CN211698265U

CN211698265U - Increase FPC light guide plate structure of high activation rate of lamp strip ability of pasting

Info

Publication number: CN211698265U
Application number: CN202020444701.5U
Authority: CN
Inventors: 周剑平
Original assignee: Dongguan Pingyang Electronics Co ltd
Current assignee: Dongguan Pingyang Electronics Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-16
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses an increase FPC light guide plate structure of high activation rate of lamp strip sticking ability, including light guide plate, flexible circuit board, PP transparent thin slice, magnetic rubber thin slice and grooving, the bottom is equipped with the voussoir in the light guide plate, voussoir one side is pasted and is had flexible circuit board, the voussoir bottom is inlayed and is established the LED lamp strip of having arranged, the positive negative pole of LED lamp strip is connected through the soldering with flexible circuit board's electrode tip, the grooving that corresponds with the protruding end in voussoir bottom is seted up to flexible circuit board top one side. The front surface of the flexible circuit board is enabled to cover the internal stress of the film, the height transition limit of the sticking joint of the wedge block and the flexible circuit board is effectively avoided, the phenomenon that the flexible circuit board is bent and stressed and can rebound can be reduced, the sticking effect of the wedge block of the flexible circuit board and the light guide plate is better, cracking cannot occur in advance due to long service life, and the phenomenon that light beams are emitted outwards due to floating of the LED light bars is avoided.

Description

Increase FPC light guide plate structure of high activation rate of lamp strip ability of pasting

Technical Field

The utility model relates to a LED lamp technical field, in particular to increase FPC light guide plate structure of high activation rate of lamp strip pasting ability.

Background

Along with the requirement of consumers on the display taste is higher and higher, the cost is reduced synchronously, the difficulty of the design quality of the backlight source is increased, if the product has unfavorable defects such as headlights and the like according to the old design concept, the product is not poor in floating due to strong initial adhesion of adhesive tapes in a short period after being assembled, but the light source is exposed due to the fact that the internal stress of a Flexible Printed Circuit (FPC) can slowly float along with the time environment, the bad phenomenon of the headlights is generated, the design specification needs to be adjusted again, and the quality is improved. Therefore, the FPC light guide plate structure with high activation rate is provided, and the light bar sticking capacity is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an increase FPC light guide plate structure of high activation rate of lamp strip pasting ability, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an increase FPC light guide plate structure of high activation rate of lamp strip sticking ability, includes light guide plate, flexible circuit board, PP transparent thin slice, magnetic rubber thin slice and grooving, the bottom is equipped with the voussoir in the light guide plate, voussoir one side is pasted and is had flexible circuit board, the voussoir bottom is inlayed and is established the LED lamp strip of having arranged, the positive negative pole of LED lamp strip is connected through the soldering with flexible circuit board's electrode tip, the grooving that corresponds with the protruding end in voussoir bottom is seted up to flexible circuit board top one side.

Further, a PP transparent sheet is arranged on one side of the light guide plate, a sheet groove corresponding to the PP transparent sheet is formed in one side of the light guide plate, a magnetic rubber sheet is arranged on the periphery of one side of the PP transparent sheet and the inner ring of the sheet groove in an adhesive mode, and the PP transparent sheet is connected with the sheet groove of the light guide plate in an attached magnetic absorption mode through the magnetic rubber sheet.

Furthermore, the PP transparent sheet is printed with pattern prints, and the light guide plate and the wedge block are both made of polymethyl methacrylate light guide materials.

Furthermore, the edge and the corner of the light guide plate are both designed to be chamfered.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the light guide plate is installed on a part needing to emit light by a worker, the FPC is connected with a power supply interface of the part, the LED lamp strips are electrified to emit light, and then a light source is synchronously guided to the light guide plate through the wedge blocks, so that the light guide plate realizes lighting work, the internal stress of a cover film on the front surface of the flexible circuit board is reduced by cutting off the cutting grooves at the bending part of the flexible circuit board, the height transition limit at the bonding joint of the wedge blocks and the flexible circuit board is effectively avoided, the phenomenon that the flexible circuit board is bent and stressed and can rebound can be reduced, the bonding effect of the flexible circuit board and the wedge blocks of the light guide plate is better, cracking is avoided due to long service time, and the phenomenon that light beams are;

2. through the use of the PP transparent sheet that has the pattern line seal, can improve the interest of illumination greatly, and when personnel do not have the pattern demand or need follow the trade pattern, personnel accessible magnetism rubber sheet with PP transparent sheet tear from the slice groove of light guide plate fall change can, the simple operation uses the flexibility high.

Drawings

Fig. 1 is the utility model relates to an increase FPC light guide plate structure's of high activation rate of lamp strip sticking ability owner and look the structure schematic diagram.

Fig. 2 is the utility model relates to an increase FPC light guide plate structure's of high activation rate of lamp strip bonding ability PP transparent thin slice looks up the structure sketch map.

Fig. 3 is the utility model relates to an increase FPC light guide plate structure of high activation rate of lamp strip pasting ability looks sideways at schematic structure.

Fig. 4 is the utility model relates to an increase voussoir structural diagram of FPC light guide plate structure of high activation rate of lamp strip bonding ability.

In the figure: 1. a light guide plate; 2. an LED light bar; 3. a flexible circuit board; 4. a sheet groove; 5. a PP transparent sheet; 6. printing patterns; 7. a magnetic rubber sheet; 8. grooving; 9. and (4) wedge blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an increase FPC light guide plate structure of high activation rate of lamp strip adhesion ability, includes light guide plate 1, flexible circuit board 3, PP transparent sheet 5, magnetic rubber sheet 7 and grooving 8, the bottom is equipped with voussoir 9 in the light guide plate 1, voussoir 9 one side is pasted and is had flexible circuit board 3, voussoir 9 bottom is inlayed and is established LED lamp strip 2 of having arranged, the positive negative pole of LED lamp strip 2 is connected through the soldering with the electrode tip of flexible circuit board 3, grooving 8 that corresponds with the protruding end in voussoir 9 bottom is seted up to flexible circuit board 3 top one side.

The light guide plate comprises a light guide plate 1 and is characterized in that a PP transparent sheet 5 is arranged on one side of the light guide plate 1, a sheet groove 4 corresponding to the PP transparent sheet 5 is formed in one side of the light guide plate 1, a magnetic rubber sheet 7 is arranged on the periphery of one side of the PP transparent sheet 5 and the inner ring of the sheet groove 4 in an all-gluing mode, and the PP transparent sheet 5 is connected with the sheet groove 4 of the light guide plate 1 in a magnetic-absorbing attaching mode through the magnetic rubber sheet 7.

In this embodiment, as shown in fig. 1 and 2, the PP transparent sheet 5 and the sheet groove 4 can be magnetically connected through the magnetic rubber sheet 7.

The PP transparent sheet 5 is printed with pattern prints 6, and the light guide plate 1 and the wedge block 9 are both made of polymethyl methacrylate light guide materials.

Wherein, the edge and the corner of the light guide plate 1 are both designed to be chamfered.

In this embodiment, as shown in fig. 1, the light guide plate 1 with the edges and the corners being chamfered is not easy to be chipped when being mounted and pressed with the mounting member.

It should be noted that the utility model is a high-activation-rate FPC light guide plate structure for increasing the adhesive ability of the light bar, when working, the personnel install the light guide plate 1 on the part needing to emit light, and the FPC flexible circuit board 3 is connected with the power supply interface of the component, so that the LED lamp strip 2 is electrified to emit light, further, the light source is synchronously guided to the light guide plate 1 through the wedge 9, so that the light guide plate 1 realizes the illumination work, the cutting groove 8 is cut at the bending part of the flexible circuit board 3, so that the internal stress of the front cover film of the flexible circuit board 3 is reduced, the height transition limit at the bonding joint of the wedge block 9 and the flexible circuit board 3 is effectively avoided, the phenomenon that the flexible circuit board 3 is rebounded due to the bending stress can be reduced, the flexible circuit board 3 and the wedge block 9 of the light guide plate 1 are better in adhesion effect, and can not be cracked in advance due to long service life, so that the phenomenon that light beams are emitted outwards due to floating of the LED light bar 2 is avoided; through the use of the PP transparent sheet 5 that has the pattern line seal 6, can improve the interest of illumination greatly, and when personnel do not have the pattern demand or need to trade the pattern, personnel accessible magnetic rubber thin sheet 7 with PP transparent sheet 5 tear from the piece groove 4 of light guide plate 1 fall change can, the simple operation, it is high to use the flexibility.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an increase FPC light guide plate structure of high activation rate of lamp strip sticking ability, includes light guide plate (1), flexible circuit board (3), PP transparency film (5), magnetic rubber thin slice (7) and grooving (8), its characterized in that, the bottom is equipped with voussoir (9) in light guide plate (1), voussoir (9) one side is pasted and is had flexible circuit board (3), voussoir (9) bottom is inlayed and is established LED lamp strip (2) of having arranged, the positive negative pole of LED lamp strip (2) is connected through the soldering with the electrode tip of flexible circuit board (3), grooving (8) that correspond with voussoir (9) bottom bulge end are seted up to flexible circuit board (3) top one side.

2. The FPC light guide plate structure with high activation rate and increased light bar pasting ability of claim 1, wherein: light guide plate (1) one side is equipped with PP transparent sheet (5), sheet groove (4) that correspond with PP transparent sheet (5) are seted up to light guide plate (1) one side, PP transparent sheet (5) one side periphery and sheet groove (4) inner circle are all glued and are equipped with magnetism rubber sheet (7), PP transparent sheet (5) are inhaled magnetism through magnetism rubber sheet (7) and sheet groove (4) of light guide plate (1) and are attached to be connected.

3. The FPC light guide plate structure with high activation rate and increased light bar pasting ability of claim 1, wherein: the PP transparent sheet (5) is printed with pattern prints (6), and the light guide plate (1) and the wedge block (9) are both made of polymethyl methacrylate light guide materials.

4. The FPC light guide plate structure with high activation rate and increased light bar pasting ability of claim 1, wherein: the edge and the corner of the light guide plate (1) are both designed to be in an inverted angle shape.