CN100448018C - Displaying panel of display device - Google Patents
Displaying panel of display device Download PDFInfo
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- CN100448018C CN100448018C CNB2006100981455A CN200610098145A CN100448018C CN 100448018 C CN100448018 C CN 100448018C CN B2006100981455 A CNB2006100981455 A CN B2006100981455A CN 200610098145 A CN200610098145 A CN 200610098145A CN 100448018 C CN100448018 C CN 100448018C
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Abstract
A display face plate consists of multiple electrode, multiple electrode lead wire set, auxiliary electrodes covered on said lead wire sets. It is featured as setting radio of area on said auxiliary electrode at longer electrode lead wire in at least one electrode lead wire set among multiple electrode lead wire set to area of electrode lead wire to be greater than radio of area on said auxiliary electrode at shorter electrode lead wire to area of electrode lead wire and increasing said radio gradually in following increase of electrode lead wire length.
Description
Technical field
The present invention relates to a kind of display floater of display unit, relate in particular to the display floater of organic light-emitting display device.
Background technology
Negative electrode in the display floater of present organic light-emitting display device, two kinds of materials of the general use of anode tap, first kind of material is the main electrode as ground floor, zinc-tin oxide (ITO) normally, second kind of material is the auxiliary electrode as the second layer, can be chromium, molybdenum etc., no matter be anode tap or cathode leg, because it is different with the wire length of driving to connect respective electrode, for the resistance that makes lead-in wire reaches unanimity, guarantee the uniformity of display effect, the general width that increases the bigger lead-in wire of length that adopts, reached the purpose that reduces its resistance, as shown in Figure 1, in the design in one group of every increase lead-in wire the width of a lead-in wire just increased the overall width of this group lead-in wire, and then increased whole lead-in wire area occupied, and to cause zone beyond the display floater screen body not do narrow, and this has just limited organic light-emitting display device in many application that display floater screen body size and lead district domain sizes had the field of strict demand.Because the lead-in wire live width can not be done widely, even adjust the lead resistance of different length by changing the lead-in wire live width, it is identical also to be difficult to reach resistance, thereby influences display effect in addition.
Chinese invention patent (publication number: CN1451994A, open day: on October 29th, 2003) disclose the scheme that a kind of display panels shortens panel lead-in wire region area, on the viewing area, be furnished with electrode wires, lead district is furnished with guide wire, wherein the part guide wire directly is connected with the partial electrode line, another part guide wire is by the conductive materials in the upper and lower substrate peripheral rim glue and another part electrode wires conduction, the guide wire and the electrode wires that are distributed in different substrate can be conducted electricity, with reduction panel non-display area area by frame glue.This scheme is for organic light emitting display field and inapplicable.
Technical scheme
The object of the present invention is to provide a kind of display floater of display unit, can effectively reduce the regional percentage that goes between beyond the display floater luminous zone,, increase show uniformity simultaneously to reduce the area of integral panels module.
For achieving the above object, the present invention adopts following technical scheme (the contact conductor area refers to the surface area of contact conductor among the present invention):
A kind of display floater of display unit, comprise plurality of electrodes, the a plurality of contact conductor groups that are connected with plurality of electrodes, be coated with auxiliary electrode on the contact conductor of described a plurality of contact conductor groups, the area that it is characterized in that covering on length is long at least one group of contact conductor of a plurality of contact conductor groups the contact conductor auxiliary electrode and the ratio of this contact conductor area are greater than the area of covering auxiliary electrode and the ratio of this contact conductor area on the short contact conductor of length, make that the resistance of the contact conductor that covers auxiliary electrode at least one group of contact conductor of described a plurality of contact conductor groups is identical or close, and at least one group of contact conductor of a plurality of contact conductor groups all contact conductors not cover the wire length of auxiliary electrode part inequality.
In the display floater of above-mentioned display unit, a plurality of contact conductor groups can be the areas that wherein cover auxiliary electrode in one group of contact conductor on the contact conductor and the ratio of this contact conductor area increases gradually along with the increase of contact conductor length, also can be in a plurality of or whole contact conductor groups on every group the contact conductor area of covering auxiliary electrode and the ratio of this contact conductor area increase along with the increase of contact conductor length.
In the display floater of above-mentioned display unit, a plurality of contact conductor groups can be wherein in one group of contact conductor short leg do not cover auxiliary electrode, long lead all covers auxiliary electrode, and the ratio that length covers the area of auxiliary electrode and this contact conductor area at the lead-in wire between the shortest and the longest successively from low to high; Also can be that every group of short leg do not cover auxiliary electrode in a plurality of or whole contact conductor groups, long lead all covers auxiliary electrode, and the ratio that length covers the area of auxiliary electrode and this wiring area at the lead-in wire between the shortest and the longest successively from low to high.
In the display floater of above-mentioned display unit, a plurality of contact conductor groups can be that wherein the lead-in wire live width in one group of contact conductor is identical, also can be that every group of lead-in wire live width is identical in a plurality of or whole contact conductor groups.
In the display floater of above-mentioned display unit, a plurality of contact conductor groups can be that wherein to cover the resistance of contact conductor of auxiliary electrode in one group of contact conductor identical or close, also can be that to cover the resistance of contact conductor of auxiliary electrode in every group of contact conductor of a plurality of or whole contact conductor groups identical or close, promptly identical the or maximum resistance of resistance be that the multiple of minimum resistance is less than 1.5 times.
A kind of display floater of organic light-emitting display device, comprise a plurality of cathode electrodes, a plurality of anode electrodes, and the cathode leg group that is connected with a plurality of cathode electrodes, the anode tap group that is connected with a plurality of anode electrodes, be coated with auxiliary electrode on the contact conductor of described cathode leg group and anode tap group, the area that it is characterized in that covering on length is long at least one group of contact conductor of cathode leg group and anode tap group the contact conductor auxiliary electrode and the ratio of this contact conductor area are greater than the area of covering auxiliary electrode and the ratio of this contact conductor area on the short contact conductor of length, make that the resistance of the contact conductor that covers auxiliary electrode at least one group of contact conductor of described cathode leg group and anode tap group is identical or close, and at least one group of contact conductor of cathode leg group and anode tap group all contact conductors not cover auxiliary electrode wire length partly inequality.
In the display floater of above-mentioned organic light-emitting display device, at least one group the contact conductor of cathode leg group and anode tap group or all ratio increases gradually that covers area with this contact conductor area of auxiliary electrode on every group of contact conductor in the lead wire set along with the increase of contact conductor length.
In the display floater of above-mentioned organic light-emitting display device, in at least one group the contact conductor of cathode leg group and anode tap group or all short leg does not cover auxiliary electrode in every group of contact conductor of lead wire set, long lead all covers auxiliary electrode, and the ratio that length covers the area of auxiliary electrode and this wiring area at the lead-in wire between the shortest and the longest successively from low to high.
In the display floater of above-mentioned organic light-emitting display device, at least one group the contact conductor of cathode leg group and anode tap group or all the lead-in wire live width in every group of contact conductor of lead wire set is identical.
In the display floater of above-mentioned organic light-emitting display device, the resistance of contact conductor that at least one group the contact conductor of cathode leg group and anode tap group or all covers auxiliary electrode in every group of contact conductor of lead wire set is identical or close, and promptly identical the or maximum resistance of resistance is that the multiple of minimum resistance is less than 1.5 times.
In the display floater of above-mentioned organic light-emitting display device, the contact conductor region area accounts for the ratio of display panel areas area less than 30%.
In the display floater of above-mentioned organic light-emitting display device, auxiliary electrode can be chromium, molybdenum, copper, silver or molybdenum/aluminium/molybdenum lamination electricity level.
The present invention is by adopting technique scheme, to cover the larger area auxiliary electrode than long lead in the lead-in wire zone of display floater, than the auxiliary electrode of short leg covering than small size, the ratio that the lead-in wire of length between the shortest and the longest covers the area of auxiliary electrode and this wiring area according to wire length successively from low to high, realize that by the adjusting and the area of the auxiliary electrode of wire bond lead resistance is identical or close in each group like this, just can adopt conventional method to regulate each lead resistance by increase than the live width of long lead reaches unanimity, the lead-in wire of different length can be selected identical less lead-in wire live width, thereby reaches the effect that reduces the non-display area area.The present invention is by selectively designing the distribution of auxiliary electrode, not increasing under any condition of cost, both reached resistance characteristic preferably, make the lead-in wire live width to increase again, improved the uniformity that shows simultaneously, so the present invention has good practical value.
Description of drawings
Organic light-emitting display device display floater pin configuration schematic diagram in Fig. 1 prior art
Viewing area 11 cathode electrodes, 12 anode electrodes, 13 cathode leg groups, 14 anode tap groups 15
Fig. 2 organic light-emitting display device display floater of the present invention pin configuration schematic diagram
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Be organic light-emitting display device display floater pin configuration schematic diagram of the present invention as shown in Figure 2, viewing area 21 outer cathode leg groups 24 are connected with cathode electrode 22, other end access control unit, anode tap group 25 is connected with anode electrode 23, other end access control unit, the cathode leg live width that is arranged in parallel in two groups of cathode leg groups 24 is identical as seen from the figure, the anode tap live width that is arranged in parallel in one group of anode tap group 25 is identical, and the shortest cathode leg 26 in each lead wire set, the shortest anode tap 28 does not cover auxiliary electrode, the longest cathode leg 27, the longest anode tap 29 all covers auxiliary electrode, the ratio that the lead-in wire of length between the shortest cathode leg 26 and the longest cathode leg 27 covers the area of auxiliary electrode and this wiring area along with the increase of wire length successively from low to high, identical or close to reach all cathode leg resistance, the ratio that the lead-in wire of length between the shortest anode tap 28 and the longest anode tap 29 covers the area of auxiliary electrode and this wiring area along with the increase of wire length successively from low to high, identical or close to reach all anode tap resistance, wherein the live width of the live width of two groups of cathode legs and one group of anode tap can be identical or different.With Fig. 2 and Fig. 1 more as can be seen because the reduction of lead-in wire live width makes the lead-in wire region area obviously reduce.
In the making of above-mentioned display floater, the substrate that uses is generally glass single side surface sputter layer of transparent electrode, for example adopt the ITO electrode usually, sputter one deck auxiliary electrode again, can select chromium, molybdenum, copper, metals such as aluminium are as auxiliary electrode, width and length according to selected lead-in wire, and transparency electrode, the resistances of auxiliary electrode etc. are according to the computational methods of conventional lead resistance, calculate to making the resistance that goes between in anode tap group or the cathode leg group identical or close, width is identical, cover the area of auxiliary electrode on the different every lead-in wire of length, according to aforementioned calculation numerical value, make the required mask plate of auxiliary electrode, and make the required figure of auxiliary electrode by lithography by mask plate, afterwards, make the required mask plate of transparency electrode, and make the transparency electrode figure by lithography, finish contact conductor and make by mask plate.
Below for two concrete examples.
The long lead of general passive organic light-emitting display device differs greatly with short leg length, because the increase of lead-in wire live width, the area of display floater non-luminous region also increases thereupon, for example, passive organic light emitting display for 128 * 160, the longest cathode leg length is 36mm, the shortest cathode leg length is 4mm, if require 80 cathode leg overall widths less than 2mm, realize that by changing the lead-in wire live width it is very difficult that resistance reaches unanimity according to prior art, because be subjected in the preparation process restriction of lead-in wire gap more than or equal to 10um, 80 lead-in wires are arranged the lead-in wire peak width that obtains 2mm, and long lead live width can only be 20um; Short leg live width 10um, and this moment, long lead resistance was 4.5 times of short leg resistance, such resistance difference is difficult to satisfy the needs of show uniformity.If the resistance difference that makes long lead and short leg is apart from 1 times, above-mentioned lead-in wire overall width needs 3mm, if resistance is equated, then above-mentioned lead-in wire overall width needs 4.8mm.
If employing technical solution of the present invention, the live width of all cathode legs is set in 15um, the shortest cathode leg surface does not cover auxiliary electrode, the longest cathode leg surface all covers auxiliary electrode, two lead resistances are identical, and calculate to making resistance identical by conventional lead resistance computational methods, the wire surface of the different length of length between the shortest and the longest covers the area numerical value of auxiliary electrode, carry out the preparation of auxiliary electrode according to this numerical value, just can satisfy under the identical situation of all cathode leg resistance, make the total live width of contact conductor be no more than the scope of 2mm.
Also can adjust electrode resistance for the anode tap group equally, when reducing the lead-in wire region area, obtain the uniform display effect that resistance reaches unanimity by auxiliary electrode.For example, passive organic light emitting display for 128 * 64, the longest anode tap length is 25mm, the shortest anode tap length is 4.5mm, if require 64 anode tap overall widths, realize that by changing the lead-in wire live width it also is very difficult that resistance reaches unanimity according to prior art, because be subjected to the restriction of gap that go between in the preparation process more than or equal to 10um less than 1.5mm, 64 lead-in wires are arranged the lead-in wire peak width obtain 1.5mm, and long lead live width can only be 15um; Short leg live width 10um, and this moment, long lead resistance was 3.7 times of short leg resistance, such resistance difference is difficult to satisfy the needs of show uniformity.If the resistance difference that makes long lead and short leg is apart from 1 times, above-mentioned lead-in wire overall width needs 2mm, if resistance is equated, then above-mentioned lead-in wire overall width needs 3.36mm.
If employing technical solution of the present invention, the live width of all anode taps is set in 20um, the shortest anode tap surface does not cover auxiliary electrode, the longest anode tap surface all covers auxiliary electrode, two lead resistances are identical, and calculate by conventional lead resistance computational methods, cover the area numerical value of auxiliary electrode for the wire surface that makes the different length of resistance equal length between the shortest and the longest, carry out the preparation of auxiliary electrode according to this numerical value, just can satisfy under the identical situation of all anode tap resistance, make the total live width of contact conductor be no more than the scope of 1.5mm.
In addition, in specific implementation process, can be not limited to the foregoing description, as required, the live width of all cathode legs can be identical in the cathode leg group, also can be different, the live width of all anode taps can be identical in the anode tap group, also can be different, short leg can not cover auxiliary electrode in cathode leg group or the anode tap group, also can the cover part auxiliary electrode, long lead can all cover auxiliary electrode, also can partly cover auxiliary electrode, in cathode leg group that obtains at last or the anode tap group resistance of the resistance of all cathode legs or all anode taps can be identical also can be close, the multiple that for example maximum lead resistance is minimum lead resistance can be determined the resistance value of each lead-in wire in cathode leg group or the anode tap group as required less than 1.5 times in actual fabrication process, in a word the execution mode that can select above-mentioned parameter to change as required on the basis that reduces display floater lead-in wire region area.
The present invention adopts the method adjustment of adjusting auxiliary electrode accumulative total length of arrangement wire owing between the cathode leg that the path difference causes or the resistance difference between anode tap, make it to reach unanimity or reach the value that needs, and has reduced the lead-in wire region area simultaneously.
Claims (9)
1, a kind of display floater of display unit, comprise plurality of electrodes, the a plurality of contact conductor groups that are connected with plurality of electrodes, be coated with auxiliary electrode on the contact conductor of described a plurality of contact conductor groups, the area that it is characterized in that covering on length is long at least one group of contact conductor of a plurality of contact conductor groups the contact conductor auxiliary electrode and the ratio of this contact conductor area are greater than the area of covering auxiliary electrode and the ratio of this contact conductor area on the short contact conductor of length, make that the resistance of the contact conductor that covers auxiliary electrode at least one group of contact conductor of described a plurality of contact conductor groups is identical or close, and at least one group of contact conductor of a plurality of contact conductor groups all contact conductors not cover the wire length of auxiliary electrode part inequality.
2, display floater according to claim 1 is characterized in that covering on the contact conductor at least one group of contact conductor of described a plurality of contact conductor groups ratio increase gradually along with the increase of contact conductor length of area with this contact conductor area of auxiliary electrode.
3, display floater according to claim 2, it is characterized in that short leg does not cover auxiliary electrode at least one group of contact conductor of described a plurality of contact conductor groups, long lead all covers auxiliary electrode, and the ratio that length covers the area of auxiliary electrode and this contact conductor area at the lead-in wire between the shortest and the longest successively from low to high.
4,, it is characterized in that the lead-in wire live width at least one group of contact conductor of described a plurality of contact conductor groups is identical according to the described display floater of the arbitrary claim of claim 1-3.
5, a kind of display floater of organic light-emitting display device, comprise a plurality of cathode electrodes, a plurality of anode electrodes, and the cathode leg group that is connected with a plurality of cathode electrodes, the anode tap group that is connected with a plurality of anode electrodes, be coated with auxiliary electrode on the contact conductor of described cathode leg group and anode tap group, the area that it is characterized in that covering on length is long at least one group of contact conductor of cathode leg group and anode tap group the contact conductor auxiliary electrode and the ratio of this contact conductor area are greater than the area of covering auxiliary electrode and the ratio of this contact conductor area on the short contact conductor of length, make that the resistance of the contact conductor that covers auxiliary electrode at least one group of contact conductor of described cathode leg group and anode tap group is identical or close, and at least one group of contact conductor of cathode leg group and anode tap group all contact conductors not cover auxiliary electrode wire length partly inequality.
6, display floater according to claim 5 is characterized in that covering on the contact conductor at least one group of contact conductor of described cathode leg group and anode tap group ratio increase gradually along with the increase of contact conductor length of area with this contact conductor area of auxiliary electrode.
7, display floater according to claim 6, it is characterized in that short leg does not cover auxiliary electrode at least one group of contact conductor of described cathode leg group and anode tap group, long lead all covers auxiliary electrode, and the ratio that length covers the area of auxiliary electrode and this contact conductor area at the lead-in wire between the shortest and the longest successively from low to high.
8,, it is characterized in that the lead-in wire live width at least one group of contact conductor of described cathode leg group and anode tap group is identical according to the described display floater of the arbitrary claim of claim 5-7.
9,, it is characterized in that described contact conductor region area accounts for the ratio of display panel areas area less than 30% according to the described display floater of the arbitrary claim of claim 5-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981455A CN100448018C (en) | 2006-11-30 | 2006-11-30 | Displaying panel of display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981455A CN100448018C (en) | 2006-11-30 | 2006-11-30 | Displaying panel of display device |
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| CN1976051A CN1976051A (en) | 2007-06-06 |
| CN100448018C true CN100448018C (en) | 2008-12-31 |
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| CNB2006100981455A Active CN100448018C (en) | 2006-11-30 | 2006-11-30 | Displaying panel of display device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881834A (en) * | 2011-07-14 | 2013-01-16 | 昆山维信诺显示技术有限公司 | Display panel of display device |
| CN102509723B (en) * | 2011-10-18 | 2014-05-21 | 深圳市华星光电技术有限公司 | Panel structure of chip on film |
| CN104280907A (en) * | 2014-10-20 | 2015-01-14 | 深圳市华星光电技术有限公司 | Display device |
| CN106844797A (en) * | 2015-12-03 | 2017-06-13 | 北京华大九天软件有限公司 | A kind of method that wiring is controlled by resistance characteristic value |
| CN109119039A (en) * | 2018-09-13 | 2019-01-01 | 惠科股份有限公司 | A kind of display panel and display device |
| CN109523963B (en) * | 2018-11-21 | 2020-10-16 | 惠科股份有限公司 | Display device's drive circuit and display device |
| CN109272921B (en) * | 2018-11-23 | 2022-02-22 | 合肥京东方显示技术有限公司 | Grid driving circuit and driving method thereof, display panel and display device |
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| US20030151355A1 (en) * | 2000-02-16 | 2003-08-14 | Idemitsu Kosan Co., Ltd. | Actively driven organic EL device and manufacturing method thereof |
| US20030151360A1 (en) * | 2000-02-03 | 2003-08-14 | Semiconductor Energy Laboratory Co., Ltd., A Japan Corporation | Light-emitting device and method of manufacturing the same |
| US20040032202A1 (en) * | 2000-05-08 | 2004-02-19 | Semiconductor Energy Laboratory Co., Ltd., A Japan Corporation | Luminescent apparatus and method of manufacturing the same |
| CN1640204A (en) * | 2002-03-04 | 2005-07-13 | 罗姆股份有限公司 | Organic EL display panel comprising electrode separator and its manufacturing method |
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2006
- 2006-11-30 CN CNB2006100981455A patent/CN100448018C/en active Active
Patent Citations (4)
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| US20030151360A1 (en) * | 2000-02-03 | 2003-08-14 | Semiconductor Energy Laboratory Co., Ltd., A Japan Corporation | Light-emitting device and method of manufacturing the same |
| US20030151355A1 (en) * | 2000-02-16 | 2003-08-14 | Idemitsu Kosan Co., Ltd. | Actively driven organic EL device and manufacturing method thereof |
| US20040032202A1 (en) * | 2000-05-08 | 2004-02-19 | Semiconductor Energy Laboratory Co., Ltd., A Japan Corporation | Luminescent apparatus and method of manufacturing the same |
| CN1640204A (en) * | 2002-03-04 | 2005-07-13 | 罗姆股份有限公司 | Organic EL display panel comprising electrode separator and its manufacturing method |
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Address after: 215300 No. 188 Feng Feng Road, Kunshan hi tech Zone, Jiangsu, Kunshan Patentee after: Suzhou Qingyue Photoelectric Technology Co., Ltd Patentee after: TSINGHUA University Address before: 215300 No. 188 Feng Feng Road, Kunshan hi tech Zone, Jiangsu, Kunshan Patentee before: Kunshan Visionox Technology Co.,Ltd. Patentee before: TSINGHUA University |
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