CN105301857B - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
- Publication number
- CN105301857B CN105301857B CN201510750180.XA CN201510750180A CN105301857B CN 105301857 B CN105301857 B CN 105301857B CN 201510750180 A CN201510750180 A CN 201510750180A CN 105301857 B CN105301857 B CN 105301857B
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- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- display panel
- upper strata
- array substrate
- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/13629—Multilayer wirings
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of liquid crystal display panel, including array substrate and color membrane substrates, common lead in array substrate and in common lead for the gold size point between the array substrate and the color membrane substrates to be connected.The liquid crystal display panel further includes：Signal lead, in array substrate and insulate and adjacent to the common lead, the signal lead includes upper strata metal and lower metal, the upper strata metal has disconnection at two close to the both sides of the position of the gold size point, so that the upper strata metal suspension joint between being disconnected at described two, reduces short-circuit risk.
Description
【Technical field】
The present invention relates to a kind of display device, more particularly to a kind of liquid crystal display panel.
【Background technology】
Liquid crystal display device is widely used in display equipment now due to having many advantages, such as low power consuming and Low emissivity.
In liquid crystal display, by gate line crisscross on substrate and each pixel of data line traffic control, to realize the display of image.Mesh
Before, in order to save cost, often by gate driving circuit and data circuit production in same printed circuit board (PCB), then
Using substrate cabling (Wire On Array, abbreviation WOA) by the PCB and the chip on film for being used for transmission gate drive signal
(Chip On Film, abbreviation COF) is connected.At least two are generally included in liquid crystal display and is used for transmission gate drive signal
It is connected between COF, adjacent two COF also by WOA.Each COF respectively with one group of sector lead (fanout) on substrate
It is connected, and passes through fan-shaped lead and be connected to each grid line.
General liquid crystal display panel is required for by gold doping spherolite (Au in sealant) or gold of additionally adding some points in frame glue
Glue (transfer pad) is connected the public electrode of lower substrate (Vcom) line and the entire transparent electrode of upper substrate.However,
It is densely distributed since the trivial cablings of WOA are more, therefore, gold size point is stamped to public electrode wire in lower substrate, by the shadow of dispensing precision
It rings, gold size is easily thrown to above adjacent non-COM signal wires.Once the passivation layer above non-COM signal wires is pressed to wear or is damaged
Wound, will result between unlike signal or the short circuit between some signal and upper plate, finally so that panel can not normally start or
Display.
【Invention content】
It is an object of the present invention to provide a kind of liquid crystal display panels, draw through the signal adjacent with common lead
The suspension joint design of line, reduce gold goal particle or gold size whirl coating precision it is insufficient and may caused by short circuit problem.
It is another object of the present invention to provide a kind of liquid crystal display panels, penetrate adjacent with common lead first
Drive the suspension joint design of line and the second driving line, reduce gold goal particle or gold size whirl coating precision it is insufficient and may caused by short circuit
Problem.
To solve the above problems, the preferred embodiment of the present invention provides a kind of liquid crystal display panel, including array substrate
And color membrane substrates, common lead in array substrate and in common lead for the array substrate and institute to be connected
State the gold size point between color membrane substrates, which is characterized in that the liquid crystal display panel further includes：Signal lead, positioned at array base
On plate and insulate and adjacent to the common lead, the signal lead includes upper strata metal and lower metal, the upper strata gold
Belong to has disconnection at two close to the both sides of the position of the gold size point so that the upper strata metal between being disconnected at described two floats
It connects.
In the liquid crystal display panel of the preferred embodiment of the present invention, insulation is equipped between the upper strata metal and lower metal
Layer.
In the liquid crystal display panel of the preferred embodiment of the present invention, the position disconnected at described two respectively has conductive through hole,
The conductive through hole runs through the insulating layer.In this embodiment, transparency conducting layer covers the conductive through hole, the transparency conducting layer
For the upper strata metal of non-suspension joint and the lower metal to be connected.
In the liquid crystal display panel of the preferred embodiment of the present invention, the signal lead includes providing the of open voltage Vgh
One driving line and the second driving line that powered-down pressure Vgl is provided.In this embodiment, the first driving line and second drive
Moving-wire is WOA cablings.
Similarly, to solve the above problems, another preferred embodiment of the present invention provides a kind of liquid crystal display panel,
Including array substrate and color membrane substrates, common lead in array substrate and in common lead it is described for being connected
Gold size point between array substrate and the color membrane substrates, which is characterized in that the liquid crystal display panel further includes：First driving
Line and the second driving line in array substrate and insulate and drive line and second adjacent to the common lead, every one first
Line is driven to include upper strata metal and lower metal, the upper strata metal has close to the both sides of the position of the gold size point at two
It disconnects so that the upper strata metal suspension joint between being disconnected at described two.
In the liquid crystal display panel of the preferred embodiment of the present invention, the common lead is located at the described first driving line and institute
It states between the second driving line.
In the liquid crystal display panel of the preferred embodiment of the present invention, the second driving line is located at the common lead and institute
It states between the first driving line.
Relative to the prior art, the present invention penetrates the signal lead with upper strata metal and lower metal, and upper strata metal
It, can not be by gold goal particle near gold size point to increase in the design close to the both sides of the position of the gold size point with disconnection at two
Or the region that gold size influences, reduce short-circuit risk.In addition, upper strata metal and lower metal is connected using conductive through hole, protect
It is as small as possible the WOA cabling resistance values such as the first driving line and the second driving line have been demonstrate,proved.This ensures the increase of WOA cabling resistance values as far as possible
Under the premise of few, the distance of gold size point and effective upper strata metal has effectively been elongated.
The above to allow the present invention can be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be made
Detailed description are as follows：
【Description of the drawings】
Fig. 1 is the upper schematic diagram of the liquid crystal display panel of the first preferred embodiment of the present invention；
Fig. 2 is the schematic cross-section diagrammatic cross-section along AA directions of Fig. 1；
Fig. 3 is the upper schematic diagram of the liquid crystal display panel of the second preferred embodiment of the present invention.
【Specific embodiment】
The explanation of following embodiment is with reference to additional schema, to illustrate the particular implementation that the present invention can be used to implementation
Example.The direction term that the present invention is previously mentioned, such as " on ", " under ", "front", "rear", "left", "right", " interior ", " outer ", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be illustrate and understand the present invention rather than to
The limitation present invention.
The similar unit of structure is to be given the same reference numerals in the figure.
With reference to the upper schematic diagram of figure 1 and Fig. 2, Fig. 1 for the liquid crystal display panel of the first preferred embodiment of the present invention, Fig. 2
The schematic cross-section diagrammatic cross-section along AA directions for Fig. 1.As shown in Fig. 2, the liquid crystal display panel 100 of the present embodiment includes
Array substrate 10 and color membrane substrates 20.Array substrate 10 includes a glass substrate 11, the lower metal on glass substrate 11
12nd, upper strata metal 14 and passivation layer (Passivation Layer) 16.It is worth noting that, the upper strata metal 14 and lower floor
Insulating layer 13 is additionally provided between metal 12.Color membrane substrates 20 include glass substrate 21, the light shield layer 22 on glass substrate 21
With indium tin oxide (Indium Tin Oxide, ITO) conductive layer 24.
As shown in Figure 1, the liquid crystal display panel 100 of the present embodiment further includes the common lead 18 in array substrate 10
And it is used to that the gold size point 19 between the array substrate 10 and the color membrane substrates 20 be connected in common lead 18.
As shown in Figure 1, liquid crystal display panel 100 further includes signal lead 30, signal lead 30 is located in array substrate 10
And insulate and adjacent to the common lead 18.In this embodiment, the signal lead 30 includes providing the of open voltage Vgh
One driving line 32 and the second driving line 34 that powered-down pressure Vgl is provided.It is noted that first driving of the present embodiment
Line 32 and the second driving line 34 are substrate cabling (WOA) cabling.
As shown in Fig. 2, the signal lead 30 include upper strata metal 14 and lower metal 12, the upper strata metal 14 by
The both sides of the position of the nearly gold size point 19, which have, disconnects B, C or D, E at two so that disconnected between B, C or D, E at described two
14 suspension joint of upper strata metal.
As shown in Figure 1, when the other positions of gold goal particle or 50 whirl coating of gold size to not common lead 18, it is such as thrown to first
The gold size 50 (1) on line 32 is driven, due to disconnecting 14 suspension joint of upper strata metal between D, E at two, even if 16 quilt of passivation layer
It presses to wear or is damaged, the first driving line 32 (Vgh) will not generate short circuit with indium tin oxide conductive layer 24 (Vcom).Equally
Ground, when gold size 50 (2) is thrown to the second driving line 34, due to disconnecting 14 suspension joint of upper strata metal between B, C at two, even if blunt
Change layer 16 to be pressed to wear or be damaged, the second driving line 34 (Vgl) will not be generated with indium tin oxide conductive layer 24 (Vcom)
Short circuit.When gold size 50 (3) is thrown between the first driving line 32 and the second driving line 34, due to disconnecting between B, C and D, E at two
14 suspension joint of upper strata metal, therefore even if passivation layer 16 is pressed to wear or is damaged, the first driving line 32 (Vgh) will not be with the
Two driving lines 34 (Vgl) generate short circuit.
As shown in Fig. 2, B, C or D are disconnected in order to make signal conduction, at described two, the position of E respectively has conductive through hole 42,
The conductive through hole 42 runs through the insulating layer 14, and the conductive through hole covers 42 transparency conducting layers 44.The transparency conducting layer 44
For the upper strata metal 14 and the lower metal 12 of non-suspension joint to be connected, it ensure that 30 grade WOA cabling resistance values of signal lead are use up
It may be small.
Illustrate the second preferred embodiment of the present invention below, it is that of the invention second is preferred real to please refer to Fig. 2 and Fig. 3, Fig. 3
Apply the upper schematic diagram of the liquid crystal display panel of example.The liquid crystal display panel of the present embodiment includes array substrate 10 and color membrane substrates
20, common lead 18 in array substrate 10 and in common lead 18 for the array substrate 10 and institute to be connected
State the gold size point 19 between color membrane substrates 20.
The liquid crystal display panel of the present embodiment further includes the first driving line 32 and the second driving line 34, the first driving line 32 and
Second driving line 34 is located in array substrate 10 and insulate and adjacent to the common lead 18.Every one first driving line 32 and the
Two driving lines 34 include upper strata metal 14 and lower metal 12, and the upper strata metal 14 is close to the position of the gold size point 19
Both sides, which have, disconnects B, C or D, E at two so that 14 suspension joint of upper strata metal between B, C or D, E is disconnected at described two.With it is above-mentioned
Unlike embodiment, the common lead 18 is located between the described first driving line 32 and the second driving line 34.However,
In other embodiments, the second driving line 34 can be located between the common lead 18 and the first driving line 32,
This is not repeated.
In conclusion the present invention penetrates the signal lead 30 with upper strata metal 14 and lower metal 12, and upper strata metal
14 disconnect the design of B, C or D, E at close to the both sides of the position of the gold size point 19 with two, to increase near gold size point 19
The region that can not be influenced by gold goal particle or gold size 50 reduces the risk of short circuit.In addition, upper strata is connected using conductive through hole 42
Metal 14 and lower metal 12 ensure that the first driving line 32 and the second driving 34 grade WOA cabling resistance values of line are as small as possible.This
Under the premise of ensureing the increase of WOA cabling resistance values as far as possible less, the distance of gold size point and effective upper strata metal has effectively been elongated.
Although the present invention is disclosed above with preferred embodiment, above preferred embodiment Bing is non-to limit the present invention,
Those of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various change and retouch, therefore originally
The range that claim of the protection domain of invention being subject to defines.
Claims (10)
1. a kind of liquid crystal display panel, including array substrate and color membrane substrates, common lead in array substrate and
It is used to that the gold size point between the array substrate and the color membrane substrates be connected in common lead, which is characterized in that described
Liquid crystal display panel further includes：
Signal lead in array substrate and insulate and adjacent to the common lead, the signal lead includes upper strata gold
Belong to and lower metal, the upper strata metal have disconnection at two close to the both sides of the position of the gold size point so that described two
Upper strata metal suspension joint between place's disconnection.
2. liquid crystal display panel according to claim 1, which is characterized in that the upper strata metal and the lower metal it
Between be equipped with insulating layer.
3. liquid crystal display panel according to claim 2, which is characterized in that the position disconnected at described two respectively has conduction
Through-hole, the conductive through hole run through the insulating layer.
4. liquid crystal display panel according to claim 3, which is characterized in that transparency conducting layer covers the conductive through hole.
5. liquid crystal display panel according to claim 4, which is characterized in that the transparency conducting layer is for the non-suspension joint of conducting
Upper strata metal and the lower metal.
6. liquid crystal display panel according to claim 1, which is characterized in that the signal lead includes providing open voltage
First driving line and the second driving line that powered-down pressure is provided.
7. liquid crystal display panel according to claim 6, which is characterized in that the first driving line and second driving
Line is WOA cablings.
8. a kind of liquid crystal display panel, including array substrate and color membrane substrates, common lead and position in array substrate
In being used to that gold size point between the array substrate and the color membrane substrates be connected in common lead, which is characterized in that the liquid
LCD panel further includes：
First driving line and the second driving line in array substrate and insulate and adjacent to the common lead, and every one first
Line and the second driving line is driven to include upper strata metal and lower metal, the upper strata metal is close to the position of the gold size point
Both sides have to be disconnected at two so that the upper strata metal suspension joint between being disconnected at described two.
9. liquid crystal display panel according to claim 8, which is characterized in that the common lead is located at the described first driving
Between line and the second driving line.
10. liquid crystal display panel according to claim 8, which is characterized in that the second driving line is located at described public
Between lead and the first driving line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510750180.XA CN105301857B (en) | 2015-11-06 | 2015-11-06 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510750180.XA CN105301857B (en) | 2015-11-06 | 2015-11-06 | Liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105301857A CN105301857A (en) | 2016-02-03 |
| CN105301857B true CN105301857B (en) | 2018-07-03 |
Family
ID=55199293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510750180.XA Active CN105301857B (en) | 2015-11-06 | 2015-11-06 | Liquid crystal display panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN105301857B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773194B (en) * | 2016-12-30 | 2019-06-11 | 深圳市华星光电技术有限公司 | A kind of circuit substrate and display equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664997A (en) * | 2004-03-04 | 2005-09-07 | 恩益禧电子股份有限公司 | Semiconductor device with multilayer interconnection structure |
| CN101435924A (en) * | 2007-11-13 | 2009-05-20 | 上海广电Nec液晶显示器有限公司 | Liquid crystal display panel and restoring method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3097829B2 (en) * | 1996-07-11 | 2000-10-10 | 日本電気株式会社 | Liquid crystal display panel and its repair method |
| US20120133860A1 (en) * | 2009-08-04 | 2012-05-31 | Sharp Kabushiki Kaisha | Active matrix substrate, liquid crystal display panel, liquid crystal display device, and method for manufacturing active matrix substrate |
| TWI454809B (en) * | 2011-06-24 | 2014-10-01 | Au Optronics Corp | Liquid crystal display panel |
-
2015
- 2015-11-06 CN CN201510750180.XA patent/CN105301857B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664997A (en) * | 2004-03-04 | 2005-09-07 | 恩益禧电子股份有限公司 | Semiconductor device with multilayer interconnection structure |
| CN101435924A (en) * | 2007-11-13 | 2009-05-20 | 上海广电Nec液晶显示器有限公司 | Liquid crystal display panel and restoring method thereof |
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| Publication number | Publication date |
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| CN105301857A (en) | 2016-02-03 |
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