TWM575504U - Panel light structure - Google Patents

Abstract

The present invention provides a flat panel lamp comprising a stacked back panel, a reflector, a light guide panel, a light transmissive panel and a four-sided frame, each side frame comprising an inner frame and an outer frame respectively, through at least one locking component The inner frame is locked on the outer frame to embed the side edges of the back plate, the reflector, the light guide plate and the light-transmitting plate in the frame, and further, a groove is formed on the inner side of the inner frame, and a plurality of light-emitting diodes are formed The light bar of the body is disposed in the groove and the light emitting surface thereof faces one side of the light guide plate; when the light bar of the lamp is damaged, the locking component on the frame is loosened, and the inner frame is removed from the outer frame, from the inside The damaged light bar is taken out in the box, and the repaired light bar or the new light bar is installed back into the inner frame again, and the inner frame is re-locked on the outer frame to complete the repair or replacement of the light bar.

Description

Flat panel light

This creation is about a kind of light fixture, especially a flat type lighting fixture.

Lighting fixtures are the most widely used living utensils in everyday life. Most of the general lighting fixtures use fluorescent tubes as the source of illumination for the lamps. A small amount of argon and mercury vapor are usually added to the fluorescent tube. Mercury is a toxic heavy metal substance that not only causes environmental pollution, but if the fluorescent tube is accidentally broken and inhaled by people, people will cause harm. Therefore, in order to consider environmental protection and energy conservation, more and more lighting fixtures use fluorescent diodes instead of fluorescent tubes as the main source of illumination. LED lighting fixtures consume far less power than traditional fluorescent fixtures, making them the best choice for the future lighting market.

At present, most LED lighting fixtures adopt a closed design. LED light bars and power supply components inside LED lighting fixtures are easily damaged by poor heat dissipation. However, closed-design LED lighting fixtures are not easy to disassemble, resulting in replacement or repair of LED light strips and power supply components. Difficulty. Furthermore, in the past, LED strips were usually directly attached to the lamp holder of a heat-dissipating lamp with a special adhesive. It takes a lot of effort to remove the damaged LED strip from the lamp holder. Therefore, if the LED lighting fixture is damaged by the LED light bar or the power supply component, the user usually only has to choose to discard the LED lighting fixture and purchase a brand new LED lighting fixture. Here, the entire LED lighting fixture is discarded only due to damage of some electronic components, which not only causes waste of resources, but also increases the cost of the user's lighting requirements.

A purpose of the present invention is to provide a flat panel lamp comprising a backing plate, a reflector, a light guide plate, a light-transmitting plate and a four-sided frame, each of which includes an inner frame and an outer frame. The inner frame is locked on the outer frame by a locking component to embed the side edges of the back plate, the reflector, the light guide plate and the light transmissive plate in the frame, and a groove is formed in the inner side of the inner frame. A light bar can be accommodated; when the light bar in the lamp is damaged, the locking component on the frame is loosened, the inner frame is removed from the outer frame, the damaged light bar is taken out from the inner frame, and the light bar after inspection is removed. Or the new light bar is installed back into the inner frame again, and the inner frame is re-locked on the outer frame to complete the repair or replacement of the light bar. The flat lamp described in the present invention can be easily assembled and lighted. The replacement of the strips and the various components in the luminaire can be reused repeatedly, thereby avoiding waste of resources and effectively reducing costs.

In order to achieve the above object, the present invention provides a flat panel lamp comprising: a back plate; a reflector; a light guide plate; a light transmissive plate, a back plate, a reflector, a light guide plate and a light transmissive plate are sequentially stacked together; A plurality of frames, each frame includes an inner frame and an outer frame, the inner frame includes a fixing portion and a first plate portion disposed on a side of the fixing portion, the outer frame includes a carrying portion and a side disposed on the carrying portion And a second plate body portion corresponding to the first plate body portion, the fixing portion is disposed on the bearing portion and is locked on the carrying portion through the at least one locking component, and the frame is disposed on the back plate, the reflector, the light guide plate, and The periphery of the light-transmitting plate, and the respective sides of the back plate, the reflector, the light guide plate and the light-transmitting plate are respectively embedded between the first plate body portion and the second plate body; wherein, one of the fixing portions of the inner frame Forming a recess on the side, a light strip having a plurality of light emitting diodes is disposed in the recess of the fixing portion of the at least one inner frame, and the light strip disposed in the recess has a light emitting surface facing the light guide plate side.

In an embodiment of the present invention, the light transmissive plate is a diffuser plate or a homogenizer plate.

In an embodiment of the present invention, an elastic layer is disposed between the back plate and the reflector.

In an embodiment of the present invention, the elastic layer is a foam.

In an embodiment of the present invention, at least one hole is disposed in the fixing portion of the inner frame, the locking assembly includes a threaded member and a threaded post, and the threaded post is fixed on the carrying portion of the outer frame, and the threaded member is locked with the threaded column. In the hole.

In an embodiment of the present invention, a heat dissipating fin is disposed on a surface of the fixing portion of the inner frame.

In an embodiment of the present invention, the carrying portion of the outer frame is an L-shaped member, and the carrying portion is wrapped on the bottom surface and the outer side surface of the fixing portion.

In an embodiment of the present invention, the reflector, the light guide plate and the light-transmitting plate are bonded to each other.

In an embodiment of the present invention, the reflector, the light guide plate and the light transmissive plate are coupled to each other through a tearable adhesive or a female snap.

In an embodiment of the present invention, the light bar is disposed in the recess of the fixing portion of the inner frame through a tearable adhesive or a female buckle.

Please refer to FIG. 1 , FIG. 2 , FIG. 3 , and FIG. 4 , which are respectively an exploded perspective view of an embodiment of a flat panel lamp, a top view of a structure of an embodiment of the flat panel lamp, and an embodiment of the tablet lamp of the present invention. The structural cross-sectional view and an enlarged view of the structure of the A portion of Fig. 3 of the present creation. As shown in the drawings, the flat panel lamp 100 is a square lamp, which comprises a back plate 11, a reflector 13, a light guide plate 15, a light transmissive plate 17, and a back plate 11, a reflector 13, The light guide plate 15 and the four-sided frame 20 around the light-transmitting plate 17. The back plate 11 is a metal plate body such as an aluminum plate body. The reflector 13 is a plate body that reflects the light source. The light guide plate 15 is a plate body guided by a light source for guiding the incident light source to the light-transmitting plate 17 or to the light-reflecting plate 13. The light transmissive plate 17 is a light equalizing plate or a diffusing plate.

Each frame 20 includes an inner frame 21 and an outer frame 23. Each of the outer frames 23 is joined together by a bonding method or a welding method to form a quadrilateral frame. The inner frame 21 includes a fixing portion 211 and a first plate portion 213 disposed on a side of the fixing portion 211, and the outer frame 23 includes a carrying portion 231 and a side portion disposed on the side of the carrying portion 231. The second plate body portion 233. The fixing portion 211 of the inner frame 21 is placed on the carrying portion 231 of the outer frame 23, and the fixing portion 211 is locked to the carrying portion 231 through the at least one locking assembly 30, so that the inner frame 21 and the outer frame 23 can be coupled together. Furthermore, the carrying portion 231 of the outer frame 23 is an L-shaped metal member. When the inner frame 21 and the outer frame 23 are combined, the carrying portion 231 will be wrapped on the bottom surface and the outer side surface of the fixing portion 211.

Further, at least one hole 2111 is provided in the fixing portion 211 of the inner frame 21. The locking assembly 30 includes a threaded member 31 and a threaded post 33. The threaded post 33 is fastened to the carrier portion 231 of the outer frame 23. When the luminaire 100 is assembled, first, the back plate 11, the reflector 13, the light guide plate 15, and the light-transmitting plate 17 are sequentially stacked and placed on the second plate portion 233 of the outer frame 23; The fixing portion 211 of the 21 is placed on the carrying portion 231 of the outer frame 23 so that the threaded post 33 on the carrying portion 231 penetrates into the hole 2111 from below the fixing portion 211, and at the same time, the first plate portion 213 is abutted. Relying on the back plate 11; after that, the screw member 31 penetrates from the upper portion of the fixing portion 211 into the hole 2111 and performs a latching action to lock the screw member 31 in the hole 2111 with the threaded post 33, According to the operation, the inner frame 21 will be locked on the outer frame 23, and the respective sides of the back plate 11, the reflector 13, the light guide plate 15, and the light-transmitting plate 17 will be embedded in the first plate portion 213 of the corresponding frame 20. Between the second plate body portion 233.

Furthermore, a groove 215 is formed on the inner side of the fixing portion 211 of the inner frame 21, and is formed at a joint between the fixing portion 211 and the first plate portion 213 and a joint between the carrying portion 231 and the second plate portion 233. between. A light bar 50 having a plurality of light emitting diodes will be disposed within the recess 215. The light bar 50 disposed in the recess 215 has its light emitting surface facing the side surface 151 of the light guide plate 15. When the light emitting diode of the light bar 50 excites the light source, the light source enters the light guide plate 15 via the side surface 151 of the light guide plate 15; then, part of the light source is guided by the light guide plate 15 to the light transmitting plate 17 directly from the light transmitting plate 17 Or a part of the light source is guided by the light guide plate 15 to the light reflecting plate 13 , and then reflected by the light reflecting plate 13 and then sequentially enters the light guiding plate 15 and the light transmitting plate 17 to be emitted from the light transmitting plate 17 .

In an embodiment of the present invention, the light bar 50 is disposed only in a single inner frame 21. Alternatively, in another embodiment of the present invention, the light bar 50 may also be disposed in two opposite inner frames 215. Alternatively, in another embodiment of the present invention, the inner frame 215 of the four sides is provided with a light bar 50.

In addition, in another embodiment of the present invention, the light bar 50 is disposed in the recess 215 of the fixing portion 211 of the inner frame 21 through a tearable adhesive body or a female snap fastener (such as a devil felt) to facilitate replacement by the user. Light bar 50 in inner frame 21. Furthermore, the upper surface of the fixing portion 211 of the inner frame 21 may also be provided with a heat dissipation fin 217 for transmitting heat generated by the light of the light bar 50 to the air.

The creative flat panel light fixture 100 further includes an elastic layer 12, such as foam. The elastic layer 12 is disposed between the back plate 11 and the light reflecting plate 13. When the inner frame 21 is locked on the outer frame 23, the locking force will compress the elastic layer 12 to the direction of the back plate 11, the reflector 13, the light guide plate 15 and the light-transmitting plate 17, so as to fill the back plate 11, and reflect The gap between the plate 13, the light guide plate 15 and the light-transmitting plate 17 further enables the respective sides of the back plate 11, the light-reflecting plate 13, the light guide plate 15 and the light-transmitting plate 17 to be more closely embedded in the first frame 20 The plate body portion 213 is between the second plate body portion 233.

Furthermore, the reflector 13, the light guide plate 15, and the light-transmitting plate 17 of the present embodiment are bonded to each other to form a multi-layer board. Thus, the reflector 13, the light guide plate 15, and the light-transmitting plate 17 are formed in the form of a multi-layer board. When installed in the frame 20, not only the speed of the installation can be accelerated, but also the robustness of the reflector 13, the light guide plate 15, and the light-transmitting plate 17 in the frame 20 can be increased. In addition, the reflector 13, the light guide plate 15, and the light-transmitting plate 17 may also be damaged due to aging or external impact. In this embodiment, the reflector 13, the light guide plate 15 and the light-transmitting plate are transparent. The plates 17 can also be coupled to each other through a tear-off adhesive or a female snap, so that the user can easily replace the reflector 13, the light guide plate 15, and the light-transmitting plate 17. Of course, in another embodiment of the present invention, the reflector 13, the light guide plate 15 and the light-transmitting plate 17 may also be selected to be non-bonded together, and the pressing force and elasticity between the first plate portion 213 and the second plate portion 233 may be selected. The layers 12 fill the gaps between each other and are securely locked in the bezel 20.

Please refer to FIG. 5, which is a structural perspective view of a specific operation embodiment of the lamp strip replacement for the creation of the flat panel lamp. Factors such as humidity, poor heat dissipation, or unstable power supply may cause electronic components on the light bar 50, such as the light-emitting diodes and drivers, to be damaged, and must be repaired or replaced for the light bar 50. As shown in FIG. 5, when the flat panel lamp 100 is to be replaced with the light bar 50, first, the user can also release the locking component 30 on the bezel 20 to remove the inner frame 21 from the outer frame 23 from the inner frame 21. The damaged light bar 50 is taken out, and then the repaired light bar 50 or the new light bar 50 is placed back into the inner frame 21, and the inner frame 21 is re-locked on the outer frame 23, that is, for the flat panel lamp 100 The light bar 50 completes the operation of repairing or replacing. According to this implementation, the luminaire 100 of the present invention can not only be easily assembled and replaced with the light bar 50, but also can repeatedly utilize the various components in the luminaire 100 to avoid waste of resources and effectively reduce costs.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the shape, structure, characteristics and spirit described in the scope of the patent application are equally changed. Modifications shall be included in the scope of the patent application of this creation.

100‧‧‧flat lamps

11‧‧‧ Backboard

12‧‧‧Elastic layer

13‧‧‧reflector

15‧‧‧Light guide plate

17‧‧‧Translucent plate

20‧‧‧Border

21‧‧‧ inside frame

211‧‧‧ Fixed Department

2111‧‧‧ hole

213‧‧‧ first board body

215‧‧‧ Groove

217‧‧‧heat fins

23‧‧‧Front frame

231‧‧‧Loading Department

233‧‧‧Second Board Body

31‧‧‧Threaded parts

33‧‧‧ threaded column

50‧‧‧light strips

Fig. 1 is an exploded perspective view showing the structure of an embodiment of the flat panel lamp of the present invention.

Fig. 2 is a perspective view showing the construction of an embodiment of the flat panel lamp of the present invention.

Fig. 3 is a cross-sectional view showing the construction of an embodiment of the flat panel lamp of the present invention.

Fig. 4 is an enlarged view showing the structure of the portion A of Fig. 3 of the present creation.

Fig. 5 is a perspective view showing the construction of a light bar of the present invention.

Claims (10)

A flat panel lamp comprising: a back plate; a reflector; a light guide plate; a light transmissive plate, the back plate, the reflector, the light guide plate and the light transmissive plate are sequentially stacked together; and a plurality of frames, Each of the frames includes an inner frame and an outer frame. The inner frame includes a fixing portion and a first plate portion disposed on a side of the fixing portion. The outer frame includes a carrying portion and a receiving portion. a second plate body portion corresponding to the first plate body portion, the fixing portion is disposed on the bearing portion and is locked on the bearing portion through at least one locking component, the frame is disposed on the back plate The reflector, the light guide plate and the periphery of the light-transmitting plate, and the respective sides of the back plate, the reflector, the light guide plate and the light-transmitting plate are respectively embedded in the first plate body portion and the Between the second plates; wherein the fixing portion of the inner frame Forming a groove on one side, a light bar having a plurality of light emitting diodes is disposed in the groove of the fixing portion of at least one of the inner frames, and a light emitting surface of the light bar disposed in the groove Facing one side of the light guide plate. The flat panel lamp of claim 1, wherein the light transmissive plate is a diffuser plate or a homogenizer plate. The flat panel lamp of claim 1, wherein an elastic layer is disposed between the back plate and the reflector. The flat panel lamp of claim 3, wherein the elastic layer is a foam. The flat luminaire of claim 1, wherein the fixing portion of the inner frame is provided with at least one hole, the locking assembly comprises a threaded member and a threaded post, the threaded post is fixed to the outer frame The threaded member and the threaded post are locked in the hole. The flat panel lamp of claim 1, wherein a heat dissipating fin is disposed on a surface of the fixing portion of the inner frame. The flat panel lamp of claim 1, wherein the bearing portion of the outer frame is an L-shaped member, and the bearing portion is wrapped on a bottom surface and an outer side surface of the fixing portion. The flat panel lamp of claim 1, wherein the reflector, the light guide plate and the light transmissive plate are bonded to each other. The flat panel lamp of claim 1, wherein the reflector, the light guide plate and the light transmissive plate are coupled to each other through a tearable adhesive or a female snap. The flat panel lamp of claim 1, wherein the light bar is disposed in the recess of the fixing portion of the inner frame through a tearable adhesive or a female snap.