CN204009273U - Anti-static display device and detection device thereof - Google Patents
Anti-static display device and detection device thereof Download PDFInfo
- Publication number
- CN204009273U CN204009273U CN201420337975.9U CN201420337975U CN204009273U CN 204009273 U CN204009273 U CN 204009273U CN 201420337975 U CN201420337975 U CN 201420337975U CN 204009273 U CN204009273 U CN 204009273U
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- conducting terminal
- display device
- electrically connected
- electrostatic prevention
- prevention display
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- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000002265 prevention Effects 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 26
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000011347 resin Substances 0.000 abstract 3
- 229920005989 resin Polymers 0.000 abstract 3
- 230000005611 electricity Effects 0.000 abstract 2
- 239000004020 conductor Substances 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- SXHLTVKPNQVZGL-UHFFFAOYSA-N 1,2-dichloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C=CC=2)Cl)=C1 SXHLTVKPNQVZGL-UHFFFAOYSA-N 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- MTLMVEWEYZFYTH-UHFFFAOYSA-N 1,3,5-trichloro-2-phenylbenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=CC=C1 MTLMVEWEYZFYTH-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a prevent static display device and prevent static display device's detection device, prevent static display device and include first base plate, with the relative second base plate that sets up of first base plate the second base plate is kept away from first base plate one side is provided with shielding electrode first base plate step department is provided with first conductive terminal and the second conductive terminal of insulating of each other, the one end connecting ground point of first conductive terminal, the test point is connected to the one end of second conductive terminal, and the conducting resin will first conductive terminal is connected with second conductive terminal electricity, and will shielding electrode with first conductive terminal electricity is connected, realizes the detection alarming function when conducting resin is leaked to scribbled or the conducting resin coating position is wrong.
Description
Technical field
The utility model relates to flat panel display, particularly the pick-up unit of a kind of static display device and electrostatic prevention display device.
Background technology
Plane conversion type (In Plane Switching, IPS) liquid crystal indicator has fast response time, and visible angle is large, real colour, and the advantage such as dynamic menu is outstanding, low-power consumption, is widely used in various fields.Because IPS type liquid crystal indicator is all placed on two electrodes on the same face, when applying voltage, liquid crystal molecule planar rotates, and shows different display frame.
When in different environments for use, panel surface is rubbed, can be at the tired electrostatic field that forms of display panel surface area, and the liquid crystal electric field in IPS type liquid crystal indicator is easily subject to the impact of electrostatic field, occurs the bad phenomenon such as light leak.Therefore, conventionally can one deck guarded electrode be set in the upper substrate surface of IPS type liquid crystal indicator, by conductive material, guarded electrode be electrically connected to infrabasal plate, and then be connected to earth terminal.When there is large electrostatic interaction substrate surface moment, can static be led away by infrabasal plate by conductive material.
When guarded electrode not being electrically connected to infrabasal plate with conductive material, namely guarded electrode not being electrically connected to earth terminal is that display device can normally show.But; the display device that conductive material is not set in back segment production run, particularly tear in the diaphragm process of polaroid; extremely easily produce static; cause the damage of substrate cabling; thereby cause yield loss and the quality hidden danger of display device; for example: to the display device with combination of touch control function, noise signal disturbs the touching signals of display device.The product design of display device and picture pick-up unit in prior art, all cannot realize the function that detect and report to the police conductive material holiday or conductive material apply positional fault.
Summary of the invention
The utility model embodiment provides the pick-up unit of a kind of electrostatic prevention display device and electrostatic prevention display device, the detection alarm function in the time of can realizing conducting resinl holiday or conducting resinl coating positional fault.
A kind of electrostatic prevention display device comprises first substrate, the second substrate being oppositely arranged with described first substrate, at described second substrate, away from described first substrate one side, be provided with guarded electrode, at described first substrate step place, be provided with the first conducting terminal and second conducting terminal of mutual insulating, one end of described the first conducting terminal connects earth point, one end connecting test point of described the second conducting terminal, conducting resinl, described the first conducting terminal is electrically connected to the second conducting terminal, and described guarded electrode is electrically connected to described the first conducting terminal.
A kind of electrostatic prevention display device pick-up unit, comprise above-mentioned electrostatic prevention display device, with the circuit board that described electrostatic prevention display device is electrically connected to, described circuit board comprises and for detection of described the first conducting terminal, being electrically connected to the second conducting terminal and detecting unit that described guarded electrode is electrically connected to described the first conducting terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the electrostatic prevention display device structure vertical view that the utility model provides;
Fig. 2 be in Fig. 1 electrostatic prevention display device at a kind of structure partial enlarged drawing of region A;
Fig. 3 be in Fig. 1 electrostatic prevention display device at the another kind of structure partial enlarged drawing of region A;
Fig. 4 be in Fig. 1 electrostatic prevention display device at the another kind of structure partial enlarged drawing of region A;
Fig. 5 is the first conducting terminal and the second conductive terminal structure figure in Fig. 4;
Fig. 6 is the structure of the detecting device vertical view of the electrostatic prevention display device that provides of the utility model;
Fig. 7 is that the pick-up unit of electrostatic prevention display device in Fig. 6 is at the partial enlarged drawing of region B;
Fig. 8 is the detection cell circuit figure of the pick-up unit of the electrostatic prevention display device that provides of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the electrostatic prevention display device structure vertical view that the utility model provides.Fig. 2 be in Fig. 1 electrostatic prevention display device at a kind of structure partial enlarged drawing of region A.As shown in Figure 1, electrostatic prevention display device comprises first substrate, the second substrate being oppositely arranged with first substrate, in the present embodiment, first substrate is array base palte 12, second substrate is color membrane substrates 10, array base palte 12 is compared the outstanding step 121 of color membrane substrates 10, for COG (Chip On Glass, the chip that arranges on glass) display device, IC (chip) 122 can be set at step 121 places, and be provided with a plurality of signal transmission terminal (not shown)s in the Chang Bian of step 121 edge, signal transmission terminal is electrically connected to flexible PCB 20, carry out the transmission of data-signal.Shown in Fig. 2, at a side place of array base palte step 121, be also provided with the first conducting terminal 15 and second conducting terminal 16 of mutual insulating, the first conducting terminal 15 and the second conducting terminal 16 are strip structure, and the first conducting terminal 15 and the second conducting terminal 16 are along arranging perpendicular to the direction at step 121 edges, long limit.Flexible PCB 30 is electrically connected to array base palte 12, is provided with earth point GND and test point DP on flexible PCB.The first conducting terminal 15 one end by flexible PCB, be connected to earth point GND, one end of the second conducting terminal 16 is connected to test point DP by flexible PCB.
Because display device is easily subject to the impact of static, therefore, in the outside of color membrane substrates 10, a side of array base palte 12 (away from) is provided with one deck guarded electrode 101, and guarded electrode 101 can adopt the transparent conductive materials such as ITO (tin indium oxide).At color membrane substrates 12, near a side of array base palte step 121, be provided with conducting resinl 14, conducting resinl 14 is electrically connected to the first conducting terminal 15 with the second conducting terminal 16, also guarded electrode 101 is electrically connected to the first conducting terminal 15 simultaneously, the static that assurance is accumulated on color membrane substrates 10 can pass through guarded electrode 101, via conducting resinl 14, the first conducting terminal 16 earth point GND that releases.Conventionally, conducting resinl 14 can be selected conductive silver paste, by artificial some glue mode, conductive silver paste is dripped to the position being electrically connected at needs, be guarded electrode 101 and the first conducting terminal 15 and the second conducting terminal 16 positions, the dropping area of conductive silver paste enough covers this position, make the first conducting terminal 15, conducting resinl 14 and the second conducting terminal 16 form and detect loop, only have when conducting resinl 14 is electrically connected to the first conducting terminal 15 and the second conducting terminal 16, detecting loop could normally be communicated with, detection alarm function in the time of can realizing conducting resinl holiday or conducting resinl coating positional fault by this structure.
Above are only a kind of of the present embodiment, the first conducting terminal 15 one end also can be connected directly to the earth point GND in IC, one end of the second conducting terminal 16 is connected directly to the test point DP in IC.The first conducting terminal and the second conducting terminal can also be arranged on the opposite side of step 121, and the utility model is not done any restriction.
Fig. 3 be in Fig. 1 electrostatic prevention display device at the another kind of structure partial enlarged drawing of region A.As shown in Figure 3, electrostatic prevention display device comprises the first conducting terminal 15 and the second conducting terminal 16 that mutual insulating arranges, be with the structure difference of electrostatic prevention display device in Fig. 2 at region A, the first conducting terminal and the second conducting terminal are arranged along the direction that is parallel to step 121 edges, long limit.The first conducting terminal 15 one end by flexible PCB, be connected to earth point GND, one end of the second conducting terminal 16 is connected to test point DP by flexible PCB.The electrostatic prevention display device providing in Fig. 2 is provided, in the present embodiment, the first conducting terminal 15 is identical with the distance of guarded electrode 101 with the second conducting terminal 16, and all near the marginal position of guarded electrode 101, therefore, when dripping conducting resinl, do not need again the integral width across the first conducting terminal 15, just the first conducting terminal 15 can be electrically connected to the second conducting terminal 16, also the first conducting terminal 15 is electrically connected to guarded electrode simultaneously, guaranteed to form the reliability that detects loop, detection alarm function while realizing conducting resinl holiday or conducting resinl coating positional fault.The connected mode of the first conducting terminal and the second conducting terminal is identical with the electrostatic prevention display device providing in Fig. 2, does not repeat them here.
Fig. 4 be in Fig. 1 electrostatic prevention display device at the another kind of structure partial enlarged drawing of region A.Fig. 5 is the first conducting terminal and the second conductive terminal structure figure in Fig. 4.As shown in Figure 4, electrostatic prevention display device comprises the first conducting terminal 15 and the second conducting terminal 16 that mutual insulating arranges.Shown in Fig. 5, be with the structure difference of electrostatic prevention display device in Fig. 2 at region A, the first conducting terminal 15 and the second conducting terminal 16 are comb teeth-shaped, the first conducting terminal 15 comprises the branch line portion 152 that 151He Yu end, end 151 connects, the second conducting terminal 16 comprises the branch line portion 162 that 161He Yu end, end 161 connects, the first conducting end, branch line portion 162 alternate intervals of 15 branch line portion 152 and the second conducting terminal 16 are arranged.In the present embodiment, the first conducting terminal 15 and the second conducting terminal 16 are along arranging perpendicular to the direction at step 121 edges, long limit, and certainly, the first conducting terminal 15 and the second conducting terminal 16 can also be arranged along the direction that is parallel to step 121 edges, long limit.The first conducting terminal 15 one end by flexible PCB, be connected to earth point GND, one end of the second conducting terminal 16 is connected to test point DP by flexible PCB.The electrostatic prevention display device providing in Fig. 2 is provided, in the present embodiment, the first conducting terminal 15 and the second conducting terminal 16 adopt comb teeth-shaped structure, both branch line portions are arranged alternately with each other, therefore, when dripping conducting resinl, be more convenient for allowing the first conducting terminal be electrically connected to the second conducting terminal, guaranteed to form the reliability that detects loop, the detection alarm function while realizing conducting resinl holiday or conducting resinl coating positional fault.The connected mode of the first conducting terminal and the second conducting terminal is identical with the electrostatic prevention display device providing in Fig. 2, does not repeat them here.
Fig. 6 is the structure of the detecting device vertical view of the electrostatic prevention display device that provides of the utility model.Fig. 7 is that the pick-up unit of electrostatic prevention display device in Fig. 6 is at the partial enlarged drawing of region B.As shown in Figure 6, the pick-up unit of electrostatic prevention display device comprises above-mentioned electrostatic prevention display device, the circuit board 30 being electrically connected to electrostatic prevention display device.Shown in Fig. 7, circuit board 30 comprises for detection of the first conducting terminal 15 and being electrically connected to the second conducting terminal 16, and the detecting unit 31 that is electrically connected to the first conducting terminal 16 of described guarded electrode 101.In the present embodiment, earth point GND and test point DP are arranged in the detecting unit 31 of circuit board 31, first conducting terminal 15 one end are electrically connected to the earth point GND of circuit board 30 by flexible PCB 20, and second conducting terminal 16 one end are electrically connected to the test point DP of the detecting unit 31 of circuit board 30 by flexible PCB 20.
Fig. 8 is the detection cell circuit figure of the pick-up unit of the electrostatic prevention display device that provides of the utility model.The detecting unit of the pick-up unit of electrostatic prevention display device comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, transistor M1 and alarm 311, the first resistance R 1 first end, the second resistance R 2 first ends and transistor M1 first utmost point are electrically connected to test point DP, the first resistance R 1 second end and the 3rd resistance R 3 first ends are electrically connected to power input VCC, the second resistance R 2 second ends are connected with earth point GND with alarm 311 first ends, the 3rd resistance R 3 second ends are electrically connected to transistor M1 second utmost point, and alarm 311 second ends are electrically connected to transistor M1 the 3rd utmost point.Shown in Fig. 7 and Fig. 8, when conducting resinl drips correct position, first conducting terminal 15 one end are electrically connected to second conducting terminal 16 one end, first conducting terminal 15 other ends are electrically connected to the earth point GND on circuit board 30 by flexible PCB 20, second conducting terminal 16 other ends are electrically connected to the check point DP in detecting unit on circuit board 30 by flexible PCB 20, have formed detection loop.When conducting resinl area coverage enough large, and, when conducting resinl drips correct position, i.e. simultaneously cover part the first conducting terminal, the second conducting terminal and guarded electrode, the first conducting terminal 15 and the second conducting terminal 16 conductings, check point DP is electrically connected to earth point GND, and the grid of transistor M3 is electronegative potential, transistor M1 is in closed condition, and alarm 311 is not worked; When conducting resinl does not drip or drip positional fault, there is no cover part the first conducting terminal, the second conducting terminal and guarded electrode simultaneously, the first conducting terminal 15 and the second conducting terminal 16 disconnect, check point DP is not electrically connected to earth point GND, the grid of transistor M3 is the noble potential after the first resistance R 1 and the second resistance R 2 dividing potential drops, transistor M1 is in opening, and supply voltage provides alarm 311 operating voltage after by the 3rd resistance R 3 dividing potential drops, and alarm 311 work start.Alarm can be hummer, when conducting resinl does not drip or drip positional fault, pipes and warns.One diode D1 and alarm 311 can also be arranged in parallel, for afterflow protective effect.
In addition, check point DP also can receive the intelligent chip on circuit board 30, judges the current potential height of check point DP by program, realizes warning function.
The electrostatic prevention display device above the utility model embodiment being provided and the pick-up unit of electrostatic prevention display device.Be described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (10)
1. an electrostatic prevention display device, comprises first substrate; Second substrate with described first substrate is oppositely arranged, is provided with guarded electrode at described second substrate away from described first substrate one side; At described first substrate step place, be provided with the first conducting terminal and second conducting terminal of mutual insulating, one end of described the first conducting terminal connects earth point, one end connecting test point of described the second conducting terminal; Conducting resinl, is electrically connected to described the first conducting terminal with the second conducting terminal, and described guarded electrode is electrically connected to described the first conducting terminal.
2. electrostatic prevention display device as claimed in claim 1, it is characterized in that, described the first conducting terminal and the second conducting terminal are comb teeth-shaped, comprise end and the branch line portion being connected with described end, the branch line portion alternate intervals of the branch line portion of described the first conducting terminal and described the second conducting terminal is arranged.
3. electrostatic prevention display device as claimed in claim 1, is characterized in that, described the first conducting terminal and the second conducting terminal are bar shaped.
4. the electrostatic prevention display device as described in claim 1-3 any one, is characterized in that, described the first conducting terminal and the second conducting terminal are along parallel or arrange perpendicular to the direction at edge, the long limit of described step.
5. electrostatic prevention display device as claimed in claim 1, is characterized in that, also comprises the flexible PCB being electrically connected to described first substrate, and described earth point and test point are arranged on described flexible PCB.
6. electrostatic prevention display device as claimed in claim 1, is characterized in that, described conducting resinl is conductive silver paste.
7. a pick-up unit for electrostatic prevention display device, comprises electrostatic prevention display device as claimed in claim 1; With the circuit board that described electrostatic prevention display device is electrically connected to, described circuit board comprises and for detection of described the first conducting terminal, being electrically connected to the second conducting terminal and detecting unit that described guarded electrode is electrically connected to described the first conducting terminal.
8. the pick-up unit of electrostatic prevention display device as claimed in claim 1, it is characterized in that, described detecting unit comprises the first resistance, the second resistance, the 3rd resistance, transistor and alarm, described the first resistance first end, described the second resistance first end and described transistor first utmost point are electrically connected to described test point, described first resistance the second end and described the 3rd resistance first end are electrically connected to power input, described second resistance the second end is connected with described earth point with described alarm first end, described the 3rd resistance the second end is electrically connected to described transistor second utmost point, described alarm the second end is electrically connected to described transistor the 3rd utmost point.
9. the pick-up unit of electrostatic prevention display device as claimed in claim 8, is characterized in that, described alarm is hummer.
10. the pick-up unit of electrostatic prevention display device as claimed in claim 1, it is characterized in that, described first conducting terminal one end is electrically connected to the earth point of described circuit board by flexible PCB, and described second conducting terminal one end is electrically connected to the test point of described circuit board by flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337975.9U CN204009273U (en) | 2014-06-23 | 2014-06-23 | Anti-static display device and detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337975.9U CN204009273U (en) | 2014-06-23 | 2014-06-23 | Anti-static display device and detection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009273U true CN204009273U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420337975.9U Expired - Lifetime CN204009273U (en) | 2014-06-23 | 2014-06-23 | Anti-static display device and detection device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204009273U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371658A (en) * | 2016-06-24 | 2017-02-01 | 友达光电股份有限公司 | Panel board |
| WO2017152459A1 (en) * | 2016-03-10 | 2017-09-14 | 深圳市华星光电技术有限公司 | Liquid crystal display apparatus |
| CN107369402A (en) * | 2017-07-19 | 2017-11-21 | 武汉天马微电子有限公司 | Display panel, detection method thereof and display device |
| CN108508644A (en) * | 2018-04-10 | 2018-09-07 | 上海贝思特电气有限公司 | A kind of display panel and display |
| CN108700787A (en) * | 2016-03-01 | 2018-10-23 | 夏普株式会社 | The inspection method of display device and display device |
| CN109683374A (en) * | 2019-03-05 | 2019-04-26 | 信利（惠州）智能显示有限公司 | Display panel and display device |
| CN111443512A (en) * | 2020-04-17 | 2020-07-24 | 业成科技（成都）有限公司 | Panel assembly, display panel and electrostatic discharge structure |
| CN115116363A (en) * | 2022-06-08 | 2022-09-27 | 厦门天马微电子有限公司 | Display panel, display device and display panel conductive adhesive coating detection method |
-
2014
- 2014-06-23 CN CN201420337975.9U patent/CN204009273U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700787A (en) * | 2016-03-01 | 2018-10-23 | 夏普株式会社 | The inspection method of display device and display device |
| WO2017152459A1 (en) * | 2016-03-10 | 2017-09-14 | 深圳市华星光电技术有限公司 | Liquid crystal display apparatus |
| CN106371658A (en) * | 2016-06-24 | 2017-02-01 | 友达光电股份有限公司 | Panel board |
| CN107369402A (en) * | 2017-07-19 | 2017-11-21 | 武汉天马微电子有限公司 | Display panel, detection method thereof and display device |
| CN108508644A (en) * | 2018-04-10 | 2018-09-07 | 上海贝思特电气有限公司 | A kind of display panel and display |
| CN109683374A (en) * | 2019-03-05 | 2019-04-26 | 信利（惠州）智能显示有限公司 | Display panel and display device |
| CN111443512A (en) * | 2020-04-17 | 2020-07-24 | 业成科技（成都）有限公司 | Panel assembly, display panel and electrostatic discharge structure |
| CN115116363A (en) * | 2022-06-08 | 2022-09-27 | 厦门天马微电子有限公司 | Display panel, display device and display panel conductive adhesive coating detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
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| CX01 | Expiry of patent term |