TW202212728A - Light-emitting device wherein the overall structure of the light-emitting device is simple and easy to assemble and disassemble - Google Patents

Abstract

A light-emitting device includes a light tube body and a light-emitting module. The light tube body includes an inner perimeter. The light-emitting module includes a flexible circuit board disposed in the light tube body and elastically outwardly stretched toward the inner perimeter, and a plurality of light-emitting elements electrically connected and arranged on the arc curved outer side surface of the flexible circuit board. Through the design that the flexible circuit board is elastically stretched outward and disposed on the light tube body and the light-emitting elements are arranged on the arc curved outer side surface of the flexible circuit board, the overall structure of the light-emitting device of the present invention is simple and easy to assemble and disassemble. Furthermore, when the light-emitting module is damaged, it can be directly replaced from the light tube body, which is environmentally friendly and can also reduce the replacement cost. The flexible circuit board includes a board body portion electrically connecting the light-emitting elements and having two opposite sides along the peripheral direction of the light tube body, and two abutting portions respectively protruding radially inwardly from the sides of the board body portion along the light tube body, wherein the abutting portions abut against each other along the circumferential direction of the light tube body. The light tube body also includes two opposite pipe ports, and the light-emitting device further includes two end caps detachably coupled to the pipe ports, respectively. Each end cap includes a cap set outside the corresponding pipe port to close the pipe port, and a plug connected to the cap and plugged into the pipe port. The light-emitting device further includes two heat shrinkable sleeves, each of which is sleeved outside the correspondingly combined end cap and the pipe port. The light-emitting module further includes a control circuit board electrically connected to the flexible circuit board for controlling the light-emitting elements.

Description

light-emitting device

The present invention relates to a light-emitting device, in particular to a light-emitting device for lighting.

The known light-emitting device includes a light-transmitting tube body, a light-emitting module disposed in the light-transmitting tube body, and two end caps respectively disposed at both ends of the light-transmitting tube body. The light-emitting module includes a circuit board and a plurality of light-emitting elements arranged on the circuit board.

The circuit board of the known light-emitting device is mostly fixed in the light-transmitting tube body by means of gluing. In addition to this design being troublesome in assembly, when the light-emitting module is damaged, the circuit board cannot be disassembled separately. It must be replaced together with the undamaged light-transmitting tube, which is less environmentally friendly. In addition, the circuit board is also fixed through a fixing member disposed in the light-transmitting tube body, but this design is time-consuming and labor-intensive in assembly and disassembly. Therefore, how to develop a light-emitting device with simple assembly and disassembly is one of the goals of the industry.

Accordingly, it is an object of the present invention to provide a light emitting device that ameliorates at least one of the disadvantages of the prior art.

Therefore, the light-emitting device of the present invention includes a light-transmitting tube body and a light-emitting module. The light-transmitting tube body includes an inner peripheral surface, the light-emitting module includes a flexible circuit board disposed in the light-transmitting tube body and elastically outwardly stretched toward the inner peripheral surface, and a plurality of electrical connections provided on the flexible circuit board The light-emitting element on the outer side of the arc.

The effect of the present invention is that: through the flexible circuit board, the flexible circuit board is elastically arranged on the light-transmitting tube body, and the light-emitting elements are arranged on the curved outer side of the flexible circuit board, so that the light-emitting device of the present invention is designed as a whole. The structure is simple and easy to assemble and disassemble, and when the light-emitting module is damaged, it can be directly removed from the light-transmitting tube body, which is environmentally friendly and can also reduce replacement costs.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

1 , 2 and 3 , a first embodiment of the light-emitting device of the present invention includes a hollow tubular light-transmitting body 1 , a light-emitting module 2 , and two end caps 3 .

The light-transmitting tube body 1 includes an inner peripheral surface 11 and has two opposite nozzle portions 12 . The light-transmitting tube body 1 is made of a light-transmitting material, such as but not limited to glass.

The light-emitting module 2 includes a flexible circuit board 21 that is bent in the light-transmitting tube body 1 and elastically stretched toward the inner peripheral surface 11 , and a plurality of The light-emitting element 22 , a control circuit board 23 electrically connected to one end of the flexible circuit board 21 and capable of controlling the light-emitting elements 22 , and two power lines 24 electrically connected to the control circuit board 23 .

The flexible circuit board 21 has two opposite sides 211 along the peripheral direction of the light-transmitting tube body 1 , and the flexible circuit board 21 abuts against the sides 211 so as to be elastically stretched out on the inner circumference The tubular shape of the surface 11 (as shown in Figure 4).

In the first embodiment, the light-emitting elements 22 are arranged at intervals along the length of the light-transmitting tube body 1 in multiple rows, and the rows are staggered. However, in practice, the arrangement of the light-emitting elements 22 may vary. Layout according to actual needs, not limited by the way described. Furthermore, the control circuit board 23 is arranged inside the light-transmitting tube body 1 , but in implementation, it can also be arranged outside the light-transmitting tube body 1 , which is not limited by the above method.

It is worth mentioning that the light-emitting elements 22 are disposed on the curved outer side of the flexible circuit board 21, so that the control circuit board 23 disposed in the light-transmitting tube body 1 will not block the light-emitting elements 22, Further, the portion of the light-transmitting tube body 1 corresponding to the control circuit board 23 can also provide illumination. Moreover, the heat energy generated when the light-emitting elements 22 emit light can also be directly conducted to the outside through the light-transmitting tube body 1, which is helpful for heat dissipation.

The end caps 3 are detachably mounted on the nozzle portions 12 respectively, and are made of elastic soft materials, such as but not limited to silicone and rubber. Each end cap 3 includes a cover portion 31 that covers the corresponding nozzle portion 12 and closes the nozzle portion 12 with an airtight sleeve, and a cover portion 31 connected to the cover portion 31 and an airtight plug mounted on the corresponding nozzle portion. Plug 32 in 12. One of the cover portions 31 has two through holes 33 disposed at intervals and axially penetrating, and through which the power cables 24 pass.

When assembling the light-emitting device of the present invention, the assembler curls the flexible circuit board 21 , and then inserts it into the light-transmitting tube body 1 . When the assembler loosens the flexible circuit board 21 , the flexible circuit board 21 will be stretched outward by its own elastic force, so that the light-emitting elements 22 abut against the inner peripheral surface 11 (as shown in FIG. 4 ). Next, the control circuit board 23 is placed in the space defined by the curved inner side of the flexible circuit board 21 , and the power lines 24 are passed through the through holes 33 of the one end cover 3 . The end caps 3 are sleeved on the nozzle portions 12 to complete the assembly.

It should be added that, in the first embodiment, the flexible circuit board 21 is bent into a tubular shape with the sides 211 facing each other, but in other embodiments of the present invention, the flexible circuit board 21 is also According to practical application requirements, the side edges 211 can be designed to be arc-shaped (as shown in FIG. 5 ), or the flexible circuit board 21 can be designed to be opposite to each other along the peripheral direction of the light-transmitting tube body 1 . The two sides of the tube are stacked against each other (as shown in Figures 6 and 7).

Referring to FIGS. 8 and 9 , the structure of a second embodiment of the light-emitting device of the present invention is substantially the same as that of the first embodiment, and the difference is that the light-emitting device of the present invention further includes two sleeved outside the nozzle portions 12 and The heat shrinkable sleeves 4 are respectively wrapped around the end caps 3 to achieve better waterproof effect. For the convenience of description, only the differences between the embodiments will be described below.

The assembly steps of the second embodiment are substantially the same as those of the first embodiment, except that after the assembly steps of the first embodiment are completed, each heat shrinkable sleeve 4 should be wrapped around the corresponding end cap 3 and the tube. Outside the mouth portion 12 , each heat shrinkable sleeve 4 is shrink-wrapped around the corresponding end cap 3 and the mouth portion 12 through heat treatment, and the assembly is completed.

Referring to FIGS. 10 , 11 and 12 , the structure of a third embodiment of the light-emitting device of the present invention is substantially the same as that of the first embodiment, and the difference lies in the structure design of the flexible circuit board 21 . For the convenience of description, only the differences between the embodiments will be described below.

In the third embodiment, the flexible circuit board 21 includes a board body portion 212 having two opposite sides 211 along the peripheral direction of the light-transmitting tube body 1 , and two side edges 211 along the transparent pipe body 1 , respectively. The light pipe body 1 has abutting portions 213 protruding radially inward, and each abutting portion 213 is elongated along the longitudinal direction of the respective side edges 211 . The body portion 212 is for the electrical connection of the light-emitting elements 22 , and the abutting portions 213 abut against each other along the peripheral direction of the light-transmitting tube body 1 to ensure that the body portion 212 elastically expands in a tubular shape.

To sum up, through the design that the flexible circuit board 21 is elastically disposed on the light-transmitting tube body 1 , the overall structure of the light-emitting device of the present invention is simple and convenient to assemble and disassemble, and when the light-emitting module 2 is damaged, The light-transmitting tube body 1 can be directly extracted and replaced, which is more environmentally friendly and can also reduce replacement costs. In addition, the light-emitting elements 22 are designed to be arranged on the curved outer side of the flexible circuit board 21. When the control circuit board 23 is plugged into the light-transmitting tube body 1, the light-emitting elements 22 will not be shielded. It is a rather innovative and practical creation to enable the portion of the light-transmitting tube body 1 corresponding to the control circuit board 23 to provide illumination, and therefore, the purpose of the present invention can be achieved.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

1: light-transmitting tube body 11: Inner peripheral surface 12: Nozzle 2: Lighting module 21: Flexible circuit board 211: Side 212: Board body 213: Abutment 22: Lighting pieces 23: Control circuit board 24: Power cord 3: end cap 31: Cover 32: Plug Department 33: Perforation 4: heat shrinkable sleeve

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is an incomplete perspective view illustrating a first embodiment of a light-emitting device of the present invention; Figure 2 is an exploded perspective view illustrating the first embodiment; 3 is an incomplete perspective view illustrating a state in which a light-emitting module of the first embodiment has not been assembled into a light-transmitting tube body; 4 is a cross-sectional view illustrating a state in which a flexible circuit board of the first embodiment is elastically outwardly stretched toward an inner peripheral surface of the light-transmitting tube body in a tubular shape; FIG. 5 is a cross-sectional view illustrating a state in which the flexible printed circuit board of the first embodiment is elastically outwardly stretched toward the inner peripheral surface in an arc shape; 6 is a cross-sectional view illustrating a state in which the two sides of the flexible circuit board of the first embodiment are superimposed on each other and are elastically outwardly stretched toward the inner peripheral surface in a tubular shape; 7 is an incomplete cross-sectional view illustrating a state in which the side portions of the flexible circuit board of the first embodiment are stacked on each other; 8 is an incomplete perspective view illustrating a second embodiment of a light-emitting device of the present invention; FIG. 9 is an incomplete side sectional view illustrating a situation in which an end cap of the second embodiment is plugged at a nozzle portion and covered by a heat shrinkable sleeve; 10 is an incomplete perspective view illustrating a state in which a light-emitting module of a third embodiment of the light-emitting device of the present invention has not been assembled into a light-transmitting tube body; 11 is a cross-sectional view illustrating a state in which a flexible circuit board of the third embodiment is elastically outwardly stretched toward an inner peripheral surface of the light-transmitting tube body in a tubular shape; and FIG. 12 is an incomplete cross-sectional view illustrating a state in which the two abutting portions of the third embodiment abut against each other.

1: light-transmitting tube body

11: Inner peripheral surface

12: Nozzle

2: Lighting module

21: Flexible circuit board

22: Lighting pieces

23: Control circuit board

24: Power cord

3: end cap

31: Cover

32: Plug Department

Claims (8)

A light-emitting device, comprising: a light-transmitting tube body, including an inner peripheral surface; and A light-emitting module includes a flexible circuit board arranged in the light-transmitting tube body and elastically outwardly stretched toward the inner peripheral surface, and a plurality of light-emitting elements electrically connected to the curved outer side surface of the flexible circuit board. The light-emitting device of claim 1, wherein the light-emitting elements abut against the inner peripheral surface. The light-emitting device of claim 1, wherein the flexible circuit board has two opposite sides along the peripheral direction of the light-transmitting tube body, and the flexible circuit board abuts against each other with the sides facing each other to form an elastic outer surface. The tubular shape stretched on the inner peripheral surface. The light-emitting device as claimed in claim 1, wherein the flexible circuit board comprises a board body portion for electrically connecting the light-emitting elements and having two opposite sides along the peripheral direction of the light-transmitting tube body, and two The abutting portions protrude radially inward from the side edges of the plate body portion along the light-transmitting tube body, and the abutting portions abut against each other along the peripheral edge direction of the light-transmitting tube body. The light-emitting device as claimed in any one of claims 1 to 4, wherein the light-transmitting tube body further comprises two opposite nozzle parts, and the light-emitting device further comprises two detachably coupled nozzle parts respectively end cap. The light-emitting device as claimed in claim 5, wherein each end cap comprises a set of caps disposed outside the corresponding mouthpiece to close the mouthpiece, and a cover connected to the cap and plugged into the tube A plug in the mouth. The light-emitting device according to claim 5, further comprising two heat-shrinkable sleeves, each of which is wrapped around the correspondingly combined end cap and the nozzle portion. The light-emitting device of claim 1, wherein the light-emitting module further comprises a control circuit board electrically connected to the flexible circuit board and capable of controlling the light-emitting elements.

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