TWM448610U - LED lamp - Google Patents

Description

Light-emitting diode lamp

This creation is about a luminaire, especially a luminaire.

In recent years, Light Emitting Diode (LED) has been widely used in various lighting fixtures because of its advantages of high brightness, power saving, environmental protection, and long service life. However, due to the limited illumination angle of the LED, when the LED is applied to the lighting fixture, although the illumination angle can be concentrated within the necessary range, the utilization of the light energy can be greatly improved, but relatively speaking, Achieve large angle lighting effects of traditional incandescent bulbs or fluorescent lamps. Therefore, it is still difficult to replace conventional incandescent bulbs with bulb-type lamps that currently use LEDs as a light source.

In order to achieve the purpose of improving the illumination angle of LED lamps, the designs adopted in the prior art are roughly classified into three categories: First, as shown in the new patent case of "Light Emitting Diode Lamps" of Taiwan Patent No. M406694, the system changes LEDs. The orientation of the arrangement is such that a part of the LEDs illuminate in the forward direction of the luminaire and the other part of the LED illuminates in the lateral direction of the luminaire. However, the problem of this design is that the LEDs are directly irradiated in various directions, respectively. It is completely untreated, so there will be a problem that the local brightness is too bright, and a dead angle with insufficient illumination brightness will be generated between the two adjacent LEDs, resulting in poor overall light distribution uniformity; secondly, such as Taiwan Patent No. M415250 No. "Multi-angle illumination structure and its bulb structure", which shows that the first LED is illuminated toward the forward direction of the bulb, and an inverted cone-shaped optics is used. The piece reflects the light of the plurality of second LEDs, so that the light of the second LED is irradiated toward the outside of the bulb to achieve a wide-angle effect. However, the design is still because of the first LED and the second LED. There is a problem that the brightness of the illumination is insufficient, which leads to a poor uniformity of the overall light distribution. Furthermore, the LED circuit board is first high, and LEDs are arranged on the top and bottom surfaces of the LED circuit board. At the same time, the optical reflector is used to reflect the light of the LED disposed on the bottom surface of the LED circuit board to further reach the wide angle. However, under the design of the LED circuit board, it is difficult to discharge the LED circuit board. The problem of heat generated.

As described above, the prior art LED lamps still need further improvement.

In view of the problems of the prior art described above, the purpose of the present invention is to provide a Light Emitting Diode (LED) lamp having a wide angle illumination range and good heat dissipation capability and good light distribution uniformity.

In order to achieve the above-mentioned creative purpose, the technical means utilized in the present invention is that a light-emitting diode lamp includes: a lamp holder, the top surface of the lamp holder forms an opening, and the cover is provided with a lamp cover, the lamp cover and the lamp cover An LED housing is disposed in the accommodating space, the LED module includes a circuit board and a plurality of first LEDs, and the top surface of the circuit board is formed as a a first light reflecting surface, the first LED is disposed on a top surface of the circuit board; a first light reflecting body, the first light reflecting body is disposed in the receiving space, the first light reflecting body has a top and a An extension, the top Provided along the inner top surface of the lampshade, the extension portion extends from a top surface of the top portion toward a direction in which the circuit board is disposed, the extension portion having an inverted cone having a width of an upper width and a lower width and a concave arc of the outer wall surface And a top surface of the top portion forms a third light reflecting surface with the outer wall surface of the extending portion.

The LED lamp further includes a second light reflecting body disposed on a top surface of the circuit board, wherein the second light reflecting body has a width and a width narrower and narrower, and the outer wall surface A fourth light reflecting surface having a concave curved surface is formed.

The bottom surface of the circuit board can be formed as a second light reflecting surface, and the LED module can further include a plurality of second LEDs disposed on a bottom surface of the circuit board, wherein the LED light fixture can further The third light reflecting body is disposed between the circuit board and the opening of the lamp holder, and the outer wall surface of the third light reflecting body forms a concave curved surface of the fifth light reflecting surface. .

The extension of the first light reflecting body and the second light reflecting body may be integrally connected.

The inner surface of the first light reflector and the inner portion of the second light reflector may be hollow and connected, and the top surface of the circuit board of the LED module may further be provided with at least a third LED. The third LED corresponds to the inside of the second light reflector.

The plurality of perforations may be further formed at intervals in the circuit board, and the perforations may be arranged in a ring shape. The top surface of the third light reflecting body may be spaced through the forming plurality of perforations, and the perforations of the third light reflecting body respectively Corresponding to the perforations of the circuit board, the bottom surface of the second light reflecting body may be formed with a plurality of positioning hook portions, and the positioning hook portions respectively penetrate the circuit The perforation of the plate and the perforation of the third light reflecting body are opposite to the third light reflecting body.

The first light reflecting body can be made of a material that can partially and partially reflect light.

The top surface and the bottom surface of the circuit board may be sprayed with a material that reflects light to form the first light reflecting surface and the second light reflecting surface.

The circuit board may be an aluminum substrate to form the first light reflecting surface and the second light reflecting surface.

The top surface and the bottom surface of the circuit board may respectively be provided with a sheet having a reflective effect to form the first light reflecting surface and the second light reflecting surface.

An advantage of the present invention is that the third, fourth, and fifth light reflecting surfaces are formed by the first, second, and third light reflecting bodies, and then the first and second light reflecting surfaces of the circuit board are matched. To reflect the light emitted by the first LED, the second LED and the third LED, the LED luminaire can achieve the effect of wide-angle illumination, and at the same time, the intensity of the light source in each direction can be more uniform. Moreover, each light reflector can also serve as a heat conduction and heat dissipation component for dissipating the heat energy generated by the LED lamp to increase the heat dissipation surface area of the LED lamp, thereby reducing the temperature of the LED lamp, thereby increasing the life of the LED lamp.

The technical means adopted by the present invention for achieving the intended purpose of the invention are further described below in conjunction with the drawings and preferred embodiments of the invention.

As shown in FIG. 1 and FIG. 2, the light emitting diode (LED) lamp of the present invention includes a lamp holder 10, an LED module 20, a first light reflecting body 30, and a second light reflecting body. 40 and a third light reflector 50.

As shown in FIG. 3, the top surface of the socket 10 is formed with an opening 101. The opening 101 is covered with a lamp cover 11. The lamp cover 11 and the lamp holder 10 are surrounded by an accommodation space 12, and the lamp holder is further disposed. A metal base 13 is provided at the bottom of the 10.

The LED module 20 is disposed in the accommodating space 12 . The LED module 20 includes a circuit board 24 , a plurality of first LEDs 21 , a plurality of second LEDs 22 , and at least one third LED 23 .

The top surface of the circuit board 24 is formed as a first light reflecting surface 241, and the bottom surface of the circuit board 24 is formed as a second light reflecting surface 242. Specifically, a material that reflects light can be sprayed on the top and bottom surfaces of the circuit board 24 to form the first light reflecting surface 241 and the second light reflecting surface 242. The circuit board 24 can also be made of aluminum. The substrate is formed by the reflective light effect of the aluminum material to form the first light reflecting surface 241 and the second light reflecting surface 242; or a sheet having a reflective effect may be disposed on the top surface and the bottom surface of the circuit board 24, respectively. The purpose of forming the first light reflecting surface 241 and the second light reflecting surface 242 is achieved. A plurality of through holes 243 are formed in the circuit board 24 at intervals, and the through holes 234 are arranged in a ring shape.

The first LED 21 is disposed on the top surface of the circuit board 24, the second LED 22 is disposed on the bottom surface of the circuit board 24, and the first LED 21 and the second LED 22 are located on the periphery and the perforation of the circuit board 24. Between 243. The third LED 23 is disposed on a top surface of the circuit board 24, and the through hole 243 of the circuit board 24 and the first LED 21 are disposed around the third LED 23.

The first light reflecting body 30 is disposed in the accommodating space 12, and the first light reflecting body 30 has a top portion 31 and an extending portion 32. The top portion 31 is disposed along the inner top surface of the lampshade 11, and the extending portion 32 is disposed. By one of the top 31 The inner top surface extends toward the direction in which the circuit board 24 is disposed. The extending portion 32 has an inverted tapered shape with a width that is narrower than the upper and lower sides, and the outer wall surface has a concave curved surface, and the inner top surface of the top portion 31 and the extending portion 32 The outer wall surface forms a third light reflecting surface 33, and the third light reflecting surface 33 reflects the light of the first LED 21.

The first light reflecting body 30 can be made of a material that can partially and partially reflect the light, such as a Beam Splitter, such that when the light of the first LED 21 is irradiated to the first light reflecting body. At 30 o'clock, it will partially penetrate and partially reflect, and at the same time achieve the effect of increasing the illumination angle of the first LED 21 and evenly distributing light.

The second light reflecting body 40 is disposed on a top surface of the circuit board 24. The second light reflecting body 40 has a width that is narrower than a width and a narrow width, and the outer wall surface forms a fourth light reflecting surface with a concave curved surface. 41. The fourth light reflecting surface 41 reflects the light of the first LED 21 to illuminate the light of the first LED 21 toward the side of the LED light fixture. Further, the bottom surface of the second light reflector 40 is spaced apart. The plurality of positioning hooks 42 are formed by extension, and the positioning hooks 42 respectively penetrate the through holes 243 of the circuit board 24.

In the specific embodiment of the present invention, the extending portion 32 of the first light reflecting body 30 and the second light reflecting body 40 are connected to each other, so that the first light reflecting body 30 and the second light reflecting body 40 can be integrally formed. The inside of the first light reflecting body 30 and the inside of the second light reflecting body 40 are hollow and communicate with each other, and the third LED 23 is correspondingly located inside the second light reflecting body 40, so that the first The light of the three LEDs 23 can be illuminated toward the front of the LED lamp via the top 31 of the first light reflector 30, and the top 31 of the first light reflector 30 can be transparent or reflective or both light and reflective. Effect to match the overall light source of the LED lamp Degree, so that the intensity of the light source is uniform.

The third light reflecting body 50 is disposed between the circuit board 24 and the opening 101 of the socket 10. The outer wall surface of the third light reflecting body 50 forms a concave curved surface of the fifth light reflecting surface 51. The fifth light reflecting surface 51 can reflect the light of the second LED 22 to illuminate the light of the second LED 22 toward the side of the LED lamp. Moreover, the top surface of the third light reflecting body 50 abuts and supports the circuit board 24. The top surface of the third light reflecting body 50 is spaced through the forming plurality of through holes 52, and the respective through holes 52 of the third light reflecting body 50 are respectively The positioning hooks 42 of the second light reflecting body 40 are further disposed in the through holes 52 of the third light reflecting body 50 and are opposite to the third light reflecting body 50. To fix the position of the second light reflector 40.

Referring to another preferred embodiment of the present invention shown in FIG. 4, the second light reflecting surface of the bottom surface of the circuit board 24A, the second LED disposed on the bottom surface of the circuit board 24A, and the third light reflection are omitted. The body is disposed, and the first light reflecting surface 241A, the first light reflecting body 30A and the second light reflecting body 40A on the top surface of the circuit board 24A are used to reflect the first LED 22A disposed on the top surface of the circuit board 24A. The light emitted.

The third, fourth, and fifth light reflecting surfaces 33, 41, 51 are formed by the first, second, and third light reflecting bodies 30, 30A, 40, 40A, and 50, and the circuit board is matched. 24, 24A first and second light reflecting surfaces 241, 241A, 242 to reflect the light emitted by the first LED 21, the second LED 22, 22A and the third LED 23, so that the LED light fixture achieves wide-angle illumination The effect is also to make the intensity of the light source in all directions more uniform. In addition, each light reflector 30, 30A, 40, 40A, 50 can also be used as In order to dissipate the heat conduction and heat dissipation components of the thermal energy generated by the LED lamp, the heat dissipation surface area of the LED lamp is increased to reduce the temperature of the LED lamp, thereby increasing the life of the LED lamp.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The present invention has been described above by way of preferred embodiments, but is not intended to limit the present invention, and any skilled person skilled in the art. Any simple modifications, equivalent changes and modifications to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the technical solutions of the present invention.

10‧‧‧ lamp holder

101‧‧‧ openings

11‧‧‧shade

12‧‧‧ accommodating space

13‧‧‧Metal lamp holder

20‧‧‧Light Emitting Diode (LED) Module

21‧‧‧First LED

22, 22A‧‧‧ second LED

23‧‧‧ Third LED

24, 24A‧‧‧ circuit board

241, 241A‧‧‧ first light reflecting surface

242‧‧‧second light reflecting surface

243‧‧‧Perforation

30, 30A‧‧‧First light reflector

31‧‧‧ top

32‧‧‧Extension

33‧‧‧ Third light reflecting surface

40, 40A‧‧‧second light reflector

41‧‧‧ fourth light reflecting surface

42‧‧‧ positioning hook

50‧‧‧3rd light reflector

51‧‧‧ Fifth light reflecting surface

52‧‧‧Perforation

Figure 1 is a perspective view of a preferred embodiment of the present invention.

2 is an exploded perspective view of a preferred embodiment of the present invention.

Figure 3 is a cross-sectional side view of a portion of the components of the preferred embodiment of the present invention.

Figure 4 is a cross-sectional side view of a portion of another preferred embodiment of the present invention.

10‧‧‧ lamp holder

11‧‧‧shade

13‧‧‧Metal lamp holder

20‧‧‧Light Emitting Diode (LED) Module

21‧‧‧First LED

24‧‧‧ boards

30‧‧‧First light reflector

40‧‧‧Second light reflector

50‧‧‧3rd light reflector

Claims (11)

A light emitting diode (LED) lamp having a lamp holder, an LED module and a first light reflecting body, wherein: a top surface of the lamp socket forms an opening, and the opening is provided with a cover a lamp cover, the lamp cover and the lamp holder are surrounded by an accommodating space; the LED module is disposed in the accommodating space, the LED module comprises a circuit board and a plurality of first LEDs, and the top surface of the circuit board is formed as a first light reflecting surface, the first LED is disposed on a top surface of the circuit board; the first light reflecting body is disposed in the receiving space, the first light reflecting body has a top portion and an extension portion, the top portion Provided along the inner top surface of the lampshade, the extension portion extends from a top surface of the top portion toward a direction in which the circuit board is disposed, the extension portion having an inverted cone having a width of an upper width and a lower width and a concave arc of the outer wall surface And a top surface of the top portion forms a third light reflecting surface with the outer wall surface of the extending portion. The LED lamp of claim 1, further comprising a second light reflector disposed on a top surface of the circuit board, the second light reflector having a width that is narrower than a width And the outer wall surface forms a concave surface of the fourth light reflecting surface. The LED lamp of claim 1, wherein: the bottom surface of the circuit board is formed as a second light reflecting surface; the LED module further includes a plurality of second LEDs disposed on the bottom surface of the circuit board The LED light fixture further includes a third light reflecting body disposed between the circuit board and the opening of the lamp socket, and the outer wall surface of the third light reflecting body forms a concave curved surface The fifth light reflecting surface. The LED lamp of claim 2, wherein: the circuit board The bottom surface is formed as a second light reflecting surface; the LED module further includes a plurality of second LEDs disposed on the bottom surface of the circuit board; the LED light fixture further includes a third light reflecting body, the third light The reflector is disposed between the circuit board and the opening of the lamp holder, and the outer wall surface of the third light reflector forms a concave surface of the fifth light reflecting surface. The LED lamp of claim 2 or 4, wherein the extension of the first light reflector is integrally connected to the second light reflector. The LED lamp of claim 5, wherein: the interior of the first light reflector and the interior of the second light reflector are hollow and connected; the top surface of the circuit board of the LED module is further provided with at least one The three LEDs are correspondingly located inside the second light reflector. The LED lamp of claim 3 or 4, wherein: the circuit board is further formed with a plurality of perforations formed by a plurality of perforations, and the perforations are arranged in a ring shape; the top surface of the third light reflecting body is spaced through the forming plurality of perforations, the first Each of the perforations of the three light reflectors respectively correspond to the perforations of the circuit board; the bottom surface of the second light reflector is formed with a plurality of positioning hook portions, and the positioning hook portions respectively penetrate the perforations of the circuit board and the third light The perforation of the reflector is opposite to the third light reflector. The LED lamp of any one of claims 1 to 4, wherein the first light reflector is made of a material that partially penetrates and partially reflects light. The LED lamp of claim 3, wherein the top surface and the bottom surface of the circuit board are coated with a material that reflects light to form the first light reflecting surface and the second light reflecting surface. The LED lamp of claim 3 or 4, wherein the circuit board is An aluminum substrate is formed to form the first light reflecting surface and the second light reflecting surface. The LED lamp of claim 3 or 4, wherein the top surface and the bottom surface of the circuit board are respectively provided with a sheet having a reflective effect to form the first light reflecting surface and the second light reflecting surface.