CN217544651U

CN217544651U - Backlight structure of LED lamp

Info

Publication number: CN217544651U
Application number: CN202221080555.8U
Authority: CN
Inventors: 吴展; 蒋赟
Original assignee: Jiande Shanneng Technology Co ltd
Current assignee: Jiande Shanneng Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-04
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a structure in a poor light of LED lamp relates to LED display panel field, including frame, LED base plate and LED lamp pearl, heat conduction graphite alkene layer and heat conduction silicone grease layer have set gradually by LED base plate to LED lamp pearl between LED base plate and the LED lamp pearl, the top on heat conduction silicone grease layer is provided with copper frame layer, copper frame layer is provided with vertically and horizontally staggered and is orthogonal to the planar thin copper sheet in heat conduction silicone grease layer, the intraformational thin copper sheet of copper frame separates LED lamp pearl on with the LED base plate alone. The utility model discloses fill heat conduction silicone grease layer around the LED lamp pearl on the LED base plate, fill heat conduction graphite alkene layer in the below of heat conduction silicone grease, use thin copper sheet simultaneously and part LED lamp pearl alone, enlarged LED lamp pearl and distributed thermal circulation way, the heat that makes LED lamp pearl send can the efficient be derived, can not increase the thickness and the cost of LED lamp backlight structure simultaneously.

Description

Backlight structure of LED lamp

Technical Field

The utility model relates to a LED display panel field specifically is a backlight structure of LED lamp.

Background

With the development of LED backlight technology, higher and higher requirements are put on the physical size of the LED backlight system, the heat dissipation of the backlight system, and the like.

The related technology can refer to a Chinese patent with an authorization publication number of CN207851470U, and discloses an LED backlight structure, which comprises an LED backlight strip, wherein one side of the LED backlight strip is connected with a heat dissipation plate through a heat conduction adhesive layer, one side of the heat dissipation plate, which is far away from the heat conduction adhesive layer, is connected with a back plate, the thickness of the back plate is larger than that of the heat dissipation plate, the heat dissipation plate is connected with the back plate through a first plug-in structure, the LED backlight strip is connected with the heat dissipation plate through a second plug-in structure, the second plug-in structure penetrates through the heat conduction adhesive layer, a plurality of mounting grooves are formed in one side of the heat dissipation plate, which is close to the heat conduction adhesive layer, thermoelectric conversion modules, which are abutted against the heat conduction adhesive layer, are respectively arranged in the mounting grooves, the thermoelectric conversion modules are connected with a controller, a driving motor, which is connected with the controller, is arranged on one side of the back plate, which is far away from the heat dissipation plate, and is connected with a heat dissipation impeller.

For the related technologies, the inventor thinks that the LED lamp backlight structure needs to convert heat through the heat conversion module, and the converted energy is used to drive the motor to dissipate heat of the LED lamp backlight structure, so that a large amount of waste exists in the energy conversion process, the energy conversion structure is complex, the size, weight and manufacturing cost of the LED lamp backlight structure are increased, and the heat dissipation effect of the LED lamp backlight structure is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a backlight structure of LED lamp to it is too troublesome to lead to the not good technical problem of radiating effect to solve current LED lamp backlight structure heat radiation structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure in a poor light of LED lamp, includes frame, LED base plate and LED lamp pearl, have set gradually heat conduction graphite alkene layer and heat conduction silicone grease layer by LED base plate to LED lamp pearl between LED base plate and the LED lamp pearl, the top on heat conduction silicone grease layer is provided with the copper frame layer, the copper frame layer is provided with vertically and horizontally staggered and the quadrature in the planar thin copper sheet of heat conduction silicone grease layer, the intraformational thin copper sheet of copper frame separates LED lamp pearl on the LED base plate alone.

Through adopting above-mentioned technical scheme, fill heat conduction silicone grease layer around the LED lamp pearl on the LED base plate, fill heat conduction graphite alkene layer in the below of heat conduction silicone grease, use thin copper sheet to part LED lamp pearl alone simultaneously, enlarged LED lamp pearl and distributed thermal circulation way, the heat that makes LED lamp pearl send can the efficient be derived, can not increase the thickness and the cost of LED lamp backlight structure simultaneously.

The utility model discloses further set up to, the LED lamp pearl of top is connected through the wire to the LED base plate.

Through adopting above-mentioned technical scheme, the LED base plate passes through the wire and supplies power for LED lamp pearl.

The utility model discloses further set up to, the top on heat conduction silicone grease layer is provided with the reflector layer.

Through adopting above-mentioned technical scheme, the reflector layer can improve the utilization ratio that LED lamp pearl distributed out the light source.

The utility model discloses further set up to, the edge of LED base plate is provided with the frame.

By adopting the technical scheme, the multilayer structure in the LED backlight structure is limited by the frame.

The utility model discloses further set up to, the top on copper frame layer is provided with the encapsulation layer.

Through adopting above-mentioned technical scheme, can prevent that steam and oxygen from invading from LED packaging structure upper strata.

The utility model discloses further set up to, the lower extreme of LED base plate is provided with down the encapsulated layer.

Through adopting above-mentioned technical scheme, can prevent that steam and oxygen from invading from LED packaging structure's lower floor.

The utility model discloses further set up to, LED lamp pearl, reflector layer, heat conduction silicone grease layer and heat conduction graphite alkene layer in close contact with.

Through adopting above-mentioned technical scheme, prevent to appear the air bed between the multilayer structure, guarantee the good heat conductivility of multilayer structure.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a fill heat conduction silicone grease layer around the LED lamp pearl on the LED base plate, fill the heat conduction graphite alkene layer in the below of heat conduction silicone grease, use thin copper sheet to part LED lamp pearl alone simultaneously, enlarged the circulation way that LED lamp pearl distributes the heat, the heat that makes LED lamp pearl send can be derived by the high efficiency, can not increase the thickness and the cost of LED lamp backlight structure simultaneously;

2. the utility model discloses a set up the reflector layer around LED lamp pearl, make the light that LED lamp pearl distributes export upwards more efficiently, improve the luminance of LED panel;

3. the utility model discloses a set up the heat conduction silicone grease layer, enlarge the area of contact of LED lamp pearl and heat conduction silicone grease under the prerequisite that does not influence LED lamp pearl and give out light, reduce the area of contact of LED lamp pearl and air, improved the heat derivation efficiency of LED lamp pearl;

4. the utility model discloses a set up heat conduction graphite alkene layer below heat conduction silicone grease layer, heat conduction graphite alkene layer can the efficient transversely derive the heat on heat conduction silicone grease layer, avoids the heat to pile up at the middle part of LED structure in a poor light, and the temperature obviously is higher than the condition of ambient temperature in the middle of producing, has prolonged the life of LED structure in a poor light.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention;

fig. 3 is a structural inner perspective view of the present invention;

fig. 4 is a front view of the present invention.

In the figure: 1. a frame; 2. an LED substrate; 3. a wire; 4. LED lamp beads; 5. a thermally conductive silicone layer; 6. a thermally conductive graphene layer; 7. a copper frame layer; 8. an upper encapsulation layer; 9. a lower encapsulation layer; 10. a light reflecting layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

A backlight structure of an LED lamp is disclosed, as shown in figures 1-4, a heat conduction graphene layer 6 and a heat conduction silicone grease layer 5 are sequentially arranged between an LED substrate 2 and an LED lamp bead 4 from the LED substrate 2 to the LED lamp bead 4, heat emitted by a non-luminous part of the LED lamp bead 4 is rapidly conducted downwards through the heat conduction silicone grease in the heat conduction silicone grease layer 5 at the bottom end, the heat in the heat conduction silicone grease layer 5 is transferred into the heat conduction graphene layer 6, graphene in the heat conduction graphene layer 6 is rapidly and transversely transferred, a copper frame layer 7 is arranged above the heat conduction silicone grease layer 5, the copper frame layer 7 is provided with thin copper sheets which are vertically and horizontally staggered and orthogonally arranged on the plane of the heat conduction silicone grease layer 5, the thin copper sheets in the copper frame layer 7 separate the LED lamp beads 4 on the LED substrate 2 independently, the contact area between the LED lamp beads 4 and air is reduced, the copper frame layer 7 separate the LED lamp beads 4 rapidly conducts the heat emitted by the luminous part to the heat conduction silicone grease layer 5 through the thin copper sheets, and the heat radiation efficiency of the backlight structure of the LED lamp is greatly improved.

Please refer to fig. 4, the edge of the LED substrate 2 is provided with a frame 1, the multilayer structure in the LED backlight structure is limited by the frame 1, the circuit in the LED substrate 2 is connected to the LED lamp bead 4 above through a wire 3, the LED substrate 2 supplies power to the LED lamp bead 4 through a wire 3, the top of the heat-conducting silicone grease layer 5 is provided with a reflecting layer 10, a 10-bit mirror surface of the reflecting layer, the reflecting layer 10 can improve the utilization rate of the light source emitted by the LED lamp bead 4, in order to prevent an air layer from appearing between the multilayer structure, ensure the good heat-conducting performance of the multilayer structure, the LED lamp bead 4, the reflecting layer 10, the heat-conducting silicone grease layer 5 is in close contact with the heat-conducting graphene layer 6, and the heat emitted by the LED lamp bead 4 can be efficiently conducted out.

Please refer to fig. 2 and 4, the top of copper frame layer 7 is provided with upper packaging layer 8, upper packaging layer 8 is a high-flux packaging board, it is guaranteed that light emitted by LED lamp bead 4 can efficiently pass through, and it can prevent water vapor and oxygen from invading from the upper layer of the LED packaging structure, the lower end of LED substrate 2 is provided with lower packaging layer 9, it can prevent water vapor and oxygen from invading from the lower layer of the LED packaging structure, and the service life of the device is prolonged.

The utility model discloses a theory of operation does: the heat that LED lamp pearl 4 non-luminous portion gived off conducts downwards fast through the heat conduction silicone grease in the heat conduction silicone grease layer 5 of bottom, heat transfer in the heat conduction silicone grease layer 5 is to in the heat conduction graphite alkene layer 6, through the quick horizontal transmission of the graphite alkene in the heat conduction graphite alkene layer 6, the area of contact of LED lamp pearl 4 with the air has been reduced, give heat conduction silicone grease layer 5 through the quick conduction of the heat that thin copper sheet gave out LED lamp pearl luminous portion with the copper frame layer 7 that LED lamp pearl 4 is separated, the radiating efficiency of LED lamp backlight structure has been improved greatly.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a structure in a poor light of LED lamp, includes frame (1), LED base plate (2) and LED lamp pearl (4), its characterized in that: the LED lamp is characterized in that a heat conduction graphene layer (6) and a heat conduction silicone grease layer (5) are sequentially arranged between the LED substrate (2) and the LED lamp beads (4) from the LED substrate (2) to the LED lamp beads (4), a copper frame layer (7) is arranged above the heat conduction silicone grease layer (5), the copper frame layer (7) is provided with thin copper sheets which are vertically and horizontally staggered and orthogonal to the plane of the heat conduction silicone grease layer (5), and the thin copper sheets in the copper frame layer (7) separate the LED lamp beads (4) on the LED substrate (2) independently.

2. The backlight structure of an LED lamp according to claim 1, wherein: the LED substrate (2) is connected with the LED lamp beads (4) above through the wires (3).

3. The backlight structure of an LED lamp according to claim 1, wherein: a reflecting layer (10) is arranged above the heat-conducting silicone grease layer (5).

4. The backlight structure of an LED lamp according to claim 1, wherein: the edge of the LED substrate (2) is provided with a frame (1).

5. The backlight structure of an LED lamp according to claim 1, wherein: and an upper packaging layer (8) is arranged at the top end of the copper frame layer (7).

6. The backlight structure of an LED lamp according to claim 1, wherein: the lower end of the LED substrate (2) is provided with a lower packaging layer (9).

7. The backlight structure of an LED lamp according to claim 3, wherein: the LED lamp bead (4), the reflecting layer (10), the heat-conducting silicone grease layer (5) and the heat-conducting graphene layer (6) are in close contact.