CN216563599U - Backlight assembly and display - Google Patents

Abstract

The application provides a backlight assembly, including: the lamp strip is arranged on the back plate, the circuit board is arranged on the back plate and is used for connecting an external power supply, and the lamp strip is connected with the circuit board through the connecting assembly; the connecting assembly comprises a first connector arranged on the lamp strip and a second connector arranged on the circuit board; the first connector is provided with a conductive inserting sheet, the second connector is provided with an inserting groove matched with the conductive inserting sheet, or the second connector is provided with a conductive inserting sheet, the first connector is provided with an inserting groove matched with the conductive inserting sheet, and the inserting groove is internally provided with at least two conductive elastic sheets which are oppositely arranged; the conductive inserting sheet is inserted in the inserting groove, and at least two conductive elastic sheets which are oppositely arranged are elastically abutted against two sides of the conductive inserting sheet. A display includes a backlight assembly. Manpower resources can be saved, the production process is easy to realize automation, and the production efficiency is improved.

Description

Backlight assembly and display

Technical Field

The present application relates to a display technology, and more particularly, to a backlight assembly and a display.

Background

A backlight assembly generally refers to a light source structure that provides a light source for a display. In a conventional backlight assembly, generally, a lamp strip line is led out from a power supply, and a male seat on the lamp strip line and a female seat on the lamp strip are connected in a one-to-one correspondence manner, so that the power supply can supply power for the illumination work of the lamp strip.

Based on the demonstration requirement of display, backlight unit generally sets up a plurality of lamp strips, so make required lamp strip line quantity also more, and then cause the structure that a plurality of lamp strip lines are constituteed comparatively complicated, thus, when assembling backlight unit, need the manual work to put every lamp strip earlier, then arrange in order lamp strip line, paste lamp strip line with the sticky tape, female seat on every lamp strip and the public seat one-to-one on the lamp strip line link together again, and be connected power supply terminal on the lamp strip line with the power, so set up, make backlight unit's assembling process very loaded down with trivial details and automation equipment can't realize the arrangement to lamp strip line, thereby cause the production efficiency of display to receive the influence.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a backlight assembly and a display, so as to solve the technical problems existing in the prior art that the assembly operation of the backlight assembly is complicated and automation cannot be realized.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a backlight assembly including:

a back plate;

the light bar is arranged on the back plate;

the circuit board is arranged on the back plate and is used for connecting an external power supply;

the connecting assembly comprises a first connector arranged on the lamp strip and a second connector arranged on the circuit board; one of the first connector and the second connector is provided with a conductive insert, the other connector is provided with an insertion groove matched with the conductive insert, and at least two conductive elastic sheets which are oppositely arranged are arranged in the insertion groove; the conductive inserting sheet is inserted in the inserting groove, and at least two conductive elastic sheets which are oppositely arranged elastically abut against two sides of the conductive inserting sheet.

Optionally, the conductive elastic sheet comprises a connecting portion and an elastic portion, the connecting portion is fixed in the insertion groove, the elastic portion is connected with the connecting portion in a bending mode, and the elastic portion can elastically move relative to the connecting portion.

Optionally, the conductive elastic sheet is provided with convex portions, the convex portions of the two conductive elastic sheets protrude in opposite directions, and the conductive insertion sheet is elastically abutted between the two convex portions.

Optionally, the convex portions are provided with a first guide surface for the conductive tab to be inserted between the two convex portions.

Optionally, the conductive insert is provided with a second guide surface for the conductive insert to be inserted between the two conductive elastic pieces.

Optionally, the first connector is provided with a first limiting part, and the second connector is provided with a second limiting part; when the conductive inserting sheet is inserted between two connected conductive elastic sheets, the first limiting part and the second limiting part are oppositely abutted.

Optionally, a power socket is arranged on the circuit board; the power socket and the second connector are respectively arranged on two opposite sides of the circuit board.

Optionally, the back plate is provided with a through hole, and the power supply seat is accommodated in the through hole.

Optionally, a plurality of second connectors are respectively arranged on two sides of the circuit board in the width direction, and the plurality of second connectors on one side of the circuit board in the width direction are distributed at intervals in the length direction of the circuit board; the first connector with the lamp strip all sets up to a plurality ofly, and is a plurality of first connector one-to-one locates a plurality of on the lamp strip, and the one-to-one connects in a plurality of the second connector.

The embodiment also provides a display comprising the backlight assembly.

The backlight assembly provided by the application has the beneficial effects that: through circuit board replacement lamp strip line, can couple together many lamp strips equally through the circuit board to lamp strip line power supply compares, only needs to install the circuit board on the backplate, then inserts the lamp strip through manipulator centre gripping lamp strip and establish on the circuit board, can practice thrift manpower resources, so sets up, and the production process easily realizes automaticly, can improve production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front view of a backlight assembly provided in an embodiment of the present application;

fig. 2 is a schematic perspective view of a second connector of a backlight assembly according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a first connector of a backlight assembly according to an embodiment of the present disclosure;

fig. 4 is a schematic perspective view of a conductive elastic sheet of a backlight assembly according to an embodiment of the present disclosure;

fig. 5 is a front view of a circuit board of a backlight assembly provided in an embodiment of the present application;

fig. 6 is a rear view of a circuit board of a backlight assembly according to an embodiment of the present application;

fig. 7 is a rear view of a backlight assembly provided in an embodiment of the present application;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

fig. 9 is a schematic view of a light bar structure of a backlight assembly according to an embodiment of the present disclosure.

Wherein, in the figures, the respective reference numerals:

1-a back plate; 11-a through hole;

2-a light bar;

3-a circuit board; 31-a power supply seat;

4-a connecting assembly; 41-a first connector; 411-a conductive insert; 4111-a second guide face; 412-a first stop; 42-a second connector; 421-inserting groove; 422-conductive elastic sheet; 4221-linker; 4222-an elastic part; 4223-a convex part; 4224-a first guide surface; 423-second limiting part.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Among the present straight following formula backlight unit, when the equipment, put every lamp strip through the manual work earlier, then arrange in order the lamp strip line, paste the lamp strip line to the backplate on with the sticky tape, so set up, can't carry out automatic arrangement to the lamp strip line through the manipulator, hardly paste the lamp strip line through the manipulator simultaneously, the lamp strip line is connected with the backplate through the mode of pasting, connection stability is relatively poor to production efficiency is lower.

Based on this, embodiments of the present invention provide a backlight assembly and a display, in which a light bar line for supplying power to a light bar in an original backlight assembly is set as a circuit board, and the light bar is connected to the circuit board in an inserting manner, so that the backlight assembly provided in the embodiments of the present application is easily assembled by an automation device.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a front view of a backlight assembly according to an embodiment of the present disclosure, and fig. 2 is a schematic perspective view of a second connector of the backlight assembly according to the embodiment of the present disclosure; fig. 3 is a schematic perspective view of a first connector of a backlight assembly according to an embodiment of the present disclosure.

As shown in fig. 1, 2 and 3, in an embodiment of the present invention, there is provided a backlight assembly including: the LED lamp comprises a back plate 1, a lamp strip 2, a circuit board 3 and a connecting assembly 4, wherein the lamp strip 2 is installed on the back plate 1, the circuit board 3 is installed on the back plate 1 and used for being connected with an external power supply, and the lamp strip 2 is connected with the circuit board 3 through the connecting assembly 4; the connecting assembly 4 comprises a first connector 41 arranged on the light bar 2 and a second connector 42 arranged on the circuit board 3; wherein the first connector 41 is provided with a conductive insertion sheet 411, the second connector 42 is provided with an insertion groove 421 matched with the conductive insertion sheet 411, or the second connector 42 is provided with a conductive insertion sheet 411, the first connector 41 is provided with an insertion groove 421 matched with the conductive insertion sheet 411 (only the structure that the conductive insertion sheet 411 is arranged on the first connector 41 is shown in the drawing, the structure that the conductive insertion sheet 411 is arranged on the second connector 42 is not shown in the drawing), and at least two conductive elastic sheets 422 which are oppositely arranged are arranged in the insertion groove 421; the conductive insertion piece 411 is inserted into the insertion groove 421, and at least two conductive elastic pieces 422 arranged oppositely elastically abut against two sides of the conductive insertion piece 411.

Specifically, when assembling the backlight assembly, the circuit board 3 is fixedly mounted on the back plate 1 through bolts, then the light bar 2 and the circuit board 3 are automatically assembled by grabbing the light bar 2 and the circuit board 3 through the manipulator, the ccd camera captures the position information of the first connector 41 on the light bar 2 and the second connector 42 on the circuit board 3, and feeds the information back to the external processor, the manipulator is controlled by the external processor to perform alignment, then the light bar 2 is grabbed and inserted at the target position on the circuit board 3, so that the first connector 41 is aligned with the second connector 42, the circuit board 3 is electrically connected with the external power supply, the power supply can be transmitted to the light bar 2 through the connecting assembly 4 to supply power to the light bar 2, when the conductive insertion sheet 411 is arranged on the first connector 41, the insertion groove 421 is arranged on the second connector 42, in the process of aligning and mounting the first connector 41 and the second connector 42, the conductive insert 411 on the first connector 41 is aligned with the insertion slot 421 of the second connector 42, and the first connector 41 and the second connector 42 can be inserted by matching the conductive insert 411 with the insertion slot 421; when the conductive insert 411 is disposed on the second connector 42, the inserting groove 421 is disposed on the first connector 41, during the alignment and installation of the first connector 41 and the second connector 42, the conductive tabs 411 on the second connector 42 are aligned with the insertion slots 421 of the first connector 41, through the matching of the conductive inserting sheet 411 and the inserting groove 421, the first connector 41 and the second connector 42 can be inserted, the conductive inserting sheet 411 is inserted between two conductive elastic sheets 422 in the inserting groove 421, the conductive elastic sheets 422 are arranged at two sides of the conductive inserting sheet 411, the two conductive elastic sheets 422 are abutted with the conductive inserting sheet 411 to clamp the conductive inserting sheet 411 between the two conductive inserting sheets 411, the conductive inserting sheet 411 is electrically connected with the conductive elastic sheets 422 through abutting contact, thereby, the first connector 41 and the second connector 42 are electrically connected to each other, and the first connector and the second connector are used for transmitting the electric energy of the external power source to the light bar 2.

Compared with the prior art, the backlight assembly provided by the application has the advantages that the circuit board 3 replaces the lamp strip lines, the circuit board 3 can also connect the plurality of lamp strips 2 and supply power to the lamp strips 2, the circuit board 3 is only required to be installed on the back plate 1 through bolts compared with the lamp strip lines, and then the lamp strips 2 are inserted on the circuit board 3 through the manipulator clamping the lamp strips 2, so that the manpower resource can be saved; two electrically conductive shell fragment 422 can carry out the centre gripping to electrically conductive inserted sheet 411, so set up, can make first connector 41 be connected more firmly reliable with second connector 42, and then improved the stability of being connected between lamp strip 2 and the circuit board 3, be difficult for droing.

Alternatively, two conductive tabs 411 and two insertion slots 421 are provided. Specifically, the circuit can form a complete loop, and the normal operation of the lamp strip 2 is guaranteed.

Referring to fig. 4, fig. 4 is a schematic perspective view of a conductive elastic piece of a backlight assembly according to an embodiment of the present disclosure.

In another embodiment of the present application, referring to fig. 4, the conductive elastic piece 422 includes a connection portion 4221 and an elastic portion 4222, the connection portion 4221 is fixed in the insertion groove 421, the elastic portion 4222 is connected with the connection portion 4221 by bending, and the elastic portion 4222 can elastically move relative to the connection portion 4221.

With such an arrangement, the elastic portion 4222 is connected with the body portion (not numbered) of the second connector 42 through the connection portion 4221, the elastic portion 4222 and the connection portion 4221 can be prevented from being in the same plane through bending connection, the connection portion 4222 and the connection portion 4221 can be prevented from interfering with the conductive insert 411 in the process of inserting the conductive insert 411 into the space between the two conductive elastic pieces 422, the conductive insert 411 and the conductive elastic pieces 422 can be conveniently aligned, the elastic portion 4222 can elastically move relative to the connection portion 4221, the elastic portion 4222 can elastically deform in the process of inserting the conductive insert 411 into the space between the two conductive elastic pieces 422, the conductive insert 411 can be conveniently inserted into the space between the two conductive elastic pieces 422, and an elastic force can be applied to the conductive insert 411 after the conductive insert 411 is inserted, the conductive insert 411 can be clamped, and the conductive insert 411 can be prevented from falling out of the two conductive elastic pieces 422, can improve the stability of connecting, realize electric connection through electrically conductive inserted sheet 411 and electrically conductive shell fragment 422 simultaneously.

In another embodiment of the present application, please refer to fig. 4, each conductive elastic piece 422 is provided with a protrusion 4223, two protrusions 4223 protrude oppositely, and the conductive inserting piece 411 elastically abuts between two protrusions 4223.

Through the arrangement, the gap between the two conductive elastic pieces 422 can be reduced through the convex part 4223, so that the distance between the two conductive elastic pieces 422 is reduced, through mechanical analysis, the pressure applied to the conductive insertion piece 411 by the conductive elastic pieces 422 can be increased, and further the friction force between the convex part 4223 and the conductive insertion piece 411 can be increased, so that the conductive insertion piece 411 is not easy to fall off from the two conductive elastic pieces 422, and the connection stability is improved; meanwhile, the conductive insert 411, the conductive elastic piece 422 and the protrusion 4223 are made of metal materials, and by using the metal materials with excellent elastic properties, when the target position of the light bar 2 mounted on the circuit board 3 is grabbed by a manipulator and a ccd camera, even if the alignment between the first connector 41 and the second connector 42 is inaccurate, the first connector 41 on the light bar 2 can compensate for the distance difference caused by the alignment inaccuracy by using the excellent elastic properties of the conductive insert 411 and the conductive elastic piece 422 on the second connector 42 and the protrusion 4223, so that the first connector 41 and the second connector 42 can be accurately plugged, the accuracy of the first connector 41 and the second connector 42 in the automatic assembly process can be improved, the protrusion 4223 protrudes from the elastic part 4222, the surface of the protrusion 4223 is smooth, and the first connector 41 can be plugged into the second connector 42 in the alignment process, the conductive insert 411 on the first connector 41 plays a role in guiding, so that the conductive insert 411 can be conveniently inserted into the two conductive elastic pieces 422, and the production efficiency can be improved.

In another embodiment of the present application, referring to fig. 4, the protrusions 4223 are provided with a first guiding surface 4224 for the conductive insert 411 to be inserted between the two protrusions 4223. Specifically, the first guide surface 4224 is disposed on a side of the protruding portion 4223 facing the conductive tab 411 in the plugging direction of the conductive tab 411 and the conductive elastic piece 422.

With such an arrangement, by providing the first guide surface 4224 on the convex portion 4223, in the process of aligning and plugging the first connector 41 into the second connector 42, the conductive insert 411 on the first connector 41 can be guided, so that the conductive insert 411 can be conveniently inserted between two convex portions 4223 which are oppositely arranged, and the first guide surface 4224 is an inclined surface or a convex cambered surface, so as to facilitate plugging.

In another embodiment of the present application, referring to fig. 3, the conductive insert 411 has a second guiding surface 4111.

So set up, through set up second guide face 4111 on the one end of electrically conductive inserted sheet 411 towards convex part 4223, can be at the in-process of first connector 41 counterpoint plug-in to second connector 42, play the effect of direction to electrically conductive inserted sheet 411 on first connector 41, be convenient for electrically conductive inserted sheet 411 inserts between two convex parts 4223 that set up in opposite directions, second guide face 4111 is the cambered surface of inclined plane or evagination, is convenient for peg graft.

In another embodiment of the present application, please refer to fig. 2 and fig. 3, the first connector 41 has a first position-limiting portion 412, and the second connector 42 has a second position-limiting portion 423; when the conductive insertion piece 411 is inserted between two opposite conductive elastic pieces 422, the first limiting portion 412 and the second limiting portion 423 are oppositely abutted. Specifically, in the process of inserting the first connector 41 to the second connector 42, the first position-limiting portion 412 and the second position-limiting portion 423 can be used as a distance standard in the inserting process, and when the first position-limiting portion 412 on the first connector 41 abuts against the second position-limiting portion 423 on the second connector 42, the manipulator stops the inserting operation.

So set up, can be at first connector 41 to the in-process of pegging graft to second connector 42, prevent through first spacing portion 412 and the spacing portion 423 of second that the depth of grafting of conductive insertion sheet 411 is too deep to damage conductive insertion sheet 411 and second connector 42.

Referring to fig. 5 and 6, fig. 5 is a front view of a circuit board of a backlight assembly according to an embodiment of the present disclosure; fig. 6 is a rear view of a circuit board of a backlight assembly according to an embodiment of the present disclosure.

In another embodiment of the present application, referring to fig. 5 and fig. 6, a power socket 31 is disposed on the circuit board 3; the power supply socket 31 and the second connector 42 are respectively provided on opposite sides of the circuit board 3.

With this arrangement, the power supply socket 31 and the second connector 42 can be located in different side faces on the circuit board 3, and the power supply socket 31 and the second connector 42 are prevented from interfering with each other.

Referring to fig. 7 and 8, fig. 7 is a rear view of a backlight assembly according to an embodiment of the present disclosure; fig. 8 is a partial enlarged view at a in fig. 7.

In another embodiment of the present application, referring to fig. 7, 8 and 9, the back plate 1 is provided with a through hole 11, and the power socket 31 is accommodated in the through hole 11.

So set up, can follow 11 departments of through-hole on backplate 1 and couple together power socket 31 and external power source and for the power supply of lamp strip 2, can install circuit board 3 at the in-process of backplate 1 simultaneously, the circuit board 3 of being convenient for carries out the counterpoint installation, and then improves production efficiency.

Referring to fig. 9, fig. 9 is a schematic view illustrating a light bar structure of a backlight assembly according to an embodiment of the present disclosure.

In another embodiment of the present application, please refer to fig. 5, fig. 6 and fig. 9, two sides of the circuit board 3 along the width direction are respectively provided with a plurality of second connectors 42, and the plurality of second connectors 42 located at one side of the circuit board 3 along the width direction are distributed at intervals along the length direction of the circuit board 3; first connector 41 and lamp strip 2 all set up to a plurality ofly, and a plurality of first connectors 41 one-to-one is located on a plurality of lamp strips 2, and the one-to-one is connected in a plurality of first connectors 41. Specifically, the plurality of second connectors 42 on the circuit board 3 are symmetrically arranged on two sides of the circuit board 3 and are uniformly spaced, and then the light bar 2 and the circuit board 3 are connected through the first connector 41 and the second connectors 42.

So set up, through the symmetrical arrangement of second connector 42 for a plurality of lamp strips 2 can be on circuit board 3 symmetrical arrangement and even interval distribution in circuit board 3's both sides, can make lamp strip 2 luminous even, guarantee that the image shows normally.

The present application also provides a display including a backlight assembly. Specifically, the backlight assembly is the same as that in the above-described embodiment.

So set up, at the in-process of production display, the display easily realizes automated production through automation equipment, has practiced thrift manpower resources, has improved the production efficiency of display to be convenient for subsequent maintenance.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A backlight assembly, comprising:

a back plate (1);

the light bar (2) is arranged on the back plate (1);

the circuit board (3) is arranged on the back plate (1) and is used for connecting an external power supply;

the connecting assembly (4) comprises a first connector (41) arranged on the lamp strip (2) and a second connector (42) arranged on the circuit board (3); one of the first connector (41) and the second connector (42) is provided with a conductive insertion sheet (411), the other one is provided with an insertion groove (421) matched with the conductive insertion sheet (411), and at least two conductive elastic sheets (422) which are oppositely arranged are arranged in the insertion groove (421); the conductive inserting sheet (411) is inserted into the inserting groove (421), and at least two conductive elastic sheets (422) which are oppositely arranged elastically abut against two sides of the conductive inserting sheet (411).

2. The backlight assembly of claim 1, wherein: the conductive elastic sheet (422) comprises a connecting portion (4221) and an elastic portion (4222), the connecting portion (4221) is fixed in the inserting groove (421), the elastic portion (4222) is connected with the connecting portion (4221) in a bending mode, and the elastic portion (4222) can elastically move relative to the connecting portion (4221).

3. The backlight assembly of claim 1, wherein: the conductive elastic piece (422) is provided with convex parts (4223), the convex parts (4223) of the two conductive elastic pieces (422) protrude in opposite directions, and the conductive inserting piece (411) is elastically abutted between the two convex parts (4223).

4. The backlight assembly of claim 3, wherein: the convex parts (4223) are provided with first guide surfaces (4224) for the conductive insert (411) to be inserted between the two convex parts (4223).

5. The backlight assembly of claim 1, wherein: electrically conductive inserted sheet (411) is equipped with the confession electrically conductive inserted sheet (411) peg graft to two second guide face (4111) between electrically conductive shell fragment (422).

6. The backlight assembly of any of claims 1-5, wherein: the first connector (41) is provided with a first limiting part (412), and the second connector (42) is provided with a second limiting part (423); when the conductive inserting sheet (411) is inserted between two connected conductive elastic sheets (422), the first limiting part (412) and the second limiting part (423) are oppositely abutted.

7. The backlight assembly of any of claims 1-5, wherein: a power supply seat (31) is arranged on the circuit board (3); the power supply seat (31) and the second connector (42) are respectively arranged on two opposite sides of the circuit board (3).

8. The backlight assembly of claim 7, wherein: the backboard (1) is provided with a through hole (11), and the power supply seat (31) is contained in the through hole (11).

9. The backlight assembly of any of claims 1-5, wherein: the two sides of the circuit board (3) in the width direction are respectively provided with a plurality of second connectors (42), and the second connectors (42) on one side of the circuit board (3) in the width direction are distributed at intervals in the length direction of the circuit board (3); the first connectors (41) and the lamp strips (2) are all arranged in a plurality of numbers, the first connectors (41) are arranged on the lamp strips (2) in a one-to-one correspondence mode, and the first connectors (41) are connected to the second connectors (42) in a one-to-one correspondence mode.

10. A display, characterized by: comprising the backlight assembly as claimed in any one of claims 1 to 9.

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