CN207233770U - Quantum dot LED and lamps and lanterns - Google Patents
Quantum dot LED and lamps and lanterns Download PDFInfo
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- CN207233770U CN207233770U CN201721015135.0U CN201721015135U CN207233770U CN 207233770 U CN207233770 U CN 207233770U CN 201721015135 U CN201721015135 U CN 201721015135U CN 207233770 U CN207233770 U CN 207233770U
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Abstract
LED encapsulation technologies field is the utility model is related to, is related to quantum dot LED and lamps and lanterns, quantum dot LED includes substrate and LED chip, fluorescence coating and quantum dot layer are provided with LED chip, only set above LED chip two layers, it is possible to reduce the glue-line on LED chip top, effectively improves light-out effect；Wherein fluorescence coating is made of adiabatic gum and fluorescent powder, is effectively isolated heat, ensures that quantum dot layer is normal；After LED chip shines, the fluorescent powder in fluorescence coating is excited, makes light-emitting phosphor, then light continues to be radiated in quantum dot layer, and excitation quantum point shines, and uses quanta point material, can effectively improve color developing effect；Lamps and lanterns include lamp holder, lamp stand, lamp cap and quantum dot LED, and lamps and lanterns have above-mentioned advantage compared with prior art.
Description
Technical field
LED encapsulation technologies field is the utility model is related to, in particular to quantum dot LED and lamps and lanterns.
Background technology
In recent years, the back light unit as liquid crystal display devices such as TV, monitors, the use of LED have obtained rapidly
Development.LED has become the light source of various uses (for example, the light source of back light unit or the light for commonly shining or illuminating
Source) mainstream.By the way that the LED chip of semiconductor type is installed in substrate and coats printing opacity tree to semiconductor type LED chip
Fat, LED is used in the form of packaging part, and the light-transmissive resin for LED encapsulation piece can be included according to the output that will be realized
The phosphor of the desired color of light.
But the color developing effect of LED of the prior art is poor.
Therefore it provides a kind of preferable quantum dot LED of color developing effect and lamps and lanterns to be solved as those skilled in the art
Important technological problems.
Utility model content
First purpose of the utility model is to provide a kind of quantum dot LED, poor to alleviate color developing effect in the prior art
Technical problem.
A kind of quantum dot LED provided by the utility model, including substrate and the LED chip on the substrate；
Fluorescence coating is provided with the top of the LED chip, quantum dot layer is provided with the top of the fluorescence coating.
Further, the upper surface of base plate is provided with the reflection sloping platform around the LED chip, and the reflection is oblique
Platform is in symmetry shape.
Further, the reflection sloping platform inner wall is provided with concaveconvex structure, and the concaveconvex structure is surrounded on the LED chip
Around.
Further, it is provided with connected unit at the top of the reflection sloping platform.
Further, it is provided with transparent rack in the connected unit.
Further, the rack side wall is provided with mounting groove.
Further, it is provided with light-transmitting plate in the mounting groove.
Further, the light-transmitting plate is sapphire plate, glass or plastics.
Further, the quantum dot layer outer wall is covered with layer of transparent glue-line.
Second purpose of the utility model is to provide a lamps and lanterns, is asked with alleviating the technology of color developing effect difference in the prior art
Topic.
A kind of lamps and lanterns provided by the utility model, including lamp holder, lamp stand, lamp cap and the quantum dot LED；
The lamp cap is connected by the lamp stand with the lamp holder, and the quantum dot LED is located inside the lamp cap.
Beneficial effect：
A kind of quantum dot LED provided by the utility model, including substrate and the LED chip on substrate, LED chip are set
Put on substrate, substrate is energized for LED chip, and when in use, LED chip can produce larger heat, pass through substrate
This heat can quickly be excluded, it is ensured that safety of the LED chip under long-time service, if the larger heat that LED chip produces
Cannot quickly it exclude, it will LED chip is impacted, or even directly damages LED chip；To improve the illuminating effect of LED light,
Fluorescence coating and quantum dot layer are provided with LED encapsulation structure in LED chip, fluorescence coating is directly contacted with LED chip, quantum dot layer
Positioned at top, only set above LED chip two layers, it is possible to reduce the glue-line on LED chip top, effectively improves out light efficiency
Fruit；Wherein fluorescence coating is made of adiabatic gum and fluorescent powder, can be effectively isolated heat, ensures the normal work of quantum dot layer；LED
After chip light emitting, the fluorescent powder in fluorescence coating is excited, makes light-emitting phosphor, then light continues to be radiated in quantum dot layer, swashs
Quantum dot light emitting is sent out, is combined by the three coloured light of LED chip-fluorescent powder-quantum dot three, the light of different colours can be formed
According to, and quanta point material is used, it can effectively improve color developing effect.
A kind of lamps and lanterns provided by the utility model, including lamp holder, lamp stand, lamp cap and quantum dot LED；Lamp cap by lamp stand with
Lamp holder connects, and quantum dot LED is located inside lamp cap, and lamps and lanterns have above-mentioned advantage compared with prior art, no longer superfluous herein to chat.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 2 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 3 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 4 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 5 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 6 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 7 is the another embodiment for the quantum dot LED that the utility model embodiment provides；
Fig. 8 is the another embodiment for the quantum dot LED that the utility model embodiment provides.
Icon：100- substrates；101- fluorescence coatings；102- quantum dot layers；200-LED chips；300- reflects sloping platform；
301- concaveconvex structures；302- connected units；400- transparent racks；500- light-transmitting plates；600- substratum transparents.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Fig. 1 is a kind of embodiment for the quantum dot LED that the utility model embodiment provides；Fig. 2 is real for the utility model
The another embodiment of the quantum dot LED of example offer is provided；Fig. 3 is the another of the quantum dot LED that the utility model embodiment provides
A kind of embodiment；Fig. 4 is the another embodiment for the quantum dot LED that the utility model embodiment provides；Fig. 5 is this practicality
The another embodiment for the quantum dot LED that new embodiment provides；Fig. 6 is the quantum dot that the utility model embodiment provides
The another embodiment of LED；Fig. 7 is the another embodiment for the quantum dot LED that the utility model embodiment provides；Fig. 8
The another embodiment of the quantum dot LED provided for the utility model embodiment.
A kind of quantum dot LED provided as Figure 1-Figure 8 for the utility model embodiment, including substrate 100 and be arranged on
LED chip 200 on substrate 100；The top of LED chip 200 is provided with fluorescence coating 101, and the top of fluorescence coating 101 is provided with quantum dot
Layer 102.
A kind of quantum dot LED that the utility model embodiment provides, including substrate 100 and the LED core on substrate 100
Piece 200, LED chip 200 are set on the substrate 100, and substrate 100 is energized for LED chip 200, and when in use, LED
Chip 200 can produce larger heat, can quickly be excluded this heat by substrate 100, it is ensured that LED chip 200 makes for a long time
Safety under, if the larger heat that LED chip 200 produces cannot be excluded quickly, it will LED chip 200 is impacted,
Even directly damage LED chip 200；To improve the illuminating effect of LED light, it is provided with LED chip 200 in LED encapsulation structure
Fluorescence coating 101 and quantum dot layer 102, fluorescence coating 101 are directly contacted with LED chip 200, and quantum dot layer 102 is located at top, only
Set two layers above LED chip 200, it is possible to reduce the glue-line on 200 top of LED chip, effectively improves light-out effect；Wherein
Fluorescence coating 101 is made of adiabatic gum and fluorescent powder, can be effectively isolated heat, ensures the normal work of quantum dot layer 102；LED
After chip 200 shines, the fluorescent powder in fluorescence coating 101 is excited, makes light-emitting phosphor, then light continues to be radiated at quantum dot layer
In 102, excitation quantum point shines, and is combined, can be formed by the three coloured light of LED chip 200- fluorescent powders-quantum dot three
The illumination of different colours, and quanta point material is used, it can effectively improve color developing effect.
It should be noted that only having two layers of coatings in LED chip 200, therefore the consumption of light can be effectively reduced, improved
The illuminating effect of LED.
Wherein, fluorescence coating 101 is made of adiabatic gum and fluorescent powder, so set can by quantum dot and LED chip 200 every
Leave, avoid the heat of LED chip 200 from impacting quantum dot.
Meanwhile in order to improve the service life of quantum dot, it can use barrier water oxygen glue that quantum dot is combined into quantum dot
Layer 102, can be effectively protected quanta point material by obstructing water oxygen glue, enable the work that quantum dot is permanently effective.
Meanwhile reflecting material can be set in the fluorescence coating 101, when LED chip 200 inspires light, light can the
One time was radiated on reflecting material, was then reflected by reflecting material, intensive light can will be concentrated to be separated, when light leads to
After crossing fluorescence coating 101, intensive uneven light can become uniform, and irradiating angle bigger, so as to improve the illumination effect of LED light
Fruit.
After the reflection of reflecting material, the irradiation of uniform light can be made on quantum dot layer 102, by uniformly shining
Penetrate, can effectively improve color developing effect.
Because water, oxygen have a great influence quantum dot powder material, or even cause quantum dot powder material to fail, therefore pass through resistance
Water proof oxygen glue combines quantum dot powder, and setting in this way can make quantum dot powder long-time normal use.
Wherein, stimulated whenever be subject to light or electricity, quantum dot powder will send coloured light, and the color of light is by quantum dot
The composition material and size shape of powder determine, if general particle is smaller, can absorb long wave, particle is bigger, can absorb shortwave.2 receive
The quantum dot of meter great little, can absorb the red of long wave, shows blueness, the quantum dot of 8 nanosizeds, the indigo plant of absorbable shortwave
Color, shows red.This characteristic enables quantum dot to change the light color that light source is sent.Therefore quantum dot layer is used
102- fluorescence coating 101-LED chips 200 can obtain default requirement.
Quantum dot is the nanocrystal of quasi-zero dimension at the same time, and between 2-10 nanometers, quantum dot is subject to electrically or optically crystal grain diameter
Stimulation the pure monochromatic light of the high quality of various different colours can be sent according to the diameter of quantum dot, therefore can carry
High color developing effect.
Quantum dot has narrow and symmetrical fluorescence emission peak, and without hangover, is not easy when color quantum point uses at the same time
Existing spectrum overlaps, it is possible to increase color developing effect.
Wherein, built-in microarray cavity is equipped with heat-radiating substrate 100, heat radiation working medium is filled in built-in microarray cavity, it is interior
It is built-in microarray cavity made of hot channel to put microarray cavity, and pipe thickness is 5 μm.
Meanwhile heat-radiating substrate 100 can be made of highly heat-conductive material, for example, by two kinds of diamond dusts according to quality
Ratio 7：3 with binding agent polyvinyl alcohol by volume 5：1 is uniformly mixed, and is put into cold isostatic press, and pressurize 400MPB, pressurize
5min, removes binding agent under inert gas conditions, is wrapped up with chromiumcopper powder and loads graphite jig, vacuumizes 20min, pressurizes
25MPB and in a manner of gradient increased temperature, is first heated to 600 DEG C with uniform programming rate 1min, keeps the temperature 1h, then uniformly to rise
Warm speed 1min is heated to 1150 DEG C, keeps the temperature 10min.Cooling procedure uses annealing process, is initially cooled to 600 DEG C, keeps the temperature 5h, then
Natural cooling, finally the sampling demoulding.HIP sintering is carried out to sample again, is forced into 400MPB, temperature is risen to by room temperature
1200 DEG C, soaking time 5h.Cooling procedure is handled using annealing process, is initially cooled to 600 DEG C, keeps the temperature 6h, then natural cooling
Sample is made.For consistency up to 99%, thermal conductivity is 750W/ (mk).
Wherein, substrate 100 can be aluminum nitride ceramic substrate 100, aluminium oxide ceramic substrate 100, gold base 100, silver-based
Plate 100, copper base 100, iron substrate 100, billon substrate 100, silver alloy substrate 100, copper alloy substrate 100, ferroalloy base
Any of plate 100, PPB substrates 100, PCT substrates 100, HTN substrates 100, EMC substrates 100 or SMC substrates 100.
In the alternative of the present embodiment, 100 upper surface of substrate is provided with the reflection sloping platform around LED chip 200
300, reflection sloping platform 300 is in symmetry shape.
100 upper surface of substrate is additionally provided with reflection sloping platform 300, and reflection sloping platform 300 is located at around LED chip 200, and reflects
The height of sloping platform 300 is 1-1.5 times of 200 height of LED chip.
When LED chip 200 works, the light of excitation can increase irradiating angle by reflecting sloping platform 300, improve out light efficiency
Rate, and change light-emitting angle, so as to improve illuminating effect.
In the alternative of the present embodiment, reflection 300 inner wall of sloping platform is provided with concaveconvex structure 301, and concaveconvex structure 301 is surround
Around LED chip 200.
During the use of LED light, it might have certain moisture and enter in LED packagings, the moisture meeting of entrance
The quality of LED chip 200 is influenced, therefore reflection 300 inner wall of sloping platform is provided with concaveconvex structure 301, concaveconvex structure 301 is surrounded on
Around LED chip 200, the moisture of entrance can be deposited in concaveconvex structure 301.
Specifically, concaveconvex structure 301 can be groove structure, i.e., 300 inner wall of reflection sloping platform is set fluted, and groove
Opening is smaller, the reflecting effect of the influence reflection sloping platform 300 of minimum degree.
In the alternative of the present embodiment, 300 top of reflection sloping platform is provided with connected unit 302.
Connected unit 302 is provided with the top of reflection 300 outer wall of sloping platform, can be set by connected unit 302 in reflection sloping platform 300
Other assemblies.
Specifically, offering ladder platform at the top of the outer wall of reflection sloping platform 300, this ladder platform is connected unit 302, is being connected
During miscellaneous part, connected unit 302 not only plays connection function, moreover it is possible to plays a supporting role.
In the alternative of the present embodiment, transparent rack 400 is provided with connected unit 302.
The transparent rack 400 for supporting anti-fluorescence coating 101 and quantum dot layer 102 is provided with connected unit 302, stent is set
It is transparent, improves light-out effect.
Wherein, fluorescence coating 101 and quantum dot layer 102 can be supported by transparent rack 400, can also be in encapsulation process
By aiding in mould bases to support, auxiliary mould bases is then removed.
Air port is offered on stent at the same time, when in use, extraneous air can be passed in and out by air port, to quantum dot LED
Cool down.
In the alternative of the present embodiment, rack side wall is provided with mounting groove.
In actual use, miscellaneous part can be set on transparent rack 400, therefore be provided with rack side wall
Mounting groove.
Mounting groove can be arranged to the groove of the other forms such as card slot, be as long as miscellaneous part can be installed by mounting groove
Can.
Light-transmitting plate 500 is provided with the alternative of the present embodiment, in mounting groove.
To improve the quality of quantum dot LED light, light-transmitting plate 500 can be set in mounting groove, can be with by light-transmitting plate 500
The light sent is more uniform.
In the alternative of the present embodiment, light-transmitting plate 500 is sapphire plate, glass or plastics.
Since LED light source is point light source, irradiating to be a bright spot afterwards, this amount point very little and very bright is very dazzling,
Be not easy to do room lighting light source, thus need with spread light-transmitting plate 500 by point light source intralamellar part occur repeatedly refraction after it is right
Light is disperseed, and allows point light source to be changed into area source, and since the organosilicon material in material can allow shaped article to produce necessarily
Mist degree, can cover point light source, which makes overall light efficiency become soft.
In the alternative of the present embodiment, 102 outer wall of quantum dot layer is covered with layer of transparent glue-line 600.
For protection LED chip 200, fluorescence coating 101 and quantum dot layer 102 so that its can long-term work, covered in its outer wall
It is stamped layer of transparent glue-line 600.
Substratum transparent 600 preferably can come quantum dot layer 102 with air exclusion, avoid oxygen and moisture in air
Quantum dot performance is influenced, on the other hand, silica gel can be preferably heat-insulated, can better ensure that the service life of quantum dot.
A kind of lamps and lanterns that the utility model embodiment provides, including lamp holder, lamp stand, lamp cap and quantum dot LED；Lamp cap passes through
Lamp stand is connected with lamp holder, and quantum dot LED is located inside lamp cap.
A kind of lamps and lanterns that the utility model embodiment provides, including lamp holder, lamp stand, lamp cap and quantum dot LED；Lamp cap passes through
Lamp stand is connected with lamp holder, and quantum dot LED is located inside lamp cap, and lamps and lanterns have above-mentioned advantage compared with prior art, herein not
Go to live in the household of one's in-laws on getting married and chat again.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. quantum dot LED, it is characterised in that including：Substrate and the LED chip on the substrate；Fluorescence coating is provided with the top of the LED chip, quantum dot layer is provided with the top of the fluorescence coating.
- 2. quantum dot LED according to claim 1, it is characterised in that the upper surface of base plate is provided with positioned at the LED The reflection sloping platform of chip circumference, the reflection sloping platform is in symmetry shape.
- 3. quantum dot LED according to claim 2, it is characterised in that the reflection sloping platform inner wall is provided with concaveconvex structure, The concaveconvex structure is surrounded on around the LED chip.
- 4. quantum dot LED according to claim 2, it is characterised in that be provided with connected unit at the top of the reflection sloping platform.
- 5. quantum dot LED according to claim 4, it is characterised in that be provided with transparent rack in the connected unit.
- 6. quantum dot LED according to claim 5, it is characterised in that the rack side wall is provided with mounting groove.
- 7. quantum dot LED according to claim 6, it is characterised in that be provided with light-transmitting plate in the mounting groove.
- 8. quantum dot LED according to claim 7, it is characterised in that the light-transmitting plate is sapphire plate, glass or modeling Material.
- 9. according to claim 1-8 any one of them quantum dots LED, it is characterised in that the quantum dot layer outer wall covered with Layer of transparent glue-line.
- 10. a kind of lamps and lanterns, it is characterised in that including lamp holder, lamp stand, lamp cap and claim 1-9 any one of them quantum dots LED；The lamp cap is connected by the lamp stand with the lamp holder, and the quantum dot LED is located inside the lamp cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721015135.0U CN207233770U (en) | 2017-08-14 | 2017-08-14 | Quantum dot LED and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721015135.0U CN207233770U (en) | 2017-08-14 | 2017-08-14 | Quantum dot LED and lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233770U true CN207233770U (en) | 2018-04-13 |
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ID=61857136
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721015135.0U Expired - Fee Related CN207233770U (en) | 2017-08-14 | 2017-08-14 | Quantum dot LED and lamps and lanterns |
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| Country | Link |
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| CN (1) | CN207233770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394028A (en) * | 2017-08-14 | 2017-11-24 | 天津中环电子照明科技有限公司 | Quantum dot LED and light fixture |
-
2017
- 2017-08-14 CN CN201721015135.0U patent/CN207233770U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394028A (en) * | 2017-08-14 | 2017-11-24 | 天津中环电子照明科技有限公司 | Quantum dot LED and light fixture |
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