CN204534303U - A kind of liquid crystal indicator and quantum dot backlight module - Google Patents
A kind of liquid crystal indicator and quantum dot backlight module Download PDFInfo
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- CN204534303U CN204534303U CN201520198453.XU CN201520198453U CN204534303U CN 204534303 U CN204534303 U CN 204534303U CN 201520198453 U CN201520198453 U CN 201520198453U CN 204534303 U CN204534303 U CN 204534303U
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Abstract
The utility model discloses a kind of liquid crystal indicator and quantum dot backlight module, wherein, quantum dot backlight module, it comprises leaded light component, quantum dot fluorescent tube and light supply apparatus, described quantum dot fluorescent tube and light supply apparatus are arranged on leaded light component side, described quantum dot fluorescent tube is Parabolic Boundary outside it, is packaged with strip quantum dot body along the Parabolic Boundary focus place on described quantum dot fluorescent tube length direction.The utility model is by improving back light module unit structure, quantum dot fluorescent tube has Parabolic Boundary, strip quantum dot body is encapsulated in Parabolic Boundary focal position, to be entered to inject light guide plate abreast by the light of this volume scattering of strip quantum dot after Parabolic Boundary reflection like this, thus avoid the feature that light energy losses has specular removal, high color purity, high colour gamut.
Description
Technical field
The utility model relates to field of liquid crystal display, particularly relates to a kind of liquid crystal indicator and quantum dot backlight module.
Background technology
Quantum dot (Quantum Dot) is at the nanometer semiconductor structure that exciton is held onto on three direction in spaces.Quantum dot, can be described as again nanocrystalline, is a kind of nano particle be made up of II-VI group or iii-v element.The particle diameter of quantum dot is generally between 1 ~ 10nm, and because electronics and hole are by quantum confinement, continuous print band structure becomes the discrete energy levels structure with molecular characterization, can emitting fluorescence after being excited.Therefore, quantum dot can produce highly purified different colours light, is applied to display field, and colour gamut can reach 100%, has high colour gamut; Color adjustment is flexible, and the size by changing quanta point material can realize the features such as different colours luminescence.
In prior art, also the backlight module of encapsulation quantum dot particle is had to apply in liquid crystal display, but existing structure due to introduce quantum dot particle device there is multiple interface, add the reflection of light, refraction and scattering, so cause light energy losses larger, luminous efficiency is not high, poor effect.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of liquid crystal indicator and quantum dot backlight module, is intended to solve the problems such as quantum dot backlight module light energy losses in prior art is large, luminous efficiency is not high, poor effect.
The technical solution of the utility model is as follows:
A kind of quantum dot backlight module, wherein, comprise leaded light component, quantum dot fluorescent tube and light supply apparatus, described quantum dot fluorescent tube and light supply apparatus are arranged on leaded light component side, described quantum dot fluorescent tube is Parabolic Boundary outside it, is packaged with strip quantum dot body along the Parabolic Boundary focus place on described quantum dot fluorescent tube length direction.
Described quantum dot backlight module, wherein, described quantum dot fluorescent tube comprises glass protection pipe and support, and described glass protection pipe is plane near the side of leaded light component, opposite side is Parabolic Boundary, and described strip quantum dot body is arranged on the focus place of glass protection pipe Parabolic Boundary; Described Bracket setting is outside glass protection pipe, and for support glass protection tube, described support is set to Parabolic Boundary near the side of glass protection pipe, and is close to the Parabolic Boundary of glass protection pipe.
Described quantum dot backlight module, wherein, has dug window at the Parabolic Boundary summit place of support.
Described quantum dot backlight module, wherein, described light supply apparatus is arranged on the window place of support.
Described quantum dot backlight module, wherein, described support is metallic support.
Described quantum dot backlight module, wherein, described light supply apparatus is LED light source.
A kind of liquid crystal indicator, comprises LCDs, wherein, also comprises quantum dot backlight module as above.
Described liquid crystal indicator, wherein, described quantum dot backlight module is arranged on below LCDs.
Beneficial effect: the utility model is by improving back light module unit structure, quantum dot fluorescent tube has Parabolic Boundary, strip quantum dot body is encapsulated in Parabolic Boundary focal position, to be entered to inject light guide plate abreast by the light of this volume scattering of strip quantum dot after Parabolic Boundary reflection like this, thus avoid the feature that light energy losses has specular removal, high color purity, high colour gamut.
Accompanying drawing explanation
Fig. 1 is the structural representation at a kind of quantum dot backlight module of the utility model preferred embodiment first visual angle.
Fig. 2 is the structural representation at a kind of quantum dot backlight module of the utility model preferred embodiment second visual angle.
Fig. 3 is the structural representation at a kind of quantum dot backlight module of the utility model preferred embodiment the 3rd visual angle.
Fig. 4 is the structural representation of a kind of liquid crystal indicator preferred embodiment of the utility model.
Detailed description of the invention
The utility model provides a kind of liquid crystal indicator and quantum dot backlight module, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the structural representation of a kind of quantum dot backlight module of the utility model preferred embodiment, it comprises leaded light component (only signal light guide plate 150), quantum dot fluorescent tube (comprises glass protection pipe 100, backlight module 130, support 140 and strip quantum dot body 110) and light supply apparatus 120, described quantum dot fluorescent tube and light supply apparatus 120 are arranged on leaded light component side, backlight module 130 is arranged on outside support 140, described quantum dot fluorescent tube is Parabolic Boundary outside it, Parabolic Boundary focus place along described quantum dot fluorescent tube length direction is packaged with strip quantum dot body 110.The symmetry axis of quantum dot fluorescent tube Parabolic Boundary is parallel with light guide plate 150.
In the present embodiment, because quantum dot fluorescent tube adopts Parabolic Boundary, so decrease the reflection of light, refraction and scattering, and strip quantum dot body 110 is arranged on Parabolic Boundary focal position, so according to paraboloidal reflexive property, the light being positioned at focus place, after Parabolic Boundary reflection, will be parallel to the injection of Parabolic Boundary symmetry axis, therefore light losing is less, realizes specular removal, high color purity and high colour gamut feature.
Leaded light component wherein can adopt conventional light guide modular construction, namely light guide plate 150, diffuser plate, brightening film sheet prism group, reflector composition is mainly contained, light guide plate 150, diffuser plate Main Function are that the light that light source is launched is sent to liquid crystal panel side uniformly, and the material of light guide plate 150, diffuser plate can be the materials such as acrylic acid, acryl, polycarbonate, poly-stupid second are rare, polypropylene; Brightness enhancement film is mainly made up of prismatic lens, and its major function is that the light launched by diffuser plate gives correcting, to increase luminous efficiency.Increment film main material is poly terephthalic acid class plastics, mainly comprises PET and polybutylene terephthalate; Reflector is arranged on the below of light guide plate, its Main Function be light reflection that light supply apparatus is launched on light guide plate, improve luminous efficiency, prevent light loss.The main material of reflector can be the material such as polyethylene or polyethylene terephthalate's resin.
Highlight down the structure of quantum dot fluorescent tube wherein and light supply apparatus below.
Described quantum dot fluorescent tube comprises glass protection pipe 100 and support 140; shown in composition graphs 2 and Fig. 3; described glass protection pipe 100 is plane near the side of leaded light component; opposite side (namely away from the side of leaded light component) is Parabolic Boundary, and described strip quantum dot body 110 is arranged on the focus place of glass protection pipe 100 Parabolic Boundary.
Described support 140 is arranged on outside glass protection pipe 100, for support glass protection tube 100, also can play thermolysis simultaneously.Described support 140 is set to Parabolic Boundary near the side of glass protection pipe 100, and is close to the Parabolic Boundary of glass protection pipe 100, and such support 140 can support glass protection pipe 100 completely.
In the utility model, strip quantum dot body 110 its be scattered in polymeric material by quanta point material, quanta point material is wherein made up of II-VI group or iii-v element, such as II-VI group can be selected, but is not limited to core and the shell of CdS, CdSe, CdTe, ZnS, ZnS, ZnSe, ZnTe, HgS, HgSe, HgTe composition; Iii-v can be selected, but is not limited to core and the shell of GaN, GaP, GaAs, ALN, AlP, AlP, AlAs, InN, InP, InAS, GaNP composition.Quanta point material, by after light source activation, sends fluorescence, can produce the light of highly purified different colours.
Dug window at the Parabolic Boundary summit place of support 140, the light that such light supply apparatus 120 sends will through window.
Accordingly, described light supply apparatus 120 is arranged on the window place of support 140, thus the light that light supply apparatus 120 is sent is irradiated in quantum dot fluorescent tube to greatest extent.Backlight module of the present utility model is that side is illuminated, and light supply apparatus 120 is placed in the side of light guide plate 150, is placed in by reflecting plate below light guide plate 150.Described light supply apparatus 120 is preferably LED light source, such as LED blue light-emitting diode, but is not limited to LED light source.
Further, described support 140 is preferably metallic support, to play thermolysis.
Based on above-mentioned quantum dot backlight module, the utility model also provides a kind of liquid crystal indicator, comprises LCDs 200, and as shown in Figure 4, it also comprises quantum dot backlight module as above.
Further, described quantum dot backlight module is arranged on below LCDs 200, for providing the backlight of high colour gamut, high brightness for LCDs 200.
In sum, the utility model is by improving back light module unit structure, quantum dot fluorescent tube has Parabolic Boundary, strip quantum dot body is encapsulated in Parabolic Boundary focal position, to be entered to inject light guide plate abreast by the light of this volume scattering of strip quantum dot after Parabolic Boundary reflection like this, thus avoid the feature that light energy losses has specular removal, high color purity, high colour gamut.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (8)
1. a quantum dot backlight module, it is characterized in that, comprise leaded light component, quantum dot fluorescent tube and light supply apparatus, described quantum dot fluorescent tube and light supply apparatus are arranged on leaded light component side, described quantum dot fluorescent tube is Parabolic Boundary outside it, is packaged with strip quantum dot body along the Parabolic Boundary focus place on described quantum dot fluorescent tube length direction.
2. quantum dot backlight module according to claim 1, it is characterized in that, described quantum dot fluorescent tube comprises glass protection pipe and support, described glass protection pipe is plane near the side of leaded light component, opposite side is Parabolic Boundary, and described strip quantum dot body is arranged on the focus place of glass protection pipe Parabolic Boundary; Described Bracket setting is outside glass protection pipe, and for support glass protection tube, described support is set to Parabolic Boundary near the side of glass protection pipe, and is close to the Parabolic Boundary of glass protection pipe.
3. quantum dot backlight module according to claim 2, is characterized in that, has dug window at the Parabolic Boundary summit place of support.
4. quantum dot backlight module according to claim 3, is characterized in that, described light supply apparatus is arranged on the window place of support.
5. quantum dot backlight module according to claim 2, is characterized in that, described support is metallic support.
6. quantum dot backlight module according to claim 1, is characterized in that, described light supply apparatus is LED light source.
7. a liquid crystal indicator, comprises LCDs, it is characterized in that, also comprise as arbitrary in claim 1-6 as described in quantum dot backlight module.
8. liquid crystal indicator according to claim 7, is characterized in that, described quantum dot backlight module is arranged on below LCDs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520198453.XU CN204534303U (en) | 2015-04-03 | 2015-04-03 | A kind of liquid crystal indicator and quantum dot backlight module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520198453.XU CN204534303U (en) | 2015-04-03 | 2015-04-03 | A kind of liquid crystal indicator and quantum dot backlight module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065986A (en) * | 2015-08-06 | 2015-11-18 | 北京工业大学 | Reflecting-type blue light LD backlight module |
| CN105114867A (en) * | 2015-08-31 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105353562A (en) * | 2015-12-14 | 2016-02-24 | 深圳市华星光电技术有限公司 | Quantum dot tube and liquid crystal display device |
| CN107065304A (en) * | 2017-05-19 | 2017-08-18 | 苏州星烁纳米科技有限公司 | A kind of quantum dot optical element and backlight module |
-
2015
- 2015-04-03 CN CN201520198453.XU patent/CN204534303U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065986A (en) * | 2015-08-06 | 2015-11-18 | 北京工业大学 | Reflecting-type blue light LD backlight module |
| CN105114867A (en) * | 2015-08-31 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105114867B (en) * | 2015-08-31 | 2017-08-29 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN105353562A (en) * | 2015-12-14 | 2016-02-24 | 深圳市华星光电技术有限公司 | Quantum dot tube and liquid crystal display device |
| WO2017101201A1 (en) * | 2015-12-14 | 2017-06-22 | 深圳市华星光电技术有限公司 | Quantum dot transistor and liquid crystal display device |
| CN105353562B (en) * | 2015-12-14 | 2017-06-27 | 深圳市华星光电技术有限公司 | Quantum dot pipe and liquid crystal display device |
| CN107065304A (en) * | 2017-05-19 | 2017-08-18 | 苏州星烁纳米科技有限公司 | A kind of quantum dot optical element and backlight module |
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