CN213983166U

CN213983166U - LED panel light and refrigerator

Info

Publication number: CN213983166U
Application number: CN202022865528.9U
Authority: CN
Inventors: 李建; 江新华
Original assignee: Shenzhen H&T Intelligent Control Co Ltd
Current assignee: Shenzhen H&T Intelligent Control Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-17
Anticipated expiration: 2030-12-03

Abstract

The embodiment of the utility model provides a relate to LED lighting apparatus technical field, concretely relates to LED panel light, it includes: the backlight module comprises a back plate, a frame, a lamp panel, a light reflecting sheet, a light guide plate and a diffusion plate, wherein a first protruding part and a second protruding part are arranged on the back plate; the frame is arranged on two opposite sides of the back plate, the frame is provided with a groove towards the back plate, and the two opposite sides of the back plate are detachably clamped in the groove; the lamp panel is arranged in the groove, and an LED lamp is arranged on the lamp panel; the LED lamp comprises a back plate, a light guide plate, a light diffusion plate, a first protruding portion, a second protruding portion, a groove and an LED lamp, wherein the light guide plate is arranged on the back plate in a stacked mode, the two ends of the light guide plate are respectively installed between the first protruding portion and the second protruding portion in a limiting mode, the two opposite sides of the light guide plate, the light guide plate and the light reflection plate are detachably clamped in the groove, and the LED lamp and the light guide plate are correspondingly arranged. In this way, the embodiment of the utility model provides a realize swift dismouting and maintenance of each part of LED panel light.

Description

LED panel light and refrigerator

Technical Field

The embodiment of the utility model provides a relate to LED lighting apparatus technical field, concretely relates to LED panel light and refrigerator.

Background

LED panel light mainly comprises backplate, both sides lamp plate, reflection of light piece, light guide plate and diffuser plate, is applied to the lamp plate of refrigerator inside illumination owing to do water repellent, therefore its reflection of light piece, light guide plate and both sides lamp plate are installed on the backplate, passes through waterproof glue bonding connection at the edge between the diffuser plate in the outside and the backplate to realize the waterproof function of LED panel light. After the diffuser plate is connected through waterproof glue bonding with the backplate, on the one hand make unable dismantlement between each part of LED panel light, can't maintain after a certain part goes wrong, needs the whole change, on the other hand, waterproof glue bonding process needs the certain time for the production efficiency of product reduces.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a LED panel light to make things convenient for the dismantlement and the maintenance of LED panel light.

According to an aspect of the embodiment of the utility model provides a LED panel light is provided, it includes: a back plate, a frame, a lamp panel, a reflecting sheet, a light guide plate and a diffusion plate,

a first protruding part and a second protruding part are respectively arranged at two ends of one plate surface of the back plate in a protruding mode;

the frame is arranged on two opposite sides of the back plate, the frame is provided with a groove towards the back plate, and the two opposite sides of the back plate are detachably clamped in the groove;

the lamp panel is arranged in the groove and located between the frame and the back plate, and an LED lamp is arranged on the lamp panel;

the light guide plate is provided with a plurality of second protruding portions, the light guide plate is provided with a plurality of diffusion plates, the light guide plate is provided with a plurality of light reflecting pieces, the light reflecting pieces are sequentially arranged on the surface of the back plate in a stacking manner, the two ends of the light guide plate and the two ends of the diffusion plates are respectively arranged in a limiting manner between the first protruding portions and the second protruding portions, the light guide plate is provided with two opposite sides of the diffusion plates, the light guide plate is detachably clamped in the grooves, the LED lamp is correspondingly arranged with the light guide plate, and light emitted by the LED lamp enters the light guide plate.

In an optional manner, outer edges between the light reflecting sheet, the light guide plate, and the diffusion plate are respectively sealed and attached.

In an optional mode, the frame is an aluminum profile subjected to surface oxidation treatment.

In an optional mode, the LED panel lamp further includes a first fixing plate and a second fixing plate, the first fixing plate is detachably connected to the first protruding portion, the second fixing plate is detachably connected to the second protruding portion, the first fixing plate partially covers an end of the diffusion plate away from the light guide plate, and the second fixing plate partially covers an end of the diffusion plate away from the light guide plate.

In an optional manner, the LED panel light further includes at least one third fixing plate, the third fixing plate covers the front surface of the diffusion plate, and the third fixing plate is detachably connected to the back plate.

In an optional mode, a protruding frame is arranged on one end face, facing the light reflecting sheet, of the back plate, the protruding frame comprises an inner frame body and an outer frame body arranged on the outer side of the inner frame body, first openings matched with the outer frame body are respectively arranged on the light reflecting sheet, the light guide plate and the diffusion plate, the height of the outer frame body is smaller than or equal to the total stacked depth of the first openings, the height of the inner frame body is larger than the total stacked depth of the first openings, the outer frame body is matched with the first openings, a second opening matched with the inner frame body is arranged on the third fixing plate, and the inner frame body is matched with the second opening.

In an optional mode, the LED panel light further includes a light-transmitting plate, the light-transmitting plate is fixed to the surface of the diffusion plate away from the light guide plate, the light-transmitting plate is provided with the first opening, the light-transmitting plate and the diffusion plate are attached to each other at the outer edge in a sealing manner,

the light-transmitting plate and the diffusion plate are in sealing fit at the edge of the first opening; and/or a sealing ring is arranged at the contact position of the third fixing plate and the light transmission plate.

In an optional mode, the groove is internally far away from the back plate, a sliding groove is formed in the position, and the lamp panel is arranged in the sliding groove.

In an optional mode, the LED panel light further includes an input line, the input line is fixed to a surface of the back plate away from the light guide plate and electrically connected to the lamp panel, and one end of the input line is exposed out of the back plate.

The embodiment of the utility model provides a further aspect provides a refrigerator, and it includes above-mentioned LED panel light.

The LED panel lamp provided by the embodiment of the utility model realizes the fixation of the reflector, the light guide plate and the diffusion plate in the vertical direction by arranging the first protruding part and the second protruding part at the two ends of the back and the front; the frame is arranged on two opposite sides of the back plate, and the groove for accommodating the light reflecting sheet, the light guide plate and the diffusion plate is arranged on the frame, so that the light reflecting sheet, the light guide plate and the diffusion plate are fixed in the horizontal direction; through the detachable connection between the frame and the back plate, each part of the LED panel lamp is convenient to disassemble, assemble and maintain.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of an LED panel lamp according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure of an LED panel lamp according to an embodiment of the present invention;

FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2 at A;

FIG. 4 is a schematic view of the enlarged partial structure of FIG. 2 at B;

fig. 5 is a schematic structural view of an assembly of a frame and a lamp panel in an LED panel lamp provided in an embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5 at C;

fig. 7 is a schematic structural view of an end surface of an LED panel lamp where a frame and a lamp panel are assembled;

fig. 8 is a schematic structural view of the back of the LED panel lamp according to an embodiment of the present invention.

The reference numbers in the detailed description are as follows:

an LED panel lamp 100; a back plate 110; a first rib 111; second ribs 112; a convex frame 113; an inner frame 1131; an outer frame body 1132; a frame 120; a groove 121; a chute 122; a lamp panel 130; an LED lamp 131; a reflector 140; a light guide plate 150; a diffusion plate 160; a first fixing plate 170; a second fixing plate 180; a third fixing plate 190; a second opening 191; a first opening 200; the light-transmitting panel 210; an input line 220.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

The edge of the diffusion plate is connected with the back plate through waterproof glue in a bonding mode, and the diffusion plate and the back plate cannot be detached after bonding connection, so that the LED panel lamp cannot be maintained when a fault occurs, the whole LED panel lamp can only be replaced, and resource waste is caused.

In view of the above problem, the embodiment of the utility model provides a LED panel light to can realize the maintenance of dismantling of LED panel light.

Referring to fig. 1 to fig. 3, an aspect of the present invention provides an LED panel lamp 100, wherein fig. 1 schematically illustrates an overall structure of the LED panel lamp 100 according to an embodiment of the present invention, fig. 2 illustrates an explosion structure of the LED panel lamp 100 according to an embodiment, and fig. 3 illustrates a specific structure of a groove 121 of a frame 120 in the LED panel lamp 100 according to an embodiment. The LED panel lamp 100 includes: the backlight module comprises a back plate 110, a frame 120, a lamp panel 130, a light reflecting sheet 140, a light guide plate 150 and a diffusion plate 160, wherein a first protruding part (such as a first protruding strip 111 shown in fig. 2) and a second protruding part (such as a second protruding strip 112 shown in fig. 2) are respectively protruded at two ends of the front surface of the back plate 110; the frame 120 is disposed on two opposite sides of the back plate 110, the frame 120 has a groove 121 facing the back plate 110, and the two opposite sides of the back plate 110 are detachably clamped in the groove 121; the lamp panel 130 is arranged in the groove 121, the lamp panel 130 is located between the frame 120 and the back plate 110, and the lamp panel 130 is provided with an LED lamp 131; the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are sequentially stacked on the front surface of the back plate 110, wherein the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are respectively disposed between the first protruding portion and the second protruding portion, and the two ends of the light guide plate 150 and the diffusion plate 160 are respectively and limitedly mounted between the first protruding portion and the second protruding portion, the light reflecting sheet 140, the two opposite sides of the light guide plate 150 and the diffusion plate 160 are detachably clamped in the groove 121, the LED lamp 131 and the light guide plate 150 are correspondingly arranged, so that light emitted by the LED lamp 131 enters the light guide plate 150.

It should be noted that the LED panel lamp 100 of the present embodiment can be used for illumination alone, and can also be used in combination with an illumination appliance (such as a refrigerator, a dishwasher, etc.).

In the LED panel lamp 100 of this embodiment, the first protruding portion and the second protruding portion are disposed at two ends of the front surface of the back plate 110, so that the reflector 140, the light guide plate 150, and the diffuser 160 are fixed in the vertical direction; the frames 120 are arranged on two opposite sides of the back plate 110, and the grooves 121 which are detachably clamped with the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are arranged on the frames 120, so that the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are fixed in the horizontal direction; through the detachable connection between the frame 120 and the back plate 110, the components of the LED panel lamp 100 are convenient to disassemble, assemble and maintain.

In the embodiment shown in fig. 2, the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are disposed on the front surface of the back plate 110 from near to far, the first protrusion is a first protruding strip 111 disposed on the front surface of the back plate 110 near one end of the back plate 110, the second protrusion is a second protruding strip 112 disposed on the front surface of the back plate 110 near the other end of the back plate 110, the first protruding strip 111 and the second protruding strip 112 are disposed in parallel, two ends of the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are respectively contacted with the first protruding strip 111 and the second protruding strip 112, the light plate 130 is disposed in the groove 121, the back surface of the light plate 130 is contacted with the bottom surface of the groove 121, a plurality of LED lamps 131 are uniformly distributed on the front surface of the light plate 130, the LED lamps 131 are disposed corresponding to the light guide plate 150, so that light emitted from the LED lamps 131 enters the light guide plate 150 to form a surface light source, two opposite sides of the back plate 110, the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160 are detachably clamped in the groove 121, the frame 120 and the back plate 110 are screwed together by screws and screw holes, so that the reflective sheet 140, the light guide plate 150 and the diffuser plate 160 are detachably fixed on the back plate 110.

It is understood that in other embodiments, the first protruding strips 111 may also be a plurality of bumps distributed on the front surface of the back plate 110 near one end of the back plate 110; the second protruding strips 112 may also be a plurality of protruding blocks distributed on the front surface of the back plate 110 near the other end of the back plate 110; the lamp panel 130 may also be disposed in the groove 121 and not in contact with the bottom surface of the groove 121; the frame 120 and the back plate 110 may be connected by a snap connection or a magnetic connection.

In some embodiments, the light reflecting sheet 140, the light guide plate 150, and the diffusion plate 160 are respectively attached to each other at the outer edges in a sealing manner, for example, by sealing and bonding with a waterproof adhesive or by sealing and connecting with a sealing ring, so as to improve the waterproof performance among the light reflecting sheet 140, the light guide plate 150, and the diffusion plate 160.

In some embodiments, the frame 120 may be an aluminum profile with a surface oxidation treatment. Because the aluminum profile has a good light reflecting effect, when the LED panel lamp 100 works, the frame 120 of the aluminum profile can reflect light, so as to increase the light emitting area at two sides of the LED panel lamp 100 and increase the illumination brightness; by carrying out oxidation treatment on the surface of the aluminum profile, the oxidation resistance of the frame 120 is improved, so that the service life is prolonged.

In some embodiments, as shown in fig. 1 and 2, the LED panel light 100 may further include a first fixing plate 170 and a second fixing plate 180, the first fixing plate 170 is detachably connected to the first protrusion 111, the second fixing plate 180 is detachably connected to the second protrusion 112, the first fixing plate 170 partially covers one end of the front surface of the diffusion plate 160, and the second fixing plate 180 partially covers the other end of the front surface of the diffusion plate 160.

The first fixing plate 170 and the second fixing plate 180 covering both ends of the front surface of the diffusion plate 160 are arranged, so that the reflective sheet 140, the light guide plate 150 and the diffusion plate 160 are further fixed on the back plate 110, on one hand, the structural stability is improved, and on the other hand, the waterproof performance of the LED panel lamp 100 is improved.

In the embodiment shown in fig. 1 and 2, the first fixing plate 170 is connected to the first protrusion 111 by a snap fit through the front surface of the first fixing plate 170, and is connected to the back plate 110 by a screw screwed into the back surface corresponding to the first protrusion 111, and the second fixing plate 180 is connected to the second protrusion 112 by a screw screwed into the back surface corresponding to the second protrusion 112 of the back plate 110.

It is understood that, in other embodiments, the first fixing plate 170 and the first protruding strip 111, and the second fixing plate 180 and the second protruding strip 112 may be connected by engaging the locking protrusion with the locking groove, or magnetically attracted by a magnet.

In some embodiments, as shown in fig. 1 and 2, the LED panel light 100 may further include at least one third fixing plate 190, the third fixing plate 190 covers the front surface of the diffusion plate 160, and the third fixing plate 190 is detachably connected to the back plate 110.

By disposing the third fixing plate 190 to cover the diffusion plate 160, the reflective sheet 140, the light guide plate 150 and the diffusion plate 160 are further fixed on the back plate 110, and the middle portions of the reflective sheet 140, the light guide plate 150 and the diffusion plate 160 are prevented from being raised due to bending.

In some embodiments, as shown in fig. 2 and fig. 4, wherein fig. 4 schematically illustrates a specific structure of the protruding frame 113 in the LED panel lamp 100 according to an embodiment of the present invention, the upper portion of the back plate 110 may be provided with the protruding frame 113, the protruding frame 113 includes an inner frame 1131 and an outer frame 1132 disposed outside the inner frame 1131, the reflector 140, the light guide plate 150, and the diffuser 160 are respectively provided with a first opening 200 adapted to the outer frame 1132, the height of the outer frame 1132 is less than or equal to the total depth of the stacked first openings 200, the height of the inner frame 1131 is greater than the total depth of the stacked first openings 200, the outer frame 1132 is matched with the first opening 200, the third fixing plate 190 is provided with a second opening 191 adapted to the inner frame 1131, and the inner frame 1131 is matched with the second opening 191.

The inner frame 1131 is matched with the second opening 191, so that the third fixing plate 190 can be quickly positioned on the back plate 110; the outer frame 1132 is engaged with the first opening 200, so that the reflector 140, the light guide plate 150 and the diffuser 160 are quickly positioned on the back plate 110.

In the embodiment shown in fig. 2 and 4, two protruding frames 113 are symmetrically disposed on the back plate 110, the inner frame 1131 is a hollow bar, the outer frame 1132 is an "i" frame disposed outside the inner frame 1131 and having two protruding ends, the outer frame 1132 is engaged with the first opening 200, the back plate 110 has a plurality of through holes uniformly disposed between the protruding portions at the two ends of the outer frame 1132, and the back plate 110 is screwed to the third fixing plate 190 through screws passing through the through holes from the back surface of the inner frame 1131 while being engaged with the second openings 191.

It is understood that in other embodiments, the protruding frame 113 may not be disposed on the back plate 110; the inner frame 1131 and the outer frame 1132 may have other shapes; the number of the third fixing plates 190 may also be one or more; the third fixing plate 190 and the back plate 110 may be magnetically attracted or engaged.

In some embodiments, the light reflecting sheet 140, the light guide plate 150, and the diffusion plate 160 may be sealed and attached by a waterproof adhesive at the edge of the first opening 200; and/or a seal ring is provided at a position where the third fixing plate 190 contacts the diffusion plate 160.

The edges of the first opening 200 are sealed and attached through the reflective sheet 140, the light guide plate 150 and the diffusion plate 160; and/or a sealing ring is disposed at a contact position of the third fixing plate 190 and the diffusion plate 160, so as to improve the overall waterproof performance of the light reflecting sheet 140, the light guide plate 150 and the diffusion plate 160.

In some embodiments, as shown in fig. 2, the LED panel light 100 may further include a light-transmitting plate 210, the light-transmitting plate 210 is fixed on the front surface of the diffusion plate 160 facing away from the light guide plate 150, the light-transmitting plate 210 is also provided with a first opening 200, the light-transmitting plate 210 and the diffusion plate 160 are attached to each other at the outer edge in a sealing manner,

the light-transmitting plate 210 and the diffusion plate 160 are hermetically attached to each other at the edge of the first opening 200; and/or a sealing ring is provided at a position where the third fixing plate 190 contacts the light-transmitting plate 210.

The light-transmitting plate 210 is arranged on the front surface of the diffusion plate 160, so that the surface of the LED panel lamp 100 can be cleaned conveniently, and the three-dimensional effect and the attractiveness of the LED panel lamp 100 are improved; the light-transmitting plate 210 is hermetically connected with the diffusion plate 160 and the third fixing plate 190, so that the waterproof performance of the LED panel lamp 100 is improved.

In the embodiment shown in fig. 2, the light-transmitting plate 210 is disposed on the front surface of the diffusion plate 160, the light-reflecting sheet 140, the light guide plate 150, the diffusion plate 160 and the light-transmitting plate 210 are sealed and adhered to each other at the outer edge and the edge of the first opening 200 by waterproof glue to form a four-piece set, two ends of the four-piece set are respectively fixed on the back plate 110 by the first fixing plate 170 and the second fixing plate 180, two opposite side portions of the four-piece set are accommodated in the grooves 121 of the bezel 120, and the third fixing plate 190 is disposed at the first opening 200 of the four-piece set, so that the four-piece set is stably fixed on the front surface of the back plate 110, and the waterproof performance of the four-piece set is good.

It is understood that in other embodiments, a sealing ring may be further disposed at a position where the third fixing plate 190 contacts the first opening 200, so as to further improve the waterproof performance of the four-piece set.

In some embodiments, as shown in fig. 5 and fig. 6, wherein fig. 5 schematically shows the structure of the LED panel light 100 according to an embodiment of the present invention after the frame 120 and the lamp panel 130 are assembled, fig. 6 shows the concrete structure of the sliding groove 122, the limiting post and the lamp panel 130 in the LED panel light 100 according to an embodiment, the sliding groove 122 may be disposed in the groove 121 at a position away from the back plate 110, and the lamp panel 130 is disposed in the sliding groove 122. Through set up spout 122 in recess 121 bottom, the lamp plate 130 of being convenient for inserts frame 120 fast in, promotes assembly efficiency.

In the specific embodiment shown in fig. 5 to 7, fig. 7 schematically shows the utility model discloses an in LED panel lamp 100 lamp plate 130 assemble a terminal surface structure in spout 122, the degree of depth of spout 122 slightly is greater than the thickness of lamp plate 130 to lamp plate 130 slides in spout 122, and the one end of spout 122 is equipped with spacing post, makes lamp plate 130 insert a certain position after-fixing from the spout 122 other end. It is understood that in other embodiments, the lamp panel 130 may be connected to the recess 121 by a snap structure or a screw.

In some embodiments, as shown in fig. 8, fig. 8 schematically illustrates a specific fixing structure of the input line 200 at the back of the back plate 110 in the LED panel lamp 100 according to an embodiment of the present invention, the LED panel lamp 100 may further include an input line 220, the input line 220 is fixed at the back of the back plate 110 and electrically connected to the lamp panel 130, and one end of the input line 220 is exposed out of the back plate 110. The input line 220 exposed out of the back plate 110 is arranged, so that the LED panel lamp 100 is conveniently and rapidly electrically connected with an external power supply.

In the embodiment shown in fig. 8, a plurality of hooks are disposed on the back panel 110 along the routing path of the input line 220, the input line 220 is fixed in the hooks, the input line 220 is electrically connected to the lamp panels 130 on two opposite sides of the back panel 110, and one end of the input line 220 is exposed out of the back panel 110.

Assembling steps of the LED panel lamp 100 of the embodiment shown in fig. 2:

sequentially bonding and connecting the light reflecting sheet 140, the light guide plate 150, the diffusion plate 160 and the light transmission plate 210 to form a four-piece set, and placing the four-piece set between the first raised strip 111 and the second raised strip 112 on the front surface of the back plate 110;

welding an input line 220 on the lamp panel 130, and inserting the lamp panel 130 welded with the input line 220 into the chute 122 of the frame 120;

the frame 120 is arranged on the back plate 110 and two opposite sides of the four-piece set, the two opposite sides of the four-piece set and the back plate 110 are clamped in the groove 121, and two ends of the frame 120 are in threaded connection with the back plate 110 through screws and screw holes;

covering the corresponding positions of the outer surfaces of the four-piece set with a first fixing plate 170, a second fixing plate 180 and a third fixing plate 190 respectively;

the first fixing plate 170 is firstly connected with the first protruding strip 111 of the back plate 110 by pressing the buckle from the front, and then screws are screwed in from the position corresponding to the first protruding strip 111 on the back surface of the back plate 110, so that the first fixing plate 170 is further connected with the back plate 110;

screws are screwed in from the positions corresponding to the second convex strips 112 on the back surface of the back plate 110, so that the second fixing plate 180 is connected with the back plate 110;

screws are screwed into the through holes on the back surface of the back plate 110 to be connected with the third fixing plate 190, and the third fixing plate 190 is fixed on the back plate 110;

finally, the input line 220 is fixed in the hook on the back of the back plate 110, and one end of the input line 220 is exposed out of the back plate 110.

The frame 120 fixes and protects two opposite sides of the four-piece set, the first fixing plate 170 and the second fixing plate 180 fix and protect two ends of the four-piece set, and the third fixing plate 190 fixes the middle of the four-piece set.

The embodiment of the utility model provides an on the other hand provides a refrigerator, and the refrigerator includes the LED panel light of any above-mentioned embodiment.

It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.

In the description of the embodiments of the present invention, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, a first feature may be directly contacting a second feature or indirectly contacting the first and second features through intervening media. Furthermore, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. An LED panel light, comprising: a back plate, a frame, a lamp panel, a reflecting sheet, a light guide plate and a diffusion plate,

2. The LED panel lamp of claim 1, wherein the outer edges of the light reflecting sheet, the light guide plate, and the diffusion plate are sealed and attached to each other.

3. The LED panel lamp of claim 1, wherein the bezel is a surface-oxidized aluminum profile.

4. The LED panel lamp of claim 1, further comprising a first fixing plate and a second fixing plate, wherein the first fixing plate is detachably connected to the first protrusion, the second fixing plate is detachably connected to the second protrusion, the first fixing plate covers an end of the diffusion plate away from the light guide plate, and the second fixing plate covers an end of the diffusion plate away from the light guide plate.

5. The LED panel light of claim 1, further comprising at least one third fixing plate covering the front surface of the diffuser plate, wherein the third fixing plate is detachably connected to the back plate.

6. The LED panel lamp of claim 5, wherein the back plate has a protruding frame at an end facing the reflector, the protruding frame includes an inner frame and an outer frame disposed outside the inner frame, the reflector, the light guide plate and the diffuser plate have respective first openings matching the outer frame, the outer frame has a height less than or equal to a total depth of the first openings, the inner frame has a height greater than the total depth of the first openings, the outer frame matches the first openings, the third fixing plate has a second opening matching the inner frame, and the inner frame matches the second opening.

7. The LED panel light of claim 6, further comprising a light-transmitting plate, wherein the light-transmitting plate is fixed on the surface of the diffusion plate away from the light guide plate, the light-transmitting plate is provided with the first opening, the light-transmitting plate and the diffusion plate are hermetically attached at the outer edge,

8. The LED panel light of claim 1, wherein a sliding groove is formed in the groove and away from the back plate, and the lamp panel is arranged in the sliding groove.

9. The LED panel lamp of claim 1, further comprising an input line fixed to the back plate away from the light guide plate and electrically connected to the lamp panel, wherein one end of the input line is exposed out of the back plate.

10. A refrigerator characterized by comprising the LED panel lamp of any one of claims 1 to 9.