CN203404688U

CN203404688U - Led lamp

Info

Publication number: CN203404688U
Application number: CN201320537411.5U
Authority: CN
Inventors: 陈灿荣
Original assignee: SUZHOU SHIDING ELECTRONICS CO Ltd
Current assignee: SUZHOU SHIDING ELECTRONICS CO Ltd
Priority date: 2013-08-30
Filing date: 2013-08-30
Publication date: 2014-01-22
Anticipated expiration: 2023-08-30

Abstract

The utility model relates to an LED lamp which at least comprises a shell body, a diffusion sheet, a light guide plate, a flexible substrate, a circuit layer, a plurality of LED assemblies, a reflector plate and a top cap. Particularly, different from an existing LED recessed lamp, the LED lamp is characterized in that the flexible substrate is attached to the inner wall face of the shell body to serve as the base material of the circuit layer and base materials of the LED assemblies, and hard base materials such as a circuit board are not used; due to the fact that the flexible substrate has the characteristic of softness, the flexible substrate can be tightly attached to the inner wall face of the shell body through an extrusion mode; therefore, when the LED assemblies emit light, heat produced by the LED assemblies can penetrate through a welding spot to be transmitted to the flexible substrate and is further transmitted to the shell body through the flexible substrate, and then the heat produced by the LED assemblies is dissipated through the shell body.

Description

LED light fixture

Technical field

The utility model is about a kind of light fixture, refers to especially a kind of LED light fixture that can embed among ceiling.

Background technology

In recent years, light emitting diode (Light-Emitting Diode, LED) is applied on the lighting device of daily life widely.Peddle on the market at present multiple LED light fixture, such as: LED bulb lamp, LED fluorescent tube and LED Recessed light etc.

Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of stereogram of existing LED Recessed light, explosive view and side view.As shown in Figure 1, Figure 2 with shown in Fig. 3, existing LED Recessed light 1 ' comprising: a housing 11 ', a diffusion sheet 12 ', a LGP 13 ', a circular lamp bar 14 ', a reflector plate 15 ' and a bottom 16 ', wherein, this circular lamp bar 14 ' is attached at the internal face of this housing 11 ', and has a ring-shaped P CB141 ' and a plurality of LED assemblies 142 '.

The LED Recessed light 1 ' that Fig. 1, Fig. 2 and Fig. 3 illustrate, it is the embedding lamp structure using at present often, and has modular construction, is easy to the advantages such as assembling; So, with regard to practice face, existing LED Recessed light 1 ', still there is following shortcoming with not enough: cannot fully the fit internal face of housing 11 ' of ring-shaped P CB141 ', therefore, when those LED assemblies 142 ' are luminous, its heat producing cannot see through ring-shaped P CB141 ' and conduct to housing 11 ', causes the inner phenomenon that hot stack occurs of housing 11 '.

Therefore, the comprehensive above-mentioned explanation for current existing LED Recessed light, can learn that existing LED Recessed light tool still has many shortcomings with not enough; In view of this, creator of the present utility model does one's utmost study and composition in addition, and has has finally researched and developed a kind of LED light fixture of the present utility model.

Utility model content

Main purpose of the present utility model, be to provide a kind of LED light fixture, wherein, be different from existing LED Recessed light, among this LED light fixture, with a pliability substrate, be attached at especially the internal face of housing, the base material of usining as circuit layer and a plurality of LED assemblies, and do not use for example rigid base material of circuit board; Wherein, because pliability substrate has the soft characteristic of matter, therefore can make by the mode of extruding it closely attach the internal face of housing; So,, when those LED assemblies are luminous, its heat producing just can see through solder joint and conduct to pliability substrate, then by pliability substrate, heat is conducted to housing further, then sees through loose the removing of heat that housing produces LED assembly.

In order to reach above-mentioned purpose of the present utility model, designer of the present utility model proposes a kind of LED light fixture, comprising:

One housing, its bottom offers an irradiation mouth, and is formed with a supporting part between the internal face of the side of this housing and this irradiation mouth;

One diffusion sheet, within being placed in this housing, and is carried by this supporting part;

One LGP, is placed on this diffusion sheet;

One pliability substrate, is attached at the internal face of the side of this housing by a heat-conducting glue;

One circuit layer, is attached on this pliability substrate by a thermal plastic insulation, and has a plurality of welded gaskets, and wherein the plurality of welded gasket is arranged at the internal face of this pliability substrate;

A plurality of LED assemblies, are arranged at the internal face of this pliability substrate, and are welded to each other with those welded gaskets;

At least one LED fixture, is placed in the bottom of those LED assemblies, in order to assist to fix the position of those LED assemblies;

One reflection welding resisting layer, the inner surface of this pliability substrate is set, and covers circuit layer, and this reflection welding resisting layer has a plurality of welding holes, and those welded gaskets can be exposed to outside this reflection welding resisting layer;

One reflector plate, within being placed in this housing, and is positioned at the top of this pliability substrate; And

One top cover, in conjunction with this housing, with an open top of casing.

LED light fixture as above, wherein, this pliability substrate is thin aluminium foil or thin copper foil.

LED light fixture as above, wherein, is formed with a plurality of grooves on the top surface of the side of this housing.

LED light fixture as above, wherein, this pliability substrate also comprises a plurality of the first sticking parts, is formed at respectively the top margin of the plurality of subbase part, and embeds respectively and fit among the plurality of groove by one first heat-conducting glue.

LED light fixture as above, wherein, a plurality of subbase parts form circular this banded pliability substrate, and, the plurality of welded gasket is arranged on each subbase part in couples, and the plurality of LED assembly is arranged at respectively on each subbase part, and is welded to each other with those welded gaskets.

LED light fixture as above, wherein, a plurality of subbase parts form this pliability substrate of polygon band shape, and, the plurality of welded gasket is arranged on each subbase part in couples, and the plurality of LED assembly is arranged at respectively on each subbase part, and is welded to each other with those welded gaskets.

LED light fixture as above, wherein, this LED assembly is horizontal packaged type LED assembly, chip direct package type (chip on board, COB) LED assembly or chip package type (Flip Chip, F/C) LED assembly.

LED light fixture as above, wherein, described described chip package type LED assembly is by least one LED chip is arranged on a substrate, and first coated with a transparent colloid on this LED chip, more then coated with a fluorescent material, make.

LED light fixture as above, wherein, described chip direct package type LED assembly, comprising:

One substrate;

At least one LED chip, is arranged on this substrate;

One transparent colloid, covers this LED chip; And

One fluorescent material, is arranged on this substrate, in order to cover this LED chip and this transparent colloid.

LED light fixture as above, also comprises an edges of boards electric current preventing layer, coats on the internal face of side of this housing, and between the internal face and this pliability substrate of the side of this housing.

LED light fixture as above, wherein, this pliability substrate also comprises a plurality of the second sticking parts, is formed at respectively between any two adjacent subbase parts, in order to fit on this supporting part by one second heat-conducting glue.

LED light fixture as above, wherein, is also formed with a plurality of embeded slots between the internal face of the side of this housing and this supporting part, in order to supply respectively the embedding on the base of those subbase parts.

Compared with prior art, the beneficial effects of the utility model are:

1. compared to existing LED Recessed light, in the utility model, with a pliability substrate 14, be attached at especially the internal face of this housing 11, using the base material with those LED assemblies 16 as circuit layer 15, and do not use for example rigid base material of circuit board; Wherein, because pliability substrate 14 has the soft characteristic of matter, therefore can make by the mode of extruding it closely attach the internal face of housing 11; So,, when those LED assemblies 16 are luminous, its heat producing just can see through solder joint and conduct to pliability substrate 14, then by pliability substrate 14, heat is conducted to housing 11 further, then sees through loose the removing of heat that housing 11 produces LED assembly 16.

2. in addition, compared to existing LED Recessed light, housing 11 of the present utility model has a plurality of grooves 113 on the top surface of side, is more formed with a plurality of embeded slots 114 between the internal face of its side and this supporting part 112.Separately, the pliability substrate 14 being formed by a plurality of subbase parts 141, it only has a plurality of the first sticking parts 142; So, when pliability substrate 14 is attached at the internal face of side of this housing 11, the plurality of the first sticking part 142 embeds respectively among the plurality of groove 113; Meanwhile, the base of those subbase parts 141 is also embedded among this embeded slot 114 simultaneously, within effectively pliability substrate 14 being positioned to this housing 11 in this way.

Accompanying drawing explanation

Fig. 1 is a kind of stereogram of existing LED Recessed light;

Fig. 2 is the explosive view of existing LED Recessed light;

Fig. 3 is the side view of existing LED Recessed light;

Fig. 4 is the three-dimensional combination figure of a kind of LED light fixture of the present utility model;

Fig. 5 is the three-dimensional exploded view of LED light fixture;

Fig. 6 is the side sectional view of LED light fixture;

Fig. 7 is the pliability substrate of LED light fixture, a plurality of LED assembly and the stereogram that reflects welding resisting layer;

Fig. 8 A, Fig. 8 B and Fig. 8 C are LED assembly DE lateral plan;

Fig. 9 is the combination stereogram of housing, pliability substrate and a plurality of LED assemblies of LED light fixture; And

Figure 10 is the side sectional view of LED light fixture.

Main symbol description in figure:

1:LED light fixture

11: housing 12: diffusion sheet

13: LGP 14: pliability substrate

15: circuit layer 16:LED assembly

16a:LED fixture 17: reflector plate

18: top cover 111: irradiate mouth

112: supporting part 113: groove

114: embeded slot 141: subbase part

143: the second sticking parts of 142: the first sticking parts

151: welded gasket 19: reflection welding resisting layer

191: welding hole 21:LED chip

21a: transparent colloid 22: substrate

23: fluorescent material

1 ': LED Recessed light

11 ': housing 12 ': diffusion sheet

13 ': LGP 14 ': circular lamp bar

15 ': reflector plate 16 ': bottom

141 ': ring-shaped P CB 142 ': LED assembly

The specific embodiment

A kind of LED light fixture proposing in order more clearly to describe the utility model, below will coordinate graphicly, elaborate preferred embodiment of the present utility model.

Please refer to Fig. 4, Fig. 5 and Fig. 6, the three-dimensional combination figure of a kind of LED light fixture of the present utility model, three-dimensional exploded view and side sectional view.As shown in the figure, LED light fixture 1 of the present utility model comprises: a housing 11, a diffusion sheet 12, a LGP 13, a pliability substrate 14, a circuit layer 15, a plurality of LED assembly 16, at least one LED fixture 16a, a reflector plate 17 and a top cover 18, wherein, the bottom of this housing 11 offers an irradiation mouth 111, and is formed with a supporting part 112 between the internal face of the side of this housing 11 and this irradiation mouth 111; Separately, on the top surface of the side of this housing 11, be also formed with a plurality of grooves 113.

Hold above-mentioned explanation, within diffusion sheet 12 is placed in this housing 11, and carried by this supporting part 112, and this LGP 13 is placed on this diffusion sheet 12.Especially, in the utility model, by thin aluminium foil or this made pliability substrate 14 of thin copper foil, by a heat-conducting glue, be attached at the internal face of the side of this housing 11, and this pliability substrate 14 can be a circular banded pliability substrate or the banded pliability substrate of a polygon consisting of a plurality of subbase parts 141.As shown in the figure, pliability substrate 14 also includes a plurality of the first sticking parts 142 and a plurality of the second sticking parts 143, wherein, the plurality of the first sticking part 142 is formed at respectively the top margin of the plurality of subbase part 141, and by a heat-conducting glue, is embedded respectively and fitted among the plurality of groove 113; Separately, 143 of the plurality of the second sticking parts are formed at respectively between any two adjacent subbase parts 141, in order to fit in by heat-conducting glue on this supporting part 112.So, by the upper and lower laminating of the first sticking part 142 and the second sticking part 143, make this pliability substrate 14 can firmly be attached at the internal face of the side of this housing 11.

And circuit layer 15 is attached on this pliability substrate 14 by a thermal plastic insulation, and there are a plurality of welded gaskets 151; As shown in Figure 5, those welded gaskets 151 are arranged on each subbase part 141 in couples.Separately, the plurality of LED assembly 16 is arranged at respectively on each subbase part 141, and is welded to each other with those welded gaskets 151; This LED fixture 16a is placed in the bottom of those LED assemblies 16, in order to assist to fix the position of those LED assemblies 16; Although the LED fixture 16a shown in Fig. 3 is single adhesive tape, not as limit, can coordinate different products and change to be designed to two (or more than) adhesive tape.Within 17 of this reflector plates are placed in this housing 11, and be positioned at the top of this pliability substrate 14; Finally, this top cover 18 is in conjunction with this housing 11, with an open top of casing 11.

So, the architecture of above-mentioned complete description LED light fixture of the present utility model.Please then consult again Fig. 7, pliability substrate, a plurality of LED assembly and the stereogram that reflects welding resisting layer.As shown in Figure 7, in order to prevent that solder overflow from betiding between those LED assemblies 16, can, in this LED light fixture 1 of manufacture, between this pliability substrate 14 and the plurality of LED assembly 16, add one deck reflection welding resisting layer 19; Wherein, this reflection welding resisting layer 19 is formed at the inner surface of this pliability substrate 14 by the white paint printing of a tool heat radiation function, and cover circuit layer 15, and this reflection welding resisting layer 19 has a plurality of welding holes 191, and those welded gaskets 151 can be exposed to outside this reflection welding resisting layer 19.In addition, in order to prevent the generation of edges of boards electric current, and then make this LED light fixture 1 can bear high voltage, can when manufacturing, be coated with an edges of boards electric current preventing layer (not shown) on the internal face of the side of housing 11; So arrange, just can increase the proof voltage number of pliability substrate 14, circuit layer 15 and this LED assembly 16, extend the service life of the LED daylight lamp fixture 1 of the all-round light of convergence of the present utility model.

Please continue to refer to Fig. 8 A, Fig. 8 B and Fig. 8 C, the lateral plan of LED assembly.As shown in Figure 8 A, it can be horizontal packaged type LED assembly for this LED assembly that the utility model is used 16, for example: pcb board type LED assembly, metallic support type LED assembly, TSOP LED assembly or side view LED assembly.In addition, as shown in Figure 8 B, the LED assembly 16 that the utility model is used, it can be also chip direct package type (chip on board, COB) LED assembly; This chip direct package type LED assembly is by least one LED chip 21 is arranged on a substrate 22, and makes coated with a fluorescent material 23.And, because seeing through gold thread, LED chip 21 is welded on this substrate 22, therefore, for fear of gold thread oxidation, must with a transparent colloid 21a, cover this LED chip 21 again, then with fluorescent material 23, cover this LED chip 21 and this transparent colloid 21a again.Moreover, as shown in Figure 8 C, the LED assembly 16 that the utility model is used, it can be also chip package type (Flip Chip, F/C) LED assembly; Wherein, this chip package type (Flip Chip, F/C) LED assembly is by least one LED chip 21 is directly welded on a substrate 22, more then coated with a fluorescent material 23, makes.In practical application COB technology, during in the utility model, this substrate 22 refers to the subbase part 141 of the pliability substrate 14 with this copper wire layer.

If using chip package type LED assembly as LED assembly 16, more particularly mode is on the copper wire layer 15 that all LED chips 21 (as shown in Figure 8 C) can be soldered in advance on the subbase part 141 of corresponding pliability substrate 14 (as shown in Figure 5); Then, then with a fluorescent material 23 cover all LED chips 21.Same, if using chip direct package type LED assembly as LED assembly 16, can use gold thread all LED chips 21 (as shown in Figure 8 B) to be soldered in advance on the copper wire layer 15 on the subbase part 141 of corresponding pliability substrate 14 (as shown in Figure 5); Then, then coated with a transparent colloid 21a on all LED chips 21, last with a fluorescent material 23, cover this transparent colloid 21a and all LED chip 21 again.

Although the laminating type of pliability substrate shown in above-mentioned Fig. 5 and Fig. 6 14 and housing 11, the upper and lower laminating by the first sticking part 142 and the second sticking part 143 completes, right, not with this, limits enforcement aspect of the present utility model.Refer to Fig. 9, the combination stereogram of housing, pliability substrate and a plurality of LED assemblies; And, please refer to Figure 10, the side sectional view of LED light fixture of the present utility model.As shown in Figures 9 and 10, housing 11 has a plurality of grooves 113 on the top surface of side, is also formed with a plurality of embeded slots 114 between the internal face of its side and this supporting part 112.Separately, the pliability substrate 14 being formed by a plurality of subbase parts 141, it only has a plurality of the first sticking parts 142; So, when pliability substrate 14 is attached at the internal face of side of this housing 11, the plurality of the first sticking part 142 embeds respectively among the plurality of groove 113; Meanwhile, the base of those subbase parts 141 is also embedded among this embeded slot 114 simultaneously, within effectively pliability substrate 14 being positioned to this housing 11 in this way.

Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.

Claims

1. a LED light fixture, is characterized in that, comprising:

One LGP, is placed on this diffusion sheet;

One top cover, in conjunction with this housing, with an open top of casing.

2. LED light fixture according to claim 1, is characterized in that, wherein, this pliability substrate is thin aluminium foil or thin copper foil.

3. LED light fixture according to claim 1, is characterized in that, wherein, is formed with a plurality of grooves on the top surface of the side of this housing.

4. LED light fixture according to claim 3, is characterized in that, wherein, this pliability substrate also comprises a plurality of the first sticking parts, is formed at respectively the top margin of the plurality of subbase part, and embeds respectively and fit among the plurality of groove by one first heat-conducting glue.

5. LED light fixture according to claim 1, it is characterized in that, wherein, a plurality of subbase parts form circular this banded pliability substrate, and, the plurality of welded gasket is arranged on each subbase part in couples, and the plurality of LED assembly is arranged at respectively on each subbase part, and is welded to each other with those welded gaskets.

6. LED light fixture according to claim 1, it is characterized in that, wherein, a plurality of subbase parts form this pliability substrate of polygon band shape, and, the plurality of welded gasket is arranged on each subbase part in couples, and the plurality of LED assembly is arranged at respectively on each subbase part, and is welded to each other with those welded gaskets.

7. LED light fixture according to claim 1, is characterized in that, wherein, this LED assembly is horizontal packaged type LED assembly, chip direct package type LED assembly or chip package type LED assembly.

8. LED light fixture according to claim 7, it is characterized in that, wherein, described chip package type LED assembly is by being arranged at least one LED chip on one substrate, and first coated with a transparent colloid on this LED chip, more then coated with a fluorescent material, make.

9. LED light fixture according to claim 7, is characterized in that, wherein, described chip direct package type LED assembly, comprising:

One substrate;

At least one LED chip, is arranged on this substrate;

One transparent colloid, covers this LED chip; And

10. LED light fixture according to claim 1, is characterized in that, also comprises an edges of boards electric current preventing layer, coat on the internal face of side of this housing, and between the internal face and this pliability substrate of the side of this housing.

11. LED light fixtures according to claim 4, is characterized in that, wherein, this pliability substrate also comprises a plurality of the second sticking parts, are formed at respectively between any two adjacent subbase parts, in order to fit on this supporting part by one second heat-conducting glue.

12. LED light fixtures according to claim 4, is characterized in that, wherein, between the internal face of the side of this housing and this supporting part, are also formed with a plurality of embeded slots, in order to supply respectively the embedding on the base of those subbase parts.