CN104570421A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN104570421A CN104570421A CN201410854029.6A CN201410854029A CN104570421A CN 104570421 A CN104570421 A CN 104570421A CN 201410854029 A CN201410854029 A CN 201410854029A CN 104570421 A CN104570421 A CN 104570421A
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- crack detection
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- display panel
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention discloses a display panel and a display device comprising the same. The display panel comprises a display area, a non-display area and a crack detection circuit, the non-display area surrounds the display area, the crack detection circuit is arranged in the non-display area and comprises a crack detection circuit auxiliary circuit and a crack detection circuit main circuit, the crack detection circuit auxiliary circuit comprises a first end line and a plurality of mutually parallel first branch lines, the first end line extends along a first direction, one end of each first branch line is electrically connected with the first end line, the first branch lines extend along a second direction, the crack detection circuit main circuit comprises a second end line and a plurality of mutually parallel second branch lines, the second end line extends along the first direction, one end of each second branch line is electrically connected with the second end line, the second branch lines extend along the second direction, and the first branch lines are respectively in one-to-one correspondence to the second branch lines. The crack detection circuit auxiliary circuit and the crack detection circuit main circuit can accurately measure crack extension extent, and product quality is improved.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of display panel and comprise the display device of this display panel.
Background technology
In correlation technique, display panels mainly comprises the colored optical filtering substrates and array base palte that are oppositely arranged and the liquid crystal be encapsulated between two substrates.In the manufacturing process of display panels, first on two greatly a glass substrate, make active device and color filter film and other device etc. respectively, a substrate instills liquid crystal wherein, again two are opened greatly a glass substrate and carry out contraposition encapsulation, form the motherboard with multiple LCD Slab element, then motherboard is cut, form multiple display panels.
In above-mentioned manufacture process, glass-cutting substrate, liquid crystal panel test, to be assembled in module and transport the crackle that can produce or to cause existing crackle to be deepened, the peripheral circuit of display panels is caused to have the risk of open circuit, and then cause the risk having display exception after on module assembled to final display device, if and have the liquid crystal panel of potential risk cannot cannot choose before having assembled final display device, the waste of certain material, manpower etc. can be caused.In order to head it off; usual meeting arranges a metal routing near display panels periphery predetermined cuts position; judge whether crackle exists by measuring the means such as the resistance of described metal routing; but because be cut with certain error; cause crack detection circuit apart from liquid crystal panel cutting edge too closely, therefore can not can not judge crack depth etc. more accurately, actual problematic display panels can be caused by test; and use as normal display panel, affect product quality.
Summary of the invention
In view of this, embodiments provide a kind of display panel, comprising: viewing area and the non-display area arranged around viewing area; Be arranged on the crack detection circuit in described non-display area, described crack detection circuit comprises crack detection circuit auxiliary circuit and crack detection main circuit circuit; Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines parallel to each other; Described crack detection main circuit circuit comprises the second end line extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines parallel to each other; Wherein, described first branch line is arranged with described second branch line one_to_one corresponding respectively.
The embodiment of the present invention also comprises a kind of display device, comprises above-mentioned display panel.
Compared with correlation technique, the present invention has one of following outstanding advantage:
In embodiment disclosed by the invention, the crack detection circuit be arranged in non-display area described in described display panel can be measured accurately to crackle Extendible Extent, risky display panel by test, cannot be entered next intermediate links, improves product quality.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
The planar structure schematic diagram of the array base palte of the display panels that Fig. 1 provides for correlation technique;
Fig. 2 is the structural representation in correlation technique after display panels cutting position partial enlargement;
Fig. 3 is the structural representation in correlation technique after the another kind of cutting position partial enlargement of display panels;
The display panel planar structure schematic diagram being provided with crack detection circuit auxiliary circuit and crack detection main circuit circuit that Fig. 4 provides for the embodiment of the present invention one;
Planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 5 provides for the embodiment of the present invention one and crack detection main circuit circuit;
Planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 6 provides for the embodiment of the present invention two and crack detection main circuit circuit;
Planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 7 provides for the embodiment of the present invention three and crack detection main circuit circuit;
Planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 8 provides for the embodiment of the present invention four and crack detection main circuit circuit.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and below in conjunction with drawings and Examples, the present invention will be further described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Should be appreciated that, when element be referred to as " " another element " on " time, directly on another element, or can there is intermediary element between which in this element.On the contrary, when element be referred to as " directly existing " another element " on " time, there is not intermediary element.
Although it should be understood that term first, second, third, etc. can be used for describing different elements, assembly, region, layer and/or part here, these elements, assembly, region, layer and/or part should not limit by these terms.These terms are only used to an element, assembly, region, layer or part and another element, assembly, region, layer or part to distinguish.Therefore, when not departing from instruction of the present invention, the first element discussed below, assembly, region, layer or part can be called as the second element, assembly, region, layer or part.
Term used herein only in order to describe the object of specific embodiment, and is not intended to limit the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative be also intended to comprise plural form.It will also be understood that, " comprise " when using term in this manual and/or " comprising " time, there is described feature, region, entirety, step, operation, element and/or assembly in explanation, but does not get rid of existence or additional one or more further feature, region, entirety, step, operation, element, assembly and/or their group.
Please refer to Fig. 1, the face structural representation of the array base palte of the display panels that Fig. 1 provides for correlation technique.As shown in Figure 1, display panels comprises array base palte 110 and and the counter substrate (not shown) that is oppositely arranged of described array base palte 110 and the liquid crystal (not shown) that is encapsulated between two substrates.In the manufacturing process of display panels, first on two greatly a glass substrate, make active device and color filter film and other device etc. respectively, a substrate instills liquid crystal wherein, again two are opened greatly a glass substrate and carry out contraposition encapsulation, form the motherboard with multiple LCD Slab element, then motherboard is cut, form multiple display panels.
In above-mentioned manufacture process, when cutting, glass handling, panel test or assembling backlight etc., the crackle that glass substrate produces can cause the peripheral circuit open circuit of display panels, affect the normal work of display panels, and the panel having crackle to exist can not detect the waste that can cause follow-up material in advance.In order to head it off; usual meeting arranges a metal routing 113 in display panels periphery non-display area 112 predetermined cuts position; judge cutting error by measuring the means such as the resistance of described metal routing 113, the partial enlarged drawing of its concrete structure please refer to Fig. 2 and Fig. 3.
Please refer to Fig. 2, Fig. 2 is the structural representation in correlation technique after display panels cutting position partial enlargement.As shown in Figure 2, described metal routing 113 is arranged on apart from described predetermined cuts position 117 apart from being M place, described M and predetermined cutting error scope.When actual cutting position 116 is positioned at predetermined cutting error scope, namely time between described metal routing 113 and described predetermined cuts position 117, the crackle 118 that glass substrate produces due to cutting, crackle 118 longer in 119 extends to described metal routing 113, cut off described metal routing 113, described metal routing 113 resistance is caused to become large, but crackle 119 can not detect, and 119 extend to display panel periphery cabling in follow-up operation, described display panels is caused to be the display panel of cisco unity malfunction, cause the waste of scrapping with corresponding subsequent material.
Please refer to Fig. 3, Fig. 3 is the structural representation in correlation technique after the another kind of cutting position partial enlargement of display panels.As shown in Figure 3, described metal routing 113 is arranged on apart from described predetermined cuts position 117 apart from being M place, described M and predetermined cutting error scope.When actual cutting position 131 is positioned at outside predetermined cutting error scope, namely time between described metal routing 113 and described viewing area (not shown), metal routing 113 can be cut off, described metal routing 113 resistance is caused to become large, and crackle just cannot detect, this metal routing loses measuring ability.
Comprehensive above-mentioned situation, the Extendible Extent of crackle when can find out that the method accurately can not judge actual cutting position and cutting, actual problematic display panels can be caused by test, and use as normal display panel, affect product quality, or the display panels that can normally work is as the display panel of cisco unity malfunction, causes the waste of subsequent handling material.
Embodiment one
For solving the problem, the embodiment of the present invention one provides a kind of display panel, the display panel planar structure schematic diagram being provided with crack detection circuit auxiliary circuit and crack detection main circuit circuit that Fig. 4 provides for the embodiment of the present invention one.As shown in Figure 4, the display panel 140 that the embodiment of the present invention one provides comprises: viewing area 141 and the non-display area 142 arranged around described viewing area 141; Be arranged on the crack detection circuit auxiliary circuit in described non-display area 142 and crack detection main circuit circuit; Described crack detection main circuit circuit comprises the first end line 143 extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines 144 parallel to each other; Described crack detection circuit auxiliary circuit comprises the second end line 146 extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines 148 parallel to each other; Wherein, described first branch line 144 is arranged with described second branch line 148 one_to_one corresponding respectively.Described crack detection main circuit circuit also comprises multiple first conducting strips 145 that first branch line 144 other end described with many is respectively electrically connected, and described crack detection circuit auxiliary circuit also comprises multiple second conducting strips 147 that second branch line 148 other end described with many is respectively electrically connected.
It should be noted that, described display panel 140 comprises the first substrate (not shown) and second substrate (not shown) that are oppositely arranged, such as display panels comprises the array base palte and color membrane substrates that are oppositely arranged, organic electroluminescence display panel comprises the light emitting element substrate and base plate for packaging that are oppositely arranged, and the present embodiment does not restrict this.Wherein, described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on the same substrate, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are separately positioned on two substrates, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged for combination, be arranged on described first substrate and described second substrate simultaneously, and described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on same substrate same surface on or on different surfaces, also can be arranged on two substrates apparent surface or on the table deviated from mutually, the present embodiment does not make restriction to the particular location of described crack detection circuit auxiliary circuit and described crack detection main circuit circuit, can adjust according to actual needs, as long as ensure that many branch lines in two circuit are one to one.
What needs further illustrated is, described first end line 143 in described crack detection main circuit circuit, described first branch line 144 and described first conducting strip 145 can be arranged with layer, also can arrange by different layers, when described first end line 143, described first branch line 144 and described first conducting strip 145 are positioned at different layers, can by via hole electrical connection between the two.In like manner, described second end line 146 in described crack detection circuit auxiliary circuit, described second branch line 148 and described second conducting strip 147 can be arranged with layer, also can arrange by different layers, when described second end line 146, described second branch line 148 and described second conducting strip 147 are positioned at different layers, can by via hole electrical connection between the two.Described second end line 146 in described first end line 143 in certain described crack detection main circuit circuit, described first branch line 144, described first conducting strip 145 and described crack detection circuit auxiliary circuit, described second branch line 148, described second conducting strip 147 can all be arranged with layer, can arrange with layer with the conductive layer in described display panel further, save processing step, also partly or entirely can arrange by different layers, can adjust according to actual needs.
It should be noted that, above-mentioned first direction and second direction are mutually perpendicular, and namely described first end line or described second end line are when extending in the horizontal direction, and described first branch line or described second branch line vertically extend, and vice versa.In the present embodiment, extend all in the horizontal direction with described first end line and described second end line, described first branch line and described second branch line all vertically extend to example.Wherein, described first branch line and described second branch line all vertically extend, but can arrange the bending of at least one place, and to avoid panel periphery circuit, its bending quantity and overbending direction can design according to actual, and the present embodiment does not limit this.
Please refer to Fig. 5, planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 5 provides for the embodiment of the present invention one and crack detection main circuit circuit, the i.e. enlarged drawing of crack detection circuit auxiliary circuit and crack detection main circuit circuit part 149 in Fig. 4.As shown in Figure 5, described crack detection circuit auxiliary circuit comprises the first end line 153 extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines 1541,1542,1543,1544 parallel to each other; Described crack detection main circuit circuit comprises the second end line 151 extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines 1521,1522,1523,1524 parallel to each other; Wherein, described first branch line 1541,1542,1543,1544 is arranged with described second branch line 1521,1522,1523,1524 one_to_one corresponding respectively.
When cutting mother glass, suppose that actual cutting position 155 is positioned at a region of crack detection circuit auxiliary circuit, then do not cut off any first branch line 1541,1542,1543,1544 in crack detection circuit auxiliary circuit, then measure the resistance between any two first branch lines 1541,1542,1543,1544, all be less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 155 produces is positioned at a-quadrant, then do not cut off any second branch line 1521,1522,1523,1524 in crack detection main circuit circuit, then measure the resistance between any two second branch lines 1521,1522,1523,1524, all be less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 155 is positioned at the b region of crack detection circuit auxiliary circuit, then cut off the first end line 153 and the first branch line 1541 in the b region in crack detection circuit auxiliary circuit, when then measuring the resistance between the first branch line 1541 and the first branch line 1544, resistance value is infinitely great, resistance between the first branch line 1542 and the first branch line 1544, resistance between the first branch line 1543 and the first branch line 1544 are all less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 155 produces is positioned at B region, then cut off the second end line 151 and the second branch line 1521 in the B region in crack detection main circuit circuit, when then measuring the resistance between the second branch line 1521 and the second branch line 1524, resistance value is infinitely great, resistance between the second branch line 1522 and the second branch line 1524, resistance between the second branch line 1523 and the second branch line 1524 are all less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 155 is positioned at the c region of crack detection circuit auxiliary circuit, then cut off the first end line 153 and the first branch line 1542 in the c region in crack detection circuit auxiliary circuit, then measure the resistance between the first branch line 1541 and 1544, resistance between the first branch line 1542 and the first branch line 1544, resistance value is infinity, resistance between the first branch line 1543 and the first branch line 1544 is less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 155 produces is positioned at C region, then cut off the second end line 151 and the second branch line 1521,1522 in the C region in crack detection main circuit circuit, resistance when then measuring the resistance between the second branch line 1521 and the second branch line 1524, between the second branch line 1522 and the second branch line 1524, resistance value is infinity, resistance between the second branch line 1523 and the second branch line 1524 is less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 155 is positioned at the d region of crack detection circuit auxiliary circuit, then cut off the first end line 153 and the first branch line 1543 in the d region in crack detection circuit auxiliary circuit, then measure the resistance between the first branch line 1541 and 1544, the resistance between the first branch line 1542 and the first branch line 1544, the resistance between the first branch line 1543 and the first branch line 1544, resistance value is infinity.Suppose that the crackle that actual cutting position 155 produces is positioned at D region, then cut off the second end line 151 and the second branch line 1521,1522,1523 in the D region in crack detection main circuit circuit, when then measuring the resistance between the second branch line 1521 and the second branch line 1524, the resistance between the second branch line 1522 and the second branch line 1524, the resistance between the second branch line 1523 and the second branch line 1524, resistance value is infinity.
In sum, in the embodiment of the present invention one, the resistance of the corresponding described crack detection circuit auxiliary circuit of different cutting position refers to following table:
Cutting position | Resistance between 1541 and 1544 | Resistance between 1542 and 1544 | Resistance between 1543 and 1544 |
A region | <Rx | <Rx | <Rx |
B region | Infinitely great | <Rx | <Rx |
C region | Infinitely great | Infinitely great | <Rx |
D region | Infinitely great | Infinitely great | Infinitely great |
In the embodiment of the present invention one, the resistance of the corresponding described crack detection main circuit circuit of different crack position refers to following table:
Crack position | Resistance between 1521 and 1524 | Resistance between 1522 and 1524 | Resistance between 1523 and 1524 |
A-quadrant | <Ry | <Ry | <Ry |
B region | Infinitely great | <Ry | <Ry |
C region | Infinitely great | Infinitely great | <Ry |
D region | Infinitely great | Infinitely great | Infinitely great |
In conjunction with crack detection circuit auxiliary circuit test judgement cutting position in the embodiment of the present invention one, the resistance difference according to above-mentioned crack detection main circuit circuit can judge crack position, and concrete result of determination refers to following table:
In embodiment one disclosed by the invention, be arranged on crack detection circuit auxiliary circuit in non-display area described in described display panel and crack detection main circuit circuit can be measured respectively accurately to crackle Extendible Extent, the display panel of crackle risk is made to pass through test, enter next intermediate links, improve product quality, avoid judging the display panel that described display panels is cisco unity malfunction by accident simultaneously, cause the waste of doing over again and repairing or scrapping.
Embodiment two
The embodiment of the present invention two provides a kind of display panel, and the display panel that the embodiment of the present invention two provides comprises: viewing area and the non-display area arranged around described viewing area; Be arranged on the crack detection circuit auxiliary circuit in described non-display area and crack detection main circuit circuit; Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines parallel to each other; Described crack detection main circuit circuit comprises the second end line extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines parallel to each other; Wherein, described first branch line is arranged with described second branch line one_to_one corresponding respectively.Described crack detection circuit auxiliary circuit also comprises multiple first conducting strips that the first branch line other end described with many is respectively electrically connected, described crack detection main circuit circuit also comprises multiple second conducting strips that the second branch line other end described with many is respectively electrically connected, wherein, described crack detection main circuit circuit also comprises at least one the second lead-in wires, described second lead-in wire extends along first direction, and at least described with two the second branch line is electrically connected.In the present embodiment, all go between with one described second with the other end of three described second branch lines and electrically connect as example.
It should be noted that, described display panel comprises the first substrate and second substrate that are oppositely arranged, such as display panels comprises the array base palte and color membrane substrates that are oppositely arranged, organic electroluminescence display panel comprises the light emitting element substrate and base plate for packaging that are oppositely arranged, and the present embodiment does not restrict this.Wherein, described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on the same substrate, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are separately positioned on two substrates, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged for combination, be arranged on described first substrate and described second substrate simultaneously, and described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on same substrate same surface on or on different surfaces, also can be arranged on two substrates apparent surface or on the table deviated from mutually, the present embodiment does not make restriction to the particular location of described crack detection circuit auxiliary circuit and described crack detection main circuit circuit, can adjust according to actual needs, as long as ensure that many branch lines in two circuit are one to one.
What needs further illustrated is, described first end line in described crack detection circuit auxiliary circuit, described first branch line and described first conducting strip can be arranged with layer, also can arrange by different layers, when described first end line, described first branch line and described first conducting strip are positioned at different layers, can by via hole electrical connection between the two.In like manner, described second end line in described crack detection main circuit circuit, described second branch line, described second conducting strip and described second lead-in wire can be arranged with layer, also can arrange by different layers, when described second end line, described second branch line, described second conducting strip and described second lead-in wire are positioned at different layers, can by via hole electrical connection between the two.Described second end line in described first end line in certain described crack detection circuit auxiliary circuit, described first branch line, described first conducting strip and described crack detection main circuit circuit, described second branch line, described second conducting strip, described second lead-in wire can all be arranged with layer, can arrange with layer with the conductive layer in described display panel further, save processing step, also partly or entirely can arrange by different layers, can adjust according to actual needs.
It should be noted that, above-mentioned first direction and second direction are mutually perpendicular, and namely described first end line or described second end line are when extending in the horizontal direction, and described first branch line or described second branch line vertically extend, and vice versa.In the present embodiment, extend all in the horizontal direction with described first end line and described second end line, described first branch line and described second branch line all vertically extend to example.Wherein, described first branch line and described second branch line all vertically extend, but can arrange the bending of at least one place, and to avoid panel periphery circuit, its bending quantity and overbending direction can design according to actual, and the present embodiment does not limit this.
Please refer to Fig. 6, the planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 6 provides for the embodiment of the present invention two and crack detection main circuit circuit.As shown in Figure 6, described crack detection circuit auxiliary circuit comprises the first end line 163 extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines 1641,1642,1643,1644 parallel to each other; Described crack detection main circuit circuit comprises the second end line 161 extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines 1621,1622,1623,1624 parallel to each other; Wherein, described first branch line 1641,1642,1643,1644 is arranged with described second branch line 1621,1622,1623,1624 one_to_one corresponding respectively, wherein, the other end of described second branch line 1621,1622,1623 all goes between with one described second and 166 to be electrically connected.
When cutting mother glass, suppose that actual cutting position 165 is positioned at a region of crack detection circuit auxiliary circuit, then do not cut off any first branch line 1641,1642,1643,1644 in crack detection circuit auxiliary circuit, then measure the resistance between any two first branch lines 1641,1642,1643,1644, all be less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 165 produces is positioned at a-quadrant, then do not cut off any second branch line 1621,1622,1623,1624 in crack detection main circuit circuit, then measure the resistance between the second lead-in wire 166 and the second branch line 1624, be less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 165 is positioned at the b region of crack detection circuit auxiliary circuit, then cut off the first end line 163 and the first branch line 1641 in the b region in crack detection circuit auxiliary circuit, when then measuring the resistance between the first branch line 1641 and the first branch line 1644, resistance value is infinitely great, resistance between the first branch line 1642 and the first branch line 1644, resistance between the first branch line 1643 and the first branch line 1644 are all less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 165 produces is positioned at B region, then cut off the second end line 161 and the second branch line 1621 in the B region in crack detection main circuit circuit, but other second branch line 1622,1623,1624 does not disconnect, measure the resistance between the second lead-in wire 166 and the second branch line 1624, be less than preset resistance Ry1.Suppose that actual cutting position 165 is positioned at the c region of crack detection circuit auxiliary circuit, then cut off the first end line 163 and the first branch line 1642 in the c region in crack detection circuit auxiliary circuit, then measure the resistance between the first branch line 1641 and the first branch line 1644, resistance between the first branch line 1642 and the first branch line 1644, resistance value is infinity, resistance between the first branch line 1643 and the first branch line 1644 is less than preset resistance Rx, there will not be infinitely-great resistance.Suppose that the crackle that actual cutting position 165 produces is positioned at C region, then cut off the second end line 161 and the second branch line 1621,1622 in the C region in crack detection main circuit circuit, but other second branch line 1623,1624 does not disconnect, measure the resistance between the second lead-in wire 166 and the second branch line 1624, be less than preset resistance Ry2.Suppose that actual cutting position 165 is positioned at the d region of crack detection circuit auxiliary circuit, then cut off the first end line 163 and the first branch line 1643 in the d region in crack detection circuit auxiliary circuit, then measure the resistance between the first branch line 1641 and the first branch line 1644, the resistance between the first branch line 1642 and the first branch line 1644, the resistance between the first branch line 1643 and the first branch line 1644, resistance value is infinity.Suppose that the crackle that actual cutting position 165 produces is positioned at D region, then cut off the second end line 161 and the second branch line 1621,1622,1623 in the D region in crack detection main circuit circuit, then measure the resistance between the second lead-in wire 166 and the second branch line 1624, resistance value is infinitely great.
In sum, in the embodiment of the present invention two, the resistance of the corresponding described crack detection circuit auxiliary circuit of different cutting position refers to following table:
Cutting position | Resistance between 1641 and 1644 | Resistance between 1642 and 1644 | Resistance between 1643 and 1644 |
A region | <Rx | <Rx | <Rx |
B region | Infinitely great | <Rx | <Rx |
C region | Infinitely great | Infinitely great | <Rx |
D region | Infinitely great | Infinitely great | Infinitely great |
In the embodiment of the present invention two, the resistance of the corresponding described crack detection main circuit circuit of different crack position refers to following table:
Crack position | Resistance between 166 and 1624 |
A-quadrant | <Ry |
B region | <Ry1 |
C region | <Ry2 |
D region | Infinitely great |
In conjunction with crack detection circuit auxiliary circuit test judgement cutting position in the embodiment of the present invention two, the resistance difference according to above-mentioned crack detection main circuit circuit can judge crack position, and concrete result of determination refers to following table:
In embodiment two disclosed by the invention, be arranged on crack detection circuit auxiliary circuit in non-display area described in described display panel and crack detection main circuit circuit can be measured accurately to crackle Extendible Extent, and on the basis of embodiment one, simplify crack detection main circuit circuit, problematic display panel is made to pass through test, enter next intermediate links, improve product quality, avoid judging the display panel that described display panels is cisco unity malfunction by accident simultaneously, cause the waste of doing over again and repairing or scrapping.
Embodiment three
The embodiment of the present invention three provides a kind of display panel, and the display panel that the embodiment of the present invention three provides comprises: viewing area and the non-display area arranged around described viewing area; Be arranged on the crack detection circuit auxiliary circuit in described non-display area and crack detection main circuit circuit; Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines parallel to each other; Described crack detection main circuit circuit comprises the second end line extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines parallel to each other; Wherein, described first branch line is arranged with described second branch line one_to_one corresponding respectively.Described crack detection circuit auxiliary circuit also comprises multiple first conducting strips that the first branch line other end described with many is respectively electrically connected, wherein, described crack detection circuit auxiliary circuit also comprises at least one the first lead-in wires, described first lead-in wire extends along first direction, and at least described with two the first branch line is electrically connected.In the present embodiment, all go between with one described first with the other end of three described first branch lines and electrically connect as example.Described crack detection main circuit circuit also comprises multiple second conducting strips that the second branch line other end described with many is respectively electrically connected.
It should be noted that, described display panel comprises the first substrate and second substrate that are oppositely arranged, such as display panels comprises the array base palte and color membrane substrates that are oppositely arranged, organic electroluminescence display panel comprises the light emitting element substrate and base plate for packaging that are oppositely arranged, and the present embodiment does not restrict this.Wherein, described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on the same substrate, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are separately positioned on two substrates, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged for combination, be arranged on described first substrate and described second substrate simultaneously, and described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on same substrate same surface on or on different surfaces, also can be arranged on two substrates apparent surface or on the table deviated from mutually, the present embodiment does not make restriction to the particular location of described crack detection circuit auxiliary circuit and described crack detection main circuit circuit, can adjust according to actual needs, as long as ensure that many branch lines in two circuit are one to one.
What needs further illustrated is, described first end line in described crack detection circuit auxiliary circuit, described first branch line, described first conducting strip and described first lead-in wire can be arranged with layer, also can arrange by different layers, when described first end line, described first branch line, described first conducting strip and described first lead-in wire are positioned at different layers, can by via hole electrical connection between the two.In like manner, described second end line in described crack detection main circuit circuit, described second branch line and described second conducting strip can be arranged with layer, also can arrange by different layers, when described second end line, described second branch line and described second conducting strip are positioned at different layers, can by via hole electrical connection between the two.Described second end line in described first end line in certain described crack detection circuit auxiliary circuit, described first branch line, described first conducting strip, described first lead-in wire and described crack detection main circuit circuit, described second branch line, described second conducting strip can all be arranged with layer, can arrange with layer with the conductive layer in described display panel further, save processing step, also partly or entirely can arrange by different layers, can adjust according to actual needs.
It should be noted that, above-mentioned first direction and second direction are mutually perpendicular, and namely described first end line or described second end line are when extending in the horizontal direction, and described first branch line or described second branch line vertically extend, and vice versa.In the present embodiment, extend all in the horizontal direction with described first end line and described second end line, described first branch line and described second branch line all vertically extend to example.Wherein, described first branch line and described second branch line all vertically extend, but can arrange the bending of at least one place, and to avoid panel periphery circuit, its bending quantity and overbending direction can design according to actual, and the present embodiment does not limit this.
Please refer to Fig. 7, the planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 7 provides for the embodiment of the present invention three and crack detection main circuit circuit.As shown in Figure 7, described crack detection circuit auxiliary circuit comprises the first end line 173 extended along first direction, to be electrically connected with described first end line with one end and many that extend along second direction the first branch lines 1741,1742,1743,1744 parallel to each other, wherein, the other end of described first branch line 1741,1742,1743 all goes between with one described first and 176 to be electrically connected; Described crack detection main circuit circuit comprises the second end line 171 extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines 1721,1722,1723,1724 parallel to each other; Wherein, described first branch line 1741,1742,1743,1744 is arranged with described second branch line 1721,1722,1723,1724 one_to_one corresponding respectively.
When cutting mother glass, suppose that actual cutting position 175 is positioned at a region of crack detection circuit auxiliary circuit, then do not cut off any first branch line 1741,1742,1743,1744 in crack detection circuit auxiliary circuit, then measure the resistance between the first lead-in wire 176 and the first branch line 1744, be less than preset resistance Rx.Suppose that the crackle that actual cutting position 175 produces is positioned at a-quadrant, then do not cut off any second branch line 1721,1722,1723,1724 in crack detection main circuit circuit, then measure the resistance between any two second branch lines 1721,1722,1723,1724, be less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 175 is positioned at the b region of crack detection circuit auxiliary circuit, then cut off the first end line 173 and the first branch line 1741 in the b region in crack detection circuit auxiliary circuit, but other first branch line 1742,1743,1744 does not disconnect, when then measuring the resistance between the first lead-in wire 176 and the first branch line 1744, resistance value is less than preset resistance Rx1.Suppose that the crackle that actual cutting position 175 produces is positioned at B region, then cut off the second end line 171 and the second branch line 1721 in the B region in crack detection main circuit circuit, when then measuring the resistance between the second branch line 1721 and the second branch line 1724, resistance value is infinitely great, resistance between the second branch line 1722 and the second branch line 1724, resistance between the second branch line 1723 and the second branch line 1724 are all less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 175 is positioned at the c region of crack detection circuit auxiliary circuit, then cut off the first end line 173 and the first branch line 1742 in the c region in crack detection circuit auxiliary circuit, but other first branch line 1743,1744 does not disconnect, when then measuring the resistance between the first lead-in wire 176 and the first branch line 1744, resistance value is less than preset resistance Rx2.Suppose that the crackle that actual cutting position 175 produces is positioned at C region, then cut off the second end line 171 and the second branch line 1721,1722 in the C region in crack detection main circuit circuit, when then measuring the resistance between the second branch line 1721 and the second branch line 1724, resistance between the second branch line 1722 and the second branch line 1724, resistance value is infinitely great, resistance between the second branch line 1723 and 1724 is less than preset resistance Ry, there will not be infinitely-great resistance.Suppose that actual cutting position 175 is positioned at the d region of crack detection circuit auxiliary circuit, then cut off the first end line 173 and the first branch line 1743 in the d region in crack detection circuit auxiliary circuit, when then measuring the resistance between the first lead-in wire 176 and the first branch line 1744, resistance value is infinitely great.Suppose that the crackle that actual cutting position 175 produces is positioned at D region, then cut off the second end line 171 and the second branch line 1721,1722,1723 in the D region in crack detection main circuit circuit, then measure the resistance between the second branch line 1721 and the second branch line 1724, the resistance between the second branch line 1722 and the second branch line 1724, the resistance between the second branch line 1723 and the second branch line 1724, resistance value is infinity.
In sum, in the embodiment of the present invention three, the resistance of the corresponding described crack detection circuit auxiliary circuit of different cutting position refers to following table:
Cutting position | Resistance between 176 and 1744 |
A region | <Rx |
B region | <Rx |
C region | <Rx |
D region | Infinitely great |
In the embodiment of the present invention three, the resistance of the corresponding described crack detection main circuit circuit of different crack position refers to following table:
Cutting position | Resistance between 1721 and 1724 | Resistance between 1722 and 1724 | Resistance between 1723 and 1724 |
A-quadrant | <Ry | <Ry | <Ry |
B region | Infinitely great | <Ry | <Ry |
C region | Infinitely great | Infinitely great | <Ry |
D region | Infinitely great | Infinitely great | Infinitely great |
In conjunction with crack detection circuit auxiliary circuit test judgement cutting position in the embodiment of the present invention three, the resistance difference according to above-mentioned crack detection main circuit circuit can judge crack position, and concrete result of determination refers to following table:
In embodiment three disclosed by the invention, be arranged on crack detection circuit auxiliary circuit in non-display area described in described display panel and crack detection main circuit circuit can be measured accurately to crackle Extendible Extent, and on the basis of embodiment one, simplify crack detection circuit auxiliary circuit, problematic display panel is made to pass through test, enter next intermediate links, improve product quality, avoid judging the display panel that described display panels is cisco unity malfunction by accident simultaneously, cause the waste of doing over again and repairing or scrapping.
Embodiment four
The embodiment of the present invention four provides a kind of display panel, and the display panel that the embodiment of the present invention four provides comprises: viewing area and the non-display area arranged around described viewing area; Be arranged on the crack detection circuit auxiliary circuit in described non-display area and crack detection main circuit circuit; Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines parallel to each other; Described crack detection main circuit circuit comprises the second end line extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines parallel to each other; Wherein, described first branch line is arranged with described second branch line one_to_one corresponding respectively.Described crack detection circuit auxiliary circuit also comprises multiple first conducting strips that the first branch line other end described with many is respectively electrically connected, wherein, described crack detection circuit auxiliary circuit also comprises at least one the first lead-in wires, described first lead-in wire extends along first direction, and at least described with two the first branch line is electrically connected.In the present embodiment, all go between with one described first with the other end of three described first branch lines and electrically connect as example.Described crack detection main circuit circuit also comprises multiple second conducting strips that the second branch line other end described with many is respectively electrically connected, wherein, described crack detection main circuit circuit also comprises at least one the second lead-in wires, described second lead-in wire extends along first direction, and at least described with two the second branch line is electrically connected, all goes between with one described second with the other end of three described second branch lines and electrically connect as example.
It should be noted that, described display panel comprises the first substrate and second substrate that are oppositely arranged, such as display panels comprises the array base palte and color membrane substrates that are oppositely arranged, organic electroluminescence display panel comprises the light emitting element substrate and base plate for packaging that are oppositely arranged, and the present embodiment does not restrict this.Wherein, described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on the same substrate, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are separately positioned on two substrates, or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged for combination, be arranged on described first substrate and described second substrate simultaneously, and described crack detection circuit auxiliary circuit and described crack detection main circuit circuit can be arranged on same substrate same surface on or on different surfaces, also can be arranged on two substrates apparent surface or on the table deviated from mutually, the present embodiment does not make restriction to the particular location of described crack detection circuit auxiliary circuit and described crack detection main circuit circuit, can adjust according to actual needs, as long as ensure that many branch lines in two circuit are one to one.
What needs further illustrated is, described first end line in described crack detection circuit auxiliary circuit, described first branch line, described first conducting strip and described first lead-in wire can be arranged with layer, also can arrange by different layers, when described first end line, described first branch line, described first conducting strip and described first lead-in wire are positioned at different layers, can by via hole electrical connection between the two.In like manner, described second end line in described crack detection main circuit circuit, described second branch line, described second conducting strip and described second lead-in wire can be arranged with layer, also can arrange by different layers, when described second end line, described second branch line, described second conducting strip and described second lead-in wire are positioned at different layers, can by via hole electrical connection between the two.Described second end line in described first end line in certain described crack detection circuit auxiliary circuit, described first branch line, described first conducting strip, described first lead-in wire and described crack detection main circuit circuit, described second branch line, described second conducting strip, described second lead-in wire can all be arranged with layer, can arrange with layer with the conductive layer in described display panel further, save processing step, also partly or entirely can arrange by different layers, can adjust according to actual needs.
It should be noted that, above-mentioned first direction and second direction are mutually perpendicular, and namely described first end line or described second end line are when extending in the horizontal direction, and described first branch line or described second branch line vertically extend, and vice versa.In the present embodiment, extend all in the horizontal direction with described first end line and described second end line, described first branch line and described second branch line all vertically extend to example.Wherein, described first branch line and described second branch line all vertically extend, but can arrange the bending of at least one place, and to avoid panel periphery circuit, its bending quantity and overbending direction can design according to actual, and the present embodiment does not limit this.
Please refer to Fig. 8, the planar structure schematic diagram after the partial enlargement of the crack detection circuit auxiliary circuit that Fig. 8 provides for the embodiment of the present invention four and crack detection main circuit circuit.As shown in Figure 8, described crack detection circuit auxiliary circuit comprises the first end line 183 extended along first direction, to be electrically connected with described first end line with one end and many that extend along second direction the first branch lines 1841,1842,1843,1844 parallel to each other, wherein, the other end of described first branch line 1841,1842,1843 all goes between with one described first and 186 to be electrically connected; Described crack detection main circuit circuit comprises the second end line 181 extended along first direction, to be electrically connected with described second end line with one end and extend along second direction many second branch lines 1821,1822,1823,1824 parallel to each other, the other end of described second branch line 1821,1822,1823 all goes between with one described second and 187 to be electrically connected; Wherein, described first branch line 1841,1842,1843,1844 is arranged with described second branch line 1821,1822,1823,1824 one_to_one corresponding respectively.
When cutting mother glass, suppose that actual cutting position 185 is positioned at a region of crack detection circuit auxiliary circuit, then do not cut off any first branch line 1841,1842,1843,1844 in crack detection circuit auxiliary circuit, then measure the resistance between the first lead-in wire 186 and the first branch line 1844, be less than preset resistance Rx.Suppose that the crackle that actual cutting position 185 produces is positioned at a-quadrant, then do not cut off any second branch line 1821,1822,1823,1824 in crack detection main circuit circuit, then measure the resistance between the second lead-in wire 187 and the second branch line 1824, be less than preset resistance Ry.Suppose that actual cutting position 185 is positioned at the b region of crack detection circuit auxiliary circuit, then cut off the first end line 183 and the first branch line 1841 in the b region in crack detection circuit auxiliary circuit, but other first branch line 1842,1843,1844 does not disconnect, when then measuring the resistance between the first lead-in wire 186 and the first branch line 1844, resistance value is less than preset resistance Rx1.Suppose that the crackle that actual cutting position 185 produces is positioned at B region, then cut off the second end line 181 and the second branch line 1821 in the B region in crack detection main circuit circuit, but other second branch line 1822,1823,1824 does not disconnect, measure the resistance between the second lead-in wire 187 and the second branch line 1824, be less than preset resistance Ry1.Suppose that actual cutting position 185 is positioned at the c region of crack detection circuit auxiliary circuit, then cut off the first end line 183 and the first branch line 1842 in the c region in crack detection circuit auxiliary circuit, but other first branch line 1843,1844 does not disconnect, when then measuring the resistance between the first lead-in wire 186 and the first branch line 1844, resistance value is less than preset resistance Rx2.Suppose that the crackle that actual cutting position 185 produces is positioned at C region, then cut off the second end line 181 and the second branch line 1821,1822 in the C region in crack detection main circuit circuit, but other second branch line 1823,1824 does not disconnect, measure the resistance between the second lead-in wire 187 and the second branch line 1824, be less than preset resistance Ry2.Suppose that actual cutting position 185 is positioned at the d region of crack detection circuit auxiliary circuit, then cut off the first end line 183 and the first branch line 1843 in the d region in crack detection circuit auxiliary circuit, when then measuring the resistance between the first lead-in wire 186 and the first branch line 1844, resistance value is infinitely great.Suppose that the crackle that actual cutting position 185 produces is positioned at D region, then cut off the second end line 181 and the second branch line 1821,1822,1823 in the D region in crack detection main circuit circuit, then measure the resistance between the second lead-in wire 187 and the second branch line 1824, resistance value is infinitely great.
In sum, in the embodiment of the present invention four, the resistance of the corresponding described crack detection circuit auxiliary circuit of different cutting position refers to following table:
Cutting position | Resistance between 186 and 1844 |
A region | <Rx |
B region | <Rx |
C region | <Rx |
D region | Infinitely great |
In the embodiment of the present invention four, the resistance of the corresponding described crack detection main circuit circuit of different crack position refers to following table:
Crack position | Resistance between 187 and 1824 |
A-quadrant | <Ry |
B region | <Ry1 |
C region | <Ry2 |
D region | Infinitely great |
In conjunction with crack detection circuit auxiliary circuit test judgement cutting position in the embodiment of the present invention two, the resistance difference according to above-mentioned crack detection main circuit circuit can judge crack position, and concrete result of determination refers to following table:
In embodiment four disclosed by the invention, be arranged on crack detection circuit auxiliary circuit in non-display area described in described display panel and crack detection main circuit circuit can be measured accurately to crackle Extendible Extent, and on the basis of embodiment one, simplify crack detection circuit auxiliary circuit and crack detection main circuit circuit, problematic display panel is made to pass through test, enter next intermediate links, improve product quality, avoid judging the display panel that described display panels is cisco unity malfunction by accident simultaneously, cause the waste of doing over again and repairing or scrapping.
Embodiment five
The embodiment of the present invention five additionally provides a kind of display device, and comprise the display panel that above-mentioned any embodiment describes, also comprise flexible circuit board, described flexible circuit board is electrically connected with described crack detection circuit auxiliary circuit and described crack detection main circuit circuit.The display device that the embodiment of the present invention five provides is arranged on crack detection circuit auxiliary circuit in non-display area described in described display panel and crack detection main circuit circuit can be measured respectively accurately to actual crack Extendible Extent, and on the basis of above-described embodiment, save the area of a part of display panel non-display area, be conducive to realizing narrow frame, and crack growth degree can be measured in display panel outside, can measure with other electrical testing simultaneously, save measuring process, problematic display panel is made to pass through test, enter next intermediate links, improve product quality, avoid judging the display panel that described display panels is cisco unity malfunction by accident simultaneously, cause the waste of doing over again and repairing or scrapping.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (14)
1. a display panel, comprising:
Viewing area and the non-display area arranged around viewing area;
Be arranged on the crack detection circuit in described non-display area, described crack detection circuit comprises crack detection circuit auxiliary circuit and crack detection main circuit circuit;
Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and one end is electrically connected with described first end line and many that extend along second direction the first branch lines parallel to each other;
Described crack detection main circuit circuit comprises the second end line extended along first direction, and one end be electrically connected with described second end line and extend along second direction many second branch lines parallel to each other;
Wherein, described first branch line is arranged with described second branch line one_to_one corresponding respectively.
2. display panel as claimed in claim 1, it is characterized in that, described crack detection circuit auxiliary circuit also comprises multiple first conducting strips that the first branch line other end described with many is respectively electrically connected, and described crack detection main circuit circuit also comprises multiple second conducting strips that the second branch line other end described with many is respectively electrically connected.
3. display panel as claimed in claim 2, it is characterized in that, described display panel comprises the first substrate and second substrate that are oppositely arranged, and described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged on the same substrate; Or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are separately positioned on two substrates; Or described crack detection circuit auxiliary circuit and described crack detection main circuit circuit are arranged for combination, are arranged on described first substrate and described second substrate simultaneously.
4. display panel as claimed in claim 1, is characterized in that, described crack detection circuit auxiliary circuit also comprises at least one the first lead-in wires, and described first lead-in wire extends along first direction, and at least described with two the first branch line is electrically connected.
5. display panel as claimed in claim 4, it is characterized in that, the other end of three described first branch lines all goes between with one described first and is electrically connected.
6. display panel as claimed in claim 4, is characterized in that, described crack detection main circuit circuit also comprises at least one the second lead-in wires, and described second lead-in wire extends along first direction, and at least described with two the second branch line is electrically connected.
7. display panel as claimed in claim 6, it is characterized in that, the other end of three described second branch lines all goes between with one described second and is electrically connected.
8. display panel as claimed in claim 1, is characterized in that, described first direction and described second direction orthogonal.
9. display panel as claimed in claim 1, it is characterized in that, described first end line, described first branch line, described second end line and described second branch line are arranged with layer.
10. display panel as claimed in claim 6, is characterized in that, described first end line, described first branch line, described first lead-in wire, described second end line, described second branch line and described second go between and to arrange with layer.
11. display panels as claimed in claim 6, is characterized in that, described first end line, described first branch line, described first lead-in wire, described second end line, described second branch line, described second lead-in wire are arranged with layer with the conductive layer in described display panel.
12. display panels as claimed in claim 1, is characterized in that, the second branch line described in the first branch line and/or at least one described at least one comprises the bending of at least one place.
13. 1 kinds of display device, is characterized in that, comprise display panel, and described display panel comprises:
Viewing area and the non-display area arranged around viewing area;
Be arranged on the crack detection circuit in described non-display area, described crack detection circuit comprises crack detection circuit auxiliary circuit and crack detection main circuit circuit.
Described crack detection circuit auxiliary circuit comprises the first end line extended along first direction, and is electrically connected with described first end line and many first branch lines extended along second direction;
Described crack detection main circuit circuit comprise along first direction extend the second end line, and be electrically connected with described second end line and extend along second direction many second branch lines;
Wherein, the first branch line described in every bar respectively with the second branch line one_to_one corresponding described in every bar.
14. display device as claimed in claim 9, is characterized in that, also comprise flexible circuit board, and described flexible circuit board is electrically connected with described crack detection circuit auxiliary circuit and described crack detection main circuit circuit.
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