CN103698913A - Backlight source lighting-on jig - Google Patents
Backlight source lighting-on jig Download PDFInfo
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- CN103698913A CN103698913A CN201310701276.8A CN201310701276A CN103698913A CN 103698913 A CN103698913 A CN 103698913A CN 201310701276 A CN201310701276 A CN 201310701276A CN 103698913 A CN103698913 A CN 103698913A
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- connection bracket
- backlight
- bar
- lighting jig
- described connection
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Abstract
The invention provides a backlight source lighting-on jig which comprises a body. An accommodating portion for placing a backlight source, a conductive portion capable of being in contact with or separated from a circuit board of the backlight source to enable the circuit board of the backlight source to be powered on or powered off, and a power switch capable of controlling a connection state of the conductive portion and an external power supply. The backlight source lighting-on jig further comprises a connecting support capable of performing reciprocating motion in the first direction, a pressing head for controlling the reciprocating motion of the connecting support, a switch adjusting rod capable of performing reciprocating motion under the driving of the connecting support in the first direction so as to control a switching state of the power switch, and a pressing part capable of performing reciprocating motion under the driving of the connecting support in the first direction so as to control contact or separation of the circuit board of the backlight source and the conductive portion, wherein the switch adjusting rod and the pressing part are arranged on the connecting support. The backlight source lighting-on jig can decrease operation actions in the lighting-on process and improve the working efficiency.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of backlight lighting jig.
Background technology
LCDs obtains using more and more widely in the various products such as mobile phone, TV at present, in order to get uniform backlight, make the brightness of LCD Panel even, the optical property that generally needs backlight lighting jig test backlight, thereby determine relative position and the angle of backlight and light source, make to meet from briliancy, angle and the uniformity coefficient of backlight ejaculation light the demand of LCDs.
Traditional backlight lighting jig comprises for placing the holding part of backlight at present; Power switch; By power switch, controlled, with the conductive part of external power source electric connection or disconnection; And, for the flexible PCB of backlight is compressed at conductive part, so that conductive part realizes with the flexible PCB of backlight the pressing arm being electrically connected to.
In prior art, generally manually pressing arm to be pressed down, the flexible PCB of backlight is compressed on conductive part, turn on the power switch again, on the flexible PCB of backlight, switch on, backlight is lighted, after the end of lighting a lamp, powered-down switch, then lifts pressing arm again, completes the test to backlight.Adopt this traditional backlight lighting jig, the whole motion action of lighting a lamp is frequent, and, may there is hot line job because of artificial problem, and cause the damage of flexible PCB.
Summary of the invention
The object of this invention is to provide a kind of backlight lighting jig, it is simple in structure, can reduce operational motion in the process of lighting a lamp, and increases work efficiency.
Technical scheme provided by the present invention is as follows:
A backlight lighting jig, comprises a body, on described body, is provided with:
For placing the holding part of backlight;
Can with the circuit board contact of backlight or separated so that the conductive part of the energising of the circuit board of backlight or power-off;
Can control the power switch of the on off operating mode of described conductive part and external power source;
The connection bracket that can move back and forth along first direction;
For controlling the pressure head that described connection bracket moves back and forth;
Can under driving, described connection bracket move back and forth along described first direction, to control the switch adjuster bar of the folding condition of described power switch; And,
Can under described connection bracket drives, along described first direction, move back and forth, to control the circuit board of backlight and the contact of conductive part or separated pressing parts, described switch adjuster bar and described pressing parts are all arranged in described connection bracket.
Further, described backlight lighting jig also comprises for guiding the guide portion of the direction of motion of described connection bracket.
Further, described guide portion comprises at least one slide bar, and described slide bar is arranged on described body along described first direction; In described connection bracket, be provided with at least one bullport corresponding with described slide bar;
Described slide bar is threaded onto in corresponding described bullport, and described connection bracket can move back and forth along described slide bar in described bullport.
Further, between described slide bar and described bullport, be provided with sliding bearing.
Further, in described connection bracket, be provided with the first through hole;
Described pressing parts comprise:
Be threaded onto the depression bar in the first through hole of described connection bracket, described connection bracket can reciprocatingly slide by described the first through hole on described depression bar;
Be arranged at the first end of described depression bar, for the circuit board of backlight is pressed on to the press head on described light guide section;
Be arranged between described connection bracket and described press head, when in described connection bracket, the first end direction along described depression bar to described depression bar is slided, to the elastic parts that applies snap-in force on described press head;
And, be arranged at the second end of described press head, when in described connection bracket, the second extreme direction along described depression bar to described depression bar slides, described connection bracket is carried out spacing so that the limiting section that described connection bracket can drive described depression bar to move.
Further, described elastic parts comprises the first spring being arranged between described connection bracket and described press head, and described the first spring housing is loaded on described depression bar.
Further, described limiting section comprises that spinning is in the stop nut of the second end of described depression bar.
Further, in described connection bracket, be also provided with threaded hole; Described switch adjuster bar spinning is in described threaded hole.
Further, described backlight lighting jig also comprises for described connection bracket is arranged to the fixed mount on described body; Described fixed mount comprises:
Coordinate with described pressure head, the fixed bar that can be pressed down or unclamp by described pressure head, described fixed bar is fixed in described connection bracket; And,
Be arranged between described fixed bar and described body second spring that the described connection bracket after pressing down can be resetted.
Further, on described body, be provided with at least two described holding parts, and in described connection bracket, be provided with at least two described pressing parts, holding part setting described in pressing parts correspondence one described in each.
Beneficial effect of the present invention is as follows:
Such scheme, because the switch adjuster bar of pushing power switch and the pressing parts of pressing the circuit board of backlight all can be driven down and be moved back and forth by connection bracket, therefore, while pressing down connection bracket, switch adjuster bar can control power switch closure, and pressing parts can will press down the circuit board of backlight, make the circuit board of backlight contact with conductive part and switch on, backlight is lighted; While lifting connection bracket, switch adjuster bar can be controlled power switch and open, and pressing parts can unclamp the circuit board of backlight, make the circuit board of backlight and current-carrying part from and power-off.As can be seen here, backlight lighting jig provided by the present invention can reduce the operational motion in the process of lighting a lamp, and increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of backlight lighting jig provided by the present invention while not placing backlight;
Fig. 2 is the structural representation of backlight lighting jig provided by the present invention when placing backlight;
View when Fig. 3 does not light a lamp for the backlight lighting jig providing in the present invention;
Fig. 4 is backlight lighting jig provided by the present invention view while lighting a lamp;
Fig. 5 is the structural representation of pressing parts;
Fig. 6 is the schematic diagram of power control panel.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
For the operational motion problem frequently of lighting a lamp of backlight lighting jig in prior art, the invention provides a kind of backlight lighting jig, it can reduce the operational motion of lighting a lamp, and increases work efficiency.
As shown in Figures 1 to 4, backlight lighting jig provided by the present invention comprises a body 10, on described body 10, is provided with:
For placing the holding part 101 of backlight 200;
Can with circuit board 201 contact of backlight 200 or separated so that the conductive part 102 of 201 energisings of the circuit board of backlight 200 or power-off;
Can control the power switch 103 of the on off operating mode of described conductive part 102 and external power source;
Described backlight lighting jig also comprises:
The connection bracket 20 that can move back and forth along first direction;
For controlling the pressure head 30 that described connection bracket 20 moves back and forth;
Can under driving, described connection bracket 20 move back and forth along described first direction, to control the switch adjuster bar 40 of the folding condition of described power switch 103; And,
Can under driving, described connection bracket 20 move back and forth along described first direction, to control the circuit board 201 of backlight 200 and the contact of conductive part 102 or separated pressing parts 50, described switch adjuster bar 40 and described pressing parts 50 are all arranged in described connection bracket 20.
Adopt such scheme, because the switch adjuster bar 40 of pushing power switch 103 and the pressing parts 50 of pressing the circuit board 201 of backlight 200 move back and forth under all can driving by connection bracket 20, therefore, while pressing down connection bracket 20, switch adjuster bar 40 can control power switch 103 closures, and pressing parts 50 can will press down the circuit board 201 of backlight 200, make the circuit board 201 of backlight 200 contact with conductive part 102 and switch on, and backlight 200 is lighted; While lifting connection bracket 20, switch adjuster bar 40 can be controlled power switches 103 and open, and pressing parts 50 can unclamp the circuit board 201 of backlight 200, and the power-off separated with conductive part 102 of the circuit board 201 that makes backlight 200.As can be seen here, backlight lighting jig provided by the present invention can reduce the operational motion in the process of lighting a lamp, and increases work efficiency.
The preferred embodiment of backlight lighting jig provided by the present invention is below described.For convenience of description, in following examples, be to take connection bracket 20 can move up and down the explanation of carrying out as example.
In the present embodiment, preferred, described backlight lighting jig also comprises for guiding the guide portion of the direction of motion of described connection bracket 20.Further preferred, as shown in Figures 1 to 4, described guide portion comprises at least one slide bar 60, and described slide bar 60 is arranged on described body 10 along described first direction; In described connection bracket 20, be provided with at least one bullport corresponding with described slide bar 60 (unmarked in figure); Described slide bar 60 is threaded onto in corresponding described bullport, and described connection bracket 20 can move back and forth along described slide bar 60 in described bullport.
As shown in Figures 1 to 4, in the present embodiment, this guide portion can comprise two slide bars 60 and two bullports, and pressure head 30 is arranged at two positions between slide bar 60, can guarantee the slip reliability of connection bracket 20.Certainly in actual applications, the structure of guide portion can be also to adopt other modes, and the quantity of slide bar 60 and position also can be adjusted according to actual needs.
In addition, in the present embodiment, preferred, as shown in Figures 1 to 4, between described slide bar 60 and described bullport, be provided with sliding bearing 70.By sliding bearing 70 is set, is convenient to slide bar 60 and carries out relative sliding with connection bracket 20.
In addition; in the prior art; often can be due to artificial origin when lighting a lamp end; first the flexible PCB of backlight 200 20 and conductive part 102 are unclamped; the phenomenon of again power switch 103 being opened; the phenomenon of namely hot line job, can cause the flexible PCB 20 of backlight 200 to damage like this.For fear of hot line job phenomenon, occur, in the present embodiment, as shown in Fig. 3,4 and 5, preferred, in described connection bracket 20, be provided with the first through hole (unmarked in figure);
Described pressing parts 50 comprise:
Be threaded onto the depression bar 501 in the first through hole of described connection bracket 20, described connection bracket 20 can reciprocatingly slide by described the first through hole on described depression bar 501;
Be arranged at the first end of described depression bar 501, for the circuit board of backlight 200 201 being pressed on to the press head 502 on described light guide section;
Be arranged between described connection bracket 20 and described press head 502, when in described connection bracket 20, the first end direction along described depression bar 501 to described depression bar 501 is slided, to the elastic parts 503 that applies snap-in force on described press head 502;
And, be arranged at the limiting section 504 of the second end of described press head 502, shown in limiting section 504 when in described connection bracket 20, the second extreme direction along described depression bar 501 to described depression bar 501 slides, described connection bracket 20 is carried out spacing so that described connection bracket 20 can drive described depression bar 501 to move.
Adopt such scheme, to correct position, make switch adjuster bar 40 be less than to the relative distance between power switch 103 distance that the limiting section 504 of depression bar 501 arrives between the flexible PCB 20 of backlight 200 length adjustment of switch adjuster bar 40 and depression bar 501.
While lighting a lamp, press down pressure head 30, connection bracket 20 moves down, switch adjuster bar 40 moves down and contacts and lower piezoelectric source switch 103, makes conductive part 102 energisings, and then connection bracket 20 continues to move down, relative sliding between connection bracket 20 and depression bar 501, the elastic parts 503 being arranged between press head 502 and connection bracket 20 starts to apply downforce to press head 502, and the flexible PCB 20 of backlight 200 is contacted with conductive part 102, and backlight 200 is lit;
Light a lamp while finishing, lift pressure head 30, in connection bracket 20, move, drive on switch adjuster bar 40 and move, switch adjuster bar 40 unclamps power switch 103, conductive part 102 power-off, relative sliding between connection bracket 20 and depression bar 501, depression bar 501 is not lifted, then connection bracket 20 is moved on continuing, until connection bracket 20 is while moving to the position of limiting section 504, depression bar 501 is connected support 20 and drives, unclamp the flexible PCB 20 of backlight 200, the flexible PCB 20 of backlight 200 is separated with conductive part 102.As can be seen here, the backlight lighting jig that the present embodiment provides can be avoided hot line job.
In the present embodiment, preferred, as shown in Figures 1 to 5, described elastic parts 503 comprises the first spring being arranged between described connection bracket 20 and described press head 502, and described the first spring housing is loaded on described depression bar 501.Certainly can understand, in actual applications, described elastic parts 503 also can adopt other structures, at this, will not enumerate.
In addition,, in the present embodiment, preferred, as shown in Figures 1 to 5, described limiting section 504 comprises that spinning is in the stop nut of the second end of described depression bar 501.Adopt such scheme, can adjust the position of stop nut.Certainly can understand, in actual applications, described limiting section 504 also can adopt other structures, at this, the structure of limiting section 504 is not limited.
In addition, in the present embodiment, preferred, as shown in Figures 1 to 5, in described connection bracket 20, be also provided with threaded hole; Described switch adjuster bar 40 spinnings are in described threaded hole.Adopt such scheme, can adjust the relative distance between switch adjuster bar 40 and power switch 103.Certainly, switch adjuster bar 40 also can adopt other modes to be arranged in connection bracket 20.
In addition,, in the present embodiment, preferred, as shown in Figures 1 to 4, described backlight lighting jig also comprises for described connection bracket 20 is arranged to the fixed mount on described body 10; Described fixed mount comprises:
Coordinate with described pressure head 30, the fixed bar 71 that can be pressed down or unclamp by described pressure head 30, described fixed bar 71 is fixed in described connection bracket 20; And,
Be arranged between described fixed bar 71 and described body 10 the second spring (not shown) that the described connection bracket 20 after pressing down can be resetted.
In addition, it should be noted that, as shown in Figure 1, in preferred embodiment provided by the present invention, on described body 10, be provided with two described holding parts 101, and in described connection bracket 20, be provided with two described pressing parts 50, described in each, described in pressing parts 50 correspondences one, holding part 101 arranges.Adopt such scheme, can to two backlights 200, detect by a backlight lighting jig simultaneously.Certainly at this, the quantity of holding part 101 and pressing parts 50 is not limited.
In addition, as shown in Figure 1, for the ease of picking and placeing backlight, in the present embodiment, preferred, the both sides of described holding part 101 are provided with opening 1011.
In addition, also it should be noted that, in the present invention, conductive part 102 can be the structures such as copper-clad plate that are arranged at flexible PCB 20 belows of backlight 200.
In addition, backlight lighting jig provided by the present invention also comprises circuit control panel 80, as shown is the schematic diagram into circuit control panel.On circuit control panel 80, can be provided with:
Power supply input socket 81, it is the input socket of 12V direct supply;
Current regulating valve 82, it is the variable valve of left and right side product size of current;
Left and right electric current shows jack 83, and it is the jack that while regulating electric current, multimeter shows reading; And,
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a backlight lighting jig, comprises a body, on described body, is provided with:
For placing the holding part of backlight;
Can with the circuit board contact of backlight or separated so that the conductive part of the energising of the circuit board of backlight or power-off;
Can control the power switch of the on off operating mode of described conductive part and external power source;
It is characterized in that, described backlight lighting jig also comprises:
The connection bracket that can move back and forth along first direction;
For controlling the pressure head that described connection bracket moves back and forth;
Can under driving, described connection bracket move back and forth along described first direction, to control the switch adjuster bar of the folding condition of described power switch; And,
Can under described connection bracket drives, along described first direction, move back and forth, to control the circuit board of backlight and the contact of conductive part or separated pressing parts, described switch adjuster bar and described pressing parts are all arranged in described connection bracket.
2. backlight lighting jig according to claim 1, is characterized in that,
Described backlight lighting jig also comprises for guiding the guide portion of the direction of motion of described connection bracket.
3. backlight lighting jig according to claim 2, is characterized in that,
Described guide portion comprises at least one slide bar, and described slide bar is arranged on described body along described first direction; In described connection bracket, be provided with at least one bullport corresponding with described slide bar;
Described slide bar is threaded onto in corresponding described bullport, and described connection bracket can move back and forth along described slide bar in described bullport.
4. backlight lighting jig according to claim 3, is characterized in that,
Between described slide bar and described bullport, be provided with sliding bearing.
5. backlight lighting jig according to claim 1, is characterized in that,
In described connection bracket, be provided with the first through hole;
Described pressing parts comprise:
Be threaded onto the depression bar in the first through hole of described connection bracket, described connection bracket can reciprocatingly slide by described the first through hole on described depression bar;
Be arranged at the first end of described depression bar, for the circuit board of backlight is pressed on to the press head on described light guide section;
Be arranged between described connection bracket and described press head, when in described connection bracket, the first end direction along described depression bar to described depression bar is slided, to the elastic parts that applies snap-in force on described press head;
And, be arranged at the second end of described press head, when in described connection bracket, the second extreme direction along described depression bar to described depression bar slides, described connection bracket is carried out spacing so that the limiting section that described connection bracket can drive described depression bar to move.
6. backlight lighting jig according to claim 5, is characterized in that,
Described elastic parts comprises the first spring being arranged between described connection bracket and described press head, and described the first spring housing is loaded on described depression bar.
7. backlight lighting jig according to claim 5, is characterized in that, described limiting section comprises that spinning is in the stop nut of the second end of described depression bar.
8. backlight lighting jig according to claim 1, is characterized in that, is also provided with threaded hole in described connection bracket; Described switch adjuster bar spinning is in described threaded hole.
9. backlight lighting jig according to claim 1, is characterized in that,
Described backlight lighting jig also comprises for described connection bracket is arranged to the fixed mount on described body; Described fixed mount comprises:
Coordinate with described pressure head, the fixed bar that can be pressed down or unclamp by described pressure head, described fixed bar is fixed in described connection bracket; And,
Be arranged between described fixed bar and described body second spring that the described connection bracket after pressing down can be resetted.
10. backlight lighting jig according to claim 1, is characterized in that,
On described body, be provided with at least two described holding parts, and in described connection bracket, be provided with at least two described pressing parts, holding part setting described in pressing parts correspondence one described in each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310701276.8A CN103698913B (en) | 2013-12-18 | 2013-12-18 | A kind of backlight lighting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310701276.8A CN103698913B (en) | 2013-12-18 | 2013-12-18 | A kind of backlight lighting jig |
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| Publication Number | Publication Date |
|---|---|
| CN103698913A true CN103698913A (en) | 2014-04-02 |
| CN103698913B CN103698913B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310701276.8A Active CN103698913B (en) | 2013-12-18 | 2013-12-18 | A kind of backlight lighting jig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635363A (en) * | 2015-03-11 | 2015-05-20 | 京东方光科技有限公司 | Lighting fixture of backlight source and defect detection equipment using same |
| CN109570893A (en) * | 2018-12-24 | 2019-04-05 | 海盐宏拓五金有限公司 | A kind of casing fast welding tooling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201166758Y (en) * | 2008-03-21 | 2008-12-17 | 北京京东方光电科技有限公司 | Detecting clamp |
| CN101363976A (en) * | 2008-09-24 | 2009-02-11 | 友达光电股份有限公司 | Test fixture and lighting test station using the test fixture |
| CN201909918U (en) * | 2010-12-30 | 2011-07-27 | 京东方科技集团股份有限公司 | Liquid crystal panel detecting device |
-
2013
- 2013-12-18 CN CN201310701276.8A patent/CN103698913B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166758Y (en) * | 2008-03-21 | 2008-12-17 | 北京京东方光电科技有限公司 | Detecting clamp |
| CN101363976A (en) * | 2008-09-24 | 2009-02-11 | 友达光电股份有限公司 | Test fixture and lighting test station using the test fixture |
| CN201909918U (en) * | 2010-12-30 | 2011-07-27 | 京东方科技集团股份有限公司 | Liquid crystal panel detecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635363A (en) * | 2015-03-11 | 2015-05-20 | 京东方光科技有限公司 | Lighting fixture of backlight source and defect detection equipment using same |
| CN104635363B (en) * | 2015-03-11 | 2017-08-11 | 京东方光科技有限公司 | The lighting jig of backlight and apply its Defect Detection equipment |
| CN109570893A (en) * | 2018-12-24 | 2019-04-05 | 海盐宏拓五金有限公司 | A kind of casing fast welding tooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103698913B (en) | 2016-05-04 |
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