WO2012023795A2 - 유기발광장치 - Google Patents
유기발광장치 Download PDFInfo
- Publication number
- WO2012023795A2 WO2012023795A2 PCT/KR2011/006035 KR2011006035W WO2012023795A2 WO 2012023795 A2 WO2012023795 A2 WO 2012023795A2 KR 2011006035 W KR2011006035 W KR 2011006035W WO 2012023795 A2 WO2012023795 A2 WO 2012023795A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- light emitting
- organic light
- stacked
- emitting device
- Prior art date
Links
- 239000011368 organic material Substances 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 229910014456 Ca-Ag Inorganic materials 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- 239000011133 lead Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 230000005525 hole transport Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 13
- 239000010410 layer Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/816—Multilayers, e.g. transparent multilayers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/818—Reflective anodes, e.g. ITO combined with thick metallic layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/828—Transparent cathodes, e.g. comprising thin metal layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/852—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/82—Interconnections, e.g. terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/84—Parallel electrical configurations of multiple OLEDs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/10—Transparent electrodes, e.g. using graphene
- H10K2102/101—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO]
- H10K2102/102—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO] comprising tin oxides, e.g. fluorine-doped SnO2
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/10—Transparent electrodes, e.g. using graphene
- H10K2102/101—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO]
- H10K2102/103—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO] comprising indium oxides, e.g. ITO
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- the present invention relates to an organic light emitting device including a stacked organic light emitting device, and more particularly, to an organic light emitting device that can be directly driven by an AC power source without a converter for converting alternating current into direct current.
- the organic light emitting device using the organic light emitting phenomenon is applied to various lighting devices due to the advantage that high brightness can be realized at low voltage, and also due to the advantages of low voltage driving, light weight, wide viewing angle and high speed response, Application is active.
- Organic light emitting phenomenon refers to a phenomenon that converts electrical energy into light energy using organic materials. That is, when the organic material layer is positioned between the anode and the cathode, when a voltage is applied between the two electrodes, holes are injected into the organic material and electrons are injected into the cathode. When the injected holes and electrons meet, an exciton is formed, and when the exciton falls back to the ground state, it glows.
- an object of the present invention is to provide an organic light emitting device which can be driven directly by an AC power source without a converter converting AC into DC.
- the present invention a substrate; And a first electrode, at least one intermediate electrode and a second electrode, and an organic material layer disposed between the electrodes, wherein the at least two electrodes which do not neighbor each other among the electrodes are in a common potential.
- At least two electrodes comprising one electrode of the first group that is electrically connected and one electrode of the electrodes that are not electrically connected to the electrodes of the first group, or at least two electrodes that are electrically adjacent to each other without neighboring each other;
- the stacked organic light emitting diodes are disposed on the substrate with a spaced interval therebetween such that the electrodes directly connected to each other are continuously repeated. That is driven by alternating current power control provides an organic light emitting device according to claim.
- an organic light emitting device which can be driven directly by an AC power source without a converter converting AC into DC.
- an organic light emitting device capable of implementing various emission colors is provided.
- FIG 1 and 2 are views showing the driving of the organic light emitting device according to an embodiment of the present invention.
- FIG 3 is an equivalent circuit diagram of an organic light emitting device according to an embodiment of the present invention.
- FIG 4 and 5 are views showing the driving of the organic light emitting device according to another embodiment of the present invention.
- FIG 6 is an equivalent circuit diagram of an organic light emitting device according to another embodiment of the present invention.
- FIG. 7 is a view showing driving of an organic light emitting device according to another embodiment of the present invention.
- FIG 8 is an equivalent circuit diagram of an organic light emitting device according to another embodiment of the present invention.
- An organic light emitting device the substrate; And a first electrode, at least one intermediate electrode, and a second electrode, and an organic material layer disposed between the electrodes, wherein the at least two electrodes which are not adjacent to each other among the electrodes have a common potential.
- At least two electrodes comprising one electrode of the first group that is electrically connected and one electrode of the electrodes that are not electrically connected to the electrodes of the first group, or at least two electrodes that are electrically adjacent to each other without neighboring each other;
- At least two stacked organic light emitting diodes including a second group of electrodes including.
- the upper limit of the number of the stacked organic light emitting diodes is not limited, but may be 17 to 20 when 110V AC power is applied, or 35 to 38 for 220V. But it is not limited to this.
- the stacked organic light emitting diodes may be formed such that the electrode of the first group of the stacked organic light emitting diodes and the electrode of the second group of the stacked organic light emitting diodes are directly connected to each other. It is disposed on the substrate with a spaced interval from each other and is driven by an AC power source.
- FIG. 1 is a view illustrating an organic light emitting device according to an embodiment of the present invention, in which two organic light emitting devices are stacked, and two stacked organic light emitting devices are connected to each other.
- FIG. 2 is a view schematically showing an organic light emitting device according to an embodiment of the present invention, in which two organic light emitting devices are stacked.
- each of the stacked organic light emitting diodes may include a first electrode, a first organic material layer, one intermediate electrode, a second organic material layer, a second electrode, and a connection connecting the first electrode and the second electrode. May comprise an electrode,
- the first group of electrodes of each of the stacked organic light emitting diodes is the first electrode and the second electrode connected by the connection electrode, and the second group of electrodes is the one intermediate electrode,
- Electrodes of the first group of the stacked organic light emitting diodes may be continuously connected in series, and electrodes of the second group may be continuously connected in series, and may be driven by the AC power source.
- connection form of the connection electrode of one of the stacked organic light emitting diodes and the intermediate electrode of the other stacked organic light emitting diode may have a form extending from the central region of the connection electrode to the intermediate electrode.
- the central region means the constant region in the structure in which intermediate electrodes of neighboring organic light emitting diodes extend in a horizontal direction in a predetermined region of the connection electrode extending in a direction perpendicular to the plate surface of the substrate in FIG. 1. It means an area, and is not necessarily limited to the center.
- connection electrode may extend from the first electrode to the second electrode in a direction perpendicular to the plate surface of the substrate.
- first organic material layer and the second organic material layer may be disposed on the same axis or on different axes with respect to an axis perpendicular to the plate surface of the substrate.
- each of the first organic material layer of the stacked organic light emitting devices sequentially emits light
- the second organic material layers of the stacked organic light emitting diodes may sequentially emit light
- the first organic material layers when the alternating current flows in one direction, the first organic material layers emit light in any one of red and blue colors, and the alternating current flows in the opposite direction to the one direction.
- the two organic layers may emit light in the other color of red and blue.
- FIG. 4 is a diagram illustrating an organic light emitting device according to another embodiment of the present invention, in which three organic light emitting devices are stacked, and two stacked organic light emitting devices are connected to each other.
- FIG. 5 is a view schematically showing an organic light emitting device according to another embodiment of the present invention, in which three organic light emitting devices are stacked.
- each of the stacked organic light emitting diodes may include a first electrode, a first organic material layer, a first intermediate electrode, a second organic material layer, a second intermediate electrode, a third organic material layer, a second electrode, and a first electrode. It may include a first connection electrode connecting the second intermediate electrode, and a second connection electrode connecting the first intermediate electrode and the second electrode.
- the electrodes of the first group of the stacked organic light emitting diodes are the first electrode and the second intermediate electrode connected by the first connection electrode, and the electrodes of the second group are connected by the second connection electrode.
- One of the stacked organic light emitting diodes is directly connected to the first connecting electrode forming the first group of electrodes of the stacked organic light emitting diodes, and the second connecting electrode forming the second group of electrodes of the stacked organic light emitting diodes is directly According to the connected form, the electrode of the first group of the stacked organic light emitting diodes of any one of the stacked organic light emitting diodes and the electrode of the first group of the other stacked organic light emitting diodes are continuously connected in series, the stacked type
- the electrodes of the second group of the stacked organic light emitting diodes of the organic light emitting diodes and the electrodes of the second group of the stacked organic light emitting diodes adjacent to each other may be continuously connected in series and driven by the AC power source.
- connection form of the first connection electrode and the second connection electrode may include a first electrode of any one of the stacked organic light emitting diodes and a second electrode of the other stacked organic light emitting diode.
- the second intermediate electrode of any one of the stacked organic light emitting diodes and the first intermediate electrode of the other stacked organic light emitting diode are opposite to each other on a connection section extending in a direction perpendicular to the plate surface of the substrate.
- the first and second connection electrodes branched in a direction may overlap each other.
- the second organic material layers of the stacked OLEDs sequentially emit light, and when the AC current flows in the opposite direction to the one direction, the stack type.
- the first and third organic material layers of the organic light emitting diodes may be sequentially emitted together in order.
- FIG. 7 is a view schematically illustrating an organic light emitting device according to another embodiment of the present invention, in which four organic light emitting devices are stacked.
- each of the stacked organic light emitting diodes includes a first electrode; First organic material layer; A first intermediate electrode; Second organic material layer; A second intermediate electrode; Third organic material layer; A third intermediate electrode; A fourth organic compound layer; Second electrode; A first connection electrode connecting the first electrode, the second intermediate electrode, and the second electrode; And a second connection electrode connecting the first intermediate electrode and the third intermediate electrode.
- the electrode of the first group of each of the stacked organic light emitting diodes is the first electrode, the second intermediate electrode, and the second electrode connected by the first connection electrode, and the electrode of the second group is the second electrode.
- the first intermediate electrode and the third intermediate electrode connected by a connecting electrode;
- One of the stacked organic light emitting diodes is directly connected to the first connecting electrode forming the first group of electrodes of the stacked organic light emitting diodes, and the second connecting electrode forming the second group of electrodes of the stacked organic light emitting diodes is directly According to the connected form, the electrode of the first group of the stacked organic light emitting diodes of any one of the stacked organic light emitting diodes and the electrode of the first group of the other stacked organic light emitting diodes are continuously connected in series, the stacked type
- the electrodes of the second group of the stacked organic light emitting diodes of the organic light emitting diodes and the electrodes of the second group of the stacked organic light emitting diodes adjacent to each other may be continuously connected in series and driven by the AC power source.
- connection form of the first connection electrode and the second connection electrode may include a first electrode of any one of the stacked organic light emitting diodes and a second electrode of the other stacked organic light emitting diode.
- the first and second connection electrodes branched in opposite directions may overlap each other.
- the second and fourth organic material layers of the stacked OLEDs sequentially emit light, and the AC current flows in the opposite direction of the one direction.
- the first and third organic material layers of the stacked organic light emitting diodes may sequentially emit light.
- the substrate may be a glass substrate or a plastic substrate.
- the substrate when it is a plastic substrate, it may be a rigid plastic substrate, or may be a flexible plastic substrate.
- One of the first electrode and the second electrode may be formed of at least one selected from indium tin oxide (ITO), indium zinc oxide (IZO), and zinc oxide (ZnO). have.
- ITO indium tin oxide
- IZO indium zinc oxide
- ZnO zinc oxide
- the other of the first electrode and the second electrode may be formed of a metal such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead or an alloy thereof. have. It may also be formed of a multilayer structure material such as LiF / Al or LiO 2 / Al.
- the first electrode may be a cathode formed of LiF / Al
- the second electrode may be an anode formed of transparent indium tin oxide (ITO).
- the first organic material layer and the second organic material layer may each include a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer.
- the intermediate electrode may be in the form of stacked conductive layers, or may be in the form of a single conductive layer.
- the work function is formed of a transparent material having a value similar to the work function of a commonly used cathode material and having a visible light transmittance of 50% or more.
- the thickness of the intermediate electrode is preferably thin enough to be transparent.
- the material of the connecting electrode may be the same as or different from the material of the electrode to be connected.
- the intermediate electrode and the connecting electrode are each independently calcium, magnesium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, lead or alloys thereof, LiF / Al, LiO 2 / Al, Ca-Ag, ITO, IZO, Ca-ITO, Ca-IZO, Ag-ITO, Ag-IZO, ZnO and Ma-Ag may be formed of one or more selected.
- the intermediate electrode may be formed using calcium or magnesium having a low work function, and selected from calcium, magnesium, Ca-Ag, Ca-ITO, Ca-IZO, Ag-IZO, Ag-ITO, or Ma-Ag. It is preferable to form more than a species.
- an organic light emitting device capable of directly driving an organic light emitting device with an AC power source without a converter for converting alternating current into direct current and implementing various emission colors can be provided.
- the electronic device includes, but is not limited to, an organic EL panel, an illumination device, and the like including the organic light emitting device according to the present application.
- FIGS. 1 to 3 For convenience, only an organic light emitting device having a form in which two organic light emitting devices are stacked will be described, and a description of the stacked structure of a greater number will be omitted.
- An organic light emitting device as shown in Figure 1, the substrate; And stacked organic light emitting diodes provided on the substrate.
- Each of the stacked organic light emitting diodes may have a two-layer structure as shown in FIGS. 1 to 3, and neighboring stacked organic light emitting diodes are electrically connected in series with each other.
- the stacked organic light emitting diode positioned on the right side will be referred to as the first stacked organic light emitting diode
- the stacked organic light emitting diode positioned on the left side will be referred to as the second stacked organic light emitting diode.
- Each of the stacked organic light emitting diodes may include a first electrode, a first organic material layer, an intermediate electrode, a second organic material layer, a second electrode, and a connection electrode connecting the first electrode and the second electrode in a vertical direction. Include.
- the first electrode of the first stacked organic light emitting diode and the first electrode of the second stacked organic light emitting diode are spaced apart from each other, the second electrode of the first stacked organic light emitting diode and the second of the second stacked organic light emitting diode The electrodes are spaced apart from each other.
- the intermediate electrode of the second stacked organic light emitting diode is connected to the connection electrode of the first stacked organic light emitting diode.
- the emission color of the first organic material layer of each stacked organic light emitting diode may be red, and the emission color of the second organic material layer of each stacked organic light emitting diode may be blue, but is not limited thereto.
- the intermediate electrode of the first stacked organic light emitting diode ⁇ the second organic material layer of the first stacked organic light emitting diode ⁇ the second electrode of the first stacked organic light emitting diode ⁇ the first stacked organic light
- the first stacked organic light Upper section of the connecting electrode of the light emitting device ⁇
- Intermediate electrode of the second stacked organic light emitting device ⁇
- Second organic material layer of the second stacked organic light emitting device ⁇
- Second electrode of the second stacked organic light emitting device Connecting electrode of the second stacked organic light emitting device ⁇ an alternating current flows in the order of the first electrode
- light of a blue color may be emitted from the second organic material layer of the first stacked organic light emitting device to the second organic material layer of the second stacked organic light emitting device.
- blue light may be emitted from the second organic material layer of the organic light emitting device according to the present invention.
- light of a red color may be emitted from the first organic material layer of the second stacked organic light emitting device to the first organic material layer of the first stacked organic light emitting device.
- red color light may be emitted from the first organic material layer of the organic light emitting device according to the present invention.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (18)
- 기판; 및제1 전극, 적어도 하나의 중간전극 및 제2 전극과, 상기 전극들 사이에 배치된 유기물층을 포함하는 적층형 유기발광소자로서, 상기 전극들 중 서로 이웃하지 않는 적어도 2개의 전극들이 공통전위가 되도록 전기적으로 연결된 제1 군의 전극들, 및 상기 제1 군의 전극들에 전기적으로 연결되지 않은 전극들 중 1개의 전극을 포함하거나 또는 서로 이웃하지 않고 공통전위가 되도록 전기적으로 연결된 적어도 2개의 전극들을 포함하는 제2 군의 전극들을 포함하는 적층형 유기발광소자를 2 이상 포함하며,상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극과 다른 한 적층형 유기발광소자의 제2 군의 전극이 직접 연결된 형태가 연속적으로 반복되게, 상기 적층형 유기발광소자들이 서로 이격간격을 두고 상기 기판 상에 배치되어 교류전원으로 구동되는 것을 특징으로 하는 유기발광장치.
- 청구항 1에 있어서, 상기 각 적층형 유기발광소자는, 제1 전극, 제1 유기물층, 하나의 중간전극, 제2 유기물층, 제2 전극, 및 제1 전극과 제2 전극을 연결하는 연결전극을 포함하며,상기 각 적층형 유기발광소자의 제1 군의 전극은 상기 연결전극에 의해 연결된 상기 제1 전극 및 상기 제2 전극이고, 제2 군의 전극은 상기 하나의 중간전극이며,상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극을 형성하는 상기 연결전극과 다른 한 적층형 유기발광소자의 제2 군의 전극인 중간전극이 직접 연결된 형태를 가짐에 따라, 상기 적층형 유기발광소자들의 제1 군의 전극들이 연속적으로 직렬 연결되고, 제2 군의 전극들이 연속적으로 직렬 연결되어, 상기 교류전원에 의해 구동되는 것을 특징으로 하는 유기발광장치.
- 청구항 2에 있어서, 상기 어느 한 적층형 유기발광소자의 연결전극과 상기 다른 한 적층형 유기발광소자의 중간전극의 연결형태는, 상기 연결전극의 중앙영역에서 상기 중간전극까지 연장된 형태를 갖는 것을 특징으로 하는 유기발광장치.
- 청구항 2에 있어서, 상기 연결전극은, 상기 기판의 판면에 대해 수직한 방향으로 상기 제1 전극에서 상기 제2 전극까지 연장형성되어 있는 것을 특징으로 하는 유기발광장치.
- 청구항 2에 있어서, 상기 제1 유기물층과 상기 제2 유기물층은 상기 기판의 판면에 대해 수직한 축선에 대해 동일 축선 상 또는 서로 다른 축선 상에 배치되어 있는 것을 특징으로 하는 유기발광장치.
- 청구항 2에 있어서, 상기 교류전원 공급 시, 어느 한 방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 각 제1 유기물층이 순서대로 연속 발광되며, 상기 어느 한 방향의 반대방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 각 제2 유기물층이 순서대로 연속 발광되는 것을 특징으로 하는 유기발광장치.
- 청구항 1에 있어서, 상기 각 적층형 유기발광소자는, 제1 전극, 제1 유기물층, 제1 중간전극, 제2 유기물층, 제2 중간전극, 제3 유기물층, 제2 전극, 제1 전극과 제2 중간전극을 연결하는 제1 연결전극, 및 제1 중간전극과 제2 전극을 연결하는 제2 연결전극을 포함하며,상기 각 적층형 유기발광소자의 제1 군의 전극은 상기 제1 연결전극에 의해 연결된 상기 제1 전극과 상기 제2 중간전극이고, 제2 군의 전극은 상기 제2 연결전극에 의해 연결된 상기 제1 중간전극과 상기 제2 전극이며,상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극을 형성하는 상기 제1 연결전극과 다른 한 적층형 유기발광소자의 제2 군의 전극을 형성하는 상기 제2 연결전극이 직접 연결된 형태를 가짐에 따라, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극 및 이웃한 다른 한 적층형 유기발광소자의 제1 군의 전극은 연속적으로 직렬 연결되고, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제2 군의 전극 및 이웃한 다른 한 적층형 유기발광소자의 제2 군의 전극은 연속적으로 직렬 연결되어, 상기 교류전원에 의해 구동되는 것을 특징으로 하는 유기발광장치.
- 청구항 7에 있어서, 상기 제1 연결전극과 상기 제2 연결전극의 연결형태는, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 전극 및 이웃한 다른 한 적층형 유기발광소자의 제2 전극을 상기 기판의 판면에 대해 수직한 방향으로 잇는 연결구간 상에서 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제2 중간전극 및 이웃한 다른 한 적층형 유기발광소자의 제1 중간전극이 서로 반대 방향으로 분기된, 상기 제1 및 제2 연결전극이 중첩된 형태인 것을 특징으로 하는 유기발광장치.
- 청구항 7에 있어서, 상기 교류전원 공급 시, 어느 한 방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 제2 유기물층이 순서대로 연속 발광되며, 상기 어느 한 방향에 반대방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 제1 및 제3 유기물층이 함께 순서대로 연속 발광되는 것을 특징으로 하는 유기발광장치.
- 청구항 1에 있어서, 상기 각 적층형 유기발광소자는, 제1 전극; 제1 유기물층; 제1 중간전극; 제2 유기물층; 제2 중간전극; 제3 유기물층; 제3 중간전극; 제4 유기물층; 제2 전극; 제1 전극, 제2 중간전극, 및 제2 전극을 연결하는 제1 연결전극; 및 제1 중간전극과 제3 중간전극을 연결하는 제2 연결전극을 포함하며,상기 각 적층형 유기발광소자의 제1 군의 전극은 상기 제1 연결전극에 의해 연결된 상기 제1 전극, 상기 제2 중간전극, 및 상기 제2 전극이고, 제2 군의 전극은 상기 제2 연결전극에 의해 연결된 상기 제1 중간전극과 상기 제3 중간전극이며,상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극을 형성하는 상기 제1 연결전극과 다른 한 적층형 유기발광소자의 제2 군의 전극을 형성하는 상기 제2 연결전극이 직접 연결된 형태를 가짐에 따라, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 군의 전극 및 이웃한 다른 한 적층형 유기발광소자의 제1 군의 전극은 연속적으로 직렬 연결되고, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제2 군의 전극 및 이웃한 다른 한 적층형 유기발광소자의 제2 군의 전극은 연속적으로 직렬 연결되어, 상기 교류전원에 의해 구동되는 것을 특징으로 하는 유기발광장치.
- 청구항 10에 있어서, 상기 제1 연결전극과 상기 제2 연결전극의 연결 형태는, 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제1 전극 및 이웃한 다른 한 적층형 유기발광소자의 제2 전극을 상기 기판의 판면에 대해 수직한 방향으로 잇는 연결구간 상에서 상기 적층형 유기발광소자들 중 어느 한 적층형 유기발광소자의 제2 중간전극 및 이웃한 다른 한 적층형 유기발광소자의 제1 및 제3 중간전극이 서로 반대 방향으로 분기된, 상기 제1 및 제2 연결전극이 중첩된 형태인 것을 특징으로 하는 유기발광장치.
- 청구항 10에 있어서, 상기 교류전원 공급 시, 어느 한 방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 제2 및 제4 유기물층이 순서대로 연속 발광되며, 상기 어느 한 방향의 반대 방향으로 교류전류가 흐르는 경우 상기 적층형 유기발광소자들의 제1 및 제3 유기물층이 순서대로 연속 발광되는 것을 특징으로 하는 유기발광장치.
- 청구항 1 내지 청구항 12 중 어느 한 항에 있어서, 상기 제1 전극 및 상기 제2 전극 중 어느 하나는 인듐주석산화물 (ITO:Indium Tin Oxide), 인듐아연산화물 (IZO: Indium Zinc Oxide) 및 아연 산화물 (ZnO) 중 선택된 1종 이상으로 형성되고, 다른 하나는 마그네슘, 칼슘, 나트륨, 칼륨, 타이타늄, 인듐, 이트륨, 리튬, 가돌리늄, 알루미늄, 은, 주석 및 납과 같은 금속 또는 이들의 합금으로 형성된 것을 특징으로 하는 유기발광장치.
- 청구항 1 내지 청구항 12 중 어느 한 항에 있어서, 상기 제1 전극 및 상기 제2 전극 중 어느 하나는 인듐주석산화물 (ITO:Indium Tin Oxide), 인듐아연산화물 (IZO: Indium Zinc Oxide) 및 아연 산화물 (ZnO) 중 선택된 1종 이상으로 형성되고, 다른 하나는 LiF/Al 또는 LiO2/Al로 형성된 것을 특징으로 하는 유기발광장치.
- 청구항 1 내지 청구항 12 중 어느 한 항에 있어서, 상기 유기물층은 전자수송층, 발광층, 정공수송층, 및 정공주입층을 포함하는 것을 특징으로 하는 유기발광장치.
- 청구항 1 내지 청구항 12 중 어느 한 항에 있어서, 상기 기판은 유리 기판 또는 플라스틱 기판인 것을 특징으로 하는 유기발광장치.
- 청구항 2 내지 청구항 12 중 어느 한 항에 있어서, 상기 중간전극 및 상기 연결전극은 각각 독립적으로 칼슘, 마그네슘, 나트륨, 칼륨, 타이타늄, 인듐, 이트륨, 리튬, 가돌리늄, 알루미늄, 은, 주석, 납 또는 이들의 합금, LiF/Al, LiO2/Al, Ca-Ag, ITO, IZO, Ca-ITO, Ca-IZO, Ag-ITO, Ag-IZO, ZnO 및 Ma-Ag 중 선택된 1종 이상으로 형성된 것을 특징으로 하는 유기발광장치.
- 청구항 2 내지 청구항 12 중 어느 한 항에 있어서, 상기 연결전극 및 상기 중간전극은 각각 독립적으로 칼슘, 마그네슘, Ca-Ag, Ca-ITO, Ca-IZO, Ag-IZO, Ag-ITO 및 Ma-Ag 중 선택된 1종 이상으로 형성된 것을 특징으로 하는 유기발광장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180050005.XA CN103168374B (zh) | 2010-08-17 | 2011-08-17 | 有机发光器件 |
JP2013525814A JP5635699B2 (ja) | 2010-08-17 | 2011-08-17 | 有機発光装置 |
US13/817,773 US8994011B2 (en) | 2010-08-17 | 2011-08-17 | Organic light-emitting device |
US14/611,576 US9583541B2 (en) | 2010-08-17 | 2015-02-02 | Organic light-emitting device |
US14/612,942 US9269750B2 (en) | 2010-08-17 | 2015-02-03 | Organic light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0079108 | 2010-08-17 | ||
KR20100079108 | 2010-08-17 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/817,773 A-371-Of-International US8994011B2 (en) | 2010-08-17 | 2011-08-17 | Organic light-emitting device |
US14/611,576 Division US9583541B2 (en) | 2010-08-17 | 2015-02-02 | Organic light-emitting device |
US14/612,942 Division US9269750B2 (en) | 2010-08-17 | 2015-02-03 | Organic light-emitting device |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012023795A2 true WO2012023795A2 (ko) | 2012-02-23 |
WO2012023795A3 WO2012023795A3 (ko) | 2012-04-19 |
Family
ID=45605554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/006035 WO2012023795A2 (ko) | 2010-08-17 | 2011-08-17 | 유기발광장치 |
Country Status (5)
Country | Link |
---|---|
US (3) | US8994011B2 (ko) |
JP (1) | JP5635699B2 (ko) |
KR (2) | KR101403781B1 (ko) |
CN (1) | CN103168374B (ko) |
WO (1) | WO2012023795A2 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101512218B1 (ko) * | 2012-05-25 | 2015-04-14 | 주식회사 엘지화학 | 유기 발광 소자 |
CN103996792B (zh) * | 2014-04-30 | 2016-04-27 | 京东方科技集团股份有限公司 | 有机发光器件及制造方法和有机发光显示装置及驱动方法 |
CN104218068A (zh) * | 2014-08-20 | 2014-12-17 | 京东方科技集团股份有限公司 | 一种发光结构、显示装置和光源装置 |
CN106972108A (zh) * | 2017-02-22 | 2017-07-21 | 武汉华美晨曦光电有限责任公司 | 一种交流电源驱动的oled面发光器件 |
CN107134256A (zh) * | 2017-05-03 | 2017-09-05 | 京东方科技集团股份有限公司 | 显示面板及其驱动方法、显示装置 |
CN107170779A (zh) * | 2017-05-12 | 2017-09-15 | 京东方科技集团股份有限公司 | 一种oled显示基板及显示装置 |
CN107910454A (zh) * | 2017-11-03 | 2018-04-13 | 武汉华星光电半导体显示技术有限公司 | 一种oled显示面板及其制造方法 |
US10892297B2 (en) * | 2017-11-27 | 2021-01-12 | Seoul Viosys Co., Ltd. | Light emitting diode (LED) stack for a display |
KR102075023B1 (ko) * | 2018-03-02 | 2020-02-07 | 이민우 | 발광 소자, 발광 소자를 포함하는 조명 장치 및 디스플레이 장치 |
CN110391280A (zh) * | 2019-07-17 | 2019-10-29 | 深圳市华星光电半导体显示技术有限公司 | 一种电致发光的显示和照明装置及其制备方法 |
CN110808338A (zh) * | 2019-10-10 | 2020-02-18 | 复旦大学 | 一种双面出光的串联式量子点器件 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004095546A (ja) * | 2002-08-09 | 2004-03-25 | Semiconductor Energy Lab Co Ltd | 有機エレクトロルミネッセント素子 |
JP2005038640A (ja) * | 2003-07-16 | 2005-02-10 | Rohm Co Ltd | 有機エレクトロルミネセンス素子 |
KR20060042177A (ko) * | 2004-03-01 | 2006-05-12 | 가부시끼가이샤 아이메스 | 유기전계발광소자 |
KR20070063977A (ko) * | 2005-12-16 | 2007-06-20 | 서울옵토디바이스주식회사 | 다수의 발광 셀이 어레이된 발광 소자 |
JP2009164070A (ja) * | 2008-01-10 | 2009-07-23 | Rohm Co Ltd | 有機el素子およびこれを用いた有機el発光装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63289792A (ja) * | 1987-05-21 | 1988-11-28 | Yokogawa Electric Corp | El表示装置 |
JP2000075836A (ja) | 1998-09-02 | 2000-03-14 | Sharp Corp | 有機el発光装置とその駆動方法 |
JP2004063079A (ja) * | 2002-07-24 | 2004-02-26 | Seiko Precision Inc | El素子 |
US7034470B2 (en) | 2002-08-07 | 2006-04-25 | Eastman Kodak Company | Serially connecting OLED devices for area illumination |
TWI272874B (en) * | 2002-08-09 | 2007-02-01 | Semiconductor Energy Lab | Organic electroluminescent device |
US7045954B2 (en) * | 2003-06-17 | 2006-05-16 | City University Of Hong Kong | Organic light-emitting device with reduction of ambient-light-reflection by disposing a multilayer structure over a semi-transparent cathode |
JP2005174639A (ja) * | 2003-12-09 | 2005-06-30 | Seiko Epson Corp | 有機el装置、および電子機器 |
US20060006792A1 (en) * | 2004-07-09 | 2006-01-12 | Eastman Kodak Company | Flat panel light emitting devices with two sided |
CN101371619B (zh) * | 2006-01-18 | 2013-11-13 | Lg化学株式会社 | 具有堆叠式有机发光单元的oled |
JP4603022B2 (ja) | 2007-08-02 | 2010-12-22 | 株式会社スクウェア・エニックス | 暗号化データ作成装置、および暗号化データ作成プログラム |
JP5460107B2 (ja) * | 2008-06-20 | 2014-04-02 | キヤノン株式会社 | 積層型有機発光素子およびそれを有する画像表示装置またはデジタルカメラ |
JP2010010041A (ja) * | 2008-06-30 | 2010-01-14 | Canon Inc | 有機el表示装置の製造方法 |
KR20110045569A (ko) * | 2009-10-27 | 2011-05-04 | 한국전자통신연구원 | 적층형 유기 전기 발광 소자 |
-
2011
- 2011-08-17 CN CN201180050005.XA patent/CN103168374B/zh active Active
- 2011-08-17 WO PCT/KR2011/006035 patent/WO2012023795A2/ko active Application Filing
- 2011-08-17 KR KR1020110081618A patent/KR101403781B1/ko active IP Right Grant
- 2011-08-17 JP JP2013525814A patent/JP5635699B2/ja active Active
- 2011-08-17 US US13/817,773 patent/US8994011B2/en active Active
-
2014
- 2014-02-13 KR KR20140016850A patent/KR101512265B1/ko active IP Right Grant
-
2015
- 2015-02-02 US US14/611,576 patent/US9583541B2/en active Active
- 2015-02-03 US US14/612,942 patent/US9269750B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004095546A (ja) * | 2002-08-09 | 2004-03-25 | Semiconductor Energy Lab Co Ltd | 有機エレクトロルミネッセント素子 |
JP2005038640A (ja) * | 2003-07-16 | 2005-02-10 | Rohm Co Ltd | 有機エレクトロルミネセンス素子 |
KR20060042177A (ko) * | 2004-03-01 | 2006-05-12 | 가부시끼가이샤 아이메스 | 유기전계발광소자 |
KR20070063977A (ko) * | 2005-12-16 | 2007-06-20 | 서울옵토디바이스주식회사 | 다수의 발광 셀이 어레이된 발광 소자 |
JP2009164070A (ja) * | 2008-01-10 | 2009-07-23 | Rohm Co Ltd | 有機el素子およびこれを用いた有機el発光装置 |
Also Published As
Publication number | Publication date |
---|---|
US9269750B2 (en) | 2016-02-23 |
US8994011B2 (en) | 2015-03-31 |
US20150155337A1 (en) | 2015-06-04 |
WO2012023795A3 (ko) | 2012-04-19 |
KR101512265B1 (ko) | 2015-04-14 |
JP5635699B2 (ja) | 2014-12-03 |
US9583541B2 (en) | 2017-02-28 |
CN103168374B (zh) | 2016-01-06 |
US20150144935A1 (en) | 2015-05-28 |
KR101403781B1 (ko) | 2014-06-03 |
KR20120017008A (ko) | 2012-02-27 |
US20130153879A1 (en) | 2013-06-20 |
CN103168374A (zh) | 2013-06-19 |
JP2013535803A (ja) | 2013-09-12 |
KR20140024453A (ko) | 2014-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012023795A2 (ko) | 유기발광장치 | |
WO2012005540A2 (ko) | 유기 발광 소자 및 이의 제조방법 | |
CN104576958B (zh) | 有机发光装置 | |
CN1615059A (zh) | 全彩电致发光显示器 | |
WO2017111223A1 (en) | Organic light emitting display apparatus | |
WO2019024192A1 (zh) | 一种有机电致发光器件和显示面板 | |
CN104319355B (zh) | 一种发光器件及其驱动控制方法、灯具 | |
US10760747B2 (en) | Lighting apparatus | |
WO2013125436A1 (ja) | 有機el装置及び有機el装置の製造方法 | |
CN101599239A (zh) | 一种led显示装置和led显示屏箱体 | |
WO2012169854A2 (ko) | 유기발광소자 및 이를 포함하는 발광장치 | |
US9853239B2 (en) | Surface light-emitting unit | |
WO2016010172A1 (ko) | 광추출 효율이 향상된 유기발광소자 | |
WO2011068276A1 (ko) | 조명 패널 지지 구조 및 조명 장치 | |
CN110391280A (zh) | 一种电致发光的显示和照明装置及其制备方法 | |
WO2011046262A1 (ko) | 발광 소자, 이를 구비하는 표시 장치 및 조명 유닛 | |
CN217822799U (zh) | 显示屏及显示装置 | |
KR101512218B1 (ko) | 유기 발광 소자 | |
WO2016111535A1 (ko) | 탠덤형 유기발광소자 | |
WO2014116008A1 (en) | Organic electroluminescent device and display device including the same | |
KR101788974B1 (ko) | 디스플레이 패널을 이용한 에너지 수집 장치 | |
CN201466030U (zh) | 有机发光器件 | |
WO2014209059A1 (ko) | 엘이디 모듈 | |
CN104080219A (zh) | Oled灯具 | |
KR101325531B1 (ko) | 오엘이디 모듈 및 그의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11818395 Country of ref document: EP Kind code of ref document: A2 |
|
ENP | Entry into the national phase |
Ref document number: 2013525814 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13817773 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11818395 Country of ref document: EP Kind code of ref document: A2 |