TWM521144U - Multi-face illuminating LED lamp strip structure - Google Patents

Description

Multi-faceted LED strip structure

The present invention relates to a multi-faceted LED light bar structure, in particular to a long strip-shaped LED tube, and the tubular outer ring can be illuminated by an LED strip structure.

The light-emitting diode (hereinafter referred to as LED) is a kind of light-emitting element which is quite energy-saving and has the advantages of long life, no harmful metal pollution to the environment, etc., and has gradually replaced the traditional power-saving light bulb, fluorescent lamp, incandescent lamp and fluorescent light. Lights, etc., become the source of illumination in everyday life. However, LED bulbs or tubes are still difficult to dissipate heat and are not waterproof.

Generally, LED tubes similar to fluorescent tubes, as shown in Figure 1, have only a single luminous surface, but such as long tubes in advertising signs, long street lights in parks, or some modeling lamps that require multi-faceted illumination. It is impossible to replace the fluorescent tube with an LED tube, so it is still necessary to use a power-saving and environmentally-friendly fluorescent tube for improved space.

In order to solve the foregoing problems, the object of the present invention is to provide a multi-faceted LED strip structure, which can improve a single-sided LED strip to have a plurality of LED emitting surfaces, which can replace the traditional fluorescent tube to be required to be multi-faceted. The occasion is environmentally friendly, easy to dissipate heat and waterproof.

In order to achieve the above objectives, the multi-faceted LED strip structure package provided by the present creation a metal base and a plurality of circuit substrates, wherein the metal base has a long hollow polygon, and the side edges of the plurality of outer side surfaces are provided with side plates, wherein the circuit substrate has a long strip shape, and one of the surfaces is distributed There is a plurality of LED die sets to form a light-emitting surface, each circuit substrate is engaged between the two side plates, and the light-emitting surface faces outward to form a multi-faceted LED light bar. The creation utilizes the high heat dissipation of the metal base. The LED crystal element is easy to dissipate heat, and the light-emitting cover and the waterproof glue are used to make the LED light strip of the creation more effective.

10‧‧‧LED strips

20‧‧‧Metal base

21, 22‧‧‧ outside surface

23‧‧‧ side panels

24‧‧‧ card slot

30‧‧‧ circuit board

31‧‧‧Control circuit

32‧‧‧Flexible wire

40‧‧‧LED wafer group

50‧‧‧Transparent cover

51‧‧‧ card hooks

60‧‧‧Waterproof block

70‧‧‧Waterproof glue

80‧‧‧Metal base

81~84‧‧‧ outside surface

85‧‧‧ side panels

Figure 1 is a schematic diagram of a conventional single-sided LED light bar.

The second figure is a three-dimensional schematic diagram of the structure of the double-illuminated LED light bar of the present invention.

Figure 3 is a perspective exploded view of one of the light-emitting surfaces of Figure 2.

Figure 4 is a schematic view of the A-A section of the LED strip of Figure 2.

Figure 5 is a perspective view of the structure of the LED light bar with four sides illuminated.

Figure 6 is a schematic view of the A-A section of the LED strip of Figure 5.

Fig. 7 is a perspective view showing an embodiment of the present long strip LED screw bulb.

The LED light bar structure of the present invention has the effect of multi-face light emission. Therefore, the double-illuminated LED light bar structure shown in FIG. 2, FIG. 3 and FIG. 4 is first described as an embodiment; The structure of the four-sided illuminated LED light bar shown in FIG. 6 and FIG. 6 is an embodiment; however, the present invention can provide different embodiments such as three-sided illumination, five-sided, six-sided or eight-sided illumination, but only the base The shape and the number of light-emitting surfaces are different, and the rest of the structure are the same, so it will not be repeated.

Please refer to FIG. 2, FIG. 3 and FIG. 4 together. FIG. 2 is a perspective view showing the structure of the double-sided light-emitting LED light bar; FIG. 3 is a three-dimensional decomposition of one of the light-emitting surfaces of FIG. Schematic diagram; Fig. 4 is a schematic view of the AA cut surface of the LED strip of Fig. 2. The LED light bar 10 structure of the present invention comprises at least a metal base 20, a plurality of circuit substrates 30 and a plurality of LED die sets 40. The metal base 20 of the present embodiment has a long hollow polygonal shape. As shown in FIG. 4, the metal base 20 in this embodiment has a rectangular shape. In other embodiments, the metal base can be The shape of the metal base of a triangle, a square, or a polygon over four sides is not limited by the embodiment of the present specification.

Side plates 23 extending along the long side edges are provided on the long side edges of the two outer side surfaces 21, 22 of the metal base 20, such as the upper and lower outer side surfaces 21, 22 in the present example, to make the metal The upper and lower ends of the base 20 have an upwardly open U-shape and a downwardly open U-shape. Preferably, the metal substrate 20 of the present invention is integrally formed by cutting a metal material having a high heat dissipation coefficient such as aluminum metal or aluminum alloy. Further, as shown in FIG. 4, the hollow inner surface of the metal base 20 is provided with irregularities, and the other outer surfaces of the metal base 20 without the side plates (such as the left and right outer surfaces) are also provided with irregularities. Shaped teeth to increase the heat dissipation area of the metal base 20.

In this embodiment, the circuit board 30 has two strips, and the circuit board 30 can be a printed circuit board or a circuit board with a high thermal conductivity, such as an aluminum substrate. The two circuit boards 30 are respectively received between the two side plates 23 at the upper end of the metal base 20 and between the two side plates 23 at the lower end, and are respectively accommodated in parallel with the upper end outer surface 21 and the lower end outer surface 22 of the metal base 20. A plurality of LED die sets 40 are disposed on one surface of each of the circuit substrates 30. Each of the LED die sets 40 may be a single LED die, or a plurality of LED wafers, and may be a single color LED die. Or a multi-color LED die, and the surface of the circuit substrate 30 where the LED die set 40 is located A light emitting surface is opened toward the upper end opening or the lower end of the metal base 20.

Each of the circuit boards 30 is further provided with a control circuit 31 electrically connected to the LED die set 40 for controlling the LED die set 40 to emit light; and the thermal energy generated when the LED die set 40 emits light can be provided by the circuit substrate 30. Conducted to the metal base 20 for heat dissipation. In this embodiment, the length of the circuit substrate 30 can be equal to the length of the metal base 20, so that a circuit substrate 30 is disposed in each of the upper end of the metal base 20 and the lower end of the U-shaped opening. The two circuit boards 30 are connected in series or in parallel with each other by the conductive wires 32, and can be connected to the circuit board in the other group of LED strips 10 in series or in parallel, or can be electrically connected to an external power source or controller. (not shown).

In the embodiment of the present invention, a waterproof stop 60 is embedded in each of the two sides of the upper end opening and the lower end opening of the metal base 20 for plugging the two ends of the sealing metal base 20, As shown in Figures 2 and 3. Preferably, the waterproof stop 60 can be a resilient plastic or rubber. In addition, each of the LED die sets 40 on the circuit substrate 30 is covered with a cap-shaped transmissive cover 50. As shown in FIGS. 2 and 3, the transmissive cover 50 has a square cap shape. However, the appearance of the translucent cover 50 of the present invention is not limited to the shape of the present embodiment. Preferably, the inner or outer surface of the light transmissive cover 50 of the present invention may be coated with a layer of phosphor material to enhance or soften the light emitted by the LED chip set 40.

As shown in FIG. 2 and FIG. 3 , at least two hooking pieces 51 are respectively disposed on the two side plates 23 of the light-transmitting cover 50 in the present embodiment. The side plates 23 of the metal base 20 extend, and the inner side surfaces of the two side plates 23 of the metal base 20 are provided with at least one card slot 24 corresponding to the hook piece 51. The hooking piece 51 of the transparent cover 50 can be hooked into the card slot 24 to fix the transparent cover 50 to seal the LED chip set 40 to achieve waterproof effect. The purpose of this creation is to emphasize that the translucent cover 50 not only protects the LED chip set 40 from achieving waterproof effect, but also the card when the construction is carried out. In the card slot 24, the transparent cover 50 presses the circuit substrate 30 downward, so that the circuit substrate 30 can be evenly laid on the surface of the metal base 20 to achieve better heat transfer and heat dissipation. Further, a heat dissipation paste may be applied between the circuit board 30 and the surface of the metal base 20 to enhance the heat transfer and heat dissipation effects of the circuit board 30.

In the present embodiment, a waterproof adhesive 70 may be injected into the gap between each of the transparent cover 50 and the circuit substrate 30, as shown in FIG. 4, to prevent water stain from penetrating into the transparent cover 50. The waterproof adhesive 70 can completely cover the upper surface of the circuit substrate 30 and cover the LED control circuit 31, but the upper surface of the transparent cover 50 exposes the waterproof adhesive 70, so that the inner side of the metal base 20 forms a completely waterproof seal. status. The double-sided LED strips are suitable for signboards, billboards or intersection signs that require double-sided illumination.

Please refer to FIG. 5 and FIG. 6 together. FIG. 5 is a schematic perspective view of the structure of the LED light strip with four sides of the light, and FIG. 6 is a schematic view of the A-A cut surface of the LED strip of FIG. In the embodiment, the LED strip 10 of the present invention is an embodiment of four-sided illumination, wherein the metal base 80 has a rectangular hollow square shape with four outer surfaces 81-84, and two adjacent outer surfaces. A side panel 85 extending along the long side edge is provided, in other words, a side panel 85 is shared by each of the two adjacent outer surfaces. The hollow inner surface of the metal base 80 is provided with irregularities, and the surface of the side plate is also provided with irregularities to increase the heat dissipation area of the metal base 80.

In the embodiment, the circuit substrate 30 has four strips, and the circuit board 30 preferably has a length corresponding to the length of the metal base 80. The four circuit substrates 20 are respectively placed on the four outer side surfaces 81 to 84 of the metal base 80 and between each of the two side plates 85. Similarly, a plurality of LED die sets (not shown in the figure, the same as FIG. 3) and the light transmissive cover 50 are distributed on the surface of the circuit substrate 30 in this embodiment, and the circuits of the LED die sets are located. Luminescence formed on the surface of the substrate 30 In this way, the LED array of four sides located on the four sides of the metal base 80 can be illuminated toward the outer sides of the four sides.

Similarly, the four circuit boards 30 in this embodiment are connected to each other in series or in parallel by conductive lines (not shown in the drawings, and the same as the second and third figures), and can be further combined with the other group of LED strips 10. The circuit substrates are connected in series or in parallel with each other, or can be electrically connected to an external power source or controller (not shown). Waterproof blocks 60 are also respectively embedded in the opening at both side ends of each of the metal bases 80 to plug the side end openings of the sealed metal base 80. Similarly, in the embodiment, the embodiment of FIGS. 2 and 3 can also seal the transparent cover 50, the side plate 85 and the stopper 60 with the waterproof glue 70 to prevent water from infiltrating. The four-sided LED strips are suitable for cylindrical lamps, advertising billboards or park landscape lamps that require full illumination.

Please refer to FIG. 7 , which is a perspective view of an embodiment of the long strip LED screw bulb of the present invention. This creation can be made into screw specifications compatible with general light bulbs according to requirements, allowing users to install the LED bulbs of this creation. For example, Figure 7 is designed to be mounted on the screw socket of E14 or E27. LED bulb embodiment.

In summary, the technical content and technical features of the multi-faceted LED strip structure of the present invention have been disclosed as above. However, those having ordinary knowledge in the technical field of the present invention should understand that the creation defined by the scope of the appended patent application is not deviated. The teachings and disclosures of the present invention may be substituted and modified in various embodiments within the spirit and scope. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application.

10‧‧‧LED strips

80‧‧‧Metal base

81~84‧‧‧ outside surface

85‧‧‧ side panels

30‧‧‧ circuit board

31‧‧‧Control circuit

50‧‧‧Transparent cover

60‧‧‧Waterproof block

Claims (13)

A multi-faceted LED light bar structure comprises: a metal base having a long hollow polygonal shape, wherein a side edge of a plurality of outer side surfaces of the metal base is provided with a side plate; and a plurality of circuit substrates are long strips a plurality of LED die sets are disposed on one surface of each of the circuit substrates to form a light emitting surface; wherein the circuit substrates are respectively parallel to one of the outer side surfaces of the metal base, and are received therein Between the two side plates, and the light emitting surface faces outward, a multi-faceted elongated LED light bar is formed. The multi-faceted LED strip structure according to claim 1, wherein the metal base has a polygonal shape of a triangle, a rectangle, a square, or a polygon of more than four sides. The multi-faceted LED strip structure of claim 1, wherein the side panel extends along a long side edge of the metal base. The multi-faceted LED strip structure of claim 3, wherein the side plate is shared between two adjacent outer side surfaces of the metal base. The multi-faceted LED strip structure as claimed in claim 1, further comprising: two waterproof blocks respectively embedded in openings at both side ends of the metal base to seal the side end openings of the metal base. The multi-faceted LED strip structure according to claim 5, wherein the waterproof blocks are made of elastic plastic or rubber. The multi-faceted LED strip structure as claimed in claim 1, which further comprises: A transparent waterproof glue covers the light emitting surface of each of the circuit substrates. The multi-faceted LED strip structure of claim 7, further comprising: a plurality of transparent covers covering each of the LED units, and the upper surface of the transparent cover is exposed outside the transparent waterproof adhesive . The multi-faceted LED strip structure of claim 8, wherein the transmissive cover is provided with at least one hook piece facing the side plate, and a surface of the side plate is provided with a card slot, and the hook piece can be hooked to Inside the card slot. The multi-faceted LED strip structure as claimed in claim 1, further comprising: a plurality of translucent covers having a long flat shape, the long width of which corresponds to the long width of the metal base, and each of the transmissive covers is respectively covered Covered on each of the circuit substrates, the side edges are engaged in a card slot of the side plate. The multi-faceted LED strip structure according to claim 1, wherein the hollow inner side surface of the metal base has irregularities. The multi-faceted LED strip structure of claim 1, wherein the LED arrays are provided with a plurality of LED chips, and each of the circuit boards is further provided with an LED control circuit and the LED units. Sexual connections to control the color of the LED chips to illuminate or control the illumination. The multi-faceted LED strip structure of claim 12, further comprising a plurality of conductive lines electrically connected to each of the circuit boards for serially/parallel connecting the LED control circuits, or electrically connected to an external power supply or control Device.