CN103499894A - Signal line connector and display panel detection device and method - Google Patents
Signal line connector and display panel detection device and method Download PDFInfo
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- CN103499894A CN103499894A CN201310500528.0A CN201310500528A CN103499894A CN 103499894 A CN103499894 A CN 103499894A CN 201310500528 A CN201310500528 A CN 201310500528A CN 103499894 A CN103499894 A CN 103499894A
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Abstract
The invention relates to the technical field of display device manufacturing, in particular to a signal line connector and a display panel detection device and method. The signal line connector comprises a first carrying plate provided with a first wiring area, and a pressing structure used for enabling a second wiring area arranged on a second carrying plate led out of a display panel to be pressed and fixed to the first wiring area. Compared with a clamping type connector in the prior art, the signal line connector has the advantages that the signal line connector or the second carrying plate can not be damaged even under the condition that the alignment is not accurate, and due to the fact that the alignment only needs to be conducted in the direction perpendicular to the signal line connector, the work difficulty is greatly lowered, the work hours are shortened, and the efficiency of detecting the faults of the liquid crystal display panel is improved. Meanwhile, due to the fact that plugging and unplugging do not need to be frequently conducted, the fault rate is effectively lowered, and the service life of the signal line connector is prolonged.
Description
Technical field
The present invention relates to the display device preparing technical field, be specifically related to a kind of signal wire connector, comprise the display panel testing of this signal wire connector and the display panel testing method of realizing according to this signal wire connector.
Background technology
Flat-panel monitor compare with traditional cathode-ray tube display have frivolous, driving voltage is low, there is no the advantages such as flashing and long service life; Flat-panel monitor is divided into active illuminating display and passive active display; For example, thin-film transistor LCD device (Thin Film Transistor-Liquid Crystal Display, TFT-LCD) be exactly a kind of passive active display, because it has that picture is stable, image fidelity, elimination radiation, save space and save the advantages such as energy consumption, be widely used in, in the electronic products such as TV, mobile phone, display, having occupied the leading position in demonstration field, plane.
In the manufacture process of liquid crystal indicator, mainly be divided into array (Array), color film (Color Filter), become box (Cell) and module (Module) production technology.Each production phase at liquid crystal indicator will test many times, for example, some modules will drive chip manufacturing on glass substrate, be COG(Chip On Glass, pasting chip on glass substrate) product, in the module production technology, need to carry out lighting test to the COG product, utilize different LVDS(Low Voltage Differential Signaling, Low Voltage Differential Signal) signal, by the FPC(Flexible Printed Circuit drawn from display panels, flexible PCB) input display panels to be detected, by detecting the light a lamp picture of display panels under different LVDS signals, whether exist defect to get rid of bad product, promote the yield of liquid crystal indicator.
In display panels detection technique field, above-mentioned LVDS signal input refers to uses signal wire and signal wire connector, and the LVDS signal is input on display panels.As shown in fig. 1, for signal wire connector commonly used in prior art, this signal wire connector comprises clamp-close type connector 5, be provided with the first Wiring area 11 in clamp-close type connector 5, the the second support plate 2(drawn from display panels is as flexible PCB etc.) be provided with accordingly the second Wiring area 21(for convenience of showing, in diagram, be the front structure of flexible PCB upset in the grafting process); After flexible PCB is accurately inserted to clamp-close type connector 5, the first Wiring area 11 in the second Wiring area 21 on flexible PCB and clamp-close type connector 5 is realized being electrically connected to, and then the LVDS signal is inputed to display panels by this signal wire connector carries out defects detection.
Yet, due to must be after contraposition, flexible PCB accurately could be pegged graft into the clamp-close type connector, but, in the clamp-close type connector, contraposition slightly has error, in the process of pegging graft, can cause the damage of flexible PCB or clamp-close type connector, therefore for aligning accuracy, require very high, need to carry out contraposition on all directions of clamp-close type connector, cause task difficulty very large, the activity duration is longer.Simultaneously, because needs plug frequently, so the serviceable life of clamp-close type connector is usually shorter, and be only 100 left and right average life, and failure rate is very high, has affected greatly the efficiency that defects of liquid crystal display panel is detected.
In sum, the signal wire connector of low, the failure rate is low of a kind of task difficulty and longer service life urgently provides.
Summary of the invention
(1) technical matters that will solve
The object of the present invention is to provide that a kind of task difficulty is low, the signal wire connector of failure rate is low and longer service life; Further the present invention also provides a kind of application display panel testing and detection method that this signal wire connector is realized.
(2) technical scheme
Technical solution of the present invention is as follows:
A kind of signal wire connector comprises:
Be provided with the first support plate of the first Wiring area; And,
The pressing structure that the second Wiring area arranged for the second support plate that will draw from display panel and described the first Wiring area pressing are fixing.
Preferably, be provided with the locating slot with described the second support plate width adaptation on described the first support plate, described the first Wiring area is arranged on described locating slot bottom.
Preferably, described pressing structure comprises the first lever that is positioned at described the first support plate top, the fulcrum of described the first lever is the first support column be arranged on described the first support plate, and the resistance end of described the first lever is provided with for the pressing plate by described the first Wiring area and the second Wiring area pressing.
Preferably, be provided with a plurality of described the first Wiring areas on described the first support plate.
Preferably, described the first lever can turn at the plane internal rotation parallel with described the first support plate.
Preferably, described pressing structure also comprises the second lever that is positioned at described the first support plate top, and the fulcrum of described the second lever is the second support column be arranged on described the first support plate, and the resistance end of described the second lever and the power end of described the first lever are hinged.
Preferably, described the second support plate is flexible PCB.
Preferably, described signal wire connector is for transmitting Low Voltage Differential Signal.
The present invention also provides a kind of display panel testing that comprises above-mentioned any one signal wire connector.
The present invention also provides a kind of display panel testing method of realizing according to above-mentioned any one signal wire connector:
A kind of display panel testing method comprises step:
By the second Wiring area on described the second support plate and described the first Wiring area contraposition;
By described laminating mechanism by first wire area the second Wiring area pressing;
Input detection signal by described signal wire connector to display panel.
(3) beneficial effect
The signal wire connector that the embodiment of the present invention provides, by laminating mechanism is set, utilize laminating mechanism, the second Wiring area that the second support plate that will draw from display panel arranges be arranged on the pressing of the first Wiring area pressing on the first support plate, thereby realize the electrical connection of the first Wiring area and the second Wiring area; Than clamp-close type connector of the prior art, even in the inaccurate situation of contraposition, can not cause the damage of signal wire connector or the second support plate yet, and get final product owing to only need carrying out contraposition in the direction vertical with the signal wire connector, therefore decrease task difficulty, shorten the activity duration, promoted the efficiency that defects of liquid crystal display panel is detected; Simultaneously, owing to plugging frequently, so failure rate obtained effectively reducing, and extended the serviceable life of signal wire connector.
The accompanying drawing explanation
Fig. 1 is the structural representation of signal wire connector in prior art;
Fig. 2 is a kind of implementation structure schematic diagram of signal wire connector in the embodiment of the present invention;
Fig. 3 is the another kind of implementation structure schematic diagram of signal wire connector in the embodiment of the present invention.
In figure: 1: the first support plate; 11: the first Wiring areas; 13: signal input; 2: the second support plates; 21: the second Wiring areas; 3: the first levers; 31: the first support columns; 32: pressing plate; 4: the second levers; 41: the second support columns; 5: the clamp-close type connector.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described further.Following examples are only for the present invention is described, but are not used for limiting the scope of the invention.
At first a kind of signal wire connector is provided in the present embodiment, and as shown in Figure 2, this signal wire connector mainly comprises the first support plate 1 and laminating mechanism; The the second support plate 2(drawn from display panel for example, the second support plate can be flexible PCB, can be also the circuit board etc. of other types) on be provided with the second Wiring area 21(for convenience of showing, in diagram, be the structure before the flexible PCB upset in the grafting process), correspondingly, the wiring that is provided with the first Wiring area 11, the first Wiring areas 11 and the second Wiring area 21 on the first support plate 1 is mated fully, also is provided with the signal input 13 for accessing detection signal on the first support plate 1; Laminating mechanism is used in the display panel testing process, in the time of directly over the second Wiring area 21 moves to the first Wiring area 11, the first Wiring area 11 and the second Wiring area 21 pressings are fixed, realize the electrical connection of the first Wiring area 11 and the second Wiring area 21, thereby make the detection signal of LVDS signal or other types to be input in display panel and to carry out defects detection by the signal wire connector.Than clamp-close type connector of the prior art, even the signal wire connector in the present embodiment is in the inaccurate situation of contraposition, can not cause the damage of signal wire connector or the second support plate 2 yet, and get final product owing to only need carrying out contraposition in the direction vertical with the signal wire connector, therefore decrease task difficulty, shorten the activity duration, promoted the efficiency that defects of liquid crystal display panel is detected; Simultaneously, owing to plugging frequently, so failure rate obtained effectively reducing, and extended the serviceable life of signal wire connector.
Cause loose contact for fear of between the first Wiring area 11 in testing process and the second Wiring area 21, skew occurring, also on the first support plate 1, be provided with locating slot in the present embodiment, the width adaptation of the width of locating slot and the second support plate 2, and the first Wiring area 11 is arranged on the locating slot bottom; Guarantee that by laminating mechanism the first Wiring area 11 and the second Wiring area 21 keep in touch in vertical direction, guarantee by locating slot not to be offset on the horizontal direction of the first Wiring area 11 and the second Wiring area 21, thereby guaranteed the reliability that the first Wiring area 11 is electrically connected to the second Wiring area 21.
A kind of specific implementation of above-mentioned laminating mechanism also is provided in the present embodiment; For example, pressing structure in the present embodiment comprises the first lever 3 that is positioned at the first support plate 1 top, the fulcrum of the first lever 3 is that the resistance end that is arranged on the first support column 31, the first levers 3 on the first support plate 1 is provided with for the pressing plate 32 by the first Wiring area 11 and the second Wiring area 21 pressings.In the testing process of lighting a lamp, by promoting the power end of the first lever 3, thereby the resistance end of the first lever 3 is pressed down, and then drive is arranged on the pressing plate 32 of the first lever 3 resistance ends by the first Wiring area 11 and the second Wiring area 21 pressings; After the detection of lighting a lamp finishes, by pressing down the power end of the first lever 3, thereby the resistance end of the first lever 3 is promoted, and then drive pressing plate 32 liftings that are arranged on the first lever 3 resistance ends, the first Wiring area 11 separates with the second Wiring area 21.
Further, the quantity of above-mentioned the first Wiring area 11 can have a plurality of; By a plurality of the first Wiring areas 11 are set on the first support plate 1, thereby can utilize the different different detection signals of the first Wiring area 11 output, also can utilize a plurality of the first Wiring areas 11 to access a plurality of the second Wiring areas 21 simultaneously, thereby realize carrying out defects detection to a plurality of display panels simultaneously, further promote the efficiency of defects detection, shorten working hours.
Corresponding with above-mentioned a plurality of the first Wiring areas 11, a plurality of laminating mechanisms can be set the first Wiring area 11 and the second Wiring area 21 that is positioned at diverse location carried out to pressing; Also above-mentioned the first lever 3 can be set to rotatable structure, the first lever 3 can turn at the plane internal rotation parallel with the first support plate 1, like this, by rotating the first lever 3, the pressing plate 32 of the first lever 3 resistance ends can be moved to different positions, thereby can carry out pressing to the first Wiring area 11 and the second Wiring area 21 that is positioned at diverse location, and a plurality of laminating mechanisms needn't be set.
Certainly, above-mentioned pressing structure is only example, laminating mechanism in the present invention is not limited to above-mentioned implementation, for example, as shown in Figure 3, also provide another implementation of above-mentioned laminating mechanism in the present embodiment, this laminating mechanism is except comprising the first above-mentioned lever 3, the fulcrum that also comprises the second lever 4, the second levers 4 that are positioned at the first support plate 1 top is that to be arranged on the power end of the resistance end of the second support column 41, the second levers 4 on the first support plate 1 and the first lever 3 hinged.In the testing process of lighting a lamp, by pressing down the power end of the second lever 4, thereby the resistance end of the second lever 4 is promoted, and then drive the power end lifting of first lever 3 hinged with the second lever 4 resistance ends, thereby the resistance end of the first lever 3 is pressed down, and then drive is arranged on the pressing plate 32 of the first lever 3 resistance ends by the first Wiring area 11 and the second Wiring area 21 pressings; In the detection of lighting a lamp finishes, by promoting the power end of the second lever 4, thereby the resistance end of the second lever 4 is pressed down, and then drive and the power end of the first lever 3 that the second lever 4 resistance ends are hinged presses down, thereby the resistance end of the first lever 3 is promoted, and then driving pressing plate 32 liftings that are arranged on the first lever 3 resistance ends, the first Wiring area 11 separates with the second Wiring area 21.
A kind of display panel testing that comprises above-mentioned any one signal wire connector also is provided in the present embodiment.Because the signal wire connector used has that work difficulty is low, the advantages such as failure rate is low and long service life, accordingly, this display panel testing also work difficulty of display panel testing more of the prior art is lower, failure rate is lower, longer service life, thereby can promote the efficiency that the defects of display panel prison is detected, shorten the manufacturing cycle of display device.
A kind of display panel testing method of realizing according to above-mentioned any one signal wire connector also is provided in the present embodiment; This detection method mainly comprises the following steps:
S1. by the first Wiring area on the second support plate and the second Wiring area contraposition; Than clamp-close type connector of the prior art, in the present embodiment, only need to get final product in the vertical direction contraposition of the first Wiring area, the contraposition difficulty reduces greatly;
S2. by laminating mechanism by first wire area the second Wiring area pressing; Than clamp-close type connector of the prior art, the signal wire connector in the present embodiment can be avoided plugging frequently, thereby has extended the serviceable life of signal wire connector;
S3. input detection signal by the signal wire connector to display panel, the detection of being lit a lamp.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all technical schemes that are equal to also belong to protection category of the present invention.
Claims (10)
1. a signal wire connector, is characterized in that, comprising:
Be provided with the first support plate of the first Wiring area; And,
The pressing structure that the second Wiring area arranged for the second support plate that will draw from display panel and described the first Wiring area pressing are fixing.
2. signal wire connector according to claim 1, is characterized in that, is provided with the locating slot with described the second support plate width adaptation on described the first support plate, and described the first Wiring area is arranged on described locating slot bottom.
3. signal wire connector according to claim 1 and 2, it is characterized in that, described pressing structure comprises the first lever that is positioned at described the first support plate top, the fulcrum of described the first lever is the first support column be arranged on described the first support plate, and the resistance end of described the first lever is provided with for the pressing plate by described the first Wiring area and the second Wiring area pressing.
4. signal wire connector according to claim 3, is characterized in that, is provided with a plurality of described the first Wiring areas on described the first support plate.
5. signal wire connector according to claim 4, is characterized in that, described the first lever can turn at the plane internal rotation parallel with described the first support plate.
6. signal wire connector according to claim 3, it is characterized in that, described pressing structure also comprises the second lever that is positioned at described the first support plate top, the fulcrum of described the second lever is the second support column be arranged on described the first support plate, and the resistance end of described the second lever and the power end of described the first lever are hinged.
7. according to claim 1-2 or the described signal wire connector of 4-6 any one, it is characterized in that, described the second support plate is flexible PCB.
8. signal wire connector according to claim 7, is characterized in that, described signal wire connector is for transmitting Low Voltage Differential Signal.
9. a display panel testing, is characterized in that, comprises according to the described signal wire connector of claim 1-8 any one.
10. a display panel testing method of realizing according to the described signal wire connector of claim 1-8 any one, is characterized in that, comprises step:
By the second Wiring area on described the second support plate and described the first Wiring area contraposition;
By described laminating mechanism by first wire area the second Wiring area pressing;
Input detection signal by described signal wire connector to display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310500528.0A CN103499894B (en) | 2013-10-22 | 2013-10-22 | Signal wire connector, display panel testing and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310500528.0A CN103499894B (en) | 2013-10-22 | 2013-10-22 | Signal wire connector, display panel testing and detection method |
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| CN103499894A true CN103499894A (en) | 2014-01-08 |
| CN103499894B CN103499894B (en) | 2015-12-02 |
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Cited By (3)
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| CN105761653A (en) * | 2016-03-18 | 2016-07-13 | 信利（惠州）智能显示有限公司 | Detection method and detection device for display panel |
| CN107103869A (en) * | 2017-06-26 | 2017-08-29 | 上海天马微电子有限公司 | A kind of display test system and its method of testing |
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| CN103499894B (en) | 2015-12-02 |
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