CN208622726U - A kind of OLED device - Google Patents

A kind of OLED device Download PDF

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Publication number
CN208622726U
CN208622726U CN201821348410.5U CN201821348410U CN208622726U CN 208622726 U CN208622726 U CN 208622726U CN 201821348410 U CN201821348410 U CN 201821348410U CN 208622726 U CN208622726 U CN 208622726U
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China
Prior art keywords
cabling
antistatic
antistatic block
oled device
block
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Active
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CN201821348410.5U
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Chinese (zh)
Inventor
冯纪恒
李扬
罗志猛
赵云
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Truly Semiconductors Ltd
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Truly Semiconductors Ltd
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Abstract

The utility model discloses a kind of OLED device, it includes oled substrate and the edge peripheral wiring on oled substrate, the edge peripheral wiring includes anode cabling and the cathode cabling outside anode cabling, and antistatic block is equipped between the anode cabling and cathode cabling.Anode cabling is set to most the inside, antistatic block is placed in centre, cathode cabling is set to ragged edge, since the white space of edge peripheral wiring is provided with antistatic block and antistatic block is located at the outside of anode cabling, the internal electrostatic that device is generated in power on/off and environmental change can be dispersed to antistatic block, OLED device is avoided to be wounded, while antistatic block is more outward than anode cabling, when electrochemical corrosion occurs, antistatic block can preferentially be corroded, to protect anode cabling from the injury of electrochemical corrosion, ensure that anode cabling operates normally, to promote the reliability of OLED device.

Description

A kind of OLED device
Technical field
The utility model relates to a kind of field of display technology, more specifically to a kind of OLED device.
Background technique
In recent years, with the fast development of OLED display technology, occupy it gradually in fierce market competition important Share.Compared with other display technologies, OLED display has self-luminous, wide viewing angle, wide colour gamut, low-work voltage, high-incidence Light efficiency and device can the good characteristics such as flexibility, so that it is widely used in display and lighting area.However, OLED display Poor reliability, service life low weakness are also faced simultaneously.
Edge peripheral wiring on oled substrate generally includes anode cabling and cathode cabling, due to production technology and processing procedure The reason of, it usually there will be partial blank region between the anode cabling and cathode cabling of OLED device, and due to the part It is exposed to cause it to work under conditions of high temperature and humidity in air close to the outside of OLED device, it is very easy to occur Electrochemical corrosion, practice discovery, this electrochemical corrosion phenomenon probability of occurrence on the anode cabling close to cathode cabling is larger, Harm is serious.The solution of the prior art is in the region overlay organic or inorganic coating, but organic coating anti-steam ability It is universal poor, and inorganic coating is too thin, and etching difficulty is big, cost is too high.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of OLED device, due to the sky of edge peripheral wiring White region is provided with antistatic block and antistatic block is located at the outside of anode cabling, and device is produced in power on/off and environmental change Raw internal electrostatic can be dispersed to antistatic block, and OLED device is avoided to be wounded, while antistatic block is more leaned on than anode cabling Outside, when electrochemical corrosion occurs, antistatic block can preferentially be corroded, to protect anode cabling from the wound of electrochemical corrosion Evil ensures that anode cabling operates normally, to promote the reliability of OLED device.
Technical problem to be solved in the utility model is achieved by the following technical programs:
In order to solve the above technical problems, the utility model provides a kind of OLED device comprising oled substrate and be set to Edge peripheral wiring on oled substrate, the edge peripheral wiring include anode cabling, are equipped on the outside of the anode cabling anti- Electrostatic block.
Further, anode cabling side is equipped with cathode cabling, the antistatic block and the edge peripheral wiring Material it is identical.
Further, the antistatic block is filled along the edge peripheral wiring.
Further, when the width of the edge peripheral wiring is less than or equal to 0.2mm, the width of the antistatic block is equal to The width of the edge peripheral wiring.
Further, when the width of the edge peripheral wiring is greater than 0.2mm, the antistatic block is divided into muti-piece, often The width of block antistatic block is less than 0.2mm.
Further, the shape of the antistatic block is quadrangle, triangle, circle or polygon.
The utility model has the following beneficial effects:
Since the white space of edge peripheral wiring is provided with antistatic block and antistatic block is located at the outside of anode cabling, The internal electrostatic that device is generated in power on/off and environmental change can be dispersed to antistatic block, and OLED device is avoided to be hit Wound, while antistatic block is more outward than anode cabling, when electrochemical corrosion occurs, can preferentially corrode antistatic block, to protect Anode cabling is protected from the injury of electrochemical corrosion, ensures that anode cabling operates normally, to promote the reliability of OLED device.
Antistatic block is identical as the material of the edge peripheral wiring, and anode cabling, antistatic block and cathode cabling pass through Wet etching is formed, and anode cabling, antistatic block and cathode cabling is not only made to maintain certain interval, also disposably wet etching can go out institute The structure needed, reduces manufacturing procedure, without changing prior art, not will increase production cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of OLED device provided by the utility model.
Fig. 2 is the distribution schematic diagram of non-cabling area antistatic block.
Fig. 3 is the distribution schematic diagram of the antistatic block in viewing area and cabling area.
Fig. 4 is the structural schematic diagram of another OLED device provided by the utility model.
Fig. 5 is the cross-sectional view of rear cover in Fig. 4.
Fig. 6 is the structural schematic diagram of another OLED device provided by the utility model.
Fig. 7 is the cross-sectional view of rear cover in Fig. 6.
Specific embodiment
The utility model is described in detail below with reference to embodiment, embodiment is only the preferred reality of the utility model Mode is applied, is not the restriction to the utility model.
Referring to Fig. 1, providing a kind of OLED device for the utility model comprising oled substrate and be set to oled substrate On edge peripheral wiring, the edge peripheral wiring includes anode cabling 1 and the cathode cabling 2 set on 1 side of anode cabling, Antistatic block 3 is equipped on the outside of the anode cabling 1.In the present embodiment, anode cabling 1 is set to most the inside, and antistatic block 3 is placed In centre, cathode cabling 2 is set to ragged edge, and in other embodiments, cathode cabling 2 also can be set in most the inside, as long as anti- Electrostatic block 3 is set to 1 outside of anode cabling, and the position of cathode cabling 2 is unrestricted.Due to the blank area of edge peripheral wiring Domain is provided with antistatic block 3 and antistatic block 3 is located at the outside of anode cabling 1, and OLED device is in power on/off and environmental change When the electrostatic that is generated inside OLED device can be dispersed to antistatic block 3, avoid OLED device from being wounded, while antistatic block 3 more outward than anode cabling 1, when electrochemical corrosion occurs, can preferentially corrode antistatic block 3, so that anode cabling 1 be protected to exempt from In the injury of electrochemical corrosion, ensure that anode cabling 1 operates normally, to promote the reliability of OLED device.
Further, the antistatic block 3 is identical as the material of the edge peripheral wiring, the anode cabling 1, prevent it is quiet Electric block 3 and cathode cabling 2 are formed by wet etching, not only maintain anode cabling 1, antistatic block 3 and cathode cabling 2 certain Interval also disposably wet etching can go out required structure, reduce manufacturing procedure, without changing prior art, not will increase Production cost, while its background color can also be made to keep coordinating, increase its aesthetic feeling.
Further, the antistatic block 3 is filled along the edge peripheral wiring, so that the filling of antistatic block 3 is more Uniformly.
Further, when the width of the edge peripheral wiring is less than or equal to 0.2mm, the width etc. of the antistatic block 3 In the width of the edge peripheral wiring.Increase the quantity of antistatic block 3 to reduce the size of antistatic block 3, and then improves Antistatic effect avoids electric current excessive and damages OLED device.
Further, when the width of antistatic block 3 is less than 0.1mm, length is less than 1mm, to reduce antistatic block 3 Size and the quantity for increasing antistatic block 3, and then antistatic effect is improved, it avoids electric current excessive and damages OLED device.
Further, when the width of the edge peripheral wiring is greater than 0.2mm, the antistatic block 3 is divided into muti-piece, often The width of block antistatic block 3 is less than 0.2mm, increases the quantity of antistatic block 3, Jin Erti to reduce the size of antistatic block 3 High-antistatic ability avoids electric current excessive and damages OLED device, while also avoiding antistatic block 3 and the production of edge peripheral wiring Raw electrostatic.
Further, edge peripheral wiring further includes electrode cabling and auxiliary electrode, and electrode cabling is ITO material, auxiliary Electrode is the metal material with high conductivity, positioned at the top of electrode cabling.The material of auxiliary electrode be Ag, Mo/Al/Mo, The metal materials such as Ti/Cu/Ti, Cr/Cu/Cr, in order to obtain better stability and corrosion resistance, usual auxiliary electrode is preferred Alloy material.
Further, electrode cabling is connected with antistatic block 3 in order to prevent, between antistatic block 3 and electrode cabling between Away from the spacing that need to be greater than between adjacent electrode cabling.
Further, the shape of the antistatic block 3 is quadrangle, is also possible to triangle, polygon or round.
Currently, the antistatic of OLED is mainly solved using the methods of setting electrostatic screen layer or setting antistatic line. Shielded layer generally uses ITO, although can play the role of shielding exterior static, less is used due to there is a light loss.And For antistatic line, due to the limitation of OLED device space wiring, antistatic line can only be confined to edge peripheral wiring area Domain can not lay antistatic line inside OLED device, thus generated inside OLED device electrostatic it is larger when, be easy to OLED Device causes to damage.Fig. 2 and Fig. 3 are please referred to, further, the oled substrate has viewing area 5 and non-display area, described It is additionally provided with edge cabling 4 on the non-display area of oled substrate, the antistatic block 3 has multiple, is also respectively arranged on edge cabling 4 Between viewing area 5, between the edge cabling 4 and edge cabling 4 and non-cabling area in edge.Since OLED device is in power on/off and packet The case where leading to environmental change Shi Caihui such as dress, transport generates electrostatic inside OLED device, although generate the frequency of electrostatic compared with It is low, but when it generates electrostatic, transient current is larger, due to being provided with antistatic block 3, can make the electrostatic inside OLED device On portions thereof to antistatic block 3, make its current reduction, cause electrostatic damage to avoid OLED device internal current is excessive, prevents The quantity of electrostatic block 3 can be arranged according to demand it is multiple, to reduce electric current.
Similarly, between edge cabling 4 and viewing area 5, between the edge cabling 4 and edge cabling 4 and non-cabling area in edge Antistatic block 3 also can be set on the outside of its anode, preferentially corrode antistatic block 3 when bringing it about electrochemical corrosion, thus It protects cabling 4 not to be corroded, improves the stability of OLED device.
Further, point front end with antistatic block 3 at a distance from greater than 0.02mm, to avoid apart from it is too small when generate it is quiet Electricity.Point front and antistatic block 3 correspond, specifically, its position is corresponded with width, do pixel to be made Lattice.
Fig. 4 and Fig. 5 are please referred to, further, the OLED device further includes rear cover corresponding with the oled substrate 6 7,7 upper surface of rear cover offers at least one around the first groove 8 of viewing area, the oled substrate 6 and it is described after Lid 7 is formed by cavity fixed by edge sealing adhesive 10 filled with desiccant 9, the oled substrate 6 and the rear cover 7.Encapsulation When, rear cover 7 and oled substrate 6 squeeze desiccant 9, viewing area 5 are full of, the pressure that can be further reduced inside and outside OLED device Difference is not easily broken rear cover 7, and is easier to stop the diffusion of moisture and oxygen;Due to the mobility of desiccant 9, desiccant 9 can Part is spilled over in the first groove 8, i.e., the first groove 8 outside viewing area 5 is not filled, and desiccant 9 can be made not impact edge sealing It is come into full contact in the case where glue 10 with edge sealing adhesive 10, since the desiccant 9 of underfill is located at outside viewing area 5, so desiccant 9 Edge is reflective inconsistent will not to make viewing area 5 show unevenly.Compared with traditional technology, the OLED device more reasonable structure, after 7 intensity of lid and rigidity more preferably, are not easily broken.
Fig. 6 and Fig. 7 are please referred to, further, 7 upper surface of rear cover is set in the region that first groove 8 is formed There is at least one second groove 11, the desiccant 9 riddles the cavity that the oled substrate 6 is formed with second groove 11 It is interior, while guaranteeing 7 intensity of rear cover and rigidity, rear cover 7 can be made to have bigger filling space, convenient for filling more desiccant 9, increase water suction and oxygen absorbed.
Further, at least one reinforcing rib is remained in second groove 11, reinforcing rib can further promote rear cover 7 Intensity and rigidity.
Further, the depth of first groove 8 is equal to the depth of second groove 11, and depth of groove is equal can one Secondary molding simplifies technique, save the cost.
Above embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but can not Therefore it is interpreted as that a limitation on the scope of the patent of the present invention, as long as the form using equivalent substitution or equivalent transformation is obtained Technical solution, shall fall within the scope of the present invention.

Claims (6)

1. a kind of OLED device, which is characterized in that it includes oled substrate and the edge peripheral wiring on oled substrate, institute Stating edge peripheral wiring includes anode cabling, and antistatic block is equipped on the outside of the anode cabling.
2. OLED device according to claim 1, which is characterized in that anode cabling side is equipped with cathode cabling, institute It is identical as the material of the edge peripheral wiring to state antistatic block.
3. OLED device according to claim 1, which is characterized in that the antistatic block is along the edge peripheral wiring Filling.
4. OLED device according to claim 1, which is characterized in that the width of the edge peripheral wiring is less than or equal to When 0.2mm, the width of the antistatic block is equal to the width of the edge peripheral wiring.
5. OLED device according to claim 1, which is characterized in that the width of the edge peripheral wiring is greater than 0.2mm When, the antistatic block is divided into muti-piece, and the width of every piece of antistatic block is less than 0.2mm.
6. OLED device according to claim 1, which is characterized in that the shape of the antistatic block is quadrangle, triangle Shape or circle.
CN201821348410.5U 2018-08-21 2018-08-21 A kind of OLED device Active CN208622726U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109037299A (en) * 2018-08-21 2018-12-18 信利半导体有限公司 A kind of OLED device
CN111725278A (en) * 2020-06-11 2020-09-29 武汉华星光电半导体显示技术有限公司 OLED display panel
CN113079686A (en) * 2021-04-08 2021-07-06 业成科技(成都)有限公司 Display module and electronic equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109037299A (en) * 2018-08-21 2018-12-18 信利半导体有限公司 A kind of OLED device
WO2020037707A1 (en) * 2018-08-21 2020-02-27 信利半导体有限公司 Oled device
CN111725278A (en) * 2020-06-11 2020-09-29 武汉华星光电半导体显示技术有限公司 OLED display panel
CN111725278B (en) * 2020-06-11 2022-09-27 武汉华星光电半导体显示技术有限公司 OLED display panel
CN113079686A (en) * 2021-04-08 2021-07-06 业成科技(成都)有限公司 Display module and electronic equipment
CN113079686B (en) * 2021-04-08 2022-10-18 业成科技(成都)有限公司 Display module and electronic equipment

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