CN203191661U - Display screen body with electrostatic protecting structures - Google Patents
Display screen body with electrostatic protecting structures Download PDFInfo
- Publication number
- CN203191661U CN203191661U CN 201220748361 CN201220748361U CN203191661U CN 203191661 U CN203191661 U CN 203191661U CN 201220748361 CN201220748361 CN 201220748361 CN 201220748361 U CN201220748361 U CN 201220748361U CN 203191661 U CN203191661 U CN 203191661U
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- Prior art keywords
- screen body
- display screen
- discharge
- discharge spur
- spur
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- Expired - Lifetime
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- ZXTFQUMXDQLMBY-UHFFFAOYSA-N alumane;molybdenum Chemical compound [AlH3].[Mo] ZXTFQUMXDQLMBY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 19
- 230000005611 electricity Effects 0.000 abstract 2
- 238000013461 design Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
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- Liquid Crystal (AREA)
- Elimination Of Static Electricity (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a display screen body with electrostatic protecting structures. The display screen body comprises a row and column lead zone, an IC chip and the electrostatic protecting structures. The electrostatic protecting structures are arranged in blank spaces of the display screen body. The blank screen bodies of the display screen body are coated with conducting layers. Each electrostatic protecting structure comprises a first discharge pin and a second discharge pin. The first discharge pins are electrically connected with the conducting layers of the blank screen bodies, and the second discharge pins are connected with electrode pins of the IC chip. For each electrostatic protecting structure, the tip of the first discharge pin is arranged opposite to the tip of the second discharge pin. According to the point discharge principle, static electricity generated by the display screen body is discharged to the electrode pins of the IC chip through point discharge, and the static electricity on the display screen body is thoroughly discharged. Therefore, influences on logic power supplies and logic signals are reduced, accuracy of data is guaranteed, and stability of modules is guaranteed.
Description
Technical field
The utility model relates to liquid crystal display and OLED display technique field, particularly a kind of display screen body with electrostatic protection structure.
Background technology
In the manufacture process of LCDs, electrostatic discharge protective (Electro-Static Discharge, ESD) be always can not be indiscreet and negligent problem, accidentally, will cause unthinkable defective loss.The generation of electrostatic discharge protective (ESD) idea mainly be because the substrate of display is to be main material with glass, and glass is a megohmite insulant, and in other words, static is eliminated suitable slow of speed (Decay Rate).When glass baseplate surface because of the fabrication steps (as dry-etching) of consecutive and transporting in the process of substrate, will accumulate the existence of many static charges on the substrate surface, unless suitable discharge channel is arranged, otherwise static charge can rest on the glass baseplate surface always.When display screen strided forward towards the target of bigger panel size, the static charge that accumulates on the substrate only can get more and more, and solved the charged problem of substrate as the measure of electrostatic discharge protective how, will be very important problem in the processing procedure.
Find that when the OLED module of duty being done ESD test (electrostatic discharge testing) monochromatic module can only be by ± 5KV test, and consumer electronics generally is atmospherical discharges ± 8KV or higher to the requirement of static.Machine product can improve anti-ESD rank by other electrostatic defending of taking into account system level, has increased design difficulty and whole cost.
How can shield the antistatic rank that body design ESD protection improves the OLED module at OLED, to improve the reliability of OLED module, and reduce complete machine design difficulty and client cost.
Chinese patent literature CN1540396A discloses display panel conductive metal line layout method and the device of tool point discharge, it continues ITO cabling mode (turning point circular arc, straight horizontal conductive metal wire periphery are with the conducting metal wire frame), under the situation that does not influence LCD display frame and cabling resistance, add the metal pattern with wedge angle, can guide high electric charge static of moment (ESD) to the cabling figure that discharges the district, and then reach electrostatic dissipation, avoid the metallic conduction circuit to burn destroying and the module function is subjected to electrostatic influence.
There is following technological deficiency in above-mentioned patent documentation: though it adopts point discharge, static thoroughly not being bled off, is that the simple figure at ITO usefulness spur is assembled electric charge.
The utility model content
In order to realize improving other while of OLED module antistatic-level, the static that produces on the screen body is thoroughly bled off, the utility model provides a kind of display screen body with electrostatic protection structure.
Described technical scheme is as follows:
A kind of display screen body with electrostatic protection structure, comprise ranks lead district, IC chip and electrostatic protection structure, described electrostatic protection structure is arranged at the clear area of described display screen body, scribble conductive layer on the blank screen body of described display screen body, described electrostatic protection structure comprises the first discharge spur and the second discharge spur, the described first discharge spur electrically connects with the conductive layer of blank screen body, the described second discharge spur is connected with the electrode pin of described IC chip, and the tip of the described first discharge spur and the second discharge spur is oppositely arranged.
The described first discharge spur forms by etching on conductive layer, and the distance between the described second discharge spur and the described first discharge spur is smaller or equal to 1mm.
Described electrostatic protection structure is arranged at the clear area of four jiaos of COM lead district in the described ranks lead district and the clear area between the SEG lead district or screen bodies.
Described electrostatic protection structure arranges two altogether, and it is symmetricly set in the SEG lead district both sides in the described ranks lead district.
Also be provided with molybdenum aluminium molybdenum coating on the described conductive layer.
The described second discharge spur is connected with the analog power pin of described IC chip or an electrode pin in the simulating signal pin.
Tip angle in the described first discharge spur and the second discharge spur is 0～90 °, and its tip length is 8～10 μ m, and tip width is 2～10 μ m.
The tip angle of the described first discharge spur and the described second discharge spur is 45 degree.
The beneficial effect that technical scheme provided by the utility model is brought is:
The utility model is discharged into the static that the display screen body produces on the analog power by point discharge by the point discharge principle, static on the screen body is thoroughly bled off, thereby reduce the influence to logic power and logical signal, guaranteed the accuracy of data, guaranteed the stability of module.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is display screen body structure synoptic diagram provided by the utility model;
Fig. 2 is the partial enlarged drawing among Fig. 1;
Fig. 3 is the electrostatic protection structure synoptic diagram among Fig. 1;
Fig. 4 is display screen body logic power partial electrostatic protection schematic diagram.
Among the figure: 1, screen body; 2, viewing area; 3, COM lead district; 4, SEG lead district; 5, IC chip; 6, blank screen body; 7, electrostatic protection structure, 71, the first discharge spur, 72, the second discharge spur
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Shown in Fig. 1 to Fig. 3 structure, the utility model provides a kind of display screen body with electrostatic protection structure, comprise ranks lead district, IC chip 5 and electrostatic protection structure 7, electrostatic protection structure 7 is arranged at the clear area of display screen body, scribble conductive layer at blank screen body 6, electrostatic protection structure 7 comprises the first discharge spur 71 and the second discharge spur 72, the first discharge spur 71 electrically connects with the conductive layer of blank screen body 6, the second discharge spur 72 is connected with the electrode of IC chip 5, and the tip of the first discharge spur 71 and the second discharge spur 72 is oppositely arranged.
The first discharge spur 71 wherein is by the formation of etching on conductive layer, and the distance that the second discharge spur 72 and the first discharge spur are 71 is smaller or equal to 10 μ m.
Preferably electrostatic protection structure 7 is arranged on COM lead district 3 in the ranks lead district and the clear area between the SEG lead district 4, SEG lead district 4 both sides all arrange an electrostatic protection structure 7.
In order to improve the electric conductivity of the conductive layer of locating electrostatic protection structure 7 positions, on conductive layer, also be provided with molybdenum aluminium molybdenum coating.
Because influencing the display screen module displays undesired generally all is because electrostatic interference arrives the logical signal of IC chip 5, causes giving the signal error of display screen body.And in IC chip 5 inside except the I/O mouth, the logic power part also can be done the electrostatic defending measure, as shown in Figure 4, general mimic channel and digital circuit can be done isolation at the IC chip internal, so static is guided to artificial circuit part, and can not have influence on the integrality of logical signal, thereby guaranteed the accuracy of display screen body 1 displaying contents.If static is put into logic power VDD or ground during VSS, then can influences the integrality of logical signal or raise current potential on the ground wire.So must be put into static on analog power or the signal.Such as VCC, VCOMH, VBAT, C1N, C1P, C2N, C2P etc., namely the second discharge spur is connected with the analog power pin of IC chip or an electrode pin in the simulating signal pin.
Tip angle in the first discharge spur 71 that the utility model adopts and the second discharge spur 72 is the 0-90 degree, and its tip length is 8-10 μ m, and tip width is 2-10 μ m.
Preferably, the tip angle of the first discharge spur 71 and the second discharge spur 72 is 45 degree.
Test philosophy is as follows:
Concrete test is as follows: identical the IC chip, the module of not doing ESD protection design carries out the ESD test comparison with the module of having done ESD protection design, has below used 3 kinds of different driving IC chip respectively in the test, and monochromatic two kinds, colour is a kind of, altogether 6 modules.The common module for there not being ESD to design of orange background, the module for there being the ESD protection to design of blue background.Test result is as follows:
| ? | Comparative Examples 1 | |
Comparative Examples 2 | |
Comparative Examples 3 | |
|
| Screen body glow color | Monochromatic | Monochromatic | Monochromatic | Monochromatic | Colored | Colored | |
| The | Chip | 1 | |
|
|
|
|
| Resolution | 96*16 | 128*32 | 128*64 | 96*32 | 96*64 | 96*96 | |
| Size | 0.69" | 2.08" | 1.3" | 0.68" | 0.95" | 1.12" | |
| Have or not the electrostatic defending design | Do not have | Have | Do not have | Have | Do not have | Have | |
| ESD passes through voltage | 5K | 8K | 6K | 8K | 1K | 5K |
By the ESD test result of last table as can be seen, the monochromatic module that increases ESD protection design at the display screen body has ± lifting of 2～3KV; Full-color module has ± lifting of 4KV, and it is more obvious to promote effect.Monochrome can be passed through ± 8KV smoothly.
Above-mentioned the utility model embodiment sequence number does not represent the quality of embodiment just to description.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. display screen body with electrostatic protection structure, comprise the ranks lead district, IC chip (5) and electrostatic protection structure (7), described electrostatic protection structure (7) is arranged at the clear area of described display screen body (1), scribble conductive layer on the blank screen body (6) of described display screen body (1), it is characterized in that: described electrostatic protection structure (7) comprises the first discharge spur (71) and the second discharge spur (72), the described first discharge spur (71) electrically connects with the conductive layer of blank screen body (6), the described second discharge spur (72) is connected with the electrode pin of described IC chip (5), and the tip of the described first discharge spur (71) and the second discharge spur (72) is oppositely arranged.
2. display screen body according to claim 1 is characterized in that:
The described first discharge spur (71) forms by etching on conductive layer, and the distance between the described second discharge spur (72) and the described first discharge spur (71) is smaller or equal to 1mm.
3. display screen body according to claim 1 is characterized in that:
Described electrostatic protection structure (7) is arranged at the clear area of four jiaos of COM lead district (3) in the described ranks lead district and the clear area between the SEG lead district (4) or screen bodies.
4. display screen body according to claim 3 is characterized in that:
Described electrostatic protection structure (7) arranges two altogether, and it is symmetricly set in SEG lead district (4) both sides in the described ranks lead district.
5. according to the arbitrary described display screen body of claim 1-4, it is characterized in that:
Also be provided with molybdenum aluminium molybdenum coating on the described conductive layer.
6. display screen body according to claim 5 is characterized in that:
The described second discharge spur (72) is connected with the analog power pin of described IC chip (5) or an electrode pin in the simulating signal pin.
7. according to the arbitrary described display screen body of claim 1-4, it is characterized in that:
Tip angle in the described first discharge spur (71) and the second discharge spur (72) is 0～90 °, and its tip length is 8～10 μ m, and tip width is 2～10 μ m.
8. display screen body according to claim 7 is characterized in that:
The described first discharge spur (71) is 45 degree with the tip angle of the described second discharge spur (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748361 CN203191661U (en) | 2012-12-31 | 2012-12-31 | Display screen body with electrostatic protecting structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748361 CN203191661U (en) | 2012-12-31 | 2012-12-31 | Display screen body with electrostatic protecting structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191661U true CN203191661U (en) | 2013-09-11 |
Family
ID=49108510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748361 Expired - Lifetime CN203191661U (en) | 2012-12-31 | 2012-12-31 | Display screen body with electrostatic protecting structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191661U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015089923A1 (en) * | 2013-12-16 | 2015-06-25 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal panel and manufacturing method for array substrate |
| CN106208653A (en) * | 2016-08-02 | 2016-12-07 | 江苏兆能电子有限公司 | A kind of insulating power supply strengthens the line construction of antistatic effect |
| CN106325604A (en) * | 2016-08-29 | 2017-01-11 | 贵州乾盛科技有限公司 | Touch screen static electricity protection method, touch screen, baseband processor and touch panel |
| US9933672B2 (en) | 2014-12-31 | 2018-04-03 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method thereof, display device |
| CN108648619A (en) * | 2018-07-04 | 2018-10-12 | 昆山维信诺科技有限公司 | Display screen |
| CN109064902A (en) * | 2018-09-20 | 2018-12-21 | 武汉天马微电子有限公司 | A kind of display panel and display device |
-
2012
- 2012-12-31 CN CN 201220748361 patent/CN203191661U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015089923A1 (en) * | 2013-12-16 | 2015-06-25 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal panel and manufacturing method for array substrate |
| US9933672B2 (en) | 2014-12-31 | 2018-04-03 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method thereof, display device |
| CN106208653A (en) * | 2016-08-02 | 2016-12-07 | 江苏兆能电子有限公司 | A kind of insulating power supply strengthens the line construction of antistatic effect |
| CN106325604A (en) * | 2016-08-29 | 2017-01-11 | 贵州乾盛科技有限公司 | Touch screen static electricity protection method, touch screen, baseband processor and touch panel |
| CN108648619A (en) * | 2018-07-04 | 2018-10-12 | 昆山维信诺科技有限公司 | Display screen |
| CN109064902A (en) * | 2018-09-20 | 2018-12-21 | 武汉天马微电子有限公司 | A kind of display panel and display device |
| CN109064902B (en) * | 2018-09-20 | 2020-12-11 | 武汉天马微电子有限公司 | Display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TSINGHUA UNIVERSITY Free format text: FORMER OWNER: TSINGHUA UNIVERSITY WEIXINNUO SCIENCE AND TECHNOLOGY CO., LTD., BEIJING Effective date: 20140317 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140317 Address after: 215300 Suzhou Province, Kunshan City, Kunshan hi tech Zone, Feng Feng Road, No. 188, No. Patentee after: KUNSHAN VISIONOX DISPLAY Co.,Ltd. Patentee after: TSINGHUA University Address before: 215300 Suzhou Province, Kunshan City, Kunshan hi tech Zone, Feng Feng Road, No. 188, No. Patentee before: KUNSHAN VISIONOX DISPLAY Co.,Ltd. Patentee before: TSINGHUA University Patentee before: BEIJING VISIONOX TECHNOLOGY Co.,Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: TSINGHUA UNIVERSITY Free format text: FORMER OWNER: TSINGHUA UNIVERSITY WEIXINNUO SCIENCE AND TECHNOLOGY CO., LTD., BEIJING Effective date: 20140421 Owner name: KUNSHAN VISIONOX TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WEIXINNUO DISPLAY TECH CO., LTD. Effective date: 20140421 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| CU03 | Publication of corrected utility model |
Correction item: Patentee Correct: KUNSHAN VISIONOX DISPLAY Co.,Ltd.|Suzhou 215300 city in Jiangsu province Kunshan city Kunshan high tech Zone CHENFENG Road No. 188|BEIJING VISIONOX TECHNOLOGY Co.,Ltd. False: KUNSHAN VISIONOX DISPLAY Co.,Ltd.|Suzhou 215300 city in Jiangsu province Kunshan city Kunshan high tech Zone CHENFENG Road No. 188|Tsinghua University Number: 37 Volume: 29 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: WEIXINNUO DISPLAY TECH CO., LTD.:215300 SUZHOU, JIANGSU PROVINCE; TSINGHUA UNIVERSITY TO: WEIXINNUO DISPLAY TECH CO., LTD.:215300 SUZHOU, JIANGSU PROVINCE; TSINGHUA UNIVERSITY, WEIXINNUO SCIENCE AND TECHNOLOGY CO., LTD., BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140421 Address after: 215300 morning Feng Road, Kunshan hi tech Zone, Kunshan, Jiangsu Patentee after: Kunshan Visionox Technology Co.,Ltd. Patentee after: TSINGHUA University Address before: 215300 Suzhou Province, Kunshan City, Kunshan hi tech Zone, Feng Feng Road, No. 188, No. Patentee before: KUNSHAN VISIONOX DISPLAY Co.,Ltd. Patentee before: TSINGHUA University Patentee before: BEIJING VISIONOX TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215300 morning Feng Road, Kunshan hi tech Zone, Kunshan, Jiangsu Patentee after: Suzhou Qingyue Photoelectric Technology Co.,Ltd. Patentee after: TSINGHUA University Address before: 215300 morning Feng Road, Kunshan hi tech Zone, Kunshan, Jiangsu Patentee before: Kunshan Visionox Technology Co.,Ltd. Patentee before: TSINGHUA University |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |