TWM485361U - Improved structure for LED lamps - Google Patents

Description

Improved LED bulb

An LED light bulb, in particular, a body formed of a ceramic material.

LED (Light Emitting Diode) has the advantages of power saving, environmental protection, energy saving and long life. If it is used in the field of lighting, it can be manufactured as an LED bulb or LED tube.

Taking LED bulbs as an example, most of today's LED bulbs are composed of metal parts with heat dissipation and translucent cover. Please refer to Taiwan's new patent M454490 (hereinafter referred to as the patent), and the bulb structure includes a heat dissipation base provided with a light-emitting substrate. a heat sink fin group, an insulating joint, and a light-transmitting lamp cover, wherein the heat-dissipating base is made of a metal having good thermal conductivity, such as aluminum, and is additionally formed with a plurality of heat-dissipating fins, and the heat-dissipating base and the light-transmitting lamp cover can be bundled The frame collars are entangled with each other, and the heat dissipation fin sets are connected to the insulation joints to form an LED bulb mounted on the lamp holder. As is known in the art, the conventional LED bulb has the disadvantage that the heat dissipation base and the heat dissipation fin group made of metal are complicated in appearance, difficult to form, and have poor heat dissipation effect and high temperature resistance. The socket and the heat sink fin group are connected to the light-emitting substrate, so an insulating joint is required to be insulated from the conductive portion.

In addition, please refer to the first and second figures of the prior patent, the light-transmitting lamp cover has a semi-circular shape, so that the illumination angle of the LED light-emitting element is narrow.

The purpose of the present invention is to provide an improved LED bulb for solving the problems of high cost and complexity of manufacturing LED bulbs of metal-made heat sinks.

The structure for achieving the above object comprises: a ceramic body having a substrate disposed on the upper surface thereof, the substrate being provided with a plurality of LED dies, wherein the ceramic body is provided with a first polarity portion and a second polarity portion, The first polarity portion and the second polarity portion are electrically connected to the substrate and are insulated from each other via the ceramic body; and a transparent cover is connected to an edge of the upper surface of the ceramic body via a connecting structure.

Preferably, the connecting structure is a plurality of convex portions disposed on the transparent cover and a plurality of concave portions disposed on the ceramic body, and the concave portions are respectively connected to a card slot. This design makes it easier to connect or disassemble the translucent cover to the ceramic body.

Preferably, the transparent cover has a shape ranging from a semicircle to a full circle, but does not include a semicircle and a full circle. This design allows the angle of illumination of this creation to be wider than that of conventional LED bulbs.

Preferably, the translucent cover is provided with an anti-glare film, and the anti-glare film is disposed at an outer wall of the translucent cover. This design can be used to reduce the intensity of the illumination of the creation and prevent the user from looking directly at the discomfort generated by the creation.

The ceramic body of the present invention has better heat dissipation than the metal base of the conventional LED bulb, and is resistant to high temperature. In addition, since the ceramic material is not electrically conductive, the present invention does not require the use of an insulating joint for insulating the body from the conductive portion.

1‧‧‧Ceramic body

11‧‧‧First Polar Department

111‧‧‧Electrical screw sleeve

12‧‧‧Second Polar Department

121‧‧‧Electrical Department

13‧‧‧ recess

14‧‧‧ card slot

2‧‧‧Substrate

21‧‧‧LED dies

3‧‧‧Transparent cover

31‧‧‧ convex

32‧‧‧Anti-glare film

The first figure is a perspective exploded view of the first embodiment of the creation.

The second figure is a perspective exploded view of another angle of the first embodiment of the creation.

The third figure is a front view of the first embodiment of the creation.

The fourth figure is a front view exploded view of the second embodiment of the creation.

The fifth figure is a front view of the second embodiment of the creation.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

Please refer to the first figure and the second figure, which are respectively exploded perspective views of different angles of the first embodiment of the present invention. The present invention mainly comprises a ceramic body 1, a substrate 2 and a transparent cover 3, wherein the substrate 2 is disposed on The ceramic body 1 is connected to the upper surface edge of the ceramic body 1 via a connecting structure.

The ceramic body 1 is similar to a horn-like structure formed of a ceramic material, and a substrate 2 is disposed on the upper surface thereof. The substrate 2 is in the form of a disk in this embodiment, and is provided with a plurality of LED dies 21, and the LED dies are provided. 21 is arranged in a circular shape on the outer side of the substrate 2 in this embodiment; semicircularly arranged on the inner side of the substrate 2, and the substrate 2 is additionally provided with other electronic components (not labeled) for driving the power supply circuit. The ceramic body 1 is provided with a first polarity portion 11 and a second polarity portion 12. In this embodiment, the first polarity portion 11 is a conductive nut 111 disposed on the bottom side of the ceramic body 1 and the conductive nut 111 is formed. Similar to a threaded structure, it can be rotatably locked to a socket having a threaded structure; the second polarity portion 12 is a conductive portion 121 disposed at the bottom of the ceramic body 1, and the conductive portion 121 is a circular metal piece, when the conductive nut 111 After the lamp holder is locked, it can contact one of the electrodes inside the lamp holder, and the first polarity portion 11 and the second polarity portion 12 are electrically connected to the substrate 2 and are mutually insulated from each other via the ceramic body 1.

In this embodiment, the transparent cover 3 is a spherical plastic casing, which is connected through a connection. The joint structure is coupled to the upper surface edge of the ceramic body 1. In this embodiment, the connecting structure includes a plurality of convex portions 31 disposed on the transparent cover 3 and a plurality of concave portions 13 disposed in the ceramic body 1. The convex portions 31 are four in this embodiment and are formed to be transparent. The bottom edge of the cover 3; the recesses 13 are also four in the embodiment and are formed on the upper surface edge of the ceramic body 1. The portion of the recess 13 near the bottom is additionally formed with a card slot 14. The transparent cover 3 is connected to the ceramic body 1 by aligning the convex portions 31 of the transparent cover 3 with the concave portions 13 of the ceramic body 1, and the light-transmitting cover 3 is buckled and then transmitted. The cover 3 is rotated clockwise so that the convex portions 31 are respectively engaged in the card slots 14. In addition, before the transparent cover 3 is fastened to the ceramic body 1, the adhesive is applied to the vicinity of the recesses 13 to improve the connection strength between the transparent cover 3 and the ceramic body 1.

Please refer to the third figure for a front view of the first embodiment of the creation. This figure shows a state in which the translucent cover 3 is combined with the ceramic body 1, wherein the transmissive cover 3 has a shape ranging from a semicircle to a full circle, but does not include a semicircle and a full circle. Since the lampshade on the conventional LED bulb has a semicircular shape so that the projection angle of the LED light is narrow, the shape of the light transmissive cover 3 is shaped to be larger than a semicircle so that the angle of the light projected by the LED die 21 is In the embodiment, the translucent cover 3 is formed into a 3/4 circular shape in this embodiment, and a wider illumination angle can be obtained than the semicircular shape of the conventional lamp cover. In addition, the translucent cover 3 cannot be formed into a full-circle shape because it cannot be joined to the ceramic body 1 if it is formed into a full-circle shape.

It should be noted that, in the embodiments shown in the first to third figures, the shape of the translucent cover 3 is roughly 3/4 circular. In other embodiments, the shape of the translucent cover 3 is only semicircular. The shape to the full circle is within the preferred implementation range of the creation, for example: 2/3 circle, 3/5 circle, 4/5 circle, 5/7, 7/9 circle, etc. In addition, the ceramic body 1 The shape is most changed in accordance with the size of the translucent cover 3 because the translucent cover 3 is attached to the upper surface edge of the ceramic body 1.

Please refer to the fourth and fifth figures, which are respectively an exploded and combined front view of the second embodiment of the present invention. In this embodiment, an anti-glare film 32 is disposed on the transparent cover 3, and the anti-glare film 32 has adhesiveness. The outer wall of the transparent cover 3 is attached to and covered by the transparent cover 3, wherein the anti-glare film 32 can be used according to the strength of the light of the user.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any form of limitation on the creation, so that any modification or alteration of the creation made in the same creative spirit is provided. , should still be included in the scope of protection of this creative intent.

1‧‧‧Ceramic body

111‧‧‧Electrical screw sleeve

121‧‧‧Electrical Department

3‧‧‧Transparent cover

Claims (4)

An improved LED bulb includes: a ceramic body having a substrate disposed on an upper surface thereof, the substrate being provided with a plurality of LED dies, wherein the ceramic body is provided with a first polarity portion and a second polarity portion, the first polarity portion The second polarity portion is electrically connected to the substrate and is insulated from the edge via the ceramic body; and a transparent cover is connected to the edge of the upper surface of the ceramic body via a connecting structure. The improved LED bulb of claim 1, wherein the connecting structure is a plurality of convex portions disposed on the transparent cover and a plurality of concave portions disposed on the ceramic body, wherein the concave portions are respectively connected to a card slot. The improved LED bulb of claim 1, wherein the translucent cover has a shape between semicircle and full circle, but does not include a semicircle and a full circle. The improved LED bulb of claim 1, wherein the translucent cover is provided with an anti-glare film, and the anti-glare film is disposed at an outer wall of the translucent cover.