CN1542527A - Electronic apparatus and antistatic discharge method thereof - Google Patents
Electronic apparatus and antistatic discharge method thereof Download PDFInfo
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- CN1542527A CN1542527A CNA031250181A CN03125018A CN1542527A CN 1542527 A CN1542527 A CN 1542527A CN A031250181 A CNA031250181 A CN A031250181A CN 03125018 A CN03125018 A CN 03125018A CN 1542527 A CN1542527 A CN 1542527A
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- liquid crystal
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Abstract
The electronic device and its antistatic discharge method can improve the performance of LCD module in resisting static discharge while lowering the manufacture cost greatly. The electronic device includes one circuit board, one LCD module and one controller. The circuit board has one earthing layer and the LCD module is set on the circuit board and possesses one center area, one peripheral area, one antistatic discharge circuit and one first pin. The controller on the circuit board is coupled with the LCD module for resetting the LCD module regularly. The antistatic discharge method includes providing the LCD module and resetting the LCD module regularly.
Description
Technical field
The present invention relates to the anti-electrostatic discharging method of a kind of electronic installation and anti-electrostatic discharging method, particularly a kind of electronic installation, it can in the situation that significantly reduces manufacturing cost, improve the defence capability of its liquid crystal display device module resisting static discharge.
Background technology
Liquid crystal display device module (Liquid Crystal Display Module; LCDM) along with manufacturing technology constantly progresses greatly, chromatic colour also has monochrome, but has also increased many problems.
In present electronic installation, its assembly becomes increasingly complex and is various, and liquid crystal display device module is then welded (Mounting) mussily at circuit board (Printed Circuit Board; PCB) on, this will increase static discharge (ESD; Electrostatic Discharge) the destruction chance of the liquid crystal display device module that brings; That is, when liquid crystal display device module was subject to electrostatic discharge effect, its display frame meeting was undesired, and for example, picture disappears, picture disply is imperfect or scarce lines etc.
Traditionally, the damage that brings in order to prevent and treat static discharge utilize metal cap to prevent that static discharge from damaging liquid crystal display device module at the shell of electronic installation, yet this has just increased manufacturing cost.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of electronic installation, it can in the situation that significantly reduces manufacturing cost, improve the defence capability of its liquid crystal display device module resisting static discharge.
Another object of the present invention is to provide a kind of anti-electrostatic discharging method, it prevents and reduces the damage of liquid crystal display device module that static discharge brings applicable to extremely complicated communication electronic device.
Accordingly, the invention provides a kind of electronic installation, it comprises a circuit board, a liquid crystal display device module and a controller; Circuit board has a ground plane, and liquid crystal display device module is arranged on the circuit board, and it has a central area, a surrounding zone, primary antibodie static discharge circuit and one first pin; The surrounding zone surrounds central area, and the anti-electrostatic discharging circuit is arranged on the surrounding zone, and the circuit on the liquid crystal display device module is all between anti-electrostatic discharging circuit and central area; The first pin couples with the ground plane of anti-electrostatic discharging circuit and circuit board respectively, with the static discharge on the liquid crystal display device module via anti-electrostatic discharging circuit and the first pin and ground connection; Controller is arranged on the circuit board, and couples with liquid crystal display device module, is used for every a given time, and liquid crystal display device module resets.
In a preferred embodiment, electronic installation also comprises one first circuit, and it connects the first pin and ground plane.
In another preferred embodiment, LCD MODULE also has a plurality of the second pins, and the first pin is positioned at the both sides of the second pin.
Again, electronic installation also comprises one second circuit, and it connects the pin in controller to the second pin.
The central area that will be appreciated that LCD MODULE is the display part of LCD MODULE, and the surrounding zone of LCD MODULE is the cabling part of LCD MODULE.
It should be noted that the anti-electrostatic discharging circuit can be made by indium tin oxide, it is preferably that its live width can be 0.15mm～0.35mm.
Again in the present invention, provide a kind of anti-electrostatic discharging method, it comprises: provide above-mentioned liquid crystal display device module, and every a given time, this liquid crystal display device module resets.
In a preferred embodiment, said method also comprises: return a setting value by the accurate position that makes liquid crystal display device module, liquid crystal display device module is resetted.
Again in the present invention, provide a kind of computer to read medium, the computer program of encoding is controlled the electronic installation anti-electrostatic discharging, and wherein computer program comprises following execution in step: above-mentioned liquid crystal display device module is provided, and every a given time, this liquid crystal display device module resets.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate accompanying drawing to be described in detail below.
Description of drawings:
Figure 1A is the schematic diagram of electronic installation of the present invention;
Figure 1B is another schematic diagram of electronic installation of the present invention;
Fig. 2 is the schematic diagram of the liquid crystal display device module among Figure 1A; And
Fig. 3 is the flow chart of anti-electrostatic discharging method of the present invention.
Description of reference numerals
1 electronic installation, 10 circuit boards
11 ground planes, 20 liquid crystal display device modules
21 central areas, 22 surrounding zones
23 anti-electrostatic discharging circuits, 24 first pins
25 second pins 251 pin that resets
26 circuits, 30 controllers
40 first circuits, 50 second circuits
The specific embodiment
Figure 1A, 1B show a kind of electronic installation 1 provided by the invention, it comprises a circuit board 10, a liquid crystal display device module 20, a controller 30, two the first circuits 40 and one second circuit 50, will be appreciated that and in electronic installation, also be provided with other assembly, for example, shell etc., but since with the present invention than onrelevant, in diagram, do not draw especially, and the description thereof will be omitted.
Circuit board 10 is basic modules of electronic installation 1, and it can provide electronic installation 1 required basic function, and it is a multilayer board, and has therein a ground plane (or ground plane) 11, as shown in Figure 1B.
Liquid crystal display device module 20 is arranged on the circuit board 10, and as shown in Figure 2, can be divided into a central area 21 and a surrounding zone 22, central area 21 can be used as the display part of liquid crystal display device module 20, and surrounding zone 22 surrounds central area 21, and as the cabling part of liquid crystal display device module 20, that is, can be in the surrounding zone 22 form primary antibodie static discharge circuits 23, two the first pins 24, eight the second pins 25 and many circuits 26.
The first pin 24 respectively with anti-electrostatic discharging circuit 23 be connected circuit 40 and be connected, and via the first circuit 40, the first pin 24 can couple with the ground plane 11 of circuit board 10, static discharge energy on the liquid crystal display device module 20 can be passed to the first pin 24 via anti-electrostatic discharging circuit 23 by this, and then be directed to the ground plane 11 of circuit board 10 and ground connection; Again, will be appreciated that in the present embodiment that the number that arranges of the first pin 24 is two, but when reality is used, is not limited to this.
The second pin 25 is arranged between two first pins 24, that is, the first pin 24 is positioned at the both sides (both sides) of the second pin 25; Again, in the second pin 25, has the pin 251 that resets, to receive the reset signal of self-controller 30; In addition, will be appreciated that in the present embodiment that the number that arranges of the second pin 25 is eight, but when reality is used, also is not limited to this.
Controller 30 is arranged on the circuit board 10, and couple with liquid crystal display device module 20 via the second circuit 50, be used for every a given time, send a control signal, via the pin 251 that resets, make the accurate position of liquid crystal display device module 20 return a typical set value, to upgrade the display frame of liquid crystal display device module 20, and liquid crystal display device module 20 is resetted (reset), and then reduce static discharge to infringement or the impact of the liquid crystal display device module 20 on the circuit board 10.
The first circuit 40 as mentioned above, ground plane 11, the second circuits 50 that are used for connecting the first pin 24 of liquid crystal display device module 20 and circuit board 10 then are used for connecting the pin 251 that resets in controller 30 and the second pin 25.
The hardware that more than is electronic installation 1 of the present invention consists of, below its anti-electrostatic discharging method of explanation.
With reference to figure 3, anti-electrostatic discharging method of the present invention comprises the following steps: every a given time, that is, shown in the step S11 of Fig. 3, (for example postponing n second, 7 seconds) after, controller 30 sends control signal, makes the accurate position of liquid crystal display device module 20 return a setting value (for example, " H "), shown in the step S12 of Fig. 3, with this liquid crystal display device module 20 that resets; Again, as shown in Figure 3, above-mentioned steps is sustainable carries out, until power-off.
In addition, according to another kenel of the present invention, mode that also can software control is carried out said method,, controls the electronic installation anti-electrostatic discharging with being encoded in the computer program that computer reads in the medium, as described in the above embodiment of the present invention that is.
According to EN61000-4-2 or IEC1000-4-2 or ETS 300 342-1 standards, done following test, with the comparison as liquid crystal display device module anti-static-discharge capability of the present invention and existing liquid crystal display device module anti-electrostatic discharging again.
In table 1, by atmospherical discharges (Air Discharge) ESD (± 2KV; ± 4KV; ± 8KV; ± 15KV) come the liquid crystal display device module on the electronic installation is tested, and in table 2, by contact discharge (Contact Discharge) ESD (± 2KV; ± 4KV; ± 6KV; ± 8KV) come the liquid crystal display device module on the electronic installation is tested.
Table 1 is tested liquid crystal display device module with atmospherical discharges (Air Discharge)
| After the ESD test, affect the kenel of liquid crystal display | The result of (Reset) liquid crystal display resets | |
| Existing liquid crystal display device module | Liquid crystal display display frame undesired (picture disappears, picture disply is imperfect or scarce lines etc.) 2. liquid crystal display without display frame | 1. liquid crystal display can not recover normal demonstration. 2. liquid crystal display can't show. |
| Liquid crystal display device module of the present invention | 1. liquid crystal display can not be subject to ESD and damage and destroy 2. liquid crystal display display frames undesired (picture disappears, picture disply is imperfect or scarce lines etc.) | 1. liquid crystal display normally shows. 2. liquid crystal display recovers normal demonstration. |
Table two is tested liquid crystal display device module with contact discharge (Contact Discharge)
| After the ESD test, affect the kenel of liquid crystal display | The result of (Reset) liquid crystal display resets | |
| Existing liquid crystal display device module | Liquid crystal display display frame undesired (picture disappears, picture disply is imperfect or scarce lines etc.) 2. liquid crystal display without display frame | 1. liquid crystal display can not recover normally to show that 2. liquid crystal displays can't show |
| Liquid crystal display device module of the present invention | 1. liquid crystal display can not be subject to ESD and damage and destroy 2. liquid crystal display display frames undesired (picture disappears, picture disply is imperfect or scarce lines etc.) | 1. liquid crystal display is normal shows that 2. liquid crystal displays recover normal and show |
By table 1 and table 2 as can be known, no matter be by atmospherical discharges or contact discharge comes the liquid crystal display device module on the electronic installation is tested, liquid crystal display device module of the present invention all can obtain good effect.
By electronic installation of the present invention and anti-electrostatic discharging method thereof, can obtain following advantage:
1. the ground connection pin by liquid crystal display device module outermost both sides can be with the static discharge energy that meets with on the liquid crystal display device module, dredges ground plane on the circuit board by the anti-electrostatic discharging circuit;
2. by built-in software code in controller, send control signal to liquid crystal display device module every several seconds, make liquid crystal display device module can remain on normal display state always;
3. the liquid crystal display device module shell of electronic installation can be used the plastics manufacturing, significantly reduces whole electronic installation weight, and quality lightens and be attractive in appearance;
4. the hardware by electronic installation of the present invention consists of, and can remove static discharge for the permanent lesion of liquid crystal display device module, and by the interior software that is built in the controller, then can remove static discharge for the temporary impact of liquid crystal display device module.
Although the present invention discloses as above in conjunction with the preferred embodiments; so it is not to limit the present invention, those skilled in the art, without departing from the spirit and scope of the present invention; can do a little change and retouching, so protection scope of the present invention is with being as the criterion that claims were defined.
Claims (16)
1. electronic installation comprises:
One circuit board has a ground plane;
One liquid crystal display device module, be arranged on this circuit board, and have a central area, a surrounding zone, primary antibodie static discharge circuit and one first pin, wherein this surrounding zone surrounds this central area, this anti-electrostatic discharging circuit is arranged on this surrounding zone, and the circuit on this liquid crystal display device module is all between this anti-electrostatic discharging circuit and this central area, and this first pin couples with the ground plane of this anti-electrostatic discharging circuit and this circuit board respectively, with the static discharge on this liquid crystal display device module via this anti-electrostatic discharging circuit and this first pin and ground connection; And
One controller is arranged on this circuit board, and couples with this liquid crystal display device module, is used for every a given time, and this liquid crystal display device module resets.
2. electronic installation as claimed in claim 1 also comprises:
One first circuit connects this first pin and this ground plane.
3. electronic installation as claimed in claim 1, wherein this LCD MODULE also has a plurality of the second pins, and this first pin is positioned at the both sides of these the second pins.
4. electronic installation as claimed in claim 3 also comprises:
One second circuit connects the pin of this controller to these second pins.
5. electronic installation as claimed in claim 1, wherein the central area of this LCD MODULE is the display part of this LCD MODULE.
6. electronic installation as claimed in claim 1, wherein the surrounding zone of this LCD MODULE is the cabling part of this LCD MODULE.
7. electronic installation as claimed in claim 1, wherein this anti-electrostatic discharging circuit is made by indium tin oxide.
8. electronic installation as claimed in claim 1, wherein the live width of this anti-electrostatic discharging circuit is 0.15mm～0.35mm.
9. the anti-electrostatic discharging method of an electronic installation comprises:
One liquid crystal display device module is provided, have a central area, a surrounding zone and primary antibodie static discharge circuit, wherein this surrounding zone surrounds this central area, this anti-electrostatic discharging circuit is arranged on this surrounding zone, and the circuit on this liquid crystal display device module is all between this anti-electrostatic discharging circuit and this central area; And
Every a given time, this liquid crystal display device module resets.
10. method as claimed in claim 9 also comprises:
Return a setting value by the accurate position that makes this liquid crystal display device module, this liquid crystal display device module is resetted.
11. method as claimed in claim 9, wherein this anti-electrostatic discharging circuit is made by indium tin oxide.
12. method as claimed in claim 9, wherein the live width of this anti-electrostatic discharging circuit is 0.15mm～0.35mm.
13. a computer reads medium, the computer program of encoding is controlled the electronic installation anti-electrostatic discharging, and wherein this computer program comprises following execution in step:
One liquid crystal display device module is provided, have a central area, a surrounding zone and primary antibodie static discharge circuit, wherein this surrounding zone surrounds this central area, this anti-electrostatic discharging circuit is arranged on this surrounding zone, and the circuit on this liquid crystal display device module is all between this anti-electrostatic discharging circuit and this central area; And
Every a given time, this liquid crystal display device module resets.
14. computer as claimed in claim 13 reads medium, also comprises:
Return a setting value by the accurate position that makes this liquid crystal display device module, this liquid crystal display device module is resetted.
15. computer as claimed in claim 13 reads medium, wherein this anti-electrostatic discharging circuit is made by indium tin oxide.
16. computer as claimed in claim 13 reads medium, wherein the live width of this anti-electrostatic discharging circuit is 0.15mm～0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03125018 CN1292300C (en) | 2003-04-29 | 2003-04-29 | Electronic apparatus and antistatic discharge method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03125018 CN1292300C (en) | 2003-04-29 | 2003-04-29 | Electronic apparatus and antistatic discharge method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1542527A true CN1542527A (en) | 2004-11-03 |
| CN1292300C CN1292300C (en) | 2006-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03125018 Expired - Fee Related CN1292300C (en) | 2003-04-29 | 2003-04-29 | Electronic apparatus and antistatic discharge method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1292300C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304887C (en) * | 2004-11-25 | 2007-03-14 | 友达光电股份有限公司 | Electrostatic discharge protection circuit |
| CN100452164C (en) * | 2005-12-29 | 2009-01-14 | 统宝光电股份有限公司 | Display module having drive circuit board capable of isolating extraneous static |
| CN103329031A (en) * | 2011-01-27 | 2013-09-25 | 日本精机株式会社 | Liquid crystal display device |
| WO2017036098A1 (en) * | 2015-09-02 | 2017-03-09 | 京东方科技集团股份有限公司 | Display device and drive method |
| CN108513523A (en) * | 2018-03-30 | 2018-09-07 | 信利半导体有限公司 | A kind of antistatic disabling device for display device |
| CN111192542A (en) * | 2020-02-27 | 2020-05-22 | Tcl华星光电技术有限公司 | Static electricity removing device and method of driving chip and display device |
-
2003
- 2003-04-29 CN CN 03125018 patent/CN1292300C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304887C (en) * | 2004-11-25 | 2007-03-14 | 友达光电股份有限公司 | Electrostatic discharge protection circuit |
| CN100452164C (en) * | 2005-12-29 | 2009-01-14 | 统宝光电股份有限公司 | Display module having drive circuit board capable of isolating extraneous static |
| CN103329031A (en) * | 2011-01-27 | 2013-09-25 | 日本精机株式会社 | Liquid crystal display device |
| CN103329031B (en) * | 2011-01-27 | 2016-01-20 | 日本精机株式会社 | Liquid crystal indicator |
| US9411202B2 (en) | 2011-01-27 | 2016-08-09 | Nippon Seiki Co., Ltd. | Liquid crystal display device |
| WO2017036098A1 (en) * | 2015-09-02 | 2017-03-09 | 京东方科技集团股份有限公司 | Display device and drive method |
| US10332459B2 (en) | 2015-09-02 | 2019-06-25 | Boe Technology Group Co., Ltd. | Display device and a driving method |
| CN108513523A (en) * | 2018-03-30 | 2018-09-07 | 信利半导体有限公司 | A kind of antistatic disabling device for display device |
| CN111192542A (en) * | 2020-02-27 | 2020-05-22 | Tcl华星光电技术有限公司 | Static electricity removing device and method of driving chip and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1292300C (en) | 2006-12-27 |
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Granted publication date: 20061227 |