WO2022181924A1

WO2022181924A1 - Planar lighting device

Info

Publication number: WO2022181924A1
Application number: PCT/KR2021/015461
Authority: WO
Inventors: 이상미
Original assignee: 이상미
Priority date: 2021-02-24
Filing date: 2021-10-29
Publication date: 2022-09-01
Also published as: KR20220121016A; KR102499525B1

Abstract

The present invention relates to a planar lighting device and comprises: a main frame of which the rear side is coupled to an installation surface; a main lighting unit coupled to a front surface of the main frame and emitting light frontward when power is delivered from the outside; a side frame provided along an edge of the main frame and lengthily extending along the edge of the main frame; an auxiliary lighting unit coupled to a front surface of the side frame and emitting light to the front thereof when power is delivered from the outside; a diffusion unit located in front of the main frame and the side frame to diffuse light of the main lighting unit and the auxiliary lighting unit frontward; a partition wall which divides the main lighting unit and the auxiliary lighting unit therebetween into two sides at the front of an edge side of the main frame and lengthily extends along the edge of the main frame; and a control unit for simultaneously or individually controlling driving of the main lighting unit and the auxiliary lighting unit.

Description

Flat-panel lighting device

The present invention relates to a flat-panel lighting device, and more particularly, to a flat-panel lighting device capable of producing various types of light using a multi-illumination structure.

In general, flat-panel lighting devices using LEDs (Light Emitting Diodes), etc., are in the spotlight because they consume less power, have strong light intensity, and hardly emit harmful substances during the manufacturing process.

A conventional flat-panel lighting device includes a frame fixedly coupled to a ceiling, a wall, etc., a board installed on the front side of the frame and electrically connected to an external power supply, one or more lamps mounted on the board, and a frame coupled to the front side of the frame It is composed of a cover that diffuses the light of the lamp.

In addition, the flat-type lighting device has an edge-type structure in which the light of the LED element is incident through the side surface of the light guide plate and then diffuses the light through the front of the light guide plate and the cover, and a direct-type structure in which the light from the LED element is diffused to the front of the cover. etc are used.

However, since the conventional flat-panel lighting device has a structure in which one surface emits light, light cannot be produced in various forms, and since the form in which the light is irradiated is fixed, it is difficult to use it for various purposes.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flat-panel lighting device capable of variously producing light using a multi-illumination structure.

A flat lighting device according to the present invention includes a main frame having a rear side coupled to an installation surface, a main lighting unit coupled to the front side of the main frame and irradiating light to the front when power is transmitted from the outside, and the edge of the main frame. A side frame having a length along the edge of the main frame, an auxiliary lighting unit coupled to the front surface of the side frame and irradiating light forward when power is transmitted from the outside, the main frame and the side frame a diffusion unit located in the front to diffuse the light of the main lighting unit and the auxiliary lighting unit forward, and dividing between the main lighting unit and the auxiliary lighting unit in both sides in front of the edge side of the main frame, the edge of the main frame It characterized in that it comprises a partition wall having a length along the, and a control unit for simultaneously or individually controlling the driving of the main lighting unit and the auxiliary lighting unit.

In addition, the diffusion unit is coupled to the front surface of the main frame to diffuse the light of the main lighting unit to the front, and the main diffusion unit coupled to the front side of the side frame to diffuse the light of the auxiliary lighting unit to the front and side part, wherein the auxiliary diffusion unit includes a front body positioned in front of the auxiliary lighting unit and a side body having a front end connected to one side of the front body, and a rear end extending rearwardly in close contact with the front side of the side frame. may include

In addition, an inclined surface may be further formed on the front surface of the side frame to form a rearward inclination angle in a width direction opposite to the main frame, and the auxiliary lighting unit is coupled to the inclined surface in a direction opposite to the edge of the side frame The light can be irradiated obliquely.

In addition, it may further include a bracket coupled to the front surface of the side frame and forming a rearward inclination angle in a width direction opposite to the main frame, wherein the auxiliary lighting unit is coupled to the front surface of the bracket to form the main frame. Light can be irradiated at an angle in the direction opposite to the edge.

In addition, the auxiliary lighting unit may include an auxiliary circuit board coupled to the front surface of the side frame and arranged at least one in a width direction of the side frame, and a plurality of auxiliary lamps mounted on the front surface of the auxiliary circuit board. and the control unit may simultaneously or individually control the driving of the auxiliary lamp.

The present invention is used for various purposes (smart lighting, night lighting, emergency lighting, sleeping lighting, indirect lighting, etc.) because the form in which light is irradiated can be varied using a multi-illumination structure by configuring the auxiliary lighting part on the edge of the main lighting part This is possible, and the angle at which the light is diffused can be adjusted in various ways, which has the effect of creating a beautiful light.

In addition, since the present invention is applied in a slim structure to the edge of the main lighting unit, the appearance of the device can be beautifully produced, and the auxiliary lighting unit can be applied in a shape corresponding to the main lighting unit, so that it can be applied to the conventionally used flat panel lighting device. It has an effect that can be applied easily.

1 is a cross-sectional view showing a flat panel lighting device according to the present invention.

2 is a cross-sectional view illustrating a state in which a plurality of auxiliary lighting units are arranged in a flat panel lighting device according to the present invention.

3 is a cross-sectional view illustrating a state in which an inclined surface is formed on a side frame of a flat lighting device according to the present invention.

4 is a cross-sectional view showing a state in which a plurality of inclined surfaces of the flat lighting device according to the present invention are arranged.

5 is a cross-sectional view showing a state in which the bracket is coupled to the side frame of the flat lighting device according to the present invention.

6 is a cross-sectional view showing a state in which a plurality of brackets are arranged in the flat lighting device according to the present invention.

7 is a cross-sectional view showing a state in which the partition wall and the bracket of the flat lighting device according to the present invention are integrally formed.

8 is a cross-sectional view showing a state in which an insertion groove is formed in the bulkhead of the flat panel lighting device according to the present invention.

9 is a cross-sectional view for showing a state in which the bulkhead and the bracket of the flat lighting device according to the present invention are integrally formed, and a plurality of brackets are arranged.

10 is a cross-sectional view illustrating a state in which the auxiliary lighting unit of the flat lighting device according to the present invention is installed at different angles.

11 is a block diagram schematically showing the connection state of the control unit, the main lighting unit, and the auxiliary lighting unit of the flat panel lighting device according to the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

Advantages and features of the present invention, and a method of achieving the same, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited by the embodiments disclosed below, but will be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

In addition, in the description of the present invention, when it is determined that related known techniques may obscure the gist of the present invention, a detailed description thereof will be omitted.

1 is a cross-sectional view for showing a flat-panel lighting device according to the present invention, FIG. 2 is a cross-sectional view for showing a state in which a plurality of auxiliary lighting units of the flat-type lighting device according to the present invention are arranged, and FIG. 3 is It is a cross-sectional view for showing a state in which an inclined surface is formed on the side frame of the flat panel lighting device according to the present invention.

4 is a cross-sectional view to show a state in which a plurality of inclined surfaces of the flat lighting device according to the present invention are arranged, and FIG. 6 is a cross-sectional view for showing a state in which a plurality of brackets are arranged in the flat lighting device according to the present invention.

7 is a cross-sectional view to show a state in which the partition wall and the bracket of the flat panel lighting device according to the present invention are integrally formed, and FIG. 8 is a state in which an insertion groove is formed in the partition wall of the flat panel lighting device according to the present invention. 9 is a cross-sectional view for showing a state in which the bulkhead and the bracket of the flat panel lighting device according to the present invention are integrally formed, and a plurality of brackets are arranged.

10 is a cross-sectional view illustrating a state in which the auxiliary lighting unit of the planar lighting device according to the present invention is installed at different angles, and FIG. It is a block diagram to schematically show the state.

1 to 11 , the flat panel lighting device according to the present invention includes a main frame 100 , a main lighting unit 200 , a side frame 300 , an auxiliary lighting unit 400 , and a diffusion unit 500 . ) 600 , a partition wall 700 , and a control unit 800 .

The main frame 100 is coupled to an installation surface 10 such as a ceiling, and the main frame 100 has a polygonal frame (square, rectangular, triangular, pentagonal, etc.) shape in which a plurality of corners are formed on the edge, and the main A space portion open to the front is formed inside the frame 100 .

In addition, the main frame 100 may be manufactured using a metal material, and may have a heat dissipation structure for discharging heat generated when the main lighting unit 200 and the auxiliary lighting unit 400 are driven to the outside, which will be described later.

The main lighting unit 200 is coupled to the front of the main frame 100 , and irradiates light through the front of the main frame 100 when power is transmitted from the outside. The main lighting unit 200-1 according to the present invention can be applied as a direct type. In this case, the main lighting unit 200 may include a main circuit board 210 and a main lamp 220 .

The main circuit board 210 may be coupled to the front surface of the main frame 100 and may be electrically connected to a control unit 800 and a power supply unit 900 to be described later. The main circuit board 210 may be coupled with the rear surface in close contact with the rear surface of the main frame 100 .

The main lamp 220 is mounted on the front surface of the main circuit board 210 , and a plurality of main lamps 220 may be arranged in a spaced apart state on the front surface of the main circuit board 210 , and an LED (light emitting diode) may be used. have.

Such a main lamp 220 is lit when power is supplied to the main circuit board 210 , and irradiates the light generated when it is turned on toward the front of the main frame 100 . At this time, the light irradiated from the main lamp 220 is diffused forward through the main diffusion unit 500 to be described later.

The side frame 300 is provided along the edge of the main frame 100 , may have a length along the edge of the main frame 100 , and may protrude laterally from the side of the main frame 100 .

Here, one side of the side frame 300 in the width direction is connected to the side of the main frame 100 , and the other side opposite to it may extend laterally, and an auxiliary lighting unit 400 to be described later is provided on the front side of the side frame 300 . are combined

The auxiliary lighting unit 400 is coupled to the front side of the side frame 300 and divided into the main lighting unit 200 and both sides, and irradiates light forward when power is transmitted from the outside.

Here, the auxiliary lighting unit 400 may include an auxiliary circuit board 410 electrically connected to the external power supply 900 , and an auxiliary lamp 420 mounted on the front surface of the auxiliary circuit board 410 .

The auxiliary circuit board 410 may have a rear surface fixedly coupled to the front side of the side frame 300 , and may be electrically connected to a control unit 800 and a power supply unit 900 to be described later, and the auxiliary circuit board 410 is a side frame It may have a length along (300).

In addition, a support portion (not shown) for hooking both sides of the auxiliary circuit board 410 in the width direction from the front may be provided on the front side of the side frame 300 . The support parts may be respectively disposed on both sides of the auxiliary circuit board 410 in the width direction, and may support both sides of the auxiliary circuit board 410 in the width direction at positions spaced apart from the front of the main frame 100 from the front.

In addition, the auxiliary circuit board 410 may be coupled to the front surface of the side frame 300 using a fastening member (not shown). In this case, the fastening member may be coupled through the front surface of the auxiliary circuit board to be coupled to the front surface of the side frame by a screw coupling method.

A plurality of (1 to N) auxiliary lamps 420 may be installed on the front surface of the auxiliary circuit board 410 , and a plurality of auxiliary lamps 420 may be arranged in a spaced apart state along the longitudinal direction of the auxiliary circuit board 410 . Here, the auxiliary lamps 420 may be expressed in various colors (red, yellow, green, etc.), and one or more may be simultaneously or individually driven (ON/OFF, etc.) by the controller 600 to be described later.

A plurality of auxiliary circuit boards 410 according to an embodiment of the present invention may be arranged along the width direction of the side frame 300 , and an auxiliary circuit board is provided in the installation space S formed in front of the side frame 300 . A partition wall 700 for partitioning between the 410 on both sides may be provided. Here, the partition wall 700 may protrude from the rear surface of the auxiliary diffusion unit 600 to be described later, and may have a length along the longitudinal direction of the side frame 300 .

In this case, a plurality of auxiliary circuit boards 410 may be spaced apart from each other at a set interval, and support portions are provided on both sides of the auxiliary circuit boards 410 in the width direction, so that both sides of the auxiliary circuit boards 410 in the width direction from the front. Each can be supported, and the auxiliary lighting unit 400 may be individually controlled by a manipulation unit of the control unit 800 to be described later.

On the other hand, as shown in FIGS. 3 and 4 , an inclined surface 310 forming an inclination angle toward the rear side in a width direction opposite to the main frame 100 may be further formed on the front surface of the side frame 300 . At this time, since the auxiliary circuit board 410 of the auxiliary lighting unit 400 is inclinedly coupled to the inclined surface 310 , the auxiliary lamp 420 mounted on the auxiliary circuit board 410 emits light in a direction opposite to the edge of the side frame 300 . can be investigated obliquely.

Here, the inclined surface 310 may be arranged in a plurality of spaced apart states along the width direction of the side frame 300 as shown in FIG. 4 , and the inclined surface 310 in the installation space S formed in front of the side frame 300 . A partition wall 700 for partitioning between the two sides may be provided. Here, the partition wall 700 may protrude from the rear surface of the auxiliary diffusion unit 600 to be described later, and may have a length along the longitudinal direction of the side frame 300 .

In addition, the inclined surfaces 310 arranged along the width direction of the side frame 300 may be formed at the same or different angles, and the spacing between the inclined surfaces 310 may be variously adjusted.

That is, the number, position, and angle at which the auxiliary lamps 420 are lit can be variously adjusted, so they can be used for various purposes (smart lighting, night lighting, emergency lighting, bedtime lighting, indirect lighting, etc.), and the angle at which light is spread It can be adjusted in a variety of ways, so you can produce lighting in various shapes.

In another form, the bracket 320 may be coupled to the front side of the side frame 300 . The bracket 320 forms a rearward inclination angle in a width direction opposite to the main frame 300 , and a front surface of the bracket 320 forms a rearward inclination angle in a width direction opposite to the main frame 100 . In this case, the auxiliary lighting unit 400 may be coupled to the front side of the bracket 320 to irradiate light in a direction opposite to the edge of the main frame 100 .

In addition, the bracket 320 may be coupled to the front surface of the side frame 300 using a fastening member (not shown). In this case, the fastening member may be coupled through the front surface of the auxiliary circuit board to be coupled to the front surface of the side frame by a screw coupling method.

Here, a plurality of brackets 320 may be arranged in a spaced apart state along the width direction of the side frame 300 as in FIGS. 5 and 6, and the bracket (S) formed in front of the side frame 300 has a bracket ( A partition wall 700 for partitioning between the 320 and both sides may be provided. The partition wall 700 may protrude from the rear surface of the auxiliary diffusion unit 600 to be described later, and may have a length along the longitudinal direction of the side frame 300 .

In addition, the brackets 320 arranged along the width direction of the side frame 300 may be installed at the same or different angles, and the distance between the brackets 320 may be variously adjusted.

In addition, as shown in FIG. 10 , a partition wall 700 may be additionally formed in front of the side frame 300 , and the first partition wall 700 formed in the direction of the main frame 100 based on the partition wall 700 formed in front of the side frame 300 . It may be divided into a direction-side installation space (S) and a second direction-side installation space (S) corresponding to the first direction-side installation space (S).

In this case, the auxiliary circuit board 410 is coupled to the front surface of the side frame 300 located in the first direction side installation space (S), and the side frame 300 located in the second direction side installation space (S). An inclined surface 310 or a bracket 320 may be inclinedly provided on the front surface of the , and an auxiliary circuit board 410 may be inclinedly coupled to the front surface of the inclined surface 310 or the bracket 320 .

That is, the auxiliary lamp 420 located in the first direction side installation space (S) irradiates light forward, and the auxiliary lamp 420 located at an angle in the second direction side installation space (S) is the main frame 100 . ) can be irradiated obliquely in the direction opposite to the edge.

Since the auxiliary lighting unit 400 provides a multi-lighting structure divided at the edge of the main lighting unit 200, various uses (smart lighting, night lighting) through the selective driving of the main lighting unit 200 and the auxiliary lighting unit 400 are provided. , emergency lighting, sleeping lighting, indirect lighting) can be used.

In addition, the number, position, and angle at which the auxiliary lamps 420 are lit can be variously adjusted, so they can be used for various purposes (smart lighting, night lighting, emergency lighting, bedtime lighting, indirect lighting, etc.), and the angle at which light is spread It can be adjusted in a variety of ways, so you can produce lighting in various shapes.

* The diffusion unit is located in front of the main frame 100 and the side frame 300 to diffuse the light of the main lighting unit 200 and the auxiliary lighting unit 400 forward, and the diffusion unit is located in front of the main diffusion unit 500 and the auxiliary lighting unit 400 . It may be divided into a diffusion unit 600 .

The main diffusion unit 500 is located in front of the main frame 100 and diffuses the light of the main lighting unit 200 while passing it forward. Here, the main diffuser 500 may be applied in various colors so that light of a specific color may be diffused.

For example, when the main lighting unit 200 is directly applied, the main diffusion unit 500 may be spaced apart from the front of the main circuit board 210 , and the main diffusion unit 500 and the main circuit board 210 . An installation space (S) of a certain width may be formed between the .

The auxiliary diffuser 600 is positioned in front of the side frame 300 to diffuse the light of the auxiliary lighting unit 400 forward and sideways, and the auxiliary diffuser 600 has a length along the side frame 300 . Here, the auxiliary diffuser 600 may be applied in various colors so that light of a specific color may be diffused.

In addition, the auxiliary diffusion unit 600 is located in front of the auxiliary lighting unit 400 to diffuse the light of the auxiliary lighting unit 400 in the front body 610, and located at one side of the auxiliary lighting unit 400, the auxiliary lighting unit It may include a side body 620 that diffuses the light of 400 laterally.

For example, when the inclined surface 310 or the bracket 320 is applied to be inclined, the front body 610 may be inclined in the inclined direction of the inclined surface 310 or the bracket 320 , and from the auxiliary lamp 220 . Light irradiated obliquely may be obliquely diffused to the outside through the inclined front body 610 .

The partition wall 700 divides between the main lighting unit 200 and the auxiliary lighting unit 400 in both sides in front of the edge side of the main frame 100 , and has a length along the edge of the main frame 100 .

Here, insertion grooves 710 may be respectively formed on both sides of the partition wall 700 in the width direction as shown in FIG. 8 , and one side facing the main diffusion unit 500 and the auxiliary diffusion unit 600 is in the insertion groove 710 . Each can be inserted. At this time, one side of the front body 610 formed in front of the auxiliary diffusion unit 600 may be inserted to correspond to the insertion groove 710 .

The control unit 800 is for controlling the driving of the main lighting unit 200 and the auxiliary lighting unit 400 , and is electrically connected to the main circuit board 210 and the auxiliary circuit board 410 , and the space of the main frame 100 . It may be fixedly installed in the unit, and the driving of the main lighting unit 200 and the auxiliary lighting unit 400 may be individually controlled.

Here, the controller 800 may simultaneously or individually control the driving of the auxiliary lamp 420 . For example, one or more of the auxiliary lamps 420 may be simultaneously driven, and a position at which the auxiliary lamp 420 is turned on, a color of the auxiliary lamp 420 that is turned on, and the like may be variously controlled.

In addition, the control unit 800 may variously control the pattern in which the auxiliary lamp 420 flickers. For example, one or more auxiliary lamps 420 may be blinked simultaneously or individually, and the blinking time may be variously set.

In addition, the control unit 800 may be electrically connected to a power supply unit 900 for supplying power, and a manipulation unit (not shown) is provided so that a user can control the operations of the main lighting unit 200 and the auxiliary lighting unit 400 . can be electrically connected.

The operation unit can selectively operate the ON/OFF operation, the selective operation of the main lighting unit 200 and the auxiliary lighting unit 400, the number of lights of the main lamp 220 and the auxiliary lamp 420, etc. A switch may be provided, and the operation unit may be provided with a display unit for displaying the operating states of the main lighting unit 200 and the auxiliary lighting unit 400 to the outside.

As a result, in the present invention, by configuring the auxiliary lighting unit 400 at the edge of the main lighting unit 200, the form in which light is irradiated can be varied using a multi-illumination structure, so that various uses (smart lighting, night lighting, emergency lighting, It can be used as a sleeping light, indirect lighting, etc.)

In addition, since the present invention is applied to the edge of the main lighting unit 200 in a slim structure, the appearance of the device can be beautifully produced, and the auxiliary lighting unit 400 can be applied in a shape corresponding to the shape of the main lighting unit 200 . Therefore, it can be easily applied to existing flat panel lighting devices.

Although specific embodiments of the flat lighting device according to the present invention have been described so far, it is apparent that various implementation modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the following claims as well as the claims and equivalents.

That is, it should be understood that the above-described embodiment is illustrative in all respects and not restrictive, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims; All changes or modifications derived from the equivalent concept should be construed as being included in the scope of the present invention.

Modes for carrying out the invention have been described together in the above best mode for carrying out the invention.

The present invention has industrial applicability because light can be produced in various ways using a multi-illumination structure.

Claims

a main frame, the rear of which is coupled to the mounting surface;

a main lighting unit coupled to the front surface of the main frame and irradiating light forward when power is transmitted from the outside;

a side frame provided along an edge of the main frame and having a length along the edge of the main frame;

an auxiliary lighting unit coupled to the front side of the side frame and irradiating light forward when power is transmitted from the outside;

a diffusion unit positioned in front of the main frame and the side frame to diffuse the light of the main lighting unit and the auxiliary lighting unit forward;

a partition wall partitioning between the main lighting unit and the auxiliary lighting unit into both sides in front of the edge side of the main frame and having a length along the edge of the main frame; and

and a control unit for simultaneously or individually controlling the driving of the main lighting unit and the auxiliary lighting unit.
According to claim 1,

The diffuser includes a main diffuser coupled to the front side of the main frame to diffuse the light of the main lighting unit forward, and an auxiliary diffuser coupled to the front side of the side frame to diffuse the light of the auxiliary illumination unit forward and sideways. do,

The auxiliary diffusion portion comprises a front body positioned in front of the auxiliary lighting unit, and a side body having a front end connected to one side of the front body, and a rear end extending rearwardly in close contact with the front surface of the side frame. Flat illuminator.
According to claim 1,

An inclined surface is further formed on the front surface of the side frame to form a rearward inclination angle in a width direction opposite to the main frame,

The auxiliary lighting unit is coupled to the inclined surface and irradiates light in a direction opposite to the edge of the side frame in an inclined plane-type lighting device.
According to claim 1,

It is coupled to the front surface of the side frame, further comprising a bracket forming a rearward inclination angle toward the width direction opposite to the main frame,

The auxiliary lighting unit is coupled to the front surface of the bracket and irradiates light in a direction opposite to the edge of the main frame at an angle.
According to claim 1,

The auxiliary lighting unit includes an auxiliary circuit board coupled to the front surface of the side frame and arranged at least one in a width direction of the side frame, and a plurality of auxiliary lamps mounted on the front surface of the auxiliary circuit board,

The control unit controls the driving of the auxiliary lamps simultaneously or individually.