CN103698913B - A kind of backlight lighting jig - Google Patents
A kind of backlight lighting jig Download PDFInfo
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- CN103698913B CN103698913B CN201310701276.8A CN201310701276A CN103698913B CN 103698913 B CN103698913 B CN 103698913B CN 201310701276 A CN201310701276 A CN 201310701276A CN 103698913 B CN103698913 B CN 103698913B
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- connection bracket
- backlight
- lighting jig
- backlight lighting
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Abstract
The invention provides a kind of backlight lighting jig, comprise a body, on body, be provided with: for placing the holding part of backlight; Can or separate with the circuit board contact of backlight, to make the circuit board energising of backlight or the conductive part of power-off; Can control the power switch of the on off operating mode of conductive part and external power source; Backlight lighting jig also comprises: the connection bracket that can move back and forth along first direction; The pressure head moving back and forth for control connection support; Can under driving, connection bracket move back and forth along first direction, to control the switch adjusting rod of folding condition of power switch; And, can under driving, connection bracket move back and forth along first direction, and with the pressing parts of controlling the circuit board of backlight and the contact of conductive part or separating, switch adjusting rod and pressing parts are all arranged in connection bracket. Backlight lighting jig provided by the present invention can reduce the operational motion in the process of lighting a lamp, and increases work 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, forCan get uniform backlight, make the brightness of LCD Panel even, generally need backlight lightingThe optical property of tool test backlight, thus relative position and the angle of definite backlight and light source make certainlyBriliancy, angle and the uniformity of backlight ejaculation light meets the demand of LCDs.
Traditional backlight lighting jig comprises the holding part for placing backlight at present; Power switch; ByPower switch control, with the conductive part of external power source electric connection or disconnection; And, soft for by backlightProperty circuit board be pressed on conductive part, with what the flexible PCB of conductive part and backlight is realized be electrically connectedPressing arm.
In prior art, be generally manually pressing arm to be pressed down, the flexible PCB of backlight is compressedOn conductive part, then turn on the power switch, on the flexible PCB of backlight, switch on, make source point backlightBright, after lighting a lamp and finishing, then powered-down switch, then lifts pressing arm, completes backlightTest. Adopt this traditional backlight lighting jig, the whole motion action of lighting a lamp is frequent, and, mayUnderstand because livewire work appears in artificial problem, and cause the damage of flexible PCB.
Be on 07 27th, 2011 on open, in the Chinese patent that publication number is CN201909918U,Disclose a kind of liquid crystal panel detection device, comprised pedestal, on pedestal, be provided with for fixing backlight and faceThe groove of plate, is also provided with fixed bar, is provided with the pressure head for fixing flexible circuit board on this fixed bar,The pressure connection terminal of pressure head is relative with the panel in groove, thereby can make the terminal lead on panel and flexibilityThe direct crimping contact of golden finger on circuit board, can carry out lighting test without ACF binding. But shouldThe problems such as device still exists operation inconvenience, and operating efficiency is not high.
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 and light a lampOperational motion in journey, increases work efficiency.
Technical scheme provided by the present invention is as follows:
A kind of backlight lighting jig, comprises a body, on described body, is provided with:
For placing the holding part of backlight;
Can or separate with the circuit board contact of backlight, to make the circuit board energising of backlight or power-offConductive part;
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 described electricityThe switch adjusting rod of the folding condition of source switch; And,
Can under driving, described connection bracket move back and forth along described first direction, to control backlightCircuit board and the contact of conductive part or the pressing parts that separate, described switch adjusting rod and described pressing partsAll be arranged in described connection bracket.
Further, described backlight lighting jig also comprises the direction of motion for guiding described connection bracketGuide portion.
Further, described guide portion comprises at least one slide bar, and described slide bar is along described first direction settingOn described body; 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 be in described bullportMove back and forth along described slide bar.
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 be by described theOne through hole reciprocatingly slides on described depression bar;
Be arranged at the first end of described depression bar, for the circuit board of backlight is pressed on described light guide sectionPress head;
Be arranged between described connection bracket and described press head, in described connection bracket along described depression barWhile slip to the first end direction of described depression bar, to the elastic parts that applies thrust on described press head;
And, be arranged at the second end of described press head, in described connection bracket along described depression bar to instituteState depression bar second extreme direction slide time, described connection bracket is carried out spacing, to make described connection bracketThe limiting section that can drive described depression bar to move.
Further, described elastic parts comprises and is arranged between described connection bracket and described press headOne spring, 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 screwed hole; Described switch adjusting rod spinning is in describedIn screwed hole.
Further, described backlight lighting jig also comprises for described connection bracket is arranged to describedFixed mount on 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 fixedIn described connection bracket; And,
Be arranged between described fixed bar and described body, the described connection bracket after pressing down can be answeredThe second spring of position.
Further, on described body, be provided with at least two described holding parts, and establish in described connection bracketBe equipped 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, due to the switch adjusting rod of pushing power switch and the pressing of pressing the circuit board of backlightParts all can be driven down and be moved back and forth by connection bracket, therefore, while pressing down connection bracket, switchAdjusting rod can control power switch closure, and pressing parts can, by pressing down the circuit board of backlight, makeThe circuit board of backlight contacts with conductive part and switches on, and backlight is lighted; While lifting connection bracket, switch is adjustedPole can be controlled power switch and open, and pressing parts can unclamp the circuit board of backlight, makes backlightCircuit board and current-carrying part from and power-off. As can be seen here, backlight lighting jig energy provided by the present inventionEnough operational motions of lighting a lamp in process that reduces, increase work efficiency.
Brief description of the drawings
Fig. 1 is the overall structure signal of backlight lighting jig provided by the present invention while not placing backlightFigure;
Fig. 2 is the structural representation of backlight lighting jig provided by the present invention in the time 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.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example is only for explaining thisBright, be 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 providesA 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, instituteState on body 10 and be provided with:
For placing the holding part 101 of backlight 200;
Can contact or separate with the circuit board of backlight 200 201, to make the circuit board of backlight 200The conductive part 102 of 201 energisings 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 controlState the switch adjusting rod 40 of the folding condition of power switch 103; And,
Can under driving, described connection bracket 20 move back and forth along described first direction, to control the back of the bodyThe circuit board 201 of light source 200 and the contact of conductive part 102 or the pressing parts 50 that separate, described switchAdjusting rod 40 and described pressing parts 50 are all arranged in described connection bracket 20.
Adopt such scheme, due to the switch adjusting rod 40 of pushing power switch 103 with press backlight 200The pressing parts 50 of circuit board 201 move back and forth under all can driving by connection bracket 20, because ofThis, while pressing down connection bracket 20, switch adjusting rod 40 can control power switch 103 closures, and pressesClose parts 50 and can will press down the circuit board 201 of backlight 200, make the circuit board 201 of backlight 200Contact with conductive part 102 and switch on, backlight 200 is lighted; While lifting connection bracket 20, switch regulatesBar 40 can be controlled power switch 103 and open, and pressing parts 50 can unclamp the circuit board of backlight 200201, the circuit board 201 of backlight 200 is separated and power-off with conductive part 102. As can be seen here, originallyThe backlight lighting jig that invention provides 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 can move up and down taking connection bracket 20 explanation of carrying out as example.
In the present embodiment, preferred, described backlight lighting jig also comprises for guiding described connection bracketThe guide portion of 20 the direction of motion. Further preferred, as shown in Figures 1 to 4, described guide portion bagDraw together at least one slide bar 60, described slide bar 60 is arranged on described body 10 along described first direction; InstituteState and in 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 be at described bullportInteriorly move back and forth along described slide bar 60.
As shown in Figures 1 to 4, in the present embodiment, this guide portion can comprise two slide bars 60 and twoIndividual bullport, pressure head 30 is arranged at two positions between slide bar 60, can ensure connection bracket 20Slip reliability. Certainly in actual applications, the structure of guide portion can be also to adopt other modes, slide bar60 quantity and position also can be adjusted according to actual needs.
In addition, in the present embodiment, preferred, as shown in Figures 1 to 4, described slide bar 60 with described in drawBetween guide hole, be provided with sliding bearing 70. By sliding bearing 70 is set, be convenient to slide bar 60 and connection bracket20 carry out relative sliding.
In addition, in the prior art, often can be due to artificial origin in the time lighting a lamp end, first by backlight200 flexible PCB 201 unclamps with conductive part 102, then the phenomenon that power switch 103 is opened, alsoBe exactly the phenomenon of livewire work, can cause like this flexible PCB 201 of backlight 200 to damage. In order to keep awayExempt from livewire work phenomenon and occur, in the present embodiment, as shown in Fig. 3,4 and 5, preferred, described connectionOn support 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 canReciprocatingly slide on described depression bar 501 by described the first through hole;
Be arranged at the first end of described depression bar 501, for the circuit board of backlight 200 201 is pressed on to instituteState the press head 502 on light guide section;
Be arranged between described connection bracket 20 and described press head 502, in described connection bracket 20When first end direction along from described depression bar 501 to described depression bar 501 is slided, on described press head 502, executeAdd the elastic parts 503 of thrust;
And, be arranged at the limiting section 504 of the second end of described press head 502, shown in limiting section 504 useIn the time that 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, to make described connection bracket 20 can drive described depression bar 501Mobile.
Adopt such scheme, the length adjustment of switch adjusting rod 40 and depression bar 501, to correct position, is madeObtain switch adjusting rod 40 is less than depression bar 501 limiting section 504 to the relative distance between power switch 103To the distance between the flexible PCB 201 of backlight 200.
While lighting a lamp, press down pressure head 30, connection bracket 20 moves down, and switch adjusting rod 40 moves down and contacts alsoLower piezoelectric source switch 103, switches on conductive part 102, and then connection bracket 20 continues to move down, and connectsRelative sliding between support 20 and depression bar 501, is arranged at the bullet between press head 502 and connection bracket 20Property assembly 503 starts to press head 502 to apply downforce, makes the flexible PCB 201 of backlight 200Contact with conductive part 102, backlight 200 is lit;
Light a lamp while end, lift pressure head 30, in connection bracket 20, move, drive on switch adjusting rod 40 and move,Switch adjusting rod 40 unclamps power switch 103, conductive part 102 power-off, connection bracket 20 and depression bar 501Between relative sliding, depression bar 501 is not lifted, then connection bracket 20 is moved on continuing, until connectWhen frame 20 moves to the position of limiting section 504, depression bar 501 is connected support 20 and drives, and unclamps backlight200 flexible PCB 201, the flexible PCB 201 of backlight 200 separates with conductive part 102.As can be seen here, the backlight lighting jig that the present embodiment provides can be avoided livewire work.
In the present embodiment, preferred, as shown in Figures 1 to 5, described elastic parts 503 comprises and being arranged atThe first spring between described connection bracket 20 and described press head 502, described the first spring housing is loaded on instituteState on depression bar 501. Certainly can understand, in actual applications, described elastic parts 503 is also passableAdopt other structures, will not enumerate at this.
In addition, in the present embodiment, preferred, as shown in Figures 1 to 5, described limiting section 504 comprises and revolvingBe loaded on the stop nut of the second end of described depression bar 501. Adopt such scheme, can adjust stop nutPosition. Certainly can understand, in actual applications, described limiting section 504 also can adopt other knotsStructure, does not limit the structure of limiting section 504 at this.
In addition, in the present embodiment, preferred, as shown in Figures 1 to 5, in described connection bracket 20, go backBe provided with screwed hole; Described switch adjusting rod 40 spinnings are in described screwed hole. Adopt such scheme, canSo that the relative distance between switch adjusting rod 40 and power switch 103 is adjusted. Certainly, switch is adjustedPole 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 alsoComprise 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 inFixed bar 71 is fixed in described connection bracket 20; And,
Be arranged between described fixed bar 71 and described body 10, can be by the described connection bracket after pressing down20 the second spring (not shown)s that reset.
In addition, it should be noted that, as shown in Figure 1, in preferred embodiment provided by the present invention, described inOn body 10, be provided with two described holding parts 101, and be provided with described in two in described connection bracket 20Pressing parts 50, described in each, described in pressing parts 50 correspondences one, holding part 101 arranges. Adopt above-mentioned sideCase can detect two backlights 200 by a backlight lighting jig simultaneously. Certainly at thisThe 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, described appearanceThe both sides of putting portion 101 are provided with opening 1011.
In addition, also it should be noted that, in the present invention, conductive part 102 can be to be arranged at backlight 200The structure such as copper-clad plate of flexible PCB 201 belows.
In addition, backlight lighting jig provided by the present invention also comprises circuit control panel 80, as figure instituteBe shown the schematic diagram for circuit control panel. On circuit control panel 80, can be provided with:
Power supply input socket 81, it is the input socket of 12V dc source;
Current regulating valve 82, it is the control 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, universal meter shows reading; And,
Power supply indicator 84, described power supply indicator lights expression conductive part 102 and has powered.
The above is the preferred embodiment of the present invention, it should be pointed out that the common skill for the artArt personnel, 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 or separate with the circuit board contact of backlight, to make the circuit board energising of backlight or power-offConductive part;
Can control the power switch of the on off operating mode of described conductive part and external power source;
Pressure head;
For the pressing parts of controlling the circuit board of backlight and the contact of conductive part or separating;
It is characterized in that, described backlight lighting jig also comprises:
Can be under described pressure head control, the connection bracket moving back and forth along first direction;
Can under driving, described connection bracket move back and forth along described first direction, to control described electricityThe switch adjusting rod of the folding condition of source switch;
Wherein, described pressing parts can carry out back and forth along described first direction under described connection bracket drivesMobile, to control the circuit board of backlight and the contact of conductive part or to separate, described switch adjusting rod and described inPressing 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 the guide portion of the direction of motion for guiding 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 at described body along described first directionOn; 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 be in described bullportMove back and forth along described slide bar.
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 be by described theOne through hole reciprocatingly slides on described depression bar;
Be arranged at the first end of described depression bar, for the circuit board of backlight is pressed on described light guide sectionPress head;
Be arranged between described connection bracket and described press head, in described connection bracket along described depression barWhile slip to the first end direction of described depression bar, to the elastic parts that applies thrust on described press head;
And, be arranged at the second end of described press head, in described connection bracket along described depression bar to instituteState depression bar second extreme direction slide time, described connection bracket is carried out spacing, to make described connection bracketThe limiting section that 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, instituteStating 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 bagDraw together spinning in the stop nut of the second end of described depression bar.
8. backlight lighting jig according to claim 1, is characterized in that, described connection bracketOn be also provided with screwed hole; Described switch adjusting rod spinning is in described screwed 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 consolidating on described bodyDetermine frame; 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 fixedIn described connection bracket; And,
Be arranged between described fixed bar and described body, the described connection bracket after pressing down can be answeredThe second spring of position.
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 be provided with at least two in described connection bracketIndividual 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 CN103698913A (en) | 2014-04-02 |
| CN103698913B true 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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| Country | Link |
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| CN (1) | CN103698913B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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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 |
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| CN103698913A (en) | 2014-04-02 |
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