CN1740879A - Fan out-conductor section for planar display device - Google Patents
Fan out-conductor section for planar display device Download PDFInfo
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- CN1740879A CN1740879A CN 200510099175 CN200510099175A CN1740879A CN 1740879 A CN1740879 A CN 1740879A CN 200510099175 CN200510099175 CN 200510099175 CN 200510099175 A CN200510099175 A CN 200510099175A CN 1740879 A CN1740879 A CN 1740879A
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- conductor section
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Abstract
The fan-out wire region is used for connecting a driving circuit and a display area of a plane display, and includes several first single-layer wires and at least a second single-layer wire, one ends of these first single-layer wires are connected to driving circuit, and another ends are connected to the display area, and one end of said second single-layer wire is connected to the driving circuit, its another end is connected to the display area, in which the metal layer belonging to these first single-layer wires is different from metal layer belonging to said second single-layer wire.
Description
Technical field
The present invention relates to a kind of flat-panel screens, particularly relate to a kind of fan out-conductor section that is used for flat-panel screens.
Background technology
Flat-panel screens, for example LCD, plasma scope etc., have high image quality, volume is little, in light weight and advantage such as applied range, therefore be widely used in consumption electronic products such as mobile phone, mobile computer, desktop display and TV, and replace traditional cathode-ray tube display gradually and become the main flow of display.And requirements such as so-called large tracts of land, high resolving power also become the key point of these flat-panel screens demands.
Fig. 1 is the existing structure synoptic diagram that illustrates flat-panel screens.In flat-panel screens 100, be arranged in the chip for driving of data drive circuit 104 and scan drive circuit 106, provide data line and the sweep trace of signal to the viewing area 102 respectively via separately fan-out (fan-out) conductor section 108.Spacing between data line or sweep trace is big because the spacing between the chip for driving pin is little, and fan out-conductor section 108 can be less near an end area of driving circuit 104 and 106, and the end area near viewing area 102 can be bigger, thereby present a sector region.
Fig. 2 is the synoptic diagram that illustrates existing fan out-conductor section.As a rule, fan out-conductor section 108 uses different simple layer metal levels to constitute its lead 208 respectively according to the different driving circuit 104 or 106 that it connected.For instance, connect the fan out-conductor section 108 of data drive circuit 104, its lead 208 is by second metal level (the Metal II of display panel; M2) constitute; The fan out-conductor section 108 that connects scan drive circuit 106,208 the first metal layer (MetalI of its lead by display panel; M1) constitute.
Yet along with the resolution of flat-panel screens improves and display frame size narrows down, the spacing that lead is 208 is also reduced and approach the limit that design rule (design rule) is allowed.Moreover, influencing signal quality for fear of different transmission path length, the lead 208 in the fan out-conductor section 108 needs the transmission path of impedances such as unnecessary complications provide sometimes, and this way also can take more space.Therefore, above-mentioned use simple layer metal level constitutes the prior art of all leads 208 in the same fan out-conductor section 108, can not satisfy current required, can't be in order to make the more flat-panel screens of high resolving power, more frivolous size and higher display quality.
Summary of the invention
Therefore one aspect of the present invention is exactly that a kind of fan out-conductor section of flat-panel screens is being provided, in order to make the more flat-panel screens of high resolving power, more frivolous size and higher display quality.
According to a preferred embodiment of the invention, this fan out-conductor section comprises many leads.Each bar lead is made of the simple layer metal level, and wherein the metal level of at least one lead is different with the metal level of other lead.
According to another preferred embodiment of the invention, this fan out-conductor section is positioned on the glass substrate of a flat-panel screens, and comprises many leads.Those leads are formed by the first metal layer on the glass substrate or one second metal level respectively, and wherein at least one lead is arranged at the first metal layer, and another lead is arranged at second metal level at least, and each bar lead can not striden layer setting.
According to another preferred embodiment of the invention, one drive circuit and the viewing area of this fan out-conductor section in order to connect a flat-panel screens, and comprise many first individual layer leads and at least one second individual layer lead.One end of those first individual layer leads is connected to driving circuit, and the other end is connected to the viewing area.One end of this second individual layer lead is connected to driving circuit, and the other end is connected to the viewing area, and wherein the metal level under those first individual layer leads is different from the metal level under this second individual layer lead.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, below accompanying drawing be described in detail as follows.In the accompanying drawing:
Fig. 1 is the existing structure synoptic diagram that illustrates flat-panel screens;
Fig. 2 is the synoptic diagram that illustrates existing fan out-conductor section;
Fig. 3 is the structural representation that illustrates the flat-panel screens of a preferred embodiment of the present invention;
Fig. 4 A is the synoptic diagram that illustrates the fan out-conductor section of a preferred embodiment of the present invention;
Fig. 4 B is the synoptic diagram that illustrates the fan out-conductor section of another preferred embodiment of the present invention;
Fig. 4 C is the synoptic diagram that illustrates the fan out-conductor section of another preferred embodiment of the present invention; And
Fig. 5 is the cross sectional side view that illustrates a preferred embodiment of the present invention.
The simple symbol explanation
100: flat-panel screens 102: viewing area
104: data drive circuit 106: scan drive circuit
108: fan out-conductor section 208: lead
300: flat-panel screens 302: viewing area
304: data drive circuit 306: scan drive circuit
308: fan out-conductor section
408a, 408b, 408c: fan out-conductor section
418: lead 428: lead
502: viewing area 508: fan out-conductor section
510: glass substrate 518: lead
527: connector 538: connection line
Embodiment
The present invention uses different simple layer metal levels to form other lead respectively in same fan out-conductor section, can not stride layer by a plurality of metal levels and each bar lead the arrangement of conductors density that improves in the fan out-conductor section is set, for making the more flat-panel screens of high resolving power, more frivolous size and higher display quality.
Fig. 3 is the structural representation that illustrates the flat-panel screens of a preferred embodiment of the present invention.Flat-panel screens 300 comprises a viewing area 302, a data drive circuit 304 and scan driving circuit 306.This flat-panel screens 300 for example can be LCD, plasma scope, organic electro-luminescent display, light interference type display or other flat-panel screens that is suitable for.
Be arranged in the chip for driving of data drive circuit 304 and scan drive circuit 306, provide data line and the sweep trace of signal to the viewing area 302 respectively via separately fan out-conductor section 308.Spacing between data line or sweep trace is big because the spacing between the chip for driving pin is little, and fan out-conductor section 308 can be less near the driving circuit end area, can be bigger near the viewing area end area, thereby present a sector region.
Fig. 4 A is the synoptic diagram that illustrates the fan out-conductor section of a preferred embodiment of the present invention.This fan out-conductor section 408a comprises many leads 418 and 428.Each bar lead 418 is made of the first metal layer M1 separately, and each bar lead 428 then is made of the second metal level M2 separately.That is each bar lead 418 or 428 is made of simple layer metal level M1 or M2, and wherein the metal level of at least one lead is different with the metal level of other lead.
On the one hand, this fan out-conductor section 408a is positioned on the glass substrate of a flat-panel screens, and comprises many leads 418 and 428. Lead 418 and 428 is formed by the first metal layer M1 on the glass substrate or one second metal level M2 respectively, wherein at least one lead (being lead 418) is arranged at the first metal layer M1, and another lead (being lead 428) is arranged at the second metal level M2 at least.And each bar lead 418 or 428 can not striden layer setting, and single wire must be formed by simple layer metal level M1 or M2 separately.
On the other hand, please refer to Fig. 3 and Fig. 4 A, this fan out-conductor section 408a is in order to connecting viewing area 302 and driving circuit 304 or 306 of flat-panel screens 300, and comprises many first individual layer leads 418 and at least one the second individual layer leads 428.One end of the first individual layer lead 418 is connected to driving circuit 304 or 306, and the other end is connected to viewing area 302.One end of the second individual layer lead 428 is connected to driving circuit 304 or 306, and the other end is connected to viewing area 302.
The first metal layer M1 under the first individual layer lead 418 is different from the second metal level M2 under this second individual layer lead 428.Moreover those individual layer leads 418 and 428 are connected to a plurality of pins of driving circuit 304 or 306 one to one, i.e. its chip for driving pin.
Fig. 4 B is the synoptic diagram that illustrates the fan out-conductor section of another preferred embodiment of the present invention.Fig. 4 C is the synoptic diagram that illustrates the fan out-conductor section of another preferred embodiment of the present invention.Following with reference to Fig. 4 A to Fig. 4 C, the relation between the different individual layer leads that adhere to different simple layer metal levels separately is described.
According to the preferred embodiments of the present invention, those leads 418 and 428 can repeatedly be arranged by a predefined procedure in fan out-conductor section 408a according to the metal level under it.Even two those adjacent leads 418 and 428 are positioned at the different metal layer, and even one of them is positioned at the first metal layer M1, and then another that is adjacent then is positioned at the second metal level M2.
Shown in Fig. 4 A, the lead 418 and 428 that adheres to different simple layer metal levels separately is staggered, that is lead 418 its both sides that are positioned at the first metal layer M1 are all the lead 428 that is positioned at the second metal level M2.Or shown in Fig. 4 B, the lead 428 of the second metal level M2 also can be located immediately at the top of the lead 418 of the first metal layer M1.
So, the I of the spacing between two leads 418 of the first metal layer M1 equals the limit that design rule allows, and the spacing minimum between two leads 428 of the second metal level M2 also can equal design rule institute tolerance limit.By this kind arrangement mode, adjacent two leads 418 and 428 are owing to adhere to different simple layer metal level M1 and M2 separately, therefore its spacing can increase the lead number in the fan out-conductor section less than the limit that design rule allowed, and improves the quality of its signal that transmits.
Those skilled in the art are required when viewable design and specification, select the arrangement mode of 428 in lead 418 and lead voluntarily, needn't be limited to the man-to-man corresponding arrangement mode shown in Fig. 4 A or Fig. 4 B.Shown in Fig. 4 C, single lead 428 at the second metal level M2 also can be arranged between two leads 418 and two leads 418 of the first metal layer M1, moderately increases the wire density in the fan out-conductor section.
Fig. 5 is the cross sectional side view that illustrates a preferred embodiment of the present invention, how to be connected to the display element that the viewing area is positioned at the second metal level M2 in order to the lead that is arranged in the first metal layer M1 in the explanation fan out-conductor section.More particularly, display element in viewing area 502 (not illustrating), when its connection line 538 is positioned at the second metal level M2 of glass substrate 510 tops, be positioned at the lead 518 of the first metal layer M1 in the fan out-conductor section 508, can go up formation overlap joint hole (through hole) earlier in the first metal layer M1 and the second metal level M2, and be connected to connection line 538 via the conductive layer 527 that connects this two overlap joints hole.
In other words, the individual layer lead that the fan out-conductor section of above preferred embodiment is included is as long as utilize overlap joint hole and conductive layer can be connected to the connection line (for example data line or sweep trace) that is positioned at this individual layer lead different metal layer in the viewing area.Therefore, use the lead that is all constituted to connect data drive circuit compared to prior art by the second metal level M2, and using the lead that is all constituted to connect scan drive circuit by the first metal layer M1, those preferred embodiments can use the fan out-conductor section that comprises different individual layer leads simultaneously to connect data drive circuit or scan drive circuit.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; those skilled in the art can do a little change and retouching without departing from the spirit and scope of the present invention, thus protection scope of the present invention should with accompanying Claim the person of being defined be as the criterion.
Claims (12)
1. fan out-conductor section that is used for flat-panel screens comprises:
Many leads, each bar lead is made of the simple layer metal level, and wherein the metal level of at least one lead is different with the metal level of other lead.
2. the fan out-conductor section of flat-panel screens as claimed in claim 1, wherein those leads are repeatedly arranged by a predefined procedure in this fan out-conductor section according to the metal level under it.
3. the fan out-conductor section of flat-panel screens as claimed in claim 1, wherein two those adjacent leads are made of different simple layer metal levels respectively.
4. the fan out-conductor section of flat-panel screens as claimed in claim 1, wherein those leads are positioned at the glass substrate top of this flat-panel screens.
5. a fan out-conductor section is positioned on the glass substrate of a flat-panel screens, and this fan out-conductor section comprises:
Many leads are formed by the first metal layer on this glass substrate or one second metal level respectively, and wherein at least one lead is arranged at this first metal layer, and another lead is arranged at this second metal level at least, and each bar lead can not striden layer setting.
6. fan out-conductor section as claimed in claim 5, wherein those leads are repeatedly arranged by a predefined procedure in this fan out-conductor section according to the metal level under it.
7. fan out-conductor section as claimed in claim 5, wherein two those adjacent leads are made of different metal levels respectively.
8. fan out-conductor section, in order to the one drive circuit and the viewing area that connect a flat-panel screens, this fan out-conductor section comprises:
Many first individual layer leads, an end of those first individual layer leads is connected to this driving circuit, and the other end is connected to this viewing area; And
At least one second individual layer lead, an end of this second individual layer lead is connected to this driving circuit, and the other end is connected to this viewing area, and wherein the metal level under those first individual layer leads is different from the metal level under this second individual layer lead.
9. fan out-conductor section as claimed in claim 8, wherein those individual layer leads are connected to a plurality of pins of this driving circuit one to one.
10. fan out-conductor section as claimed in claim 8, wherein those individual layer leads are repeatedly arranged by a predefined procedure in this fan out-conductor section according to the metal level under it.
11. fan out-conductor section as claimed in claim 8, wherein two those adjacent individual layer leads are positioned at the different metal layer.
12. fan out-conductor section as claimed in claim 8, wherein those individual layer leads are positioned at the glass substrate top of this flat-panel screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510099175 CN1740879A (en) | 2005-09-09 | 2005-09-09 | Fan out-conductor section for planar display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510099175 CN1740879A (en) | 2005-09-09 | 2005-09-09 | Fan out-conductor section for planar display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1740879A true CN1740879A (en) | 2006-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510099175 Pending CN1740879A (en) | 2005-09-09 | 2005-09-09 | Fan out-conductor section for planar display device |
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| CN (1) | CN1740879A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136010A1 (en) * | 2011-04-08 | 2012-10-11 | 深圳市华星光电技术有限公司 | Fan-out for chip, method for forming fan-out and liquid crystal device using fan-out |
| CN103399434A (en) * | 2013-08-01 | 2013-11-20 | 深圳市华星光电技术有限公司 | Display panel and fan-out line structure thereof |
| CN104952888A (en) * | 2015-07-20 | 2015-09-30 | 合肥鑫晟光电科技有限公司 | Peripheral circuit for display baseplate, display baseplate and display device |
| CN105093758A (en) * | 2015-09-07 | 2015-11-25 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and device |
| CN106773389A (en) * | 2016-12-30 | 2017-05-31 | 惠科股份有限公司 | Liquid crystal display device and panel thereof, and connection structure of display panel and system circuit |
| CN107065334A (en) * | 2017-03-09 | 2017-08-18 | 友达光电股份有限公司 | Display panel |
| CN107305757A (en) * | 2016-04-21 | 2017-10-31 | 瀚宇彩晶股份有限公司 | Display device |
| CN107561798A (en) * | 2017-10-26 | 2018-01-09 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| CN107658285A (en) * | 2017-10-26 | 2018-02-02 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| CN107808864A (en) * | 2017-10-26 | 2018-03-16 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| CN111667765A (en) * | 2020-06-28 | 2020-09-15 | 武汉华星光电技术有限公司 | Fan-out line structure, display panel and display device |
-
2005
- 2005-09-09 CN CN 200510099175 patent/CN1740879A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136010A1 (en) * | 2011-04-08 | 2012-10-11 | 深圳市华星光电技术有限公司 | Fan-out for chip, method for forming fan-out and liquid crystal device using fan-out |
| CN103399434A (en) * | 2013-08-01 | 2013-11-20 | 深圳市华星光电技术有限公司 | Display panel and fan-out line structure thereof |
| WO2015013994A1 (en) * | 2013-08-01 | 2015-02-05 | 深圳市华星光电技术有限公司 | Display panel and fan-out line structure thereof |
| CN103399434B (en) * | 2013-08-01 | 2015-09-16 | 深圳市华星光电技术有限公司 | Display panel and Fanout line structure thereof |
| GB2531955A (en) * | 2013-08-01 | 2016-05-04 | Shenzhen China Star Optoelect | Display panel and fan-out line structure thereof |
| GB2531955B (en) * | 2013-08-01 | 2020-11-04 | Shenzhen China Star Optoelect | Display panel and fan out-line structure thereof |
| CN104952888A (en) * | 2015-07-20 | 2015-09-30 | 合肥鑫晟光电科技有限公司 | Peripheral circuit for display baseplate, display baseplate and display device |
| CN105093758A (en) * | 2015-09-07 | 2015-11-25 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and device |
| WO2017041291A1 (en) * | 2015-09-07 | 2017-03-16 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and apparatus |
| CN107305757A (en) * | 2016-04-21 | 2017-10-31 | 瀚宇彩晶股份有限公司 | Display device |
| WO2018120931A1 (en) * | 2016-12-30 | 2018-07-05 | 惠科股份有限公司 | Liquid crystal display device and panel thereof, and connection structure of display panel and system circuit |
| CN106773389A (en) * | 2016-12-30 | 2017-05-31 | 惠科股份有限公司 | Liquid crystal display device and panel thereof, and connection structure of display panel and system circuit |
| CN107065334A (en) * | 2017-03-09 | 2017-08-18 | 友达光电股份有限公司 | Display panel |
| CN107561798A (en) * | 2017-10-26 | 2018-01-09 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| CN107658285A (en) * | 2017-10-26 | 2018-02-02 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| CN107808864A (en) * | 2017-10-26 | 2018-03-16 | 惠科股份有限公司 | Fan-out line structure and manufacturing method thereof |
| WO2019080201A1 (en) * | 2017-10-26 | 2019-05-02 | 惠科股份有限公司 | Fan-out line structure and manufacturing method therefor |
| WO2019080200A1 (en) * | 2017-10-26 | 2019-05-02 | 惠科股份有限公司 | Fan-out line structure and manufacturing method therefor |
| WO2019080199A1 (en) * | 2017-10-26 | 2019-05-02 | 惠科股份有限公司 | Fan-out line structure and manufacturing method therefor |
| CN111667765A (en) * | 2020-06-28 | 2020-09-15 | 武汉华星光电技术有限公司 | Fan-out line structure, display panel and display device |
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