CN102095125B - Edge lighting - Google Patents

Abstract

A side-lit lighting device includes a light source assembly and a lighting assembly. The light source assembly has at least one light-emitting unit, at least one first connection structure and a first electrical connection member. The lighting assembly includes a frame, an optical assembly, a power supply device, a second electrical connection member and at least one second physical connection structure. When the second connection structure is aligned with the first connection structure to combine the light source assembly and the lighting assembly, the first electrical connection member contacts the second electrical connection member. The present invention does not require additional electrical connection between the light source assembly and the lighting assembly through other media such as wires, so that the assembly and disassembly of the light source assembly are quite convenient.

Description

Edge lighting

【Technical field】

The invention relates to a side-light illuminating device.

【Background technique】

Backlight modules can generally be divided into two types: direct-lighting type and edge-lighting type. The direct-lighting type is usually used in large-size LCD displays, while the edge-lighting type is usually used in Applied to small size liquid crystal display. FIG. 1 is an exploded view of components of a conventional edge-lit backlight module. As shown in FIG. 1 , the edge-lit backlight module 100 includes a light guide module 110 , a light source module 120 and a wire 130 . The light guide module 110 is provided with an outlet hole 111 . One end of the wire 130 is connected to a power supply device (not shown) on the back of the light guide module 110 , and passes through the outlet hole 111 , and the other end of the wire 130 is connected to the light source module 120 . Therefore, the power supply device can supply power to the light source module 120 through the wire 130 to make the light emitting units in the light source module 120 emit light.

With the development of edge-lit backlight module technology, there is a tendency to use the edge-lit backlight module as a lighting device. However, if the above-mentioned edge-lit backlight module 100 is used as a lighting device, when replacing the light source module 120, it is very inconvenient to disassemble because the wire 130 is connected to the light source module 120, and the peripheral components are easily damaged during disassembly.

Furthermore, other prior art discloses various connection mechanisms between modules in lighting devices, for example, Taiwan Patent No. TWI274693 discloses a detachable LED lamp for vehicles comprising a lampshade, a base and an LED light source unit. The LED light source unit includes a decorative board, an LED lamp, a circuit substrate, and several power terminals extending from the circuit substrate. The circuit board supplies power to the LED lights, and the front ends of the multiple power terminals are provided with sockets for inserting the LED lights. In addition, China Taiwan Patent No. TWM341798 provides a lighting lamp, which includes a first substrate with a light emitting element (bulb, LED lamp, etc.) and a first connecting part, a second connecting part and a control circuit. The base plate, and the battery pack contacting the contact end of the second base plate. When the light-emitting element is damaged, the first substrate can be detached to replace the light-emitting element, and when the battery pack is damaged, the battery pack can be directly replaced. However, the above-mentioned various existing connection mechanisms are not suitable for edge-lit lighting devices.

【Content of invention】

The invention provides a side-light illuminating device which is easy to assemble and disassemble components.

According to the design of an embodiment of the present invention, an edge-lit lighting device includes a light source component and a lighting component. The light source assembly includes a carrier and a light source device. The carrier has at least one first connection structure. The light source device is disposed on the carrier and includes at least one light-emitting unit and a first electrical connector electrically connected to the light-emitting unit. The lighting component includes a frame body, an optical component, a power supply device, a second electrical connector and at least a second connection structure. The optical component is accommodated in the frame, the optical component is suitable for guiding the light beam from the light emitting unit, and the second electrical connector is electrically connected to the power supply device. When the second connection structure is mated to the first connection structure to combine the light source component and the lighting component, the first electrical connector contacts the second electrical connector, and the power supply device supplies power to the light emitting unit.

In one embodiment, the carrier is a reflector, and the first electrical connection is electrically connected to the light emitting unit through a circuit board.

In one embodiment, the frame body includes two positioning elements and a connecting side wall connected to the positioning elements, the positioning elements are opposite to each other and are set separately, and the two second connecting structures are respectively disposed on the two positioning elements.

In one embodiment, the lighting assembly further includes a backboard, the backboard is embedded in the frame body, and the second connection structure and the power supply device are both disposed on the backboard.

In one embodiment, the electrical connector may include a conductive pad or an elastic conductor, and the area of the conductive pad is larger than the substantial contact area between the elastic conductor and the conductive pad. The connection structure can be a slot structure combined with a tenon structure, or a protrusion structure combined with an opening structure.

The embodiments of the present invention have at least one of the following advantages. With the designs of the above-mentioned embodiments, because the lighting components and the light source components are provided with corresponding connection structures and electrical connection structures at the same time, when the lighting components and the light source components are connected by When the structures are combined, the electrical connection structures are in contact with each other, so that the power supply device can supply power to the light source components. Therefore, there is no need to electrically connect the light source component and the lighting component through other media such as wires, so that the assembly and disassembly of the light source component are quite convenient.

Other purposes and advantages of the present invention can be further understood from the technical features disclosed in the present invention. In order to make the above and other objects, features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

【Description of drawings】

FIG. 1 is an exploded view of components of a conventional edge-lit backlight module.

FIG. 2 is an exploded view of components of an edge-lit lighting device according to an embodiment of the present invention.

Fig. 3 is a partial enlarged view of the lighting assembly according to an embodiment of the present invention.

FIG. 4 is a partially enlarged view of a light source assembly according to an embodiment of the present invention.

5A and FIG. 5B respectively show the schematic cross-sectional views of the lighting assembly and the light source assembly before and after assembly.

100 edge-lit backlight module

110 light guide module

111 outlet hole

120 light source module

130 wires

20 accommodation space

200 side-lit lighting fixtures

201 lighting components

202 light source components

21 positioning parts

210 Positioning Department

211 connection structure

23 bearing parts

231 top plate

232 side panels

234 flank

24 connection side wall

25 light source device

251 lighting units

252 electrical connector

253 connection structure

254 circuit board

26 electrical connectors

261 elastic conductor

262 storage structure

27 Backplane

28 optical components

281 diffuser plate

282 light guide plate

283 reflector

29 power supply unit

41 First Direction

42 second direction

【Detailed ways】

The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front or back, etc., are only directions referring to the attached drawings. Accordingly, the directional terms are used to illustrate and not to limit the invention.

FIG. 2 is an exploded view of components of an edge-lit lighting device according to an embodiment of the present invention. FIG. 3 is a partially enlarged view of a lighting assembly according to an embodiment of the present invention, and FIG. 4 is a partially enlarged view of a light source assembly according to an embodiment of the present invention. Please refer to FIG. 2 , FIG. 3 and FIG. 4 at the same time. An edge-lit lighting device 200 according to an embodiment of the present invention includes a lighting component 201 and a light source component 202 . The lighting assembly 201 includes a back plate 27 , two positioning elements 21 opposite to and separated from each other, and a connecting sidewall 24 connecting the two positioning elements 21 . The two positioning elements 21 together with the connecting side walls 24 form a frame body, and the back plate 27 fits into the frame body. The light source assembly 202 includes a carrier 23 and a light source device 25 disposed on the carrier 23 , and the carrier 23 can be, for example, a reflector.

One end of each positioning component 21 has a positioning portion 210 , the positioning portion 210 is located at the connection between the positioning component 21 and the bearing component 23 , and a connecting structure 211 is disposed on an inner surface of the positioning portion 210 . Certainly, the formation position of the connection structure 211 is not limited, for example, it can also be formed on the backplane 27 . The carrier 23 includes a top board 231 and a side board 232 connected to the top board 231 , and the parts of the top board 231 not provided with the light source device 25 form two side wings 234 . The light source device 25 is disposed in the space defined by the top plate 231 and the side plate 232 , and the light source device 25 includes a circuit board 254 , at least one light emitting unit 251 , at least one electrical connector 252 , and two connection structures 253 . The light emitting unit 251 is electrically connected to the circuit board 254 . The electrical connector 252 is disposed on the circuit board 254 and is electrically connected to the light emitting unit 251 through the circuit board 254 . Two connection structures 253 are respectively formed on two ends of the circuit board 254 . The electrical connector 252 is electrically connected to the light emitting unit 251 , so that the power supply device 29 can supply power to the light emitting unit 251 through the electrical connector 252 to make it emit light.

The shape and position of the connection structure 211 of the lighting assembly 201 and the connection structure 253 of the light source assembly 202 match each other, so that the lighting assembly 201 and the light source assembly 202 can be assembled together through the joint of the connection structure 211 and the connection structure 253 . For example, in the embodiment shown in FIG. 2 , the connection structure 211 of the lighting unit 201 is a slot structure, and the connection structure 253 of the light source unit 202 is a tenon structure, but not limited thereto, which can achieve alignment joints The effects of all are covered in the design of the embodiments of the present invention. For example, the connection structure 211 can also be a tenon structure, and the connection structure 253 can be a slot structure, or the tenon/slot structure can be replaced by structures such as protrusions/openings. When the light source assembly 202 is mounted on the lighting assembly 201, the connecting structure 211 is aligned with the connecting structure 253, and the side wings 234 of the carrier 23 abut against the positioning portion 210, so that the two positioning members 21, the carrier 23, and the connecting side wall 24 , The back plate 27 defines an accommodating space 20 . The design of the side wings 234 together with the positioning portion 210 can make the light source assembly 202 more stably positioned on the lighting assembly 201 .

Furthermore, the lighting assembly 201 further includes an optical assembly 28 , at least one electrical connector 26 and a power supply device 29 . 5A and FIG. 5B respectively show the schematic cross-sectional views of the lighting assembly and the light source assembly before and after assembly. Please refer to FIG. 3 , FIG. 5A and FIG. 5B at the same time. The power supply device 29 is located under the optical component 28 for supplying power to the light source device 25 to emit light beams. The optical component 28 guides the light beam from the light source device 25 to travel toward a first direction 41 away from the light source device 25 , and then emits from a second direction 42 perpendicular to the first direction 41 and away from the back plate 27 . The optical component 28 is disposed on the back plate 27 and may include, for example, a diffuser plate 281 , a light guide plate 282 and a reflective plate 283 . The positions of the electrical connector 26 of the lighting assembly 201 and the electrical connector 252 of the light source device 25 correspond to each other. When the connecting structure 211 aligns with the connecting structure 253 to combine the lighting assembly 201 and the light source assembly 202, the electrical connector 26 will touch. The electrical connecting member 252 forms an electrical connection, so that the power supply device 29 can supply power to the light source device 25 to emit light beams.

In one embodiment, the electrical connector 252 of the light source device 25 is a conductive gasket, and the electrical connector 26 of the lighting unit 201 includes an elastic conductor 261 and a receiving structure 262 . Under the condition of no external force, a part of the elastic conductor 261 is located in the receiving structure 262 and another part protrudes from the receiving structure 262 to protect the elastic conductor 261 . When the lighting assembly 201 and the light source assembly 202 are assembled together, the elastic conductor 261 and the conductive pad (electrical connector 252) are in contact with each other, and at this time, the elastic conductor 261 is deformed and a force is provided by the deformation to make the elastic conductor 261 resist By the conductive pads on the circuit board 254. In one embodiment, the area of the conductive spacer can be larger than the actual contact area between the elastic conductor 261 and the conductive spacer, which can allow larger manufacturing tolerances and ensure the electrical connection effect of the lighting unit 201 and the light source unit 202 after assembly. In another embodiment, the electrical connector 26 of the lighting unit 201 may be a conductive gasket, and the electrical connector 252 of the light source device 25 may include an elastic conductor and a receiving structure protruding toward the lighting unit. Of course, these electrical connectors only need to achieve a good electrical connection effect, and the structure and shape thereof are not limited.

Embodiments of the present invention have at least one of the following advantages. It can be seen from the above embodiments that both the lighting assembly 201 and the light source assembly 202 are provided with corresponding physical connection structures and electrical connection structures. When the lighting assembly 201 and the light source assembly 202 When the connecting structures are combined, the electrical connecting structures are in contact with each other at the same time, so that the power supply device can supply power to the light source component. Therefore, there is no need to electrically connect the light source unit 202 and the lighting unit 201 through other media such as wires, which makes the assembly and disassembly of the light source unit 202 very convenient.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of protection of an invention shall be determined by the scope of the patent application. In addition, any embodiment or patent scope of the present invention does not necessarily achieve all the objects or advantages or features disclosed in the present invention.

Claims (13)

1. An edge-lit lighting device, comprising a light source component and a lighting component, wherein: The light source assembly includes: a carrier with at least one first connecting structure; and A light source device disposed on the carrier, the light source device comprising at least one light emitting unit and a first electrical connector electrically connected to one of the light emitting units; The lighting package includes: a frame; an optical component accommodated in the frame, the optical component is suitable for guiding the light beam from the light emitting unit; a power supply unit; a second electrical connector electrically connected to the power supply device; and At least one second connection structure, wherein when the at least one second connection structure is mated to the at least one first connection structure to combine the light source component and the lighting component, the first electrical connection piece contacts the second electrical connection components, and the power supply device supplies power to the light-emitting unit; The light source device also includes a circuit board, the light-emitting unit is electrically connected to the circuit board, the first electrical connector is arranged on the circuit board, and is electrically connected to the light-emitting unit through the circuit board, and the at least one first connection structure The two first connection structures are respectively formed at two ends of the circuit board. 2. The edge-lit lighting device according to claim 1, wherein the carrier is a reflector. 3. The edge-lit lighting device according to claim 1, wherein the carrier has a top plate, the frame has a positioning portion, and when the first connection structure engages with the second connection structure , one side wing of the top plate abuts against the positioning portion. 4. The side-light lighting device according to claim 1, wherein the frame body comprises: Two positioning pieces are arranged opposite to each other and separated, wherein the lighting assembly includes two second connecting structures, and the second connecting structures are respectively arranged on the positioning pieces; and One connects the side walls, connects the positioning pieces. 5. The edge-lit lighting device as claimed in claim 1, wherein the lighting assembly further comprises a backboard, and the backboard is fitted into the frame. 6. The edge-lit lighting device as claimed in claim 5, wherein the second connection structure is disposed on the back plate. 7. The edge-lit lighting device as claimed in claim 5, wherein the power supply device is disposed on the back plate. 8. The edge-lit lighting device as claimed in claim 1, wherein the first electrical connection part comprises an elastic conductor, and the second electrical connection part comprises a conductive pad. 9. The edge-lit lighting device as claimed in claim 8, wherein an area of the conductive spacer is larger than a substantial contact area between the elastic conductor and the conductive spacer. 10. The edge-lit lighting device as claimed in claim 1, wherein the first electrical connection part comprises a conductive gasket, and the second electrical connection part comprises an elastic conductor. 11. The edge-lit lighting device as claimed in claim 10, wherein an area of the conductive spacer is larger than a substantial contact area between the elastic conductor and the conductive spacer. 12. The side-lit lighting device according to claim 1, wherein the first connection structure is a slot structure or an opening structure, and the second connection structure is a tenon structure or a protrusion structure. 13. The side-lit lighting device according to claim 1, wherein the first connection structure is a tenon structure or a protrusion structure, and the second connection structure is a groove structure or an opening structure.

Images