CN207148484U - A kind of backlight luminescence component and backlight module - Google Patents

Abstract

The utility model provides a kind of backlight luminescence component, including PCB, the electronic component and at least two that is electrically connected on PCB are plugged in the PIN needle on PCB and being welded and fixed；The PCB is provided with the PIN holes being correspondingly arranged with PIN needle and pad, and the PIN needle includes the PIN caps that may pass through the PIN bodies in PIN holes, be more than PIN holes with the PIN heads of PIN holes interference fit and size；The size of the pad is more than the size of the PIN caps；Standby via hole is additionally provided with the PCB.The PIN heads and setting PIN caps that backlight provided by the utility model is connected with luminescence component and backlight module by setting with the PIN holes interference on PCB effectively prevent PIN needle from occurring crooked and coming off, and improve product quality.In addition, by provided with standby via hole, realizing that mulitpath realizes the turn-on effect of interlayer above and below PCB, improving product yield, the distance for also defining standby light-conductive hole and PIN holes allows standby via hole to discharge PIN and stress caused by PCB grafting.

Description

A kind of backlight luminescence component and backlight module

Technical field

Display technology field is the utility model is related to, more particularly to a kind of backlight luminescence component and backlight mould Group.

Background technology

Liquid crystal display die set has the advantages that frivolous, energy consumption is small, radiationless and be widely used in a variety of display devices, liquid Display panel in brilliant display module belongs to passive display device, it is therefore desirable to backlight module is set, to provide light by showing Panel reflects display picture.Emitted beam in backlight module using luminescence component, luminescence component generally comprises PCB, electricity The electronic component that is connected on PCB and it is plugged in the PIN needle on PCB and being welded and fixed.Existing luminescence component assembling when, It occur frequently that PIN needle is crooked and the problem of come off, so as to influence the further assembling of luminescence component, product yield is reduced.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of backlight luminescence component and backlight module, and it can be with By setting the PIN needle being connected with the PIN holes interference on PCB to realize that PIN is fixed on PCB, do not occurred crooked and came off, together When by setting PIN caps and being welded and fixed further effectively reduce the risk that comes off of PIN needle, improve product quality.

In order to solve the above technical problems, the utility model provides a kind of backlight luminescence component, including PCB, electrical connection The PIN needle on PCB and being welded and fixed is plugged in the electronic component on PCB and at least two；The PCB is provided with and PIN The PIN holes and pad that pin is correspondingly arranged, the PIN needle include may pass through the PIN bodies in PIN holes, the PIN with PIN holes interference fit Head and size are more than the PIN caps in PIN holes；The size of the pad is more than the size of the PIN caps；It is additionally provided with the PCB standby Use via hole.

As a kind of preferred scheme of the present utility model, the size of the pad is more than the size 0.5mm of the PIN caps.

As a kind of preferred scheme of the present utility model, the standby via hole and the distance in the PIN holes are 0.2- 0.8mm。

As a kind of preferred scheme of the present utility model, the PIN needle cross sectional shape is circle.

As a kind of preferred scheme of the present utility model, the quantity of the PIN needle is two.

As a kind of preferred scheme of the present utility model, the PIN needle is made of copper product.

As a kind of preferred scheme of the present utility model, the PIN bodies of the PIN needle are provided with a buffering bending.

Further, there is provided a kind of backlight module, including the backlight luminescence component described in any of the above item.

The utility model has following technique effect：Backlight luminescence component and backlight module provided by the utility model lead to Cross and the PIN heads being connected with the PIN holes interference on PCB are set and set PIN caps effectively to prevent PIN needle from occurring crooked and coming off, carry High yield quality.In addition, by provided with standby via hole, realizing that mulitpath realizes the turn-on effect of interlayer above and below PCB, improving Product yield, the distance for also defining standby light-conductive hole and PIN holes standby via hole to discharge PIN and PCB to insert Connect caused stress；By on PIN bodies set buffering bending can more preferable PCB, improve product quality, can also protect PIN needle and PCB grafting and welding effect, it will not be influenceed and be destroyed by external force easily.

Brief description of the drawings

Fig. 1 is a kind of floor map of backlight luminescence component provided by the utility model；

Fig. 2 is a kind of PCB structural representation provided by the utility model；

Fig. 3 is a kind of structural representation of PIN needle provided by the utility model；

Fig. 4 is a kind of arrangement schematic diagram of standby via hole provided by the utility model；

Fig. 5 is a kind of structural representation for buffering bending provided by the utility model.

Embodiment

To make the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings to the utility model Embodiment is described in further detail.

As shown in figure 1, which show a kind of structural representation of backlight luminescence component provided by the utility model.The back of the body Light luminescence component includes PCB1, the electronic component 2 and at least two being electrically connected on PCB1 is plugged on PCB1 and welded Fixed PIN needle 3；In the present embodiment, the PIN needle 3 is made of copper product, and quantity is two, certainly as needed It is also feasible to be made PIN needle using other metal materials and set more PIN needles；The cross sectional shape of PIN needle 3 is circle Shape, it is certainly for example square and feasible using other cross sectional shapes；The PIN needle 3 can be used for PCB1 and external part such as Power supply board or driving plate are electrically connected with, and realize the function of powering and drive to PCB1.

Specifically, as Figure 2-3, the PCB1 is provided with the PIN holes 11 being correspondingly arranged with PIN needle 3 and pad 12, institute State PIN needle 3 and be more than PIN holes including may pass through the PIN bodies 31, the PIN being connected with the interference of PIN holes 11 first 32 and size in PIN holes 11 11 PIN caps 33；12 sizes of the pad are more than the size of the PIN caps 33.So, assembled by PIN needle 3 and PCB1 When, PIN bodies 31 are passed through into the PIN holes 11 on the PCB1 first, then PIN first 32 is pressed into the PIN holes 11, due to PIN first 32 is interference fit with PIN holes 11, i.e. PIN first 32 diameter is more than the diameter in PIN holes 11, therefore PIN first 32 after compression It is in close contact with PIN holes 11, also due to PIN holes 11 can be movable for PIN first 32 without unnecessary space during interference fit, therefore The fixation and positioning to PIN needle 3 are also achieved, ensure that PIN needle 3 will not occur crooked and come off after loading PCB1, avoid PIN Pin occurs crooked bad in grafting, effectively saves the activity time of later stage righting PIN needle.Simultaneously as PIN needle 3 is also It is more than the PIN caps 33 in PIN holes 11 provided with size, PIN caps 33 after the first 32 press-in PCB1 of PIN closely can be fastened on PCB1, no Can be through PCB1, so as to also can effectively prevent coming off for PIN needle 3, moreover it is possible to which work that is spacing and being oriented to is played in the installation to PIN needle 3 With, can effectively determine whether PIN needle 3 is installed in place, improve installation effectiveness.Further, the size of the pad 12 is more than The size of the PIN caps 33, PIN caps 33 and pad 12 can be welded and fixed by being just installed with space when so welding, so as to drop Low welding difficulty, improve welding efficiency.In the present embodiment, the size of the pad 12 is more than the size of the PIN caps 33 0.5mm.So, on the one hand convenient welding, on the one hand also will not be because of the excessive waste PCB1 of pad 12 space.Further, Standby via hole 13 is additionally provided with the PCB1, by setting standby via hole 13 to realize that mulitpath is realized above and below PCB1 The turn-on effect of interlayer, PIN holes 11 are avoided to cause due to the layers of copper being interference fitted in damage PIN holes 11 with PIN first 32 PCB1 levels lose guiding path and occurred bad, so as to improve the stability in use of product, improve yields.

Further, as shown in figure 4, in the present embodiment, the standby via hole 13 and the distance D in the PIN holes 11 For 0.2-0.8mm.So, when by PIN needle 3 and PCB1 grafting, the annex in PIN holes 11 is provided with standby via hole 13, standby It can give stress caused by PCB1 due to being interference fitted when being pressed into PCB1 the PIN of PIN needle 3 first 32 in time with via hole 13 With release, so as to preferably protect PCB1, the installation of electronic component 2 is not interfered with, improves product quality yet.

Further, as shown in figure 5, the PIN bodies 31 of the PIN needle 3 are provided with a buffering bending 311, the buffering folding Curved 311 can PIN bodies 31 through PCB1 PIN holes 11 after again bending formed.After buffering bending 311, bending is buffered 311 have the function that bumper and absorbing shock, and because PIN needle 1 is used to be connected with external part, the power passed over by external part can make Bending must be buffered to deform, so on the one hand can avoid directly transferring force on PCB1, PCB1 can be protected, improved Product quality, grafting and the welding effect of PIN needle 3 and PCB1 on the one hand can also be protected, will not be influenceed and broken by external force easily It is bad.In the present embodiment, a kind of backlight module, including the backlight luminescence component described in any of the above item are also provided.

Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously Therefore the limitation to the utility model patent scope can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute The technical scheme of acquisition, it all should fall within the scope of protection of the utility model.

Claims (8)

1. a kind of backlight luminescence component, it is characterised in that including PCB, the electronic component being electrically connected on PCB and at least two It is plugged in the PIN needle on PCB and being welded and fixed；The PCB is provided with the PIN holes being correspondingly arranged with PIN needle and pad, described PIN needle includes the PIN caps that may pass through the PIN bodies in PIN holes, be more than PIN holes with the PIN heads of PIN holes interference fit and size；It is described The size of pad is more than the size of the PIN caps；Standby via hole is additionally provided with the PCB.

2. backlight luminescence component according to claim 1, it is characterised in that the size of the pad is more than the PIN The size 0.5mm of cap.

3. backlight luminescence component according to claim 1, it is characterised in that the standby via hole and the PIN holes Distance be 0.2-0.8mm.

4. backlight luminescence component according to claim 1, it is characterised in that the PIN needle cross sectional shape is circle.

5. backlight luminescence component according to claim 1, it is characterised in that the quantity of the PIN needle is two.

6. backlight luminescence component according to claim 1, it is characterised in that the PIN needle is made of copper product.

7. backlight luminescence component according to claim 1, it is characterised in that the PIN bodies of the PIN needle are provided with buffering Bending.

8. a kind of backlight module, it is characterised in that including the backlight luminescence component described in claim any one of 1-7.