CN101520560A - Display panel and patching method thereof - Google Patents
Display panel and patching method thereof Download PDFInfo
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- CN101520560A CN101520560A CN200910106316A CN200910106316A CN101520560A CN 101520560 A CN101520560 A CN 101520560A CN 200910106316 A CN200910106316 A CN 200910106316A CN 200910106316 A CN200910106316 A CN 200910106316A CN 101520560 A CN101520560 A CN 101520560A
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- patch cord
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- signal wire
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Abstract
The invention provides a display panel and a patching method thereof, which are suitable for the field of display panels. The display panel comprises a plurality of signal wires, at least one first patching wire and at least one second patching wire, wherein the first patching wire and the second patching wire are respectively arranged both relative sides of the signal wires and respectively partly overlapped with the signal wires. The patching method of the display panel comprises the following steps: electrically connecting the rupturing signal wires and the first patching wire; electrically connecting the rupturing signal wires and the second patching wire; and utilizing a flexible conductive component to electrically connect the first patching wire and the second patching wire. The display panel and the patching method thereof can be used for patching the signal wires to prevent the display panel from being directly damaged and lead to the low transmission impedance of signals after the signal wires are patched, thereby ensuring the signal transmission quality and the patching success ratio of the signal wires.
Description
Technical field
The invention belongs to the display panel field, relate in particular to a kind of display panel and method for repairing and mending thereof of guaranteeing to repair the back signal quality.
Background technology
Common display panel, (it has a glass infrabasal plate for Liquid Crystal Display, LCD) panel in for example liquid crystal display.Be formed with a plurality of image element circuits, many signal line (for example sweep trace and data line) on this glass infrabasal plate.Each pixel receives corresponding control signal (for example sweep signal and pixel voltage) by signal lines respectively, so these signal wires and image element circuit can form a viewing area on this glass infrabasal plate.
In addition, this glass infrabasal plate also can be provided with many patch cords (Repair Line), or claims rescue line (Rescue Line).These patch cords partly are formed on the glass infrabasal plate, partially overlap these signal wires in addition, and promptly patch cord and signal wire are that part is staggered up and down mutually, and form binding.When signal wire generation breaking phenomena, can utilize laser to come the place that is overlapping of welding patch cord and signal wire, thereby form electric connection.Therefore, patch cord can be used as alternate route, is sent in the corresponding image element circuit by control signal is changed by patch cord.
Yet, when the part patch cord is to be formed at when transmitting signal on the glass infrabasal plate, because the impedance of patch cord on the glass infrabasal plate is excessive, cause resistance-capacitance late effect (RC delay) easily, and cause signal delay, thereby patch cord can't normally finish mending function, makes panel can't finish reparation, and must scrap, and then increase cost of manufacture.
Summary of the invention
Embodiment of the invention technical matters to be solved is to provide a kind of and transmits impedance by the signal that reduces after repairing, and guarantees the display panel and the method for repairing and mending thereof of the success rate of mending of delivery quality and signal wire.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of display panel, and described display panel comprises:
One substrate;
Many signal line are arranged on the described substrate, and the described signal wire of one of them has trip point;
At least one first patch cord is arranged at a side of described signal wire, and is electrically connected at the signal wire with trip point;
At least one second patch cord is arranged at the relative opposite side of described signal wire, and is electrically connected at the signal wire with trip point; And
One flexible conducting assembly is electrically connected between described first patch cord and described second patch cord.
The embodiment of the invention also provides a kind of method for repairing and mending of display panel, described display panel comprises many signal line, at least one first patch cord and at least one second patch cord, the signal wire of one of them has trip point, described first patch cord and described second patch cord are arranged at the relative both sides of described signal wire respectively, and partially overlap described signal wire respectively, the method for repairing and mending of described display panel may further comprise the steps:
Electric connection has the signal wire and described first patch cord of trip point;
Electric connection has the signal wire and described second patch cord of trip point; And
Utilize the flexible conducting assembly to electrically connect described first patch cord and described second patch cord.
In embodiments of the present invention, display panel of the present invention and method for repairing and mending thereof can utilize the lower flexible conducting assembly of impedance to come the repair signal line, reaching the circuit mending effect, and can guarantee the success rate of mending of signal delivery quality and signal wire.
Description of drawings
Fig. 1 is the schematic top plan view of the display panel that provides of one embodiment of the invention.
Fig. 2 is the schematic top plan view of the display panel that provides of another embodiment of the present invention.
Fig. 3 and Fig. 4 are the synoptic diagram of formation patch cord on substrate of the display panel that provides of one embodiment of the invention.
Fig. 5 is the realization flow figure of the method for repairing and mending of the display panel that provides of one embodiment of the invention.
Fig. 6 is the partial cutaway schematic of the display panel that provides of one embodiment of the invention.
Fig. 7 is the schematic top plan view of the display panel that provides of further embodiment of this invention.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please refer to Fig. 1, be the schematic top plan view of the display panel of one embodiment of the invention.The method for repairing and mending of present embodiment can be used to display panel 100 circuits are repaired, and this display panel 100 can be applicable to as in LCD (LCD), organic light emitting diode display (OLED), Plasmia indicating panel (PDP) or the field emission display display device such as (Field EmissionDisplay).With LCD is example, and when display panel 100 was a display panels, display panel 100 modules backlight capable of being combined (not indicating) formed liquid crystal indicator.
As shown in Figure 1, the display panel 100 of present embodiment comprises: substrate 110, many signal line 120, at least one first patch cord 130, at least one second patch cord 140, flexible conducting assembly 150 and driving circuit assembly 160.Substrate 110 can for example be glass substrate or pliability plastic base, and in the present embodiment, substrate 110 can for example be that (it has active region 101 and peripheral region 102 to thin film transistor (TFT) for Thin Film Transistor, TFT) array base palte.Active region 101 is to be used to be provided with these signal wire 120 and show images, and it is provided with a plurality of pixels (not indicating) and a plurality of driving component (not indicating, as TFT).Peripheral region 102 is formed at least one side of active region 101, is used to be provided with first patch cord 130, second patch cord 140, flexible conducting assembly 150 and driving circuit assembly 160.When display panel 100 for example is display panels, display panel 100 also can comprise liquid crystal layer (not indicating) and colored filter (Color Filter, CF) substrate (not indicating), at this moment, liquid crystal layer is to be formed between tft array substrate (substrate 110) and the CF substrate.
As shown in Figure 1, the material of these signal wires 120 of present embodiment can for example be Al, Ag, Cu, Mn, Mo, Cr, Ta, Ti, Mg, Zr or its alloy, it is abreast on the placement substrate 110, and pass this viewing area 101, be used to transmit signal, for example sweep signal, data-signal or test signal.In the present embodiment, these signal wires 120 are to dispose interlacedly, and have the data line of arranged perpendicular and the sweep trace of horizontal arrangement.Suppose that wherein one of them person of these signal wires 120 (as signal wire 121) has trip point P, be the situation (V-line Open) that the signal wire fracture takes place, and cause this display panel with trip point P 100 to become defective products.
As shown in Figure 1, first patch cord 130 of present embodiment or second patch cord 140 can be continuous conductors or are made of a plurality of conducting line segment, be used to repair these signal wires 120, be used for these signal wires 120 wherein the repairing of display panel 100 takes place to carry out when trip point P or signal can't transmit smoothly in any one.First patch cord 130 is arranged at a side of these signal wires 120, and partially overlaps these signal wires 120, and promptly first patch cord 130 is the staggered of the mutual upper-lower position of part with these signal wires 120, and formation links.Wherein, after display panel 100 was repaired, first patch cord 130 electrically connected the signal wire 121 with trip point P.Second patch cord 140 is arranged at the relative opposite side of these signal wires 120, and partially overlaps these signal wires 120, and promptly second patch cord 140 is the staggered of the mutual upper-lower position of part with these signal wires 120, and formation links.Wherein, after display panel 100 was repaired, second patch cord 140 electrically connected the signal wire 121 with trip point P.In the present embodiment, first patch cord 130 for example is positioned at the signal input part place of these signal wires 120, and second patch cord 140 for example is positioned at the end of these signal wires 120.And first patch cord 130 can be provided with first connection gasket 131, it is positioned at an end of first patch cord 130, second patch cord 140 can be provided with second connection gasket 141, it is positioned at an end of second patch cord 140, the width of first connection gasket 131 and second connection gasket 141 is used to make things convenient for flexible conducting assembly 150 to position and electrically connect greater than the live width of first patch cord 130 and second patch cord 140.
Please refer to Fig. 1 and Fig. 2, Fig. 2 is the schematic top plan view of the display panel of another embodiment of the present invention.The flexible conducting assembly 150 of present embodiment can be has Low ESR and flexual conductive component, for example be soft arranging wire (Flexible Flat Cable, FFC), flexible printer circuit (Flexible Printed Circuits, FPC) or lead, it is used for electrically connecting first patch cord 130 and second patch cord 140 when the situation (promptly this signal line has trip point P) of signal wire fracture takes place display panel 100, with repairing display panel 100, wherein the signal of flexible conducting assembly 150 transmits impedance and is formed at impedance on the substrate 110 less than circuit.When flexible conducting assembly 150 is set, can utilize for example welding, conducting resinl or anisotropy conducting film (Anisotropic Conductive Film, ACF) two ends that engage flexible conducting assembly 150 respectively are in first connection gasket 131 of first patch cord 130 and second connection gasket 141 of second patch cord 140, thereby are electrically connected between first patch cord 130 and second patch cord 140.It should be noted that, when utilizing flexible conducting assembly 150 to come repairing display panel 100, the two ends of flexible conducting assembly 150 can be connected to first patch cord 130 and second patch cord 140, and the other parts of flexible conducting assembly 150 can be positioned over the top (as shown in Figure 1), below, side (as shown in Figure 2) of substrate 110 or bending at random is positioned over other position.In another embodiment, when display panel 100 was applied to liquid crystal indicator, flexible conducting assembly 150 was positioned over the side of module backlight or framework (not indicating) bently.
Please refer to Fig. 1, Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 are the synoptic diagram of formation patch cord on substrate of the display panel of one embodiment of the invention.The driving circuit assembly 160 of present embodiment for example is a driving circuit, chip for driving (as drive IC), flexible printed wiring board (FPC), printed circuit board (PCB) (Printed Circuit Board, PCB), electronic printing circuit board assembly (Printed-Circuit Board Assembly, PCBA), the direct dimensional packaged circuit board of chip (Chip on Board, COF), cover brilliant film (Chip on Film, COF) soft board, coil type encapsulation film (TAB) or above-mentioned combination in any, the direct encapsulation technology of its utilized chip (Chip on Board, COF), cover brilliant film structure packing technique (COF), glass flip chip joining technique (COG) or automatic band carry a solder technology (TAB) and are arranged on the peripheral region 102 of display panel 100.In the present embodiment, driving circuit assembly 160 can have repairing circuit 161, is used to be electrically connected at first patch cord 130, thereby can reduce the impedance of signal transmission path.Yet be not limited thereto, in another embodiment, first patch cord 130 or second patch cord 140 can be continuous conductors (as shown in Figure 3) or are constituted (as shown in Figure 4) by a plurality of conducting line segment, and directly are formed on the substrate 110, with repairing display panel 100.
Please refer to Fig. 1 and Fig. 5, Fig. 5 is the realization flow figure of method for repairing and mending of the display panel of one embodiment of the invention.When the method for repairing and mending that utilizes present embodiment come repairing display panel 100 have the signal wire 121 of trip point P the time, at first, electric connection has the signal wire 121 and first patch cord 130 (step S201) of trip point P, and electrically connects the signal wire 121 and second patch cord 140 (step S202) with trip point P.At this moment, can utilize method for laser welding to come the overlapping of difference welding signal wire 121 and first patch cord 130 and second patch cord 140, thereby at above-mentioned overlapping formation welding point A, B, with the electric connection signal wire 121 and first patch cord 130, and the signal wire 121 and second patch cord 140.
Please refer to Fig. 1 and Fig. 5 and Fig. 6, Fig. 6 is the partial cutaway schematic of the display panel of one embodiment of the invention.Then, utilize flexible conducting assembly 150 to electrically connect first patch cord 130 and second patch cord 140 (step S203).At this moment, the two ends of flexible conducting assembly 150 can be incorporated into first connection gasket 131 of first patch cord 130 and second connection gasket 141 of second patch cord 140 respectively, thereby electrically connect first patch cord 130 and second patch cord 140, and finish the repairing of display panel 100.Therefore, when signal wire 121 has trip point P and can't transmit signal smoothly, the signal that is sent to signal wire 121 can change by first patch cord 130, flexible conducting assembly 150 and second patch cord, 140 formed electrical path and transmits, to reach the effect that signal is repaired.In one embodiment, when flexible conducting assembly 150 being set on display panel 100 time, driving circuit assembly 160 (for example gate drive IC) can set in advance (combination) peripheral region 102 in display panel 100, then, the two ends that connect flexible conducting assembly 150 more respectively are in first connection gasket 131 of first patch cord 130 and second connection gasket 141 of second patch cord 140, at this moment, part flexible conducting assembly 150 can be positioned at driving circuit assembly 160 (for example gate drive IC) last (as shown in Figure 6).
Therefore, the display panel 100 and the method for repairing and mending thereof of present embodiment can be used for repairing circuit, avoid signal wire fracture and can't transmit the situation of signal, and reduce the loss from spoilage of panel.Because it is less that the signal of flexible conducting assembly 150 transmits impedance, thereby can reduce the resistance-capacitance late effect, avoids the situation of distorted signals, to improve success rate of mending.
Please refer to Fig. 7, be the schematic top plan view of the display panel of further embodiment of this invention.In another embodiment, driving circuit assembly 160a can have repairing circuit 161a, it is electrically connected at the first patch cord 130a, at this moment, the end of flexible conducting assembly 150a is connected in repairing circuit 161a, and be not directly connected in the first patch cord 130a, and the other end of flexible conducting assembly 150a is connected in the second patch cord 140a.Therefore, flexible conducting assembly 150a can be electrically connected at the first patch cord 130a via repairing circuit 161a, and then forms the electric connection between the first patch cord 130a and the second patch cord 140a.In this another embodiment, repairing circuit 161a can be provided with connection gasket 162a, positions and electrically connects to make things convenient for flexible conducting assembly 150a.
By the embodiment of the invention described above as can be known, display panel of the present invention and method for repairing and mending thereof can be in order to the repair signal lines, with the situation of avoiding panel directly to be scrapped.And it is low that the signal after repairing transmits impedance, thereby can guarantee the success rate of mending of signal delivery quality and signal wire.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a display panel is characterized in that, described display panel comprises:
One substrate;
Many signal line are arranged on the described substrate, and the described signal wire of one of them has trip point;
At least one first patch cord is arranged at a side of described signal wire, and is electrically connected at the signal wire with trip point;
At least one second patch cord is arranged at the relative opposite side of described signal wire, and is electrically connected at the signal wire with trip point; And
One flexible conducting assembly is electrically connected between described first patch cord and described second patch cord.
2. display panel as claimed in claim 1 is characterized in that, described signal wire is data line or sweep trace.
3. display panel as claimed in claim 1, it is characterized in that, described first patch cord is provided with one first connection gasket, it is positioned at an end of described first patch cord, described second patch cord is provided with one second connection gasket, it is positioned at an end of described second patch cord, and the two ends of described flexible conducting assembly are connected to described first connection gasket and described second connection gasket.
4. display panel as claimed in claim 1 is characterized in that, described display panel also comprises:
At least one driving circuit assembly is arranged at least one side of described signal wire.
5. display panel as claimed in claim 4, it is characterized in that described driving circuit assembly has a repairing circuit, it is electrically connected at described first patch cord, one end of described flexible conducting assembly is connected in described repairing circuit, is used to be electrically connected at described first patch cord.
6. display panel as claimed in claim 4 is characterized in that, described driving circuit assembly is a gate drive circuit, and part flexible conducting assembly is positioned on the described gate drive circuit.
7. the method for repairing and mending of a display panel, it is characterized in that, described display panel comprises many signal line, at least one first patch cord and at least one second patch cord, the signal wire of one of them has trip point, described first patch cord and described second patch cord are arranged at the relative both sides of described signal wire respectively, and partially overlap described signal wire respectively, the method for repairing and mending of described display panel may further comprise the steps:
Electric connection has the signal wire and described first patch cord of trip point;
Electric connection has the signal wire and described second patch cord of trip point; And
Utilize the flexible conducting assembly to electrically connect described first patch cord and described second patch cord.
8. method for repairing and mending as claimed in claim 7, it is characterized in that, described first patch cord is provided with one first connection gasket, it is positioned at an end of described first patch cord, described second patch cord is provided with one second connection gasket, it is positioned at an end of described second patch cord, and the two ends of described flexible conducting assembly are connected to described first connection gasket and described second connection gasket.
9. method for repairing and mending as claimed in claim 7, it is characterized in that, described display panel also comprises at least one driving circuit assembly, it is arranged at least one side of described signal wire, described driving circuit assembly has a repairing circuit, it is electrically connected at described first patch cord, and an end of described flexible conducting assembly is connected in described repairing circuit, is used to be electrically connected at described first patch cord.
10. method for repairing and mending as claimed in claim 7 is characterized in that described display panel also comprises at least one gate drive circuit, and it is arranged at least one side of described signal wire, and part flexible conducting assembly is positioned on the described gate drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106316A CN101520560A (en) | 2009-03-19 | 2009-03-19 | Display panel and patching method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106316A CN101520560A (en) | 2009-03-19 | 2009-03-19 | Display panel and patching method thereof |
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| CN101520560A true CN101520560A (en) | 2009-09-02 |
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| CN200910106316A Pending CN101520560A (en) | 2009-03-19 | 2009-03-19 | Display panel and patching method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745662A (en) * | 2013-09-27 | 2014-04-23 | 友达光电股份有限公司 | Display, repairing method of display and manufacturing method of display |
| CN104183621A (en) * | 2013-05-22 | 2014-12-03 | 三星显示有限公司 | Organic light-emitting display apparatus and method of repairing the same |
| CN107359426A (en) * | 2017-06-29 | 2017-11-17 | 业成科技（成都）有限公司 | Electric connection structure and flexible circuit board |
| CN109637996A (en) * | 2018-12-18 | 2019-04-16 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| CN110389477A (en) * | 2018-04-20 | 2019-10-29 | 深超光电（深圳）有限公司 | Thin film transistor base plate and liquid crystal display panel |
| CN110764289A (en) * | 2019-10-29 | 2020-02-07 | 深圳市华星光电技术有限公司 | Liquid crystal panel repairing method |
| CN111048033A (en) * | 2019-06-04 | 2020-04-21 | 友达光电股份有限公司 | Display device and method for manufacturing the same |
| CN111768702A (en) * | 2019-07-24 | 2020-10-13 | 友达光电股份有限公司 | Flexible electronic device |
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2009
- 2009-03-19 CN CN200910106316A patent/CN101520560A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183621A (en) * | 2013-05-22 | 2014-12-03 | 三星显示有限公司 | Organic light-emitting display apparatus and method of repairing the same |
| USRE49484E1 (en) | 2013-05-22 | 2023-04-04 | Samsung Display Co., Ltd. | Organic light-emitting display apparatus and method of repairing the same |
| CN104183621B (en) * | 2013-05-22 | 2019-07-05 | 三星显示有限公司 | Organic light-emitting display device and the method for repairing organic light-emitting display device |
| CN103745662A (en) * | 2013-09-27 | 2014-04-23 | 友达光电股份有限公司 | Display, repairing method of display and manufacturing method of display |
| CN107359426A (en) * | 2017-06-29 | 2017-11-17 | 业成科技（成都）有限公司 | Electric connection structure and flexible circuit board |
| CN107359426B (en) * | 2017-06-29 | 2021-12-07 | 业成科技（成都）有限公司 | Electric connection structure and flexible circuit board |
| CN110389477A (en) * | 2018-04-20 | 2019-10-29 | 深超光电（深圳）有限公司 | Thin film transistor base plate and liquid crystal display panel |
| CN110389477B (en) * | 2018-04-20 | 2022-06-07 | 深超光电（深圳）有限公司 | Thin film transistor substrate and liquid crystal display panel |
| US11314134B2 (en) | 2018-04-20 | 2022-04-26 | Century Technology (Shenzhen) Corporation Limited | Thin film transistor substrate and liquid crystal display panel |
| CN109637996B (en) * | 2018-12-18 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| CN109637996A (en) * | 2018-12-18 | 2019-04-16 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
| CN111048033A (en) * | 2019-06-04 | 2020-04-21 | 友达光电股份有限公司 | Display device and method for manufacturing the same |
| CN111768702A (en) * | 2019-07-24 | 2020-10-13 | 友达光电股份有限公司 | Flexible electronic device |
| CN110764289A (en) * | 2019-10-29 | 2020-02-07 | 深圳市华星光电技术有限公司 | Liquid crystal panel repairing method |
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Application publication date: 20090902 |