CN201975426U - Organic LED structure - Google Patents
Organic LED structure Download PDFInfo
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- CN201975426U CN201975426U CN2011200635158U CN201120063515U CN201975426U CN 201975426 U CN201975426 U CN 201975426U CN 2011200635158 U CN2011200635158 U CN 2011200635158U CN 201120063515 U CN201120063515 U CN 201120063515U CN 201975426 U CN201975426 U CN 201975426U
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- 239000000463 material Substances 0.000 claims description 10
- 239000011368 organic material Substances 0.000 claims description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 11
- 238000004020 luminiscence type Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses an organic LED structure, which comprises a substrate unit, a first conducting layer, an organic luminous layer and a second conducting layer, wherein the first conducting layer is provided with an L-shaped opening for dividing the first conducting layer into a first conducting block area and a second conducting block area; part of the L-shaped opening and part of the first conducting block area are covered by the organic luminous layer, the second conducting block area is not covered by the organic luminous layer, a first part and a second part of the first conducting block area are exposed, and either the first part or the second part is electrically connected with a positive voltage source; part of the organic luminous layer is covered by the second conducting layer, and the second conducting layer is provided with a protruding part for covering part of the second conducting block area; the area of the second conducting block area uncovered by the protruding part is electrically connected to a negative voltage source; and a luminous area is defined by an overlapped part of the second conducting layer, the organic luminous layer and the first conducting layer. By adopting the technical scheme provided by the utility model, the organic LED structure has higher luminescence uniform degree, and the luminous efficiency and the luminous brightness of an organic LED can be effectively upgraded.
Description
Technical field
The utility model relates to a kind of semiconductor structure, more particularly, relates to a kind of organic LED structure.
Background technology
Along with the progress of science and technology, flat-panel screens is the Display Technique that attracts most attention in recent years.Wherein, advantages such as display of organic electroluminescence is interdependent because of its self-luminous, no visual angle, power saving, processing procedure are simple and easy, low-cost, low temperature opereating specification, high answer speed and full-colorization have great application potential, are expected to become the main flow of follow-on flat-panel screens.Organic Light Emitting Diode is made of pair of electrodes and organic luminous layer.Between electric current is by transparent anode and metallic cathode, make electronics and electric hole in organic luminous layer in conjunction with and when producing exciton (exciton), organic luminous layer produces the mechanism of giving out light of different colours according to properties of materials, and then reaches the effect of luminous demonstration.Yet, can be apart from the organic luminous layer that external electrode is far away more because the path that electric current is flowed through is long more, resistance is big more, and because of the pressure drop that resistance caused is also big more thereupon, so the voltage on organic luminous layer is more little, brightness is more little.Therefore, when the organic electroluminescent display when large scale develops, across everywhere pressure drop situation on organic luminous layer tangible difference is arranged just.Thus, will make that the luminous uniformity of display is not good.
In order to solve above-mentioned problem, knownly normally help conduction by on anode, setting up auxiliary electrode.Yet,, because of the difference of grouting socket, easily produce the situation of electric charge accumulation between itself and the organic luminous layer because the material of auxiliary electrode is a metal.Moreover the setting of auxiliary electrode also can make organic luminous layer become uneven, and then easily produces point discharge, and causes the life-span of Organic Light Emitting Diode to shorten.In addition, set up auxiliary electrode and then can increase fabrication steps and manufacturing cost.Thus, known technology also can't solve the above problems efficiently.
Summary of the invention
In order to solve the problems referred to above that prior art exists, mother's of the present utility model is to propose a kind of organic LED structure, and it has the preferable luminous uniformity, and can effectively promote luminous efficiency and brightness.
A kind of organic LED structure that the utility model proposes, it comprises a base board unit, one first conductive layer, an organic luminous layer and one second conductive layer.First conductive layer is disposed on the base board unit and has a L shaped opening.L shaped opening exposes the part base board unit and first conductive layer is divided into one first conductive area and one second conductive area.Organic luminous layer is disposed on first conductive layer, and L shaped opening in cover part and part first conductive area.Organic luminous layer does not cover second conductive area and exposes a first and a second portion of first conductive area.One of them is electrically connected to a positive voltage source at least for first and second portion.Second conductive area is between first and second portion.Second conductive layer is disposed on the organic luminous layer and the cover part organic luminous layer.Second conductive layer has a protuberance, and protuberance cover part second conductive area.Second conductive area is not highlighted the zone that portion covers and is electrically connected to a negative voltage source.Second conductive layer, organic luminous layer and the overlapping part of the first conductive layer three are defined as a light-emitting zone.
In an embodiment of the present utility model, the area of the first above-mentioned conductive area is greater than the area of second conductive area.
In an embodiment of the present utility model, the second above-mentioned conductive area is positioned at a corner of base board unit.
In an embodiment of the present utility model, the dual-side of the above-mentioned adjacent protuberance of second conductive layer exposes the part organic luminous layer.
In an embodiment of the present utility model, above-mentioned organic luminous layer be shaped as rectangle.
In an embodiment of the present utility model, the material of above-mentioned base board unit comprises glass or plastics.
In an embodiment of the present utility model, one of them is a transparency conducting layer at least for the first above-mentioned conductive layer and second conductive layer.
In an embodiment of the present utility model, the first above-mentioned conductive layer and the material of second conductive layer comprise tin indium oxide, aluminium, magnesium or silver.
In an embodiment of the present utility model, the material of above-mentioned organic luminous layer comprises micromolecule luminous organic material or macromolecule luminous organic material.
Based on above-mentioned, organic LED structure of the present utility model is by the component layer design of (comprising first conductive layer, organic material layer and second conductive layer), changes the connecting point position of positive voltage source and negative voltage source.Thus, this design can make organic LED structure have the preferable luminous uniformity, and can effectively promote its luminous efficiency and brightness.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the schematic top plan view of a kind of organic LED structure of an embodiment of the present utility model;
Fig. 2 is the generalized section along the line I-I of Fig. 1;
Fig. 3 is the generalized section along the line II-II of Fig. 1.
Among the figure:
10, the Organic Light Emitting Diode module;
100, organic LED structure;
110, substrate;
110a, 110b, 110c, 110d, base board unit;
112, the gap;
120, the first conductive layers;
122, L shaped opening;
124, the first conductive area;
126, the second conductive area;
127, first;
129, second portion;
130, organic luminous layer;
140, the second conductive layers;
142, protuberance;
S, light-emitting zone;
V1, positive voltage source;
V2, negative voltage source.
Embodiment
Fig. 1 is the schematic top plan view of a kind of organic LED structure of an embodiment of the present utility model.Fig. 2 is the generalized section along the line I-I of Fig. 1.Fig. 3 is the generalized section along the line II-II of Fig. 1.Please also refer to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, organic LED structure 100 comprises a base board unit 110a, one first conductive layer 120, an organic luminous layer 130 and one second conductive layer 140.
At this, mandatory declaration be, schematically illustrate four organic LED structures 100 among Fig. 1, wherein substrate 110 has a plurality of base board unit 110a, 110b, 110c, 110d, and each base board unit 110a(or base board unit 110b, 110c, 110d) and adjacent base board unit 110b(or base board unit 110a, 110c, 110d) between have a gap 112, and first conductive layer 120 can coverage gap 112.Substrate 110 can be a hard substrate, and it for example is a glass substrate, or substrate 110 can be a soft substrate plate, and it for example is a plastic base.Generally speaking, can transmit through substrate 110 in order to make light, substrate 110 normally adopts transparent material.Yet the utility model is not limited thereto.If organic LED structure 100 be designed to the single face light emitting-type, also can adopt the substrate of nontransparent material.
For convenience of description, below only be elaborated with an organic LED structure 100.
Specifically, first conductive layer 120 is disposed on the base board unit 110a and has a L shaped opening 122, and wherein L shaped opening 122 exposes part base board unit 110a and first conductive layer 120 is divided into one first conductive area 124 and one second conductive area 126.In the present embodiment, the area of first conductive area 124 is greater than the area of second conductive area 126, and second conductive area 126 is corners that are positioned at base board unit 110a.At this, first conductive layer 120 is as an anode.
Organic luminous layer 130 is disposed on first conductive layer 120, and L shaped opening 122 in cover part and part first conductive area 124.Particularly, the organic luminous layer 130 of present embodiment does not cover second conductive area 126 and exposes a first 127 and a second portion 129 of first conductive area 124, and wherein second conductive area 126 is between first 127 and second portion 129.At this, one of them is suitable for being electrically connected to a positive voltage source V1 at least with second portion 129 for the first of first conductive area 124 that organic luminous layer 130 is exposed 127.In addition, the shape of organic luminous layer 130 for example is a rectangle.
Second conductive layer 140 is disposed on the organic luminous layer 130 and cover part organic luminous layer 130.Particularly, second conductive layer 140 of present embodiment has a protuberance 142, and protuberance 142 cover parts second conductive area 126.The dual-side of second conductive layer, 140 adjacent protuberances 142 exposes part organic luminous layer 130.That is to say that second conductive layer 140 of present embodiment does not cover organic luminous layer 130 fully.In addition, second conductive layer 140, organic luminous layer 130 and the overlapping part of first conductive layer, 120 threes are defined as a light-emitting zone S.As shown in Figure 1, these organic LED structures 100 can constitute an Organic Light Emitting Diode module 10, and this Organic Light Emitting Diode module 10 has four light-emitting zone S.Particularly, second conductive layer 140 herein is as a negative electrode, and second conductive area 126 is not highlighted the zone that portion 142 covered and is suitable for being electrically connected to a negative voltage source V2.
In the present embodiment, one of them is a transparency conducting layer at least for first conductive layer 120 and second conductive layer 140, and the material of first conductive layer 120 and second conductive layer 140 comprises tin indium oxide, aluminium, magnesium or silver.For instance, organic LED structure 100 mainly is to be anode by the first conductive layer 120(), organic luminous layer 130 and the second conductive layer 140(be negative electrode) constitute.If both are respectively a transparency conducting layer and a thin metal layer first conductive layer 120 and second conductive layer 140, so formed organic LED structure 100 is a pair of surface illuminating device.If first conductive layer 120 is a transparency conducting layer, so formed organic LED structure 100 is a bottom-emission type organic LED structure; If second conductive layer 140 is a transparency conducting layer, so formed organic LED structure 100 is the top luminescent organic LED structure.In addition, organic luminous layer 130 can be micromolecule luminous organic material or macromolecule luminous organic material.
Because present embodiment is the connecting point position that changes positive voltage source V1 and negative voltage source V2 by the design of first conductive layer 120, organic material layer 130 and second conductive layer 140, wherein the connecting point position of positive voltage source V1 is the first 127 and the second portion 129 of first conductive area 124 that organic luminous layer 130 exposes, and the connecting point position of negative voltage source V2 is the zone that second conductive area 126 is not covered by the protuberance 142 of second conductive layer 140.This design can make the everywhere of organic luminous layer 130 can both receive stable voltage, and then the voltage drops that can avoid the known far and near difference in path of flowing through to be caused because of electric current, and make and the voltage difference that organic luminous layer 130 is accepted cause the different problem of organic luminous layer 130 luminous efficacy everywhere.In other words, the organic LED structure 100 of present embodiment can make it have the preferable luminous efficacy and the luminous uniformity because of the everywhere all has stable voltage.
In sum, organic LED structure of the present utility model is by the component layer design of (comprising first conductive layer, organic material layer and second conductive layer), changes the connecting point position of positive voltage source and negative voltage source.Thus, this design can make organic LED structure have the preferable luminous uniformity, and can effectively promote its luminous efficiency and brightness.
But above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (9)
1. an organic LED structure is characterized in that: comprise
One base board unit;
One first conductive layer is disposed on the described base board unit and has a L shaped opening, and wherein this L shaped opening exposes the described base board unit of part and this first conductive layer is divided into one first conductive area and one second conductive area;
One organic luminous layer, be disposed on described first conductive layer, and described L shaped opening in cover part and described first conductive area of part, wherein this organic luminous layer does not cover described second conductive area and exposes a first and a second portion of described first conductive area, one of them is electrically connected to a positive voltage source at least for described first and described second portion, and described second conductive area is between described first and described second portion; And
One second conductive layer, be disposed on the described organic luminous layer and the described organic luminous layer in cover part, wherein said second conductive layer has a protuberance, described second conductive area in this protuberance cover part, and this second conductive area is not electrically connected to a negative voltage source by the zone that described protuberance covered, and described second conductive layer, described organic luminous layer and the overlapping part of the described first conductive layer three are defined as a light-emitting zone.
2. organic LED structure according to claim 1 is characterized in that: the area of described first conductive area is greater than the area of described second conductive area.
3. organic LED structure according to claim 1 is characterized in that: described second conductive area is positioned at a corner of described base board unit.
4. organic LED structure according to claim 1 is characterized in that: the dual-side of the adjacent described protuberance of described second conductive layer exposes the described organic luminous layer of part.
5. according to the described organic LED structure of claim 1, it is characterized in that: described organic luminous layer be shaped as rectangle.
6. organic LED structure according to claim 1 is characterized in that: the material of described base board unit comprises glass or plastics.
7. organic LED structure according to claim 1 is characterized in that: one of them is a transparency conducting layer at least for described first conductive layer and described second conductive layer.
8. organic LED structure according to claim 7 is characterized in that: the material of described first conductive layer and described second conductive layer comprises tin indium oxide, aluminium, magnesium or silver.
9. organic LED structure according to claim 1 is characterized in that: the material of described organic luminous layer comprises micromolecule luminous organic material or macromolecule luminous organic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200635158U CN201975426U (en) | 2011-03-11 | 2011-03-11 | Organic LED structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200635158U CN201975426U (en) | 2011-03-11 | 2011-03-11 | Organic LED structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975426U true CN201975426U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200635158U Expired - Fee Related CN201975426U (en) | 2011-03-11 | 2011-03-11 | Organic LED structure |
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| Country | Link |
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| CN (1) | CN201975426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593364A (en) * | 2011-12-07 | 2012-07-18 | 友达光电股份有限公司 | light emitting device |
-
2011
- 2011-03-11 CN CN2011200635158U patent/CN201975426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593364A (en) * | 2011-12-07 | 2012-07-18 | 友达光电股份有限公司 | light emitting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20170311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |