CN201666994U - Anti-static liquid crystal display screen - Google Patents
Anti-static liquid crystal display screen Download PDFInfo
- Publication number
- CN201666994U CN201666994U CN2010201401980U CN201020140198U CN201666994U CN 201666994 U CN201666994 U CN 201666994U CN 2010201401980 U CN2010201401980 U CN 2010201401980U CN 201020140198 U CN201020140198 U CN 201020140198U CN 201666994 U CN201666994 U CN 201666994U
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- CN
- China
- Prior art keywords
- display screen
- glass film
- conductive glass
- metal frame
- liquid crystal
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- Expired - Fee Related
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Abstract
The utility model relates to an anti-static liquid crystal display screen, which comprises a liquid crystal display screen, a metal frame and a layer of conductive glass film, wherein one surface of the conductive glass film is conductive, the other surface of the conductive glass film is nonconductive, the conductive glass film is positioned between the liquid crystal display screen and the metal frame, the conductive surface of the conductive glass film is electrically connected with the metal frame, and the metal frame is grounded. People know that the momentary blackening phenomenon can occur when an ordinary liquid crystal display screen is touched by a finger because of the static effect on the finger. The display screen with the conductive glass film has no response when being touched by the finger. The display screen with good grounding effect uses a static generator for realizing 8KV direct discharging, the display screen does not have any abnormality, and the utility model enhances the static immunity of the display screen.
Description
Technical field
The utility model relates to a kind of LCDs, relates in particular to a kind of electrostatic prevention liquid crystal display screen.
Background technology
In fields such as electric load control terminal manufacturings, intelligent degree is more and more higher, and display screen is indispensable as the assembly of man-machine interaction.Yet the reliability of load control terminal is concerning the production of enterprise, resident's electricity consumption.State Grid Corporation of China, Southern Power Grid Company have formulated strict technical manual for this reason.The static immunity to interference of " Guangdong Power Grid company load management system technical manual 0903 edition " given load control terminal wherein: " under the normal running conditions, should be able to bear the direct static discharge of 8KV that is added on its shell and the personnel operation part and the indirect static discharge between nearby device and the action and damaging of not making a mistake.”
In the face of the strict display screen that requires stands in the breach as the window of load control terminal.Find that through a large amount of static tests display screen white screen (can't show any literal) easily takes place, lacks and draw, even damages when harsh static discharge.See that according to a large amount of rig-site utilization situations white screen also happens occasionally.
The analysis found that, because electric load control terminal scene generally is installed in by power distribution room, the transformer.Near electrostatic field, electromagnetic field are very complicated.Display screen drive to take place unusually under electrostatic field, electromagnetic field effect, and register data takes place chaotic, has caused showing any literal, data and phenomenon takes place to shield in vain
Adopt shielding exactly for the effective method of static discharge, and release over the ground.Yet display screen must allow others can see literal, data that it shows.
The utility model content
The utility model corrects at the problems of above-mentioned display screen static electrification, adopt a kind of glass-film of transparent conduction to solve this problem effectively, can accomplish to shield static discharge, do not influence Presentation Function again.
Concrete technical scheme is:
A kind of electrostatic prevention liquid crystal display screen, it comprises LCDs, metal frame and one deck electro-conductive glass film, and described electro-conductive glass film simultaneously conducts electricity, and one side is non-conductive; Described electro-conductive glass film is between described LCDs and described metal frame; The conducting surface of described electro-conductive glass film and described metal frame are electrically connected; Described metal frame ground connection.Of short duration blackening phenomena can occur when we know general LCDs with finger touch, this is because finger is gone up the effect of static.And added the display screen of electro-conductive glass film, there is not any reaction with finger touch.The good display screen of ground connection directly discharges with electrostatic generator 8KV, and display screen does not have any unusual, and it has strengthened the static immunity to interference of display screen static.
Described electro-conductive glass film thickness is 0.5mm-1.0mm.
Compared with prior art the utlity model has following advantage:
1, strengthened the display screen antistatic effect, reduced greatly that display screen shields in vain in the display applications, lack the phenomenon of drawing, damaging.
2, strengthened the ability of the anti-electromagnetic interference (EMI) of display screen.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Wherein: 1. LCDs, 2. metal frame, 3. electro-conductive glass film.
Embodiment
Describe the utility model by the following examples, should be noted that, cited embodiment should not understand the restriction to utility model.
As shown in the figure: a kind of electrostatic prevention liquid crystal display screen of present embodiment, it comprises LCDs 1, metal frame 2 and one deck electro-conductive glass film 3, described electro-conductive glass film 3 one side conductions, one side is non-conductive; Described electro-conductive glass film 3 is between described LCDs 1 and metal frame 2; The conducting surface of described electro-conductive glass film 3 and metal frame 2 are electrically connected; Described metal frame 2 ground connection.Electro-conductive glass film 3 is electrically connected with metal frame 2, metal frame 2 with systematically be connected.Like this LCDs 1 is formed one and shielded network effectively.In case when having electrostatic high-pressure to be loaded into display screen surface, high pressure is transferred to systematically by electro-conductive glass film 3, metal frame 2 rapidly, releases rapidly, has effectively protected liquid crystal display unaffected.We of short duration blackening phenomena can occur when knowing general LCDs 1 usefulness finger touch, and this is because finger is gone up the effect of static.And added the display screen of electro-conductive glass film 3, there is not any reaction with finger touch.The good display screen of ground connection directly discharges with electrostatic generator 8KV, and display screen does not have any unusual, and it has strengthened the static immunity to interference of display screen static.
Described electro-conductive glass film 3 thickness are 0.5mm-1.0mm.
Compared with prior art the utlity model has following advantage:
1, strengthened the display screen antistatic effect, reduced greatly that display screen shields in vain in the display applications, lack the phenomenon of drawing, damaging.
2, strengthened the ability of the anti-electromagnetic interference of display screen.
Obviously; foregoing is just in order to illustrate characteristics of the present utility model; and be not limitation of the utility model, the variation that the those of ordinary skill in relevant technologies field is made in corresponding technical field according to the utility model should belong to protection category of the present utility model.
Claims (2)
1. electrostatic prevention liquid crystal display screen, it is characterized in that: it comprises LCDs, metal frame and one deck electro-conductive glass film, and described electro-conductive glass film simultaneously conducts electricity, one side is non-conductive; Described electro-conductive glass film is between described LCDs and described metal frame; The conducting surface of described electro-conductive glass film and described metal frame are electrically connected; Described metal frame ground connection.
2. a kind of electrostatic prevention liquid crystal display screen according to claim 1, its feature also is: described electro-conductive glass film thickness is 0.5mm-1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201401980U CN201666994U (en) | 2010-03-22 | 2010-03-22 | Anti-static liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201401980U CN201666994U (en) | 2010-03-22 | 2010-03-22 | Anti-static liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666994U true CN201666994U (en) | 2010-12-08 |
Family
ID=43267953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201401980U Expired - Fee Related CN201666994U (en) | 2010-03-22 | 2010-03-22 | Anti-static liquid crystal display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616777A (en) * | 2013-12-02 | 2014-03-05 | 黄山市中显微电子有限公司 | Anti-static functional glass substrate |
| CN107850800A (en) * | 2015-07-13 | 2018-03-27 | 三菱电机株式会社 | Display device |
-
2010
- 2010-03-22 CN CN2010201401980U patent/CN201666994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616777A (en) * | 2013-12-02 | 2014-03-05 | 黄山市中显微电子有限公司 | Anti-static functional glass substrate |
| CN103616777B (en) * | 2013-12-02 | 2016-08-17 | 黄山市中显微电子有限公司 | A kind of electrostatic-proof function glass substrate |
| CN107850800A (en) * | 2015-07-13 | 2018-03-27 | 三菱电机株式会社 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |