, recycle coating
Mode coats 21 any of which of first face 11 or the second face, forms a glued membrane, then may be used
Material depending on the quantum dot 31 chooses whether to be annealed, and can obtain the diffusion layer 3.By
Select in the preparation of the diffusion layer 3 and the material of the quantum dot 31 known in the art
Know, therefore no longer add to illustrate.
The micro-structural 4 is respectively close to be formed at the first base material 1 incidence surface 12 with connecting
And the exiting surface 22 of second base material 2, and the blooming 10 also include a plurality of around described micro-
The bottom chase 5 of structure 4.
Specifically, in the first embodiment, the micro-structural 4 is away from the incidence surface 12
And 22 direction of exiting surface protrudes out and the lenticule of semicircular in shape, in order to allowing light incident or
Refraction is produced when leaving the blooming 10 and is changed its light path and just may be used.It is noted that this
Though the micro-structural 4 of embodiment is for protruding the lenticule of semicircular in shape, because of the micro-structural
4 for connecting with being closely adjacent to each other, so the edge of each micro-structural 4 can be presented because abutting
Regular hexagon pattern as shown in the top view of Fig. 1, but each micro-structural 4 against row
Row mode is not limited to this, can also be rectangular array arrangement, can more be brokenly
Random number is distributed.
It is preferred that each micro-structural 4 has a summit P for being located at geometric center, and
One by the incidence surface 12 and the height H of the exiting surface 22 to summit P.The bottom chase 5
All there is a radius of curvature R, and bottom chase 5 adjacent, parallel two-by-two has a burst of column pitch W.
More preferably, in the present embodiment, the height H of each micro-structural 4 and the array
The aspect ratio of spacing W is between 3.0%～60%；Wherein, each micro-structural 4 should
Height H be between 1.0～40 μm, array pitch W between 6.0 μm～60 μm, the song
Rate radius R is then between 1.0 μm～7.0 μm.
One second embodiment of blooming of the present invention 10 is roughly the same with the first embodiment, its
Different places are that the micro-structural 4 is for protruding out and tapered lenticule and described micro- upwards
Structure 4 is also to connect with being closely adjacent to each other, so that the edge of the micro-structural 4 because abutting is in
Regular hexagon pattern, and the height H and array pitch W of each micro-structural 4
Aspect ratio is between 3.0%～60%；The radius of curvature R is between 1.0 μm～7.0 μm；This is every
The height H of one micro-structural 4 is between 1 μm～40 μm；Array pitch W between
6 μm～60 μm.
One 3rd embodiment of blooming of the present invention 10 is roughly the same with the first embodiment, its
Different places are that the micro-structural 4 is in difform lenticule for protruding out upwards, because
The micro-structural 4 is also to connect with being closely adjacent to each other, so that the edge of the micro-structural 4 is because tight
Lean on and be in regular hexagon pattern, therefore, the irregular shape described in the 3rd embodiment is directed to
Protrude out into the lenticule of different shape height, and the height H of each micro-structural 4 with should
The aspect ratio of array pitch W is between 3%～60%；The height of each micro-structural 4
H is between 1 μm～40 μm；Array pitch W is between 6 μm～60 μm.
Fig. 3 is ordinatedly referred to, and Fig. 3 is the blooming 10 and a luminescence unit 6 using the present invention
Collectively form a light-emitting device 7.It is noted that the blooming 10 can be first enforcement
The one of which of the example～3rd embodiment, the light in the light-emitting device 7 shown by Fig. 3
Learning film 10 is explained by taking the first embodiment as an example.The range of application of the light-emitting device 7 is simultaneously
It is not particularly limited, can be applicable to the association areas such as such as lighting apparatus or backlight module.
Specifically, the luminescence unit 6 is located at the one of the incidence surface 12 of the first base material 1
Side, and one first coloured light λ can be sent1, allow first coloured light λ1After being incident to the blooming 10,
A wavelength can be inspired more than first coloured light λ1Wavelength the second coloured light λ2(not shown).
First coloured light λ1After being sent by the luminescence unit 6, will be via the first base material 1
The micro-structural 4 reflect, then incident by the diffusion layer 3 by the incidence surface 12, and simultaneously
Excite the quantum dot 31 in the diffusion layer 3 and send second coloured light λ2, it is inspired
Second coloured light λ2Can be with first coloured light λ1After mixing mutually each other light, then by second base material 2
Exiting surface 22 project.
In detail, in the diffusion layer 3 of the blooming 10, generally have two or more not
With particle diameter or the quantum dot 31 of material, in order to first color for sending the luminescence unit 6
Light λ1The quantum dot 31 can be excited and produce different color light.The light-emitting device 7 of the invention
It is by taking the quantum dot 31 of two kinds of different-grain diameters as an example, so that first color in the diffusion layer 3
Light λ1Excite this two amounts point 31 and produce second coloured light λ2, and a wavelength more than this
Dichroscope λ2Three coloured light λ3(not shown), and then mix mutually each other light.
More specifically, the luminescence unit 6 of the invention can send the luminous of blue light comprising multiple
Diode (LED) as light emitting source, to make blue light as first coloured light λ1, and in the diffusion
Two kinds of quantum dots 31 that can be inspired green glow and ruddiness respectively by blue light used in layer 3, also
It is, first coloured light λ1, second coloured light λ2, and three coloured light λ3Respectively blue light,
Green glow, and ruddiness.In other words, each quantum dot is excited when blue light is incident in the diffusion layer 3
31 and when producing green glow and ruddiness, this three kinds of color light can mix mutually each other synthesize white light and by this
Exiting surface 22 goes out light.As the material selection of the luminescence unit 6 is institute with thin portion structure aspect
Well known to category those skilled in the art, and the non-technology emphasis for the present invention, therefore no longer add to repeat.
Herein it should be noted that, as the of the invention blooming 10 is provided with the micro-structural 4,
And further by allowing the micro-structural 4 that there is specific aspect ratio (H/W=3%～60%)
And allow the bottom chase 5 radius of curvature R between 1.0 μm～7.0 μm, so as to make this
First coloured light λ that luminescence unit 6 sends1Through the micro-structural 4 produce refraction with increase its
Light path in the diffusion layer 3, can excite the more quantum dot 31 and effectively be lifted
Green glow and the conversion efficiency of ruddiness.That is, by producing more green glows and ruddiness, and
Adjustable blue and green light, and the intensity of ruddiness three, and then expand blue and green light,
And ruddiness three primary colors are in the triangle area that surrounded of coordinate of chromatic diagram, so as to reach wide colour gamut
Purpose, without because one of which coloured light has stronger or weaker luminous intensity, and making which
The white light for mixing assumes the situation that color produces deviation.Additionally, arranging in second base material 2
The micro-structural 4, moreover it is possible to make its mixed light effectively reduce going out light generation by 22 surface of exiting surface
Total reflection phenomenon, so as to lift overall light extraction yield.
Fig. 4 is referred to, when the light-emitting device 7 of the invention is applied to backlight module, and can be with one
Panel 81 collectively forms a display 8.The panel 81 is located at the optics of the light-emitting device 7
22 side of exiting surface of second base material 2 of film 10, and sent out by the light-emitting device 7
The light for going out produces optical effect and assumes a pre- fixing.The panel 81 includes Polarizer, liquid
The structures such as crystalline substance, alignment film, colored filter, due to thin portion structure and the material of the panel 81
From well known to art person, and can be realized according to prior art, in this no longer
Add to repeat.The display 8 will pass through the setting of the light-emitting device 1 and effectively lift colour gamut
Scope, and then high-quality color effect is realized, so as to 8 institute of display of wide colour gamut should be had
The color for presenting more horn of plenty, bright-coloured, and the visual experience of user can be substantially improved.
In sum, incidence surface of the present invention by the first base material 1 in the blooming 10
12 arrange the micro-structural 4, and collectively form a light-emitting device 7 with a luminescence unit 6, make
First coloured light λ that the luminescence unit 6 sends1Change its incidence through the micro-structural 4
Light path, and then excite the more quantum dot 31 in the diffusion layer 3, makes blue light, green
Light, and the white light that mutually blendes together of ruddiness reaches wide colour gamut, and be formed at second base material 2 go out light
The micro-structural 4 in face 22 can reduce the total reflection phenomenon for being gone out light generation by the exiting surface 22；
The light-emitting device 7 can not only meet the market demand and lift economic worth, moreover it is possible to be applied to
On the backlight module of Lighting Industry and display, the display 8 with the light-emitting device 7 is enable
The color effect of higher quality is realized, consumer demand is met, with the scale that promotes and open up a market,
The purpose of the present invention can be reached really.
Claims (13)
1. a kind of blooming, after the incident blooming of one first coloured light, can inspire one
Second coloured light of the wavelength more than the wavelength of first coloured light, the blooming include：One first
Base material, the second base material, one layer of diffusion layer, and multiple micro-structurals；It is characterized in that：
The first base material includes first face, and an incidence surface in contrast to first face, should
Second base material and the first base material interval setting, and including one towards the second of first face
Face, and an exiting surface in contrast to second face, the diffusion layer be located at the first base material with
Between second base material, and including multiple quantum dots, the micro-structural is formed at first base
The incidence surface of material, first coloured light can pass through the diffusion layer via the incidence surface of the first base material,
And projected by the exiting surface of second base material, and first coloured light can excite the quantum dot to send out
Go out second coloured light.
2. blooming according to claim 1, it is characterised in that：The micro-structural
It is also formed into the exiting surface of second base material.
3. blooming according to claim 1 and 2, it is characterised in that：Described micro-
The shape semicircular in shape of structure, taper, and difform one of which.
4. blooming according to claim 3, it is characterised in that：The micro-structural
It is to protrude out away from the diffusion layer direction, and the lenticule of semicircular in shape.
5. blooming according to claim 3, it is characterised in that：The micro-structural
It is to protrude out away from the diffusion layer direction, and tapered lenticule.
6. blooming according to claim 3, it is characterised in that：The micro-structural
It is to protrude out away from the diffusion layer direction, and is in difform lenticule.
7. blooming according to claim 3, it is characterised in that：The micro-structural
It is that and the blooming also includes a plurality of bottom chase around the micro-structural close to connection, two
Two adjacent, parallel bottom chases have a burst of column pitch W, and each micro-structural has one
Be located at geometric center summit P, and one by the incidence surface to summit P height H, should
The aspect ratio of height H and array pitch W is between 3%～60%.
8. blooming according to claim 7, it is characterised in that：Each bottom
Chase has a radius of curvature R, and the radius of curvature R is between 1.0 μm～7.0 μm.
9. blooming according to claim 8, it is characterised in that：The array pitch
W is between 6.0 μm～60 μm.
10. blooming according to claim 9, it is characterised in that：This each micro-
The height H of structure is between 1.0～40 μm.
11. bloomings according to claim 1, it is characterised in that：First coloured light
The quantum dot can also be excited to send the 3rd color of the wavelength more than the wavelength of second coloured light
Light, first coloured light are blue light, and second coloured light is green glow, and the three coloured light is ruddiness.
A kind of 12. light-emitting devices, comprising：One blooming as claimed in claim 1,
And a luminescence unit；It is characterized in that：The luminescence unit be located at the blooming this first
The incidence surface side of base material, and one first coloured light can be sent, first coloured light can be via described
Micro-structural and the diffusion layer is incident to by the incidence surface of the first base material, and by second base material
Exiting surface project, and first coloured light can excite the quantum dot send a wavelength more than should
Second coloured light of the wavelength of the first coloured light.
A kind of 13. displays, comprising：One light-emitting device as claimed in claim 12,
And a panel；It is characterized in that：The panel is located at being somebody's turn to do for the blooming of the light-emitting device
The exiting surface side of the second base material, and the light sent by the light-emitting device produces optics effect
Really assume a pre- fixing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104129108A TWI726849B (en) | 2015-09-03 | 2015-09-03 | Optical film, light-emitting device having the optical film, and display having the light-emitting device |
| TW104129108 | 2015-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106501995A true CN106501995A (en) | 2017-03-15 |
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ID=58287252
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610090167.0A Pending CN106501995A (en) | 2015-09-03 | 2016-02-18 | Optical film, light emitting device having the same, and display having the light emitting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106501995A (en) |
| TW (1) | TWI726849B (en) |
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| CN111094839A (en) * | 2017-09-27 | 2020-05-01 | Zkw集团有限责任公司 | Motor vehicle lighting device with a miniature lens system having a subdivided miniature entrance lens |
| US11137246B2 (en) * | 2019-01-31 | 2021-10-05 | Himax Technologies Limited | Optical device |
| WO2023083146A1 (en) * | 2021-11-09 | 2023-05-19 | 广东粤港澳大湾区国家纳米科技创新研究院 | Quantum dot integrated board, method for preparing same, and display apparatus comprising same |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI726849B (en) | 2021-05-11 |
| TW201710758A (en) | 2017-03-16 |
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