CN102798994B - LCD (Liquid Crystal Display) array substrate distribution structure - Google Patents
LCD (Liquid Crystal Display) array substrate distribution structure Download PDFInfo
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- CN102798994B CN102798994B CN201110137947.3A CN201110137947A CN102798994B CN 102798994 B CN102798994 B CN 102798994B CN 201110137947 A CN201110137947 A CN 201110137947A CN 102798994 B CN102798994 B CN 102798994B
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Abstract
The invention discloses a kind of LCD array substrate structure, based on IC the display panels that number is less, be arranged in peripheral part of the pixel display section surrounding of display panels: be provided with the connection distribution being connected with scan line in display pixel part or data wire, adjacent connection distribution is made up of different layers metal, with the connection terminals that connect the corresponding connection of distribution. make adjacent connection distribution adopt the metal of different layers by the present invention, the ratio that can make due to the spacing between the metal of different layers is less with layer metal, therefore, can ensure the resistance difference between adjacent connection distribution, and the resistance HeIC center pad of outermost root distribution the resistance difference of distribution also less, can be by reducing the spacing between adjacent connection distribution, to meet in the case of the framework of liquid crystal display narrows, make to connect the resistance equalization of distribution, and between adjacent, spacing and the resistance difference of distribution is less, realize the raising of the display characteristic of liquid crystal display.
Description
Technical field
The making field that the present invention relates to liquid crystal display, relates to a kind of liquid crystal display in particularArray base palte distribution structure.
Background technology
Along with scientific and technological development has also brought very large variation to people's life, old-fashioned, heavy,The display screen of highly energy-consuming is substituted by the flat-panel monitor thin, light, energy consumption is low, and liquid crystal displayIt is one of current flat-panel monitor being widely used.
The structure of traditional liquid crystal display comprises a LCD panel and a peripheral part, this liquid crystal displayPlate has a display pixel part, is input to sweep signal and the data of scan line and holding wire for basisSignal shows required image, and this peripheral part is positioned at peripheral part of display pixel part as a framework.In part, arrange and make display pixel part and sweep signal and data by the connection distribution with layer aroundThe drive IC of signal connects. As shown in Figure 1, the office being connected with IC for peripheral part of conventional liquid crystalPortion's amplification view. In Fig. 1, the scan line that display pixel part 101 is drawn or data wire are by connectingDistribution 103 connects with multiple terminals 104 that are connected that are ordered in peripheral part respectively.
As shown in Figure 1, the connection distribution that is positioned at center is the shortest with the distance that is connected terminals 104, successivelyThe length that connects distribution increases along with the increase of the distance of correspondence connection terminals Ju Gai center connection terminalsAdd. Owing to connecting the length difference of distribution, the resistance that connects distribution is also different. In the prior artFor making to connect the resistance equalization of distribution, current way is: make to connect terminals and carry to display pixel partThere is a sweep for same sweep signal and the distribution of data-signal, thereby ensure the resistance of distributionEqualization, specifically as shown in Figure 2.
For fear of signal coupling, restricted for the spacing that connects distribution with layer, be generally largeIn equaling 6um. But, because IC number of the display floater on liquid crystal display is fewer and feweri, expandThe area of display pixel part of display panels, and reduced peripheral part of liquid crystal display,Reduced the area of frame part, therefore, in the more and more less feelings of IC leading-out terminal spacing (pitch)Under condition, still adopt LCD (Liquid Crystal Display) array substrate distribution structure of the prior art, can not meetTo connecting the resistance difference of distribution and the requirement of spacing, thereby reduce the display characteristic of liquid crystal display.Therefore, be badly in need of a kind of new structure with after meeting IC number and reducing, to connect distribution resistance difference andThe requirement of spacing.
Summary of the invention
In view of this, the invention provides a kind of LCD (Liquid Crystal Display) array substrate distribution structure, existing to overcomeHave in technology because IC number reduces, existing LCD (Liquid Crystal Display) array substrate distribution structure cannot meetConnect the problem of the resistance difference of distribution and the requirement of spacing.
For achieving the above object, the invention provides following technical scheme:
A kind of LCD (Liquid Crystal Display) array substrate distribution structure, based on IC the display panels that number is less,Comprise: peripheral part that is positioned at the pixel display section surrounding of display panels;
In described peripheral part:
Be provided with the connection distribution being connected with scan line in described display pixel part or data wire, described phaseAdjacent connection distribution is made up of different layers metal;
Connection terminals with the corresponding connection of described connection distribution.
Preferably, described adjacent connection distribution is made up of different layers metal, and described metal is: molybdenum, aluminium,Any one in chromium or copper or arbitrarily alloy.
Preferably, described adjacent connection distribution is connected with described scan line and data wire respectively;
The connection distribution that connects described scan line is scan line layer metal, and the connection that connects described data wire is joinedLine is data line layer metal, described scan line layer metal and described data wire metal alternative arrangement.
Preferably, the spacing of described adjacent connection distribution is less than 6 microns, is more than or equal to 3 microns.
Preferably, the width difference of described adjacent connection distribution.
Preferably, the scan line in described display pixel part or data wire by connect connection distribution withCorresponding sweep signal and the driving of data-signal are connected.
Preferably, described connection distribution is divided into:
Sweep, described sweep arranges degree of crook according to the resistance of described connection distribution;
To the sloping portion of scan line or data wire inclination extension;
And be parallel to the parallel portion that scan line or data wire extend.
Known via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of liquid crystalShow device array base palte distribution structure, make adjacent connection distribution adopt the metal of different layers by the present invention.And, because the spacing between the metal of different layers can be than the spacing with between layer metal more in the time makingLittle, therefore, can ensure resistance difference between adjacent connection distribution and the resistance of outermost root distributionThe resistance difference of HeIC center distribution that pad connects is less, can be by reducing between adjacent connection distributionSpacing, to meet in the case of the framework of liquid crystal display narrows, makes to connect the resistance equalization of distribution,And the spacing of adjacent distribution and resistance difference less, thereby final realization improved the aobvious of liquid crystal displayShow the object of characteristic.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is peripheral part of conventional liquid crystal and the local amplification view of IC coupling part;
Fig. 2 is the connection diagram of conventional liquid crystal medium resistance distribution;
Fig. 3 is the structural representation of the disclosed liquid crystal display of the embodiment of the present invention;
Fig. 4 is the structural representation of the disclosed LCD (Liquid Crystal Display) array substrate distribution of the embodiment of the present invention.
Detailed description of the invention
For quote and know for the purpose of, explanation, the summary of writing a Chinese character in simplified form or abridge of technical term hereinafter usingAs follows:
IC: integrated circuit is to adopt semiconductor fabrication process, makes on a less monocrystalline silicon pieceThe components and parts such as upper many transistors and resistor, capacitor, and according to the side of multilayer wiring or tunnel wiringComponents and parts are combined into complete electronic circuit by method;
Pitch: spacing;
μ m: long measure, micron;
TFT:ThinFilmTransistor, TFT.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
From background technology, the structural representation of connection distribution of the prior art, i.e. traditional liquid crystalThe connection diagram of display medium resistance distribution as shown in Figure 2, is arranged in the IC4 of LCD panel successivelyBe listed as multiple connection terminals, these connection terminals are respectively by connecting in distribution 3 and display pixel part 1Scan line connect. The rake that each connection distribution 3 comprises sweep 3a, extends to inclining scanning lineDivide 3b and be basically parallel to the parallel portion 3c that scan line extends.
As shown in Figure 2, the sweep 3a of connection distribution 3 that is positioned at core is the longest, is positioned at outermostThe sweep 3c of the connection distribution 3 of side is the shortest. Due to, connect distribution 3 and be positioned at outermost end and bosomPart resistance can not do identical, therefore, by connect distribution 3 to display pixel part 1The sweep signal waveform providing, the distortion level of data signal waveforms, according to the length between distribution notThere is together difference. Therefore, the voltage that writes each pixel is also unequal, thereby makes the brightness of LCD panelReduce or increase. Wherein, be connected to unequal the showing on display board of resistance of the connection distribution of scan lineThe brightness that is exactly vertical direction changes, and is connected to the unequal table of resistance of the connection distribution on holding wireOn display board, be exactly now changing of brightness in horizontal direction.
Due to, the IC in present liquid crystal display number requirement is more few better, and expands LCD panelThe area of display pixel part, and reduce peripheral part of liquid crystal display, i.e. the area of frame part.In order to meet the needs that reduce frame area, need to, ensureing to connect on the basis of distribution resistance equalization, fallLow arrangement connects the space length of distribution. Consider the spacing adopting between same layer distribution of the prior artRequire 6 μ m and more than, therefore, the invention provides a kind of LCD (Liquid Crystal Display) array substrate distribution structure,Make the metal of adjacent connection distribution employing different layers, by reducing the spacing between adjacent connection distribution,To meet in the case of the framework of liquid crystal display narrows, make to connect the resistance equalization of distribution, Yi JixiangBetween neighbour, the spacing of distribution and resistance difference are less, realize the raising of the display characteristic of liquid crystal display. SpecificallyStructure is elaborated by following examples.
Embodiment mono-
Refer to accompanying drawing 3, for liquid crystal display disclosed by the invention comprises a LCD panel, this liquid crystalShow that plate has display pixel part 1, one peripheral part 2, this peripheral part is positioned at display pixel part 1Surrounding, as shown in Figure 3, also comprise one to scan line provide drive the drive IC 41 of signal and one toData wire provides the drive IC 42 of data-signal, and (number of drive IC is not limited in actual applicationsThis). The multiple connection terminals that are arranged in order in this drive IC 41 or drive IC 42 are respectively by connectingConnecing distribution 3 is connected with scan line or data wire in display pixel part 1.
It should be noted that, in embodiment disclosed by the invention, liquid crystal display is based on TFT structure.
Fig. 4 is the structural representation of the disclosed LCD (Liquid Crystal Display) array substrate distribution of the embodiment of the present invention, mainTo be that (corresponding what connect is display pixel part for enlarged drawing in the rectangular extent that in Fig. 3, dotted line frame limitsThe scan line gathering).
In described peripheral part 2, be mainly provided with and be connected with the scan line in described display pixel part 1Connect distribution 3, this connection distribution 3 is divided into: sweep 3a, the rake extending to inclining scanning lineDivide 3b and be basically parallel to the parallel portion 3c that scan line extends. As shown in Figure 4, be positioned at coreThe sweep 3a of distribution 3 is the longest, and the sweep 3a that is positioned at outermost distribution 3 is the shortest.
In the disclosed structure of the embodiment of the present invention, above-mentioned adjacent connection distribution 3 is by different layers metal structureBecome (in Fig. 4, identifying adjacent connection distribution 3 with tubular wire and entity line). And should be by different layers metalThe adjacent connection distribution 3 forming connects respectively at corresponding connection terminals, and these connection terminals successivelyBe arranged in IC41.
It should be noted that, above-mentioned adjacent connection distribution 3 is made up of different layers metal, and this metal canFor any one in molybdenum MO, aluminium AL, chromium CR or copper CU, or in above-mentioned metal arbitrarilyThe alloy of combination, or other can transmit the alloy of sweep signal and data-signal.
Same, when by connection distribution connection data line, adopt same structure to realize. AdoptThe metal of different layers arranges the structure of adjacent connection distribution 3.
On the basis of the disclosed embodiment of the invention described above, above-mentioned adjacent connection distribution 3 respectively withWhen described scan line is connected with data wire, the connection distribution 3 that connects described scan line is scan line layer metal,The connection distribution 3 of connection data line is data line layer metal, and, this scan line layer metal and data wireLayer metal alternative arrangement.
Forming adjacent connection by the metal of disclosed employing different layers in the invention described above embodiment joinsLine 3, due to the metal resistance difference of different layers, in the case of ensureing to connect the resistance equalization of distribution 3,Can make the spacing between adjacent connection distribution 3 be reduced to 3 μ m, can so that adjacent connection distribution betweenApart from being less than 6 μ m, be more than or equal to 3 μ m. And compare the company of different layers with the distribution that is connected of the prior artConnect the width difference of distribution, and wider than the live width of the connection distribution with layer metal. Therefore, arrive at ICWhen viewing area distance is fixing, cause connect the resistance value of distribution and the spacing of adjacent connection distribution,Resistance difference is less, meets after IC number reduces, the resistance difference to connection distribution and spacingRequirement.
Therefore, in sum, make the metal of adjacent connection distribution employing different layers by the present invention, byResistance difference between the metal of different layers, for ensureing to connect the resistance equalization between distribution, canBy reducing the spacing between adjacent connection distribution, to meet situation about narrowing at the framework of liquid crystal displayUnder, make to connect the resistance equalization of distribution, and the spacing of adjacent distribution and resistance difference less, therebyThe final object that realizes the display characteristic that improves liquid crystal display.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe present invention. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that not departing from the spirit or scope of the present invention,Realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a LCD (Liquid Crystal Display) array substrate distribution structure, based on IC the LCD that number is lessPlate, is characterized in that, comprising: a periphery that is positioned at the pixel display section surrounding of display panelsPoint;
In described peripheral part:
Be provided with the connection distribution being connected with scan line in described display pixel part or data wire, described companyConnect the adjacent setting of distribution, it is made up of different layers metal;
Connection terminals with the corresponding connection of described connection distribution;
Wherein, in described adjacent connection distribution, a connection distribution is connected with described scan line, anotherConnecting distribution is connected with described data wire;
The connection distribution that connects described scan line is scan line layer metal, and the connection that connects described data wire is joinedLine is data line layer metal, described scan line layer metal and described data wire metal alternative arrangement.
2. structure according to claim 1, is characterized in that, described adjacent connection distribution is not byForm with layer metal, described metal is: any one in molybdenum, aluminium, chromium or copper or arbitrarily alloy.
3. according to the structure described in any one in claim 1 to 2, it is characterized in that, described adjacentThe spacing of connection distribution be less than 6 microns, be more than or equal to 3 microns.
4. according to the structure described in any one in claim 1 to 2, it is characterized in that, described adjacentThe width difference of connection distribution.
5. according to the structure described in any one in claim 1 to 2, it is characterized in that described demonstrationScan line in pixel portion is driven and connects with corresponding sweep signal by the connection distribution connecting, described inData wire in display pixel part is driven and connects with corresponding data-signal by the connection distribution connecting.
6. according to the structure described in any one in claim 1 to 2, it is characterized in that described connectionDistribution is divided into:
Sweep, described sweep arranges degree of crook according to the resistance of described connection distribution;
To the sloping portion of scan line or data wire inclination extension;
And be parallel to the parallel portion that scan line or data wire extend.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110137947.3A CN102798994B (en) | 2011-05-25 | 2011-05-25 | LCD (Liquid Crystal Display) array substrate distribution structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110137947.3A CN102798994B (en) | 2011-05-25 | 2011-05-25 | LCD (Liquid Crystal Display) array substrate distribution structure |
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| CN102798994A CN102798994A (en) | 2012-11-28 |
| CN102798994B true CN102798994B (en) | 2016-05-18 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474435A (en) | 2013-09-17 | 2013-12-25 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof |
| KR102387786B1 (en) * | 2015-07-28 | 2022-04-15 | 엘지디스플레이 주식회사 | Backplane Substrate and Flexible Display Using the Same |
| CN106448542A (en) * | 2016-11-30 | 2017-02-22 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107895727B (en) * | 2017-12-01 | 2020-01-21 | 南京中电熊猫液晶显示科技有限公司 | Display substrate and manufacturing method thereof |
| JP2019152832A (en) * | 2018-03-06 | 2019-09-12 | シャープ株式会社 | Active matrix substrate and display panel |
| CN109143706A (en) * | 2018-09-18 | 2019-01-04 | 武汉华星光电半导体显示技术有限公司 | A kind of display panel and display device |
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| US6842200B1 (en) * | 2003-06-18 | 2005-01-11 | Hannstar Display Corporation | Liquid crystal panel having compensation capacitors for balancing RC delay effect |
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| JP2000056724A (en) * | 1998-08-04 | 2000-02-25 | Fujitsu Ltd | Display device |
| CN1416001A (en) * | 2001-11-02 | 2003-05-07 | 日本电气株式会社 | Liquid crystal display |
| CN1495477A (en) * | 2002-09-16 | 2004-05-12 | ���ǵ�����ʽ���� | Display base plate, liquid crystal display and method for mfg. the same |
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| CN102798994A (en) | 2012-11-28 |
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Effective date of registration: 20180724 Address after: 536000 the Guangxi Zhuang Autonomous Region Beihai Industrial Park Taiwan Road 10 1 Guangxi Hui Ke Technology Co., Ltd. three story factory floor Patentee after: BEIHAI HKC PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong province Shenzhen District Longgang District Bantian Street cloth road long Rong building A-6C Patentee before: SHENZHEN LANSITENG SCIENCE & TECHNOLOGY CO.,LTD. Effective date of registration: 20180724 Address after: 518000 Guangdong province Shenzhen District Longgang District Bantian Street cloth road long Rong building A-6C Patentee after: SHENZHEN LANSITENG SCIENCE & TECHNOLOGY CO.,LTD. Address before: No. 3388, Huing Road, Minhang District, Shanghai City, Shanghai Patentee before: Shanghai AVIC Optoelectronics Co.,Ltd. |
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