CN207366897U - A kind of LED light bar, backlight module and display device - Google Patents
A kind of LED light bar, backlight module and display device Download PDFInfo
- Publication number
- CN207366897U CN207366897U CN201721479594.4U CN201721479594U CN207366897U CN 207366897 U CN207366897 U CN 207366897U CN 201721479594 U CN201721479594 U CN 201721479594U CN 207366897 U CN207366897 U CN 207366897U
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- circuit board
- light bar
- led light
- lamp bead
- led lamp
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- 239000011324 bead Substances 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000005142 aphototropism Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
It the utility model is related to technical field of liquid crystal display, more particularly to a kind of LED light bar, backlight module and display device.Wherein,LED light bar includes LED lamp bead,Multiple first circuit boards and second circuit board,The utility model is electrically connected a LED lamp bead by each first circuit board,Multiple first circuit boards are respectively provided with the second circuit board,Each first circuit board is removably installed on second circuit board,And each first circuit board is electrically connected with second circuit board,One in first circuit board and second circuit board is provided with connection bump,Another is provided with the connecting hole of accommodating connection bump,The technological means that connection bump insertion connecting hole coordinates,When single LED lamp bead is damaged,LED lamp bead that can by first circuit board and thereon is removed,And the first circuit board and LED lamp bead more renewed,Realize the replacement of single LED lamp bead in LED light bar,For solving the technical problem that LED light bar is not easy-maintaining and maintenance cost is high.
Description
Technical field
It the utility model is related to technical field of liquid crystal display, more particularly to a kind of LED light bar, backlight module and display dress
Put.
Background technology
Liquid crystal display device (LCD, Liquid Crystal Display) has that fuselage is thin, power saving, radiationless etc. numerous
Advantage, is widely used.Liquid crystal display device major part on existing market is backlight liquid crystal display device, it is wrapped
Include liquid crystal panel and backlight module (BLU, Back Light Unit).The operation principle of liquid crystal panel is in the parallel glass of two panels
Liquid crystal molecule is placed among glass substrate, liquid crystal molecule change direction is controlled whether by being powered to glass substrate, by backlight mould
The light of group reflects generation picture.Since liquid crystal panel does not shine, it is necessary to which the light source provided by backlight module comes in itself
Normal display image, therefore, backlight module becomes one of key component of liquid crystal display device.Backlight module is according to light source incidence
The difference of position is divided into two kinds of side entrance back module and down straight aphototropism mode set.Side entrance back module is by backlight LED
Lamp bar (LB, Light Bar) be arranged on liquid crystal panel side rear back plate edges, the light that LED light bar is sent from light guide plate (LGP,
Light Guide Plate) incidence surface of side enters light guide plate, projected after reflection and diffusion from light guide plate light-emitting surface, then
Via optical diaphragm group liquid crystal panel is supplied to form area source.
As shown in Figure 1, traditional LED light bar 1 ' by some LED lamp beads 11 ' be fixed on printed circuit board (PCB) 13 ' (PCB,
Printed Circuit Board) on, the generally use of LED lamp bead 11 ' surface mounting technology (SMT, Surface Mount
Technology the fixation with printed circuit board (PCB) 13 ') is realized.But since all LED lamp beads 11 ' are all fixed on printing electricity
On road plate 13 ', when single LED lamp bead 11 ' is damaged or is failed, it is necessary to repair or replace whole LED light bar 1 ', add
The maintenance cost of LED light bar 1 ', backlight module and display device.
Utility model content
In view of this, first purpose of the utility model is to propose a kind of LED light bar, for solving single LED lamp bead
When damage or failure, the problem of LED light bar is not easy-maintaining and maintenance cost is high.
For this purpose, the utility model uses following technical scheme：
A kind of LED light bar, including：
LED lamp bead；
Multiple first circuit boards, each first circuit board are electrically connected a LED lamp bead；And
Second circuit board, each first circuit board are removably installed on the second circuit board, and each
The first circuit board is electrically connected with the second circuit board, and one in the first circuit board and the second circuit board sets
Connection bump is equipped with, another is provided with the connecting hole of the accommodating connection bump, and the connection bump is inserted into the connecting hole
Coordinate.
Further, the connection bump and the connecting hole are interference fit or welding.
Further, the part that the free end of the connection bump stretches out in the connecting hole is threaded rod, passes through nut
It is tightened against the fixation that the threaded rod realizes the first circuit board and the second circuit board.
Further, the first circuit board is mutually fixed with the second circuit board by fixed glue-line.
Further, the fixed glue-line is single side glue-line, and the single side glue-line is covered in the first circuit board and institute
State the upper surface of second circuit board.
Further, the fixed glue-line is layers of two-sided, the layers of two-sided be located at the first circuit board with it is described
It is between second circuit board, the first circuit board is mutually be bonded with the second circuit board.
Further, the LED lamp bead passes through the first lamp base set thereon and the second lamp base and the first circuit board
It is electrically connected.
Further, the LED lamp bead is fixed on the first circuit board by surface mount.
Further, the first circuit board is flexible PCB or printed circuit board (PCB)；The second circuit board is flexibility
Circuit board or printed circuit board.
Second purpose of the utility model is to propose a kind of backlight module, for solve single LED lamp bead damage or
During failure, the problem of backlight module is not easy-maintaining and maintenance cost is high.
For this purpose, the utility model uses following technical scheme：
A kind of backlight module, including LED light bar as described above.
3rd purpose of the utility model is to propose a kind of display device, for solve single LED lamp bead damage or
During failure, the problem of display device is not easy-maintaining and maintenance cost is high.
For this purpose, the utility model uses following technical scheme：
A kind of display device, including backlight module as described above.
The beneficial effects of the utility model are：
LED light bar provided by the utility model includes LED lamp bead, multiple first circuit boards and second circuit board, by every
A first circuit board is electrically connected a LED lamp bead, and multiple first circuit boards are respectively provided with the second circuit board, each first circuit
Plate is removably installed on second circuit board, and each first circuit board is electrically connected with second circuit board, first circuit board
One in second circuit board is provided with connection bump, another is provided with the connecting hole of accommodating connection bump, connection bump
The technological means that connecting hole coordinates is inserted into, when single LED lamp bead is damaged, LED lamp bead that can by first circuit board and thereon
Remove, and the first circuit board and LED lamp bead more renewed, the replacement of single LED lamp bead in LED light bar is realized, for solving LED
The technical problem that lamp bar is not easy-maintaining and maintenance cost is high.
Brief description of the drawings
Fig. 1 is the structure diagram of LED light bar of the prior art；
Fig. 2 is the structure diagram of LED light bar provided by the utility model；
Fig. 3 is the connection structure sectional view of the first first circuit board and second circuit board provided by the utility model；
Fig. 4 is the sectional view of the first first circuit board provided by the utility model；
Fig. 5 is the sectional view of the first second circuit board provided by the utility model；
Fig. 6 is the attachment structure schematic diagram of second of first circuit board and second circuit board provided by the utility model；
Fig. 7 is the attachment structure schematic diagram of the third first circuit board and second circuit board provided by the utility model.
In figure：
1 '-LED light bar；
11 '-LED lamp bead；13 '-printed circuit board (PCB)；
1-LED lamp bars；
11-LED lamp beads；12- first circuit boards；13- second circuit boards；14- single side glue-lines；15- layers of two-sided；
121- connecting holes；131- connection bumps.
Embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, below in conjunction with the accompanying drawings and pass through
Embodiment further illustrates the technical solution of the utility model.
As shown in Fig. 2, the LED light bar 1 in the present embodiment includes LED lamp bead 11, the electricity of multiple first circuit boards 12 and second
Road plate 13.Wherein, each first circuit board 12 is electrically connected a LED lamp bead 11, and multiple first circuit boards 12 are arranged at second
On circuit board 13, as shown in Fig. 3~Fig. 5, connection bump 131 is provided with second circuit board 13, is set on first circuit board 12
The connecting hole 121 of accommodating connection bump 131 is useful for, connection bump 131 is detachably connected with connecting hole 121, and when connection is realized
First circuit board 12 is electrically connected with second circuit board 13.The utility model is electrically connected one by each first circuit board 12
LED lamp bead 11, multiple first circuit boards 12 are arranged on second circuit board 13, and each first circuit board 12 is removably pacified
Loaded on second circuit board 13, and each first circuit board 12 is electrically connected with second circuit board 13, first circuit board 12 and second
One in circuit board 13 is provided with connection bump 131, another is provided with the connecting hole 121 of accommodating connection bump 131, connection
Protrusion 131 is inserted into the technological means that connecting hole 121 coordinates, and realizes when single LED lamp bead 11 is damaged, can be by first circuit board
12 and LED lamp bead 11 thereon remove, and the first circuit board 12 and LED lamp bead 11 more renewed reaches in LED light bar 1 single
The technique effect that LED lamp bead 11 is replaced, for solving the technical problem that LED light bar 1 is not easy-maintaining and maintenance cost is high.
In addition, in the present embodiment, can also be and connection bump is provided with first circuit board 12, second circuit board 13
On be provided with connecting hole and be used to house connection bump, connection bump is detachably connected with connecting hole, and when connection realizes the first circuit
Plate 12 is electrically connected with second circuit board 13, can also reach the effect for replacing single LED lamp bead.
In the present embodiment, connection bump 131 and connecting hole 121 are interference fit or welding.Company can be made by welding
Connect protrusion 131 with connecting hole 121 fixation it is even closer, make electrical connection effect more preferable.When needing replacing single LED lamp bead 11
When, it is only necessary to weld is heated, realizes the dismounting of connection bump 131 and connecting hole 121.
As shown in Fig. 2, in the present embodiment, in order to further enhance between first circuit board 12 and second circuit board 13
It is fixed, it is also covered with single side glue-line 14 in the upper surface of first circuit board 12 and second circuit board 13.As shown in fig. 7, can be with
By setting layers of two-sided 15 to realize first circuit board 12 and second circuit between first circuit board 12 and second circuit board 13
Fixation between plate 13.As shown in fig. 6, the part that the free end of connection bump 131 stretches out in connecting hole 121 is threaded rod, lead to
Cross nut and be tightened against the fixation that threaded rod realizes first circuit board 12 and second circuit board 13, the first circuit can be further enhanced
Plate 12 is tightly fastened with second circuit board 13, prevents first circuit board 12 from being separated with second circuit board 13.
In the present embodiment, LED lamp bead 11 passes through the first lamp base set thereon and the second lamp base and first circuit board 12
It is electrically connected.LED lamp bead 11 is fixed on first circuit board 12 by surface mount, by surface-pasted fixed form, is easy to
Realize automation, improve assembling and production efficiency.
The present embodiment also provides a kind of backlight module for including as above LED light bar 1, is damaged for solving single LED lamp bead 11
During bad or failure, the problem of backlight module is not easy-maintaining and maintenance cost is high.
The present embodiment also provides a kind of display device for including as above backlight module, is damaged for solving single LED lamp bead 11
During bad or failure, the problem of display device is not easy-maintaining and maintenance cost is high.
It should be strongly noted that the backlight module and display device in the present embodiment belong to same with above-mentioned LED light bar 1
One technical concept.So in backlight module and display device not detailed description detail content, refer in the present embodiment
LED light bar 1, details are not described herein.
Note that have been shown and described above the utility model basic principle and main feature and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, the above embodiment and say
The principle for simply illustrating the utility model described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model also has various changes and modifications, and these various changes and improvements fall within the scope of the claimed invention,
The claimed scope of the utility model is defined by the appending claims and its equivalent thereof.
Claims (10)
- A kind of 1. LED light bar, it is characterised in that including：LED lamp bead (11)；Multiple first circuit boards (12), each first circuit board (12) are electrically connected a LED lamp bead (11)；AndSecond circuit board (13), each first circuit board (12) are removably installed in the second circuit board (13) On, and each first circuit board (12) is electrically connected with the second circuit board (13), the first circuit board (12) and institute State one in second circuit board (13) and be provided with connection bump (131), another is provided with the accommodating connection bump (131) Connecting hole (121), the connection bump (131) is inserted into the connecting hole (121) and coordinates.
- 2. LED light bar according to claim 1, it is characterised in that the connection bump (131) and the connecting hole (121) it is interference fit or welding.
- 3. LED light bar according to claim 1, it is characterised in that the free end of the connection bump (131) stretches out in institute The part for stating connecting hole (121) is threaded rod, by nut be tightened against the threaded rod realize the first circuit board (12) with The fixation of the second circuit board (13).
- 4. LED light bar according to claim 1, it is characterised in that the first circuit board (12) and the second circuit Plate (13) is mutually fixed by fixed glue-line.
- 5. LED light bar according to claim 4, it is characterised in that the fixed glue-line is single side glue-line (14), the list Face glue-line (14) is covered in the upper surface of the first circuit board (12) and the second circuit board (13).
- 6. LED light bar according to claim 4, it is characterised in that the fixed glue-line is layers of two-sided (15), described double Face glue-line (15) is between the first circuit board (12) and the second circuit board (13), by the first circuit board (12) it is mutually be bonded with the second circuit board (13).
- 7. according to claim 1~6 any one of them LED light bar, it is characterised in that the LED lamp bead (11) is by thereon The first lamp base and the second lamp base set is electrically connected with the first circuit board (12).
- 8. according to claim 1~6 any one of them LED light bar, it is characterised in that the LED lamp bead (11) passes through surface Attachment is fixed on the first circuit board (12).
- 9. a kind of backlight module, it is characterised in that including such as claim 1~8 any one of them LED light bar (1).
- 10. a kind of display device, it is characterised in that including backlight module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479594.4U CN207366897U (en) | 2017-11-08 | 2017-11-08 | A kind of LED light bar, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479594.4U CN207366897U (en) | 2017-11-08 | 2017-11-08 | A kind of LED light bar, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366897U true CN207366897U (en) | 2018-05-15 |
Family
ID=62345898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721479594.4U Active CN207366897U (en) | 2017-11-08 | 2017-11-08 | A kind of LED light bar, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637359A (en) * | 2019-01-18 | 2019-04-16 | 合肥京东方显示光源有限公司 | A kind of backlight lamp bar, positioning backboard and backlight module |
| CN114578620A (en) * | 2022-04-02 | 2022-06-03 | 深圳市金光宝光电有限公司 | LED backlight module with bottom light emitting function |
-
2017
- 2017-11-08 CN CN201721479594.4U patent/CN207366897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637359A (en) * | 2019-01-18 | 2019-04-16 | 合肥京东方显示光源有限公司 | A kind of backlight lamp bar, positioning backboard and backlight module |
| CN109637359B (en) * | 2019-01-18 | 2022-02-01 | 合肥京东方显示光源有限公司 | Backlight lamp strip, location backplate and backlight unit |
| CN114578620A (en) * | 2022-04-02 | 2022-06-03 | 深圳市金光宝光电有限公司 | LED backlight module with bottom light emitting function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |