CN102879961B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN102879961B CN102879961B CN201210371103.XA CN201210371103A CN102879961B CN 102879961 B CN102879961 B CN 102879961B CN 201210371103 A CN201210371103 A CN 201210371103A CN 102879961 B CN102879961 B CN 102879961B
- Authority
- CN
- China
- Prior art keywords
- display panel
- common electrode
- liquid crystal
- crystal panel
- electrode signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
The invention relates to the technical field of liquid crystal display, in particular to a display panel and a display device. By the display panel and the display device, the quality of image display of the display panel is improved, and the problem that pictures on an existing display panel are greenish is solved. The display panel comprises a liquid crystal panel and a plurality of flexible printed boards; each flexible printed board is provided with a first common electrode signal wire, the liquid crystal panel comprises a common electrode route and a plurality of second common electrode signal wires, and the first common electrode signal wires of each two adjacent flexible printed boards are communicated with each other via the corresponding second common electrode signal wire; and the first common electrode signal wires in the flexible printed boards are communicated with one another via a conductor positioned on the outside of the liquid crystal panel. Accordingly, transmission resistance of Vcom signals transmitted from the flexible printed boards to the route Vcom can be reduced, the problem that pictures are greenish is solved, and the quality of image display of the display panel is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of display panel and display device.
Background technology
At present, ADS(Advanced Super Dimension Switch, senior super multidimensional switch technology) pattern because having larger pixel capacitance, namely improve the conservation rate of pixel voltage, and be applied in widely in large scale liquid crystal panel.As shown in Figure 1, ADS pattern display panel comprises: liquid crystal panel 100, is fixed on liquid crystal panel 100 periphery and several flexible circuit board 110(COF, the Chip On Film be connected with liquid crystal panel 100); Wherein, liquid crystal panel 100 comprises: the public electrode Vcom cabling 101 being positioned at viewing area, around viewing area arrange many second common electrode signal line 102(also referred to as PLG signal wire, Pattern Line on Glass); There is in each flexible circuit board 110 one section of first common electrode signal line 111; And every bar second common electrode signal line is connected with Vcom cabling 101 and the first common electrode signal line 111 respectively; That is, many second common electrode signal lines 102 are communicated with the first common electrode signal line in adjacent two flexible PCBs respectively.
Vcom signal is generally export from the circuit board be connected with one of them flexible circuit board 110, then the first common electrode signal line 111 in this flexible circuit board 110 is entered, by many second common electrode signal lines 102, Vcom signal is sent to multiple position on Vcom cabling 101, thus completes the transmission of Vcom signal.But along with the size of liquid crystal panel and the increase of pixel capacitance, display panel is under the detection picture (being generally white picture) of regulation, overlapping region is there is between data line (not shown in FIG.) and Vcom cabling 101 in liquid crystal panel, insulation course between them can serve as dielectric, electric capacity effect can be produced during change in voltage therebetween, under specific white detection picture, due to capacitive coupling effect, during data-signal change, Vcom signal can along with fluctuation, if this fluctuation can not recover in time, the pressure reduction between green pixel electrode and Vcom electrode is caused to become large, green pixel is caused to brighten, there is picture general green (Greenish) phenomenon on a display panel, have a strong impact on the display quality of display panel.
Summary of the invention
The invention provides a kind of display panel, occurring the general green phenomenon of picture for alleviating on display panel, improve the image display quality of display panel.
Display panel provided by the invention comprises: liquid crystal panel, is fixed on several flexible circuit board of described liquid crystal panel periphery; Wherein, there is in flexible circuit board described in each one section of first common electrode signal line, described liquid crystal panel comprises the public electrode cabling being positioned at viewing area and the many second common electrode signal lines be connected with described public electrode cabling respectively, and described many second common electrode signal lines are communicated with the first common electrode signal line in adjacent two described flexible PCBs respectively; Between the first common electrode signal line in described several flexible circuit board, be communicated with by the electric conductor be positioned at outside described liquid crystal panel.
Preferably, in above-mentioned display panel, the first common electrode signal line in each flexible circuit board arranges an exposed signaling zone, and is connected with described electric conductor signal.
Preferably, in above-mentioned display panel, described exposed signaling zone is connected with described electric conductor by conducting resinl.
Preferably, in above-mentioned display panel, described in each, between exposed signaling zone and described electric conductor, be provided with a conducting foam.
Preferably, in above-mentioned display panel, described electric conductor is wire coil, U-shaped bonding jumper or L shape bonding jumper.
Preferably, in above-mentioned display panel, also comprise the frame being positioned at described liquid crystal panel surrounding, described electric conductor one side is fixed on described frame, and another side is connected with exposed signaling zone signal described in each.
The present invention additionally provides a kind of display device simultaneously, comprises the display panel with above-mentioned technical characteristic.
From technique scheme, Vcom signal after exporting from circuit board, first enter in a flexible circuit board, then the second common electrode signal line that Vcom signal is serially connected by many on the one hand transmits, another fermentation is transmitted by electric conductor, therefore, compared with prior art, reduce Vcom signal from flexible circuit board to liquid crystal panel in transmission resistance between Vcom cabling, can quick-recovery soon when making to produce fluctuation when the reversion of Vcom signal factor data signal polarity, thus alleviate the general green phenomenon of the picture occurred on a display panel, improve the image display quality of display panel.
Accompanying drawing explanation
Fig. 1 is the structural representation of display panel in prior art;
Fig. 2 is the structural representation of display panel in the embodiment of the present invention;
Fig. 3 is the structural representation of the exposed signaling zone in the embodiment of the present invention in flexible circuit board;
Fig. 4 is the structural representation in the embodiment of the present invention, flexible circuit board being posted conducting foam;
Fig. 5 is the structural representation of frame in the embodiment of the present invention.
Embodiment
Existing display panel, because there is overlapping region between data line and Vcom cabling in liquid crystal panel, insulation course between them can serve as dielectric, coupling capacitance can be produced during change in voltage therebetween, during data-signal change, Vcom signal can along with fluctuation, if this fluctuation can not recover in time, the pressure reduction between green pixel electrode and Vcom electrode is caused to become large, green pixel is caused obviously to brighten, there is the general green phenomenon of picture on a display panel, wherein ADS pattern display panel is particularly evident, has a strong impact on the display quality of display panel.
In view of this, the invention provides a kind of technical scheme of improvement, by reduce Vcom signal from flexible circuit board to liquid crystal panel in Vcom cabling between transmission resistance, Vcom signal is occurred after fluctuation can quick-recovery soon, thus alleviate the general green phenomenon of the picture that display panel occurs, improve the image display quality of display panel.
In order to make those skilled in the art better understand technical scheme of the present invention, below in conjunction with Figure of description, the embodiment of the present invention is described in detail.
As shown in Figure 2, embodiments provide a kind of display panel, comprising: liquid crystal panel 200, be fixed on several flexible circuit board 210 of liquid crystal panel 200 periphery; Wherein, there is in each flexible circuit board 210 one section of first common electrode signal line 211, liquid crystal panel 200 comprises the public electrode Vcom cabling 201 being positioned at viewing area and the many second common electrode signal lines 202 be connected with Vcom cabling 201 respectively, and many second common electrode signal lines 202 are communicated with the first common electrode signal line 211 in adjacent two flexible PCBs 210 respectively; Between the first common electrode signal line 211 in several flexible circuit board 210, be communicated with by the electric conductor 220 be positioned at outside liquid crystal panel 200.Specific as follows:
Liquid crystal panel 200 comprise the Vcom cabling 201 that is positioned at viewing area and many second common electrode signal line 202(arranging around viewing area also referred to as PLG signal wire, Pattern Line on Glass); Many second common electrode signal line 202 is connected with Vcom cabling 201 signal respectively.
Several flexible circuit board 210 is fixed on the periphery of liquid crystal panel 200 and is connected with liquid crystal panel 200, wherein one or more flexible circuit board 210 are also connected with circuit board, as for circuit board, flexible circuit board 210 and liquid crystal panel 200 between them be how be connected, because of the technological means adopting this area conventional, just do not describe here.There is in each flexible circuit board 210 one section of first common electrode signal line 211, first common electrode signal line 211 two ends connect a second common electrode signal line 202 respectively, in other words, many second common electrode signal lines 202 are communicated with the first common electrode signal line 211 in adjacent two flexible PCBs 210 respectively.
Electric conductor 220 is wire coil, is positioned at outside liquid crystal panel 200, and in other words, electric conductor 220 is looped around liquid crystal panel 200 surrounding, and with the first common electrode signal line 211 conducting in each flexible circuit board 210.
From technique scheme, after Vcom signal exports from circuit board, first enter in a flexible circuit board 210, then Vcom signal is transmitted by several second common electrode signal lines 202 be serially connected on the one hand, another fermentation is transmitted by electric conductor 220, therefore, compared with prior art, reduce Vcom signal from flexible circuit board 210 to Vcom cabling 201 transmission resistance, can quick-recovery soon when making to produce fluctuation when the reversion of Vcom signal factor data signal polarity, thus alleviate the general green phenomenon of the picture occurred on a display panel, improve the image display quality of display panel.
Preferably, as shown in Figure 3, the first common electrode signal line 211 in each flexible circuit board 210 is arranged an exposed signaling zone 212, electric conductor 220 is connected with by conducting resinl and each exposed signaling zone 212 signal.
Further, in order to ensure electric conductor 220 and each exposed signaling zone 212 compact siro spinning technology, as shown in Figure 4, between each exposed signaling zone 212 and electric conductor, 220 are provided with a conducting foam 213, electric conductor 220 is connected by conducting foam 213 and conducting resinl with exposed signaling zone 212, can avoid like this occurring loose contact phenomenon in vibrations process.
Electric conductor 220 is wire coil in the above-described embodiments, around the surrounding of liquid crystal panel 200, but is not limited thereto, and electric conductor 220 can also be U-shaped bonding jumper, L shape bonding jumper or I shape bonding jumper; Wherein, when electric conductor 220 is U-shaped bonding jumper, three bread enclose three edges of liquid crystal panel 200; When electric conductor 220 is L shape bonding jumper, two sides surrounds two adjacent edges of liquid crystal panel 200; When electric conductor 220 is I shape bonding jumper, near one of them edge of liquid crystal panel 200.
Preferably, in above-mentioned display panel, also comprise the frame being positioned at liquid crystal panel 200 surrounding, as shown in Figure 5, electric conductor 220 one side is fixed on frame 230, and another side is connected with each exposed signaling zone 212 signal, in other words, frame 230 is arranged on liquid crystal panel 200, and electric conductor 220 between frame 230 and liquid crystal panel 200, and is connected with exposed signaling zone 212 signal in flexible circuit board 210; Can effectively protect electric conductor 220 like this, avoid electric conductor 220 to come off from flexible circuit board 210.
The present invention also provides a kind of display device simultaneously, comprises the display panel with above-mentioned technical characteristic.Described display device can be: any product or parts with Presentation Function such as LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
In sum, Vcom signal after exporting from circuit board, first enter in a flexible circuit board, then Vcom signal is on the one hand by the transmission of several the second common electrode signal lines, another fermentation is transmitted by electric conductor, therefore, compared with prior art, reduce Vcom signal from flexible circuit board to liquid crystal panel in Vcom cabling between transmission resistance, can quick-recovery soon when making to produce fluctuation when the reversion of Vcom signal factor data signal polarity, thus alleviate the general green phenomenon of the picture occurred on a display panel, improve the image display quality of display panel.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a display panel, comprising: liquid crystal panel, is fixed on several flexible circuit board of described liquid crystal panel periphery; Wherein, there is in flexible circuit board described in each one section of first common electrode signal line, described liquid crystal panel comprises the public electrode cabling being positioned at viewing area and the many second common electrode signal lines be connected with described public electrode cabling respectively, and described many second common electrode signal lines are communicated with the first common electrode signal line in adjacent two described flexible PCBs respectively; It is characterized in that, between the first common electrode signal line in described several flexible circuit board, be communicated with by the electric conductor be positioned at outside described liquid crystal panel.
2. display panel as claimed in claim 1, is characterized in that, the first common electrode signal line in flexible circuit board described in each arranges an exposed signaling zone, and is connected with described electric conductor signal.
3. display panel as claimed in claim 2, it is characterized in that, described exposed signaling zone is connected with described electric conductor signal by conducting resinl.
4. display panel as claimed in claim 3, is characterized in that, correspondingly between exposed signaling zone with described electric conductor described in each arranges a conducting foam.
5. the display panel as described in as arbitrary in claim 1-4, it is characterized in that, described electric conductor is wire coil, U-shaped bonding jumper or L shape bonding jumper.
6. display panel as claimed in claim 2, is characterized in that, also comprise the frame being positioned at described liquid crystal panel surrounding, and described electric conductor one side is fixed on described frame, and another side is connected with exposed signaling zone signal described in each.
7. a display device, is characterized in that, comprising: the display panel as described in as arbitrary in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210371103.XA CN102879961B (en) | 2012-09-28 | 2012-09-28 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210371103.XA CN102879961B (en) | 2012-09-28 | 2012-09-28 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102879961A CN102879961A (en) | 2013-01-16 |
| CN102879961B true CN102879961B (en) | 2015-01-07 |
Family
ID=47481344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210371103.XA Active CN102879961B (en) | 2012-09-28 | 2012-09-28 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102879961B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332475B (en) * | 2014-09-02 | 2018-09-21 | 合肥鑫晟光电科技有限公司 | Array substrate and preparation method thereof, display device |
| CN112652272B (en) * | 2019-10-11 | 2022-04-26 | 合肥京东方卓印科技有限公司 | Array substrate, manufacturing method thereof and display device |
| CN114189978B (en) * | 2021-11-18 | 2023-11-28 | Tcl华星光电技术有限公司 | display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3006586B2 (en) * | 1998-06-01 | 2000-02-07 | 日本電気株式会社 | Active matrix type liquid crystal display |
| KR100998640B1 (en) * | 2003-12-23 | 2010-12-06 | 엘지디스플레이 주식회사 | Liquid crystal display device and manufacturing method of the same |
| KR101147090B1 (en) * | 2005-06-29 | 2012-05-17 | 엘지디스플레이 주식회사 | Liquid Crystal Display Device |
| CN101833210A (en) * | 2010-05-13 | 2010-09-15 | 友达光电股份有限公司 | Liquid crystal display panel |
| TWI406075B (en) * | 2010-07-29 | 2013-08-21 | Au Optronics Corp | Liquid cyrstal display panel, pixel array substrate and pixel structure thereof |
| CN202815384U (en) * | 2012-09-28 | 2013-03-20 | 京东方科技集团股份有限公司 | Display panel and display device |
-
2012
- 2012-09-28 CN CN201210371103.XA patent/CN102879961B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102879961A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9500895B2 (en) | LCD touch screen and applications integrating single layer capacitive sensor | |
| CN104698711B (en) | Array substrate, display panel and electronic equipment | |
| CN102749770B (en) | TP (Touch Panel) On/In Cell thin film transistor display integrated with NFC (Near Field Communication) antenna | |
| CN102054449A (en) | Liquid crystal display device | |
| CN105094479A (en) | Touch display panel, preparation method, driving method and display device | |
| CN109387965A (en) | Image element array substrates | |
| CN109212852A (en) | Display panel and display device | |
| CN104900658A (en) | Touch control panel, producing method thereof, and touch control display device | |
| CN104464603A (en) | Display panel and display device | |
| CN102253776B (en) | Electrode bridging connection structure for inhibiting picture interference of capacitance type touch screen | |
| US9632610B2 (en) | 3D touch display device, its manufacturing method and driving method | |
| EP2741275A1 (en) | Array substrate, 3D display device and driving method for the same | |
| CN203259745U (en) | Splicing screen | |
| CN103488009A (en) | Array substrate, control method and liquid crystal display device | |
| CN106847097B (en) | A kind of flexible display substrates and display device | |
| CN102879961B (en) | Display panel and display device | |
| CN101673004A (en) | Touch-control display panel and display device | |
| CN205302236U (en) | Touch display panel and touch display device | |
| CN103676370A (en) | Thin film transistor (TFT) array substrate and liquid crystal panel thereof | |
| US10455700B2 (en) | Electronic device and display unit | |
| CN104464670A (en) | Liquid crystal display panel and driving structure and method thereof | |
| CN100403396C (en) | Driving circuit and multi-display apparatus and electronic device using the same | |
| CN101852956A (en) | Pixel driving circuit structure with repair line | |
| CN202815384U (en) | Display panel and display device | |
| CN104503121A (en) | Touch liquid crystal display panel and touch liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |