CN209150152U - A kind of composite fluorescent film improving blue light utilization rate - Google Patents
A kind of composite fluorescent film improving blue light utilization rate Download PDFInfo
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- CN209150152U CN209150152U CN201821891400.6U CN201821891400U CN209150152U CN 209150152 U CN209150152 U CN 209150152U CN 201821891400 U CN201821891400 U CN 201821891400U CN 209150152 U CN209150152 U CN 209150152U
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- blue light
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Abstract
The utility model discloses a kind of composite fluorescent films for improving blue light utilization rate, including quantum dot brightness enhancement layer, it further include dual brightness enhancement layer, adhesive layer, the dual brightness enhancement layer is connect by the adhesive layer with the quantum dot brightness enhancement layer, the quantum dot brightness enhancement layer includes release layer, microprism layer, microprism layer upper surface is connect with the adhesive layer, and microprism layer lower surface is connect with the release layer.The utility model is greatly improved display brightness, the non-penetrating direction polar biased light in backlight Central Plains is partially converted into penetration direction polar biased light using dual brightness enhancement layer simultaneously, to further improve display brightness, it is greatly improved blue light utilization rate simultaneously, improve the brightness of blue light, the white light that feux rouges and green light are mixed to form, quantum dot dosage can be effectively reduced under identical white point coordinates, promote color saturation.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of composite fluorescent films for improving blue light utilization rate.
Background technique
With the continuous development of display technology, people are also higher and higher to the display quality requirement of display device.By quantum
Point is prepared into quantum dot film can contribute to be promoted the color effect of display device applied to backlight display.Traditional diaphragm
Manufacturer reaches the optical effect of high colour gamut, high brightness by the way that by quantum dot film, brightness enhancement film is arranged in pairs or groups together.
Quantum dot TV using blue-ray LED as backlight, by the way that quantum dot red, green in quantum dot diaphragm is swashed
Hair, collocation generates white light, therefore how more effectively to be had important practical significance using blue light backlight.However existing quantum dot
Launching efficiency it is lower, the blue light of part directive quantum dot is difficult to be excited, and causes blue light utilization rate lower, therefore quantum dot film
It is converted into that feux rouges, the amount light of green light are less, and the brightness for the white light for causing blue light, feux rouges and green light to be mixed to form is lower.
Summary of the invention
The utility model for launching efficiency existing in the prior art it is lower, the blue light of part directive quantum dot be difficult to by
Excitation, causes blue light utilization rate lower, therefore to be converted into feux rouges, the amount light of green light less for quantum dot film, leads to blue light, feux rouges
The defects of brightness for the white light being mixed to form with green light is lower, the fluorescence for providing a kind of new raising blue light utilization rate are compound
Film.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of composite fluorescent film improving blue light utilization rate, including quantum dot brightness enhancement layer, further include dual brightness enhancement
Layer, adhesive layer, the dual brightness enhancement layer are connect by the adhesive layer with the quantum dot brightness enhancement layer, the amount
Son point brightness enhancement layer includes release layer, microprism layer, and microprism layer upper surface is connect with the adhesive layer, the microprism
Layer lower surface is connect with the release layer.
Being provided with adhesive layer is the benefit in order to combine dual brightness enhancement layer, quantum dot brightness enhancement layer and form composite membrane
With the microprism layer structure in quantum dot brightness enhancement layer by backlight light to center convergence, so that it is bright to be greatly improved display
Degree, while the non-penetrating direction polar biased light in backlight Central Plains is partially converted into penetration direction polar biased using dual brightness enhancement layer
Light, to further improve display brightness.
At the same time, the non-penetrating direction polar biased light in backlight Central Plains is partially converted into dual brightness enhancement layer and is penetrated
During the polar biased light of direction, some blue light iterates through quantum dot brightness enhancement layer and is constantly converted into green light and feux rouges in backlight,
It is not only greatly improved blue light utilization rate, improves the brightness of blue light, the white light that feux rouges and green light are mixed to form, and identical
Quantum dot dosage can be effectively reduced under white point coordinates, promote color saturation.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the interior setting of the microprism layer
There are several quantum dots, the quantum dot is CdS or CdSe or CdTe or CdSeTe or CdSeS or InP or InAs or CdSe/ZnS
Or CdTe/ZnS or CdSe/CdS or InP/ZnS.
It is prepared into quantum dot brightness enhancement layer using above-mentioned material as quanta point material, it not only can be effectively by backlight
Blue light is converted into feux rouges and green light, and transfer efficiency is greatly improved, and has been obviously improved the color saturation of display.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the quantum point mass account for micro-
The 5% ~ 20% of prism layer gross mass.
When the quality accounting of quantum dot and microprism layer is lower than 5%, the blue light that will cause backlight cannot turn completely
Change, the goal of the invention of the utility model patent cannot be reached, if the quality accounting of quantum dot and microprism layer is higher than 20%,
It will affect material cost, do not meet the energy-efficient needs of modern production.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the quantum dot include red amount
The ratio of sub- point, green quantum dot, the red quantum point mass and the green quantum point mass is 1:1 ~ 1:10.
It is in order in backlight by the control of the ratio of red quantum point mass and green quantum point mass in the range of 1:1 ~ 1:10
During blue light is converted into feux rouges and green light through quantum dot in source, it is ensured that the color that these three light of red, green, blue can be optimal
Color effect.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the release layer with a thickness of
30μm~300μm。
The thickness of release layer is arranged in the range of 30 μm ~ 300 μm, is to meet to the support of quantum dot brightness enhancement layer
While effect, and the overall thickness of composite fluorescent film will not be had an impact.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, microprism in microprism layer
Two sides angle a is 80 °~100 °, and the circulation spacing d of microprism is 30 μm~100 μm.
80 °~100 ° are set by the two sides angle a of microprism in microprism layer, the circulation spacing d of microprism is set
Being set to 30 μm~100 μm is brightening effect optimal in order to obtain, to further promote the display brightness of screen.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the dual brightness enhancement
Layer is the dual brightness enhancement film HWF-S300T1 or HWF-H320T1 or HWF- of Changzhou Huawei Advanced Material Co., Ltd's production
D340G1。
Select dual brightness enhancement the film HWF-S300T1 or HWF- of Changzhou Huawei Advanced Material Co., Ltd's production
H320T1 or HWF-D340G1 is because this three sections of dual brightness enhancement films can be preferably as dual brightness enhancement layer
Collocation quantum dot brightness enhancement layer is to promote blue light utilization rate.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the adhesive layer is propylene
One or both of acid ester resin, polyurethane acrylate resin, polyester acrylate resin, Epocryl with
On composition.
Using above-mentioned material as the constituent material of adhesive layer be in order under the premise of not influencing the penetrability of light, can be with
The effective bond effect for guaranteeing quantum dot brightness enhancement layer and dual brightness enhancement interlayer.
Preferably, a kind of composite fluorescent film of raising blue light utilization rate described above, the thickness of the adhesive layer
It is 2 μm ~ 10 μm.
The thickness of adhesive layer, which is arranged, can either meet quantum dot brightness enhancement layer and dual brightness enhancement in above range
Bond effect between layer again will not have an impact composite fluorescent film overall thickness.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the composite fluorescent film for improving blue light utilization rate of the utility model；
Fig. 2 is the partial enlarged view in the portion A in Fig. 1.
Specific embodiment
1-2 and specific embodiment are described in further detail the utility model with reference to the accompanying drawing, but they are not
Limitations of the present invention:
Embodiment 1
A kind of composite fluorescent film improving blue light utilization rate, including quantum dot brightness enhancement layer 3, further include dual brightness enhancement
Layer 1, adhesive layer 2, the dual brightness enhancement layer 1 are connect by the adhesive layer 2 with the quantum dot brightness enhancement layer 3,
The quantum dot brightness enhancement layer 3 includes release layer 32, microprism layer 31,31 upper surface of microprism layer and the adhesive layer 2
Connection, 31 lower surface of microprism layer is connect with the release layer 32.
Preferably, being provided with several quantum dots in the microprism layer 31, the quantum dot is CdS or CdSe or CdTe
Or CdSeTe or CdSeS or InP or InAs or CdSe/ZnS or CdTe/ZnS or CdSe/CdS or InP/ZnS.
Preferably, the quantum point mass accounts for the 5% of 31 gross mass of microprism layer.
Preferably, the quantum dot includes red quantum dot 312, green quantum dot 311, red 312 mass of quantum dot with
The ratio of 311 mass of green quantum dot is 1:1.
Preferably, the release layer 32 with a thickness of 30 μm.
Preferably, the two sides angle a of microprism is 80 ° in microprism layer 31, the circulation spacing d of microprism is 30 μ
m。
Preferably, the dual brightness enhancement layer 1 is the reflective inclined of Changzhou Huawei Advanced Material Co., Ltd's production
Light brightness enhancement film HWF-S300T1 or HWF-H320T1 or HWF-D340G1.
Preferably, the adhesive layer 2 is acrylate, polyurethane acrylate resin, polyester acrylate
The composition of one or more of resin, Epocryl.
Preferably, the adhesive layer 2 with a thickness of 2 μm.
Embodiment 2
A kind of composite fluorescent film improving blue light utilization rate, including quantum dot brightness enhancement layer 3, further include dual brightness enhancement
Layer 1, adhesive layer 2, the dual brightness enhancement layer 1 are connect by the adhesive layer 2 with the quantum dot brightness enhancement layer 3,
The quantum dot brightness enhancement layer 3 includes release layer 32, microprism layer 31,31 upper surface of microprism layer and the adhesive layer 2
Connection, 31 lower surface of microprism layer is connect with the release layer 32.
Preferably, being provided with several quantum dots in the microprism layer 31, the quantum dot is CdS or CdSe or CdTe
Or CdSeTe or CdSeS or InP or InAs or CdSe/ZnS or CdTe/ZnS or CdSe/CdS or InP/ZnS.
Preferably, the quantum point mass accounts for the 20% of 31 gross mass of microprism layer.
Preferably, the quantum dot includes red quantum dot 312, green quantum dot 311, red 312 mass of quantum dot with
The ratio of 311 mass of green quantum dot is 1:10.
Preferably, the release layer 32 with a thickness of 300 μm.
Preferably, the two sides angle a of microprism is 100 ° in microprism layer 31, the circulation spacing d of microprism is 100
μm。
Preferably, the dual brightness enhancement layer 1 is the reflective inclined of Changzhou Huawei Advanced Material Co., Ltd's production
Light brightness enhancement film HWF-S300T1 or HWF-H320T1 or HWF-D340G1.
Preferably, the adhesive layer 2 is acrylate, polyurethane acrylate resin, polyester acrylate
The composition of one or more of resin, Epocryl.
Preferably, the adhesive layer 2 with a thickness of 10 μm.
Embodiment 3
A kind of composite fluorescent film improving blue light utilization rate, including quantum dot brightness enhancement layer 3, further include dual brightness enhancement
Layer 1, adhesive layer 2, the dual brightness enhancement layer 1 are connect by the adhesive layer 2 with the quantum dot brightness enhancement layer 3,
The quantum dot brightness enhancement layer 3 includes release layer 32, microprism layer 31,31 upper surface of microprism layer and the adhesive layer 2
Connection, 31 lower surface of microprism layer is connect with the release layer 32.
Preferably, being provided with several quantum dots in the microprism layer 31, the quantum dot is CdS or CdSe or CdTe
Or CdSeTe or CdSeS or InP or InAs or CdSe/ZnS or CdTe/ZnS or CdSe/CdS or InP/ZnS.
Preferably, the quantum point mass accounts for the 12.5% of 31 gross mass of microprism layer.
Preferably, the quantum dot includes red quantum dot 312, green quantum dot 311, red 312 mass of quantum dot with
The ratio of 311 mass of green quantum dot is 1:5.5.
Preferably, the release layer 32 with a thickness of 165 μm.
Preferably, the two sides angle a of microprism is 90 ° in microprism layer 31, the circulation spacing d of microprism is 65 μ
m。
Preferably, the dual brightness enhancement layer 1 is the reflective inclined of Changzhou Huawei Advanced Material Co., Ltd's production
Light brightness enhancement film HWF-S300T1 or HWF-H320T1 or HWF-D340G1.
Preferably, the adhesive layer 2 is acrylate, polyurethane acrylate resin, polyester acrylate
The composition of one or more of resin, Epocryl.
Preferably, the adhesive layer 2 with a thickness of 6 μm.
In short, the above is only the preferred embodiment of the present invention, all ranges according to present utility model application patent
Made equivalent changes and modifications should all belong to the covering scope of the utility model.
Claims (9)
1. a kind of composite fluorescent film for improving blue light utilization rate, including quantum dot brightness enhancement layer (3), it is characterised in that: further include anti-
Formula brightness enhancement layer (1), adhesive layer (2) are penetrated, the dual brightness enhancement layer (1) passes through the adhesive layer (2) and institute
Quantum dot brightness enhancement layer (3) connection is stated, the quantum dot brightness enhancement layer (3) includes release layer (32), microprism layer (31), micro- rib
Mirror layer (31) upper surface is connect with the adhesive layer (2), and microprism layer (31) lower surface and the release layer (32) are even
It connects.
2. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: the microprism
Be provided with several quantum dots in layer (31), the quantum dot be CdS or CdSe or CdTe or CdSeTe or CdSeS or InP or
InAs or CdSe/ZnS or CdTe/ZnS or CdSe/CdS or InP/ZnS.
3. a kind of composite fluorescent film for improving blue light utilization rate according to claim 2, it is characterised in that: the quantum dot
Quality accounts for the 5% ~ 20% of microprism layer (31) gross mass.
4. a kind of composite fluorescent film for improving blue light utilization rate according to claim 2, it is characterised in that: the quantum dot
Including red quantum dot (312), green quantum dot (311), red quantum dot (312) quality and green quantum dot (311) quality
Ratio be 1:1 ~ 1:10.
5. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: the release layer
(32) with a thickness of 30 μm ~ 300 μm.
6. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: microprism layer
(31) the two sides angle a of microprism is 80 °~100 ° in, and the circulation spacing d of microprism is 30 μm~100 μm.
7. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: described reflective
Brightness enhancement layer (1) is dual brightness enhancement the film HWF-S300T1 or HWF- of Changzhou Huawei Advanced Material Co., Ltd's production
H320T1 or HWF-D340G1.
8. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: the adhesive
Layer (2) is acrylate, in polyurethane acrylate resin, polyester acrylate resin, Epocryl
A combination of one or more object.
9. a kind of composite fluorescent film for improving blue light utilization rate according to claim 1, it is characterised in that: the adhesive
Layer (2) with a thickness of 2 μm ~ 10 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891400.6U CN209150152U (en) | 2018-11-16 | 2018-11-16 | A kind of composite fluorescent film improving blue light utilization rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891400.6U CN209150152U (en) | 2018-11-16 | 2018-11-16 | A kind of composite fluorescent film improving blue light utilization rate |
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| CN209150152U true CN209150152U (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444895A (en) * | 2019-08-27 | 2021-03-05 | 欣盛光电股份有限公司 | Quantum dot reflection type brightness enhancement film |
-
2018
- 2018-11-16 CN CN201821891400.6U patent/CN209150152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444895A (en) * | 2019-08-27 | 2021-03-05 | 欣盛光电股份有限公司 | Quantum dot reflection type brightness enhancement film |
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