CN201886231U - Integrally driven TFT (thin film transistor) array substrate and liquid crystal display panel - Google Patents
Integrally driven TFT (thin film transistor) array substrate and liquid crystal display panel Download PDFInfo
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- CN201886231U CN201886231U CN2010206529209U CN201020652920U CN201886231U CN 201886231 U CN201886231 U CN 201886231U CN 2010206529209 U CN2010206529209 U CN 2010206529209U CN 201020652920 U CN201020652920 U CN 201020652920U CN 201886231 U CN201886231 U CN 201886231U
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Abstract
The utility model discloses an integrally driven TFT (thin film transistor) array substrate and a liquid crystal display panel, which relates to the technical field of liquid crystal display, and solves the problem that drive signals transmitted on drive signal lines have larger delay. The integrally driven TFT array substrate of the embodiment of the utility model comprises an effective display area prepared with pixels, and a drive circuit integrated at one side of the effective display area; and an area for coating frame sealing glue is reserved at the surrounding of the effective display area. The integrally driven TFT array substrate is characterized in that a first group of drive signal lines is arranged outside the area for coating the frame sealing glue on the TFT array substrate; and the first group of drive signal lines transmits the drive signals to the drive circuit. The embodiment of the utility model is mainly used for liquid crystal display equipment, and particularly used for the liquid crystal display equipment adopting GOA(Gate Driver On Array) technology.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relates in particular to the tft array substrate and the liquid crystal panel of integrated driving.
Background technology
GOA (Gate Driver on Array, the capable Driving technique on the array base palte) technology is directly gate driver circuit (Gate driver ICs) to be produced on array (Array) substrate, replaces the chip for driving by external silicon wafer to manufacture.The GOA The Application of Technology can reduce the production technology program, reduces product technology cost, improves the integrated level of TFT-LCD panel.
The liquid crystal panel that the tft array substrate of available technology adopting GOA technology is made is produced on driving circuit 12 on the tft array substrate 11 and is mainly each row controlling grid scan line driving voltage is provided as shown in Figure 1 among Fig. 1.In order to be input to driving circuit on the tft array substrate 11 to the signal that plays driving action, on 12 tft array substrates that the drive signal line 13 of these driving action signals of transmission need be made.The signal of above-mentioned driving action can include but not limited to: STV signal (shows signal), Vdd signal (operating voltage signal), Vss signal (common ground signal), CLK signal (clock signal).
The connected mode of each drive signal line 13 and driving circuit 12 is with reference to figure 2, and driving circuit 12 is made up of many groups shift register, and each drive signal line 13 need be connected to the signal input part of respectively organizing the shift register correspondence.
Above-mentioned tft array substrate 11 is formed liquid crystal panel by envelope frame glue 14 and color membrane substrates 16 involutory backs, as shown in figures 1 and 3, in the prior art to fashionable, the position of envelope frame glue 14 is arranged on the outside of above-mentioned drive signal line 13 and driving circuit 12, is equivalent to have following three parts simultaneously: drive signal line 13, driving circuit 12 and the effective viewing area 15 that is driven pixel in the inside of envelope frame glue 14.
State in realization in the process of GOA technology, the inventor finds that there are the following problems at least in the prior art:
The first, it is less to be positioned at the peak width size that is driven the pixel periphery in envelope frame glue inside, and in present product, above-mentioned width generally is set at 2.5mm to 3.3mm, and portioned product is 2.5mm to 4.2mm with above-mentioned width setup also.Because can the layout drive signal line and the driving circuit space limited, cause drive signal line generally thinner, make the resistance on the drive signal line increase, thus, the drive signal of transmitting on drive signal line will have bigger delay, and the delay of controlling grid scan line that particularly reaches last column is bigger.
The second, drive signal line is positioned at envelope frame glue inboard, make the transparency conducting layer 17 on drive signal line and the color membrane substrates 16 will form electric capacity, and owing to be the medium that liquid crystal serves as described electric capacity, so the electric capacity between the transparency conducting layer 17 on drive signal line and the color membrane substrates is bigger, make the drive signal of transmitting on the drive signal line will have bigger delay equally.
The utility model content
Embodiment of the present utility model provides a kind of tft array substrate and liquid crystal panel of integrated driving, to reduce the delay of drive signal on drive signal line.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of tft array substrate of integrated driving comprises the driving circuit that preparation has effective viewing area of pixel and is integrated in described effective viewing area one side, and the periphery of described effective viewing area is reserved with the zone that is coated with fabric width frame glue; The outside, zone that is positioned at coating envelope frame glue on the described tft array substrate is provided with first group of drive signal line, and described first group of drive signal line is transferred to described driving circuit with drive signal.
A kind of liquid crystal panel comprises that described tft array substrate is above-mentioned tft array substrate by involutory tft array substrate and the color membrane substrates of envelope frame glue.
Tft array substrate that the utility model embodiment provides and liquid crystal panel, because first group of drive signal line is arranged on the outside that is coated with fabric width frame glue zone, making the medium between the transparency conducting layer on win group drive signal line and the color membrane substrates is air, with respect to serving as for the described capacitor dielectric by liquid crystal in the prior art, the dielectric coefficient of air is relatively low among the utility model embodiment, be close to and be close to 0, so, the electric capacity that forms between the transparency conducting layer on first group of drive signal line and the color membrane substrates is less, can ignore.And the transmission drive signal postpones to be directly proportional with above-mentioned electric capacity on the drive signal line, so, adopt the utility model embodiment can reduce the delay of drive signal on drive signal line afterwards.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art 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 the tft array substrate synoptic diagram of available technology adopting GOA technology;
Fig. 2 is the connection diagram of drive signal line and driving circuit in the prior art;
Fig. 3 is the liquid crystal panel partial schematic diagram of available technology adopting GOA technology;
Fig. 4 is the tft array substrate synoptic diagram that adopts the GOA technology among the utility model embodiment 1;
Fig. 5 is the liquid crystal panel partial schematic diagram that adopts the GOA technology among the utility model embodiment;
Fig. 6 is a kind of tft array substrate synoptic diagram that adopts the GOA technology among the utility model embodiment 2;
Fig. 7 is the another kind of tft array substrate synoptic diagram that adopts the GOA technology among the utility model embodiment 2.
Embodiment
The utility model provides a kind of tft array substrate of integrated driving, this tft array substrate comprises that preparation has effective viewing area of pixel, and one side is integrated with driving circuit in described effective viewing area, provides driving voltage by this driving circuit for the pixel in effective viewing area; In order can not hidden pixel by envelope frame glue after tft array substrate and color membrane substrates is involutory, the utility model embodiment is reserved with the zone that is coated with fabric width frame glue at the effective periphery of viewing area.
Owing on tft array substrate, be integrated with driving circuit, in order to be input to driving circuit on the tft array substrate to the signal that plays driving action, the utility model embodiment is positioned at coating envelope frame glue on described tft array substrate the outside, zone is provided with first group of drive signal line, by described first group of drive signal line drive signal is transferred to described driving circuit.
Because first group of drive signal line is arranged on the outside that is coated with fabric width frame glue zone, making the medium between the transparency conducting layer on win group drive signal line and the color membrane substrates is air, get for the medium with respect to serving as described electric capacity by liquid crystal in the prior art, the dielectric coefficient of air is relatively low among the utility model embodiment, be close to and be close to 0, so the electric capacity that forms between the transparency conducting layer on first group of drive signal line and the color membrane substrates is less, can ignore.And the transmission drive signal postpones to be directly proportional with above-mentioned electric capacity on the drive signal line, so, adopt the utility model embodiment can reduce the delay of drive signal on drive signal line afterwards.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
The utility model provides a kind of tft array substrate 41 of integrated driving, as shown in Figure 4, has effective viewing area 45 that the preparation of being included on the substrate has pixel to form; And in the pixel process of the effective viewing area of preparation, prepare integrated driving circuit 42 at described effective viewing area 45 1 sides simultaneously, can provide driving voltage for the pixel in effective viewing area 45 by this driving circuit 42.
As shown in Figure 4, the periphery of described effective viewing area 45 is reserved with the zone 44 that is coated with fabric width frame glue, so that tft array substrate and color membrane substrates are carried out can will sealing the zone that frame glue be coated in above-mentioned reservation to fashionable, the space that holds liquid crystal can be defined on the one hand, also effective viewing area can be do not sheltered from the other hand.
In order to be input to driving circuit 42 on the tft array substrate to the signal that plays driving action, as shown in Figure 4, the utility model embodiment is positioned at coating envelope frame glue on described tft array substrate 41 44 outsides, zone also are provided with first group of drive signal line 43, by described first group of drive signal line 43 drive signal are transferred to described driving circuit 42; When specific implementation, the same side that first group of drive signal line 43 among the utility model embodiment and described driving circuit 42 are positioned at described effective viewing area 45, the mode that is provided with in the same side can directly be input to driving circuit 42 with the signal on first group of drive signal line 43.
Because first group of drive signal line 43 is arranged on the outside that is coated with fabric width frame glue zone 44, as shown in Figure 5, make the medium 48 between the transparency conducting layer 47 on win group drive signal line 43 and the color membrane substrates 46 be air, with respect to serving as for the described capacitor dielectric by liquid crystal in the prior art, the dielectric coefficient of air is relatively low among the utility model embodiment, be close to and be close to 0, so, the electric capacity that forms between the transparency conducting layer 47 on first group of drive signal line 43 and the color membrane substrates 46 is less, can ignore.And the transmission drive signal postpones to be directly proportional with above-mentioned electric capacity on the drive signal line 43, so, adopt the utility model embodiment can reduce the delay of drive signal on drive signal line 43 afterwards.
The utility model is mainly used in the driving circuit that is integrated on the tft array substrate, is usually used in the driving circuit of controlling grid scan line especially.With a tft array substrate with 768 row controlling grid scan lines is example, as shown in Figure 1, when by drive signal line drive signal being transferred to the first row controlling grid scan line (gate1) in the prior art, its drive signal does not almost postpone, but drive signal is transferred to last column (the 768th row by drive signal line, gate 768) controlling grid scan line the time, the delay of drive signal is bigger, causes the effective acting time of drive signal less.
Adopt after the utility model embodiment, be example with a tft array substrate equally with 768 row controlling grid scan lines, as shown in Figure 4, transmit drive signal by the first group of drive signal line that is positioned at the outside that is coated with envelope frame glue zone among the utility model embodiment, when being transferred to the controlling grid scan line of last column (the 768th row, gate 768), the retardation ratio prior art of drive signal is little, prolong the effective acting time of drive signal, thereby can improve the display effect of pixel.
In order further to reduce the delay of drive signal, because first group of drive signal line is positioned at the outside that is coated with fabric width frame glue zone among the utility model embodiment, its space no longer is subjected to sealing the restriction of frame glue scope, can increase the width of first group of drive signal line, thereby reduce the resistance on the drive signal line; Because the delay of drive signal also is directly proportional with the resistance of institute's drive signal line, so the width that increases by first group of drive signal line also can reduce the delay of drive signal.
Embodiment 2:
The utility model provides the tft array substrate 61 of another kind of integrated driving, as shown in Figure 6, has effective viewing area 65 that the preparation of being included on the substrate has pixel to form; And in the pixel process of the effective viewing area of preparation, prepare integrated driving circuit 62 at described effective viewing area 65 1 sides simultaneously, can provide driving voltage for the pixel in effective viewing area by this driving circuit.
As shown in Figure 6, the periphery of described effective viewing area 65 is reserved with the zone 64 that is coated with fabric width frame glue, so that tft array substrate and color membrane substrates are carried out can will sealing the zone that frame glue be coated in above-mentioned reservation to fashionable, the space that holds liquid crystal can be defined on the one hand, also effective viewing area can be do not sheltered from the other hand.
In order to be input to driving circuit 62 on the tft array substrate to the signal that plays driving action, the utility model embodiment is positioned at coating envelope frame glue on described tft array substrate 64 outsides, zone also are provided with first group of drive signal line 63, by described first group of drive signal line 63 drive signal are transferred to described driving circuit 62; Different among the desired location of first group of drive signal line 63 and the embodiment 1 in the present embodiment, specifically as shown in Figure 6, described first group of drive signal line 63 comprises two parts, wherein a part 631 be positioned at described effective viewing area 65 and with described driving circuit 62 opposed side edges, another part 632 is positioned at described effective viewing area 65 and adjacent with described driving circuit 62 side.
Because above-mentioned first group of drive signal line is not positioned at the same side of effective viewing area, so the signal on first group of drive signal line can not be directly inputted to driving circuit.For can input drive signal, the utility model embodiment also be provided with second group of drive signal line 66 in effective driving circuit 62 1 sides that are provided with of viewing area 65, and described second group of drive signal line 66 is transferred to described driving circuit 62 with drive signal; Thus, described first group of drive signal line 63 can be transferred to described driving circuit with drive signal by described second group of drive signal 66 line.
Because first group of drive signal line 63 is arranged on the outside that is coated with fabric width frame glue zone, identical with principle shown in Figure 5, making the medium between the transparency conducting layer on win group drive signal line and the color membrane substrates is air, get for the medium with respect to serving as described electric capacity by liquid crystal in the prior art, the dielectric coefficient of air is relatively low among the utility model embodiment, be close to and be close to 0, so, the electric capacity that forms between the transparency conducting layer on first group of drive signal line and the color membrane substrates is less, can ignore.And the transmission drive signal postpones to be directly proportional with above-mentioned electric capacity on the drive signal line, so, adopt the utility model embodiment can reduce the delay of drive signal on drive signal line afterwards.
The utility model is mainly used in the driving circuit that is integrated on the tft array substrate, is usually used in the driving circuit of controlling grid scan line especially.When concrete the use, drive signal can be input to simultaneously first group of drive signal line and second group of drive signal line, make drive signal to be input to driving circuit according to two paths among Fig. 6 (path 1 and path 2).It is less to guarantee that by path 1 transmission drive signal drive signal on the controlling grid scan line of the big multirow in front postpones, and can guarantee that by path 2 transmission drive signals the drive signal of the big multirow controlling grid scan line of back postpones less equally.
With a tft array substrate with 768 row controlling grid scan lines is example, as shown in Figure 6, transmit drive signal by the first group of drive signal line that is positioned at the outside that is coated with envelope frame glue zone among the utility model embodiment, when being transferred to the controlling grid scan line of last column (the 768th row), the retardation ratio prior art of drive signal is little, prolong the effective acting time of drive signal, thereby can improve the display effect of pixel.
In order further to reduce the delay of drive signal, because first group of drive signal line is positioned at the outside that is coated with fabric width frame glue zone among the utility model embodiment, its space no longer is subjected to sealing the restriction of frame glue scope, can increase the width of first group of drive signal line, thereby reduce the resistance on the drive signal line; Because the delay of drive signal also is directly proportional with the resistance of institute's drive signal line, so the width that increases by first group of drive signal line also can reduce the delay of drive signal.
Second group of drive signal line particular location among the utility model embodiment can adopt but be not limited to following scheme:
The first, as shown in Figure 6, second group of drive signal line 66 is arranged on the outside in the zone 64 that is coated with fabric width frame glue, can reduces by second group of delay on the drive signal line 66 like this, further improve display effect.If second group of drive signal line 66 is positioned at the outside that is coated with fabric width frame glue zone, its space also can not be subjected to sealing the restriction of frame glue scope, can increase the width of second group of drive signal line, with the delay of further reduction drive signal.
The second, as shown in Figure 7, second group of drive signal line 66 is positioned at the inboard in the zone that is coated with fabric width frame glue, the space that can save tft array substrate; Because second group of drive signal line is positioned at the inboard that is coated with fabric width frame glue zone, its space is subjected to sealing the restriction of frame glue scope, the width of second group of drive signal line can be reduced relatively.
The utility model embodiment also provides a kind of liquid crystal panel, comprises that concrete tft array substrate can adopt any tft array substrate among the foregoing description 1 or the embodiment 2 by involutory tft array substrate and the color membrane substrates of envelope frame glue.
The utility model embodiment is mainly used in liquid crystal display, especially adopts the liquid crystal display of GOA technology.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (5)
1. the tft array substrate of an integrated driving comprises the driving circuit that preparation has effective viewing area of pixel and is integrated in described effective viewing area one side, and the periphery of described effective viewing area is reserved with the zone that is coated with fabric width frame glue; It is characterized in that: the outside, zone that is positioned at coating envelope frame glue on the described tft array substrate is provided with first group of drive signal line, and described first group of drive signal line is transferred to described driving circuit with drive signal.
2. the tft array substrate of integrated driving according to claim 1 is characterized in that, described first group of drive signal line and described driving circuit are positioned at the same side of described effective viewing area.
3. the tft array substrate of integrated driving according to claim 1 is characterized in that,
Driving circuit one side that is provided with of described effective viewing area also is provided with second group of drive signal line, and described second group of drive signal line is transferred to described driving circuit with drive signal;
Described first group of drive signal line comprises two parts, wherein a part be positioned at described effective viewing area and with described driving circuit opposed side edges, another part is positioned at described effective viewing area and adjacent with described driving circuit side;
Described first group of drive signal line is transferred to described driving circuit by described second group of drive signal line with drive signal.
4. the tft array substrate of integrated driving according to claim 1 is characterized in that, described driving circuit is the driving circuit of controlling grid scan line.
5. a liquid crystal panel comprises by involutory tft array substrate and the color membrane substrates of envelope frame glue, it is characterized in that described tft array substrate is any described tft array substrate in the claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206529209U CN201886231U (en) | 2010-12-06 | 2010-12-06 | Integrally driven TFT (thin film transistor) array substrate and liquid crystal display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206529209U CN201886231U (en) | 2010-12-06 | 2010-12-06 | Integrally driven TFT (thin film transistor) array substrate and liquid crystal display panel |
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| CN201886231U true CN201886231U (en) | 2011-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698946A (en) * | 2013-12-20 | 2014-04-02 | 合肥京东方光电科技有限公司 | TN (twisted nematic) type liquid crystal display panel, TN type liquid crystal display panel preparation method and liquid crystal display device |
| CN103810981A (en) * | 2014-01-26 | 2014-05-21 | 京东方科技集团股份有限公司 | Array substrate and display panel |
| WO2017036110A1 (en) * | 2015-09-01 | 2017-03-09 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method therefor and display device |
-
2010
- 2010-12-06 CN CN2010206529209U patent/CN201886231U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698946A (en) * | 2013-12-20 | 2014-04-02 | 合肥京东方光电科技有限公司 | TN (twisted nematic) type liquid crystal display panel, TN type liquid crystal display panel preparation method and liquid crystal display device |
| CN103698946B (en) * | 2013-12-20 | 2017-02-08 | 合肥京东方光电科技有限公司 | TN (twisted nematic) type liquid crystal display panel, TN type liquid crystal display panel preparation method and liquid crystal display device |
| CN103810981A (en) * | 2014-01-26 | 2014-05-21 | 京东方科技集团股份有限公司 | Array substrate and display panel |
| CN103810981B (en) * | 2014-01-26 | 2016-01-06 | 京东方科技集团股份有限公司 | Array base palte and display panel |
| US9601084B2 (en) | 2014-01-26 | 2017-03-21 | Boe Technology Group Co., Ltd. | Array substrate and display panel |
| WO2017036110A1 (en) * | 2015-09-01 | 2017-03-09 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method therefor and display device |
| US10002887B2 (en) | 2015-09-01 | 2018-06-19 | Boe Technology Group Co., Ltd. | Array substrate, method for producing the same, and display apparatus |
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Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150708 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150708 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
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| CX01 | Expiry of patent term |