CN105953120A - Light bar, backlight module and display device - Google Patents
Light bar, backlight module and display device Download PDFInfo
- Publication number
- CN105953120A CN105953120A CN201610371394.0A CN201610371394A CN105953120A CN 105953120 A CN105953120 A CN 105953120A CN 201610371394 A CN201610371394 A CN 201610371394A CN 105953120 A CN105953120 A CN 105953120A
- Authority
- CN
- China
- Prior art keywords
- binding post
- circuit board
- printed circuit
- lamp bar
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of display devices, discloses a light bar, a backlight module and a display device, can save a connector, simplifies the structure, is more convenient for connection, can reduce bad picture phenomenon of the display device, and improves the display effect of the display device. The light bar comprises a printed circuit board and multiple LED lamps arranged on the printed circuit board and electrically connected with the printed circuit board, and further comprises a wiring terminal; multiple metal elastic pieces are distributed on the wiring terminal at intervals; an extending part is arranged at one end of the printed circuit board, and is provided with electrodes corresponding to the metal elastic pieces one to one; the wiring terminal is fixedly arranged at the extending part; and each metal elastic piece is contacted with the corresponding electrode to realize electric connection.
Description
Technical field
The present invention relates to display device technology field, particularly to a kind of lamp bar, backlight module and display dress
Put.
Background technology
In recent years due to the continuous progress of Display Technique, LED has become middle large scale liquid crystal display device
Backlight module in the main selection object of light source, LED is as the light of LCD device backlight module
The main source in source, in middle large scale, its arrangement is in the one or both sides of backlight module and both sides
More than arrange a number of LED, or large scale is arranged to straight-down negative.
LED lamp bar be LED particle is assembled in PCB substrate (preferably a kind of hard circuit substrate) upper or
On the FPC (flexible PCB) of person's banding, especially it is assembled in the LED lamp bar in PCB substrate, can
To apply in backlight module, lamp bar needs to electrically connect with the external world, and common technology typically has following several company
Connect mode: 1, direct wire welds；2, LED lamp bar solder connector and wire solder terminal are carried out even
Connect.
But, the equal existing defects of above-mentioned connection: use wire welding to be usually used in test or manual sample has a fling at, behaviour
Making complexity, efficiency is the lowest, it is difficult in batch production.Solder connector is used to be attached with terminal,
Wire and LED lamp bar two ends need to be respectively welded terminal and adapter, relatively costly；Additionally, due to connection
Body is long-pending bigger so that adapter, close to territory, effective display area, disturbs the propagation of light in backlight, therefore holds
Easily the picture in the position display device of adapter welding occurs abnormal, obfuscation or shinny phenomenon occurs.
Summary of the invention
The invention provides a kind of lamp bar, backlight module and display device, adapter can be saved, simplify knot
Structure, couples together more convenient, and can reduce the generation of display device picture bad phenomenon, improves display dress
The display effect put.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
The invention provides a kind of lamp bar, including printed circuit board (PCB), and be arranged at described printed circuit board (PCB),
The multiple LED electrically connected with described printed circuit board (PCB), also include:
Binding post, described binding post is provided with multiple metal clips spaced apart, wherein: described print
Printed circuit board one end is provided with extension, and described extension is provided with the most electric with the number of metal clips
Pole, described binding post is fixedly arranged on described extension, and each metal clips realizes with corresponding electrode contact
Electrical connection.
The lamp bar that the present invention provides, by arranging on extension and extension in one end of printed circuit board (PCB)
Metal clips so that binding post is mounted directly on a printed circuit, pass through with printed circuit board (PCB)
Metal clips electrically connects, when needs lamp bar electrically connects with the external world, it is only necessary to guide line from binding post,
Being no longer necessary to adapter and coordinate realization electrical connection with binding post, additionally the setting of extension is so that wiring
Terminal from the viewing area of display floater more farther out.
Therefore, the lamp bar that the present invention provides, adapter can be saved, simplify structure, couple together more convenient,
And the generation of display device picture bad phenomenon can be reduced, improve the display effect of display device.
In some optional embodiments, described extension is from edge respectively, one end of described printed circuit board (PCB)
The orientation of the plurality of LED and be perpendicular to the orientation of the plurality of LED and extend.Printing
Circuit board forms zigzag configuration.
In some optional embodiments, described binding post is connected together with described extension.
In some optional embodiments, described binding post is along the length direction of each metal clips
One end is provided with the draw-in groove being connected together with described one end along extending portion along the length direction of each electrode.Extension
The part extended along the orientation being perpendicular to multiple LED is sticked in draw-in groove.
In some optional embodiments, described binding post is along the length direction of each metal clips
The other end is provided with the snap fit being connected together with the described other end along extending portion along the length direction of each electrode.Card
The setting hooked, so that binding post is fixed on extension more more stable, reduces prolonging of printed circuit board (PCB)
Extending portion and binding post connect the generation of unstable phenomenon.
In some optional embodiments, described binding post is provided with buckle or bayonet socket, described extension
It is provided with bayonet socket that the buckle being provided with described binding post engages or is provided with described binding post
The buckle that bayonet socket is connected together.
In some optional embodiments, described extension and described printed circuit board (PCB) are integral type structure.
The invention provides a kind of backlight module, including: the lamp bar described in any of the above-described item.Due to above-mentioned lamp
Bar, can save adapter, simplifies structure, couples together more convenient, and can reduce display device picture
The generation of bad phenomenon, therefore the display module that the present invention provides has preferable display effect.
The invention provides a kind of display device, including: display floater, also include: above-mentioned backlight module.
The display device that the present invention provides has preferable display effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the present invention
Point, the schematic description and description of the present invention is used for explaining the present invention, is not intended that to the present invention not
Work as restriction.In the accompanying drawings:
The structural representation of the lamp bar that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the printed circuit board (PCB) that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the binding post that Fig. 3 provides for the embodiment of the present invention；
The A of the binding post that Fig. 4 provides for the embodiment of the present invention shown in Fig. 3 is to structural representation；
The B of the binding post that Fig. 5 provides for the embodiment of the present invention shown in Fig. 3 is to structural representation.
In figure:
1-printed circuit board (PCB) 11-extension
111-electrode 2-LED lamp
3-binding post 31-metal clips
32-draw-in groove 33-snap fit
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.
As shown in Figure 1, Figure 2 and Figure 3, wherein: the structure of the lamp bar that Fig. 1 provides for the embodiment of the present invention
Schematic diagram；The structural representation of the printed circuit board (PCB) that Fig. 2 provides for the embodiment of the present invention；Fig. 3 is the present invention
The structural representation of the binding post that embodiment provides；The invention provides a kind of lamp bar, including: printing electricity
Road plate 1, and it is arranged at multiple LED 2 that printed circuit board (PCB) 1 electrically connects with printed circuit board (PCB) 1,
Also include:
Binding post 3, binding post 3 is provided with multiple metal clips 31 spaced apart, wherein: printing
Circuit board 1 one end is provided with extension 11, and extension 11 is provided with the number one_to_one corresponding with metal clips 31
Electrode 111, binding post 3 is fixedly arranged on extension 11, and each metal clips 31 and corresponding electrode
111 contacts realize electrical connection.
The lamp bar that the present invention provides, by arranging extension 11 and extending in one end of printed circuit board (PCB) 1
Metal clips 31 in portion 11, so that binding post 3 is mounted directly on the printed circuit board 1, with
Printed circuit board (PCB) 1 is electrically connected by metal clips 31, when needs lamp bar electrically connects with the external world, it is only necessary to
Guide line from binding post 3, it is no longer necessary to adapter coordinates realization electrical connection with binding post 3, additionally
The setting of extension 11 so that binding post 3 from the viewing area of display floater more farther out.
Therefore, the lamp bar that the present invention provides, adapter can be saved, simplify structure, couple together more convenient,
And the generation of display device picture bad phenomenon can be reduced, improve the display effect of display device.
The concrete number of above-mentioned electrode and positive and negative can be fixed according to the quantity of LED, such as: as needed
Use 56 LEDs, LED can be arranged to 4 and 14 strings, it is to avoid single string voltage is excessive；By electricity
Pole is set to the six roots of sensation, and two, centre is set to positive pole, and four, side is set to negative pole.
The concrete structure of above-mentioned printed circuit board (PCB) 1 can have multiple, in a kind of detailed description of the invention, such as Fig. 2
Shown in, extension 11 from one end of printed circuit board (PCB) 1 respectively along multiple LED 2 orientation and hang down
Directly the orientation in multiple LED 2 extends (direction of arrow as shown in Figure 2).Printed circuit board (PCB) 1
Form zigzag configuration.
Above-mentioned binding post 3 can fixing with printed circuit board (PCB) 1 in several ways be connected, and optionally, connects
Line terminals 3 is connected together with extension 11.
In a kind of detailed description of the invention, as shown in Figure 4, Fig. 4 provides for the embodiment of the present invention shown in Fig. 3
The A of binding post to structural representation；Binding post 3 is along the length direction of each metal clips 31
One end is provided with and the draw-in groove 32 being connected together along one end of the length direction of each electrode 111 along extending portion.Such as figure
Shown in 1, the part that extension 11 extends along the orientation being perpendicular to multiple LED 2 is sticked in draw-in groove
To realize the fixing of binding post 3 and printed circuit board (PCB) 1 in 32.
Further, as it is shown in figure 5, Fig. 5 is the binding post that the embodiment of the present invention shown in Fig. 3 provides
B be provided with along the other end of the length direction of each metal clips 31 to structural representation, binding post 3
The snap fit 33 being connected together with the other end along extending portion along the length direction of each electrode 111.Snap fit 33
Arrange so that binding post 3 is fixed on extension 11 more more stable, reduce printed circuit board (PCB) 1
Extension 11 and binding post 3 connect the generation of phenomenon of instability.
In another kind of detailed description of the invention, binding post 3 is provided with buckle or bayonet socket, and extension 11 sets
The bayonet socket that the buckle being provided with binding post 3 engages or the bayonet socket being provided with binding post 3 is had to engage even
The buckle connect.
Above-mentioned extension 11 and printed circuit board (PCB) 1 can be split-type structural, it is also possible to for integral type structure.
The printed circuit board (PCB) 1 of integral structure is easy to make, and Stability Analysis of Structures.
Advantage based on above-mentioned lamp bar, present invention also offers a kind of backlight module, including: any of the above-described item
Described lamp bar.Due to above-mentioned lamp bar, adapter can be saved, simplify structure, couple together more convenient,
And can reduce the generation of display device picture bad phenomenon, therefore the display module that the present invention provides has preferably
Display effect.
Present invention also offers a kind of display device, including: display floater, also include: above-mentioned backlight module.
Advantage based on above-mentioned display module, therefore the display device that the present invention provides has preferable display effect.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a lamp bar, including: printed circuit board (PCB), and it is arranged at described printed circuit board (PCB) with described
Multiple LED of printed circuit board (PCB) electrical connection, it is characterised in that also include:
Binding post, described binding post is provided with multiple metal clips spaced apart, wherein: described print
Printed circuit board one end is provided with extension, and described extension is provided with the most electric with the number of metal clips
Pole, described binding post is fixedly arranged on described extension, and each metal clips realizes with corresponding electrode contact
Electrical connection.
Lamp bar the most according to claim 1, it is characterised in that described extension is from described printing electricity
One end of road plate is respectively along the orientation of the plurality of LED and the row that is perpendicular to the plurality of LED
Column direction extends.
Lamp bar the most according to claim 1, it is characterised in that described binding post and described extension
Portion is connected together.
Lamp bar the most according to claim 3, it is characterised in that described binding post is along each metal
One end of the length direction of shell fragment is provided with and engages along one end of the length direction of each electrode along extending portion with described
The draw-in groove connected.
Lamp bar the most according to claim 4, it is characterised in that described binding post is along each metal
The other end of the length direction of shell fragment is provided with and the described other end along extending portion along the length direction of each electrode
The snap fit being connected together.
Lamp bar the most according to claim 3, it is characterised in that described binding post is provided with buckle
Or bayonet socket, described extension is provided with bayonet socket that the buckle being provided with described binding post engages or with described
The buckle that the bayonet socket that binding post is provided with is connected together.
7. according to the lamp bar described in any one of claim 1～6, it is characterised in that described extension and institute
Stating printed circuit board (PCB) is integral type structure.
8. a backlight module, it is characterised in that including: the lamp as described in any one of claim 1～7
Bar.
9. a display device, including: display floater, it is characterised in that also include: such as claim 8
Described backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371394.0A CN105953120A (en) | 2016-05-30 | 2016-05-30 | Light bar, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371394.0A CN105953120A (en) | 2016-05-30 | 2016-05-30 | Light bar, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105953120A true CN105953120A (en) | 2016-09-21 |
Family
ID=56911110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610371394.0A Pending CN105953120A (en) | 2016-05-30 | 2016-05-30 | Light bar, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105953120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947056A (en) * | 2020-08-26 | 2020-11-17 | 康佳集团股份有限公司 | Lamp strip, backlight unit and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202209573U (en) * | 2011-08-05 | 2012-05-02 | 深圳市日上光电有限公司 | LED light bar and LED lamp comprising the same |
| CN202403216U (en) * | 2011-12-30 | 2012-08-29 | 陈华 | Light emitting diode (LED) light bar connector |
| CN203103515U (en) * | 2012-12-24 | 2013-07-31 | 刘远贵 | PIN wire connection device for seamless butt-joint for LED (light-emitting diode) lamp bar |
| CN103470996A (en) * | 2012-06-08 | 2013-12-25 | 展晶科技(深圳)有限公司 | Light emitting diode lamp strip group |
| CN103727424A (en) * | 2012-10-16 | 2014-04-16 | 深圳长城开发科技股份有限公司 | LED fluorescent lamp |
-
2016
- 2016-05-30 CN CN201610371394.0A patent/CN105953120A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202209573U (en) * | 2011-08-05 | 2012-05-02 | 深圳市日上光电有限公司 | LED light bar and LED lamp comprising the same |
| CN202403216U (en) * | 2011-12-30 | 2012-08-29 | 陈华 | Light emitting diode (LED) light bar connector |
| CN103470996A (en) * | 2012-06-08 | 2013-12-25 | 展晶科技(深圳)有限公司 | Light emitting diode lamp strip group |
| CN103727424A (en) * | 2012-10-16 | 2014-04-16 | 深圳长城开发科技股份有限公司 | LED fluorescent lamp |
| CN203103515U (en) * | 2012-12-24 | 2013-07-31 | 刘远贵 | PIN wire connection device for seamless butt-joint for LED (light-emitting diode) lamp bar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947056A (en) * | 2020-08-26 | 2020-11-17 | 康佳集团股份有限公司 | Lamp strip, backlight unit and display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |