CN207796576U - A kind of efficient UVLED integrated optical sources - Google Patents

Abstract

The utility model discloses a kind of efficient UVLED integrated optical sources, the efficient UVLED integrated optical sources include substrate and the first lens, multiple UV LED chips are packaged on the substrate, it is wrapped in the UV LED chip outside first lens, and is encapsulated on the substrate together with first lens and the UV LED chip.The utility model can be realized under conditions of cost-effective, control product service life is unaffected so that the luminous efficiency of UVLED integrated optical sources is improved, then so that the output of optical energy density is improved.

Description

A kind of efficient UVLED integrated optical sources

Technical field

The utility model is related to lighting technical fields, and in particular to a kind of efficient UVLED integrated optical sources.

Background technology

As the whole society is to the increasingly strict of environmental requirement, UVLED as novel energy conservation and environmental protection UV photocuring light sources, by It is praised highly to market, occurs many correlation UVLED products in the market.Mainly use will seal existing commercially available UVLED light source products On the UVLED lamp bead patches to substrate installed and UV LED chip is potted directly on substrate (COB) two ways, both sides Formula has there are some drawbacks, such as heat conduction, the problems such as luminous efficiency is low, which results in UVLED products in market using upper By some restrictions.The high power UVLED products of industrial use are substantially mainly gone back no longer by the way of lamp bead patch at present It is to be packaged using the more advantageous COB modes of technology.

Existing product substantially uses to reach the demand that user exports bloom energy density and greatly improves chip Arranging density on substrate is realized.Although this mode can improve a part of luminous efficiency but the thing followed is cost The increase being substantially increased with light source electrical power, with the increase of electrical power can directly result in UVLED light sources temperature promoted from Caused by light source product light decay aggravation, reduce the service life of product.

Obviously, above-mentioned undesirable to reach the means of extensive style that the output of bloom energy density is taken, it needs thus pair UVLED light source products in the prior art just improve.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of efficient UVLED integrated optical sources, existing for solving The problem of in technology to improve the of high cost and short life caused by optical energy density output.

For this purpose, embodiment according to the present utility model, the efficient UVLED integrated optical sources include：

Substrate is packaged with multiple UV LED chips on the substrate；

First lens, first lens are wrapped in the UV LED chip, and first lens and the UVLED cores outside Piece is encapsulated into together on the substrate.

In addition, can also include following additional technical feature according to the efficient UVLED integrated optical sources in above-described embodiment.

As the further alternative of the efficient UVLED integrated optical sources, the substrate uses composite heat-conducting substrate.

As the further alternative of the efficient UVLED integrated optical sources, first lens and the UV LED chip It is arranged in a one-to-one correspondence.

As the further alternative of the efficient UVLED integrated optical sources, the substrate surface is uniformly provided with multiple envelopes Position is filled, the UV LED chip and first lens packages are on the encapsulation position.

As the further alternative of the efficient UVLED integrated optical sources, first lens are packaged lens.

As the further alternative of the efficient UVLED integrated optical sources, the efficient UVLED integrated optical sources further include Second lens, second lens are located on the light transmission path of first lens.

As the further alternative of the efficient UVLED integrated optical sources, second lens are located at described first thoroughly The lower section of mirror.

As the further alternative of the efficient UVLED integrated optical sources, second lens are cylindrical lenses.

As the further alternative of the efficient UVLED integrated optical sources, second lens are connected with substrate.

As the further alternative of the efficient UVLED integrated optical sources, the efficient UVLED integrated optical sources further include Frame, the frame limit accommodating chamber, and the substrate, first lens and second lens are arranged in the accommodating chamber It is interior.

The beneficial effects of the utility model：

According to the efficient UVLED integrated optical sources in above example, since the first lens are encapsulated into together with UV LED chip On substrate, and the first lens are to be wrapped in UV LED chip and existing, the light energy that may make UV LED chip to be sent out so outside It is enough to be polymerize by the first lens, to improve the luminous efficiency of UV LED chip, then improve the output of optical energy density. In addition, the above-mentioned setting of UV LED chip and the first lens so that just real in the case where UV LED chip quantity need not be increased The output for having showed bloom energy density has saved cost compared with traditional technology, controls the service life of product.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows a kind of side view of the efficient UVLED integrated optical sources provided according to the utility model embodiment；

Fig. 2 shows a kind of upward views of the efficient UVLED integrated optical sources provided according to the utility model embodiment；

Fig. 3 shows a kind of a kind of application of the efficient UVLED integrated optical sources provided according to the utility model embodiment Scene graph.

Main element symbol description：

100- substrates；The first lens of 200-；300-UVLED chips；The second lens of 400-；500- outline borders；110- encapsulates position； The first accommodating chambers of 510-；The second accommodating chambers of 520-.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on ... shown in the drawings Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.

Embodiment

Present embodiments provide a kind of efficient UVLED integrated optical sources.

Please also refer to Fig. 1-2, which includes substrate 100 and the first lens 200.

Wherein, it is packaged with multiple UV LED chips 300 on substrate 100, UV LED chip 300 is wrapped in outside the first lens 200, and It is encapsulated into together on substrate 100 with UV LED chip 300.

In this way, since the first lens 200 are encapsulated on substrate 100 with UV LED chip 300 together, and the first lens 200 are It is outer to be wrapped in UV LED chip 300 and existing, it may make that the light that UV LED chip 300 is sent out can be by the first lens in this way 200 are polymerize, and to improve the luminous efficiency of UV LED chip 300, then improve the output of optical energy density.

In addition, the above-mentioned setting of UV LED chip 300 and the first lens 200 so that UV LED chip 300 need not increased It is achieved that the output of bloom energy density in the case of quantity, compared with traditional technology, has saved cost, has controlled product Service life.

Further, it is to be appreciated that in the utility model embodiment, the molding work of the efficient UVLED integrated optical sources The COB packaging technologies (i.e. direct UV LED chip is encapsulated into substrate) that skill uses, COB packaging technologies can reduce UV LED chip Heat-conducting medium between 300 and substrate 100, to improve the capacity of heat transmission of UV LED chip 300 so that UV LED chip 300 heat can be distributed preferably, so that the service life of integrated optical source is substantially improved.Certainly, in other realities Apply in mode, can also by the way of on UV LED chip 300 and the first lens 200 patch to substrate 100, at this time can first by First lens, 200 outsourcing UV LED chip 300 and be arranged, then by 300 patch of UV LED chip with the first lens 200 to base On plate 100.

In some embodiments, substrate 100 can further improve UVLED cores in this way using composite heat-conducting substrate The capacity of heat transmission of piece 300, so that the service life of integrated optical source further increases.

Specifically, above-mentioned composite heat-conducting substrate can be used one or several kinds of mixing in the materials such as aluminium, copper, ceramics and At.

In the utility model embodiment, the first lens 200 are arranged in a one-to-one correspondence with UV LED chip 300, at this time each The polymerization that the light that UV LED chip 300 is sent out can access the first lens 200 is reinforced so that multiple UV LED chips 300 Institute's isolychn is reinforced to greatest extent, identical in 300 quantity of UV LED chip or density on substrate, The optical energy density highest that integrated optical source can be output.

Certainly, in other embodiments, the first lens 200 and UV LED chip 300 can be set according to actual conditions Between quantitative relation, such as can two UV LED chips 300 or more UV LED chips 300 share first lens 200, so can management and control be carried out to the quantity of the first lens 200 well, and due to the reduction of 200 quantity of the first lens, moreover it is possible to Enough manufacturing process for simplifying integrated optical source to a certain extent, reduce the manufacturing cost of integrated optical source.

It is described before connecing, it is encapsulated together on the substrate 100, in substrate with UV LED chip 300 to complete the first lens 200 100 surface is uniformly provided with multiple encapsulation positions 110, and the first lens 200 are just packaged in the encapsulation position 110 with UV LED chip 300 's.

Referring to FIG. 2, in the utility model embodiment, substrate 100 is the plate body of a block length cube, at this time in the length Multiple encapsulation positions 110 transversely and longitudinally are uniformly provided on cube plate body, integrated optical source integrally shows rectangular at this time.

In other embodiments, substrate 100 can also be one piece of round plate body, at this time can edge on the circle plate body Annular is uniformly provided with multiple encapsulation positions 110, and encapsulation position 110 in a ring is from the center of round plate body to the edge of round plate body Place's diffusion, integrated optical source takes on circle on the whole at this time.

In some other embodiment, substrate 100 can also customize according to demand and freely, such as triangle, " ten " Font or various other shapes.

300 isolychns of UV LED chip can be gathered it should be noted that the utility model is intended to provide one kind It closes, to improve the luminous efficiency of UV LED chip 300, to improve the mode of optical energy density output, which is embodied in first The relationship of lens 200 and UV LED chip 300, the type and arrangement on the substrate 100 to UV LED chip 300 and substrate 100 shape is not construed as limiting.

In certain specific embodiments, the first lens 200 are dome lens so that UV LED chip 300 shines Line can obtain after dome lens by best polymerization.

It should be pointed out that dome lens size and its focal power can according to actual demand unrestricted choice.

So far, it polymerize booster action by the first lens 200, so that it may so that the luminous efficiency of UV LED chip 300 is carried Height, then so that the optical energy density of integrated optical source output is improved.

In addition to the above, -2 are please referred to Fig.1, in some embodiments, efficient UVLED integrated optical sources can also include Second lens 400, the second lens 400 are located on the light transmission path of the first lens 200.

In this way, when light after the first lens 200 through that will enter in the second lens 400, the second lens 400 can be right Light is further strengthened, to further increase integrated optical source output optical energy density.

It is understood that the second lens 400 are located at the lower section of the first lens 200, and the position of the second lens 400 will obtain With fixation.For this purpose, support column (not shown) can be arranged between the second lens 400 and substrate 100, pass through the work of support column With so that the second lens 400 stablize in the lower section of the first lens 200.

Further, support column interferes light in order to prevent, and the transparent material that light transmission can be used in support column is made, Best, the refractive index of the material of the light transmission should be low as possible.

Except above-mentioned by the way of support column, in some embodiments, integrated optical source can also be placed in outline border Advertisement memorial tablet in 500, such as in bus stop, passes through the restriction effect of outline border 500 so that the second lens 400 are located in The lower section of first lens 200, is specifically shown in described below.

It should be noted that the word in related orientation described herein, such as " lower section " that above occurs is for collection At the orientation of light source in a state of use, when integrated optical source is used in ceiling lamp, obvious second lens 400 are in first at this time The lower section of lens 200.And when integrated optical source is used in radiation light source, i.e. the integrated optical source is vertically arranged, such as public transport The advertisement position of platform, at this time " lower section " hereinbefore should be understood to front.

It is that the embodiment of plate body of cuboid is corresponding with hereinbefore substrate 100, the second lens 400 are cylindrical lenses, And linearly extend, the second lens 400 can transversely or longitudinally be in the lower section of the first lens 200 at this time, extend Direction is parallel with the arranged direction of UV LED chip 300, and light can be smoothly entered after the first lens 200 at this time After polymerization is carried out in two lens 400, to further increase the luminous efficiency of UV LED chip 300, finally so that integrated optical source Optical energy density output be improved.The quantity of second lens 400 can be according to the row of UV LED chip 300 being arranged along the horizontal Depending on several or longitudinally arranged columns, such as in example shown in 2, four the second lens 400 can be arranged according to line number, And six the second lens 400 can be then set according to columns.

Second lens 400 are arranged to column, the degree of focus of the second lens 400 can be improved to a certain extent, to ensure The effect of second lens 400.Certainly, the concrete shape of the second lens of the utility model pair 400 is not construed as limiting, as long as it can be right Light carries out after polymerization.

For example, being that the round embodiment of plate body is corresponding with hereinbefore substrate 100, the second lens 400 can be set at this time Be set to ring-type, likewise, the number of rings arranged on the substrate 100 according to UV LED chip 300 can be correspondingly arranged respective numbers be in ring Second lens 400 of shape.

A kind of application example of above-mentioned UVLED integrated optical sources is described with reference to Fig. 3.

Referring to FIG. 3, the periphery in the efficient UVLED integrated optical sources according to the utility model embodiment is also set There is an outline border 500, which provides place for the placement of UVLED integrated optical sources.Specifically, in the inside of the outline border 500 With at least two accommodating chambers, which is stacked, wherein the accommodating chamber in lower part is the first accommodating chamber 510, And the accommodating chamber in top is the second accommodating chamber 520, it is to be understood that when according to COB packaging technologies by the first lens 200 And after UV LED chip 300 is encapsulated on substrate 100, the first lens 200, UV LED chip 300 and substrate 100 are whole at this time Structure can be integrally placed in the first accommodating chamber 510, and placement of second accommodating chamber 520 then for the second lens 400 provides item Part, when by it is aforementioned carry the first lens 200, the substrate 100 of UV LED chip 300 is placed in the first accommodating chamber 510 after, then by second Lens 400, which are put into the second accommodating chamber 520, can be realized installation of the efficient UVLED integrated optical sources in outline border, in conjunction with above Described, the second lens 400 are limited by outline border 500 at this time.The outline border 500 can be set to it is variously-shaped, to adapt to it each Use under the variant environment of kind, such as example shown in Fig. 3 can use in the billboard of bus stop.

By the description above to each embodiment of the utility model it is found that the utility model at least has following technology Effect：

1, luminous efficiency is high；

2, at low cost；

3, long lifespan；

4, reliability is high.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combines and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (8)

1. a kind of efficient UVLED integrated optical sources, which is characterized in that including：

Substrate, multiple UV LED chips are packaged on the substrate, and the substrate uses composite heat-conducting substrate；

First lens, first lens are wrapped in the UV LED chip, and first lens and the UV LED chip one outside It rises and is encapsulated on the substrate, first lens are packaged lens.

2. efficiently UVLED integrated optical sources as described in claim 1, which is characterized in that first lens and the UVLED cores Piece is arranged in a one-to-one correspondence.

3. efficiently UVLED integrated optical sources as described in claim 1, which is characterized in that the substrate surface is uniformly provided with multiple Position is encapsulated, the UV LED chip and first lens packages are on the encapsulation position.

4. efficient UVLED integrated optical sources as claimed in any one of claims 1-3, which is characterized in that the efficient UVLED collection Further include the second lens at light source, second lens are located on the light transmission path of first lens.

5. efficiently UVLED integrated optical sources as claimed in claim 4, which is characterized in that second lens are located at described first The lower section of lens.

6. efficiently UVLED integrated optical sources as claimed in claim 5, which is characterized in that second lens are cylindrical lenses.

7. efficiently UVLED integrated optical sources as claimed in claim 5, which is characterized in that second lens are connected with substrate.

8. efficiently UVLED integrated optical sources as claimed in claim 7, which is characterized in that the efficient UVLED integrated optical sources are also wrapped Frame is included, the frame limits accommodating chamber, and the substrate, first lens and second lens are arranged in the receiving Intracavitary.