CN106782249A - A kind of display panel, its electrical detection method and display device - Google Patents
A kind of display panel, its electrical detection method and display device Download PDFInfo
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- CN106782249A CN106782249A CN201710025920.2A CN201710025920A CN106782249A CN 106782249 A CN106782249 A CN 106782249A CN 201710025920 A CN201710025920 A CN 201710025920A CN 106782249 A CN106782249 A CN 106782249A
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- lead
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- data wire
- display panel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of display panel, its electrical detection method and display device, two adjacent first leads and two second leads are connected respectively the display panel data wire of the data wire and even column of odd column, it it is one group i.e. with adjacent four data line, the signal of the first data line is introduced by the first lead, the signal of the second data line and Article 3 data wire is introduced by the second lead, the signal of Article 4 data wire is introduced by the first lead, the rest may be inferred, finally so that the first adjacent lead and the second adjacent lead correspond to the data wire of odd-even alternation；The electric signal that adjacent first lead and neighboring second wiring lines are input into is set to opposite polarity simultaneously, when so adjacent two first leads or two adjacent second leads are short-circuited, the electric signal pressure difference on the corresponding data wire of adjacent two leads being short-circuited is zero, can be detected in the case where GTG shows, such that it is able to the poor short circuit that effective monitoring display panel neighboring area lead occurs.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel, its electrical detection method and display device.
Background technology
At present, with the development of Display Technique, Display Technique is widely used in the aobvious of TV, mobile phone and public information
Show.Because masses are to display product resolution requirement more and more higher, cause to be fanned out to (Fanout) positioned at display panel neighboring area
Area's lead dense degree is being continuously increased, and peripheral distributing space is fewer and feweri, and the thing followed is that lead short circuit occurs not
Good risk more and more higher.
As shown in figure 1,1 position is the friendship of fanout area grid line layer and source-drain electrode layer in display panel neighboring area in Fig. 1
The folded lead for setting, is respectively designated as Gate lines and SD lines；Wherein, 2 positions are SD lines, and 3 positions are Gate lines, and 4 positions are
Via on Gate lines, 5 positions are via on SD lines；Each Gate lines and SD lines are corresponded with the data wire of pixel region, first row
Signal on the corresponding data wire of pixel is introduced by SD lines, and secondary series is then introduced by Gate lines, and data-signal uses odd/even
The feed postition of (i.e. odd column input DO signals, even column input DE signals), repetitive cycling.Design understands SD lines according to more than
Input DO signals, Gate lines input DE signals, the signal of data wire input corresponding with Gate lines/SD lines is also all respectively DE/
DO signals, even if after Fanout areas occur the short circuit of Gate lines (as shown in Figure 2), the letter on the corresponding data wire of two Gate lines
Without pressure difference between number, it is short-circuited and cannot also intercept；Similarly, Fanout areas occur after the short circuit of SD lines (as shown in Figure 3), equally
Cannot intercept.Once it is above-mentioned bad occurred frequently, it is greatly to waste to display module goods, materials and equipments.
Currently for above-mentioned bad, the Improving Measurements that person skilled is taken are that the lower limit of the line width of lead is managed
Control.But once equipment fluctuates, and the position of poor short circuit that lead is produced is not fixed at random, lead to not to it is above-mentioned not
It is good to carry out effective monitoring.
Therefore, how effective monitoring display panel fanout area lead short circuit it is bad, be that those skilled in the art urgently solve
Technical problem certainly.
The content of the invention
A kind of display panel, its electrical detection method and display device are the embodiment of the invention provides, is used to solve existing
Present in technology cannot effective monitoring display panel fanout area the bad problem of lead short circuit.
A kind of display panel is the embodiment of the invention provides, including：Positioned at a plurality of data lines of viewing area, and it is located at
Neighboring area and a plurality of first lead and a plurality of second lead that are connected one to one with the data wire；Wherein,
First lead and the different layer of second lead are set；
It is one group, first data wire and Article 4 institute in data wire described in every group per adjacent four data wires
State data wire corresponding with first lead, data wire described in data wire described in Article 2 and Article 3 and second lead pair
Should；
The electric signal opposite polarity of adjacent two the first lead inputs, the electricity of adjacent two the second lead inputs
Signal polarity is opposite.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, each described first draws
Line is set with the grid line on the display panel with layer, and is corresponded by via with the corresponding data wire connected.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, each described second draws
Line is set with the data wire with layer, and is corresponded with the corresponding data wire connected.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, correspondence odd column institute
What the electric signal of first lead input and second lead of data wire described in corresponding even column for stating data wire were input into
Electric signal is identical.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, each described first draws
Orthographic projection one-to-one corresponding of the line with each second lead on said display panel is Chong Die.
The embodiment of the invention provides a kind of display device, including above-mentioned display panel provided in an embodiment of the present invention.
A kind of electrical detection method of above-mentioned display panel provided in an embodiment of the present invention is the embodiment of the invention provides, is wrapped
Include：
Electric signal is input to the corresponding data wire by first lead and second lead；Wherein, phase
The electric signal opposite polarity of adjacent two the first lead inputs, the electric signal polarity phase of adjacent two the second lead inputs
Instead；
Under GTG display pattern, electric signal on corresponding two data line of adjacent two first leads is detected
Pressure difference, determines that two first leads are short-circuited bad if being zero if the pressure difference；
Under GTG display pattern, electric signal on corresponding two data line of adjacent two second leads is detected
Pressure difference, determines that two second leads are short-circuited bad if being zero if the pressure difference.
The beneficial effect of the embodiment of the present invention includes：
A kind of display panel, its electrical detection method and display device are the embodiment of the invention provides, the display panel bag
Include：Positioned at a plurality of data lines of viewing area, and positioned at neighboring area and connected one to one with data wire a plurality of first
Lead and a plurality of second lead；Wherein, it is one group, the first data line and the 4th in every group of data wire per adjacent four data line
Data line is corresponding with the first lead, and the second data line and Article 3 data wire are corresponding with the second lead；Adjacent two first
The electric signal opposite polarity of lead input, the electric signal opposite polarity of adjacent two second leads input.It is so of the invention by number
It is grouped according to line so that adjacent two first leads and two second leads correspond to the data wire and even column of odd column respectively
Data wire, i.e., be one group with adjacent four data line, and the signal of the first data line is introduced by the first lead, the second data line
Signal with Article 3 data wire is introduced by the second lead, and the signal of Article 4 data wire is introduced by the first lead, and the rest may be inferred,
Finally so that the first adjacent lead and the second adjacent lead correspond to the data wire of odd-even alternation；Adjacent first is drawn simultaneously
Line and the electric signal of neighboring second wiring lines input are set to opposite polarity, when so adjacent two first leads are short-circuited, hair
Electric signal pressure difference on the corresponding data wire of adjacent two first leads of raw short circuit is zero, can be detected in the case where GTG shows
Go out；Similarly, to be equally capable of detecting when that the second lead is short-circuited when adjacent two second leads are short-circuited bad, so that can
With the poor short circuit that effective monitoring display panel neighboring area lead occurs.
Brief description of the drawings
Fig. 1 is the structural representation of display panel in the prior art；
Fig. 2 and Fig. 3 are respectively display panel Fanout areas lead in the prior art and are short-circuited bad structural representation；
Fig. 4 is the structural representation of display panel provided in an embodiment of the present invention；
Fig. 5 is the electrical detection method flow chart of display panel provided in an embodiment of the present invention；
Fig. 6 is the signal waveform schematic diagram of lead input in display panel Fanout areas provided in an embodiment of the present invention；
Fig. 7 a and Fig. 7 b be respectively display panel Fanout areas lead provided in an embodiment of the present invention be short-circuited it is bad
Structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings, to display panel provided in an embodiment of the present invention, its electrical detection method and display device
Specific embodiment is described in detail.
A kind of display panel is the embodiment of the invention provides, as shown in figure 4, can include：It is pixel positioned at viewing area
The a plurality of data lines Data in area, and be to be fanned out to Fanout areas and connected one to one with data wire Data positioned at neighboring area
A plurality of first lead L1 and a plurality of second lead L2；Wherein, the first lead and the different layer of the second lead are set；Per adjacent four data
Line Data is one group, the first data line Data and Article 4 data wire Data and L1 pairs, the first lead in every group of data wire Data
Should, the second data line Data and Article 3 data wire Data is corresponding with the second lead L2；Adjacent two the first lead L1 inputs
Electric signal opposite polarity, the electric signal opposite polarities of adjacent two the second lead L2 input.
Above-mentioned display panel provided in an embodiment of the present invention, data wire is grouped, and causes two adjacent first leads
Correspond to the data wire of odd column and the data wire of even column respectively with two second leads, i.e., be one with adjacent four data line
Group, the signal of the first data line is introduced by the first lead, and the signal of the second data line and Article 3 data wire is drawn by second
Line is introduced, and the signal of Article 4 data wire introduces by the first lead, and the rest may be inferred, finally so that the first adjacent lead and adjacent
The second lead correspond to odd-even alternation data wire；The electric signal for being simultaneously input into adjacent first lead and neighboring second wiring lines
Opposite polarity is set to, when so adjacent two first leads are short-circuited, the adjacent two first leads correspondence being short-circuited
Data wire on electric signal pressure difference be zero, can be detected in the case where GTG shows.Similarly, when adjacent two second leads are sent out
Equally it is capable of detecting when that the second lead is short-circuited during raw short circuit bad, draws such that it is able to effective monitoring display panel neighboring area
The poor short circuit that line occurs.
In the specific implementation, in above-mentioned display panel provided in an embodiment of the present invention, the first lead and the different layer of the second lead
Set.Wherein, each first lead can be set with the grid line on display panel with layer, and pass through via one with corresponding data wire
One correspondence is connected；Each second lead is set with data wire with layer, and is corresponded with corresponding data wire connected.Meanwhile, such as Fig. 4
Shown, orthographic projections of each first lead L1 with each second lead L2 on a display panel can correspond Chong Die.So by
One lead and the different layer of the second lead are set, and can effectively reduce the wiring space that fanout area lead takes, and adapt to display product high
The requirement of resolution ratio, while being advantageously implemented the narrow frame design of display panel.And each first lead with each second lead in base
Orthographic projection on plate can correspond overlap, and wires design is facilitated during substrate manufacture；Simultaneously by the first lead with it is existing
Some grid lines are made with layer, and the second lead and data wire are made with layer, can simplify manufacture craft, reduce production cost.
In the specific implementation, in above-mentioned display panel provided in an embodiment of the present invention, the first of correspondence odd number column data line
The electric signal of lead input can be identical with the electric signal that the second lead of correspondence even number column data line is input into.Specifically, this hair
In the above-mentioned display panel that bright embodiment is provided, two fixed signal input sources can be set, correspondence odd number column data line
Second lead of the first lead and correspondence even number column data line using same signal input sources be input electric signal it is identical；It is right
Answer the first lead of even number column data line i.e. defeated using same signal input sources with the second lead of corresponding odd number column data line
The electric signal for entering is identical, and the electric signal opposite polarity being input into the first lead of corresponding odd number column data line.So either
Adjacent two first leads or adjacent two second leads be short-circuited it is bad, can by detect adjacent two first or
The pressure difference of the electric signal on the corresponding data wire of the second lead, can determine that corresponding two leads occur short if pressure difference is zero
Road is bad, such that it is able to the poor short circuit that effective monitoring display panel neighboring area lead occurs.
Based on same inventive concept, a kind of display device is the embodiment of the invention provides, including the embodiment of the present invention is provided
Above-mentioned display panel.The display device can apply to mobile phone, panel computer, television set, display, notebook computer, number
Any product or part with display function such as code-phase frame, navigator.Due to the display device solve problem principle with it is aobvious
Show that panel is similar, therefore the implementation of the display panel may refer to the implementation of above-mentioned display panel, repeats part and repeats no more.
Based on same inventive concept, a kind of above-mentioned display panel provided in an embodiment of the present invention is the embodiment of the invention provides
Electrical detection method, as shown in figure 5, can include：
S101, electric signal is input to corresponding data wire by the first lead and the second lead；Wherein, adjacent two article
The electric signal opposite polarity of one lead input, the electric signal opposite polarity of adjacent two second leads input；
S102, under GTG display pattern, detect the electric signal on corresponding two data line of adjacent two first leads
Pressure difference, determine that two first leads are short-circuited if pressure difference is zero bad；
S103, under GTG display pattern, detect the electric signal on corresponding two data line of adjacent two second leads
Pressure difference, determine that two second leads are short-circuited if pressure difference is zero bad.
Specifically, illustrate that above-mentioned display panel provided in an embodiment of the present invention carries out electricity with a specific embodiment below
The process of detection is learned, it is specific as follows：
As shown in figure 4, in display panel provided in an embodiment of the present invention, two adjacent the first lead L1 and two second
Lead L2 corresponds to the data wire Data of the odd column and data wire Data of even column respectively.It is one i.e. with adjacent four data line
Group, the signal of the first data line is introduced by the first lead, and the signal of the second data line and Article 3 data wire is drawn by second
Line is introduced, and the signal of Article 4 data wire introduces by the first lead, and the rest may be inferred, finally so that the first adjacent lead and adjacent
The second lead correspond to odd-even alternation data wire.While first lead and corresponding even number columns of correspondence odd number column data line
The electric signal that can be input into according to the second lead of line is identical, for example, DO signals；First lead of correspondence even number column data line with
The electric signal of the second lead input of correspondence odd number column data line can be with identical, for example, DE signals, and DO signal and DE signals
Opposite polarity, it is specific as shown in Figure 6.
So when the first lead L1 is short-circuited bad (as shown in Figure 7a), in adjacent two the first lead L1, one
What the first lead L1 was accessed is DO signals, and what another the first lead L1 was accessed is DE signals, because two first leads occur
Short circuit, then can cause the electric signal pressure difference being input in respective data lines to be 0, such that it is able to detect the phase in the case where GTG shows
Adjacent two first leads are short-circuited bad；Similarly, when the second lead L2 is short-circuited (as shown in Figure 7b), due to DO signals
Whether it is conversely waveform with DE signal polarities conversely, therefore equally can be in the case where GTG shows, by detecting pressure difference for zero examines
Measure the second bad lead that is short-circuited.
A kind of display panel, its electrical detection method and display device are the embodiment of the invention provides, the display panel bag
Include：Positioned at a plurality of data lines of viewing area, and positioned at neighboring area and connected one to one with data wire a plurality of first
Lead and a plurality of second lead；Wherein, it is one group, the first data line and the 4th in every group of data wire per adjacent four data line
Data line is corresponding with the first lead, and the second data line and Article 3 data wire are corresponding with the second lead；Adjacent two first
The electric signal opposite polarity of lead input, the electric signal opposite polarity of adjacent two second leads input.It is so of the invention by number
It is grouped according to line so that adjacent two first leads and two second leads correspond to the data wire and even column of odd column respectively
Data wire, i.e., be one group with adjacent four data line, and the signal of the first data line is introduced by the first lead, the second data line
Signal with Article 3 data wire is introduced by the second lead, and the signal of Article 4 data wire is introduced by the first lead, and the rest may be inferred,
Finally so that the first adjacent lead and the second adjacent lead correspond to the data wire of odd-even alternation；Adjacent first is drawn simultaneously
Line and the electric signal of neighboring second wiring lines input are set to opposite polarity, when so adjacent two first leads are short-circuited, hair
Electric signal pressure difference on the corresponding data wire of adjacent two first leads of raw short circuit is zero, can be detected in the case where GTG shows
Go out；Similarly, to be equally capable of detecting when that the second lead is short-circuited when adjacent two second leads are short-circuited bad, so that can
With the poor short circuit that effective monitoring display panel neighboring area lead occurs.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (7)
1. a kind of display panel, it is characterised in that including：Positioned at a plurality of data lines of viewing area, and positioned at neighboring area
And a plurality of first lead and a plurality of second lead connected one to one with the data wire；Wherein,
First lead and the different layer of second lead are set；
It is one group per adjacent four data wires, first data wire and number described in Article 4 in data wire described in every group
Corresponding with first lead according to line, data wire described in data wire described in Article 2 and Article 3 is corresponding with second lead；
The electric signal opposite polarity of adjacent two the first lead inputs, the electric signal of adjacent two the second lead inputs
Opposite polarity.
2. display panel as claimed in claim 1, it is characterised in that the grid on each first lead and the display panel
Line is set with layer, and is corresponded by via with the corresponding data wire connected.
3. display panel as claimed in claim 1, it is characterised in that each second lead sets with the data wire with layer
Put, and corresponded with the corresponding data wire connected.
4. the display panel as described in claim any one of 1-3, it is characterised in that data wire is described described in correspondence odd column
The electric signal of the first lead input is identical with the electric signal that second lead of data wire described in correspondence even column is input into.
5. display panel as claimed in claim 1, it is characterised in that each first lead is with each second lead in institute
The orthographic projection stated on display panel corresponds overlap.
6. a kind of display device, it is characterised in that including the display panel as described in claim any one of 1-5.
7. a kind of electrical detection method of display panel as described in claim any one of 1-5, it is characterised in that including：
Electric signal is input to the corresponding data wire by first lead and second lead；Wherein, adjacent two
The electric signal opposite polarity of the first lead input described in bar, the electric signal opposite polarity of adjacent two the second lead inputs；
Under GTG display pattern, the pressure of the electric signal on corresponding two data line of adjacent two first leads is detected
Difference, determines that two first leads are short-circuited bad if being zero if the pressure difference；
Under GTG display pattern, the pressure of the electric signal on corresponding two data line of adjacent two second leads is detected
Difference, determines that two second leads are short-circuited bad if being zero if the pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710025920.2A CN106782249B (en) | 2017-01-13 | 2017-01-13 | Display panel, electrical detection method thereof and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710025920.2A CN106782249B (en) | 2017-01-13 | 2017-01-13 | Display panel, electrical detection method thereof and display device |
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| CN106782249A true CN106782249A (en) | 2017-05-31 |
| CN106782249B CN106782249B (en) | 2020-08-18 |
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| CN109859664A (en) * | 2019-04-09 | 2019-06-07 | 合肥鑫晟光电科技有限公司 | The data wire detection method and relevant apparatus of OLED driving backboard |
| WO2024060765A1 (en) * | 2022-09-21 | 2024-03-28 | 武汉华星光电技术有限公司 | Display panel and electronic apparatus |
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Also Published As
| Publication number | Publication date |
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| CN106782249B (en) | 2020-08-18 |
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