TWM460215U - LED bulb with increased irradiation area - Google Patents

Description

Light-emitting diode bulb that can increase the illumination range

The present invention relates to a light bulb that can be illuminated for illumination, especially a light-emitting diode bulb.

LED (Light-Emitting Diode) is a kind of semiconductor electronic component that can emit light. It has the advantages of high efficiency, long life, not easy to break, high switching speed and high reliability. Lighting.

Please refer to FIG. 6. However, the light of the LED 91 is much concentrated compared with the conventional bulb, that is, the diffusion angle of the light is narrow, which makes it difficult to illuminate the surrounding angle, which causes inconvenience in use; When the LED lamp 90 is used in a stationary lamp, it is easy to cause most of the light to be emitted in a single direction, but the surroundings are relatively dull, so it is inconvenient to use.

In view of the above-mentioned prior art light-emitting diode bulb, the light diffusion angle is too narrow, which causes difficulty in illuminating the surrounding environment, and the present invention provides a light-emitting diode bulb which can increase the illumination range, which can be effectively added. The angle of the large light and the range of illumination.

In order to achieve the above-mentioned creative purposes, the technical means adopted by the present invention is to design a light-emitting diode bulb capable of increasing the illumination range, comprising: a base; a circuit board, which is disposed on the base, and the circuit board includes The inner side surface and the outer side surface are connected to the inner side of the circuit board; a light guide plate is disposed on the outer side surface of the circuit board, and is an annular plate body, and a central hole is formed in the center of the light guide plate. The light plate is inclined outward from the center hole away from the circuit board, and an outer space is formed between the outer side surface of the light guide plate and the outer side surface of the circuit board, and the outer side surface of the light guide plate is reflective material; at least one central light emitting diode The body is disposed on the outer side of the circuit board and electrically connected to the circuit board, the central light emitting diode is located at a central hole of the light guide plate; and the plurality of surrounding light emitting diodes are disposed on the outer side of the circuit board. And electrically connected to the circuit board, the surrounding light emitting diode is located in the accommodating space between the light guide plate and the circuit board; a lamp cover is mounted on the base, and the circuit board, the light guide plate and the central hair are covered with the base Diode The body and the surrounding light-emitting diode, the lampshade is made of light-transmitting material.

The advantage of the present invention is that the central light-emitting diode located in the light guide plate can be illuminating forwardly by illuminating the light-emitting plate by providing the light-guiding plate on the circuit board, and the surrounding light-emitting diodes outside the light guide plate can be permeable. The reflective material on the outer side of the light plate refracts light, thereby effectively increasing the diffusion angle and illumination range of the light.

Further, the light-emitting diode bulb can increase the illumination range, wherein the light guide plate comprises a first plate body and a second plate body connected to each other, and the first plate body is connected with the circuit board, The angle between a board and the circuit board is greater than the angle between the second board and the circuit board. Alternatively, the light-emitting diode bulb can be increased in the illumination range, wherein the light guide plate comprises a first plate body, a second plate body and a third plate body sequentially connected to each other, and the first plate body The angle between the first board and the circuit board is greater than the angle between the second board and the circuit board, and the angle between the second board and the circuit board is greater than the angle between the third board and the circuit board. The angle of the light and the range of illumination can be further expanded or changed by the outer wall surfaces at different angles.

Further, the light-emitting diode bulb can increase the illumination range, wherein the light guide plate further includes at least one mounting portion; further comprising at least one screw, the screw passing through the corresponding mounting portion of the light guide plate and The board is screwed into the base.

Further, the light-emitting diode bulb can increase the illumination range, wherein the outer contour of the light guide plate is circular.

Further, the light-emitting diode bulb can increase the illumination range, wherein the surrounding light-emitting diodes are arranged around the interval.

10‧‧‧Base

20‧‧‧ boards

30‧‧‧Light guide

34‧‧‧ center hole

35‧‧‧Installation Department

41‧‧‧Central Light Emitting Diode

42‧‧‧ surrounding LEDs

50‧‧‧shade

51‧‧‧Hook

60‧‧‧ screws

20A‧‧‧PCB

30A‧‧‧Light guide plate

31A‧‧‧First board

32A‧‧‧Second plate

35A‧‧‧Installation Department

42A‧‧‧Lens LED

20B‧‧‧Board

30B‧‧‧Light guide plate

31B‧‧‧First board

32B‧‧‧Second plate

33B‧‧‧ third plate

35B‧‧‧Installation Department

42B‧‧‧Lens LED

90‧‧‧Lighting diode bulb

91‧‧‧Lighting diode

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

Figure 2 is an exploded view of the first embodiment of the present invention.

Figure 3 is a side cross-sectional view of the first embodiment of the present invention.

Figure 4 is a side cross-sectional view of a second embodiment of the present invention.

Figure 5 is a side cross-sectional view of a third embodiment of the present invention.

Figure 6 is a side cross-sectional view of a prior art light emitting diode bulb.

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

Please refer to Figure 1 for the creation of a light-emitting diode bulb that can increase the illumination range. One embodiment includes a base 10, a circuit board 20, a light guide plate 30, at least one central light emitting diode 41, a plurality of surrounding light emitting diodes 42 and a light cover 50.

Referring to FIG. 1 to FIG. 3, the foregoing base 10 is a heat sink in this embodiment.

The circuit board 20 is disposed on the base 10, and the circuit board 20 includes an inner side surface and an outer side surface. The inner side surface of the circuit board 20 is connected to the base 10.

The light guide plate 30 is disposed on the outer side of the circuit board 20 and is an annular plate body. The central portion of the light guide plate 30 is formed with a center hole 34. The light guide plate 30 is directed from the center hole 34 away from the circuit board 20. The outer side surface of the light guide plate 30 forms an accommodating space between the outer side surface of the light guide plate 30 and the outer side surface of the light guide plate 30. In the embodiment, the outer contour of the light guide plate 30 is round. The angle between the light guide plate 30 and the circuit board 20 is about 30 degrees; the light guide plate 30 further includes two mounting portions 35, and the two mounting portions 35 are bent and formed on the periphery of the center hole 34; After the two mounting portions 35 and the circuit board 20 are screwed and fixed to the base 10, the light guide plate 30 and the circuit board 20 are fixed to the base 10 by this.

The central light emitting diode 41 is disposed on the outer side of the circuit board 20 and electrically connected to the circuit board 20. The central light emitting diode 41 is located at the center hole 34 of the light guide plate 30. In this embodiment, A plurality of central light-emitting diodes 41.

The plurality of peripheral light-emitting diodes 42 are disposed on the outer side of the circuit board 20 and electrically connected to the circuit board 20, and the surrounding light-emitting diodes 42 are located in the accommodating space between the light guide plate 30 and the circuit board 20; In the present embodiment, the surrounding light-emitting diodes 42 are circumferentially spaced apart.

The lamp cover 50 is mounted on the base 10, and the lamp cover 50 and the base 10 cover the circuit board 20, the light guide plate 30, the central light-emitting diode 41, and the surrounding light-emitting diode 42. The lamp cover 50 is made of a light-transmissive material; In the embodiment, the bottom edge of the lamp cover 50 is formed with four hooks 51, and the hooks 51 are hooked and fixed on the base 10.

In the present invention, the central light-emitting diode 41 located in the light guide plate 30 is responsible for illuminating the front of the light bulb by the concentrated light of the light-emitting diode; and the surrounding light-emitting diodes are disposed around the light guide plate 30 at intervals. The body 42 refracts light by the reflective material on the outer wall surface of the light guide plate 30, so that the light can be emitted laterally and even in reverse (as shown in FIG. 3), thereby effectively increasing the diffusion angle of the light, thereby achieving effective effect by the creation. Increase the scope of the illumination.

Referring to FIG. 4, the following is a second embodiment of the present invention, which is substantially the same as the first embodiment. However, the light guide plate 30A of the second embodiment includes a first plate body 31A and a first connection. The second board body 32A is connected to the circuit board 20A and the mounting portion 35A. The angle between the first board body 31A and the circuit board 20A is greater than the angle between the second board body 32A and the circuit board 20A. Further, The first plate body 31A is perpendicular to the circuit board 20A, and the angle between the second board body 32A and the circuit board 20A is about 30 degrees.

By surrounding the peripheral light-emitting diodes 42A disposed outside the light guide plate 30A, the diffusion angle and illumination of the light can be further expanded or changed by the outer wall surfaces of the first plate body 31A and the second plate body 32A at different angles. range.

Referring to FIG. 5, the following is a third embodiment of the present invention, which is substantially the same as the first embodiment, but the light guide plate 30B of the third embodiment includes a first plate body 31B connected in sequence, a second plate body 32B and a third plate body 33B, the first plate body 31B is connected to the circuit board 20B and the mounting portion 35B, and the angle between the first plate body 31B and the circuit board 20B is greater than the second plate body 32B and the circuit The angle between the second board 32B and the circuit board 20B is greater than the angle between the third board 33B and the circuit board 20B; further, the first board 31B is perpendicular to the circuit board 20B, and the second board 32B is The angle of the board 20B is about 30 degrees, and the angle between the third board 33B and the board 20B is about 15 degrees.

Therefore, the surrounding light-emitting diodes 42B disposed outside the light guide plate 30B can be further enlarged by the outer wall surfaces of the first plate body 31B, the second plate body 32B, and the third plate body 33B at different angles. Change the spread angle of the light and the range of illumination.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧Base

20‧‧‧ boards

30‧‧‧Light guide

41‧‧‧Central Light Emitting Diode

42‧‧‧ surrounding LEDs

50‧‧‧shade

60‧‧‧ screws

Claims (8)

A light-emitting diode bulb capable of increasing an illumination range includes: a base; a circuit board disposed on the base, and the circuit board includes an inner side surface and an outer side surface, wherein the inner side surface of the circuit board is connected to the base; a light guide plate is disposed on an outer side surface of the circuit board and is an annular plate body. The center of the light guide plate is formed with a center hole, and the light guide plate is inclined outward from the center hole toward the circuit board, and the light guide plate is Forming an accommodating space between the outer side surface and the outer side surface of the circuit board, the outer side surface of the light guide plate is reflective material; at least one central light emitting diode is disposed on the outer side surface of the circuit board, and is formed with the circuit board Electrically connected, the central light-emitting diode is located at a central hole of the light guide plate; a plurality of surrounding light-emitting diodes are disposed on an outer side surface of the circuit board, and are electrically connected to the circuit board, and the surrounding light-emitting diodes are located on the light guide plate In the accommodating space between the circuit boards, a lamp cover is mounted on the base, and the circuit board, the light guide plate, the central light emitting diode and the surrounding light emitting diode are covered with the base, and the lamp cover is made of light transmissive material. The light-emitting diode bulb according to claim 1, wherein the light guide plate comprises a first plate body and a second plate body connected to each other, and the first plate body is connected to the circuit board. The angle between a board and the circuit board is greater than the angle between the second board and the circuit board. The light-emitting diode bulb according to claim 1, wherein the light guide plate comprises a first plate body, a second plate body and a third plate body sequentially connected to each other, the first plate The body is connected to the circuit board, the angle between the first board and the circuit board is greater than the angle between the second board and the circuit board, and the angle between the second board and the circuit board is greater than the angle between the third board and the circuit board. The light-emitting diode bulb according to any one of claims 1 to 3, wherein the light guide plate further comprises at least one mounting portion; further comprising at least one screw, the screw passing through the phase of the light guide plate Corresponding mounting part and circuit board are screwed into the base. The light-emitting diode bulb according to any one of claims 1 to 3, wherein the peripheral contour of the light guide plate is circular. The light-emitting diode bulb according to claim 4, wherein the outer peripheral contour of the light guide plate is circular. The light-emitting diode bulb according to any one of claims 1 to 3, wherein the ambient light-emitting diodes are circumferentially spaced apart. a light-emitting diode bulb as claimed in claim 6 which can increase an illumination range, wherein the surroundings The light-emitting diodes are arranged around the interval.