CN209054353U - LED lamp bead - Google Patents

Abstract

The utility model belongs to technical field of lamps, more particularly to a kind of LED lamp bead, including lamp housing, transparent protective shield and luminescence component, cavity is offered on lamp housing, transparent protective shield is covered in the periphery of cavity, luminescence component includes the pedestal and luminescence chip for being electrically connected with external circuitry, pedestal is installed on the bottom wall of cavity, luminescence chip includes substrate, red crystalline substance core, green crystalline substance core, blue crystalline substance core and the brilliant core of white, substrate is installed on pedestal towards the side of transparent protective shield and is electrically connected with pedestal, red crystalline substance core, green crystalline substance core, blue crystalline substance core and the brilliant core of white are separately mounted to connect on substrate and with electrical property of substrate, between the brilliant core of these four colors any combination color of object can be formed under the excitation of substrate, the light of more colors can be issued than traditional luminescence chip, so that LED lamp bead can be expressed Color it is more abundant, meet the needs of people.

Description

LED lamp bead

Technical field

The utility model belongs to technical field of lamps more particularly to a kind of LED lamp bead.

Background technique

Outdoors in illumination, LED lamp bead is widely used in since its is easily controllable and can issue the light of various colors In city on each building, gorgeous light show is formed as " lighting engineering ".The luminescence chip of existing LED lamp bead is by three The brilliant core of kind primary colours forms, i.e., red brilliant core, green crystalline substance core and blue brilliant core, and any combination sending is various not between three kinds of brilliant cores With the light of color.But since only there are three types of the brilliant cores of primary colours to form for luminescence chip, the coloured light issued is also limited, for one A little more special or fine and smooth coloured light can not often embody, and be unable to satisfy the more ultimate attainment color demand of present people.

Utility model content

The purpose of this utility model is to provide a kind of LED lamp beads, it is intended to which solving LED lamp bead in the prior art can not send out Out the technical issues of more multicoloured light.

A kind of LED lamp bead that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including lamp housing, transparent guarantor Shield and luminescence component offer cavity on the lamp housing, and the transparent protective shield is covered in the periphery of the cavity, the hair Optical assembly includes the pedestal and luminescence chip for being electrically connected with external circuitry, and the pedestal is installed on the bottom wall of the cavity On, the luminescence chip includes that substrate, red brilliant core, the brilliant core of green, the brilliant core of blue and the brilliant core of white, the substrate are installed on institute It states towards the side of the transparent protective shield on pedestal and is electrically connected with the pedestal, the red brilliant core, the green are brilliant Core, the brilliant core of the blue and the brilliant core of the white are separately mounted to connect on the substrate and with the electrical property of substrate.

Preferably, in four mounting grooves of sphere of movements for the elephants shape distribution, the red brilliant core, institute there are four being opened up on the substrate Green brilliant core, the brilliant core of the blue and the brilliant core of the white is stated to be separately mounted in the mounting groove.

Preferably, external sealant is filled in the cavity, the external sealant is filled in the side wall and the hair of the cavity In the gap formed between optical assembly and solidify.

Preferably, the side wall of the cavity is equipped with several serrated slots for external sealant filling.

Preferably, the lamp housing includes fixing body and the ring protection body for being connected to the fixing body periphery, the pedestal It is installed on the fixing body, the serrated slot is opened in the inside of the ring protection body, the fixing body and the annular Protective encloses jointly to be set to form the cavity.

Preferably, the fixing body is equipped with interconnected first annular slot and the second annular groove, and second ring Shape slot position includes the first matrix and the second matrix, first matrix and institute in the top of the first annular slot, the pedestal The electric connection of the second matrix is stated, first matrix is installed in the first annular slot, and second matrix is installed on described In second annular groove, the substrate is installed on second matrix and towards the side of the transparent protective shield, the substrate It is electrically connected by gold thread and second matrix.

Preferably, the pedestal further includes radiator, and the radiator includes radiating part and is connected on the radiating part Interconnecting piece, the upper end of the interconnecting piece connect with second matrix, under the upper end of the radiating part and the fixing body End abuts.

Preferably, the lower end of the radiating part offers radiating groove.

Preferably, phosphor powder layer is coated on the inside of the transparent protective shield.

Preferably, the external sealant is epoxy resin.

The utility model has the beneficial effects that the LED lamp bead of the utility model, by the way that red brilliant core, green is arranged on substrate Color crystalline substance core, the brilliant core of blue and the brilliant core of white any combination can be formed under the excitation of substrate between the brilliant core of these four colors Color of object can achieve than traditional luminescence chip (the brilliant core of only red brilliant core, green and blue three kinds of brilliant core brilliant cores) hair The light of more colors out meets the needs of people so that the color that LED lamp bead can be expressed is more abundant.Also, this is practical The LED lamp bead of new embodiment, the light issued can be under the reconciliations for the light that white brilliant core issues, so that color is more soft With it is finer and smoother, give the good sensory experience of user, have splendid market application prospect.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram one of LED lamp bead provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram two of LED lamp bead provided by the embodiment of the utility model；

Fig. 3 is the structural schematic diagram of the luminescence chip of LED lamp bead provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-lamp housing 11-fixing body, 12-ring protection bodies

13-cavity 14-serrated slot, 20-transparent protective shields

30-luminescence component 31-pedestal, 32-luminescence chips

40-external sealant the 312-the second matrixes of the 311-the first matrix

313-brilliant the cores of 321-substrate of radiator, 322-red

The brilliant brilliant core of 325-white of core of the brilliant 324-blue of core of 323-greens

3131-radiating part 3132-interconnecting piece, 3133-radiating grooves.

Specific embodiment

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 the description of attached drawing 1~3 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 of the features.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；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary 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.

As shown in Figures 1 to 3, the utility model embodiment provides a kind of LED lamp bead, including lamp housing 10, transparent protective shield 20 and luminescence component 30, cavity 13 is offered on the lamp housing 10, and the transparent protective shield 20 is covered in the outer of the cavity 13 Week, the luminescence component 30 include the pedestal 31 and luminescence chip 32 for being electrically connected with external circuitry, and the pedestal 31 is pacified On bottom wall loaded on the cavity 13, the luminescence chip 32 includes substrate 321, red brilliant core 322, the brilliant core 323 of green, blue Brilliant core 324 and the brilliant core 325 of white, the substrate 321 are installed on the pedestal 31 towards the side of the transparent protective shield 20 And it is electrically connected with the pedestal 31, the red brilliant core 322, the brilliant core 323 of the green, the brilliant core 324 of the blue and described White crystalline substance core 325 is separately mounted on the substrate 321 and is electrically connected with the substrate 321.

Specifically, the LED lamp bead of the utility model embodiment, by the way that red brilliant core 322, green are arranged on substrate 321 Brilliant core 323, the brilliant core 324 of blue and the brilliant core 325 of white can appoint under the excitation of substrate 321 between the brilliant core of these four colors Meaning combination forms color of object, may be implemented than traditional luminescence chip 32 (only red brilliant core 322,323 and of the brilliant core of green Blue 324 3 kinds of crystalline substance core brilliant cores) light that issues more colors meets so that the color that LED lamp bead can be expressed is more abundant The demand of people.Also, the LED lamp bead of the utility model embodiment, the light that the light issued can be issued in white brilliant core 325 Reconciliation under so that color is softer, finer and smoother, the good sensory experience of user is given, before splendid market application Scape.

In one embodiment, as shown in figure 3, in four of the distribution of sphere of movements for the elephants shape there are four being opened up on the substrate 321 Mounting groove, the red brilliant core 322, the brilliant core 323 of the green, the brilliant core 324 of the blue and the brilliant core 325 of the white are distinguished It is mounted in the mounting groove.Wherein, substrate 321 is rectangular, and four identical installations are divided on substrate 321 by obtaining Slot, so that be closely installed at together between red crystalline substance core 322, the brilliant core 323 of green, the brilliant core 324 of blue and the brilliant core 325 of white, So that the light that four brilliant cores issue can blend together more naturally, so that the target for needing to realize is photochromic more thin It is greasy, it is fuller.

In one embodiment, as shown in Figure 1, being filled with external sealant 40 in the cavity 13, the external sealant 40 is filled In the gap formed between the side wall and the luminescence component 30 of the cavity 13 and solidify.When production, by lamp housing 10 The opening-like cavity 13 in upper setting one end, the luminescence chip 32 on luminescence component 30 is mounted in cavity 13, then will be outer Sealing 40 by cavity 13 opening it is filling enter cavity 13 in so that external sealant 40 is filled up completely in sky remaining in cavity 13 In, solidify external sealant 40, to fully wrapping up luminescence component 30 to protect.

In one embodiment, as shown in Fig. 1~2, the side wall of the cavity 13 is equipped with several for the filling of external sealant 40 Serrated slot 14.Specifically, by opening up several serrated slots 14 on the side wall of cavity 13, so that external sealant 40 is being filled into It when in cavity 13, while being filled in each serrated slot 14, so that work of the external sealant 40 in each rough serrated slot 14 Under, it can further prevent the impurity in air from immersing in lamp housing 10 normal work for influencing luminescence component 30, Jin Eryou Extend to effect the service life of the LED lamp bead in the present embodiment；Also, each serrated slot 14 can effectively promote covering The stability that glue 40 encapsulates in cavity 13 reduces external sealant 40 and the case where falling off because there is aging is being used for a long time, To have splendid market application prospect it is also ensured that the LED lamp bead in the present embodiment has longer service life.

In one embodiment, as shown in Fig. 1~2, the lamp housing 10 includes fixing body 11 and is connected to the fixing body The ring protection body 12 of 11 peripheries, the pedestal 31 are installed on the fixing body 11, and the serrated slot 14 is opened in the ring The inside of shape protective 12, the fixing body 11 and the ring protection body 12 enclose jointly to be set to form the cavity 13.Specifically The medial surface on ground, ring protection body 12 is oblique and being open for upper end is greater than the opening of lower end, thus in filling external sealant 40 When, can be completely filled in favor of external sealant 40 between the inner wall of cavity 13 and the periphery of luminescence component 30 without there are Bubble or gap reach good filling effect, and then realize that the LED lamp bead in the present embodiment has in good air-isolation Impurity effect.

In one embodiment, as shown in Fig. 1~2, the fixing body 11 be equipped with interconnected first annular slot and Second annular groove, and second annular groove is located at the top of the first annular slot, the pedestal 31 includes the first matrix 311 and second matrix 312, first matrix 311 and second matrix 312 be electrically connected, first matrix 311 is pacified Loaded in the first annular slot, second matrix 312 is installed in second annular groove, and the substrate 321 is installed on On second matrix 312 and towards the side of the transparent protective shield 20, the substrate 321 passes through gold thread and second base Body 312 is electrically connected.Specifically, the size of the second annular groove cross section is less than the size of first annular slot cross section, the second base Stacked on top of one another in " convex " type shape, (the second matrix 312 is located in 311 upper surface of the first matrix for body 312 and the first matrix 311 Portion), then during installation, the first matrix 311 is connected in first annular slot, the second matrix 312 is connected to the second annular groove It is interior, so that pedestal 31 can be firmly mounted on fixing body 11, and then it can be effectively reduced and produced because pedestal 31 loosens The case where raw poor electric contact, occurs, and using effect is good.

In one embodiment, as shown in Fig. 1~2, the pedestal 31 further includes radiator 313, and the radiator 313 wraps The interconnecting piece 3132 for including radiating part 3131 and being connected on the radiating part 3131, the upper end of the interconnecting piece 3132 and described the The connection of two matrixes 312, the upper end of the radiating part 3131 is abutted with the lower end of the fixing body 11.Specifically, fixing body 11 Lower end offers radiating groove 3133, and interconnecting piece 3132 passes through the radiating groove 3133 and connect with the second matrix 312 and conduct heat To radiating part 3131, radiating part 3131 is mounted on the lower end of fixing body 11 so that heat to shed, wherein outside radiating part 3131 Week is concordant with the periphery of fixing body 11, to not only make the appearance looks elegant of entire lamp housing 10, but also can make radiating part 3131 there is heat dissipation area appropriate to contact with the external world, reach good heat dissipation effect.Further, radiator 313 selects ratio The biggish aluminum material of thermal capacitance is made, thus allowing aluminium radiator 313 promptly to absorb the heat on pedestal 31 slow The external world, slow elder generation sheds, and reaches good heat dissipation effect, can effectively extend the service life of the LED lamp bead in the present embodiment.

In one embodiment, as shown in Fig. 1~2, the lower end of the radiating part 3131 offers radiating groove 3133.Tool Body, by opening up radiating groove 3133 in the lower end of radiating part 3131, contacted to effectively increase radiating part 3131 with the external world Heat dissipation area, reach more heat dissipation effect.

In one embodiment, as shown in Figure 1, the inside of the transparent protective shield 20 is coated with phosphor powder layer.Wherein, glimmering Light bisque can more fully scatter out the light that luminescence chip 32 issues, and reach good light efficiency effect.

In one embodiment, the external sealant 40 is epoxy resin.Specifically, epoxy resin has good translucency And leakproofness, so that luminescence component 30 under the covering of epoxy resin, not only can have and launch outward out light well, and And can be very good to be protected by epoxy resin, to avoid destruction of the impurity to luminescence component 30 in air, extend its use Service life.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of LED lamp bead, it is characterised in that: including lamp housing, transparent protective shield and luminescence component, offered on the lamp housing recessed Chamber, the transparent protective shield are covered in the periphery of the cavity, and the luminescence component includes for being electrically connected with external circuitry Pedestal and luminescence chip, the pedestal is installed on the bottom wall of the cavity, and the luminescence chip includes substrate, red brilliant The brilliant core of core, green, the brilliant core of blue and the brilliant core of white, the substrate are installed on the pedestal towards the one of the transparent protective shield It side and is electrically connected with the pedestal, the red brilliant core, the brilliant core of the green, the brilliant core of the blue and the brilliant core point of the white It does not install on the substrate and is connect with the electrical property of substrate.

2. LED lamp bead according to claim 1, it is characterised in that: in sphere of movements for the elephants shape point there are four being opened up on the substrate Four mounting grooves of cloth, the red brilliant core, the brilliant core of the green, the brilliant core of the blue and the brilliant core of the white are separately mounted to In one mounting groove.

3. LED lamp bead according to claim 1, it is characterised in that: be filled with external sealant, the external sealant in the cavity It is filled in the gap formed between the side wall of the cavity and the luminescence component and solidifies.

4. LED lamp bead according to claim 3, it is characterised in that: the side wall of the cavity is equipped with several for external sealant The serrated slot of filling.

5. LED lamp bead according to claim 4, it is characterised in that: the lamp housing includes fixing body and is connected to the peace The ring protection body of body periphery is filled, the pedestal is installed on the fixing body, and the serrated slot is opened in the ring protection The inside of body, the fixing body and the ring protection body enclose jointly and set to form the cavity.

6. LED lamp bead according to claim 5, it is characterised in that: the fixing body is equipped with the first interconnected ring Shape slot and the second annular groove, and second annular groove is located at the top of the first annular slot, the pedestal includes the first base Body and the second matrix, first matrix and second matrix are electrically connected, and first matrix is installed on first ring In shape slot, second matrix is installed in second annular groove, and the substrate is installed on second matrix and direction The side of the transparent protective shield, the substrate are electrically connected by gold thread and second matrix.

7. LED lamp bead according to claim 6, it is characterised in that: the pedestal further includes radiator, the radiator packet The interconnecting piece for including radiating part and being connected on the radiating part, the upper end of the interconnecting piece is connect with second matrix, described The upper end of radiating part is abutted with the lower end of the fixing body.

8. LED lamp bead according to claim 7, it is characterised in that: the lower end of the radiating part offers radiating groove.

9. described in any item LED lamp beads according to claim 1~8, it is characterised in that: be coated on the inside of the transparent protective shield There is phosphor powder layer.

10. according to the described in any item LED lamp beads of claim 3~8, it is characterised in that: the external sealant is epoxy resin.