CN208314415U - Backlight module, display device and electronic product - Google Patents
Backlight module, display device and electronic product Download PDFInfo
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- CN208314415U CN208314415U CN201820767765.1U CN201820767765U CN208314415U CN 208314415 U CN208314415 U CN 208314415U CN 201820767765 U CN201820767765 U CN 201820767765U CN 208314415 U CN208314415 U CN 208314415U
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- circuit board
- printed circuit
- lamp bar
- backlight module
- routing path
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Abstract
The utility model belongs to display device technology field, more particularly to a kind of backlight module, display device and electronic product, the backlight module of the utility model, including printed circuit board and the LED light mould group that printed circuit board is arranged in, wherein, LED light mould group includes a lamp bar stand, a plurality of routing path and plurality of LEDs lamp of setting on a printed circuit board, and every routing path concatenation plurality of LEDs lamp forms a LED light string；Lamp bar stand has at least one plus end and multiple negative terminals independent of each other, and one end of the routing path of every LED light string is connected to plus end altogether, and the other end is electrically connected in corresponding negative terminal.Set lamp bar stand to there is at least one plus end and multiple negative terminals independent of each other, i.e. single lamp bar stand can connect multiple routing paths, the quantity of the lamp bar stand when needing using multiple routing paths can be reduced, the size of printed circuit board is reduced, and then reduces the production cost of backlight module.
Description
Technical field
The utility model belongs to lamp bar technical field more particularly to a kind of printed circuit board, backlight module and display dress
It sets.
Background technique
In the prior art, it in order to reduce the energy consumption of backlight in liquid crystal display, improves liquid crystal display and shows image
Quality, methods have been developed local dimming (Local Dimming) technologies, and this local dimming technology is first by image
It is divided into several elementary areas according to matrix form, then calculates the average brightness of each elementary area in displayed image, with
The brightness of each elementary area of independent control, improves the contrast of image frame.
Existing LED light mould group is that lamp bar stand, routing path and LED light are electrically connected, and a lamp bar stand
A corresponding routing path, however, leading to present use as the use of local dimming technology and display device are increasing
More and more in the LED light mould group of adjustment elementary area average brightness, routing path is increasingly longer, so that routing path is set to
The printed circuit board of printed circuit board is also increasing, and then causes the cost of backlight module high.
Utility model content
The purpose of this utility model is to provide a kind of backlight modules, it is intended to it is more next to solve display device in the prior art
It is more and more for adjusting the lamp bar of elementary area average brightness caused by bigger, so that the printed circuit being electrically connected with lamp bar
Plate is also increasing, and then the technical issues of lead to the higher cost of backlight module.
In order to achieve the above purposes, the technical solution adopted by the utility model is: backlight module, including printed circuit board and set
Set the LED light mould group in the printed circuit board, wherein the LED light mould group includes a lamp bar stand, is arranged in printed circuit
A plurality of routing path and plurality of LEDs lamp on plate, every routing path concatenate the more LED light and form a LED light
String；The lamp bar stand has at least one plus end and multiple negative terminals independent of each other, the wiring of every LED light string
The one end in path is connected to the plus end altogether, and the other end is electrically connected in corresponding negative terminal.
Further, the lamp bar stand is set to the middle part of the printed circuit board, and the routing path includes multiple
First routing path and multiple second routing paths, first routing path are set with the second routing path mirror symmetry
It sets.
Further, each first routing path equidistantly interval setting side by side.
Further, each second routing path equidistantly interval setting side by side.
Further, it is set on the printed circuit board there are two the lamp bar stand, the two lamp bar stands are disposed adjacent
And it is set to the middle part of the printed circuit board.
Further, the lamp bar stand is detachably connected with the printed circuit board.
Further, the printed circuit board is equipped with fastener, and the lamp bar stand is equipped with corresponding with the fastener
Shackle member, the printed circuit board are connected and fixed with the lamp bar stand by the fastener and the shackle member.
Further, the shackle member and the lamp bar stand integrated injection molding.
The utility model has the beneficial effects that the backlight module of the utility model, by the way that lamp bar is arranged on a printed circuit board
Stand, and be arranged and the routing path of plurality of LEDs lamp is electrically connected and be serially connected with lamp bar stand, in this way, can make LED light mould
Group can work normally, in addition, by setting lamp bar stand to have at least one plus end and multiple negative terminals independent of each other
Son, and routing path concatenation plurality of LEDs lamp forms a LED light string, single lamp bar stand connects multiple LED light strings, i.e., individually
Lamp bar stand can connect multiple routing paths, can reduce the quantity of the lamp bar stand when needing using multiple routing paths,
The size of printed circuit board is reduced, and then reduces the production cost of backlight module.
Another technical solution that the utility model uses is display device, including above-mentioned backlight module.
The utility model has the beneficial effects that the display device of the utility model, by using above-mentioned backlight module, print
Lamp bar stand on circuit board processed connects multiple routing paths, so that the size of printed circuit board can be reduced, and then can reduce back
The size of optical mode group, reduces the production cost of backlight module, and then can effectively reduce the production cost of display device.
The another technical solution that the utility model uses is electronic product, including above-mentioned display device.
The utility model has the beneficial effects that the electronic product of the utility model can by using above-mentioned display device
The production cost of electronic product is effectively reduced.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of printed circuit board provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram two of printed circuit board provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram three of printed circuit board provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
10-printed circuit boards；20-LED light mould groups；21-lamp bar stands；
22-LED light strings；211-plus ends；212-negative terminals；
221-routing paths；222-LED light.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining the description of attached drawing 1~3 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figures 1 to 3, backlight module, including printed circuit board 10 and the LED light mould group that printed circuit board 10 is arranged in
20, wherein LED light mould group 20 includes a lamp bar stand 21, a plurality of routing path 221 that is arranged on printed circuit board 10 and more
LED lamp 222, every routing path 221 concatenate plurality of LEDs lamp 222 and form the string of LED light 222 22；Lamp bar stand 21 has
At least one plus end 211 and multiple negative terminals independent of each other 212, the one of the routing path 221 of every string of LED light 222 22
End is connected to plus end 211 altogether, and the other end is electrically connected in corresponding negative terminal 212.
The backlight module of the utility model embodiment by the way that lamp bar stand 21 is arranged on printed circuit board 10, and is arranged
The routing path 221 of plurality of LEDs lamp 222 is electrically connected and is serially connected with lamp bar stand 21, in this way, can make LED light mould group
20 can work normally, in addition, by setting lamp bar stand 21 to have at least one plus end 211 and multiple independent of each other
Negative terminal 212, and routing path 221 concatenates plurality of LEDs lamp 222 and forms the string of LED light 222 22, single lamp bar stand 21 connects
Multiple strings of LED light 222 22 are connect, i.e., single lamp bar stand 21 can connect multiple routing paths 221, can reduce and need using more
The quantity of lamp bar stand 21 when a routing path 221 reduces the size of printed circuit board 10, and then reduces the life of backlight module
Produce cost
Further, as shown in figure 3, in the present embodiment, lamp bar stand 21 is set to the middle part of printed circuit board 10, cloth
Thread path 221 includes multiple first routing paths 221 and multiple second routing paths 221, the first routing path 221 and the second cloth
The setting of 221 mirror symmetry of thread path.By the way that lamp bar stand 21 to be placed in the middle part of printed circuit board 10, and by the first routing path
221 and 221 radial symmetric of the second routing path be arranged, width of the routing path 221 in circuit board main body can be reduced, in this way,
In the case where needing to be arranged specific amount of routing path 221, by lamp bar stand 21 be set to in circuit board main body
Routing path 221 is divided the width for occupying printed circuit board 10 for the first routing path 221 and the second routing path 221 small by portion
The width of the printed circuit board 10 occupied is set in routing path 221 in the same direction side by side, reduction printed circuit board can be further reduced
10 size.
Further, as shown in figure 3, in the present embodiment, equidistant interval is arranged each first routing path 221 side by side.
By the way that each first routing path 221 to be arranged side by side, can be convenient for 221 industrial processes of the first routing path in printed circuit board 10
On, in addition, can be convenient for by by each equidistantly interval setting of first routing path 221 by multiple LED light 222 and the first wiring
Path 221, which is electrically connected, forms the string of LED light 222 22.
Further, as shown in figure 3, in the present embodiment, equidistant interval is arranged each second routing path 221 side by side.
By the way that each second routing path 221 to be arranged side by side, can be convenient for 221 industrial processes of the second routing path in printed circuit board 10
On, in addition, can be convenient for by by each equidistantly interval setting of second routing path 221 by multiple LED light 222 and the second wiring
Path 221, which is electrically connected, forms the string of LED light 222 22.
Further, as shown in Fig. 2, in the present embodiment, set that there are two lamp bar stand 21, two lamps on printed circuit board 10
Bar stand 21 is disposed adjacent and is set to the middle part of printed circuit board 10.So that in the printed circuit board 10 using same widths
In the case where width, it is located at the lamp bar stands 21 at the middle part of printed circuit board 10 by setting two, it is settable relative to being only arranged
Twice of quantity of routing path 221 of the settable routing path 221 of single lamp bar stand 21, in this way, can be by using list
The wiring that the width setting of the circuit board main body for the half that a lamp bar stand 21 needs can be electrically connected with single lamp bar stand 21
Identical 221 quantity of routing path of the quantity in path 221.
Further, in the present embodiment, lamp bar stand 21 is detachably connected with printed circuit board 10.Work as printed circuit board
10 after using for a longer period, and lamp bar stand 21 may be damaged, by the way that set lamp bar stand 21 and printed circuit board 10 to can
Disassembly, when lamp bar stand 21 damages, replaceable lamp bar stand 21 continue to use printed circuit board 10 can, avoid lamp bar seat
21 damage of son just needs to eliminate entire printed circuit board 10, can effectively save resource.
Further, in the present embodiment, printed circuit board 10 is equipped with fastener (not shown), on lamp bar stand 21
Equipped with shackle member (not shown) corresponding with fastener, printed circuit board 10 and lamp bar stand 21 pass through fastener and shackle member card
Connect fixation.By setting fastener and shackle member, so that printed circuit board 10 is detachably fixed with lamp bar stand 21, it is convenient for lamp body seat
When son damage, lamp bar stand 21 is dismantled and replaced from printed circuit board 10, the damage of lamp bar stand 21 is avoided just to need to eliminate
Entire printed circuit board 10, can effectively save resource.
Further, in the present embodiment, shackle member and 21 integrated injection molding of lamp bar stand.Due to integrated injection molding
The intensity that may make shackle member to connect in lamp bar stand 21 is higher, therefore, prepares shackle member using the mode of integrated injection molding
It may make the stability of printed circuit board 10 more preferably with lamp bar stand 21.
The utility model embodiment also provides display device, including above-mentioned backlight module.
The display device of the utility model, the lamp bar seat by using above-mentioned backlight module, on printed circuit board 10
The 21 multiple routing paths 221 of connection of son, so that the size of printed circuit board 10 can be reduced, and then can reduce the ruler of backlight module
It is very little, the production cost of backlight module is reduced, and then can effectively reduce the production cost of display device.
The utility model embodiment provides a kind of electronic product again, including above-mentioned display device.
The electronic product of the utility model can effectively reduce the life of electronic product by using above-mentioned display device
Produce cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. backlight module, which is characterized in that including printed circuit board and the LED light mould group that the printed circuit board is arranged in,
In, the LED light mould group includes a lamp bar stand, setting a plurality of routing path and plurality of LEDs lamp on a printed circuit board, often
Routing path described in item concatenates the more LED light and forms a LED light string；The lamp bar stand has at least one plus end
With multiple negative terminals independent of each other, one end of the routing path of every LED light string is connected to the plus end, the other end altogether
It is electrically connected in corresponding negative terminal.
2. backlight module according to claim 1, it is characterised in that: the lamp bar stand is set to the printed circuit board
Middle part, the routing path includes multiple first routing paths and multiple second routing paths, first routing path with
The second routing path mirror symmetry setting.
3. backlight module according to claim 2, it is characterised in that: each first routing path is equidistantly spaced side by side
Setting.
4. backlight module according to claim 2, it is characterised in that: each second routing path is equidistantly spaced side by side
Setting.
5. backlight module according to claim 1, it is characterised in that: the lamp bar there are two being set on the printed circuit board
Stand, the two lamp bar stands are disposed adjacent and are set to the middle part of the printed circuit board.
6. backlight module according to claim 5, it is characterised in that: the lamp bar stand and the printed circuit board are removable
Unload connection.
7. backlight module according to claim 6, it is characterised in that: the printed circuit board is equipped with fastener, the lamp
Bar stand be equipped with shackle member corresponding with the fastener, the printed circuit board and the lamp bar stand by the fastener with
The shackle member connects and fixes.
8. backlight module according to claim 7, it is characterised in that: the shackle member and the lamp bar stand integrated injection molding
Molding.
9. display device, it is characterised in that: including backlight module as described in any one of claims 1 to 8.
10. electronic product, it is characterised in that: including display device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820767765.1U CN208314415U (en) | 2018-05-17 | 2018-05-17 | Backlight module, display device and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820767765.1U CN208314415U (en) | 2018-05-17 | 2018-05-17 | Backlight module, display device and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314415U true CN208314415U (en) | 2019-01-01 |
Family
ID=64715151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820767765.1U Active CN208314415U (en) | 2018-05-17 | 2018-05-17 | Backlight module, display device and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208314415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308786A (en) * | 2020-04-02 | 2020-06-19 | 京东方科技集团股份有限公司 | Backlight module, display panel and display device |
| CN112965297A (en) * | 2021-03-19 | 2021-06-15 | 深圳创维－Rgb电子有限公司 | Light bar assembly and display panel |
| CN114779531A (en) * | 2022-05-23 | 2022-07-22 | 高创(苏州)电子有限公司 | Backlight lamp strip keysets, backlight unit and display device |
-
2018
- 2018-05-17 CN CN201820767765.1U patent/CN208314415U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308786A (en) * | 2020-04-02 | 2020-06-19 | 京东方科技集团股份有限公司 | Backlight module, display panel and display device |
| US11782314B2 (en) | 2020-04-02 | 2023-10-10 | Beijing Boe Display Technology Co., Ltd. | Backlight module, display panel and display device |
| CN112965297A (en) * | 2021-03-19 | 2021-06-15 | 深圳创维－Rgb电子有限公司 | Light bar assembly and display panel |
| CN114779531A (en) * | 2022-05-23 | 2022-07-22 | 高创(苏州)电子有限公司 | Backlight lamp strip keysets, backlight unit and display device |
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