TWM454505U - LED light bulb - Google Patents

Description

LED bulb

This creation is about the design of an LED (Light-Emitting Diode) lamp, especially for an LED bulb with an illumination angle greater than 180 degrees.

LED is a kind of semiconductor component. At the beginning of development, it is mostly used in non-illuminating light sources, such as indicator lights, due to its brightness and color. With the advancement of technology, after the white LED has begun mass production, it has gradually become a light source for illumination, such as LED bulbs. Moreover, because LEDs have the advantages of low energy consumption, long service life, no flicker of light source, and low pollution, it has become a trend to replace traditional tungsten filament bulbs with LED bulbs.

However, the characteristics of the LED itself are different from those of the conventional tungsten filament lamp. They must be packaged into a single point source, and then more than one LED is placed on the circuit board, so the illumination angle cannot be 360 degrees like a conventional bulb, only The circuit board is used as a light-emitting plane to emit light above the circuit board. Therefore, the illumination angle of the conventional LED bulb is only about 180 degrees.

Therefore, the purpose of this creation is to provide an LED bulb with a large illumination angle.

Another purpose of this creation is to provide LED bulbs with better heat dissipation.

The present invention provides an LED bulb for the technical means for solving the problems of the prior art, comprising a lampshade, a lamp body, a lamp cap and an LED module. The lampshade is a shell and has an opening. Light body has a bearing portion, a receiving portion and a side extending portion, the carrying portion has an upper bearing surface and a side bearing surface integrally extending from a side surface of the upper bearing surface, and the receiving portion has a self-side bearing surface integrally extending downwardly and gradually The side extension extends integrally downward from the receiving portion, the side extension portion has a connecting portion, and the lamp body is sleeved with the opening of the lamp cover. The lamp cap is connected to the connection portion. The LED module is electrically connected to the lamp cap, and is disposed on the bearing surface and the side bearing surface.

In one embodiment of the present invention, the maximum angle of the edge of the opening of the lampshade to the center of illumination of the lampshade is 30 degrees.

In one embodiment of the present invention, the lamp body has a heat sink fin.

In one embodiment of the present invention, the surface of the lamp body has a heat dissipation layer.

In one embodiment of the present invention, the lamp body is a hollow housing.

In an embodiment of the present invention, the LED module includes an upper lamp plate and a flexible lamp plate. The upper lamp plate has a circular plate shape and is disposed on the upper bearing surface, and the flexible lamp plate is annularly disposed on the side bearing surface.

In one embodiment of the present invention, the flexible panel includes a plurality of LEDs arranged in a ring.

In an embodiment of the present invention, the lampshade is a light transmissive lampshade.

In one embodiment of the present invention, the carrying mask has a through hole.

In one embodiment of the present invention, the connecting portion is a connecting thread and the base has an engaging thread corresponding to the connecting thread.

In an embodiment of the present invention, the carrying portion has a receiving groove on the upper carrying mask.

In an embodiment of the present invention, the carrying portion has a stepped seating step on the side carrying mask.

Through the technical means adopted by the creation, the illumination angle of the LED bulb using the LED module can reach 330 degrees of full illumination. Moreover, the lamp body has rapid heat conduction, large contact air area, and fast heat exchange rate between the surface heat dissipation layer and the air, thereby effectively reducing the temperature of the LED and prolonging the service life of the LED bulb.

The specific embodiments of the present invention will be further described by the following examples and accompanying drawings.

Referring to FIGS. 1 to 4, FIG. 1 is a perspective view showing the LED bulb of the first embodiment of the present invention, and FIG. 2 is an exploded view showing the LED bulb of the first embodiment of the present invention. The figure shows a cross-sectional view of the LED bulb of the first embodiment of the present invention, and FIG. 4 shows a schematic diagram of the light irradiation angle of the LED bulb of the first embodiment of the present invention. The LED bulb 100 of the first embodiment of the present invention comprises a lamp body 1, an LED module 2, a lamp cap 3, and a lamp cover 4.

In this embodiment, the lamp body 1 is a circular column-shaped hollow casing, and is made of a material with good heat conduction and heat dissipation (for example, metal). Of course, the creation is not limited thereto, and the lamp body may also be Square column housing or other columns of various shapes. The lamp body 1 has a carrying portion 11, a receiving portion 12, a side extending portion 13, and a heat dissipation layer 14. The upper portion of the lamp body 1 is a carrier portion 11 which is cylindrical in this embodiment and has an upper bearing surface 111 and a side bearing surface 112. The upper bearing surface 111 is an upper surface of the bearing portion 11 , and the receiving portion 11 is recessed downwardly on the bearing surface 111 to form a receiving groove 113 for arranging the LED module 2 . The bearing surface 111 has a through hole 110 for connecting to the upper surface. A wire L between the LED module 2 and the lamp cap 3 passes through. The side bearing surface 112 extends integrally downward from the side surface of the upper bearing surface 111, and the bearing portion 11 is retracted in the radial direction of the cylinder at the side bearing surface 112 to form a stepped seating step 114 on the side of the bearing portion 1. To set the LED module 2. By accommodating the groove 113 as a concave and accommodating step 114 is a retracted structure, and the volume of the carrying portion 11 is reduced, so that the overall volume of the LED bulb 100 is reduced.

The receiving portion 12 has a self-side bearing surface 112 and integrally extends downwardly and gradually expands to form a middle portion of the lamp body 1. In the present embodiment, the receiving portion 12 has a tapered bottle shape. By the downwardly extending surface of the receiving portion 12, the contact area of the lamp body 1 with the air is large, and the heat dissipation effect is improved. Moreover, since the receiving portion 12 is narrow and wide, the upper bearing portion 11 is made relatively small, and does not block the LED module disposed on the side bearing surface 112 to emit light, and then the light emitted by it is gradually expanded. The surface is shot to achieve a large angle of illumination.

The side extension portion 13 extends integrally downward from the receiving portion 12 to form a lower portion of the lamp body 1. The side extension 13 has a set of members 131 and a connecting portion 132. The sleeve member 131 is used to fix the lamp cover 4, and the connecting portion 132 is used to connect the lamp cap 3. The connecting portion 132 is a connecting thread in the embodiment, and the base 3 has an engaging thread 31 corresponding to the connecting thread. The connecting thread and the engaging thread 31 are screwed to each other so that the lamp body 1 and the base 3 are fixedly fixed. By means of snapping, bonding, etc.

In this embodiment, the heat dissipation layer 14 is a heat dissipation material coating applied to the surface of the lamp body 1. Of course, it can also be applied to the hollow inner surface of the lamp body 1 (not shown) to improve the heat of the lamp body 1. The efficiency of heat dissipation into the air effectively reduces the temperature of the LED bulb 100.

The LED module 2 includes an upper light board 21 and a soft light board 22. The upper light board 21 includes one or more LEDs 211, which are in the shape of a disk and are disposed in the receiving groove 113 of the upper bearing surface 111, so that the light-emitting angle θ1 of the upper light-emitting board 21 on the upper bearing surface 111 is close to 180 degrees. . In the present embodiment, the flexible lamp panel 22 is annularly disposed on the receiving step 114 of the side bearing surface 112, and the flexible panel 22 includes a plurality of annular arrays of LEDs 221 such that the azimuth angle φ of the illumination reaches 360. Degree and side bearing surface 112 The illumination angle θ2 is close to 180 degrees. As described above, by superimposing the illumination angles of the upper lamp board 21 and the soft lamp board 22, the total illumination angle of the LED module 2 is more than 330 degrees of full-circumference.

In the embodiment, the lampshade 4 is a spherical shell-shaped translucent lampshade, which is made of high-scattering matte glass, so that the LED module light source is irradiated to the lampshade and diffused into more compliant light. Of course, the present invention is not limited thereto, and the lampshade 4 may be non-spherical, such as a football shape, a conical shape, or a hollow hole design, and the material may be transparent glass or the like as long as it can transmit light. The lamp cover 4 has an opening 41. The opening 41 is sleeved and fixed to the sleeve member 131 so that the lamp cover 4 covers the bearing portion 11 and the receiving portion 12, that is, the LED module 2 is located in the lamp cover 4. The maximum angle between the edge of the opening 41 of the lampshade 4 and the center of illumination of the lampshade 4 is 30 degrees, and the center of illumination 42 is defined as the intersection of the LED 221 on the flexible panel 22 above the downwardly illuminated boundary line P, and the illumination The angle θ3 between the center 42 and the opposite side edge 411 of the opening 41 is 30 degrees (as shown in Fig. 4). Thereby, the cover range of the lamp cover 4 is made 330 degrees, and the light is emitted at 330 degrees corresponding to the full circumference of the LED module 2. In the present embodiment, the sleeve member 131 and the lamp cover 4 are fixedly connected by means of a snap fit. Of course, the present invention is not limited thereto, and may be screwed or bonded.

According to the above technical means, the LED bulb 100 of the present embodiment has the effect of 330 degrees of full-circumference illumination, and the illumination range angle is larger, so that the LED bulb 100 can be applied to more kinds of occasions. Furthermore, the heat of the LED module 2 is conducted to the lamp body 1 by being in thermal contact with the plane of the bearing surface 111 and the side bearing surface 112, and then the heat is quickly transmitted through the integrally formed lamp body 1 to conduct heat evenly to the entire lamp. The body 1 further increases the surface area in contact with the air by the inner surface of the lamp body 1 and the surface of the receiving portion 12, and the heat dissipation layer 14 on the surface of the lamp body 1 connects the lamp body 1 and the air. The rate of heat exchange between them is accelerated, thereby Heat the heat quickly into the air. Thereby, the heat dissipation effect is better, and the temperature of the LED module is effectively reduced, and the service life is prolonged.

Referring to Fig. 5, it is an exploded view of the LED bulb of the second embodiment of the present invention. The LED bulb 100a of the second embodiment has substantially the same structure as the LED bulb 100 of the first embodiment, and the difference is that the side of the lamp body 1a of the LED bulb 100a further has a plurality of heat dissipation fins 15, and the heat dissipation fins 15 have self-lighting bodies. The heat sink body 151 integrally extending outward from the side of the receiving portion 12a of 1a increases the surface area of the lamp body 1a in contact with the air, so that the heat dissipation effect is better. In this embodiment, each of the fins 15 is arranged on the side of the receiving portion 12a, and the shape is matched with the diverging surface of the receiving portion 12a, and is outwardly and obliquely extended from top to bottom. The light emitted by the LED module 2 is irradiated to the bottom of the reticle 4 to achieve the effect of 330 degrees of full-circumference light. Of course, the present invention is not limited thereto, and the heat dissipation fins may be disposed on the side extensions, or the heat dissipation fins may be coated with a heat dissipation layer to help dissipate heat. Others are the same as the first embodiment and will not be described again.

The above description is only for the preferred embodiment of the present invention, and those skilled in the art can make other improvements according to the above description, but these changes still belong to the creative spirit of the creation and the patents defined below. In the scope.

100, 100a‧‧‧LED bulbs

1, 1a‧‧‧ body

11‧‧‧Loading Department

110‧‧‧through hole

111‧‧‧ bearing surface

112‧‧‧ side bearing surface

113‧‧‧ accommodating slots

114‧‧‧ 容 阶

12.12a‧‧‧Receiving Department

13‧‧‧Side extension

131‧‧‧Sets

132‧‧‧Connecting Department

14‧‧‧heat layer

15‧‧‧ Heat sink fins

151‧‧ ‧ heat sink

2‧‧‧LED module

21‧‧‧Uplight board

211‧‧‧LED

22‧‧‧Soft board

221‧‧‧LED

3‧‧‧ lamp holder

31‧‧‧Joint thread

4‧‧‧shade

41‧‧‧ openings

411‧‧‧ edge

42‧‧‧Lighting Center

L‧‧‧ lines

P‧‧‧Light path

Θ1, θ2, θ3‧‧‧ angle

Φ‧‧‧ azimuth angle

1 is a perspective view showing an LED bulb of a first embodiment of the present invention; FIG. 2 is an exploded view showing the LED bulb of the first embodiment of the present invention; and FIG. 3 is a view showing a first embodiment of the present creation. a cross-sectional view of the LED bulb; Fig. 4 is a view showing the light irradiation angle of the LED bulb of the first embodiment of the present invention; and Fig. 5 is an exploded view showing the LED bulb of the second embodiment of the present invention.

100‧‧‧LED bulb

1‧‧‧Light body

11‧‧‧Loading Department

110‧‧‧through hole

111‧‧‧ bearing surface

112‧‧‧ side bearing surface

113‧‧‧ accommodating slots

114‧‧‧ 容 阶

12‧‧‧Acceptance Department

13‧‧‧Side extension

2‧‧‧LED module

21‧‧‧Uplight board

211‧‧‧LED

22‧‧‧Soft board

221‧‧‧LED

3‧‧‧ lamp holder

31‧‧‧Joint thread

4‧‧‧shade

41‧‧‧ openings

411‧‧‧ edge

Claims (12)

An LED light bulb comprising: a lamp cover having a shell shape and having an opening; a lamp body having a bearing portion, a receiving portion and a side extending portion, the carrying portion having an upper bearing surface and a self-supporting portion a side bearing surface integrally extending from a side of the upper bearing surface, the receiving portion having a surface extending downwardly from the side bearing surface, the side extending portion extending integrally downward from the receiving portion, the side extending portion having a connecting portion, and the lamp body is sleeved with the opening of the lamp cover; a lamp cap is connected to the connecting portion; and an LED module electrically connected to the lamp cap is disposed on the bearing surface and the side bearing surface. The LED light bulb of claim 1, wherein the edge of the opening of the lampshade has a maximum angle of 30 degrees to the center of illumination of the lampshade. The LED light bulb of claim 1, wherein the lamp body has a heat dissipating fin. The LED light bulb of claim 1, wherein the surface of the lamp body has a heat dissipation layer. The LED light bulb of claim 1, wherein the lamp body is a hollow casing. The LED light bulb of claim 1, wherein the LED module comprises an upper light panel and a flexible light panel, wherein the upper light panel is in a circular plate shape and is disposed on the upper bearing surface, the flexible light panel It is arranged in an annular shape and is disposed on the side bearing surface. The LED light bulb of claim 6, wherein the flexible light panel comprises a plurality of LEDs arranged in a ring shape. The LED light bulb of claim 1, wherein the light cover is a light-transmitting light cover. The LED light bulb of claim 1, wherein the carrying mask has a through hole. The LED light bulb of claim 1, wherein the connecting portion is a connecting thread, and the base has a pair of engaging threads to which the thread should be connected. The LED light bulb of claim 1, wherein the carrying portion has a receiving groove on the upper carrying mask. The LED light bulb of claim 1, wherein the carrying portion has a receiving step on the side carrying mask.