CN202916074U - A backlight lighting tool - Google Patents
A backlight lighting tool Download PDFInfo
- Publication number
- CN202916074U CN202916074U CN 201220645386 CN201220645386U CN202916074U CN 202916074 U CN202916074 U CN 202916074U CN 201220645386 CN201220645386 CN 201220645386 CN 201220645386 U CN201220645386 U CN 201220645386U CN 202916074 U CN202916074 U CN 202916074U
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- CN
- China
- Prior art keywords
- backlight
- pressing arm
- flexible pcb
- conductive unit
- power switch
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a backlight lighting tool comprising a body. The body comprises a connection structure used for placing a backlight, a conductive unit connected with an external power supply via a power switch, a flexible circuit board used for compacting the backlight, a pressing arm used for electrically connecting the conductive unit with the flexible circuit board of the backlight, and a pressing arm automatic control structure used for controlling the pressing arm to automatically compacting or loosening the flexible circuit board of the backlight according to the opening and closing state of the power switch. The pressing arm automatic control structure is connected with the pressing arm. The beneficial effects of the backlight lighting tool are that when the power switch is closed, the pressing arm automatically compacts the flexible circuit board of the backlight so as to electrically connect the flexible circuit board of the backlight with the conductive unit and to light on the backlight, and that when the power switch is opened, the pressing arm automatically loosens the flexible circuit board of the backlight so as to prevent generation of a phenomenon that the flexible circuit board of the backlight is damaged because the backlight is detached by an operating worker under a condition that the pressing arm is not loosened.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relates 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 obtain uniform backlight, make the brightness of LCD Panel even, the optical property that generally needs backlight lighting jig test backlight group, thereby determine relative position and the angle of backlight module and light source, make the demand that satisfies LCDs from briliancy, angle and the uniformity coefficient of backlight module ejaculation light.
The mode of lighting a lamp at present traditional small-medium size LED-backlit source all is terminal plug or shell fragment pressing.Wherein, in shell fragment pressing lighting jig, generally be manually the pressing arm to be depressed, then turn on the power switch, make backlight light (status indicator lamp of lighting a lamp is bright); Light a lamp finish after powered-down again, then the pressing arm is lifted.Be that the whole action of lighting a lamp is too loaded down with trivial details like this, if close at a lamp switch, the backlight lighting status indicator lamp does not work, the pressing arm is in the situation of stitching state, and operator is easily picked up backlight by mistake, at this time just easily causes the FPC on the backlight to damage.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of backlight lighting jig, and the light on and off of backlight lighting status indicator lamp and the opening and closing of pressing arm are carried out synchronously.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of backlight lighting jig, comprise body, and described body also comprises:
Be used for arranging the syndeton of backlight;
The conductive unit that is connected with external power source by power switch;
Be used for compressing the flexible PCB of backlight, so that the pressing arm that described conductive unit is electrically connected with the flexible PCB of backlight;
Described body also comprises for controlling described pressing arm automatic impaction according to the folding condition of described power switch or unclamping the pressing arm automatic control structure of the flexible PCB of backlight, is connected with described pressing arm.
Further, described pressing arm automatic control structure comprises:
With the spiral winding that described power switch is connected, be arranged on the bottom of described body, and the position is corresponding with the position of described conductive unit;
Be used for compressing under the magneticaction of described spiral winding the flexible PCB of backlight, so that the metallic briquette that described conductive unit is electrically connected with the flexible PCB of backlight, described metallic briquette is arranged on the described pressing arm;
Be used for the resetting means that described pressing arm resets, be arranged between described body and the described pressing arm.
Further, described metallic briquette is corresponding with the position of the contacted position of the flexible PCB of backlight and described conductive unit.
Further, be used on the described metallic briquette being provided with the impaired safeguard structure of the flexible PCB that prevents backlight with the contacted surface of contact of the flexible PCB of backlight.
Further, described safeguard structure is the rubber sleeve that is coated on described metallic briquette outside surface.
Further, described resetting means is back-moving spring.
Further, described conductive unit comprises the sheet metal that is arranged on the described body, be provided with the crack in the middle of the described sheet metal, described crack is divided into positive polar region and negative pole district with the both sides of described sheet metal, and the positive polar region of described sheet metal is connected with the negative pole district with the positive polar region of described external power source and is connected with the negative pole district.
The beneficial effects of the utility model are: when power switch is closed, and the flexible PCB of pressing arm automatic impaction backlight, so that the flexible PCB of backlight is electrically connected with conductive unit, backlight is lighted simultaneously; When power switch is opened, the backlight lighting status indicator lamp goes out, simultaneously pressing arm unclamps the flexible PCB of backlight automatically, avoids because operator does not unclamp at the pressing arm and just takes off backlight, thus the generation of the phenomenon of damage backlight flexible PCB; Simultaneously pressing arm automatic impaction or unclamp the flexible PCB of backlight is increased work efficiency.
Description of drawings
Fig. 1 represents the utility model structural representation;
View when Fig. 2 represents that the utility model backlight is not lit a lamp;
Fig. 3 represents the utility model backlight lighting view.
Embodiment
Below in conjunction with accompanying drawing structure of the present utility model and principle are elaborated, illustrated embodiment only is used for explaining the utility model, is not to limit protection domain of the present utility model with this.
As depicted in figs. 1 and 2, a kind of backlight lighting jig comprises body 1, and described body 1 also comprises:
Be used for arranging the syndeton of backlight 6;
The conductive unit that is connected with external power source by power switch 2;
Be used for compressing the flexible PCB 61 of backlight 6, so that the pressing arm 4 that described conductive unit is electrically connected with the flexible PCB 61 of backlight;
Described body 1 also comprises for controlling described pressing arm 4 automatic impactions according to the folding condition of described power switch 2 or unclamping the pressing arm automatic control structure of the flexible PCB 61 of backlight 6, is connected with described pressing arm 4.
Adopt said structure so that the light on and off of the status indicator lamp 3 of lighting a lamp of the opening and closing of pressing arm 4 and backlight 6 are synchronous, avoid because operator does not unclamp at pressing arm 4 and just takes off backlight 6, thus the generation of the phenomenon of damage backlight 6 flexible PCBs 61; Simultaneously pressing arm 4 automatic impactions or unclamp the flexible PCB 61 of backlight 6 are increased work efficiency.
During power switch 2 closure, the flexible PCB 61 of pressing arm 4 automatic impaction backlights 6, so that the flexible PCB 61 of backlight 6 is electrically connected with conductive unit, the status indicator lamp 3 of lighting a lamp simultaneously is bright; When power switch 2 is opened, the status indicator lamp 3 of lighting a lamp goes out, simultaneously pressing arm 4 unclamps the flexible PCB 61 of backlight 6 automatically, avoids because operator does not unclamp at pressing arm 4 and just takes off backlight 6, thus the generation of the phenomenon of damage backlight 6 flexible PCBs 61.
The version of described pressing arm automatic control structure can have multiple, and the version of preferred pressing arm automatic control structure is as follows in the present embodiment:
Described pressing arm automatic control structure comprises:
With the spiral winding 7 that described power switch 2 is connected, be arranged on the bottom of described body 1, and the position is corresponding with the position of described conductive unit;
Be used for compressing under the magneticaction of described spiral winding 7 flexible PCB 61 of backlight 6, so that the metallic briquette 8 that described conductive unit is electrically connected with the flexible PCB 61 of backlight 6, described metallic briquette 8 is arranged on the described pressing arm 4;
Be used for the resetting means that described pressing arm 4 resets, be arranged between described body 1 and the described pressing arm 4.
Preferably, described resetting means is back-moving spring 5.
When power switch 2 was closed, not energising of spiral winding 7 did not have magnetic, and this moment, back-moving spring 5 was in the state that nature is upheld, and pressing arm 4 is in open configuration, and this moment, backlight 6 also was in not "on" position; When power switch 2 is opened, spiral winding 7 energisings, has certain magnetic, metallic briquette 8 on the pressing this moment arm 4 is subject to the attraction of spiral winding 7 magnetic force, traction pressing arm 4, the flexible PCB 61 of backlight is pressed together on the conductive unit place, makes backlight light (status indicator lamp 3 of lighting a lamp is bright).
Preferably, the flexible PCB 61 contacted positions of described metallic briquette 8 and backlight 6 and the position of described conductive unit are corresponding, prevent the loose contact of flexible PCB 61 and described conductive unit.
Preferably, be used on the described metallic briquette 8 being provided with the flexible PCB 61 impaired safeguard structures that prevent backlight 6 with the flexible PCB 61 contacted surface of contact of backlight 6.Prevent that described metallic briquette 8 from directly contacting with the flexible PCB 61 of backlight 6, and to flexible PCB 61 injuries.
Preferably, described safeguard structure is the rubber sleeve that is coated on described metallic briquette 8 outside surfaces.
Should be noted that; the version of described safeguard structure has multiple; be not limited with the such sleeve-like structure of rubber sleeve, and the outside surface of described metallic briquette 8 can also arrange the safeguard structure that other soft materials are made, as long as realize that protection flexible PCB 61 is not damaged.
Preferably, described conductive unit comprises the sheet metal that is arranged on the described body 1, be provided with the crack in the middle of the described sheet metal, described crack is divided into positive polar region and negative pole district with the both sides of described sheet metal, and the positive polar region of described sheet metal is connected with the negative pole district with the positive polar region of described external power source and is connected with the negative pole district.
In the present embodiment, the backlight lighting jig use procedure is specific as follows:
The above is the utility model preferred embodiment; should be pointed out that to those skilled in the art, under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as the utility model protection domain.
Claims (7)
1. a backlight lighting jig comprises body, and described body also comprises:
Be used for arranging the syndeton of backlight;
The conductive unit that is connected with external power source by power switch;
Be used for compressing the flexible PCB of backlight, so that the pressing arm that described conductive unit is electrically connected with the flexible PCB of backlight;
It is characterized in that, described body also comprises for controlling described pressing arm automatic impaction according to the folding condition of described power switch or unclamping the pressing arm automatic control structure of the flexible PCB of backlight, is connected with described pressing arm.
2. backlight lighting jig according to claim 1 is characterized in that, described pressing arm automatic control structure comprises:
With the spiral winding that described power switch is connected, be arranged on the bottom of described body, and the position is corresponding with the position of described conductive unit;
Be used for compressing under the magneticaction of described spiral winding the flexible PCB of backlight, so that the metallic briquette that described conductive unit is electrically connected with the flexible PCB of backlight, described metallic briquette is arranged on the described pressing arm;
Be used for the resetting means that described pressing arm resets, be arranged between described body and the described pressing arm.
3. backlight lighting jig according to claim 2 is characterized in that, described metallic briquette is corresponding with the position of the contacted position of the flexible PCB of backlight and described conductive unit.
4. backlight lighting jig according to claim 2 is characterized in that, is used on the described metallic briquette being provided with the impaired safeguard structure of the flexible PCB that prevents backlight with the contacted surface of contact of the flexible PCB of backlight.
5. backlight lighting jig according to claim 4 is characterized in that, described safeguard structure is the rubber sleeve that is coated on described metallic briquette outside surface.
6. backlight lighting jig according to claim 2 is characterized in that, described resetting means is back-moving spring.
7. each described backlight lighting jig according to claim 1-6, it is characterized in that, described conductive unit comprises the sheet metal that is arranged on the described body, be provided with the crack in the middle of the described sheet metal, described crack is divided into positive polar region and negative pole district with the both sides of described sheet metal, and the positive polar region of described sheet metal is connected with the negative pole district with the positive polar region of described external power source and is connected with the negative pole district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645386 CN202916074U (en) | 2012-11-29 | 2012-11-29 | A backlight lighting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645386 CN202916074U (en) | 2012-11-29 | 2012-11-29 | A backlight lighting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916074U true CN202916074U (en) | 2013-05-01 |
Family
ID=48164379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645386 Expired - Lifetime CN202916074U (en) | 2012-11-29 | 2012-11-29 | A backlight lighting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916074U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645035A (en) * | 2013-12-12 | 2014-03-19 | 京东方科技集团股份有限公司 | Lighting fixture |
| CN104483766A (en) * | 2014-12-30 | 2015-04-01 | 合肥京东方光电科技有限公司 | Backlight source lighting jig |
| CN105487265A (en) * | 2016-01-07 | 2016-04-13 | 京东方科技集团股份有限公司 | Lighting jig for backlight |
| CN106896537A (en) * | 2017-02-23 | 2017-06-27 | 京东方科技集团股份有限公司 | A kind of lighting jig |
| CN108981770A (en) * | 2018-05-28 | 2018-12-11 | 合肥京东方显示光源有限公司 | A kind of inspection light assembly |
| CN109305407A (en) * | 2017-07-28 | 2019-02-05 | 盐城三鼎电子科技有限公司 | A kind of light-emitting surface detection station jig film covering device |
-
2012
- 2012-11-29 CN CN 201220645386 patent/CN202916074U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645035A (en) * | 2013-12-12 | 2014-03-19 | 京东方科技集团股份有限公司 | Lighting fixture |
| CN103645035B (en) * | 2013-12-12 | 2016-03-02 | 京东方科技集团股份有限公司 | A kind of lighting jig |
| CN104483766A (en) * | 2014-12-30 | 2015-04-01 | 合肥京东方光电科技有限公司 | Backlight source lighting jig |
| CN105487265A (en) * | 2016-01-07 | 2016-04-13 | 京东方科技集团股份有限公司 | Lighting jig for backlight |
| CN105487265B (en) * | 2016-01-07 | 2019-03-05 | 京东方科技集团股份有限公司 | A kind of backlight lighting jig |
| CN106896537A (en) * | 2017-02-23 | 2017-06-27 | 京东方科技集团股份有限公司 | A kind of lighting jig |
| CN106896537B (en) * | 2017-02-23 | 2020-04-14 | 京东方科技集团股份有限公司 | Lighting jig |
| CN109305407A (en) * | 2017-07-28 | 2019-02-05 | 盐城三鼎电子科技有限公司 | A kind of light-emitting surface detection station jig film covering device |
| CN108981770A (en) * | 2018-05-28 | 2018-12-11 | 合肥京东方显示光源有限公司 | A kind of inspection light assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |