CN213089460U

CN213089460U - LED light source structure, combined LED light source and lamp

Info

Publication number: CN213089460U
Application number: CN202021508255.6U
Authority: CN
Inventors: 陈琰表; 刘宗源; 杨小明
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-30
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a LED light source structure, a combined LED light source and a lamp, belonging to the field of lighting equipment, comprising a first accommodating part, a first chip and a first packaging layer; the first chip is arranged on the first accommodating part; the first packaging layer covers the light emitting side of the first chip, first fluorescent powder and dye are dispersed in the first packaging layer, and the color of the dye corresponds to that of the first fluorescent powder. The utility model provides a LED light source structure, combination formula LED light source and lamps and lanterns, dyestuff can act on the light that first phosphor powder sent, makes the color saturation of the light that first phosphor powder sent effectively promote, and then makes the visual effect of illumination obtain showing and promote.

Description

LED light source structure, combined LED light source and lamp

Technical Field

The utility model belongs to the technical field of the lighting equipment, more specifically say, relate to a LED light source structure, combination formula LED light source and lamps and lanterns.

Background

An LED light source is a core component of an LED lighting fixture, and in the existing LED light source, a fluorescent powder is generally excited by an LED chip to emit green light, red light or blue light. However, the green light or red light obtained by the excitation of the fluorescent powder has low color purity, i.e. low color saturation, which affects the visual effect of the lighting of the lamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED light source structure, combination formula LED light source and lamps and lanterns aim at solving the lower technical problem of color saturation of light in the LED light source that exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is an LED light source structure, including:

a first housing member;

the first chip is arranged on the first accommodating part;

the first packaging layer covers the light emitting side of the first chip, first fluorescent powder and dye are dispersed in the first packaging layer, and the color of the dye corresponds to that of the first fluorescent powder.

As another embodiment of the present application, a first groove is disposed on the first accommodating member, the first chip is disposed in the first groove, and the first encapsulation layer is filled in the first groove.

As another embodiment of the present application, the light emitting surface of the first package layer is recessed in the opening end surface of the first groove.

As another embodiment of the present application, the light emitting surface of the first package layer is flush with the opening end surface of the first groove.

As another embodiment of the present application, the light emitting surface of the first package layer protrudes from the opening end surface of the first groove.

As another embodiment of the present application, the first accommodating member is provided with a plurality of first grooves.

As another embodiment of the present application, at least one first chip is disposed in each first groove.

The utility model provides a LED light source structure's beneficial effect lies in: compared with the prior art, the utility model discloses LED light source structure, first chip arouse the intraformational first phosphor powder of first encapsulation and send the light of corresponding colour, because the dyestuff of corresponding colour still disperses in the first encapsulation layer, the dyestuff can act on the lower light of colour purity that first phosphor powder sent, makes the color saturation of the light that first phosphor powder sent effectively promote, and then makes the visual effect of illumination obtain showing and promote.

The utility model also provides a modular LED light source, including two at least light source unit, wherein at least one the light source unit is foretell LED light source structure.

As another embodiment of this application, except any one of LED light source structure the light source unit includes second holding piece, second chip and second encapsulated layer, the second chip is located on the second holding piece, the second encapsulated layer cover in the light-emitting side of second chip, the second phosphor powder has been dispersed in the second encapsulated layer.

The utility model provides a beneficial effect of combination formula LED light source is the same with the beneficial effect of foretell LED light source structure, no longer gives unnecessary details here.

The utility model also provides a lamp, which comprises the LED light source structure; or the lamp comprises the combined LED light source.

The utility model provides a beneficial effect of lamps and lanterns is the same with the beneficial effect of foretell LED light source structure or foretell combination formula LED light source, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an LED light source structure according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an LED light source structure provided in the second embodiment of the present invention;

fig. 3 is a schematic structural diagram of an LED light source structure provided in the third embodiment of the present invention;

fig. 4 is a schematic structural diagram of an LED light source structure provided in the fourth embodiment of the present invention;

FIG. 5 is a schematic top view of the first receiving member and the first chip in FIG. 4;

fig. 6 is a schematic structural diagram of a combined LED light source provided in the fifth embodiment of the present invention;

fig. 7 is a schematic structural diagram of a combined LED light source according to a sixth embodiment of the present invention;

FIG. 8 is a schematic top view of the first receptacle, the first chip, the second receptacle and the second chip in FIG. 7;

fig. 9 is a schematic structural view of a combined LED light source according to a seventh embodiment of the present invention;

fig. 10 is a schematic structural view of a lamp according to an eighth embodiment of the present invention;

FIG. 11 is a schematic top view of the structure of FIG. 10;

fig. 12 is a spectrum diagram of a red LED light source structure and a conventional red LED light source structure provided in the first embodiment of the present invention;

fig. 13 is a spectrum diagram of a green LED light source structure and a conventional green LED light source structure according to an embodiment of the present invention.

In the figure: 100. an LED light source structure; 110. a first housing member; 120. a first chip; 130. a first encapsulation layer; 140. a first groove; 150. a first phosphor; 160. a dye; 200. a combined LED light source; 210. a second housing member; 220. a second chip; 230. a second encapsulation layer; 240. a second groove; 250. a second phosphor; 300. a light fixture; 310. a lamp shade; 320. a lamp socket; 330. a light source plate; 400. and an electrode.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, a structure of an LED light source according to the present invention will be described. The LED light source structure 100 includes a first container 110, a first chip 120, and a first encapsulation layer 130; the first chip 120 is disposed on the first receiving member 110; the first package layer 130 covers the light emitting side of the first chip 120, the first phosphor 150 and the dye 160 are dispersed in the first package layer 130, and the color of the dye 160 corresponds to the color of the first phosphor 150.

The first encapsulation layer 130 not only guides light, but also protects the first chip 120 inside.

The utility model provides a LED light source structure, compared with the prior art, first chip 120 arouses the light that first phosphor powder 150 in the first encapsulated layer 130 sent corresponding colour, because the dyestuff 160 that still disperses corresponding colour in the first encapsulated layer 130, dyestuff 160 can act on the lower light of colour purity that first phosphor powder 150 sent, the color saturation of the light that makes first phosphor powder 150 send obtains effectively promoting, and then makes the visual effect of illumination obtain showing and promote.

Additionally, the utility model discloses a LED light source structure need not to change original production technology in process of production, directly will disperse have covering in first chip 120 periphery of first phosphor powder 150 and dyestuff 160 can, make simply, manufacturing cost is lower.

It should be noted that, in general, the first chip 120 is a blue LED chip, the blue LED chip excites the green or red first phosphor 150 to obtain green or red light, and the color saturation of the excited light is improved after passing through the green or red dye layer.

In addition, still need explain, the utility model discloses not only can be applicable to the color saturation of reinforcing green glow and ruddiness, can also strengthen the color saturation of other light colours, no longer enumerate one by one here.

Specifically, the green dye may be basic copper carbonate (Aerugo) of formula C₃₂Br₆Cl₁₀C₁₁N₈Green pigment of formula C₃₂H₈Cl₈CuN₈Green pigment of formula C₃₂Br₆Cl₁₀CuN₈Green pigment, ferrous sulfate heptahydrate (copperas), and the like.

In particular, the red dye may be of formula C₆H₅N:NC₆H₅N:NC₁₀H₆Red dye of OH, molecular formula C₂₂H₁₆N₄Red dye of O and molecular formula C₁₈H₁₁ClN₂O₆SSr red dye, cinnabar, etc.

Specifically, the green first phosphor 150 has a molecular formula of Lu₃Al₅O₁₂Ce green phosphor with molecular formula of (Si, Al)₃(O,N)₄Eu green phosphor, etc.; the red first phosphor 150 is CaAlSiN₃Eu red phosphor with molecular formula of (Sr, Ca) AlSiN₃Eu red phosphor, etc.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 8, a first groove 140 is disposed in the first accommodating member 110, the first chip 120 is disposed in the first groove 140, and the first encapsulating layer 130 is filled in the first groove 140. The first groove 140 may enable the first receiving member 110 to form a support structure, and when the multi-color light source is disposed, the first receiving member and the second receiving member both have an isolation effect on adjacent chips and packaging materials, so as to prevent the packaging materials in the adjacent light source structures from being mixed with each other, and avoid unnecessary light mixing.

As a specific embodiment of the LED light source structure provided in the present invention, the first phosphor 150 and the dye 160 are uniformly dispersed in the first encapsulating layer 130. The dye 160 has a wide dispersion range, so that the dye can effectively act on the laser beam.

As a specific embodiment of the LED light source structure provided in the present invention, the dye 160 is mainly dispersed at a position close to the light emitting surface of the first encapsulating layer 130, and the first phosphor 150 is mainly dispersed between the main dispersed position of the dye 160 and the first chip 120. Since the dye 160 is mainly dispersed at a position close to the light emitting surface of the first package layer 130, it is beneficial to fully act on the laser beam and enhance the color saturation of the emitted light.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the light emitting surface of the first encapsulation layer 130 is recessed in the opening end surface of the first groove 140. Under the prerequisite of guaranteeing the light effect, sunken setting can reduce encapsulating material to a certain extent, even the quantity of first phosphor powder 150 and dyestuff 160, and then can reduce manufacturing cost to a certain extent.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1, fig. 4, fig. 6 and fig. 7, the light emitting surface of the first encapsulation layer 130 is flush with the opening end surface of the first groove 140. The inner space of the first container 110 is fully utilized to extend the propagation path of the light in the first encapsulation layer 130, so that the first phosphor 150 and the dye 160 can more fully act on the light.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, the light emitting surface of the first encapsulation layer 130 protrudes from the opening end surface of the first groove 140. The convex design enables the first package layer 130 to have light emitting surfaces with different shapes, such as a curved surface shape, a step shape, and the like, and the light emitting effect is also affected by the different light emitting surface shapes.

In the above structure, when the light emitting surface of the first package layer 130 is flush with the opening end surface of the first groove 140, the light emitting surface of the first package layer 130 is a plane; when the light emitting surface of the first package layer 130 is recessed in the opening end surface of the first groove 140, the light emitting surface of the first package layer 130 is a plane, a curved surface, a stepped surface, or the like; when the light emitting surface of the first package layer 130 protrudes out of the opening end surface of the first groove 140, the light emitting surface of the first package layer 130 is a plane, a curved surface, a step-shaped surface, or the like. The shape of the light emitting surface of the first packaging layer 130 is selected according to actual use requirements, the light emitting surfaces with different shapes have different light emitting effects, and the light type can be adjusted to a certain degree by changing the shape of the light emitting surface.

FIG. 12 is a graph of the spectra of a red dye 160 and a light source without a red dye, and it can be seen from FIG. 12 that when a red dye 160 is used, the spectra are significantly narrower than the spectra when no dye layer is used, which indicates that the red is redder and the color saturation is higher; fig. 13 shows a comparison of the spectra of a light source using green dye 160 and a light source not using green dye, and similarly, the spectrum of the dye 160 also using green is significantly narrowed. In fig. 12 and 13, the abscissa represents the wavelength and the ordinate represents the optical observation rate.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and 5, a plurality of first grooves 140 are disposed on the first accommodating member 110. Different first chips 120 are respectively arranged in different first grooves 140 to meet different lighting requirements, thereby enhancing the flexibility of light source design.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 5, at least one first chip 120 is disposed in each first groove 140. The number of the first chips 120 can be flexibly set according to different lighting requirements, so that the light emitting effect of the light source is more, and the application range is wider.

The utility model also provides a modular LED light source 200. Referring to fig. 6 to 9, the combined LED light source 200 includes at least two light source units, wherein at least one light source unit is the LED light source structure 100.

For example, a plurality of LED light source structures 100 of the present invention may be interconnected (not shown in the figures); alternatively, the LED light source structure 100 provided by the present invention is connected to the blue LED light source structure one to one (as shown in fig. 6); or, will the utility model provides a LED light source structure 100 is connected with blue light LED light source structure many-to-one (as shown in fig. 7 and fig. 8), and a plurality of LED light source structures 100 are used for sending ruddiness and green glow respectively, and left LED light source structure 100 is used for sending ruddiness in fig. 7, and right side LED light source structure 100 is used for sending the green glow. The above embodiment is set according to actual use requirements to obtain different light emitting effects.

The utility model discloses still support other light source setting mode, please refer to fig. 9, a RGB filament structure is shown in fig. 9, for LED light source structure 100 and the many-to-one connected mode of blue light LED light source structure, it directly pastes dress first chip 120 and second chip 220 on banding circuit board (can be flexible circuit board), the circuit board is equivalent to first container 110 and second container 210, then directly cover packaging material in corresponding first chip 120 department, form first encapsulated layer 130, cover packaging material in corresponding second chip 220 department, form second encapsulated layer 230, generally be equipped with the isolation structure who is used for interval chip and packaging material between the adjacent circuit board, both sides can use after passing through electrode 400 and external circuit intercommunication. In fig. 9, the upper strip-shaped LED light source structure 100 is used for emitting red light, the middle strip-shaped LED light source structure 100 is used for emitting green light, and the lower strip-shaped LED light source structure is a blue light LED light source structure.

The utility model provides a combination formula LED light source 200's beneficial effect is the same with foretell LED light source structure 100's beneficial effect, no longer gives unnecessary details here.

Referring to fig. 5 and 8, any one of the light source units except the LED light source structure 100 includes a second receiving member 210, a second chip 220 and a second packaging layer 230, the second chip 220 is disposed on the second receiving member 210, the second packaging layer 230 covers the light-emitting side of the second chip 220, and the second fluorescent powder 250 is dispersed in the second packaging layer 230.

Specifically, the second chip 220 is disposed in the second groove 240 of the second receiving member 210, and the second packaging layer 230 is filled in the second groove 240.

The light source unit corresponds to the LED light source structure 100 described above, and also corresponds to the blue LED light source structure, so that the light source unit structure other than the LED light source structure 100 is as described above. The structure is similar to the LED light source structure 100, and the main difference is that no dye 160 is provided, the similar structure facilitates connection between adjacent light source units, and even the adjacent first receiving member 110 and second receiving member 210 can be made into an integral structure (as shown in fig. 6), which facilitates subsequent production processes.

As a specific embodiment of the combined LED light source of the present invention, please refer to fig. 6 to 8, the second receiving member 210 is connected to the adjacent first receiving member 110.

Specifically, the second receiving member 210 and the first receiving member 110 are integrally formed to constitute a stand structure.

Or, the second receiving member 210 and the first receiving member 110 are relatively independent and respectively form mutually independent bracket structures, and when a combined LED light source needs to be formed, the second receiving member 210 and the first receiving member 110 are connected to each other to form a whole.

The utility model also provides a lamps and lanterns 300. Referring to fig. 10 and 11, the lamp 300 includes the LED light source structure 100; alternatively, the luminaire comprises the combined LED light source 200 described above.

The utility model provides a lamps and lanterns 300's beneficial effect is the same with foretell LED light source structure 100 or foretell combination formula LED light source 200's beneficial effect, no longer gives unnecessary details here.

Referring to fig. 10 and 11, the lamp 300 includes a lamp holder 320, a light source board 330 disposed on the lamp holder 320, and a lampshade 310 covering the light source board 330, and the LED light source structure 100 and/or the combined LED light source 200 are connected to the light source board 330.

The embodiment of the drawings adopts a structure that a plurality of LED light source structures 100 are distributed on a light source board 330 in a preset manner to form an illumination light source.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

An LED light source structure, comprising:

a first housing member;

the first chip is arranged on the first accommodating part;

the first packaging layer covers the light emitting side of the first chip, first fluorescent powder and dye are dispersed in the first packaging layer, and the color of the dye corresponds to that of the first fluorescent powder.
2. The LED light source structure of claim 1, wherein the first receiving member has a first groove, the first chip is disposed in the first groove, and the first encapsulating layer is filled in the first groove.
3. The LED light source structure of claim 2, wherein the light emitting surface of the first package layer is recessed in the open end surface of the first groove.
4. The LED light source structure of claim 2, wherein the light-emitting surface of the first encapsulant layer is flush with the open end surface of the first groove.
5. The LED light source structure of claim 2, wherein the light-emitting surface of the first encapsulant layer protrudes from the open end of the first recess.
6. The LED light source structure of claim 2, wherein the first receiving member has a plurality of first grooves.
7. The LED light source structure of claim 2 or 6, wherein at least one first chip is disposed in each first recess.
8. Combined LED light source, characterized in that it comprises at least two light source units, wherein at least one of said light source units is an LED light source structure according to any of claims 1-7.
9. The combined LED light source of claim 8, wherein any one of the light source units except the LED light source structure comprises a second receiving member, a second chip and a second package layer, the second chip is disposed on the second receiving member, the second package layer covers a light emitting side of the second chip, and second phosphor is dispersed in the second package layer.
10. A luminaire comprising the LED light source structure of any one of claims 1-7; alternatively, the luminaire comprises a combined LED light source as claimed in claim 8 or 9.