CN106291789A - A kind of reflector plate and preparation method thereof, backlight module, display device - Google Patents
A kind of reflector plate and preparation method thereof, backlight module, display device Download PDFInfo
- Publication number
- CN106291789A CN106291789A CN201610629446.XA CN201610629446A CN106291789A CN 106291789 A CN106291789 A CN 106291789A CN 201610629446 A CN201610629446 A CN 201610629446A CN 106291789 A CN106291789 A CN 106291789A
- Authority
- CN
- China
- Prior art keywords
- reflector plate
- light
- dyestuff
- backlight module
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Open a kind of reflector plate of the present invention and preparation method thereof, backlight module, display device, relate to Display Technique field, wider and cause the poor problem of the colour gamut range colour gamut expressive ability less, display device of backlight module for solving the half-wave width of spectrum of institute's light requirement in the backlight provided because of backlight module.Described reflector plate includes reflective substrate and the dyestuff of at least one color being entrained in reflective substrate, and wherein, the color of a certain non-required light is complementary color to the color of at least one dyestuff with the light on reflector plate to be incident to.Reflector plate is arranged in backlight module, in the light that the light source of backlight module can be sent by the dyestuff in reflector plate, non-required light absorbs, the half-wave width of the spectrum of institute's light requirement in the spectrum of the backlight that backlight module provides is made to narrow, increase the colour gamut range of the backlight that backlight module provides, improve the colour gamut expressive ability of display device.The reflector plate that the present invention provides is applied in backlight module, and backlight module is for providing backlight for display floater.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of reflector plate and preparation method thereof, backlight module, display dress
Put.
Background technology
The function of display device be exactly can color reproduction, in the technology of color rendition, available graph processing technique will
The color rendition of image, and whether color intactly can be presented, it is directed to the colour gamut (color of display device
Gamut) expressive ability.Colour gamut is the subset of color, and it is specific that the modal application of subset of colours is used to accurately represent one
Real color under environment, such as one color space (color space) or certain output device (such as display device)
Color range.
In prior art, a kind of display device is had to include backlight module and the display surface of the light emission side being positioned at backlight module
Plate, backlight module provides backlight for display floater, and for this kind of display device, the colour gamut expressive ability of display device is main
Depend on the colour gamut range of the backlight that backlight module provides, and the colour gamut range of the backlight that backlight module provides is generally and backlight
Spectral characteristic is relevant.Such as, for using the display device of RGB (Red is red, and Green is green, and Blue is blue) color mode, i.e. primary colors
Use HONGGUANG, green glow and the display device of blue light, it is believed that in the backlight that backlight module provides, HONGGUANG, green glow and blue light are
Institute's light requirement, the light in addition to HONGGUANG, green glow and blue light is then non-required light, in the spectrum of the backlight that backlight module provides, HONGGUANG
The half-wave width of spectrum of the half-wave width of spectrum, the half-wave width of spectrum of green glow and blue light the narrowest time, backlight module provides
The colour gamut range of backlight is bigger.
But, due to technical merit and the restriction of technology difficulty, the spectrum of the backlight that backlight module provides would generally be deposited
At the spectrum of non-required light, such as, when institute's light requirement is HONGGUANG, green glow and blue light, the spectrum of backlight exists between HONGGUANG with green
The spectrum of the non-required light (such as gold-tinted) between light, or/and, the spectrum of backlight exists the non-institute between green glow and blue light
The spectrum of light requirement (such as green light), causes in backlight that the half-wave width of the spectrum of institute's light requirement would generally be wider, causes backlight module to provide
The colour gamut range of backlight narrower, and then cause the colour gamut expressive ability of display device poor.
Summary of the invention
It is an object of the invention to provide a kind of reflector plate and preparation method thereof, backlight module, display device, be used for solving
Because in the backlight that backlight module provides, the half-wave width of spectrum of institute's light requirement is wider and cause the colour gamut range of backlight module less, aobvious
The technical problem that the colour gamut expressive ability of showing device is poor.
To achieve these goals, the present invention provides following technical scheme:
A first aspect of the present invention provides a kind of reflector plate, including reflective substrate and be entrained in described reflective substrate
The dyestuff of at least one color, wherein, the color of at least one described dyestuff with wait to be incident in the light on described reflector plate certain
The color of a kind of non-required light is complementary color.
A second aspect of the present invention provides a kind of backlight module, and including light source, described backlight module also includes such as above-mentioned skill
Reflector plate described in art scheme, the reflection of described reflector plate is sent, is incident to the light of described reflector plate by described light source.
A third aspect of the present invention provides a kind of display device, and including display floater, described display device also includes as above
Stating the backlight module described in technical scheme, described backlight module is positioned at the back side of described display floater.
A fourth aspect of the present invention provides the preparation method of a kind of reflector plate, and described preparation method includes: by least one
The dyestuff of color is doped in reflective substrate, forms described reflector plate, the color of at least one described dyestuff and institute to be incident to
Stating the color of a certain non-required light in the light on reflector plate is complementary color.
In the reflector plate that the present invention provides, owing to being doped with the dyestuff of at least one color in reflective substrate, at least one
The color of a certain non-required light is complementary color to the color of kind dyestuff with the light on reflector plate to be incident to, therefore, when by this
When the reflector plate of bright offer is arranged in backlight module, the light that the light source of backlight module sends can be incident to reflector plate, by backlight
It is mixed with the dyestuff of a certain color in reflector plate that the light source of module sends, is incident to a certain non-required light in the light of reflector plate
After conjunction, form a certain by the light being sent, being incident to reflector plate by the light source of backlight module of the dyestuff of black gray expandable, i.e. this color
Non-required light absorbs, and reduces the spectrum of non-required light in the spectrum of the light after being reflected sheet reflection so that after being reflected sheet reflection
Light spectrum in the half-wave width of spectrum of institute's light requirement narrow.Therefore, the reflector plate that the present invention provides is arranged on backlight module
In, during backlight module work, it is possible to reduce the spectrum of non-required light in the spectrum of the backlight that backlight module provides so that backlight mould
In the spectrum of the backlight that group provides, the half-wave width of the spectrum of institute's light requirement narrows, thus increases the colour gamut of the backlight that backlight module provides
Range, improves the colour gamut expressive ability of display device.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of a kind of reflector plate that Fig. 1 provides for the embodiment of the present invention；
The structural representation of a kind of backlight module that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the another kind of backlight module that Fig. 3 provides for the embodiment of the present invention；
The flow chart one of the preparation method of the reflector plate that Fig. 4 provides for the embodiment of the present invention；
The flowchart 2 of the preparation method of the reflector plate that Fig. 5 provides for the embodiment of the present invention.
Reference:
10-backboard, 20-light source,
30-reflector plate, 31-reflective substrate,
31a-organic substrate, 31b-reflective particle,
32-dyestuff, 40-light guide plate,
50-diffusion sheet, 60-blooming piece.
Detailed description of the invention
In order to further illustrate reflector plate of embodiment of the present invention offer and preparation method thereof, backlight module, display device,
It is described in detail below in conjunction with Figure of description.
Referring to Fig. 1, the reflector plate 30 that the embodiment of the present invention provides includes reflective substrate 31 and is entrained in reflective substrate 31
In the dyestuff 32 of at least one color, wherein, the color of at least one dyestuff 32 with in the light on reflector plate 30 to be incident to
The color of a certain non-required light is complementary color.
Above-mentioned reflector plate 30 is arranged on into display device display floater provide backlight backlight module in, backlight module
The light that sends of light source in, be incident to after the light of reflector plate 30 is reflected sheet 30 reflection, the light emission side of backlight module penetrate, aobvious
The color mode of showing device can use rgb color pattern, or, the color mode of display device can use CMYK (Cyan
Green grass or young crops, Magenta magenta or fuchsin, Yellow is yellow, and Key Plate is black) color mode, in embodiments of the present invention, with by above-mentioned
Reflector plate 30 be applied to use rgb color pattern display device as a example by illustrate.
For example, the color mode of display device uses rgb color pattern, and display device includes backlight module and display
Panel, in the backlight that backlight module provides for display floater, HONGGUANG, green glow and blue light are institute's light requirement, except HONGGUANG, green glow and blue light
Other outer light is non-required light, such as, the gold-tinted between HONGGUANG and green glow, the green light between green glow and blue light
Deng.
The reflector plate 30 that the embodiment of the present invention provides includes reflective substrate 31, doped with at least one face in reflective substrate 31
The dyestuff 32 of color, wherein, the color of at least one dyestuff 32 and a certain non-required light in the light on reflector plate 30 to be incident to
Color be complementary color, such as, the spectrum of the light that the light source of backlight module sends exists the light time spectrum of gold-tinted, reflector plate 30
Then can adulterate in reflective substrate 31 dyestuff 32 with gold-tinted complementary color each other, and such as, according to complementary color principle, the complementary color of yellow is usual
Can use navy blue, then in the reflective substrate 31 of reflector plate 30, the dyestuff 32 of doping can be dark blue dyes, when by light source
Send, exist the light of gold-tinted when being incident to reflector plate 30, after gold-tinted mixes with dark blue dyes, form black gray expandable, i.e. navy blue
Gold-tinted is absorbed by dyestuff, thus the gold-tinted in the light sent by light source is removed；Or, the light of the light that the light source of backlight module sends
There is the light time spectrum of green light in spectrum, then can adulterate in the reflective substrate 31 of reflector plate 30 dyestuff 32 with green light complementary color each other,
Such as, according to complementary color principle, the complementary color of cyan generally can use orange red, then doping in the reflective substrate 31 of reflector plate 30
Dyestuff 32 can be orange red dyestuff, and when the light being sent, existing green light by light source is incident to reflector plate 30, green light is with orange red
After dyestuff mixing, forming black gray expandable, green light is absorbed by the most orange red dyestuff, thus the green light in the light sent by light source is removed；
Or, the spectrum of the light that the light source of backlight module sends exists the spectrum of gold-tinted and the light time spectrum of green light, reflector plate 30 anti-
Penetrate the dyestuff 32 of two kinds of colors of then can adulterating in base material 31, the color of one of which dyestuff 32 and yellow complementary color each other, as deeply
Blue dyes, the color of one of which dyestuff 32 and cyan complementary color each other, such as orange red dyestuff, when being sent by light source, there is green grass or young crops
When the light of light and gold-tinted is incident to reflector plate 30, gold-tinted mixes with dark blue dyes, after green light mixes with orange red dyestuff, is formed
Gold-tinted is absorbed by black gray expandable, i.e. dark blue dyes, and green light is absorbed by orange red dyestuff, thus the gold-tinted in the light that light source is sent
Remove with green light.
By above-mentioned analysis, in the reflector plate 30 that the embodiment of the present invention provides, owing to being doped with at least in reflective substrate 31
The dyestuff 32 of a kind of color, the color of at least one dyestuff 32 and a certain non-required light in the light on reflector plate 30 to be incident to
Color is complementary color, therefore, when the reflector plate 30 embodiment of the present invention provided is arranged in backlight module, backlight module
The light that light source sends can be incident to reflector plate 30, the light source of backlight module send, be incident in the light of reflector plate 30 is a certain
After non-required light mixes with the dyestuff 32 of a certain color in reflector plate 30, the dyestuff 32 forming black gray expandable, i.e. this color will
Being sent, be incident to a certain non-required light in the light of reflector plate 30 to absorb by the light source of backlight module, it is anti-that minimizing is reflected sheet 30
The spectrum of non-required light in the spectrum of the light after penetrating so that be reflected the spectrum of institute's light requirement in the spectrum of the light after sheet 30 reflection
Half-wave width narrows.Therefore, the reflector plate 30 that the embodiment of the present invention provides is arranged in backlight module, during backlight module work,
The spectrum of non-required light in the spectrum of the backlight that backlight module provides can be reduced so that the spectrum of the backlight that backlight module provides
The half-wave width of the spectrum of middle institute light requirement narrows, thus increases the colour gamut range of the backlight that backlight module provides, and improves display device
Colour gamut expressive ability.
It addition, in prior art, in order to increase the colour gamut range of the backlight that backlight module provides, improve the color of display device
Territory expressive ability, can use quantum dot film in backlight module, and the light source of backlight module provides blue light, and blue light is incident to
Quantum dot film, blue light stimulates various sizes of quantum dot crystal in quantum dot film, release HONGGUANG and green glow, blue light, HONGGUANG and green
Light is incident in display floater, for the backlight that display floater offer colour gamut range is wider.But, owing to the preparation of quantum dot film is difficult
Degree is relatively big, the price of the material of quantum dot crystal is higher, and technology of quantum dots is monopolization technology, thus results in employing quantum dot film
Display device relatively costly.
And when arranging the reflector plate 30 that the embodiment of the present invention provides in backlight module, to realize backlight module offer
The increase of the colour gamut range of backlight, and when improving the colour gamut expressive ability of display device, the reflector plate that the embodiment of the present invention provides
30 materials used cheap, and the technique of dopant dye 32 is relatively simple in reflective substrate 31, therefore, and in backlight
Module arranges quantum dot film compare, when backlight module arranges the reflector plate 30 that the embodiment of the present invention provides, can increase
While adding the colour gamut expressive ability of the colour gamut range of the backlight that backlight module provides, raising display device, reduce display device
Cost.
Furthermore, in prior art, in order to increase the colour gamut range of the backlight that backlight module provides, improve the color of display device
Territory expressive ability, can arrange colour filter diaphragm in backlight module, and the light that the light source of backlight module sends is incident to colour filter diaphragm
And through colour filter diaphragm, in the light that light source is sent by colour filter diaphragm, non-required light filters, i.e. colour filter diaphragm uses through optical filtering
In the light that light source is sent by mode, non-required light filters, the half-wave width of the spectrum of light requirement to reduce, thus increases backlight module
The colour gamut range of the backlight provided, improves the colour gamut expressive ability of display device.But, backlight module arranges optical filtering diaphragm
Time, the light that light source sends needs just can be incident in display floater through colour filter diaphragm, thus results in the back of the body that backlight module provides
The brightness of light is relatively low compared to the brightness of the light that light source sends, and causes the light efficiency of backlight module and efficiency relatively low.
And when arranging the reflector plate 30 that the embodiment of the present invention provides in backlight module, to realize backlight module offer
The increase of the colour gamut range of backlight, and when improving the colour gamut expressive ability of display device, carry owing to being provided with the embodiment of the present invention
In the light that light source is sent by the mode that the backlight module of the reflector plate 30 of confession uses reflection to filter, non-required light absorbs and filters, with
In backlight module, arrange optical filtering diaphragm compare, backlight module arranges the reflector plate 30 that the embodiment of the present invention provides, permissible
Reduce the loss rate of the brightness of the light that light source is sent, be i.e. provided with the backlight module of the reflector plate 30 that the embodiment of the present invention provides
The brightness difference of the light that the brightness of backlight provided sends compared to light source is less, such that it is able to improve backlight module light efficiency and
Efficiency.
When arranging the reflector plate 30 that the embodiment of the present invention provides in backlight module, to realize the back of the body that backlight module is provided
The increase of the colour gamut range of light, and when improving the colour gamut expressive ability of display device, provide owing to being provided with the embodiment of the present invention
The backlight module of reflector plate 30 use non-required light in the light that sent by light source of mode that reflection filters to absorb, because of without right
Other blooming piece of backlight module produces impact, and will not produce the phenomenons such as interference, diffraction, absorption with other blooming piece,
Thus the convenient reflector plate 30 that the embodiment of the present invention is provided and other blooming piece with the use of, increase backlight module further
The colour gamut range of the backlight provided, and improve the colour gamut expressive ability of display device；Simultaneously as be provided with the embodiment of the present invention
In the light that light source is sent by the mode that the backlight module of the reflector plate 30 provided uses reflection to filter, non-required light absorbs, thus will
The reflector plate 30 that the embodiment of the present invention provides and other blooming piece such as prismatic lens, diffusion sheet etc. with the use of time, light source is sent out
The light gone out can repeatedly be propagated between reflector plate 30 and other blooming piece, and the light that i.e. light source sends can be repeatedly through reflection
The reflection of sheet 30, thus the non-required light in the light sent by light source absorbs and filters, and increases the backlight of backlight module offer
Colour gamut range, and improve the colour gamut expressive ability of display device.
It should be noted that for the display device using quantum dot film, reflector plate 30 is usually white reflective sheet 30, for
The colour gamut range of the backlight that further increase backlight module provides, improve the colour gamut expressive ability of display device, can use
Aforesaid way, doped, blue dyestuff 32 in the reflective substrate 31 of reflector plate 30, obtain blue light, blue light after being reflected sheet 30 reflection
After being incident to quantum dot film, excite various sizes of quantum dot crystal, send HONGGUANG and green glow, be so designed that, be possible to prevent by
It is incident to after the injection of quantum dot film obtain non-required light, such that it is able to increase further after the light of reflector plate 30 is reflected sheet 30 reflection
Add the colour gamut range of the backlight that backlight module provides, improve the colour gamut expressive ability of display device, at the same time it can also be break because of amount
The control difficulty of the size of son point crystal is higher and causes the increasing to the colour gamut range of the backlight that backlight module provides of the quantum dot film
The restriction added, and break through the restriction of the raising of the colour gamut expressive ability to display device.
In above-described embodiment, the spectrum of light that the color of dyestuff 32 can send according to the light source of backlight module, Yi Jixian
The color mode that showing device is used selects, and when display device uses rgb color pattern, the light source of backlight module sends
There is the spectrum of gold-tinted in the spectrum of light, dyestuff 32 can include dark blue dyes, or, the light that the light source of backlight module sends
There is the spectrum of green light in spectrum, dyestuff 32 can include orange red dyestuff, or, the spectrum of the light that the light source of backlight module sends
There is the spectrum of gold-tinted and the spectrum of green light, dyestuff 32 can include dark blue dyes and orange red dyestuff；Dyestuff 32 includes deeply
During blue dyes, the gold-tinted in the light that light source can be sent by dark blue dyes absorbs, when dyestuff 32 includes orange red dyestuff, and orange
Green light in the light that light source can be sent by orchil absorbs.Wherein, dark blue dyes can be blue FXW, dark blue VB, dark blue
At least one in BO, dark blue RA, orange red dyestuff can be hydrazone compounds.
In above-described embodiment, dopant dye 32 in the reflective substrate 31 of reflector plate 30, dyestuff 32 accounts for the matter of reflector plate 30
Amount percentage ratio can be 0.001%～0.05%, with prevent dyestuff 32 because being entrained in reflective substrate 31 very little and to light source
In the light sent, the assimilation effect of non-required light is poor, and prevent dyestuff because being entrained in reflective substrate 31 32 too many and to instead
The reflecting effect penetrating sheet 30 has undesirable effect.
The reflector plate 30 that the embodiment of the present invention provides includes reflective substrate 31, and reflective substrate 31 can be to have reflection function
Substrate material, or, reflective substrate 31 can include that organic substrate 31a and reflective particle 31b, organic substrate 31a are used for being
The reflector plate 30 prepared provides intensity, reflective particle 31b to be dispersed in organic substrate 31a, it is achieved reflector plate 30 reflects the merit of light
Energy.The mass ratio of organic substrate 31a and reflective particle 31b can be 4:6～5:5, to prevent because of organic substrate in reflector plate 30
The content of 31a causes the intensity of reflector plate 30 relatively low very little, prevents because in reflector plate 30, the content of reflective particle 31b is too simultaneously
Reflector plate 30 is caused to reflect the effect of light less poor.
In above-described embodiment, reflective particle 31b can be inorganic reflective particulate 31b, and the material of inorganic reflective particulate 31b is
Barium silicate (BaSiO4), calcium carbonate (CaCO3), titanium dioxide (TiO2), silicon dioxide (SiO2), carbonic acid Asia calcium (Ca2CO3In)
At least one.Organic substrate 31a is polyethylene terephthalate, Merlon or polypropylene.
Referring to Fig. 2 and Fig. 3, the embodiment of the present invention also provides for a kind of backlight module, including light source 20, also includes as above-mentioned
Reflector plate 30 described in embodiment, reflector plate 30 reflects the light being sent, being incident to reflector plate 30 by light source 20.
Specifically, please continue to refer to Fig. 2, backlight module can be side entrance back module, backlight module include backboard 10,
Light source 20, reflector plate 30, light guide plate 40 and blooming piece 60, wherein, backboard 10 can be by rectangular base plate and four side plate structures
The frame-shaped backboard become；Reflector plate 30, light guide plate 40 and blooming piece 60 are cascading in rectangular base plate, and reflector plate 30 can
To fit with rectangular base plate；At least one side of rectangular base plate is provided with light source 20, the side phase of light source 20 and light guide plate 40
Right.The light that light source 20 sends is incident to blooming piece 60 after being reflected the guiding of the reflection of sheet 30, light guide plate 40, and through optics
Diaphragm 60 penetrates, and provides backlight for display floater, when reflective substrate 31 reflection of reflector plate 30 is incident to the light of reflector plate 30, instead
Non-required light in the light being incident to reflector plate 30 is absorbed and filters by the dyestuff 32 penetrated in sheet 30, to increase backlight module offer
The colour gamut range of backlight；Meanwhile, light, after being incident to blooming piece 60, can reflect, refraction etc. in blooming piece 60
Phenomenon, is again incident on reflector plate 30, and the reflective substrate 31 being then reflected sheet 30 is reflected back in blooming piece 60, now, instead
The dyestuff 32 penetrated in sheet 30 will be absorbed by the non-required light being incident in the light of reflector plate 30 after blooming piece 60 outgoing and be filtered,
To increase the colour gamut range of the backlight that backlight module provides further.
In a display device, backlight module is the most also collocated with reflective polarizers (Dual Brightness
Enhancement Film, DBEF), polarization direction is perpendicular to the light setting polarization direction of reflective polarizers by reflective polarizers
Back into backlight module, the light reflected by reflective polarizers is then incident to reflector plate 30 through blooming piece 60, light guide plate 40, reflection
This part light is then reflected by the reflective substrate 31 of sheet 30, and now, the dyestuff 32 in reflector plate 30 will be anti-by reflective polarizers
Non-required light in light after penetrating absorbs and filters, and then the luminous reflectance after dyestuff 32 absorbs and filters is returned reflective polarizer
Sheet, at reflector plate 30 with under the cooperation of reflective polarizers, removes major part (experiment proves that, can be up to 90%) and is sent out by light source
Non-required light in the light gone out, increases the colour gamut range of the backlight that backlight module provides.
Please continue to refer to Fig. 3, backlight module can be straight-down negative formula backlight module, and down straight aphototropism mode set includes backboard
10, light source 20, reflector plate 30, diffusion sheet 50 and blooming piece 60, wherein, backboard 10 can be by rectangular base plate and four side plates
The frame-shaped backboard constituted；Light source 20 is positioned in rectangular base plate, and reflector plate 30 is provided with light source through hole, and light source 20 is through light source
Through hole, and light source through hole of emerging, diffusion sheet 50 and blooming piece 60 be cascading above reflector plate 30, diffusion
Sheet 50 and reflector plate 30 have certain distance.Down straight aphototropism mode set operationally, working method and side entrance back module
Working method is similar to, and does not repeats them here.
Described backlight module is identical relative to prior art have the advantage that with above-mentioned reflector plate, does not repeats them here.
The embodiment of the present invention also provides for a kind of display device, and described display device includes display floater and such as above-described embodiment
Described backlight module, backlight module is positioned at the back side of display floater.
Described display device is identical relative to prior art have the advantage that with above-mentioned backlight module, the most superfluous at this
State.
Referring to Fig. 4, the embodiment of the present invention also provides for the preparation method of a kind of reflector plate, for preparation such as above-described embodiment
Described reflector plate, the preparation method of reflector plate includes:
Step S100, the dyestuff of at least one color is doped in reflective substrate, forms reflector plate, at least one dyestuff
Color the color of a certain non-required light is complementary color with the light on reflector plate to be incident to.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical similar portion between each embodiment
Dividing and see mutually, what each embodiment stressed is the difference with other embodiments.Real especially for method
For executing example, owing to it is substantially similar to product embodiments, so describing fairly simple, relevant part sees product embodiments
Part illustrate.
In the above-described embodiments, step S100 may include that first provides reflective substrate, and reflective substrate is melted；Then
Add dye in the reflective substrate melted, after mix homogeneously, form reflector plate by extruding.
In embodiments of the present invention, reflective substrate can include organic substrate and reflective particle, refers to Fig. 5, step
S100 may include that
Step S110, add reflective particle, intermediate dispersant and intermediate antioxidant to melted organic substrate
In, mix homogeneously also extrudes, and forms granular intermediate, wherein, in intermediate, and organic substrate and the mass ratio of reflective particle
For 15:80～40:50, it is 2%～10% that intermediate dispersant accounts for the mass percent of intermediate, during intermediate antioxidant accounts for
The mass percent of mesosome is 0.05%～1%.
When forming granular intermediate, being added with intermediate dispersant and intermediate antioxidant, wherein, intermediate divides
Powder is so that reflective particle disperses in organic substrate so that reflective particle uniformly mixes with organic substrate, the most right
When reflective particle is inorganic reflective particulate, intermediate dispersant can select existing hydrophilic to have again oil loving material, example
As, silicates (three sodium polysilicates etc.), alkali metal phosphate class (sodium pyrophosphate etc.) etc., so, intermediate dispersant can
Be combined with organic substrate, can be combined with inorganic reflective particulate again, so that inorganic reflective particulate is mixed homogeneously with organic substrate.
The interpolation of intermediate antioxidant, can reduce the oxidation rate of organic substrate, thus reduce the old of organic substrate
Change speed, increase the service life of reflector plate.Intermediate antioxidant can be β-(3,5 di-tert-butyl-hydroxy phenyl) third
Acid positive octadecanol ester, three (2,4 di-tert-butyl-phenyl) phosphite ester etc., wherein intermediate antioxidant can be with in above-mentioned material
One, it is also possible to multiple in above-mentioned material.
In intermediate, organic substrate is 15:80～40:50 with the mass ratio of reflective particle, and intermediate dispersant accounts for centre
The mass percent of body is 2%～10%, and it is 0.05%～1% that intermediate antioxidant accounts for the mass percent of intermediate, i.e.
In intermediate, it is 14.05%～39.56% that organic substrate accounts for the mass percent of intermediate, and reflective particle accounts for the matter of intermediate
Amount percentage ratio is 49.44%～81.73%, and in actual applications, in intermediate, organic substrate, reflective particle, intermediate disperse
The mass ratio of agent and intermediate antioxidant can be 34.7:60:5:0.3.
When forming granular intermediate, reflective particle, intermediate dispersant and intermediate antioxidant can be added
In organic substrate, and reflective particle, intermediate dispersant, intermediate antioxidant and melted organic substrate are placed in stirring
In device, agitator is with the rotational speed of 30r/min～200r/min, by reflective particle, intermediate dispersant, intermediate antioxidation
Agent and melted organic substrate mix homogeneously, wherein, the rotating speed of agitator is preferably 50r/min；Then anti-by mix homogeneously
Radion, intermediate dispersant, intermediate antioxidant and melted organic substrate are placed in double screw extruder and extrude,
Obtain granular intermediate.
Step S120, by dyestuff, dye dispersant, migration inhibitor, dye antioxidant and agent for fixing mix, formed dyestuff
Mixture, wherein, in dye mixture, it is 85%～95% that dyestuff accounts for the mass percent of dye mixture, dye dispersant
The mass percent accounting for dye mixture is 1.4%～13.8%, and it is 1% that migration inhibitor accounts for the mass percent of dye mixture
～3%, it is 0.05%～0.15% that dye antioxidant accounts for the mass percent of dye mixture, and agent for fixing accounts for dye mixture
Mass percent be 0.15%～0.45%.
Dye mixture includes dyestuff, dye dispersant, migration inhibitor, dye antioxidant and agent for fixing, and dyestuff disperses
The interpolation of agent, so that dyestuff is easier in organic substrate and reflective particle dispersion so that dyestuff, organic substrate and reflection grain
Son can uniformly mix, and dye dispersant can be that existing hydrophilic has again an oil loving material, such as, and methyl anyl alcohol, poly-third
Acrylamide etc., in actual applications, the material of dye dispersant can be identical with the material of intermediate dispersant, such as, dyestuff
Dispersant can also be silicates (three sodium polysilicates etc.), alkali metal phosphate class (sodium pyrophosphate etc.) etc..
The interpolation of migration inhibitor, be possible to prevent dyestuff produce migration reunite phenomenon, such that it is able to further such that dyestuff,
Organic substrate and reflective particle can uniformly mix.Migration inhibitor can be sodium alginate slurry, polyglycol ether etc., should in reality
In with, migration inhibitor can be the one in above-mentioned material, it is also possible to multiple in above-mentioned material.
The interpolation of dye antioxidant, is possible to prevent the oxidation of dyestuff, prevents because dyestuff occurs oxidation to cause dyestuff pair
The assimilation effect of non-required light is deteriorated.The material of dye antioxidant can be identical with the material of intermediate antioxidant, such as,
Dye antioxidant can be β-(3,5 di-tert-butyl-hydroxy phenyl) propanoic acid positive octadecanol ester, three (2,4 di-tert-butyls
Base) phosphite ester etc., wherein intermediate antioxidant can be with the one in above-mentioned material, it is also possible to for many in above-mentioned material
Kind.
The interpolation of agent for fixing, can make the color of dyestuff consolidate, and agent for fixing can be soda.
In dye mixture, it is 85%～95% that dyestuff accounts for the mass percent of dye mixture, and dye dispersant accounts for dye
The mass percent of material mixture is 1.4%～13.8%, migration inhibitor account for the mass percent of dye mixture be 1%～
3%, it is 0.05%～0.15% that dye antioxidant accounts for the mass percent of dye mixture, and agent for fixing accounts for dye mixture
Mass percent is 0.15%～0.45%, such as, and dyestuff, dye dispersant, migration inhibitor, dye antioxidant and agent for fixing
Mass ratio can be 87.6:10:2:0.1:0.3.
Step S130, intermediate and dye mixture are added in melted organic substrate, extrude after mix homogeneously, shape
Becoming reflector plate, wherein, it is 0.001%～0.05% that dyestuff accounts for the mass percent of reflector plate.
After intermediate and dye mixture are added in melted organic substrate, can be by intermediate, dye mixture
Stirring it is placed in blender, with by the mixing of intermediate, dye mixture and melted organic substrate all with melted organic substrate
Even, the rotating speed of blender can be 30r/min～200r/min, and the rotating speed of blender is preferably 50r/min；Then by equal for mixing
Even intermediate, dye mixture and melted organic substrate are placed in injection machine and extrude, and form reflector plate.Certainly, will
After intermediate and dye mixture add in melted organic substrate, it is also possible to directly by intermediate, dye mixture and molten
The organic substrate melted is placed in injection machine and mixes, and is then extruded by injection machine, forms reflector plate.
In the above-described embodiments, first take a organic substrate, and this organic substrate is melted, then by reflective particle
Add in this melted a organic substrate, extrude after mix homogeneously, form granular intermediate；Then another is taken
Part organic substrate, and another part of organic substrate is melted, then add dyestuff and granular intermediate to melted another
In part organic substrate, extrude after mix homogeneously, form reflector plate.It is so designed that, it is possible to achieve reflective particle, dyestuff and have
Machine base material uniformly mixes, thus is conducive to preparing uniform reflector plate.
It is worthy of note, in above-described embodiment, the order of step S110 and step S120 is not construed as limiting, and can first carry out
Step S110, then carry out step S120, or, it is also possible to first carry out step S120, then carry out step S110, or, it is also possible to
Carry out step S110 and step S120 simultaneously.
Please continue to refer to Fig. 5, before step S110, the preparation method of reflector plate also includes:
Step S10, base material is placed in the hothouse of drying device it is dried, dry run repeatedly weighs base
Material, until the difference of the quality of adjacent twice weighing is less than or equal to 0.0001g, terminates to be dried.
Specifically, base material is placed in time the hothouse of drying device is dried, the temperature in hothouse be 70 DEG C～
115 DEG C, preferably 90 DEG C, the pressure in hothouse can be set according to capacity of equipment, and the pressure in hothouse can be
0Pa～200Pa, the pressure in hothouse is the lowest more good, for example, it is possible to be 2Pa～5Pa, certainly, in actual production, in order to
Reducing cost, the pressure in hothouse can be 20Pa；The drying time being dried in base material is placed in hothouse can root
Border is selected factually, such as, can be 2 hours～12 hours, in actual applications, do in base material is placed in hothouse
Dry drying time can elect 12 hours as.
During base material is dried, base material is repeatedly weighed, when the difference of the quality of adjacent twice weighing
During less than or equal to 0.0001g, then can terminate base material is dried.During base material is dried, base material is entered
When row weighs, the time interval of adjacent twice weighing can be carried out according to actual needs, such as, at the beginning of being dried base material
Phase, the time interval of adjacent twice weighing can be longer, in the later stage that base material is dried, and the time of adjacent twice weighing
Interval can be shorter.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be at any one or many
Individual embodiment or example combine in an appropriate manner.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (14)
1. a reflector plate, it is characterised in that include reflective substrate and at least one color being entrained in described reflective substrate
Dyestuff, wherein, the color of at least one described dyestuff with wait to be incident to a certain non-required light in the light on described reflector plate
Color be complementary color.
Reflector plate the most according to claim 1, it is characterised in that described dyestuff includes dark blue dyes or/and orange red
Dyestuff, wherein, described dark blue dyes is at least one in blue FXW, dark blue VB, dark blue BO, dark blue RA, described orange red dye
Material is hydrazone compounds.
Reflector plate the most according to claim 1, it is characterised in that described dyestuff accounts for the mass percent of described reflector plate and is
0.001%～0.05%.
Reflector plate the most according to claim 1, it is characterised in that described reflective substrate includes organic substrate and reflection grain
Son, described organic substrate is 4:6～5:5 with the mass ratio of described reflective particle.
Reflector plate the most according to claim 4, it is characterised in that described reflective particle is inorganic reflective particulate, described nothing
The material of machine reflective particle is at least one in barium silicate, calcium carbonate, titanium dioxide, silicon dioxide, carbonic acid Asia calcium；
Described organic substrate is polyethylene terephthalate, Merlon or polypropylene.
6. a backlight module, including light source, it is characterised in that described backlight module also includes institute as arbitrary in Claims 1 to 5
The reflector plate stated, the reflection of described reflector plate is sent, is incident to the light of described reflector plate by described light source.
7. a display device, including display floater, it is characterised in that described display device also includes as claimed in claim 6
Backlight module, described backlight module is positioned at the back side of described display floater.
8. the preparation method of a reflector plate, it is characterised in that described preparation method includes: the dyestuff of at least one color is mixed
Miscellaneous in reflective substrate, form described reflector plate, the color of at least one described dyestuff with wait to be incident on described reflector plate
In light, the color of a certain non-required light is complementary color.
The preparation method of reflector plate the most according to claim 8, it is characterised in that described by the dyestuff of at least one color
Being doped in reflective substrate, the step forming described reflector plate includes:
Adding in melted organic substrate by reflective particle, intermediate dispersant and intermediate antioxidant, mix homogeneously is also
Extruding, forms granular intermediate, wherein, in described intermediate, and described organic substrate and the mass ratio of described reflective particle
For 15:80～40:50, it is 2%～10% that described intermediate dispersant accounts for the mass percent of described intermediate, described intermediate
It is 0.05%～1% that antioxidant accounts for the mass percent of described intermediate；
Described dyestuff, dye dispersant, migration inhibitor, dye antioxidant and agent for fixing are mixed, forms dye mixture, its
In, in described dye mixture, it is 85%～95% that described dyestuff accounts for the mass percent of described dye mixture, described dyestuff
It is 1.4%～13.8% that dispersant accounts for the mass percent of described dye mixture, and described migration inhibitor accounts for the mixing of described dyestuff
The mass percent of thing is 1%～3%, and it is 0.05% that described dye antioxidant accounts for the mass percent of described dye mixture
～0.15%, it is 0.15%～0.45% that described agent for fixing accounts for the mass percent of described dye mixture；
Described intermediate and described dye mixture are added in melted organic substrate, extrudes after mix homogeneously, form institute
Stating reflector plate, wherein, it is 0.001%～0.05% that described dyestuff accounts for the mass percent of described reflector plate.
The preparation method of reflector plate the most according to claim 9, it is characterised in that in described intermediate, described organic group
The mass ratio of material, described reflective particle, described intermediate dispersant and described intermediate antioxidant is 34.7:60:5:0.3.
The preparation method of 11. reflector plates according to claim 9, it is characterised in that in described dye mixture, described dye
The mass ratio of material, described dye dispersant, described migration inhibitor, described dye antioxidant and described agent for fixing is 87.6:10:
2:0.1:0.3。
The preparation method of 12. reflector plates according to claim 9, it is characterised in that described by described reflective particle, in
Mesosome dispersant and intermediate antioxidant add in melted described organic substrate, and mix homogeneously also extrudes, and form granule
Before the step of the intermediate of shape, described preparation method also includes:
Described base material is placed in the hothouse of drying device and is dried, dry run repeatedly weighs described base material, directly
Extremely the difference of the quality of adjacent twice weighing is less than or equal to 0.0001g, terminates to be dried.
The preparation method of 13. reflector plates according to claim 12, it is characterised in that the temperature in described hothouse is 70
DEG C～115 DEG C, the pressure in described hothouse is 0Pa～200Pa；
It is 2 hours～12 hours that described base material is placed in described hothouse the drying time being dried.
The preparation method of 14. reflector plates according to claim 13, it is characterised in that the temperature in described hothouse is 90
DEG C, the pressure in described hothouse is 20Pa, and it is 12 little that described base material is placed in institute's hothouse the drying time being dried
Time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629446.XA CN106291789A (en) | 2016-08-02 | 2016-08-02 | A kind of reflector plate and preparation method thereof, backlight module, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629446.XA CN106291789A (en) | 2016-08-02 | 2016-08-02 | A kind of reflector plate and preparation method thereof, backlight module, display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106291789A true CN106291789A (en) | 2017-01-04 |
Family
ID=57665476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610629446.XA Pending CN106291789A (en) | 2016-08-02 | 2016-08-02 | A kind of reflector plate and preparation method thereof, backlight module, display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291789A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019117860A1 (en) * | 2017-12-12 | 2019-06-20 | Hewlett-Packard Development Company, L.P. | Liquid crystal display lighting modes |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253068A (en) * | 1998-11-02 | 2000-05-17 | 罗姆和哈斯公司 | Method and equipment for forming plastic sheet |
| EP1632796A1 (en) * | 2004-09-01 | 2006-03-08 | Sony Corporation | Light-diffusing film and screen including the same |
| CN101019047A (en) * | 2004-06-21 | 2007-08-15 | 出光兴产株式会社 | Back chassis integrated reflector, backlight and liquid crystal display device |
| CN102650706A (en) * | 2012-03-09 | 2012-08-29 | 京东方科技集团股份有限公司 | Reflector plate and preparation method thereof, and backlight with reflector plate |
| CN102725677A (en) * | 2009-10-22 | 2012-10-10 | 惠普发展公司，有限责任合伙企业 | Reflective display device |
| CN105572962A (en) * | 2014-10-31 | 2016-05-11 | 爱思开哈斯显示用薄膜有限公司 | Film for enhancing color purity and correcting brightness, and liquid crystal display device comprising same |
| CN105759327A (en) * | 2016-04-21 | 2016-07-13 | Tcl海外电子（惠州）有限公司 | Diffusion plate, diffusion plate manufacturing method, backlight module and display apparatus |
-
2016
- 2016-08-02 CN CN201610629446.XA patent/CN106291789A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253068A (en) * | 1998-11-02 | 2000-05-17 | 罗姆和哈斯公司 | Method and equipment for forming plastic sheet |
| CN101019047A (en) * | 2004-06-21 | 2007-08-15 | 出光兴产株式会社 | Back chassis integrated reflector, backlight and liquid crystal display device |
| EP1632796A1 (en) * | 2004-09-01 | 2006-03-08 | Sony Corporation | Light-diffusing film and screen including the same |
| CN102725677A (en) * | 2009-10-22 | 2012-10-10 | 惠普发展公司，有限责任合伙企业 | Reflective display device |
| CN102650706A (en) * | 2012-03-09 | 2012-08-29 | 京东方科技集团股份有限公司 | Reflector plate and preparation method thereof, and backlight with reflector plate |
| CN105572962A (en) * | 2014-10-31 | 2016-05-11 | 爱思开哈斯显示用薄膜有限公司 | Film for enhancing color purity and correcting brightness, and liquid crystal display device comprising same |
| CN105759327A (en) * | 2016-04-21 | 2016-07-13 | Tcl海外电子（惠州）有限公司 | Diffusion plate, diffusion plate manufacturing method, backlight module and display apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019117860A1 (en) * | 2017-12-12 | 2019-06-20 | Hewlett-Packard Development Company, L.P. | Liquid crystal display lighting modes |
| US11029560B2 (en) | 2017-12-12 | 2021-06-08 | Hewlett-Packard Development Company, L.P. | Liquid crystal display lighting modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9644804B2 (en) | Quantum dot modulation for displays | |
| KR101473380B1 (en) | Display with rgb color filter element sets | |
| JP5837563B2 (en) | Green filter element | |
| EP2081077B1 (en) | Display device | |
| JP6334133B2 (en) | High color gamut LCD | |
| CN207198363U (en) | A kind of light guide plate, backlight module and display device | |
| CN206020885U (en) | Light conversion film, the backlight module containing the light conversion film and display device | |
| CN106483712A (en) | A kind of quantum dot membrane material structure and its application | |
| WO2014153856A1 (en) | Backlight module, liquid crystal display and backlight source drive control method | |
| JP2007304391A (en) | Color filter and liquid crystal display device | |
| CN106291789A (en) | A kind of reflector plate and preparation method thereof, backlight module, display device | |
| CN105372873B (en) | A kind of backlight module and display device | |
| JP2011118139A (en) | Color filter substrate and liquid crystal display apparatus | |
| CN206020884U (en) | Reflectance coating, the backlight module containing the reflectance coating and display device | |
| CN108073039A (en) | Blue color blocking, color membrane substrates, liquid crystal display and application | |
| CN103629603A (en) | High-brightness and wide-color-gamut direct type backlight module and liquid crystal display applying module | |
| TW201516095A (en) | Use of disazo compounds for color filters | |
| CN208689199U (en) | A kind of micro-crystal powder light guide plate assembly | |
| KR101319547B1 (en) | Halogen free ink composition for light guide plate and method of manufacturing thereof | |
| JP2017044791A (en) | Liquid crystal display device | |
| CN212752440U (en) | Solid-state masterbatch quantum dot diffuser plate structure of being shaded | |
| CN208724070U (en) | A kind of television set and its LCD display device | |
| CN208539950U (en) | A kind of mobile phone and its LCD display device | |
| CN115903096B (en) | Mixture for adjusting color coordinates of optical film, adjusting method and optical film | |
| CN205539849U (en) | Backlight and liquid crystal display module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination |