CN101630075B - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN101630075B
CN101630075B CN2009101588325A CN200910158832A CN101630075B CN 101630075 B CN101630075 B CN 101630075B CN 2009101588325 A CN2009101588325 A CN 2009101588325A CN 200910158832 A CN200910158832 A CN 200910158832A CN 101630075 B CN101630075 B CN 101630075B
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display panel
line
backguy
line segment
those
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CN101630075A (en
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傅建豪
李敏勤
江明峰
黄峻维
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AU Optronics Corp
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AU Optronics Corp
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Abstract

The invention discloses a display panel and a display device. The display panel is provided with a display district, at least a fan-out district and an external circuit district, wherein the external circuit district is located at the periphery of the display district, and the fan-out district is located between the display district and the external circuit district. The display panel comprises a plurality of pixel structures and at least one pull wire group, wherein each pull wire group comprises a plurality of external connection pads, a plurality of internal nodes, a plurality of transit points, a plurality of main pull wires and a plurality of connection wires; and the main pull wires are arranged in the fan-out district and are connected among the transit points and the corresponding internal nodes. The space between any two adjacent external connection pads is CP1, the space between any two adjacent internal nodes is CP2, the space between any two adjacent transit points is PM, CP1 (max) is less than CP2 and more than or equal to PM, and PM is more than or equal to CP1 (min), wherein the CP1 (max) is the maximum of the CP1, and the CP1 (min) is the minimum of the CP1.

Description

Display panel and display device
Technical field
The invention relates to a kind of display panel and display device, and particularly about good display panel and the display device of a kind of impedance matching (Impedance matching).
Background technology
Because the high image resolution demand and the compactization trend of LCD, driving circuit structure packing technique on the display panels is gradually by crystal grain-circuit board joining technique (Chip On Board, COB) change the automatic coating technique of film (Tape Automated Bonding into, TAB), be evolved into (the Chip On Film of chip on the film that has little spacing (fine pitch) between the pin afterwards again, COF) joining technique and glass top chip joining technique (Chip On Glass, COG).Wherein, chip join technology and glass top chip joining technique belong to the encapsulation technology of multiway position (high pin count) on the film, it can reduce driving circuit itself and serial connection with the consumption of circuit board, so chip join technology and glass top chip joining technique become main flow trend gradually on the film.
Fig. 1 looks, reaches partly enlarged diagram on the part for a kind of display panel 100 of prior art.Please refer to Fig. 1, display panel 100 has viewing area 102, fanout area 104 and external circuits district 106.Have multi-strip scanning line 111, many data lines 121 and a plurality of dot structure 108 in the viewing area 102.Many data line 121 electrically connects with a plurality of internal nodes 123 that are positioned at viewing area 102.External circuits district 106 has a plurality of external connecting pads 132, and external connecting pads 132 can electrically connect by automatic coating technique of chip join technology and film on the film and chip for driving 130.External connecting pads 132 electrically connects with internal node 123, especially, can carry out impedance matching (impedance match) between lead with winding mode in fanout area 104 by metal level (not illustrating) between external connecting pads 132 and the internal node 123.
Generally speaking, in fanout area 104, wide more when the plain conductor width in the outside, more little at the plain conductor width of inboard, then the impedance matching meeting of plain conductor is good more.Yet, because the functional requirement of display panel 100 improves day by day, it is complicated that the design of chip for driving 130 is tending towards gradually, under the cost consideration that does not increase chip for driving 130 usage quantities, may need to increase the driver circuit number of each chip for driving 130, so, will cause the spacing CP of external connecting pads 132 to reduce.When the spacing CP of external connecting pads 132 be decreased to a certain degree, each other too near the time, external connecting pads 132 overlaps each other when forming easily and causes short circuit.
Therefore, how driver circuit be tending towards complicated in, still make lead keep good impedance matching, real a great problem for needing to be resolved hurrily.
Summary of the invention
The present invention proposes a kind of display panel, has good impedance matching.
The present invention proposes a kind of display device again, has above-mentioned display panel, still possesses good impedance matching in the time of can reducing in the spacing of chip for driving.
The present invention proposes a kind of display panel, has viewing area, at least one fanout area and external circuits district, and the external circuits district is positioned at the periphery, viewing area, and fanout area is between viewing area and external circuits district.Display panel comprises a plurality of dot structures and at least one stay wire groups.A plurality of dot structures are disposed in the viewing area, and each stay wire groups comprises a plurality of external connecting pads, a plurality of internal node, a plurality of transit point, many main drawing lines and many connecting lines.A plurality of external connecting pads are disposed in the external circuits district.A plurality of internal nodes are disposed in the viewing area, and a plurality of internal node is electrically connected to pairing a plurality of dot structure respectively.A plurality of transit points are disposed in the fanout area.Many main drawing line is disposed in the fanout area, is connected between a plurality of transit points and the pairing a plurality of internal node.Many connecting lines are disposed in the fanout area and are connected between corresponding transit point and the external connecting pads, spacing between the wherein wantonly two adjacent external connecting pads is CP1, spacing between the wantonly two adjacent internal nodes is CP2, spacing between the wantonly two adjacent transit points is PM, and CP2>CP1 (max) 〉=PM 〉=CP1 (min), CP1 (max) is the maximal value of CP1, and CP1 (min) is the minimum value of CP1.
In one of the present invention embodiment, above-mentioned display panel, wherein 20 μ m<PM<40 μ m.
In one of the present invention embodiment, above-mentioned display panel, the bee-line between wherein a plurality of external connecting pads and a plurality of transit point is Ha, and 50 μ m<Ha<1000 μ m.
In one of the present invention embodiment, above-mentioned display panel, wherein the live width of each main drawing line is between 5 μ m to 10 μ m.
In one of the present invention embodiment, above-mentioned display panel, wherein each transit point comprises contact hole.
In one of the present invention embodiment, above-mentioned display panel is wherein in each stay wire groups, a plurality of external connecting pads are along first line spread, a plurality of internal nodes are along second line spread, and a plurality of transit points are along the 3rd line spread, and first straight line, second straight line and the 3rd straight line are parallel to each other.
In one of the present invention embodiment, above-mentioned display panel, wherein PM is a definite value.
In one of the present invention embodiment, above-mentioned display panel, wherein CP2 is a definite value.
In one of the present invention embodiment, above-mentioned display panel, wherein each connecting line comprises that two connect line segment and a connected node, wherein, article one, an end that connects line segment is connected to the end that another connects line segment by connected node, so that many connect the line segment serial connection and form connecting line.
In one of the present invention embodiment, above-mentioned display panel, the spacing between the wherein wantonly two adjacent connected nodes is PJ, and CP2>CP1 (max) 〉=PM 〉=PJ 〉=CP1 (min).
In one of the present invention embodiment, above-mentioned display panel, wherein PJ is a definite value.
In one of the present invention embodiment, above-mentioned display panel, wherein each main drawing line comprises two backguy line segments and a backguy node, wherein, article one, an end of backguy line segment is connected to an end of another backguy line segment by the backguy node, so that many backguy line segments serial connections form main drawing lines.
In one of the present invention embodiment, above-mentioned display panel, the spacing between the wherein wantonly two adjacent backguy nodes is PJ, and CP2>CP1 (max) 〉=PJ 〉=PM 〉=CP1 (min).
In one of the present invention embodiment, above-mentioned display panel, wherein each main drawing line is a single layer structure.
In one of the present invention embodiment, above-mentioned display panel, wherein each main drawing line is a sandwich construction.
In one of the present invention embodiment, above-mentioned display panel, wherein each main drawing line comprises the Curved Continuous broken line.
In one of the present invention embodiment, above-mentioned display panel, wherein the length of many main drawing lines in each stay wire groups is that middle section by stay wire groups successively decreases towards both sides.
In one of the present invention embodiment, above-mentioned display panel, wherein the width of many main drawing lines in each stay wire groups is that middle section by stay wire groups increases progressively towards both sides.
In one of the present invention embodiment, above-mentioned display panel, wherein each connecting line is a single layer structure.
In one of the present invention embodiment, above-mentioned display panel, wherein each connecting line is a sandwich construction.
The present invention proposes a kind of display device again, comprises above-mentioned display panel and at least one driving element.Driving element is electrically connected between a plurality of external connecting pads of corresponding display panel.
In one of the present invention embodiment, above-mentioned driving element comprises winding carrier encapsulating structure (tapecarrier package, chip (chip-on-film, COF) encapsulating structure TCP) or on the film.
In one of the present invention embodiment, above-mentioned display panel is a display panels.
Based on above-mentioned, because display panel of the present invention can utilize the connecting line design of single or multiple lift structure, after the wire pitch of chip for driving is relaxed, carry out the adjustment of impedance again by main drawing line, therefore can obtain good impedance matching.Because display device of the present invention has above-mentioned display panel, still possess good impedance matching in the time of therefore can reducing, the impedance adjustment has more elasticity in the spacing of driving element.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 looks, reaches partly enlarged diagram on the part for a kind of display panel of prior art;
Fig. 2 is the synoptic diagram of the display device of the embodiment of the invention;
Fig. 3 looks synoptic diagram on the stay wire groups of display panel;
Fig. 4 is for looking synoptic diagram on the stay wire groups;
Fig. 5 is near the local enlarged diagram of looking on the stay wire groups of an embodiment synoptic diagram and the connected node;
Fig. 6 is for looking near the local enlarged diagram of synoptic diagram and connected node on the stay wire groups of another embodiment;
Fig. 7 looks synoptic diagram on the stay wire groups of one embodiment, and near the local enlarged diagram transit point and the backguy node;
Fig. 8 looks synoptic diagram on the stay wire groups of another embodiment, and near the local enlarged diagram the transit point.
Wherein Reference numeral is:
100,200: display panel
102,202: the viewing area
104,204: fanout area
106,206: the external circuits district
108,210: dot structure
111: sweep trace
121: data line
220,320,420: stay wire groups
204: fanout area
132,222: external connecting pads
123,224: internal node
130,530: chip for driving
226: transit point
232,332: main drawing line
232a: Curved Continuous broken line
332b, 332c: backguy line segment
332d: backguy node
234,334: connecting line
334a, 334b: connect line segment
334c: connected node
520: driving element
L1: first straight line
L2: second straight line
L3: the 3rd straight line
CP: the spacing of external connecting pads
CP1: the spacing between the wantonly two adjacent external connecting pads
CP1 (max): the maximal value of CP1
CP1 (min): the minimum value of CP1
CP2: the spacing between the wantonly two adjacent internal nodes
PM: the spacing between the wantonly two adjacent transit points
PJ: the spacing between the spacing between the wantonly two adjacent connected nodes, the wantonly two adjacent backguy nodes
Ha: the bee-line between external connecting pads and a plurality of transit point
Hb: the height in backguy zone
Embodiment
Fig. 2 is the synoptic diagram of the display device 500 of the embodiment of the invention.Please refer to Fig. 2, display device 500 comprises display panel 200 and at least one driving element 520.Display panel 200 is a display panels for example, and driving element 520 is electrically connected at a plurality of external connecting pads 222 of corresponding display panel 200, and wherein driving element 520 has chip for driving 530.In the present embodiment, driving element 520 for example is that (driving element 520 electrically connects with circuit board 510 the winding carrier for tape carrier package, TCP) encapsulating structure, and display device 500 more comprises circuit board 510.And in another embodiment, driving element 520 also can be (chip-on-film, COF) encapsulating structure of chip on the film.
Be noted that the present invention does not limit the mode that electrically connects between chip for driving and display panel, the driving element 520 of above-mentioned display device 500 is not in order to restriction the present invention only for illustrating.
Fig. 3 looks synoptic diagram on the stay wire groups 220 of display panel 200.Please refer to Fig. 2 and Fig. 3, with display device 500 is example, and wherein, display panel 200 has viewing area 202, at least one fanout area 204 and external circuits district 206, external circuits district 206 is positioned at 202 peripheries, viewing area, and fanout area 204 is between viewing area 202 and external circuits district 206.
Display panel 200 comprises a plurality of dot structures 210 and at least one stay wire groups 220.A plurality of dot structures 210 are disposed in the viewing area 202, and each stay wire groups 220 comprises a plurality of external connecting pads 222, a plurality of internal node 224, a plurality of transit point 226, many main drawing lines 232 and many connecting lines 234.
Specifically, a plurality of external connecting pads 222 are disposed in the external circuits district 206, and a plurality of external connecting pads 222 is to arrange along the first straight line L1.A plurality of internal nodes 224 are disposed in the viewing area 202, arrange along the second straight line L2, and a plurality of internal node 224 are electrically connected to pairing a plurality of dot structure 210 respectively.
A plurality of transit points 226, many main drawing lines 232 and many connecting lines 234 all are disposed in the fanout area 204.
A plurality of transit points 226 are arranged along the 3rd straight line L3, and each transit point 226 can comprise a contact hole (not illustrating).Be noted that herein that when main drawing line 232 is the metallic circuit layout (layout) of different layers with connecting line 234 main drawing line 232 can electrically connect by the contact hole and the connecting line 234 at transit point 226 places.This area has knows the knowledgeable usually, when the setting that can understand above-mentioned contact hole, and the electric connection mode of contact hole and main drawing line 232, connecting line 234, does not repeat them here.
In the present embodiment, because the above-mentioned first straight line L1, the second straight line L2 and the 3rd straight line L3 are parallel to each other, therefore the orientation of a plurality of external connecting pads 222, a plurality of internal node 224 and a plurality of transit point 226 is parallel to each other.
Further, many main drawing lines 232 are connected between a plurality of transit points 226 and the pairing a plurality of internal node 224, and in the present embodiment, the live width of each main drawing line 232 is between 5 μ m to 10 μ m.
In the present embodiment, each connecting line 234 is connected between corresponding transit point 226 and the external connecting pads 222, wherein, spacing between the wantonly two adjacent external connecting pads 222 is CP1, spacing between the wantonly two adjacent internal nodes 224 is CP2, and the spacing between the wantonly two adjacent transit points 226 is PM.
Be stressed that especially, in the present embodiment, CP2>CP1 (max) 〉=PM 〉=CP1 (min), wherein, CP1 (max) is the maximal value of CP1, and CP1 (min) is the minimum value of CP1.
For example, in display panel 200, spacing PM between the wantonly two adjacent transit points 226 for example be between 20 μ m to 40 μ m, and the bee-line between a plurality of external connecting pads 222 and a plurality of transit point 226 for example is Ha, and this bee-line Ha for example is to 1000 μ m between 50 μ m.
In addition, in the present embodiment, the spacing CP2 between spacing PM between the wantonly two adjacent transit points 226 and the wantonly two adjacent internal nodes 224 is all definite value, but the invention is not restricted to this.In other embodiments, spacing CP2 between spacing PM between the wantonly two adjacent transit points 226 or the wantonly two adjacent internal nodes 224 can not be a definite value, or wantonly two between the adjacent transit point 226 spacing PM and all non-definite value of spacing CP2 between the wantonly two adjacent internal nodes 224, can adjust to the spacing CP2 between the internal node 224 of diverse location according to actual demand.
In addition, what deserves to be mentioned is that for making the impedance matching optimization of display panel 200 and 530 each leads of chip for driving, each main drawing line 232 on the display panel 200 can have Curved Continuous broken line 232a, and each main drawing line 232 is a sandwich construction.In the present embodiment, the length of many main drawing lines 232 in each stay wire groups 220 is that the middle section by stay wire groups 220 successively decreases towards both sides, in fact, for example can be by the lead topological design of multiple layer metal layer, the Curved Continuous broken line 232a of main drawing line 232 is embedded in the sandwich construction of display panel 200, so that main drawing line 232 has more elasticity in layout (layout) design.And on display panel 200, the width of many main drawing lines 232 in each stay wire groups 220 is that the middle section by stay wire groups 220 increases progressively towards both sides, and this design can make impedance matching better.
In the present embodiment, though at the bee-line Ha between external connecting pads 222 and the transit point 226, must be on display panel 200 headspace, but in fact, because the impedance adjustment between display panel 200 and the chip for driving 530 can use above-mentioned Curved Continuous broken line 232a to carry out in the 204b of backguy zone with the winding mode of sandwich construction, and in regional 204b, wantonly two adjacent transit point 226 spacing PM can be greater than CP1 (min), therefore, in the 204b of backguy zone, can use less/short Curved Continuous broken line 232a and obtain good impedance adjustment.That is to say that the height H b that can reduce backguy zone 204b is to save fanout area 204 usable floor areas of display panel 200.
The design of sandwich construction, length and width by above-mentioned many main drawing lines 232, display panel 200 can obtain good impedance matching.Yet only for illustrating, the present invention does not limit the configuration modes such as structure, length or width of main drawing line to above-mentioned display panel 200, and this area has knows the knowledgeable usually, designs different configuration modes when visual its needs.
Be stressed that, in the present embodiment, though the wire pitch of chip for driving 530 may reduce gradually along with product needed, but because stay wire groups 220 can be utilized the design of connecting line 234, after the wire pitch of chip for driving 530 is relaxed, carry out impedance matching by main drawing line 232 again, therefore can be polynary and high resilience in the lead impedance adjustment mode of 530 of display panel 200 and chip for driving, and the display device 500 with display panel 200 can have good impedance matching.
Fig. 4 is for looking synoptic diagram on the stay wire groups 320.Please refer to Fig. 2 and Fig. 4, in another embodiment of the present invention, the stay wire groups of display panel 200 is except can being the stay wire groups 220 shown in Figure 3, it also can be stay wire groups 320 shown in Figure 4, wherein, identical member is represented with identical label, is repeated no more herein.
Be noted that in stay wire groups 320 each connecting line 334 can be to be formed by a plurality of connection line segment serial connections.As shown in Figure 4, each connecting line 334 can comprise connection line segment 334a, connect line segment 334b and a connected node 334c, wherein, article one, an end that connects line segment 334a is connected to the end that another connects line segment 334b by connected node 334c, so that connect line segment 334a and be connected line segment 334b serial connection formation connecting line 334.
In the present embodiment, the spacing between the wantonly two adjacent connected node 334c is PJ, and CP2>CP1 (max) 〉=PM 〉=PJ 〉=CP1 (min).Particularly, in the present embodiment, the spacing PJ between the wantonly two adjacent connected node 334c is a definite value, but the invention is not restricted to this, and in other embodiments, the spacing PJ between the wantonly two adjacent connected node 334c can not be a definite value also.
Here be stressed that, stay wire groups 320 and stay wire groups 220 shown in Figure 3 shown in Figure 4, its difference is, because the connecting line 334 of stay wire groups 320 is formed by connecting line segment 334a and connecting line segment 334b, be connected the lead topological design that line segment can be different layers with 334b and connect line segment 334a, so the topological design of stay wire groups 320 can have more elasticity.
Fig. 5 is near the local enlarged diagram of looking on the stay wire groups 320 of an embodiment synoptic diagram and the connected node 334c.Please refer to Fig. 5, in the present embodiment, the connection line segment 334a at connected node 334c two ends for example is same metal level with being connected line segment 334b, and the connection line segment 334b at transit point 226 two ends and main drawing line 232 also are same metal level, at this moment, connected node 334c only is the confluce of different line segments with transit point 226.That is to say that connecting line segment 334a, connection line segment 334b and main drawing line 232 can be the single layer structure that is made of same metal level.Perhaps, in another embodiment, connecting line segment 334a, connection line segment 334b and main drawing line 232 can be respectively the sandwich construction that is made of two-layer above metal level, wherein, connected node 334c is for connection line segment 334a and be connected the confluce of line segment 334b in same metal level, and transit point 226 is for connecting line segment 334b and the confluce of main drawing line 232 in same metal level.
In another embodiment shown in Figure 6, when the connection line segment 334a at connected node 334c two ends be connected line segment 334b, or the connection line segment 334b at transit point 226 two ends and main drawing line 232 are not when being made of same metal level, for example can on the position of connected node 334c or transit point 226, through hole TH be set, so that connect line segment 334a, connection line segment 334b and main drawing line 232 electric connections.
For instance, in one embodiment, connecting line segment 334a is the single layer structure that the first metal layer constituted, and is all the sandwich construction that the first metal layer and second metal level are constituted and connect line segment 334b and main drawing line 232.When connection line segment 334a is the different metal layer with the confluce that is connected line segment 334b, for example through hole TH can be set on connected node 334c, electrically connect so that connect line segment 334a and be connected line segment 334b.Perhaps, in another embodiment, connect line segment 334a and be the single layer structure that the first metal layer constitutes, and main drawing line 232 is the sandwich construction that the first metal layer and second metal level are constituted with being connected line segment 334b.When the confluce that connects line segment 334b and main drawing line 232 is the different metal layer, for example through hole TH can be set on transit point 226, so that connect line segment 334b and main drawing line 232 electric connections.
In part embodiment, connecting line segment 334a is the single layer structure that the first metal layer constituted, and connection line segment 334b and main drawing line 232 are the single layer structure that second metal level is constituted.At this moment, for example through hole TH can be set on connected node 334c, so that connect line segment 334a and be connected line segment 334b electric connection.In addition, in part embodiment, connect line segment 334a and be the single layer structure that the first metal layer constitutes, and main drawing line 232 is the single layer structure that second metal level is constituted with being connected line segment 334b.At this moment, for example through hole TH can be set on transit point 226, so that connect line segment 334b and main drawing line 232 electric connections.
On the other hand, except connecting line can be made up of a plurality of line segments, main drawing line equally also can be to be formed by a plurality of line segment serial connections.For example, the stay wire groups of display panel 200 can also be a stay wire groups 420 shown in Figure 7, and wherein, identical member is represented with identical label, repeated no more herein.
The main drawing line 432 of stay wire groups 420 comprises backguy line segment 432a, backguy line segment 434b and backguy node 432c, wherein backguy line segment 432a one end forms main drawing line 432 by the end that backguy node 432c is connected to backguy line segment 432b so that backguy line segment 432a, backguy line segment 434b are connected in series.Backguy line segment 432 and backguy line segment 434 also can be the cabling topological design of single or multiple lift, so that the layout type of stay wire groups is more polynary.
Please refer to Fig. 7, for example, in one embodiment, connecting line 234, backguy line segment 432a and backguy line segment 432b are same metal level, and at this moment, backguy node 432c and transit point 226 only are line segment turnover intersection part.In another embodiment, connecting line 234, backguy line segment 432a and backguy line segment 432b are the sandwich construction that two-layer above metal level constitutes.Wherein, be same metal level at the connecting line 234 and the backguy line segment 432a of transit point 226 intersections, and be same metal level at the backguy line segment 432a and the backguy line segment 432b of backguy node 432c intersection.At this moment, backguy node 432c and transit point 226 also only are line segment turnover intersection part.
Similarly, in part embodiment, when connecting line 234, backguy line segment 432a and backguy line segment 432b are not when being made of same metal level, for example can on the position of backguy node 432c or transit point 226, through hole TH be set, so that backguy line segment 432a, backguy line segment 432b and connecting line 234 electric connections, as shown in Figure 8.For instance, connecting line 234 is the single layer structure that the first metal layer constituted, and backguy line segment 432a and backguy line segment 432b are the sandwich construction that the first metal layer and second metal level are constituted.When connecting line 234 and backguy line segment 432a confluce are the different metal layer, through hole TH can be set, on transit point 226 so that connecting line 234 electrically connects with backguy line segment 432a.
Be stressed that, stay wire groups 320 in the foregoing description and stay wire groups 420 are only for illustrating, the present invention does not limit the line segment quantity of connection line segment in the stay wire groups and the line segment quantity and the structure of structure or backguy line segment, this area has knows the knowledgeable usually, when designing different configuration modes according to its needs.
In sum, because display panel of the present invention can be by the design of transit point and tie, the impedance of driver circuit is adjusted in broad place, so the impedance adjustment between each driver circuit can have more elasticity, display panel can obtain good impedance matching and space utilization.In addition, because display device of the present invention has above-mentioned display panel, therefore still can possess good impedance matching when the pitch of chip for driving reduces, the design of chip for driving also more is not restricted.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (17)

1. a display panel has a viewing area, at least one fanout area and an external circuits district, and this external circuits district is positioned at this periphery, viewing area, and this fanout area is characterized in that between this viewing area and this external circuits district, and this display panel comprises:
A plurality of dot structures are disposed in this viewing area;
At least one stay wire groups, each stay wire groups comprises:
A plurality of external connecting pads are disposed in this external circuits district, and the spacing between the wherein wantonly two adjacent external connecting pads is CP1, and CP1 (max) is the maximal value of CP1, and CP1 (min) is the minimum value of CP1;
A plurality of internal nodes are disposed in this viewing area, and those internal nodes are electrically connected to pairing those dot structures respectively, and the spacing between the wherein wantonly two adjacent internal nodes is CP2;
A plurality of transit points are disposed in this fanout area, and the spacing between the wherein wantonly two adjacent transit points is PM, and CP2>CP1 (max) 〉=PM 〉=CP1 (min);
Many main drawing lines are disposed in this fanout area, are connected between those transit points and pairing those internal nodes; And
Many connecting lines are disposed in this fanout area, and are connected between corresponding this transit point and this external connecting pads.
2. display panel as claimed in claim 1 is characterized in that, 20 μ m<PM<40 μ m, and wherein the bee-line between those external connecting pads and those transit points is Ha, and 50 μ m<Ha<1000 μ m.
3. display panel as claimed in claim 1 is characterized in that, the live width of each main drawing line is between 5 μ m to 10 μ m.
4. display panel as claimed in claim 1 is characterized in that each transit point comprises a contact hole.
5. display panel as claimed in claim 1, it is characterized in that, in each stay wire groups, those external connecting pads are along one first line spread, those internal nodes are along one second line spread, those transit points are along one the 3rd line spread, and this first straight line, this second straight line and the 3rd straight line are parallel to each other.
6. display panel as claimed in claim 1 is characterized in that PM is a definite value, it is characterized in that, CP2 is a definite value.
7. display panel as claimed in claim 1 is characterized in that, each connecting line comprises:
Two connect line segment; And
One connected node, wherein an end that connects line segment is connected to the end that another connects line segment by this connected node, so that connecting the line segment serial connection, those form this connecting line, spacing between the wherein wantonly two adjacent connected nodes is PJ, and CP2>CP1 (max) 〉=PM 〉=PJ 〉=CP1 (min), wherein PJ is a definite value.
8. display panel as claimed in claim 1 is characterized in that, each main drawing line comprises:
Two backguy line segments; And
One backguy node, wherein an end of a backguy line segment is connected to an end of another backguy line segment by this backguy node, so that those backguy line segments serial connection forms these main drawing lines, the spacing between the wherein wantonly two adjacent backguy nodes is PJ, and CP2>CP1 (max) 〉=PJ 〉=PM 〉=CP1 (min).
9. display panel as claimed in claim 1 is characterized in that, each main drawing line is a single layer structure.
10. display panel as claimed in claim 1 is characterized in that, each main drawing line is a sandwich construction.
11. display panel as claimed in claim 1 is characterized in that, each main drawing line comprises a Curved Continuous broken line.
12. display panel as claimed in claim 1 is characterized in that, the length of those main drawing lines in each stay wire groups is that the middle section by this stay wire groups successively decreases towards both sides.
13. display panel as claimed in claim 1 is characterized in that, the width of those main drawing lines in each stay wire groups is that the middle section by this stay wire groups increases progressively towards both sides.
14. display panel as claimed in claim 1 is characterized in that, each connecting line is a single layer structure.
15. display panel as claimed in claim 1 is characterized in that, each connecting line is a sandwich construction.
16. a display device is characterized in that, comprising:
Display panel as claimed in claim 1; And
At least one driving element is electrically connected at those external connecting pads of this display panel accordingly.
17. display device as claimed in claim 16 is characterized in that, this driving element comprises chip-packaging structure on a winding carrier encapsulating structure or the film.
CN2009101588325A 2009-07-08 2009-07-08 Display panel and display device Active CN101630075B (en)

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CN2009101588325A CN101630075B (en) 2009-07-08 2009-07-08 Display panel and display device

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Application Number Priority Date Filing Date Title
CN2009101588325A CN101630075B (en) 2009-07-08 2009-07-08 Display panel and display device

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CN101630075A CN101630075A (en) 2010-01-20
CN101630075B true CN101630075B (en) 2011-05-04

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CN106297623B (en) * 2015-06-10 2019-11-01 群创光电股份有限公司 Fan-out circuit and the display device for applying it
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CN105867041B (en) * 2016-06-24 2019-05-07 武汉华星光电技术有限公司 A kind of array substrate and liquid crystal display
JP2019533200A (en) * 2016-12-30 2019-11-14 深▲セン▼市柔宇科技有限公司Shenzhen Royole Technologies Co.,Ltd. Display panel
CN106548757A (en) * 2017-01-10 2017-03-29 深圳市华星光电技术有限公司 A kind of drive circuit and display device
CN107479275B (en) * 2017-08-08 2021-04-02 惠科股份有限公司 Display panel and display device
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