CN102543009A - Liquid crystal display and terminal equipment thereof - Google Patents
Liquid crystal display and terminal equipment thereof Download PDFInfo
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- CN102543009A CN102543009A CN2010106157658A CN201010615765A CN102543009A CN 102543009 A CN102543009 A CN 102543009A CN 2010106157658 A CN2010106157658 A CN 2010106157658A CN 201010615765 A CN201010615765 A CN 201010615765A CN 102543009 A CN102543009 A CN 102543009A
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 12
- 238000007599 discharging Methods 0.000 claims description 54
- 239000004020 conductor Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 239000000376 reactant Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a liquid crystal display and a terminal device thereof, which are used for solving the problem that the conventional liquid crystal display cannot have a narrow frame and a better display effect. The liquid crystal display includes: the base plate, including the display area with surround the frame district of display area, the frame district includes: the display area is arranged from far to near: the grid signal routing is connected with the grid line; an electrostatic discharge device connected to the gate line; and the common electrode line is connected with the electrostatic discharge device. The liquid crystal display and the terminal equipment have two advantages of narrow frame and good display effect.
Description
Technical field
The present invention relates to the LCD Technology field, particularly a kind of LCD and terminal device thereof.
Background technology
Along with popularizing of terminal device multimedia application, the high resolving power of terminal device LCD and visual range enlarge and become technological trend, and therefore, it is even more important that the border width of small-medium size LCD also seems.
TFT-LCD (Thin Film Transistor-Liquid Crystal Display, Thin Film Transistor-LCD) has fabulous chromatic characteristic, and more frivolous, often is used to make the small-medium size LCD.
Usually, TFT-LCD includes upper substrate, infrabasal plate, is filled in the liquid crystal material between upper substrate and the infrabasal plate and is arranged at the public electrode of upper substrate lower surface.Infrabasal plate comprises viewing area and the rim area of surrounding the viewing area.The viewing area comprises gate line arranged in a crossed manner and data line, and the number of gate line and data line is many, and each infall is provided with pixel electrode and the thin film transistor (TFT) that is used as the pixel switch element.Rim area has the outside and inboard, and is inboard near the viewing area.
Fig. 1 is the partial schematic diagram of existing TFT-LCD rim area.
Like Fig. 1, rim area has signal cabling 1, thread-changing device 2, public electrode wire 3 and static discharge (ESD, Electro-Static Discharge) device 4 by the outside to inboard series arrangement.Wherein, Electro-static discharging device 4 connects gate line 5; And connect public electrode wires 3 through short-circuit line 6, when high voltage static occurs in 5 last times of gate line, this high voltage static can be dispersed on the public electrode wire 3 through electro-static discharging device 4; Make whole front panel keep same voltage, realize electrostatic discharge (ESD) protection LCD.Signal cabling 1 connects thread-changing device 2 through plain conductor 7, and thread-changing device 2 connects gate line 5, and signal cabling 1 provides signal to gate line 5.When the TFT-LCD operate as normal; The signal cabling overwhelming majority time is-10V, is negative potential with respect to pixel transparent oxide electrode and public electrode wire, has formed the both positive and negative polarity in the galvanic corrosion; Water or liquid crystal are as electrolytic solution; The electro-static discharging device transparent oxide electrode is as the negative electrode consumption that is corroded, and reactant accumulates on the anode of pixel transparent oxide electrode and public electrode wire transparent oxide electrode, forms the pollution to alignment film and liquid crystal.When transparent oxide electrode erodes to a certain degree, metal erosion occurs, make TFT-LCD demonstrate the red blue line of frame, influence display effect.For fear of the red blue line of frame occurring; Like Fig. 1; Protection pixel 9 is set between pixel electrode 8 and electro-static discharging device 4, lets reactant run up on the protection pixel, on color filter film, shelter from protection pixel 9 with black matrix; Utilize protection pixel 9 protection viewing area pixels, make TFT-LCD can not demonstrate the red blue line of frame.But being provided with of protection pixel 9 increased the area that display periphery connects up, and widened border width.If reduce border width through the width that reduces the signal cabling, can strengthen the delay of signal again, influence display effect.
It is thus clear that the available liquid crystal display can't guarantee display effect when realizing narrow frame, can't realize narrow frame again when guaranteeing display effect, can't have two advantages of narrow frame and preferable display effect concurrently.
Summary of the invention
Technical matters to be solved by this invention is that the available liquid crystal display can't have narrow frame and preferable display effect concurrently.
In order to solve the problems of the technologies described above, the invention provides a kind of LCD, comprising:
Substrate comprises viewing area and the rim area of surrounding said viewing area, and said rim area comprises:
Said relatively viewing area draws near tactic:
The signal cabling connects gate line;
Electro-static discharging device connects said gate line;
Public electrode wire connects said electro-static discharging device.
Said signal cabling connects said gate line through the thread-changing device; Specifically can be: said signal cabling connects plain conductor; Said plain conductor connects said thread-changing device; Said thread-changing device connects said gate line.
Said thread-changing device is provided with said electro-static discharging device combination.Specifically can be: said thread-changing device and said electro-static discharging device are arranged along the frame length direction.
Said thread-changing device and said electro-static discharging device are integrated into a device.Specifically can be: said electro-static discharging device comprises a TFT device and the 2nd TFT device, and the grid of the two all links to each other with the source electrode of self; The drain electrode of the one TFT links to each other with the source electrode of the 2nd TFT, and the source electrode of a TFT links to each other with the drain electrode of the 2nd TFT; The grid of the one TFT links to each other with said public electrode wire, and the grid of the 2nd TFT links to each other with said gate line; Said plain conductor links to each other with the source electrode of the 2nd TFT and adopts with one deck metal.
Said electro-static discharging device connects said public electrode wire through short-circuit line.
Said LCD is a Thin Film Transistor-LCD.
The present invention also provides a kind of terminal device with above-mentioned LCD.
The technical scheme that the embodiment of the invention provides through changing the position of signal cabling, electro-static discharging device and public electrode wire in the LCD rim area, makes LCD have narrow frame and two advantages of preferable display effect concurrently.
Description of drawings
Fig. 1 is the partial schematic diagram of available liquid crystal display rim area;
The front elevation of the LCD that Fig. 2 provides for one embodiment of the invention;
Fig. 3 is the partial schematic diagram of LCD rim area shown in Figure 2;
The partial schematic diagram of another LCD rim area that Fig. 4 provides for one embodiment of the invention;
The front elevation of the terminal device that Fig. 5 provides for another embodiment of the present invention with LCD.
Embodiment
For technical matters, technical scheme and advantage that the embodiment of the invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
The technical scheme that the embodiment of the invention provides through changing the position of signal cabling, electro-static discharging device and public electrode wire in the LCD rim area, makes LCD have narrow frame and two advantages of preferable display effect concurrently.
Fig. 2,3 is respectively the front elevation of a kind of LCD that one embodiment of the invention provides, the partial schematic diagram of rim area.
Like Fig. 2,3, a kind of LCD that the embodiment of the invention provides comprises:
Wherein, rim area 22 comprises that relative viewing area 21 draws near tactic:
Electro-static discharging device 24 connects gate line 26;
Wherein, gate line 26 has many, the one-row pixels electrode 30 of every gate line 26 connection viewing areas 21.Signal cabling 23 has many, and every signal cabling 23 connects a gate line, to gate line 26 signal is provided.Electro-static discharging device 24 has a plurality of, and each electro-static discharging device 24 connects public electrode wire 25 and a gate line 26.
Exemplarily, signal cabling 23 connects gate line 26 through thread-changing device 27, like Fig. 4, is specially:
Thread-changing device 27 connects gate line 26.
When high voltage static occurs in gate line 26 or 23 last times of signal cabling; This high-pressure electrostatic is delivered to electro-static discharging device 24 through gate line 26 or plain conductor 28; Be dispersed on the public electrode wire 25 through electro-static discharging device 24 again; Make whole panel of LCD keep same voltage, realize electrostatic discharge (ESD) protection LCD.
Like Fig. 3, thread-changing device 27 can be provided with electro-static discharging device 24 combinations, and is specific as follows:
Thread-changing device 27 arranges along the frame length direction with electro-static discharging device 24, practiced thrift the width that (like Fig. 1) thread-changing device 27 in the prior art occupies frame like this, further reduced the width of rim area.Compared with prior art, this combination is arranged so that the width of rim area reduces about 100um.
As shown in Figure 3, thread-changing device 27 also can be integrated into a device with electro-static discharging device 24, and is specific as follows:
Electro-static discharging device 24 comprises a TFT device and the 2nd TFT device, and the grid of the two all links to each other with the source electrode of self.The drain electrode of the one TFT links to each other with the source electrode of the 2nd TFT, and the source electrode of a TFT links to each other with the drain electrode of the 2nd TFT; The grid of the one TFT links to each other with public electrode wire 25, and the grid of the 2nd TFT links to each other with gate line 26.
At this moment, gate line 26 links to each other through thread changing device 27 with plain conductor 28, in fact is exactly continuous through the through hole of insulating medium; And the grid of the 2nd TFT links to each other with the source electrode of self; So if plain conductor 28 links to each other with the source electrode of the 2nd TFT and adopts with one deck metal (metal level is leaked in the source that is generally TFT); Grid with the 2nd TFT links to each other with gate line 26 so; The source electrode of the 2nd TFT back that links to each other with plain conductor 28 just can prepare thread changing device 27 separately, thereby has reduced border width, has reduced number of devices, practiced thrift cost.
Exemplarily, like Fig. 4, electro-static discharging device 24 connects public electrode wire 25 through short-circuit line 29.
This moment is same, and thread-changing device 27 also can be provided with electro-static discharging device 24 combinations; Perhaps thread-changing device 27 also can be integrated into a device with electro-static discharging device 24.
Exemplarily, LCD is TFT-LCD, perhaps other LCD.This other LCD and TFT-LCD have following same or similar point at least: the reason that demonstrates the red blue line of frame is same or similar; The rim area structure is same or similar.
Like Fig. 1,2,3 and 4, signal cabling, electro-static discharging device, public electrode wire are the long limits, left side that is made in rim area.According to the demand of actual design, signal cabling, electro-static discharging device, public electrode wire also can be made in the right edge of rim area and go up following.
The above-mentioned LCD that the embodiment of the invention provides has narrow frame, former because:
The rim area of above-mentioned LCD is not protected pixel, has reduced the area of display periphery wiring, thereby has reduced border width.
The above-mentioned LCD that the embodiment of the invention provides has preferable display effect, former because:
In the rim area of above-mentioned LCD, signal cabling, electro-static discharging device and public electrode wire by the outside to inboard series arrangement.When above-mentioned LCD was worked, the signal cabling was a negative potential with respect to electro-static discharging device and public electrode wire, formed the both positive and negative polarity in the galvanic corrosion; When electrochemical reaction takes place; Public electrode is a noble potential with respect to electro-static discharging device; The electro-static discharging device transparent oxide electrode is as the negative electrode consumption that is corroded; Reactant runs up on the public electrode, utilizes public electrode to protect the viewing area pixel, makes LCD can not demonstrate the red blue line of frame; And, also do not reduce the width of signal cabling, thereby guaranteed preferable display effect.
Therefore, the above-mentioned LCD that provides of the embodiment of the invention has narrow frame and two advantages of preferable display effect concurrently.
A kind of synoptic diagram that Fig. 5 provides for another embodiment of the present invention with terminal device of LCD.
Like Fig. 5, a kind of terminal device that another embodiment of the present invention provides with LCD, this terminal device comprises main frame and LCD, this LCD comprises:
Wherein, rim area 22 comprises that relative viewing area 21 draws near tactic:
Electro-static discharging device 24 connects gate line 26;
Wherein, gate line 26 has many, the one-row pixels electrode 30 of every gate line 26 connection viewing areas 21.Signal cabling 23 has many, and every signal cabling 23 connects a gate line, to gate line 26 signal is provided.Electro-static discharging device 24 has a plurality of, and each electro-static discharging device 24 connects public electrode wire 25 and a gate line 26.
Exemplarily, signal cabling 23 can connect gate line 26 through the thread-changing device, is specially:
This plain conductor connects a thread-changing device;
This thread-changing device connects gate line 26.
When high voltage static occurs in gate line 26 or 23 last times of signal cabling; This high-pressure electrostatic is delivered to electro-static discharging device 24 through gate line 26 or plain conductor; Be dispersed on the public electrode wire 25 through electro-static discharging device 24 again; Make whole panel of LCD keep same voltage, realize electrostatic discharge (ESD) protection LCD.
Same, thread-changing device 27 also can be provided with electro-static discharging device 24 combinations; Perhaps thread-changing device 27 also can be integrated into a device with electro-static discharging device 24.
Same, electro-static discharging device 24 can connect public electrode wire 25 through short-circuit line.
Exemplarily, LCD is TFT-LCD, perhaps other LCD.This other LCD and TFT-LCD have following same or similar point at least: the reason that demonstrates the red blue line of frame is same or similar; The rim area structure is same or similar.
Like Fig. 5, signal cabling, electro-static discharging device, public electrode wire are the long limits, left side that is made in rim area.According to the demand of actual design, signal cabling, electro-static discharging device, public electrode wire also can be made in the right edge of rim area and go up following.
Above-mentioned terminal device is portable computer, hand-held mobile terminal or personal digital assistant etc.
The LCD of the above-mentioned terminal device that the embodiment of the invention provides has narrow frame, former because:
The rim area of above-mentioned LCD is not protected pixel, has reduced the area of display periphery wiring, thereby has reduced border width.
The above-mentioned terminal device that the embodiment of the invention provides has preferable display effect, former because:
In the rim area of above-mentioned LCD, signal cabling, electro-static discharging device and public electrode wire by the outside to inboard series arrangement.When above-mentioned LCD was worked, the signal cabling was a negative potential with respect to electro-static discharging device and public electrode wire, formed the both positive and negative polarity in the galvanic corrosion; When electrochemical reaction takes place; Public electrode is a noble potential with respect to electro-static discharging device; The electro-static discharging device transparent oxide electrode is as the negative electrode consumption that is corroded; Reactant runs up on the public electrode, utilizes public electrode to protect the viewing area pixel, makes LCD can not demonstrate the red blue line of frame; And, also do not reduce the width of signal cabling, thereby guaranteed preferable display effect.
Therefore, the above-mentioned terminal device that provides of the embodiment of the invention has narrow frame LCD and two advantages of preferable display effect concurrently.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. LCD comprises:
Substrate comprises viewing area and the rim area of surrounding said viewing area, it is characterized in that said rim area comprises:
Said relatively viewing area draws near tactic:
The signal cabling connects gate line;
Electro-static discharging device connects said gate line;
Public electrode wire connects said electro-static discharging device.
2. LCD as claimed in claim 1 is characterized in that,
Said signal cabling connects said gate line through the thread-changing device.
3. LCD as claimed in claim 2 is characterized in that, said signal cabling connects said gate line through the thread-changing device, is specially:
Said signal cabling connects plain conductor;
Said plain conductor connects said thread-changing device;
Said thread-changing device connects said gate line.
4. LCD as claimed in claim 2 is characterized in that,
Said thread-changing device and the combination of said electro-static discharging device are provided with.
5. LCD as claimed in claim 4 is characterized in that,
Said thread-changing device and said electro-static discharging device are arranged along the frame length direction.
6. LCD as claimed in claim 3 is characterized in that,
Said thread-changing device and said electro-static discharging device are integrated into a device.
7. LCD as claimed in claim 6 is characterized in that,
Said electro-static discharging device comprises a TFT device and the 2nd TFT device, and the grid of the two all links to each other with the source electrode of self; The drain electrode of the one TFT links to each other with the source electrode of the 2nd TFT, and the source electrode of a TFT links to each other with the drain electrode of the 2nd TFT; The grid of the one TFT links to each other with said public electrode wire, and the grid of the 2nd TFT links to each other with said gate line; Said plain conductor links to each other with the source electrode of the 2nd TFT and adopts with one deck metal.
8. like each described LCD among the claim 1-7, it is characterized in that,
Said electro-static discharging device connects said public electrode wire through short-circuit line.
9. like each described LCD among the claim 1-7, it is characterized in that,
Said LCD is a Thin Film Transistor-LCD.
10. terminal device that has like each described LCD among the claim 1-9.
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| CN2010106157658A CN102543009A (en) | 2010-12-27 | 2010-12-27 | Liquid crystal display and terminal equipment thereof |
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| CN2010106157658A CN102543009A (en) | 2010-12-27 | 2010-12-27 | Liquid crystal display and terminal equipment thereof |
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Cited By (16)
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| CN102799005A (en) * | 2012-09-07 | 2012-11-28 | 深圳市华星光电技术有限公司 | Design of fanout trace in TFT-LCD (thin film transistor-liquid crystal display) narrow frame design |
| CN102983134A (en) * | 2012-12-13 | 2013-03-20 | 京东方科技集团股份有限公司 | Display device and array substrate and fabrication method of array substrate |
| CN103871354A (en) * | 2012-12-17 | 2014-06-18 | 上海中航光电子有限公司 | Switching device for display and display |
| CN103928444A (en) * | 2014-01-16 | 2014-07-16 | 上海天马微电子有限公司 | TFT array substrate, display panel and display device |
| CN103926769A (en) * | 2013-12-26 | 2014-07-16 | 上海天马微电子有限公司 | Array substrate, display panel and display |
| US8817218B2 (en) | 2012-09-07 | 2014-08-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Fan-out wiring arrangement of TFT-LCD slim bezel arrangement |
| CN104978918A (en) * | 2014-04-10 | 2015-10-14 | 群创光电股份有限公司 | Display panel |
| CN106129046A (en) * | 2016-07-25 | 2016-11-16 | 上海中航光电子有限公司 | Array base palte, display floater and display device |
| WO2016206317A1 (en) * | 2015-06-25 | 2016-12-29 | Boe Technology Group Co., Ltd. | Array substrate, display panel and display device having the same, and method thereof |
| CN106710541A (en) * | 2015-11-17 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Liquid crystal display device |
| CN107170783A (en) * | 2017-05-25 | 2017-09-15 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
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| CN111736398A (en) * | 2017-02-28 | 2020-10-02 | 上海天马微电子有限公司 | Display panel and display device |
| CN113406830A (en) * | 2021-06-29 | 2021-09-17 | 上海天马微电子有限公司 | Array substrate, liquid crystal display panel and display device |
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| US8817218B2 (en) | 2012-09-07 | 2014-08-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Fan-out wiring arrangement of TFT-LCD slim bezel arrangement |
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| CN103928444B (en) * | 2014-01-16 | 2017-06-06 | 上海天马微电子有限公司 | TFT array substrate, display panel and display device |
| CN104978918A (en) * | 2014-04-10 | 2015-10-14 | 群创光电股份有限公司 | Display panel |
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| US10001684B2 (en) | 2015-06-25 | 2018-06-19 | Boe Technology Group Co., Ltd. | Array substrate, display panel and display device having the same, and method thereof |
| CN106710541A (en) * | 2015-11-17 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Liquid crystal display device |
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| CN111736395B (en) * | 2017-02-28 | 2022-12-13 | 上海天马微电子有限公司 | Display panel and display device |
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| CN110391222B (en) * | 2019-07-26 | 2021-08-03 | 昆山国显光电有限公司 | Display panels and electronic equipment |
| CN110391222A (en) * | 2019-07-26 | 2019-10-29 | 昆山国显光电有限公司 | Display panels and electronics |
| CN110827688A (en) * | 2019-11-22 | 2020-02-21 | 昆山国显光电有限公司 | Display panel, display panel mother board and display device |
| CN111562704A (en) * | 2020-05-06 | 2020-08-21 | Oppo（重庆）智能科技有限公司 | Display module assembly, electronic equipment and display screen assembly |
| CN113406830A (en) * | 2021-06-29 | 2021-09-17 | 上海天马微电子有限公司 | Array substrate, liquid crystal display panel and display device |
| CN113406830B (en) * | 2021-06-29 | 2023-04-21 | 上海天马微电子有限公司 | Array substrate, liquid crystal display panel and display device |
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Application publication date: 20120704 |