CN206409957U - Lamp bar, backlight module and display - Google Patents

Abstract

The utility model provides a kind of lamp bar, the backlight module using the lamp bar and the display using the backlight module, lamp bar includes circuit board and on circuit board and the lamp bead and socket that are electrically connected, circuit board is in strip, on circuit board there is direction to extend the extension to be formed perpendicular to circuit board length direction, socket is installed on extension, socket is located at circuit board the same side with lamp bead, and extending part is in the side of lamp bead.Backlight module includes light guide plate and backboard, in addition to above-mentioned lamp bar, and lamp bar is located at backboard side, and light guide plate is above lamp bar.Display uses this backlight module to provide light source for viewing area.The lamp bar that the utility model is provided cause display to enter light sufficient and uniform, corner will not be produced and enter the not enough dark angle problem of light, the display quality of display is improved, individually socket is changed while this structure also facilitates, without whole lamp bar is disassembled.

Description

Lamp bar, backlight module and display

Technical field

The utility model belongs to display technology field, and in particular to a kind of lamp bar, using the backlight module of the lamp bar with And use the display of the backlight module.

Background technology

Backlight module is the important component of display, for providing light source when display works for display pannel, the back of the body The light that lamp bar in optical mode group is sent enters light guide plate from light guide plate side incidence surface, from light guide plate after reflection and diffusion Exiting surface is projected, then via optical diaphragm group, display pannel is supplied to form area source.Conventional lights in backlight module Bar, its lamp bead is on circuit board, two ends of the socket on circuit board, and is located at homonymy with lamp bead, therefore shared by socket According to corner lamp bead can not be set, while light guide plate also need to socket carry out keep away position, this can cause without enough light sources enter There is dark angle phenomenon in the viewing area of display, corresponding light weak-strong test.With the development of technology, display is designed to increasingly Thin, frame is also more and more narrow, therefore the space occupied by traditional lamp bar socket is relatively also bigger, causes the dark angle phenomenon of display It is more serious.

Utility model content

The purpose of this utility model is to provide a kind of lamp bar, it is intended to solves display corner and enters the problem of light is not enough.

To achieve the above object, the technical solution adopted in the utility model is：A kind of lamp bar is provided, including circuit board and On the circuit board and the lamp bead and socket that are electrically connected, the circuit board is in have on strip, the circuit board Have towards the extension to be formed is extended perpendicular to the circuit board length direction, the socket is installed on the extension, institute State socket and be located at described circuit board the same side with the lamp bead, and the extending part is in the side of the lamp bead.

Further, the extension is two, and is located at the two ends of the circuit board along its length respectively；It is described to insert Seat is two, is respectively arranged on two extensions.

Further, the lamp bead has multiple, is evenly distributed on the whole circuit board.

Further, the lamp bead is LED lamp bead, is welded on the circuit board.

Further, the circuit board uses double-layer PCB board.

The beneficial effect for the lamp bar that the utility model is provided is：Compared with prior art, the electricity of the utility model lamp bar Road plate is strip, and circuit board extends to form extension to perpendicular to circuit board length direction, and socket is arranged on extension, is inserted Seat is located at circuit board homonymy with lamp bead, so, lamp bead can also be set at circuit board two ends, socket is placed in whole lamp bar Outside, light guide plate need not carry out keeping away position to socket, so lamp bar enters light effect more preferably to display, will not produce corner and enter The not enough dark angle problem of light.Meanwhile, this structure also facilitates individually to be changed to socket, without whole lamp bar is dismantled Get off.

Another object of the present utility model is to provide a kind of backlight module, including light guide plate and backboard, in addition to above-mentioned Lamp bar, the lamp bar is located at the backboard side, and the light guide plate is above the lamp bar.

Further, opening is offered at the backboard correspondence socket, the socket is through the opening and exposes Outside the backboard.

Further, the light guide plate is rectangle and is covered in the whole lamp bar.

Compared with prior art, the lamp bar socket of the utility model backlight module is placed in the outside of whole lamp bar, light guide plate Position is kept away also without to socket progress, the light that lamp bar is sent can form uniform area source after light guide plate, will not produce The male character types in Chinese operas, usu. referring tov the bearded character falls into the not enough dark angle problem of light.

Another object of the present utility model is to provide a kind of display, including above-mentioned backlight module.

Compared with prior art, the lamp bar socket of the utility model display is extended to outside circuit board, so light guide plate It need not design and keep away bit architecture, the light that the lamp bead of the lamp bead in whole lamp bar including lamp bar two ends is sent can be from leading The incidence surface of tabula rasa enters, and enters display area by light guide plate formation area source so that display picture is uniform and will not go out Existing dark angle problem.

Brief description of the drawings

The structural representation for the lamp bar that Fig. 1 provides for the utility model embodiment；

The partial enlarged drawing that Fig. 2 is A in Fig. 1；

The partial structural diagram for the backlight module that Fig. 3 provides for the utility model embodiment；

The structural representation that Fig. 4 assembles for the lamp bar that the utility model embodiment is provided with light guide plate combination.

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It should be appreciated that specific reality described herein Example is applied only to explain the utility model, is not used to limit the utility model.

Also referring to Fig. 1 and Fig. 2, now the lamp bar 10 that the utility model is provided is illustrated.Lamp bar 10 includes circuit Plate 11, lamp bead 1212 and socket 13, lamp bead 12 are all disposed within circuit board 11 with socket 13 and are electrically connected with circuit board 11, insert Seat 13 is used to circuit board 11 connecting external power source, and electric energy is inputed to lamp bead 12 by circuit board 11 makes it light, the electricity of lamp bar 10 Road plate 11 towards vertical length direction in strip and with extending out to form extension 14, and socket 13 is arranged on extension On 14, socket 13 is located at the same side of circuit board 11 with lamp bead 12, and extending part is in the side of lamp bead.

Compared with prior art, the circuit board 11 of the utility model lamp bar 10 is strip, and circuit board 11 is to perpendicular to electricity The length direction of road plate 11 extends to form extension 14, and socket 13 is arranged on extension 14, and socket 13 is located at circuit with lamp bead 12 The homonymy of plate 11, so, lamp bead 12 can also be set at the two ends of circuit board 11, socket 13 is placed in the outside of whole lamp bar 10, Light guide plate 21 need not carry out keeping away position to socket 13, so lamp bar 10 enters light effect more preferably to display, will not produce corner Enter the not enough dark angle problem of light.Meanwhile, this structure also facilitates individually to be changed to socket 13, without by whole lamp bar 10 disassemble.

Further, referring to Fig. 2, in the present embodiment, the extension 14 on circuit board 11 is set to two, is located at respectively The two ends of circuit board 11 along its length, the corresponding socket 13 of lamp bar 10 is also provided with two, is separately mounted to two extensions 14 On, a socket 13 as current input terminal, another socket 13 as current input terminal so that lamp bar 10 with it is outer Portion's power supply one current loop of formation so that the lamp bead 12 in lamp bar 10 lights.

Further, referring to Fig. 2, in the present embodiment, lamp bead 12 sets multiple, it is ensured that there is enough light to enter display The viewing area of device, for effectively showing display picture, lamp bead 12 is evenly distributed in whole circuit board 11 in addition, including electricity The two ends of road plate 11 so that enter light uniformly and will not produce local dark and influence image quality.

Further, referring to Fig. 2, in the present embodiment, lamp bead 12 is LED lamp bead 12, is welded on circuit board 11 so that Lamp bead 12 can be stably mounted on circuit board 11.

Further, referring to Fig. 2, in the present embodiment, circuit board 11 uses double-layer PCB board, improve lamp bar 10 and connect up Mode, overcomes the problem of wiring of individual layer pcb board can not intersect, can not only meet the requirement of Discrete control lamp bead 12, make again The narrowed width of substrate.

The utility model also provides a kind of backlight module 20, referring to Fig. 3, backlight module 20 includes light guide plate 21 and backboard 22, in addition to above-mentioned lamp bar 10, lamp bar 10 is located at the side of backboard 22, and light guide plate 21 is located at the top of lamp bar 10.

Compared with prior art, the socket 13 of the lamp bar 10 of the utility model backlight module 20 is placed in the outer of whole lamp bar 10 Side, light guide plate 21 keeps away position also without to the progress of socket 13, and the light that lamp bar 10 is sent can be formed after light guide plate 21 Even area source, will not produce corner and enter the not enough dark angle problem of light.

Further, referring to Fig. 3, in the present embodiment, offering opening 23 at the respective socket 13 of backboard 22, socket 13 is worn Cross opening 23 and expose outside backboard 22, this structure that the extension 14 of circuit board 11 is stretched out to backboard 22, be conducive to saving and carry on the back The space of optical mode group 20 so that the structure of backlight module 20 is compacter, and for stretching out the socket 13, Ke Yidan outside backboard 22 Solely it carry out demolition and replacement, more facilitates.

Further, referring to Fig. 3, in the present embodiment, light guide plate 21 is rectangle and is covered in whole lamp bar 10, due to The socket 13 of lamp bar 10 is extended to outside circuit board 11, so light guide plate 21 is kept away in bit architecture, whole lamp bar 10 also without design The light that is sent of lamp bead 12 of lamp bead 12 including the two ends of lamp bar 10 can enter from the incidence surface of light guide plate 21, pass through The formation area source of light guide plate 21 enters display area so that display picture is uniform and is not in dark angle problem.

The utility model also provides a kind of display, referring to Fig. 4, display includes above-mentioned backlight module 20, it is and existing Technology is compared, and the backlight module 20 in the utility model display can provide uniform brightness enough light sources, and aobvious Sufficient and uniform light source can also be provided by showing the corner of device, improve the quality of display, be not in that the dark angle of display shows As.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (9)

1. lamp bar, including circuit board and on the circuit board and the lamp bead and socket that are electrically connected, its feature exists In：The circuit board is on strip, the circuit board there is direction to extend what is formed perpendicular to the circuit board length direction Extension, the socket is installed on the extension, and the socket is located at described circuit board the same side, and institute with the lamp bead Extending part is stated in the side of the lamp bead.

2. lamp bar as claimed in claim 1, it is characterised in that：The extension is two, and is located at the circuit board respectively Two ends along its length；The socket is two, is respectively arranged on two extensions.

3. lamp bar as claimed in claim 1, it is characterised in that：The lamp bead has multiple, is evenly distributed on the whole circuit On plate.

4. lamp bar as claimed in claim 1, it is characterised in that：The lamp bead is LED lamp bead, is welded on the circuit board.

5. lamp bar as claimed in claim 1, it is characterised in that：The circuit board uses double-layer PCB board.

6. backlight module, including light guide plate and backboard, it is characterised in that：Also include the lamp as described in claim any one of 1-5 Bar, the lamp bar is located at the backboard side, and the light guide plate is above the lamp bar.

7. backlight module as claimed in claim 6, it is characterised in that：Opening is offered at the backboard correspondence socket, The socket is through the opening and exposes outside the backboard.

8. backlight module as claimed in claim 6, it is characterised in that：The light guide plate is rectangle and is covered in the whole lamp On bar.

9. display, it is characterised in that：Including the backlight module as described in claim any one of 6-8.