CN204497272U - The color plane display film of carbon quantum dot concentration regulation and control - Google Patents
The color plane display film of carbon quantum dot concentration regulation and control Download PDFInfo
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- CN204497272U CN204497272U CN201520219718.XU CN201520219718U CN204497272U CN 204497272 U CN204497272 U CN 204497272U CN 201520219718 U CN201520219718 U CN 201520219718U CN 204497272 U CN204497272 U CN 204497272U
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Abstract
The utility model discloses the color plane display film of a kind of carbon quantum dot concentration regulation and control, utilize the Photoluminescence that carbon quantum dot excitation wavelength relies on, by regulation and control carbon quantum dot doping content, realize the light that carbon quantum dot film sends different colours.Using carbon quantum dot as emitting layer material, ultraviolet source, as excitaton source, by the concentration of adjustment carbon quantum dot at polymethyl methacrylate mixed layer, is prepared the carbon quantum dot plane display film of CONCENTRATION DISTRIBUTION change, is realized patterning colorful light-emitting.The advantages such as the utility model light saturation is high, the life-span is long, and have nontoxic, preparation cost is low, environmental protection, in addition, the utility model product structure is simple, its manufacture method is easy to operate, can color, quantity, pattern according to actual needs, adjusts shape depth and the quantity of the groove on organic clear glass, realize the luminescence of multiple color, application surface is extremely wide.
Description
Technical field
The utility model relates to a kind of plane display film, is specifically related to the color plane display film of carbon quantum dot concentration regulation and control.
Background technology
Tradition display thin-film material mainly uses rare earth material (Eu
3+, Tb
3+deng), transition metal material and organic material thereof.Quantum dot, as the advanced luminescent material be widely used in recent years, compared with traditional display thin film phosphor, has the advantages such as luminous efficiency is higher, the purity of longer service life, color is good.Meanwhile, quantum dot can control the scope of emission spectrum by varying sized, shooting condition and kind, thus realizes the luminescence of display film particular color.But, nowadays the mainly heavy metal element quantum dot of quantum dot light emitting is applied to, as cadmium sulfide (CdS), cadmium selenide (CdSe), lead selenide (PbSe), antimony mercury (HgTe), vulcanized lead (PbS) etc.Show the shortcomings such as expensive, toxicity is large, contaminated environment, limit it and be widely used.
Through searching discovery, only have a small amount of about the report of carbon quantum dot as light-emitting phosphor material at present.Such as, in No. 201310030487.3 patents, carbon quantum dot fluorescent material is coated on blue-ray LED (as gallium nitride based LED), makes carbon quantum dot fluorescent material luminescence generated by light; In No. 201310267381.5 patents, carbon quantum dot luminescenjt powder is placed on luminescent layer or with luminescent layer luminescent material and mixes, luminous as carbon quantum dot excitaton source by other luminescent material in luminescent layer, realize carbon quantum dot fluorescent powder luminous.Use carbon quantum dot as LED electrical electroluminescent layer material in No. 201410161181.6 patents, by specific structure, make carbon quantum dot send white light and blue light.But, in the technical scheme in above patent, all there is the single shortcoming of glow color.
Utility model content
In order to shortcomings such as the heavy metal pollution overcoming traditional quantum dot display thin film phosphor are serious, toxicity is large, expensive, glow color is single, in order to solve above technical problem, the utility model proposes the color plane display film of a kind of carbon quantum dot concentration regulation and control, technical scheme is as follows:
The color plane display film of carbon quantum dot concentration regulation and control, forms primarily of heat radiation substrate, ultraviolet light active layer and carbon quantum dot luminescent layer; Described ultraviolet light active layer is made up of the gold thread 4 of both the ultraviolet light emitting device 5 be arranged on heat radiation substrate 1, electrode 3 and connection; Described carbon quantum dot luminescent layer is be fixed on carbon quantum dot display film above ultraviolet light active layer by adhesive, and it is by with reeded organic clear glass 6 and be positioned at the carbon quantum dot of groove and polymethyl methacrylate/chloroform mixed solution forms.
Described ultraviolet light active layer is encapsulated by filling gel; Described adhesive is silica gel; Described carbon quantum dot display film top layer passes through epoxy encapsulation.
Design principle of the present utility model:
The Photoluminescence that the utility model utilizes carbon quantum dot excitation wavelength to rely on, by regulation and control carbon quantum dot doping content, realizes the light that carbon quantum dot film sends different colours.Using carbon quantum dot as emitting layer material, ultraviolet source, as excitaton source, by the concentration of adjustment carbon quantum dot at polymethyl methacrylate mixed layer, is prepared the carbon quantum dot plane display film of CONCENTRATION DISTRIBUTION change, is realized patterning colorful light-emitting.
Compared with prior art, the beneficial effects of the utility model:
1, the luminescent material of carbon quantum dot (Carbon Quantum Dots, writes a Chinese character in simplified form CDs) as display film proposed herein.The advantages such as it not only possesses the luminescent properties of conventional semiconductors quantum dot, and as high in light saturation, life-span is long, and have nontoxic, preparation cost is low, the advantage of environmental protection.
2, color plane display membrane structure described in the utility model is simple, easy to operate, and carbon quantum dot shows the Photoluminescence that excitation wavelength relies on, so it shows distinctive phenomenon and good application prospect as luminescent material.
3, the utility model can color, quantity, pattern according to actual needs, and adjust shape depth and the quantity of the groove on organic clear glass, realize the luminescence of multiple color, application surface is extremely wide.
Accompanying drawing explanation
Fig. 1 carbon quantum dot utilizing emitted light spectrogram;
The multicolor luminous principle schematic of Fig. 2 carbon quantum dot display film;
Fig. 3 diameter is the utilizing emitted light spectrogram of 1.54nm carbon quantum dot variable concentrations;
The color plane display membrane structure figure of Fig. 4 carbon quantum dot concentration regulation and control;
The color plane display film schematic diagram of Fig. 5 carbon quantum dot concentration regulation and control;
Fig. 6 diameter is 1.54nm carbon quantum dot solution Electronic Speculum figure;
The reeded organic clear glass schematic diagram of Fig. 7 band;
Fig. 8 carbon quantum dot display film schematic diagram;
Fig. 9 ultraviolet light active layer schematic diagram.
In figure:
I-carbon quantum dot, II-polymethyl methacrylate/chloroformic solution;
1-heat radiation substrate, 2-silica gel, 3-electrode, 4-gold thread, 5-ultraviolet light emitting device, the organic clear glass of 6-, 7-carbon quantum dot and polymethyl methacrylate/chloroform mixed luminescence film, 8-epoxy resin.
Embodiment
Design principle of the present utility model and embodiment is further illustrated below in conjunction with Figure of description.
Design principle of the present utility model:
As shown in Figure 1, carbon quantum dot has the Photoluminescence that excitation wavelength relies on.As shown in Figure 2, the ultraviolet light induced exciting characteristic of carbon quantum dot and self-excitation, by adjusting its doping content, can realize the multicolor luminous of carbon quantum dot successively simultaneously.
As shown in Figure 3, use the carbon quantum dot that diameter is 1.54nm to prepare carbon quantum dot display film, after it is subject to ultraviolet excitation, send blue light when carbon quantum dot display film doping concentration is less than 22.88mg/mL ± 4.50mg/mL; When carbon quantum dot display film doping concentration is increased to 61.00mg/mL ± 8.35mg/mL, glow color changes green into by blueness; When carbon quantum dot display film doping concentration is increased to 104.57mg/mL ± 13.71mg/mL, glow color changes yellow into by green; When carbon quantum dot display film doping concentration is increased to 183.00mg/mL ± 21.52mg/mL, glow color is changed into orange by yellow; Finally, after carbon quantum dot display film doping concentration is increased to 281.54mg/mL ± 40.06mg/mL, glow color becomes redness.
Specific embodiment
The specific embodiment of the color plane display film of carbon quantum dot concentration regulation and control described in the utility model is as follows, but the utility model protection range is not limited to following examples.
As shown in Figure 4, Figure 5, the color plane display film of carbon quantum dot concentration regulation and control, forms primarily of heat radiation substrate, ultraviolet light active layer and carbon quantum dot luminescent layer; Described ultraviolet light active layer is made up of ultraviolet light emitting device 5, two electrodes 3 and gold thread 4, ultraviolet light emitting device 5 and two electrodes 3 are arranged on heat radiation substrate 1, two electrodes 3 lay respectively at ultraviolet light emitting device 5 both sides gold thread 4 and are connected by two electrode 3 ultraviolet light emitting device 5, and ultraviolet light active layer is encapsulated by filling gel.Described carbon quantum dot luminescent layer is carbon quantum dot display film, fix on above ultraviolet light active layer by adhesive silica gel solid, carbon quantum dot display film forms by with the carbon quantum dot in reeded organic clear glass 6 and groove and polymethyl methacrylate/chloroform (PMMA/Choloroform) mixed solution, wherein the thickness of organic clear glass is 2cm, the surface etch of organic clear glass 6 has five grooves, the degree of depth of groove is 4mm, in carbon quantum dot in described five grooves and polymethyl methacrylate/chloroform (PMMA/Choloroform) mixed solution, polymethyl methacrylate/chloroform (PMMA/Choloroform) concentration is 15%, carbon quantum dot solution average diameter is 1.54nm, concentration is respectively 22.88mg/mL, 61.00mg/mL, 104.57mg/mL, 183.00mg/mL, 281.54mg/mL, carbon quantum dot display film passes through epoxy encapsulation.
Claims (2)
1. the color plane display film of carbon quantum dot concentration regulation and control, is characterized in that: form primarily of heat radiation substrate, ultraviolet light active layer and carbon quantum dot luminescent layer; Described ultraviolet light active layer is made up of the gold thread (4) of both the ultraviolet light emitting device (5) be arranged on heat radiation substrate (1), electrode (3) and connection; Described carbon quantum dot luminescent layer is be fixed on carbon quantum dot display film above ultraviolet light active layer by adhesive, and it is by with reeded organic clear glass (6) and be positioned at the carbon quantum dot of groove and polymethyl methacrylate/chloroform mixed solution forms.
2. the color plane display film of carbon quantum dot concentration regulation and control as claimed in claim 1, is characterized in that: described ultraviolet light active layer is encapsulated by filling gel; Described adhesive is silica gel; Described carbon quantum dot display film passes through epoxy encapsulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520219718.XU CN204497272U (en) | 2015-04-13 | 2015-04-13 | The color plane display film of carbon quantum dot concentration regulation and control |
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| CN201520219718.XU CN204497272U (en) | 2015-04-13 | 2015-04-13 | The color plane display film of carbon quantum dot concentration regulation and control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504375A (en) * | 2018-12-12 | 2019-03-22 | 北京工业大学 | A kind of preparation and regulation method of high chromaticness fluorescent carbon nano dot |
| CN111073639A (en) * | 2018-10-18 | 2020-04-28 | 苏州星烁纳米科技有限公司 | Method for regulating and controlling emission peak wavelength of perovskite quantum dot-polymer complex |
-
2015
- 2015-04-13 CN CN201520219718.XU patent/CN204497272U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073639A (en) * | 2018-10-18 | 2020-04-28 | 苏州星烁纳米科技有限公司 | Method for regulating and controlling emission peak wavelength of perovskite quantum dot-polymer complex |
| CN111073639B (en) * | 2018-10-18 | 2023-11-14 | 苏州星烁纳米科技有限公司 | Method for regulating and controlling emission peak-to-peak wavelength of perovskite quantum dot-polymer complex |
| CN109504375A (en) * | 2018-12-12 | 2019-03-22 | 北京工业大学 | A kind of preparation and regulation method of high chromaticness fluorescent carbon nano dot |
| CN109504375B (en) * | 2018-12-12 | 2022-01-21 | 北京工业大学 | Preparation and regulation method of high-color-quality fluorescent carbon nanodots |
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Granted publication date: 20150722 Termination date: 20170413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |