CN101847628B - Display device - Google Patents
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- CN101847628B CN101847628B CN 200910048490 CN200910048490A CN101847628B CN 101847628 B CN101847628 B CN 101847628B CN 200910048490 CN200910048490 CN 200910048490 CN 200910048490 A CN200910048490 A CN 200910048490A CN 101847628 B CN101847628 B CN 101847628B
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
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- VVTQWTOTJWCYQT-UHFFFAOYSA-N alumane;neodymium Chemical compound [AlH3].[Nd] VVTQWTOTJWCYQT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention provides a display device including: the display device comprises an effective display part consisting of display pixels, a signal wire electrically connected with the effective display part and an inspection device, wherein the inspection device comprises short-circuit bars which are arranged at intervals, the short-circuit bars are respectively and electrically connected with different signal wires, one end of each short-circuit bar is provided with a test pad, and the inspection device also comprises a peak bulge which is respectively and electrically connected with the short-circuit bars, so that the problem that a via hole area of a connection position of the short-circuit bars and the signal wire caused by static electricity is easy to burn is solved.
Description
Technical field
The present invention relates to field of display devices, particularly a kind of display unit with testing fixture.
Background technology
Therefore the plurality of advantages such as it is frivolous, energy-conservation, radiationless that display unit possesses have replaced traditional cathode ray tube (CRT) display gradually.Display unit is widely used in the electronic equipments such as HD digital TV, desktop computer, personal digital assistant (PDA), notebook computer, mobile phone, digital camera at present.
Display unit has effective display part that rectangular display pixel consists of.Many the data wires that this effective display part has the multi-strip scanning line that extends along the line direction of display pixel and extends along the column direction of display pixel.The place that intersects at scan line and data wire arranges switch element, for example thin-film transistor (TFT), and the pixel electrode that is connected with switch element etc.Each scan line and data wire are drawn out to the periphery of effective display part, for example scan line and the data wire of drawing are electrically connected to drive circuit.These scan lines, data wire and other circuit connecting wire are referred to as holding wire.
Due to the increase along with display pixel, live width at various holding wires such as the scan line of effectively display part and periphery thereof and data wires is more and more thinner, and the interval is more and more less, therefore the bad situation of the various wirings such as broken string, short circuit also gets more and more, therefore in order in time to find the situation that wiring is bad, prevent that extensive bad generation and defective products from flowing into subsequent processing and causing waste, need scan line, data wire and other holding wire are checked after wiring, thereby judge whether to exist the bad situation that connects up.
A kind of structural representation that the display unit of testing fixture is set as shown in Figure 1, effectively display part 11 is connected with the peripheral drive circuit (not shown) by holding wire 1005, and described holding wire 1005 is connected with testing fixture 20.Described testing fixture 20 is made of 4 short bars (shorting bar) 1001,1002,1003,1004, each short bar 1001,1002,1003,1004 is connected with holding wire 1005-1,1005-2,1005-3 respectively, and described holding wire can be scan line, data wire or other holding wire.Each short bar 1001,1002,1003,1004 and the link position of holding wire 1005-1,1005-2,1005-3 be via area.Described via area has contact hole 1000 and connecting conductive layer 1006, part connecting conductive layer 1006 is filled in and is used in contact hole 1000 short bar and holding wire are electrically connected, and connecting conductive layer 1006 is generally tin indium oxide (ITO) or indium zinc oxide (IZO) layer.An end at short bar is connected with test pads (visual test pad) 1007, adds voltage signal by giving test pads 1007, just can carry out testing electrical property.Fig. 2 is effective display part of display unit shown in Figure 1 and the enlarged drawing of testing fixture link position, shown in dotted line frame 10a is wherein the via area of the link position of short bar and holding wire.
Due in manufacture process, easily produce static, thereby easily because static causes being burnt of via area.Fig. 3 is that in display unit shown in Figure 2, via area is burnt the enlarged drawing at position, and wherein dotted line frame 10b is depicted as and is burnt the position.Especially because electrostatic charge easily is gathered in via area, thereby therefore easily produce larger static in via area, contact hole is burnt.Usually, because the body structure surface of whole Fig. 1 is covered (not marking in figure) by one deck or two-layer transparent insulating barrier, be generally silicon nitride or silica.If in process for making, for example the alignment films of box operation processed is coated with and the alignment film rubbing operation, because static is excessive, the connecting conductive layer 1006 of via area can be burnt, cause contact hole to be burnt, thereby testing electrical property can not carry out, and bad phenomenon will occur.
Summary of the invention
The purpose of this invention is to provide a kind of display unit, thus the problem that the via area that solution causes due to static is easily burnt.
A kind of display unit provided by the invention comprises: by effective display part that display pixel consists of, the holding wire and the testing fixture that are electrically connected to effective display part, described testing fixture comprise the short bar of interval discharging; Described each short bar is electrically connected to from different holding wire by via area respectively, and an end of described short bar has test pads, and described testing fixture comprises that also the spike that is electrically connected to short bar is protruding.
Preferably, described spike projection is positioned at an end that does not have test pads of described short bar.
Preferably, an end that does not have test pads of same described short bar has a described spike projection.
Preferably, the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, described spike projection is positioned on the test pads of described short bar.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, has described spike projection on the test pads of described short bar.
Preferably, the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, described spike projection is positioned at by described via area.
Preferably, have respectively described spike projection on the side of the close adjacent both sides short bar of described short bar, and the spike projection on adjacent short bar is relatively most advanced and sophisticated.
Preferably, the tip of described spike projection is horn shape or taper.
Preferably, described short bar and described spike projection are positioned at same layer.
Preferably, the material of described spike projection is one or more in aluminium, aluminium neodymium alloy, molybdenum, molybdenum neodymium alloy.
Preferably, the material of described spike projection is tin indium oxide.
Preferably, described holding wire is provided with described spike projection on the side near adjacent both sides holding wire, and the described spike projection on adjacent described holding wire all arranges relatively.
Preferably, the opposite side of described spike projection is provided with an attached cusp field in addition, and described attached cusp field is positioned at outside described effective display part, and has that one or more is most advanced and sophisticated corresponding with described spike projection.
Preferably, described attached cusp field is arranged on public electrode.
Preferably, described holding wire and described spike projection are positioned at same layer.
Preferably, the other spike projection of the described via area extension that is the holding wire that is connected with short bar outside this short bar.
Preferably, also have a spike projection that is positioned at same layer with described short bar described via area is other, be positioned at the spike projection of same layer and be positioned at spike projection most advanced and sophisticated relative of same layer with short bar with holding wire.
Preferably, the tip of described spike projection is horn shape or taper.
Display unit of the present invention has testing fixture, and described testing fixture comprises the short bar of interval discharging; Described each short bar is electrically connected to from different holding wire by via area respectively, and an end of described short bar has test pads, and described testing fixture also comprises: the spike that is electrically connected to short bar is protruding.。In manufacture process, in case static is excessive, the electric charge of via area accumulation will be mobile toward the spike projection immediately, in the discharge that tapers off to a point of spike raised tip, greatly reduce static to the damage of via hole, make testing electrical property normally carry out, therefore compared to the prior art the present invention has reduced because static causes the possibility that via area is easily burnt.
Description of drawings
By the more specifically explanation of the preferred embodiments of the present invention shown in accompanying drawing, above-mentioned and other purpose of the present invention, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Deliberately do not draw accompanying drawing by actual size equal proportion convergent-divergent, focus on illustrating purport of the present invention.
Fig. 1 is a kind of existing structural representation that the display unit of testing fixture is set;
Fig. 2 is effective display part of display unit shown in Figure 1 and the enlarged drawing of testing fixture link position;
Fig. 3 is that in display unit shown in Figure 2, via area is burnt the enlarged drawing at position;
Fig. 4 is the structural representation of display unit embodiment one of the present invention;
Fig. 5 is the structural representation of checkout gear and holding wire in display unit embodiment two of the present invention;
Fig. 6 is the structural representation of checkout gear and holding wire in display unit embodiment three of the present invention;
Fig. 7 is the structural representation of checkout gear and holding wire in display unit embodiment four of the present invention;
Fig. 8 is the structural representation of checkout gear and holding wire in display unit embodiment five of the present invention;
Fig. 9 is the structural representation of checkout gear and holding wire in display unit embodiment six of the present invention;
Figure 10 is the structural representation of checkout gear and holding wire in display unit embodiment seven of the present invention;
Figure 11 is the structural representation of checkout gear and holding wire in display unit embodiment eight of the present invention;
Figure 12 is the structural representation of checkout gear and holding wire in display unit embodiment nine of the present invention;
Figure 13 is the structural representation of checkout gear and holding wire in display unit embodiment ten of the present invention;
Figure 14 is the structural representation of checkout gear and holding wire in display unit embodiment 11 of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can be in the situation that do similar popularization without prejudice to intension of the present invention, so the present invention is not subjected to the restriction of following public specific embodiment.
Secondly, the present invention utilizes schematic diagram to be described in detail, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the profile of expression device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
A kind of display unit provided by the invention comprises: by effective display part that display pixel consists of, the holding wire and the testing fixture that are electrically connected to effective display part, described testing fixture comprise the short bar of interval discharging; Described each short bar is electrically connected to from different holding wire by via area respectively, and an end of described short bar has test pads, and described testing fixture comprises that also the spike that is electrically connected to short bar is protruding.
Preferably, described spike projection is positioned at an end that does not have test pads of described short bar.
Preferably, an end that does not have test pads of same described short bar has a described spike projection.
Preferably, the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, described spike projection is positioned on the test pads of described short bar.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, has described spike projection on the test pads of described short bar.
Preferably, the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, the spike projection on the test pads of the described short bar of connection unlike signal line is relatively most advanced and sophisticated.
Preferably, described spike projection is positioned at by described via area.
Preferably, have respectively described spike projection on the side of the close adjacent both sides short bar of described short bar, and the spike projection on adjacent short bar is relatively most advanced and sophisticated.
Preferably, the tip of described spike projection is horn shape or taper.
Preferably, described short bar and described spike projection are positioned at same layer.
Preferably, the material of described spike projection is one or more in aluminium, aluminium neodymium alloy, tin indium oxide, molybdenum, molybdenum neodymium alloy.
Preferably, the material of described spike projection is tin indium oxide.
Preferably, described holding wire is provided with described spike projection on the side near adjacent both sides holding wire, and the described spike projection on adjacent described holding wire all arranges relatively.
Preferably, the opposite side of described spike projection is provided with an attached cusp field in addition, and described attached cusp field is positioned at outside described effective display part, and has that one or more is most advanced and sophisticated corresponding with described spike projection.
Preferably, described attached cusp field is arranged on public electrode.
Preferably, described holding wire and described spike projection are positioned at same layer.
Preferably, the other spike projection of the described via area extension that is the holding wire that is connected with short bar outside this short bar.
Preferably, also have a spike projection that is positioned at same layer with described short bar described via area is other, be positioned at the spike projection of same layer and be positioned at spike projection most advanced and sophisticated relative of same layer with short bar with holding wire.
Preferably, the tip of described spike projection is horn shape or taper.
In case static is excessive in manufacture process, on short bar and the connecting portion of short bar and holding wire, for example the electric charge of via area place's accumulation will be mobile toward the spike projection immediately, in the discharge that tapers off to a point of spike raised tip, greatly reduce static to the damage of via hole, therefore make testing electrical property normally carry out, compared to the prior art the present invention has reduced the possibility that the via area that causes due to static is burnt.
Embodiment one
Fig. 4 is the structural representation of display unit embodiment one of the present invention.Below in conjunction with Fig. 4, display unit of the present invention is described.
In the present embodiment, display unit comprises: effective display part 10 that display pixel consists of; The holding wire 1005 and the testing fixture 20 that are electrically connected to effective display part 10, wherein holding wire 1005 can for connecting lines such as data wire, scan line, gate lines, particularly, be introduced as an example of data wire example in the present embodiment.
As shown in Figure 4, described testing fixture 20 comprises the short bar of interval discharging, for example Fig. 4 shows 4 short bars and is respectively short bar 101-104, short bar 101-103 is electrically connected to by via area with data wire 1005-1,1005-2,1005-3 respectively, and short bar 104 and gate line or scan line (not marking in figure) are electrically connected to by via area.Wherein, via area has contact hole 106 and connecting conductive layer 107, and part connecting conductive layer 107 is filled in and is used in contact hole 106 short bar and holding wire are electrically connected.Have test pads 109 for testing electrical property at the end of short bar 101-104, in the present embodiment, test pads 109 can be the box-shaped shape.The width of wherein said test pads 109 is greater than the width of described short bar 104, so that testing electrical property.Certainly, the shape of described test pads can be other shapes that can be equal to arbitrarily such as circular, trapezoidal, pentagon, hexagon.
In some other embodiment of the present invention, also can have switch element on described holding wire in case testing fixture detect complete after with holding wire and short bar disconnection.But preferably, do not have switch element in present embodiment on holding wire.This be mainly because, if make described switch element on described holding wire, in process for making, may cause electric charge gathering in a large number in described switch element district or described via area, thereby make described switch element or described via area burn, cause described holding wire can not be electrically connected to described short bar, finally affect testing electrical property.
Described testing fixture 20 also comprises the spike projection 108 that is electrically connected to short bar 101-104.
Preferably, spike projection 108 is positioned at the end that does not have test pads 109 of short bar 101-104.
Preferably, described short bar 101-104 of the present invention can be arranged in same layer, also can be arranged in different layers.Particularly, when described short bar was positioned at same layer, described short bar can together be made with scan line or data wire, and with described scan line or data line bit in same layer; When described short bar was positioned at different layers, wherein the partial short circuit rod can together be made with data wire, and with described data line bit in same layer, the remainder short bar can together be made with scan line, and is arranged in same layer with scan line.But when described short bar was positioned at different layers, technique was more complicated when forming the via area of described short bar and described holding wire, and therefore best, described short bar is in same layer in the present embodiment.
Preferably, spike projection 108 and short bar 101-104 are positioned at same layer.Concrete, spike projection 108 is the extension of short bar 101-104, namely the end of short bar 101-104 is designed to the spike projection 108 of horn shape or taper.Certainly, in other embodiment, spike projection 108 also can be positioned at different layers with short bar.
Preferably, a tip is all only arranged is horn shape or taper spike projection to described each short bar 101-104.This is because the spike projection that all only has a spike projection to have a plurality of horn shapes or taper compared to the tip of same short bar at each short bar 101-104 can reduce the processing procedure precision; And short bar do not need to do too wide, be particularly suitable for the high density typesetting in present panel designs; And can improve the utilance of glass; Simultaneously be arranged so that like this pattern precision to exposure mask plate is less demanding in manufacturing process.
Preferably, the most advanced and sophisticated position of spike projection does not have insulating barrier, or the insulating barrier of tip portion is etched away in manufacture process, can further improve like this efficient of discharge yet, reduces the risk that via area is burnt.
As shown in Figure 4, spike projection 108 is directly exposed in air, in case therefore in manufacture process, static is excessive, on short bar 101-104 and the electric charge of contact hole 106 places accumulation will be immediately move toward spike projection 108 positions, at its tip directly to atmospherical discharges, greatly reduce static to via area, the especially damage of contact hole 106 makes testing electrical property normally carry out.
In addition, in the present invention, can also be provided with in addition at the opposite side of described spike projection 108 an attached cusp field (not shown), described attached cusp field is positioned at outside described effective display part, and it is corresponding to have one or more most advanced and sophisticated and described spike projection 108, be beneficial to the tip to point discharge, the enhanced discharge effect.Described attached cusp field is not electrically connected to short bar, and preferably, described attached cusp field can be arranged on (not shown) on public electrode.
Embodiment two
Fig. 5 is the structural representation of checkout gear and holding wire in display unit embodiment two of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 5 describes display unit of the present invention.
The same section of the second embodiment and the first embodiment repeats no more, in the present embodiment:
As shown in Figure 5, an end that does not have test pads 209 at short bar 201-204 does not have the spike projection, and has spike projection 100 on test pads 209.
Preferably, spike projection 100 and test pads 209 are positioned at same layer.Concrete, spike projection 100 is the extension of test pads 209, namely an end of test pads 209 is designed to the spike projection 100 of horn shape or taper.Certainly, in other embodiment, spike projection 100 also can be positioned at different layers with test pads 209.
Embodiment three
Fig. 6 is the structural representation of checkout gear and holding wire in display unit embodiment three of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 6 describes display unit of the present invention.
The same section of the 3rd embodiment and the first embodiment repeats no more, in the present embodiment:
As shown in Figure 6, an end that does not only have a test pads 309 at short bar 301-304 has the spike projection, also has in addition spike projection 300 on test pads 309.Because all there is the spike projection at short bar two ends, electrostatic charge can move to two spike protruding ends fast, greatly reduces the risk that via area is burnt.
Preferably, an end that does not have test pads of same described short bar has a described spike projection.
Preferably, spike projection 300 and test pads 309 are positioned at same layer, and be concrete, and spike projection 300 is the extension of test pads 309, and namely the end with test pads 309 is designed to the spike projection 300 that the tip is horn shape or taper.Certainly, in other embodiment, spike projection 300 also can be positioned at different layers with test pads 309.
Embodiment four
Fig. 7 is the structural representation of checkout gear and holding wire in display unit embodiment four of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 7 describes display unit of the present invention.
The same section of the 4th embodiment and the first embodiment repeats no more, in the present embodiment:
As shown in Figure 7, the short bar 401-404 end that do not have a test pads 409 has spike projection 408.And the tip that is positioned at the spike projection 408 on the short bar that connects the unlike signal line is oppositely arranged.Wherein, described spike projection can be arranged in same layer and also can be arranged in different layers.When described spike projection is positioned at different layers, except being oppositely arranged, also can allow part overlapping between described spike projection.
Preferably, an end that does not have test pads of same described short bar has a described spike projection.
Certainly, in other embodiment, two or three structures relative with the tip that taper off to a point in also can spike projection 408, for example the tip of spike projection 408-1,408-3 is oppositely arranged, and the tip of spike projection 408-1,408-2,408-3 is oppositely arranged.
Concrete, can there is no insulating barrier on spike projection 408 surfaces, thereby improved the efficient of discharge, reduced the damage of static to via area.
As shown in Figure 7, because the tip of spike projection 408 is oppositely arranged, even therefore in manufacture process, static is excessive, on short bar 401-404 and the electric charge of via area place accumulation all can be immediately move toward spike projection 408 positions, therefore make most advanced and sophisticated to point discharge, greatly reduce static to the damage of via area, make testing electrical property normally carry out.
Embodiment five
Fig. 8 is the structural representation of checkout gear and holding wire in display unit embodiment five of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 8 describes display unit of the present invention.
The same section of the 5th embodiment and the 4th embodiment repeats no more, in the present embodiment:
The test pads 509 that has testing electrical property at the end of short bar 501-504, and have spike projection 500 on test pads 509.
Preferably, an end that does not have test pads of same described short bar has a described spike projection.
Due to short bar do not have test pads one end, and the spike projection is set all on test pads, so electrostatic charge can move to two ends spike protruding end fast, greatly reduce the risk that via area is burnt.
Embodiment six
Fig. 9 is the structural representation of checkout gear and holding wire in display unit embodiment six of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 9 describes display unit of the present invention.
The same section of the 6th embodiment and the 5th embodiment repeats no more, in the present embodiment:
The test pads 609 that has testing electrical property at the end of short bar 601-604, and have spike projection 600 on test pads 609, the concrete end with test pads 609 is designed to the spike projection 600 that the tip is horn shape or taper.And the tip that connects described each spike projection 600 on the short bar of unlike signal line also is oppositely arranged, spike projection 609-1 for example, and 609-2,609-3,609-4 is oppositely arranged, and also can be wherein two or 3 spike projections be oppositely arranged.
Certainly, in other embodiment, can only the spike raised tip on test pads be oppositely arranged, and test pads 409 1 ends that do not have of short bar do not arrange most advanced and sophisticated relative spike projection, and the spike projection perhaps is not set yet.
Because all there is the spike projection at the short bar two ends in the present embodiment, electrostatic charge can move to two spike protruding ends fast, and the spike projection at two ends all is set to most advanced and sophisticated relative structure, thereby pass through most advanced and sophisticated to point discharge, accelerate the release of electrostatic charge, therefore greatly reduced the risk that via area is burnt.
Embodiment seven
Figure 10 is the structural representation of checkout gear and holding wire in display unit embodiment seven of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 10 describes display unit of the present invention.
The same section of the 7th embodiment and above-described embodiment repeats no more, in the present embodiment:
As shown in figure 10, short bar 701-704 is near the position that is electrically connected to holding wire, for example short bar 701-704 is electrically connected to by via area with holding wire, by via area, also namely has one or more spike projection 708 by contact hole 106, described spike projection 708 can be positioned on short bar, also can be positioned on holding wire.Described spike projection 708 can be positioned at the same side of short bar as shown in figure 10, also can be positioned at the not homonymy of short bar, perhaps be provided with the spike projection on the side of the close adjacent both sides short bar of each short bar, and the spike projection between each short bar arranges relatively all.
Preferably, spike projection 708 and short bar 701-704 are positioned at same layer, and concrete, the tip of spike projection 708 is horn shape or taper.
Concrete, in the part of the test pads 709 of short bar 701-704, and the surface of the tip portion of the spike projection 708 of short bar 701-704 does not have insulating barrier.
Certainly, in other embodiments, also can have the spike projection in above-described embodiment on described test pads 709.
As shown in figure 10, because spike projection 708 is arranged on by via area, and spike projection 708 is directly exposed in air, in case therefore in technical process, static is excessive, electric charge in via area place's accumulation moves at past spike projection 708 positions immediately, at its tip directly to atmospherical discharges, greatly reduce static to the damage of via area, make testing electrical property normally carry out, via area is other can effectively prevent the damage that static causes via area because via area easily because of the damaged testing electrical property that affects of static, therefore preferably is arranged on spike projection 708.
Embodiment eight
Figure 11 is the structural representation of checkout gear and holding wire in display unit embodiment eight of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 11 describes display unit of the present invention.
The same section of the 8th embodiment and the 7th embodiment repeats no more, in the present embodiment:
Described spike projection 808 is positioned at identical layer with holding wire, for example with data line bit in identical layer, and be positioned at the top of data wire, the extension that is data wire outside the short bar.In the present embodiment, spike projection 808 is positioned at identical layer with holding wire, thereby makes the processing step of etching formation spike projection simpler.In addition, be provided with described spike projection on the side of the close adjacent both sides holding wire of each described holding wire, and the described spike projection of adjacent described holding wire arranges relatively all.
Embodiment nine
Figure 12 is the structural representation of checkout gear and holding wire in display unit embodiment nine of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 12 describes display unit of the present invention.
The same section of the 9th embodiment and the 8th embodiment repeats no more, in the present embodiment:
On short bar, except the spike projection 808 that is positioned at the holding wire top, also have another spike projection 711 by via area, spike projection 711 and short bar are positioned at same layer, and spike projection 711 is horn shape or taper.
Embodiment ten
Figure 13 is the structural representation of checkout gear and holding wire in display unit embodiment ten of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 13 describes display unit of the present invention.
The same section of the tenth embodiment and the 9th embodiment repeats no more, in the present embodiment:
Figure 14 is the structural representation of checkout gear and holding wire in display unit embodiment 11 of the present invention.Structure below in conjunction with checkout gear and holding wire shown in Figure 14 describes display unit of the present invention.
The same section of the 11 embodiment and above-described embodiment repeats no more, in the present embodiment:
As shown in figure 14, the other spike projection 713 and 714 that is provided with of described short bar and holding wire link position, spike projection 713 and 714 lays respectively on the two sides of short bar near adjacent both sides short bar, and the tip of the spike projection 714 on the spike of short bar projection 713 short bar adjacent with it is oppositely arranged.
Arranging of spike projection can combination in any in each embodiment in addition.List no longer one by one at this.So in above-described embodiment, in case in manufacture process, static is excessive, will be moving toward the point displacement immediately with the electric charge of contact hole place's accumulation on short bar, discharge tapers off to a point at the tip, greatly reduce static to the damage of via area, make testing electrical property normally carry out.
The spike convex design of Figure 10 of the present invention-14 can repid discharge on the via area side.There is no insulating barrier above tip of the present invention, and there is no insulating barrier between tip and tip, improved the efficient of discharge; The static discharge successful.In addition, the material of described spike projection of the present invention can be one or more in aluminium, aluminium neodymium alloy, tin indium oxide, molybdenum, molybdenum neodymium alloy etc., preferential, the material of the described spike projection in the present invention is tin indium oxide, because it has stronger corrosion resistance.
The above is only preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.
Although the present invention discloses as above with preferred embodiment, yet is not to limit the present invention.Any those of ordinary skill in the art, do not breaking away from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (23)
1. display unit comprises: by effective display part that display pixel consists of, the holding wire and the testing fixture that are electrically connected to effective display part, described testing fixture comprise the short bar of interval discharging; It is characterized in that, described each short bar is electrically connected to from different holding wire by via area respectively, and an end of described short bar has test pads, and described testing fixture comprises that also the spike that is electrically connected to short bar is protruding; Wherein, described spike projection is exposed in air.
2. display unit according to claim 1, is characterized in that, described spike projection is positioned at an end that does not have test pads of described short bar.
3. display unit according to claim 2, is characterized in that, an end that does not have test pads of same described short bar has a described spike projection.
4. display unit according to claim 3, is characterized in that, the tip of the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line relatively.
5. display unit according to claim 1, is characterized in that, described spike projection is positioned on the test pads of described short bar.
6. display unit according to claim 5, is characterized in that, the tip of the spike projection on the test pads of the described short bar of connection unlike signal line relatively.
7. display unit according to claim 3, is characterized in that, has described spike projection on the test pads of described short bar.
8. display unit according to claim 7, is characterized in that, the tip of the spike projection of an end that does not have test pads of the described short bar of connection unlike signal line relatively.
9. display unit according to claim 8, is characterized in that, the tip of the spike projection on the test pads of the described short bar of connection unlike signal line relatively.
10. display unit according to claim 7, is characterized in that, the tip of the spike projection on the test pads of the described short bar of connection unlike signal line relatively.
11. display unit according to claim 1 is characterized in that, described spike projection is positioned at by described via area.
12. display unit according to claim 11 is characterized in that, have respectively described spike projection on the side of the close adjacent both sides short bar of described short bar, and the described spike projection on adjacent described short bar is relatively most advanced and sophisticated.
13. the described display unit of according to claim 1 to 12 any one is characterized in that the tip of described spike projection is horn shape.
14. the described display unit of according to claim 1 to 12 any one is characterized in that, described short bar and described spike projection are positioned at same layer.
15. the described display unit of according to claim 1 to 12 any one is characterized in that, the material of described spike projection is one or more in aluminium, aluminium neodymium alloy, molybdenum, molybdenum neodymium alloy.
16. the described display unit of according to claim 1 to 12 any one is characterized in that the material of described spike projection is tin indium oxide.
17. display unit according to claim 12 is characterized in that, described holding wire is provided with described spike projection on the side near adjacent both sides holding wire, and the described spike projection on adjacent described holding wire all arranges relatively.
18. according to claim 1 or 17 described display unit, it is characterized in that, the opposite side of described spike projection is provided with an attached cusp field in addition, and described attached cusp field is positioned at outside described effective display part, and has that one or more is most advanced and sophisticated corresponding with described spike projection.
19. display unit according to claim 18 is characterized in that, described attached cusp field is arranged on public electrode.
20. display unit according to claim 11 is characterized in that, described holding wire and described spike projection are positioned at same layer.
21. display unit according to claim 20 is characterized in that, the extension that the other spike projection of described via area is the holding wire that is connected with short bar outside this short bar.
22. display unit according to claim 21, it is characterized in that, also have a spike projection that is positioned at same layer with described short bar described via area is other, be positioned at the spike projection of same layer and be positioned at spike projection most advanced and sophisticated relative of same layer with short bar with holding wire.
23. according to claim 20-22 described display unit of any one is characterized in that the tip of described spike projection is horn shape or taper.
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| CN 200910048490 CN101847628B (en) | 2009-03-27 | 2009-03-27 | Display device |
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| CN 200910048490 CN101847628B (en) | 2009-03-27 | 2009-03-27 | Display device |
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| CN101847628B true CN101847628B (en) | 2013-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101946028B1 (en) * | 2012-08-31 | 2019-02-08 | 삼성전자주식회사 | IO port and electronic apparatus having the same |
| CN105118410B (en) * | 2015-09-17 | 2018-09-11 | 京东方科技集团股份有限公司 | Short bar recovery device and preparation method thereof and the method for restoring short bar detection |
| CN105278195B (en) * | 2015-11-27 | 2018-09-14 | 武汉华星光电技术有限公司 | Array substrate |
| CN106054474B (en) * | 2016-05-27 | 2019-05-03 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display panel path monitoring method |
| CN107393455B (en) * | 2017-09-20 | 2020-08-28 | 京东方科技集团股份有限公司 | Chip testing device of display and display with same |
| CN108513523B (en) * | 2018-03-30 | 2020-12-22 | 信利半导体有限公司 | Antistatic failure device for display device |
| US11532646B2 (en) | 2020-08-05 | 2022-12-20 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel, display device, and display system |
| CN112002700A (en) * | 2020-08-05 | 2020-11-27 | 深圳市华星光电半导体显示技术有限公司 | Display panel, display device and display system |
| CN112558365B (en) * | 2020-12-10 | 2022-07-22 | 滁州惠科光电科技有限公司 | Wiring structure and liquid crystal display panel |
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