CN207065292U - Quantum dot backlight module and display - Google Patents
Quantum dot backlight module and display Download PDFInfo
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- CN207065292U CN207065292U CN201720918640.XU CN201720918640U CN207065292U CN 207065292 U CN207065292 U CN 207065292U CN 201720918640 U CN201720918640 U CN 201720918640U CN 207065292 U CN207065292 U CN 207065292U
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- quantum dot
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Abstract
The utility model provides a kind of quantum dot backlight module, including lamp bar, lamp bar includes substrate, the blue-ray LED electrically connected on substrate and with substrate, and on substrate and the blue light that covers at blue-ray LED periphery so that blue-ray LED to be sent is combined into the quantum dot lens of white light, quantum dot lens include lens body and quantum dot, and quantum dot is mutually merged and is integrally formed with lens body.The utility model additionally provides a kind of display, including above-mentioned quantum dot backlight module.Quantum dot backlight module provided by the utility model, it is integrally formed by the way that quantum dot lens are mixed by quantum dot and polymethyl methacrylate, so that the quantum dot lens processing technology is simple, cost is low.
Description
Technical field
The utility model belongs to backlighting technology field, more specifically, be related to a kind of quantum dot backlight module and
Display.
Background technology
With making constant progress for Display Technique, requirement more and more higher of the mankind for display, to the clear of display
Degree, also the colorful one vividness require also more and more higher.Technology of quantum dots is used in display, colour gamut can be reached
More than 100%, color is more abundant, bright-coloured and true to nature.Quantum dot displays in the market are using side entering type amount
Son point backlight module, it includes lamp bar, and lamp bar includes substrate, blue-ray LED and lens, and blue-ray LED sends blue light, the inside of lens
Be filled with quantum dot with cavity, in cavity, so as to make the effect that light colour gamut reaches 100% by quantum dot.It is but this
Scheme needs to mold cavity in lens interior, and its processing technology is complicated, and cost is high.
Utility model content
The purpose of this utility model is to provide a kind of quantum dot backlight module and display, to solve to deposit in the prior art
The lamp bar of side entering type quantum dot backlight module need in its lens interior molding cavity to cause lens to add to place quantum dot
The high technical problem of work complex process, cost.
To achieve the above object, the technical solution adopted in the utility model is：A kind of quantum dot backlight module is provided, is wrapped
Lamp bar is included, the lamp bar includes substrate, and the blue-ray LED electrically connected on the substrate and with the substrate, the amount
Son point backlight module also includes being located on the substrate and cover at the blue-ray LED periphery to send the blue-ray LED
Blue light is combined into the quantum dot lens of white light, and the quantum dot lens include lens body and quantum dot, the quantum dot and institute
Lens body is stated mutually to merge and be integrally formed.
Preferably, the lens body is made up of polymethyl methacrylate materials.
Further, formed with plane of light incidence and beam projecting face, the plane of light incidence on the quantum dot lens
And the center in the beam projecting face is respectively positioned on the central axis of the quantum dot lens.
Further, the position that the blue-ray LED is corresponded on the quantum dot lens offers the receiving blue-ray LED
Groove, the inner surface of the groove is the plane of light incidence.
Preferably, the plane of light incidence is circular conical surface, and the beam projecting face is hemisphere face, and the blue-ray LED is located at
At the centre of sphere in the beam projecting face.
Preferably, the quantum dot lens are further opened with the center of the beam projecting face and for increasing the amount
The coniform expansion perforation of son point lens lighting angle, the diameter for expanding perforation are gradual from the quantum dot lens interior to outside
Expand.
Further, if the quantum dot lens are provided with dry glue angle, the quantum dot lens are fixed on institute by Jiao Jiao
State on substrate.
Further, the quantum dot backlight module also includes backboard, the diffuser plate in the backboard, located at described
Reflector plate between diffuser plate and the backboard, and the blooming piece and center of the light emission side located at the diffuser plate, it is described
Lamp bar is on the backboard and positioned at the incident side of the diffuser plate.
The beneficial effect of quantum dot backlight module provided by the utility model is：Compared with prior art, this practicality is new
The quantum dot backlight module of type is by the settings of quantum dot lens, and quantum dot lens are mutually melted by quantum dot and lens body
Merging is integrally formed, so, when making quantum dot lens, it is only necessary to which quantum dot and lens body mix, then one
Injection molding so that the simple production process of quantum dot lens, it is simple for assembly process, and the blue light that blue-ray LED is sent can
It is in white light to be combined by quantum dot lens so that the quantum dot backlight module can provide uniform light and colour gamut reaches 100%
Light source.
The utility model additionally provides a kind of display, including above-mentioned quantum dot backlight module.
The beneficial effect of display provided by the utility model is：Compared with prior art, display of the present utility model
Device is by using above-mentioned quantum dot backlight module, and the quantum dot backlight module can provide uniform light and colour gamut reaches
100% light source so that the picture color that the display is shown is more abundant, bright-coloured and true to nature.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the lamp bar for the quantum dot backlight module that the utility model embodiment provides；
Fig. 2 is the schematic cross-sectional view of lamp bar in Fig. 1；
Fig. 3 is another embodiment schematic diagram of lamp bar provided by the utility model；
Fig. 4 is the decomposing schematic representation for the display that the utility model embodiment provides；
Fig. 5 is the Making programme figure for the quantum dot lens that the utility model embodiment provides.
Wherein, each reference in figure：
1- backboards；2- lamp bars；3- reflector plates；4- diffuser plates；5- blooming pieces；6- centers；7- display panels；8- surface frames；
21- substrates；22- blue-ray LEDs；23- quantum dot lens；24- Jiao Jiao；231- planes of light incidence；232- beam projectings face；233- is recessed
Groove；234- expands perforation.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
The orientation of the instruction such as " on ", " under ", " top ", " bottom " " interior ", " outer " or position relationship are it is to be appreciated that term
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
Also referring to Fig. 1 and Fig. 2, now quantum dot backlight module provided by the utility model is illustrated.The quantum
Point backlight module includes being used for luminous lamp bar 2, and lamp bar 2 includes substrate 21, blue-ray LED 22 and quantum dot lens 23, substrate 21
In strip, the inside of substrate 21 is provided with circuit and electrically connected with the mainboard of display, and blue-ray LED 22 is uniformly distributed in substrate 21
On, and blue-ray LED 22 electrically connects with substrate 21, blue-ray LED 22 is used to send blue light, and quantum dot lens 23 are located on substrate 21 simultaneously
The periphery of blue-ray LED 22 is covered at, quantum dot lens 23 are used to the blue light that blue-ray LED 22 is sent being combined into white light, specifically, amount
Son point lens 23 include lens body (not shown) and quantum dot (not shown), and quantum dot and lens body are mutual
It is merged and is integrally formed.
Quantum dot backlight module provided by the utility model, compared with prior art, quantum dot backlight of the present utility model
Module by the settings of quantum dot lens 23, and quantum dot lens 23 mutually merged by quantum dot and lens body and integrally into
Type, so, when making quantum dot lens 23, it is only necessary to which quantum dot and lens body mix, then integrated injection molding
So that the simple production process of quantum dot lens 23, it is simple for assembly process, and the blue light that sends of blue-ray LED 22 can be by
It is in white light that quantum dot lens 23, which combine, so that the quantum dot backlight module can provide uniform light and colour gamut reaches 100%
Light source.
Preferably as a kind of embodiment of quantum dot backlight module provided by the utility model, said lens
Body is made up of polymethyl methacrylate (i.e. PMMA) material, and PMMA is a kind of plastic macromolecule material, and it has crystal
As transparency, light transmittance reaches more than 92%, and light is soft, optical clarity, PMMA easy dyeings, by the way that quantum dot is mixed into it
In with regard to the quantum dot lens 23 of yellow can be formed, blue light is combined into colour gamut by the quantum dot lens 23 of yellow and reaches 100%
White light source.In addition, PMMA has the characteristics of chemical stability and easy processing, therefore material PMMA is as quantum dot lens 23
Lens basis effect it is preferable.Certainly, in other embodiment of the present utility model, said lens body can also use other
Transparent material is made, and does not do unique restriction herein.
Further, Fig. 1 and Fig. 2 is referred to, one kind as quantum dot backlight module provided by the utility model is specific
Embodiment, above-mentioned quantum dot lens 23 are in rotational-like, are gone out on quantum dot lens 23 formed with plane of light incidence 231 and light
Penetrate face 232, the center in plane of light incidence 231 and beam projecting face 232 is respectively positioned on the central axis of quantum dot lens 23, this
Sample so that it is all equally distributed that light, which is either injected quantum dot lens 23 and still projected from quantum dot lens 23, and is caused
The lighting angle of quantum dot lens 23 is amplified, and then not needing multiple quantum dot lens to increase lighting angle to enter
And reach the effect for saving quantum dot cost.Meanwhile the light that sends of blue-ray LED 22 first passes through plane of light incidence 231 and carries out the
Light is broken up so that light becomes uniform, then is converted into having by light by the quantum dot inside quantum dot lens 23
There is the light of 100% colour gamut, light finally is carried out into the second side by beam projecting face 232 again breaks up so that light is further
Become uniform.
Further, referring to Fig. 2, a kind of specific embodiment party as quantum dot backlight module provided by the utility model
Formula, the position that blue-ray LED 22 is corresponded on above-mentioned quantum dot lens 23 offer the groove 233 for accommodating blue-ray LED 22, groove 233
Inner surface be plane of light incidence 231, the design of groove 233, it is whole to cause that blue-ray LED 22 not only is placed in into groove 233
The volume of lamp bar 2 is reduced, while the inner surface of groove 233 increases the area of plane of light incidence 231 so that blue-ray LED 22 is sent out
Diffusing reflection occurs at plane of light incidence 231 for the light gone out, so that light is more uniform.
Further, referring to Fig. 2, a kind of specific embodiment party as quantum dot backlight module provided by the utility model
Formula, above-mentioned plane of light incidence 231 are circular conical surface, and beam projecting face 232 is hemisphere face, and blue-ray LED 22 is located at beam projecting face 232
The centre of sphere at, plane of light incidence 231 is arranged to circular conical surface first so that the refraction angle of plane of light incidence 231 is larger, from
And allow Ray Of Light to be diffusely reflected out multi beam light, so that light is more, then by beam projecting face 232
It is arranged to hemisphere face, and causes blue-ray LED 22 at the centre of sphere in beam projecting face 232, so that from quantum dot lens 23
The light of outgoing is spread out from the angular range of 180 degree, and then make it that the lighting angle of quantum dot lens 23 is big, and light is equal
It is even.
In other embodiment of the present utility model, referring to Fig. 3, above-mentioned quantum dot lens 23 are further opened with being located at light
The center of exit facet 232 and the coniform expansion perforation 234 for increasing the lighting angle of quantum dot lens 23, expand the diameter of perforation 234
Gradually expand from the body interior of quantum dot lens 23 to outside, if the inner surface for expanding perforation 234 is diffusingsurface, by expanding perforation
234 design, the light in the middle part of diffusingsurface can be reflexed to the marginal position of diffusingsurface, so as to expand lighting angle to cause
The overall light-out effect of quantum dot lens 23 is more uniformly distributed.
Further, Fig. 1 and Fig. 2 is referred to, one kind as quantum dot backlight module provided by the utility model is specific
Embodiment, if above-mentioned quantum dot lens 23 are provided with dry glue angle 24, quantum dot lens 23 are fixed on substrate 21 by glue angle 24
On, so, not only cause quantum dot lens 23 to can be good at fixing on the base plate (21, while also so that after quantum dot lens 23
Continuous dismounting is simple.
Further, referring to Fig. 4, a kind of specific embodiment party as quantum dot backlight module provided by the utility model
Formula, above-mentioned quantum dot backlight module also include backboard 1, diffuser plate 4, reflector plate 3, blooming piece 5 and center 6, backboard 1 and center
6 are used to lamp bar 2, diffuser plate 4, reflector plate 3 and blooming piece 5 being fixedly installed togather, and diffuser plate 4 is in backboard 1, diffusion
Plate 4 is used to spread out the light that lamp bar 2 is sent, and reflector plate 3 is located between diffuser plate 4 and backboard 1, and reflector plate 3 is used for will
Light is launched to diffuser plate 4, and blooming piece 5 and center 6 are located at the light emission side (being the right side in Fig. 4) of diffuser plate 4, optics
Diaphragm 5 is used to light is further spread and corrected so that light distribution is more uniform, and lamp bar 2 is on backboard 1
And positioned at the incident side of diffuser plate 4.
The utility model additionally provides a kind of display, referring to Fig. 4, display include display panel 7, surface frame 8 and on
Quantum dot backlight module is stated, quantum dot backlight module is connected with display panel 7, and surface frame 8 is used for fixed display panel 7.This practicality
New display is by using above-mentioned quantum dot backlight module so that the picture color that the display is shown is richer
It is rich, bright-coloured and true to nature.
Referring to Fig. 5, the utility model additionally provides a kind of preparation method of quantum dot lens 23, comprise the following steps：
S1：Quantum dot is added in polymethyl methacrylate materials, and both are melted and is mixed into quantum dot lens 23
Raw material；S2：The raw material of quantum dot lens 23 is molded into mould, forms quantum dot lens 23.Quantum provided by the utility model
The point preparation method of lens 23, by mixing quantum dot and polymethyl methacrylate materials and to be integrally formed out quantum dot saturating
Mirror, its processing technology is simple, and cost is low.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. quantum dot backlight module, including lamp bar, the lamp bar includes substrate, and on the substrate and with the substrate
The blue-ray LED of electrical connection, it is characterised in that the quantum dot backlight module also includes on the substrate and covered at described
Blue-ray LED periphery is combined into the quantum dot lens of white light with the blue light for sending the blue-ray LED, and the quantum dot lens include
Lens body and quantum dot, the quantum dot are mutually merged and are integrally formed with the lens body.
2. quantum dot backlight module as claimed in claim 1, it is characterised in that the lens body is by poly-methyl methacrylate
Ester material is made.
3. quantum dot backlight module as claimed in claim 2, it is characterised in that enter on the quantum dot lens formed with light
Penetrate face and beam projecting face, the center in the plane of light incidence and the beam projecting face is respectively positioned in the quantum dot lens
On mandrel line.
4. quantum dot backlight module as claimed in claim 3, it is characterised in that correspond to the blue light on the quantum dot lens
LED position offers the groove for accommodating the blue-ray LED, and the inner surface of the groove is the plane of light incidence.
5. quantum dot backlight module as claimed in claim 4, it is characterised in that the plane of light incidence is circular conical surface, described
Beam projecting face is hemisphere face, and the blue-ray LED is at the centre of sphere in the beam projecting face.
6. quantum dot backlight module as claimed in claim 5, it is characterised in that the quantum dot lens are further opened with being located at institute
The coniform expansion perforation for increasing the quantum dot lens lighting angle is stated at the center of beam projecting face and is used for, the expansion perforation
Diameter gradually expands from the quantum dot lens interior to outside.
7. quantum dot backlight module as claimed in claim 6, it is characterised in that if the quantum dot lens are provided with dry glue
Angle, the quantum dot lens are fixed on the substrate by Jiao Jiao.
8. quantum dot backlight module as claimed in claim 7, it is characterised in that the quantum dot backlight module also includes the back of the body
Plate, the diffuser plate in the backboard, the reflector plate between the diffuser plate and the backboard, and located at the expansion
The blooming piece and center of the light emission side to fall apart, the lamp bar is on the backboard and positioned at the incident side of the diffuser plate.
9. display, it is characterised in that including the quantum dot backlight module described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918640.XU CN207065292U (en) | 2017-07-26 | 2017-07-26 | Quantum dot backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918640.XU CN207065292U (en) | 2017-07-26 | 2017-07-26 | Quantum dot backlight module and display |
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| Publication Number | Publication Date |
|---|---|
| CN207065292U true CN207065292U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720918640.XU Active CN207065292U (en) | 2017-07-26 | 2017-07-26 | Quantum dot backlight module and display |
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| CN (1) | CN207065292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246563A (en) * | 2017-07-26 | 2017-10-13 | 合肥惠科金扬科技有限公司 | Quantum dot backlight module, display and quantum dot lens making methods |
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2017
- 2017-07-26 CN CN201720918640.XU patent/CN207065292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246563A (en) * | 2017-07-26 | 2017-10-13 | 合肥惠科金扬科技有限公司 | Quantum dot backlight module, display and quantum dot lens making methods |
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