CN102130300A - Organic electroluminescent device (OELD), display and application thereof - Google Patents
Organic electroluminescent device (OELD), display and application thereof Download PDFInfo
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- CN102130300A CN102130300A CN 201010608931 CN201010608931A CN102130300A CN 102130300 A CN102130300 A CN 102130300A CN 201010608931 CN201010608931 CN 201010608931 CN 201010608931 A CN201010608931 A CN 201010608931A CN 102130300 A CN102130300 A CN 102130300A
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- organic electroluminescence
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Abstract
The invention relates to an organic electroluminescent device (OELD), a display and application thereof. The OLED comprises a substrate, a display area arranged on the substrate, a first electrode, a second electrode, and a lead area arranged on the substrate, wherein the display area comprises pixel points arranged in an array manner, a lead of the lead area arranged on the substrate comprises a lap joint part and a connection part, the lap joint part is in lap joint with the first electrode and comprises a hollow part, a contact part and an opening, and the hollow part is communicated with the opening. In the invention, by improving the lap joint part of the side lead, the improved lead is in contact with a cathode through a contact part with a plurality of protrusions and indentations when in lap joint with a cathode, so that the contact area is enlarged and the conduction efficiency is improved.
Description
Technical field
The present invention relates to organic electroluminescence device, be meant that specifically a kind of pin configuration of organic electroluminescence device improves.
Background technology
The organic electroluminescent principle is meant and adopts organic material as luminescent layer, is provided with cathode layer and anode layer in the luminescent layer both sides, electric current on two interpolars are logical, and when electric current passed through luminescent layer, the organic material of luminescent layer will be luminous.People develop organic electroluminescence device (Organic Light Emitting Diode is hereinafter to be referred as OLED) according to this principle.OLED shows that with respect to traditional liquid crystal display body is thin, advantages such as preparation technology is simple, luminescent material solidifies entirely, device flexibility have caused people's extensive concern but have, and increasing OLED is applied to showing and lighting field.
Existing OLED device is except that comprising anode layer, luminescent layer, cathode layer, also comprise insulating barrier and insulated column layer, insulating barrier and insulated column layer are divided into one by one little luminous point with luminescent layer, and a plurality of luminous points of diverse location are luminous on request, needing just can obtain the pattern of demonstration.The zone that has luminous point on the OLED is a light-emitting zone, and the negative electrode of light-emitting zone is connected with integrated circuit by lead-in wire with anode, and integrated circuit control luminous point is luminous.
Fig. 1 is existing OLED screen body structure schematic diagram, and wherein 1 is substrate, comprises on the substrate: the viewing area A that the luminous point array is formed, negative electrode follow direction and arrange, and anode is arranged along column direction; Both sides go between regional B1 and B2, corresponding respectively odd-numbered line negative electrode and the even number line negative electrode that connects the viewing area; The downside lead-in wire region D that is connected with the anode of viewing area; Go between regional B1 and B2, downside lead-in wire region D of both sides all is aggregated into IC (integrated circuit) zone C.
The M zone is a negative electrode and corresponding lead-in wire overlap joint zone, as shown in Figure 2, pixel 11 evenly distributes according to row and column in the A of viewing area, insulating barrier 12 is layed in space between the pixel along column direction and line direction, insulated column 13 is layed on the insulating barrier (insulating barrier of top laying insulated column is not shown) of line direction, two pixels that insulating barrier is adjacent with the left and right sides are separated, and insulated column with two neighbouring pixels separately.Each pixel comprises cathode layer, luminescent layer and anode layer.The cathode layer of each row pixel links together, and extends to side go between regional B1, B2, is connected with side lead-in wire 15.The anode layer of each row pixel links together, and extends to downside lead-in wire region D, is connected with the downside lead-in wire.
Side lead-in wire 15 comprises the clinch 151 that is connected with negative electrode 14, connects the connecting portion 152 in IC zone, the hollow-out parts 151-1 in the middle of the clinch.Lead-in wire passes through the conducting of hollow-out parts edge with negative electrode during overlap joint.
The inventor finds that there is following defective in prior art:
Hollow-out parts and lead-in wire and negative electrode conducting area are less, are unfavorable for the transmission of electric current, and simultaneously, existing hollow-out parts design causes that easily manifesting clinch comes off.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of organic electroluminescence device is provided, and the mobile communication equipment of display of organic electroluminescence and application.
Above-mentioned purpose of the present invention is achieved by following technical solution:
The present invention includes a kind of organic electroluminescence device, comprise,
Substrate,
Be positioned at the viewing area on the substrate, the viewing area comprises the pixel of array arrangement, first electrode, and second electrode,
Be positioned at the side lead-in wire zone on the substrate, the lead-in wire in described side lead-in wire zone comprises clinch and connecting portion, described clinch and described first electrode overlap joint, described clinch comprises hollow-out parts, it is characterized in that described hollow-out parts is positioned at described clinch inside, described clinch extends to form contact site to hollow-out parts, described clinch also comprises opening, described hollow-out parts and described open communication.
Wherein, the described hollow-out parts of described clinch semi-surrounding, described hollow-out parts is one.
Wherein, described clinch and connecting portion are formed " F " type structure.
Wherein, described contact site comprises a plurality of raised or sunken, and described projection and depression provide adhesive force for clinch.
Wherein, described raised or sunken be round end cylindricality or waveform.
Wherein, described raised or sunken be triangle or zigzag.
Wherein, described raised or sunken be circular arc or semicircle.
Wherein, described raised or sunken width is identical.
Wherein, described raised or sunken length is identical.
Wherein, described raised or sunken spacing is identical.
A kind of organic electroluminescence device comprises,
Substrate,
Be positioned at the viewing area on the substrate, the viewing area comprises the pixel of array arrangement, first electrode, and second electrode,
Be positioned at the lead-in wire zone on the substrate,
The lead-in wire in described lead-in wire zone comprises connecting portion, described connecting portion extends to form one one of overlap joint respectively and overlaps two ones, one one of described overlap joint and two ones of overlap joints overlap with first electrode respectively, overlapping one one directly is not connected with two ones of overlap joints, overlap one one and overlap between two ones and have hollow-out parts, one one of described overlap joint and two ones of overlap joints extend to form contact site to hollow-out parts respectively.
The present invention also provides a kind of display of organic electroluminescence, comprises FPC (Flexible Printed Circuit, flexible circuit board), and power interface also comprises above-mentioned organic electroluminescence device.
The present invention also provides a kind of mobile communication equipment, comprises communicator and display unit, and described display unit is above-mentioned display of organic electroluminescence.
Technical scheme provided by the invention, clinch by the offside lead-in wire improves, lead-in wire after feasible the improvement is when overlapping with negative electrode, contact with negative electrode by contact site with a plurality of projectioies and depression, under the prerequisite that does not increase the clinch area, increase the contact area with negative electrode, improved conducting efficient and ability.Simultaneously, projection on the contact site and depression provide a plurality of attachment points for clinch, and a plurality of projectioies and depression have increased the adhesive ability of clinch on substrate, prevent that the clinch that goes between from partly coming off or coming off owing to lacking adhesive force.
Description of drawings
Fig. 1 is a prior art OLED device screen body structure schematic diagram;
Fig. 2 is prior art one negative electrode and the corresponding partial schematic diagram that goes between and overlap;
Fig. 3 is the partial schematic diagram of the lead-in wire of technical solution of the present invention first embodiment;
Fig. 4 is the lead-in wire of technical solution of the present invention and the schematic diagram of negative electrode overlap joint;
Fig. 5 is another embodiment schematic diagram of technical solution of the present invention;
Fig. 6 is another embodiment schematic diagram of technical solution of the present invention;
Fig. 7 is another embodiment schematic diagram of technical solution of the present invention;
Fig. 8 is another embodiment schematic diagram of technical solution of the present invention;
Fig. 9 is another embodiment schematic diagram of technical solution of the present invention.
Embodiment
The present invention is described in further detail below by specific embodiment.
First embodiment of the present invention, as shown in Figure 3, pixel 21 is pressed row and column direction array arrangement in the viewing area, insulating barrier 22 is arranged in the space between pixel by the row and column direction, insulated column 23 is arranged on the insulating barrier by line direction, insulating barrier and insulated column are separated the adjacent pixels point, and negative electrode 24 extends to side lead-in wire zone and is connected with side lead-in wire 25.Described first electrode is a negative electrode, described second anode very.
As Fig. 4, side lead-in wire 25 comprises clinch 251 and connecting portion 252.Clinch 251 is connected with the partial stack that negative electrode 24 extends to side lead-in wire zone, and this connected mode is called overlap joint again.Connecting portion 252 is connected with the IC zone.
Clinch 251 comprises hollow-out parts 251-1 and contact site 251-2, also is provided with opening 251-3 on the clinch, and hollow-out parts 251-1 is communicated with opening 251-3, contact site 251-2 semi-surrounding hollow-out parts 251-1, and hollow-out parts is one.Clinch 251 comprises one one of overlap joint again and overlaps two ones, overlaps a top that is positioned at hollow-out parts, overlaps two belows that are positioned at hollow-out parts.Overlap one one and overlap joint and have a plurality of contact site 251-2 on two ones.Contact site 251-2 is a plurality of raised or sunken, is positioned at clinch 251 inboards, and projection and depression provide adhesive force for clinch.The raised or sunken overlap joint area that has increased negative electrode and lead-in wire on the clinch improves the conducting effect that goes between with negative electrode.Clinch 251 is formed similar " F " type structure with connecting portion 252.Projection makes also that with the laciniation that is recessed to form lead-in wire closely contacts with negative electrode.
An alternative embodiment of the invention, side go between 35 as shown in Figure 5, and the raised or sunken of this contact site is round end cylindricality or waveform.
An alternative embodiment of the invention, side go between 45 as shown in Figure 6, and the raised or sunken of this contact site is triangle.
An alternative embodiment of the invention, side go between 55 as shown in Figure 7, and the raised or sunken of this contact site is circular arc or semicircle.
An alternative embodiment of the invention, side go between 65 as shown in Figure 8, and the raised or sunken length of this contact site is inconsistent.
An alternative embodiment of the invention, side go between 75 as shown in Figure 9, and the raised or sunken width of this contact site is inconsistent.
By above explanation, clinch of the present invention is by increasing opening and contact site, improved the conducting effect with negative electrode, and when making negative electrode with the lead-in wire overlap joint, conducting efficient improves.
The present invention also proposes a kind of display of organic electroluminescence on this basis, comprises FPC (flexible print circuit board), and power interface, display of organic electroluminescence have been used above-mentioned organic electroluminescence device.And a kind of mobile communication equipment is proposed simultaneously, and comprising communicator and display unit, described display unit is described display of organic electroluminescence.
Though the present invention is to disclose as above than preferable embodiment; yet it is not in order to limit the present invention; anyly be familiar with this technology personage; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations; therefore, protection scope of the present invention is as the criterion when the claim with application defines.
Claims (14)
1. an organic electroluminescence device comprises,
Substrate,
Be positioned at the viewing area on the substrate, the viewing area comprises the pixel of array arrangement, first electrode, and second electrode,
Be positioned at the side lead-in wire zone on the substrate, the lead-in wire in described side lead-in wire zone comprises clinch and connecting portion, described clinch and described first electrode overlap joint, described clinch comprises hollow-out parts, it is characterized in that described hollow-out parts is positioned at described clinch inside, described clinch extends to form contact site to hollow-out parts, described clinch also comprises opening, described hollow-out parts and described open communication.
2. organic electroluminescence device as claimed in claim 1 is characterized in that, the described hollow-out parts of described clinch semi-surrounding, and described hollow-out parts is one.
3. organic electroluminescence device as claimed in claim 2 is characterized in that, described clinch and connecting portion are formed " F " type structure.
4. organic electroluminescence device as claimed in claim 1 is characterized in that described contact site comprises a plurality of raised or sunken.
5. organic electroluminescence device as claimed in claim 4 is characterized in that, described projection and depression provide adhesive force for clinch.
6. organic electroluminescence device as claimed in claim 4 is characterized in that, described raised or sunken be round end cylindricality or waveform.
7. organic electroluminescence device as claimed in claim 4 is characterized in that, described raised or sunken be triangle or zigzag.
8. organic electroluminescence device as claimed in claim 4 is characterized in that, described raised or sunken be circular arc or semicircle.
9. as each described organic electroluminescence device of claim 4-7, it is characterized in that described raised or sunken width is identical.
10. as each described organic electroluminescence device of claim 4-7, it is characterized in that described raised or sunken length is identical.
11., it is characterized in that described raised or sunken spacing is identical as each described organic electroluminescence device of claim 4-7.
12. an organic electroluminescence device comprises,
Substrate,
Be positioned at the viewing area on the substrate, the viewing area comprises the pixel of array arrangement, first electrode, and second electrode,
Be positioned at the lead-in wire zone on the substrate,
It is characterized in that, the lead-in wire in described lead-in wire zone comprises connecting portion, described connecting portion extends to form one one of overlap joint respectively and overlaps two ones, one one of described overlap joint and two ones of overlap joints overlap with first electrode respectively, overlapping one one directly is not connected with two ones of overlap joints, overlap one one and overlap between two ones and have hollow-out parts, one one of described overlap joint and two ones of overlap joints extend to form contact site to hollow-out parts respectively.
13. a display of organic electroluminescence comprises FPC, power interface is characterized in that, also comprises as claim 1 or 12 described organic electroluminescence devices.
14. a mobile communication equipment is characterized in that, comprises communicator and display unit, it is characterized in that, described display unit is a display of organic electroluminescence as claimed in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010106089311A CN102130300B (en) | 2010-09-16 | 2010-12-28 | Organic electroluminescent device (OELD), display and application thereof |
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| CN201010286698 | 2010-09-16 | ||
| CN201010286698.X | 2010-09-16 | ||
| CN2010106089311A CN102130300B (en) | 2010-09-16 | 2010-12-28 | Organic electroluminescent device (OELD), display and application thereof |
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| CN102130300A true CN102130300A (en) | 2011-07-20 |
| CN102130300B CN102130300B (en) | 2012-07-04 |
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| CN106711181A (en) * | 2016-12-29 | 2017-05-24 | 固安翌光科技有限公司 | Bonding electrode as well as preparation method and application of bonding electrode |
| CN106981585A (en) * | 2017-05-23 | 2017-07-25 | 上海天马微电子有限公司 | Transparent OLED panel and display device |
| CN108493217A (en) * | 2018-03-22 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN108538904A (en) * | 2018-05-31 | 2018-09-14 | 信利半导体有限公司 | A kind of OLED display modules and preparation method thereof |
| WO2018223721A1 (en) * | 2017-06-08 | 2018-12-13 | 京东方科技集团股份有限公司 | Oled display substrate and manufacturing method therefor, and packaging structure and display apparatus |
| CN109493728A (en) * | 2018-12-13 | 2019-03-19 | 云谷（固安）科技有限公司 | A kind of display panel and display device |
| CN110767674A (en) * | 2018-08-06 | 2020-02-07 | 昆山维信诺科技有限公司 | Display panel, display screen and display terminal |
| TWI694624B (en) * | 2017-10-31 | 2020-05-21 | 大陸商昆山國顯光電有限公司 | Organic light-emitting diode structure, display and mobile communication equipment |
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