WO2021017450A1

WO2021017450A1 - Led panel lamp having light-emitting front surface and back surface

Info

Publication number: WO2021017450A1
Application number: PCT/CN2020/073434
Authority: WO
Inventors: 麦剑聪; 何炎生
Original assignee: 深圳市思奥特照明科技有限公司
Priority date: 2019-07-26
Filing date: 2020-01-21
Publication date: 2021-02-04
Also published as: DE212020000642U1

Abstract

An LED panel lamp having a light-emitting front surface and back surface comprises: a bottom housing (1) and an LED light source; a back board (2) detachably connected to a top portion of the bottom housing (1); an FPC flexible board (3); a light guide assembly sandwiched between the back board (2) and the FPC flexible board (3); a mounting base (6) fastened to a bottom portion of the bottom housing (1); and a light mixing piece (7) configured to be transparent or in a specified color, detachably connected to an edge of the bottom portion of the bottom housing (1), and used to mix light emitted by the back surface. The product has an improved structure, and light is introduced into the light mixing piece by means of an outer edge slot (9) so as to leverage and convert lost light into visible light, such that the environment is effectively contrasted, and upper and lower surfaces emit light. The bottom housing (1) of the lamp can be quickly coupled to the mounting base (6), such that the mounting is rapid and simple, and the required mounting time is reduced. A suspension space is reserved in a product design so as to allow for various mounting such as surface mounting and suspending.

Description

LED panel lamp with front and back light-emitting

Technical field

This application relates to the technical field of electronic and electrical lighting, and in particular to an LED panel lamp with front and back light emission.

Background technique

Panel light is a kind of lamps. It uses LED light to guide light to achieve lighting. It is ultra-thin and beautiful, simple and practical, and has the advantages of energy saving, environmental protection, durability, soft light, and anti-glare.

... In the prior art, the utility model patent with the application number CN201821716407.4 discloses "a frameless back light-emitting panel light, which includes: a lamp holder, a back plate, a light guide plate and an LED light source. The upper edge of the light guide plate is provided with a groove The lower end of the light board is inserted into the slot and fixed by glue, and the lower end of the light guide plate is flush with the outer side of the light board, or the lower end of the light guide protrudes from the outer side of the light board; The LED light source is arranged on the lower end surface of the back plate and faces the light guide plate, so that the LED light source emits light from top to bottom and directly shines on the light guide plate, and the LED lamp bead of the LED light source is provided with a reflective layer. The light generated by the LED light source can not only follow the guide The lower end surface of the light plate can be irradiated, and it can also be irradiated to the surroundings along the lower end side of the light guide plate, so as to expand the light angle range, and can achieve the entire surface luminous effect, and the lighting effect is more ideal.

technical problem

The LED light source directs the light guide plate from top to bottom, so as to ensure that the LED light source produces uniform light directly to the light guide plate, so that the light guide plate can evenly guide the light, which can improve the lighting effect", but there are still defects. The light guide plate is directed downwards, which can guide light uniformly, but can only emit light on one side, and the light irradiated by the LED light source on the back plate is blocked by the inner ring, causing light loss.

Technical solutions

In order to solve the problems in the prior art, the purpose of this application is to provide an LED panel lamp with front and back light emission. By improving the product structure, the LED panel luminaire introduces light into the light mixing sheet through the outer edge groove, and makes full use of the lost light and transforms it into visible light, which effectively contrasts the environment and realizes the function of top and bottom lighting. In addition, the design of the fast coupling between the bottom shell and the installation base of the lamp can be installed quickly and simply, saving installation time; the product design reserves a lifting space, which can realize multi-purpose installation of surface and lifting

In order to achieve the above objectives, the application adopts the following technical solutions:

An LED panel luminaire with front and back light emission, including a bottom shell and an LED light source, and

The back panel can be detachably connected to the top of the bottom shell;

FPC flexible board, set on the side of the backboard away from the bottom shell;

The inner ring can be detachably connected to the side of the back plate away from the bottom shell;

The light guide component is clamped between the backplane and the FPC flexible board;

Input junction box, set at the bottom center of the bottom shell, used to connect the power supply;

Install the base, which is clipped to the bottom of the bottom shell and covers the outside of the input junction box;

The light mixing film can be detachably connected to the bottom edge of the bottom shell;

The lifting box can be detachably connected to the side of the mounting base away from the bottom shell;

among them

Both the bottom shell and the back plate are cut with outer edge grooves matched with the light mixing sheet.

Preferably, it further comprises a hoisting bracket, which is connected to the side of the hoisting box away from the installation base by screws.

Preferably, both the back plate and the outer frame are connected to the bottom shell by screws.

Preferably, the light guide assembly is mainly composed of a shockproof sponge pad, reflective paper, a light guide plate, and a diffuser, and the shockproof sponge pad, reflective paper, light guide plate, and diffuser are sequentially connected to the back in a direction away from the bottom shell. Between the board and the FPC flexible board.

Preferably, a buckle is provided on the mounting base, and the buckle is integrally formed with the mounting base, the bottom of the bottom shell is connected with a clamping strip that cooperates with the buckle, and the mounting base is clamped to The bottom of the bottom shell.

Preferably, the bottom shell is provided with a hoisting hole, the hoisting hole is connected with a hoisting rope through a screw, and the end of the hoisting rope away from the bottom case is connected to the hoisting box.

Preferably, a convex strip is connected to the edge of the light mixing sheet, a groove matching the convex strip is excavated on the bottom shell, and the light mixing sheet is clamped at the bottom edge of the bottom shell through the convex strip.

Preferably, a mounting hole is provided on the mounting base.

Preferably, the input junction box is mainly composed of a power inlet A, a power inlet B, and a crimping plate, the crimping plate is connected to the bottom of the bottom shell, and the power inlet A is provided at the bottom of the bottom shell, The power input interface B is arranged on the pressure line board.

Preferably, a large copper ring and a small copper ring are provided on the power inlet A.

Beneficial effect

Compared with the prior art, this application provides an LED panel lamp with front and back light emitting, which has the following beneficial effects:

When the LED light source emits light, the light irradiated inside the housing after being refracted by the three-piece light guide plate is guided into the light mixing plate through the outer edge groove, and the guided light is visible through the mixing of the light, and the back light of the panel lamp is improved. The back rendering effect of the lamp, and the replacement of different colors of light mixing film to achieve different colors of backlight rendering, and some light guide light guide components, through the reflective paper, light guide plate and diffusion plate to make the light guide light guide components evenly dispersed, In this way, the bottom light-emitting function of the panel light is realized, the guide light is fully utilized, the loss of light energy is reduced, and the multiple detachable structures are easy to install and disassemble.

In addition, the design of the fast coupling between the bottom shell and the installation base of the lamp can be installed quickly and easily, saving installation time; the product design reserves a lifting space, which can realize multi-purpose installation of surface installation and lifting.

Description of the drawings

Figure 1 is one of the structural schematic diagrams of an LED panel lamp with front and back light emission proposed in this application;

Fig. 2 is the second structural diagram of an LED panel lamp with front and back light emission proposed in this application;

Fig. 3 is the third structural diagram of an LED panel lamp with front and back light emission proposed in this application;

Fig. 4 is the fourth structural diagram of an LED panel lamp with front and back light emission proposed in this application;

FIG. 5 is an enlarged schematic diagram of the part A in FIG. 3 of an LED panel lamp with front and back light emission proposed by this application;

FIG. 6 is a schematic diagram of the connection structure of the hanging box of the LED panel lamp with front and back light emission proposed in this application.

In the picture: 1. Bottom shell; 2. Backplane; 3. FPC flexible board; 4. Outer frame; 5. Input junction box; 6. Mounting base; 7. Light mixing film; 8. Lifting box; 9. Outer edge Groove; 10. Lifting bracket; 11. Shockproof sponge pad; 12. Reflective paper; 13. Light guide plate; 14. Diffusion plate; 15. Large copper ring; 16. Lifting hole; 17, Sling rope; 18. Protruding strip; 19 , Mounting hole; 20, buckle; 21, clip strip; 22, small copper ring.

The best mode of the invention

The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, based on The embodiments in the application, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the application.

In the description of this application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", and "top/bottom" are based on the directions shown in the drawings. The or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of this application, it should be noted that the terms "installed", "provided with", "set/connected", "connected", etc., should be interpreted broadly, such as " "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood under specific circumstances.

Example 1:

Referring to Figures 1-6, an LED panel luminaire with front and back light emitting, includes a bottom shell 1 and an LED light source, and also includes

Backboard 2, detachably connected to the top of bottom shell 1;

The FPC flexible board 3 is arranged on the side of the back board 2 away from the bottom shell 1;

The outer frame 4 is detachably connected to the side of the back plate 2 away from the bottom shell 1;

The light guide component is clamped between the backplane 2 and the FPC flexible board 3;

The input junction box 5 is set at the bottom center of the bottom shell 1 for connecting the power supply;

Install the base 6, which is clamped on the bottom of the bottom shell 1 and covers the outside of the input junction box 5;

The light mixing sheet 7 is detachably connected to the bottom edge of the bottom shell 1;

The lifting box 8 is detachably connected to the side of the mounting base 6 away from the bottom shell 1;

among them

Both the bottom shell 1 and the back plate 2 are cut with an outer edge groove 9 that matches with the light mixing sheet 7;

The light guide assembly is mainly composed of shockproof sponge pad 11, reflective paper 12, light guide plate 13, and diffuser 14, and the shockproof sponge pad 11, reflective paper 12, light guide plate 13, and diffuser plate 14 are sequentially connected along the direction away from the bottom shell 1. Between the backplane 2 and the FPC flexible board 3;

When the LED light source emits light, the light irradiated on the bottom shell 1 is guided into the light mixing sheet 7 through the outer edge groove 9, and the guided light is visible through the mixing in the light mixing sheet 7, so that the back of the panel lamp can also emit light. The effect of environmental rendering, part of the light guide light guide component, through the reflective paper 12, light guide plate 13, and diffuser 14 to make the light guide light guide component evenly dispersed, so as to achieve the bottom of the panel light emitting function, to achieve full use of the guide light .

Example 2:

Referring to Figures 1-6, an LED panel luminaire with front and back light emission is basically the same as Embodiment 1. Furthermore, it also includes a lifting bracket 10, which is connected to the lifting box 8 on the side away from the mounting base 6 by screws. ；

The back plate 2 and the outer frame 4 are both connected to the bottom shell 1 by screws, so as to realize the function of quick installation, disassembly and replacement of the light guide assembly;

The mounting base 6 is provided with a buckle 20, the buckle 20 and the mounting base 6 are integrally formed, the bottom of the bottom shell 1 is connected with a buckle 21 matched with the buckle 20, and the mounting base 6 is clamped to the bottom shell through the buckle 20 The bottom of 1 realizes the quick installation function of the installation base 6, which is convenient for connecting the power cord of the LED light source;

The bottom shell 1 is provided with a hoisting hole 16 which is connected with a hoisting rope 17 by screws. The end of the hoisting rope 17 away from the bottom case 1 is connected to the hoisting box 8 to realize the hoisting function of the hoisting box 8 with LED light source. Leave space for hoisting, which can realize multi-purpose installation of surface installation and hoisting;

A convex strip 18 is connected to the edge of the light mixing sheet 7, a groove matching with the convex strip 18 is excavated on the bottom shell 1, and the light mixing sheet 7 is clamped at the bottom edge of the bottom shell 1 through the convex strip 18 to realize easy replacement The function of the light-mixing sheet 7, and then realize the function of modifying the panel lights in different colors;

The input junction box 5 is mainly composed of the power input interface A, the power input interface B and the crimping plate. The crimping plate is connected to the bottom of the bottom shell 1. The power inlet A is set at the bottom of the bottom shell 1, and the power inlet B is set at the bottom of the bottom shell 1. The crimping board has a large copper ring 15 and a small copper ring 22 at the power inlet interface;

A mounting hole 19 is provided on the mounting base 6;

By rotating the mounting base 6, the buckle 20 is separated from the clip strip 21, and the input junction box 5 is leaked, facilitating the connection work. The convex strip 18 is pulled out from the groove at the bottom of the bottom case 1 to realize the light mixing sheet 7 Replacement function, replace the light mixing sheet 7 of different colors to change the color of the back light to achieve the rendering effect of the panel light.

The above are only preferred specific implementations of this application, but the protection scope of this application is not limited to this. Anyone familiar with the technical field within the technical scope disclosed in this application, according to the technical solution of this application The equivalent replacement or change of its practical concept should be covered within the protection scope of this application.

Claims

An LED panel lamp with front and back light emission, comprising a bottom shell (1) and an LED light source, and is characterized in that it also includes a back plate (2), which is detachably connected to the top of the bottom shell (1);

The FPC flexible board (3) is arranged on the side of the back board (2) away from the bottom shell (1);

The outer frame (4) can be detachably connected to the side of the back plate (2) away from the bottom shell (1);

The light guide component is clamped between the backplane (2) and the FPC flexible board (3);

The input junction box (5) is set at the bottom center of the bottom shell (1) for connecting to the power supply;

Install the base (6), which is clamped on the bottom of the bottom shell (1) and covers the outside of the input junction box (5);

The light mixing sheet (7) can be detachably connected to the bottom edge of the bottom shell (1);

The lifting box (8) can be detachably connected to the side of the mounting base (6) away from the bottom shell (1);

among them,

Both the bottom shell (1) and the back plate (2) are cut with outer edge grooves (9) matched with the light mixing sheet (7).
The LED panel luminaire with front and back light emitting according to claim 1, further comprising a lifting bracket (10), and the lifting bracket (10) is connected to the lifting box (8) away from the mounting base (6) by screws. ) One side.
The LED panel luminaire with front and back light emitting according to claim 2, characterized in that the back plate (2) and the outer frame (4) are both connected to the bottom shell (1) by screws.
The LED panel lamp with front and back light emission according to claim 3, characterized in that the light guide assembly is mainly composed of shockproof sponge pad (11), reflective paper (12), light guide plate (13), diffuser plate ( 14), and the shockproof sponge pad (11), reflective paper (12), light guide plate (13), and diffuser plate (14) are sequentially connected to the back plate (2) and the FPC along the direction away from the bottom shell (1) Between flexible boards (3).
The LED panel luminaire with front and back light emission according to claim 4, characterized in that, a buckle (20) is provided on the mounting base (6), and the buckle (20) and the mounting base (6) It is integrally formed, the bottom of the bottom shell (1) is connected with a clip strip (21) that matches the buckle (20), and the mounting base (6) is clipped to the bottom shell (1) through the buckle (20) bottom of.
The LED panel luminaire with front and back light emitting according to claim 5, characterized in that the bottom shell (1) is provided with a lifting hole (16), and the lifting hole (16) is connected with a lifting rope through a screw (17), the end of the lifting rope (17) away from the bottom shell (1) is connected to the lifting box (8).
The LED panel lamp with front and back light emitting according to any one of claims 1-6, wherein the edge of the light mixing sheet (7) is connected with a convex strip (18), and the bottom shell (1) A groove matching with the convex strip (18) is excavated, and the light mixing sheet (7) is clamped at the bottom edge of the bottom shell (1) through the convex strip (18).
The LED panel luminaire with front and back light emitting according to any one of claims 1-6, characterized in that the mounting base (6) is provided with a mounting hole (19).
The LED panel luminaire with front and back light emitting according to claim 1, characterized in that the input junction box (5) is mainly composed of a power inlet A, a power inlet B, and a crimping plate. The board is connected to the bottom of the bottom shell (1), the power inlet A is arranged at the bottom of the bottom shell (1), and the power inlet B is arranged on the crimping plate.
The LED panel luminaire with front and back light emission according to claim 9, characterized in that a large copper ring (15) and a small copper ring (22) are provided on the power inlet A.