TW201408943A - Omni directional LED bulb - Google Patents

Abstract

The present invention relates to an omni directional LED bulb, in which a plurality of LEDs is configured to surround the top, bottom and lateral side surfaces of a flat circuit substrate. An accommodation space is arranged at the center of the bottom surface of the flat circuit substrate and connected to a heat conducting pipe. The other end of the heat conducting pipe is connected to the light bulb head. A glass lampshade is fixed at the bulb head so as to enclose the flat circuit substrate, the plurality of LEDs and the heat conducting pipe. The present invention can provide 360-degree (omni directional) illumination, it has advantages of high heat dissipation, less light attenuation, simple structure and low manufacturing costs.

Description

Full-circle light-emitting diode bulb

The invention relates to a light-emitting diode bulb, in particular to a full-circumference light-emitting diode bulb which can emit 360 degrees.

After the invention of the light-emitting diode in 1962, the light-emitting diode (LED) has high durability, small volume, considerable power saving, mass production, and non-glare, and in recent years, the production of light-emitting diodes The technology has been improved, and the luminous efficiency has been greatly increased. It has been used as a light-emitting device. At present, it has gradually replaced the traditional tungsten filament bulb with large power consumption and high heat energy.

A conventional LED bulb 50 is shown in the first figure. A lamp holder 52 is provided with a power cord 54 and a heat pipe 56, a substrate 58 and a power line 54 and a heat pipe 56. One end is connected, and a plurality of light-emitting diodes 60 are disposed on the substrate 58. The power supply line 54 is connected to the lamp holder 52. After the lamp holder 52 is connected to the mains, the light-emitting diode 60 is illuminated by the commercial power. A lamp cover 62 is sleeved on the lamp holder 52 to cover the substrate 58. However, the lamp cover 62 of the conventional LED body 60 is connected in a bonding manner, unlike the glass lamp cover of the conventional tungsten light bulb at a high temperature. The uncured glass cover is directly joined to the socket 52, so that the lamp cover 62 of the LED bulb 50 is less securely connected to the socket 52. Furthermore, the light-emitting diode 60 is only mounted on the upper surface of the substrate 58, and only has an illuminating light source above, and the lamp holder 52 also blocks the direct route of the light source, so that the light-emitting diode bulb 50 can only emit light at 180 degrees, so the illumination area is equivalent. Limited, and the conventional light-emitting diode bulb 50 must be controlled by the driver control voltage, but the use of the driver makes the overall cost improvement, and the driver is easy to generate high thermal energy, which makes the heat dissipation difficult, and the light decay rate is relatively improved.

In view of the above, the present invention has been directed to the absence of the above-mentioned prior art, and proposes a full-circumference light-emitting diode bulb to effectively overcome the above problems.

The main object of the present invention is to provide a full-circumference light-emitting diode bulb, which is an integrally formed all-glass lampshade, and a light-emitting diode is arranged on the upper and lower surfaces of the substrate to ensure a full-circumferential light-emitting diode. The bulb is illuminated 360 degrees.

Another object of the present invention is to provide a full-period light-emitting diode bulb which does not need to use a driver to cause the light-emitting diode to emit light, thereby reducing heat energy generation, and the present invention separates the heat-conducting tube from the power line to increase heat dissipation. Efficiency to reduce light decay.

Still another object of the present invention is to provide a full-period light-emitting diode bulb which is simple in structure, low in manufacturing cost, and high in production efficiency.

In order to achieve the above object, the present invention provides a full-circumference light-emitting diode bulb which is a flat substrate, and the upper surface, the lower surface and the side surface of the flat substrate are surrounded by a plurality of light-emitting diodes, and under the flat substrate The center of the surface is provided with a receiving portion, and the receiving portion is connected to a heat conducting tube, and the other end of the heat conducting tube is connected with a lamp cap, and a glass lamp cover is fixed on the lamp cap to cover the flat substrate, the plurality of light emitting diodes and the heat conducting tube Covered in a glass lampshade.

For a better understanding and understanding of the structural features and the achievable effects of the present invention, please refer to the preferred embodiment and the detailed description.

The invention is a full-perimeter light-emitting diode bulb capable of 360-degree illumination, and the full-circumference light-emitting diode bulb emits small heat energy, so the lampshade can use the all-glass lampshade without additional heat dissipation mechanism to reduce Cost and production time, production efficiency is extremely high.

Referring to the second and third figures, as shown, the full-circumference light-emitting diode bulb 10 of the present invention includes a flat substrate 12, which may be circular, elliptical, rectangular or polygonal. In the embodiment, the flat substrate 12 is circular, and the flat substrate 12 is made of a metal material to increase heat dissipation efficiency and conductive efficiency, and the flat substrate 12 is provided with an electric circuit to make the upper surface, the lower surface and the side of the flat substrate 12 The plurality of light-emitting diodes 14 disposed around the surface can be electrically connected to the circuit on the flat substrate 12, except that the full-circumference light-emitting diode bulb 10 of the present invention can emit light, and the upper surface and the lower surface of the flat substrate 12 are further And the side surface is surrounded by a plurality of light-emitting diodes 14, so that the light bulb can be 360 degrees. The lower surface of the flat substrate 12 is further provided with a receiving portion 122, and the receiving portion 122 is connected with a heat pipe 16 to The plurality of light-emitting diodes 14 on the flat substrate 12 radiate heat by the heat-conducting tube 16 due to the heat energy generated by the light-emitting, wherein the heat-transfer tube 16 is made of a metal material, which may be copper or aluminum to increase the heat conduction effect, and conduct heat. 16 is a hollow tubular shape, which can increase the heat dissipation efficiency. The heat pipe 16 is further provided with two power lines 18, and the power line 18 is electrically connected to the circuit on the flat substrate 12, and the heat pipe 16 and the other end of the power line 18 are combined with one. The lamp cap 20 is connected, and the lamp cap 20 is connected to the mains to electrically connect the light emitting diode 14 to emit light, and the invention separates the heat pipe 16 from the power line 18, thereby increasing the heat dissipation efficiency and reducing the light to less than 1%; A glass lamp cover 22 is fixed on the 20, and the glass lamp cover 22 directly engages the uncured glass lamp cover 22 and the lamp cap 20 at a high temperature, so that the glass lamp cover 20 packs the flat substrate 12, the plurality of light-emitting diodes 14 and the heat-transfer tube 16 Covered within the glass shade 22. A lamp 24 is further disposed in the lamp cap 20 to convert the alternating current into direct current, so that the light-emitting diode 14 is not required to be illuminated by the driver, so that the heat energy emitted by the full-circumference light-emitting diode bulb 10 itself can be reduced. Furthermore, the glass lampshade 22 of the present invention is a full-glass lampshade, and the lampshade used in the conventional light-emitting diode bulb is not a half-mask type. Therefore, the present invention uses a glass lampshade to further enable the present invention. The full-period light-emitting diode bulb 10 of the Ming Dynasty can emit light 360 degrees, and has no obstacle in the transmission of light.

Continuing to refer to the second and third figures, as shown, the flat substrate 12 of the full-circumference light-emitting diode bulb 10 of the present invention further includes an upper flat substrate 124 and a lower flat substrate 126, and the receiving portion 122 is Since the lower flat substrate 126 is provided, the material of the upper flat substrate 124 can be made of aluminum only, which can save cost and speed up the heat conduction.

In summary, the present invention is a one-piece all-glass lamp cover, and a plurality of light-emitting diodes are disposed on the upper and lower surfaces and sides of the substrate to ensure 360-degree illumination of the full-period light-emitting diode bulb, and the present invention does not need The light-emitting diode can be used to illuminate the light-emitting diode, the heat energy can be reduced, and the heat-conducting tube can be separated from the power line to increase the heat-dissipating efficiency and reduce the light decay, and the invention has the advantages of simple structure, low manufacturing cost and high production efficiency.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.

10‧‧‧Full-circumferential light-emitting diode bulb

12‧‧‧flat substrate

14‧‧‧Lighting diode

16‧‧‧Heat pipe

18‧‧‧Power cord

20‧‧‧ lamp holder

22‧‧‧glass shade

24‧‧‧Rectifier

50‧‧‧Lighting diode bulb

52‧‧‧ lamp holder

54‧‧‧Power cord

56‧‧‧Heat pipe

58‧‧‧Substrate

60‧‧‧Lighting diode

62‧‧‧shade

122‧‧‧ 容 部

124‧‧‧Upper flat substrate

126‧‧‧ Lower flat substrate

The first figure is a perspective view of a conventional light-emitting diode bulb.

The second figure is a perspective view of the light-emitting diode bulb of the present invention.

The third figure is an exploded view of the light-emitting diode bulb of the present invention.

10‧‧‧Full-circumferential light-emitting diode bulb

12‧‧‧flat substrate

14‧‧‧Lighting diode

16‧‧‧Heat pipe

18‧‧‧Power cord

20‧‧‧ lamp holder

22‧‧‧glass shade

24‧‧‧Rectifier

122‧‧‧ 容 部

124‧‧‧Upper flat substrate

126‧‧‧ Lower flat substrate

Claims (10)

A full-period light-emitting diode bulb includes: a flat substrate having a receiving portion at a center of a lower surface of the flat substrate; a plurality of light-emitting diodes disposed around an upper surface, a lower surface, and a side surface of the flat substrate; a heat pipe connected to the receiving portion; a lamp cap connected to the heat pipe; and a glass lamp cover fixed to the lamp cap, and the flat substrate, the light emitting diodes and the heat pipe package Covered in the glass lampshade. The full-peripheral light-emitting diode bulb according to claim 1, wherein the heat-transfer tube is a hollow tubular shape. The full-circumference light-emitting diode bulb of claim 2, further comprising two power lines disposed in the heat pipe, the power line connecting the substrate and the lamp head, wherein the substrate is further provided with a circuit, The power line is electrically connected to cause the light emitting diode to emit light. The full-peripheral light-emitting diode bulb according to claim 1, wherein the flat substrate further comprises an upper flat substrate and a lower flat substrate, and the receiving portion is disposed on the lower flat substrate. The full-peripheral light-emitting diode bulb according to claim 1, wherein the flat substrate is made of a metal material. The full-perimeter light-emitting diode bulb according to claim 4, wherein the upper flat substrate is made of aluminum. The full-circumference light-emitting diode bulb according to claim 1, wherein the heat-conducting tube is made of a metal material. The full-perimeter light-emitting diode bulb according to claim 7, wherein the heat-conducting tube is made of aluminum or copper. The full-perimeter light-emitting diode bulb according to claim 1, wherein the flat substrate is circular or elliptical Round, rectangular or polygonal. The full-perimeter light-emitting diode bulb according to claim 1, wherein a rectifier is further disposed in the lamp cap to convert the voltage.