CN103309064A - Sensor, detection device and method - Google Patents
Sensor, detection device and method Download PDFInfo
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- CN103309064A CN103309064A CN201310196344XA CN201310196344A CN103309064A CN 103309064 A CN103309064 A CN 103309064A CN 201310196344X A CN201310196344X A CN 201310196344XA CN 201310196344 A CN201310196344 A CN 201310196344A CN 103309064 A CN103309064 A CN 103309064A
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Abstract
The invention discloses a sensor, a detection device and a method. The method comprises the following steps: A. correspondingly connecting a first sensor and a second sensor with two adjacent to-be-detected data cables, B. inputting detection signals to the to-be-detected data cables by the first sensor, and meanwhile controlling the second sensor to receive detection signals transmitted by the to-be-detected data cables, C. judging whether the second sensor receives the detection signals or not, when the second sensor receives the signal, switching to the step D, and when the second sensor doesn't receive the signal, switching to the step E, D. deciding that short circuit exists between the two adjacent to-be-detected data cables, and E. controlling the first sensor and the second sensor to move in the preset direction. Through the corresponding connection of the first sensor and the second sensor with the two adjacent to-be-detected data cables, the first sensor and the second sensor are controlled to move in the preset direction, each data cable is detected; and the short circuit detection efficiency is improved.
Description
Technical field
The present invention relates to field of liquid crystal display, specially refer to a kind of sensor for detection of liquid crystal panel, pick-up unit and detection method.
Background technology
At present, along with the development of lcd technology, people are also more and more higher for the requirement of liquid crystal display product picture.And the principal element that affects liquid crystal display product picture quality is the quality that thin film transistor (TFT) and colored filter are made in the liquid crystal display product.
Existing is 2mm to the distance of reaction in the data line short-circuit detecting device in the manufacturing process in the thin film transistor (TFT), and distance is 10um between the data line of liquid crystal panel and the data line, because the distance of reaction in the data line short-circuit detecting device is excessive, also cause two adjacent data lines are used as a data line detection, cause the data line short circuit to detect.
Therefore, find a kind of pick-up unit and detection method, can each bar data line of liquid crystal panel be detected, improve the accuracy of short-circuit detecting in the data line, become one of liquid crystal panel industry problem demanding prompt solution.
Summary of the invention
Fundamental purpose of the present invention is for providing a kind of sensor, pick-up unit and detection method.Be intended to each bar data line is carried out short-circuit detecting, improve the efficient of the short-circuit detecting of data line.
A kind of sensor, for detection of the data line of liquid crystal panel, the width of this sensor less than spacing between the width of data line and adjacent two data lines and.
Preferably, described sensor is made by semiconductor integrated circuit chip glass plate, and width is 0.002mm to 0.01mm.
A kind of pick-up unit, for detection of the data line of liquid crystal panel, this pick-up unit comprises: first sensor, the second sensor, control module and signal module; Described control module is connected with signal module, is used for sending control signal to signal module; Described control module is connected with the second sensor, is used for control the second sensor and receives signal, and whether receive signal according to the second sensor and judge the whether short circuit of data to be tested line; Described signal module is connected with first sensor and control module, is used for the control signal sent according to control module to first sensor input detection signal or stops to first sensor input detection signal; Described first sensor and the second sensor are connected with adjacent two data to be tested lines respectively, and described first sensor is used for receiving the detection signal of signal module input, and the detection signal that receives is delivered to the data to be tested line; Described the second sensor is used for receiving the detection signal through the transmission of data to be tested line.
Preferably, described first sensor, the second sensor are made by semiconductor integrated circuit chip glass plate, and width is 0.002mm to 0.01mm.
Preferably, described first sensor and the second sensor are connected to both sides or the same side of data to be tested line.
Preferably, this pick-up unit also comprises timing module and computing module, and the control signal that described timing module is used for sending according to control module begins timing or stops timing, and timing result is sent to computing module; Described computing module is used for calculating the location of short circuit that obtains between the adjacent two data to be tested lines according to the timing result of timing module input, spacing between the adjacent two data to be tested lines and the transmission speed of detection signal.
A kind of detection method, for detection of the data line of liquid crystal panel, the method comprises: A, be connected with adjacent two data to be tested lines first sensor, the second sensor are corresponding; B, first sensor are controlled simultaneously the second sensor and are received the detection signal that transmits through data line to be detected to data to be tested line input detection signal; C, judge whether the second sensor receives detection signal; When the second sensor receives signal, then change step D over to; When the second sensor does not receive signal, then change step e over to; There is short circuit between D, the described two adjacent testing data lines of judgement; E, control first sensor and the second sensor move according to default direction.
Preferably, described steps A is specially: with described first sensor and the second sensor setting in the same side of two adjacent testing data lines.
Preferably, described step B is specially: first sensor sends detection signal to input data to be tested line, begins simultaneously timing, and controls the detection signal that the second sensor receives process data line transmission to be detected; Described step D is specially: judge between described two adjacent testing data lines to exist short circuit to stop simultaneously the position of timing, calculating acquisition short circuit.
Preferably, the position of described calculating short circuit is specially: calculate the transmission time of detection signal in the data to be tested line; Obtain the position of short circuit according to the distance computation between transmission time, transmission speed and adjacent two data lines of detection signal in the data to be tested line.
The present invention by with first sensor be connected two corresponding and adjacent data to be tested lines of sensor and be connected, when the second sensor receives the signal of data to be tested line transmission, two adjacent data to be tested lines are carried out the short circuit mark.By each bar data line is carried out short-circuit detecting, improved the efficient of short-circuit detecting.
Description of drawings
Fig. 1 is the schematic diagram of the first embodiment of pick-up unit of the present invention;
Fig. 2 is the schematic diagram of the second embodiment of pick-up unit of the present invention;
Fig. 3 is the process flow diagram of the first embodiment of detection method of the present invention;
Fig. 4, Fig. 5 are pick-up unit of the present invention detects the data line of liquid crystal panel according to detection method shown in Figure 3 schematic diagram;
Fig. 6 is the detection signal figure that the second sensor receives among Fig. 5;
Fig. 7 is the process flow diagram of the second embodiment of detection method of the present invention;
Fig. 8, Fig. 9 are pick-up unit of the present invention detects the data line of liquid crystal panel according to detection method shown in Figure 7 schematic diagram;
Figure 10 is the detection signal figure that the second sensor receives among Fig. 9.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, be the schematic diagram of pick-up unit the first embodiment of the present invention, it is for detection of the data to be tested line of liquid crystal panel.Described pick-up unit comprises first sensor 11, the second sensor 12, control module 13 and signal module 14.
Described control module 13 is connected with signal module 14, is used for sending control signal to signal module 14.Described control module 13 also is connected with the second sensor 12, is used for control the second sensor 12 and receives signals, and whether receive signal according to the second sensor and judge the whether short circuit of data to be tested line;
Described first sensor 11 and the second sensor 12 are connected with adjacent two data to be tested lines respectively, and described first sensor 11 and the second sensor 12 can be connected to the both sides of data to be tested line, or are connected to the same side of data to be tested line.Described first sensor 11 is corresponding with a data to be tested line respectively with the second sensor 12, namely when detecting, first sensor 11 only is connected with a data to be tested line with the second sensor 12, and the width of described first sensor 11, the second sensor 12 should be less than the width of data to be tested line and the spacing sum between adjacent two data lines; Preferably, the width of described first sensor 11, the second sensor 12 is less than the width of data to be tested line, in other embodiments of the invention, the width of described first sensor 11 and the second sensor 12 can also be that other are arbitrarily between 0.002mm to 0.01mm, preferably, its width is 0.002mm.Described first sensor 11 and the second sensor 12 are made by semiconductor integrated circuit chip glass.
Described first sensor 11 is connected with an end of signal module 14 and data to be tested line, is used for receiving the detection signal of signal module 14 inputs, and the detection signal that receives is delivered to the data to be tested line.Described the second sensor 12 is used for receiving the detection signal through the transmission of data to be tested line.In other embodiments of the invention, described pick-up unit can also comprise organizes one to one first sensor 11 and the second sensor 12 more.
See also Fig. 2, it is the schematic diagram of the second embodiment of pick-up unit of the present invention, and it is for detection of the data to be tested line of liquid crystal panel.On the basis of the first embodiment, the pick-up unit of the second embodiment also comprises timing module 15 and computing module 16.
In the present embodiment, described first sensor 11 and the second sensor 12 are connected to the same side of data to be tested line.
Described timing module 15 is connected with control module 13 and computing module 16, and the control signal that is used for sending according to control module 13 begins timing or stops timing, and timing result is sent to computing module 16.Described control module 13 is controlled timing module 15 beginning timing at control signal module 14 in first sensor 11 input detection signals, and control timing module 15 stops timing when the second sensor 12 receives detection signal.
Described computing module 16 is used for calculating location of short circuit between the adjacent two data to be tested lines, then this location of short circuit of mark according to the transmission speed of the timing result of timing module 15 inputs, spacing between the adjacent two data to be tested lines and detection signal.
See also Fig. 3 to Fig. 6, Fig. 3 is the particular flow sheet of detection method the first embodiment of the present invention, and Fig. 4, Fig. 5 are pick-up unit of the present invention detects the data line of liquid crystal panel according to detection method shown in Figure 3 schematic diagram; Fig. 6 is the detection signal figure that the second sensor receives among Fig. 5.
The detection method of the present embodiment adopts pick-up unit shown in Figure 1 that the data line of liquid crystal panel is detected, and does not do at this and gives unnecessary details.The detection method of the present embodiment may further comprise the steps:
Step S101 is with the first sensor of pick-up unit and the second sensor is corresponding is connected with adjacent two data to be tested lines;
Such as Fig. 4 and shown in Figure 5; Described first sensor 11, the second sensor 12 are connected to adjacent two data to be tested lines 102,101 or 104,103 end, and first sensor 11, the second sensor 12 are positioned at data to be tested line 101,102,103,104 both sides.
Step S102, the control first sensor receives detection signal to the input of data to be tested line, controls simultaneously the second sensor and receives the detection signal that transmits through data line to be detected;
As shown in Figure 4, described control module 13 is sent control signal to signal module 14, signal module 14 is inputted detection signals according to this control signal to first sensor 11, first sensor 11 is with the detection signal input data to be tested line 102 that receives, and described the second sensor 12 is used for receiving the detection signal that transmits through data to be tested line 101.As shown in Figure 5, first sensor 11 is with the detection signal input data to be tested line 104 that receives, and described the second sensor 12 is used for receiving the detection signal that transmits through data to be tested line 103.
Step S103 judges whether the second sensor receives detection signal;
Behind data to be tested line 102 input detection signals, judge whether the second sensor 12 receives detection signal, when the second sensor 12 receives detection signal (spiking 105 as shown in Figure 6), execution in step S104; When the second sensor 12 does not receive detection signal, execution in step S105.
As shown in Figure 4, when first sensor 11 is inputted detection signal to data to be tested line 102, between data to be tested line 102 and the adjacent data to be tested line 101 without being electrically connected, therefore, when the second sensor 12 that is connected with data to be tested line 101 1 ends does not receive detection signal.
As shown in Figure 5, when first sensor 11 is inputted detection signal to data to be tested line 104, exist short circuit to be connected 106 between data to be tested line 104 and the adjacent data to be tested line 103, then the part of the detection signal of first sensor 11 inputs will continue to transmit along data to be tested line 104, another part transmits along data to be tested line 103 after then connecting 106 through short circuit, therefore the second sensor 12 that is connected with data to be tested line 103 1 ends can receive detection signal, spiking 105 as shown in Figure 6.
Step S104 judges between described two adjacent testing data lines to have short circuit;
When the second sensor 12 receives detection signal, then can judge between described two adjacent data to be tested lines to have short circuit, and to its short circuit mark.
Such as Fig. 5 and shown in Figure 6, when the second sensor 12 receives detection signal, then represent to exist short circuit to be connected between data to be tested line 103 and the data to be tested line 104, data line 103 to be detected, 104 is carried out mark.
Step S105, control first sensor and the second sensor move according to default direction.
After these two adjacent data to be tested lines detect end, then controlling first sensor 11 and the second sensor 12 moves according to default direction, and return step S101, data line to be detected is detected, until the whole detections of all data to be tested lines are complete.
The present embodiment detects data line to be detected one by one by first sensor, the second sensor, thereby can accurately judge the adjacent two data to be tested lines that exist short circuit to connect, and has improved the efficient of short-circuit detecting.
See also Fig. 7 to Figure 10, Fig. 7 is the particular flow sheet of detection method the first embodiment of the present invention, and Fig. 8, Fig. 9 are pick-up unit of the present invention detects the data line of liquid crystal panel according to detection method shown in Figure 7 schematic diagram; Figure 10 is the detection signal figure that the second sensor receives among Fig. 5.
The detection method of the present embodiment adopts pick-up unit shown in Figure 1 that the data line of liquid crystal panel is detected, and does not do at this and gives unnecessary details.The detection method of the present embodiment may further comprise the steps:
Step S201 is with the first sensor of pick-up unit and the second sensor is corresponding is connected with adjacent two data to be tested lines;
Such as Fig. 8 and shown in Figure 9; Described first sensor 11, the second sensor 12 are connected to adjacent two data to be tested lines 102,101 or 104,103 end, and first sensor 11, the second sensor 12 are positioned at data to be tested line 101,102,103, the same side of 104.
Step S202, the control first sensor begins timing simultaneously to the detection signal that the input of data to be tested line receives, and controls the detection signal that the second sensor receives process data line transmission to be detected;
As shown in Figure 8, described control module 13 is sent control signal to signal module 14, signal module 14 is inputted detection signals according to this control signal to first sensor 11, first sensor 11 is with the detection signal input data to be tested line 102 that receives, and described the second sensor 12 is used for receiving the detection signal that transmits through data to be tested line 101.As shown in Figure 9, first sensor 11 is with the detection signal input data to be tested line 104 that receives, and described the second sensor 12 is used for receiving the detection signal that transmits through data to be tested line 103.
Step S203 judges whether the second sensor receives detection signal;
Behind data to be tested line 102 input detection signals, judge whether the second sensor 12 receives signal, when the second sensor 12 receives signal (spiking 105 as shown in figure 10), execution in step S204; When the second sensor 12 does not receive detection signal, execution in step S205.
As shown in Figure 8, when first sensor 11 is inputted detection signal to data to be tested line 102, between data to be tested line 102 and the adjacent data to be tested line 101 without being electrically connected, therefore, when the second sensor 12 that is connected with data to be tested line 101 1 ends does not receive detection signal.
As shown in Figure 9, when first sensor 11 is inputted detection signal to data to be tested line 104, exist short circuit to be connected 106 between data to be tested line 104 and the adjacent data to be tested line 103, then the part of the detection signal of first sensor 11 inputs will continue to transmit along data to be tested line 104, another part transmits along data to be tested line 103 after then connecting 106 through short circuit, therefore the second sensor 12 that is connected with data to be tested line 103 1 ends can receive detection signal, spiking 105 as shown in figure 10.
Step S204 judges between described two adjacent testing data lines to exist short circuit to stop simultaneously timing, calculate the position of short circuit, and changes step S205 over to;
When the second sensor 12 receives detection signal, then can judge between described two adjacent data to be tested lines to have short circuit.Such as Fig. 9 and shown in Figure 10, when the second sensor 12 receives detection signal, then represent to exist short circuit to be connected between data to be tested line 103 and the data to be tested line 104, data line 103 to be detected, 104 is carried out mark.
The position of calculating short circuit is specially: calculate the transmission time of detection signal in the data to be tested line; Position according to the distance computation short circuit between transmission time, transmission speed and adjacent two data lines of detection signal in the data to be tested line.
In the present embodiment, begin timing when first sensor 11 is to data to be tested line 104 input detection signal among the step S202, and when the second sensor 12 receives detection signal, stop timing, therefore can be calculated the transmission time t of detection signal in the data to be tested line; And detection signal is electric signal, and v is known for its transmission speed, can calculate the transmission range S of detection signal, S=vt.Space D between the data to be tested line is known in addition, and first sensor 11 and the second sensor 12 are set up in parallel, therefore the distance L between location of short circuit and first sensor 11 or the second sensor 12=(S-D)/2, the short circuit that can draw between the data to be tested line 103,104 connects 106 position.In other embodiments, behind the position of determining short circuit connection 106, can adopt the methods such as cut, disconnect short circuit and connect 106, thereby can repair the circuit defect between adjacent two data to be tested lines.
Step S205, control first sensor and the second sensor move according to default direction.
After these two adjacent data to be tested lines detect end, then controlling first sensor 11 and the second sensor 12 moves according to default direction, and return step S201, data line to be detected is detected, until the whole detections of all data to be tested lines are complete.
The detection method of the present embodiment not only can detect the data line that has short circuit exactly, and can also accurately mark the particular location of short circuit between two data lines, has further improved the efficient of short-circuit detecting.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. sensor, the data line for detection of liquid crystal panel is characterized in that, the width of this sensor less than spacing between the width of data line and adjacent two data lines and.
2. described sensor according to claim 1 is characterized in that, described sensor is made by semiconductor integrated circuit chip glass plate, and width is 0.002mm to 0.01mm.
3. pick-up unit, the data line for detection of liquid crystal panel is characterized in that, this pick-up unit comprises: first sensor, the second sensor, control module and signal module; Described control module is connected with signal module, is used for sending control signal to signal module; Described control module is connected with the second sensor, is used for control the second sensor and receives signal, and whether receive signal according to the second sensor and judge the whether short circuit of data to be tested line; Described signal module is connected with first sensor and control module, is used for the control signal sent according to control module to first sensor input detection signal or stops to first sensor input detection signal; Described first sensor and the second sensor are connected with adjacent two data to be tested lines respectively, and described first sensor is used for receiving the detection signal of signal module input, and the detection signal that receives is delivered to the data to be tested line; Described the second sensor is used for receiving the detection signal through the transmission of data to be tested line.
4. pick-up unit according to claim 3 is characterized in that, described first sensor, the second sensor are made by semiconductor integrated circuit chip glass plate, and width is 0.002mm to 0.01mm.
5. pick-up unit according to claim 3 is characterized in that, described first sensor and the second sensor are connected to both sides or the same side of data to be tested line.
6. pick-up unit according to claim 5, it is characterized in that, this pick-up unit also comprises timing module and computing module, and the control signal that described timing module is used for sending according to control module begins timing or stops timing, and timing result is sent to computing module; Described computing module is used for calculating the location of short circuit that obtains between the adjacent two data to be tested lines according to the timing result of timing module input, spacing between the adjacent two data to be tested lines and the transmission speed of detection signal.
7. detection method, the data line for detection of liquid crystal panel is characterized in that, the method comprises:
A, be connected with adjacent two data to be tested lines first sensor, the second sensor are corresponding;
B, first sensor are controlled simultaneously the second sensor and are received the detection signal that transmits through data line to be detected to data to be tested line input detection signal;
C, judge whether the second sensor receives detection signal; When the second sensor receives signal, then change step D over to; When the second sensor does not receive signal, then change step e over to;
There is short circuit between D, the described two adjacent testing data lines of judgement;
E, control first sensor and the second sensor move according to default direction.
8. detection method according to claim 7 is characterized in that, described steps A is specially:
With described first sensor and the second sensor setting in the same side of two adjacent testing data lines.
9. detection method according to claim 7, it is characterized in that, described step B is specially: first sensor sends detection signal to input data to be tested line, begins simultaneously timing, and controls the detection signal that the second sensor receives process data line transmission to be detected;
Described step D is specially: judge between described two adjacent testing data lines to exist short circuit to stop simultaneously the position of timing, calculating acquisition short circuit.
10. detection method according to claim 9 is characterized in that, the position that described calculating obtains short circuit is specially:
Calculate the transmission time of detection signal in the data to be tested line;
Obtain the position of short circuit according to the distance computation between transmission time, transmission speed and adjacent two data lines of detection signal in the data to be tested line.
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| CN103852922A (en) * | 2014-02-21 | 2014-06-11 | 合肥鑫晟光电科技有限公司 | Array substrate detection method and detection device |
| CN105261317A (en) * | 2015-09-17 | 2016-01-20 | 京东方科技集团股份有限公司 | Detection method and detection device for short-circuited defect of data wires |
| WO2016015300A1 (en) * | 2014-07-29 | 2016-02-04 | 深圳市华星光电技术有限公司 | Test device and test method thereof |
| CN109164311A (en) * | 2018-07-13 | 2019-01-08 | 智车优行科技（上海）有限公司 | Fault detection method and device, electronic equipment |
| CN113554960A (en) * | 2020-04-23 | 2021-10-26 | 兴城科技股份有限公司 | Glass substrate detection method |
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| CN113554960A (en) * | 2020-04-23 | 2021-10-26 | 兴城科技股份有限公司 | Glass substrate detection method |
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