CN103913863B - Display floater detection structure, display floater and display device - Google Patents
Display floater detection structure, display floater and display device Download PDFInfo
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- CN103913863B CN103913863B CN201410101610.0A CN201410101610A CN103913863B CN 103913863 B CN103913863 B CN 103913863B CN 201410101610 A CN201410101610 A CN 201410101610A CN 103913863 B CN103913863 B CN 103913863B
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Abstract
The present invention provides a kind of display floater detection structure, display floater and display device, belongs to Display Technique field, and it can solve the problem that the detection switch element position in existing display surface detection structure produces ESD.The display floater detection structure of the present invention, including: data signal port, data detection signal line, switch signal line, and it is arranged at the detection switch element of data detection signal line and switch signal line infall, at least it is provided with near the side of first of display floater detection switch element at the centrage of described display floater detection structure and is in the redundancy switching element of same a line with this detection switch element, one end of described redundancy switching element is connected with data signal port, the other end is connected with redundant data signal line, and by described switching signal line traffic control.
Description
Technical field
The invention belongs to Display Technique field, be specifically related to a kind of display floater detection structure,
Display floater and display device.
Background technology
In thin-film transistor LCD device (TFT-LCD) product, along with user
The continuous lifting of demand for experience, also improves constantly the demand of high-resolution (PPI) product.
Therefore to meet the demand of high definition pixel product, with the size phase of conventional display floater
With display floater in will arrange more pixel cell (data wire the most now with
The quantity of scan line increases), now it is provided in Fanout district (fan section) in the past
Whether detection display floater exists the detection structure of data wire line bad (X-Line),
And normal data signal line and switch signal line (Switch) (at data detection signal line and
The infall of switch signal line be provided with detection switch element) wire laying mode can not
Meet high PPI and design requirement, need from 2 original rows, detection switch element is increased to 6
Row's design meets the intensive winding displacement mode of the data wire of display floater.But also bring a lot
Bad, wherein mainly easily produce electrostatic in process of production between equipment and substrate,
At the 1/2 of display floater detection structure, produce Electro-static Driven Comb (ESD) (namely scheme
The position of middle a), cause the data wire of under E/T 6% to occur bad.
As it is shown in figure 1, examine for prior art is located at a kind of display floater in Fanout district
Geodesic structure, including: data signal port 101, data detection signal line 103, switch letter
Number line 102, and data detection signal line 103 and switch signal line 102 infall are set
Detection switch element K；Described data detection signal line 103 is by described detection switch
Data signal port 101 corresponding for unit K connects；The detection being located at same string is opened
Close unit K to be chained together, and controlled by same switch signal line 102, and two
The detection switch element K of adjacent column is controlled by different switch signal line 102.In system
Make in the detection configuration process producing this display floater, be easily subject to the impact of environment electrostatic,
Antistatic effect according to product is 8000V, illustrates to be easy in Fanout zone centerline
Right side there is ESD near the position of first of display floater detection switch element K,
Bring to the stable yield of product and have a strong impact on, be badly in need of finding feasible way thoroughly to shut out
This bad generation absolutely.By contrasting in the design of point of symmetry and other positions, thus it is speculated that only
It is to be easiest to assemble electric charge in the fixed position that ESD point occurs, divides there is no other channels
Under conditions of dissipating electric charge, easily produce high temperature, make Gate (grid) and SD (source-drain electrode)
Metal punctures, and produces short circuit (short).Therefore, how by the inspection of first, Fanout district
At slowdown monitoring switch unit K, the electric charge of a is dispersed into key factor.
By existing design, as shown in Figure 2.By the first of normal Fanout district,
Two detection switch element K laser cuttings, are labeled as simulating Dummy Switch (superfluous
Remaining switch element Q) district, therefore, the detection switch element K in the square frame of right side will become
First detection switch element Kb on the right side of actual Fanout zone centerline.Afterwards should
5 times, after microscopy, 21 are impacted continuously with 10000V electrostatic at SD Cutting
Sheet occurs 3 this position ESD, therefore, can determine whether a position in this ESD Yu Fig. 1
First detection switch element K below SD line unrelated, also demonstrate meanwhile
The Dummy Switch of a same design is increased on the left of first detection switch element K
Can effectively prevent the generation of ESD.
Summary of the invention
The technical problem to be solved includes, detects for existing display floater
The problems referred to above that structure exists, it is provided that a kind of ESD generation avoiding detecting switch element K
Display floater detection structure and display floater.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of display floater detection
Structure, including: data signal port, data detection signal line, switch signal line, with
And it is arranged at the detection switch element of data detection signal line and switch signal line infall,
The centrage first inspection near display floater of structure is at least detected at described display floater
The side of slowdown monitoring switch unit is provided with this detection switch element that to be in of same a line superfluous
Remaining switch element, one end of described redundancy switching element is connected with data signal port, separately
One end is connected with redundant data signal line, and by described switching signal line traffic control.
The centrage of the display floater detection structure of the present invention is near first of display floater
The side of detection switch element adds redundancy switching element, now this redundancy switching element
Position be equivalent to the centrage of display floater of the prior art detection structure near aobvious
Show the position at first detection switch element place of panel, say, that in preparation process
The electric charge assembled after the ESD of middle generation will be distributed on this redundancy switching element, now produce
Raw high temperature will not puncture detection switch element, thus avoids the phenomenon being short-circuited.
Preferably, it is located between the two adjacent described detection switch elements of same a line and is all provided with
It is equipped with described redundancy switching element.
It may further be preferable that be located at the described detection switch element of same a line and described superfluous
Remaining switch element is connected with same described data signal port.
It may further be preferable that the described redundancy switching element being located at same string is connected on one
Rise and be connected with same switch signal line.
It may further be preferable that the redundancy switching element being disposed adjacent and detection switch element
By different switching signal line traffic controls.
Preferably, described redundancy switching element and described detection switch element are thin film
Transistor.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of display floater, its
Structure is detected including above-mentioned display floater.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of display device, its
Including above-mentioned display floater.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing display floater detection structure；
Fig. 2 is the experimental principle figure of existing display floater detection structure；
Fig. 3 is the schematic diagram of the display floater detection structure of embodiments of the invention 1.
Wherein reference is: 101, data signal port；102, switch signal line；
103, data detection signal line；104, redundant signal lines；K, detection switch element；Q、
Redundancy switching element；A: represent display floater detection structure centre line in prior art close
The position of first detection switch element of display floater；B: represent existing skill in an experiment
In art, the centrage of display floater detection structure is near first detection switch of display floater
The position of unit；C: represent the display floater detection structure centre line in the present invention near aobvious
Show the position of first redundancy switching element of panel.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, knot below
Close the drawings and specific embodiments the present invention is described in further detail.
Embodiment 1:
Shown in Fig. 3, the present embodiment provides the detection structure of a kind of display floater, bag
Include: data signal port 101, data detection signal line 103, switch signal line 102,
And it is arranged at the detection of data detection signal line 103 and switch signal line 102 infall
Switch element K.Wherein, described data detection signal line 103 is by described detection switch
Data signal port 101 corresponding for unit K connects；The detection being located at same string is opened
Close unit K to be chained together, and controlled by same switch signal line 102, and two
The detection switch element K of adjacent column is controlled by different switch signal line 102.
Display floater at the present embodiment detects in structure, at least examines at described display floater
The centrage of geodesic structure is near the position a of first detection switch element K of display floater
Side (the namely left side of a position) is provided with and is in same with this detection switch element K
One redundancy switching element Q of row, one end of described redundancy switching element Q is believed with data
Number port 101 connects, and the other end is connected with redundant data signal line 104, and passes through institute
State switch signal line 102 to control.
Owing to the present embodiment detects the centrage of structure near display floater at display floater
The side of first detection switch element K increases redundancy switching element Q, and now this is superfluous
The position c of remaining switch element Q is equivalent to display floater of the prior art detection structure
Centrage near the position a of first of display floater detection switch element K, the most just
It is to say that the electric charge assembled after generation ESD in preparation process will be distributed to this Redundanter schalter list
On unit Q, the high temperature now produced will not puncture detection switch element K, thus avoids
The phenomenon being short-circuited.
In order to avoid ESD is excessive, other detections switch element K is impacted, this enforcement
In example preferably, between the adjacent described detection switch element K of be located at same a line two all
It is provided with described redundancy switching element Q.Of course for saving production cost, it is also possible to only
Single near first detection switch of display floater at the centrage of display floater detection structure
The side of unit K increases a redundancy switching element Q, or in order to preparation technology is simple,
Single near first detection switch of display floater at the centrage of display floater detection structure
The side of unit's K column arranges string redundancy switching element Q.
Simplicity during in order to detect, in the detection structure of the display floater of the present embodiment, preferably
Ground, be located at the described detection switch element K and described redundancy switching element Q of same a line with
Same described data signal port 101 connects；It is located at the described Redundanter schalter list of same string
Unit Q is cascaded and is connected with same switch signal line 102；The redundancy being disposed adjacent
Switch element Q and detection switch element K is controlled by different switch signal line 102.
For this kind of set-up mode of the clearer explanation benefit when detecting display floater, below
To include that the detection structure of the data wire size port of tri-kinds of colors of R, G, B illustrates.
As it is shown on figure 3, lead to phase to the data wire size port of tri-kinds of colors of R, G, B simultaneously
The data signal answered, and gating switch holding wire 102 line by line, when gating first switch letter
During number line 102, the detection switch element now controlled by first switch signal line 102
K and redundancy switching element Q will open, certainly due to redundancy switching element Q and redundant digit
Connecting according to holding wire 104, do not access in display floater, now redundancy switching element Q connects
The signal being subject to is equivalent to " glitch ", the detection of display floater will not be played work
With, and now detect switch element K by data detection signal line 103 and display floater
Data wire connect, drive in display floater with this data detection signal line 103 right
The each pixel cell answered is luminous, if it is bad to be found to have display, then explanation may certain single data
Line exists bad.In like manner, gating other switch signal line 102 successively, detection mode is identical.
In the display floater detection structure of the present embodiment, it is preferable that redundancy switching element Q
It is thin film transistor (TFT) with detection switch element K.Now, the thin film being located at same string is brilliant
The source electrode of body pipe connects data signal port 101, drain electrode is chained together, and grid connects same opening
OFF signal line 102.Certainly, redundancy switching element Q and detection switch element K can also
It is other switch elements.
Embodiment 2:
The present embodiment provides a kind of display floater, and this display floater includes in embodiment 1
Display floater detection structure, this display floater detection structure is connected with source driving chip,
Source driving chip connects the data wire of display floater.
The present embodiment also provides for a kind of display device, and this display device includes above-mentioned display surface
Plate.This display device can be mobile phone, computer, TV, digital camera etc..
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present
And the illustrative embodiments used, but the invention is not limited in this.For ability
For those of ordinary skill in territory, in the situation without departing from spirit and substance of the present invention
Under, various modification and improvement can be made, these modification and improvement are also considered as the present invention's
Protection domain.
Claims (8)
1. a display floater detection structure, including: data signal port, detection data
Holding wire, switch signal line, and it is arranged at data detection signal line and switch signal line
The detection switch element of infall, it is characterised in that at least detect at described display floater
The centrage of structure is provided with near the side of first detection switch element of display floater
With the redundancy switching element that this detection switch element is in same a line, described redundancy is opened
The one end closing unit is connected with data signal port, and the other end is with redundant data signal line even
Connect, and by described switching signal line traffic control.
Display floater the most according to claim 1 detection structure, it is characterised in that
It is located at and is provided with described redundancy between the two adjacent described detection switch elements of same a line and opens
Close unit.
Display floater the most according to claim 2 detection structure, it is characterised in that
Described detection switch element and the described redundancy switching element of being located at same a line are described with same
Data signal port connects.
Display floater the most according to claim 2 detection structure, it is characterised in that
Be located at the described redundancy switching element of same string be cascaded and with same switch signal line
Connect.
Display floater the most according to claim 2 detection structure, it is characterised in that
The redundancy switching element being disposed adjacent and detection switch element are by different switch signal line
Control.
Display floater the most as claimed in any of claims 1 to 5 detection knot
Structure, it is characterised in that described redundancy switching element and described detection switch element are thin
Film transistor.
7. a display floater, it is characterised in that include as appointed in claim 1 to 6
A described display floater of anticipating detects structure.
8. a display device, it is characterised in that include the display described in claim 7
Panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410101610.0A CN103913863B (en) | 2014-03-18 | 2014-03-18 | Display floater detection structure, display floater and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410101610.0A CN103913863B (en) | 2014-03-18 | 2014-03-18 | Display floater detection structure, display floater and display device |
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| Publication Number | Publication Date |
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| CN103913863A CN103913863A (en) | 2014-07-09 |
| CN103913863B true CN103913863B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334650B (en) * | 2014-08-14 | 2018-11-13 | 群创光电股份有限公司 | Display device and touch control display apparatus |
| CN107068046A (en) * | 2017-04-19 | 2017-08-18 | 京东方科技集团股份有限公司 | Display panel and display device |
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| US5576730A (en) * | 1992-04-08 | 1996-11-19 | Sharp Kabushiki Kaisha | Active matrix substrate and a method for producing the same |
| US6493047B2 (en) * | 1997-08-07 | 2002-12-10 | Lg. Philips Lcd Co., Ltd. | Liquid crystal display panel having electrostatic discharge prevention circuitry |
| CN101221330A (en) * | 2006-11-22 | 2008-07-16 | 卡西欧计算机株式会社 | Liquid crystal display device |
| KR100913805B1 (en) * | 2009-03-17 | 2009-08-26 | 실리콘 디스플레이 (주) | Apparatus of probing lighting for liquid crystaldisplay and testing method thereof |
| CN102800296A (en) * | 2012-07-03 | 2012-11-28 | 友达光电股份有限公司 | Liquid crystal display and related alignment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100658526B1 (en) * | 2000-08-08 | 2006-12-15 | 엘지.필립스 엘시디 주식회사 | Apparatus For Protecting Electrostatic Demage in Liquid Crystal Display |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5576730A (en) * | 1992-04-08 | 1996-11-19 | Sharp Kabushiki Kaisha | Active matrix substrate and a method for producing the same |
| US6493047B2 (en) * | 1997-08-07 | 2002-12-10 | Lg. Philips Lcd Co., Ltd. | Liquid crystal display panel having electrostatic discharge prevention circuitry |
| CN101221330A (en) * | 2006-11-22 | 2008-07-16 | 卡西欧计算机株式会社 | Liquid crystal display device |
| KR100913805B1 (en) * | 2009-03-17 | 2009-08-26 | 실리콘 디스플레이 (주) | Apparatus of probing lighting for liquid crystaldisplay and testing method thereof |
| CN102800296A (en) * | 2012-07-03 | 2012-11-28 | 友达光电股份有限公司 | Liquid crystal display and related alignment method |
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