TWI588408B - LED light bulb with integrated lighting and night light function - Google Patents

Description

LED bulb with integrated lighting and night light function

The invention relates to a lighting element, in particular to an LED bulb integrated with illumination and night light functions.

Light-emitting diode lighting technology refers to a technology that uses a light-emitting diode (LED) as an illumination source. In recent years, due to the significant advancement in the manufacturing technology of light-emitting diodes, especially high-power, high-brightness white light The LED has been successfully developed. Based on the ideal of green energy and environmental protection, many LED bulbs (LED blubs) using light-emitting diodes as light-emitting elements have been widely launched, including LED bulbs for lighting and LEDs. The night light, the LED advertising board, and the like, various lighting devices or illuminating devices using LEDs as the main light-emitting elements. LED bulbs use LEDs as light-emitting components, which have the advantages of longer life and lower power consumption than conventional bulbs. In order to match the existing bulb holders and reduce the hardware replacement cost of using LED bulbs, LED bulbs The mechanical structure is still not much different from traditional light bulbs.

Traditional nightlights for nightlight functions, as well as lighting fixtures for lighting, are usually designed independently for their main use and brightness. Some traditional lighting devices have both nightlights and lighting functions. (such as ceiling lamps for indoor lighting), basically, the bulbs with different illumination brightness are respectively installed in different lamp holders, for example, a relatively high-powered incandescent bulb is used as an illumination source, and a low-power bulb is used as a nightlight. Through control The controller or control circuit controls the operation of the light bulb for the night light and illumination. At present, LED bulbs with nightlight function and lighting function have not appeared on the market.

The invention provides an LED light bulb with integrated illumination and night light function, which can be applied to a control circuit with illumination and night light switching function, so that the LED light bulb has the function of a night light in addition to the function of general illumination.

An embodiment of the LED light bulb with integrated illumination and night light function includes: an LED component, an LED filament, a base, a driving circuit and a light guiding component; the interior of the base has a hollow cavity and is driven The circuit and the LED element are electrically connected to the hollow cavity of the base, and the base has an electrical connector electrically connected to the driving circuit, the electrical connector can be matched and electrically connected to the bulb seat, and the light guiding component is made of a light guiding material and connected In the pedestal, the light guiding element has a light incident end, and the light incident end corresponds to the light emitting side of the LED component, and is used for guiding the light generated by the LED component to provide a night light function, the LED filament is electrically connected to the driving circuit, and the LED filament winding is arranged. Provided on the periphery of the light guiding element and supported by the light guiding element for providing illumination light; by the above configuration, an LED bulb capable of integrating the illumination and the night light function is provided.

In an embodiment of the invention, an LED lamp panel is included, and the LED component and the LED filament are both disposed on the LED panel. The driving circuit is disposed on a driving circuit board. An input side of the driving circuit is electrically connected to the electrical connector, and the driving circuit board is One end is directly inserted into the LED light board and the driving circuit is electrically connected with the LED light board to drive the LED filament and the LED element to operate.

Another aspect of the present invention provides an LED bulb that can naturally generate air heat convection, has a better heat dissipation effect, and can prolong the service life of the product.

In order to achieve the above-mentioned effects, an embodiment of the LED light bulb with integrated illumination and night light function of the present invention further includes: a light-transmitting lamp cover having at least one second heat dissipation hole penetrating through the light-transmitting lamp cover, and the light-transmitting lamp cover can be combined with the base The socket assembly is configured to receive the LED filament and the light guiding component therein, the base has a first heat dissipation hole for communicating with the inner and outer spaces of the transparent light cover, and the air is introduced into the transparent lampshade by the first heat dissipation hole by the chimney effect. Inside, the hot air is discharged through the second heat dissipation hole.

The following description of the drawings is a preferred embodiment of the present invention, and is not intended to limit the invention.

10‧‧‧LED components

20‧‧‧LED filament

21‧‧‧Lighting diode

22‧‧‧Substrate

23‧‧‧ Graphene coating

30‧‧‧Base

301‧‧‧ bottom

302‧‧‧Top

31‧‧‧ hollow cavity

32‧‧‧Electrical connector

33‧‧‧First vent

40‧‧‧Drive circuit

41‧‧‧Drive Circuit Board

50‧‧‧Light guiding elements

51‧‧‧Light incident end

52‧‧‧ slots

60‧‧‧LED light board

70‧‧‧Lighting lampshade

71‧‧‧ openings

72‧‧‧second vent

1 is a structural combination diagram of an embodiment of an LED light bulb incorporating an illumination and a nightlight function according to the present invention.

Figure 2 is an exploded perspective view of the embodiment of Figure 1.

3 is a structural combination diagram of another embodiment of an LED light bulb incorporating the illumination and night light functions of the present invention.

Figure 4 is an exploded perspective view of the embodiment of Figure 3.

Figure 5 is a cross-sectional view showing the structure of the embodiment of Figure 3.

Figure 6 is a front elevational view showing another embodiment of an LED light bulb incorporating the illumination and night light functions of the present invention.

1 and 2 are structural combination diagrams and structural exploded views of an embodiment of an LED light bulb incorporating an illumination and a nightlight function according to the present invention. Referring to FIG. 1 and FIG. 2, an embodiment of an LED bulb integrated with an illumination and a nightlight function of the present invention includes: an LED component 10, an LED filament 20, and a The base 30, a driving circuit 40 and a light guiding element 50.

One embodiment of the base 30 is a hollow tubular member. The interior of the base 30 has a hollow inner cavity 31. The driving circuit and the LED element are electrically connected and disposed in the hollow inner cavity of the base. The base 30 has an electrical connector. 32 is mounted to the bottom end 301 of the base 30, and the electrical connector 32 can be mated with a conventional light bulb holder for external power supply. Depending on the type and size of the lamp holder, the electrical connector 32 can be selected to match the type. The electrical connector 32 can be of different specifications depending on the electrical specifications used in different countries or regions. The embodiment of the electrical connector 32 includes a screw cap. Any one of the connector type lamp cap and the plug-in lamp cap, wherein the electric connector 32 shown in FIG. 1 is a spiral lamp cap, that is, the current model is preceded by the English letter E (for example, E22, E26, and E27). However, the electrical connector 32 included in the present invention is not limited to this. In other embodiments of the present invention, the electrical connector 32 may also be a plug-in base, that is, the current model is preceded by the English letter G (for example, GU10), as well as the connector type lamp cap, is the current model with the English letter B as the beginning.

The LED component 10 can be any one of a white LED, a tri-color LED or a LED of other colors. The LED filament 20 is an elongated component having a plurality of LEDs, one of which is a long strip of circuit board. A plurality of LEDs are arranged to form an LED filament 20; in an embodiment of the invention, the LED component 10 and the LED filament 20 are both disposed on an LED panel 60, and the LED panel 60 is mounted on the base 30 relative to the electrical connector 32. At the other end, for example, the LED light panel 60 is mounted on one end of the hollow inner cavity 31. One embodiment of the LED light panel 60 is a plate-like component having a printed circuit on the surface, and the LED component 10 and the LED filament 20 are soldered to the LED light. The board 60 is electrically connected to the printed circuit on its surface.

The driving circuit 40 is for converting external power to the driving power of the LED element 10 and the LED filament 20 and outputted by an output side of the driving circuit 40, in an embodiment of the present invention The driving circuit 40 is disposed on a driving circuit board 41. An input side of the driving circuit 40 is electrically connected to the electrical connector 32 (for example, by wire bonding to the electrical connector 32), and one end of the driving circuit board 41 is directly inserted into the LED lamp. The board 60 and the driving circuit 40 are electrically connected to the LED element 10 and the LED filament 20 provided on the LED panel 60. One embodiment is disposed on the driving circuit 40 of the driving circuit board 41 and the LED panel 60 by soldering technology. The printed circuit is electrically connected, and the driving power of the driving circuit 40 drives the LED element 10 and the LED filament 20 to operate (illuminate or not emit light).

The light guiding element 50 is made of a light guiding material (for example, polycarbonate, Polycarbonate, PC) and is connected to the susceptor 30. The light guiding element 50 has a light incident end 51, and the light incident end 51 corresponds to the light emitting side of the LED element 10. For guiding the light generated by the LED element 10 to provide a night light function, in one embodiment, the light guiding element 50 is mounted on one end of the hollow inner cavity 31 of the base 30, and can be glued or screwed. In an embodiment of the present invention, the appearance of the light guiding element 50 has a shape that can be combined with the LED filament 20 to form a certain shape. As shown in FIG. 1 , the light guiding component 50 is a cylindrical component, and the LED filament is There are four, a plurality of LED filaments 20 are disposed around the periphery of the light guiding element 50, and the light guiding element 50 and the plurality of LED filaments 20 are used to form a building tower-like shape (for example, the Oriental Pearl Tower), the top end of the LED filament 20 and Corresponding to the slot 52 embedded in the top end of the light guiding element 50, the LED filament 20 can be supported by the light guiding element 50 for providing illumination light. The above configuration provides an integrated illumination and night light function. LED bulbs.

Please refer to FIG. 3 and FIG. 4 , which are structural combination diagrams and structural exploded views of another embodiment of an LED light bulb with integrated illumination and night light functions according to the present invention. Referring to FIG. 3 and FIG. 4, an embodiment of the LED light bulb integrated with the illumination and night light function of the present invention further includes: a light-transmitting lamp cover 70, wherein the light-transmitting lamp cover 70 is a hollow component that transmits light and has an opening 71. The light-transmitting lamp cover 70 has at least one second heat dissipation hole 72 extending through the light-transmitting lamp cover 70. The light-transmitting lamp cover 70 can be combined with the base 30 to accommodate the LED. The element 10, the LED filament 20 and the light guiding element 50 are disposed therein. In an embodiment of the invention, the opening 71 of the transparent lamp cover 70 is connected to the top end 302 of the base 30, and the base 30 has at least one first heat dissipation hole 33. For connecting the inner and outer spaces of the light-transmitting lamp cover 70, the heat generated by the LED element 10 and the LED filament 20 during the light-emitting process heats the air inside the light-transmitting lamp cover 70, and the external cold air is cooled by the first heat by the chimney effect. The hole 33 is introduced into the interior of the transparent lamp cover 70, and then the hot air is discharged through the second heat dissipation hole 72 (see FIG. 5); thereby providing a natural heat convection, which has better heat dissipation effect and can prolong product use. Lifetime LED bulbs.

Please refer to FIG. 6 , which is a front view of another embodiment of an LED light bulb with integrated illumination and night light function according to the present invention, wherein the LED filament 20 includes a plurality of light emitting diodes (LEDs) 21 and a substrate 22 (which can be printed) A plurality of LEDs 21 are arranged on one side of the elongated substrate 22, and a layer of graphene (23) is coated on the opposite side of the substrate 22 (on the side of the light guiding element 50). The graphene coating has better thermal conductivity to increase the heat dissipation effect of the LED filament 20. On the other hand, the graphene coating can also improve the illumination effect of the LED bulb integrated with the illumination and nightlight function of the present invention.

The embodiments and/or the embodiments described above are merely illustrative of preferred embodiments and/or implementations of the techniques of the present invention, and are not intended to limit the embodiments of the present invention in any way. The invention may be modified or modified to other equivalent embodiments without departing from the spirit and scope of the invention.

10‧‧‧LED components

20‧‧‧LED filament

30‧‧‧Base

301‧‧‧ bottom

302‧‧‧Top

31‧‧‧ hollow cavity

32‧‧‧Electrical connector

33‧‧‧First vent

40‧‧‧Drive circuit

41‧‧‧Drive Circuit Board

50‧‧‧Light guiding elements

52‧‧‧ slots

60‧‧‧LED light board

Claims (6)

An LED light bulb integrated with an illumination and a night light function, comprising: an LED component, an LED filament, a base, a driving circuit and a light guiding component; the interior of the base has a hollow inner cavity, the driving circuit and the The LED element is electrically connected to the hollow cavity, and the base has an electrical connector electrically connected to the driving circuit, and the electrical connector can be matched and electrically connected to the bulb seat, and the light guiding component is made of a light guiding material and connected In the susceptor, the light guiding element has a light incident end corresponding to the light emitting side of the LED component, and is used for guiding the light generated by the LED component to provide a night light function, the LED filament and the driving circuit Electrically connected, the LED filament is wound around the periphery of the light guiding element and supported by the light guiding element for providing illumination light. The LED light bulb with integrated illumination and night light function as claimed in claim 1 includes an LED light board, wherein the LED element and the LED filament are disposed on the LED light board, and the LED light board is installed at one end of the hollow inner cavity. The driving circuit is disposed on a driving circuit board, and an input side of the driving circuit is electrically connected to the electrical connector, and one end of the driving circuit board is directly inserted into the LED light board and the driving circuit and the LED light board are electrically connected Connected to drive the LED filament and the LED element to operate. The LED light bulb integrated with the illumination and night light function as claimed in claim 2, wherein the driving circuit board electrically connects the driving circuit to the LED element of the LED light panel and the LED filament. The LED light bulb integrated with the illumination and the night light function as described in claim 2, wherein the light guiding component is a cylindrical component, and the light guiding component is disposed at one end of the hollow inner cavity of the base, and the LED filament is wound around the LED light bulb The periphery of the light guiding element, the top end of the LED filament and corresponding to a slot embedded in the top end of the light guiding element. The LED light bulb with integrated illumination and night light function as claimed in claim 1 , comprising a light-transmitting lamp cover, wherein the light-transmitting lamp cover is a light-transmissive hollow member having an opening, the light-transmitting lamp cover having a light-transmitting lamp cover At least one second heat dissipation hole, the opening of the transparent light cover is connected to a top end of the base for receiving the LED component, the LED filament and the light guiding component therein, the base having at least A first heat dissipation hole is used to communicate the inner and outer spaces of the light-transmitting lamp cover. The LED light bulb with integrated illumination and night light function as claimed in claim 1, wherein a side of the LED filament facing the light guiding element is coated with a layer of graphene coating.