CN208706676U - A kind of light emitting diode with scatter-type light-emitting surface - Google Patents

A kind of light emitting diode with scatter-type light-emitting surface Download PDF

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Publication number
CN208706676U
CN208706676U CN201821391522.9U CN201821391522U CN208706676U CN 208706676 U CN208706676 U CN 208706676U CN 201821391522 U CN201821391522 U CN 201821391522U CN 208706676 U CN208706676 U CN 208706676U
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China
Prior art keywords
light
emitting
scatter
heat
guide plate
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Active
Application number
CN201821391522.9U
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Chinese (zh)
Inventor
李勇
杨灵利
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Shenzhen Jiayou Photoelectric Co Ltd
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Shenzhen Jiayou Photoelectric Co Ltd
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Priority to CN201821391522.9U priority Critical patent/CN208706676U/en
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Abstract

The utility model discloses a kind of light emitting diodes with scatter-type light-emitting surface, including light-emitting diodes tube body, pedestal is provided on light-emitting diodes tube body, heat sink is installed on pedestal, light guide plate is equipped with by bracket above heat sink, heat posted mixture is installed on light guide plate, luminescence chip is installed on heat posted mixture, the first light-emitting surface is provided on luminescence chip, phosphor powder layer is coated on first light-emitting surface, first surface lens are connected with by adhesive layer on phosphor powder layer, the second light-emitting surface is provided with below heat sink, the second toroidal lens is connected with by adhesive layer on second light-emitting surface.The LED heat radiating is good, extends the service life of diode, reduces costs, and greatly improves LED lighting efficiency, so that light is not more evenly dazzling.

Description

A kind of light emitting diode with scatter-type light-emitting surface
Technical field
The utility model relates to light emitting diode, in particular to a kind of light emitting diode with scatter-type light-emitting surface belongs to In diode technologies field.
Background technique
After electric light source experienced these three stages of incandescent lamp, fluorescent lamp and high-intensity gas discharge lamp, present people are universal Think that light emitting diode (Light Emitting Diode, LED) light source is most promising new light sources, by multiple LED With the light emission luminance that multiple combinations form high power light source the advantages that big, good directionality, fast reflection speed, it is often more important that LED In power consumption and there is huge superiority in terms of the service life.With being constantly progressive for LED manufacture technology, light efficiency is constantly soaring, cuts Only the light efficiency of current large power white light LED has reached 100lm/W, and stable product light efficiency also has 90lm/W or more.This light efficiency So that LED using more and more extensive, including in widely used backlight source domain and i.e. by the common of large-scale application Lighting area.
Although LED light source long service life, low in energy consumption, since the light of the sending of LED is in certain solid angle Interior distribution, and for planar light source, upper and lower surfaces are planes, and the light by there are many occurs since incidence angle is excessive Total reflection, this will be such that the light of part consumes inside optical material, so that the light of this part is wasted, so that light The raising limitation of effect, is also unfavorable for energy-saving and environment-friendly theory.So just needing to increase on LED light source to pass through secondary optics The planar light source device of even multiple optical design is designed to improve the illuminance uniformity of LED light source, brightness uniformity and disappear Except dazzle, visual adaptability is improved, is allowed to the application suitable for planar light source.Method more commonly used at present is in white light LEDs Light guide plate or diffusing reflection transparent material etc. are covered above array, the shortcomings that these methods is that light utilization efficiency is lower, so as to cause lamp The advantages of whole light efficiency of tool is lower, does not play LED light source.
Utility model content
The technical problems to be solved in the utility model is to overcome existing light emitting diode dazzle, light utilization efficiency are lower to lack It falls into, a kind of light emitting diode with scatter-type light-emitting surface is provided.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of light emitting diode with scatter-type light-emitting surface, including light-emitting diodes tube body, institute It states and is provided with pedestal on light-emitting diodes tube body, heat sink is installed on the pedestal, is pacified above the heat sink by bracket Equipped with light guide plate, heat posted mixture is installed on the light guide plate, luminescence chip, the luminous core are installed on the heat posted mixture On piece is provided with the first light-emitting surface, and phosphor powder layer is coated on first light-emitting surface, passes through adhesive layer on the phosphor powder layer First surface lens are connected with, the second light-emitting surface is provided with below the heat sink, passes through gluing on second light-emitting surface Layer is connected with the second toroidal lens.
As a preferred technical solution of the utility model, the material of the first surface lens and the second toroidal lens Matter is polymethyl methacrylate.
As a preferred technical solution of the utility model, the heat posted mixture is hot adhesion epoxy film.
As a preferred technical solution of the utility model, the adhesive layer is epoxy resin.
As a preferred technical solution of the utility model, the heat sink is opposite with light guide plate to be additionally provided with fin on one side Piece group.
The utility model beneficial effect achieved is: the LED heat radiating is good, and extend diode uses the longevity Life, reduces costs, greatly improves LED lighting efficiency, so that light is not more evenly dazzling.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic cross-sectional view of the utility model;
Fig. 2 is the overlooking structure diagram of the utility model;
In figure: 1, light-emitting diodes tube body;2, heat sink;3, pedestal;4, first surface lens;5, phosphor powder layer;6, One light-emitting surface;7, luminescence chip;8, heat posted mixture;9, light guide plate;10, the second light-emitting surface;11, the second toroidal lens;12, it props up Frame.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1:
As shown in Figs. 1-2, the utility model provides a kind of light emitting diode with scatter-type light-emitting surface, including luminous two Pole pipe ontology 1 is provided with pedestal 3 on light-emitting diodes tube body 1, heat sink 2 is equipped on pedestal 3, passes through branch above heat sink 2 Frame 12 is equipped with light guide plate 9, and heat posted mixture 8 is equipped on light guide plate 9, luminescence chip 7 is equipped on heat posted mixture 8, and shine core It is provided with the first light-emitting surface 6 on piece 7, phosphor powder layer 5 is coated on the first light-emitting surface 6, is connected on phosphor powder layer 5 by adhesive layer There are first surface lens 4, the lower section of heat sink 2 is provided with the second light-emitting surface 10, connects on the second light-emitting surface 10 by adhesive layer There is the second toroidal lens 11.
The material of first surface lens 4 and the second toroidal lens 11 is polymethyl methacrylate, enables to light guide plate 9 Interior beam projecting be easier and more evenly;Heat posted mixture 8 be hot adhesion epoxy film, can high efficiency and heat radiation, perfect heat-dissipating;Glue Glutinous layer is epoxy resin, and viscous stickiness is good, can effectively prevent oxidation;Heat sink 2 is opposite with light guide plate 9 to be additionally provided with fins group on one side, Further increase heat dissipation performance.
Specifically, when in use, phosphor powder layer 5 can be excited by the light that luminescence chip 7 is issued, and and luminescence chip 7 light issued cooperatively form white light, and heat sink 2 can radiate to light-emitting diodes tube body 1, while heat posted mixture 8 is hot sticky Tie epoxy film, can high efficiency and heat radiation, substantially prolong the service life of light-emitting diodes tube body 1.
The utility model beneficial effect achieved is: the LED heat radiating is good, and extend diode uses the longevity Life, reduces costs, greatly improves LED lighting efficiency, so that light is not more evenly dazzling.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of light emitting diode with scatter-type light-emitting surface, including light-emitting diodes tube body (1), which is characterized in that described It is provided on light-emitting diodes tube body (1) pedestal (3), is equipped with heat sink (2) on the pedestal (3), on the heat sink (2) Side is equipped with light guide plate (9) by bracket (12), is equipped with heat posted mixture (8) on the light guide plate (9), the heat posted mixture (8) it is equipped on luminescence chip (7), is provided with the first light-emitting surface (6) on the luminescence chip (7), first light-emitting surface (6) On be coated with phosphor powder layer (5), first surface lens (4), the heat dissipation are connected with by adhesive layer on the phosphor powder layer (5) It is provided with below plate (2) the second light-emitting surface (10), the second curved surface is connected with by adhesive layer on second light-emitting surface (10) Lens (11).
2. a kind of light emitting diode with scatter-type light-emitting surface according to claim 1, which is characterized in that described first The material of toroidal lens (4) and the second toroidal lens (11) is polymethyl methacrylate.
3. a kind of light emitting diode with scatter-type light-emitting surface according to claim 1, which is characterized in that the heat posted Mixture (8) is hot adhesion epoxy film.
4. a kind of light emitting diode with scatter-type light-emitting surface according to claim 1, which is characterized in that the gluing Layer is epoxy resin.
5. a kind of light emitting diode with scatter-type light-emitting surface according to claim 1, which is characterized in that the heat dissipation Plate (2) is opposite with light guide plate (9) to be additionally provided with fins group on one side.
CN201821391522.9U 2018-08-24 2018-08-24 A kind of light emitting diode with scatter-type light-emitting surface Active CN208706676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821391522.9U CN208706676U (en) 2018-08-24 2018-08-24 A kind of light emitting diode with scatter-type light-emitting surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821391522.9U CN208706676U (en) 2018-08-24 2018-08-24 A kind of light emitting diode with scatter-type light-emitting surface

Publications (1)

Publication Number Publication Date
CN208706676U true CN208706676U (en) 2019-04-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821391522.9U Active CN208706676U (en) 2018-08-24 2018-08-24 A kind of light emitting diode with scatter-type light-emitting surface

Country Status (1)

Country Link
CN (1) CN208706676U (en)

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